PackageManagerService.java revision 0b69970e36dece05302b60a685a9bb0aa6546ed3
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 46import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 47import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 66import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 67import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 68import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 69import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 70import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 71import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 72import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 73import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 74import static android.content.pm.PackageManager.PERMISSION_DENIED; 75import static android.content.pm.PackageManager.PERMISSION_GRANTED; 76import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 77import static android.content.pm.PackageParser.isApkFile; 78import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 79import static android.system.OsConstants.O_CREAT; 80import static android.system.OsConstants.O_RDWR; 81 82import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 84import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 85import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 86import static com.android.internal.util.ArrayUtils.appendInt; 87import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 88import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 89import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 91import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 92import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 93import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.ResourcesManager; 107import android.app.admin.IDevicePolicyManager; 108import android.app.admin.SecurityLog; 109import android.app.backup.IBackupManager; 110import android.content.BroadcastReceiver; 111import android.content.ComponentName; 112import android.content.Context; 113import android.content.IIntentReceiver; 114import android.content.Intent; 115import android.content.IntentFilter; 116import android.content.IntentSender; 117import android.content.IntentSender.SendIntentException; 118import android.content.ServiceConnection; 119import android.content.pm.ActivityInfo; 120import android.content.pm.ApplicationInfo; 121import android.content.pm.AppsQueryHelper; 122import android.content.pm.ComponentInfo; 123import android.content.pm.EphemeralApplicationInfo; 124import android.content.pm.EphemeralResolveInfo; 125import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 126import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 127import android.content.pm.FeatureInfo; 128import android.content.pm.IOnPermissionsChangeListener; 129import android.content.pm.IPackageDataObserver; 130import android.content.pm.IPackageDeleteObserver; 131import android.content.pm.IPackageDeleteObserver2; 132import android.content.pm.IPackageInstallObserver2; 133import android.content.pm.IPackageInstaller; 134import android.content.pm.IPackageManager; 135import android.content.pm.IPackageMoveObserver; 136import android.content.pm.IPackageStatsObserver; 137import android.content.pm.InstrumentationInfo; 138import android.content.pm.IntentFilterVerificationInfo; 139import android.content.pm.KeySet; 140import android.content.pm.PackageCleanItem; 141import android.content.pm.PackageInfo; 142import android.content.pm.PackageInfoLite; 143import android.content.pm.PackageInstaller; 144import android.content.pm.PackageManager; 145import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 146import android.content.pm.PackageManagerInternal; 147import android.content.pm.PackageParser; 148import android.content.pm.PackageParser.ActivityIntentInfo; 149import android.content.pm.PackageParser.PackageLite; 150import android.content.pm.PackageParser.PackageParserException; 151import android.content.pm.PackageStats; 152import android.content.pm.PackageUserState; 153import android.content.pm.ParceledListSlice; 154import android.content.pm.PermissionGroupInfo; 155import android.content.pm.PermissionInfo; 156import android.content.pm.ProviderInfo; 157import android.content.pm.ResolveInfo; 158import android.content.pm.ServiceInfo; 159import android.content.pm.Signature; 160import android.content.pm.UserInfo; 161import android.content.pm.VerifierDeviceIdentity; 162import android.content.pm.VerifierInfo; 163import android.content.res.Resources; 164import android.graphics.Bitmap; 165import android.hardware.display.DisplayManager; 166import android.net.Uri; 167import android.os.Binder; 168import android.os.Build; 169import android.os.Bundle; 170import android.os.Debug; 171import android.os.Environment; 172import android.os.Environment.UserEnvironment; 173import android.os.FileUtils; 174import android.os.Handler; 175import android.os.IBinder; 176import android.os.Looper; 177import android.os.Message; 178import android.os.Parcel; 179import android.os.ParcelFileDescriptor; 180import android.os.PatternMatcher; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.UserManagerInternal; 193import android.os.storage.IMountService; 194import android.os.storage.MountServiceInternal; 195import android.os.storage.StorageEventListener; 196import android.os.storage.StorageManager; 197import android.os.storage.VolumeInfo; 198import android.os.storage.VolumeRecord; 199import android.provider.Settings.Global; 200import android.provider.Settings.Secure; 201import android.security.KeyStore; 202import android.security.SystemKeyStore; 203import android.system.ErrnoException; 204import android.system.Os; 205import android.text.TextUtils; 206import android.text.format.DateUtils; 207import android.util.ArrayMap; 208import android.util.ArraySet; 209import android.util.DisplayMetrics; 210import android.util.EventLog; 211import android.util.ExceptionUtils; 212import android.util.Log; 213import android.util.LogPrinter; 214import android.util.MathUtils; 215import android.util.PrintStreamPrinter; 216import android.util.Slog; 217import android.util.SparseArray; 218import android.util.SparseBooleanArray; 219import android.util.SparseIntArray; 220import android.util.Xml; 221import android.util.jar.StrictJarFile; 222import android.view.Display; 223 224import com.android.internal.R; 225import com.android.internal.annotations.GuardedBy; 226import com.android.internal.app.IMediaContainerService; 227import com.android.internal.app.ResolverActivity; 228import com.android.internal.content.NativeLibraryHelper; 229import com.android.internal.content.PackageHelper; 230import com.android.internal.logging.MetricsLogger; 231import com.android.internal.os.IParcelFileDescriptorFactory; 232import com.android.internal.os.InstallerConnection.InstallerException; 233import com.android.internal.os.SomeArgs; 234import com.android.internal.os.Zygote; 235import com.android.internal.telephony.CarrierAppUtils; 236import com.android.internal.util.ArrayUtils; 237import com.android.internal.util.FastPrintWriter; 238import com.android.internal.util.FastXmlSerializer; 239import com.android.internal.util.IndentingPrintWriter; 240import com.android.internal.util.Preconditions; 241import com.android.internal.util.XmlUtils; 242import com.android.server.AttributeCache; 243import com.android.server.EventLogTags; 244import com.android.server.FgThread; 245import com.android.server.IntentResolver; 246import com.android.server.LocalServices; 247import com.android.server.ServiceThread; 248import com.android.server.SystemConfig; 249import com.android.server.Watchdog; 250import com.android.server.net.NetworkPolicyManagerInternal; 251import com.android.server.pm.PermissionsState.PermissionState; 252import com.android.server.pm.Settings.DatabaseVersion; 253import com.android.server.pm.Settings.VersionInfo; 254import com.android.server.storage.DeviceStorageMonitorInternal; 255 256import dalvik.system.CloseGuard; 257import dalvik.system.DexFile; 258import dalvik.system.VMRuntime; 259 260import libcore.io.IoUtils; 261import libcore.util.EmptyArray; 262 263import org.xmlpull.v1.XmlPullParser; 264import org.xmlpull.v1.XmlPullParserException; 265import org.xmlpull.v1.XmlSerializer; 266 267import java.io.BufferedOutputStream; 268import java.io.BufferedReader; 269import java.io.ByteArrayInputStream; 270import java.io.ByteArrayOutputStream; 271import java.io.File; 272import java.io.FileDescriptor; 273import java.io.FileInputStream; 274import java.io.FileNotFoundException; 275import java.io.FileOutputStream; 276import java.io.FileReader; 277import java.io.FilenameFilter; 278import java.io.IOException; 279import java.io.PrintWriter; 280import java.nio.charset.StandardCharsets; 281import java.security.DigestInputStream; 282import java.security.MessageDigest; 283import java.security.NoSuchAlgorithmException; 284import java.security.PublicKey; 285import java.security.cert.Certificate; 286import java.security.cert.CertificateEncodingException; 287import java.security.cert.CertificateException; 288import java.text.SimpleDateFormat; 289import java.util.ArrayList; 290import java.util.Arrays; 291import java.util.Collection; 292import java.util.Collections; 293import java.util.Comparator; 294import java.util.Date; 295import java.util.HashSet; 296import java.util.Iterator; 297import java.util.List; 298import java.util.Map; 299import java.util.Objects; 300import java.util.Set; 301import java.util.concurrent.CountDownLatch; 302import java.util.concurrent.TimeUnit; 303import java.util.concurrent.atomic.AtomicBoolean; 304import java.util.concurrent.atomic.AtomicInteger; 305 306/** 307 * Keep track of all those APKs everywhere. 308 * <p> 309 * Internally there are two important locks: 310 * <ul> 311 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 312 * and other related state. It is a fine-grained lock that should only be held 313 * momentarily, as it's one of the most contended locks in the system. 314 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 315 * operations typically involve heavy lifting of application data on disk. Since 316 * {@code installd} is single-threaded, and it's operations can often be slow, 317 * this lock should never be acquired while already holding {@link #mPackages}. 318 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 319 * holding {@link #mInstallLock}. 320 * </ul> 321 * Many internal methods rely on the caller to hold the appropriate locks, and 322 * this contract is expressed through method name suffixes: 323 * <ul> 324 * <li>fooLI(): the caller must hold {@link #mInstallLock} 325 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 326 * being modified must be frozen 327 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 328 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 329 * </ul> 330 * <p> 331 * Because this class is very central to the platform's security; please run all 332 * CTS and unit tests whenever making modifications: 333 * 334 * <pre> 335 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 336 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 337 * </pre> 338 */ 339public class PackageManagerService extends IPackageManager.Stub { 340 static final String TAG = "PackageManager"; 341 static final boolean DEBUG_SETTINGS = false; 342 static final boolean DEBUG_PREFERRED = false; 343 static final boolean DEBUG_UPGRADE = false; 344 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 345 private static final boolean DEBUG_BACKUP = false; 346 private static final boolean DEBUG_INSTALL = false; 347 private static final boolean DEBUG_REMOVE = false; 348 private static final boolean DEBUG_BROADCASTS = false; 349 private static final boolean DEBUG_SHOW_INFO = false; 350 private static final boolean DEBUG_PACKAGE_INFO = false; 351 private static final boolean DEBUG_INTENT_MATCHING = false; 352 private static final boolean DEBUG_PACKAGE_SCANNING = false; 353 private static final boolean DEBUG_VERIFY = false; 354 private static final boolean DEBUG_FILTERS = false; 355 356 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 357 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 358 // user, but by default initialize to this. 359 static final boolean DEBUG_DEXOPT = false; 360 361 private static final boolean DEBUG_ABI_SELECTION = false; 362 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 363 private static final boolean DEBUG_TRIAGED_MISSING = false; 364 private static final boolean DEBUG_APP_DATA = false; 365 366 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 367 368 // STOPSHIP; b/30256615 369 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 370 371 private static final int RADIO_UID = Process.PHONE_UID; 372 private static final int LOG_UID = Process.LOG_UID; 373 private static final int NFC_UID = Process.NFC_UID; 374 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 375 private static final int SHELL_UID = Process.SHELL_UID; 376 377 // Cap the size of permission trees that 3rd party apps can define 378 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 379 380 // Suffix used during package installation when copying/moving 381 // package apks to install directory. 382 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 383 384 static final int SCAN_NO_DEX = 1<<1; 385 static final int SCAN_FORCE_DEX = 1<<2; 386 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 387 static final int SCAN_NEW_INSTALL = 1<<4; 388 static final int SCAN_NO_PATHS = 1<<5; 389 static final int SCAN_UPDATE_TIME = 1<<6; 390 static final int SCAN_DEFER_DEX = 1<<7; 391 static final int SCAN_BOOTING = 1<<8; 392 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 393 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 394 static final int SCAN_REPLACING = 1<<11; 395 static final int SCAN_REQUIRE_KNOWN = 1<<12; 396 static final int SCAN_MOVE = 1<<13; 397 static final int SCAN_INITIAL = 1<<14; 398 static final int SCAN_CHECK_ONLY = 1<<15; 399 static final int SCAN_DONT_KILL_APP = 1<<17; 400 static final int SCAN_IGNORE_FROZEN = 1<<18; 401 402 static final int REMOVE_CHATTY = 1<<16; 403 404 private static final int[] EMPTY_INT_ARRAY = new int[0]; 405 406 /** 407 * Timeout (in milliseconds) after which the watchdog should declare that 408 * our handler thread is wedged. The usual default for such things is one 409 * minute but we sometimes do very lengthy I/O operations on this thread, 410 * such as installing multi-gigabyte applications, so ours needs to be longer. 411 */ 412 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 413 414 /** 415 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 416 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 417 * settings entry if available, otherwise we use the hardcoded default. If it's been 418 * more than this long since the last fstrim, we force one during the boot sequence. 419 * 420 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 421 * one gets run at the next available charging+idle time. This final mandatory 422 * no-fstrim check kicks in only of the other scheduling criteria is never met. 423 */ 424 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 425 426 /** 427 * Whether verification is enabled by default. 428 */ 429 private static final boolean DEFAULT_VERIFY_ENABLE = true; 430 431 /** 432 * The default maximum time to wait for the verification agent to return in 433 * milliseconds. 434 */ 435 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 436 437 /** 438 * The default response for package verification timeout. 439 * 440 * This can be either PackageManager.VERIFICATION_ALLOW or 441 * PackageManager.VERIFICATION_REJECT. 442 */ 443 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 444 445 static final String PLATFORM_PACKAGE_NAME = "android"; 446 447 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 448 449 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 450 DEFAULT_CONTAINER_PACKAGE, 451 "com.android.defcontainer.DefaultContainerService"); 452 453 private static final String KILL_APP_REASON_GIDS_CHANGED = 454 "permission grant or revoke changed gids"; 455 456 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 457 "permissions revoked"; 458 459 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 460 461 private static final String PACKAGE_SCHEME = "package"; 462 463 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 464 465 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 466 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 467 468 /** Permission grant: not grant the permission. */ 469 private static final int GRANT_DENIED = 1; 470 471 /** Permission grant: grant the permission as an install permission. */ 472 private static final int GRANT_INSTALL = 2; 473 474 /** Permission grant: grant the permission as a runtime one. */ 475 private static final int GRANT_RUNTIME = 3; 476 477 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 478 private static final int GRANT_UPGRADE = 4; 479 480 /** Canonical intent used to identify what counts as a "web browser" app */ 481 private static final Intent sBrowserIntent; 482 static { 483 sBrowserIntent = new Intent(); 484 sBrowserIntent.setAction(Intent.ACTION_VIEW); 485 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 486 sBrowserIntent.setData(Uri.parse("http:")); 487 } 488 489 /** 490 * The set of all protected actions [i.e. those actions for which a high priority 491 * intent filter is disallowed]. 492 */ 493 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 494 static { 495 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 496 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 497 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 498 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 499 } 500 501 // Compilation reasons. 502 public static final int REASON_FIRST_BOOT = 0; 503 public static final int REASON_BOOT = 1; 504 public static final int REASON_INSTALL = 2; 505 public static final int REASON_BACKGROUND_DEXOPT = 3; 506 public static final int REASON_AB_OTA = 4; 507 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 508 public static final int REASON_SHARED_APK = 6; 509 public static final int REASON_FORCED_DEXOPT = 7; 510 public static final int REASON_CORE_APP = 8; 511 512 public static final int REASON_LAST = REASON_CORE_APP; 513 514 /** Special library name that skips shared libraries check during compilation. */ 515 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 516 517 final ServiceThread mHandlerThread; 518 519 final PackageHandler mHandler; 520 521 private final ProcessLoggingHandler mProcessLoggingHandler; 522 523 /** 524 * Messages for {@link #mHandler} that need to wait for system ready before 525 * being dispatched. 526 */ 527 private ArrayList<Message> mPostSystemReadyMessages; 528 529 final int mSdkVersion = Build.VERSION.SDK_INT; 530 531 final Context mContext; 532 final boolean mFactoryTest; 533 final boolean mOnlyCore; 534 final DisplayMetrics mMetrics; 535 final int mDefParseFlags; 536 final String[] mSeparateProcesses; 537 final boolean mIsUpgrade; 538 final boolean mIsPreNUpgrade; 539 final boolean mIsPreNMR1Upgrade; 540 541 /** The location for ASEC container files on internal storage. */ 542 final String mAsecInternalPath; 543 544 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 545 // LOCK HELD. Can be called with mInstallLock held. 546 @GuardedBy("mInstallLock") 547 final Installer mInstaller; 548 549 /** Directory where installed third-party apps stored */ 550 final File mAppInstallDir; 551 final File mEphemeralInstallDir; 552 553 /** 554 * Directory to which applications installed internally have their 555 * 32 bit native libraries copied. 556 */ 557 private File mAppLib32InstallDir; 558 559 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 560 // apps. 561 final File mDrmAppPrivateInstallDir; 562 563 // ---------------------------------------------------------------- 564 565 // Lock for state used when installing and doing other long running 566 // operations. Methods that must be called with this lock held have 567 // the suffix "LI". 568 final Object mInstallLock = new Object(); 569 570 // ---------------------------------------------------------------- 571 572 // Keys are String (package name), values are Package. This also serves 573 // as the lock for the global state. Methods that must be called with 574 // this lock held have the prefix "LP". 575 @GuardedBy("mPackages") 576 final ArrayMap<String, PackageParser.Package> mPackages = 577 new ArrayMap<String, PackageParser.Package>(); 578 579 final ArrayMap<String, Set<String>> mKnownCodebase = 580 new ArrayMap<String, Set<String>>(); 581 582 // Tracks available target package names -> overlay package paths. 583 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 584 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 585 586 /** 587 * Tracks new system packages [received in an OTA] that we expect to 588 * find updated user-installed versions. Keys are package name, values 589 * are package location. 590 */ 591 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 592 /** 593 * Tracks high priority intent filters for protected actions. During boot, certain 594 * filter actions are protected and should never be allowed to have a high priority 595 * intent filter for them. However, there is one, and only one exception -- the 596 * setup wizard. It must be able to define a high priority intent filter for these 597 * actions to ensure there are no escapes from the wizard. We need to delay processing 598 * of these during boot as we need to look at all of the system packages in order 599 * to know which component is the setup wizard. 600 */ 601 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 602 /** 603 * Whether or not processing protected filters should be deferred. 604 */ 605 private boolean mDeferProtectedFilters = true; 606 607 /** 608 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 609 */ 610 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 611 /** 612 * Whether or not system app permissions should be promoted from install to runtime. 613 */ 614 boolean mPromoteSystemApps; 615 616 @GuardedBy("mPackages") 617 final Settings mSettings; 618 619 /** 620 * Set of package names that are currently "frozen", which means active 621 * surgery is being done on the code/data for that package. The platform 622 * will refuse to launch frozen packages to avoid race conditions. 623 * 624 * @see PackageFreezer 625 */ 626 @GuardedBy("mPackages") 627 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 628 629 final ProtectedPackages mProtectedPackages; 630 631 boolean mFirstBoot; 632 633 // System configuration read by SystemConfig. 634 final int[] mGlobalGids; 635 final SparseArray<ArraySet<String>> mSystemPermissions; 636 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 637 638 // If mac_permissions.xml was found for seinfo labeling. 639 boolean mFoundPolicyFile; 640 641 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 642 643 public static final class SharedLibraryEntry { 644 public final String path; 645 public final String apk; 646 647 SharedLibraryEntry(String _path, String _apk) { 648 path = _path; 649 apk = _apk; 650 } 651 } 652 653 // Currently known shared libraries. 654 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 655 new ArrayMap<String, SharedLibraryEntry>(); 656 657 // All available activities, for your resolving pleasure. 658 final ActivityIntentResolver mActivities = 659 new ActivityIntentResolver(); 660 661 // All available receivers, for your resolving pleasure. 662 final ActivityIntentResolver mReceivers = 663 new ActivityIntentResolver(); 664 665 // All available services, for your resolving pleasure. 666 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 667 668 // All available providers, for your resolving pleasure. 669 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 670 671 // Mapping from provider base names (first directory in content URI codePath) 672 // to the provider information. 673 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 674 new ArrayMap<String, PackageParser.Provider>(); 675 676 // Mapping from instrumentation class names to info about them. 677 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 678 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 679 680 // Mapping from permission names to info about them. 681 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 682 new ArrayMap<String, PackageParser.PermissionGroup>(); 683 684 // Packages whose data we have transfered into another package, thus 685 // should no longer exist. 686 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 687 688 // Broadcast actions that are only available to the system. 689 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 690 691 /** List of packages waiting for verification. */ 692 final SparseArray<PackageVerificationState> mPendingVerification 693 = new SparseArray<PackageVerificationState>(); 694 695 /** Set of packages associated with each app op permission. */ 696 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 697 698 final PackageInstallerService mInstallerService; 699 700 private final PackageDexOptimizer mPackageDexOptimizer; 701 702 private AtomicInteger mNextMoveId = new AtomicInteger(); 703 private final MoveCallbacks mMoveCallbacks; 704 705 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 706 707 // Cache of users who need badging. 708 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 709 710 /** Token for keys in mPendingVerification. */ 711 private int mPendingVerificationToken = 0; 712 713 volatile boolean mSystemReady; 714 volatile boolean mSafeMode; 715 volatile boolean mHasSystemUidErrors; 716 717 ApplicationInfo mAndroidApplication; 718 final ActivityInfo mResolveActivity = new ActivityInfo(); 719 final ResolveInfo mResolveInfo = new ResolveInfo(); 720 ComponentName mResolveComponentName; 721 PackageParser.Package mPlatformPackage; 722 ComponentName mCustomResolverComponentName; 723 724 boolean mResolverReplaced = false; 725 726 private final @Nullable ComponentName mIntentFilterVerifierComponent; 727 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 728 729 private int mIntentFilterVerificationToken = 0; 730 731 /** Component that knows whether or not an ephemeral application exists */ 732 final ComponentName mEphemeralResolverComponent; 733 /** The service connection to the ephemeral resolver */ 734 final EphemeralResolverConnection mEphemeralResolverConnection; 735 736 /** Component used to install ephemeral applications */ 737 final ComponentName mEphemeralInstallerComponent; 738 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 739 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 740 741 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 742 = new SparseArray<IntentFilterVerificationState>(); 743 744 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 745 746 // List of packages names to keep cached, even if they are uninstalled for all users 747 private List<String> mKeepUninstalledPackages; 748 749 private UserManagerInternal mUserManagerInternal; 750 751 private static class IFVerificationParams { 752 PackageParser.Package pkg; 753 boolean replacing; 754 int userId; 755 int verifierUid; 756 757 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 758 int _userId, int _verifierUid) { 759 pkg = _pkg; 760 replacing = _replacing; 761 userId = _userId; 762 replacing = _replacing; 763 verifierUid = _verifierUid; 764 } 765 } 766 767 private interface IntentFilterVerifier<T extends IntentFilter> { 768 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 769 T filter, String packageName); 770 void startVerifications(int userId); 771 void receiveVerificationResponse(int verificationId); 772 } 773 774 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 775 private Context mContext; 776 private ComponentName mIntentFilterVerifierComponent; 777 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 778 779 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 780 mContext = context; 781 mIntentFilterVerifierComponent = verifierComponent; 782 } 783 784 private String getDefaultScheme() { 785 return IntentFilter.SCHEME_HTTPS; 786 } 787 788 @Override 789 public void startVerifications(int userId) { 790 // Launch verifications requests 791 int count = mCurrentIntentFilterVerifications.size(); 792 for (int n=0; n<count; n++) { 793 int verificationId = mCurrentIntentFilterVerifications.get(n); 794 final IntentFilterVerificationState ivs = 795 mIntentFilterVerificationStates.get(verificationId); 796 797 String packageName = ivs.getPackageName(); 798 799 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 800 final int filterCount = filters.size(); 801 ArraySet<String> domainsSet = new ArraySet<>(); 802 for (int m=0; m<filterCount; m++) { 803 PackageParser.ActivityIntentInfo filter = filters.get(m); 804 domainsSet.addAll(filter.getHostsList()); 805 } 806 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 807 synchronized (mPackages) { 808 if (mSettings.createIntentFilterVerificationIfNeededLPw( 809 packageName, domainsList) != null) { 810 scheduleWriteSettingsLocked(); 811 } 812 } 813 sendVerificationRequest(userId, verificationId, ivs); 814 } 815 mCurrentIntentFilterVerifications.clear(); 816 } 817 818 private void sendVerificationRequest(int userId, int verificationId, 819 IntentFilterVerificationState ivs) { 820 821 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 822 verificationIntent.putExtra( 823 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 824 verificationId); 825 verificationIntent.putExtra( 826 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 827 getDefaultScheme()); 828 verificationIntent.putExtra( 829 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 830 ivs.getHostsString()); 831 verificationIntent.putExtra( 832 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 833 ivs.getPackageName()); 834 verificationIntent.setComponent(mIntentFilterVerifierComponent); 835 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 836 837 UserHandle user = new UserHandle(userId); 838 mContext.sendBroadcastAsUser(verificationIntent, user); 839 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 840 "Sending IntentFilter verification broadcast"); 841 } 842 843 public void receiveVerificationResponse(int verificationId) { 844 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 845 846 final boolean verified = ivs.isVerified(); 847 848 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 849 final int count = filters.size(); 850 if (DEBUG_DOMAIN_VERIFICATION) { 851 Slog.i(TAG, "Received verification response " + verificationId 852 + " for " + count + " filters, verified=" + verified); 853 } 854 for (int n=0; n<count; n++) { 855 PackageParser.ActivityIntentInfo filter = filters.get(n); 856 filter.setVerified(verified); 857 858 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 859 + " verified with result:" + verified + " and hosts:" 860 + ivs.getHostsString()); 861 } 862 863 mIntentFilterVerificationStates.remove(verificationId); 864 865 final String packageName = ivs.getPackageName(); 866 IntentFilterVerificationInfo ivi = null; 867 868 synchronized (mPackages) { 869 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 870 } 871 if (ivi == null) { 872 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 873 + verificationId + " packageName:" + packageName); 874 return; 875 } 876 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 877 "Updating IntentFilterVerificationInfo for package " + packageName 878 +" verificationId:" + verificationId); 879 880 synchronized (mPackages) { 881 if (verified) { 882 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 883 } else { 884 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 885 } 886 scheduleWriteSettingsLocked(); 887 888 final int userId = ivs.getUserId(); 889 if (userId != UserHandle.USER_ALL) { 890 final int userStatus = 891 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 892 893 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 894 boolean needUpdate = false; 895 896 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 897 // already been set by the User thru the Disambiguation dialog 898 switch (userStatus) { 899 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 900 if (verified) { 901 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 902 } else { 903 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 904 } 905 needUpdate = true; 906 break; 907 908 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 909 if (verified) { 910 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 911 needUpdate = true; 912 } 913 break; 914 915 default: 916 // Nothing to do 917 } 918 919 if (needUpdate) { 920 mSettings.updateIntentFilterVerificationStatusLPw( 921 packageName, updatedStatus, userId); 922 scheduleWritePackageRestrictionsLocked(userId); 923 } 924 } 925 } 926 } 927 928 @Override 929 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 930 ActivityIntentInfo filter, String packageName) { 931 if (!hasValidDomains(filter)) { 932 return false; 933 } 934 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 935 if (ivs == null) { 936 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 937 packageName); 938 } 939 if (DEBUG_DOMAIN_VERIFICATION) { 940 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 941 } 942 ivs.addFilter(filter); 943 return true; 944 } 945 946 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 947 int userId, int verificationId, String packageName) { 948 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 949 verifierUid, userId, packageName); 950 ivs.setPendingState(); 951 synchronized (mPackages) { 952 mIntentFilterVerificationStates.append(verificationId, ivs); 953 mCurrentIntentFilterVerifications.add(verificationId); 954 } 955 return ivs; 956 } 957 } 958 959 private static boolean hasValidDomains(ActivityIntentInfo filter) { 960 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 961 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 962 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 963 } 964 965 // Set of pending broadcasts for aggregating enable/disable of components. 966 static class PendingPackageBroadcasts { 967 // for each user id, a map of <package name -> components within that package> 968 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 969 970 public PendingPackageBroadcasts() { 971 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 972 } 973 974 public ArrayList<String> get(int userId, String packageName) { 975 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 976 return packages.get(packageName); 977 } 978 979 public void put(int userId, String packageName, ArrayList<String> components) { 980 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 981 packages.put(packageName, components); 982 } 983 984 public void remove(int userId, String packageName) { 985 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 986 if (packages != null) { 987 packages.remove(packageName); 988 } 989 } 990 991 public void remove(int userId) { 992 mUidMap.remove(userId); 993 } 994 995 public int userIdCount() { 996 return mUidMap.size(); 997 } 998 999 public int userIdAt(int n) { 1000 return mUidMap.keyAt(n); 1001 } 1002 1003 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1004 return mUidMap.get(userId); 1005 } 1006 1007 public int size() { 1008 // total number of pending broadcast entries across all userIds 1009 int num = 0; 1010 for (int i = 0; i< mUidMap.size(); i++) { 1011 num += mUidMap.valueAt(i).size(); 1012 } 1013 return num; 1014 } 1015 1016 public void clear() { 1017 mUidMap.clear(); 1018 } 1019 1020 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1021 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1022 if (map == null) { 1023 map = new ArrayMap<String, ArrayList<String>>(); 1024 mUidMap.put(userId, map); 1025 } 1026 return map; 1027 } 1028 } 1029 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1030 1031 // Service Connection to remote media container service to copy 1032 // package uri's from external media onto secure containers 1033 // or internal storage. 1034 private IMediaContainerService mContainerService = null; 1035 1036 static final int SEND_PENDING_BROADCAST = 1; 1037 static final int MCS_BOUND = 3; 1038 static final int END_COPY = 4; 1039 static final int INIT_COPY = 5; 1040 static final int MCS_UNBIND = 6; 1041 static final int START_CLEANING_PACKAGE = 7; 1042 static final int FIND_INSTALL_LOC = 8; 1043 static final int POST_INSTALL = 9; 1044 static final int MCS_RECONNECT = 10; 1045 static final int MCS_GIVE_UP = 11; 1046 static final int UPDATED_MEDIA_STATUS = 12; 1047 static final int WRITE_SETTINGS = 13; 1048 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1049 static final int PACKAGE_VERIFIED = 15; 1050 static final int CHECK_PENDING_VERIFICATION = 16; 1051 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1052 static final int INTENT_FILTER_VERIFIED = 18; 1053 static final int WRITE_PACKAGE_LIST = 19; 1054 1055 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1056 1057 // Delay time in millisecs 1058 static final int BROADCAST_DELAY = 10 * 1000; 1059 1060 static UserManagerService sUserManager; 1061 1062 // Stores a list of users whose package restrictions file needs to be updated 1063 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1064 1065 final private DefaultContainerConnection mDefContainerConn = 1066 new DefaultContainerConnection(); 1067 class DefaultContainerConnection implements ServiceConnection { 1068 public void onServiceConnected(ComponentName name, IBinder service) { 1069 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1070 IMediaContainerService imcs = 1071 IMediaContainerService.Stub.asInterface(service); 1072 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1073 } 1074 1075 public void onServiceDisconnected(ComponentName name) { 1076 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1077 } 1078 } 1079 1080 // Recordkeeping of restore-after-install operations that are currently in flight 1081 // between the Package Manager and the Backup Manager 1082 static class PostInstallData { 1083 public InstallArgs args; 1084 public PackageInstalledInfo res; 1085 1086 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1087 args = _a; 1088 res = _r; 1089 } 1090 } 1091 1092 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1093 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1094 1095 // XML tags for backup/restore of various bits of state 1096 private static final String TAG_PREFERRED_BACKUP = "pa"; 1097 private static final String TAG_DEFAULT_APPS = "da"; 1098 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1099 1100 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1101 private static final String TAG_ALL_GRANTS = "rt-grants"; 1102 private static final String TAG_GRANT = "grant"; 1103 private static final String ATTR_PACKAGE_NAME = "pkg"; 1104 1105 private static final String TAG_PERMISSION = "perm"; 1106 private static final String ATTR_PERMISSION_NAME = "name"; 1107 private static final String ATTR_IS_GRANTED = "g"; 1108 private static final String ATTR_USER_SET = "set"; 1109 private static final String ATTR_USER_FIXED = "fixed"; 1110 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1111 1112 // System/policy permission grants are not backed up 1113 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1114 FLAG_PERMISSION_POLICY_FIXED 1115 | FLAG_PERMISSION_SYSTEM_FIXED 1116 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1117 1118 // And we back up these user-adjusted states 1119 private static final int USER_RUNTIME_GRANT_MASK = 1120 FLAG_PERMISSION_USER_SET 1121 | FLAG_PERMISSION_USER_FIXED 1122 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1123 1124 final @Nullable String mRequiredVerifierPackage; 1125 final @NonNull String mRequiredInstallerPackage; 1126 final @NonNull String mRequiredUninstallerPackage; 1127 final @Nullable String mSetupWizardPackage; 1128 final @NonNull String mServicesSystemSharedLibraryPackageName; 1129 final @NonNull String mSharedSystemSharedLibraryPackageName; 1130 1131 private final PackageUsage mPackageUsage = new PackageUsage(); 1132 private final CompilerStats mCompilerStats = new CompilerStats(); 1133 1134 class PackageHandler extends Handler { 1135 private boolean mBound = false; 1136 final ArrayList<HandlerParams> mPendingInstalls = 1137 new ArrayList<HandlerParams>(); 1138 1139 private boolean connectToService() { 1140 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1141 " DefaultContainerService"); 1142 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1143 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1144 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1145 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1146 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1147 mBound = true; 1148 return true; 1149 } 1150 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1151 return false; 1152 } 1153 1154 private void disconnectService() { 1155 mContainerService = null; 1156 mBound = false; 1157 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1158 mContext.unbindService(mDefContainerConn); 1159 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1160 } 1161 1162 PackageHandler(Looper looper) { 1163 super(looper); 1164 } 1165 1166 public void handleMessage(Message msg) { 1167 try { 1168 doHandleMessage(msg); 1169 } finally { 1170 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1171 } 1172 } 1173 1174 void doHandleMessage(Message msg) { 1175 switch (msg.what) { 1176 case INIT_COPY: { 1177 HandlerParams params = (HandlerParams) msg.obj; 1178 int idx = mPendingInstalls.size(); 1179 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1180 // If a bind was already initiated we dont really 1181 // need to do anything. The pending install 1182 // will be processed later on. 1183 if (!mBound) { 1184 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1185 System.identityHashCode(mHandler)); 1186 // If this is the only one pending we might 1187 // have to bind to the service again. 1188 if (!connectToService()) { 1189 Slog.e(TAG, "Failed to bind to media container service"); 1190 params.serviceError(); 1191 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1192 System.identityHashCode(mHandler)); 1193 if (params.traceMethod != null) { 1194 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1195 params.traceCookie); 1196 } 1197 return; 1198 } else { 1199 // Once we bind to the service, the first 1200 // pending request will be processed. 1201 mPendingInstalls.add(idx, params); 1202 } 1203 } else { 1204 mPendingInstalls.add(idx, params); 1205 // Already bound to the service. Just make 1206 // sure we trigger off processing the first request. 1207 if (idx == 0) { 1208 mHandler.sendEmptyMessage(MCS_BOUND); 1209 } 1210 } 1211 break; 1212 } 1213 case MCS_BOUND: { 1214 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1215 if (msg.obj != null) { 1216 mContainerService = (IMediaContainerService) msg.obj; 1217 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1218 System.identityHashCode(mHandler)); 1219 } 1220 if (mContainerService == null) { 1221 if (!mBound) { 1222 // Something seriously wrong since we are not bound and we are not 1223 // waiting for connection. Bail out. 1224 Slog.e(TAG, "Cannot bind to media container service"); 1225 for (HandlerParams params : mPendingInstalls) { 1226 // Indicate service bind error 1227 params.serviceError(); 1228 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1229 System.identityHashCode(params)); 1230 if (params.traceMethod != null) { 1231 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1232 params.traceMethod, params.traceCookie); 1233 } 1234 return; 1235 } 1236 mPendingInstalls.clear(); 1237 } else { 1238 Slog.w(TAG, "Waiting to connect to media container service"); 1239 } 1240 } else if (mPendingInstalls.size() > 0) { 1241 HandlerParams params = mPendingInstalls.get(0); 1242 if (params != null) { 1243 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1244 System.identityHashCode(params)); 1245 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1246 if (params.startCopy()) { 1247 // We are done... look for more work or to 1248 // go idle. 1249 if (DEBUG_SD_INSTALL) Log.i(TAG, 1250 "Checking for more work or unbind..."); 1251 // Delete pending install 1252 if (mPendingInstalls.size() > 0) { 1253 mPendingInstalls.remove(0); 1254 } 1255 if (mPendingInstalls.size() == 0) { 1256 if (mBound) { 1257 if (DEBUG_SD_INSTALL) Log.i(TAG, 1258 "Posting delayed MCS_UNBIND"); 1259 removeMessages(MCS_UNBIND); 1260 Message ubmsg = obtainMessage(MCS_UNBIND); 1261 // Unbind after a little delay, to avoid 1262 // continual thrashing. 1263 sendMessageDelayed(ubmsg, 10000); 1264 } 1265 } else { 1266 // There are more pending requests in queue. 1267 // Just post MCS_BOUND message to trigger processing 1268 // of next pending install. 1269 if (DEBUG_SD_INSTALL) Log.i(TAG, 1270 "Posting MCS_BOUND for next work"); 1271 mHandler.sendEmptyMessage(MCS_BOUND); 1272 } 1273 } 1274 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1275 } 1276 } else { 1277 // Should never happen ideally. 1278 Slog.w(TAG, "Empty queue"); 1279 } 1280 break; 1281 } 1282 case MCS_RECONNECT: { 1283 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1284 if (mPendingInstalls.size() > 0) { 1285 if (mBound) { 1286 disconnectService(); 1287 } 1288 if (!connectToService()) { 1289 Slog.e(TAG, "Failed to bind to media container service"); 1290 for (HandlerParams params : mPendingInstalls) { 1291 // Indicate service bind error 1292 params.serviceError(); 1293 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1294 System.identityHashCode(params)); 1295 } 1296 mPendingInstalls.clear(); 1297 } 1298 } 1299 break; 1300 } 1301 case MCS_UNBIND: { 1302 // If there is no actual work left, then time to unbind. 1303 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1304 1305 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1306 if (mBound) { 1307 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1308 1309 disconnectService(); 1310 } 1311 } else if (mPendingInstalls.size() > 0) { 1312 // There are more pending requests in queue. 1313 // Just post MCS_BOUND message to trigger processing 1314 // of next pending install. 1315 mHandler.sendEmptyMessage(MCS_BOUND); 1316 } 1317 1318 break; 1319 } 1320 case MCS_GIVE_UP: { 1321 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1322 HandlerParams params = mPendingInstalls.remove(0); 1323 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1324 System.identityHashCode(params)); 1325 break; 1326 } 1327 case SEND_PENDING_BROADCAST: { 1328 String packages[]; 1329 ArrayList<String> components[]; 1330 int size = 0; 1331 int uids[]; 1332 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1333 synchronized (mPackages) { 1334 if (mPendingBroadcasts == null) { 1335 return; 1336 } 1337 size = mPendingBroadcasts.size(); 1338 if (size <= 0) { 1339 // Nothing to be done. Just return 1340 return; 1341 } 1342 packages = new String[size]; 1343 components = new ArrayList[size]; 1344 uids = new int[size]; 1345 int i = 0; // filling out the above arrays 1346 1347 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1348 int packageUserId = mPendingBroadcasts.userIdAt(n); 1349 Iterator<Map.Entry<String, ArrayList<String>>> it 1350 = mPendingBroadcasts.packagesForUserId(packageUserId) 1351 .entrySet().iterator(); 1352 while (it.hasNext() && i < size) { 1353 Map.Entry<String, ArrayList<String>> ent = it.next(); 1354 packages[i] = ent.getKey(); 1355 components[i] = ent.getValue(); 1356 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1357 uids[i] = (ps != null) 1358 ? UserHandle.getUid(packageUserId, ps.appId) 1359 : -1; 1360 i++; 1361 } 1362 } 1363 size = i; 1364 mPendingBroadcasts.clear(); 1365 } 1366 // Send broadcasts 1367 for (int i = 0; i < size; i++) { 1368 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1369 } 1370 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1371 break; 1372 } 1373 case START_CLEANING_PACKAGE: { 1374 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1375 final String packageName = (String)msg.obj; 1376 final int userId = msg.arg1; 1377 final boolean andCode = msg.arg2 != 0; 1378 synchronized (mPackages) { 1379 if (userId == UserHandle.USER_ALL) { 1380 int[] users = sUserManager.getUserIds(); 1381 for (int user : users) { 1382 mSettings.addPackageToCleanLPw( 1383 new PackageCleanItem(user, packageName, andCode)); 1384 } 1385 } else { 1386 mSettings.addPackageToCleanLPw( 1387 new PackageCleanItem(userId, packageName, andCode)); 1388 } 1389 } 1390 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1391 startCleaningPackages(); 1392 } break; 1393 case POST_INSTALL: { 1394 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1395 1396 PostInstallData data = mRunningInstalls.get(msg.arg1); 1397 final boolean didRestore = (msg.arg2 != 0); 1398 mRunningInstalls.delete(msg.arg1); 1399 1400 if (data != null) { 1401 InstallArgs args = data.args; 1402 PackageInstalledInfo parentRes = data.res; 1403 1404 final boolean grantPermissions = (args.installFlags 1405 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1406 final boolean killApp = (args.installFlags 1407 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1408 final String[] grantedPermissions = args.installGrantPermissions; 1409 1410 // Handle the parent package 1411 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1412 grantedPermissions, didRestore, args.installerPackageName, 1413 args.observer); 1414 1415 // Handle the child packages 1416 final int childCount = (parentRes.addedChildPackages != null) 1417 ? parentRes.addedChildPackages.size() : 0; 1418 for (int i = 0; i < childCount; i++) { 1419 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1420 handlePackagePostInstall(childRes, grantPermissions, killApp, 1421 grantedPermissions, false, args.installerPackageName, 1422 args.observer); 1423 } 1424 1425 // Log tracing if needed 1426 if (args.traceMethod != null) { 1427 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1428 args.traceCookie); 1429 } 1430 } else { 1431 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1432 } 1433 1434 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1435 } break; 1436 case UPDATED_MEDIA_STATUS: { 1437 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1438 boolean reportStatus = msg.arg1 == 1; 1439 boolean doGc = msg.arg2 == 1; 1440 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1441 if (doGc) { 1442 // Force a gc to clear up stale containers. 1443 Runtime.getRuntime().gc(); 1444 } 1445 if (msg.obj != null) { 1446 @SuppressWarnings("unchecked") 1447 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1448 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1449 // Unload containers 1450 unloadAllContainers(args); 1451 } 1452 if (reportStatus) { 1453 try { 1454 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1455 PackageHelper.getMountService().finishMediaUpdate(); 1456 } catch (RemoteException e) { 1457 Log.e(TAG, "MountService not running?"); 1458 } 1459 } 1460 } break; 1461 case WRITE_SETTINGS: { 1462 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1463 synchronized (mPackages) { 1464 removeMessages(WRITE_SETTINGS); 1465 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1466 mSettings.writeLPr(); 1467 mDirtyUsers.clear(); 1468 } 1469 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1470 } break; 1471 case WRITE_PACKAGE_RESTRICTIONS: { 1472 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1473 synchronized (mPackages) { 1474 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1475 for (int userId : mDirtyUsers) { 1476 mSettings.writePackageRestrictionsLPr(userId); 1477 } 1478 mDirtyUsers.clear(); 1479 } 1480 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1481 } break; 1482 case WRITE_PACKAGE_LIST: { 1483 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1484 synchronized (mPackages) { 1485 removeMessages(WRITE_PACKAGE_LIST); 1486 mSettings.writePackageListLPr(msg.arg1); 1487 } 1488 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1489 } break; 1490 case CHECK_PENDING_VERIFICATION: { 1491 final int verificationId = msg.arg1; 1492 final PackageVerificationState state = mPendingVerification.get(verificationId); 1493 1494 if ((state != null) && !state.timeoutExtended()) { 1495 final InstallArgs args = state.getInstallArgs(); 1496 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1497 1498 Slog.i(TAG, "Verification timed out for " + originUri); 1499 mPendingVerification.remove(verificationId); 1500 1501 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1502 1503 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1504 Slog.i(TAG, "Continuing with installation of " + originUri); 1505 state.setVerifierResponse(Binder.getCallingUid(), 1506 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1507 broadcastPackageVerified(verificationId, originUri, 1508 PackageManager.VERIFICATION_ALLOW, 1509 state.getInstallArgs().getUser()); 1510 try { 1511 ret = args.copyApk(mContainerService, true); 1512 } catch (RemoteException e) { 1513 Slog.e(TAG, "Could not contact the ContainerService"); 1514 } 1515 } else { 1516 broadcastPackageVerified(verificationId, originUri, 1517 PackageManager.VERIFICATION_REJECT, 1518 state.getInstallArgs().getUser()); 1519 } 1520 1521 Trace.asyncTraceEnd( 1522 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1523 1524 processPendingInstall(args, ret); 1525 mHandler.sendEmptyMessage(MCS_UNBIND); 1526 } 1527 break; 1528 } 1529 case PACKAGE_VERIFIED: { 1530 final int verificationId = msg.arg1; 1531 1532 final PackageVerificationState state = mPendingVerification.get(verificationId); 1533 if (state == null) { 1534 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1535 break; 1536 } 1537 1538 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1539 1540 state.setVerifierResponse(response.callerUid, response.code); 1541 1542 if (state.isVerificationComplete()) { 1543 mPendingVerification.remove(verificationId); 1544 1545 final InstallArgs args = state.getInstallArgs(); 1546 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1547 1548 int ret; 1549 if (state.isInstallAllowed()) { 1550 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1551 broadcastPackageVerified(verificationId, originUri, 1552 response.code, state.getInstallArgs().getUser()); 1553 try { 1554 ret = args.copyApk(mContainerService, true); 1555 } catch (RemoteException e) { 1556 Slog.e(TAG, "Could not contact the ContainerService"); 1557 } 1558 } else { 1559 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1560 } 1561 1562 Trace.asyncTraceEnd( 1563 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1564 1565 processPendingInstall(args, ret); 1566 mHandler.sendEmptyMessage(MCS_UNBIND); 1567 } 1568 1569 break; 1570 } 1571 case START_INTENT_FILTER_VERIFICATIONS: { 1572 IFVerificationParams params = (IFVerificationParams) msg.obj; 1573 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1574 params.replacing, params.pkg); 1575 break; 1576 } 1577 case INTENT_FILTER_VERIFIED: { 1578 final int verificationId = msg.arg1; 1579 1580 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1581 verificationId); 1582 if (state == null) { 1583 Slog.w(TAG, "Invalid IntentFilter verification token " 1584 + verificationId + " received"); 1585 break; 1586 } 1587 1588 final int userId = state.getUserId(); 1589 1590 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1591 "Processing IntentFilter verification with token:" 1592 + verificationId + " and userId:" + userId); 1593 1594 final IntentFilterVerificationResponse response = 1595 (IntentFilterVerificationResponse) msg.obj; 1596 1597 state.setVerifierResponse(response.callerUid, response.code); 1598 1599 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1600 "IntentFilter verification with token:" + verificationId 1601 + " and userId:" + userId 1602 + " is settings verifier response with response code:" 1603 + response.code); 1604 1605 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1606 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1607 + response.getFailedDomainsString()); 1608 } 1609 1610 if (state.isVerificationComplete()) { 1611 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1612 } else { 1613 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1614 "IntentFilter verification with token:" + verificationId 1615 + " was not said to be complete"); 1616 } 1617 1618 break; 1619 } 1620 } 1621 } 1622 } 1623 1624 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1625 boolean killApp, String[] grantedPermissions, 1626 boolean launchedForRestore, String installerPackage, 1627 IPackageInstallObserver2 installObserver) { 1628 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1629 // Send the removed broadcasts 1630 if (res.removedInfo != null) { 1631 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1632 } 1633 1634 // Now that we successfully installed the package, grant runtime 1635 // permissions if requested before broadcasting the install. 1636 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1637 >= Build.VERSION_CODES.M) { 1638 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1639 } 1640 1641 final boolean update = res.removedInfo != null 1642 && res.removedInfo.removedPackage != null; 1643 1644 // If this is the first time we have child packages for a disabled privileged 1645 // app that had no children, we grant requested runtime permissions to the new 1646 // children if the parent on the system image had them already granted. 1647 if (res.pkg.parentPackage != null) { 1648 synchronized (mPackages) { 1649 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1650 } 1651 } 1652 1653 synchronized (mPackages) { 1654 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1655 } 1656 1657 final String packageName = res.pkg.applicationInfo.packageName; 1658 Bundle extras = new Bundle(1); 1659 extras.putInt(Intent.EXTRA_UID, res.uid); 1660 1661 // Determine the set of users who are adding this package for 1662 // the first time vs. those who are seeing an update. 1663 int[] firstUsers = EMPTY_INT_ARRAY; 1664 int[] updateUsers = EMPTY_INT_ARRAY; 1665 if (res.origUsers == null || res.origUsers.length == 0) { 1666 firstUsers = res.newUsers; 1667 } else { 1668 for (int newUser : res.newUsers) { 1669 boolean isNew = true; 1670 for (int origUser : res.origUsers) { 1671 if (origUser == newUser) { 1672 isNew = false; 1673 break; 1674 } 1675 } 1676 if (isNew) { 1677 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1678 } else { 1679 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1680 } 1681 } 1682 } 1683 1684 // Send installed broadcasts if the install/update is not ephemeral 1685 if (!isEphemeral(res.pkg)) { 1686 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1687 1688 // Send added for users that see the package for the first time 1689 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1690 extras, 0 /*flags*/, null /*targetPackage*/, 1691 null /*finishedReceiver*/, firstUsers); 1692 1693 // Send added for users that don't see the package for the first time 1694 if (update) { 1695 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1696 } 1697 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1698 extras, 0 /*flags*/, null /*targetPackage*/, 1699 null /*finishedReceiver*/, updateUsers); 1700 1701 // Send replaced for users that don't see the package for the first time 1702 if (update) { 1703 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1704 packageName, extras, 0 /*flags*/, 1705 null /*targetPackage*/, null /*finishedReceiver*/, 1706 updateUsers); 1707 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1708 null /*package*/, null /*extras*/, 0 /*flags*/, 1709 packageName /*targetPackage*/, 1710 null /*finishedReceiver*/, updateUsers); 1711 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1712 // First-install and we did a restore, so we're responsible for the 1713 // first-launch broadcast. 1714 if (DEBUG_BACKUP) { 1715 Slog.i(TAG, "Post-restore of " + packageName 1716 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1717 } 1718 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1719 } 1720 1721 // Send broadcast package appeared if forward locked/external for all users 1722 // treat asec-hosted packages like removable media on upgrade 1723 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1724 if (DEBUG_INSTALL) { 1725 Slog.i(TAG, "upgrading pkg " + res.pkg 1726 + " is ASEC-hosted -> AVAILABLE"); 1727 } 1728 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1729 ArrayList<String> pkgList = new ArrayList<>(1); 1730 pkgList.add(packageName); 1731 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1732 } 1733 } 1734 1735 // Work that needs to happen on first install within each user 1736 if (firstUsers != null && firstUsers.length > 0) { 1737 synchronized (mPackages) { 1738 for (int userId : firstUsers) { 1739 // If this app is a browser and it's newly-installed for some 1740 // users, clear any default-browser state in those users. The 1741 // app's nature doesn't depend on the user, so we can just check 1742 // its browser nature in any user and generalize. 1743 if (packageIsBrowser(packageName, userId)) { 1744 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1745 } 1746 1747 // We may also need to apply pending (restored) runtime 1748 // permission grants within these users. 1749 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1750 } 1751 } 1752 } 1753 1754 // Log current value of "unknown sources" setting 1755 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1756 getUnknownSourcesSettings()); 1757 1758 // Force a gc to clear up things 1759 Runtime.getRuntime().gc(); 1760 1761 // Remove the replaced package's older resources safely now 1762 // We delete after a gc for applications on sdcard. 1763 if (res.removedInfo != null && res.removedInfo.args != null) { 1764 synchronized (mInstallLock) { 1765 res.removedInfo.args.doPostDeleteLI(true); 1766 } 1767 } 1768 } 1769 1770 // If someone is watching installs - notify them 1771 if (installObserver != null) { 1772 try { 1773 Bundle extras = extrasForInstallResult(res); 1774 installObserver.onPackageInstalled(res.name, res.returnCode, 1775 res.returnMsg, extras); 1776 } catch (RemoteException e) { 1777 Slog.i(TAG, "Observer no longer exists."); 1778 } 1779 } 1780 } 1781 1782 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1783 PackageParser.Package pkg) { 1784 if (pkg.parentPackage == null) { 1785 return; 1786 } 1787 if (pkg.requestedPermissions == null) { 1788 return; 1789 } 1790 final PackageSetting disabledSysParentPs = mSettings 1791 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1792 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1793 || !disabledSysParentPs.isPrivileged() 1794 || (disabledSysParentPs.childPackageNames != null 1795 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1796 return; 1797 } 1798 final int[] allUserIds = sUserManager.getUserIds(); 1799 final int permCount = pkg.requestedPermissions.size(); 1800 for (int i = 0; i < permCount; i++) { 1801 String permission = pkg.requestedPermissions.get(i); 1802 BasePermission bp = mSettings.mPermissions.get(permission); 1803 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1804 continue; 1805 } 1806 for (int userId : allUserIds) { 1807 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1808 permission, userId)) { 1809 grantRuntimePermission(pkg.packageName, permission, userId); 1810 } 1811 } 1812 } 1813 } 1814 1815 private StorageEventListener mStorageListener = new StorageEventListener() { 1816 @Override 1817 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1818 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1819 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1820 final String volumeUuid = vol.getFsUuid(); 1821 1822 // Clean up any users or apps that were removed or recreated 1823 // while this volume was missing 1824 reconcileUsers(volumeUuid); 1825 reconcileApps(volumeUuid); 1826 1827 // Clean up any install sessions that expired or were 1828 // cancelled while this volume was missing 1829 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1830 1831 loadPrivatePackages(vol); 1832 1833 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1834 unloadPrivatePackages(vol); 1835 } 1836 } 1837 1838 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1839 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1840 updateExternalMediaStatus(true, false); 1841 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1842 updateExternalMediaStatus(false, false); 1843 } 1844 } 1845 } 1846 1847 @Override 1848 public void onVolumeForgotten(String fsUuid) { 1849 if (TextUtils.isEmpty(fsUuid)) { 1850 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1851 return; 1852 } 1853 1854 // Remove any apps installed on the forgotten volume 1855 synchronized (mPackages) { 1856 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1857 for (PackageSetting ps : packages) { 1858 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1859 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1860 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1861 } 1862 1863 mSettings.onVolumeForgotten(fsUuid); 1864 mSettings.writeLPr(); 1865 } 1866 } 1867 }; 1868 1869 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1870 String[] grantedPermissions) { 1871 for (int userId : userIds) { 1872 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1873 } 1874 1875 // We could have touched GID membership, so flush out packages.list 1876 synchronized (mPackages) { 1877 mSettings.writePackageListLPr(); 1878 } 1879 } 1880 1881 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1882 String[] grantedPermissions) { 1883 SettingBase sb = (SettingBase) pkg.mExtras; 1884 if (sb == null) { 1885 return; 1886 } 1887 1888 PermissionsState permissionsState = sb.getPermissionsState(); 1889 1890 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1891 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1892 1893 for (String permission : pkg.requestedPermissions) { 1894 final BasePermission bp; 1895 synchronized (mPackages) { 1896 bp = mSettings.mPermissions.get(permission); 1897 } 1898 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1899 && (grantedPermissions == null 1900 || ArrayUtils.contains(grantedPermissions, permission))) { 1901 final int flags = permissionsState.getPermissionFlags(permission, userId); 1902 // Installer cannot change immutable permissions. 1903 if ((flags & immutableFlags) == 0) { 1904 grantRuntimePermission(pkg.packageName, permission, userId); 1905 } 1906 } 1907 } 1908 } 1909 1910 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1911 Bundle extras = null; 1912 switch (res.returnCode) { 1913 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1914 extras = new Bundle(); 1915 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1916 res.origPermission); 1917 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1918 res.origPackage); 1919 break; 1920 } 1921 case PackageManager.INSTALL_SUCCEEDED: { 1922 extras = new Bundle(); 1923 extras.putBoolean(Intent.EXTRA_REPLACING, 1924 res.removedInfo != null && res.removedInfo.removedPackage != null); 1925 break; 1926 } 1927 } 1928 return extras; 1929 } 1930 1931 void scheduleWriteSettingsLocked() { 1932 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1933 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1934 } 1935 } 1936 1937 void scheduleWritePackageListLocked(int userId) { 1938 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1939 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1940 msg.arg1 = userId; 1941 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1942 } 1943 } 1944 1945 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1946 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1947 scheduleWritePackageRestrictionsLocked(userId); 1948 } 1949 1950 void scheduleWritePackageRestrictionsLocked(int userId) { 1951 final int[] userIds = (userId == UserHandle.USER_ALL) 1952 ? sUserManager.getUserIds() : new int[]{userId}; 1953 for (int nextUserId : userIds) { 1954 if (!sUserManager.exists(nextUserId)) return; 1955 mDirtyUsers.add(nextUserId); 1956 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1957 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1958 } 1959 } 1960 } 1961 1962 public static PackageManagerService main(Context context, Installer installer, 1963 boolean factoryTest, boolean onlyCore) { 1964 // Self-check for initial settings. 1965 PackageManagerServiceCompilerMapping.checkProperties(); 1966 1967 PackageManagerService m = new PackageManagerService(context, installer, 1968 factoryTest, onlyCore); 1969 m.enableSystemUserPackages(); 1970 ServiceManager.addService("package", m); 1971 return m; 1972 } 1973 1974 private void enableSystemUserPackages() { 1975 if (!UserManager.isSplitSystemUser()) { 1976 return; 1977 } 1978 // For system user, enable apps based on the following conditions: 1979 // - app is whitelisted or belong to one of these groups: 1980 // -- system app which has no launcher icons 1981 // -- system app which has INTERACT_ACROSS_USERS permission 1982 // -- system IME app 1983 // - app is not in the blacklist 1984 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1985 Set<String> enableApps = new ArraySet<>(); 1986 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1987 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1988 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1989 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1990 enableApps.addAll(wlApps); 1991 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1992 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1993 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1994 enableApps.removeAll(blApps); 1995 Log.i(TAG, "Applications installed for system user: " + enableApps); 1996 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1997 UserHandle.SYSTEM); 1998 final int allAppsSize = allAps.size(); 1999 synchronized (mPackages) { 2000 for (int i = 0; i < allAppsSize; i++) { 2001 String pName = allAps.get(i); 2002 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2003 // Should not happen, but we shouldn't be failing if it does 2004 if (pkgSetting == null) { 2005 continue; 2006 } 2007 boolean install = enableApps.contains(pName); 2008 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2009 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2010 + " for system user"); 2011 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2012 } 2013 } 2014 } 2015 } 2016 2017 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2018 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2019 Context.DISPLAY_SERVICE); 2020 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2021 } 2022 2023 /** 2024 * Requests that files preopted on a secondary system partition be copied to the data partition 2025 * if possible. Note that the actual copying of the files is accomplished by init for security 2026 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2027 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2028 */ 2029 private static void requestCopyPreoptedFiles() { 2030 final int WAIT_TIME_MS = 100; 2031 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2032 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2033 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2034 // We will wait for up to 100 seconds. 2035 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2036 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2037 try { 2038 Thread.sleep(WAIT_TIME_MS); 2039 } catch (InterruptedException e) { 2040 // Do nothing 2041 } 2042 if (SystemClock.uptimeMillis() > timeEnd) { 2043 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2044 Slog.wtf(TAG, "cppreopt did not finish!"); 2045 break; 2046 } 2047 } 2048 } 2049 } 2050 2051 public PackageManagerService(Context context, Installer installer, 2052 boolean factoryTest, boolean onlyCore) { 2053 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2054 SystemClock.uptimeMillis()); 2055 2056 if (mSdkVersion <= 0) { 2057 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2058 } 2059 2060 mContext = context; 2061 mFactoryTest = factoryTest; 2062 mOnlyCore = onlyCore; 2063 mMetrics = new DisplayMetrics(); 2064 mSettings = new Settings(mPackages); 2065 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2066 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2067 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2068 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2069 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2070 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2071 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2072 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2073 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2074 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2075 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2076 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2077 2078 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2079 if (separateProcesses != null && separateProcesses.length() > 0) { 2080 if ("*".equals(separateProcesses)) { 2081 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2082 mSeparateProcesses = null; 2083 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2084 } else { 2085 mDefParseFlags = 0; 2086 mSeparateProcesses = separateProcesses.split(","); 2087 Slog.w(TAG, "Running with debug.separate_processes: " 2088 + separateProcesses); 2089 } 2090 } else { 2091 mDefParseFlags = 0; 2092 mSeparateProcesses = null; 2093 } 2094 2095 mInstaller = installer; 2096 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2097 "*dexopt*"); 2098 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2099 2100 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2101 FgThread.get().getLooper()); 2102 2103 getDefaultDisplayMetrics(context, mMetrics); 2104 2105 SystemConfig systemConfig = SystemConfig.getInstance(); 2106 mGlobalGids = systemConfig.getGlobalGids(); 2107 mSystemPermissions = systemConfig.getSystemPermissions(); 2108 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2109 2110 mProtectedPackages = new ProtectedPackages(mContext); 2111 2112 synchronized (mInstallLock) { 2113 // writer 2114 synchronized (mPackages) { 2115 mHandlerThread = new ServiceThread(TAG, 2116 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2117 mHandlerThread.start(); 2118 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2119 mProcessLoggingHandler = new ProcessLoggingHandler(); 2120 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2121 2122 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2123 2124 File dataDir = Environment.getDataDirectory(); 2125 mAppInstallDir = new File(dataDir, "app"); 2126 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2127 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2128 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2129 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2130 2131 sUserManager = new UserManagerService(context, this, mPackages); 2132 2133 // Propagate permission configuration in to package manager. 2134 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2135 = systemConfig.getPermissions(); 2136 for (int i=0; i<permConfig.size(); i++) { 2137 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2138 BasePermission bp = mSettings.mPermissions.get(perm.name); 2139 if (bp == null) { 2140 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2141 mSettings.mPermissions.put(perm.name, bp); 2142 } 2143 if (perm.gids != null) { 2144 bp.setGids(perm.gids, perm.perUser); 2145 } 2146 } 2147 2148 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2149 for (int i=0; i<libConfig.size(); i++) { 2150 mSharedLibraries.put(libConfig.keyAt(i), 2151 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2152 } 2153 2154 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2155 2156 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2157 2158 if (mFirstBoot) { 2159 requestCopyPreoptedFiles(); 2160 } 2161 2162 String customResolverActivity = Resources.getSystem().getString( 2163 R.string.config_customResolverActivity); 2164 if (TextUtils.isEmpty(customResolverActivity)) { 2165 customResolverActivity = null; 2166 } else { 2167 mCustomResolverComponentName = ComponentName.unflattenFromString( 2168 customResolverActivity); 2169 } 2170 2171 long startTime = SystemClock.uptimeMillis(); 2172 2173 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2174 startTime); 2175 2176 // Set flag to monitor and not change apk file paths when 2177 // scanning install directories. 2178 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2179 2180 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2181 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2182 2183 if (bootClassPath == null) { 2184 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2185 } 2186 2187 if (systemServerClassPath == null) { 2188 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2189 } 2190 2191 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2192 final String[] dexCodeInstructionSets = 2193 getDexCodeInstructionSets( 2194 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2195 2196 /** 2197 * Ensure all external libraries have had dexopt run on them. 2198 */ 2199 if (mSharedLibraries.size() > 0) { 2200 // NOTE: For now, we're compiling these system "shared libraries" 2201 // (and framework jars) into all available architectures. It's possible 2202 // to compile them only when we come across an app that uses them (there's 2203 // already logic for that in scanPackageLI) but that adds some complexity. 2204 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2205 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2206 final String lib = libEntry.path; 2207 if (lib == null) { 2208 continue; 2209 } 2210 2211 try { 2212 // Shared libraries do not have profiles so we perform a full 2213 // AOT compilation (if needed). 2214 int dexoptNeeded = DexFile.getDexOptNeeded( 2215 lib, dexCodeInstructionSet, 2216 getCompilerFilterForReason(REASON_SHARED_APK), 2217 false /* newProfile */); 2218 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2219 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2220 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2221 getCompilerFilterForReason(REASON_SHARED_APK), 2222 StorageManager.UUID_PRIVATE_INTERNAL, 2223 SKIP_SHARED_LIBRARY_CHECK); 2224 } 2225 } catch (FileNotFoundException e) { 2226 Slog.w(TAG, "Library not found: " + lib); 2227 } catch (IOException | InstallerException e) { 2228 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2229 + e.getMessage()); 2230 } 2231 } 2232 } 2233 } 2234 2235 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2236 2237 final VersionInfo ver = mSettings.getInternalVersion(); 2238 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2239 2240 // when upgrading from pre-M, promote system app permissions from install to runtime 2241 mPromoteSystemApps = 2242 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2243 2244 // When upgrading from pre-N, we need to handle package extraction like first boot, 2245 // as there is no profiling data available. 2246 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2247 2248 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2249 2250 // save off the names of pre-existing system packages prior to scanning; we don't 2251 // want to automatically grant runtime permissions for new system apps 2252 if (mPromoteSystemApps) { 2253 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2254 while (pkgSettingIter.hasNext()) { 2255 PackageSetting ps = pkgSettingIter.next(); 2256 if (isSystemApp(ps)) { 2257 mExistingSystemPackages.add(ps.name); 2258 } 2259 } 2260 } 2261 2262 // Collect vendor overlay packages. 2263 // (Do this before scanning any apps.) 2264 // For security and version matching reason, only consider 2265 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2266 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2267 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2268 | PackageParser.PARSE_IS_SYSTEM 2269 | PackageParser.PARSE_IS_SYSTEM_DIR 2270 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2271 2272 // Find base frameworks (resource packages without code). 2273 scanDirTracedLI(frameworkDir, mDefParseFlags 2274 | PackageParser.PARSE_IS_SYSTEM 2275 | PackageParser.PARSE_IS_SYSTEM_DIR 2276 | PackageParser.PARSE_IS_PRIVILEGED, 2277 scanFlags | SCAN_NO_DEX, 0); 2278 2279 // Collected privileged system packages. 2280 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2281 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2282 | PackageParser.PARSE_IS_SYSTEM 2283 | PackageParser.PARSE_IS_SYSTEM_DIR 2284 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2285 2286 // Collect ordinary system packages. 2287 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2288 scanDirTracedLI(systemAppDir, mDefParseFlags 2289 | PackageParser.PARSE_IS_SYSTEM 2290 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2291 2292 // Collect all vendor packages. 2293 File vendorAppDir = new File("/vendor/app"); 2294 try { 2295 vendorAppDir = vendorAppDir.getCanonicalFile(); 2296 } catch (IOException e) { 2297 // failed to look up canonical path, continue with original one 2298 } 2299 scanDirTracedLI(vendorAppDir, mDefParseFlags 2300 | PackageParser.PARSE_IS_SYSTEM 2301 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2302 2303 // Collect all OEM packages. 2304 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2305 scanDirTracedLI(oemAppDir, mDefParseFlags 2306 | PackageParser.PARSE_IS_SYSTEM 2307 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2308 2309 // Prune any system packages that no longer exist. 2310 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2311 if (!mOnlyCore) { 2312 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2313 while (psit.hasNext()) { 2314 PackageSetting ps = psit.next(); 2315 2316 /* 2317 * If this is not a system app, it can't be a 2318 * disable system app. 2319 */ 2320 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2321 continue; 2322 } 2323 2324 /* 2325 * If the package is scanned, it's not erased. 2326 */ 2327 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2328 if (scannedPkg != null) { 2329 /* 2330 * If the system app is both scanned and in the 2331 * disabled packages list, then it must have been 2332 * added via OTA. Remove it from the currently 2333 * scanned package so the previously user-installed 2334 * application can be scanned. 2335 */ 2336 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2337 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2338 + ps.name + "; removing system app. Last known codePath=" 2339 + ps.codePathString + ", installStatus=" + ps.installStatus 2340 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2341 + scannedPkg.mVersionCode); 2342 removePackageLI(scannedPkg, true); 2343 mExpectingBetter.put(ps.name, ps.codePath); 2344 } 2345 2346 continue; 2347 } 2348 2349 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2350 psit.remove(); 2351 logCriticalInfo(Log.WARN, "System package " + ps.name 2352 + " no longer exists; it's data will be wiped"); 2353 // Actual deletion of code and data will be handled by later 2354 // reconciliation step 2355 } else { 2356 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2357 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2358 possiblyDeletedUpdatedSystemApps.add(ps.name); 2359 } 2360 } 2361 } 2362 } 2363 2364 //look for any incomplete package installations 2365 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2366 for (int i = 0; i < deletePkgsList.size(); i++) { 2367 // Actual deletion of code and data will be handled by later 2368 // reconciliation step 2369 final String packageName = deletePkgsList.get(i).name; 2370 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2371 synchronized (mPackages) { 2372 mSettings.removePackageLPw(packageName); 2373 } 2374 } 2375 2376 //delete tmp files 2377 deleteTempPackageFiles(); 2378 2379 // Remove any shared userIDs that have no associated packages 2380 mSettings.pruneSharedUsersLPw(); 2381 2382 if (!mOnlyCore) { 2383 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2384 SystemClock.uptimeMillis()); 2385 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2386 2387 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2388 | PackageParser.PARSE_FORWARD_LOCK, 2389 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2390 2391 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2392 | PackageParser.PARSE_IS_EPHEMERAL, 2393 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2394 2395 /** 2396 * Remove disable package settings for any updated system 2397 * apps that were removed via an OTA. If they're not a 2398 * previously-updated app, remove them completely. 2399 * Otherwise, just revoke their system-level permissions. 2400 */ 2401 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2402 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2403 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2404 2405 String msg; 2406 if (deletedPkg == null) { 2407 msg = "Updated system package " + deletedAppName 2408 + " no longer exists; it's data will be wiped"; 2409 // Actual deletion of code and data will be handled by later 2410 // reconciliation step 2411 } else { 2412 msg = "Updated system app + " + deletedAppName 2413 + " no longer present; removing system privileges for " 2414 + deletedAppName; 2415 2416 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2417 2418 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2419 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2420 } 2421 logCriticalInfo(Log.WARN, msg); 2422 } 2423 2424 /** 2425 * Make sure all system apps that we expected to appear on 2426 * the userdata partition actually showed up. If they never 2427 * appeared, crawl back and revive the system version. 2428 */ 2429 for (int i = 0; i < mExpectingBetter.size(); i++) { 2430 final String packageName = mExpectingBetter.keyAt(i); 2431 if (!mPackages.containsKey(packageName)) { 2432 final File scanFile = mExpectingBetter.valueAt(i); 2433 2434 logCriticalInfo(Log.WARN, "Expected better " + packageName 2435 + " but never showed up; reverting to system"); 2436 2437 int reparseFlags = mDefParseFlags; 2438 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2439 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2440 | PackageParser.PARSE_IS_SYSTEM_DIR 2441 | PackageParser.PARSE_IS_PRIVILEGED; 2442 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2443 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2444 | PackageParser.PARSE_IS_SYSTEM_DIR; 2445 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2446 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2447 | PackageParser.PARSE_IS_SYSTEM_DIR; 2448 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2449 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2450 | PackageParser.PARSE_IS_SYSTEM_DIR; 2451 } else { 2452 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2453 continue; 2454 } 2455 2456 mSettings.enableSystemPackageLPw(packageName); 2457 2458 try { 2459 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2460 } catch (PackageManagerException e) { 2461 Slog.e(TAG, "Failed to parse original system package: " 2462 + e.getMessage()); 2463 } 2464 } 2465 } 2466 } 2467 mExpectingBetter.clear(); 2468 2469 // Resolve protected action filters. Only the setup wizard is allowed to 2470 // have a high priority filter for these actions. 2471 mSetupWizardPackage = getSetupWizardPackageName(); 2472 if (mProtectedFilters.size() > 0) { 2473 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2474 Slog.i(TAG, "No setup wizard;" 2475 + " All protected intents capped to priority 0"); 2476 } 2477 for (ActivityIntentInfo filter : mProtectedFilters) { 2478 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2479 if (DEBUG_FILTERS) { 2480 Slog.i(TAG, "Found setup wizard;" 2481 + " allow priority " + filter.getPriority() + ";" 2482 + " package: " + filter.activity.info.packageName 2483 + " activity: " + filter.activity.className 2484 + " priority: " + filter.getPriority()); 2485 } 2486 // skip setup wizard; allow it to keep the high priority filter 2487 continue; 2488 } 2489 Slog.w(TAG, "Protected action; cap priority to 0;" 2490 + " package: " + filter.activity.info.packageName 2491 + " activity: " + filter.activity.className 2492 + " origPrio: " + filter.getPriority()); 2493 filter.setPriority(0); 2494 } 2495 } 2496 mDeferProtectedFilters = false; 2497 mProtectedFilters.clear(); 2498 2499 // Now that we know all of the shared libraries, update all clients to have 2500 // the correct library paths. 2501 updateAllSharedLibrariesLPw(); 2502 2503 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2504 // NOTE: We ignore potential failures here during a system scan (like 2505 // the rest of the commands above) because there's precious little we 2506 // can do about it. A settings error is reported, though. 2507 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2508 false /* boot complete */); 2509 } 2510 2511 // Now that we know all the packages we are keeping, 2512 // read and update their last usage times. 2513 mPackageUsage.read(mPackages); 2514 mCompilerStats.read(); 2515 2516 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2517 SystemClock.uptimeMillis()); 2518 Slog.i(TAG, "Time to scan packages: " 2519 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2520 + " seconds"); 2521 2522 // If the platform SDK has changed since the last time we booted, 2523 // we need to re-grant app permission to catch any new ones that 2524 // appear. This is really a hack, and means that apps can in some 2525 // cases get permissions that the user didn't initially explicitly 2526 // allow... it would be nice to have some better way to handle 2527 // this situation. 2528 int updateFlags = UPDATE_PERMISSIONS_ALL; 2529 if (ver.sdkVersion != mSdkVersion) { 2530 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2531 + mSdkVersion + "; regranting permissions for internal storage"); 2532 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2533 } 2534 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2535 ver.sdkVersion = mSdkVersion; 2536 2537 // If this is the first boot or an update from pre-M, and it is a normal 2538 // boot, then we need to initialize the default preferred apps across 2539 // all defined users. 2540 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2541 for (UserInfo user : sUserManager.getUsers(true)) { 2542 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2543 applyFactoryDefaultBrowserLPw(user.id); 2544 primeDomainVerificationsLPw(user.id); 2545 } 2546 } 2547 2548 // Prepare storage for system user really early during boot, 2549 // since core system apps like SettingsProvider and SystemUI 2550 // can't wait for user to start 2551 final int storageFlags; 2552 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2553 storageFlags = StorageManager.FLAG_STORAGE_DE; 2554 } else { 2555 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2556 } 2557 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2558 storageFlags); 2559 2560 // If this is first boot after an OTA, and a normal boot, then 2561 // we need to clear code cache directories. 2562 // Note that we do *not* clear the application profiles. These remain valid 2563 // across OTAs and are used to drive profile verification (post OTA) and 2564 // profile compilation (without waiting to collect a fresh set of profiles). 2565 if (mIsUpgrade && !onlyCore) { 2566 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2567 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2568 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2569 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2570 // No apps are running this early, so no need to freeze 2571 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2572 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2573 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2574 } 2575 } 2576 ver.fingerprint = Build.FINGERPRINT; 2577 } 2578 2579 checkDefaultBrowser(); 2580 2581 // clear only after permissions and other defaults have been updated 2582 mExistingSystemPackages.clear(); 2583 mPromoteSystemApps = false; 2584 2585 // All the changes are done during package scanning. 2586 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2587 2588 // can downgrade to reader 2589 mSettings.writeLPr(); 2590 2591 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2592 // early on (before the package manager declares itself as early) because other 2593 // components in the system server might ask for package contexts for these apps. 2594 // 2595 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2596 // (i.e, that the data partition is unavailable). 2597 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2598 long start = System.nanoTime(); 2599 List<PackageParser.Package> coreApps = new ArrayList<>(); 2600 for (PackageParser.Package pkg : mPackages.values()) { 2601 if (pkg.coreApp) { 2602 coreApps.add(pkg); 2603 } 2604 } 2605 2606 int[] stats = performDexOptUpgrade(coreApps, false, 2607 getCompilerFilterForReason(REASON_CORE_APP)); 2608 2609 final int elapsedTimeSeconds = 2610 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2611 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2612 2613 if (DEBUG_DEXOPT) { 2614 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2615 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2616 } 2617 2618 2619 // TODO: Should we log these stats to tron too ? 2620 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2621 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2622 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2623 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2624 } 2625 2626 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2627 SystemClock.uptimeMillis()); 2628 2629 if (!mOnlyCore) { 2630 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2631 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2632 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2633 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2634 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2635 mIntentFilterVerifierComponent); 2636 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2637 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2638 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2639 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2640 } else { 2641 mRequiredVerifierPackage = null; 2642 mRequiredInstallerPackage = null; 2643 mRequiredUninstallerPackage = null; 2644 mIntentFilterVerifierComponent = null; 2645 mIntentFilterVerifier = null; 2646 mServicesSystemSharedLibraryPackageName = null; 2647 mSharedSystemSharedLibraryPackageName = null; 2648 } 2649 2650 mInstallerService = new PackageInstallerService(context, this); 2651 2652 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2653 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2654 // both the installer and resolver must be present to enable ephemeral 2655 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2656 if (DEBUG_EPHEMERAL) { 2657 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2658 + " installer:" + ephemeralInstallerComponent); 2659 } 2660 mEphemeralResolverComponent = ephemeralResolverComponent; 2661 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2662 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2663 mEphemeralResolverConnection = 2664 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2665 } else { 2666 if (DEBUG_EPHEMERAL) { 2667 final String missingComponent = 2668 (ephemeralResolverComponent == null) 2669 ? (ephemeralInstallerComponent == null) 2670 ? "resolver and installer" 2671 : "resolver" 2672 : "installer"; 2673 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2674 } 2675 mEphemeralResolverComponent = null; 2676 mEphemeralInstallerComponent = null; 2677 mEphemeralResolverConnection = null; 2678 } 2679 2680 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2681 } // synchronized (mPackages) 2682 } // synchronized (mInstallLock) 2683 2684 // Now after opening every single application zip, make sure they 2685 // are all flushed. Not really needed, but keeps things nice and 2686 // tidy. 2687 Runtime.getRuntime().gc(); 2688 2689 // The initial scanning above does many calls into installd while 2690 // holding the mPackages lock, but we're mostly interested in yelling 2691 // once we have a booted system. 2692 mInstaller.setWarnIfHeld(mPackages); 2693 2694 // Expose private service for system components to use. 2695 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2696 } 2697 2698 @Override 2699 public boolean isFirstBoot() { 2700 return mFirstBoot; 2701 } 2702 2703 @Override 2704 public boolean isOnlyCoreApps() { 2705 return mOnlyCore; 2706 } 2707 2708 @Override 2709 public boolean isUpgrade() { 2710 return mIsUpgrade; 2711 } 2712 2713 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2714 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2715 2716 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2717 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2718 UserHandle.USER_SYSTEM); 2719 if (matches.size() == 1) { 2720 return matches.get(0).getComponentInfo().packageName; 2721 } else if (matches.size() == 0) { 2722 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2723 return null; 2724 } 2725 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2726 } 2727 2728 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2729 synchronized (mPackages) { 2730 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2731 if (libraryEntry == null) { 2732 throw new IllegalStateException("Missing required shared library:" + libraryName); 2733 } 2734 return libraryEntry.apk; 2735 } 2736 } 2737 2738 private @NonNull String getRequiredInstallerLPr() { 2739 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2740 intent.addCategory(Intent.CATEGORY_DEFAULT); 2741 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2742 2743 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2744 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2745 UserHandle.USER_SYSTEM); 2746 if (matches.size() == 1) { 2747 ResolveInfo resolveInfo = matches.get(0); 2748 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2749 throw new RuntimeException("The installer must be a privileged app"); 2750 } 2751 return matches.get(0).getComponentInfo().packageName; 2752 } else { 2753 throw new RuntimeException("There must be exactly one installer; found " + matches); 2754 } 2755 } 2756 2757 private @NonNull String getRequiredUninstallerLPr() { 2758 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2759 intent.addCategory(Intent.CATEGORY_DEFAULT); 2760 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2761 2762 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2763 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2764 UserHandle.USER_SYSTEM); 2765 if (resolveInfo == null || 2766 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2767 throw new RuntimeException("There must be exactly one uninstaller; found " 2768 + resolveInfo); 2769 } 2770 return resolveInfo.getComponentInfo().packageName; 2771 } 2772 2773 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2774 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2775 2776 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2777 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2778 UserHandle.USER_SYSTEM); 2779 ResolveInfo best = null; 2780 final int N = matches.size(); 2781 for (int i = 0; i < N; i++) { 2782 final ResolveInfo cur = matches.get(i); 2783 final String packageName = cur.getComponentInfo().packageName; 2784 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2785 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2786 continue; 2787 } 2788 2789 if (best == null || cur.priority > best.priority) { 2790 best = cur; 2791 } 2792 } 2793 2794 if (best != null) { 2795 return best.getComponentInfo().getComponentName(); 2796 } else { 2797 throw new RuntimeException("There must be at least one intent filter verifier"); 2798 } 2799 } 2800 2801 private @Nullable ComponentName getEphemeralResolverLPr() { 2802 final String[] packageArray = 2803 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2804 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2805 if (DEBUG_EPHEMERAL) { 2806 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2807 } 2808 return null; 2809 } 2810 2811 final int resolveFlags = 2812 MATCH_DIRECT_BOOT_AWARE 2813 | MATCH_DIRECT_BOOT_UNAWARE 2814 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2815 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2816 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2817 resolveFlags, UserHandle.USER_SYSTEM); 2818 2819 final int N = resolvers.size(); 2820 if (N == 0) { 2821 if (DEBUG_EPHEMERAL) { 2822 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2823 } 2824 return null; 2825 } 2826 2827 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2828 for (int i = 0; i < N; i++) { 2829 final ResolveInfo info = resolvers.get(i); 2830 2831 if (info.serviceInfo == null) { 2832 continue; 2833 } 2834 2835 final String packageName = info.serviceInfo.packageName; 2836 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2837 if (DEBUG_EPHEMERAL) { 2838 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2839 + " pkg: " + packageName + ", info:" + info); 2840 } 2841 continue; 2842 } 2843 2844 if (DEBUG_EPHEMERAL) { 2845 Slog.v(TAG, "Ephemeral resolver found;" 2846 + " pkg: " + packageName + ", info:" + info); 2847 } 2848 return new ComponentName(packageName, info.serviceInfo.name); 2849 } 2850 if (DEBUG_EPHEMERAL) { 2851 Slog.v(TAG, "Ephemeral resolver NOT found"); 2852 } 2853 return null; 2854 } 2855 2856 private @Nullable ComponentName getEphemeralInstallerLPr() { 2857 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2858 intent.addCategory(Intent.CATEGORY_DEFAULT); 2859 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2860 2861 final int resolveFlags = 2862 MATCH_DIRECT_BOOT_AWARE 2863 | MATCH_DIRECT_BOOT_UNAWARE 2864 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2865 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2866 resolveFlags, UserHandle.USER_SYSTEM); 2867 if (matches.size() == 0) { 2868 return null; 2869 } else if (matches.size() == 1) { 2870 return matches.get(0).getComponentInfo().getComponentName(); 2871 } else { 2872 throw new RuntimeException( 2873 "There must be at most one ephemeral installer; found " + matches); 2874 } 2875 } 2876 2877 private void primeDomainVerificationsLPw(int userId) { 2878 if (DEBUG_DOMAIN_VERIFICATION) { 2879 Slog.d(TAG, "Priming domain verifications in user " + userId); 2880 } 2881 2882 SystemConfig systemConfig = SystemConfig.getInstance(); 2883 ArraySet<String> packages = systemConfig.getLinkedApps(); 2884 ArraySet<String> domains = new ArraySet<String>(); 2885 2886 for (String packageName : packages) { 2887 PackageParser.Package pkg = mPackages.get(packageName); 2888 if (pkg != null) { 2889 if (!pkg.isSystemApp()) { 2890 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2891 continue; 2892 } 2893 2894 domains.clear(); 2895 for (PackageParser.Activity a : pkg.activities) { 2896 for (ActivityIntentInfo filter : a.intents) { 2897 if (hasValidDomains(filter)) { 2898 domains.addAll(filter.getHostsList()); 2899 } 2900 } 2901 } 2902 2903 if (domains.size() > 0) { 2904 if (DEBUG_DOMAIN_VERIFICATION) { 2905 Slog.v(TAG, " + " + packageName); 2906 } 2907 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2908 // state w.r.t. the formal app-linkage "no verification attempted" state; 2909 // and then 'always' in the per-user state actually used for intent resolution. 2910 final IntentFilterVerificationInfo ivi; 2911 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2912 new ArrayList<String>(domains)); 2913 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2914 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2915 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2916 } else { 2917 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2918 + "' does not handle web links"); 2919 } 2920 } else { 2921 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2922 } 2923 } 2924 2925 scheduleWritePackageRestrictionsLocked(userId); 2926 scheduleWriteSettingsLocked(); 2927 } 2928 2929 private void applyFactoryDefaultBrowserLPw(int userId) { 2930 // The default browser app's package name is stored in a string resource, 2931 // with a product-specific overlay used for vendor customization. 2932 String browserPkg = mContext.getResources().getString( 2933 com.android.internal.R.string.default_browser); 2934 if (!TextUtils.isEmpty(browserPkg)) { 2935 // non-empty string => required to be a known package 2936 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2937 if (ps == null) { 2938 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2939 browserPkg = null; 2940 } else { 2941 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2942 } 2943 } 2944 2945 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2946 // default. If there's more than one, just leave everything alone. 2947 if (browserPkg == null) { 2948 calculateDefaultBrowserLPw(userId); 2949 } 2950 } 2951 2952 private void calculateDefaultBrowserLPw(int userId) { 2953 List<String> allBrowsers = resolveAllBrowserApps(userId); 2954 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2955 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2956 } 2957 2958 private List<String> resolveAllBrowserApps(int userId) { 2959 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2960 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2961 PackageManager.MATCH_ALL, userId); 2962 2963 final int count = list.size(); 2964 List<String> result = new ArrayList<String>(count); 2965 for (int i=0; i<count; i++) { 2966 ResolveInfo info = list.get(i); 2967 if (info.activityInfo == null 2968 || !info.handleAllWebDataURI 2969 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2970 || result.contains(info.activityInfo.packageName)) { 2971 continue; 2972 } 2973 result.add(info.activityInfo.packageName); 2974 } 2975 2976 return result; 2977 } 2978 2979 private boolean packageIsBrowser(String packageName, int userId) { 2980 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2981 PackageManager.MATCH_ALL, userId); 2982 final int N = list.size(); 2983 for (int i = 0; i < N; i++) { 2984 ResolveInfo info = list.get(i); 2985 if (packageName.equals(info.activityInfo.packageName)) { 2986 return true; 2987 } 2988 } 2989 return false; 2990 } 2991 2992 private void checkDefaultBrowser() { 2993 final int myUserId = UserHandle.myUserId(); 2994 final String packageName = getDefaultBrowserPackageName(myUserId); 2995 if (packageName != null) { 2996 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2997 if (info == null) { 2998 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2999 synchronized (mPackages) { 3000 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3001 } 3002 } 3003 } 3004 } 3005 3006 @Override 3007 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3008 throws RemoteException { 3009 try { 3010 return super.onTransact(code, data, reply, flags); 3011 } catch (RuntimeException e) { 3012 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3013 Slog.wtf(TAG, "Package Manager Crash", e); 3014 } 3015 throw e; 3016 } 3017 } 3018 3019 static int[] appendInts(int[] cur, int[] add) { 3020 if (add == null) return cur; 3021 if (cur == null) return add; 3022 final int N = add.length; 3023 for (int i=0; i<N; i++) { 3024 cur = appendInt(cur, add[i]); 3025 } 3026 return cur; 3027 } 3028 3029 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3030 if (!sUserManager.exists(userId)) return null; 3031 if (ps == null) { 3032 return null; 3033 } 3034 final PackageParser.Package p = ps.pkg; 3035 if (p == null) { 3036 return null; 3037 } 3038 3039 final PermissionsState permissionsState = ps.getPermissionsState(); 3040 3041 // Compute GIDs only if requested 3042 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3043 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3044 // Compute granted permissions only if package has requested permissions 3045 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3046 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3047 final PackageUserState state = ps.readUserState(userId); 3048 3049 return PackageParser.generatePackageInfo(p, gids, flags, 3050 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3051 } 3052 3053 @Override 3054 public void checkPackageStartable(String packageName, int userId) { 3055 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3056 3057 synchronized (mPackages) { 3058 final PackageSetting ps = mSettings.mPackages.get(packageName); 3059 if (ps == null) { 3060 throw new SecurityException("Package " + packageName + " was not found!"); 3061 } 3062 3063 if (!ps.getInstalled(userId)) { 3064 throw new SecurityException( 3065 "Package " + packageName + " was not installed for user " + userId + "!"); 3066 } 3067 3068 if (mSafeMode && !ps.isSystem()) { 3069 throw new SecurityException("Package " + packageName + " not a system app!"); 3070 } 3071 3072 if (mFrozenPackages.contains(packageName)) { 3073 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3074 } 3075 3076 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3077 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3078 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3079 } 3080 } 3081 } 3082 3083 @Override 3084 public boolean isPackageAvailable(String packageName, int userId) { 3085 if (!sUserManager.exists(userId)) return false; 3086 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3087 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3088 synchronized (mPackages) { 3089 PackageParser.Package p = mPackages.get(packageName); 3090 if (p != null) { 3091 final PackageSetting ps = (PackageSetting) p.mExtras; 3092 if (ps != null) { 3093 final PackageUserState state = ps.readUserState(userId); 3094 if (state != null) { 3095 return PackageParser.isAvailable(state); 3096 } 3097 } 3098 } 3099 } 3100 return false; 3101 } 3102 3103 @Override 3104 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3105 if (!sUserManager.exists(userId)) return null; 3106 flags = updateFlagsForPackage(flags, userId, packageName); 3107 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3108 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3109 // reader 3110 synchronized (mPackages) { 3111 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3112 PackageParser.Package p = null; 3113 if (matchFactoryOnly) { 3114 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3115 if (ps != null) { 3116 return generatePackageInfo(ps, flags, userId); 3117 } 3118 } 3119 if (p == null) { 3120 p = mPackages.get(packageName); 3121 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3122 return null; 3123 } 3124 } 3125 if (DEBUG_PACKAGE_INFO) 3126 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3127 if (p != null) { 3128 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3129 } 3130 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3131 final PackageSetting ps = mSettings.mPackages.get(packageName); 3132 return generatePackageInfo(ps, flags, userId); 3133 } 3134 } 3135 return null; 3136 } 3137 3138 @Override 3139 public String[] currentToCanonicalPackageNames(String[] names) { 3140 String[] out = new String[names.length]; 3141 // reader 3142 synchronized (mPackages) { 3143 for (int i=names.length-1; i>=0; i--) { 3144 PackageSetting ps = mSettings.mPackages.get(names[i]); 3145 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3146 } 3147 } 3148 return out; 3149 } 3150 3151 @Override 3152 public String[] canonicalToCurrentPackageNames(String[] names) { 3153 String[] out = new String[names.length]; 3154 // reader 3155 synchronized (mPackages) { 3156 for (int i=names.length-1; i>=0; i--) { 3157 String cur = mSettings.mRenamedPackages.get(names[i]); 3158 out[i] = cur != null ? cur : names[i]; 3159 } 3160 } 3161 return out; 3162 } 3163 3164 @Override 3165 public int getPackageUid(String packageName, int flags, int userId) { 3166 if (!sUserManager.exists(userId)) return -1; 3167 flags = updateFlagsForPackage(flags, userId, packageName); 3168 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3169 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3170 3171 // reader 3172 synchronized (mPackages) { 3173 final PackageParser.Package p = mPackages.get(packageName); 3174 if (p != null && p.isMatch(flags)) { 3175 return UserHandle.getUid(userId, p.applicationInfo.uid); 3176 } 3177 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3178 final PackageSetting ps = mSettings.mPackages.get(packageName); 3179 if (ps != null && ps.isMatch(flags)) { 3180 return UserHandle.getUid(userId, ps.appId); 3181 } 3182 } 3183 } 3184 3185 return -1; 3186 } 3187 3188 @Override 3189 public int[] getPackageGids(String packageName, int flags, int userId) { 3190 if (!sUserManager.exists(userId)) return null; 3191 flags = updateFlagsForPackage(flags, userId, packageName); 3192 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3193 false /* requireFullPermission */, false /* checkShell */, 3194 "getPackageGids"); 3195 3196 // reader 3197 synchronized (mPackages) { 3198 final PackageParser.Package p = mPackages.get(packageName); 3199 if (p != null && p.isMatch(flags)) { 3200 PackageSetting ps = (PackageSetting) p.mExtras; 3201 return ps.getPermissionsState().computeGids(userId); 3202 } 3203 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3204 final PackageSetting ps = mSettings.mPackages.get(packageName); 3205 if (ps != null && ps.isMatch(flags)) { 3206 return ps.getPermissionsState().computeGids(userId); 3207 } 3208 } 3209 } 3210 3211 return null; 3212 } 3213 3214 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3215 if (bp.perm != null) { 3216 return PackageParser.generatePermissionInfo(bp.perm, flags); 3217 } 3218 PermissionInfo pi = new PermissionInfo(); 3219 pi.name = bp.name; 3220 pi.packageName = bp.sourcePackage; 3221 pi.nonLocalizedLabel = bp.name; 3222 pi.protectionLevel = bp.protectionLevel; 3223 return pi; 3224 } 3225 3226 @Override 3227 public PermissionInfo getPermissionInfo(String name, int flags) { 3228 // reader 3229 synchronized (mPackages) { 3230 final BasePermission p = mSettings.mPermissions.get(name); 3231 if (p != null) { 3232 return generatePermissionInfo(p, flags); 3233 } 3234 return null; 3235 } 3236 } 3237 3238 @Override 3239 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3240 int flags) { 3241 // reader 3242 synchronized (mPackages) { 3243 if (group != null && !mPermissionGroups.containsKey(group)) { 3244 // This is thrown as NameNotFoundException 3245 return null; 3246 } 3247 3248 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3249 for (BasePermission p : mSettings.mPermissions.values()) { 3250 if (group == null) { 3251 if (p.perm == null || p.perm.info.group == null) { 3252 out.add(generatePermissionInfo(p, flags)); 3253 } 3254 } else { 3255 if (p.perm != null && group.equals(p.perm.info.group)) { 3256 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3257 } 3258 } 3259 } 3260 return new ParceledListSlice<>(out); 3261 } 3262 } 3263 3264 @Override 3265 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3266 // reader 3267 synchronized (mPackages) { 3268 return PackageParser.generatePermissionGroupInfo( 3269 mPermissionGroups.get(name), flags); 3270 } 3271 } 3272 3273 @Override 3274 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3275 // reader 3276 synchronized (mPackages) { 3277 final int N = mPermissionGroups.size(); 3278 ArrayList<PermissionGroupInfo> out 3279 = new ArrayList<PermissionGroupInfo>(N); 3280 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3281 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3282 } 3283 return new ParceledListSlice<>(out); 3284 } 3285 } 3286 3287 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3288 int userId) { 3289 if (!sUserManager.exists(userId)) return null; 3290 PackageSetting ps = mSettings.mPackages.get(packageName); 3291 if (ps != null) { 3292 if (ps.pkg == null) { 3293 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3294 if (pInfo != null) { 3295 return pInfo.applicationInfo; 3296 } 3297 return null; 3298 } 3299 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3300 ps.readUserState(userId), userId); 3301 } 3302 return null; 3303 } 3304 3305 @Override 3306 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3307 if (!sUserManager.exists(userId)) return null; 3308 flags = updateFlagsForApplication(flags, userId, packageName); 3309 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3310 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3311 // writer 3312 synchronized (mPackages) { 3313 PackageParser.Package p = mPackages.get(packageName); 3314 if (DEBUG_PACKAGE_INFO) Log.v( 3315 TAG, "getApplicationInfo " + packageName 3316 + ": " + p); 3317 if (p != null) { 3318 PackageSetting ps = mSettings.mPackages.get(packageName); 3319 if (ps == null) return null; 3320 // Note: isEnabledLP() does not apply here - always return info 3321 return PackageParser.generateApplicationInfo( 3322 p, flags, ps.readUserState(userId), userId); 3323 } 3324 if ("android".equals(packageName)||"system".equals(packageName)) { 3325 return mAndroidApplication; 3326 } 3327 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3328 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3329 } 3330 } 3331 return null; 3332 } 3333 3334 @Override 3335 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3336 final IPackageDataObserver observer) { 3337 mContext.enforceCallingOrSelfPermission( 3338 android.Manifest.permission.CLEAR_APP_CACHE, null); 3339 // Queue up an async operation since clearing cache may take a little while. 3340 mHandler.post(new Runnable() { 3341 public void run() { 3342 mHandler.removeCallbacks(this); 3343 boolean success = true; 3344 synchronized (mInstallLock) { 3345 try { 3346 mInstaller.freeCache(volumeUuid, freeStorageSize); 3347 } catch (InstallerException e) { 3348 Slog.w(TAG, "Couldn't clear application caches: " + e); 3349 success = false; 3350 } 3351 } 3352 if (observer != null) { 3353 try { 3354 observer.onRemoveCompleted(null, success); 3355 } catch (RemoteException e) { 3356 Slog.w(TAG, "RemoveException when invoking call back"); 3357 } 3358 } 3359 } 3360 }); 3361 } 3362 3363 @Override 3364 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3365 final IntentSender pi) { 3366 mContext.enforceCallingOrSelfPermission( 3367 android.Manifest.permission.CLEAR_APP_CACHE, null); 3368 // Queue up an async operation since clearing cache may take a little while. 3369 mHandler.post(new Runnable() { 3370 public void run() { 3371 mHandler.removeCallbacks(this); 3372 boolean success = true; 3373 synchronized (mInstallLock) { 3374 try { 3375 mInstaller.freeCache(volumeUuid, freeStorageSize); 3376 } catch (InstallerException e) { 3377 Slog.w(TAG, "Couldn't clear application caches: " + e); 3378 success = false; 3379 } 3380 } 3381 if(pi != null) { 3382 try { 3383 // Callback via pending intent 3384 int code = success ? 1 : 0; 3385 pi.sendIntent(null, code, null, 3386 null, null); 3387 } catch (SendIntentException e1) { 3388 Slog.i(TAG, "Failed to send pending intent"); 3389 } 3390 } 3391 } 3392 }); 3393 } 3394 3395 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3396 synchronized (mInstallLock) { 3397 try { 3398 mInstaller.freeCache(volumeUuid, freeStorageSize); 3399 } catch (InstallerException e) { 3400 throw new IOException("Failed to free enough space", e); 3401 } 3402 } 3403 } 3404 3405 /** 3406 * Update given flags based on encryption status of current user. 3407 */ 3408 private int updateFlags(int flags, int userId) { 3409 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3410 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3411 // Caller expressed an explicit opinion about what encryption 3412 // aware/unaware components they want to see, so fall through and 3413 // give them what they want 3414 } else { 3415 // Caller expressed no opinion, so match based on user state 3416 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3417 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3418 } else { 3419 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3420 } 3421 } 3422 return flags; 3423 } 3424 3425 private UserManagerInternal getUserManagerInternal() { 3426 if (mUserManagerInternal == null) { 3427 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3428 } 3429 return mUserManagerInternal; 3430 } 3431 3432 /** 3433 * Update given flags when being used to request {@link PackageInfo}. 3434 */ 3435 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3436 boolean triaged = true; 3437 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3438 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3439 // Caller is asking for component details, so they'd better be 3440 // asking for specific encryption matching behavior, or be triaged 3441 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3442 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3443 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3444 triaged = false; 3445 } 3446 } 3447 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3448 | PackageManager.MATCH_SYSTEM_ONLY 3449 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3450 triaged = false; 3451 } 3452 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3453 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3454 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3455 } 3456 return updateFlags(flags, userId); 3457 } 3458 3459 /** 3460 * Update given flags when being used to request {@link ApplicationInfo}. 3461 */ 3462 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3463 return updateFlagsForPackage(flags, userId, cookie); 3464 } 3465 3466 /** 3467 * Update given flags when being used to request {@link ComponentInfo}. 3468 */ 3469 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3470 if (cookie instanceof Intent) { 3471 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3472 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3473 } 3474 } 3475 3476 boolean triaged = true; 3477 // Caller is asking for component details, so they'd better be 3478 // asking for specific encryption matching behavior, or be triaged 3479 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3480 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3481 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3482 triaged = false; 3483 } 3484 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3485 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3486 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3487 } 3488 3489 return updateFlags(flags, userId); 3490 } 3491 3492 /** 3493 * Update given flags when being used to request {@link ResolveInfo}. 3494 */ 3495 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3496 // Safe mode means we shouldn't match any third-party components 3497 if (mSafeMode) { 3498 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3499 } 3500 3501 return updateFlagsForComponent(flags, userId, cookie); 3502 } 3503 3504 @Override 3505 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3506 if (!sUserManager.exists(userId)) return null; 3507 flags = updateFlagsForComponent(flags, userId, component); 3508 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3509 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3510 synchronized (mPackages) { 3511 PackageParser.Activity a = mActivities.mActivities.get(component); 3512 3513 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3514 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3515 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3516 if (ps == null) return null; 3517 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3518 userId); 3519 } 3520 if (mResolveComponentName.equals(component)) { 3521 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3522 new PackageUserState(), userId); 3523 } 3524 } 3525 return null; 3526 } 3527 3528 @Override 3529 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3530 String resolvedType) { 3531 synchronized (mPackages) { 3532 if (component.equals(mResolveComponentName)) { 3533 // The resolver supports EVERYTHING! 3534 return true; 3535 } 3536 PackageParser.Activity a = mActivities.mActivities.get(component); 3537 if (a == null) { 3538 return false; 3539 } 3540 for (int i=0; i<a.intents.size(); i++) { 3541 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3542 intent.getData(), intent.getCategories(), TAG) >= 0) { 3543 return true; 3544 } 3545 } 3546 return false; 3547 } 3548 } 3549 3550 @Override 3551 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3552 if (!sUserManager.exists(userId)) return null; 3553 flags = updateFlagsForComponent(flags, userId, component); 3554 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3555 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3556 synchronized (mPackages) { 3557 PackageParser.Activity a = mReceivers.mActivities.get(component); 3558 if (DEBUG_PACKAGE_INFO) Log.v( 3559 TAG, "getReceiverInfo " + component + ": " + a); 3560 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3561 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3562 if (ps == null) return null; 3563 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3564 userId); 3565 } 3566 } 3567 return null; 3568 } 3569 3570 @Override 3571 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3572 if (!sUserManager.exists(userId)) return null; 3573 flags = updateFlagsForComponent(flags, userId, component); 3574 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3575 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3576 synchronized (mPackages) { 3577 PackageParser.Service s = mServices.mServices.get(component); 3578 if (DEBUG_PACKAGE_INFO) Log.v( 3579 TAG, "getServiceInfo " + component + ": " + s); 3580 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3581 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3582 if (ps == null) return null; 3583 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3584 userId); 3585 } 3586 } 3587 return null; 3588 } 3589 3590 @Override 3591 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3592 if (!sUserManager.exists(userId)) return null; 3593 flags = updateFlagsForComponent(flags, userId, component); 3594 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3595 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3596 synchronized (mPackages) { 3597 PackageParser.Provider p = mProviders.mProviders.get(component); 3598 if (DEBUG_PACKAGE_INFO) Log.v( 3599 TAG, "getProviderInfo " + component + ": " + p); 3600 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3601 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3602 if (ps == null) return null; 3603 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3604 userId); 3605 } 3606 } 3607 return null; 3608 } 3609 3610 @Override 3611 public String[] getSystemSharedLibraryNames() { 3612 Set<String> libSet; 3613 synchronized (mPackages) { 3614 libSet = mSharedLibraries.keySet(); 3615 int size = libSet.size(); 3616 if (size > 0) { 3617 String[] libs = new String[size]; 3618 libSet.toArray(libs); 3619 return libs; 3620 } 3621 } 3622 return null; 3623 } 3624 3625 @Override 3626 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3627 synchronized (mPackages) { 3628 return mServicesSystemSharedLibraryPackageName; 3629 } 3630 } 3631 3632 @Override 3633 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3634 synchronized (mPackages) { 3635 return mSharedSystemSharedLibraryPackageName; 3636 } 3637 } 3638 3639 @Override 3640 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3641 synchronized (mPackages) { 3642 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3643 3644 final FeatureInfo fi = new FeatureInfo(); 3645 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3646 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3647 res.add(fi); 3648 3649 return new ParceledListSlice<>(res); 3650 } 3651 } 3652 3653 @Override 3654 public boolean hasSystemFeature(String name, int version) { 3655 synchronized (mPackages) { 3656 final FeatureInfo feat = mAvailableFeatures.get(name); 3657 if (feat == null) { 3658 return false; 3659 } else { 3660 return feat.version >= version; 3661 } 3662 } 3663 } 3664 3665 @Override 3666 public int checkPermission(String permName, String pkgName, int userId) { 3667 if (!sUserManager.exists(userId)) { 3668 return PackageManager.PERMISSION_DENIED; 3669 } 3670 3671 synchronized (mPackages) { 3672 final PackageParser.Package p = mPackages.get(pkgName); 3673 if (p != null && p.mExtras != null) { 3674 final PackageSetting ps = (PackageSetting) p.mExtras; 3675 final PermissionsState permissionsState = ps.getPermissionsState(); 3676 if (permissionsState.hasPermission(permName, userId)) { 3677 return PackageManager.PERMISSION_GRANTED; 3678 } 3679 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3680 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3681 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3682 return PackageManager.PERMISSION_GRANTED; 3683 } 3684 } 3685 } 3686 3687 return PackageManager.PERMISSION_DENIED; 3688 } 3689 3690 @Override 3691 public int checkUidPermission(String permName, int uid) { 3692 final int userId = UserHandle.getUserId(uid); 3693 3694 if (!sUserManager.exists(userId)) { 3695 return PackageManager.PERMISSION_DENIED; 3696 } 3697 3698 synchronized (mPackages) { 3699 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3700 if (obj != null) { 3701 final SettingBase ps = (SettingBase) obj; 3702 final PermissionsState permissionsState = ps.getPermissionsState(); 3703 if (permissionsState.hasPermission(permName, userId)) { 3704 return PackageManager.PERMISSION_GRANTED; 3705 } 3706 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3707 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3708 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3709 return PackageManager.PERMISSION_GRANTED; 3710 } 3711 } else { 3712 ArraySet<String> perms = mSystemPermissions.get(uid); 3713 if (perms != null) { 3714 if (perms.contains(permName)) { 3715 return PackageManager.PERMISSION_GRANTED; 3716 } 3717 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3718 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3719 return PackageManager.PERMISSION_GRANTED; 3720 } 3721 } 3722 } 3723 } 3724 3725 return PackageManager.PERMISSION_DENIED; 3726 } 3727 3728 @Override 3729 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3730 if (UserHandle.getCallingUserId() != userId) { 3731 mContext.enforceCallingPermission( 3732 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3733 "isPermissionRevokedByPolicy for user " + userId); 3734 } 3735 3736 if (checkPermission(permission, packageName, userId) 3737 == PackageManager.PERMISSION_GRANTED) { 3738 return false; 3739 } 3740 3741 final long identity = Binder.clearCallingIdentity(); 3742 try { 3743 final int flags = getPermissionFlags(permission, packageName, userId); 3744 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3745 } finally { 3746 Binder.restoreCallingIdentity(identity); 3747 } 3748 } 3749 3750 @Override 3751 public String getPermissionControllerPackageName() { 3752 synchronized (mPackages) { 3753 return mRequiredInstallerPackage; 3754 } 3755 } 3756 3757 /** 3758 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3759 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3760 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3761 * @param message the message to log on security exception 3762 */ 3763 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3764 boolean checkShell, String message) { 3765 if (userId < 0) { 3766 throw new IllegalArgumentException("Invalid userId " + userId); 3767 } 3768 if (checkShell) { 3769 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3770 } 3771 if (userId == UserHandle.getUserId(callingUid)) return; 3772 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3773 if (requireFullPermission) { 3774 mContext.enforceCallingOrSelfPermission( 3775 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3776 } else { 3777 try { 3778 mContext.enforceCallingOrSelfPermission( 3779 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3780 } catch (SecurityException se) { 3781 mContext.enforceCallingOrSelfPermission( 3782 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3783 } 3784 } 3785 } 3786 } 3787 3788 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3789 if (callingUid == Process.SHELL_UID) { 3790 if (userHandle >= 0 3791 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3792 throw new SecurityException("Shell does not have permission to access user " 3793 + userHandle); 3794 } else if (userHandle < 0) { 3795 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3796 + Debug.getCallers(3)); 3797 } 3798 } 3799 } 3800 3801 private BasePermission findPermissionTreeLP(String permName) { 3802 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3803 if (permName.startsWith(bp.name) && 3804 permName.length() > bp.name.length() && 3805 permName.charAt(bp.name.length()) == '.') { 3806 return bp; 3807 } 3808 } 3809 return null; 3810 } 3811 3812 private BasePermission checkPermissionTreeLP(String permName) { 3813 if (permName != null) { 3814 BasePermission bp = findPermissionTreeLP(permName); 3815 if (bp != null) { 3816 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3817 return bp; 3818 } 3819 throw new SecurityException("Calling uid " 3820 + Binder.getCallingUid() 3821 + " is not allowed to add to permission tree " 3822 + bp.name + " owned by uid " + bp.uid); 3823 } 3824 } 3825 throw new SecurityException("No permission tree found for " + permName); 3826 } 3827 3828 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3829 if (s1 == null) { 3830 return s2 == null; 3831 } 3832 if (s2 == null) { 3833 return false; 3834 } 3835 if (s1.getClass() != s2.getClass()) { 3836 return false; 3837 } 3838 return s1.equals(s2); 3839 } 3840 3841 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3842 if (pi1.icon != pi2.icon) return false; 3843 if (pi1.logo != pi2.logo) return false; 3844 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3845 if (!compareStrings(pi1.name, pi2.name)) return false; 3846 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3847 // We'll take care of setting this one. 3848 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3849 // These are not currently stored in settings. 3850 //if (!compareStrings(pi1.group, pi2.group)) return false; 3851 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3852 //if (pi1.labelRes != pi2.labelRes) return false; 3853 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3854 return true; 3855 } 3856 3857 int permissionInfoFootprint(PermissionInfo info) { 3858 int size = info.name.length(); 3859 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3860 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3861 return size; 3862 } 3863 3864 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3865 int size = 0; 3866 for (BasePermission perm : mSettings.mPermissions.values()) { 3867 if (perm.uid == tree.uid) { 3868 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3869 } 3870 } 3871 return size; 3872 } 3873 3874 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3875 // We calculate the max size of permissions defined by this uid and throw 3876 // if that plus the size of 'info' would exceed our stated maximum. 3877 if (tree.uid != Process.SYSTEM_UID) { 3878 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3879 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3880 throw new SecurityException("Permission tree size cap exceeded"); 3881 } 3882 } 3883 } 3884 3885 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3886 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3887 throw new SecurityException("Label must be specified in permission"); 3888 } 3889 BasePermission tree = checkPermissionTreeLP(info.name); 3890 BasePermission bp = mSettings.mPermissions.get(info.name); 3891 boolean added = bp == null; 3892 boolean changed = true; 3893 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3894 if (added) { 3895 enforcePermissionCapLocked(info, tree); 3896 bp = new BasePermission(info.name, tree.sourcePackage, 3897 BasePermission.TYPE_DYNAMIC); 3898 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3899 throw new SecurityException( 3900 "Not allowed to modify non-dynamic permission " 3901 + info.name); 3902 } else { 3903 if (bp.protectionLevel == fixedLevel 3904 && bp.perm.owner.equals(tree.perm.owner) 3905 && bp.uid == tree.uid 3906 && comparePermissionInfos(bp.perm.info, info)) { 3907 changed = false; 3908 } 3909 } 3910 bp.protectionLevel = fixedLevel; 3911 info = new PermissionInfo(info); 3912 info.protectionLevel = fixedLevel; 3913 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3914 bp.perm.info.packageName = tree.perm.info.packageName; 3915 bp.uid = tree.uid; 3916 if (added) { 3917 mSettings.mPermissions.put(info.name, bp); 3918 } 3919 if (changed) { 3920 if (!async) { 3921 mSettings.writeLPr(); 3922 } else { 3923 scheduleWriteSettingsLocked(); 3924 } 3925 } 3926 return added; 3927 } 3928 3929 @Override 3930 public boolean addPermission(PermissionInfo info) { 3931 synchronized (mPackages) { 3932 return addPermissionLocked(info, false); 3933 } 3934 } 3935 3936 @Override 3937 public boolean addPermissionAsync(PermissionInfo info) { 3938 synchronized (mPackages) { 3939 return addPermissionLocked(info, true); 3940 } 3941 } 3942 3943 @Override 3944 public void removePermission(String name) { 3945 synchronized (mPackages) { 3946 checkPermissionTreeLP(name); 3947 BasePermission bp = mSettings.mPermissions.get(name); 3948 if (bp != null) { 3949 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3950 throw new SecurityException( 3951 "Not allowed to modify non-dynamic permission " 3952 + name); 3953 } 3954 mSettings.mPermissions.remove(name); 3955 mSettings.writeLPr(); 3956 } 3957 } 3958 } 3959 3960 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3961 BasePermission bp) { 3962 int index = pkg.requestedPermissions.indexOf(bp.name); 3963 if (index == -1) { 3964 throw new SecurityException("Package " + pkg.packageName 3965 + " has not requested permission " + bp.name); 3966 } 3967 if (!bp.isRuntime() && !bp.isDevelopment()) { 3968 throw new SecurityException("Permission " + bp.name 3969 + " is not a changeable permission type"); 3970 } 3971 } 3972 3973 @Override 3974 public void grantRuntimePermission(String packageName, String name, final int userId) { 3975 if (!sUserManager.exists(userId)) { 3976 Log.e(TAG, "No such user:" + userId); 3977 return; 3978 } 3979 3980 mContext.enforceCallingOrSelfPermission( 3981 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3982 "grantRuntimePermission"); 3983 3984 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3985 true /* requireFullPermission */, true /* checkShell */, 3986 "grantRuntimePermission"); 3987 3988 final int uid; 3989 final SettingBase sb; 3990 3991 synchronized (mPackages) { 3992 final PackageParser.Package pkg = mPackages.get(packageName); 3993 if (pkg == null) { 3994 throw new IllegalArgumentException("Unknown package: " + packageName); 3995 } 3996 3997 final BasePermission bp = mSettings.mPermissions.get(name); 3998 if (bp == null) { 3999 throw new IllegalArgumentException("Unknown permission: " + name); 4000 } 4001 4002 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4003 4004 // If a permission review is required for legacy apps we represent 4005 // their permissions as always granted runtime ones since we need 4006 // to keep the review required permission flag per user while an 4007 // install permission's state is shared across all users. 4008 if (Build.PERMISSIONS_REVIEW_REQUIRED 4009 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4010 && bp.isRuntime()) { 4011 return; 4012 } 4013 4014 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4015 sb = (SettingBase) pkg.mExtras; 4016 if (sb == null) { 4017 throw new IllegalArgumentException("Unknown package: " + packageName); 4018 } 4019 4020 final PermissionsState permissionsState = sb.getPermissionsState(); 4021 4022 final int flags = permissionsState.getPermissionFlags(name, userId); 4023 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4024 throw new SecurityException("Cannot grant system fixed permission " 4025 + name + " for package " + packageName); 4026 } 4027 4028 if (bp.isDevelopment()) { 4029 // Development permissions must be handled specially, since they are not 4030 // normal runtime permissions. For now they apply to all users. 4031 if (permissionsState.grantInstallPermission(bp) != 4032 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4033 scheduleWriteSettingsLocked(); 4034 } 4035 return; 4036 } 4037 4038 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4039 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4040 return; 4041 } 4042 4043 final int result = permissionsState.grantRuntimePermission(bp, userId); 4044 switch (result) { 4045 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4046 return; 4047 } 4048 4049 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4050 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4051 mHandler.post(new Runnable() { 4052 @Override 4053 public void run() { 4054 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4055 } 4056 }); 4057 } 4058 break; 4059 } 4060 4061 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4062 4063 // Not critical if that is lost - app has to request again. 4064 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4065 } 4066 4067 // Only need to do this if user is initialized. Otherwise it's a new user 4068 // and there are no processes running as the user yet and there's no need 4069 // to make an expensive call to remount processes for the changed permissions. 4070 if (READ_EXTERNAL_STORAGE.equals(name) 4071 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4072 final long token = Binder.clearCallingIdentity(); 4073 try { 4074 if (sUserManager.isInitialized(userId)) { 4075 MountServiceInternal mountServiceInternal = LocalServices.getService( 4076 MountServiceInternal.class); 4077 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4078 } 4079 } finally { 4080 Binder.restoreCallingIdentity(token); 4081 } 4082 } 4083 } 4084 4085 @Override 4086 public void revokeRuntimePermission(String packageName, String name, int userId) { 4087 if (!sUserManager.exists(userId)) { 4088 Log.e(TAG, "No such user:" + userId); 4089 return; 4090 } 4091 4092 mContext.enforceCallingOrSelfPermission( 4093 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4094 "revokeRuntimePermission"); 4095 4096 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4097 true /* requireFullPermission */, true /* checkShell */, 4098 "revokeRuntimePermission"); 4099 4100 final int appId; 4101 4102 synchronized (mPackages) { 4103 final PackageParser.Package pkg = mPackages.get(packageName); 4104 if (pkg == null) { 4105 throw new IllegalArgumentException("Unknown package: " + packageName); 4106 } 4107 4108 final BasePermission bp = mSettings.mPermissions.get(name); 4109 if (bp == null) { 4110 throw new IllegalArgumentException("Unknown permission: " + name); 4111 } 4112 4113 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4114 4115 // If a permission review is required for legacy apps we represent 4116 // their permissions as always granted runtime ones since we need 4117 // to keep the review required permission flag per user while an 4118 // install permission's state is shared across all users. 4119 if (Build.PERMISSIONS_REVIEW_REQUIRED 4120 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4121 && bp.isRuntime()) { 4122 return; 4123 } 4124 4125 SettingBase sb = (SettingBase) pkg.mExtras; 4126 if (sb == null) { 4127 throw new IllegalArgumentException("Unknown package: " + packageName); 4128 } 4129 4130 final PermissionsState permissionsState = sb.getPermissionsState(); 4131 4132 final int flags = permissionsState.getPermissionFlags(name, userId); 4133 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4134 throw new SecurityException("Cannot revoke system fixed permission " 4135 + name + " for package " + packageName); 4136 } 4137 4138 if (bp.isDevelopment()) { 4139 // Development permissions must be handled specially, since they are not 4140 // normal runtime permissions. For now they apply to all users. 4141 if (permissionsState.revokeInstallPermission(bp) != 4142 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4143 scheduleWriteSettingsLocked(); 4144 } 4145 return; 4146 } 4147 4148 if (permissionsState.revokeRuntimePermission(bp, userId) == 4149 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4150 return; 4151 } 4152 4153 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4154 4155 // Critical, after this call app should never have the permission. 4156 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4157 4158 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4159 } 4160 4161 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4162 } 4163 4164 @Override 4165 public void resetRuntimePermissions() { 4166 mContext.enforceCallingOrSelfPermission( 4167 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4168 "revokeRuntimePermission"); 4169 4170 int callingUid = Binder.getCallingUid(); 4171 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4172 mContext.enforceCallingOrSelfPermission( 4173 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4174 "resetRuntimePermissions"); 4175 } 4176 4177 synchronized (mPackages) { 4178 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4179 for (int userId : UserManagerService.getInstance().getUserIds()) { 4180 final int packageCount = mPackages.size(); 4181 for (int i = 0; i < packageCount; i++) { 4182 PackageParser.Package pkg = mPackages.valueAt(i); 4183 if (!(pkg.mExtras instanceof PackageSetting)) { 4184 continue; 4185 } 4186 PackageSetting ps = (PackageSetting) pkg.mExtras; 4187 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4188 } 4189 } 4190 } 4191 } 4192 4193 @Override 4194 public int getPermissionFlags(String name, String packageName, int userId) { 4195 if (!sUserManager.exists(userId)) { 4196 return 0; 4197 } 4198 4199 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4200 4201 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4202 true /* requireFullPermission */, false /* checkShell */, 4203 "getPermissionFlags"); 4204 4205 synchronized (mPackages) { 4206 final PackageParser.Package pkg = mPackages.get(packageName); 4207 if (pkg == null) { 4208 return 0; 4209 } 4210 4211 final BasePermission bp = mSettings.mPermissions.get(name); 4212 if (bp == null) { 4213 return 0; 4214 } 4215 4216 SettingBase sb = (SettingBase) pkg.mExtras; 4217 if (sb == null) { 4218 return 0; 4219 } 4220 4221 PermissionsState permissionsState = sb.getPermissionsState(); 4222 return permissionsState.getPermissionFlags(name, userId); 4223 } 4224 } 4225 4226 @Override 4227 public void updatePermissionFlags(String name, String packageName, int flagMask, 4228 int flagValues, int userId) { 4229 if (!sUserManager.exists(userId)) { 4230 return; 4231 } 4232 4233 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4234 4235 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4236 true /* requireFullPermission */, true /* checkShell */, 4237 "updatePermissionFlags"); 4238 4239 // Only the system can change these flags and nothing else. 4240 if (getCallingUid() != Process.SYSTEM_UID) { 4241 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4242 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4243 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4244 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4245 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4246 } 4247 4248 synchronized (mPackages) { 4249 final PackageParser.Package pkg = mPackages.get(packageName); 4250 if (pkg == null) { 4251 throw new IllegalArgumentException("Unknown package: " + packageName); 4252 } 4253 4254 final BasePermission bp = mSettings.mPermissions.get(name); 4255 if (bp == null) { 4256 throw new IllegalArgumentException("Unknown permission: " + name); 4257 } 4258 4259 SettingBase sb = (SettingBase) pkg.mExtras; 4260 if (sb == null) { 4261 throw new IllegalArgumentException("Unknown package: " + packageName); 4262 } 4263 4264 PermissionsState permissionsState = sb.getPermissionsState(); 4265 4266 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4267 4268 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4269 // Install and runtime permissions are stored in different places, 4270 // so figure out what permission changed and persist the change. 4271 if (permissionsState.getInstallPermissionState(name) != null) { 4272 scheduleWriteSettingsLocked(); 4273 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4274 || hadState) { 4275 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4276 } 4277 } 4278 } 4279 } 4280 4281 /** 4282 * Update the permission flags for all packages and runtime permissions of a user in order 4283 * to allow device or profile owner to remove POLICY_FIXED. 4284 */ 4285 @Override 4286 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4287 if (!sUserManager.exists(userId)) { 4288 return; 4289 } 4290 4291 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4292 4293 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4294 true /* requireFullPermission */, true /* checkShell */, 4295 "updatePermissionFlagsForAllApps"); 4296 4297 // Only the system can change system fixed flags. 4298 if (getCallingUid() != Process.SYSTEM_UID) { 4299 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4300 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4301 } 4302 4303 synchronized (mPackages) { 4304 boolean changed = false; 4305 final int packageCount = mPackages.size(); 4306 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4307 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4308 SettingBase sb = (SettingBase) pkg.mExtras; 4309 if (sb == null) { 4310 continue; 4311 } 4312 PermissionsState permissionsState = sb.getPermissionsState(); 4313 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4314 userId, flagMask, flagValues); 4315 } 4316 if (changed) { 4317 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4318 } 4319 } 4320 } 4321 4322 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4323 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4324 != PackageManager.PERMISSION_GRANTED 4325 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4326 != PackageManager.PERMISSION_GRANTED) { 4327 throw new SecurityException(message + " requires " 4328 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4329 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4330 } 4331 } 4332 4333 @Override 4334 public boolean shouldShowRequestPermissionRationale(String permissionName, 4335 String packageName, int userId) { 4336 if (UserHandle.getCallingUserId() != userId) { 4337 mContext.enforceCallingPermission( 4338 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4339 "canShowRequestPermissionRationale for user " + userId); 4340 } 4341 4342 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4343 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4344 return false; 4345 } 4346 4347 if (checkPermission(permissionName, packageName, userId) 4348 == PackageManager.PERMISSION_GRANTED) { 4349 return false; 4350 } 4351 4352 final int flags; 4353 4354 final long identity = Binder.clearCallingIdentity(); 4355 try { 4356 flags = getPermissionFlags(permissionName, 4357 packageName, userId); 4358 } finally { 4359 Binder.restoreCallingIdentity(identity); 4360 } 4361 4362 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4363 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4364 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4365 4366 if ((flags & fixedFlags) != 0) { 4367 return false; 4368 } 4369 4370 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4371 } 4372 4373 @Override 4374 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4375 mContext.enforceCallingOrSelfPermission( 4376 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4377 "addOnPermissionsChangeListener"); 4378 4379 synchronized (mPackages) { 4380 mOnPermissionChangeListeners.addListenerLocked(listener); 4381 } 4382 } 4383 4384 @Override 4385 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4386 synchronized (mPackages) { 4387 mOnPermissionChangeListeners.removeListenerLocked(listener); 4388 } 4389 } 4390 4391 @Override 4392 public boolean isProtectedBroadcast(String actionName) { 4393 synchronized (mPackages) { 4394 if (mProtectedBroadcasts.contains(actionName)) { 4395 return true; 4396 } else if (actionName != null) { 4397 // TODO: remove these terrible hacks 4398 if (actionName.startsWith("android.net.netmon.lingerExpired") 4399 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4400 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4401 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4402 return true; 4403 } 4404 } 4405 } 4406 return false; 4407 } 4408 4409 @Override 4410 public int checkSignatures(String pkg1, String pkg2) { 4411 synchronized (mPackages) { 4412 final PackageParser.Package p1 = mPackages.get(pkg1); 4413 final PackageParser.Package p2 = mPackages.get(pkg2); 4414 if (p1 == null || p1.mExtras == null 4415 || p2 == null || p2.mExtras == null) { 4416 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4417 } 4418 return compareSignatures(p1.mSignatures, p2.mSignatures); 4419 } 4420 } 4421 4422 @Override 4423 public int checkUidSignatures(int uid1, int uid2) { 4424 // Map to base uids. 4425 uid1 = UserHandle.getAppId(uid1); 4426 uid2 = UserHandle.getAppId(uid2); 4427 // reader 4428 synchronized (mPackages) { 4429 Signature[] s1; 4430 Signature[] s2; 4431 Object obj = mSettings.getUserIdLPr(uid1); 4432 if (obj != null) { 4433 if (obj instanceof SharedUserSetting) { 4434 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4435 } else if (obj instanceof PackageSetting) { 4436 s1 = ((PackageSetting)obj).signatures.mSignatures; 4437 } else { 4438 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4439 } 4440 } else { 4441 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4442 } 4443 obj = mSettings.getUserIdLPr(uid2); 4444 if (obj != null) { 4445 if (obj instanceof SharedUserSetting) { 4446 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4447 } else if (obj instanceof PackageSetting) { 4448 s2 = ((PackageSetting)obj).signatures.mSignatures; 4449 } else { 4450 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4451 } 4452 } else { 4453 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4454 } 4455 return compareSignatures(s1, s2); 4456 } 4457 } 4458 4459 /** 4460 * This method should typically only be used when granting or revoking 4461 * permissions, since the app may immediately restart after this call. 4462 * <p> 4463 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4464 * guard your work against the app being relaunched. 4465 */ 4466 private void killUid(int appId, int userId, String reason) { 4467 final long identity = Binder.clearCallingIdentity(); 4468 try { 4469 IActivityManager am = ActivityManagerNative.getDefault(); 4470 if (am != null) { 4471 try { 4472 am.killUid(appId, userId, reason); 4473 } catch (RemoteException e) { 4474 /* ignore - same process */ 4475 } 4476 } 4477 } finally { 4478 Binder.restoreCallingIdentity(identity); 4479 } 4480 } 4481 4482 /** 4483 * Compares two sets of signatures. Returns: 4484 * <br /> 4485 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4486 * <br /> 4487 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4488 * <br /> 4489 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4490 * <br /> 4491 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4492 * <br /> 4493 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4494 */ 4495 static int compareSignatures(Signature[] s1, Signature[] s2) { 4496 if (s1 == null) { 4497 return s2 == null 4498 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4499 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4500 } 4501 4502 if (s2 == null) { 4503 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4504 } 4505 4506 if (s1.length != s2.length) { 4507 return PackageManager.SIGNATURE_NO_MATCH; 4508 } 4509 4510 // Since both signature sets are of size 1, we can compare without HashSets. 4511 if (s1.length == 1) { 4512 return s1[0].equals(s2[0]) ? 4513 PackageManager.SIGNATURE_MATCH : 4514 PackageManager.SIGNATURE_NO_MATCH; 4515 } 4516 4517 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4518 for (Signature sig : s1) { 4519 set1.add(sig); 4520 } 4521 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4522 for (Signature sig : s2) { 4523 set2.add(sig); 4524 } 4525 // Make sure s2 contains all signatures in s1. 4526 if (set1.equals(set2)) { 4527 return PackageManager.SIGNATURE_MATCH; 4528 } 4529 return PackageManager.SIGNATURE_NO_MATCH; 4530 } 4531 4532 /** 4533 * If the database version for this type of package (internal storage or 4534 * external storage) is less than the version where package signatures 4535 * were updated, return true. 4536 */ 4537 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4538 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4539 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4540 } 4541 4542 /** 4543 * Used for backward compatibility to make sure any packages with 4544 * certificate chains get upgraded to the new style. {@code existingSigs} 4545 * will be in the old format (since they were stored on disk from before the 4546 * system upgrade) and {@code scannedSigs} will be in the newer format. 4547 */ 4548 private int compareSignaturesCompat(PackageSignatures existingSigs, 4549 PackageParser.Package scannedPkg) { 4550 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4551 return PackageManager.SIGNATURE_NO_MATCH; 4552 } 4553 4554 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4555 for (Signature sig : existingSigs.mSignatures) { 4556 existingSet.add(sig); 4557 } 4558 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4559 for (Signature sig : scannedPkg.mSignatures) { 4560 try { 4561 Signature[] chainSignatures = sig.getChainSignatures(); 4562 for (Signature chainSig : chainSignatures) { 4563 scannedCompatSet.add(chainSig); 4564 } 4565 } catch (CertificateEncodingException e) { 4566 scannedCompatSet.add(sig); 4567 } 4568 } 4569 /* 4570 * Make sure the expanded scanned set contains all signatures in the 4571 * existing one. 4572 */ 4573 if (scannedCompatSet.equals(existingSet)) { 4574 // Migrate the old signatures to the new scheme. 4575 existingSigs.assignSignatures(scannedPkg.mSignatures); 4576 // The new KeySets will be re-added later in the scanning process. 4577 synchronized (mPackages) { 4578 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4579 } 4580 return PackageManager.SIGNATURE_MATCH; 4581 } 4582 return PackageManager.SIGNATURE_NO_MATCH; 4583 } 4584 4585 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4586 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4587 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4588 } 4589 4590 private int compareSignaturesRecover(PackageSignatures existingSigs, 4591 PackageParser.Package scannedPkg) { 4592 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4593 return PackageManager.SIGNATURE_NO_MATCH; 4594 } 4595 4596 String msg = null; 4597 try { 4598 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4599 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4600 + scannedPkg.packageName); 4601 return PackageManager.SIGNATURE_MATCH; 4602 } 4603 } catch (CertificateException e) { 4604 msg = e.getMessage(); 4605 } 4606 4607 logCriticalInfo(Log.INFO, 4608 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4609 return PackageManager.SIGNATURE_NO_MATCH; 4610 } 4611 4612 @Override 4613 public List<String> getAllPackages() { 4614 synchronized (mPackages) { 4615 return new ArrayList<String>(mPackages.keySet()); 4616 } 4617 } 4618 4619 @Override 4620 public String[] getPackagesForUid(int uid) { 4621 uid = UserHandle.getAppId(uid); 4622 // reader 4623 synchronized (mPackages) { 4624 Object obj = mSettings.getUserIdLPr(uid); 4625 if (obj instanceof SharedUserSetting) { 4626 final SharedUserSetting sus = (SharedUserSetting) obj; 4627 final int N = sus.packages.size(); 4628 final String[] res = new String[N]; 4629 for (int i = 0; i < N; i++) { 4630 res[i] = sus.packages.valueAt(i).name; 4631 } 4632 return res; 4633 } else if (obj instanceof PackageSetting) { 4634 final PackageSetting ps = (PackageSetting) obj; 4635 return new String[] { ps.name }; 4636 } 4637 } 4638 return null; 4639 } 4640 4641 @Override 4642 public String getNameForUid(int uid) { 4643 // reader 4644 synchronized (mPackages) { 4645 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4646 if (obj instanceof SharedUserSetting) { 4647 final SharedUserSetting sus = (SharedUserSetting) obj; 4648 return sus.name + ":" + sus.userId; 4649 } else if (obj instanceof PackageSetting) { 4650 final PackageSetting ps = (PackageSetting) obj; 4651 return ps.name; 4652 } 4653 } 4654 return null; 4655 } 4656 4657 @Override 4658 public int getUidForSharedUser(String sharedUserName) { 4659 if(sharedUserName == null) { 4660 return -1; 4661 } 4662 // reader 4663 synchronized (mPackages) { 4664 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4665 if (suid == null) { 4666 return -1; 4667 } 4668 return suid.userId; 4669 } 4670 } 4671 4672 @Override 4673 public int getFlagsForUid(int uid) { 4674 synchronized (mPackages) { 4675 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4676 if (obj instanceof SharedUserSetting) { 4677 final SharedUserSetting sus = (SharedUserSetting) obj; 4678 return sus.pkgFlags; 4679 } else if (obj instanceof PackageSetting) { 4680 final PackageSetting ps = (PackageSetting) obj; 4681 return ps.pkgFlags; 4682 } 4683 } 4684 return 0; 4685 } 4686 4687 @Override 4688 public int getPrivateFlagsForUid(int uid) { 4689 synchronized (mPackages) { 4690 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4691 if (obj instanceof SharedUserSetting) { 4692 final SharedUserSetting sus = (SharedUserSetting) obj; 4693 return sus.pkgPrivateFlags; 4694 } else if (obj instanceof PackageSetting) { 4695 final PackageSetting ps = (PackageSetting) obj; 4696 return ps.pkgPrivateFlags; 4697 } 4698 } 4699 return 0; 4700 } 4701 4702 @Override 4703 public boolean isUidPrivileged(int uid) { 4704 uid = UserHandle.getAppId(uid); 4705 // reader 4706 synchronized (mPackages) { 4707 Object obj = mSettings.getUserIdLPr(uid); 4708 if (obj instanceof SharedUserSetting) { 4709 final SharedUserSetting sus = (SharedUserSetting) obj; 4710 final Iterator<PackageSetting> it = sus.packages.iterator(); 4711 while (it.hasNext()) { 4712 if (it.next().isPrivileged()) { 4713 return true; 4714 } 4715 } 4716 } else if (obj instanceof PackageSetting) { 4717 final PackageSetting ps = (PackageSetting) obj; 4718 return ps.isPrivileged(); 4719 } 4720 } 4721 return false; 4722 } 4723 4724 @Override 4725 public String[] getAppOpPermissionPackages(String permissionName) { 4726 synchronized (mPackages) { 4727 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4728 if (pkgs == null) { 4729 return null; 4730 } 4731 return pkgs.toArray(new String[pkgs.size()]); 4732 } 4733 } 4734 4735 @Override 4736 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4737 int flags, int userId) { 4738 try { 4739 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4740 4741 if (!sUserManager.exists(userId)) return null; 4742 flags = updateFlagsForResolve(flags, userId, intent); 4743 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4744 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4745 4746 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4747 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4748 flags, userId); 4749 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4750 4751 final ResolveInfo bestChoice = 4752 chooseBestActivity(intent, resolvedType, flags, query, userId); 4753 return bestChoice; 4754 } finally { 4755 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4756 } 4757 } 4758 4759 @Override 4760 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4761 IntentFilter filter, int match, ComponentName activity) { 4762 final int userId = UserHandle.getCallingUserId(); 4763 if (DEBUG_PREFERRED) { 4764 Log.v(TAG, "setLastChosenActivity intent=" + intent 4765 + " resolvedType=" + resolvedType 4766 + " flags=" + flags 4767 + " filter=" + filter 4768 + " match=" + match 4769 + " activity=" + activity); 4770 filter.dump(new PrintStreamPrinter(System.out), " "); 4771 } 4772 intent.setComponent(null); 4773 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4774 userId); 4775 // Find any earlier preferred or last chosen entries and nuke them 4776 findPreferredActivity(intent, resolvedType, 4777 flags, query, 0, false, true, false, userId); 4778 // Add the new activity as the last chosen for this filter 4779 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4780 "Setting last chosen"); 4781 } 4782 4783 @Override 4784 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4785 final int userId = UserHandle.getCallingUserId(); 4786 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4787 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4788 userId); 4789 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4790 false, false, false, userId); 4791 } 4792 4793 private boolean isEphemeralDisabled() { 4794 // ephemeral apps have been disabled across the board 4795 if (DISABLE_EPHEMERAL_APPS) { 4796 return true; 4797 } 4798 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4799 if (!mSystemReady) { 4800 return true; 4801 } 4802 return Secure.getInt(mContext.getContentResolver(), Secure.WEB_ACTION_ENABLED, 1) == 0; 4803 } 4804 4805 private boolean isEphemeralAllowed( 4806 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4807 boolean skipPackageCheck) { 4808 // Short circuit and return early if possible. 4809 if (isEphemeralDisabled()) { 4810 return false; 4811 } 4812 final int callingUser = UserHandle.getCallingUserId(); 4813 if (callingUser != UserHandle.USER_SYSTEM) { 4814 return false; 4815 } 4816 if (mEphemeralResolverConnection == null) { 4817 return false; 4818 } 4819 if (intent.getComponent() != null) { 4820 return false; 4821 } 4822 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4823 return false; 4824 } 4825 if (!skipPackageCheck && intent.getPackage() != null) { 4826 return false; 4827 } 4828 final boolean isWebUri = hasWebURI(intent); 4829 if (!isWebUri || intent.getData().getHost() == null) { 4830 return false; 4831 } 4832 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4833 synchronized (mPackages) { 4834 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4835 for (int n = 0; n < count; n++) { 4836 ResolveInfo info = resolvedActivities.get(n); 4837 String packageName = info.activityInfo.packageName; 4838 PackageSetting ps = mSettings.mPackages.get(packageName); 4839 if (ps != null) { 4840 // Try to get the status from User settings first 4841 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4842 int status = (int) (packedStatus >> 32); 4843 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4844 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4845 if (DEBUG_EPHEMERAL) { 4846 Slog.v(TAG, "DENY ephemeral apps;" 4847 + " pkg: " + packageName + ", status: " + status); 4848 } 4849 return false; 4850 } 4851 } 4852 } 4853 } 4854 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4855 return true; 4856 } 4857 4858 private static EphemeralResolveInfo getEphemeralResolveInfo( 4859 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4860 String resolvedType, int userId, String packageName) { 4861 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4862 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4863 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4864 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4865 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4866 ephemeralPrefixCount); 4867 final int[] shaPrefix = digest.getDigestPrefix(); 4868 final byte[][] digestBytes = digest.getDigestBytes(); 4869 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4870 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4871 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4872 // No hash prefix match; there are no ephemeral apps for this domain. 4873 return null; 4874 } 4875 4876 // Go in reverse order so we match the narrowest scope first. 4877 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4878 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4879 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4880 continue; 4881 } 4882 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4883 // No filters; this should never happen. 4884 if (filters.isEmpty()) { 4885 continue; 4886 } 4887 if (packageName != null 4888 && !packageName.equals(ephemeralApplication.getPackageName())) { 4889 continue; 4890 } 4891 // We have a domain match; resolve the filters to see if anything matches. 4892 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4893 for (int j = filters.size() - 1; j >= 0; --j) { 4894 final EphemeralResolveIntentInfo intentInfo = 4895 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4896 ephemeralResolver.addFilter(intentInfo); 4897 } 4898 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4899 intent, resolvedType, false /*defaultOnly*/, userId); 4900 if (!matchedResolveInfoList.isEmpty()) { 4901 return matchedResolveInfoList.get(0); 4902 } 4903 } 4904 } 4905 // Hash or filter mis-match; no ephemeral apps for this domain. 4906 return null; 4907 } 4908 4909 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4910 int flags, List<ResolveInfo> query, int userId) { 4911 if (query != null) { 4912 final int N = query.size(); 4913 if (N == 1) { 4914 return query.get(0); 4915 } else if (N > 1) { 4916 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4917 // If there is more than one activity with the same priority, 4918 // then let the user decide between them. 4919 ResolveInfo r0 = query.get(0); 4920 ResolveInfo r1 = query.get(1); 4921 if (DEBUG_INTENT_MATCHING || debug) { 4922 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4923 + r1.activityInfo.name + "=" + r1.priority); 4924 } 4925 // If the first activity has a higher priority, or a different 4926 // default, then it is always desirable to pick it. 4927 if (r0.priority != r1.priority 4928 || r0.preferredOrder != r1.preferredOrder 4929 || r0.isDefault != r1.isDefault) { 4930 return query.get(0); 4931 } 4932 // If we have saved a preference for a preferred activity for 4933 // this Intent, use that. 4934 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4935 flags, query, r0.priority, true, false, debug, userId); 4936 if (ri != null) { 4937 return ri; 4938 } 4939 ri = new ResolveInfo(mResolveInfo); 4940 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4941 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4942 // If all of the options come from the same package, show the application's 4943 // label and icon instead of the generic resolver's. 4944 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4945 // and then throw away the ResolveInfo itself, meaning that the caller loses 4946 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4947 // a fallback for this case; we only set the target package's resources on 4948 // the ResolveInfo, not the ActivityInfo. 4949 final String intentPackage = intent.getPackage(); 4950 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4951 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4952 ri.resolvePackageName = intentPackage; 4953 if (userNeedsBadging(userId)) { 4954 ri.noResourceId = true; 4955 } else { 4956 ri.icon = appi.icon; 4957 } 4958 ri.iconResourceId = appi.icon; 4959 ri.labelRes = appi.labelRes; 4960 } 4961 ri.activityInfo.applicationInfo = new ApplicationInfo( 4962 ri.activityInfo.applicationInfo); 4963 if (userId != 0) { 4964 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4965 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4966 } 4967 // Make sure that the resolver is displayable in car mode 4968 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4969 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4970 return ri; 4971 } 4972 } 4973 return null; 4974 } 4975 4976 /** 4977 * Return true if the given list is not empty and all of its contents have 4978 * an activityInfo with the given package name. 4979 */ 4980 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4981 if (ArrayUtils.isEmpty(list)) { 4982 return false; 4983 } 4984 for (int i = 0, N = list.size(); i < N; i++) { 4985 final ResolveInfo ri = list.get(i); 4986 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4987 if (ai == null || !packageName.equals(ai.packageName)) { 4988 return false; 4989 } 4990 } 4991 return true; 4992 } 4993 4994 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4995 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4996 final int N = query.size(); 4997 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4998 .get(userId); 4999 // Get the list of persistent preferred activities that handle the intent 5000 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5001 List<PersistentPreferredActivity> pprefs = ppir != null 5002 ? ppir.queryIntent(intent, resolvedType, 5003 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5004 : null; 5005 if (pprefs != null && pprefs.size() > 0) { 5006 final int M = pprefs.size(); 5007 for (int i=0; i<M; i++) { 5008 final PersistentPreferredActivity ppa = pprefs.get(i); 5009 if (DEBUG_PREFERRED || debug) { 5010 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5011 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5012 + "\n component=" + ppa.mComponent); 5013 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5014 } 5015 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5016 flags | MATCH_DISABLED_COMPONENTS, userId); 5017 if (DEBUG_PREFERRED || debug) { 5018 Slog.v(TAG, "Found persistent preferred activity:"); 5019 if (ai != null) { 5020 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5021 } else { 5022 Slog.v(TAG, " null"); 5023 } 5024 } 5025 if (ai == null) { 5026 // This previously registered persistent preferred activity 5027 // component is no longer known. Ignore it and do NOT remove it. 5028 continue; 5029 } 5030 for (int j=0; j<N; j++) { 5031 final ResolveInfo ri = query.get(j); 5032 if (!ri.activityInfo.applicationInfo.packageName 5033 .equals(ai.applicationInfo.packageName)) { 5034 continue; 5035 } 5036 if (!ri.activityInfo.name.equals(ai.name)) { 5037 continue; 5038 } 5039 // Found a persistent preference that can handle the intent. 5040 if (DEBUG_PREFERRED || debug) { 5041 Slog.v(TAG, "Returning persistent preferred activity: " + 5042 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5043 } 5044 return ri; 5045 } 5046 } 5047 } 5048 return null; 5049 } 5050 5051 // TODO: handle preferred activities missing while user has amnesia 5052 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5053 List<ResolveInfo> query, int priority, boolean always, 5054 boolean removeMatches, boolean debug, int userId) { 5055 if (!sUserManager.exists(userId)) return null; 5056 flags = updateFlagsForResolve(flags, userId, intent); 5057 // writer 5058 synchronized (mPackages) { 5059 if (intent.getSelector() != null) { 5060 intent = intent.getSelector(); 5061 } 5062 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5063 5064 // Try to find a matching persistent preferred activity. 5065 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5066 debug, userId); 5067 5068 // If a persistent preferred activity matched, use it. 5069 if (pri != null) { 5070 return pri; 5071 } 5072 5073 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5074 // Get the list of preferred activities that handle the intent 5075 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5076 List<PreferredActivity> prefs = pir != null 5077 ? pir.queryIntent(intent, resolvedType, 5078 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5079 : null; 5080 if (prefs != null && prefs.size() > 0) { 5081 boolean changed = false; 5082 try { 5083 // First figure out how good the original match set is. 5084 // We will only allow preferred activities that came 5085 // from the same match quality. 5086 int match = 0; 5087 5088 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5089 5090 final int N = query.size(); 5091 for (int j=0; j<N; j++) { 5092 final ResolveInfo ri = query.get(j); 5093 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5094 + ": 0x" + Integer.toHexString(match)); 5095 if (ri.match > match) { 5096 match = ri.match; 5097 } 5098 } 5099 5100 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5101 + Integer.toHexString(match)); 5102 5103 match &= IntentFilter.MATCH_CATEGORY_MASK; 5104 final int M = prefs.size(); 5105 for (int i=0; i<M; i++) { 5106 final PreferredActivity pa = prefs.get(i); 5107 if (DEBUG_PREFERRED || debug) { 5108 Slog.v(TAG, "Checking PreferredActivity ds=" 5109 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5110 + "\n component=" + pa.mPref.mComponent); 5111 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5112 } 5113 if (pa.mPref.mMatch != match) { 5114 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5115 + Integer.toHexString(pa.mPref.mMatch)); 5116 continue; 5117 } 5118 // If it's not an "always" type preferred activity and that's what we're 5119 // looking for, skip it. 5120 if (always && !pa.mPref.mAlways) { 5121 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5122 continue; 5123 } 5124 final ActivityInfo ai = getActivityInfo( 5125 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5126 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5127 userId); 5128 if (DEBUG_PREFERRED || debug) { 5129 Slog.v(TAG, "Found preferred activity:"); 5130 if (ai != null) { 5131 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5132 } else { 5133 Slog.v(TAG, " null"); 5134 } 5135 } 5136 if (ai == null) { 5137 // This previously registered preferred activity 5138 // component is no longer known. Most likely an update 5139 // to the app was installed and in the new version this 5140 // component no longer exists. Clean it up by removing 5141 // it from the preferred activities list, and skip it. 5142 Slog.w(TAG, "Removing dangling preferred activity: " 5143 + pa.mPref.mComponent); 5144 pir.removeFilter(pa); 5145 changed = true; 5146 continue; 5147 } 5148 for (int j=0; j<N; j++) { 5149 final ResolveInfo ri = query.get(j); 5150 if (!ri.activityInfo.applicationInfo.packageName 5151 .equals(ai.applicationInfo.packageName)) { 5152 continue; 5153 } 5154 if (!ri.activityInfo.name.equals(ai.name)) { 5155 continue; 5156 } 5157 5158 if (removeMatches) { 5159 pir.removeFilter(pa); 5160 changed = true; 5161 if (DEBUG_PREFERRED) { 5162 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5163 } 5164 break; 5165 } 5166 5167 // Okay we found a previously set preferred or last chosen app. 5168 // If the result set is different from when this 5169 // was created, we need to clear it and re-ask the 5170 // user their preference, if we're looking for an "always" type entry. 5171 if (always && !pa.mPref.sameSet(query)) { 5172 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5173 + intent + " type " + resolvedType); 5174 if (DEBUG_PREFERRED) { 5175 Slog.v(TAG, "Removing preferred activity since set changed " 5176 + pa.mPref.mComponent); 5177 } 5178 pir.removeFilter(pa); 5179 // Re-add the filter as a "last chosen" entry (!always) 5180 PreferredActivity lastChosen = new PreferredActivity( 5181 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5182 pir.addFilter(lastChosen); 5183 changed = true; 5184 return null; 5185 } 5186 5187 // Yay! Either the set matched or we're looking for the last chosen 5188 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5189 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5190 return ri; 5191 } 5192 } 5193 } finally { 5194 if (changed) { 5195 if (DEBUG_PREFERRED) { 5196 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5197 } 5198 scheduleWritePackageRestrictionsLocked(userId); 5199 } 5200 } 5201 } 5202 } 5203 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5204 return null; 5205 } 5206 5207 /* 5208 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5209 */ 5210 @Override 5211 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5212 int targetUserId) { 5213 mContext.enforceCallingOrSelfPermission( 5214 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5215 List<CrossProfileIntentFilter> matches = 5216 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5217 if (matches != null) { 5218 int size = matches.size(); 5219 for (int i = 0; i < size; i++) { 5220 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5221 } 5222 } 5223 if (hasWebURI(intent)) { 5224 // cross-profile app linking works only towards the parent. 5225 final UserInfo parent = getProfileParent(sourceUserId); 5226 synchronized(mPackages) { 5227 int flags = updateFlagsForResolve(0, parent.id, intent); 5228 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5229 intent, resolvedType, flags, sourceUserId, parent.id); 5230 return xpDomainInfo != null; 5231 } 5232 } 5233 return false; 5234 } 5235 5236 private UserInfo getProfileParent(int userId) { 5237 final long identity = Binder.clearCallingIdentity(); 5238 try { 5239 return sUserManager.getProfileParent(userId); 5240 } finally { 5241 Binder.restoreCallingIdentity(identity); 5242 } 5243 } 5244 5245 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5246 String resolvedType, int userId) { 5247 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5248 if (resolver != null) { 5249 return resolver.queryIntent(intent, resolvedType, false, userId); 5250 } 5251 return null; 5252 } 5253 5254 @Override 5255 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5256 String resolvedType, int flags, int userId) { 5257 try { 5258 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5259 5260 return new ParceledListSlice<>( 5261 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5262 } finally { 5263 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5264 } 5265 } 5266 5267 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5268 String resolvedType, int flags, int userId) { 5269 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5270 flags = updateFlagsForResolve(flags, userId, intent); 5271 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5272 false /* requireFullPermission */, false /* checkShell */, 5273 "query intent activities"); 5274 ComponentName comp = intent.getComponent(); 5275 if (comp == null) { 5276 if (intent.getSelector() != null) { 5277 intent = intent.getSelector(); 5278 comp = intent.getComponent(); 5279 } 5280 } 5281 5282 if (comp != null) { 5283 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5284 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5285 if (ai != null) { 5286 final ResolveInfo ri = new ResolveInfo(); 5287 ri.activityInfo = ai; 5288 list.add(ri); 5289 } 5290 return list; 5291 } 5292 5293 // reader 5294 boolean sortResult = false; 5295 boolean addEphemeral = false; 5296 boolean matchEphemeralPackage = false; 5297 List<ResolveInfo> result; 5298 final String pkgName = intent.getPackage(); 5299 synchronized (mPackages) { 5300 if (pkgName == null) { 5301 List<CrossProfileIntentFilter> matchingFilters = 5302 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5303 // Check for results that need to skip the current profile. 5304 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5305 resolvedType, flags, userId); 5306 if (xpResolveInfo != null) { 5307 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5308 xpResult.add(xpResolveInfo); 5309 return filterIfNotSystemUser(xpResult, userId); 5310 } 5311 5312 // Check for results in the current profile. 5313 result = filterIfNotSystemUser(mActivities.queryIntent( 5314 intent, resolvedType, flags, userId), userId); 5315 addEphemeral = 5316 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5317 5318 // Check for cross profile results. 5319 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5320 xpResolveInfo = queryCrossProfileIntents( 5321 matchingFilters, intent, resolvedType, flags, userId, 5322 hasNonNegativePriorityResult); 5323 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5324 boolean isVisibleToUser = filterIfNotSystemUser( 5325 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5326 if (isVisibleToUser) { 5327 result.add(xpResolveInfo); 5328 sortResult = true; 5329 } 5330 } 5331 if (hasWebURI(intent)) { 5332 CrossProfileDomainInfo xpDomainInfo = null; 5333 final UserInfo parent = getProfileParent(userId); 5334 if (parent != null) { 5335 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5336 flags, userId, parent.id); 5337 } 5338 if (xpDomainInfo != null) { 5339 if (xpResolveInfo != null) { 5340 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5341 // in the result. 5342 result.remove(xpResolveInfo); 5343 } 5344 if (result.size() == 0 && !addEphemeral) { 5345 result.add(xpDomainInfo.resolveInfo); 5346 return result; 5347 } 5348 } 5349 if (result.size() > 1 || addEphemeral) { 5350 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5351 intent, flags, result, xpDomainInfo, userId); 5352 sortResult = true; 5353 } 5354 } 5355 } else { 5356 final PackageParser.Package pkg = mPackages.get(pkgName); 5357 if (pkg != null) { 5358 result = filterIfNotSystemUser( 5359 mActivities.queryIntentForPackage( 5360 intent, resolvedType, flags, pkg.activities, userId), 5361 userId); 5362 } else { 5363 // the caller wants to resolve for a particular package; however, there 5364 // were no installed results, so, try to find an ephemeral result 5365 addEphemeral = isEphemeralAllowed( 5366 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5367 matchEphemeralPackage = true; 5368 result = new ArrayList<ResolveInfo>(); 5369 } 5370 } 5371 } 5372 if (addEphemeral) { 5373 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5374 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5375 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5376 matchEphemeralPackage ? pkgName : null); 5377 if (ai != null) { 5378 if (DEBUG_EPHEMERAL) { 5379 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5380 } 5381 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5382 ephemeralInstaller.ephemeralResolveInfo = ai; 5383 // make sure this resolver is the default 5384 ephemeralInstaller.isDefault = true; 5385 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5386 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5387 // add a non-generic filter 5388 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5389 ephemeralInstaller.filter.addDataPath( 5390 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5391 result.add(ephemeralInstaller); 5392 } 5393 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5394 } 5395 if (sortResult) { 5396 Collections.sort(result, mResolvePrioritySorter); 5397 } 5398 return result; 5399 } 5400 5401 private static class CrossProfileDomainInfo { 5402 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5403 ResolveInfo resolveInfo; 5404 /* Best domain verification status of the activities found in the other profile */ 5405 int bestDomainVerificationStatus; 5406 } 5407 5408 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5409 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5410 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5411 sourceUserId)) { 5412 return null; 5413 } 5414 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5415 resolvedType, flags, parentUserId); 5416 5417 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5418 return null; 5419 } 5420 CrossProfileDomainInfo result = null; 5421 int size = resultTargetUser.size(); 5422 for (int i = 0; i < size; i++) { 5423 ResolveInfo riTargetUser = resultTargetUser.get(i); 5424 // Intent filter verification is only for filters that specify a host. So don't return 5425 // those that handle all web uris. 5426 if (riTargetUser.handleAllWebDataURI) { 5427 continue; 5428 } 5429 String packageName = riTargetUser.activityInfo.packageName; 5430 PackageSetting ps = mSettings.mPackages.get(packageName); 5431 if (ps == null) { 5432 continue; 5433 } 5434 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5435 int status = (int)(verificationState >> 32); 5436 if (result == null) { 5437 result = new CrossProfileDomainInfo(); 5438 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5439 sourceUserId, parentUserId); 5440 result.bestDomainVerificationStatus = status; 5441 } else { 5442 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5443 result.bestDomainVerificationStatus); 5444 } 5445 } 5446 // Don't consider matches with status NEVER across profiles. 5447 if (result != null && result.bestDomainVerificationStatus 5448 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5449 return null; 5450 } 5451 return result; 5452 } 5453 5454 /** 5455 * Verification statuses are ordered from the worse to the best, except for 5456 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5457 */ 5458 private int bestDomainVerificationStatus(int status1, int status2) { 5459 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5460 return status2; 5461 } 5462 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5463 return status1; 5464 } 5465 return (int) MathUtils.max(status1, status2); 5466 } 5467 5468 private boolean isUserEnabled(int userId) { 5469 long callingId = Binder.clearCallingIdentity(); 5470 try { 5471 UserInfo userInfo = sUserManager.getUserInfo(userId); 5472 return userInfo != null && userInfo.isEnabled(); 5473 } finally { 5474 Binder.restoreCallingIdentity(callingId); 5475 } 5476 } 5477 5478 /** 5479 * Filter out activities with systemUserOnly flag set, when current user is not System. 5480 * 5481 * @return filtered list 5482 */ 5483 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5484 if (userId == UserHandle.USER_SYSTEM) { 5485 return resolveInfos; 5486 } 5487 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5488 ResolveInfo info = resolveInfos.get(i); 5489 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5490 resolveInfos.remove(i); 5491 } 5492 } 5493 return resolveInfos; 5494 } 5495 5496 /** 5497 * @param resolveInfos list of resolve infos in descending priority order 5498 * @return if the list contains a resolve info with non-negative priority 5499 */ 5500 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5501 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5502 } 5503 5504 private static boolean hasWebURI(Intent intent) { 5505 if (intent.getData() == null) { 5506 return false; 5507 } 5508 final String scheme = intent.getScheme(); 5509 if (TextUtils.isEmpty(scheme)) { 5510 return false; 5511 } 5512 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5513 } 5514 5515 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5516 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5517 int userId) { 5518 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5519 5520 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5521 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5522 candidates.size()); 5523 } 5524 5525 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5526 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5527 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5528 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5529 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5530 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5531 5532 synchronized (mPackages) { 5533 final int count = candidates.size(); 5534 // First, try to use linked apps. Partition the candidates into four lists: 5535 // one for the final results, one for the "do not use ever", one for "undefined status" 5536 // and finally one for "browser app type". 5537 for (int n=0; n<count; n++) { 5538 ResolveInfo info = candidates.get(n); 5539 String packageName = info.activityInfo.packageName; 5540 PackageSetting ps = mSettings.mPackages.get(packageName); 5541 if (ps != null) { 5542 // Add to the special match all list (Browser use case) 5543 if (info.handleAllWebDataURI) { 5544 matchAllList.add(info); 5545 continue; 5546 } 5547 // Try to get the status from User settings first 5548 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5549 int status = (int)(packedStatus >> 32); 5550 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5551 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5552 if (DEBUG_DOMAIN_VERIFICATION) { 5553 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5554 + " : linkgen=" + linkGeneration); 5555 } 5556 // Use link-enabled generation as preferredOrder, i.e. 5557 // prefer newly-enabled over earlier-enabled. 5558 info.preferredOrder = linkGeneration; 5559 alwaysList.add(info); 5560 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5561 if (DEBUG_DOMAIN_VERIFICATION) { 5562 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5563 } 5564 neverList.add(info); 5565 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5566 if (DEBUG_DOMAIN_VERIFICATION) { 5567 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5568 } 5569 alwaysAskList.add(info); 5570 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5571 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5572 if (DEBUG_DOMAIN_VERIFICATION) { 5573 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5574 } 5575 undefinedList.add(info); 5576 } 5577 } 5578 } 5579 5580 // We'll want to include browser possibilities in a few cases 5581 boolean includeBrowser = false; 5582 5583 // First try to add the "always" resolution(s) for the current user, if any 5584 if (alwaysList.size() > 0) { 5585 result.addAll(alwaysList); 5586 } else { 5587 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5588 result.addAll(undefinedList); 5589 // Maybe add one for the other profile. 5590 if (xpDomainInfo != null && ( 5591 xpDomainInfo.bestDomainVerificationStatus 5592 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5593 result.add(xpDomainInfo.resolveInfo); 5594 } 5595 includeBrowser = true; 5596 } 5597 5598 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5599 // If there were 'always' entries their preferred order has been set, so we also 5600 // back that off to make the alternatives equivalent 5601 if (alwaysAskList.size() > 0) { 5602 for (ResolveInfo i : result) { 5603 i.preferredOrder = 0; 5604 } 5605 result.addAll(alwaysAskList); 5606 includeBrowser = true; 5607 } 5608 5609 if (includeBrowser) { 5610 // Also add browsers (all of them or only the default one) 5611 if (DEBUG_DOMAIN_VERIFICATION) { 5612 Slog.v(TAG, " ...including browsers in candidate set"); 5613 } 5614 if ((matchFlags & MATCH_ALL) != 0) { 5615 result.addAll(matchAllList); 5616 } else { 5617 // Browser/generic handling case. If there's a default browser, go straight 5618 // to that (but only if there is no other higher-priority match). 5619 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5620 int maxMatchPrio = 0; 5621 ResolveInfo defaultBrowserMatch = null; 5622 final int numCandidates = matchAllList.size(); 5623 for (int n = 0; n < numCandidates; n++) { 5624 ResolveInfo info = matchAllList.get(n); 5625 // track the highest overall match priority... 5626 if (info.priority > maxMatchPrio) { 5627 maxMatchPrio = info.priority; 5628 } 5629 // ...and the highest-priority default browser match 5630 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5631 if (defaultBrowserMatch == null 5632 || (defaultBrowserMatch.priority < info.priority)) { 5633 if (debug) { 5634 Slog.v(TAG, "Considering default browser match " + info); 5635 } 5636 defaultBrowserMatch = info; 5637 } 5638 } 5639 } 5640 if (defaultBrowserMatch != null 5641 && defaultBrowserMatch.priority >= maxMatchPrio 5642 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5643 { 5644 if (debug) { 5645 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5646 } 5647 result.add(defaultBrowserMatch); 5648 } else { 5649 result.addAll(matchAllList); 5650 } 5651 } 5652 5653 // If there is nothing selected, add all candidates and remove the ones that the user 5654 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5655 if (result.size() == 0) { 5656 result.addAll(candidates); 5657 result.removeAll(neverList); 5658 } 5659 } 5660 } 5661 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5662 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5663 result.size()); 5664 for (ResolveInfo info : result) { 5665 Slog.v(TAG, " + " + info.activityInfo); 5666 } 5667 } 5668 return result; 5669 } 5670 5671 // Returns a packed value as a long: 5672 // 5673 // high 'int'-sized word: link status: undefined/ask/never/always. 5674 // low 'int'-sized word: relative priority among 'always' results. 5675 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5676 long result = ps.getDomainVerificationStatusForUser(userId); 5677 // if none available, get the master status 5678 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5679 if (ps.getIntentFilterVerificationInfo() != null) { 5680 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5681 } 5682 } 5683 return result; 5684 } 5685 5686 private ResolveInfo querySkipCurrentProfileIntents( 5687 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5688 int flags, int sourceUserId) { 5689 if (matchingFilters != null) { 5690 int size = matchingFilters.size(); 5691 for (int i = 0; i < size; i ++) { 5692 CrossProfileIntentFilter filter = matchingFilters.get(i); 5693 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5694 // Checking if there are activities in the target user that can handle the 5695 // intent. 5696 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5697 resolvedType, flags, sourceUserId); 5698 if (resolveInfo != null) { 5699 return resolveInfo; 5700 } 5701 } 5702 } 5703 } 5704 return null; 5705 } 5706 5707 // Return matching ResolveInfo in target user if any. 5708 private ResolveInfo queryCrossProfileIntents( 5709 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5710 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5711 if (matchingFilters != null) { 5712 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5713 // match the same intent. For performance reasons, it is better not to 5714 // run queryIntent twice for the same userId 5715 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5716 int size = matchingFilters.size(); 5717 for (int i = 0; i < size; i++) { 5718 CrossProfileIntentFilter filter = matchingFilters.get(i); 5719 int targetUserId = filter.getTargetUserId(); 5720 boolean skipCurrentProfile = 5721 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5722 boolean skipCurrentProfileIfNoMatchFound = 5723 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5724 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5725 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5726 // Checking if there are activities in the target user that can handle the 5727 // intent. 5728 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5729 resolvedType, flags, sourceUserId); 5730 if (resolveInfo != null) return resolveInfo; 5731 alreadyTriedUserIds.put(targetUserId, true); 5732 } 5733 } 5734 } 5735 return null; 5736 } 5737 5738 /** 5739 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5740 * will forward the intent to the filter's target user. 5741 * Otherwise, returns null. 5742 */ 5743 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5744 String resolvedType, int flags, int sourceUserId) { 5745 int targetUserId = filter.getTargetUserId(); 5746 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5747 resolvedType, flags, targetUserId); 5748 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5749 // If all the matches in the target profile are suspended, return null. 5750 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5751 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5752 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5753 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5754 targetUserId); 5755 } 5756 } 5757 } 5758 return null; 5759 } 5760 5761 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5762 int sourceUserId, int targetUserId) { 5763 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5764 long ident = Binder.clearCallingIdentity(); 5765 boolean targetIsProfile; 5766 try { 5767 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5768 } finally { 5769 Binder.restoreCallingIdentity(ident); 5770 } 5771 String className; 5772 if (targetIsProfile) { 5773 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5774 } else { 5775 className = FORWARD_INTENT_TO_PARENT; 5776 } 5777 ComponentName forwardingActivityComponentName = new ComponentName( 5778 mAndroidApplication.packageName, className); 5779 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5780 sourceUserId); 5781 if (!targetIsProfile) { 5782 forwardingActivityInfo.showUserIcon = targetUserId; 5783 forwardingResolveInfo.noResourceId = true; 5784 } 5785 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5786 forwardingResolveInfo.priority = 0; 5787 forwardingResolveInfo.preferredOrder = 0; 5788 forwardingResolveInfo.match = 0; 5789 forwardingResolveInfo.isDefault = true; 5790 forwardingResolveInfo.filter = filter; 5791 forwardingResolveInfo.targetUserId = targetUserId; 5792 return forwardingResolveInfo; 5793 } 5794 5795 @Override 5796 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5797 Intent[] specifics, String[] specificTypes, Intent intent, 5798 String resolvedType, int flags, int userId) { 5799 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5800 specificTypes, intent, resolvedType, flags, userId)); 5801 } 5802 5803 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5804 Intent[] specifics, String[] specificTypes, Intent intent, 5805 String resolvedType, int flags, int userId) { 5806 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5807 flags = updateFlagsForResolve(flags, userId, intent); 5808 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5809 false /* requireFullPermission */, false /* checkShell */, 5810 "query intent activity options"); 5811 final String resultsAction = intent.getAction(); 5812 5813 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5814 | PackageManager.GET_RESOLVED_FILTER, userId); 5815 5816 if (DEBUG_INTENT_MATCHING) { 5817 Log.v(TAG, "Query " + intent + ": " + results); 5818 } 5819 5820 int specificsPos = 0; 5821 int N; 5822 5823 // todo: note that the algorithm used here is O(N^2). This 5824 // isn't a problem in our current environment, but if we start running 5825 // into situations where we have more than 5 or 10 matches then this 5826 // should probably be changed to something smarter... 5827 5828 // First we go through and resolve each of the specific items 5829 // that were supplied, taking care of removing any corresponding 5830 // duplicate items in the generic resolve list. 5831 if (specifics != null) { 5832 for (int i=0; i<specifics.length; i++) { 5833 final Intent sintent = specifics[i]; 5834 if (sintent == null) { 5835 continue; 5836 } 5837 5838 if (DEBUG_INTENT_MATCHING) { 5839 Log.v(TAG, "Specific #" + i + ": " + sintent); 5840 } 5841 5842 String action = sintent.getAction(); 5843 if (resultsAction != null && resultsAction.equals(action)) { 5844 // If this action was explicitly requested, then don't 5845 // remove things that have it. 5846 action = null; 5847 } 5848 5849 ResolveInfo ri = null; 5850 ActivityInfo ai = null; 5851 5852 ComponentName comp = sintent.getComponent(); 5853 if (comp == null) { 5854 ri = resolveIntent( 5855 sintent, 5856 specificTypes != null ? specificTypes[i] : null, 5857 flags, userId); 5858 if (ri == null) { 5859 continue; 5860 } 5861 if (ri == mResolveInfo) { 5862 // ACK! Must do something better with this. 5863 } 5864 ai = ri.activityInfo; 5865 comp = new ComponentName(ai.applicationInfo.packageName, 5866 ai.name); 5867 } else { 5868 ai = getActivityInfo(comp, flags, userId); 5869 if (ai == null) { 5870 continue; 5871 } 5872 } 5873 5874 // Look for any generic query activities that are duplicates 5875 // of this specific one, and remove them from the results. 5876 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5877 N = results.size(); 5878 int j; 5879 for (j=specificsPos; j<N; j++) { 5880 ResolveInfo sri = results.get(j); 5881 if ((sri.activityInfo.name.equals(comp.getClassName()) 5882 && sri.activityInfo.applicationInfo.packageName.equals( 5883 comp.getPackageName())) 5884 || (action != null && sri.filter.matchAction(action))) { 5885 results.remove(j); 5886 if (DEBUG_INTENT_MATCHING) Log.v( 5887 TAG, "Removing duplicate item from " + j 5888 + " due to specific " + specificsPos); 5889 if (ri == null) { 5890 ri = sri; 5891 } 5892 j--; 5893 N--; 5894 } 5895 } 5896 5897 // Add this specific item to its proper place. 5898 if (ri == null) { 5899 ri = new ResolveInfo(); 5900 ri.activityInfo = ai; 5901 } 5902 results.add(specificsPos, ri); 5903 ri.specificIndex = i; 5904 specificsPos++; 5905 } 5906 } 5907 5908 // Now we go through the remaining generic results and remove any 5909 // duplicate actions that are found here. 5910 N = results.size(); 5911 for (int i=specificsPos; i<N-1; i++) { 5912 final ResolveInfo rii = results.get(i); 5913 if (rii.filter == null) { 5914 continue; 5915 } 5916 5917 // Iterate over all of the actions of this result's intent 5918 // filter... typically this should be just one. 5919 final Iterator<String> it = rii.filter.actionsIterator(); 5920 if (it == null) { 5921 continue; 5922 } 5923 while (it.hasNext()) { 5924 final String action = it.next(); 5925 if (resultsAction != null && resultsAction.equals(action)) { 5926 // If this action was explicitly requested, then don't 5927 // remove things that have it. 5928 continue; 5929 } 5930 for (int j=i+1; j<N; j++) { 5931 final ResolveInfo rij = results.get(j); 5932 if (rij.filter != null && rij.filter.hasAction(action)) { 5933 results.remove(j); 5934 if (DEBUG_INTENT_MATCHING) Log.v( 5935 TAG, "Removing duplicate item from " + j 5936 + " due to action " + action + " at " + i); 5937 j--; 5938 N--; 5939 } 5940 } 5941 } 5942 5943 // If the caller didn't request filter information, drop it now 5944 // so we don't have to marshall/unmarshall it. 5945 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5946 rii.filter = null; 5947 } 5948 } 5949 5950 // Filter out the caller activity if so requested. 5951 if (caller != null) { 5952 N = results.size(); 5953 for (int i=0; i<N; i++) { 5954 ActivityInfo ainfo = results.get(i).activityInfo; 5955 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5956 && caller.getClassName().equals(ainfo.name)) { 5957 results.remove(i); 5958 break; 5959 } 5960 } 5961 } 5962 5963 // If the caller didn't request filter information, 5964 // drop them now so we don't have to 5965 // marshall/unmarshall it. 5966 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5967 N = results.size(); 5968 for (int i=0; i<N; i++) { 5969 results.get(i).filter = null; 5970 } 5971 } 5972 5973 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5974 return results; 5975 } 5976 5977 @Override 5978 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5979 String resolvedType, int flags, int userId) { 5980 return new ParceledListSlice<>( 5981 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5982 } 5983 5984 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5985 String resolvedType, int flags, int userId) { 5986 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5987 flags = updateFlagsForResolve(flags, userId, intent); 5988 ComponentName comp = intent.getComponent(); 5989 if (comp == null) { 5990 if (intent.getSelector() != null) { 5991 intent = intent.getSelector(); 5992 comp = intent.getComponent(); 5993 } 5994 } 5995 if (comp != null) { 5996 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5997 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5998 if (ai != null) { 5999 ResolveInfo ri = new ResolveInfo(); 6000 ri.activityInfo = ai; 6001 list.add(ri); 6002 } 6003 return list; 6004 } 6005 6006 // reader 6007 synchronized (mPackages) { 6008 String pkgName = intent.getPackage(); 6009 if (pkgName == null) { 6010 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6011 } 6012 final PackageParser.Package pkg = mPackages.get(pkgName); 6013 if (pkg != null) { 6014 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6015 userId); 6016 } 6017 return Collections.emptyList(); 6018 } 6019 } 6020 6021 @Override 6022 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6023 if (!sUserManager.exists(userId)) return null; 6024 flags = updateFlagsForResolve(flags, userId, intent); 6025 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6026 if (query != null) { 6027 if (query.size() >= 1) { 6028 // If there is more than one service with the same priority, 6029 // just arbitrarily pick the first one. 6030 return query.get(0); 6031 } 6032 } 6033 return null; 6034 } 6035 6036 @Override 6037 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6038 String resolvedType, int flags, int userId) { 6039 return new ParceledListSlice<>( 6040 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6041 } 6042 6043 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6044 String resolvedType, int flags, int userId) { 6045 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6046 flags = updateFlagsForResolve(flags, userId, intent); 6047 ComponentName comp = intent.getComponent(); 6048 if (comp == null) { 6049 if (intent.getSelector() != null) { 6050 intent = intent.getSelector(); 6051 comp = intent.getComponent(); 6052 } 6053 } 6054 if (comp != null) { 6055 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6056 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6057 if (si != null) { 6058 final ResolveInfo ri = new ResolveInfo(); 6059 ri.serviceInfo = si; 6060 list.add(ri); 6061 } 6062 return list; 6063 } 6064 6065 // reader 6066 synchronized (mPackages) { 6067 String pkgName = intent.getPackage(); 6068 if (pkgName == null) { 6069 return mServices.queryIntent(intent, resolvedType, flags, userId); 6070 } 6071 final PackageParser.Package pkg = mPackages.get(pkgName); 6072 if (pkg != null) { 6073 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6074 userId); 6075 } 6076 return Collections.emptyList(); 6077 } 6078 } 6079 6080 @Override 6081 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6082 String resolvedType, int flags, int userId) { 6083 return new ParceledListSlice<>( 6084 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6085 } 6086 6087 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6088 Intent intent, String resolvedType, int flags, int userId) { 6089 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6090 flags = updateFlagsForResolve(flags, userId, intent); 6091 ComponentName comp = intent.getComponent(); 6092 if (comp == null) { 6093 if (intent.getSelector() != null) { 6094 intent = intent.getSelector(); 6095 comp = intent.getComponent(); 6096 } 6097 } 6098 if (comp != null) { 6099 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6100 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6101 if (pi != null) { 6102 final ResolveInfo ri = new ResolveInfo(); 6103 ri.providerInfo = pi; 6104 list.add(ri); 6105 } 6106 return list; 6107 } 6108 6109 // reader 6110 synchronized (mPackages) { 6111 String pkgName = intent.getPackage(); 6112 if (pkgName == null) { 6113 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6114 } 6115 final PackageParser.Package pkg = mPackages.get(pkgName); 6116 if (pkg != null) { 6117 return mProviders.queryIntentForPackage( 6118 intent, resolvedType, flags, pkg.providers, userId); 6119 } 6120 return Collections.emptyList(); 6121 } 6122 } 6123 6124 @Override 6125 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6126 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6127 flags = updateFlagsForPackage(flags, userId, null); 6128 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6129 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6130 true /* requireFullPermission */, false /* checkShell */, 6131 "get installed packages"); 6132 6133 // writer 6134 synchronized (mPackages) { 6135 ArrayList<PackageInfo> list; 6136 if (listUninstalled) { 6137 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6138 for (PackageSetting ps : mSettings.mPackages.values()) { 6139 final PackageInfo pi; 6140 if (ps.pkg != null) { 6141 pi = generatePackageInfo(ps, flags, userId); 6142 } else { 6143 pi = generatePackageInfo(ps, flags, userId); 6144 } 6145 if (pi != null) { 6146 list.add(pi); 6147 } 6148 } 6149 } else { 6150 list = new ArrayList<PackageInfo>(mPackages.size()); 6151 for (PackageParser.Package p : mPackages.values()) { 6152 final PackageInfo pi = 6153 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6154 if (pi != null) { 6155 list.add(pi); 6156 } 6157 } 6158 } 6159 6160 return new ParceledListSlice<PackageInfo>(list); 6161 } 6162 } 6163 6164 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6165 String[] permissions, boolean[] tmp, int flags, int userId) { 6166 int numMatch = 0; 6167 final PermissionsState permissionsState = ps.getPermissionsState(); 6168 for (int i=0; i<permissions.length; i++) { 6169 final String permission = permissions[i]; 6170 if (permissionsState.hasPermission(permission, userId)) { 6171 tmp[i] = true; 6172 numMatch++; 6173 } else { 6174 tmp[i] = false; 6175 } 6176 } 6177 if (numMatch == 0) { 6178 return; 6179 } 6180 final PackageInfo pi; 6181 if (ps.pkg != null) { 6182 pi = generatePackageInfo(ps, flags, userId); 6183 } else { 6184 pi = generatePackageInfo(ps, flags, userId); 6185 } 6186 // The above might return null in cases of uninstalled apps or install-state 6187 // skew across users/profiles. 6188 if (pi != null) { 6189 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6190 if (numMatch == permissions.length) { 6191 pi.requestedPermissions = permissions; 6192 } else { 6193 pi.requestedPermissions = new String[numMatch]; 6194 numMatch = 0; 6195 for (int i=0; i<permissions.length; i++) { 6196 if (tmp[i]) { 6197 pi.requestedPermissions[numMatch] = permissions[i]; 6198 numMatch++; 6199 } 6200 } 6201 } 6202 } 6203 list.add(pi); 6204 } 6205 } 6206 6207 @Override 6208 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6209 String[] permissions, int flags, int userId) { 6210 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6211 flags = updateFlagsForPackage(flags, userId, permissions); 6212 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6213 6214 // writer 6215 synchronized (mPackages) { 6216 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6217 boolean[] tmpBools = new boolean[permissions.length]; 6218 if (listUninstalled) { 6219 for (PackageSetting ps : mSettings.mPackages.values()) { 6220 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6221 } 6222 } else { 6223 for (PackageParser.Package pkg : mPackages.values()) { 6224 PackageSetting ps = (PackageSetting)pkg.mExtras; 6225 if (ps != null) { 6226 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6227 userId); 6228 } 6229 } 6230 } 6231 6232 return new ParceledListSlice<PackageInfo>(list); 6233 } 6234 } 6235 6236 @Override 6237 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6238 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6239 flags = updateFlagsForApplication(flags, userId, null); 6240 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6241 6242 // writer 6243 synchronized (mPackages) { 6244 ArrayList<ApplicationInfo> list; 6245 if (listUninstalled) { 6246 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6247 for (PackageSetting ps : mSettings.mPackages.values()) { 6248 ApplicationInfo ai; 6249 if (ps.pkg != null) { 6250 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6251 ps.readUserState(userId), userId); 6252 } else { 6253 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6254 } 6255 if (ai != null) { 6256 list.add(ai); 6257 } 6258 } 6259 } else { 6260 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6261 for (PackageParser.Package p : mPackages.values()) { 6262 if (p.mExtras != null) { 6263 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6264 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6265 if (ai != null) { 6266 list.add(ai); 6267 } 6268 } 6269 } 6270 } 6271 6272 return new ParceledListSlice<ApplicationInfo>(list); 6273 } 6274 } 6275 6276 @Override 6277 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6278 if (isEphemeralDisabled()) { 6279 return null; 6280 } 6281 6282 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6283 "getEphemeralApplications"); 6284 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6285 true /* requireFullPermission */, false /* checkShell */, 6286 "getEphemeralApplications"); 6287 synchronized (mPackages) { 6288 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6289 .getEphemeralApplicationsLPw(userId); 6290 if (ephemeralApps != null) { 6291 return new ParceledListSlice<>(ephemeralApps); 6292 } 6293 } 6294 return null; 6295 } 6296 6297 @Override 6298 public boolean isEphemeralApplication(String packageName, int userId) { 6299 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6300 true /* requireFullPermission */, false /* checkShell */, 6301 "isEphemeral"); 6302 if (isEphemeralDisabled()) { 6303 return false; 6304 } 6305 6306 if (!isCallerSameApp(packageName)) { 6307 return false; 6308 } 6309 synchronized (mPackages) { 6310 PackageParser.Package pkg = mPackages.get(packageName); 6311 if (pkg != null) { 6312 return pkg.applicationInfo.isEphemeralApp(); 6313 } 6314 } 6315 return false; 6316 } 6317 6318 @Override 6319 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6320 if (isEphemeralDisabled()) { 6321 return null; 6322 } 6323 6324 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6325 true /* requireFullPermission */, false /* checkShell */, 6326 "getCookie"); 6327 if (!isCallerSameApp(packageName)) { 6328 return null; 6329 } 6330 synchronized (mPackages) { 6331 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6332 packageName, userId); 6333 } 6334 } 6335 6336 @Override 6337 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6338 if (isEphemeralDisabled()) { 6339 return true; 6340 } 6341 6342 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6343 true /* requireFullPermission */, true /* checkShell */, 6344 "setCookie"); 6345 if (!isCallerSameApp(packageName)) { 6346 return false; 6347 } 6348 synchronized (mPackages) { 6349 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6350 packageName, cookie, userId); 6351 } 6352 } 6353 6354 @Override 6355 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6356 if (isEphemeralDisabled()) { 6357 return null; 6358 } 6359 6360 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6361 "getEphemeralApplicationIcon"); 6362 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6363 true /* requireFullPermission */, false /* checkShell */, 6364 "getEphemeralApplicationIcon"); 6365 synchronized (mPackages) { 6366 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6367 packageName, userId); 6368 } 6369 } 6370 6371 private boolean isCallerSameApp(String packageName) { 6372 PackageParser.Package pkg = mPackages.get(packageName); 6373 return pkg != null 6374 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6375 } 6376 6377 @Override 6378 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6379 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6380 } 6381 6382 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6383 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6384 6385 // reader 6386 synchronized (mPackages) { 6387 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6388 final int userId = UserHandle.getCallingUserId(); 6389 while (i.hasNext()) { 6390 final PackageParser.Package p = i.next(); 6391 if (p.applicationInfo == null) continue; 6392 6393 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6394 && !p.applicationInfo.isDirectBootAware(); 6395 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6396 && p.applicationInfo.isDirectBootAware(); 6397 6398 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6399 && (!mSafeMode || isSystemApp(p)) 6400 && (matchesUnaware || matchesAware)) { 6401 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6402 if (ps != null) { 6403 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6404 ps.readUserState(userId), userId); 6405 if (ai != null) { 6406 finalList.add(ai); 6407 } 6408 } 6409 } 6410 } 6411 } 6412 6413 return finalList; 6414 } 6415 6416 @Override 6417 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6418 if (!sUserManager.exists(userId)) return null; 6419 flags = updateFlagsForComponent(flags, userId, name); 6420 // reader 6421 synchronized (mPackages) { 6422 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6423 PackageSetting ps = provider != null 6424 ? mSettings.mPackages.get(provider.owner.packageName) 6425 : null; 6426 return ps != null 6427 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6428 ? PackageParser.generateProviderInfo(provider, flags, 6429 ps.readUserState(userId), userId) 6430 : null; 6431 } 6432 } 6433 6434 /** 6435 * @deprecated 6436 */ 6437 @Deprecated 6438 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6439 // reader 6440 synchronized (mPackages) { 6441 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6442 .entrySet().iterator(); 6443 final int userId = UserHandle.getCallingUserId(); 6444 while (i.hasNext()) { 6445 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6446 PackageParser.Provider p = entry.getValue(); 6447 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6448 6449 if (ps != null && p.syncable 6450 && (!mSafeMode || (p.info.applicationInfo.flags 6451 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6452 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6453 ps.readUserState(userId), userId); 6454 if (info != null) { 6455 outNames.add(entry.getKey()); 6456 outInfo.add(info); 6457 } 6458 } 6459 } 6460 } 6461 } 6462 6463 @Override 6464 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6465 int uid, int flags) { 6466 final int userId = processName != null ? UserHandle.getUserId(uid) 6467 : UserHandle.getCallingUserId(); 6468 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6469 flags = updateFlagsForComponent(flags, userId, processName); 6470 6471 ArrayList<ProviderInfo> finalList = null; 6472 // reader 6473 synchronized (mPackages) { 6474 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6475 while (i.hasNext()) { 6476 final PackageParser.Provider p = i.next(); 6477 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6478 if (ps != null && p.info.authority != null 6479 && (processName == null 6480 || (p.info.processName.equals(processName) 6481 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6482 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6483 if (finalList == null) { 6484 finalList = new ArrayList<ProviderInfo>(3); 6485 } 6486 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6487 ps.readUserState(userId), userId); 6488 if (info != null) { 6489 finalList.add(info); 6490 } 6491 } 6492 } 6493 } 6494 6495 if (finalList != null) { 6496 Collections.sort(finalList, mProviderInitOrderSorter); 6497 return new ParceledListSlice<ProviderInfo>(finalList); 6498 } 6499 6500 return ParceledListSlice.emptyList(); 6501 } 6502 6503 @Override 6504 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6505 // reader 6506 synchronized (mPackages) { 6507 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6508 return PackageParser.generateInstrumentationInfo(i, flags); 6509 } 6510 } 6511 6512 @Override 6513 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6514 String targetPackage, int flags) { 6515 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6516 } 6517 6518 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6519 int flags) { 6520 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6521 6522 // reader 6523 synchronized (mPackages) { 6524 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6525 while (i.hasNext()) { 6526 final PackageParser.Instrumentation p = i.next(); 6527 if (targetPackage == null 6528 || targetPackage.equals(p.info.targetPackage)) { 6529 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6530 flags); 6531 if (ii != null) { 6532 finalList.add(ii); 6533 } 6534 } 6535 } 6536 } 6537 6538 return finalList; 6539 } 6540 6541 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6542 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6543 if (overlays == null) { 6544 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6545 return; 6546 } 6547 for (PackageParser.Package opkg : overlays.values()) { 6548 // Not much to do if idmap fails: we already logged the error 6549 // and we certainly don't want to abort installation of pkg simply 6550 // because an overlay didn't fit properly. For these reasons, 6551 // ignore the return value of createIdmapForPackagePairLI. 6552 createIdmapForPackagePairLI(pkg, opkg); 6553 } 6554 } 6555 6556 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6557 PackageParser.Package opkg) { 6558 if (!opkg.mTrustedOverlay) { 6559 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6560 opkg.baseCodePath + ": overlay not trusted"); 6561 return false; 6562 } 6563 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6564 if (overlaySet == null) { 6565 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6566 opkg.baseCodePath + " but target package has no known overlays"); 6567 return false; 6568 } 6569 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6570 // TODO: generate idmap for split APKs 6571 try { 6572 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6573 } catch (InstallerException e) { 6574 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6575 + opkg.baseCodePath); 6576 return false; 6577 } 6578 PackageParser.Package[] overlayArray = 6579 overlaySet.values().toArray(new PackageParser.Package[0]); 6580 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6581 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6582 return p1.mOverlayPriority - p2.mOverlayPriority; 6583 } 6584 }; 6585 Arrays.sort(overlayArray, cmp); 6586 6587 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6588 int i = 0; 6589 for (PackageParser.Package p : overlayArray) { 6590 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6591 } 6592 return true; 6593 } 6594 6595 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6596 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6597 try { 6598 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6599 } finally { 6600 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6601 } 6602 } 6603 6604 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6605 final File[] files = dir.listFiles(); 6606 if (ArrayUtils.isEmpty(files)) { 6607 Log.d(TAG, "No files in app dir " + dir); 6608 return; 6609 } 6610 6611 if (DEBUG_PACKAGE_SCANNING) { 6612 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6613 + " flags=0x" + Integer.toHexString(parseFlags)); 6614 } 6615 6616 for (File file : files) { 6617 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6618 && !PackageInstallerService.isStageName(file.getName()); 6619 if (!isPackage) { 6620 // Ignore entries which are not packages 6621 continue; 6622 } 6623 try { 6624 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6625 scanFlags, currentTime, null); 6626 } catch (PackageManagerException e) { 6627 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6628 6629 // Delete invalid userdata apps 6630 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6631 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6632 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6633 removeCodePathLI(file); 6634 } 6635 } 6636 } 6637 } 6638 6639 private static File getSettingsProblemFile() { 6640 File dataDir = Environment.getDataDirectory(); 6641 File systemDir = new File(dataDir, "system"); 6642 File fname = new File(systemDir, "uiderrors.txt"); 6643 return fname; 6644 } 6645 6646 static void reportSettingsProblem(int priority, String msg) { 6647 logCriticalInfo(priority, msg); 6648 } 6649 6650 static void logCriticalInfo(int priority, String msg) { 6651 Slog.println(priority, TAG, msg); 6652 EventLogTags.writePmCriticalInfo(msg); 6653 try { 6654 File fname = getSettingsProblemFile(); 6655 FileOutputStream out = new FileOutputStream(fname, true); 6656 PrintWriter pw = new FastPrintWriter(out); 6657 SimpleDateFormat formatter = new SimpleDateFormat(); 6658 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6659 pw.println(dateString + ": " + msg); 6660 pw.close(); 6661 FileUtils.setPermissions( 6662 fname.toString(), 6663 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6664 -1, -1); 6665 } catch (java.io.IOException e) { 6666 } 6667 } 6668 6669 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6670 if (srcFile.isDirectory()) { 6671 final File baseFile = new File(pkg.baseCodePath); 6672 long maxModifiedTime = baseFile.lastModified(); 6673 if (pkg.splitCodePaths != null) { 6674 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6675 final File splitFile = new File(pkg.splitCodePaths[i]); 6676 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6677 } 6678 } 6679 return maxModifiedTime; 6680 } 6681 return srcFile.lastModified(); 6682 } 6683 6684 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6685 final int policyFlags) throws PackageManagerException { 6686 // When upgrading from pre-N MR1, verify the package time stamp using the package 6687 // directory and not the APK file. 6688 final long lastModifiedTime = mIsPreNMR1Upgrade 6689 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6690 if (ps != null 6691 && ps.codePath.equals(srcFile) 6692 && ps.timeStamp == lastModifiedTime 6693 && !isCompatSignatureUpdateNeeded(pkg) 6694 && !isRecoverSignatureUpdateNeeded(pkg)) { 6695 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6696 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6697 ArraySet<PublicKey> signingKs; 6698 synchronized (mPackages) { 6699 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6700 } 6701 if (ps.signatures.mSignatures != null 6702 && ps.signatures.mSignatures.length != 0 6703 && signingKs != null) { 6704 // Optimization: reuse the existing cached certificates 6705 // if the package appears to be unchanged. 6706 pkg.mSignatures = ps.signatures.mSignatures; 6707 pkg.mSigningKeys = signingKs; 6708 return; 6709 } 6710 6711 Slog.w(TAG, "PackageSetting for " + ps.name 6712 + " is missing signatures. Collecting certs again to recover them."); 6713 } else { 6714 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6715 } 6716 6717 try { 6718 PackageParser.collectCertificates(pkg, policyFlags); 6719 } catch (PackageParserException e) { 6720 throw PackageManagerException.from(e); 6721 } 6722 } 6723 6724 /** 6725 * Traces a package scan. 6726 * @see #scanPackageLI(File, int, int, long, UserHandle) 6727 */ 6728 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6729 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6730 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6731 try { 6732 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6733 } finally { 6734 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6735 } 6736 } 6737 6738 /** 6739 * Scans a package and returns the newly parsed package. 6740 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6741 */ 6742 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6743 long currentTime, UserHandle user) throws PackageManagerException { 6744 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6745 PackageParser pp = new PackageParser(); 6746 pp.setSeparateProcesses(mSeparateProcesses); 6747 pp.setOnlyCoreApps(mOnlyCore); 6748 pp.setDisplayMetrics(mMetrics); 6749 6750 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6751 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6752 } 6753 6754 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6755 final PackageParser.Package pkg; 6756 try { 6757 pkg = pp.parsePackage(scanFile, parseFlags); 6758 } catch (PackageParserException e) { 6759 throw PackageManagerException.from(e); 6760 } finally { 6761 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6762 } 6763 6764 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6765 } 6766 6767 /** 6768 * Scans a package and returns the newly parsed package. 6769 * @throws PackageManagerException on a parse error. 6770 */ 6771 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6772 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6773 throws PackageManagerException { 6774 // If the package has children and this is the first dive in the function 6775 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6776 // packages (parent and children) would be successfully scanned before the 6777 // actual scan since scanning mutates internal state and we want to atomically 6778 // install the package and its children. 6779 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6780 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6781 scanFlags |= SCAN_CHECK_ONLY; 6782 } 6783 } else { 6784 scanFlags &= ~SCAN_CHECK_ONLY; 6785 } 6786 6787 // Scan the parent 6788 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6789 scanFlags, currentTime, user); 6790 6791 // Scan the children 6792 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6793 for (int i = 0; i < childCount; i++) { 6794 PackageParser.Package childPackage = pkg.childPackages.get(i); 6795 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6796 currentTime, user); 6797 } 6798 6799 6800 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6801 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6802 } 6803 6804 return scannedPkg; 6805 } 6806 6807 /** 6808 * Scans a package and returns the newly parsed package. 6809 * @throws PackageManagerException on a parse error. 6810 */ 6811 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6812 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6813 throws PackageManagerException { 6814 PackageSetting ps = null; 6815 PackageSetting updatedPkg; 6816 // reader 6817 synchronized (mPackages) { 6818 // Look to see if we already know about this package. 6819 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6820 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6821 // This package has been renamed to its original name. Let's 6822 // use that. 6823 ps = mSettings.peekPackageLPr(oldName); 6824 } 6825 // If there was no original package, see one for the real package name. 6826 if (ps == null) { 6827 ps = mSettings.peekPackageLPr(pkg.packageName); 6828 } 6829 // Check to see if this package could be hiding/updating a system 6830 // package. Must look for it either under the original or real 6831 // package name depending on our state. 6832 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6833 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6834 6835 // If this is a package we don't know about on the system partition, we 6836 // may need to remove disabled child packages on the system partition 6837 // or may need to not add child packages if the parent apk is updated 6838 // on the data partition and no longer defines this child package. 6839 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6840 // If this is a parent package for an updated system app and this system 6841 // app got an OTA update which no longer defines some of the child packages 6842 // we have to prune them from the disabled system packages. 6843 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6844 if (disabledPs != null) { 6845 final int scannedChildCount = (pkg.childPackages != null) 6846 ? pkg.childPackages.size() : 0; 6847 final int disabledChildCount = disabledPs.childPackageNames != null 6848 ? disabledPs.childPackageNames.size() : 0; 6849 for (int i = 0; i < disabledChildCount; i++) { 6850 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6851 boolean disabledPackageAvailable = false; 6852 for (int j = 0; j < scannedChildCount; j++) { 6853 PackageParser.Package childPkg = pkg.childPackages.get(j); 6854 if (childPkg.packageName.equals(disabledChildPackageName)) { 6855 disabledPackageAvailable = true; 6856 break; 6857 } 6858 } 6859 if (!disabledPackageAvailable) { 6860 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6861 } 6862 } 6863 } 6864 } 6865 } 6866 6867 boolean updatedPkgBetter = false; 6868 // First check if this is a system package that may involve an update 6869 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6870 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6871 // it needs to drop FLAG_PRIVILEGED. 6872 if (locationIsPrivileged(scanFile)) { 6873 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6874 } else { 6875 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6876 } 6877 6878 if (ps != null && !ps.codePath.equals(scanFile)) { 6879 // The path has changed from what was last scanned... check the 6880 // version of the new path against what we have stored to determine 6881 // what to do. 6882 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6883 if (pkg.mVersionCode <= ps.versionCode) { 6884 // The system package has been updated and the code path does not match 6885 // Ignore entry. Skip it. 6886 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6887 + " ignored: updated version " + ps.versionCode 6888 + " better than this " + pkg.mVersionCode); 6889 if (!updatedPkg.codePath.equals(scanFile)) { 6890 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6891 + ps.name + " changing from " + updatedPkg.codePathString 6892 + " to " + scanFile); 6893 updatedPkg.codePath = scanFile; 6894 updatedPkg.codePathString = scanFile.toString(); 6895 updatedPkg.resourcePath = scanFile; 6896 updatedPkg.resourcePathString = scanFile.toString(); 6897 } 6898 updatedPkg.pkg = pkg; 6899 updatedPkg.versionCode = pkg.mVersionCode; 6900 6901 // Update the disabled system child packages to point to the package too. 6902 final int childCount = updatedPkg.childPackageNames != null 6903 ? updatedPkg.childPackageNames.size() : 0; 6904 for (int i = 0; i < childCount; i++) { 6905 String childPackageName = updatedPkg.childPackageNames.get(i); 6906 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6907 childPackageName); 6908 if (updatedChildPkg != null) { 6909 updatedChildPkg.pkg = pkg; 6910 updatedChildPkg.versionCode = pkg.mVersionCode; 6911 } 6912 } 6913 6914 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6915 + scanFile + " ignored: updated version " + ps.versionCode 6916 + " better than this " + pkg.mVersionCode); 6917 } else { 6918 // The current app on the system partition is better than 6919 // what we have updated to on the data partition; switch 6920 // back to the system partition version. 6921 // At this point, its safely assumed that package installation for 6922 // apps in system partition will go through. If not there won't be a working 6923 // version of the app 6924 // writer 6925 synchronized (mPackages) { 6926 // Just remove the loaded entries from package lists. 6927 mPackages.remove(ps.name); 6928 } 6929 6930 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6931 + " reverting from " + ps.codePathString 6932 + ": new version " + pkg.mVersionCode 6933 + " better than installed " + ps.versionCode); 6934 6935 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6936 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6937 synchronized (mInstallLock) { 6938 args.cleanUpResourcesLI(); 6939 } 6940 synchronized (mPackages) { 6941 mSettings.enableSystemPackageLPw(ps.name); 6942 } 6943 updatedPkgBetter = true; 6944 } 6945 } 6946 } 6947 6948 if (updatedPkg != null) { 6949 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6950 // initially 6951 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6952 6953 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6954 // flag set initially 6955 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6956 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6957 } 6958 } 6959 6960 // Verify certificates against what was last scanned 6961 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6962 6963 /* 6964 * A new system app appeared, but we already had a non-system one of the 6965 * same name installed earlier. 6966 */ 6967 boolean shouldHideSystemApp = false; 6968 if (updatedPkg == null && ps != null 6969 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6970 /* 6971 * Check to make sure the signatures match first. If they don't, 6972 * wipe the installed application and its data. 6973 */ 6974 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6975 != PackageManager.SIGNATURE_MATCH) { 6976 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6977 + " signatures don't match existing userdata copy; removing"); 6978 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6979 "scanPackageInternalLI")) { 6980 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6981 } 6982 ps = null; 6983 } else { 6984 /* 6985 * If the newly-added system app is an older version than the 6986 * already installed version, hide it. It will be scanned later 6987 * and re-added like an update. 6988 */ 6989 if (pkg.mVersionCode <= ps.versionCode) { 6990 shouldHideSystemApp = true; 6991 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6992 + " but new version " + pkg.mVersionCode + " better than installed " 6993 + ps.versionCode + "; hiding system"); 6994 } else { 6995 /* 6996 * The newly found system app is a newer version that the 6997 * one previously installed. Simply remove the 6998 * already-installed application and replace it with our own 6999 * while keeping the application data. 7000 */ 7001 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7002 + " reverting from " + ps.codePathString + ": new version " 7003 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7004 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7005 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7006 synchronized (mInstallLock) { 7007 args.cleanUpResourcesLI(); 7008 } 7009 } 7010 } 7011 } 7012 7013 // The apk is forward locked (not public) if its code and resources 7014 // are kept in different files. (except for app in either system or 7015 // vendor path). 7016 // TODO grab this value from PackageSettings 7017 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7018 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7019 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7020 } 7021 } 7022 7023 // TODO: extend to support forward-locked splits 7024 String resourcePath = null; 7025 String baseResourcePath = null; 7026 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7027 if (ps != null && ps.resourcePathString != null) { 7028 resourcePath = ps.resourcePathString; 7029 baseResourcePath = ps.resourcePathString; 7030 } else { 7031 // Should not happen at all. Just log an error. 7032 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7033 } 7034 } else { 7035 resourcePath = pkg.codePath; 7036 baseResourcePath = pkg.baseCodePath; 7037 } 7038 7039 // Set application objects path explicitly. 7040 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7041 pkg.setApplicationInfoCodePath(pkg.codePath); 7042 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7043 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7044 pkg.setApplicationInfoResourcePath(resourcePath); 7045 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7046 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7047 7048 // Note that we invoke the following method only if we are about to unpack an application 7049 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7050 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7051 7052 /* 7053 * If the system app should be overridden by a previously installed 7054 * data, hide the system app now and let the /data/app scan pick it up 7055 * again. 7056 */ 7057 if (shouldHideSystemApp) { 7058 synchronized (mPackages) { 7059 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7060 } 7061 } 7062 7063 return scannedPkg; 7064 } 7065 7066 private static String fixProcessName(String defProcessName, 7067 String processName, int uid) { 7068 if (processName == null) { 7069 return defProcessName; 7070 } 7071 return processName; 7072 } 7073 7074 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7075 throws PackageManagerException { 7076 if (pkgSetting.signatures.mSignatures != null) { 7077 // Already existing package. Make sure signatures match 7078 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7079 == PackageManager.SIGNATURE_MATCH; 7080 if (!match) { 7081 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7082 == PackageManager.SIGNATURE_MATCH; 7083 } 7084 if (!match) { 7085 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7086 == PackageManager.SIGNATURE_MATCH; 7087 } 7088 if (!match) { 7089 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7090 + pkg.packageName + " signatures do not match the " 7091 + "previously installed version; ignoring!"); 7092 } 7093 } 7094 7095 // Check for shared user signatures 7096 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7097 // Already existing package. Make sure signatures match 7098 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7099 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7100 if (!match) { 7101 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7102 == PackageManager.SIGNATURE_MATCH; 7103 } 7104 if (!match) { 7105 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7106 == PackageManager.SIGNATURE_MATCH; 7107 } 7108 if (!match) { 7109 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7110 "Package " + pkg.packageName 7111 + " has no signatures that match those in shared user " 7112 + pkgSetting.sharedUser.name + "; ignoring!"); 7113 } 7114 } 7115 } 7116 7117 /** 7118 * Enforces that only the system UID or root's UID can call a method exposed 7119 * via Binder. 7120 * 7121 * @param message used as message if SecurityException is thrown 7122 * @throws SecurityException if the caller is not system or root 7123 */ 7124 private static final void enforceSystemOrRoot(String message) { 7125 final int uid = Binder.getCallingUid(); 7126 if (uid != Process.SYSTEM_UID && uid != 0) { 7127 throw new SecurityException(message); 7128 } 7129 } 7130 7131 @Override 7132 public void performFstrimIfNeeded() { 7133 enforceSystemOrRoot("Only the system can request fstrim"); 7134 7135 // Before everything else, see whether we need to fstrim. 7136 try { 7137 IMountService ms = PackageHelper.getMountService(); 7138 if (ms != null) { 7139 boolean doTrim = false; 7140 final long interval = android.provider.Settings.Global.getLong( 7141 mContext.getContentResolver(), 7142 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7143 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7144 if (interval > 0) { 7145 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7146 if (timeSinceLast > interval) { 7147 doTrim = true; 7148 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7149 + "; running immediately"); 7150 } 7151 } 7152 if (doTrim) { 7153 if (!isFirstBoot()) { 7154 try { 7155 ActivityManagerNative.getDefault().showBootMessage( 7156 mContext.getResources().getString( 7157 R.string.android_upgrading_fstrim), true); 7158 } catch (RemoteException e) { 7159 } 7160 } 7161 ms.runMaintenance(); 7162 } 7163 } else { 7164 Slog.e(TAG, "Mount service unavailable!"); 7165 } 7166 } catch (RemoteException e) { 7167 // Can't happen; MountService is local 7168 } 7169 } 7170 7171 @Override 7172 public void updatePackagesIfNeeded() { 7173 enforceSystemOrRoot("Only the system can request package update"); 7174 7175 // We need to re-extract after an OTA. 7176 boolean causeUpgrade = isUpgrade(); 7177 7178 // First boot or factory reset. 7179 // Note: we also handle devices that are upgrading to N right now as if it is their 7180 // first boot, as they do not have profile data. 7181 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7182 7183 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7184 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7185 7186 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7187 return; 7188 } 7189 7190 List<PackageParser.Package> pkgs; 7191 synchronized (mPackages) { 7192 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7193 } 7194 7195 final long startTime = System.nanoTime(); 7196 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7197 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7198 7199 final int elapsedTimeSeconds = 7200 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7201 7202 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7203 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7204 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7205 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7206 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7207 } 7208 7209 /** 7210 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7211 * containing statistics about the invocation. The array consists of three elements, 7212 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7213 * and {@code numberOfPackagesFailed}. 7214 */ 7215 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7216 String compilerFilter) { 7217 7218 int numberOfPackagesVisited = 0; 7219 int numberOfPackagesOptimized = 0; 7220 int numberOfPackagesSkipped = 0; 7221 int numberOfPackagesFailed = 0; 7222 final int numberOfPackagesToDexopt = pkgs.size(); 7223 7224 for (PackageParser.Package pkg : pkgs) { 7225 numberOfPackagesVisited++; 7226 7227 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7228 if (DEBUG_DEXOPT) { 7229 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7230 } 7231 numberOfPackagesSkipped++; 7232 continue; 7233 } 7234 7235 if (DEBUG_DEXOPT) { 7236 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7237 numberOfPackagesToDexopt + ": " + pkg.packageName); 7238 } 7239 7240 if (showDialog) { 7241 try { 7242 ActivityManagerNative.getDefault().showBootMessage( 7243 mContext.getResources().getString(R.string.android_upgrading_apk, 7244 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7245 } catch (RemoteException e) { 7246 } 7247 } 7248 7249 // If the OTA updates a system app which was previously preopted to a non-preopted state 7250 // the app might end up being verified at runtime. That's because by default the apps 7251 // are verify-profile but for preopted apps there's no profile. 7252 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7253 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7254 // filter (by default interpret-only). 7255 // Note that at this stage unused apps are already filtered. 7256 if (isSystemApp(pkg) && 7257 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7258 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7259 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7260 } 7261 7262 // checkProfiles is false to avoid merging profiles during boot which 7263 // might interfere with background compilation (b/28612421). 7264 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7265 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7266 // trade-off worth doing to save boot time work. 7267 int dexOptStatus = performDexOptTraced(pkg.packageName, 7268 false /* checkProfiles */, 7269 compilerFilter, 7270 false /* force */); 7271 switch (dexOptStatus) { 7272 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7273 numberOfPackagesOptimized++; 7274 break; 7275 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7276 numberOfPackagesSkipped++; 7277 break; 7278 case PackageDexOptimizer.DEX_OPT_FAILED: 7279 numberOfPackagesFailed++; 7280 break; 7281 default: 7282 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7283 break; 7284 } 7285 } 7286 7287 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7288 numberOfPackagesFailed }; 7289 } 7290 7291 @Override 7292 public void notifyPackageUse(String packageName, int reason) { 7293 synchronized (mPackages) { 7294 PackageParser.Package p = mPackages.get(packageName); 7295 if (p == null) { 7296 return; 7297 } 7298 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7299 } 7300 } 7301 7302 // TODO: this is not used nor needed. Delete it. 7303 @Override 7304 public boolean performDexOptIfNeeded(String packageName) { 7305 int dexOptStatus = performDexOptTraced(packageName, 7306 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7307 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7308 } 7309 7310 @Override 7311 public boolean performDexOpt(String packageName, 7312 boolean checkProfiles, int compileReason, boolean force) { 7313 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7314 getCompilerFilterForReason(compileReason), force); 7315 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7316 } 7317 7318 @Override 7319 public boolean performDexOptMode(String packageName, 7320 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7321 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7322 targetCompilerFilter, force); 7323 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7324 } 7325 7326 private int performDexOptTraced(String packageName, 7327 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7328 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7329 try { 7330 return performDexOptInternal(packageName, checkProfiles, 7331 targetCompilerFilter, force); 7332 } finally { 7333 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7334 } 7335 } 7336 7337 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7338 // if the package can now be considered up to date for the given filter. 7339 private int performDexOptInternal(String packageName, 7340 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7341 PackageParser.Package p; 7342 synchronized (mPackages) { 7343 p = mPackages.get(packageName); 7344 if (p == null) { 7345 // Package could not be found. Report failure. 7346 return PackageDexOptimizer.DEX_OPT_FAILED; 7347 } 7348 mPackageUsage.maybeWriteAsync(mPackages); 7349 mCompilerStats.maybeWriteAsync(); 7350 } 7351 long callingId = Binder.clearCallingIdentity(); 7352 try { 7353 synchronized (mInstallLock) { 7354 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7355 targetCompilerFilter, force); 7356 } 7357 } finally { 7358 Binder.restoreCallingIdentity(callingId); 7359 } 7360 } 7361 7362 public ArraySet<String> getOptimizablePackages() { 7363 ArraySet<String> pkgs = new ArraySet<String>(); 7364 synchronized (mPackages) { 7365 for (PackageParser.Package p : mPackages.values()) { 7366 if (PackageDexOptimizer.canOptimizePackage(p)) { 7367 pkgs.add(p.packageName); 7368 } 7369 } 7370 } 7371 return pkgs; 7372 } 7373 7374 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7375 boolean checkProfiles, String targetCompilerFilter, 7376 boolean force) { 7377 // Select the dex optimizer based on the force parameter. 7378 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7379 // allocate an object here. 7380 PackageDexOptimizer pdo = force 7381 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7382 : mPackageDexOptimizer; 7383 7384 // Optimize all dependencies first. Note: we ignore the return value and march on 7385 // on errors. 7386 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7387 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7388 if (!deps.isEmpty()) { 7389 for (PackageParser.Package depPackage : deps) { 7390 // TODO: Analyze and investigate if we (should) profile libraries. 7391 // Currently this will do a full compilation of the library by default. 7392 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7393 false /* checkProfiles */, 7394 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7395 getOrCreateCompilerPackageStats(depPackage)); 7396 } 7397 } 7398 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7399 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7400 } 7401 7402 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7403 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7404 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7405 Set<String> collectedNames = new HashSet<>(); 7406 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7407 7408 retValue.remove(p); 7409 7410 return retValue; 7411 } else { 7412 return Collections.emptyList(); 7413 } 7414 } 7415 7416 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7417 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7418 if (!collectedNames.contains(p.packageName)) { 7419 collectedNames.add(p.packageName); 7420 collected.add(p); 7421 7422 if (p.usesLibraries != null) { 7423 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7424 } 7425 if (p.usesOptionalLibraries != null) { 7426 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7427 collectedNames); 7428 } 7429 } 7430 } 7431 7432 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7433 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7434 for (String libName : libs) { 7435 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7436 if (libPkg != null) { 7437 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7438 } 7439 } 7440 } 7441 7442 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7443 synchronized (mPackages) { 7444 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7445 if (lib != null && lib.apk != null) { 7446 return mPackages.get(lib.apk); 7447 } 7448 } 7449 return null; 7450 } 7451 7452 public void shutdown() { 7453 mPackageUsage.writeNow(mPackages); 7454 mCompilerStats.writeNow(); 7455 } 7456 7457 @Override 7458 public void dumpProfiles(String packageName) { 7459 PackageParser.Package pkg; 7460 synchronized (mPackages) { 7461 pkg = mPackages.get(packageName); 7462 if (pkg == null) { 7463 throw new IllegalArgumentException("Unknown package: " + packageName); 7464 } 7465 } 7466 /* Only the shell, root, or the app user should be able to dump profiles. */ 7467 int callingUid = Binder.getCallingUid(); 7468 if (callingUid != Process.SHELL_UID && 7469 callingUid != Process.ROOT_UID && 7470 callingUid != pkg.applicationInfo.uid) { 7471 throw new SecurityException("dumpProfiles"); 7472 } 7473 7474 synchronized (mInstallLock) { 7475 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7476 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7477 try { 7478 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7479 String gid = Integer.toString(sharedGid); 7480 String codePaths = TextUtils.join(";", allCodePaths); 7481 mInstaller.dumpProfiles(gid, packageName, codePaths); 7482 } catch (InstallerException e) { 7483 Slog.w(TAG, "Failed to dump profiles", e); 7484 } 7485 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7486 } 7487 } 7488 7489 @Override 7490 public void forceDexOpt(String packageName) { 7491 enforceSystemOrRoot("forceDexOpt"); 7492 7493 PackageParser.Package pkg; 7494 synchronized (mPackages) { 7495 pkg = mPackages.get(packageName); 7496 if (pkg == null) { 7497 throw new IllegalArgumentException("Unknown package: " + packageName); 7498 } 7499 } 7500 7501 synchronized (mInstallLock) { 7502 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7503 7504 // Whoever is calling forceDexOpt wants a fully compiled package. 7505 // Don't use profiles since that may cause compilation to be skipped. 7506 final int res = performDexOptInternalWithDependenciesLI(pkg, 7507 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7508 true /* force */); 7509 7510 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7511 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7512 throw new IllegalStateException("Failed to dexopt: " + res); 7513 } 7514 } 7515 } 7516 7517 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7518 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7519 Slog.w(TAG, "Unable to update from " + oldPkg.name 7520 + " to " + newPkg.packageName 7521 + ": old package not in system partition"); 7522 return false; 7523 } else if (mPackages.get(oldPkg.name) != null) { 7524 Slog.w(TAG, "Unable to update from " + oldPkg.name 7525 + " to " + newPkg.packageName 7526 + ": old package still exists"); 7527 return false; 7528 } 7529 return true; 7530 } 7531 7532 void removeCodePathLI(File codePath) { 7533 if (codePath.isDirectory()) { 7534 try { 7535 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7536 } catch (InstallerException e) { 7537 Slog.w(TAG, "Failed to remove code path", e); 7538 } 7539 } else { 7540 codePath.delete(); 7541 } 7542 } 7543 7544 private int[] resolveUserIds(int userId) { 7545 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7546 } 7547 7548 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7549 if (pkg == null) { 7550 Slog.wtf(TAG, "Package was null!", new Throwable()); 7551 return; 7552 } 7553 clearAppDataLeafLIF(pkg, userId, flags); 7554 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7555 for (int i = 0; i < childCount; i++) { 7556 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7557 } 7558 } 7559 7560 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7561 final PackageSetting ps; 7562 synchronized (mPackages) { 7563 ps = mSettings.mPackages.get(pkg.packageName); 7564 } 7565 for (int realUserId : resolveUserIds(userId)) { 7566 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7567 try { 7568 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7569 ceDataInode); 7570 } catch (InstallerException e) { 7571 Slog.w(TAG, String.valueOf(e)); 7572 } 7573 } 7574 } 7575 7576 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7577 if (pkg == null) { 7578 Slog.wtf(TAG, "Package was null!", new Throwable()); 7579 return; 7580 } 7581 destroyAppDataLeafLIF(pkg, userId, flags); 7582 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7583 for (int i = 0; i < childCount; i++) { 7584 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7585 } 7586 } 7587 7588 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7589 final PackageSetting ps; 7590 synchronized (mPackages) { 7591 ps = mSettings.mPackages.get(pkg.packageName); 7592 } 7593 for (int realUserId : resolveUserIds(userId)) { 7594 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7595 try { 7596 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7597 ceDataInode); 7598 } catch (InstallerException e) { 7599 Slog.w(TAG, String.valueOf(e)); 7600 } 7601 } 7602 } 7603 7604 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7605 if (pkg == null) { 7606 Slog.wtf(TAG, "Package was null!", new Throwable()); 7607 return; 7608 } 7609 destroyAppProfilesLeafLIF(pkg); 7610 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7611 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7612 for (int i = 0; i < childCount; i++) { 7613 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7614 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7615 true /* removeBaseMarker */); 7616 } 7617 } 7618 7619 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7620 boolean removeBaseMarker) { 7621 if (pkg.isForwardLocked()) { 7622 return; 7623 } 7624 7625 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7626 try { 7627 path = PackageManagerServiceUtils.realpath(new File(path)); 7628 } catch (IOException e) { 7629 // TODO: Should we return early here ? 7630 Slog.w(TAG, "Failed to get canonical path", e); 7631 continue; 7632 } 7633 7634 final String useMarker = path.replace('/', '@'); 7635 for (int realUserId : resolveUserIds(userId)) { 7636 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7637 if (removeBaseMarker) { 7638 File foreignUseMark = new File(profileDir, useMarker); 7639 if (foreignUseMark.exists()) { 7640 if (!foreignUseMark.delete()) { 7641 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7642 + pkg.packageName); 7643 } 7644 } 7645 } 7646 7647 File[] markers = profileDir.listFiles(); 7648 if (markers != null) { 7649 final String searchString = "@" + pkg.packageName + "@"; 7650 // We also delete all markers that contain the package name we're 7651 // uninstalling. These are associated with secondary dex-files belonging 7652 // to the package. Reconstructing the path of these dex files is messy 7653 // in general. 7654 for (File marker : markers) { 7655 if (marker.getName().indexOf(searchString) > 0) { 7656 if (!marker.delete()) { 7657 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7658 + pkg.packageName); 7659 } 7660 } 7661 } 7662 } 7663 } 7664 } 7665 } 7666 7667 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7668 try { 7669 mInstaller.destroyAppProfiles(pkg.packageName); 7670 } catch (InstallerException e) { 7671 Slog.w(TAG, String.valueOf(e)); 7672 } 7673 } 7674 7675 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7676 if (pkg == null) { 7677 Slog.wtf(TAG, "Package was null!", new Throwable()); 7678 return; 7679 } 7680 clearAppProfilesLeafLIF(pkg); 7681 // We don't remove the base foreign use marker when clearing profiles because 7682 // we will rename it when the app is updated. Unlike the actual profile contents, 7683 // the foreign use marker is good across installs. 7684 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7685 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7686 for (int i = 0; i < childCount; i++) { 7687 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7688 } 7689 } 7690 7691 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7692 try { 7693 mInstaller.clearAppProfiles(pkg.packageName); 7694 } catch (InstallerException e) { 7695 Slog.w(TAG, String.valueOf(e)); 7696 } 7697 } 7698 7699 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7700 long lastUpdateTime) { 7701 // Set parent install/update time 7702 PackageSetting ps = (PackageSetting) pkg.mExtras; 7703 if (ps != null) { 7704 ps.firstInstallTime = firstInstallTime; 7705 ps.lastUpdateTime = lastUpdateTime; 7706 } 7707 // Set children install/update time 7708 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7709 for (int i = 0; i < childCount; i++) { 7710 PackageParser.Package childPkg = pkg.childPackages.get(i); 7711 ps = (PackageSetting) childPkg.mExtras; 7712 if (ps != null) { 7713 ps.firstInstallTime = firstInstallTime; 7714 ps.lastUpdateTime = lastUpdateTime; 7715 } 7716 } 7717 } 7718 7719 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7720 PackageParser.Package changingLib) { 7721 if (file.path != null) { 7722 usesLibraryFiles.add(file.path); 7723 return; 7724 } 7725 PackageParser.Package p = mPackages.get(file.apk); 7726 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7727 // If we are doing this while in the middle of updating a library apk, 7728 // then we need to make sure to use that new apk for determining the 7729 // dependencies here. (We haven't yet finished committing the new apk 7730 // to the package manager state.) 7731 if (p == null || p.packageName.equals(changingLib.packageName)) { 7732 p = changingLib; 7733 } 7734 } 7735 if (p != null) { 7736 usesLibraryFiles.addAll(p.getAllCodePaths()); 7737 } 7738 } 7739 7740 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7741 PackageParser.Package changingLib) throws PackageManagerException { 7742 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7743 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7744 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7745 for (int i=0; i<N; i++) { 7746 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7747 if (file == null) { 7748 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7749 "Package " + pkg.packageName + " requires unavailable shared library " 7750 + pkg.usesLibraries.get(i) + "; failing!"); 7751 } 7752 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7753 } 7754 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7755 for (int i=0; i<N; i++) { 7756 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7757 if (file == null) { 7758 Slog.w(TAG, "Package " + pkg.packageName 7759 + " desires unavailable shared library " 7760 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7761 } else { 7762 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7763 } 7764 } 7765 N = usesLibraryFiles.size(); 7766 if (N > 0) { 7767 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7768 } else { 7769 pkg.usesLibraryFiles = null; 7770 } 7771 } 7772 } 7773 7774 private static boolean hasString(List<String> list, List<String> which) { 7775 if (list == null) { 7776 return false; 7777 } 7778 for (int i=list.size()-1; i>=0; i--) { 7779 for (int j=which.size()-1; j>=0; j--) { 7780 if (which.get(j).equals(list.get(i))) { 7781 return true; 7782 } 7783 } 7784 } 7785 return false; 7786 } 7787 7788 private void updateAllSharedLibrariesLPw() { 7789 for (PackageParser.Package pkg : mPackages.values()) { 7790 try { 7791 updateSharedLibrariesLPw(pkg, null); 7792 } catch (PackageManagerException e) { 7793 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7794 } 7795 } 7796 } 7797 7798 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7799 PackageParser.Package changingPkg) { 7800 ArrayList<PackageParser.Package> res = null; 7801 for (PackageParser.Package pkg : mPackages.values()) { 7802 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7803 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7804 if (res == null) { 7805 res = new ArrayList<PackageParser.Package>(); 7806 } 7807 res.add(pkg); 7808 try { 7809 updateSharedLibrariesLPw(pkg, changingPkg); 7810 } catch (PackageManagerException e) { 7811 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7812 } 7813 } 7814 } 7815 return res; 7816 } 7817 7818 /** 7819 * Derive the value of the {@code cpuAbiOverride} based on the provided 7820 * value and an optional stored value from the package settings. 7821 */ 7822 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7823 String cpuAbiOverride = null; 7824 7825 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7826 cpuAbiOverride = null; 7827 } else if (abiOverride != null) { 7828 cpuAbiOverride = abiOverride; 7829 } else if (settings != null) { 7830 cpuAbiOverride = settings.cpuAbiOverrideString; 7831 } 7832 7833 return cpuAbiOverride; 7834 } 7835 7836 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7837 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7838 throws PackageManagerException { 7839 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7840 // If the package has children and this is the first dive in the function 7841 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7842 // whether all packages (parent and children) would be successfully scanned 7843 // before the actual scan since scanning mutates internal state and we want 7844 // to atomically install the package and its children. 7845 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7846 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7847 scanFlags |= SCAN_CHECK_ONLY; 7848 } 7849 } else { 7850 scanFlags &= ~SCAN_CHECK_ONLY; 7851 } 7852 7853 final PackageParser.Package scannedPkg; 7854 try { 7855 // Scan the parent 7856 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7857 // Scan the children 7858 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7859 for (int i = 0; i < childCount; i++) { 7860 PackageParser.Package childPkg = pkg.childPackages.get(i); 7861 scanPackageLI(childPkg, policyFlags, 7862 scanFlags, currentTime, user); 7863 } 7864 } finally { 7865 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7866 } 7867 7868 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7869 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7870 } 7871 7872 return scannedPkg; 7873 } 7874 7875 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7876 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7877 boolean success = false; 7878 try { 7879 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7880 currentTime, user); 7881 success = true; 7882 return res; 7883 } finally { 7884 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7885 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7886 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7887 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7888 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7889 } 7890 } 7891 } 7892 7893 /** 7894 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7895 */ 7896 private static boolean apkHasCode(String fileName) { 7897 StrictJarFile jarFile = null; 7898 try { 7899 jarFile = new StrictJarFile(fileName, 7900 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7901 return jarFile.findEntry("classes.dex") != null; 7902 } catch (IOException ignore) { 7903 } finally { 7904 try { 7905 if (jarFile != null) { 7906 jarFile.close(); 7907 } 7908 } catch (IOException ignore) {} 7909 } 7910 return false; 7911 } 7912 7913 /** 7914 * Enforces code policy for the package. This ensures that if an APK has 7915 * declared hasCode="true" in its manifest that the APK actually contains 7916 * code. 7917 * 7918 * @throws PackageManagerException If bytecode could not be found when it should exist 7919 */ 7920 private static void enforceCodePolicy(PackageParser.Package pkg) 7921 throws PackageManagerException { 7922 final boolean shouldHaveCode = 7923 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7924 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7925 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7926 "Package " + pkg.baseCodePath + " code is missing"); 7927 } 7928 7929 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7930 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7931 final boolean splitShouldHaveCode = 7932 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7933 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7934 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7935 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7936 } 7937 } 7938 } 7939 } 7940 7941 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7942 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7943 throws PackageManagerException { 7944 final File scanFile = new File(pkg.codePath); 7945 if (pkg.applicationInfo.getCodePath() == null || 7946 pkg.applicationInfo.getResourcePath() == null) { 7947 // Bail out. The resource and code paths haven't been set. 7948 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7949 "Code and resource paths haven't been set correctly"); 7950 } 7951 7952 // Apply policy 7953 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7954 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7955 if (pkg.applicationInfo.isDirectBootAware()) { 7956 // we're direct boot aware; set for all components 7957 for (PackageParser.Service s : pkg.services) { 7958 s.info.encryptionAware = s.info.directBootAware = true; 7959 } 7960 for (PackageParser.Provider p : pkg.providers) { 7961 p.info.encryptionAware = p.info.directBootAware = true; 7962 } 7963 for (PackageParser.Activity a : pkg.activities) { 7964 a.info.encryptionAware = a.info.directBootAware = true; 7965 } 7966 for (PackageParser.Activity r : pkg.receivers) { 7967 r.info.encryptionAware = r.info.directBootAware = true; 7968 } 7969 } 7970 } else { 7971 // Only allow system apps to be flagged as core apps. 7972 pkg.coreApp = false; 7973 // clear flags not applicable to regular apps 7974 pkg.applicationInfo.privateFlags &= 7975 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7976 pkg.applicationInfo.privateFlags &= 7977 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7978 } 7979 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7980 7981 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7982 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7983 } 7984 7985 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7986 enforceCodePolicy(pkg); 7987 } 7988 7989 if (mCustomResolverComponentName != null && 7990 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7991 setUpCustomResolverActivity(pkg); 7992 } 7993 7994 if (pkg.packageName.equals("android")) { 7995 synchronized (mPackages) { 7996 if (mAndroidApplication != null) { 7997 Slog.w(TAG, "*************************************************"); 7998 Slog.w(TAG, "Core android package being redefined. Skipping."); 7999 Slog.w(TAG, " file=" + scanFile); 8000 Slog.w(TAG, "*************************************************"); 8001 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8002 "Core android package being redefined. Skipping."); 8003 } 8004 8005 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8006 // Set up information for our fall-back user intent resolution activity. 8007 mPlatformPackage = pkg; 8008 pkg.mVersionCode = mSdkVersion; 8009 mAndroidApplication = pkg.applicationInfo; 8010 8011 if (!mResolverReplaced) { 8012 mResolveActivity.applicationInfo = mAndroidApplication; 8013 mResolveActivity.name = ResolverActivity.class.getName(); 8014 mResolveActivity.packageName = mAndroidApplication.packageName; 8015 mResolveActivity.processName = "system:ui"; 8016 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8017 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8018 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8019 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8020 mResolveActivity.exported = true; 8021 mResolveActivity.enabled = true; 8022 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8023 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8024 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8025 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8026 | ActivityInfo.CONFIG_ORIENTATION 8027 | ActivityInfo.CONFIG_KEYBOARD 8028 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8029 mResolveInfo.activityInfo = mResolveActivity; 8030 mResolveInfo.priority = 0; 8031 mResolveInfo.preferredOrder = 0; 8032 mResolveInfo.match = 0; 8033 mResolveComponentName = new ComponentName( 8034 mAndroidApplication.packageName, mResolveActivity.name); 8035 } 8036 } 8037 } 8038 } 8039 8040 if (DEBUG_PACKAGE_SCANNING) { 8041 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8042 Log.d(TAG, "Scanning package " + pkg.packageName); 8043 } 8044 8045 synchronized (mPackages) { 8046 if (mPackages.containsKey(pkg.packageName) 8047 || mSharedLibraries.containsKey(pkg.packageName)) { 8048 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8049 "Application package " + pkg.packageName 8050 + " already installed. Skipping duplicate."); 8051 } 8052 8053 // If we're only installing presumed-existing packages, require that the 8054 // scanned APK is both already known and at the path previously established 8055 // for it. Previously unknown packages we pick up normally, but if we have an 8056 // a priori expectation about this package's install presence, enforce it. 8057 // With a singular exception for new system packages. When an OTA contains 8058 // a new system package, we allow the codepath to change from a system location 8059 // to the user-installed location. If we don't allow this change, any newer, 8060 // user-installed version of the application will be ignored. 8061 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8062 if (mExpectingBetter.containsKey(pkg.packageName)) { 8063 logCriticalInfo(Log.WARN, 8064 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8065 } else { 8066 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8067 if (known != null) { 8068 if (DEBUG_PACKAGE_SCANNING) { 8069 Log.d(TAG, "Examining " + pkg.codePath 8070 + " and requiring known paths " + known.codePathString 8071 + " & " + known.resourcePathString); 8072 } 8073 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8074 || !pkg.applicationInfo.getResourcePath().equals( 8075 known.resourcePathString)) { 8076 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8077 "Application package " + pkg.packageName 8078 + " found at " + pkg.applicationInfo.getCodePath() 8079 + " but expected at " + known.codePathString 8080 + "; ignoring."); 8081 } 8082 } 8083 } 8084 } 8085 } 8086 8087 // Initialize package source and resource directories 8088 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8089 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8090 8091 SharedUserSetting suid = null; 8092 PackageSetting pkgSetting = null; 8093 8094 if (!isSystemApp(pkg)) { 8095 // Only system apps can use these features. 8096 pkg.mOriginalPackages = null; 8097 pkg.mRealPackage = null; 8098 pkg.mAdoptPermissions = null; 8099 } 8100 8101 // Getting the package setting may have a side-effect, so if we 8102 // are only checking if scan would succeed, stash a copy of the 8103 // old setting to restore at the end. 8104 PackageSetting nonMutatedPs = null; 8105 8106 // writer 8107 synchronized (mPackages) { 8108 if (pkg.mSharedUserId != null) { 8109 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8110 if (suid == null) { 8111 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8112 "Creating application package " + pkg.packageName 8113 + " for shared user failed"); 8114 } 8115 if (DEBUG_PACKAGE_SCANNING) { 8116 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8117 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8118 + "): packages=" + suid.packages); 8119 } 8120 } 8121 8122 // Check if we are renaming from an original package name. 8123 PackageSetting origPackage = null; 8124 String realName = null; 8125 if (pkg.mOriginalPackages != null) { 8126 // This package may need to be renamed to a previously 8127 // installed name. Let's check on that... 8128 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8129 if (pkg.mOriginalPackages.contains(renamed)) { 8130 // This package had originally been installed as the 8131 // original name, and we have already taken care of 8132 // transitioning to the new one. Just update the new 8133 // one to continue using the old name. 8134 realName = pkg.mRealPackage; 8135 if (!pkg.packageName.equals(renamed)) { 8136 // Callers into this function may have already taken 8137 // care of renaming the package; only do it here if 8138 // it is not already done. 8139 pkg.setPackageName(renamed); 8140 } 8141 8142 } else { 8143 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8144 if ((origPackage = mSettings.peekPackageLPr( 8145 pkg.mOriginalPackages.get(i))) != null) { 8146 // We do have the package already installed under its 8147 // original name... should we use it? 8148 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8149 // New package is not compatible with original. 8150 origPackage = null; 8151 continue; 8152 } else if (origPackage.sharedUser != null) { 8153 // Make sure uid is compatible between packages. 8154 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8155 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8156 + " to " + pkg.packageName + ": old uid " 8157 + origPackage.sharedUser.name 8158 + " differs from " + pkg.mSharedUserId); 8159 origPackage = null; 8160 continue; 8161 } 8162 // TODO: Add case when shared user id is added [b/28144775] 8163 } else { 8164 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8165 + pkg.packageName + " to old name " + origPackage.name); 8166 } 8167 break; 8168 } 8169 } 8170 } 8171 } 8172 8173 if (mTransferedPackages.contains(pkg.packageName)) { 8174 Slog.w(TAG, "Package " + pkg.packageName 8175 + " was transferred to another, but its .apk remains"); 8176 } 8177 8178 // See comments in nonMutatedPs declaration 8179 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8180 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8181 if (foundPs != null) { 8182 nonMutatedPs = new PackageSetting(foundPs); 8183 } 8184 } 8185 8186 // Just create the setting, don't add it yet. For already existing packages 8187 // the PkgSetting exists already and doesn't have to be created. 8188 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8189 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8190 pkg.applicationInfo.primaryCpuAbi, 8191 pkg.applicationInfo.secondaryCpuAbi, 8192 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8193 user, false); 8194 if (pkgSetting == null) { 8195 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8196 "Creating application package " + pkg.packageName + " failed"); 8197 } 8198 8199 if (pkgSetting.origPackage != null) { 8200 // If we are first transitioning from an original package, 8201 // fix up the new package's name now. We need to do this after 8202 // looking up the package under its new name, so getPackageLP 8203 // can take care of fiddling things correctly. 8204 pkg.setPackageName(origPackage.name); 8205 8206 // File a report about this. 8207 String msg = "New package " + pkgSetting.realName 8208 + " renamed to replace old package " + pkgSetting.name; 8209 reportSettingsProblem(Log.WARN, msg); 8210 8211 // Make a note of it. 8212 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8213 mTransferedPackages.add(origPackage.name); 8214 } 8215 8216 // No longer need to retain this. 8217 pkgSetting.origPackage = null; 8218 } 8219 8220 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8221 // Make a note of it. 8222 mTransferedPackages.add(pkg.packageName); 8223 } 8224 8225 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8226 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8227 } 8228 8229 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8230 // Check all shared libraries and map to their actual file path. 8231 // We only do this here for apps not on a system dir, because those 8232 // are the only ones that can fail an install due to this. We 8233 // will take care of the system apps by updating all of their 8234 // library paths after the scan is done. 8235 updateSharedLibrariesLPw(pkg, null); 8236 } 8237 8238 if (mFoundPolicyFile) { 8239 SELinuxMMAC.assignSeinfoValue(pkg); 8240 } 8241 8242 pkg.applicationInfo.uid = pkgSetting.appId; 8243 pkg.mExtras = pkgSetting; 8244 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8245 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8246 // We just determined the app is signed correctly, so bring 8247 // over the latest parsed certs. 8248 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8249 } else { 8250 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8251 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8252 "Package " + pkg.packageName + " upgrade keys do not match the " 8253 + "previously installed version"); 8254 } else { 8255 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8256 String msg = "System package " + pkg.packageName 8257 + " signature changed; retaining data."; 8258 reportSettingsProblem(Log.WARN, msg); 8259 } 8260 } 8261 } else { 8262 try { 8263 verifySignaturesLP(pkgSetting, pkg); 8264 // We just determined the app is signed correctly, so bring 8265 // over the latest parsed certs. 8266 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8267 } catch (PackageManagerException e) { 8268 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8269 throw e; 8270 } 8271 // The signature has changed, but this package is in the system 8272 // image... let's recover! 8273 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8274 // However... if this package is part of a shared user, but it 8275 // doesn't match the signature of the shared user, let's fail. 8276 // What this means is that you can't change the signatures 8277 // associated with an overall shared user, which doesn't seem all 8278 // that unreasonable. 8279 if (pkgSetting.sharedUser != null) { 8280 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8281 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8282 throw new PackageManagerException( 8283 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8284 "Signature mismatch for shared user: " 8285 + pkgSetting.sharedUser); 8286 } 8287 } 8288 // File a report about this. 8289 String msg = "System package " + pkg.packageName 8290 + " signature changed; retaining data."; 8291 reportSettingsProblem(Log.WARN, msg); 8292 } 8293 } 8294 // Verify that this new package doesn't have any content providers 8295 // that conflict with existing packages. Only do this if the 8296 // package isn't already installed, since we don't want to break 8297 // things that are installed. 8298 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8299 final int N = pkg.providers.size(); 8300 int i; 8301 for (i=0; i<N; i++) { 8302 PackageParser.Provider p = pkg.providers.get(i); 8303 if (p.info.authority != null) { 8304 String names[] = p.info.authority.split(";"); 8305 for (int j = 0; j < names.length; j++) { 8306 if (mProvidersByAuthority.containsKey(names[j])) { 8307 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8308 final String otherPackageName = 8309 ((other != null && other.getComponentName() != null) ? 8310 other.getComponentName().getPackageName() : "?"); 8311 throw new PackageManagerException( 8312 INSTALL_FAILED_CONFLICTING_PROVIDER, 8313 "Can't install because provider name " + names[j] 8314 + " (in package " + pkg.applicationInfo.packageName 8315 + ") is already used by " + otherPackageName); 8316 } 8317 } 8318 } 8319 } 8320 } 8321 8322 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8323 // This package wants to adopt ownership of permissions from 8324 // another package. 8325 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8326 final String origName = pkg.mAdoptPermissions.get(i); 8327 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8328 if (orig != null) { 8329 if (verifyPackageUpdateLPr(orig, pkg)) { 8330 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8331 + pkg.packageName); 8332 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8333 } 8334 } 8335 } 8336 } 8337 } 8338 8339 final String pkgName = pkg.packageName; 8340 8341 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8342 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8343 pkg.applicationInfo.processName = fixProcessName( 8344 pkg.applicationInfo.packageName, 8345 pkg.applicationInfo.processName, 8346 pkg.applicationInfo.uid); 8347 8348 if (pkg != mPlatformPackage) { 8349 // Get all of our default paths setup 8350 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8351 } 8352 8353 final String path = scanFile.getPath(); 8354 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8355 8356 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8357 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8358 8359 // Some system apps still use directory structure for native libraries 8360 // in which case we might end up not detecting abi solely based on apk 8361 // structure. Try to detect abi based on directory structure. 8362 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8363 pkg.applicationInfo.primaryCpuAbi == null) { 8364 setBundledAppAbisAndRoots(pkg, pkgSetting); 8365 setNativeLibraryPaths(pkg); 8366 } 8367 8368 } else { 8369 if ((scanFlags & SCAN_MOVE) != 0) { 8370 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8371 // but we already have this packages package info in the PackageSetting. We just 8372 // use that and derive the native library path based on the new codepath. 8373 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8374 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8375 } 8376 8377 // Set native library paths again. For moves, the path will be updated based on the 8378 // ABIs we've determined above. For non-moves, the path will be updated based on the 8379 // ABIs we determined during compilation, but the path will depend on the final 8380 // package path (after the rename away from the stage path). 8381 setNativeLibraryPaths(pkg); 8382 } 8383 8384 // This is a special case for the "system" package, where the ABI is 8385 // dictated by the zygote configuration (and init.rc). We should keep track 8386 // of this ABI so that we can deal with "normal" applications that run under 8387 // the same UID correctly. 8388 if (mPlatformPackage == pkg) { 8389 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8390 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8391 } 8392 8393 // If there's a mismatch between the abi-override in the package setting 8394 // and the abiOverride specified for the install. Warn about this because we 8395 // would've already compiled the app without taking the package setting into 8396 // account. 8397 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8398 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8399 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8400 " for package " + pkg.packageName); 8401 } 8402 } 8403 8404 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8405 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8406 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8407 8408 // Copy the derived override back to the parsed package, so that we can 8409 // update the package settings accordingly. 8410 pkg.cpuAbiOverride = cpuAbiOverride; 8411 8412 if (DEBUG_ABI_SELECTION) { 8413 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8414 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8415 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8416 } 8417 8418 // Push the derived path down into PackageSettings so we know what to 8419 // clean up at uninstall time. 8420 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8421 8422 if (DEBUG_ABI_SELECTION) { 8423 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8424 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8425 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8426 } 8427 8428 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8429 // We don't do this here during boot because we can do it all 8430 // at once after scanning all existing packages. 8431 // 8432 // We also do this *before* we perform dexopt on this package, so that 8433 // we can avoid redundant dexopts, and also to make sure we've got the 8434 // code and package path correct. 8435 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8436 pkg, true /* boot complete */); 8437 } 8438 8439 if (mFactoryTest && pkg.requestedPermissions.contains( 8440 android.Manifest.permission.FACTORY_TEST)) { 8441 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8442 } 8443 8444 if (isSystemApp(pkg)) { 8445 pkgSetting.isOrphaned = true; 8446 } 8447 8448 ArrayList<PackageParser.Package> clientLibPkgs = null; 8449 8450 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8451 if (nonMutatedPs != null) { 8452 synchronized (mPackages) { 8453 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8454 } 8455 } 8456 return pkg; 8457 } 8458 8459 // Only privileged apps and updated privileged apps can add child packages. 8460 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8461 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8462 throw new PackageManagerException("Only privileged apps and updated " 8463 + "privileged apps can add child packages. Ignoring package " 8464 + pkg.packageName); 8465 } 8466 final int childCount = pkg.childPackages.size(); 8467 for (int i = 0; i < childCount; i++) { 8468 PackageParser.Package childPkg = pkg.childPackages.get(i); 8469 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8470 childPkg.packageName)) { 8471 throw new PackageManagerException("Cannot override a child package of " 8472 + "another disabled system app. Ignoring package " + pkg.packageName); 8473 } 8474 } 8475 } 8476 8477 // writer 8478 synchronized (mPackages) { 8479 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8480 // Only system apps can add new shared libraries. 8481 if (pkg.libraryNames != null) { 8482 for (int i=0; i<pkg.libraryNames.size(); i++) { 8483 String name = pkg.libraryNames.get(i); 8484 boolean allowed = false; 8485 if (pkg.isUpdatedSystemApp()) { 8486 // New library entries can only be added through the 8487 // system image. This is important to get rid of a lot 8488 // of nasty edge cases: for example if we allowed a non- 8489 // system update of the app to add a library, then uninstalling 8490 // the update would make the library go away, and assumptions 8491 // we made such as through app install filtering would now 8492 // have allowed apps on the device which aren't compatible 8493 // with it. Better to just have the restriction here, be 8494 // conservative, and create many fewer cases that can negatively 8495 // impact the user experience. 8496 final PackageSetting sysPs = mSettings 8497 .getDisabledSystemPkgLPr(pkg.packageName); 8498 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8499 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8500 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8501 allowed = true; 8502 break; 8503 } 8504 } 8505 } 8506 } else { 8507 allowed = true; 8508 } 8509 if (allowed) { 8510 if (!mSharedLibraries.containsKey(name)) { 8511 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8512 } else if (!name.equals(pkg.packageName)) { 8513 Slog.w(TAG, "Package " + pkg.packageName + " library " 8514 + name + " already exists; skipping"); 8515 } 8516 } else { 8517 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8518 + name + " that is not declared on system image; skipping"); 8519 } 8520 } 8521 if ((scanFlags & SCAN_BOOTING) == 0) { 8522 // If we are not booting, we need to update any applications 8523 // that are clients of our shared library. If we are booting, 8524 // this will all be done once the scan is complete. 8525 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8526 } 8527 } 8528 } 8529 } 8530 8531 if ((scanFlags & SCAN_BOOTING) != 0) { 8532 // No apps can run during boot scan, so they don't need to be frozen 8533 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8534 // Caller asked to not kill app, so it's probably not frozen 8535 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8536 // Caller asked us to ignore frozen check for some reason; they 8537 // probably didn't know the package name 8538 } else { 8539 // We're doing major surgery on this package, so it better be frozen 8540 // right now to keep it from launching 8541 checkPackageFrozen(pkgName); 8542 } 8543 8544 // Also need to kill any apps that are dependent on the library. 8545 if (clientLibPkgs != null) { 8546 for (int i=0; i<clientLibPkgs.size(); i++) { 8547 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8548 killApplication(clientPkg.applicationInfo.packageName, 8549 clientPkg.applicationInfo.uid, "update lib"); 8550 } 8551 } 8552 8553 // Make sure we're not adding any bogus keyset info 8554 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8555 ksms.assertScannedPackageValid(pkg); 8556 8557 // writer 8558 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8559 8560 boolean createIdmapFailed = false; 8561 synchronized (mPackages) { 8562 // We don't expect installation to fail beyond this point 8563 8564 if (pkgSetting.pkg != null) { 8565 // Note that |user| might be null during the initial boot scan. If a codePath 8566 // for an app has changed during a boot scan, it's due to an app update that's 8567 // part of the system partition and marker changes must be applied to all users. 8568 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8569 (user != null) ? user : UserHandle.ALL); 8570 } 8571 8572 // Add the new setting to mSettings 8573 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8574 // Add the new setting to mPackages 8575 mPackages.put(pkg.applicationInfo.packageName, pkg); 8576 // Make sure we don't accidentally delete its data. 8577 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8578 while (iter.hasNext()) { 8579 PackageCleanItem item = iter.next(); 8580 if (pkgName.equals(item.packageName)) { 8581 iter.remove(); 8582 } 8583 } 8584 8585 // Take care of first install / last update times. 8586 if (currentTime != 0) { 8587 if (pkgSetting.firstInstallTime == 0) { 8588 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8589 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8590 pkgSetting.lastUpdateTime = currentTime; 8591 } 8592 } else if (pkgSetting.firstInstallTime == 0) { 8593 // We need *something*. Take time time stamp of the file. 8594 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8595 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8596 if (scanFileTime != pkgSetting.timeStamp) { 8597 // A package on the system image has changed; consider this 8598 // to be an update. 8599 pkgSetting.lastUpdateTime = scanFileTime; 8600 } 8601 } 8602 8603 // Add the package's KeySets to the global KeySetManagerService 8604 ksms.addScannedPackageLPw(pkg); 8605 8606 int N = pkg.providers.size(); 8607 StringBuilder r = null; 8608 int i; 8609 for (i=0; i<N; i++) { 8610 PackageParser.Provider p = pkg.providers.get(i); 8611 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8612 p.info.processName, pkg.applicationInfo.uid); 8613 mProviders.addProvider(p); 8614 p.syncable = p.info.isSyncable; 8615 if (p.info.authority != null) { 8616 String names[] = p.info.authority.split(";"); 8617 p.info.authority = null; 8618 for (int j = 0; j < names.length; j++) { 8619 if (j == 1 && p.syncable) { 8620 // We only want the first authority for a provider to possibly be 8621 // syncable, so if we already added this provider using a different 8622 // authority clear the syncable flag. We copy the provider before 8623 // changing it because the mProviders object contains a reference 8624 // to a provider that we don't want to change. 8625 // Only do this for the second authority since the resulting provider 8626 // object can be the same for all future authorities for this provider. 8627 p = new PackageParser.Provider(p); 8628 p.syncable = false; 8629 } 8630 if (!mProvidersByAuthority.containsKey(names[j])) { 8631 mProvidersByAuthority.put(names[j], p); 8632 if (p.info.authority == null) { 8633 p.info.authority = names[j]; 8634 } else { 8635 p.info.authority = p.info.authority + ";" + names[j]; 8636 } 8637 if (DEBUG_PACKAGE_SCANNING) { 8638 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8639 Log.d(TAG, "Registered content provider: " + names[j] 8640 + ", className = " + p.info.name + ", isSyncable = " 8641 + p.info.isSyncable); 8642 } 8643 } else { 8644 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8645 Slog.w(TAG, "Skipping provider name " + names[j] + 8646 " (in package " + pkg.applicationInfo.packageName + 8647 "): name already used by " 8648 + ((other != null && other.getComponentName() != null) 8649 ? other.getComponentName().getPackageName() : "?")); 8650 } 8651 } 8652 } 8653 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8654 if (r == null) { 8655 r = new StringBuilder(256); 8656 } else { 8657 r.append(' '); 8658 } 8659 r.append(p.info.name); 8660 } 8661 } 8662 if (r != null) { 8663 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8664 } 8665 8666 N = pkg.services.size(); 8667 r = null; 8668 for (i=0; i<N; i++) { 8669 PackageParser.Service s = pkg.services.get(i); 8670 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8671 s.info.processName, pkg.applicationInfo.uid); 8672 mServices.addService(s); 8673 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8674 if (r == null) { 8675 r = new StringBuilder(256); 8676 } else { 8677 r.append(' '); 8678 } 8679 r.append(s.info.name); 8680 } 8681 } 8682 if (r != null) { 8683 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8684 } 8685 8686 N = pkg.receivers.size(); 8687 r = null; 8688 for (i=0; i<N; i++) { 8689 PackageParser.Activity a = pkg.receivers.get(i); 8690 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8691 a.info.processName, pkg.applicationInfo.uid); 8692 mReceivers.addActivity(a, "receiver"); 8693 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8694 if (r == null) { 8695 r = new StringBuilder(256); 8696 } else { 8697 r.append(' '); 8698 } 8699 r.append(a.info.name); 8700 } 8701 } 8702 if (r != null) { 8703 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8704 } 8705 8706 N = pkg.activities.size(); 8707 r = null; 8708 for (i=0; i<N; i++) { 8709 PackageParser.Activity a = pkg.activities.get(i); 8710 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8711 a.info.processName, pkg.applicationInfo.uid); 8712 mActivities.addActivity(a, "activity"); 8713 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8714 if (r == null) { 8715 r = new StringBuilder(256); 8716 } else { 8717 r.append(' '); 8718 } 8719 r.append(a.info.name); 8720 } 8721 } 8722 if (r != null) { 8723 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8724 } 8725 8726 N = pkg.permissionGroups.size(); 8727 r = null; 8728 for (i=0; i<N; i++) { 8729 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8730 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8731 final String curPackageName = cur == null ? null : cur.info.packageName; 8732 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8733 if (cur == null || isPackageUpdate) { 8734 mPermissionGroups.put(pg.info.name, pg); 8735 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8736 if (r == null) { 8737 r = new StringBuilder(256); 8738 } else { 8739 r.append(' '); 8740 } 8741 if (isPackageUpdate) { 8742 r.append("UPD:"); 8743 } 8744 r.append(pg.info.name); 8745 } 8746 } else { 8747 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8748 + pg.info.packageName + " ignored: original from " 8749 + cur.info.packageName); 8750 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8751 if (r == null) { 8752 r = new StringBuilder(256); 8753 } else { 8754 r.append(' '); 8755 } 8756 r.append("DUP:"); 8757 r.append(pg.info.name); 8758 } 8759 } 8760 } 8761 if (r != null) { 8762 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8763 } 8764 8765 N = pkg.permissions.size(); 8766 r = null; 8767 for (i=0; i<N; i++) { 8768 PackageParser.Permission p = pkg.permissions.get(i); 8769 8770 // Assume by default that we did not install this permission into the system. 8771 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8772 8773 // Now that permission groups have a special meaning, we ignore permission 8774 // groups for legacy apps to prevent unexpected behavior. In particular, 8775 // permissions for one app being granted to someone just becase they happen 8776 // to be in a group defined by another app (before this had no implications). 8777 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8778 p.group = mPermissionGroups.get(p.info.group); 8779 // Warn for a permission in an unknown group. 8780 if (p.info.group != null && p.group == null) { 8781 Slog.w(TAG, "Permission " + p.info.name + " from package " 8782 + p.info.packageName + " in an unknown group " + p.info.group); 8783 } 8784 } 8785 8786 ArrayMap<String, BasePermission> permissionMap = 8787 p.tree ? mSettings.mPermissionTrees 8788 : mSettings.mPermissions; 8789 BasePermission bp = permissionMap.get(p.info.name); 8790 8791 // Allow system apps to redefine non-system permissions 8792 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8793 final boolean currentOwnerIsSystem = (bp.perm != null 8794 && isSystemApp(bp.perm.owner)); 8795 if (isSystemApp(p.owner)) { 8796 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8797 // It's a built-in permission and no owner, take ownership now 8798 bp.packageSetting = pkgSetting; 8799 bp.perm = p; 8800 bp.uid = pkg.applicationInfo.uid; 8801 bp.sourcePackage = p.info.packageName; 8802 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8803 } else if (!currentOwnerIsSystem) { 8804 String msg = "New decl " + p.owner + " of permission " 8805 + p.info.name + " is system; overriding " + bp.sourcePackage; 8806 reportSettingsProblem(Log.WARN, msg); 8807 bp = null; 8808 } 8809 } 8810 } 8811 8812 if (bp == null) { 8813 bp = new BasePermission(p.info.name, p.info.packageName, 8814 BasePermission.TYPE_NORMAL); 8815 permissionMap.put(p.info.name, bp); 8816 } 8817 8818 if (bp.perm == null) { 8819 if (bp.sourcePackage == null 8820 || bp.sourcePackage.equals(p.info.packageName)) { 8821 BasePermission tree = findPermissionTreeLP(p.info.name); 8822 if (tree == null 8823 || tree.sourcePackage.equals(p.info.packageName)) { 8824 bp.packageSetting = pkgSetting; 8825 bp.perm = p; 8826 bp.uid = pkg.applicationInfo.uid; 8827 bp.sourcePackage = p.info.packageName; 8828 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8829 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8830 if (r == null) { 8831 r = new StringBuilder(256); 8832 } else { 8833 r.append(' '); 8834 } 8835 r.append(p.info.name); 8836 } 8837 } else { 8838 Slog.w(TAG, "Permission " + p.info.name + " from package " 8839 + p.info.packageName + " ignored: base tree " 8840 + tree.name + " is from package " 8841 + tree.sourcePackage); 8842 } 8843 } else { 8844 Slog.w(TAG, "Permission " + p.info.name + " from package " 8845 + p.info.packageName + " ignored: original from " 8846 + bp.sourcePackage); 8847 } 8848 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8849 if (r == null) { 8850 r = new StringBuilder(256); 8851 } else { 8852 r.append(' '); 8853 } 8854 r.append("DUP:"); 8855 r.append(p.info.name); 8856 } 8857 if (bp.perm == p) { 8858 bp.protectionLevel = p.info.protectionLevel; 8859 } 8860 } 8861 8862 if (r != null) { 8863 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8864 } 8865 8866 N = pkg.instrumentation.size(); 8867 r = null; 8868 for (i=0; i<N; i++) { 8869 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8870 a.info.packageName = pkg.applicationInfo.packageName; 8871 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8872 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8873 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8874 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8875 a.info.dataDir = pkg.applicationInfo.dataDir; 8876 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8877 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8878 8879 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8880 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8881 mInstrumentation.put(a.getComponentName(), a); 8882 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8883 if (r == null) { 8884 r = new StringBuilder(256); 8885 } else { 8886 r.append(' '); 8887 } 8888 r.append(a.info.name); 8889 } 8890 } 8891 if (r != null) { 8892 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8893 } 8894 8895 if (pkg.protectedBroadcasts != null) { 8896 N = pkg.protectedBroadcasts.size(); 8897 for (i=0; i<N; i++) { 8898 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8899 } 8900 } 8901 8902 pkgSetting.setTimeStamp(scanFileTime); 8903 8904 // Create idmap files for pairs of (packages, overlay packages). 8905 // Note: "android", ie framework-res.apk, is handled by native layers. 8906 if (pkg.mOverlayTarget != null) { 8907 // This is an overlay package. 8908 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8909 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8910 mOverlays.put(pkg.mOverlayTarget, 8911 new ArrayMap<String, PackageParser.Package>()); 8912 } 8913 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8914 map.put(pkg.packageName, pkg); 8915 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8916 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8917 createIdmapFailed = true; 8918 } 8919 } 8920 } else if (mOverlays.containsKey(pkg.packageName) && 8921 !pkg.packageName.equals("android")) { 8922 // This is a regular package, with one or more known overlay packages. 8923 createIdmapsForPackageLI(pkg); 8924 } 8925 } 8926 8927 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8928 8929 if (createIdmapFailed) { 8930 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8931 "scanPackageLI failed to createIdmap"); 8932 } 8933 return pkg; 8934 } 8935 8936 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8937 PackageParser.Package update, UserHandle user) { 8938 if (existing.applicationInfo == null || update.applicationInfo == null) { 8939 // This isn't due to an app installation. 8940 return; 8941 } 8942 8943 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8944 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8945 8946 // The codePath hasn't changed, so there's nothing for us to do. 8947 if (Objects.equals(oldCodePath, newCodePath)) { 8948 return; 8949 } 8950 8951 File canonicalNewCodePath; 8952 try { 8953 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8954 } catch (IOException e) { 8955 Slog.w(TAG, "Failed to get canonical path.", e); 8956 return; 8957 } 8958 8959 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8960 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8961 // that the last component of the path (i.e, the name) doesn't need canonicalization 8962 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8963 // but may change in the future. Hopefully this function won't exist at that point. 8964 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8965 oldCodePath.getName()); 8966 8967 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8968 // with "@". 8969 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8970 if (!oldMarkerPrefix.endsWith("@")) { 8971 oldMarkerPrefix += "@"; 8972 } 8973 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8974 if (!newMarkerPrefix.endsWith("@")) { 8975 newMarkerPrefix += "@"; 8976 } 8977 8978 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8979 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8980 for (String updatedPath : updatedPaths) { 8981 String updatedPathName = new File(updatedPath).getName(); 8982 markerSuffixes.add(updatedPathName.replace('/', '@')); 8983 } 8984 8985 for (int userId : resolveUserIds(user.getIdentifier())) { 8986 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 8987 8988 for (String markerSuffix : markerSuffixes) { 8989 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 8990 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 8991 if (oldForeignUseMark.exists()) { 8992 try { 8993 Os.rename(oldForeignUseMark.getAbsolutePath(), 8994 newForeignUseMark.getAbsolutePath()); 8995 } catch (ErrnoException e) { 8996 Slog.w(TAG, "Failed to rename foreign use marker", e); 8997 oldForeignUseMark.delete(); 8998 } 8999 } 9000 } 9001 } 9002 } 9003 9004 /** 9005 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9006 * is derived purely on the basis of the contents of {@code scanFile} and 9007 * {@code cpuAbiOverride}. 9008 * 9009 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9010 */ 9011 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9012 String cpuAbiOverride, boolean extractLibs) 9013 throws PackageManagerException { 9014 // TODO: We can probably be smarter about this stuff. For installed apps, 9015 // we can calculate this information at install time once and for all. For 9016 // system apps, we can probably assume that this information doesn't change 9017 // after the first boot scan. As things stand, we do lots of unnecessary work. 9018 9019 // Give ourselves some initial paths; we'll come back for another 9020 // pass once we've determined ABI below. 9021 setNativeLibraryPaths(pkg); 9022 9023 // We would never need to extract libs for forward-locked and external packages, 9024 // since the container service will do it for us. We shouldn't attempt to 9025 // extract libs from system app when it was not updated. 9026 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9027 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9028 extractLibs = false; 9029 } 9030 9031 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9032 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9033 9034 NativeLibraryHelper.Handle handle = null; 9035 try { 9036 handle = NativeLibraryHelper.Handle.create(pkg); 9037 // TODO(multiArch): This can be null for apps that didn't go through the 9038 // usual installation process. We can calculate it again, like we 9039 // do during install time. 9040 // 9041 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9042 // unnecessary. 9043 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9044 9045 // Null out the abis so that they can be recalculated. 9046 pkg.applicationInfo.primaryCpuAbi = null; 9047 pkg.applicationInfo.secondaryCpuAbi = null; 9048 if (isMultiArch(pkg.applicationInfo)) { 9049 // Warn if we've set an abiOverride for multi-lib packages.. 9050 // By definition, we need to copy both 32 and 64 bit libraries for 9051 // such packages. 9052 if (pkg.cpuAbiOverride != null 9053 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9054 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9055 } 9056 9057 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9058 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9059 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9060 if (extractLibs) { 9061 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9062 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9063 useIsaSpecificSubdirs); 9064 } else { 9065 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9066 } 9067 } 9068 9069 maybeThrowExceptionForMultiArchCopy( 9070 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9071 9072 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9073 if (extractLibs) { 9074 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9075 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9076 useIsaSpecificSubdirs); 9077 } else { 9078 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9079 } 9080 } 9081 9082 maybeThrowExceptionForMultiArchCopy( 9083 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9084 9085 if (abi64 >= 0) { 9086 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9087 } 9088 9089 if (abi32 >= 0) { 9090 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9091 if (abi64 >= 0) { 9092 if (pkg.use32bitAbi) { 9093 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9094 pkg.applicationInfo.primaryCpuAbi = abi; 9095 } else { 9096 pkg.applicationInfo.secondaryCpuAbi = abi; 9097 } 9098 } else { 9099 pkg.applicationInfo.primaryCpuAbi = abi; 9100 } 9101 } 9102 9103 } else { 9104 String[] abiList = (cpuAbiOverride != null) ? 9105 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9106 9107 // Enable gross and lame hacks for apps that are built with old 9108 // SDK tools. We must scan their APKs for renderscript bitcode and 9109 // not launch them if it's present. Don't bother checking on devices 9110 // that don't have 64 bit support. 9111 boolean needsRenderScriptOverride = false; 9112 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9113 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9114 abiList = Build.SUPPORTED_32_BIT_ABIS; 9115 needsRenderScriptOverride = true; 9116 } 9117 9118 final int copyRet; 9119 if (extractLibs) { 9120 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9121 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9122 } else { 9123 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9124 } 9125 9126 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9127 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9128 "Error unpackaging native libs for app, errorCode=" + copyRet); 9129 } 9130 9131 if (copyRet >= 0) { 9132 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9133 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9134 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9135 } else if (needsRenderScriptOverride) { 9136 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9137 } 9138 } 9139 } catch (IOException ioe) { 9140 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9141 } finally { 9142 IoUtils.closeQuietly(handle); 9143 } 9144 9145 // Now that we've calculated the ABIs and determined if it's an internal app, 9146 // we will go ahead and populate the nativeLibraryPath. 9147 setNativeLibraryPaths(pkg); 9148 } 9149 9150 /** 9151 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9152 * i.e, so that all packages can be run inside a single process if required. 9153 * 9154 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9155 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9156 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9157 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9158 * updating a package that belongs to a shared user. 9159 * 9160 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9161 * adds unnecessary complexity. 9162 */ 9163 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9164 PackageParser.Package scannedPackage, boolean bootComplete) { 9165 String requiredInstructionSet = null; 9166 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9167 requiredInstructionSet = VMRuntime.getInstructionSet( 9168 scannedPackage.applicationInfo.primaryCpuAbi); 9169 } 9170 9171 PackageSetting requirer = null; 9172 for (PackageSetting ps : packagesForUser) { 9173 // If packagesForUser contains scannedPackage, we skip it. This will happen 9174 // when scannedPackage is an update of an existing package. Without this check, 9175 // we will never be able to change the ABI of any package belonging to a shared 9176 // user, even if it's compatible with other packages. 9177 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9178 if (ps.primaryCpuAbiString == null) { 9179 continue; 9180 } 9181 9182 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9183 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9184 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9185 // this but there's not much we can do. 9186 String errorMessage = "Instruction set mismatch, " 9187 + ((requirer == null) ? "[caller]" : requirer) 9188 + " requires " + requiredInstructionSet + " whereas " + ps 9189 + " requires " + instructionSet; 9190 Slog.w(TAG, errorMessage); 9191 } 9192 9193 if (requiredInstructionSet == null) { 9194 requiredInstructionSet = instructionSet; 9195 requirer = ps; 9196 } 9197 } 9198 } 9199 9200 if (requiredInstructionSet != null) { 9201 String adjustedAbi; 9202 if (requirer != null) { 9203 // requirer != null implies that either scannedPackage was null or that scannedPackage 9204 // did not require an ABI, in which case we have to adjust scannedPackage to match 9205 // the ABI of the set (which is the same as requirer's ABI) 9206 adjustedAbi = requirer.primaryCpuAbiString; 9207 if (scannedPackage != null) { 9208 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9209 } 9210 } else { 9211 // requirer == null implies that we're updating all ABIs in the set to 9212 // match scannedPackage. 9213 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9214 } 9215 9216 for (PackageSetting ps : packagesForUser) { 9217 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9218 if (ps.primaryCpuAbiString != null) { 9219 continue; 9220 } 9221 9222 ps.primaryCpuAbiString = adjustedAbi; 9223 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9224 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9225 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9226 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9227 + " (requirer=" 9228 + (requirer == null ? "null" : requirer.pkg.packageName) 9229 + ", scannedPackage=" 9230 + (scannedPackage != null ? scannedPackage.packageName : "null") 9231 + ")"); 9232 try { 9233 mInstaller.rmdex(ps.codePathString, 9234 getDexCodeInstructionSet(getPreferredInstructionSet())); 9235 } catch (InstallerException ignored) { 9236 } 9237 } 9238 } 9239 } 9240 } 9241 } 9242 9243 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9244 synchronized (mPackages) { 9245 mResolverReplaced = true; 9246 // Set up information for custom user intent resolution activity. 9247 mResolveActivity.applicationInfo = pkg.applicationInfo; 9248 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9249 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9250 mResolveActivity.processName = pkg.applicationInfo.packageName; 9251 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9252 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9253 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9254 mResolveActivity.theme = 0; 9255 mResolveActivity.exported = true; 9256 mResolveActivity.enabled = true; 9257 mResolveInfo.activityInfo = mResolveActivity; 9258 mResolveInfo.priority = 0; 9259 mResolveInfo.preferredOrder = 0; 9260 mResolveInfo.match = 0; 9261 mResolveComponentName = mCustomResolverComponentName; 9262 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9263 mResolveComponentName); 9264 } 9265 } 9266 9267 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9268 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9269 9270 // Set up information for ephemeral installer activity 9271 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9272 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9273 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9274 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9275 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9276 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9277 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9278 mEphemeralInstallerActivity.theme = 0; 9279 mEphemeralInstallerActivity.exported = true; 9280 mEphemeralInstallerActivity.enabled = true; 9281 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9282 mEphemeralInstallerInfo.priority = 0; 9283 mEphemeralInstallerInfo.preferredOrder = 1; 9284 mEphemeralInstallerInfo.isDefault = true; 9285 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9286 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9287 9288 if (DEBUG_EPHEMERAL) { 9289 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9290 } 9291 } 9292 9293 private static String calculateBundledApkRoot(final String codePathString) { 9294 final File codePath = new File(codePathString); 9295 final File codeRoot; 9296 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9297 codeRoot = Environment.getRootDirectory(); 9298 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9299 codeRoot = Environment.getOemDirectory(); 9300 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9301 codeRoot = Environment.getVendorDirectory(); 9302 } else { 9303 // Unrecognized code path; take its top real segment as the apk root: 9304 // e.g. /something/app/blah.apk => /something 9305 try { 9306 File f = codePath.getCanonicalFile(); 9307 File parent = f.getParentFile(); // non-null because codePath is a file 9308 File tmp; 9309 while ((tmp = parent.getParentFile()) != null) { 9310 f = parent; 9311 parent = tmp; 9312 } 9313 codeRoot = f; 9314 Slog.w(TAG, "Unrecognized code path " 9315 + codePath + " - using " + codeRoot); 9316 } catch (IOException e) { 9317 // Can't canonicalize the code path -- shenanigans? 9318 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9319 return Environment.getRootDirectory().getPath(); 9320 } 9321 } 9322 return codeRoot.getPath(); 9323 } 9324 9325 /** 9326 * Derive and set the location of native libraries for the given package, 9327 * which varies depending on where and how the package was installed. 9328 */ 9329 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9330 final ApplicationInfo info = pkg.applicationInfo; 9331 final String codePath = pkg.codePath; 9332 final File codeFile = new File(codePath); 9333 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9334 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9335 9336 info.nativeLibraryRootDir = null; 9337 info.nativeLibraryRootRequiresIsa = false; 9338 info.nativeLibraryDir = null; 9339 info.secondaryNativeLibraryDir = null; 9340 9341 if (isApkFile(codeFile)) { 9342 // Monolithic install 9343 if (bundledApp) { 9344 // If "/system/lib64/apkname" exists, assume that is the per-package 9345 // native library directory to use; otherwise use "/system/lib/apkname". 9346 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9347 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9348 getPrimaryInstructionSet(info)); 9349 9350 // This is a bundled system app so choose the path based on the ABI. 9351 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9352 // is just the default path. 9353 final String apkName = deriveCodePathName(codePath); 9354 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9355 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9356 apkName).getAbsolutePath(); 9357 9358 if (info.secondaryCpuAbi != null) { 9359 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9360 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9361 secondaryLibDir, apkName).getAbsolutePath(); 9362 } 9363 } else if (asecApp) { 9364 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9365 .getAbsolutePath(); 9366 } else { 9367 final String apkName = deriveCodePathName(codePath); 9368 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9369 .getAbsolutePath(); 9370 } 9371 9372 info.nativeLibraryRootRequiresIsa = false; 9373 info.nativeLibraryDir = info.nativeLibraryRootDir; 9374 } else { 9375 // Cluster install 9376 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9377 info.nativeLibraryRootRequiresIsa = true; 9378 9379 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9380 getPrimaryInstructionSet(info)).getAbsolutePath(); 9381 9382 if (info.secondaryCpuAbi != null) { 9383 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9384 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9385 } 9386 } 9387 } 9388 9389 /** 9390 * Calculate the abis and roots for a bundled app. These can uniquely 9391 * be determined from the contents of the system partition, i.e whether 9392 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9393 * of this information, and instead assume that the system was built 9394 * sensibly. 9395 */ 9396 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9397 PackageSetting pkgSetting) { 9398 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9399 9400 // If "/system/lib64/apkname" exists, assume that is the per-package 9401 // native library directory to use; otherwise use "/system/lib/apkname". 9402 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9403 setBundledAppAbi(pkg, apkRoot, apkName); 9404 // pkgSetting might be null during rescan following uninstall of updates 9405 // to a bundled app, so accommodate that possibility. The settings in 9406 // that case will be established later from the parsed package. 9407 // 9408 // If the settings aren't null, sync them up with what we've just derived. 9409 // note that apkRoot isn't stored in the package settings. 9410 if (pkgSetting != null) { 9411 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9412 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9413 } 9414 } 9415 9416 /** 9417 * Deduces the ABI of a bundled app and sets the relevant fields on the 9418 * parsed pkg object. 9419 * 9420 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9421 * under which system libraries are installed. 9422 * @param apkName the name of the installed package. 9423 */ 9424 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9425 final File codeFile = new File(pkg.codePath); 9426 9427 final boolean has64BitLibs; 9428 final boolean has32BitLibs; 9429 if (isApkFile(codeFile)) { 9430 // Monolithic install 9431 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9432 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9433 } else { 9434 // Cluster install 9435 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9436 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9437 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9438 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9439 has64BitLibs = (new File(rootDir, isa)).exists(); 9440 } else { 9441 has64BitLibs = false; 9442 } 9443 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9444 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9445 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9446 has32BitLibs = (new File(rootDir, isa)).exists(); 9447 } else { 9448 has32BitLibs = false; 9449 } 9450 } 9451 9452 if (has64BitLibs && !has32BitLibs) { 9453 // The package has 64 bit libs, but not 32 bit libs. Its primary 9454 // ABI should be 64 bit. We can safely assume here that the bundled 9455 // native libraries correspond to the most preferred ABI in the list. 9456 9457 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9458 pkg.applicationInfo.secondaryCpuAbi = null; 9459 } else if (has32BitLibs && !has64BitLibs) { 9460 // The package has 32 bit libs but not 64 bit libs. Its primary 9461 // ABI should be 32 bit. 9462 9463 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9464 pkg.applicationInfo.secondaryCpuAbi = null; 9465 } else if (has32BitLibs && has64BitLibs) { 9466 // The application has both 64 and 32 bit bundled libraries. We check 9467 // here that the app declares multiArch support, and warn if it doesn't. 9468 // 9469 // We will be lenient here and record both ABIs. The primary will be the 9470 // ABI that's higher on the list, i.e, a device that's configured to prefer 9471 // 64 bit apps will see a 64 bit primary ABI, 9472 9473 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9474 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9475 } 9476 9477 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9478 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9479 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9480 } else { 9481 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9482 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9483 } 9484 } else { 9485 pkg.applicationInfo.primaryCpuAbi = null; 9486 pkg.applicationInfo.secondaryCpuAbi = null; 9487 } 9488 } 9489 9490 private void killApplication(String pkgName, int appId, String reason) { 9491 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9492 } 9493 9494 private void killApplication(String pkgName, int appId, int userId, String reason) { 9495 // Request the ActivityManager to kill the process(only for existing packages) 9496 // so that we do not end up in a confused state while the user is still using the older 9497 // version of the application while the new one gets installed. 9498 final long token = Binder.clearCallingIdentity(); 9499 try { 9500 IActivityManager am = ActivityManagerNative.getDefault(); 9501 if (am != null) { 9502 try { 9503 am.killApplication(pkgName, appId, userId, reason); 9504 } catch (RemoteException e) { 9505 } 9506 } 9507 } finally { 9508 Binder.restoreCallingIdentity(token); 9509 } 9510 } 9511 9512 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9513 // Remove the parent package setting 9514 PackageSetting ps = (PackageSetting) pkg.mExtras; 9515 if (ps != null) { 9516 removePackageLI(ps, chatty); 9517 } 9518 // Remove the child package setting 9519 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9520 for (int i = 0; i < childCount; i++) { 9521 PackageParser.Package childPkg = pkg.childPackages.get(i); 9522 ps = (PackageSetting) childPkg.mExtras; 9523 if (ps != null) { 9524 removePackageLI(ps, chatty); 9525 } 9526 } 9527 } 9528 9529 void removePackageLI(PackageSetting ps, boolean chatty) { 9530 if (DEBUG_INSTALL) { 9531 if (chatty) 9532 Log.d(TAG, "Removing package " + ps.name); 9533 } 9534 9535 // writer 9536 synchronized (mPackages) { 9537 mPackages.remove(ps.name); 9538 final PackageParser.Package pkg = ps.pkg; 9539 if (pkg != null) { 9540 cleanPackageDataStructuresLILPw(pkg, chatty); 9541 } 9542 } 9543 } 9544 9545 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9546 if (DEBUG_INSTALL) { 9547 if (chatty) 9548 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9549 } 9550 9551 // writer 9552 synchronized (mPackages) { 9553 // Remove the parent package 9554 mPackages.remove(pkg.applicationInfo.packageName); 9555 cleanPackageDataStructuresLILPw(pkg, chatty); 9556 9557 // Remove the child packages 9558 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9559 for (int i = 0; i < childCount; i++) { 9560 PackageParser.Package childPkg = pkg.childPackages.get(i); 9561 mPackages.remove(childPkg.applicationInfo.packageName); 9562 cleanPackageDataStructuresLILPw(childPkg, chatty); 9563 } 9564 } 9565 } 9566 9567 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9568 int N = pkg.providers.size(); 9569 StringBuilder r = null; 9570 int i; 9571 for (i=0; i<N; i++) { 9572 PackageParser.Provider p = pkg.providers.get(i); 9573 mProviders.removeProvider(p); 9574 if (p.info.authority == null) { 9575 9576 /* There was another ContentProvider with this authority when 9577 * this app was installed so this authority is null, 9578 * Ignore it as we don't have to unregister the provider. 9579 */ 9580 continue; 9581 } 9582 String names[] = p.info.authority.split(";"); 9583 for (int j = 0; j < names.length; j++) { 9584 if (mProvidersByAuthority.get(names[j]) == p) { 9585 mProvidersByAuthority.remove(names[j]); 9586 if (DEBUG_REMOVE) { 9587 if (chatty) 9588 Log.d(TAG, "Unregistered content provider: " + names[j] 9589 + ", className = " + p.info.name + ", isSyncable = " 9590 + p.info.isSyncable); 9591 } 9592 } 9593 } 9594 if (DEBUG_REMOVE && chatty) { 9595 if (r == null) { 9596 r = new StringBuilder(256); 9597 } else { 9598 r.append(' '); 9599 } 9600 r.append(p.info.name); 9601 } 9602 } 9603 if (r != null) { 9604 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9605 } 9606 9607 N = pkg.services.size(); 9608 r = null; 9609 for (i=0; i<N; i++) { 9610 PackageParser.Service s = pkg.services.get(i); 9611 mServices.removeService(s); 9612 if (chatty) { 9613 if (r == null) { 9614 r = new StringBuilder(256); 9615 } else { 9616 r.append(' '); 9617 } 9618 r.append(s.info.name); 9619 } 9620 } 9621 if (r != null) { 9622 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9623 } 9624 9625 N = pkg.receivers.size(); 9626 r = null; 9627 for (i=0; i<N; i++) { 9628 PackageParser.Activity a = pkg.receivers.get(i); 9629 mReceivers.removeActivity(a, "receiver"); 9630 if (DEBUG_REMOVE && chatty) { 9631 if (r == null) { 9632 r = new StringBuilder(256); 9633 } else { 9634 r.append(' '); 9635 } 9636 r.append(a.info.name); 9637 } 9638 } 9639 if (r != null) { 9640 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9641 } 9642 9643 N = pkg.activities.size(); 9644 r = null; 9645 for (i=0; i<N; i++) { 9646 PackageParser.Activity a = pkg.activities.get(i); 9647 mActivities.removeActivity(a, "activity"); 9648 if (DEBUG_REMOVE && chatty) { 9649 if (r == null) { 9650 r = new StringBuilder(256); 9651 } else { 9652 r.append(' '); 9653 } 9654 r.append(a.info.name); 9655 } 9656 } 9657 if (r != null) { 9658 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9659 } 9660 9661 N = pkg.permissions.size(); 9662 r = null; 9663 for (i=0; i<N; i++) { 9664 PackageParser.Permission p = pkg.permissions.get(i); 9665 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9666 if (bp == null) { 9667 bp = mSettings.mPermissionTrees.get(p.info.name); 9668 } 9669 if (bp != null && bp.perm == p) { 9670 bp.perm = null; 9671 if (DEBUG_REMOVE && chatty) { 9672 if (r == null) { 9673 r = new StringBuilder(256); 9674 } else { 9675 r.append(' '); 9676 } 9677 r.append(p.info.name); 9678 } 9679 } 9680 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9681 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9682 if (appOpPkgs != null) { 9683 appOpPkgs.remove(pkg.packageName); 9684 } 9685 } 9686 } 9687 if (r != null) { 9688 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9689 } 9690 9691 N = pkg.requestedPermissions.size(); 9692 r = null; 9693 for (i=0; i<N; i++) { 9694 String perm = pkg.requestedPermissions.get(i); 9695 BasePermission bp = mSettings.mPermissions.get(perm); 9696 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9697 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9698 if (appOpPkgs != null) { 9699 appOpPkgs.remove(pkg.packageName); 9700 if (appOpPkgs.isEmpty()) { 9701 mAppOpPermissionPackages.remove(perm); 9702 } 9703 } 9704 } 9705 } 9706 if (r != null) { 9707 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9708 } 9709 9710 N = pkg.instrumentation.size(); 9711 r = null; 9712 for (i=0; i<N; i++) { 9713 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9714 mInstrumentation.remove(a.getComponentName()); 9715 if (DEBUG_REMOVE && chatty) { 9716 if (r == null) { 9717 r = new StringBuilder(256); 9718 } else { 9719 r.append(' '); 9720 } 9721 r.append(a.info.name); 9722 } 9723 } 9724 if (r != null) { 9725 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9726 } 9727 9728 r = null; 9729 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9730 // Only system apps can hold shared libraries. 9731 if (pkg.libraryNames != null) { 9732 for (i=0; i<pkg.libraryNames.size(); i++) { 9733 String name = pkg.libraryNames.get(i); 9734 SharedLibraryEntry cur = mSharedLibraries.get(name); 9735 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9736 mSharedLibraries.remove(name); 9737 if (DEBUG_REMOVE && chatty) { 9738 if (r == null) { 9739 r = new StringBuilder(256); 9740 } else { 9741 r.append(' '); 9742 } 9743 r.append(name); 9744 } 9745 } 9746 } 9747 } 9748 } 9749 if (r != null) { 9750 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9751 } 9752 } 9753 9754 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9755 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9756 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9757 return true; 9758 } 9759 } 9760 return false; 9761 } 9762 9763 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9764 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9765 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9766 9767 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9768 // Update the parent permissions 9769 updatePermissionsLPw(pkg.packageName, pkg, flags); 9770 // Update the child permissions 9771 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9772 for (int i = 0; i < childCount; i++) { 9773 PackageParser.Package childPkg = pkg.childPackages.get(i); 9774 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9775 } 9776 } 9777 9778 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9779 int flags) { 9780 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9781 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9782 } 9783 9784 private void updatePermissionsLPw(String changingPkg, 9785 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9786 // Make sure there are no dangling permission trees. 9787 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9788 while (it.hasNext()) { 9789 final BasePermission bp = it.next(); 9790 if (bp.packageSetting == null) { 9791 // We may not yet have parsed the package, so just see if 9792 // we still know about its settings. 9793 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9794 } 9795 if (bp.packageSetting == null) { 9796 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9797 + " from package " + bp.sourcePackage); 9798 it.remove(); 9799 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9800 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9801 Slog.i(TAG, "Removing old permission tree: " + bp.name 9802 + " from package " + bp.sourcePackage); 9803 flags |= UPDATE_PERMISSIONS_ALL; 9804 it.remove(); 9805 } 9806 } 9807 } 9808 9809 // Make sure all dynamic permissions have been assigned to a package, 9810 // and make sure there are no dangling permissions. 9811 it = mSettings.mPermissions.values().iterator(); 9812 while (it.hasNext()) { 9813 final BasePermission bp = it.next(); 9814 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9815 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9816 + bp.name + " pkg=" + bp.sourcePackage 9817 + " info=" + bp.pendingInfo); 9818 if (bp.packageSetting == null && bp.pendingInfo != null) { 9819 final BasePermission tree = findPermissionTreeLP(bp.name); 9820 if (tree != null && tree.perm != null) { 9821 bp.packageSetting = tree.packageSetting; 9822 bp.perm = new PackageParser.Permission(tree.perm.owner, 9823 new PermissionInfo(bp.pendingInfo)); 9824 bp.perm.info.packageName = tree.perm.info.packageName; 9825 bp.perm.info.name = bp.name; 9826 bp.uid = tree.uid; 9827 } 9828 } 9829 } 9830 if (bp.packageSetting == null) { 9831 // We may not yet have parsed the package, so just see if 9832 // we still know about its settings. 9833 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9834 } 9835 if (bp.packageSetting == null) { 9836 Slog.w(TAG, "Removing dangling permission: " + bp.name 9837 + " from package " + bp.sourcePackage); 9838 it.remove(); 9839 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9840 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9841 Slog.i(TAG, "Removing old permission: " + bp.name 9842 + " from package " + bp.sourcePackage); 9843 flags |= UPDATE_PERMISSIONS_ALL; 9844 it.remove(); 9845 } 9846 } 9847 } 9848 9849 // Now update the permissions for all packages, in particular 9850 // replace the granted permissions of the system packages. 9851 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9852 for (PackageParser.Package pkg : mPackages.values()) { 9853 if (pkg != pkgInfo) { 9854 // Only replace for packages on requested volume 9855 final String volumeUuid = getVolumeUuidForPackage(pkg); 9856 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9857 && Objects.equals(replaceVolumeUuid, volumeUuid); 9858 grantPermissionsLPw(pkg, replace, changingPkg); 9859 } 9860 } 9861 } 9862 9863 if (pkgInfo != null) { 9864 // Only replace for packages on requested volume 9865 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9866 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9867 && Objects.equals(replaceVolumeUuid, volumeUuid); 9868 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9869 } 9870 } 9871 9872 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9873 String packageOfInterest) { 9874 // IMPORTANT: There are two types of permissions: install and runtime. 9875 // Install time permissions are granted when the app is installed to 9876 // all device users and users added in the future. Runtime permissions 9877 // are granted at runtime explicitly to specific users. Normal and signature 9878 // protected permissions are install time permissions. Dangerous permissions 9879 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9880 // otherwise they are runtime permissions. This function does not manage 9881 // runtime permissions except for the case an app targeting Lollipop MR1 9882 // being upgraded to target a newer SDK, in which case dangerous permissions 9883 // are transformed from install time to runtime ones. 9884 9885 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9886 if (ps == null) { 9887 return; 9888 } 9889 9890 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9891 9892 PermissionsState permissionsState = ps.getPermissionsState(); 9893 PermissionsState origPermissions = permissionsState; 9894 9895 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9896 9897 boolean runtimePermissionsRevoked = false; 9898 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9899 9900 boolean changedInstallPermission = false; 9901 9902 if (replace) { 9903 ps.installPermissionsFixed = false; 9904 if (!ps.isSharedUser()) { 9905 origPermissions = new PermissionsState(permissionsState); 9906 permissionsState.reset(); 9907 } else { 9908 // We need to know only about runtime permission changes since the 9909 // calling code always writes the install permissions state but 9910 // the runtime ones are written only if changed. The only cases of 9911 // changed runtime permissions here are promotion of an install to 9912 // runtime and revocation of a runtime from a shared user. 9913 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9914 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9915 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9916 runtimePermissionsRevoked = true; 9917 } 9918 } 9919 } 9920 9921 permissionsState.setGlobalGids(mGlobalGids); 9922 9923 final int N = pkg.requestedPermissions.size(); 9924 for (int i=0; i<N; i++) { 9925 final String name = pkg.requestedPermissions.get(i); 9926 final BasePermission bp = mSettings.mPermissions.get(name); 9927 9928 if (DEBUG_INSTALL) { 9929 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9930 } 9931 9932 if (bp == null || bp.packageSetting == null) { 9933 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9934 Slog.w(TAG, "Unknown permission " + name 9935 + " in package " + pkg.packageName); 9936 } 9937 continue; 9938 } 9939 9940 final String perm = bp.name; 9941 boolean allowedSig = false; 9942 int grant = GRANT_DENIED; 9943 9944 // Keep track of app op permissions. 9945 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9946 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9947 if (pkgs == null) { 9948 pkgs = new ArraySet<>(); 9949 mAppOpPermissionPackages.put(bp.name, pkgs); 9950 } 9951 pkgs.add(pkg.packageName); 9952 } 9953 9954 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9955 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9956 >= Build.VERSION_CODES.M; 9957 switch (level) { 9958 case PermissionInfo.PROTECTION_NORMAL: { 9959 // For all apps normal permissions are install time ones. 9960 grant = GRANT_INSTALL; 9961 } break; 9962 9963 case PermissionInfo.PROTECTION_DANGEROUS: { 9964 // If a permission review is required for legacy apps we represent 9965 // their permissions as always granted runtime ones since we need 9966 // to keep the review required permission flag per user while an 9967 // install permission's state is shared across all users. 9968 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9969 // For legacy apps dangerous permissions are install time ones. 9970 grant = GRANT_INSTALL; 9971 } else if (origPermissions.hasInstallPermission(bp.name)) { 9972 // For legacy apps that became modern, install becomes runtime. 9973 grant = GRANT_UPGRADE; 9974 } else if (mPromoteSystemApps 9975 && isSystemApp(ps) 9976 && mExistingSystemPackages.contains(ps.name)) { 9977 // For legacy system apps, install becomes runtime. 9978 // We cannot check hasInstallPermission() for system apps since those 9979 // permissions were granted implicitly and not persisted pre-M. 9980 grant = GRANT_UPGRADE; 9981 } else { 9982 // For modern apps keep runtime permissions unchanged. 9983 grant = GRANT_RUNTIME; 9984 } 9985 } break; 9986 9987 case PermissionInfo.PROTECTION_SIGNATURE: { 9988 // For all apps signature permissions are install time ones. 9989 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9990 if (allowedSig) { 9991 grant = GRANT_INSTALL; 9992 } 9993 } break; 9994 } 9995 9996 if (DEBUG_INSTALL) { 9997 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9998 } 9999 10000 if (grant != GRANT_DENIED) { 10001 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10002 // If this is an existing, non-system package, then 10003 // we can't add any new permissions to it. 10004 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10005 // Except... if this is a permission that was added 10006 // to the platform (note: need to only do this when 10007 // updating the platform). 10008 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10009 grant = GRANT_DENIED; 10010 } 10011 } 10012 } 10013 10014 switch (grant) { 10015 case GRANT_INSTALL: { 10016 // Revoke this as runtime permission to handle the case of 10017 // a runtime permission being downgraded to an install one. 10018 // Also in permission review mode we keep dangerous permissions 10019 // for legacy apps 10020 for (int userId : UserManagerService.getInstance().getUserIds()) { 10021 if (origPermissions.getRuntimePermissionState( 10022 bp.name, userId) != null) { 10023 // Revoke the runtime permission and clear the flags. 10024 origPermissions.revokeRuntimePermission(bp, userId); 10025 origPermissions.updatePermissionFlags(bp, userId, 10026 PackageManager.MASK_PERMISSION_FLAGS, 0); 10027 // If we revoked a permission permission, we have to write. 10028 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10029 changedRuntimePermissionUserIds, userId); 10030 } 10031 } 10032 // Grant an install permission. 10033 if (permissionsState.grantInstallPermission(bp) != 10034 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10035 changedInstallPermission = true; 10036 } 10037 } break; 10038 10039 case GRANT_RUNTIME: { 10040 // Grant previously granted runtime permissions. 10041 for (int userId : UserManagerService.getInstance().getUserIds()) { 10042 PermissionState permissionState = origPermissions 10043 .getRuntimePermissionState(bp.name, userId); 10044 int flags = permissionState != null 10045 ? permissionState.getFlags() : 0; 10046 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10047 if (permissionsState.grantRuntimePermission(bp, userId) == 10048 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10049 // If we cannot put the permission as it was, we have to write. 10050 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10051 changedRuntimePermissionUserIds, userId); 10052 } 10053 // If the app supports runtime permissions no need for a review. 10054 if (Build.PERMISSIONS_REVIEW_REQUIRED 10055 && appSupportsRuntimePermissions 10056 && (flags & PackageManager 10057 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10058 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10059 // Since we changed the flags, we have to write. 10060 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10061 changedRuntimePermissionUserIds, userId); 10062 } 10063 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10064 && !appSupportsRuntimePermissions) { 10065 // For legacy apps that need a permission review, every new 10066 // runtime permission is granted but it is pending a review. 10067 // We also need to review only platform defined runtime 10068 // permissions as these are the only ones the platform knows 10069 // how to disable the API to simulate revocation as legacy 10070 // apps don't expect to run with revoked permissions. 10071 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10072 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10073 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10074 // We changed the flags, hence have to write. 10075 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10076 changedRuntimePermissionUserIds, userId); 10077 } 10078 } 10079 if (permissionsState.grantRuntimePermission(bp, userId) 10080 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10081 // We changed the permission, hence have to write. 10082 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10083 changedRuntimePermissionUserIds, userId); 10084 } 10085 } 10086 // Propagate the permission flags. 10087 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10088 } 10089 } break; 10090 10091 case GRANT_UPGRADE: { 10092 // Grant runtime permissions for a previously held install permission. 10093 PermissionState permissionState = origPermissions 10094 .getInstallPermissionState(bp.name); 10095 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10096 10097 if (origPermissions.revokeInstallPermission(bp) 10098 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10099 // We will be transferring the permission flags, so clear them. 10100 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10101 PackageManager.MASK_PERMISSION_FLAGS, 0); 10102 changedInstallPermission = true; 10103 } 10104 10105 // If the permission is not to be promoted to runtime we ignore it and 10106 // also its other flags as they are not applicable to install permissions. 10107 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10108 for (int userId : currentUserIds) { 10109 if (permissionsState.grantRuntimePermission(bp, userId) != 10110 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10111 // Transfer the permission flags. 10112 permissionsState.updatePermissionFlags(bp, userId, 10113 flags, flags); 10114 // If we granted the permission, we have to write. 10115 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10116 changedRuntimePermissionUserIds, userId); 10117 } 10118 } 10119 } 10120 } break; 10121 10122 default: { 10123 if (packageOfInterest == null 10124 || packageOfInterest.equals(pkg.packageName)) { 10125 Slog.w(TAG, "Not granting permission " + perm 10126 + " to package " + pkg.packageName 10127 + " because it was previously installed without"); 10128 } 10129 } break; 10130 } 10131 } else { 10132 if (permissionsState.revokeInstallPermission(bp) != 10133 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10134 // Also drop the permission flags. 10135 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10136 PackageManager.MASK_PERMISSION_FLAGS, 0); 10137 changedInstallPermission = true; 10138 Slog.i(TAG, "Un-granting permission " + perm 10139 + " from package " + pkg.packageName 10140 + " (protectionLevel=" + bp.protectionLevel 10141 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10142 + ")"); 10143 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10144 // Don't print warning for app op permissions, since it is fine for them 10145 // not to be granted, there is a UI for the user to decide. 10146 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10147 Slog.w(TAG, "Not granting permission " + perm 10148 + " to package " + pkg.packageName 10149 + " (protectionLevel=" + bp.protectionLevel 10150 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10151 + ")"); 10152 } 10153 } 10154 } 10155 } 10156 10157 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10158 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10159 // This is the first that we have heard about this package, so the 10160 // permissions we have now selected are fixed until explicitly 10161 // changed. 10162 ps.installPermissionsFixed = true; 10163 } 10164 10165 // Persist the runtime permissions state for users with changes. If permissions 10166 // were revoked because no app in the shared user declares them we have to 10167 // write synchronously to avoid losing runtime permissions state. 10168 for (int userId : changedRuntimePermissionUserIds) { 10169 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10170 } 10171 10172 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10173 } 10174 10175 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10176 boolean allowed = false; 10177 final int NP = PackageParser.NEW_PERMISSIONS.length; 10178 for (int ip=0; ip<NP; ip++) { 10179 final PackageParser.NewPermissionInfo npi 10180 = PackageParser.NEW_PERMISSIONS[ip]; 10181 if (npi.name.equals(perm) 10182 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10183 allowed = true; 10184 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10185 + pkg.packageName); 10186 break; 10187 } 10188 } 10189 return allowed; 10190 } 10191 10192 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10193 BasePermission bp, PermissionsState origPermissions) { 10194 boolean allowed; 10195 allowed = (compareSignatures( 10196 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10197 == PackageManager.SIGNATURE_MATCH) 10198 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10199 == PackageManager.SIGNATURE_MATCH); 10200 if (!allowed && (bp.protectionLevel 10201 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10202 if (isSystemApp(pkg)) { 10203 // For updated system applications, a system permission 10204 // is granted only if it had been defined by the original application. 10205 if (pkg.isUpdatedSystemApp()) { 10206 final PackageSetting sysPs = mSettings 10207 .getDisabledSystemPkgLPr(pkg.packageName); 10208 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10209 // If the original was granted this permission, we take 10210 // that grant decision as read and propagate it to the 10211 // update. 10212 if (sysPs.isPrivileged()) { 10213 allowed = true; 10214 } 10215 } else { 10216 // The system apk may have been updated with an older 10217 // version of the one on the data partition, but which 10218 // granted a new system permission that it didn't have 10219 // before. In this case we do want to allow the app to 10220 // now get the new permission if the ancestral apk is 10221 // privileged to get it. 10222 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10223 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10224 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10225 allowed = true; 10226 break; 10227 } 10228 } 10229 } 10230 // Also if a privileged parent package on the system image or any of 10231 // its children requested a privileged permission, the updated child 10232 // packages can also get the permission. 10233 if (pkg.parentPackage != null) { 10234 final PackageSetting disabledSysParentPs = mSettings 10235 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10236 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10237 && disabledSysParentPs.isPrivileged()) { 10238 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10239 allowed = true; 10240 } else if (disabledSysParentPs.pkg.childPackages != null) { 10241 final int count = disabledSysParentPs.pkg.childPackages.size(); 10242 for (int i = 0; i < count; i++) { 10243 PackageParser.Package disabledSysChildPkg = 10244 disabledSysParentPs.pkg.childPackages.get(i); 10245 if (isPackageRequestingPermission(disabledSysChildPkg, 10246 perm)) { 10247 allowed = true; 10248 break; 10249 } 10250 } 10251 } 10252 } 10253 } 10254 } 10255 } else { 10256 allowed = isPrivilegedApp(pkg); 10257 } 10258 } 10259 } 10260 if (!allowed) { 10261 if (!allowed && (bp.protectionLevel 10262 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10263 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10264 // If this was a previously normal/dangerous permission that got moved 10265 // to a system permission as part of the runtime permission redesign, then 10266 // we still want to blindly grant it to old apps. 10267 allowed = true; 10268 } 10269 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10270 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10271 // If this permission is to be granted to the system installer and 10272 // this app is an installer, then it gets the permission. 10273 allowed = true; 10274 } 10275 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10276 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10277 // If this permission is to be granted to the system verifier and 10278 // this app is a verifier, then it gets the permission. 10279 allowed = true; 10280 } 10281 if (!allowed && (bp.protectionLevel 10282 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10283 && isSystemApp(pkg)) { 10284 // Any pre-installed system app is allowed to get this permission. 10285 allowed = true; 10286 } 10287 if (!allowed && (bp.protectionLevel 10288 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10289 // For development permissions, a development permission 10290 // is granted only if it was already granted. 10291 allowed = origPermissions.hasInstallPermission(perm); 10292 } 10293 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10294 && pkg.packageName.equals(mSetupWizardPackage)) { 10295 // If this permission is to be granted to the system setup wizard and 10296 // this app is a setup wizard, then it gets the permission. 10297 allowed = true; 10298 } 10299 } 10300 return allowed; 10301 } 10302 10303 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10304 final int permCount = pkg.requestedPermissions.size(); 10305 for (int j = 0; j < permCount; j++) { 10306 String requestedPermission = pkg.requestedPermissions.get(j); 10307 if (permission.equals(requestedPermission)) { 10308 return true; 10309 } 10310 } 10311 return false; 10312 } 10313 10314 final class ActivityIntentResolver 10315 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10316 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10317 boolean defaultOnly, int userId) { 10318 if (!sUserManager.exists(userId)) return null; 10319 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10320 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10321 } 10322 10323 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10324 int userId) { 10325 if (!sUserManager.exists(userId)) return null; 10326 mFlags = flags; 10327 return super.queryIntent(intent, resolvedType, 10328 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10329 } 10330 10331 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10332 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10333 if (!sUserManager.exists(userId)) return null; 10334 if (packageActivities == null) { 10335 return null; 10336 } 10337 mFlags = flags; 10338 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10339 final int N = packageActivities.size(); 10340 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10341 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10342 10343 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10344 for (int i = 0; i < N; ++i) { 10345 intentFilters = packageActivities.get(i).intents; 10346 if (intentFilters != null && intentFilters.size() > 0) { 10347 PackageParser.ActivityIntentInfo[] array = 10348 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10349 intentFilters.toArray(array); 10350 listCut.add(array); 10351 } 10352 } 10353 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10354 } 10355 10356 /** 10357 * Finds a privileged activity that matches the specified activity names. 10358 */ 10359 private PackageParser.Activity findMatchingActivity( 10360 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10361 for (PackageParser.Activity sysActivity : activityList) { 10362 if (sysActivity.info.name.equals(activityInfo.name)) { 10363 return sysActivity; 10364 } 10365 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10366 return sysActivity; 10367 } 10368 if (sysActivity.info.targetActivity != null) { 10369 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10370 return sysActivity; 10371 } 10372 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10373 return sysActivity; 10374 } 10375 } 10376 } 10377 return null; 10378 } 10379 10380 public class IterGenerator<E> { 10381 public Iterator<E> generate(ActivityIntentInfo info) { 10382 return null; 10383 } 10384 } 10385 10386 public class ActionIterGenerator extends IterGenerator<String> { 10387 @Override 10388 public Iterator<String> generate(ActivityIntentInfo info) { 10389 return info.actionsIterator(); 10390 } 10391 } 10392 10393 public class CategoriesIterGenerator extends IterGenerator<String> { 10394 @Override 10395 public Iterator<String> generate(ActivityIntentInfo info) { 10396 return info.categoriesIterator(); 10397 } 10398 } 10399 10400 public class SchemesIterGenerator extends IterGenerator<String> { 10401 @Override 10402 public Iterator<String> generate(ActivityIntentInfo info) { 10403 return info.schemesIterator(); 10404 } 10405 } 10406 10407 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10408 @Override 10409 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10410 return info.authoritiesIterator(); 10411 } 10412 } 10413 10414 /** 10415 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10416 * MODIFIED. Do not pass in a list that should not be changed. 10417 */ 10418 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10419 IterGenerator<T> generator, Iterator<T> searchIterator) { 10420 // loop through the set of actions; every one must be found in the intent filter 10421 while (searchIterator.hasNext()) { 10422 // we must have at least one filter in the list to consider a match 10423 if (intentList.size() == 0) { 10424 break; 10425 } 10426 10427 final T searchAction = searchIterator.next(); 10428 10429 // loop through the set of intent filters 10430 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10431 while (intentIter.hasNext()) { 10432 final ActivityIntentInfo intentInfo = intentIter.next(); 10433 boolean selectionFound = false; 10434 10435 // loop through the intent filter's selection criteria; at least one 10436 // of them must match the searched criteria 10437 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10438 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10439 final T intentSelection = intentSelectionIter.next(); 10440 if (intentSelection != null && intentSelection.equals(searchAction)) { 10441 selectionFound = true; 10442 break; 10443 } 10444 } 10445 10446 // the selection criteria wasn't found in this filter's set; this filter 10447 // is not a potential match 10448 if (!selectionFound) { 10449 intentIter.remove(); 10450 } 10451 } 10452 } 10453 } 10454 10455 private boolean isProtectedAction(ActivityIntentInfo filter) { 10456 final Iterator<String> actionsIter = filter.actionsIterator(); 10457 while (actionsIter != null && actionsIter.hasNext()) { 10458 final String filterAction = actionsIter.next(); 10459 if (PROTECTED_ACTIONS.contains(filterAction)) { 10460 return true; 10461 } 10462 } 10463 return false; 10464 } 10465 10466 /** 10467 * Adjusts the priority of the given intent filter according to policy. 10468 * <p> 10469 * <ul> 10470 * <li>The priority for non privileged applications is capped to '0'</li> 10471 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10472 * <li>The priority for unbundled updates to privileged applications is capped to the 10473 * priority defined on the system partition</li> 10474 * </ul> 10475 * <p> 10476 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10477 * allowed to obtain any priority on any action. 10478 */ 10479 private void adjustPriority( 10480 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10481 // nothing to do; priority is fine as-is 10482 if (intent.getPriority() <= 0) { 10483 return; 10484 } 10485 10486 final ActivityInfo activityInfo = intent.activity.info; 10487 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10488 10489 final boolean privilegedApp = 10490 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10491 if (!privilegedApp) { 10492 // non-privileged applications can never define a priority >0 10493 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10494 + " package: " + applicationInfo.packageName 10495 + " activity: " + intent.activity.className 10496 + " origPrio: " + intent.getPriority()); 10497 intent.setPriority(0); 10498 return; 10499 } 10500 10501 if (systemActivities == null) { 10502 // the system package is not disabled; we're parsing the system partition 10503 if (isProtectedAction(intent)) { 10504 if (mDeferProtectedFilters) { 10505 // We can't deal with these just yet. No component should ever obtain a 10506 // >0 priority for a protected actions, with ONE exception -- the setup 10507 // wizard. The setup wizard, however, cannot be known until we're able to 10508 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10509 // until all intent filters have been processed. Chicken, meet egg. 10510 // Let the filter temporarily have a high priority and rectify the 10511 // priorities after all system packages have been scanned. 10512 mProtectedFilters.add(intent); 10513 if (DEBUG_FILTERS) { 10514 Slog.i(TAG, "Protected action; save for later;" 10515 + " package: " + applicationInfo.packageName 10516 + " activity: " + intent.activity.className 10517 + " origPrio: " + intent.getPriority()); 10518 } 10519 return; 10520 } else { 10521 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10522 Slog.i(TAG, "No setup wizard;" 10523 + " All protected intents capped to priority 0"); 10524 } 10525 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10526 if (DEBUG_FILTERS) { 10527 Slog.i(TAG, "Found setup wizard;" 10528 + " allow priority " + intent.getPriority() + ";" 10529 + " package: " + intent.activity.info.packageName 10530 + " activity: " + intent.activity.className 10531 + " priority: " + intent.getPriority()); 10532 } 10533 // setup wizard gets whatever it wants 10534 return; 10535 } 10536 Slog.w(TAG, "Protected action; cap priority to 0;" 10537 + " package: " + intent.activity.info.packageName 10538 + " activity: " + intent.activity.className 10539 + " origPrio: " + intent.getPriority()); 10540 intent.setPriority(0); 10541 return; 10542 } 10543 } 10544 // privileged apps on the system image get whatever priority they request 10545 return; 10546 } 10547 10548 // privileged app unbundled update ... try to find the same activity 10549 final PackageParser.Activity foundActivity = 10550 findMatchingActivity(systemActivities, activityInfo); 10551 if (foundActivity == null) { 10552 // this is a new activity; it cannot obtain >0 priority 10553 if (DEBUG_FILTERS) { 10554 Slog.i(TAG, "New activity; cap priority to 0;" 10555 + " package: " + applicationInfo.packageName 10556 + " activity: " + intent.activity.className 10557 + " origPrio: " + intent.getPriority()); 10558 } 10559 intent.setPriority(0); 10560 return; 10561 } 10562 10563 // found activity, now check for filter equivalence 10564 10565 // a shallow copy is enough; we modify the list, not its contents 10566 final List<ActivityIntentInfo> intentListCopy = 10567 new ArrayList<>(foundActivity.intents); 10568 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10569 10570 // find matching action subsets 10571 final Iterator<String> actionsIterator = intent.actionsIterator(); 10572 if (actionsIterator != null) { 10573 getIntentListSubset( 10574 intentListCopy, new ActionIterGenerator(), actionsIterator); 10575 if (intentListCopy.size() == 0) { 10576 // no more intents to match; we're not equivalent 10577 if (DEBUG_FILTERS) { 10578 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10579 + " package: " + applicationInfo.packageName 10580 + " activity: " + intent.activity.className 10581 + " origPrio: " + intent.getPriority()); 10582 } 10583 intent.setPriority(0); 10584 return; 10585 } 10586 } 10587 10588 // find matching category subsets 10589 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10590 if (categoriesIterator != null) { 10591 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10592 categoriesIterator); 10593 if (intentListCopy.size() == 0) { 10594 // no more intents to match; we're not equivalent 10595 if (DEBUG_FILTERS) { 10596 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10597 + " package: " + applicationInfo.packageName 10598 + " activity: " + intent.activity.className 10599 + " origPrio: " + intent.getPriority()); 10600 } 10601 intent.setPriority(0); 10602 return; 10603 } 10604 } 10605 10606 // find matching schemes subsets 10607 final Iterator<String> schemesIterator = intent.schemesIterator(); 10608 if (schemesIterator != null) { 10609 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10610 schemesIterator); 10611 if (intentListCopy.size() == 0) { 10612 // no more intents to match; we're not equivalent 10613 if (DEBUG_FILTERS) { 10614 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10615 + " package: " + applicationInfo.packageName 10616 + " activity: " + intent.activity.className 10617 + " origPrio: " + intent.getPriority()); 10618 } 10619 intent.setPriority(0); 10620 return; 10621 } 10622 } 10623 10624 // find matching authorities subsets 10625 final Iterator<IntentFilter.AuthorityEntry> 10626 authoritiesIterator = intent.authoritiesIterator(); 10627 if (authoritiesIterator != null) { 10628 getIntentListSubset(intentListCopy, 10629 new AuthoritiesIterGenerator(), 10630 authoritiesIterator); 10631 if (intentListCopy.size() == 0) { 10632 // no more intents to match; we're not equivalent 10633 if (DEBUG_FILTERS) { 10634 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10635 + " package: " + applicationInfo.packageName 10636 + " activity: " + intent.activity.className 10637 + " origPrio: " + intent.getPriority()); 10638 } 10639 intent.setPriority(0); 10640 return; 10641 } 10642 } 10643 10644 // we found matching filter(s); app gets the max priority of all intents 10645 int cappedPriority = 0; 10646 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10647 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10648 } 10649 if (intent.getPriority() > cappedPriority) { 10650 if (DEBUG_FILTERS) { 10651 Slog.i(TAG, "Found matching filter(s);" 10652 + " cap priority to " + cappedPriority + ";" 10653 + " package: " + applicationInfo.packageName 10654 + " activity: " + intent.activity.className 10655 + " origPrio: " + intent.getPriority()); 10656 } 10657 intent.setPriority(cappedPriority); 10658 return; 10659 } 10660 // all this for nothing; the requested priority was <= what was on the system 10661 } 10662 10663 public final void addActivity(PackageParser.Activity a, String type) { 10664 mActivities.put(a.getComponentName(), a); 10665 if (DEBUG_SHOW_INFO) 10666 Log.v( 10667 TAG, " " + type + " " + 10668 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10669 if (DEBUG_SHOW_INFO) 10670 Log.v(TAG, " Class=" + a.info.name); 10671 final int NI = a.intents.size(); 10672 for (int j=0; j<NI; j++) { 10673 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10674 if ("activity".equals(type)) { 10675 final PackageSetting ps = 10676 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10677 final List<PackageParser.Activity> systemActivities = 10678 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10679 adjustPriority(systemActivities, intent); 10680 } 10681 if (DEBUG_SHOW_INFO) { 10682 Log.v(TAG, " IntentFilter:"); 10683 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10684 } 10685 if (!intent.debugCheck()) { 10686 Log.w(TAG, "==> For Activity " + a.info.name); 10687 } 10688 addFilter(intent); 10689 } 10690 } 10691 10692 public final void removeActivity(PackageParser.Activity a, String type) { 10693 mActivities.remove(a.getComponentName()); 10694 if (DEBUG_SHOW_INFO) { 10695 Log.v(TAG, " " + type + " " 10696 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10697 : a.info.name) + ":"); 10698 Log.v(TAG, " Class=" + a.info.name); 10699 } 10700 final int NI = a.intents.size(); 10701 for (int j=0; j<NI; j++) { 10702 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10703 if (DEBUG_SHOW_INFO) { 10704 Log.v(TAG, " IntentFilter:"); 10705 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10706 } 10707 removeFilter(intent); 10708 } 10709 } 10710 10711 @Override 10712 protected boolean allowFilterResult( 10713 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10714 ActivityInfo filterAi = filter.activity.info; 10715 for (int i=dest.size()-1; i>=0; i--) { 10716 ActivityInfo destAi = dest.get(i).activityInfo; 10717 if (destAi.name == filterAi.name 10718 && destAi.packageName == filterAi.packageName) { 10719 return false; 10720 } 10721 } 10722 return true; 10723 } 10724 10725 @Override 10726 protected ActivityIntentInfo[] newArray(int size) { 10727 return new ActivityIntentInfo[size]; 10728 } 10729 10730 @Override 10731 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10732 if (!sUserManager.exists(userId)) return true; 10733 PackageParser.Package p = filter.activity.owner; 10734 if (p != null) { 10735 PackageSetting ps = (PackageSetting)p.mExtras; 10736 if (ps != null) { 10737 // System apps are never considered stopped for purposes of 10738 // filtering, because there may be no way for the user to 10739 // actually re-launch them. 10740 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10741 && ps.getStopped(userId); 10742 } 10743 } 10744 return false; 10745 } 10746 10747 @Override 10748 protected boolean isPackageForFilter(String packageName, 10749 PackageParser.ActivityIntentInfo info) { 10750 return packageName.equals(info.activity.owner.packageName); 10751 } 10752 10753 @Override 10754 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10755 int match, int userId) { 10756 if (!sUserManager.exists(userId)) return null; 10757 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10758 return null; 10759 } 10760 final PackageParser.Activity activity = info.activity; 10761 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10762 if (ps == null) { 10763 return null; 10764 } 10765 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10766 ps.readUserState(userId), userId); 10767 if (ai == null) { 10768 return null; 10769 } 10770 final ResolveInfo res = new ResolveInfo(); 10771 res.activityInfo = ai; 10772 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10773 res.filter = info; 10774 } 10775 if (info != null) { 10776 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10777 } 10778 res.priority = info.getPriority(); 10779 res.preferredOrder = activity.owner.mPreferredOrder; 10780 //System.out.println("Result: " + res.activityInfo.className + 10781 // " = " + res.priority); 10782 res.match = match; 10783 res.isDefault = info.hasDefault; 10784 res.labelRes = info.labelRes; 10785 res.nonLocalizedLabel = info.nonLocalizedLabel; 10786 if (userNeedsBadging(userId)) { 10787 res.noResourceId = true; 10788 } else { 10789 res.icon = info.icon; 10790 } 10791 res.iconResourceId = info.icon; 10792 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10793 return res; 10794 } 10795 10796 @Override 10797 protected void sortResults(List<ResolveInfo> results) { 10798 Collections.sort(results, mResolvePrioritySorter); 10799 } 10800 10801 @Override 10802 protected void dumpFilter(PrintWriter out, String prefix, 10803 PackageParser.ActivityIntentInfo filter) { 10804 out.print(prefix); out.print( 10805 Integer.toHexString(System.identityHashCode(filter.activity))); 10806 out.print(' '); 10807 filter.activity.printComponentShortName(out); 10808 out.print(" filter "); 10809 out.println(Integer.toHexString(System.identityHashCode(filter))); 10810 } 10811 10812 @Override 10813 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10814 return filter.activity; 10815 } 10816 10817 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10818 PackageParser.Activity activity = (PackageParser.Activity)label; 10819 out.print(prefix); out.print( 10820 Integer.toHexString(System.identityHashCode(activity))); 10821 out.print(' '); 10822 activity.printComponentShortName(out); 10823 if (count > 1) { 10824 out.print(" ("); out.print(count); out.print(" filters)"); 10825 } 10826 out.println(); 10827 } 10828 10829 // Keys are String (activity class name), values are Activity. 10830 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10831 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10832 private int mFlags; 10833 } 10834 10835 private final class ServiceIntentResolver 10836 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10837 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10838 boolean defaultOnly, int userId) { 10839 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10840 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10841 } 10842 10843 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10844 int userId) { 10845 if (!sUserManager.exists(userId)) return null; 10846 mFlags = flags; 10847 return super.queryIntent(intent, resolvedType, 10848 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10849 } 10850 10851 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10852 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10853 if (!sUserManager.exists(userId)) return null; 10854 if (packageServices == null) { 10855 return null; 10856 } 10857 mFlags = flags; 10858 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10859 final int N = packageServices.size(); 10860 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10861 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10862 10863 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10864 for (int i = 0; i < N; ++i) { 10865 intentFilters = packageServices.get(i).intents; 10866 if (intentFilters != null && intentFilters.size() > 0) { 10867 PackageParser.ServiceIntentInfo[] array = 10868 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10869 intentFilters.toArray(array); 10870 listCut.add(array); 10871 } 10872 } 10873 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10874 } 10875 10876 public final void addService(PackageParser.Service s) { 10877 mServices.put(s.getComponentName(), s); 10878 if (DEBUG_SHOW_INFO) { 10879 Log.v(TAG, " " 10880 + (s.info.nonLocalizedLabel != null 10881 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10882 Log.v(TAG, " Class=" + s.info.name); 10883 } 10884 final int NI = s.intents.size(); 10885 int j; 10886 for (j=0; j<NI; j++) { 10887 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10888 if (DEBUG_SHOW_INFO) { 10889 Log.v(TAG, " IntentFilter:"); 10890 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10891 } 10892 if (!intent.debugCheck()) { 10893 Log.w(TAG, "==> For Service " + s.info.name); 10894 } 10895 addFilter(intent); 10896 } 10897 } 10898 10899 public final void removeService(PackageParser.Service s) { 10900 mServices.remove(s.getComponentName()); 10901 if (DEBUG_SHOW_INFO) { 10902 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10903 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10904 Log.v(TAG, " Class=" + s.info.name); 10905 } 10906 final int NI = s.intents.size(); 10907 int j; 10908 for (j=0; j<NI; j++) { 10909 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10910 if (DEBUG_SHOW_INFO) { 10911 Log.v(TAG, " IntentFilter:"); 10912 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10913 } 10914 removeFilter(intent); 10915 } 10916 } 10917 10918 @Override 10919 protected boolean allowFilterResult( 10920 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10921 ServiceInfo filterSi = filter.service.info; 10922 for (int i=dest.size()-1; i>=0; i--) { 10923 ServiceInfo destAi = dest.get(i).serviceInfo; 10924 if (destAi.name == filterSi.name 10925 && destAi.packageName == filterSi.packageName) { 10926 return false; 10927 } 10928 } 10929 return true; 10930 } 10931 10932 @Override 10933 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10934 return new PackageParser.ServiceIntentInfo[size]; 10935 } 10936 10937 @Override 10938 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10939 if (!sUserManager.exists(userId)) return true; 10940 PackageParser.Package p = filter.service.owner; 10941 if (p != null) { 10942 PackageSetting ps = (PackageSetting)p.mExtras; 10943 if (ps != null) { 10944 // System apps are never considered stopped for purposes of 10945 // filtering, because there may be no way for the user to 10946 // actually re-launch them. 10947 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10948 && ps.getStopped(userId); 10949 } 10950 } 10951 return false; 10952 } 10953 10954 @Override 10955 protected boolean isPackageForFilter(String packageName, 10956 PackageParser.ServiceIntentInfo info) { 10957 return packageName.equals(info.service.owner.packageName); 10958 } 10959 10960 @Override 10961 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10962 int match, int userId) { 10963 if (!sUserManager.exists(userId)) return null; 10964 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10965 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10966 return null; 10967 } 10968 final PackageParser.Service service = info.service; 10969 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10970 if (ps == null) { 10971 return null; 10972 } 10973 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10974 ps.readUserState(userId), userId); 10975 if (si == null) { 10976 return null; 10977 } 10978 final ResolveInfo res = new ResolveInfo(); 10979 res.serviceInfo = si; 10980 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10981 res.filter = filter; 10982 } 10983 res.priority = info.getPriority(); 10984 res.preferredOrder = service.owner.mPreferredOrder; 10985 res.match = match; 10986 res.isDefault = info.hasDefault; 10987 res.labelRes = info.labelRes; 10988 res.nonLocalizedLabel = info.nonLocalizedLabel; 10989 res.icon = info.icon; 10990 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10991 return res; 10992 } 10993 10994 @Override 10995 protected void sortResults(List<ResolveInfo> results) { 10996 Collections.sort(results, mResolvePrioritySorter); 10997 } 10998 10999 @Override 11000 protected void dumpFilter(PrintWriter out, String prefix, 11001 PackageParser.ServiceIntentInfo filter) { 11002 out.print(prefix); out.print( 11003 Integer.toHexString(System.identityHashCode(filter.service))); 11004 out.print(' '); 11005 filter.service.printComponentShortName(out); 11006 out.print(" filter "); 11007 out.println(Integer.toHexString(System.identityHashCode(filter))); 11008 } 11009 11010 @Override 11011 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11012 return filter.service; 11013 } 11014 11015 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11016 PackageParser.Service service = (PackageParser.Service)label; 11017 out.print(prefix); out.print( 11018 Integer.toHexString(System.identityHashCode(service))); 11019 out.print(' '); 11020 service.printComponentShortName(out); 11021 if (count > 1) { 11022 out.print(" ("); out.print(count); out.print(" filters)"); 11023 } 11024 out.println(); 11025 } 11026 11027// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11028// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11029// final List<ResolveInfo> retList = Lists.newArrayList(); 11030// while (i.hasNext()) { 11031// final ResolveInfo resolveInfo = (ResolveInfo) i; 11032// if (isEnabledLP(resolveInfo.serviceInfo)) { 11033// retList.add(resolveInfo); 11034// } 11035// } 11036// return retList; 11037// } 11038 11039 // Keys are String (activity class name), values are Activity. 11040 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11041 = new ArrayMap<ComponentName, PackageParser.Service>(); 11042 private int mFlags; 11043 }; 11044 11045 private final class ProviderIntentResolver 11046 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11047 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11048 boolean defaultOnly, int userId) { 11049 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11050 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11051 } 11052 11053 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11054 int userId) { 11055 if (!sUserManager.exists(userId)) 11056 return null; 11057 mFlags = flags; 11058 return super.queryIntent(intent, resolvedType, 11059 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11060 } 11061 11062 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11063 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11064 if (!sUserManager.exists(userId)) 11065 return null; 11066 if (packageProviders == null) { 11067 return null; 11068 } 11069 mFlags = flags; 11070 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11071 final int N = packageProviders.size(); 11072 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11073 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11074 11075 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11076 for (int i = 0; i < N; ++i) { 11077 intentFilters = packageProviders.get(i).intents; 11078 if (intentFilters != null && intentFilters.size() > 0) { 11079 PackageParser.ProviderIntentInfo[] array = 11080 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11081 intentFilters.toArray(array); 11082 listCut.add(array); 11083 } 11084 } 11085 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11086 } 11087 11088 public final void addProvider(PackageParser.Provider p) { 11089 if (mProviders.containsKey(p.getComponentName())) { 11090 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11091 return; 11092 } 11093 11094 mProviders.put(p.getComponentName(), p); 11095 if (DEBUG_SHOW_INFO) { 11096 Log.v(TAG, " " 11097 + (p.info.nonLocalizedLabel != null 11098 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11099 Log.v(TAG, " Class=" + p.info.name); 11100 } 11101 final int NI = p.intents.size(); 11102 int j; 11103 for (j = 0; j < NI; j++) { 11104 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11105 if (DEBUG_SHOW_INFO) { 11106 Log.v(TAG, " IntentFilter:"); 11107 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11108 } 11109 if (!intent.debugCheck()) { 11110 Log.w(TAG, "==> For Provider " + p.info.name); 11111 } 11112 addFilter(intent); 11113 } 11114 } 11115 11116 public final void removeProvider(PackageParser.Provider p) { 11117 mProviders.remove(p.getComponentName()); 11118 if (DEBUG_SHOW_INFO) { 11119 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11120 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11121 Log.v(TAG, " Class=" + p.info.name); 11122 } 11123 final int NI = p.intents.size(); 11124 int j; 11125 for (j = 0; j < NI; j++) { 11126 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11127 if (DEBUG_SHOW_INFO) { 11128 Log.v(TAG, " IntentFilter:"); 11129 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11130 } 11131 removeFilter(intent); 11132 } 11133 } 11134 11135 @Override 11136 protected boolean allowFilterResult( 11137 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11138 ProviderInfo filterPi = filter.provider.info; 11139 for (int i = dest.size() - 1; i >= 0; i--) { 11140 ProviderInfo destPi = dest.get(i).providerInfo; 11141 if (destPi.name == filterPi.name 11142 && destPi.packageName == filterPi.packageName) { 11143 return false; 11144 } 11145 } 11146 return true; 11147 } 11148 11149 @Override 11150 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11151 return new PackageParser.ProviderIntentInfo[size]; 11152 } 11153 11154 @Override 11155 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11156 if (!sUserManager.exists(userId)) 11157 return true; 11158 PackageParser.Package p = filter.provider.owner; 11159 if (p != null) { 11160 PackageSetting ps = (PackageSetting) p.mExtras; 11161 if (ps != null) { 11162 // System apps are never considered stopped for purposes of 11163 // filtering, because there may be no way for the user to 11164 // actually re-launch them. 11165 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11166 && ps.getStopped(userId); 11167 } 11168 } 11169 return false; 11170 } 11171 11172 @Override 11173 protected boolean isPackageForFilter(String packageName, 11174 PackageParser.ProviderIntentInfo info) { 11175 return packageName.equals(info.provider.owner.packageName); 11176 } 11177 11178 @Override 11179 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11180 int match, int userId) { 11181 if (!sUserManager.exists(userId)) 11182 return null; 11183 final PackageParser.ProviderIntentInfo info = filter; 11184 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11185 return null; 11186 } 11187 final PackageParser.Provider provider = info.provider; 11188 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11189 if (ps == null) { 11190 return null; 11191 } 11192 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11193 ps.readUserState(userId), userId); 11194 if (pi == null) { 11195 return null; 11196 } 11197 final ResolveInfo res = new ResolveInfo(); 11198 res.providerInfo = pi; 11199 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11200 res.filter = filter; 11201 } 11202 res.priority = info.getPriority(); 11203 res.preferredOrder = provider.owner.mPreferredOrder; 11204 res.match = match; 11205 res.isDefault = info.hasDefault; 11206 res.labelRes = info.labelRes; 11207 res.nonLocalizedLabel = info.nonLocalizedLabel; 11208 res.icon = info.icon; 11209 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11210 return res; 11211 } 11212 11213 @Override 11214 protected void sortResults(List<ResolveInfo> results) { 11215 Collections.sort(results, mResolvePrioritySorter); 11216 } 11217 11218 @Override 11219 protected void dumpFilter(PrintWriter out, String prefix, 11220 PackageParser.ProviderIntentInfo filter) { 11221 out.print(prefix); 11222 out.print( 11223 Integer.toHexString(System.identityHashCode(filter.provider))); 11224 out.print(' '); 11225 filter.provider.printComponentShortName(out); 11226 out.print(" filter "); 11227 out.println(Integer.toHexString(System.identityHashCode(filter))); 11228 } 11229 11230 @Override 11231 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11232 return filter.provider; 11233 } 11234 11235 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11236 PackageParser.Provider provider = (PackageParser.Provider)label; 11237 out.print(prefix); out.print( 11238 Integer.toHexString(System.identityHashCode(provider))); 11239 out.print(' '); 11240 provider.printComponentShortName(out); 11241 if (count > 1) { 11242 out.print(" ("); out.print(count); out.print(" filters)"); 11243 } 11244 out.println(); 11245 } 11246 11247 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11248 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11249 private int mFlags; 11250 } 11251 11252 private static final class EphemeralIntentResolver 11253 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11254 @Override 11255 protected EphemeralResolveIntentInfo[] newArray(int size) { 11256 return new EphemeralResolveIntentInfo[size]; 11257 } 11258 11259 @Override 11260 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11261 return true; 11262 } 11263 11264 @Override 11265 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11266 int userId) { 11267 if (!sUserManager.exists(userId)) { 11268 return null; 11269 } 11270 return info.getEphemeralResolveInfo(); 11271 } 11272 } 11273 11274 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11275 new Comparator<ResolveInfo>() { 11276 public int compare(ResolveInfo r1, ResolveInfo r2) { 11277 int v1 = r1.priority; 11278 int v2 = r2.priority; 11279 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11280 if (v1 != v2) { 11281 return (v1 > v2) ? -1 : 1; 11282 } 11283 v1 = r1.preferredOrder; 11284 v2 = r2.preferredOrder; 11285 if (v1 != v2) { 11286 return (v1 > v2) ? -1 : 1; 11287 } 11288 if (r1.isDefault != r2.isDefault) { 11289 return r1.isDefault ? -1 : 1; 11290 } 11291 v1 = r1.match; 11292 v2 = r2.match; 11293 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11294 if (v1 != v2) { 11295 return (v1 > v2) ? -1 : 1; 11296 } 11297 if (r1.system != r2.system) { 11298 return r1.system ? -1 : 1; 11299 } 11300 if (r1.activityInfo != null) { 11301 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11302 } 11303 if (r1.serviceInfo != null) { 11304 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11305 } 11306 if (r1.providerInfo != null) { 11307 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11308 } 11309 return 0; 11310 } 11311 }; 11312 11313 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11314 new Comparator<ProviderInfo>() { 11315 public int compare(ProviderInfo p1, ProviderInfo p2) { 11316 final int v1 = p1.initOrder; 11317 final int v2 = p2.initOrder; 11318 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11319 } 11320 }; 11321 11322 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11323 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11324 final int[] userIds) { 11325 mHandler.post(new Runnable() { 11326 @Override 11327 public void run() { 11328 try { 11329 final IActivityManager am = ActivityManagerNative.getDefault(); 11330 if (am == null) return; 11331 final int[] resolvedUserIds; 11332 if (userIds == null) { 11333 resolvedUserIds = am.getRunningUserIds(); 11334 } else { 11335 resolvedUserIds = userIds; 11336 } 11337 for (int id : resolvedUserIds) { 11338 final Intent intent = new Intent(action, 11339 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11340 if (extras != null) { 11341 intent.putExtras(extras); 11342 } 11343 if (targetPkg != null) { 11344 intent.setPackage(targetPkg); 11345 } 11346 // Modify the UID when posting to other users 11347 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11348 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11349 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11350 intent.putExtra(Intent.EXTRA_UID, uid); 11351 } 11352 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11353 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11354 if (DEBUG_BROADCASTS) { 11355 RuntimeException here = new RuntimeException("here"); 11356 here.fillInStackTrace(); 11357 Slog.d(TAG, "Sending to user " + id + ": " 11358 + intent.toShortString(false, true, false, false) 11359 + " " + intent.getExtras(), here); 11360 } 11361 am.broadcastIntent(null, intent, null, finishedReceiver, 11362 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11363 null, finishedReceiver != null, false, id); 11364 } 11365 } catch (RemoteException ex) { 11366 } 11367 } 11368 }); 11369 } 11370 11371 /** 11372 * Check if the external storage media is available. This is true if there 11373 * is a mounted external storage medium or if the external storage is 11374 * emulated. 11375 */ 11376 private boolean isExternalMediaAvailable() { 11377 return mMediaMounted || Environment.isExternalStorageEmulated(); 11378 } 11379 11380 @Override 11381 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11382 // writer 11383 synchronized (mPackages) { 11384 if (!isExternalMediaAvailable()) { 11385 // If the external storage is no longer mounted at this point, 11386 // the caller may not have been able to delete all of this 11387 // packages files and can not delete any more. Bail. 11388 return null; 11389 } 11390 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11391 if (lastPackage != null) { 11392 pkgs.remove(lastPackage); 11393 } 11394 if (pkgs.size() > 0) { 11395 return pkgs.get(0); 11396 } 11397 } 11398 return null; 11399 } 11400 11401 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11402 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11403 userId, andCode ? 1 : 0, packageName); 11404 if (mSystemReady) { 11405 msg.sendToTarget(); 11406 } else { 11407 if (mPostSystemReadyMessages == null) { 11408 mPostSystemReadyMessages = new ArrayList<>(); 11409 } 11410 mPostSystemReadyMessages.add(msg); 11411 } 11412 } 11413 11414 void startCleaningPackages() { 11415 // reader 11416 if (!isExternalMediaAvailable()) { 11417 return; 11418 } 11419 synchronized (mPackages) { 11420 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11421 return; 11422 } 11423 } 11424 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11425 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11426 IActivityManager am = ActivityManagerNative.getDefault(); 11427 if (am != null) { 11428 try { 11429 am.startService(null, intent, null, mContext.getOpPackageName(), 11430 UserHandle.USER_SYSTEM); 11431 } catch (RemoteException e) { 11432 } 11433 } 11434 } 11435 11436 @Override 11437 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11438 int installFlags, String installerPackageName, int userId) { 11439 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11440 11441 final int callingUid = Binder.getCallingUid(); 11442 enforceCrossUserPermission(callingUid, userId, 11443 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11444 11445 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11446 try { 11447 if (observer != null) { 11448 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11449 } 11450 } catch (RemoteException re) { 11451 } 11452 return; 11453 } 11454 11455 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11456 installFlags |= PackageManager.INSTALL_FROM_ADB; 11457 11458 } else { 11459 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11460 // about installerPackageName. 11461 11462 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11463 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11464 } 11465 11466 UserHandle user; 11467 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11468 user = UserHandle.ALL; 11469 } else { 11470 user = new UserHandle(userId); 11471 } 11472 11473 // Only system components can circumvent runtime permissions when installing. 11474 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11475 && mContext.checkCallingOrSelfPermission(Manifest.permission 11476 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11477 throw new SecurityException("You need the " 11478 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11479 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11480 } 11481 11482 final File originFile = new File(originPath); 11483 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11484 11485 final Message msg = mHandler.obtainMessage(INIT_COPY); 11486 final VerificationInfo verificationInfo = new VerificationInfo( 11487 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11488 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11489 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11490 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11491 null /*certificates*/); 11492 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11493 msg.obj = params; 11494 11495 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11496 System.identityHashCode(msg.obj)); 11497 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11498 System.identityHashCode(msg.obj)); 11499 11500 mHandler.sendMessage(msg); 11501 } 11502 11503 void installStage(String packageName, File stagedDir, String stagedCid, 11504 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11505 String installerPackageName, int installerUid, UserHandle user, 11506 Certificate[][] certificates) { 11507 if (DEBUG_EPHEMERAL) { 11508 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11509 Slog.d(TAG, "Ephemeral install of " + packageName); 11510 } 11511 } 11512 final VerificationInfo verificationInfo = new VerificationInfo( 11513 sessionParams.originatingUri, sessionParams.referrerUri, 11514 sessionParams.originatingUid, installerUid); 11515 11516 final OriginInfo origin; 11517 if (stagedDir != null) { 11518 origin = OriginInfo.fromStagedFile(stagedDir); 11519 } else { 11520 origin = OriginInfo.fromStagedContainer(stagedCid); 11521 } 11522 11523 final Message msg = mHandler.obtainMessage(INIT_COPY); 11524 final InstallParams params = new InstallParams(origin, null, observer, 11525 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11526 verificationInfo, user, sessionParams.abiOverride, 11527 sessionParams.grantedRuntimePermissions, certificates); 11528 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11529 msg.obj = params; 11530 11531 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11532 System.identityHashCode(msg.obj)); 11533 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11534 System.identityHashCode(msg.obj)); 11535 11536 mHandler.sendMessage(msg); 11537 } 11538 11539 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11540 int userId) { 11541 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11542 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11543 } 11544 11545 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11546 int appId, int userId) { 11547 Bundle extras = new Bundle(1); 11548 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11549 11550 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11551 packageName, extras, 0, null, null, new int[] {userId}); 11552 try { 11553 IActivityManager am = ActivityManagerNative.getDefault(); 11554 if (isSystem && am.isUserRunning(userId, 0)) { 11555 // The just-installed/enabled app is bundled on the system, so presumed 11556 // to be able to run automatically without needing an explicit launch. 11557 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11558 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11559 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11560 .setPackage(packageName); 11561 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11562 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11563 } 11564 } catch (RemoteException e) { 11565 // shouldn't happen 11566 Slog.w(TAG, "Unable to bootstrap installed package", e); 11567 } 11568 } 11569 11570 @Override 11571 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11572 int userId) { 11573 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11574 PackageSetting pkgSetting; 11575 final int uid = Binder.getCallingUid(); 11576 enforceCrossUserPermission(uid, userId, 11577 true /* requireFullPermission */, true /* checkShell */, 11578 "setApplicationHiddenSetting for user " + userId); 11579 11580 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11581 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11582 return false; 11583 } 11584 11585 long callingId = Binder.clearCallingIdentity(); 11586 try { 11587 boolean sendAdded = false; 11588 boolean sendRemoved = false; 11589 // writer 11590 synchronized (mPackages) { 11591 pkgSetting = mSettings.mPackages.get(packageName); 11592 if (pkgSetting == null) { 11593 return false; 11594 } 11595 // Do not allow "android" is being disabled 11596 if ("android".equals(packageName)) { 11597 Slog.w(TAG, "Cannot hide package: android"); 11598 return false; 11599 } 11600 // Only allow protected packages to hide themselves. 11601 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11602 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11603 Slog.w(TAG, "Not hiding protected package: " + packageName); 11604 return false; 11605 } 11606 11607 if (pkgSetting.getHidden(userId) != hidden) { 11608 pkgSetting.setHidden(hidden, userId); 11609 mSettings.writePackageRestrictionsLPr(userId); 11610 if (hidden) { 11611 sendRemoved = true; 11612 } else { 11613 sendAdded = true; 11614 } 11615 } 11616 } 11617 if (sendAdded) { 11618 sendPackageAddedForUser(packageName, pkgSetting, userId); 11619 return true; 11620 } 11621 if (sendRemoved) { 11622 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11623 "hiding pkg"); 11624 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11625 return true; 11626 } 11627 } finally { 11628 Binder.restoreCallingIdentity(callingId); 11629 } 11630 return false; 11631 } 11632 11633 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11634 int userId) { 11635 final PackageRemovedInfo info = new PackageRemovedInfo(); 11636 info.removedPackage = packageName; 11637 info.removedUsers = new int[] {userId}; 11638 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11639 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11640 } 11641 11642 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11643 if (pkgList.length > 0) { 11644 Bundle extras = new Bundle(1); 11645 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11646 11647 sendPackageBroadcast( 11648 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11649 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11650 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11651 new int[] {userId}); 11652 } 11653 } 11654 11655 /** 11656 * Returns true if application is not found or there was an error. Otherwise it returns 11657 * the hidden state of the package for the given user. 11658 */ 11659 @Override 11660 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11661 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11662 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11663 true /* requireFullPermission */, false /* checkShell */, 11664 "getApplicationHidden for user " + userId); 11665 PackageSetting pkgSetting; 11666 long callingId = Binder.clearCallingIdentity(); 11667 try { 11668 // writer 11669 synchronized (mPackages) { 11670 pkgSetting = mSettings.mPackages.get(packageName); 11671 if (pkgSetting == null) { 11672 return true; 11673 } 11674 return pkgSetting.getHidden(userId); 11675 } 11676 } finally { 11677 Binder.restoreCallingIdentity(callingId); 11678 } 11679 } 11680 11681 /** 11682 * @hide 11683 */ 11684 @Override 11685 public int installExistingPackageAsUser(String packageName, int userId) { 11686 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11687 null); 11688 PackageSetting pkgSetting; 11689 final int uid = Binder.getCallingUid(); 11690 enforceCrossUserPermission(uid, userId, 11691 true /* requireFullPermission */, true /* checkShell */, 11692 "installExistingPackage for user " + userId); 11693 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11694 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11695 } 11696 11697 long callingId = Binder.clearCallingIdentity(); 11698 try { 11699 boolean installed = false; 11700 11701 // writer 11702 synchronized (mPackages) { 11703 pkgSetting = mSettings.mPackages.get(packageName); 11704 if (pkgSetting == null) { 11705 return PackageManager.INSTALL_FAILED_INVALID_URI; 11706 } 11707 if (!pkgSetting.getInstalled(userId)) { 11708 pkgSetting.setInstalled(true, userId); 11709 pkgSetting.setHidden(false, userId); 11710 mSettings.writePackageRestrictionsLPr(userId); 11711 installed = true; 11712 } 11713 } 11714 11715 if (installed) { 11716 if (pkgSetting.pkg != null) { 11717 synchronized (mInstallLock) { 11718 // We don't need to freeze for a brand new install 11719 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11720 } 11721 } 11722 sendPackageAddedForUser(packageName, pkgSetting, userId); 11723 } 11724 } finally { 11725 Binder.restoreCallingIdentity(callingId); 11726 } 11727 11728 return PackageManager.INSTALL_SUCCEEDED; 11729 } 11730 11731 boolean isUserRestricted(int userId, String restrictionKey) { 11732 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11733 if (restrictions.getBoolean(restrictionKey, false)) { 11734 Log.w(TAG, "User is restricted: " + restrictionKey); 11735 return true; 11736 } 11737 return false; 11738 } 11739 11740 @Override 11741 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11742 int userId) { 11743 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11744 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11745 true /* requireFullPermission */, true /* checkShell */, 11746 "setPackagesSuspended for user " + userId); 11747 11748 if (ArrayUtils.isEmpty(packageNames)) { 11749 return packageNames; 11750 } 11751 11752 // List of package names for whom the suspended state has changed. 11753 List<String> changedPackages = new ArrayList<>(packageNames.length); 11754 // List of package names for whom the suspended state is not set as requested in this 11755 // method. 11756 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11757 long callingId = Binder.clearCallingIdentity(); 11758 try { 11759 for (int i = 0; i < packageNames.length; i++) { 11760 String packageName = packageNames[i]; 11761 boolean changed = false; 11762 final int appId; 11763 synchronized (mPackages) { 11764 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11765 if (pkgSetting == null) { 11766 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11767 + "\". Skipping suspending/un-suspending."); 11768 unactionedPackages.add(packageName); 11769 continue; 11770 } 11771 appId = pkgSetting.appId; 11772 if (pkgSetting.getSuspended(userId) != suspended) { 11773 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11774 unactionedPackages.add(packageName); 11775 continue; 11776 } 11777 pkgSetting.setSuspended(suspended, userId); 11778 mSettings.writePackageRestrictionsLPr(userId); 11779 changed = true; 11780 changedPackages.add(packageName); 11781 } 11782 } 11783 11784 if (changed && suspended) { 11785 killApplication(packageName, UserHandle.getUid(userId, appId), 11786 "suspending package"); 11787 } 11788 } 11789 } finally { 11790 Binder.restoreCallingIdentity(callingId); 11791 } 11792 11793 if (!changedPackages.isEmpty()) { 11794 sendPackagesSuspendedForUser(changedPackages.toArray( 11795 new String[changedPackages.size()]), userId, suspended); 11796 } 11797 11798 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11799 } 11800 11801 @Override 11802 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11803 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11804 true /* requireFullPermission */, false /* checkShell */, 11805 "isPackageSuspendedForUser for user " + userId); 11806 synchronized (mPackages) { 11807 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11808 if (pkgSetting == null) { 11809 throw new IllegalArgumentException("Unknown target package: " + packageName); 11810 } 11811 return pkgSetting.getSuspended(userId); 11812 } 11813 } 11814 11815 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11816 if (isPackageDeviceAdmin(packageName, userId)) { 11817 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11818 + "\": has an active device admin"); 11819 return false; 11820 } 11821 11822 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11823 if (packageName.equals(activeLauncherPackageName)) { 11824 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11825 + "\": contains the active launcher"); 11826 return false; 11827 } 11828 11829 if (packageName.equals(mRequiredInstallerPackage)) { 11830 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11831 + "\": required for package installation"); 11832 return false; 11833 } 11834 11835 if (packageName.equals(mRequiredUninstallerPackage)) { 11836 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11837 + "\": required for package uninstallation"); 11838 return false; 11839 } 11840 11841 if (packageName.equals(mRequiredVerifierPackage)) { 11842 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11843 + "\": required for package verification"); 11844 return false; 11845 } 11846 11847 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11848 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11849 + "\": is the default dialer"); 11850 return false; 11851 } 11852 11853 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11854 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11855 + "\": protected package"); 11856 return false; 11857 } 11858 11859 return true; 11860 } 11861 11862 private String getActiveLauncherPackageName(int userId) { 11863 Intent intent = new Intent(Intent.ACTION_MAIN); 11864 intent.addCategory(Intent.CATEGORY_HOME); 11865 ResolveInfo resolveInfo = resolveIntent( 11866 intent, 11867 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11868 PackageManager.MATCH_DEFAULT_ONLY, 11869 userId); 11870 11871 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11872 } 11873 11874 private String getDefaultDialerPackageName(int userId) { 11875 synchronized (mPackages) { 11876 return mSettings.getDefaultDialerPackageNameLPw(userId); 11877 } 11878 } 11879 11880 @Override 11881 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11882 mContext.enforceCallingOrSelfPermission( 11883 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11884 "Only package verification agents can verify applications"); 11885 11886 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11887 final PackageVerificationResponse response = new PackageVerificationResponse( 11888 verificationCode, Binder.getCallingUid()); 11889 msg.arg1 = id; 11890 msg.obj = response; 11891 mHandler.sendMessage(msg); 11892 } 11893 11894 @Override 11895 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11896 long millisecondsToDelay) { 11897 mContext.enforceCallingOrSelfPermission( 11898 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11899 "Only package verification agents can extend verification timeouts"); 11900 11901 final PackageVerificationState state = mPendingVerification.get(id); 11902 final PackageVerificationResponse response = new PackageVerificationResponse( 11903 verificationCodeAtTimeout, Binder.getCallingUid()); 11904 11905 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11906 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11907 } 11908 if (millisecondsToDelay < 0) { 11909 millisecondsToDelay = 0; 11910 } 11911 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11912 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11913 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11914 } 11915 11916 if ((state != null) && !state.timeoutExtended()) { 11917 state.extendTimeout(); 11918 11919 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11920 msg.arg1 = id; 11921 msg.obj = response; 11922 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11923 } 11924 } 11925 11926 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11927 int verificationCode, UserHandle user) { 11928 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11929 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11930 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11931 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11932 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11933 11934 mContext.sendBroadcastAsUser(intent, user, 11935 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11936 } 11937 11938 private ComponentName matchComponentForVerifier(String packageName, 11939 List<ResolveInfo> receivers) { 11940 ActivityInfo targetReceiver = null; 11941 11942 final int NR = receivers.size(); 11943 for (int i = 0; i < NR; i++) { 11944 final ResolveInfo info = receivers.get(i); 11945 if (info.activityInfo == null) { 11946 continue; 11947 } 11948 11949 if (packageName.equals(info.activityInfo.packageName)) { 11950 targetReceiver = info.activityInfo; 11951 break; 11952 } 11953 } 11954 11955 if (targetReceiver == null) { 11956 return null; 11957 } 11958 11959 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11960 } 11961 11962 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11963 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11964 if (pkgInfo.verifiers.length == 0) { 11965 return null; 11966 } 11967 11968 final int N = pkgInfo.verifiers.length; 11969 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11970 for (int i = 0; i < N; i++) { 11971 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11972 11973 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11974 receivers); 11975 if (comp == null) { 11976 continue; 11977 } 11978 11979 final int verifierUid = getUidForVerifier(verifierInfo); 11980 if (verifierUid == -1) { 11981 continue; 11982 } 11983 11984 if (DEBUG_VERIFY) { 11985 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11986 + " with the correct signature"); 11987 } 11988 sufficientVerifiers.add(comp); 11989 verificationState.addSufficientVerifier(verifierUid); 11990 } 11991 11992 return sufficientVerifiers; 11993 } 11994 11995 private int getUidForVerifier(VerifierInfo verifierInfo) { 11996 synchronized (mPackages) { 11997 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11998 if (pkg == null) { 11999 return -1; 12000 } else if (pkg.mSignatures.length != 1) { 12001 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12002 + " has more than one signature; ignoring"); 12003 return -1; 12004 } 12005 12006 /* 12007 * If the public key of the package's signature does not match 12008 * our expected public key, then this is a different package and 12009 * we should skip. 12010 */ 12011 12012 final byte[] expectedPublicKey; 12013 try { 12014 final Signature verifierSig = pkg.mSignatures[0]; 12015 final PublicKey publicKey = verifierSig.getPublicKey(); 12016 expectedPublicKey = publicKey.getEncoded(); 12017 } catch (CertificateException e) { 12018 return -1; 12019 } 12020 12021 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12022 12023 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12024 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12025 + " does not have the expected public key; ignoring"); 12026 return -1; 12027 } 12028 12029 return pkg.applicationInfo.uid; 12030 } 12031 } 12032 12033 @Override 12034 public void finishPackageInstall(int token, boolean didLaunch) { 12035 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12036 12037 if (DEBUG_INSTALL) { 12038 Slog.v(TAG, "BM finishing package install for " + token); 12039 } 12040 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12041 12042 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12043 mHandler.sendMessage(msg); 12044 } 12045 12046 /** 12047 * Get the verification agent timeout. 12048 * 12049 * @return verification timeout in milliseconds 12050 */ 12051 private long getVerificationTimeout() { 12052 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12053 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12054 DEFAULT_VERIFICATION_TIMEOUT); 12055 } 12056 12057 /** 12058 * Get the default verification agent response code. 12059 * 12060 * @return default verification response code 12061 */ 12062 private int getDefaultVerificationResponse() { 12063 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12064 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12065 DEFAULT_VERIFICATION_RESPONSE); 12066 } 12067 12068 /** 12069 * Check whether or not package verification has been enabled. 12070 * 12071 * @return true if verification should be performed 12072 */ 12073 private boolean isVerificationEnabled(int userId, int installFlags) { 12074 if (!DEFAULT_VERIFY_ENABLE) { 12075 return false; 12076 } 12077 // Ephemeral apps don't get the full verification treatment 12078 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12079 if (DEBUG_EPHEMERAL) { 12080 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12081 } 12082 return false; 12083 } 12084 12085 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12086 12087 // Check if installing from ADB 12088 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12089 // Do not run verification in a test harness environment 12090 if (ActivityManager.isRunningInTestHarness()) { 12091 return false; 12092 } 12093 if (ensureVerifyAppsEnabled) { 12094 return true; 12095 } 12096 // Check if the developer does not want package verification for ADB installs 12097 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12098 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12099 return false; 12100 } 12101 } 12102 12103 if (ensureVerifyAppsEnabled) { 12104 return true; 12105 } 12106 12107 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12108 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12109 } 12110 12111 @Override 12112 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12113 throws RemoteException { 12114 mContext.enforceCallingOrSelfPermission( 12115 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12116 "Only intentfilter verification agents can verify applications"); 12117 12118 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12119 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12120 Binder.getCallingUid(), verificationCode, failedDomains); 12121 msg.arg1 = id; 12122 msg.obj = response; 12123 mHandler.sendMessage(msg); 12124 } 12125 12126 @Override 12127 public int getIntentVerificationStatus(String packageName, int userId) { 12128 synchronized (mPackages) { 12129 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12130 } 12131 } 12132 12133 @Override 12134 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12135 mContext.enforceCallingOrSelfPermission( 12136 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12137 12138 boolean result = false; 12139 synchronized (mPackages) { 12140 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12141 } 12142 if (result) { 12143 scheduleWritePackageRestrictionsLocked(userId); 12144 } 12145 return result; 12146 } 12147 12148 @Override 12149 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12150 String packageName) { 12151 synchronized (mPackages) { 12152 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12153 } 12154 } 12155 12156 @Override 12157 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12158 if (TextUtils.isEmpty(packageName)) { 12159 return ParceledListSlice.emptyList(); 12160 } 12161 synchronized (mPackages) { 12162 PackageParser.Package pkg = mPackages.get(packageName); 12163 if (pkg == null || pkg.activities == null) { 12164 return ParceledListSlice.emptyList(); 12165 } 12166 final int count = pkg.activities.size(); 12167 ArrayList<IntentFilter> result = new ArrayList<>(); 12168 for (int n=0; n<count; n++) { 12169 PackageParser.Activity activity = pkg.activities.get(n); 12170 if (activity.intents != null && activity.intents.size() > 0) { 12171 result.addAll(activity.intents); 12172 } 12173 } 12174 return new ParceledListSlice<>(result); 12175 } 12176 } 12177 12178 @Override 12179 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12180 mContext.enforceCallingOrSelfPermission( 12181 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12182 12183 synchronized (mPackages) { 12184 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12185 if (packageName != null) { 12186 result |= updateIntentVerificationStatus(packageName, 12187 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12188 userId); 12189 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12190 packageName, userId); 12191 } 12192 return result; 12193 } 12194 } 12195 12196 @Override 12197 public String getDefaultBrowserPackageName(int userId) { 12198 synchronized (mPackages) { 12199 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12200 } 12201 } 12202 12203 /** 12204 * Get the "allow unknown sources" setting. 12205 * 12206 * @return the current "allow unknown sources" setting 12207 */ 12208 private int getUnknownSourcesSettings() { 12209 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12210 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12211 -1); 12212 } 12213 12214 @Override 12215 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12216 final int uid = Binder.getCallingUid(); 12217 // writer 12218 synchronized (mPackages) { 12219 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12220 if (targetPackageSetting == null) { 12221 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12222 } 12223 12224 PackageSetting installerPackageSetting; 12225 if (installerPackageName != null) { 12226 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12227 if (installerPackageSetting == null) { 12228 throw new IllegalArgumentException("Unknown installer package: " 12229 + installerPackageName); 12230 } 12231 } else { 12232 installerPackageSetting = null; 12233 } 12234 12235 Signature[] callerSignature; 12236 Object obj = mSettings.getUserIdLPr(uid); 12237 if (obj != null) { 12238 if (obj instanceof SharedUserSetting) { 12239 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12240 } else if (obj instanceof PackageSetting) { 12241 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12242 } else { 12243 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12244 } 12245 } else { 12246 throw new SecurityException("Unknown calling UID: " + uid); 12247 } 12248 12249 // Verify: can't set installerPackageName to a package that is 12250 // not signed with the same cert as the caller. 12251 if (installerPackageSetting != null) { 12252 if (compareSignatures(callerSignature, 12253 installerPackageSetting.signatures.mSignatures) 12254 != PackageManager.SIGNATURE_MATCH) { 12255 throw new SecurityException( 12256 "Caller does not have same cert as new installer package " 12257 + installerPackageName); 12258 } 12259 } 12260 12261 // Verify: if target already has an installer package, it must 12262 // be signed with the same cert as the caller. 12263 if (targetPackageSetting.installerPackageName != null) { 12264 PackageSetting setting = mSettings.mPackages.get( 12265 targetPackageSetting.installerPackageName); 12266 // If the currently set package isn't valid, then it's always 12267 // okay to change it. 12268 if (setting != null) { 12269 if (compareSignatures(callerSignature, 12270 setting.signatures.mSignatures) 12271 != PackageManager.SIGNATURE_MATCH) { 12272 throw new SecurityException( 12273 "Caller does not have same cert as old installer package " 12274 + targetPackageSetting.installerPackageName); 12275 } 12276 } 12277 } 12278 12279 // Okay! 12280 targetPackageSetting.installerPackageName = installerPackageName; 12281 if (installerPackageName != null) { 12282 mSettings.mInstallerPackages.add(installerPackageName); 12283 } 12284 scheduleWriteSettingsLocked(); 12285 } 12286 } 12287 12288 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12289 // Queue up an async operation since the package installation may take a little while. 12290 mHandler.post(new Runnable() { 12291 public void run() { 12292 mHandler.removeCallbacks(this); 12293 // Result object to be returned 12294 PackageInstalledInfo res = new PackageInstalledInfo(); 12295 res.setReturnCode(currentStatus); 12296 res.uid = -1; 12297 res.pkg = null; 12298 res.removedInfo = null; 12299 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12300 args.doPreInstall(res.returnCode); 12301 synchronized (mInstallLock) { 12302 installPackageTracedLI(args, res); 12303 } 12304 args.doPostInstall(res.returnCode, res.uid); 12305 } 12306 12307 // A restore should be performed at this point if (a) the install 12308 // succeeded, (b) the operation is not an update, and (c) the new 12309 // package has not opted out of backup participation. 12310 final boolean update = res.removedInfo != null 12311 && res.removedInfo.removedPackage != null; 12312 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12313 boolean doRestore = !update 12314 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12315 12316 // Set up the post-install work request bookkeeping. This will be used 12317 // and cleaned up by the post-install event handling regardless of whether 12318 // there's a restore pass performed. Token values are >= 1. 12319 int token; 12320 if (mNextInstallToken < 0) mNextInstallToken = 1; 12321 token = mNextInstallToken++; 12322 12323 PostInstallData data = new PostInstallData(args, res); 12324 mRunningInstalls.put(token, data); 12325 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12326 12327 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12328 // Pass responsibility to the Backup Manager. It will perform a 12329 // restore if appropriate, then pass responsibility back to the 12330 // Package Manager to run the post-install observer callbacks 12331 // and broadcasts. 12332 IBackupManager bm = IBackupManager.Stub.asInterface( 12333 ServiceManager.getService(Context.BACKUP_SERVICE)); 12334 if (bm != null) { 12335 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12336 + " to BM for possible restore"); 12337 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12338 try { 12339 // TODO: http://b/22388012 12340 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12341 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12342 } else { 12343 doRestore = false; 12344 } 12345 } catch (RemoteException e) { 12346 // can't happen; the backup manager is local 12347 } catch (Exception e) { 12348 Slog.e(TAG, "Exception trying to enqueue restore", e); 12349 doRestore = false; 12350 } 12351 } else { 12352 Slog.e(TAG, "Backup Manager not found!"); 12353 doRestore = false; 12354 } 12355 } 12356 12357 if (!doRestore) { 12358 // No restore possible, or the Backup Manager was mysteriously not 12359 // available -- just fire the post-install work request directly. 12360 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12361 12362 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12363 12364 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12365 mHandler.sendMessage(msg); 12366 } 12367 } 12368 }); 12369 } 12370 12371 /** 12372 * Callback from PackageSettings whenever an app is first transitioned out of the 12373 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12374 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12375 * here whether the app is the target of an ongoing install, and only send the 12376 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12377 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12378 * handling. 12379 */ 12380 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12381 // Serialize this with the rest of the install-process message chain. In the 12382 // restore-at-install case, this Runnable will necessarily run before the 12383 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12384 // are coherent. In the non-restore case, the app has already completed install 12385 // and been launched through some other means, so it is not in a problematic 12386 // state for observers to see the FIRST_LAUNCH signal. 12387 mHandler.post(new Runnable() { 12388 @Override 12389 public void run() { 12390 for (int i = 0; i < mRunningInstalls.size(); i++) { 12391 final PostInstallData data = mRunningInstalls.valueAt(i); 12392 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12393 continue; 12394 } 12395 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12396 // right package; but is it for the right user? 12397 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12398 if (userId == data.res.newUsers[uIndex]) { 12399 if (DEBUG_BACKUP) { 12400 Slog.i(TAG, "Package " + pkgName 12401 + " being restored so deferring FIRST_LAUNCH"); 12402 } 12403 return; 12404 } 12405 } 12406 } 12407 } 12408 // didn't find it, so not being restored 12409 if (DEBUG_BACKUP) { 12410 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12411 } 12412 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12413 } 12414 }); 12415 } 12416 12417 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12418 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12419 installerPkg, null, userIds); 12420 } 12421 12422 private abstract class HandlerParams { 12423 private static final int MAX_RETRIES = 4; 12424 12425 /** 12426 * Number of times startCopy() has been attempted and had a non-fatal 12427 * error. 12428 */ 12429 private int mRetries = 0; 12430 12431 /** User handle for the user requesting the information or installation. */ 12432 private final UserHandle mUser; 12433 String traceMethod; 12434 int traceCookie; 12435 12436 HandlerParams(UserHandle user) { 12437 mUser = user; 12438 } 12439 12440 UserHandle getUser() { 12441 return mUser; 12442 } 12443 12444 HandlerParams setTraceMethod(String traceMethod) { 12445 this.traceMethod = traceMethod; 12446 return this; 12447 } 12448 12449 HandlerParams setTraceCookie(int traceCookie) { 12450 this.traceCookie = traceCookie; 12451 return this; 12452 } 12453 12454 final boolean startCopy() { 12455 boolean res; 12456 try { 12457 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12458 12459 if (++mRetries > MAX_RETRIES) { 12460 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12461 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12462 handleServiceError(); 12463 return false; 12464 } else { 12465 handleStartCopy(); 12466 res = true; 12467 } 12468 } catch (RemoteException e) { 12469 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12470 mHandler.sendEmptyMessage(MCS_RECONNECT); 12471 res = false; 12472 } 12473 handleReturnCode(); 12474 return res; 12475 } 12476 12477 final void serviceError() { 12478 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12479 handleServiceError(); 12480 handleReturnCode(); 12481 } 12482 12483 abstract void handleStartCopy() throws RemoteException; 12484 abstract void handleServiceError(); 12485 abstract void handleReturnCode(); 12486 } 12487 12488 class MeasureParams extends HandlerParams { 12489 private final PackageStats mStats; 12490 private boolean mSuccess; 12491 12492 private final IPackageStatsObserver mObserver; 12493 12494 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12495 super(new UserHandle(stats.userHandle)); 12496 mObserver = observer; 12497 mStats = stats; 12498 } 12499 12500 @Override 12501 public String toString() { 12502 return "MeasureParams{" 12503 + Integer.toHexString(System.identityHashCode(this)) 12504 + " " + mStats.packageName + "}"; 12505 } 12506 12507 @Override 12508 void handleStartCopy() throws RemoteException { 12509 synchronized (mInstallLock) { 12510 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12511 } 12512 12513 if (mSuccess) { 12514 boolean mounted = false; 12515 try { 12516 final String status = Environment.getExternalStorageState(); 12517 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12518 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12519 } catch (Exception e) { 12520 } 12521 12522 if (mounted) { 12523 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12524 12525 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12526 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12527 12528 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12529 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12530 12531 // Always subtract cache size, since it's a subdirectory 12532 mStats.externalDataSize -= mStats.externalCacheSize; 12533 12534 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12535 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12536 12537 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12538 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12539 } 12540 } 12541 } 12542 12543 @Override 12544 void handleReturnCode() { 12545 if (mObserver != null) { 12546 try { 12547 mObserver.onGetStatsCompleted(mStats, mSuccess); 12548 } catch (RemoteException e) { 12549 Slog.i(TAG, "Observer no longer exists."); 12550 } 12551 } 12552 } 12553 12554 @Override 12555 void handleServiceError() { 12556 Slog.e(TAG, "Could not measure application " + mStats.packageName 12557 + " external storage"); 12558 } 12559 } 12560 12561 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12562 throws RemoteException { 12563 long result = 0; 12564 for (File path : paths) { 12565 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12566 } 12567 return result; 12568 } 12569 12570 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12571 for (File path : paths) { 12572 try { 12573 mcs.clearDirectory(path.getAbsolutePath()); 12574 } catch (RemoteException e) { 12575 } 12576 } 12577 } 12578 12579 static class OriginInfo { 12580 /** 12581 * Location where install is coming from, before it has been 12582 * copied/renamed into place. This could be a single monolithic APK 12583 * file, or a cluster directory. This location may be untrusted. 12584 */ 12585 final File file; 12586 final String cid; 12587 12588 /** 12589 * Flag indicating that {@link #file} or {@link #cid} has already been 12590 * staged, meaning downstream users don't need to defensively copy the 12591 * contents. 12592 */ 12593 final boolean staged; 12594 12595 /** 12596 * Flag indicating that {@link #file} or {@link #cid} is an already 12597 * installed app that is being moved. 12598 */ 12599 final boolean existing; 12600 12601 final String resolvedPath; 12602 final File resolvedFile; 12603 12604 static OriginInfo fromNothing() { 12605 return new OriginInfo(null, null, false, false); 12606 } 12607 12608 static OriginInfo fromUntrustedFile(File file) { 12609 return new OriginInfo(file, null, false, false); 12610 } 12611 12612 static OriginInfo fromExistingFile(File file) { 12613 return new OriginInfo(file, null, false, true); 12614 } 12615 12616 static OriginInfo fromStagedFile(File file) { 12617 return new OriginInfo(file, null, true, false); 12618 } 12619 12620 static OriginInfo fromStagedContainer(String cid) { 12621 return new OriginInfo(null, cid, true, false); 12622 } 12623 12624 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12625 this.file = file; 12626 this.cid = cid; 12627 this.staged = staged; 12628 this.existing = existing; 12629 12630 if (cid != null) { 12631 resolvedPath = PackageHelper.getSdDir(cid); 12632 resolvedFile = new File(resolvedPath); 12633 } else if (file != null) { 12634 resolvedPath = file.getAbsolutePath(); 12635 resolvedFile = file; 12636 } else { 12637 resolvedPath = null; 12638 resolvedFile = null; 12639 } 12640 } 12641 } 12642 12643 static class MoveInfo { 12644 final int moveId; 12645 final String fromUuid; 12646 final String toUuid; 12647 final String packageName; 12648 final String dataAppName; 12649 final int appId; 12650 final String seinfo; 12651 final int targetSdkVersion; 12652 12653 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12654 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12655 this.moveId = moveId; 12656 this.fromUuid = fromUuid; 12657 this.toUuid = toUuid; 12658 this.packageName = packageName; 12659 this.dataAppName = dataAppName; 12660 this.appId = appId; 12661 this.seinfo = seinfo; 12662 this.targetSdkVersion = targetSdkVersion; 12663 } 12664 } 12665 12666 static class VerificationInfo { 12667 /** A constant used to indicate that a uid value is not present. */ 12668 public static final int NO_UID = -1; 12669 12670 /** URI referencing where the package was downloaded from. */ 12671 final Uri originatingUri; 12672 12673 /** HTTP referrer URI associated with the originatingURI. */ 12674 final Uri referrer; 12675 12676 /** UID of the application that the install request originated from. */ 12677 final int originatingUid; 12678 12679 /** UID of application requesting the install */ 12680 final int installerUid; 12681 12682 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12683 this.originatingUri = originatingUri; 12684 this.referrer = referrer; 12685 this.originatingUid = originatingUid; 12686 this.installerUid = installerUid; 12687 } 12688 } 12689 12690 class InstallParams extends HandlerParams { 12691 final OriginInfo origin; 12692 final MoveInfo move; 12693 final IPackageInstallObserver2 observer; 12694 int installFlags; 12695 final String installerPackageName; 12696 final String volumeUuid; 12697 private InstallArgs mArgs; 12698 private int mRet; 12699 final String packageAbiOverride; 12700 final String[] grantedRuntimePermissions; 12701 final VerificationInfo verificationInfo; 12702 final Certificate[][] certificates; 12703 12704 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12705 int installFlags, String installerPackageName, String volumeUuid, 12706 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12707 String[] grantedPermissions, Certificate[][] certificates) { 12708 super(user); 12709 this.origin = origin; 12710 this.move = move; 12711 this.observer = observer; 12712 this.installFlags = installFlags; 12713 this.installerPackageName = installerPackageName; 12714 this.volumeUuid = volumeUuid; 12715 this.verificationInfo = verificationInfo; 12716 this.packageAbiOverride = packageAbiOverride; 12717 this.grantedRuntimePermissions = grantedPermissions; 12718 this.certificates = certificates; 12719 } 12720 12721 @Override 12722 public String toString() { 12723 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12724 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12725 } 12726 12727 private int installLocationPolicy(PackageInfoLite pkgLite) { 12728 String packageName = pkgLite.packageName; 12729 int installLocation = pkgLite.installLocation; 12730 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12731 // reader 12732 synchronized (mPackages) { 12733 // Currently installed package which the new package is attempting to replace or 12734 // null if no such package is installed. 12735 PackageParser.Package installedPkg = mPackages.get(packageName); 12736 // Package which currently owns the data which the new package will own if installed. 12737 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12738 // will be null whereas dataOwnerPkg will contain information about the package 12739 // which was uninstalled while keeping its data. 12740 PackageParser.Package dataOwnerPkg = installedPkg; 12741 if (dataOwnerPkg == null) { 12742 PackageSetting ps = mSettings.mPackages.get(packageName); 12743 if (ps != null) { 12744 dataOwnerPkg = ps.pkg; 12745 } 12746 } 12747 12748 if (dataOwnerPkg != null) { 12749 // If installed, the package will get access to data left on the device by its 12750 // predecessor. As a security measure, this is permited only if this is not a 12751 // version downgrade or if the predecessor package is marked as debuggable and 12752 // a downgrade is explicitly requested. 12753 // 12754 // On debuggable platform builds, downgrades are permitted even for 12755 // non-debuggable packages to make testing easier. Debuggable platform builds do 12756 // not offer security guarantees and thus it's OK to disable some security 12757 // mechanisms to make debugging/testing easier on those builds. However, even on 12758 // debuggable builds downgrades of packages are permitted only if requested via 12759 // installFlags. This is because we aim to keep the behavior of debuggable 12760 // platform builds as close as possible to the behavior of non-debuggable 12761 // platform builds. 12762 final boolean downgradeRequested = 12763 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12764 final boolean packageDebuggable = 12765 (dataOwnerPkg.applicationInfo.flags 12766 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12767 final boolean downgradePermitted = 12768 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12769 if (!downgradePermitted) { 12770 try { 12771 checkDowngrade(dataOwnerPkg, pkgLite); 12772 } catch (PackageManagerException e) { 12773 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12774 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12775 } 12776 } 12777 } 12778 12779 if (installedPkg != null) { 12780 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12781 // Check for updated system application. 12782 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12783 if (onSd) { 12784 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12785 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12786 } 12787 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12788 } else { 12789 if (onSd) { 12790 // Install flag overrides everything. 12791 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12792 } 12793 // If current upgrade specifies particular preference 12794 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12795 // Application explicitly specified internal. 12796 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12797 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12798 // App explictly prefers external. Let policy decide 12799 } else { 12800 // Prefer previous location 12801 if (isExternal(installedPkg)) { 12802 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12803 } 12804 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12805 } 12806 } 12807 } else { 12808 // Invalid install. Return error code 12809 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12810 } 12811 } 12812 } 12813 // All the special cases have been taken care of. 12814 // Return result based on recommended install location. 12815 if (onSd) { 12816 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12817 } 12818 return pkgLite.recommendedInstallLocation; 12819 } 12820 12821 /* 12822 * Invoke remote method to get package information and install 12823 * location values. Override install location based on default 12824 * policy if needed and then create install arguments based 12825 * on the install location. 12826 */ 12827 public void handleStartCopy() throws RemoteException { 12828 int ret = PackageManager.INSTALL_SUCCEEDED; 12829 12830 // If we're already staged, we've firmly committed to an install location 12831 if (origin.staged) { 12832 if (origin.file != null) { 12833 installFlags |= PackageManager.INSTALL_INTERNAL; 12834 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12835 } else if (origin.cid != null) { 12836 installFlags |= PackageManager.INSTALL_EXTERNAL; 12837 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12838 } else { 12839 throw new IllegalStateException("Invalid stage location"); 12840 } 12841 } 12842 12843 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12844 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12845 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12846 PackageInfoLite pkgLite = null; 12847 12848 if (onInt && onSd) { 12849 // Check if both bits are set. 12850 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12851 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12852 } else if (onSd && ephemeral) { 12853 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12854 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12855 } else { 12856 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12857 packageAbiOverride); 12858 12859 if (DEBUG_EPHEMERAL && ephemeral) { 12860 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12861 } 12862 12863 /* 12864 * If we have too little free space, try to free cache 12865 * before giving up. 12866 */ 12867 if (!origin.staged && pkgLite.recommendedInstallLocation 12868 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12869 // TODO: focus freeing disk space on the target device 12870 final StorageManager storage = StorageManager.from(mContext); 12871 final long lowThreshold = storage.getStorageLowBytes( 12872 Environment.getDataDirectory()); 12873 12874 final long sizeBytes = mContainerService.calculateInstalledSize( 12875 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12876 12877 try { 12878 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12879 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12880 installFlags, packageAbiOverride); 12881 } catch (InstallerException e) { 12882 Slog.w(TAG, "Failed to free cache", e); 12883 } 12884 12885 /* 12886 * The cache free must have deleted the file we 12887 * downloaded to install. 12888 * 12889 * TODO: fix the "freeCache" call to not delete 12890 * the file we care about. 12891 */ 12892 if (pkgLite.recommendedInstallLocation 12893 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12894 pkgLite.recommendedInstallLocation 12895 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12896 } 12897 } 12898 } 12899 12900 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12901 int loc = pkgLite.recommendedInstallLocation; 12902 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12903 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12904 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12905 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12906 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12907 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12908 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12909 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12910 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12911 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12912 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12913 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12914 } else { 12915 // Override with defaults if needed. 12916 loc = installLocationPolicy(pkgLite); 12917 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12918 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12919 } else if (!onSd && !onInt) { 12920 // Override install location with flags 12921 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12922 // Set the flag to install on external media. 12923 installFlags |= PackageManager.INSTALL_EXTERNAL; 12924 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12925 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12926 if (DEBUG_EPHEMERAL) { 12927 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12928 } 12929 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12930 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12931 |PackageManager.INSTALL_INTERNAL); 12932 } else { 12933 // Make sure the flag for installing on external 12934 // media is unset 12935 installFlags |= PackageManager.INSTALL_INTERNAL; 12936 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12937 } 12938 } 12939 } 12940 } 12941 12942 final InstallArgs args = createInstallArgs(this); 12943 mArgs = args; 12944 12945 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12946 // TODO: http://b/22976637 12947 // Apps installed for "all" users use the device owner to verify the app 12948 UserHandle verifierUser = getUser(); 12949 if (verifierUser == UserHandle.ALL) { 12950 verifierUser = UserHandle.SYSTEM; 12951 } 12952 12953 /* 12954 * Determine if we have any installed package verifiers. If we 12955 * do, then we'll defer to them to verify the packages. 12956 */ 12957 final int requiredUid = mRequiredVerifierPackage == null ? -1 12958 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12959 verifierUser.getIdentifier()); 12960 if (!origin.existing && requiredUid != -1 12961 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12962 final Intent verification = new Intent( 12963 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12964 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12965 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12966 PACKAGE_MIME_TYPE); 12967 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12968 12969 // Query all live verifiers based on current user state 12970 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12971 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12972 12973 if (DEBUG_VERIFY) { 12974 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12975 + verification.toString() + " with " + pkgLite.verifiers.length 12976 + " optional verifiers"); 12977 } 12978 12979 final int verificationId = mPendingVerificationToken++; 12980 12981 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12982 12983 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12984 installerPackageName); 12985 12986 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12987 installFlags); 12988 12989 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12990 pkgLite.packageName); 12991 12992 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12993 pkgLite.versionCode); 12994 12995 if (verificationInfo != null) { 12996 if (verificationInfo.originatingUri != null) { 12997 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12998 verificationInfo.originatingUri); 12999 } 13000 if (verificationInfo.referrer != null) { 13001 verification.putExtra(Intent.EXTRA_REFERRER, 13002 verificationInfo.referrer); 13003 } 13004 if (verificationInfo.originatingUid >= 0) { 13005 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13006 verificationInfo.originatingUid); 13007 } 13008 if (verificationInfo.installerUid >= 0) { 13009 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13010 verificationInfo.installerUid); 13011 } 13012 } 13013 13014 final PackageVerificationState verificationState = new PackageVerificationState( 13015 requiredUid, args); 13016 13017 mPendingVerification.append(verificationId, verificationState); 13018 13019 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13020 receivers, verificationState); 13021 13022 /* 13023 * If any sufficient verifiers were listed in the package 13024 * manifest, attempt to ask them. 13025 */ 13026 if (sufficientVerifiers != null) { 13027 final int N = sufficientVerifiers.size(); 13028 if (N == 0) { 13029 Slog.i(TAG, "Additional verifiers required, but none installed."); 13030 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13031 } else { 13032 for (int i = 0; i < N; i++) { 13033 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13034 13035 final Intent sufficientIntent = new Intent(verification); 13036 sufficientIntent.setComponent(verifierComponent); 13037 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13038 } 13039 } 13040 } 13041 13042 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13043 mRequiredVerifierPackage, receivers); 13044 if (ret == PackageManager.INSTALL_SUCCEEDED 13045 && mRequiredVerifierPackage != null) { 13046 Trace.asyncTraceBegin( 13047 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13048 /* 13049 * Send the intent to the required verification agent, 13050 * but only start the verification timeout after the 13051 * target BroadcastReceivers have run. 13052 */ 13053 verification.setComponent(requiredVerifierComponent); 13054 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13055 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13056 new BroadcastReceiver() { 13057 @Override 13058 public void onReceive(Context context, Intent intent) { 13059 final Message msg = mHandler 13060 .obtainMessage(CHECK_PENDING_VERIFICATION); 13061 msg.arg1 = verificationId; 13062 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13063 } 13064 }, null, 0, null, null); 13065 13066 /* 13067 * We don't want the copy to proceed until verification 13068 * succeeds, so null out this field. 13069 */ 13070 mArgs = null; 13071 } 13072 } else { 13073 /* 13074 * No package verification is enabled, so immediately start 13075 * the remote call to initiate copy using temporary file. 13076 */ 13077 ret = args.copyApk(mContainerService, true); 13078 } 13079 } 13080 13081 mRet = ret; 13082 } 13083 13084 @Override 13085 void handleReturnCode() { 13086 // If mArgs is null, then MCS couldn't be reached. When it 13087 // reconnects, it will try again to install. At that point, this 13088 // will succeed. 13089 if (mArgs != null) { 13090 processPendingInstall(mArgs, mRet); 13091 } 13092 } 13093 13094 @Override 13095 void handleServiceError() { 13096 mArgs = createInstallArgs(this); 13097 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13098 } 13099 13100 public boolean isForwardLocked() { 13101 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13102 } 13103 } 13104 13105 /** 13106 * Used during creation of InstallArgs 13107 * 13108 * @param installFlags package installation flags 13109 * @return true if should be installed on external storage 13110 */ 13111 private static boolean installOnExternalAsec(int installFlags) { 13112 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13113 return false; 13114 } 13115 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13116 return true; 13117 } 13118 return false; 13119 } 13120 13121 /** 13122 * Used during creation of InstallArgs 13123 * 13124 * @param installFlags package installation flags 13125 * @return true if should be installed as forward locked 13126 */ 13127 private static boolean installForwardLocked(int installFlags) { 13128 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13129 } 13130 13131 private InstallArgs createInstallArgs(InstallParams params) { 13132 if (params.move != null) { 13133 return new MoveInstallArgs(params); 13134 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13135 return new AsecInstallArgs(params); 13136 } else { 13137 return new FileInstallArgs(params); 13138 } 13139 } 13140 13141 /** 13142 * Create args that describe an existing installed package. Typically used 13143 * when cleaning up old installs, or used as a move source. 13144 */ 13145 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13146 String resourcePath, String[] instructionSets) { 13147 final boolean isInAsec; 13148 if (installOnExternalAsec(installFlags)) { 13149 /* Apps on SD card are always in ASEC containers. */ 13150 isInAsec = true; 13151 } else if (installForwardLocked(installFlags) 13152 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13153 /* 13154 * Forward-locked apps are only in ASEC containers if they're the 13155 * new style 13156 */ 13157 isInAsec = true; 13158 } else { 13159 isInAsec = false; 13160 } 13161 13162 if (isInAsec) { 13163 return new AsecInstallArgs(codePath, instructionSets, 13164 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13165 } else { 13166 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13167 } 13168 } 13169 13170 static abstract class InstallArgs { 13171 /** @see InstallParams#origin */ 13172 final OriginInfo origin; 13173 /** @see InstallParams#move */ 13174 final MoveInfo move; 13175 13176 final IPackageInstallObserver2 observer; 13177 // Always refers to PackageManager flags only 13178 final int installFlags; 13179 final String installerPackageName; 13180 final String volumeUuid; 13181 final UserHandle user; 13182 final String abiOverride; 13183 final String[] installGrantPermissions; 13184 /** If non-null, drop an async trace when the install completes */ 13185 final String traceMethod; 13186 final int traceCookie; 13187 final Certificate[][] certificates; 13188 13189 // The list of instruction sets supported by this app. This is currently 13190 // only used during the rmdex() phase to clean up resources. We can get rid of this 13191 // if we move dex files under the common app path. 13192 /* nullable */ String[] instructionSets; 13193 13194 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13195 int installFlags, String installerPackageName, String volumeUuid, 13196 UserHandle user, String[] instructionSets, 13197 String abiOverride, String[] installGrantPermissions, 13198 String traceMethod, int traceCookie, Certificate[][] certificates) { 13199 this.origin = origin; 13200 this.move = move; 13201 this.installFlags = installFlags; 13202 this.observer = observer; 13203 this.installerPackageName = installerPackageName; 13204 this.volumeUuid = volumeUuid; 13205 this.user = user; 13206 this.instructionSets = instructionSets; 13207 this.abiOverride = abiOverride; 13208 this.installGrantPermissions = installGrantPermissions; 13209 this.traceMethod = traceMethod; 13210 this.traceCookie = traceCookie; 13211 this.certificates = certificates; 13212 } 13213 13214 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13215 abstract int doPreInstall(int status); 13216 13217 /** 13218 * Rename package into final resting place. All paths on the given 13219 * scanned package should be updated to reflect the rename. 13220 */ 13221 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13222 abstract int doPostInstall(int status, int uid); 13223 13224 /** @see PackageSettingBase#codePathString */ 13225 abstract String getCodePath(); 13226 /** @see PackageSettingBase#resourcePathString */ 13227 abstract String getResourcePath(); 13228 13229 // Need installer lock especially for dex file removal. 13230 abstract void cleanUpResourcesLI(); 13231 abstract boolean doPostDeleteLI(boolean delete); 13232 13233 /** 13234 * Called before the source arguments are copied. This is used mostly 13235 * for MoveParams when it needs to read the source file to put it in the 13236 * destination. 13237 */ 13238 int doPreCopy() { 13239 return PackageManager.INSTALL_SUCCEEDED; 13240 } 13241 13242 /** 13243 * Called after the source arguments are copied. This is used mostly for 13244 * MoveParams when it needs to read the source file to put it in the 13245 * destination. 13246 */ 13247 int doPostCopy(int uid) { 13248 return PackageManager.INSTALL_SUCCEEDED; 13249 } 13250 13251 protected boolean isFwdLocked() { 13252 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13253 } 13254 13255 protected boolean isExternalAsec() { 13256 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13257 } 13258 13259 protected boolean isEphemeral() { 13260 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13261 } 13262 13263 UserHandle getUser() { 13264 return user; 13265 } 13266 } 13267 13268 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13269 if (!allCodePaths.isEmpty()) { 13270 if (instructionSets == null) { 13271 throw new IllegalStateException("instructionSet == null"); 13272 } 13273 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13274 for (String codePath : allCodePaths) { 13275 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13276 try { 13277 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13278 } catch (InstallerException ignored) { 13279 } 13280 } 13281 } 13282 } 13283 } 13284 13285 /** 13286 * Logic to handle installation of non-ASEC applications, including copying 13287 * and renaming logic. 13288 */ 13289 class FileInstallArgs extends InstallArgs { 13290 private File codeFile; 13291 private File resourceFile; 13292 13293 // Example topology: 13294 // /data/app/com.example/base.apk 13295 // /data/app/com.example/split_foo.apk 13296 // /data/app/com.example/lib/arm/libfoo.so 13297 // /data/app/com.example/lib/arm64/libfoo.so 13298 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13299 13300 /** New install */ 13301 FileInstallArgs(InstallParams params) { 13302 super(params.origin, params.move, params.observer, params.installFlags, 13303 params.installerPackageName, params.volumeUuid, 13304 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13305 params.grantedRuntimePermissions, 13306 params.traceMethod, params.traceCookie, params.certificates); 13307 if (isFwdLocked()) { 13308 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13309 } 13310 } 13311 13312 /** Existing install */ 13313 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13314 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13315 null, null, null, 0, null /*certificates*/); 13316 this.codeFile = (codePath != null) ? new File(codePath) : null; 13317 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13318 } 13319 13320 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13321 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13322 try { 13323 return doCopyApk(imcs, temp); 13324 } finally { 13325 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13326 } 13327 } 13328 13329 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13330 if (origin.staged) { 13331 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13332 codeFile = origin.file; 13333 resourceFile = origin.file; 13334 return PackageManager.INSTALL_SUCCEEDED; 13335 } 13336 13337 try { 13338 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13339 final File tempDir = 13340 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13341 codeFile = tempDir; 13342 resourceFile = tempDir; 13343 } catch (IOException e) { 13344 Slog.w(TAG, "Failed to create copy file: " + e); 13345 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13346 } 13347 13348 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13349 @Override 13350 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13351 if (!FileUtils.isValidExtFilename(name)) { 13352 throw new IllegalArgumentException("Invalid filename: " + name); 13353 } 13354 try { 13355 final File file = new File(codeFile, name); 13356 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13357 O_RDWR | O_CREAT, 0644); 13358 Os.chmod(file.getAbsolutePath(), 0644); 13359 return new ParcelFileDescriptor(fd); 13360 } catch (ErrnoException e) { 13361 throw new RemoteException("Failed to open: " + e.getMessage()); 13362 } 13363 } 13364 }; 13365 13366 int ret = PackageManager.INSTALL_SUCCEEDED; 13367 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13368 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13369 Slog.e(TAG, "Failed to copy package"); 13370 return ret; 13371 } 13372 13373 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13374 NativeLibraryHelper.Handle handle = null; 13375 try { 13376 handle = NativeLibraryHelper.Handle.create(codeFile); 13377 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13378 abiOverride); 13379 } catch (IOException e) { 13380 Slog.e(TAG, "Copying native libraries failed", e); 13381 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13382 } finally { 13383 IoUtils.closeQuietly(handle); 13384 } 13385 13386 return ret; 13387 } 13388 13389 int doPreInstall(int status) { 13390 if (status != PackageManager.INSTALL_SUCCEEDED) { 13391 cleanUp(); 13392 } 13393 return status; 13394 } 13395 13396 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13397 if (status != PackageManager.INSTALL_SUCCEEDED) { 13398 cleanUp(); 13399 return false; 13400 } 13401 13402 final File targetDir = codeFile.getParentFile(); 13403 final File beforeCodeFile = codeFile; 13404 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13405 13406 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13407 try { 13408 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13409 } catch (ErrnoException e) { 13410 Slog.w(TAG, "Failed to rename", e); 13411 return false; 13412 } 13413 13414 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13415 Slog.w(TAG, "Failed to restorecon"); 13416 return false; 13417 } 13418 13419 // Reflect the rename internally 13420 codeFile = afterCodeFile; 13421 resourceFile = afterCodeFile; 13422 13423 // Reflect the rename in scanned details 13424 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13425 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13426 afterCodeFile, pkg.baseCodePath)); 13427 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13428 afterCodeFile, pkg.splitCodePaths)); 13429 13430 // Reflect the rename in app info 13431 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13432 pkg.setApplicationInfoCodePath(pkg.codePath); 13433 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13434 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13435 pkg.setApplicationInfoResourcePath(pkg.codePath); 13436 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13437 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13438 13439 return true; 13440 } 13441 13442 int doPostInstall(int status, int uid) { 13443 if (status != PackageManager.INSTALL_SUCCEEDED) { 13444 cleanUp(); 13445 } 13446 return status; 13447 } 13448 13449 @Override 13450 String getCodePath() { 13451 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13452 } 13453 13454 @Override 13455 String getResourcePath() { 13456 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13457 } 13458 13459 private boolean cleanUp() { 13460 if (codeFile == null || !codeFile.exists()) { 13461 return false; 13462 } 13463 13464 removeCodePathLI(codeFile); 13465 13466 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13467 resourceFile.delete(); 13468 } 13469 13470 return true; 13471 } 13472 13473 void cleanUpResourcesLI() { 13474 // Try enumerating all code paths before deleting 13475 List<String> allCodePaths = Collections.EMPTY_LIST; 13476 if (codeFile != null && codeFile.exists()) { 13477 try { 13478 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13479 allCodePaths = pkg.getAllCodePaths(); 13480 } catch (PackageParserException e) { 13481 // Ignored; we tried our best 13482 } 13483 } 13484 13485 cleanUp(); 13486 removeDexFiles(allCodePaths, instructionSets); 13487 } 13488 13489 boolean doPostDeleteLI(boolean delete) { 13490 // XXX err, shouldn't we respect the delete flag? 13491 cleanUpResourcesLI(); 13492 return true; 13493 } 13494 } 13495 13496 private boolean isAsecExternal(String cid) { 13497 final String asecPath = PackageHelper.getSdFilesystem(cid); 13498 return !asecPath.startsWith(mAsecInternalPath); 13499 } 13500 13501 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13502 PackageManagerException { 13503 if (copyRet < 0) { 13504 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13505 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13506 throw new PackageManagerException(copyRet, message); 13507 } 13508 } 13509 } 13510 13511 /** 13512 * Extract the MountService "container ID" from the full code path of an 13513 * .apk. 13514 */ 13515 static String cidFromCodePath(String fullCodePath) { 13516 int eidx = fullCodePath.lastIndexOf("/"); 13517 String subStr1 = fullCodePath.substring(0, eidx); 13518 int sidx = subStr1.lastIndexOf("/"); 13519 return subStr1.substring(sidx+1, eidx); 13520 } 13521 13522 /** 13523 * Logic to handle installation of ASEC applications, including copying and 13524 * renaming logic. 13525 */ 13526 class AsecInstallArgs extends InstallArgs { 13527 static final String RES_FILE_NAME = "pkg.apk"; 13528 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13529 13530 String cid; 13531 String packagePath; 13532 String resourcePath; 13533 13534 /** New install */ 13535 AsecInstallArgs(InstallParams params) { 13536 super(params.origin, params.move, params.observer, params.installFlags, 13537 params.installerPackageName, params.volumeUuid, 13538 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13539 params.grantedRuntimePermissions, 13540 params.traceMethod, params.traceCookie, params.certificates); 13541 } 13542 13543 /** Existing install */ 13544 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13545 boolean isExternal, boolean isForwardLocked) { 13546 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13547 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13548 instructionSets, null, null, null, 0, null /*certificates*/); 13549 // Hackily pretend we're still looking at a full code path 13550 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13551 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13552 } 13553 13554 // Extract cid from fullCodePath 13555 int eidx = fullCodePath.lastIndexOf("/"); 13556 String subStr1 = fullCodePath.substring(0, eidx); 13557 int sidx = subStr1.lastIndexOf("/"); 13558 cid = subStr1.substring(sidx+1, eidx); 13559 setMountPath(subStr1); 13560 } 13561 13562 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13563 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13564 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13565 instructionSets, null, null, null, 0, null /*certificates*/); 13566 this.cid = cid; 13567 setMountPath(PackageHelper.getSdDir(cid)); 13568 } 13569 13570 void createCopyFile() { 13571 cid = mInstallerService.allocateExternalStageCidLegacy(); 13572 } 13573 13574 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13575 if (origin.staged && origin.cid != null) { 13576 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13577 cid = origin.cid; 13578 setMountPath(PackageHelper.getSdDir(cid)); 13579 return PackageManager.INSTALL_SUCCEEDED; 13580 } 13581 13582 if (temp) { 13583 createCopyFile(); 13584 } else { 13585 /* 13586 * Pre-emptively destroy the container since it's destroyed if 13587 * copying fails due to it existing anyway. 13588 */ 13589 PackageHelper.destroySdDir(cid); 13590 } 13591 13592 final String newMountPath = imcs.copyPackageToContainer( 13593 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13594 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13595 13596 if (newMountPath != null) { 13597 setMountPath(newMountPath); 13598 return PackageManager.INSTALL_SUCCEEDED; 13599 } else { 13600 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13601 } 13602 } 13603 13604 @Override 13605 String getCodePath() { 13606 return packagePath; 13607 } 13608 13609 @Override 13610 String getResourcePath() { 13611 return resourcePath; 13612 } 13613 13614 int doPreInstall(int status) { 13615 if (status != PackageManager.INSTALL_SUCCEEDED) { 13616 // Destroy container 13617 PackageHelper.destroySdDir(cid); 13618 } else { 13619 boolean mounted = PackageHelper.isContainerMounted(cid); 13620 if (!mounted) { 13621 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13622 Process.SYSTEM_UID); 13623 if (newMountPath != null) { 13624 setMountPath(newMountPath); 13625 } else { 13626 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13627 } 13628 } 13629 } 13630 return status; 13631 } 13632 13633 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13634 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13635 String newMountPath = null; 13636 if (PackageHelper.isContainerMounted(cid)) { 13637 // Unmount the container 13638 if (!PackageHelper.unMountSdDir(cid)) { 13639 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13640 return false; 13641 } 13642 } 13643 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13644 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13645 " which might be stale. Will try to clean up."); 13646 // Clean up the stale container and proceed to recreate. 13647 if (!PackageHelper.destroySdDir(newCacheId)) { 13648 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13649 return false; 13650 } 13651 // Successfully cleaned up stale container. Try to rename again. 13652 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13653 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13654 + " inspite of cleaning it up."); 13655 return false; 13656 } 13657 } 13658 if (!PackageHelper.isContainerMounted(newCacheId)) { 13659 Slog.w(TAG, "Mounting container " + newCacheId); 13660 newMountPath = PackageHelper.mountSdDir(newCacheId, 13661 getEncryptKey(), Process.SYSTEM_UID); 13662 } else { 13663 newMountPath = PackageHelper.getSdDir(newCacheId); 13664 } 13665 if (newMountPath == null) { 13666 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13667 return false; 13668 } 13669 Log.i(TAG, "Succesfully renamed " + cid + 13670 " to " + newCacheId + 13671 " at new path: " + newMountPath); 13672 cid = newCacheId; 13673 13674 final File beforeCodeFile = new File(packagePath); 13675 setMountPath(newMountPath); 13676 final File afterCodeFile = new File(packagePath); 13677 13678 // Reflect the rename in scanned details 13679 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13680 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13681 afterCodeFile, pkg.baseCodePath)); 13682 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13683 afterCodeFile, pkg.splitCodePaths)); 13684 13685 // Reflect the rename in app info 13686 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13687 pkg.setApplicationInfoCodePath(pkg.codePath); 13688 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13689 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13690 pkg.setApplicationInfoResourcePath(pkg.codePath); 13691 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13692 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13693 13694 return true; 13695 } 13696 13697 private void setMountPath(String mountPath) { 13698 final File mountFile = new File(mountPath); 13699 13700 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13701 if (monolithicFile.exists()) { 13702 packagePath = monolithicFile.getAbsolutePath(); 13703 if (isFwdLocked()) { 13704 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13705 } else { 13706 resourcePath = packagePath; 13707 } 13708 } else { 13709 packagePath = mountFile.getAbsolutePath(); 13710 resourcePath = packagePath; 13711 } 13712 } 13713 13714 int doPostInstall(int status, int uid) { 13715 if (status != PackageManager.INSTALL_SUCCEEDED) { 13716 cleanUp(); 13717 } else { 13718 final int groupOwner; 13719 final String protectedFile; 13720 if (isFwdLocked()) { 13721 groupOwner = UserHandle.getSharedAppGid(uid); 13722 protectedFile = RES_FILE_NAME; 13723 } else { 13724 groupOwner = -1; 13725 protectedFile = null; 13726 } 13727 13728 if (uid < Process.FIRST_APPLICATION_UID 13729 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13730 Slog.e(TAG, "Failed to finalize " + cid); 13731 PackageHelper.destroySdDir(cid); 13732 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13733 } 13734 13735 boolean mounted = PackageHelper.isContainerMounted(cid); 13736 if (!mounted) { 13737 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13738 } 13739 } 13740 return status; 13741 } 13742 13743 private void cleanUp() { 13744 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13745 13746 // Destroy secure container 13747 PackageHelper.destroySdDir(cid); 13748 } 13749 13750 private List<String> getAllCodePaths() { 13751 final File codeFile = new File(getCodePath()); 13752 if (codeFile != null && codeFile.exists()) { 13753 try { 13754 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13755 return pkg.getAllCodePaths(); 13756 } catch (PackageParserException e) { 13757 // Ignored; we tried our best 13758 } 13759 } 13760 return Collections.EMPTY_LIST; 13761 } 13762 13763 void cleanUpResourcesLI() { 13764 // Enumerate all code paths before deleting 13765 cleanUpResourcesLI(getAllCodePaths()); 13766 } 13767 13768 private void cleanUpResourcesLI(List<String> allCodePaths) { 13769 cleanUp(); 13770 removeDexFiles(allCodePaths, instructionSets); 13771 } 13772 13773 String getPackageName() { 13774 return getAsecPackageName(cid); 13775 } 13776 13777 boolean doPostDeleteLI(boolean delete) { 13778 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13779 final List<String> allCodePaths = getAllCodePaths(); 13780 boolean mounted = PackageHelper.isContainerMounted(cid); 13781 if (mounted) { 13782 // Unmount first 13783 if (PackageHelper.unMountSdDir(cid)) { 13784 mounted = false; 13785 } 13786 } 13787 if (!mounted && delete) { 13788 cleanUpResourcesLI(allCodePaths); 13789 } 13790 return !mounted; 13791 } 13792 13793 @Override 13794 int doPreCopy() { 13795 if (isFwdLocked()) { 13796 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13797 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13798 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13799 } 13800 } 13801 13802 return PackageManager.INSTALL_SUCCEEDED; 13803 } 13804 13805 @Override 13806 int doPostCopy(int uid) { 13807 if (isFwdLocked()) { 13808 if (uid < Process.FIRST_APPLICATION_UID 13809 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13810 RES_FILE_NAME)) { 13811 Slog.e(TAG, "Failed to finalize " + cid); 13812 PackageHelper.destroySdDir(cid); 13813 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13814 } 13815 } 13816 13817 return PackageManager.INSTALL_SUCCEEDED; 13818 } 13819 } 13820 13821 /** 13822 * Logic to handle movement of existing installed applications. 13823 */ 13824 class MoveInstallArgs extends InstallArgs { 13825 private File codeFile; 13826 private File resourceFile; 13827 13828 /** New install */ 13829 MoveInstallArgs(InstallParams params) { 13830 super(params.origin, params.move, params.observer, params.installFlags, 13831 params.installerPackageName, params.volumeUuid, 13832 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13833 params.grantedRuntimePermissions, 13834 params.traceMethod, params.traceCookie, params.certificates); 13835 } 13836 13837 int copyApk(IMediaContainerService imcs, boolean temp) { 13838 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13839 + move.fromUuid + " to " + move.toUuid); 13840 synchronized (mInstaller) { 13841 try { 13842 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13843 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13844 } catch (InstallerException e) { 13845 Slog.w(TAG, "Failed to move app", e); 13846 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13847 } 13848 } 13849 13850 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13851 resourceFile = codeFile; 13852 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13853 13854 return PackageManager.INSTALL_SUCCEEDED; 13855 } 13856 13857 int doPreInstall(int status) { 13858 if (status != PackageManager.INSTALL_SUCCEEDED) { 13859 cleanUp(move.toUuid); 13860 } 13861 return status; 13862 } 13863 13864 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13865 if (status != PackageManager.INSTALL_SUCCEEDED) { 13866 cleanUp(move.toUuid); 13867 return false; 13868 } 13869 13870 // Reflect the move in app info 13871 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13872 pkg.setApplicationInfoCodePath(pkg.codePath); 13873 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13874 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13875 pkg.setApplicationInfoResourcePath(pkg.codePath); 13876 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13877 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13878 13879 return true; 13880 } 13881 13882 int doPostInstall(int status, int uid) { 13883 if (status == PackageManager.INSTALL_SUCCEEDED) { 13884 cleanUp(move.fromUuid); 13885 } else { 13886 cleanUp(move.toUuid); 13887 } 13888 return status; 13889 } 13890 13891 @Override 13892 String getCodePath() { 13893 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13894 } 13895 13896 @Override 13897 String getResourcePath() { 13898 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13899 } 13900 13901 private boolean cleanUp(String volumeUuid) { 13902 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13903 move.dataAppName); 13904 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13905 final int[] userIds = sUserManager.getUserIds(); 13906 synchronized (mInstallLock) { 13907 // Clean up both app data and code 13908 // All package moves are frozen until finished 13909 for (int userId : userIds) { 13910 try { 13911 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13912 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13913 } catch (InstallerException e) { 13914 Slog.w(TAG, String.valueOf(e)); 13915 } 13916 } 13917 removeCodePathLI(codeFile); 13918 } 13919 return true; 13920 } 13921 13922 void cleanUpResourcesLI() { 13923 throw new UnsupportedOperationException(); 13924 } 13925 13926 boolean doPostDeleteLI(boolean delete) { 13927 throw new UnsupportedOperationException(); 13928 } 13929 } 13930 13931 static String getAsecPackageName(String packageCid) { 13932 int idx = packageCid.lastIndexOf("-"); 13933 if (idx == -1) { 13934 return packageCid; 13935 } 13936 return packageCid.substring(0, idx); 13937 } 13938 13939 // Utility method used to create code paths based on package name and available index. 13940 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13941 String idxStr = ""; 13942 int idx = 1; 13943 // Fall back to default value of idx=1 if prefix is not 13944 // part of oldCodePath 13945 if (oldCodePath != null) { 13946 String subStr = oldCodePath; 13947 // Drop the suffix right away 13948 if (suffix != null && subStr.endsWith(suffix)) { 13949 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13950 } 13951 // If oldCodePath already contains prefix find out the 13952 // ending index to either increment or decrement. 13953 int sidx = subStr.lastIndexOf(prefix); 13954 if (sidx != -1) { 13955 subStr = subStr.substring(sidx + prefix.length()); 13956 if (subStr != null) { 13957 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13958 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13959 } 13960 try { 13961 idx = Integer.parseInt(subStr); 13962 if (idx <= 1) { 13963 idx++; 13964 } else { 13965 idx--; 13966 } 13967 } catch(NumberFormatException e) { 13968 } 13969 } 13970 } 13971 } 13972 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13973 return prefix + idxStr; 13974 } 13975 13976 private File getNextCodePath(File targetDir, String packageName) { 13977 int suffix = 1; 13978 File result; 13979 do { 13980 result = new File(targetDir, packageName + "-" + suffix); 13981 suffix++; 13982 } while (result.exists()); 13983 return result; 13984 } 13985 13986 // Utility method that returns the relative package path with respect 13987 // to the installation directory. Like say for /data/data/com.test-1.apk 13988 // string com.test-1 is returned. 13989 static String deriveCodePathName(String codePath) { 13990 if (codePath == null) { 13991 return null; 13992 } 13993 final File codeFile = new File(codePath); 13994 final String name = codeFile.getName(); 13995 if (codeFile.isDirectory()) { 13996 return name; 13997 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13998 final int lastDot = name.lastIndexOf('.'); 13999 return name.substring(0, lastDot); 14000 } else { 14001 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14002 return null; 14003 } 14004 } 14005 14006 static class PackageInstalledInfo { 14007 String name; 14008 int uid; 14009 // The set of users that originally had this package installed. 14010 int[] origUsers; 14011 // The set of users that now have this package installed. 14012 int[] newUsers; 14013 PackageParser.Package pkg; 14014 int returnCode; 14015 String returnMsg; 14016 PackageRemovedInfo removedInfo; 14017 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14018 14019 public void setError(int code, String msg) { 14020 setReturnCode(code); 14021 setReturnMessage(msg); 14022 Slog.w(TAG, msg); 14023 } 14024 14025 public void setError(String msg, PackageParserException e) { 14026 setReturnCode(e.error); 14027 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14028 Slog.w(TAG, msg, e); 14029 } 14030 14031 public void setError(String msg, PackageManagerException e) { 14032 returnCode = e.error; 14033 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14034 Slog.w(TAG, msg, e); 14035 } 14036 14037 public void setReturnCode(int returnCode) { 14038 this.returnCode = returnCode; 14039 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14040 for (int i = 0; i < childCount; i++) { 14041 addedChildPackages.valueAt(i).returnCode = returnCode; 14042 } 14043 } 14044 14045 private void setReturnMessage(String returnMsg) { 14046 this.returnMsg = returnMsg; 14047 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14048 for (int i = 0; i < childCount; i++) { 14049 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14050 } 14051 } 14052 14053 // In some error cases we want to convey more info back to the observer 14054 String origPackage; 14055 String origPermission; 14056 } 14057 14058 /* 14059 * Install a non-existing package. 14060 */ 14061 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14062 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14063 PackageInstalledInfo res) { 14064 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14065 14066 // Remember this for later, in case we need to rollback this install 14067 String pkgName = pkg.packageName; 14068 14069 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14070 14071 synchronized(mPackages) { 14072 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14073 // A package with the same name is already installed, though 14074 // it has been renamed to an older name. The package we 14075 // are trying to install should be installed as an update to 14076 // the existing one, but that has not been requested, so bail. 14077 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14078 + " without first uninstalling package running as " 14079 + mSettings.mRenamedPackages.get(pkgName)); 14080 return; 14081 } 14082 if (mPackages.containsKey(pkgName)) { 14083 // Don't allow installation over an existing package with the same name. 14084 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14085 + " without first uninstalling."); 14086 return; 14087 } 14088 } 14089 14090 try { 14091 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14092 System.currentTimeMillis(), user); 14093 14094 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14095 14096 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14097 prepareAppDataAfterInstallLIF(newPackage); 14098 14099 } else { 14100 // Remove package from internal structures, but keep around any 14101 // data that might have already existed 14102 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14103 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14104 } 14105 } catch (PackageManagerException e) { 14106 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14107 } 14108 14109 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14110 } 14111 14112 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14113 // Can't rotate keys during boot or if sharedUser. 14114 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14115 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14116 return false; 14117 } 14118 // app is using upgradeKeySets; make sure all are valid 14119 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14120 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14121 for (int i = 0; i < upgradeKeySets.length; i++) { 14122 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14123 Slog.wtf(TAG, "Package " 14124 + (oldPs.name != null ? oldPs.name : "<null>") 14125 + " contains upgrade-key-set reference to unknown key-set: " 14126 + upgradeKeySets[i] 14127 + " reverting to signatures check."); 14128 return false; 14129 } 14130 } 14131 return true; 14132 } 14133 14134 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14135 // Upgrade keysets are being used. Determine if new package has a superset of the 14136 // required keys. 14137 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14138 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14139 for (int i = 0; i < upgradeKeySets.length; i++) { 14140 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14141 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14142 return true; 14143 } 14144 } 14145 return false; 14146 } 14147 14148 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14149 try (DigestInputStream digestStream = 14150 new DigestInputStream(new FileInputStream(file), digest)) { 14151 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14152 } 14153 } 14154 14155 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14156 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14157 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14158 14159 final PackageParser.Package oldPackage; 14160 final String pkgName = pkg.packageName; 14161 final int[] allUsers; 14162 final int[] installedUsers; 14163 14164 synchronized(mPackages) { 14165 oldPackage = mPackages.get(pkgName); 14166 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14167 14168 // don't allow upgrade to target a release SDK from a pre-release SDK 14169 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14170 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14171 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14172 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14173 if (oldTargetsPreRelease 14174 && !newTargetsPreRelease 14175 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14176 Slog.w(TAG, "Can't install package targeting released sdk"); 14177 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14178 return; 14179 } 14180 14181 // don't allow an upgrade from full to ephemeral 14182 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14183 if (isEphemeral && !oldIsEphemeral) { 14184 // can't downgrade from full to ephemeral 14185 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14186 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14187 return; 14188 } 14189 14190 // verify signatures are valid 14191 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14192 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14193 if (!checkUpgradeKeySetLP(ps, pkg)) { 14194 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14195 "New package not signed by keys specified by upgrade-keysets: " 14196 + pkgName); 14197 return; 14198 } 14199 } else { 14200 // default to original signature matching 14201 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14202 != PackageManager.SIGNATURE_MATCH) { 14203 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14204 "New package has a different signature: " + pkgName); 14205 return; 14206 } 14207 } 14208 14209 // don't allow a system upgrade unless the upgrade hash matches 14210 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14211 byte[] digestBytes = null; 14212 try { 14213 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14214 updateDigest(digest, new File(pkg.baseCodePath)); 14215 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14216 for (String path : pkg.splitCodePaths) { 14217 updateDigest(digest, new File(path)); 14218 } 14219 } 14220 digestBytes = digest.digest(); 14221 } catch (NoSuchAlgorithmException | IOException e) { 14222 res.setError(INSTALL_FAILED_INVALID_APK, 14223 "Could not compute hash: " + pkgName); 14224 return; 14225 } 14226 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14227 res.setError(INSTALL_FAILED_INVALID_APK, 14228 "New package fails restrict-update check: " + pkgName); 14229 return; 14230 } 14231 // retain upgrade restriction 14232 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14233 } 14234 14235 // Check for shared user id changes 14236 String invalidPackageName = 14237 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14238 if (invalidPackageName != null) { 14239 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14240 "Package " + invalidPackageName + " tried to change user " 14241 + oldPackage.mSharedUserId); 14242 return; 14243 } 14244 14245 // In case of rollback, remember per-user/profile install state 14246 allUsers = sUserManager.getUserIds(); 14247 installedUsers = ps.queryInstalledUsers(allUsers, true); 14248 } 14249 14250 // Update what is removed 14251 res.removedInfo = new PackageRemovedInfo(); 14252 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14253 res.removedInfo.removedPackage = oldPackage.packageName; 14254 res.removedInfo.isUpdate = true; 14255 res.removedInfo.origUsers = installedUsers; 14256 final int childCount = (oldPackage.childPackages != null) 14257 ? oldPackage.childPackages.size() : 0; 14258 for (int i = 0; i < childCount; i++) { 14259 boolean childPackageUpdated = false; 14260 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14261 if (res.addedChildPackages != null) { 14262 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14263 if (childRes != null) { 14264 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14265 childRes.removedInfo.removedPackage = childPkg.packageName; 14266 childRes.removedInfo.isUpdate = true; 14267 childPackageUpdated = true; 14268 } 14269 } 14270 if (!childPackageUpdated) { 14271 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14272 childRemovedRes.removedPackage = childPkg.packageName; 14273 childRemovedRes.isUpdate = false; 14274 childRemovedRes.dataRemoved = true; 14275 synchronized (mPackages) { 14276 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14277 if (childPs != null) { 14278 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14279 } 14280 } 14281 if (res.removedInfo.removedChildPackages == null) { 14282 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14283 } 14284 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14285 } 14286 } 14287 14288 boolean sysPkg = (isSystemApp(oldPackage)); 14289 if (sysPkg) { 14290 // Set the system/privileged flags as needed 14291 final boolean privileged = 14292 (oldPackage.applicationInfo.privateFlags 14293 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14294 final int systemPolicyFlags = policyFlags 14295 | PackageParser.PARSE_IS_SYSTEM 14296 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14297 14298 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14299 user, allUsers, installerPackageName, res); 14300 } else { 14301 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14302 user, allUsers, installerPackageName, res); 14303 } 14304 } 14305 14306 public List<String> getPreviousCodePaths(String packageName) { 14307 final PackageSetting ps = mSettings.mPackages.get(packageName); 14308 final List<String> result = new ArrayList<String>(); 14309 if (ps != null && ps.oldCodePaths != null) { 14310 result.addAll(ps.oldCodePaths); 14311 } 14312 return result; 14313 } 14314 14315 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14316 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14317 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14318 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14319 + deletedPackage); 14320 14321 String pkgName = deletedPackage.packageName; 14322 boolean deletedPkg = true; 14323 boolean addedPkg = false; 14324 boolean updatedSettings = false; 14325 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14326 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14327 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14328 14329 final long origUpdateTime = (pkg.mExtras != null) 14330 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14331 14332 // First delete the existing package while retaining the data directory 14333 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14334 res.removedInfo, true, pkg)) { 14335 // If the existing package wasn't successfully deleted 14336 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14337 deletedPkg = false; 14338 } else { 14339 // Successfully deleted the old package; proceed with replace. 14340 14341 // If deleted package lived in a container, give users a chance to 14342 // relinquish resources before killing. 14343 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14344 if (DEBUG_INSTALL) { 14345 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14346 } 14347 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14348 final ArrayList<String> pkgList = new ArrayList<String>(1); 14349 pkgList.add(deletedPackage.applicationInfo.packageName); 14350 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14351 } 14352 14353 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14354 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14355 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14356 14357 try { 14358 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14359 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14360 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14361 14362 // Update the in-memory copy of the previous code paths. 14363 PackageSetting ps = mSettings.mPackages.get(pkgName); 14364 if (!killApp) { 14365 if (ps.oldCodePaths == null) { 14366 ps.oldCodePaths = new ArraySet<>(); 14367 } 14368 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14369 if (deletedPackage.splitCodePaths != null) { 14370 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14371 } 14372 } else { 14373 ps.oldCodePaths = null; 14374 } 14375 if (ps.childPackageNames != null) { 14376 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14377 final String childPkgName = ps.childPackageNames.get(i); 14378 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14379 childPs.oldCodePaths = ps.oldCodePaths; 14380 } 14381 } 14382 prepareAppDataAfterInstallLIF(newPackage); 14383 addedPkg = true; 14384 } catch (PackageManagerException e) { 14385 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14386 } 14387 } 14388 14389 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14390 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14391 14392 // Revert all internal state mutations and added folders for the failed install 14393 if (addedPkg) { 14394 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14395 res.removedInfo, true, null); 14396 } 14397 14398 // Restore the old package 14399 if (deletedPkg) { 14400 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14401 File restoreFile = new File(deletedPackage.codePath); 14402 // Parse old package 14403 boolean oldExternal = isExternal(deletedPackage); 14404 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14405 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14406 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14407 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14408 try { 14409 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14410 null); 14411 } catch (PackageManagerException e) { 14412 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14413 + e.getMessage()); 14414 return; 14415 } 14416 14417 synchronized (mPackages) { 14418 // Ensure the installer package name up to date 14419 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14420 14421 // Update permissions for restored package 14422 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14423 14424 mSettings.writeLPr(); 14425 } 14426 14427 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14428 } 14429 } else { 14430 synchronized (mPackages) { 14431 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14432 if (ps != null) { 14433 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14434 if (res.removedInfo.removedChildPackages != null) { 14435 final int childCount = res.removedInfo.removedChildPackages.size(); 14436 // Iterate in reverse as we may modify the collection 14437 for (int i = childCount - 1; i >= 0; i--) { 14438 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14439 if (res.addedChildPackages.containsKey(childPackageName)) { 14440 res.removedInfo.removedChildPackages.removeAt(i); 14441 } else { 14442 PackageRemovedInfo childInfo = res.removedInfo 14443 .removedChildPackages.valueAt(i); 14444 childInfo.removedForAllUsers = mPackages.get( 14445 childInfo.removedPackage) == null; 14446 } 14447 } 14448 } 14449 } 14450 } 14451 } 14452 } 14453 14454 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14455 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14456 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14457 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14458 + ", old=" + deletedPackage); 14459 14460 final boolean disabledSystem; 14461 14462 // Remove existing system package 14463 removePackageLI(deletedPackage, true); 14464 14465 synchronized (mPackages) { 14466 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14467 } 14468 if (!disabledSystem) { 14469 // We didn't need to disable the .apk as a current system package, 14470 // which means we are replacing another update that is already 14471 // installed. We need to make sure to delete the older one's .apk. 14472 res.removedInfo.args = createInstallArgsForExisting(0, 14473 deletedPackage.applicationInfo.getCodePath(), 14474 deletedPackage.applicationInfo.getResourcePath(), 14475 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14476 } else { 14477 res.removedInfo.args = null; 14478 } 14479 14480 // Successfully disabled the old package. Now proceed with re-installation 14481 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14482 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14483 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14484 14485 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14486 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14487 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14488 14489 PackageParser.Package newPackage = null; 14490 try { 14491 // Add the package to the internal data structures 14492 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14493 14494 // Set the update and install times 14495 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14496 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14497 System.currentTimeMillis()); 14498 14499 // Update the package dynamic state if succeeded 14500 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14501 // Now that the install succeeded make sure we remove data 14502 // directories for any child package the update removed. 14503 final int deletedChildCount = (deletedPackage.childPackages != null) 14504 ? deletedPackage.childPackages.size() : 0; 14505 final int newChildCount = (newPackage.childPackages != null) 14506 ? newPackage.childPackages.size() : 0; 14507 for (int i = 0; i < deletedChildCount; i++) { 14508 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14509 boolean childPackageDeleted = true; 14510 for (int j = 0; j < newChildCount; j++) { 14511 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14512 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14513 childPackageDeleted = false; 14514 break; 14515 } 14516 } 14517 if (childPackageDeleted) { 14518 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14519 deletedChildPkg.packageName); 14520 if (ps != null && res.removedInfo.removedChildPackages != null) { 14521 PackageRemovedInfo removedChildRes = res.removedInfo 14522 .removedChildPackages.get(deletedChildPkg.packageName); 14523 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14524 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14525 } 14526 } 14527 } 14528 14529 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14530 prepareAppDataAfterInstallLIF(newPackage); 14531 } 14532 } catch (PackageManagerException e) { 14533 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14534 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14535 } 14536 14537 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14538 // Re installation failed. Restore old information 14539 // Remove new pkg information 14540 if (newPackage != null) { 14541 removeInstalledPackageLI(newPackage, true); 14542 } 14543 // Add back the old system package 14544 try { 14545 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14546 } catch (PackageManagerException e) { 14547 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14548 } 14549 14550 synchronized (mPackages) { 14551 if (disabledSystem) { 14552 enableSystemPackageLPw(deletedPackage); 14553 } 14554 14555 // Ensure the installer package name up to date 14556 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14557 14558 // Update permissions for restored package 14559 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14560 14561 mSettings.writeLPr(); 14562 } 14563 14564 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14565 + " after failed upgrade"); 14566 } 14567 } 14568 14569 /** 14570 * Checks whether the parent or any of the child packages have a change shared 14571 * user. For a package to be a valid update the shred users of the parent and 14572 * the children should match. We may later support changing child shared users. 14573 * @param oldPkg The updated package. 14574 * @param newPkg The update package. 14575 * @return The shared user that change between the versions. 14576 */ 14577 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14578 PackageParser.Package newPkg) { 14579 // Check parent shared user 14580 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14581 return newPkg.packageName; 14582 } 14583 // Check child shared users 14584 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14585 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14586 for (int i = 0; i < newChildCount; i++) { 14587 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14588 // If this child was present, did it have the same shared user? 14589 for (int j = 0; j < oldChildCount; j++) { 14590 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14591 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14592 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14593 return newChildPkg.packageName; 14594 } 14595 } 14596 } 14597 return null; 14598 } 14599 14600 private void removeNativeBinariesLI(PackageSetting ps) { 14601 // Remove the lib path for the parent package 14602 if (ps != null) { 14603 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14604 // Remove the lib path for the child packages 14605 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14606 for (int i = 0; i < childCount; i++) { 14607 PackageSetting childPs = null; 14608 synchronized (mPackages) { 14609 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14610 } 14611 if (childPs != null) { 14612 NativeLibraryHelper.removeNativeBinariesLI(childPs 14613 .legacyNativeLibraryPathString); 14614 } 14615 } 14616 } 14617 } 14618 14619 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14620 // Enable the parent package 14621 mSettings.enableSystemPackageLPw(pkg.packageName); 14622 // Enable the child packages 14623 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14624 for (int i = 0; i < childCount; i++) { 14625 PackageParser.Package childPkg = pkg.childPackages.get(i); 14626 mSettings.enableSystemPackageLPw(childPkg.packageName); 14627 } 14628 } 14629 14630 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14631 PackageParser.Package newPkg) { 14632 // Disable the parent package (parent always replaced) 14633 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14634 // Disable the child packages 14635 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14636 for (int i = 0; i < childCount; i++) { 14637 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14638 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14639 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14640 } 14641 return disabled; 14642 } 14643 14644 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14645 String installerPackageName) { 14646 // Enable the parent package 14647 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14648 // Enable the child packages 14649 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14650 for (int i = 0; i < childCount; i++) { 14651 PackageParser.Package childPkg = pkg.childPackages.get(i); 14652 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14653 } 14654 } 14655 14656 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14657 // Collect all used permissions in the UID 14658 ArraySet<String> usedPermissions = new ArraySet<>(); 14659 final int packageCount = su.packages.size(); 14660 for (int i = 0; i < packageCount; i++) { 14661 PackageSetting ps = su.packages.valueAt(i); 14662 if (ps.pkg == null) { 14663 continue; 14664 } 14665 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14666 for (int j = 0; j < requestedPermCount; j++) { 14667 String permission = ps.pkg.requestedPermissions.get(j); 14668 BasePermission bp = mSettings.mPermissions.get(permission); 14669 if (bp != null) { 14670 usedPermissions.add(permission); 14671 } 14672 } 14673 } 14674 14675 PermissionsState permissionsState = su.getPermissionsState(); 14676 // Prune install permissions 14677 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14678 final int installPermCount = installPermStates.size(); 14679 for (int i = installPermCount - 1; i >= 0; i--) { 14680 PermissionState permissionState = installPermStates.get(i); 14681 if (!usedPermissions.contains(permissionState.getName())) { 14682 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14683 if (bp != null) { 14684 permissionsState.revokeInstallPermission(bp); 14685 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14686 PackageManager.MASK_PERMISSION_FLAGS, 0); 14687 } 14688 } 14689 } 14690 14691 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14692 14693 // Prune runtime permissions 14694 for (int userId : allUserIds) { 14695 List<PermissionState> runtimePermStates = permissionsState 14696 .getRuntimePermissionStates(userId); 14697 final int runtimePermCount = runtimePermStates.size(); 14698 for (int i = runtimePermCount - 1; i >= 0; i--) { 14699 PermissionState permissionState = runtimePermStates.get(i); 14700 if (!usedPermissions.contains(permissionState.getName())) { 14701 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14702 if (bp != null) { 14703 permissionsState.revokeRuntimePermission(bp, userId); 14704 permissionsState.updatePermissionFlags(bp, userId, 14705 PackageManager.MASK_PERMISSION_FLAGS, 0); 14706 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14707 runtimePermissionChangedUserIds, userId); 14708 } 14709 } 14710 } 14711 } 14712 14713 return runtimePermissionChangedUserIds; 14714 } 14715 14716 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14717 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14718 // Update the parent package setting 14719 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14720 res, user); 14721 // Update the child packages setting 14722 final int childCount = (newPackage.childPackages != null) 14723 ? newPackage.childPackages.size() : 0; 14724 for (int i = 0; i < childCount; i++) { 14725 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14726 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14727 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14728 childRes.origUsers, childRes, user); 14729 } 14730 } 14731 14732 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14733 String installerPackageName, int[] allUsers, int[] installedForUsers, 14734 PackageInstalledInfo res, UserHandle user) { 14735 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14736 14737 String pkgName = newPackage.packageName; 14738 synchronized (mPackages) { 14739 //write settings. the installStatus will be incomplete at this stage. 14740 //note that the new package setting would have already been 14741 //added to mPackages. It hasn't been persisted yet. 14742 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14743 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14744 mSettings.writeLPr(); 14745 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14746 } 14747 14748 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14749 synchronized (mPackages) { 14750 updatePermissionsLPw(newPackage.packageName, newPackage, 14751 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14752 ? UPDATE_PERMISSIONS_ALL : 0)); 14753 // For system-bundled packages, we assume that installing an upgraded version 14754 // of the package implies that the user actually wants to run that new code, 14755 // so we enable the package. 14756 PackageSetting ps = mSettings.mPackages.get(pkgName); 14757 final int userId = user.getIdentifier(); 14758 if (ps != null) { 14759 if (isSystemApp(newPackage)) { 14760 if (DEBUG_INSTALL) { 14761 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14762 } 14763 // Enable system package for requested users 14764 if (res.origUsers != null) { 14765 for (int origUserId : res.origUsers) { 14766 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14767 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14768 origUserId, installerPackageName); 14769 } 14770 } 14771 } 14772 // Also convey the prior install/uninstall state 14773 if (allUsers != null && installedForUsers != null) { 14774 for (int currentUserId : allUsers) { 14775 final boolean installed = ArrayUtils.contains( 14776 installedForUsers, currentUserId); 14777 if (DEBUG_INSTALL) { 14778 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14779 } 14780 ps.setInstalled(installed, currentUserId); 14781 } 14782 // these install state changes will be persisted in the 14783 // upcoming call to mSettings.writeLPr(). 14784 } 14785 } 14786 // It's implied that when a user requests installation, they want the app to be 14787 // installed and enabled. 14788 if (userId != UserHandle.USER_ALL) { 14789 ps.setInstalled(true, userId); 14790 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14791 } 14792 } 14793 res.name = pkgName; 14794 res.uid = newPackage.applicationInfo.uid; 14795 res.pkg = newPackage; 14796 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14797 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14798 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14799 //to update install status 14800 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14801 mSettings.writeLPr(); 14802 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14803 } 14804 14805 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14806 } 14807 14808 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14809 try { 14810 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14811 installPackageLI(args, res); 14812 } finally { 14813 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14814 } 14815 } 14816 14817 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14818 final int installFlags = args.installFlags; 14819 final String installerPackageName = args.installerPackageName; 14820 final String volumeUuid = args.volumeUuid; 14821 final File tmpPackageFile = new File(args.getCodePath()); 14822 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14823 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14824 || (args.volumeUuid != null)); 14825 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14826 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14827 boolean replace = false; 14828 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14829 if (args.move != null) { 14830 // moving a complete application; perform an initial scan on the new install location 14831 scanFlags |= SCAN_INITIAL; 14832 } 14833 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14834 scanFlags |= SCAN_DONT_KILL_APP; 14835 } 14836 14837 // Result object to be returned 14838 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14839 14840 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14841 14842 // Sanity check 14843 if (ephemeral && (forwardLocked || onExternal)) { 14844 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14845 + " external=" + onExternal); 14846 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14847 return; 14848 } 14849 14850 // Retrieve PackageSettings and parse package 14851 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14852 | PackageParser.PARSE_ENFORCE_CODE 14853 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14854 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14855 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14856 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14857 PackageParser pp = new PackageParser(); 14858 pp.setSeparateProcesses(mSeparateProcesses); 14859 pp.setDisplayMetrics(mMetrics); 14860 14861 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14862 final PackageParser.Package pkg; 14863 try { 14864 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14865 } catch (PackageParserException e) { 14866 res.setError("Failed parse during installPackageLI", e); 14867 return; 14868 } finally { 14869 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14870 } 14871 14872 // If we are installing a clustered package add results for the children 14873 if (pkg.childPackages != null) { 14874 synchronized (mPackages) { 14875 final int childCount = pkg.childPackages.size(); 14876 for (int i = 0; i < childCount; i++) { 14877 PackageParser.Package childPkg = pkg.childPackages.get(i); 14878 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14879 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14880 childRes.pkg = childPkg; 14881 childRes.name = childPkg.packageName; 14882 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14883 if (childPs != null) { 14884 childRes.origUsers = childPs.queryInstalledUsers( 14885 sUserManager.getUserIds(), true); 14886 } 14887 if ((mPackages.containsKey(childPkg.packageName))) { 14888 childRes.removedInfo = new PackageRemovedInfo(); 14889 childRes.removedInfo.removedPackage = childPkg.packageName; 14890 } 14891 if (res.addedChildPackages == null) { 14892 res.addedChildPackages = new ArrayMap<>(); 14893 } 14894 res.addedChildPackages.put(childPkg.packageName, childRes); 14895 } 14896 } 14897 } 14898 14899 // If package doesn't declare API override, mark that we have an install 14900 // time CPU ABI override. 14901 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14902 pkg.cpuAbiOverride = args.abiOverride; 14903 } 14904 14905 String pkgName = res.name = pkg.packageName; 14906 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14907 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14908 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14909 return; 14910 } 14911 } 14912 14913 try { 14914 // either use what we've been given or parse directly from the APK 14915 if (args.certificates != null) { 14916 try { 14917 PackageParser.populateCertificates(pkg, args.certificates); 14918 } catch (PackageParserException e) { 14919 // there was something wrong with the certificates we were given; 14920 // try to pull them from the APK 14921 PackageParser.collectCertificates(pkg, parseFlags); 14922 } 14923 } else { 14924 PackageParser.collectCertificates(pkg, parseFlags); 14925 } 14926 } catch (PackageParserException e) { 14927 res.setError("Failed collect during installPackageLI", e); 14928 return; 14929 } 14930 14931 // Get rid of all references to package scan path via parser. 14932 pp = null; 14933 String oldCodePath = null; 14934 boolean systemApp = false; 14935 synchronized (mPackages) { 14936 // Check if installing already existing package 14937 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14938 String oldName = mSettings.mRenamedPackages.get(pkgName); 14939 if (pkg.mOriginalPackages != null 14940 && pkg.mOriginalPackages.contains(oldName) 14941 && mPackages.containsKey(oldName)) { 14942 // This package is derived from an original package, 14943 // and this device has been updating from that original 14944 // name. We must continue using the original name, so 14945 // rename the new package here. 14946 pkg.setPackageName(oldName); 14947 pkgName = pkg.packageName; 14948 replace = true; 14949 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14950 + oldName + " pkgName=" + pkgName); 14951 } else if (mPackages.containsKey(pkgName)) { 14952 // This package, under its official name, already exists 14953 // on the device; we should replace it. 14954 replace = true; 14955 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14956 } 14957 14958 // Child packages are installed through the parent package 14959 if (pkg.parentPackage != null) { 14960 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14961 "Package " + pkg.packageName + " is child of package " 14962 + pkg.parentPackage.parentPackage + ". Child packages " 14963 + "can be updated only through the parent package."); 14964 return; 14965 } 14966 14967 if (replace) { 14968 // Prevent apps opting out from runtime permissions 14969 PackageParser.Package oldPackage = mPackages.get(pkgName); 14970 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14971 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14972 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14973 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14974 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14975 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14976 + " doesn't support runtime permissions but the old" 14977 + " target SDK " + oldTargetSdk + " does."); 14978 return; 14979 } 14980 14981 // Prevent installing of child packages 14982 if (oldPackage.parentPackage != null) { 14983 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14984 "Package " + pkg.packageName + " is child of package " 14985 + oldPackage.parentPackage + ". Child packages " 14986 + "can be updated only through the parent package."); 14987 return; 14988 } 14989 } 14990 } 14991 14992 PackageSetting ps = mSettings.mPackages.get(pkgName); 14993 if (ps != null) { 14994 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14995 14996 // Quick sanity check that we're signed correctly if updating; 14997 // we'll check this again later when scanning, but we want to 14998 // bail early here before tripping over redefined permissions. 14999 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15000 if (!checkUpgradeKeySetLP(ps, pkg)) { 15001 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15002 + pkg.packageName + " upgrade keys do not match the " 15003 + "previously installed version"); 15004 return; 15005 } 15006 } else { 15007 try { 15008 verifySignaturesLP(ps, pkg); 15009 } catch (PackageManagerException e) { 15010 res.setError(e.error, e.getMessage()); 15011 return; 15012 } 15013 } 15014 15015 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15016 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15017 systemApp = (ps.pkg.applicationInfo.flags & 15018 ApplicationInfo.FLAG_SYSTEM) != 0; 15019 } 15020 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15021 } 15022 15023 // Check whether the newly-scanned package wants to define an already-defined perm 15024 int N = pkg.permissions.size(); 15025 for (int i = N-1; i >= 0; i--) { 15026 PackageParser.Permission perm = pkg.permissions.get(i); 15027 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15028 if (bp != null) { 15029 // If the defining package is signed with our cert, it's okay. This 15030 // also includes the "updating the same package" case, of course. 15031 // "updating same package" could also involve key-rotation. 15032 final boolean sigsOk; 15033 if (bp.sourcePackage.equals(pkg.packageName) 15034 && (bp.packageSetting instanceof PackageSetting) 15035 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15036 scanFlags))) { 15037 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15038 } else { 15039 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15040 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15041 } 15042 if (!sigsOk) { 15043 // If the owning package is the system itself, we log but allow 15044 // install to proceed; we fail the install on all other permission 15045 // redefinitions. 15046 if (!bp.sourcePackage.equals("android")) { 15047 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15048 + pkg.packageName + " attempting to redeclare permission " 15049 + perm.info.name + " already owned by " + bp.sourcePackage); 15050 res.origPermission = perm.info.name; 15051 res.origPackage = bp.sourcePackage; 15052 return; 15053 } else { 15054 Slog.w(TAG, "Package " + pkg.packageName 15055 + " attempting to redeclare system permission " 15056 + perm.info.name + "; ignoring new declaration"); 15057 pkg.permissions.remove(i); 15058 } 15059 } 15060 } 15061 } 15062 } 15063 15064 if (systemApp) { 15065 if (onExternal) { 15066 // Abort update; system app can't be replaced with app on sdcard 15067 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15068 "Cannot install updates to system apps on sdcard"); 15069 return; 15070 } else if (ephemeral) { 15071 // Abort update; system app can't be replaced with an ephemeral app 15072 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15073 "Cannot update a system app with an ephemeral app"); 15074 return; 15075 } 15076 } 15077 15078 if (args.move != null) { 15079 // We did an in-place move, so dex is ready to roll 15080 scanFlags |= SCAN_NO_DEX; 15081 scanFlags |= SCAN_MOVE; 15082 15083 synchronized (mPackages) { 15084 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15085 if (ps == null) { 15086 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15087 "Missing settings for moved package " + pkgName); 15088 } 15089 15090 // We moved the entire application as-is, so bring over the 15091 // previously derived ABI information. 15092 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15093 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15094 } 15095 15096 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15097 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15098 scanFlags |= SCAN_NO_DEX; 15099 15100 try { 15101 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15102 args.abiOverride : pkg.cpuAbiOverride); 15103 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15104 true /* extract libs */); 15105 } catch (PackageManagerException pme) { 15106 Slog.e(TAG, "Error deriving application ABI", pme); 15107 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15108 return; 15109 } 15110 15111 // Shared libraries for the package need to be updated. 15112 synchronized (mPackages) { 15113 try { 15114 updateSharedLibrariesLPw(pkg, null); 15115 } catch (PackageManagerException e) { 15116 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15117 } 15118 } 15119 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15120 // Do not run PackageDexOptimizer through the local performDexOpt 15121 // method because `pkg` may not be in `mPackages` yet. 15122 // 15123 // Also, don't fail application installs if the dexopt step fails. 15124 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15125 null /* instructionSets */, false /* checkProfiles */, 15126 getCompilerFilterForReason(REASON_INSTALL), 15127 getOrCreateCompilerPackageStats(pkg)); 15128 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15129 15130 // Notify BackgroundDexOptService that the package has been changed. 15131 // If this is an update of a package which used to fail to compile, 15132 // BDOS will remove it from its blacklist. 15133 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15134 } 15135 15136 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15137 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15138 return; 15139 } 15140 15141 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15142 15143 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15144 "installPackageLI")) { 15145 if (replace) { 15146 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15147 installerPackageName, res); 15148 } else { 15149 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15150 args.user, installerPackageName, volumeUuid, res); 15151 } 15152 } 15153 synchronized (mPackages) { 15154 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15155 if (ps != null) { 15156 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15157 } 15158 15159 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15160 for (int i = 0; i < childCount; i++) { 15161 PackageParser.Package childPkg = pkg.childPackages.get(i); 15162 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15163 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15164 if (childPs != null) { 15165 childRes.newUsers = childPs.queryInstalledUsers( 15166 sUserManager.getUserIds(), true); 15167 } 15168 } 15169 } 15170 } 15171 15172 private void startIntentFilterVerifications(int userId, boolean replacing, 15173 PackageParser.Package pkg) { 15174 if (mIntentFilterVerifierComponent == null) { 15175 Slog.w(TAG, "No IntentFilter verification will not be done as " 15176 + "there is no IntentFilterVerifier available!"); 15177 return; 15178 } 15179 15180 final int verifierUid = getPackageUid( 15181 mIntentFilterVerifierComponent.getPackageName(), 15182 MATCH_DEBUG_TRIAGED_MISSING, 15183 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15184 15185 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15186 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15187 mHandler.sendMessage(msg); 15188 15189 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15190 for (int i = 0; i < childCount; i++) { 15191 PackageParser.Package childPkg = pkg.childPackages.get(i); 15192 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15193 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15194 mHandler.sendMessage(msg); 15195 } 15196 } 15197 15198 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15199 PackageParser.Package pkg) { 15200 int size = pkg.activities.size(); 15201 if (size == 0) { 15202 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15203 "No activity, so no need to verify any IntentFilter!"); 15204 return; 15205 } 15206 15207 final boolean hasDomainURLs = hasDomainURLs(pkg); 15208 if (!hasDomainURLs) { 15209 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15210 "No domain URLs, so no need to verify any IntentFilter!"); 15211 return; 15212 } 15213 15214 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15215 + " if any IntentFilter from the " + size 15216 + " Activities needs verification ..."); 15217 15218 int count = 0; 15219 final String packageName = pkg.packageName; 15220 15221 synchronized (mPackages) { 15222 // If this is a new install and we see that we've already run verification for this 15223 // package, we have nothing to do: it means the state was restored from backup. 15224 if (!replacing) { 15225 IntentFilterVerificationInfo ivi = 15226 mSettings.getIntentFilterVerificationLPr(packageName); 15227 if (ivi != null) { 15228 if (DEBUG_DOMAIN_VERIFICATION) { 15229 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15230 + ivi.getStatusString()); 15231 } 15232 return; 15233 } 15234 } 15235 15236 // If any filters need to be verified, then all need to be. 15237 boolean needToVerify = false; 15238 for (PackageParser.Activity a : pkg.activities) { 15239 for (ActivityIntentInfo filter : a.intents) { 15240 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15241 if (DEBUG_DOMAIN_VERIFICATION) { 15242 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15243 } 15244 needToVerify = true; 15245 break; 15246 } 15247 } 15248 } 15249 15250 if (needToVerify) { 15251 final int verificationId = mIntentFilterVerificationToken++; 15252 for (PackageParser.Activity a : pkg.activities) { 15253 for (ActivityIntentInfo filter : a.intents) { 15254 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15255 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15256 "Verification needed for IntentFilter:" + filter.toString()); 15257 mIntentFilterVerifier.addOneIntentFilterVerification( 15258 verifierUid, userId, verificationId, filter, packageName); 15259 count++; 15260 } 15261 } 15262 } 15263 } 15264 } 15265 15266 if (count > 0) { 15267 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15268 + " IntentFilter verification" + (count > 1 ? "s" : "") 15269 + " for userId:" + userId); 15270 mIntentFilterVerifier.startVerifications(userId); 15271 } else { 15272 if (DEBUG_DOMAIN_VERIFICATION) { 15273 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15274 } 15275 } 15276 } 15277 15278 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15279 final ComponentName cn = filter.activity.getComponentName(); 15280 final String packageName = cn.getPackageName(); 15281 15282 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15283 packageName); 15284 if (ivi == null) { 15285 return true; 15286 } 15287 int status = ivi.getStatus(); 15288 switch (status) { 15289 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15290 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15291 return true; 15292 15293 default: 15294 // Nothing to do 15295 return false; 15296 } 15297 } 15298 15299 private static boolean isMultiArch(ApplicationInfo info) { 15300 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15301 } 15302 15303 private static boolean isExternal(PackageParser.Package pkg) { 15304 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15305 } 15306 15307 private static boolean isExternal(PackageSetting ps) { 15308 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15309 } 15310 15311 private static boolean isEphemeral(PackageParser.Package pkg) { 15312 return pkg.applicationInfo.isEphemeralApp(); 15313 } 15314 15315 private static boolean isEphemeral(PackageSetting ps) { 15316 return ps.pkg != null && isEphemeral(ps.pkg); 15317 } 15318 15319 private static boolean isSystemApp(PackageParser.Package pkg) { 15320 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15321 } 15322 15323 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15324 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15325 } 15326 15327 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15328 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15329 } 15330 15331 private static boolean isSystemApp(PackageSetting ps) { 15332 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15333 } 15334 15335 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15336 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15337 } 15338 15339 private int packageFlagsToInstallFlags(PackageSetting ps) { 15340 int installFlags = 0; 15341 if (isEphemeral(ps)) { 15342 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15343 } 15344 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15345 // This existing package was an external ASEC install when we have 15346 // the external flag without a UUID 15347 installFlags |= PackageManager.INSTALL_EXTERNAL; 15348 } 15349 if (ps.isForwardLocked()) { 15350 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15351 } 15352 return installFlags; 15353 } 15354 15355 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15356 if (isExternal(pkg)) { 15357 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15358 return StorageManager.UUID_PRIMARY_PHYSICAL; 15359 } else { 15360 return pkg.volumeUuid; 15361 } 15362 } else { 15363 return StorageManager.UUID_PRIVATE_INTERNAL; 15364 } 15365 } 15366 15367 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15368 if (isExternal(pkg)) { 15369 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15370 return mSettings.getExternalVersion(); 15371 } else { 15372 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15373 } 15374 } else { 15375 return mSettings.getInternalVersion(); 15376 } 15377 } 15378 15379 private void deleteTempPackageFiles() { 15380 final FilenameFilter filter = new FilenameFilter() { 15381 public boolean accept(File dir, String name) { 15382 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15383 } 15384 }; 15385 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15386 file.delete(); 15387 } 15388 } 15389 15390 @Override 15391 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15392 int flags) { 15393 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15394 flags); 15395 } 15396 15397 @Override 15398 public void deletePackage(final String packageName, 15399 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15400 mContext.enforceCallingOrSelfPermission( 15401 android.Manifest.permission.DELETE_PACKAGES, null); 15402 Preconditions.checkNotNull(packageName); 15403 Preconditions.checkNotNull(observer); 15404 final int uid = Binder.getCallingUid(); 15405 if (!isOrphaned(packageName) 15406 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15407 try { 15408 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15409 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15410 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15411 observer.onUserActionRequired(intent); 15412 } catch (RemoteException re) { 15413 } 15414 return; 15415 } 15416 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15417 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15418 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15419 mContext.enforceCallingOrSelfPermission( 15420 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15421 "deletePackage for user " + userId); 15422 } 15423 15424 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15425 try { 15426 observer.onPackageDeleted(packageName, 15427 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15428 } catch (RemoteException re) { 15429 } 15430 return; 15431 } 15432 15433 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15434 try { 15435 observer.onPackageDeleted(packageName, 15436 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15437 } catch (RemoteException re) { 15438 } 15439 return; 15440 } 15441 15442 if (DEBUG_REMOVE) { 15443 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15444 + " deleteAllUsers: " + deleteAllUsers ); 15445 } 15446 // Queue up an async operation since the package deletion may take a little while. 15447 mHandler.post(new Runnable() { 15448 public void run() { 15449 mHandler.removeCallbacks(this); 15450 int returnCode; 15451 if (!deleteAllUsers) { 15452 returnCode = deletePackageX(packageName, userId, deleteFlags); 15453 } else { 15454 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15455 // If nobody is blocking uninstall, proceed with delete for all users 15456 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15457 returnCode = deletePackageX(packageName, userId, deleteFlags); 15458 } else { 15459 // Otherwise uninstall individually for users with blockUninstalls=false 15460 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15461 for (int userId : users) { 15462 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15463 returnCode = deletePackageX(packageName, userId, userFlags); 15464 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15465 Slog.w(TAG, "Package delete failed for user " + userId 15466 + ", returnCode " + returnCode); 15467 } 15468 } 15469 } 15470 // The app has only been marked uninstalled for certain users. 15471 // We still need to report that delete was blocked 15472 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15473 } 15474 } 15475 try { 15476 observer.onPackageDeleted(packageName, returnCode, null); 15477 } catch (RemoteException e) { 15478 Log.i(TAG, "Observer no longer exists."); 15479 } //end catch 15480 } //end run 15481 }); 15482 } 15483 15484 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15485 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15486 || callingUid == Process.SYSTEM_UID) { 15487 return true; 15488 } 15489 final int callingUserId = UserHandle.getUserId(callingUid); 15490 // If the caller installed the pkgName, then allow it to silently uninstall. 15491 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15492 return true; 15493 } 15494 15495 // Allow package verifier to silently uninstall. 15496 if (mRequiredVerifierPackage != null && 15497 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15498 return true; 15499 } 15500 15501 // Allow package uninstaller to silently uninstall. 15502 if (mRequiredUninstallerPackage != null && 15503 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15504 return true; 15505 } 15506 return false; 15507 } 15508 15509 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15510 int[] result = EMPTY_INT_ARRAY; 15511 for (int userId : userIds) { 15512 if (getBlockUninstallForUser(packageName, userId)) { 15513 result = ArrayUtils.appendInt(result, userId); 15514 } 15515 } 15516 return result; 15517 } 15518 15519 @Override 15520 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15521 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15522 } 15523 15524 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15525 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15526 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15527 try { 15528 if (dpm != null) { 15529 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15530 /* callingUserOnly =*/ false); 15531 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15532 : deviceOwnerComponentName.getPackageName(); 15533 // Does the package contains the device owner? 15534 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15535 // this check is probably not needed, since DO should be registered as a device 15536 // admin on some user too. (Original bug for this: b/17657954) 15537 if (packageName.equals(deviceOwnerPackageName)) { 15538 return true; 15539 } 15540 // Does it contain a device admin for any user? 15541 int[] users; 15542 if (userId == UserHandle.USER_ALL) { 15543 users = sUserManager.getUserIds(); 15544 } else { 15545 users = new int[]{userId}; 15546 } 15547 for (int i = 0; i < users.length; ++i) { 15548 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15549 return true; 15550 } 15551 } 15552 } 15553 } catch (RemoteException e) { 15554 } 15555 return false; 15556 } 15557 15558 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15559 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15560 } 15561 15562 /** 15563 * This method is an internal method that could be get invoked either 15564 * to delete an installed package or to clean up a failed installation. 15565 * After deleting an installed package, a broadcast is sent to notify any 15566 * listeners that the package has been removed. For cleaning up a failed 15567 * installation, the broadcast is not necessary since the package's 15568 * installation wouldn't have sent the initial broadcast either 15569 * The key steps in deleting a package are 15570 * deleting the package information in internal structures like mPackages, 15571 * deleting the packages base directories through installd 15572 * updating mSettings to reflect current status 15573 * persisting settings for later use 15574 * sending a broadcast if necessary 15575 */ 15576 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15577 final PackageRemovedInfo info = new PackageRemovedInfo(); 15578 final boolean res; 15579 15580 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15581 ? UserHandle.USER_ALL : userId; 15582 15583 if (isPackageDeviceAdmin(packageName, removeUser)) { 15584 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15585 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15586 } 15587 15588 PackageSetting uninstalledPs = null; 15589 15590 // for the uninstall-updates case and restricted profiles, remember the per- 15591 // user handle installed state 15592 int[] allUsers; 15593 synchronized (mPackages) { 15594 uninstalledPs = mSettings.mPackages.get(packageName); 15595 if (uninstalledPs == null) { 15596 Slog.w(TAG, "Not removing non-existent package " + packageName); 15597 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15598 } 15599 allUsers = sUserManager.getUserIds(); 15600 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15601 } 15602 15603 final int freezeUser; 15604 if (isUpdatedSystemApp(uninstalledPs) 15605 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15606 // We're downgrading a system app, which will apply to all users, so 15607 // freeze them all during the downgrade 15608 freezeUser = UserHandle.USER_ALL; 15609 } else { 15610 freezeUser = removeUser; 15611 } 15612 15613 synchronized (mInstallLock) { 15614 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15615 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15616 deleteFlags, "deletePackageX")) { 15617 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15618 deleteFlags | REMOVE_CHATTY, info, true, null); 15619 } 15620 synchronized (mPackages) { 15621 if (res) { 15622 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15623 } 15624 } 15625 } 15626 15627 if (res) { 15628 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15629 info.sendPackageRemovedBroadcasts(killApp); 15630 info.sendSystemPackageUpdatedBroadcasts(); 15631 info.sendSystemPackageAppearedBroadcasts(); 15632 } 15633 // Force a gc here. 15634 Runtime.getRuntime().gc(); 15635 // Delete the resources here after sending the broadcast to let 15636 // other processes clean up before deleting resources. 15637 if (info.args != null) { 15638 synchronized (mInstallLock) { 15639 info.args.doPostDeleteLI(true); 15640 } 15641 } 15642 15643 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15644 } 15645 15646 class PackageRemovedInfo { 15647 String removedPackage; 15648 int uid = -1; 15649 int removedAppId = -1; 15650 int[] origUsers; 15651 int[] removedUsers = null; 15652 boolean isRemovedPackageSystemUpdate = false; 15653 boolean isUpdate; 15654 boolean dataRemoved; 15655 boolean removedForAllUsers; 15656 // Clean up resources deleted packages. 15657 InstallArgs args = null; 15658 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15659 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15660 15661 void sendPackageRemovedBroadcasts(boolean killApp) { 15662 sendPackageRemovedBroadcastInternal(killApp); 15663 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15664 for (int i = 0; i < childCount; i++) { 15665 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15666 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15667 } 15668 } 15669 15670 void sendSystemPackageUpdatedBroadcasts() { 15671 if (isRemovedPackageSystemUpdate) { 15672 sendSystemPackageUpdatedBroadcastsInternal(); 15673 final int childCount = (removedChildPackages != null) 15674 ? removedChildPackages.size() : 0; 15675 for (int i = 0; i < childCount; i++) { 15676 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15677 if (childInfo.isRemovedPackageSystemUpdate) { 15678 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15679 } 15680 } 15681 } 15682 } 15683 15684 void sendSystemPackageAppearedBroadcasts() { 15685 final int packageCount = (appearedChildPackages != null) 15686 ? appearedChildPackages.size() : 0; 15687 for (int i = 0; i < packageCount; i++) { 15688 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15689 for (int userId : installedInfo.newUsers) { 15690 sendPackageAddedForUser(installedInfo.name, true, 15691 UserHandle.getAppId(installedInfo.uid), userId); 15692 } 15693 } 15694 } 15695 15696 private void sendSystemPackageUpdatedBroadcastsInternal() { 15697 Bundle extras = new Bundle(2); 15698 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15699 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15700 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15701 extras, 0, null, null, null); 15702 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15703 extras, 0, null, null, null); 15704 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15705 null, 0, removedPackage, null, null); 15706 } 15707 15708 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15709 Bundle extras = new Bundle(2); 15710 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15711 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15712 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15713 if (isUpdate || isRemovedPackageSystemUpdate) { 15714 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15715 } 15716 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15717 if (removedPackage != null) { 15718 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15719 extras, 0, null, null, removedUsers); 15720 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15721 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15722 removedPackage, extras, 0, null, null, removedUsers); 15723 } 15724 } 15725 if (removedAppId >= 0) { 15726 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15727 removedUsers); 15728 } 15729 } 15730 } 15731 15732 /* 15733 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15734 * flag is not set, the data directory is removed as well. 15735 * make sure this flag is set for partially installed apps. If not its meaningless to 15736 * delete a partially installed application. 15737 */ 15738 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15739 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15740 String packageName = ps.name; 15741 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15742 // Retrieve object to delete permissions for shared user later on 15743 final PackageParser.Package deletedPkg; 15744 final PackageSetting deletedPs; 15745 // reader 15746 synchronized (mPackages) { 15747 deletedPkg = mPackages.get(packageName); 15748 deletedPs = mSettings.mPackages.get(packageName); 15749 if (outInfo != null) { 15750 outInfo.removedPackage = packageName; 15751 outInfo.removedUsers = deletedPs != null 15752 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15753 : null; 15754 } 15755 } 15756 15757 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15758 15759 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15760 final PackageParser.Package resolvedPkg; 15761 if (deletedPkg != null) { 15762 resolvedPkg = deletedPkg; 15763 } else { 15764 // We don't have a parsed package when it lives on an ejected 15765 // adopted storage device, so fake something together 15766 resolvedPkg = new PackageParser.Package(ps.name); 15767 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15768 } 15769 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15770 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15771 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15772 if (outInfo != null) { 15773 outInfo.dataRemoved = true; 15774 } 15775 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15776 } 15777 15778 // writer 15779 synchronized (mPackages) { 15780 if (deletedPs != null) { 15781 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15782 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15783 clearDefaultBrowserIfNeeded(packageName); 15784 if (outInfo != null) { 15785 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15786 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15787 } 15788 updatePermissionsLPw(deletedPs.name, null, 0); 15789 if (deletedPs.sharedUser != null) { 15790 // Remove permissions associated with package. Since runtime 15791 // permissions are per user we have to kill the removed package 15792 // or packages running under the shared user of the removed 15793 // package if revoking the permissions requested only by the removed 15794 // package is successful and this causes a change in gids. 15795 for (int userId : UserManagerService.getInstance().getUserIds()) { 15796 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15797 userId); 15798 if (userIdToKill == UserHandle.USER_ALL 15799 || userIdToKill >= UserHandle.USER_SYSTEM) { 15800 // If gids changed for this user, kill all affected packages. 15801 mHandler.post(new Runnable() { 15802 @Override 15803 public void run() { 15804 // This has to happen with no lock held. 15805 killApplication(deletedPs.name, deletedPs.appId, 15806 KILL_APP_REASON_GIDS_CHANGED); 15807 } 15808 }); 15809 break; 15810 } 15811 } 15812 } 15813 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15814 } 15815 // make sure to preserve per-user disabled state if this removal was just 15816 // a downgrade of a system app to the factory package 15817 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15818 if (DEBUG_REMOVE) { 15819 Slog.d(TAG, "Propagating install state across downgrade"); 15820 } 15821 for (int userId : allUserHandles) { 15822 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15823 if (DEBUG_REMOVE) { 15824 Slog.d(TAG, " user " + userId + " => " + installed); 15825 } 15826 ps.setInstalled(installed, userId); 15827 } 15828 } 15829 } 15830 // can downgrade to reader 15831 if (writeSettings) { 15832 // Save settings now 15833 mSettings.writeLPr(); 15834 } 15835 } 15836 if (outInfo != null) { 15837 // A user ID was deleted here. Go through all users and remove it 15838 // from KeyStore. 15839 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15840 } 15841 } 15842 15843 static boolean locationIsPrivileged(File path) { 15844 try { 15845 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15846 .getCanonicalPath(); 15847 return path.getCanonicalPath().startsWith(privilegedAppDir); 15848 } catch (IOException e) { 15849 Slog.e(TAG, "Unable to access code path " + path); 15850 } 15851 return false; 15852 } 15853 15854 /* 15855 * Tries to delete system package. 15856 */ 15857 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15858 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15859 boolean writeSettings) { 15860 if (deletedPs.parentPackageName != null) { 15861 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15862 return false; 15863 } 15864 15865 final boolean applyUserRestrictions 15866 = (allUserHandles != null) && (outInfo.origUsers != null); 15867 final PackageSetting disabledPs; 15868 // Confirm if the system package has been updated 15869 // An updated system app can be deleted. This will also have to restore 15870 // the system pkg from system partition 15871 // reader 15872 synchronized (mPackages) { 15873 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15874 } 15875 15876 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15877 + " disabledPs=" + disabledPs); 15878 15879 if (disabledPs == null) { 15880 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15881 return false; 15882 } else if (DEBUG_REMOVE) { 15883 Slog.d(TAG, "Deleting system pkg from data partition"); 15884 } 15885 15886 if (DEBUG_REMOVE) { 15887 if (applyUserRestrictions) { 15888 Slog.d(TAG, "Remembering install states:"); 15889 for (int userId : allUserHandles) { 15890 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15891 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15892 } 15893 } 15894 } 15895 15896 // Delete the updated package 15897 outInfo.isRemovedPackageSystemUpdate = true; 15898 if (outInfo.removedChildPackages != null) { 15899 final int childCount = (deletedPs.childPackageNames != null) 15900 ? deletedPs.childPackageNames.size() : 0; 15901 for (int i = 0; i < childCount; i++) { 15902 String childPackageName = deletedPs.childPackageNames.get(i); 15903 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15904 .contains(childPackageName)) { 15905 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15906 childPackageName); 15907 if (childInfo != null) { 15908 childInfo.isRemovedPackageSystemUpdate = true; 15909 } 15910 } 15911 } 15912 } 15913 15914 if (disabledPs.versionCode < deletedPs.versionCode) { 15915 // Delete data for downgrades 15916 flags &= ~PackageManager.DELETE_KEEP_DATA; 15917 } else { 15918 // Preserve data by setting flag 15919 flags |= PackageManager.DELETE_KEEP_DATA; 15920 } 15921 15922 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15923 outInfo, writeSettings, disabledPs.pkg); 15924 if (!ret) { 15925 return false; 15926 } 15927 15928 // writer 15929 synchronized (mPackages) { 15930 // Reinstate the old system package 15931 enableSystemPackageLPw(disabledPs.pkg); 15932 // Remove any native libraries from the upgraded package. 15933 removeNativeBinariesLI(deletedPs); 15934 } 15935 15936 // Install the system package 15937 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15938 int parseFlags = mDefParseFlags 15939 | PackageParser.PARSE_MUST_BE_APK 15940 | PackageParser.PARSE_IS_SYSTEM 15941 | PackageParser.PARSE_IS_SYSTEM_DIR; 15942 if (locationIsPrivileged(disabledPs.codePath)) { 15943 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15944 } 15945 15946 final PackageParser.Package newPkg; 15947 try { 15948 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15949 } catch (PackageManagerException e) { 15950 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15951 + e.getMessage()); 15952 return false; 15953 } 15954 try { 15955 // update shared libraries for the newly re-installed system package 15956 updateSharedLibrariesLPw(newPkg, null); 15957 } catch (PackageManagerException e) { 15958 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 15959 } 15960 15961 prepareAppDataAfterInstallLIF(newPkg); 15962 15963 // writer 15964 synchronized (mPackages) { 15965 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15966 15967 // Propagate the permissions state as we do not want to drop on the floor 15968 // runtime permissions. The update permissions method below will take 15969 // care of removing obsolete permissions and grant install permissions. 15970 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15971 updatePermissionsLPw(newPkg.packageName, newPkg, 15972 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15973 15974 if (applyUserRestrictions) { 15975 if (DEBUG_REMOVE) { 15976 Slog.d(TAG, "Propagating install state across reinstall"); 15977 } 15978 for (int userId : allUserHandles) { 15979 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15980 if (DEBUG_REMOVE) { 15981 Slog.d(TAG, " user " + userId + " => " + installed); 15982 } 15983 ps.setInstalled(installed, userId); 15984 15985 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15986 } 15987 // Regardless of writeSettings we need to ensure that this restriction 15988 // state propagation is persisted 15989 mSettings.writeAllUsersPackageRestrictionsLPr(); 15990 } 15991 // can downgrade to reader here 15992 if (writeSettings) { 15993 mSettings.writeLPr(); 15994 } 15995 } 15996 return true; 15997 } 15998 15999 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16000 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16001 PackageRemovedInfo outInfo, boolean writeSettings, 16002 PackageParser.Package replacingPackage) { 16003 synchronized (mPackages) { 16004 if (outInfo != null) { 16005 outInfo.uid = ps.appId; 16006 } 16007 16008 if (outInfo != null && outInfo.removedChildPackages != null) { 16009 final int childCount = (ps.childPackageNames != null) 16010 ? ps.childPackageNames.size() : 0; 16011 for (int i = 0; i < childCount; i++) { 16012 String childPackageName = ps.childPackageNames.get(i); 16013 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16014 if (childPs == null) { 16015 return false; 16016 } 16017 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16018 childPackageName); 16019 if (childInfo != null) { 16020 childInfo.uid = childPs.appId; 16021 } 16022 } 16023 } 16024 } 16025 16026 // Delete package data from internal structures and also remove data if flag is set 16027 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16028 16029 // Delete the child packages data 16030 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16031 for (int i = 0; i < childCount; i++) { 16032 PackageSetting childPs; 16033 synchronized (mPackages) { 16034 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16035 } 16036 if (childPs != null) { 16037 PackageRemovedInfo childOutInfo = (outInfo != null 16038 && outInfo.removedChildPackages != null) 16039 ? outInfo.removedChildPackages.get(childPs.name) : null; 16040 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16041 && (replacingPackage != null 16042 && !replacingPackage.hasChildPackage(childPs.name)) 16043 ? flags & ~DELETE_KEEP_DATA : flags; 16044 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16045 deleteFlags, writeSettings); 16046 } 16047 } 16048 16049 // Delete application code and resources only for parent packages 16050 if (ps.parentPackageName == null) { 16051 if (deleteCodeAndResources && (outInfo != null)) { 16052 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16053 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16054 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16055 } 16056 } 16057 16058 return true; 16059 } 16060 16061 @Override 16062 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16063 int userId) { 16064 mContext.enforceCallingOrSelfPermission( 16065 android.Manifest.permission.DELETE_PACKAGES, null); 16066 synchronized (mPackages) { 16067 PackageSetting ps = mSettings.mPackages.get(packageName); 16068 if (ps == null) { 16069 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16070 return false; 16071 } 16072 if (!ps.getInstalled(userId)) { 16073 // Can't block uninstall for an app that is not installed or enabled. 16074 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16075 return false; 16076 } 16077 ps.setBlockUninstall(blockUninstall, userId); 16078 mSettings.writePackageRestrictionsLPr(userId); 16079 } 16080 return true; 16081 } 16082 16083 @Override 16084 public boolean getBlockUninstallForUser(String packageName, int userId) { 16085 synchronized (mPackages) { 16086 PackageSetting ps = mSettings.mPackages.get(packageName); 16087 if (ps == null) { 16088 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16089 return false; 16090 } 16091 return ps.getBlockUninstall(userId); 16092 } 16093 } 16094 16095 @Override 16096 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16097 int callingUid = Binder.getCallingUid(); 16098 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16099 throw new SecurityException( 16100 "setRequiredForSystemUser can only be run by the system or root"); 16101 } 16102 synchronized (mPackages) { 16103 PackageSetting ps = mSettings.mPackages.get(packageName); 16104 if (ps == null) { 16105 Log.w(TAG, "Package doesn't exist: " + packageName); 16106 return false; 16107 } 16108 if (systemUserApp) { 16109 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16110 } else { 16111 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16112 } 16113 mSettings.writeLPr(); 16114 } 16115 return true; 16116 } 16117 16118 /* 16119 * This method handles package deletion in general 16120 */ 16121 private boolean deletePackageLIF(String packageName, UserHandle user, 16122 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16123 PackageRemovedInfo outInfo, boolean writeSettings, 16124 PackageParser.Package replacingPackage) { 16125 if (packageName == null) { 16126 Slog.w(TAG, "Attempt to delete null packageName."); 16127 return false; 16128 } 16129 16130 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16131 16132 PackageSetting ps; 16133 16134 synchronized (mPackages) { 16135 ps = mSettings.mPackages.get(packageName); 16136 if (ps == null) { 16137 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16138 return false; 16139 } 16140 16141 if (ps.parentPackageName != null && (!isSystemApp(ps) 16142 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16143 if (DEBUG_REMOVE) { 16144 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16145 + ((user == null) ? UserHandle.USER_ALL : user)); 16146 } 16147 final int removedUserId = (user != null) ? user.getIdentifier() 16148 : UserHandle.USER_ALL; 16149 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16150 return false; 16151 } 16152 markPackageUninstalledForUserLPw(ps, user); 16153 scheduleWritePackageRestrictionsLocked(user); 16154 return true; 16155 } 16156 } 16157 16158 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16159 && user.getIdentifier() != UserHandle.USER_ALL)) { 16160 // The caller is asking that the package only be deleted for a single 16161 // user. To do this, we just mark its uninstalled state and delete 16162 // its data. If this is a system app, we only allow this to happen if 16163 // they have set the special DELETE_SYSTEM_APP which requests different 16164 // semantics than normal for uninstalling system apps. 16165 markPackageUninstalledForUserLPw(ps, user); 16166 16167 if (!isSystemApp(ps)) { 16168 // Do not uninstall the APK if an app should be cached 16169 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16170 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16171 // Other user still have this package installed, so all 16172 // we need to do is clear this user's data and save that 16173 // it is uninstalled. 16174 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16175 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16176 return false; 16177 } 16178 scheduleWritePackageRestrictionsLocked(user); 16179 return true; 16180 } else { 16181 // We need to set it back to 'installed' so the uninstall 16182 // broadcasts will be sent correctly. 16183 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16184 ps.setInstalled(true, user.getIdentifier()); 16185 } 16186 } else { 16187 // This is a system app, so we assume that the 16188 // other users still have this package installed, so all 16189 // we need to do is clear this user's data and save that 16190 // it is uninstalled. 16191 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16192 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16193 return false; 16194 } 16195 scheduleWritePackageRestrictionsLocked(user); 16196 return true; 16197 } 16198 } 16199 16200 // If we are deleting a composite package for all users, keep track 16201 // of result for each child. 16202 if (ps.childPackageNames != null && outInfo != null) { 16203 synchronized (mPackages) { 16204 final int childCount = ps.childPackageNames.size(); 16205 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16206 for (int i = 0; i < childCount; i++) { 16207 String childPackageName = ps.childPackageNames.get(i); 16208 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16209 childInfo.removedPackage = childPackageName; 16210 outInfo.removedChildPackages.put(childPackageName, childInfo); 16211 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16212 if (childPs != null) { 16213 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16214 } 16215 } 16216 } 16217 } 16218 16219 boolean ret = false; 16220 if (isSystemApp(ps)) { 16221 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16222 // When an updated system application is deleted we delete the existing resources 16223 // as well and fall back to existing code in system partition 16224 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16225 } else { 16226 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16227 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16228 outInfo, writeSettings, replacingPackage); 16229 } 16230 16231 // Take a note whether we deleted the package for all users 16232 if (outInfo != null) { 16233 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16234 if (outInfo.removedChildPackages != null) { 16235 synchronized (mPackages) { 16236 final int childCount = outInfo.removedChildPackages.size(); 16237 for (int i = 0; i < childCount; i++) { 16238 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16239 if (childInfo != null) { 16240 childInfo.removedForAllUsers = mPackages.get( 16241 childInfo.removedPackage) == null; 16242 } 16243 } 16244 } 16245 } 16246 // If we uninstalled an update to a system app there may be some 16247 // child packages that appeared as they are declared in the system 16248 // app but were not declared in the update. 16249 if (isSystemApp(ps)) { 16250 synchronized (mPackages) { 16251 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16252 final int childCount = (updatedPs.childPackageNames != null) 16253 ? updatedPs.childPackageNames.size() : 0; 16254 for (int i = 0; i < childCount; i++) { 16255 String childPackageName = updatedPs.childPackageNames.get(i); 16256 if (outInfo.removedChildPackages == null 16257 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16258 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16259 if (childPs == null) { 16260 continue; 16261 } 16262 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16263 installRes.name = childPackageName; 16264 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16265 installRes.pkg = mPackages.get(childPackageName); 16266 installRes.uid = childPs.pkg.applicationInfo.uid; 16267 if (outInfo.appearedChildPackages == null) { 16268 outInfo.appearedChildPackages = new ArrayMap<>(); 16269 } 16270 outInfo.appearedChildPackages.put(childPackageName, installRes); 16271 } 16272 } 16273 } 16274 } 16275 } 16276 16277 return ret; 16278 } 16279 16280 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16281 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16282 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16283 for (int nextUserId : userIds) { 16284 if (DEBUG_REMOVE) { 16285 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16286 } 16287 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16288 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16289 false /*hidden*/, false /*suspended*/, null, null, null, 16290 false /*blockUninstall*/, 16291 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16292 } 16293 } 16294 16295 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16296 PackageRemovedInfo outInfo) { 16297 final PackageParser.Package pkg; 16298 synchronized (mPackages) { 16299 pkg = mPackages.get(ps.name); 16300 } 16301 16302 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16303 : new int[] {userId}; 16304 for (int nextUserId : userIds) { 16305 if (DEBUG_REMOVE) { 16306 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16307 + nextUserId); 16308 } 16309 16310 destroyAppDataLIF(pkg, userId, 16311 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16312 destroyAppProfilesLIF(pkg, userId); 16313 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16314 schedulePackageCleaning(ps.name, nextUserId, false); 16315 synchronized (mPackages) { 16316 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16317 scheduleWritePackageRestrictionsLocked(nextUserId); 16318 } 16319 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16320 } 16321 } 16322 16323 if (outInfo != null) { 16324 outInfo.removedPackage = ps.name; 16325 outInfo.removedAppId = ps.appId; 16326 outInfo.removedUsers = userIds; 16327 } 16328 16329 return true; 16330 } 16331 16332 private final class ClearStorageConnection implements ServiceConnection { 16333 IMediaContainerService mContainerService; 16334 16335 @Override 16336 public void onServiceConnected(ComponentName name, IBinder service) { 16337 synchronized (this) { 16338 mContainerService = IMediaContainerService.Stub.asInterface(service); 16339 notifyAll(); 16340 } 16341 } 16342 16343 @Override 16344 public void onServiceDisconnected(ComponentName name) { 16345 } 16346 } 16347 16348 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16349 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16350 16351 final boolean mounted; 16352 if (Environment.isExternalStorageEmulated()) { 16353 mounted = true; 16354 } else { 16355 final String status = Environment.getExternalStorageState(); 16356 16357 mounted = status.equals(Environment.MEDIA_MOUNTED) 16358 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16359 } 16360 16361 if (!mounted) { 16362 return; 16363 } 16364 16365 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16366 int[] users; 16367 if (userId == UserHandle.USER_ALL) { 16368 users = sUserManager.getUserIds(); 16369 } else { 16370 users = new int[] { userId }; 16371 } 16372 final ClearStorageConnection conn = new ClearStorageConnection(); 16373 if (mContext.bindServiceAsUser( 16374 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16375 try { 16376 for (int curUser : users) { 16377 long timeout = SystemClock.uptimeMillis() + 5000; 16378 synchronized (conn) { 16379 long now; 16380 while (conn.mContainerService == null && 16381 (now = SystemClock.uptimeMillis()) < timeout) { 16382 try { 16383 conn.wait(timeout - now); 16384 } catch (InterruptedException e) { 16385 } 16386 } 16387 } 16388 if (conn.mContainerService == null) { 16389 return; 16390 } 16391 16392 final UserEnvironment userEnv = new UserEnvironment(curUser); 16393 clearDirectory(conn.mContainerService, 16394 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16395 if (allData) { 16396 clearDirectory(conn.mContainerService, 16397 userEnv.buildExternalStorageAppDataDirs(packageName)); 16398 clearDirectory(conn.mContainerService, 16399 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16400 } 16401 } 16402 } finally { 16403 mContext.unbindService(conn); 16404 } 16405 } 16406 } 16407 16408 @Override 16409 public void clearApplicationProfileData(String packageName) { 16410 enforceSystemOrRoot("Only the system can clear all profile data"); 16411 16412 final PackageParser.Package pkg; 16413 synchronized (mPackages) { 16414 pkg = mPackages.get(packageName); 16415 } 16416 16417 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16418 synchronized (mInstallLock) { 16419 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16420 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16421 true /* removeBaseMarker */); 16422 } 16423 } 16424 } 16425 16426 @Override 16427 public void clearApplicationUserData(final String packageName, 16428 final IPackageDataObserver observer, final int userId) { 16429 mContext.enforceCallingOrSelfPermission( 16430 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16431 16432 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16433 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16434 16435 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16436 throw new SecurityException("Cannot clear data for a protected package: " 16437 + packageName); 16438 } 16439 // Queue up an async operation since the package deletion may take a little while. 16440 mHandler.post(new Runnable() { 16441 public void run() { 16442 mHandler.removeCallbacks(this); 16443 final boolean succeeded; 16444 try (PackageFreezer freezer = freezePackage(packageName, 16445 "clearApplicationUserData")) { 16446 synchronized (mInstallLock) { 16447 succeeded = clearApplicationUserDataLIF(packageName, userId); 16448 } 16449 clearExternalStorageDataSync(packageName, userId, true); 16450 } 16451 if (succeeded) { 16452 // invoke DeviceStorageMonitor's update method to clear any notifications 16453 DeviceStorageMonitorInternal dsm = LocalServices 16454 .getService(DeviceStorageMonitorInternal.class); 16455 if (dsm != null) { 16456 dsm.checkMemory(); 16457 } 16458 } 16459 if(observer != null) { 16460 try { 16461 observer.onRemoveCompleted(packageName, succeeded); 16462 } catch (RemoteException e) { 16463 Log.i(TAG, "Observer no longer exists."); 16464 } 16465 } //end if observer 16466 } //end run 16467 }); 16468 } 16469 16470 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16471 if (packageName == null) { 16472 Slog.w(TAG, "Attempt to delete null packageName."); 16473 return false; 16474 } 16475 16476 // Try finding details about the requested package 16477 PackageParser.Package pkg; 16478 synchronized (mPackages) { 16479 pkg = mPackages.get(packageName); 16480 if (pkg == null) { 16481 final PackageSetting ps = mSettings.mPackages.get(packageName); 16482 if (ps != null) { 16483 pkg = ps.pkg; 16484 } 16485 } 16486 16487 if (pkg == null) { 16488 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16489 return false; 16490 } 16491 16492 PackageSetting ps = (PackageSetting) pkg.mExtras; 16493 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16494 } 16495 16496 clearAppDataLIF(pkg, userId, 16497 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16498 16499 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16500 removeKeystoreDataIfNeeded(userId, appId); 16501 16502 UserManagerInternal umInternal = getUserManagerInternal(); 16503 final int flags; 16504 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16505 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16506 } else if (umInternal.isUserRunning(userId)) { 16507 flags = StorageManager.FLAG_STORAGE_DE; 16508 } else { 16509 flags = 0; 16510 } 16511 prepareAppDataContentsLIF(pkg, userId, flags); 16512 16513 return true; 16514 } 16515 16516 /** 16517 * Reverts user permission state changes (permissions and flags) in 16518 * all packages for a given user. 16519 * 16520 * @param userId The device user for which to do a reset. 16521 */ 16522 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16523 final int packageCount = mPackages.size(); 16524 for (int i = 0; i < packageCount; i++) { 16525 PackageParser.Package pkg = mPackages.valueAt(i); 16526 PackageSetting ps = (PackageSetting) pkg.mExtras; 16527 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16528 } 16529 } 16530 16531 private void resetNetworkPolicies(int userId) { 16532 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16533 } 16534 16535 /** 16536 * Reverts user permission state changes (permissions and flags). 16537 * 16538 * @param ps The package for which to reset. 16539 * @param userId The device user for which to do a reset. 16540 */ 16541 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16542 final PackageSetting ps, final int userId) { 16543 if (ps.pkg == null) { 16544 return; 16545 } 16546 16547 // These are flags that can change base on user actions. 16548 final int userSettableMask = FLAG_PERMISSION_USER_SET 16549 | FLAG_PERMISSION_USER_FIXED 16550 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16551 | FLAG_PERMISSION_REVIEW_REQUIRED; 16552 16553 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16554 | FLAG_PERMISSION_POLICY_FIXED; 16555 16556 boolean writeInstallPermissions = false; 16557 boolean writeRuntimePermissions = false; 16558 16559 final int permissionCount = ps.pkg.requestedPermissions.size(); 16560 for (int i = 0; i < permissionCount; i++) { 16561 String permission = ps.pkg.requestedPermissions.get(i); 16562 16563 BasePermission bp = mSettings.mPermissions.get(permission); 16564 if (bp == null) { 16565 continue; 16566 } 16567 16568 // If shared user we just reset the state to which only this app contributed. 16569 if (ps.sharedUser != null) { 16570 boolean used = false; 16571 final int packageCount = ps.sharedUser.packages.size(); 16572 for (int j = 0; j < packageCount; j++) { 16573 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16574 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16575 && pkg.pkg.requestedPermissions.contains(permission)) { 16576 used = true; 16577 break; 16578 } 16579 } 16580 if (used) { 16581 continue; 16582 } 16583 } 16584 16585 PermissionsState permissionsState = ps.getPermissionsState(); 16586 16587 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16588 16589 // Always clear the user settable flags. 16590 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16591 bp.name) != null; 16592 // If permission review is enabled and this is a legacy app, mark the 16593 // permission as requiring a review as this is the initial state. 16594 int flags = 0; 16595 if (Build.PERMISSIONS_REVIEW_REQUIRED 16596 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16597 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16598 } 16599 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16600 if (hasInstallState) { 16601 writeInstallPermissions = true; 16602 } else { 16603 writeRuntimePermissions = true; 16604 } 16605 } 16606 16607 // Below is only runtime permission handling. 16608 if (!bp.isRuntime()) { 16609 continue; 16610 } 16611 16612 // Never clobber system or policy. 16613 if ((oldFlags & policyOrSystemFlags) != 0) { 16614 continue; 16615 } 16616 16617 // If this permission was granted by default, make sure it is. 16618 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16619 if (permissionsState.grantRuntimePermission(bp, userId) 16620 != PERMISSION_OPERATION_FAILURE) { 16621 writeRuntimePermissions = true; 16622 } 16623 // If permission review is enabled the permissions for a legacy apps 16624 // are represented as constantly granted runtime ones, so don't revoke. 16625 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16626 // Otherwise, reset the permission. 16627 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16628 switch (revokeResult) { 16629 case PERMISSION_OPERATION_SUCCESS: 16630 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16631 writeRuntimePermissions = true; 16632 final int appId = ps.appId; 16633 mHandler.post(new Runnable() { 16634 @Override 16635 public void run() { 16636 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16637 } 16638 }); 16639 } break; 16640 } 16641 } 16642 } 16643 16644 // Synchronously write as we are taking permissions away. 16645 if (writeRuntimePermissions) { 16646 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16647 } 16648 16649 // Synchronously write as we are taking permissions away. 16650 if (writeInstallPermissions) { 16651 mSettings.writeLPr(); 16652 } 16653 } 16654 16655 /** 16656 * Remove entries from the keystore daemon. Will only remove it if the 16657 * {@code appId} is valid. 16658 */ 16659 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16660 if (appId < 0) { 16661 return; 16662 } 16663 16664 final KeyStore keyStore = KeyStore.getInstance(); 16665 if (keyStore != null) { 16666 if (userId == UserHandle.USER_ALL) { 16667 for (final int individual : sUserManager.getUserIds()) { 16668 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16669 } 16670 } else { 16671 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16672 } 16673 } else { 16674 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16675 } 16676 } 16677 16678 @Override 16679 public void deleteApplicationCacheFiles(final String packageName, 16680 final IPackageDataObserver observer) { 16681 final int userId = UserHandle.getCallingUserId(); 16682 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16683 } 16684 16685 @Override 16686 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16687 final IPackageDataObserver observer) { 16688 mContext.enforceCallingOrSelfPermission( 16689 android.Manifest.permission.DELETE_CACHE_FILES, null); 16690 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16691 /* requireFullPermission= */ true, /* checkShell= */ false, 16692 "delete application cache files"); 16693 16694 final PackageParser.Package pkg; 16695 synchronized (mPackages) { 16696 pkg = mPackages.get(packageName); 16697 } 16698 16699 // Queue up an async operation since the package deletion may take a little while. 16700 mHandler.post(new Runnable() { 16701 public void run() { 16702 synchronized (mInstallLock) { 16703 final int flags = StorageManager.FLAG_STORAGE_DE 16704 | StorageManager.FLAG_STORAGE_CE; 16705 // We're only clearing cache files, so we don't care if the 16706 // app is unfrozen and still able to run 16707 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16708 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16709 } 16710 clearExternalStorageDataSync(packageName, userId, false); 16711 if (observer != null) { 16712 try { 16713 observer.onRemoveCompleted(packageName, true); 16714 } catch (RemoteException e) { 16715 Log.i(TAG, "Observer no longer exists."); 16716 } 16717 } 16718 } 16719 }); 16720 } 16721 16722 @Override 16723 public void getPackageSizeInfo(final String packageName, int userHandle, 16724 final IPackageStatsObserver observer) { 16725 mContext.enforceCallingOrSelfPermission( 16726 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16727 if (packageName == null) { 16728 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16729 } 16730 16731 PackageStats stats = new PackageStats(packageName, userHandle); 16732 16733 /* 16734 * Queue up an async operation since the package measurement may take a 16735 * little while. 16736 */ 16737 Message msg = mHandler.obtainMessage(INIT_COPY); 16738 msg.obj = new MeasureParams(stats, observer); 16739 mHandler.sendMessage(msg); 16740 } 16741 16742 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16743 final PackageSetting ps; 16744 synchronized (mPackages) { 16745 ps = mSettings.mPackages.get(packageName); 16746 if (ps == null) { 16747 Slog.w(TAG, "Failed to find settings for " + packageName); 16748 return false; 16749 } 16750 } 16751 try { 16752 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16753 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16754 ps.getCeDataInode(userId), ps.codePathString, stats); 16755 } catch (InstallerException e) { 16756 Slog.w(TAG, String.valueOf(e)); 16757 return false; 16758 } 16759 16760 // For now, ignore code size of packages on system partition 16761 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16762 stats.codeSize = 0; 16763 } 16764 16765 return true; 16766 } 16767 16768 private int getUidTargetSdkVersionLockedLPr(int uid) { 16769 Object obj = mSettings.getUserIdLPr(uid); 16770 if (obj instanceof SharedUserSetting) { 16771 final SharedUserSetting sus = (SharedUserSetting) obj; 16772 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16773 final Iterator<PackageSetting> it = sus.packages.iterator(); 16774 while (it.hasNext()) { 16775 final PackageSetting ps = it.next(); 16776 if (ps.pkg != null) { 16777 int v = ps.pkg.applicationInfo.targetSdkVersion; 16778 if (v < vers) vers = v; 16779 } 16780 } 16781 return vers; 16782 } else if (obj instanceof PackageSetting) { 16783 final PackageSetting ps = (PackageSetting) obj; 16784 if (ps.pkg != null) { 16785 return ps.pkg.applicationInfo.targetSdkVersion; 16786 } 16787 } 16788 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16789 } 16790 16791 @Override 16792 public void addPreferredActivity(IntentFilter filter, int match, 16793 ComponentName[] set, ComponentName activity, int userId) { 16794 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16795 "Adding preferred"); 16796 } 16797 16798 private void addPreferredActivityInternal(IntentFilter filter, int match, 16799 ComponentName[] set, ComponentName activity, boolean always, int userId, 16800 String opname) { 16801 // writer 16802 int callingUid = Binder.getCallingUid(); 16803 enforceCrossUserPermission(callingUid, userId, 16804 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16805 if (filter.countActions() == 0) { 16806 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16807 return; 16808 } 16809 synchronized (mPackages) { 16810 if (mContext.checkCallingOrSelfPermission( 16811 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16812 != PackageManager.PERMISSION_GRANTED) { 16813 if (getUidTargetSdkVersionLockedLPr(callingUid) 16814 < Build.VERSION_CODES.FROYO) { 16815 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16816 + callingUid); 16817 return; 16818 } 16819 mContext.enforceCallingOrSelfPermission( 16820 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16821 } 16822 16823 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16824 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16825 + userId + ":"); 16826 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16827 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16828 scheduleWritePackageRestrictionsLocked(userId); 16829 postPreferredActivityChangedBroadcast(userId); 16830 } 16831 } 16832 16833 private void postPreferredActivityChangedBroadcast(int userId) { 16834 mHandler.post(() -> { 16835 final IActivityManager am = ActivityManagerNative.getDefault(); 16836 if (am == null) { 16837 return; 16838 } 16839 16840 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16841 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16842 try { 16843 am.broadcastIntent(null, intent, null, null, 16844 0, null, null, null, android.app.AppOpsManager.OP_NONE, 16845 null, false, false, userId); 16846 } catch (RemoteException e) { 16847 } 16848 }); 16849 } 16850 16851 @Override 16852 public void replacePreferredActivity(IntentFilter filter, int match, 16853 ComponentName[] set, ComponentName activity, int userId) { 16854 if (filter.countActions() != 1) { 16855 throw new IllegalArgumentException( 16856 "replacePreferredActivity expects filter to have only 1 action."); 16857 } 16858 if (filter.countDataAuthorities() != 0 16859 || filter.countDataPaths() != 0 16860 || filter.countDataSchemes() > 1 16861 || filter.countDataTypes() != 0) { 16862 throw new IllegalArgumentException( 16863 "replacePreferredActivity expects filter to have no data authorities, " + 16864 "paths, or types; and at most one scheme."); 16865 } 16866 16867 final int callingUid = Binder.getCallingUid(); 16868 enforceCrossUserPermission(callingUid, userId, 16869 true /* requireFullPermission */, false /* checkShell */, 16870 "replace preferred activity"); 16871 synchronized (mPackages) { 16872 if (mContext.checkCallingOrSelfPermission( 16873 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16874 != PackageManager.PERMISSION_GRANTED) { 16875 if (getUidTargetSdkVersionLockedLPr(callingUid) 16876 < Build.VERSION_CODES.FROYO) { 16877 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16878 + Binder.getCallingUid()); 16879 return; 16880 } 16881 mContext.enforceCallingOrSelfPermission( 16882 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16883 } 16884 16885 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16886 if (pir != null) { 16887 // Get all of the existing entries that exactly match this filter. 16888 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16889 if (existing != null && existing.size() == 1) { 16890 PreferredActivity cur = existing.get(0); 16891 if (DEBUG_PREFERRED) { 16892 Slog.i(TAG, "Checking replace of preferred:"); 16893 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16894 if (!cur.mPref.mAlways) { 16895 Slog.i(TAG, " -- CUR; not mAlways!"); 16896 } else { 16897 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16898 Slog.i(TAG, " -- CUR: mSet=" 16899 + Arrays.toString(cur.mPref.mSetComponents)); 16900 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16901 Slog.i(TAG, " -- NEW: mMatch=" 16902 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16903 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16904 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16905 } 16906 } 16907 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16908 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16909 && cur.mPref.sameSet(set)) { 16910 // Setting the preferred activity to what it happens to be already 16911 if (DEBUG_PREFERRED) { 16912 Slog.i(TAG, "Replacing with same preferred activity " 16913 + cur.mPref.mShortComponent + " for user " 16914 + userId + ":"); 16915 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16916 } 16917 return; 16918 } 16919 } 16920 16921 if (existing != null) { 16922 if (DEBUG_PREFERRED) { 16923 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16924 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16925 } 16926 for (int i = 0; i < existing.size(); i++) { 16927 PreferredActivity pa = existing.get(i); 16928 if (DEBUG_PREFERRED) { 16929 Slog.i(TAG, "Removing existing preferred activity " 16930 + pa.mPref.mComponent + ":"); 16931 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16932 } 16933 pir.removeFilter(pa); 16934 } 16935 } 16936 } 16937 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16938 "Replacing preferred"); 16939 } 16940 } 16941 16942 @Override 16943 public void clearPackagePreferredActivities(String packageName) { 16944 final int uid = Binder.getCallingUid(); 16945 // writer 16946 synchronized (mPackages) { 16947 PackageParser.Package pkg = mPackages.get(packageName); 16948 if (pkg == null || pkg.applicationInfo.uid != uid) { 16949 if (mContext.checkCallingOrSelfPermission( 16950 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16951 != PackageManager.PERMISSION_GRANTED) { 16952 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16953 < Build.VERSION_CODES.FROYO) { 16954 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16955 + Binder.getCallingUid()); 16956 return; 16957 } 16958 mContext.enforceCallingOrSelfPermission( 16959 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16960 } 16961 } 16962 16963 int user = UserHandle.getCallingUserId(); 16964 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16965 scheduleWritePackageRestrictionsLocked(user); 16966 } 16967 } 16968 } 16969 16970 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16971 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16972 ArrayList<PreferredActivity> removed = null; 16973 boolean changed = false; 16974 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16975 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16976 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16977 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16978 continue; 16979 } 16980 Iterator<PreferredActivity> it = pir.filterIterator(); 16981 while (it.hasNext()) { 16982 PreferredActivity pa = it.next(); 16983 // Mark entry for removal only if it matches the package name 16984 // and the entry is of type "always". 16985 if (packageName == null || 16986 (pa.mPref.mComponent.getPackageName().equals(packageName) 16987 && pa.mPref.mAlways)) { 16988 if (removed == null) { 16989 removed = new ArrayList<PreferredActivity>(); 16990 } 16991 removed.add(pa); 16992 } 16993 } 16994 if (removed != null) { 16995 for (int j=0; j<removed.size(); j++) { 16996 PreferredActivity pa = removed.get(j); 16997 pir.removeFilter(pa); 16998 } 16999 changed = true; 17000 } 17001 } 17002 if (changed) { 17003 postPreferredActivityChangedBroadcast(userId); 17004 } 17005 return changed; 17006 } 17007 17008 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17009 private void clearIntentFilterVerificationsLPw(int userId) { 17010 final int packageCount = mPackages.size(); 17011 for (int i = 0; i < packageCount; i++) { 17012 PackageParser.Package pkg = mPackages.valueAt(i); 17013 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17014 } 17015 } 17016 17017 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17018 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17019 if (userId == UserHandle.USER_ALL) { 17020 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17021 sUserManager.getUserIds())) { 17022 for (int oneUserId : sUserManager.getUserIds()) { 17023 scheduleWritePackageRestrictionsLocked(oneUserId); 17024 } 17025 } 17026 } else { 17027 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17028 scheduleWritePackageRestrictionsLocked(userId); 17029 } 17030 } 17031 } 17032 17033 void clearDefaultBrowserIfNeeded(String packageName) { 17034 for (int oneUserId : sUserManager.getUserIds()) { 17035 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17036 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17037 if (packageName.equals(defaultBrowserPackageName)) { 17038 setDefaultBrowserPackageName(null, oneUserId); 17039 } 17040 } 17041 } 17042 17043 @Override 17044 public void resetApplicationPreferences(int userId) { 17045 mContext.enforceCallingOrSelfPermission( 17046 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17047 final long identity = Binder.clearCallingIdentity(); 17048 // writer 17049 try { 17050 synchronized (mPackages) { 17051 clearPackagePreferredActivitiesLPw(null, userId); 17052 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17053 // TODO: We have to reset the default SMS and Phone. This requires 17054 // significant refactoring to keep all default apps in the package 17055 // manager (cleaner but more work) or have the services provide 17056 // callbacks to the package manager to request a default app reset. 17057 applyFactoryDefaultBrowserLPw(userId); 17058 clearIntentFilterVerificationsLPw(userId); 17059 primeDomainVerificationsLPw(userId); 17060 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17061 scheduleWritePackageRestrictionsLocked(userId); 17062 } 17063 resetNetworkPolicies(userId); 17064 } finally { 17065 Binder.restoreCallingIdentity(identity); 17066 } 17067 } 17068 17069 @Override 17070 public int getPreferredActivities(List<IntentFilter> outFilters, 17071 List<ComponentName> outActivities, String packageName) { 17072 17073 int num = 0; 17074 final int userId = UserHandle.getCallingUserId(); 17075 // reader 17076 synchronized (mPackages) { 17077 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17078 if (pir != null) { 17079 final Iterator<PreferredActivity> it = pir.filterIterator(); 17080 while (it.hasNext()) { 17081 final PreferredActivity pa = it.next(); 17082 if (packageName == null 17083 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17084 && pa.mPref.mAlways)) { 17085 if (outFilters != null) { 17086 outFilters.add(new IntentFilter(pa)); 17087 } 17088 if (outActivities != null) { 17089 outActivities.add(pa.mPref.mComponent); 17090 } 17091 } 17092 } 17093 } 17094 } 17095 17096 return num; 17097 } 17098 17099 @Override 17100 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17101 int userId) { 17102 int callingUid = Binder.getCallingUid(); 17103 if (callingUid != Process.SYSTEM_UID) { 17104 throw new SecurityException( 17105 "addPersistentPreferredActivity can only be run by the system"); 17106 } 17107 if (filter.countActions() == 0) { 17108 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17109 return; 17110 } 17111 synchronized (mPackages) { 17112 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17113 ":"); 17114 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17115 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17116 new PersistentPreferredActivity(filter, activity)); 17117 scheduleWritePackageRestrictionsLocked(userId); 17118 postPreferredActivityChangedBroadcast(userId); 17119 } 17120 } 17121 17122 @Override 17123 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17124 int callingUid = Binder.getCallingUid(); 17125 if (callingUid != Process.SYSTEM_UID) { 17126 throw new SecurityException( 17127 "clearPackagePersistentPreferredActivities can only be run by the system"); 17128 } 17129 ArrayList<PersistentPreferredActivity> removed = null; 17130 boolean changed = false; 17131 synchronized (mPackages) { 17132 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17133 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17134 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17135 .valueAt(i); 17136 if (userId != thisUserId) { 17137 continue; 17138 } 17139 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17140 while (it.hasNext()) { 17141 PersistentPreferredActivity ppa = it.next(); 17142 // Mark entry for removal only if it matches the package name. 17143 if (ppa.mComponent.getPackageName().equals(packageName)) { 17144 if (removed == null) { 17145 removed = new ArrayList<PersistentPreferredActivity>(); 17146 } 17147 removed.add(ppa); 17148 } 17149 } 17150 if (removed != null) { 17151 for (int j=0; j<removed.size(); j++) { 17152 PersistentPreferredActivity ppa = removed.get(j); 17153 ppir.removeFilter(ppa); 17154 } 17155 changed = true; 17156 } 17157 } 17158 17159 if (changed) { 17160 scheduleWritePackageRestrictionsLocked(userId); 17161 postPreferredActivityChangedBroadcast(userId); 17162 } 17163 } 17164 } 17165 17166 /** 17167 * Common machinery for picking apart a restored XML blob and passing 17168 * it to a caller-supplied functor to be applied to the running system. 17169 */ 17170 private void restoreFromXml(XmlPullParser parser, int userId, 17171 String expectedStartTag, BlobXmlRestorer functor) 17172 throws IOException, XmlPullParserException { 17173 int type; 17174 while ((type = parser.next()) != XmlPullParser.START_TAG 17175 && type != XmlPullParser.END_DOCUMENT) { 17176 } 17177 if (type != XmlPullParser.START_TAG) { 17178 // oops didn't find a start tag?! 17179 if (DEBUG_BACKUP) { 17180 Slog.e(TAG, "Didn't find start tag during restore"); 17181 } 17182 return; 17183 } 17184Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17185 // this is supposed to be TAG_PREFERRED_BACKUP 17186 if (!expectedStartTag.equals(parser.getName())) { 17187 if (DEBUG_BACKUP) { 17188 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17189 } 17190 return; 17191 } 17192 17193 // skip interfering stuff, then we're aligned with the backing implementation 17194 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17195Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17196 functor.apply(parser, userId); 17197 } 17198 17199 private interface BlobXmlRestorer { 17200 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17201 } 17202 17203 /** 17204 * Non-Binder method, support for the backup/restore mechanism: write the 17205 * full set of preferred activities in its canonical XML format. Returns the 17206 * XML output as a byte array, or null if there is none. 17207 */ 17208 @Override 17209 public byte[] getPreferredActivityBackup(int userId) { 17210 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17211 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17212 } 17213 17214 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17215 try { 17216 final XmlSerializer serializer = new FastXmlSerializer(); 17217 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17218 serializer.startDocument(null, true); 17219 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17220 17221 synchronized (mPackages) { 17222 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17223 } 17224 17225 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17226 serializer.endDocument(); 17227 serializer.flush(); 17228 } catch (Exception e) { 17229 if (DEBUG_BACKUP) { 17230 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17231 } 17232 return null; 17233 } 17234 17235 return dataStream.toByteArray(); 17236 } 17237 17238 @Override 17239 public void restorePreferredActivities(byte[] backup, int userId) { 17240 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17241 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17242 } 17243 17244 try { 17245 final XmlPullParser parser = Xml.newPullParser(); 17246 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17247 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17248 new BlobXmlRestorer() { 17249 @Override 17250 public void apply(XmlPullParser parser, int userId) 17251 throws XmlPullParserException, IOException { 17252 synchronized (mPackages) { 17253 mSettings.readPreferredActivitiesLPw(parser, userId); 17254 } 17255 } 17256 } ); 17257 } catch (Exception e) { 17258 if (DEBUG_BACKUP) { 17259 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17260 } 17261 } 17262 } 17263 17264 /** 17265 * Non-Binder method, support for the backup/restore mechanism: write the 17266 * default browser (etc) settings in its canonical XML format. Returns the default 17267 * browser XML representation as a byte array, or null if there is none. 17268 */ 17269 @Override 17270 public byte[] getDefaultAppsBackup(int userId) { 17271 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17272 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17273 } 17274 17275 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17276 try { 17277 final XmlSerializer serializer = new FastXmlSerializer(); 17278 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17279 serializer.startDocument(null, true); 17280 serializer.startTag(null, TAG_DEFAULT_APPS); 17281 17282 synchronized (mPackages) { 17283 mSettings.writeDefaultAppsLPr(serializer, userId); 17284 } 17285 17286 serializer.endTag(null, TAG_DEFAULT_APPS); 17287 serializer.endDocument(); 17288 serializer.flush(); 17289 } catch (Exception e) { 17290 if (DEBUG_BACKUP) { 17291 Slog.e(TAG, "Unable to write default apps for backup", e); 17292 } 17293 return null; 17294 } 17295 17296 return dataStream.toByteArray(); 17297 } 17298 17299 @Override 17300 public void restoreDefaultApps(byte[] backup, int userId) { 17301 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17302 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17303 } 17304 17305 try { 17306 final XmlPullParser parser = Xml.newPullParser(); 17307 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17308 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17309 new BlobXmlRestorer() { 17310 @Override 17311 public void apply(XmlPullParser parser, int userId) 17312 throws XmlPullParserException, IOException { 17313 synchronized (mPackages) { 17314 mSettings.readDefaultAppsLPw(parser, userId); 17315 } 17316 } 17317 } ); 17318 } catch (Exception e) { 17319 if (DEBUG_BACKUP) { 17320 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17321 } 17322 } 17323 } 17324 17325 @Override 17326 public byte[] getIntentFilterVerificationBackup(int userId) { 17327 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17328 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17329 } 17330 17331 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17332 try { 17333 final XmlSerializer serializer = new FastXmlSerializer(); 17334 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17335 serializer.startDocument(null, true); 17336 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17337 17338 synchronized (mPackages) { 17339 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17340 } 17341 17342 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17343 serializer.endDocument(); 17344 serializer.flush(); 17345 } catch (Exception e) { 17346 if (DEBUG_BACKUP) { 17347 Slog.e(TAG, "Unable to write default apps for backup", e); 17348 } 17349 return null; 17350 } 17351 17352 return dataStream.toByteArray(); 17353 } 17354 17355 @Override 17356 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17357 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17358 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17359 } 17360 17361 try { 17362 final XmlPullParser parser = Xml.newPullParser(); 17363 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17364 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17365 new BlobXmlRestorer() { 17366 @Override 17367 public void apply(XmlPullParser parser, int userId) 17368 throws XmlPullParserException, IOException { 17369 synchronized (mPackages) { 17370 mSettings.readAllDomainVerificationsLPr(parser, userId); 17371 mSettings.writeLPr(); 17372 } 17373 } 17374 } ); 17375 } catch (Exception e) { 17376 if (DEBUG_BACKUP) { 17377 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17378 } 17379 } 17380 } 17381 17382 @Override 17383 public byte[] getPermissionGrantBackup(int userId) { 17384 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17385 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17386 } 17387 17388 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17389 try { 17390 final XmlSerializer serializer = new FastXmlSerializer(); 17391 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17392 serializer.startDocument(null, true); 17393 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17394 17395 synchronized (mPackages) { 17396 serializeRuntimePermissionGrantsLPr(serializer, userId); 17397 } 17398 17399 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17400 serializer.endDocument(); 17401 serializer.flush(); 17402 } catch (Exception e) { 17403 if (DEBUG_BACKUP) { 17404 Slog.e(TAG, "Unable to write default apps for backup", e); 17405 } 17406 return null; 17407 } 17408 17409 return dataStream.toByteArray(); 17410 } 17411 17412 @Override 17413 public void restorePermissionGrants(byte[] backup, int userId) { 17414 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17415 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17416 } 17417 17418 try { 17419 final XmlPullParser parser = Xml.newPullParser(); 17420 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17421 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17422 new BlobXmlRestorer() { 17423 @Override 17424 public void apply(XmlPullParser parser, int userId) 17425 throws XmlPullParserException, IOException { 17426 synchronized (mPackages) { 17427 processRestoredPermissionGrantsLPr(parser, userId); 17428 } 17429 } 17430 } ); 17431 } catch (Exception e) { 17432 if (DEBUG_BACKUP) { 17433 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17434 } 17435 } 17436 } 17437 17438 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17439 throws IOException { 17440 serializer.startTag(null, TAG_ALL_GRANTS); 17441 17442 final int N = mSettings.mPackages.size(); 17443 for (int i = 0; i < N; i++) { 17444 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17445 boolean pkgGrantsKnown = false; 17446 17447 PermissionsState packagePerms = ps.getPermissionsState(); 17448 17449 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17450 final int grantFlags = state.getFlags(); 17451 // only look at grants that are not system/policy fixed 17452 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17453 final boolean isGranted = state.isGranted(); 17454 // And only back up the user-twiddled state bits 17455 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17456 final String packageName = mSettings.mPackages.keyAt(i); 17457 if (!pkgGrantsKnown) { 17458 serializer.startTag(null, TAG_GRANT); 17459 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17460 pkgGrantsKnown = true; 17461 } 17462 17463 final boolean userSet = 17464 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17465 final boolean userFixed = 17466 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17467 final boolean revoke = 17468 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17469 17470 serializer.startTag(null, TAG_PERMISSION); 17471 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17472 if (isGranted) { 17473 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17474 } 17475 if (userSet) { 17476 serializer.attribute(null, ATTR_USER_SET, "true"); 17477 } 17478 if (userFixed) { 17479 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17480 } 17481 if (revoke) { 17482 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17483 } 17484 serializer.endTag(null, TAG_PERMISSION); 17485 } 17486 } 17487 } 17488 17489 if (pkgGrantsKnown) { 17490 serializer.endTag(null, TAG_GRANT); 17491 } 17492 } 17493 17494 serializer.endTag(null, TAG_ALL_GRANTS); 17495 } 17496 17497 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17498 throws XmlPullParserException, IOException { 17499 String pkgName = null; 17500 int outerDepth = parser.getDepth(); 17501 int type; 17502 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17503 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17504 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17505 continue; 17506 } 17507 17508 final String tagName = parser.getName(); 17509 if (tagName.equals(TAG_GRANT)) { 17510 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17511 if (DEBUG_BACKUP) { 17512 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17513 } 17514 } else if (tagName.equals(TAG_PERMISSION)) { 17515 17516 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17517 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17518 17519 int newFlagSet = 0; 17520 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17521 newFlagSet |= FLAG_PERMISSION_USER_SET; 17522 } 17523 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17524 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17525 } 17526 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17527 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17528 } 17529 if (DEBUG_BACKUP) { 17530 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17531 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17532 } 17533 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17534 if (ps != null) { 17535 // Already installed so we apply the grant immediately 17536 if (DEBUG_BACKUP) { 17537 Slog.v(TAG, " + already installed; applying"); 17538 } 17539 PermissionsState perms = ps.getPermissionsState(); 17540 BasePermission bp = mSettings.mPermissions.get(permName); 17541 if (bp != null) { 17542 if (isGranted) { 17543 perms.grantRuntimePermission(bp, userId); 17544 } 17545 if (newFlagSet != 0) { 17546 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17547 } 17548 } 17549 } else { 17550 // Need to wait for post-restore install to apply the grant 17551 if (DEBUG_BACKUP) { 17552 Slog.v(TAG, " - not yet installed; saving for later"); 17553 } 17554 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17555 isGranted, newFlagSet, userId); 17556 } 17557 } else { 17558 PackageManagerService.reportSettingsProblem(Log.WARN, 17559 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17560 XmlUtils.skipCurrentTag(parser); 17561 } 17562 } 17563 17564 scheduleWriteSettingsLocked(); 17565 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17566 } 17567 17568 @Override 17569 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17570 int sourceUserId, int targetUserId, int flags) { 17571 mContext.enforceCallingOrSelfPermission( 17572 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17573 int callingUid = Binder.getCallingUid(); 17574 enforceOwnerRights(ownerPackage, callingUid); 17575 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17576 if (intentFilter.countActions() == 0) { 17577 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17578 return; 17579 } 17580 synchronized (mPackages) { 17581 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17582 ownerPackage, targetUserId, flags); 17583 CrossProfileIntentResolver resolver = 17584 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17585 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17586 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17587 if (existing != null) { 17588 int size = existing.size(); 17589 for (int i = 0; i < size; i++) { 17590 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17591 return; 17592 } 17593 } 17594 } 17595 resolver.addFilter(newFilter); 17596 scheduleWritePackageRestrictionsLocked(sourceUserId); 17597 } 17598 } 17599 17600 @Override 17601 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17602 mContext.enforceCallingOrSelfPermission( 17603 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17604 int callingUid = Binder.getCallingUid(); 17605 enforceOwnerRights(ownerPackage, callingUid); 17606 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17607 synchronized (mPackages) { 17608 CrossProfileIntentResolver resolver = 17609 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17610 ArraySet<CrossProfileIntentFilter> set = 17611 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17612 for (CrossProfileIntentFilter filter : set) { 17613 if (filter.getOwnerPackage().equals(ownerPackage)) { 17614 resolver.removeFilter(filter); 17615 } 17616 } 17617 scheduleWritePackageRestrictionsLocked(sourceUserId); 17618 } 17619 } 17620 17621 // Enforcing that callingUid is owning pkg on userId 17622 private void enforceOwnerRights(String pkg, int callingUid) { 17623 // The system owns everything. 17624 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17625 return; 17626 } 17627 int callingUserId = UserHandle.getUserId(callingUid); 17628 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17629 if (pi == null) { 17630 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17631 + callingUserId); 17632 } 17633 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17634 throw new SecurityException("Calling uid " + callingUid 17635 + " does not own package " + pkg); 17636 } 17637 } 17638 17639 @Override 17640 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17641 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17642 } 17643 17644 private Intent getHomeIntent() { 17645 Intent intent = new Intent(Intent.ACTION_MAIN); 17646 intent.addCategory(Intent.CATEGORY_HOME); 17647 intent.addCategory(Intent.CATEGORY_DEFAULT); 17648 return intent; 17649 } 17650 17651 private IntentFilter getHomeFilter() { 17652 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17653 filter.addCategory(Intent.CATEGORY_HOME); 17654 filter.addCategory(Intent.CATEGORY_DEFAULT); 17655 return filter; 17656 } 17657 17658 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17659 int userId) { 17660 Intent intent = getHomeIntent(); 17661 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17662 PackageManager.GET_META_DATA, userId); 17663 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17664 true, false, false, userId); 17665 17666 allHomeCandidates.clear(); 17667 if (list != null) { 17668 for (ResolveInfo ri : list) { 17669 allHomeCandidates.add(ri); 17670 } 17671 } 17672 return (preferred == null || preferred.activityInfo == null) 17673 ? null 17674 : new ComponentName(preferred.activityInfo.packageName, 17675 preferred.activityInfo.name); 17676 } 17677 17678 @Override 17679 public void setHomeActivity(ComponentName comp, int userId) { 17680 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17681 getHomeActivitiesAsUser(homeActivities, userId); 17682 17683 boolean found = false; 17684 17685 final int size = homeActivities.size(); 17686 final ComponentName[] set = new ComponentName[size]; 17687 for (int i = 0; i < size; i++) { 17688 final ResolveInfo candidate = homeActivities.get(i); 17689 final ActivityInfo info = candidate.activityInfo; 17690 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17691 set[i] = activityName; 17692 if (!found && activityName.equals(comp)) { 17693 found = true; 17694 } 17695 } 17696 if (!found) { 17697 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17698 + userId); 17699 } 17700 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17701 set, comp, userId); 17702 } 17703 17704 private @Nullable String getSetupWizardPackageName() { 17705 final Intent intent = new Intent(Intent.ACTION_MAIN); 17706 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17707 17708 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17709 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17710 | MATCH_DISABLED_COMPONENTS, 17711 UserHandle.myUserId()); 17712 if (matches.size() == 1) { 17713 return matches.get(0).getComponentInfo().packageName; 17714 } else { 17715 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17716 + ": matches=" + matches); 17717 return null; 17718 } 17719 } 17720 17721 @Override 17722 public void setApplicationEnabledSetting(String appPackageName, 17723 int newState, int flags, int userId, String callingPackage) { 17724 if (!sUserManager.exists(userId)) return; 17725 if (callingPackage == null) { 17726 callingPackage = Integer.toString(Binder.getCallingUid()); 17727 } 17728 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17729 } 17730 17731 @Override 17732 public void setComponentEnabledSetting(ComponentName componentName, 17733 int newState, int flags, int userId) { 17734 if (!sUserManager.exists(userId)) return; 17735 setEnabledSetting(componentName.getPackageName(), 17736 componentName.getClassName(), newState, flags, userId, null); 17737 } 17738 17739 private void setEnabledSetting(final String packageName, String className, int newState, 17740 final int flags, int userId, String callingPackage) { 17741 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17742 || newState == COMPONENT_ENABLED_STATE_ENABLED 17743 || newState == COMPONENT_ENABLED_STATE_DISABLED 17744 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17745 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17746 throw new IllegalArgumentException("Invalid new component state: " 17747 + newState); 17748 } 17749 PackageSetting pkgSetting; 17750 final int uid = Binder.getCallingUid(); 17751 final int permission; 17752 if (uid == Process.SYSTEM_UID) { 17753 permission = PackageManager.PERMISSION_GRANTED; 17754 } else { 17755 permission = mContext.checkCallingOrSelfPermission( 17756 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17757 } 17758 enforceCrossUserPermission(uid, userId, 17759 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17760 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17761 boolean sendNow = false; 17762 boolean isApp = (className == null); 17763 String componentName = isApp ? packageName : className; 17764 int packageUid = -1; 17765 ArrayList<String> components; 17766 17767 // writer 17768 synchronized (mPackages) { 17769 pkgSetting = mSettings.mPackages.get(packageName); 17770 if (pkgSetting == null) { 17771 if (className == null) { 17772 throw new IllegalArgumentException("Unknown package: " + packageName); 17773 } 17774 throw new IllegalArgumentException( 17775 "Unknown component: " + packageName + "/" + className); 17776 } 17777 } 17778 17779 // Limit who can change which apps 17780 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17781 // Don't allow apps that don't have permission to modify other apps 17782 if (!allowedByPermission) { 17783 throw new SecurityException( 17784 "Permission Denial: attempt to change component state from pid=" 17785 + Binder.getCallingPid() 17786 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17787 } 17788 // Don't allow changing protected packages. 17789 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17790 throw new SecurityException("Cannot disable a protected package: " + packageName); 17791 } 17792 } 17793 17794 synchronized (mPackages) { 17795 if (uid == Process.SHELL_UID) { 17796 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17797 int oldState = pkgSetting.getEnabled(userId); 17798 if (className == null 17799 && 17800 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17801 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17802 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17803 && 17804 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17805 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17806 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17807 // ok 17808 } else { 17809 throw new SecurityException( 17810 "Shell cannot change component state for " + packageName + "/" 17811 + className + " to " + newState); 17812 } 17813 } 17814 if (className == null) { 17815 // We're dealing with an application/package level state change 17816 if (pkgSetting.getEnabled(userId) == newState) { 17817 // Nothing to do 17818 return; 17819 } 17820 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17821 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17822 // Don't care about who enables an app. 17823 callingPackage = null; 17824 } 17825 pkgSetting.setEnabled(newState, userId, callingPackage); 17826 // pkgSetting.pkg.mSetEnabled = newState; 17827 } else { 17828 // We're dealing with a component level state change 17829 // First, verify that this is a valid class name. 17830 PackageParser.Package pkg = pkgSetting.pkg; 17831 if (pkg == null || !pkg.hasComponentClassName(className)) { 17832 if (pkg != null && 17833 pkg.applicationInfo.targetSdkVersion >= 17834 Build.VERSION_CODES.JELLY_BEAN) { 17835 throw new IllegalArgumentException("Component class " + className 17836 + " does not exist in " + packageName); 17837 } else { 17838 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17839 + className + " does not exist in " + packageName); 17840 } 17841 } 17842 switch (newState) { 17843 case COMPONENT_ENABLED_STATE_ENABLED: 17844 if (!pkgSetting.enableComponentLPw(className, userId)) { 17845 return; 17846 } 17847 break; 17848 case COMPONENT_ENABLED_STATE_DISABLED: 17849 if (!pkgSetting.disableComponentLPw(className, userId)) { 17850 return; 17851 } 17852 break; 17853 case COMPONENT_ENABLED_STATE_DEFAULT: 17854 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17855 return; 17856 } 17857 break; 17858 default: 17859 Slog.e(TAG, "Invalid new component state: " + newState); 17860 return; 17861 } 17862 } 17863 scheduleWritePackageRestrictionsLocked(userId); 17864 components = mPendingBroadcasts.get(userId, packageName); 17865 final boolean newPackage = components == null; 17866 if (newPackage) { 17867 components = new ArrayList<String>(); 17868 } 17869 if (!components.contains(componentName)) { 17870 components.add(componentName); 17871 } 17872 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17873 sendNow = true; 17874 // Purge entry from pending broadcast list if another one exists already 17875 // since we are sending one right away. 17876 mPendingBroadcasts.remove(userId, packageName); 17877 } else { 17878 if (newPackage) { 17879 mPendingBroadcasts.put(userId, packageName, components); 17880 } 17881 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17882 // Schedule a message 17883 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17884 } 17885 } 17886 } 17887 17888 long callingId = Binder.clearCallingIdentity(); 17889 try { 17890 if (sendNow) { 17891 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17892 sendPackageChangedBroadcast(packageName, 17893 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17894 } 17895 } finally { 17896 Binder.restoreCallingIdentity(callingId); 17897 } 17898 } 17899 17900 @Override 17901 public void flushPackageRestrictionsAsUser(int userId) { 17902 if (!sUserManager.exists(userId)) { 17903 return; 17904 } 17905 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17906 false /* checkShell */, "flushPackageRestrictions"); 17907 synchronized (mPackages) { 17908 mSettings.writePackageRestrictionsLPr(userId); 17909 mDirtyUsers.remove(userId); 17910 if (mDirtyUsers.isEmpty()) { 17911 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17912 } 17913 } 17914 } 17915 17916 private void sendPackageChangedBroadcast(String packageName, 17917 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17918 if (DEBUG_INSTALL) 17919 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17920 + componentNames); 17921 Bundle extras = new Bundle(4); 17922 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17923 String nameList[] = new String[componentNames.size()]; 17924 componentNames.toArray(nameList); 17925 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17926 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17927 extras.putInt(Intent.EXTRA_UID, packageUid); 17928 // If this is not reporting a change of the overall package, then only send it 17929 // to registered receivers. We don't want to launch a swath of apps for every 17930 // little component state change. 17931 final int flags = !componentNames.contains(packageName) 17932 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17933 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17934 new int[] {UserHandle.getUserId(packageUid)}); 17935 } 17936 17937 @Override 17938 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17939 if (!sUserManager.exists(userId)) return; 17940 final int uid = Binder.getCallingUid(); 17941 final int permission = mContext.checkCallingOrSelfPermission( 17942 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17943 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17944 enforceCrossUserPermission(uid, userId, 17945 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17946 // writer 17947 synchronized (mPackages) { 17948 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17949 allowedByPermission, uid, userId)) { 17950 scheduleWritePackageRestrictionsLocked(userId); 17951 } 17952 } 17953 } 17954 17955 @Override 17956 public String getInstallerPackageName(String packageName) { 17957 // reader 17958 synchronized (mPackages) { 17959 return mSettings.getInstallerPackageNameLPr(packageName); 17960 } 17961 } 17962 17963 public boolean isOrphaned(String packageName) { 17964 // reader 17965 synchronized (mPackages) { 17966 return mSettings.isOrphaned(packageName); 17967 } 17968 } 17969 17970 @Override 17971 public int getApplicationEnabledSetting(String packageName, int userId) { 17972 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17973 int uid = Binder.getCallingUid(); 17974 enforceCrossUserPermission(uid, userId, 17975 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17976 // reader 17977 synchronized (mPackages) { 17978 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17979 } 17980 } 17981 17982 @Override 17983 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17984 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17985 int uid = Binder.getCallingUid(); 17986 enforceCrossUserPermission(uid, userId, 17987 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17988 // reader 17989 synchronized (mPackages) { 17990 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17991 } 17992 } 17993 17994 @Override 17995 public void enterSafeMode() { 17996 enforceSystemOrRoot("Only the system can request entering safe mode"); 17997 17998 if (!mSystemReady) { 17999 mSafeMode = true; 18000 } 18001 } 18002 18003 @Override 18004 public void systemReady() { 18005 mSystemReady = true; 18006 18007 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18008 // disabled after already being started. 18009 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18010 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18011 18012 // Read the compatibilty setting when the system is ready. 18013 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18014 mContext.getContentResolver(), 18015 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18016 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18017 if (DEBUG_SETTINGS) { 18018 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18019 } 18020 18021 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18022 18023 synchronized (mPackages) { 18024 // Verify that all of the preferred activity components actually 18025 // exist. It is possible for applications to be updated and at 18026 // that point remove a previously declared activity component that 18027 // had been set as a preferred activity. We try to clean this up 18028 // the next time we encounter that preferred activity, but it is 18029 // possible for the user flow to never be able to return to that 18030 // situation so here we do a sanity check to make sure we haven't 18031 // left any junk around. 18032 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18033 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18034 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18035 removed.clear(); 18036 for (PreferredActivity pa : pir.filterSet()) { 18037 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18038 removed.add(pa); 18039 } 18040 } 18041 if (removed.size() > 0) { 18042 for (int r=0; r<removed.size(); r++) { 18043 PreferredActivity pa = removed.get(r); 18044 Slog.w(TAG, "Removing dangling preferred activity: " 18045 + pa.mPref.mComponent); 18046 pir.removeFilter(pa); 18047 } 18048 mSettings.writePackageRestrictionsLPr( 18049 mSettings.mPreferredActivities.keyAt(i)); 18050 } 18051 } 18052 18053 for (int userId : UserManagerService.getInstance().getUserIds()) { 18054 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18055 grantPermissionsUserIds = ArrayUtils.appendInt( 18056 grantPermissionsUserIds, userId); 18057 } 18058 } 18059 } 18060 sUserManager.systemReady(); 18061 18062 // If we upgraded grant all default permissions before kicking off. 18063 for (int userId : grantPermissionsUserIds) { 18064 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18065 } 18066 18067 // If we did not grant default permissions, we preload from this the 18068 // default permission exceptions lazily to ensure we don't hit the 18069 // disk on a new user creation. 18070 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18071 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18072 } 18073 18074 // Kick off any messages waiting for system ready 18075 if (mPostSystemReadyMessages != null) { 18076 for (Message msg : mPostSystemReadyMessages) { 18077 msg.sendToTarget(); 18078 } 18079 mPostSystemReadyMessages = null; 18080 } 18081 18082 // Watch for external volumes that come and go over time 18083 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18084 storage.registerListener(mStorageListener); 18085 18086 mInstallerService.systemReady(); 18087 mPackageDexOptimizer.systemReady(); 18088 18089 MountServiceInternal mountServiceInternal = LocalServices.getService( 18090 MountServiceInternal.class); 18091 mountServiceInternal.addExternalStoragePolicy( 18092 new MountServiceInternal.ExternalStorageMountPolicy() { 18093 @Override 18094 public int getMountMode(int uid, String packageName) { 18095 if (Process.isIsolated(uid)) { 18096 return Zygote.MOUNT_EXTERNAL_NONE; 18097 } 18098 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18099 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18100 } 18101 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18102 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18103 } 18104 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18105 return Zygote.MOUNT_EXTERNAL_READ; 18106 } 18107 return Zygote.MOUNT_EXTERNAL_WRITE; 18108 } 18109 18110 @Override 18111 public boolean hasExternalStorage(int uid, String packageName) { 18112 return true; 18113 } 18114 }); 18115 18116 // Now that we're mostly running, clean up stale users and apps 18117 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18118 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18119 } 18120 18121 @Override 18122 public boolean isSafeMode() { 18123 return mSafeMode; 18124 } 18125 18126 @Override 18127 public boolean hasSystemUidErrors() { 18128 return mHasSystemUidErrors; 18129 } 18130 18131 static String arrayToString(int[] array) { 18132 StringBuffer buf = new StringBuffer(128); 18133 buf.append('['); 18134 if (array != null) { 18135 for (int i=0; i<array.length; i++) { 18136 if (i > 0) buf.append(", "); 18137 buf.append(array[i]); 18138 } 18139 } 18140 buf.append(']'); 18141 return buf.toString(); 18142 } 18143 18144 static class DumpState { 18145 public static final int DUMP_LIBS = 1 << 0; 18146 public static final int DUMP_FEATURES = 1 << 1; 18147 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18148 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18149 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18150 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18151 public static final int DUMP_PERMISSIONS = 1 << 6; 18152 public static final int DUMP_PACKAGES = 1 << 7; 18153 public static final int DUMP_SHARED_USERS = 1 << 8; 18154 public static final int DUMP_MESSAGES = 1 << 9; 18155 public static final int DUMP_PROVIDERS = 1 << 10; 18156 public static final int DUMP_VERIFIERS = 1 << 11; 18157 public static final int DUMP_PREFERRED = 1 << 12; 18158 public static final int DUMP_PREFERRED_XML = 1 << 13; 18159 public static final int DUMP_KEYSETS = 1 << 14; 18160 public static final int DUMP_VERSION = 1 << 15; 18161 public static final int DUMP_INSTALLS = 1 << 16; 18162 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18163 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18164 public static final int DUMP_FROZEN = 1 << 19; 18165 public static final int DUMP_DEXOPT = 1 << 20; 18166 public static final int DUMP_COMPILER_STATS = 1 << 21; 18167 18168 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18169 18170 private int mTypes; 18171 18172 private int mOptions; 18173 18174 private boolean mTitlePrinted; 18175 18176 private SharedUserSetting mSharedUser; 18177 18178 public boolean isDumping(int type) { 18179 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18180 return true; 18181 } 18182 18183 return (mTypes & type) != 0; 18184 } 18185 18186 public void setDump(int type) { 18187 mTypes |= type; 18188 } 18189 18190 public boolean isOptionEnabled(int option) { 18191 return (mOptions & option) != 0; 18192 } 18193 18194 public void setOptionEnabled(int option) { 18195 mOptions |= option; 18196 } 18197 18198 public boolean onTitlePrinted() { 18199 final boolean printed = mTitlePrinted; 18200 mTitlePrinted = true; 18201 return printed; 18202 } 18203 18204 public boolean getTitlePrinted() { 18205 return mTitlePrinted; 18206 } 18207 18208 public void setTitlePrinted(boolean enabled) { 18209 mTitlePrinted = enabled; 18210 } 18211 18212 public SharedUserSetting getSharedUser() { 18213 return mSharedUser; 18214 } 18215 18216 public void setSharedUser(SharedUserSetting user) { 18217 mSharedUser = user; 18218 } 18219 } 18220 18221 @Override 18222 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18223 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18224 (new PackageManagerShellCommand(this)).exec( 18225 this, in, out, err, args, resultReceiver); 18226 } 18227 18228 @Override 18229 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18230 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18231 != PackageManager.PERMISSION_GRANTED) { 18232 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18233 + Binder.getCallingPid() 18234 + ", uid=" + Binder.getCallingUid() 18235 + " without permission " 18236 + android.Manifest.permission.DUMP); 18237 return; 18238 } 18239 18240 DumpState dumpState = new DumpState(); 18241 boolean fullPreferred = false; 18242 boolean checkin = false; 18243 18244 String packageName = null; 18245 ArraySet<String> permissionNames = null; 18246 18247 int opti = 0; 18248 while (opti < args.length) { 18249 String opt = args[opti]; 18250 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18251 break; 18252 } 18253 opti++; 18254 18255 if ("-a".equals(opt)) { 18256 // Right now we only know how to print all. 18257 } else if ("-h".equals(opt)) { 18258 pw.println("Package manager dump options:"); 18259 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18260 pw.println(" --checkin: dump for a checkin"); 18261 pw.println(" -f: print details of intent filters"); 18262 pw.println(" -h: print this help"); 18263 pw.println(" cmd may be one of:"); 18264 pw.println(" l[ibraries]: list known shared libraries"); 18265 pw.println(" f[eatures]: list device features"); 18266 pw.println(" k[eysets]: print known keysets"); 18267 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18268 pw.println(" perm[issions]: dump permissions"); 18269 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18270 pw.println(" pref[erred]: print preferred package settings"); 18271 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18272 pw.println(" prov[iders]: dump content providers"); 18273 pw.println(" p[ackages]: dump installed packages"); 18274 pw.println(" s[hared-users]: dump shared user IDs"); 18275 pw.println(" m[essages]: print collected runtime messages"); 18276 pw.println(" v[erifiers]: print package verifier info"); 18277 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18278 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18279 pw.println(" version: print database version info"); 18280 pw.println(" write: write current settings now"); 18281 pw.println(" installs: details about install sessions"); 18282 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18283 pw.println(" dexopt: dump dexopt state"); 18284 pw.println(" compiler-stats: dump compiler statistics"); 18285 pw.println(" <package.name>: info about given package"); 18286 return; 18287 } else if ("--checkin".equals(opt)) { 18288 checkin = true; 18289 } else if ("-f".equals(opt)) { 18290 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18291 } else { 18292 pw.println("Unknown argument: " + opt + "; use -h for help"); 18293 } 18294 } 18295 18296 // Is the caller requesting to dump a particular piece of data? 18297 if (opti < args.length) { 18298 String cmd = args[opti]; 18299 opti++; 18300 // Is this a package name? 18301 if ("android".equals(cmd) || cmd.contains(".")) { 18302 packageName = cmd; 18303 // When dumping a single package, we always dump all of its 18304 // filter information since the amount of data will be reasonable. 18305 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18306 } else if ("check-permission".equals(cmd)) { 18307 if (opti >= args.length) { 18308 pw.println("Error: check-permission missing permission argument"); 18309 return; 18310 } 18311 String perm = args[opti]; 18312 opti++; 18313 if (opti >= args.length) { 18314 pw.println("Error: check-permission missing package argument"); 18315 return; 18316 } 18317 String pkg = args[opti]; 18318 opti++; 18319 int user = UserHandle.getUserId(Binder.getCallingUid()); 18320 if (opti < args.length) { 18321 try { 18322 user = Integer.parseInt(args[opti]); 18323 } catch (NumberFormatException e) { 18324 pw.println("Error: check-permission user argument is not a number: " 18325 + args[opti]); 18326 return; 18327 } 18328 } 18329 pw.println(checkPermission(perm, pkg, user)); 18330 return; 18331 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18332 dumpState.setDump(DumpState.DUMP_LIBS); 18333 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18334 dumpState.setDump(DumpState.DUMP_FEATURES); 18335 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18336 if (opti >= args.length) { 18337 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18338 | DumpState.DUMP_SERVICE_RESOLVERS 18339 | DumpState.DUMP_RECEIVER_RESOLVERS 18340 | DumpState.DUMP_CONTENT_RESOLVERS); 18341 } else { 18342 while (opti < args.length) { 18343 String name = args[opti]; 18344 if ("a".equals(name) || "activity".equals(name)) { 18345 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18346 } else if ("s".equals(name) || "service".equals(name)) { 18347 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18348 } else if ("r".equals(name) || "receiver".equals(name)) { 18349 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18350 } else if ("c".equals(name) || "content".equals(name)) { 18351 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18352 } else { 18353 pw.println("Error: unknown resolver table type: " + name); 18354 return; 18355 } 18356 opti++; 18357 } 18358 } 18359 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18360 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18361 } else if ("permission".equals(cmd)) { 18362 if (opti >= args.length) { 18363 pw.println("Error: permission requires permission name"); 18364 return; 18365 } 18366 permissionNames = new ArraySet<>(); 18367 while (opti < args.length) { 18368 permissionNames.add(args[opti]); 18369 opti++; 18370 } 18371 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18372 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18373 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18374 dumpState.setDump(DumpState.DUMP_PREFERRED); 18375 } else if ("preferred-xml".equals(cmd)) { 18376 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18377 if (opti < args.length && "--full".equals(args[opti])) { 18378 fullPreferred = true; 18379 opti++; 18380 } 18381 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18382 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18383 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18384 dumpState.setDump(DumpState.DUMP_PACKAGES); 18385 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18386 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18387 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18388 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18389 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18390 dumpState.setDump(DumpState.DUMP_MESSAGES); 18391 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18392 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18393 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18394 || "intent-filter-verifiers".equals(cmd)) { 18395 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18396 } else if ("version".equals(cmd)) { 18397 dumpState.setDump(DumpState.DUMP_VERSION); 18398 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18399 dumpState.setDump(DumpState.DUMP_KEYSETS); 18400 } else if ("installs".equals(cmd)) { 18401 dumpState.setDump(DumpState.DUMP_INSTALLS); 18402 } else if ("frozen".equals(cmd)) { 18403 dumpState.setDump(DumpState.DUMP_FROZEN); 18404 } else if ("dexopt".equals(cmd)) { 18405 dumpState.setDump(DumpState.DUMP_DEXOPT); 18406 } else if ("compiler-stats".equals(cmd)) { 18407 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18408 } else if ("write".equals(cmd)) { 18409 synchronized (mPackages) { 18410 mSettings.writeLPr(); 18411 pw.println("Settings written."); 18412 return; 18413 } 18414 } 18415 } 18416 18417 if (checkin) { 18418 pw.println("vers,1"); 18419 } 18420 18421 // reader 18422 synchronized (mPackages) { 18423 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18424 if (!checkin) { 18425 if (dumpState.onTitlePrinted()) 18426 pw.println(); 18427 pw.println("Database versions:"); 18428 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18429 } 18430 } 18431 18432 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18433 if (!checkin) { 18434 if (dumpState.onTitlePrinted()) 18435 pw.println(); 18436 pw.println("Verifiers:"); 18437 pw.print(" Required: "); 18438 pw.print(mRequiredVerifierPackage); 18439 pw.print(" (uid="); 18440 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18441 UserHandle.USER_SYSTEM)); 18442 pw.println(")"); 18443 } else if (mRequiredVerifierPackage != null) { 18444 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18445 pw.print(","); 18446 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18447 UserHandle.USER_SYSTEM)); 18448 } 18449 } 18450 18451 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18452 packageName == null) { 18453 if (mIntentFilterVerifierComponent != null) { 18454 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18455 if (!checkin) { 18456 if (dumpState.onTitlePrinted()) 18457 pw.println(); 18458 pw.println("Intent Filter Verifier:"); 18459 pw.print(" Using: "); 18460 pw.print(verifierPackageName); 18461 pw.print(" (uid="); 18462 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18463 UserHandle.USER_SYSTEM)); 18464 pw.println(")"); 18465 } else if (verifierPackageName != null) { 18466 pw.print("ifv,"); pw.print(verifierPackageName); 18467 pw.print(","); 18468 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18469 UserHandle.USER_SYSTEM)); 18470 } 18471 } else { 18472 pw.println(); 18473 pw.println("No Intent Filter Verifier available!"); 18474 } 18475 } 18476 18477 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18478 boolean printedHeader = false; 18479 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18480 while (it.hasNext()) { 18481 String name = it.next(); 18482 SharedLibraryEntry ent = mSharedLibraries.get(name); 18483 if (!checkin) { 18484 if (!printedHeader) { 18485 if (dumpState.onTitlePrinted()) 18486 pw.println(); 18487 pw.println("Libraries:"); 18488 printedHeader = true; 18489 } 18490 pw.print(" "); 18491 } else { 18492 pw.print("lib,"); 18493 } 18494 pw.print(name); 18495 if (!checkin) { 18496 pw.print(" -> "); 18497 } 18498 if (ent.path != null) { 18499 if (!checkin) { 18500 pw.print("(jar) "); 18501 pw.print(ent.path); 18502 } else { 18503 pw.print(",jar,"); 18504 pw.print(ent.path); 18505 } 18506 } else { 18507 if (!checkin) { 18508 pw.print("(apk) "); 18509 pw.print(ent.apk); 18510 } else { 18511 pw.print(",apk,"); 18512 pw.print(ent.apk); 18513 } 18514 } 18515 pw.println(); 18516 } 18517 } 18518 18519 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18520 if (dumpState.onTitlePrinted()) 18521 pw.println(); 18522 if (!checkin) { 18523 pw.println("Features:"); 18524 } 18525 18526 for (FeatureInfo feat : mAvailableFeatures.values()) { 18527 if (checkin) { 18528 pw.print("feat,"); 18529 pw.print(feat.name); 18530 pw.print(","); 18531 pw.println(feat.version); 18532 } else { 18533 pw.print(" "); 18534 pw.print(feat.name); 18535 if (feat.version > 0) { 18536 pw.print(" version="); 18537 pw.print(feat.version); 18538 } 18539 pw.println(); 18540 } 18541 } 18542 } 18543 18544 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18545 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18546 : "Activity Resolver Table:", " ", packageName, 18547 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18548 dumpState.setTitlePrinted(true); 18549 } 18550 } 18551 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18552 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18553 : "Receiver Resolver Table:", " ", packageName, 18554 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18555 dumpState.setTitlePrinted(true); 18556 } 18557 } 18558 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18559 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18560 : "Service Resolver Table:", " ", packageName, 18561 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18562 dumpState.setTitlePrinted(true); 18563 } 18564 } 18565 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18566 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18567 : "Provider Resolver Table:", " ", packageName, 18568 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18569 dumpState.setTitlePrinted(true); 18570 } 18571 } 18572 18573 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18574 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18575 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18576 int user = mSettings.mPreferredActivities.keyAt(i); 18577 if (pir.dump(pw, 18578 dumpState.getTitlePrinted() 18579 ? "\nPreferred Activities User " + user + ":" 18580 : "Preferred Activities User " + user + ":", " ", 18581 packageName, true, false)) { 18582 dumpState.setTitlePrinted(true); 18583 } 18584 } 18585 } 18586 18587 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18588 pw.flush(); 18589 FileOutputStream fout = new FileOutputStream(fd); 18590 BufferedOutputStream str = new BufferedOutputStream(fout); 18591 XmlSerializer serializer = new FastXmlSerializer(); 18592 try { 18593 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18594 serializer.startDocument(null, true); 18595 serializer.setFeature( 18596 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18597 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18598 serializer.endDocument(); 18599 serializer.flush(); 18600 } catch (IllegalArgumentException e) { 18601 pw.println("Failed writing: " + e); 18602 } catch (IllegalStateException e) { 18603 pw.println("Failed writing: " + e); 18604 } catch (IOException e) { 18605 pw.println("Failed writing: " + e); 18606 } 18607 } 18608 18609 if (!checkin 18610 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18611 && packageName == null) { 18612 pw.println(); 18613 int count = mSettings.mPackages.size(); 18614 if (count == 0) { 18615 pw.println("No applications!"); 18616 pw.println(); 18617 } else { 18618 final String prefix = " "; 18619 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18620 if (allPackageSettings.size() == 0) { 18621 pw.println("No domain preferred apps!"); 18622 pw.println(); 18623 } else { 18624 pw.println("App verification status:"); 18625 pw.println(); 18626 count = 0; 18627 for (PackageSetting ps : allPackageSettings) { 18628 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18629 if (ivi == null || ivi.getPackageName() == null) continue; 18630 pw.println(prefix + "Package: " + ivi.getPackageName()); 18631 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18632 pw.println(prefix + "Status: " + ivi.getStatusString()); 18633 pw.println(); 18634 count++; 18635 } 18636 if (count == 0) { 18637 pw.println(prefix + "No app verification established."); 18638 pw.println(); 18639 } 18640 for (int userId : sUserManager.getUserIds()) { 18641 pw.println("App linkages for user " + userId + ":"); 18642 pw.println(); 18643 count = 0; 18644 for (PackageSetting ps : allPackageSettings) { 18645 final long status = ps.getDomainVerificationStatusForUser(userId); 18646 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18647 continue; 18648 } 18649 pw.println(prefix + "Package: " + ps.name); 18650 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18651 String statusStr = IntentFilterVerificationInfo. 18652 getStatusStringFromValue(status); 18653 pw.println(prefix + "Status: " + statusStr); 18654 pw.println(); 18655 count++; 18656 } 18657 if (count == 0) { 18658 pw.println(prefix + "No configured app linkages."); 18659 pw.println(); 18660 } 18661 } 18662 } 18663 } 18664 } 18665 18666 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18667 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18668 if (packageName == null && permissionNames == null) { 18669 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18670 if (iperm == 0) { 18671 if (dumpState.onTitlePrinted()) 18672 pw.println(); 18673 pw.println("AppOp Permissions:"); 18674 } 18675 pw.print(" AppOp Permission "); 18676 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18677 pw.println(":"); 18678 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18679 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18680 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18681 } 18682 } 18683 } 18684 } 18685 18686 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18687 boolean printedSomething = false; 18688 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18689 if (packageName != null && !packageName.equals(p.info.packageName)) { 18690 continue; 18691 } 18692 if (!printedSomething) { 18693 if (dumpState.onTitlePrinted()) 18694 pw.println(); 18695 pw.println("Registered ContentProviders:"); 18696 printedSomething = true; 18697 } 18698 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18699 pw.print(" "); pw.println(p.toString()); 18700 } 18701 printedSomething = false; 18702 for (Map.Entry<String, PackageParser.Provider> entry : 18703 mProvidersByAuthority.entrySet()) { 18704 PackageParser.Provider p = entry.getValue(); 18705 if (packageName != null && !packageName.equals(p.info.packageName)) { 18706 continue; 18707 } 18708 if (!printedSomething) { 18709 if (dumpState.onTitlePrinted()) 18710 pw.println(); 18711 pw.println("ContentProvider Authorities:"); 18712 printedSomething = true; 18713 } 18714 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18715 pw.print(" "); pw.println(p.toString()); 18716 if (p.info != null && p.info.applicationInfo != null) { 18717 final String appInfo = p.info.applicationInfo.toString(); 18718 pw.print(" applicationInfo="); pw.println(appInfo); 18719 } 18720 } 18721 } 18722 18723 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18724 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18725 } 18726 18727 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18728 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18729 } 18730 18731 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18732 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18733 } 18734 18735 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18736 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18737 } 18738 18739 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18740 // XXX should handle packageName != null by dumping only install data that 18741 // the given package is involved with. 18742 if (dumpState.onTitlePrinted()) pw.println(); 18743 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18744 } 18745 18746 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18747 // XXX should handle packageName != null by dumping only install data that 18748 // the given package is involved with. 18749 if (dumpState.onTitlePrinted()) pw.println(); 18750 18751 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18752 ipw.println(); 18753 ipw.println("Frozen packages:"); 18754 ipw.increaseIndent(); 18755 if (mFrozenPackages.size() == 0) { 18756 ipw.println("(none)"); 18757 } else { 18758 for (int i = 0; i < mFrozenPackages.size(); i++) { 18759 ipw.println(mFrozenPackages.valueAt(i)); 18760 } 18761 } 18762 ipw.decreaseIndent(); 18763 } 18764 18765 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18766 if (dumpState.onTitlePrinted()) pw.println(); 18767 dumpDexoptStateLPr(pw, packageName); 18768 } 18769 18770 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18771 if (dumpState.onTitlePrinted()) pw.println(); 18772 dumpCompilerStatsLPr(pw, packageName); 18773 } 18774 18775 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18776 if (dumpState.onTitlePrinted()) pw.println(); 18777 mSettings.dumpReadMessagesLPr(pw, dumpState); 18778 18779 pw.println(); 18780 pw.println("Package warning messages:"); 18781 BufferedReader in = null; 18782 String line = null; 18783 try { 18784 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18785 while ((line = in.readLine()) != null) { 18786 if (line.contains("ignored: updated version")) continue; 18787 pw.println(line); 18788 } 18789 } catch (IOException ignored) { 18790 } finally { 18791 IoUtils.closeQuietly(in); 18792 } 18793 } 18794 18795 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18796 BufferedReader in = null; 18797 String line = null; 18798 try { 18799 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18800 while ((line = in.readLine()) != null) { 18801 if (line.contains("ignored: updated version")) continue; 18802 pw.print("msg,"); 18803 pw.println(line); 18804 } 18805 } catch (IOException ignored) { 18806 } finally { 18807 IoUtils.closeQuietly(in); 18808 } 18809 } 18810 } 18811 } 18812 18813 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18814 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18815 ipw.println(); 18816 ipw.println("Dexopt state:"); 18817 ipw.increaseIndent(); 18818 Collection<PackageParser.Package> packages = null; 18819 if (packageName != null) { 18820 PackageParser.Package targetPackage = mPackages.get(packageName); 18821 if (targetPackage != null) { 18822 packages = Collections.singletonList(targetPackage); 18823 } else { 18824 ipw.println("Unable to find package: " + packageName); 18825 return; 18826 } 18827 } else { 18828 packages = mPackages.values(); 18829 } 18830 18831 for (PackageParser.Package pkg : packages) { 18832 ipw.println("[" + pkg.packageName + "]"); 18833 ipw.increaseIndent(); 18834 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18835 ipw.decreaseIndent(); 18836 } 18837 } 18838 18839 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18840 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18841 ipw.println(); 18842 ipw.println("Compiler stats:"); 18843 ipw.increaseIndent(); 18844 Collection<PackageParser.Package> packages = null; 18845 if (packageName != null) { 18846 PackageParser.Package targetPackage = mPackages.get(packageName); 18847 if (targetPackage != null) { 18848 packages = Collections.singletonList(targetPackage); 18849 } else { 18850 ipw.println("Unable to find package: " + packageName); 18851 return; 18852 } 18853 } else { 18854 packages = mPackages.values(); 18855 } 18856 18857 for (PackageParser.Package pkg : packages) { 18858 ipw.println("[" + pkg.packageName + "]"); 18859 ipw.increaseIndent(); 18860 18861 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18862 if (stats == null) { 18863 ipw.println("(No recorded stats)"); 18864 } else { 18865 stats.dump(ipw); 18866 } 18867 ipw.decreaseIndent(); 18868 } 18869 } 18870 18871 private String dumpDomainString(String packageName) { 18872 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18873 .getList(); 18874 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18875 18876 ArraySet<String> result = new ArraySet<>(); 18877 if (iviList.size() > 0) { 18878 for (IntentFilterVerificationInfo ivi : iviList) { 18879 for (String host : ivi.getDomains()) { 18880 result.add(host); 18881 } 18882 } 18883 } 18884 if (filters != null && filters.size() > 0) { 18885 for (IntentFilter filter : filters) { 18886 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18887 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18888 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18889 result.addAll(filter.getHostsList()); 18890 } 18891 } 18892 } 18893 18894 StringBuilder sb = new StringBuilder(result.size() * 16); 18895 for (String domain : result) { 18896 if (sb.length() > 0) sb.append(" "); 18897 sb.append(domain); 18898 } 18899 return sb.toString(); 18900 } 18901 18902 // ------- apps on sdcard specific code ------- 18903 static final boolean DEBUG_SD_INSTALL = false; 18904 18905 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18906 18907 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18908 18909 private boolean mMediaMounted = false; 18910 18911 static String getEncryptKey() { 18912 try { 18913 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18914 SD_ENCRYPTION_KEYSTORE_NAME); 18915 if (sdEncKey == null) { 18916 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18917 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18918 if (sdEncKey == null) { 18919 Slog.e(TAG, "Failed to create encryption keys"); 18920 return null; 18921 } 18922 } 18923 return sdEncKey; 18924 } catch (NoSuchAlgorithmException nsae) { 18925 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18926 return null; 18927 } catch (IOException ioe) { 18928 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18929 return null; 18930 } 18931 } 18932 18933 /* 18934 * Update media status on PackageManager. 18935 */ 18936 @Override 18937 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18938 int callingUid = Binder.getCallingUid(); 18939 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18940 throw new SecurityException("Media status can only be updated by the system"); 18941 } 18942 // reader; this apparently protects mMediaMounted, but should probably 18943 // be a different lock in that case. 18944 synchronized (mPackages) { 18945 Log.i(TAG, "Updating external media status from " 18946 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18947 + (mediaStatus ? "mounted" : "unmounted")); 18948 if (DEBUG_SD_INSTALL) 18949 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18950 + ", mMediaMounted=" + mMediaMounted); 18951 if (mediaStatus == mMediaMounted) { 18952 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18953 : 0, -1); 18954 mHandler.sendMessage(msg); 18955 return; 18956 } 18957 mMediaMounted = mediaStatus; 18958 } 18959 // Queue up an async operation since the package installation may take a 18960 // little while. 18961 mHandler.post(new Runnable() { 18962 public void run() { 18963 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18964 } 18965 }); 18966 } 18967 18968 /** 18969 * Called by MountService when the initial ASECs to scan are available. 18970 * Should block until all the ASEC containers are finished being scanned. 18971 */ 18972 public void scanAvailableAsecs() { 18973 updateExternalMediaStatusInner(true, false, false); 18974 } 18975 18976 /* 18977 * Collect information of applications on external media, map them against 18978 * existing containers and update information based on current mount status. 18979 * Please note that we always have to report status if reportStatus has been 18980 * set to true especially when unloading packages. 18981 */ 18982 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18983 boolean externalStorage) { 18984 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18985 int[] uidArr = EmptyArray.INT; 18986 18987 final String[] list = PackageHelper.getSecureContainerList(); 18988 if (ArrayUtils.isEmpty(list)) { 18989 Log.i(TAG, "No secure containers found"); 18990 } else { 18991 // Process list of secure containers and categorize them 18992 // as active or stale based on their package internal state. 18993 18994 // reader 18995 synchronized (mPackages) { 18996 for (String cid : list) { 18997 // Leave stages untouched for now; installer service owns them 18998 if (PackageInstallerService.isStageName(cid)) continue; 18999 19000 if (DEBUG_SD_INSTALL) 19001 Log.i(TAG, "Processing container " + cid); 19002 String pkgName = getAsecPackageName(cid); 19003 if (pkgName == null) { 19004 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19005 continue; 19006 } 19007 if (DEBUG_SD_INSTALL) 19008 Log.i(TAG, "Looking for pkg : " + pkgName); 19009 19010 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19011 if (ps == null) { 19012 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19013 continue; 19014 } 19015 19016 /* 19017 * Skip packages that are not external if we're unmounting 19018 * external storage. 19019 */ 19020 if (externalStorage && !isMounted && !isExternal(ps)) { 19021 continue; 19022 } 19023 19024 final AsecInstallArgs args = new AsecInstallArgs(cid, 19025 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19026 // The package status is changed only if the code path 19027 // matches between settings and the container id. 19028 if (ps.codePathString != null 19029 && ps.codePathString.startsWith(args.getCodePath())) { 19030 if (DEBUG_SD_INSTALL) { 19031 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19032 + " at code path: " + ps.codePathString); 19033 } 19034 19035 // We do have a valid package installed on sdcard 19036 processCids.put(args, ps.codePathString); 19037 final int uid = ps.appId; 19038 if (uid != -1) { 19039 uidArr = ArrayUtils.appendInt(uidArr, uid); 19040 } 19041 } else { 19042 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19043 + ps.codePathString); 19044 } 19045 } 19046 } 19047 19048 Arrays.sort(uidArr); 19049 } 19050 19051 // Process packages with valid entries. 19052 if (isMounted) { 19053 if (DEBUG_SD_INSTALL) 19054 Log.i(TAG, "Loading packages"); 19055 loadMediaPackages(processCids, uidArr, externalStorage); 19056 startCleaningPackages(); 19057 mInstallerService.onSecureContainersAvailable(); 19058 } else { 19059 if (DEBUG_SD_INSTALL) 19060 Log.i(TAG, "Unloading packages"); 19061 unloadMediaPackages(processCids, uidArr, reportStatus); 19062 } 19063 } 19064 19065 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19066 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19067 final int size = infos.size(); 19068 final String[] packageNames = new String[size]; 19069 final int[] packageUids = new int[size]; 19070 for (int i = 0; i < size; i++) { 19071 final ApplicationInfo info = infos.get(i); 19072 packageNames[i] = info.packageName; 19073 packageUids[i] = info.uid; 19074 } 19075 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19076 finishedReceiver); 19077 } 19078 19079 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19080 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19081 sendResourcesChangedBroadcast(mediaStatus, replacing, 19082 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19083 } 19084 19085 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19086 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19087 int size = pkgList.length; 19088 if (size > 0) { 19089 // Send broadcasts here 19090 Bundle extras = new Bundle(); 19091 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19092 if (uidArr != null) { 19093 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19094 } 19095 if (replacing) { 19096 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19097 } 19098 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19099 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19100 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19101 } 19102 } 19103 19104 /* 19105 * Look at potentially valid container ids from processCids If package 19106 * information doesn't match the one on record or package scanning fails, 19107 * the cid is added to list of removeCids. We currently don't delete stale 19108 * containers. 19109 */ 19110 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19111 boolean externalStorage) { 19112 ArrayList<String> pkgList = new ArrayList<String>(); 19113 Set<AsecInstallArgs> keys = processCids.keySet(); 19114 19115 for (AsecInstallArgs args : keys) { 19116 String codePath = processCids.get(args); 19117 if (DEBUG_SD_INSTALL) 19118 Log.i(TAG, "Loading container : " + args.cid); 19119 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19120 try { 19121 // Make sure there are no container errors first. 19122 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19123 Slog.e(TAG, "Failed to mount cid : " + args.cid 19124 + " when installing from sdcard"); 19125 continue; 19126 } 19127 // Check code path here. 19128 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19129 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19130 + " does not match one in settings " + codePath); 19131 continue; 19132 } 19133 // Parse package 19134 int parseFlags = mDefParseFlags; 19135 if (args.isExternalAsec()) { 19136 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19137 } 19138 if (args.isFwdLocked()) { 19139 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19140 } 19141 19142 synchronized (mInstallLock) { 19143 PackageParser.Package pkg = null; 19144 try { 19145 // Sadly we don't know the package name yet to freeze it 19146 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19147 SCAN_IGNORE_FROZEN, 0, null); 19148 } catch (PackageManagerException e) { 19149 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19150 } 19151 // Scan the package 19152 if (pkg != null) { 19153 /* 19154 * TODO why is the lock being held? doPostInstall is 19155 * called in other places without the lock. This needs 19156 * to be straightened out. 19157 */ 19158 // writer 19159 synchronized (mPackages) { 19160 retCode = PackageManager.INSTALL_SUCCEEDED; 19161 pkgList.add(pkg.packageName); 19162 // Post process args 19163 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19164 pkg.applicationInfo.uid); 19165 } 19166 } else { 19167 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19168 } 19169 } 19170 19171 } finally { 19172 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19173 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19174 } 19175 } 19176 } 19177 // writer 19178 synchronized (mPackages) { 19179 // If the platform SDK has changed since the last time we booted, 19180 // we need to re-grant app permission to catch any new ones that 19181 // appear. This is really a hack, and means that apps can in some 19182 // cases get permissions that the user didn't initially explicitly 19183 // allow... it would be nice to have some better way to handle 19184 // this situation. 19185 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19186 : mSettings.getInternalVersion(); 19187 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19188 : StorageManager.UUID_PRIVATE_INTERNAL; 19189 19190 int updateFlags = UPDATE_PERMISSIONS_ALL; 19191 if (ver.sdkVersion != mSdkVersion) { 19192 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19193 + mSdkVersion + "; regranting permissions for external"); 19194 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19195 } 19196 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19197 19198 // Yay, everything is now upgraded 19199 ver.forceCurrent(); 19200 19201 // can downgrade to reader 19202 // Persist settings 19203 mSettings.writeLPr(); 19204 } 19205 // Send a broadcast to let everyone know we are done processing 19206 if (pkgList.size() > 0) { 19207 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19208 } 19209 } 19210 19211 /* 19212 * Utility method to unload a list of specified containers 19213 */ 19214 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19215 // Just unmount all valid containers. 19216 for (AsecInstallArgs arg : cidArgs) { 19217 synchronized (mInstallLock) { 19218 arg.doPostDeleteLI(false); 19219 } 19220 } 19221 } 19222 19223 /* 19224 * Unload packages mounted on external media. This involves deleting package 19225 * data from internal structures, sending broadcasts about disabled packages, 19226 * gc'ing to free up references, unmounting all secure containers 19227 * corresponding to packages on external media, and posting a 19228 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19229 * that we always have to post this message if status has been requested no 19230 * matter what. 19231 */ 19232 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19233 final boolean reportStatus) { 19234 if (DEBUG_SD_INSTALL) 19235 Log.i(TAG, "unloading media packages"); 19236 ArrayList<String> pkgList = new ArrayList<String>(); 19237 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19238 final Set<AsecInstallArgs> keys = processCids.keySet(); 19239 for (AsecInstallArgs args : keys) { 19240 String pkgName = args.getPackageName(); 19241 if (DEBUG_SD_INSTALL) 19242 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19243 // Delete package internally 19244 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19245 synchronized (mInstallLock) { 19246 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19247 final boolean res; 19248 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19249 "unloadMediaPackages")) { 19250 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19251 null); 19252 } 19253 if (res) { 19254 pkgList.add(pkgName); 19255 } else { 19256 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19257 failedList.add(args); 19258 } 19259 } 19260 } 19261 19262 // reader 19263 synchronized (mPackages) { 19264 // We didn't update the settings after removing each package; 19265 // write them now for all packages. 19266 mSettings.writeLPr(); 19267 } 19268 19269 // We have to absolutely send UPDATED_MEDIA_STATUS only 19270 // after confirming that all the receivers processed the ordered 19271 // broadcast when packages get disabled, force a gc to clean things up. 19272 // and unload all the containers. 19273 if (pkgList.size() > 0) { 19274 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19275 new IIntentReceiver.Stub() { 19276 public void performReceive(Intent intent, int resultCode, String data, 19277 Bundle extras, boolean ordered, boolean sticky, 19278 int sendingUser) throws RemoteException { 19279 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19280 reportStatus ? 1 : 0, 1, keys); 19281 mHandler.sendMessage(msg); 19282 } 19283 }); 19284 } else { 19285 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19286 keys); 19287 mHandler.sendMessage(msg); 19288 } 19289 } 19290 19291 private void loadPrivatePackages(final VolumeInfo vol) { 19292 mHandler.post(new Runnable() { 19293 @Override 19294 public void run() { 19295 loadPrivatePackagesInner(vol); 19296 } 19297 }); 19298 } 19299 19300 private void loadPrivatePackagesInner(VolumeInfo vol) { 19301 final String volumeUuid = vol.fsUuid; 19302 if (TextUtils.isEmpty(volumeUuid)) { 19303 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19304 return; 19305 } 19306 19307 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19308 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19309 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19310 19311 final VersionInfo ver; 19312 final List<PackageSetting> packages; 19313 synchronized (mPackages) { 19314 ver = mSettings.findOrCreateVersion(volumeUuid); 19315 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19316 } 19317 19318 for (PackageSetting ps : packages) { 19319 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19320 synchronized (mInstallLock) { 19321 final PackageParser.Package pkg; 19322 try { 19323 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19324 loaded.add(pkg.applicationInfo); 19325 19326 } catch (PackageManagerException e) { 19327 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19328 } 19329 19330 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19331 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19332 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19333 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19334 } 19335 } 19336 } 19337 19338 // Reconcile app data for all started/unlocked users 19339 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19340 final UserManager um = mContext.getSystemService(UserManager.class); 19341 UserManagerInternal umInternal = getUserManagerInternal(); 19342 for (UserInfo user : um.getUsers()) { 19343 final int flags; 19344 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19345 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19346 } else if (umInternal.isUserRunning(user.id)) { 19347 flags = StorageManager.FLAG_STORAGE_DE; 19348 } else { 19349 continue; 19350 } 19351 19352 try { 19353 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19354 synchronized (mInstallLock) { 19355 reconcileAppsDataLI(volumeUuid, user.id, flags); 19356 } 19357 } catch (IllegalStateException e) { 19358 // Device was probably ejected, and we'll process that event momentarily 19359 Slog.w(TAG, "Failed to prepare storage: " + e); 19360 } 19361 } 19362 19363 synchronized (mPackages) { 19364 int updateFlags = UPDATE_PERMISSIONS_ALL; 19365 if (ver.sdkVersion != mSdkVersion) { 19366 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19367 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19368 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19369 } 19370 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19371 19372 // Yay, everything is now upgraded 19373 ver.forceCurrent(); 19374 19375 mSettings.writeLPr(); 19376 } 19377 19378 for (PackageFreezer freezer : freezers) { 19379 freezer.close(); 19380 } 19381 19382 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19383 sendResourcesChangedBroadcast(true, false, loaded, null); 19384 } 19385 19386 private void unloadPrivatePackages(final VolumeInfo vol) { 19387 mHandler.post(new Runnable() { 19388 @Override 19389 public void run() { 19390 unloadPrivatePackagesInner(vol); 19391 } 19392 }); 19393 } 19394 19395 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19396 final String volumeUuid = vol.fsUuid; 19397 if (TextUtils.isEmpty(volumeUuid)) { 19398 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19399 return; 19400 } 19401 19402 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19403 synchronized (mInstallLock) { 19404 synchronized (mPackages) { 19405 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19406 for (PackageSetting ps : packages) { 19407 if (ps.pkg == null) continue; 19408 19409 final ApplicationInfo info = ps.pkg.applicationInfo; 19410 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19411 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19412 19413 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19414 "unloadPrivatePackagesInner")) { 19415 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19416 false, null)) { 19417 unloaded.add(info); 19418 } else { 19419 Slog.w(TAG, "Failed to unload " + ps.codePath); 19420 } 19421 } 19422 19423 // Try very hard to release any references to this package 19424 // so we don't risk the system server being killed due to 19425 // open FDs 19426 AttributeCache.instance().removePackage(ps.name); 19427 } 19428 19429 mSettings.writeLPr(); 19430 } 19431 } 19432 19433 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19434 sendResourcesChangedBroadcast(false, false, unloaded, null); 19435 19436 // Try very hard to release any references to this path so we don't risk 19437 // the system server being killed due to open FDs 19438 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19439 19440 for (int i = 0; i < 3; i++) { 19441 System.gc(); 19442 System.runFinalization(); 19443 } 19444 } 19445 19446 /** 19447 * Prepare storage areas for given user on all mounted devices. 19448 */ 19449 void prepareUserData(int userId, int userSerial, int flags) { 19450 synchronized (mInstallLock) { 19451 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19452 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19453 final String volumeUuid = vol.getFsUuid(); 19454 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19455 } 19456 } 19457 } 19458 19459 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19460 boolean allowRecover) { 19461 // Prepare storage and verify that serial numbers are consistent; if 19462 // there's a mismatch we need to destroy to avoid leaking data 19463 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19464 try { 19465 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19466 19467 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19468 UserManagerService.enforceSerialNumber( 19469 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19470 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19471 UserManagerService.enforceSerialNumber( 19472 Environment.getDataSystemDeDirectory(userId), userSerial); 19473 } 19474 } 19475 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19476 UserManagerService.enforceSerialNumber( 19477 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19478 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19479 UserManagerService.enforceSerialNumber( 19480 Environment.getDataSystemCeDirectory(userId), userSerial); 19481 } 19482 } 19483 19484 synchronized (mInstallLock) { 19485 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19486 } 19487 } catch (Exception e) { 19488 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19489 + " because we failed to prepare: " + e); 19490 destroyUserDataLI(volumeUuid, userId, 19491 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19492 19493 if (allowRecover) { 19494 // Try one last time; if we fail again we're really in trouble 19495 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19496 } 19497 } 19498 } 19499 19500 /** 19501 * Destroy storage areas for given user on all mounted devices. 19502 */ 19503 void destroyUserData(int userId, int flags) { 19504 synchronized (mInstallLock) { 19505 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19506 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19507 final String volumeUuid = vol.getFsUuid(); 19508 destroyUserDataLI(volumeUuid, userId, flags); 19509 } 19510 } 19511 } 19512 19513 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19514 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19515 try { 19516 // Clean up app data, profile data, and media data 19517 mInstaller.destroyUserData(volumeUuid, userId, flags); 19518 19519 // Clean up system data 19520 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19521 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19522 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19523 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19524 } 19525 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19526 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19527 } 19528 } 19529 19530 // Data with special labels is now gone, so finish the job 19531 storage.destroyUserStorage(volumeUuid, userId, flags); 19532 19533 } catch (Exception e) { 19534 logCriticalInfo(Log.WARN, 19535 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19536 } 19537 } 19538 19539 /** 19540 * Examine all users present on given mounted volume, and destroy data 19541 * belonging to users that are no longer valid, or whose user ID has been 19542 * recycled. 19543 */ 19544 private void reconcileUsers(String volumeUuid) { 19545 final List<File> files = new ArrayList<>(); 19546 Collections.addAll(files, FileUtils 19547 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19548 Collections.addAll(files, FileUtils 19549 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19550 Collections.addAll(files, FileUtils 19551 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19552 Collections.addAll(files, FileUtils 19553 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19554 for (File file : files) { 19555 if (!file.isDirectory()) continue; 19556 19557 final int userId; 19558 final UserInfo info; 19559 try { 19560 userId = Integer.parseInt(file.getName()); 19561 info = sUserManager.getUserInfo(userId); 19562 } catch (NumberFormatException e) { 19563 Slog.w(TAG, "Invalid user directory " + file); 19564 continue; 19565 } 19566 19567 boolean destroyUser = false; 19568 if (info == null) { 19569 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19570 + " because no matching user was found"); 19571 destroyUser = true; 19572 } else if (!mOnlyCore) { 19573 try { 19574 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19575 } catch (IOException e) { 19576 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19577 + " because we failed to enforce serial number: " + e); 19578 destroyUser = true; 19579 } 19580 } 19581 19582 if (destroyUser) { 19583 synchronized (mInstallLock) { 19584 destroyUserDataLI(volumeUuid, userId, 19585 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19586 } 19587 } 19588 } 19589 } 19590 19591 private void assertPackageKnown(String volumeUuid, String packageName) 19592 throws PackageManagerException { 19593 synchronized (mPackages) { 19594 final PackageSetting ps = mSettings.mPackages.get(packageName); 19595 if (ps == null) { 19596 throw new PackageManagerException("Package " + packageName + " is unknown"); 19597 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19598 throw new PackageManagerException( 19599 "Package " + packageName + " found on unknown volume " + volumeUuid 19600 + "; expected volume " + ps.volumeUuid); 19601 } 19602 } 19603 } 19604 19605 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19606 throws PackageManagerException { 19607 synchronized (mPackages) { 19608 final PackageSetting ps = mSettings.mPackages.get(packageName); 19609 if (ps == null) { 19610 throw new PackageManagerException("Package " + packageName + " is unknown"); 19611 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19612 throw new PackageManagerException( 19613 "Package " + packageName + " found on unknown volume " + volumeUuid 19614 + "; expected volume " + ps.volumeUuid); 19615 } else if (!ps.getInstalled(userId)) { 19616 throw new PackageManagerException( 19617 "Package " + packageName + " not installed for user " + userId); 19618 } 19619 } 19620 } 19621 19622 /** 19623 * Examine all apps present on given mounted volume, and destroy apps that 19624 * aren't expected, either due to uninstallation or reinstallation on 19625 * another volume. 19626 */ 19627 private void reconcileApps(String volumeUuid) { 19628 final File[] files = FileUtils 19629 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19630 for (File file : files) { 19631 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19632 && !PackageInstallerService.isStageName(file.getName()); 19633 if (!isPackage) { 19634 // Ignore entries which are not packages 19635 continue; 19636 } 19637 19638 try { 19639 final PackageLite pkg = PackageParser.parsePackageLite(file, 19640 PackageParser.PARSE_MUST_BE_APK); 19641 assertPackageKnown(volumeUuid, pkg.packageName); 19642 19643 } catch (PackageParserException | PackageManagerException e) { 19644 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19645 synchronized (mInstallLock) { 19646 removeCodePathLI(file); 19647 } 19648 } 19649 } 19650 } 19651 19652 /** 19653 * Reconcile all app data for the given user. 19654 * <p> 19655 * Verifies that directories exist and that ownership and labeling is 19656 * correct for all installed apps on all mounted volumes. 19657 */ 19658 void reconcileAppsData(int userId, int flags) { 19659 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19660 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19661 final String volumeUuid = vol.getFsUuid(); 19662 synchronized (mInstallLock) { 19663 reconcileAppsDataLI(volumeUuid, userId, flags); 19664 } 19665 } 19666 } 19667 19668 /** 19669 * Reconcile all app data on given mounted volume. 19670 * <p> 19671 * Destroys app data that isn't expected, either due to uninstallation or 19672 * reinstallation on another volume. 19673 * <p> 19674 * Verifies that directories exist and that ownership and labeling is 19675 * correct for all installed apps. 19676 */ 19677 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19678 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19679 + Integer.toHexString(flags)); 19680 19681 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19682 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19683 19684 boolean restoreconNeeded = false; 19685 19686 // First look for stale data that doesn't belong, and check if things 19687 // have changed since we did our last restorecon 19688 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19689 if (StorageManager.isFileEncryptedNativeOrEmulated() 19690 && !StorageManager.isUserKeyUnlocked(userId)) { 19691 throw new RuntimeException( 19692 "Yikes, someone asked us to reconcile CE storage while " + userId 19693 + " was still locked; this would have caused massive data loss!"); 19694 } 19695 19696 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19697 19698 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19699 for (File file : files) { 19700 final String packageName = file.getName(); 19701 try { 19702 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19703 } catch (PackageManagerException e) { 19704 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19705 try { 19706 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19707 StorageManager.FLAG_STORAGE_CE, 0); 19708 } catch (InstallerException e2) { 19709 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19710 } 19711 } 19712 } 19713 } 19714 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19715 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19716 19717 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19718 for (File file : files) { 19719 final String packageName = file.getName(); 19720 try { 19721 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19722 } catch (PackageManagerException e) { 19723 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19724 try { 19725 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19726 StorageManager.FLAG_STORAGE_DE, 0); 19727 } catch (InstallerException e2) { 19728 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19729 } 19730 } 19731 } 19732 } 19733 19734 // Ensure that data directories are ready to roll for all packages 19735 // installed for this volume and user 19736 final List<PackageSetting> packages; 19737 synchronized (mPackages) { 19738 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19739 } 19740 int preparedCount = 0; 19741 for (PackageSetting ps : packages) { 19742 final String packageName = ps.name; 19743 if (ps.pkg == null) { 19744 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19745 // TODO: might be due to legacy ASEC apps; we should circle back 19746 // and reconcile again once they're scanned 19747 continue; 19748 } 19749 19750 if (ps.getInstalled(userId)) { 19751 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19752 19753 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19754 // We may have just shuffled around app data directories, so 19755 // prepare them one more time 19756 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19757 } 19758 19759 preparedCount++; 19760 } 19761 } 19762 19763 if (restoreconNeeded) { 19764 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19765 SELinuxMMAC.setRestoreconDone(ceDir); 19766 } 19767 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19768 SELinuxMMAC.setRestoreconDone(deDir); 19769 } 19770 } 19771 19772 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19773 + " packages; restoreconNeeded was " + restoreconNeeded); 19774 } 19775 19776 /** 19777 * Prepare app data for the given app just after it was installed or 19778 * upgraded. This method carefully only touches users that it's installed 19779 * for, and it forces a restorecon to handle any seinfo changes. 19780 * <p> 19781 * Verifies that directories exist and that ownership and labeling is 19782 * correct for all installed apps. If there is an ownership mismatch, it 19783 * will try recovering system apps by wiping data; third-party app data is 19784 * left intact. 19785 * <p> 19786 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19787 */ 19788 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19789 final PackageSetting ps; 19790 synchronized (mPackages) { 19791 ps = mSettings.mPackages.get(pkg.packageName); 19792 mSettings.writeKernelMappingLPr(ps); 19793 } 19794 19795 final UserManager um = mContext.getSystemService(UserManager.class); 19796 UserManagerInternal umInternal = getUserManagerInternal(); 19797 for (UserInfo user : um.getUsers()) { 19798 final int flags; 19799 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19800 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19801 } else if (umInternal.isUserRunning(user.id)) { 19802 flags = StorageManager.FLAG_STORAGE_DE; 19803 } else { 19804 continue; 19805 } 19806 19807 if (ps.getInstalled(user.id)) { 19808 // Whenever an app changes, force a restorecon of its data 19809 // TODO: when user data is locked, mark that we're still dirty 19810 prepareAppDataLIF(pkg, user.id, flags, true); 19811 } 19812 } 19813 } 19814 19815 /** 19816 * Prepare app data for the given app. 19817 * <p> 19818 * Verifies that directories exist and that ownership and labeling is 19819 * correct for all installed apps. If there is an ownership mismatch, this 19820 * will try recovering system apps by wiping data; third-party app data is 19821 * left intact. 19822 */ 19823 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19824 boolean restoreconNeeded) { 19825 if (pkg == null) { 19826 Slog.wtf(TAG, "Package was null!", new Throwable()); 19827 return; 19828 } 19829 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19830 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19831 for (int i = 0; i < childCount; i++) { 19832 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19833 } 19834 } 19835 19836 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19837 boolean restoreconNeeded) { 19838 if (DEBUG_APP_DATA) { 19839 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19840 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19841 } 19842 19843 final String volumeUuid = pkg.volumeUuid; 19844 final String packageName = pkg.packageName; 19845 final ApplicationInfo app = pkg.applicationInfo; 19846 final int appId = UserHandle.getAppId(app.uid); 19847 19848 Preconditions.checkNotNull(app.seinfo); 19849 19850 try { 19851 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19852 appId, app.seinfo, app.targetSdkVersion); 19853 } catch (InstallerException e) { 19854 if (app.isSystemApp()) { 19855 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19856 + ", but trying to recover: " + e); 19857 destroyAppDataLeafLIF(pkg, userId, flags); 19858 try { 19859 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19860 appId, app.seinfo, app.targetSdkVersion); 19861 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19862 } catch (InstallerException e2) { 19863 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19864 } 19865 } else { 19866 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19867 } 19868 } 19869 19870 if (restoreconNeeded) { 19871 try { 19872 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19873 app.seinfo); 19874 } catch (InstallerException e) { 19875 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19876 } 19877 } 19878 19879 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19880 try { 19881 // CE storage is unlocked right now, so read out the inode and 19882 // remember for use later when it's locked 19883 // TODO: mark this structure as dirty so we persist it! 19884 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19885 StorageManager.FLAG_STORAGE_CE); 19886 synchronized (mPackages) { 19887 final PackageSetting ps = mSettings.mPackages.get(packageName); 19888 if (ps != null) { 19889 ps.setCeDataInode(ceDataInode, userId); 19890 } 19891 } 19892 } catch (InstallerException e) { 19893 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19894 } 19895 } 19896 19897 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19898 } 19899 19900 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19901 if (pkg == null) { 19902 Slog.wtf(TAG, "Package was null!", new Throwable()); 19903 return; 19904 } 19905 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19906 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19907 for (int i = 0; i < childCount; i++) { 19908 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19909 } 19910 } 19911 19912 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19913 final String volumeUuid = pkg.volumeUuid; 19914 final String packageName = pkg.packageName; 19915 final ApplicationInfo app = pkg.applicationInfo; 19916 19917 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19918 // Create a native library symlink only if we have native libraries 19919 // and if the native libraries are 32 bit libraries. We do not provide 19920 // this symlink for 64 bit libraries. 19921 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19922 final String nativeLibPath = app.nativeLibraryDir; 19923 try { 19924 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19925 nativeLibPath, userId); 19926 } catch (InstallerException e) { 19927 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19928 } 19929 } 19930 } 19931 } 19932 19933 /** 19934 * For system apps on non-FBE devices, this method migrates any existing 19935 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19936 * requested by the app. 19937 */ 19938 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19939 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19940 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19941 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19942 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19943 try { 19944 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19945 storageTarget); 19946 } catch (InstallerException e) { 19947 logCriticalInfo(Log.WARN, 19948 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19949 } 19950 return true; 19951 } else { 19952 return false; 19953 } 19954 } 19955 19956 public PackageFreezer freezePackage(String packageName, String killReason) { 19957 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19958 } 19959 19960 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19961 return new PackageFreezer(packageName, userId, killReason); 19962 } 19963 19964 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19965 String killReason) { 19966 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19967 } 19968 19969 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19970 String killReason) { 19971 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19972 return new PackageFreezer(); 19973 } else { 19974 return freezePackage(packageName, userId, killReason); 19975 } 19976 } 19977 19978 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19979 String killReason) { 19980 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19981 } 19982 19983 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19984 String killReason) { 19985 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19986 return new PackageFreezer(); 19987 } else { 19988 return freezePackage(packageName, userId, killReason); 19989 } 19990 } 19991 19992 /** 19993 * Class that freezes and kills the given package upon creation, and 19994 * unfreezes it upon closing. This is typically used when doing surgery on 19995 * app code/data to prevent the app from running while you're working. 19996 */ 19997 private class PackageFreezer implements AutoCloseable { 19998 private final String mPackageName; 19999 private final PackageFreezer[] mChildren; 20000 20001 private final boolean mWeFroze; 20002 20003 private final AtomicBoolean mClosed = new AtomicBoolean(); 20004 private final CloseGuard mCloseGuard = CloseGuard.get(); 20005 20006 /** 20007 * Create and return a stub freezer that doesn't actually do anything, 20008 * typically used when someone requested 20009 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20010 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20011 */ 20012 public PackageFreezer() { 20013 mPackageName = null; 20014 mChildren = null; 20015 mWeFroze = false; 20016 mCloseGuard.open("close"); 20017 } 20018 20019 public PackageFreezer(String packageName, int userId, String killReason) { 20020 synchronized (mPackages) { 20021 mPackageName = packageName; 20022 mWeFroze = mFrozenPackages.add(mPackageName); 20023 20024 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20025 if (ps != null) { 20026 killApplication(ps.name, ps.appId, userId, killReason); 20027 } 20028 20029 final PackageParser.Package p = mPackages.get(packageName); 20030 if (p != null && p.childPackages != null) { 20031 final int N = p.childPackages.size(); 20032 mChildren = new PackageFreezer[N]; 20033 for (int i = 0; i < N; i++) { 20034 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20035 userId, killReason); 20036 } 20037 } else { 20038 mChildren = null; 20039 } 20040 } 20041 mCloseGuard.open("close"); 20042 } 20043 20044 @Override 20045 protected void finalize() throws Throwable { 20046 try { 20047 mCloseGuard.warnIfOpen(); 20048 close(); 20049 } finally { 20050 super.finalize(); 20051 } 20052 } 20053 20054 @Override 20055 public void close() { 20056 mCloseGuard.close(); 20057 if (mClosed.compareAndSet(false, true)) { 20058 synchronized (mPackages) { 20059 if (mWeFroze) { 20060 mFrozenPackages.remove(mPackageName); 20061 } 20062 20063 if (mChildren != null) { 20064 for (PackageFreezer freezer : mChildren) { 20065 freezer.close(); 20066 } 20067 } 20068 } 20069 } 20070 } 20071 } 20072 20073 /** 20074 * Verify that given package is currently frozen. 20075 */ 20076 private void checkPackageFrozen(String packageName) { 20077 synchronized (mPackages) { 20078 if (!mFrozenPackages.contains(packageName)) { 20079 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20080 } 20081 } 20082 } 20083 20084 @Override 20085 public int movePackage(final String packageName, final String volumeUuid) { 20086 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20087 20088 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20089 final int moveId = mNextMoveId.getAndIncrement(); 20090 mHandler.post(new Runnable() { 20091 @Override 20092 public void run() { 20093 try { 20094 movePackageInternal(packageName, volumeUuid, moveId, user); 20095 } catch (PackageManagerException e) { 20096 Slog.w(TAG, "Failed to move " + packageName, e); 20097 mMoveCallbacks.notifyStatusChanged(moveId, 20098 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20099 } 20100 } 20101 }); 20102 return moveId; 20103 } 20104 20105 private void movePackageInternal(final String packageName, final String volumeUuid, 20106 final int moveId, UserHandle user) throws PackageManagerException { 20107 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20108 final PackageManager pm = mContext.getPackageManager(); 20109 20110 final boolean currentAsec; 20111 final String currentVolumeUuid; 20112 final File codeFile; 20113 final String installerPackageName; 20114 final String packageAbiOverride; 20115 final int appId; 20116 final String seinfo; 20117 final String label; 20118 final int targetSdkVersion; 20119 final PackageFreezer freezer; 20120 final int[] installedUserIds; 20121 20122 // reader 20123 synchronized (mPackages) { 20124 final PackageParser.Package pkg = mPackages.get(packageName); 20125 final PackageSetting ps = mSettings.mPackages.get(packageName); 20126 if (pkg == null || ps == null) { 20127 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20128 } 20129 20130 if (pkg.applicationInfo.isSystemApp()) { 20131 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20132 "Cannot move system application"); 20133 } 20134 20135 if (pkg.applicationInfo.isExternalAsec()) { 20136 currentAsec = true; 20137 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20138 } else if (pkg.applicationInfo.isForwardLocked()) { 20139 currentAsec = true; 20140 currentVolumeUuid = "forward_locked"; 20141 } else { 20142 currentAsec = false; 20143 currentVolumeUuid = ps.volumeUuid; 20144 20145 final File probe = new File(pkg.codePath); 20146 final File probeOat = new File(probe, "oat"); 20147 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20148 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20149 "Move only supported for modern cluster style installs"); 20150 } 20151 } 20152 20153 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20154 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20155 "Package already moved to " + volumeUuid); 20156 } 20157 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20158 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20159 "Device admin cannot be moved"); 20160 } 20161 20162 if (mFrozenPackages.contains(packageName)) { 20163 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20164 "Failed to move already frozen package"); 20165 } 20166 20167 codeFile = new File(pkg.codePath); 20168 installerPackageName = ps.installerPackageName; 20169 packageAbiOverride = ps.cpuAbiOverrideString; 20170 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20171 seinfo = pkg.applicationInfo.seinfo; 20172 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20173 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20174 freezer = freezePackage(packageName, "movePackageInternal"); 20175 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20176 } 20177 20178 final Bundle extras = new Bundle(); 20179 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20180 extras.putString(Intent.EXTRA_TITLE, label); 20181 mMoveCallbacks.notifyCreated(moveId, extras); 20182 20183 int installFlags; 20184 final boolean moveCompleteApp; 20185 final File measurePath; 20186 20187 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20188 installFlags = INSTALL_INTERNAL; 20189 moveCompleteApp = !currentAsec; 20190 measurePath = Environment.getDataAppDirectory(volumeUuid); 20191 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20192 installFlags = INSTALL_EXTERNAL; 20193 moveCompleteApp = false; 20194 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20195 } else { 20196 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20197 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20198 || !volume.isMountedWritable()) { 20199 freezer.close(); 20200 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20201 "Move location not mounted private volume"); 20202 } 20203 20204 Preconditions.checkState(!currentAsec); 20205 20206 installFlags = INSTALL_INTERNAL; 20207 moveCompleteApp = true; 20208 measurePath = Environment.getDataAppDirectory(volumeUuid); 20209 } 20210 20211 final PackageStats stats = new PackageStats(null, -1); 20212 synchronized (mInstaller) { 20213 for (int userId : installedUserIds) { 20214 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20215 freezer.close(); 20216 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20217 "Failed to measure package size"); 20218 } 20219 } 20220 } 20221 20222 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20223 + stats.dataSize); 20224 20225 final long startFreeBytes = measurePath.getFreeSpace(); 20226 final long sizeBytes; 20227 if (moveCompleteApp) { 20228 sizeBytes = stats.codeSize + stats.dataSize; 20229 } else { 20230 sizeBytes = stats.codeSize; 20231 } 20232 20233 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20234 freezer.close(); 20235 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20236 "Not enough free space to move"); 20237 } 20238 20239 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20240 20241 final CountDownLatch installedLatch = new CountDownLatch(1); 20242 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20243 @Override 20244 public void onUserActionRequired(Intent intent) throws RemoteException { 20245 throw new IllegalStateException(); 20246 } 20247 20248 @Override 20249 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20250 Bundle extras) throws RemoteException { 20251 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20252 + PackageManager.installStatusToString(returnCode, msg)); 20253 20254 installedLatch.countDown(); 20255 freezer.close(); 20256 20257 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20258 switch (status) { 20259 case PackageInstaller.STATUS_SUCCESS: 20260 mMoveCallbacks.notifyStatusChanged(moveId, 20261 PackageManager.MOVE_SUCCEEDED); 20262 break; 20263 case PackageInstaller.STATUS_FAILURE_STORAGE: 20264 mMoveCallbacks.notifyStatusChanged(moveId, 20265 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20266 break; 20267 default: 20268 mMoveCallbacks.notifyStatusChanged(moveId, 20269 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20270 break; 20271 } 20272 } 20273 }; 20274 20275 final MoveInfo move; 20276 if (moveCompleteApp) { 20277 // Kick off a thread to report progress estimates 20278 new Thread() { 20279 @Override 20280 public void run() { 20281 while (true) { 20282 try { 20283 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20284 break; 20285 } 20286 } catch (InterruptedException ignored) { 20287 } 20288 20289 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20290 final int progress = 10 + (int) MathUtils.constrain( 20291 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20292 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20293 } 20294 } 20295 }.start(); 20296 20297 final String dataAppName = codeFile.getName(); 20298 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20299 dataAppName, appId, seinfo, targetSdkVersion); 20300 } else { 20301 move = null; 20302 } 20303 20304 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20305 20306 final Message msg = mHandler.obtainMessage(INIT_COPY); 20307 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20308 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20309 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20310 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20311 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20312 msg.obj = params; 20313 20314 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20315 System.identityHashCode(msg.obj)); 20316 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20317 System.identityHashCode(msg.obj)); 20318 20319 mHandler.sendMessage(msg); 20320 } 20321 20322 @Override 20323 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20324 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20325 20326 final int realMoveId = mNextMoveId.getAndIncrement(); 20327 final Bundle extras = new Bundle(); 20328 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20329 mMoveCallbacks.notifyCreated(realMoveId, extras); 20330 20331 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20332 @Override 20333 public void onCreated(int moveId, Bundle extras) { 20334 // Ignored 20335 } 20336 20337 @Override 20338 public void onStatusChanged(int moveId, int status, long estMillis) { 20339 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20340 } 20341 }; 20342 20343 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20344 storage.setPrimaryStorageUuid(volumeUuid, callback); 20345 return realMoveId; 20346 } 20347 20348 @Override 20349 public int getMoveStatus(int moveId) { 20350 mContext.enforceCallingOrSelfPermission( 20351 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20352 return mMoveCallbacks.mLastStatus.get(moveId); 20353 } 20354 20355 @Override 20356 public void registerMoveCallback(IPackageMoveObserver callback) { 20357 mContext.enforceCallingOrSelfPermission( 20358 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20359 mMoveCallbacks.register(callback); 20360 } 20361 20362 @Override 20363 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20364 mContext.enforceCallingOrSelfPermission( 20365 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20366 mMoveCallbacks.unregister(callback); 20367 } 20368 20369 @Override 20370 public boolean setInstallLocation(int loc) { 20371 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20372 null); 20373 if (getInstallLocation() == loc) { 20374 return true; 20375 } 20376 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20377 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20378 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20379 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20380 return true; 20381 } 20382 return false; 20383 } 20384 20385 @Override 20386 public int getInstallLocation() { 20387 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20388 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20389 PackageHelper.APP_INSTALL_AUTO); 20390 } 20391 20392 /** Called by UserManagerService */ 20393 void cleanUpUser(UserManagerService userManager, int userHandle) { 20394 synchronized (mPackages) { 20395 mDirtyUsers.remove(userHandle); 20396 mUserNeedsBadging.delete(userHandle); 20397 mSettings.removeUserLPw(userHandle); 20398 mPendingBroadcasts.remove(userHandle); 20399 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20400 removeUnusedPackagesLPw(userManager, userHandle); 20401 } 20402 } 20403 20404 /** 20405 * We're removing userHandle and would like to remove any downloaded packages 20406 * that are no longer in use by any other user. 20407 * @param userHandle the user being removed 20408 */ 20409 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20410 final boolean DEBUG_CLEAN_APKS = false; 20411 int [] users = userManager.getUserIds(); 20412 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20413 while (psit.hasNext()) { 20414 PackageSetting ps = psit.next(); 20415 if (ps.pkg == null) { 20416 continue; 20417 } 20418 final String packageName = ps.pkg.packageName; 20419 // Skip over if system app 20420 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20421 continue; 20422 } 20423 if (DEBUG_CLEAN_APKS) { 20424 Slog.i(TAG, "Checking package " + packageName); 20425 } 20426 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20427 if (keep) { 20428 if (DEBUG_CLEAN_APKS) { 20429 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20430 } 20431 } else { 20432 for (int i = 0; i < users.length; i++) { 20433 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20434 keep = true; 20435 if (DEBUG_CLEAN_APKS) { 20436 Slog.i(TAG, " Keeping package " + packageName + " for user " 20437 + users[i]); 20438 } 20439 break; 20440 } 20441 } 20442 } 20443 if (!keep) { 20444 if (DEBUG_CLEAN_APKS) { 20445 Slog.i(TAG, " Removing package " + packageName); 20446 } 20447 mHandler.post(new Runnable() { 20448 public void run() { 20449 deletePackageX(packageName, userHandle, 0); 20450 } //end run 20451 }); 20452 } 20453 } 20454 } 20455 20456 /** Called by UserManagerService */ 20457 void createNewUser(int userId) { 20458 synchronized (mInstallLock) { 20459 mSettings.createNewUserLI(this, mInstaller, userId); 20460 } 20461 synchronized (mPackages) { 20462 scheduleWritePackageRestrictionsLocked(userId); 20463 scheduleWritePackageListLocked(userId); 20464 applyFactoryDefaultBrowserLPw(userId); 20465 primeDomainVerificationsLPw(userId); 20466 } 20467 } 20468 20469 void onNewUserCreated(final int userId) { 20470 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20471 // If permission review for legacy apps is required, we represent 20472 // dagerous permissions for such apps as always granted runtime 20473 // permissions to keep per user flag state whether review is needed. 20474 // Hence, if a new user is added we have to propagate dangerous 20475 // permission grants for these legacy apps. 20476 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20477 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20478 | UPDATE_PERMISSIONS_REPLACE_ALL); 20479 } 20480 } 20481 20482 @Override 20483 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20484 mContext.enforceCallingOrSelfPermission( 20485 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20486 "Only package verification agents can read the verifier device identity"); 20487 20488 synchronized (mPackages) { 20489 return mSettings.getVerifierDeviceIdentityLPw(); 20490 } 20491 } 20492 20493 @Override 20494 public void setPermissionEnforced(String permission, boolean enforced) { 20495 // TODO: Now that we no longer change GID for storage, this should to away. 20496 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20497 "setPermissionEnforced"); 20498 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20499 synchronized (mPackages) { 20500 if (mSettings.mReadExternalStorageEnforced == null 20501 || mSettings.mReadExternalStorageEnforced != enforced) { 20502 mSettings.mReadExternalStorageEnforced = enforced; 20503 mSettings.writeLPr(); 20504 } 20505 } 20506 // kill any non-foreground processes so we restart them and 20507 // grant/revoke the GID. 20508 final IActivityManager am = ActivityManagerNative.getDefault(); 20509 if (am != null) { 20510 final long token = Binder.clearCallingIdentity(); 20511 try { 20512 am.killProcessesBelowForeground("setPermissionEnforcement"); 20513 } catch (RemoteException e) { 20514 } finally { 20515 Binder.restoreCallingIdentity(token); 20516 } 20517 } 20518 } else { 20519 throw new IllegalArgumentException("No selective enforcement for " + permission); 20520 } 20521 } 20522 20523 @Override 20524 @Deprecated 20525 public boolean isPermissionEnforced(String permission) { 20526 return true; 20527 } 20528 20529 @Override 20530 public boolean isStorageLow() { 20531 final long token = Binder.clearCallingIdentity(); 20532 try { 20533 final DeviceStorageMonitorInternal 20534 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20535 if (dsm != null) { 20536 return dsm.isMemoryLow(); 20537 } else { 20538 return false; 20539 } 20540 } finally { 20541 Binder.restoreCallingIdentity(token); 20542 } 20543 } 20544 20545 @Override 20546 public IPackageInstaller getPackageInstaller() { 20547 return mInstallerService; 20548 } 20549 20550 private boolean userNeedsBadging(int userId) { 20551 int index = mUserNeedsBadging.indexOfKey(userId); 20552 if (index < 0) { 20553 final UserInfo userInfo; 20554 final long token = Binder.clearCallingIdentity(); 20555 try { 20556 userInfo = sUserManager.getUserInfo(userId); 20557 } finally { 20558 Binder.restoreCallingIdentity(token); 20559 } 20560 final boolean b; 20561 if (userInfo != null && userInfo.isManagedProfile()) { 20562 b = true; 20563 } else { 20564 b = false; 20565 } 20566 mUserNeedsBadging.put(userId, b); 20567 return b; 20568 } 20569 return mUserNeedsBadging.valueAt(index); 20570 } 20571 20572 @Override 20573 public KeySet getKeySetByAlias(String packageName, String alias) { 20574 if (packageName == null || alias == null) { 20575 return null; 20576 } 20577 synchronized(mPackages) { 20578 final PackageParser.Package pkg = mPackages.get(packageName); 20579 if (pkg == null) { 20580 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20581 throw new IllegalArgumentException("Unknown package: " + packageName); 20582 } 20583 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20584 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20585 } 20586 } 20587 20588 @Override 20589 public KeySet getSigningKeySet(String packageName) { 20590 if (packageName == null) { 20591 return null; 20592 } 20593 synchronized(mPackages) { 20594 final PackageParser.Package pkg = mPackages.get(packageName); 20595 if (pkg == null) { 20596 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20597 throw new IllegalArgumentException("Unknown package: " + packageName); 20598 } 20599 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20600 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20601 throw new SecurityException("May not access signing KeySet of other apps."); 20602 } 20603 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20604 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20605 } 20606 } 20607 20608 @Override 20609 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20610 if (packageName == null || ks == null) { 20611 return false; 20612 } 20613 synchronized(mPackages) { 20614 final PackageParser.Package pkg = mPackages.get(packageName); 20615 if (pkg == null) { 20616 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20617 throw new IllegalArgumentException("Unknown package: " + packageName); 20618 } 20619 IBinder ksh = ks.getToken(); 20620 if (ksh instanceof KeySetHandle) { 20621 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20622 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20623 } 20624 return false; 20625 } 20626 } 20627 20628 @Override 20629 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20630 if (packageName == null || ks == null) { 20631 return false; 20632 } 20633 synchronized(mPackages) { 20634 final PackageParser.Package pkg = mPackages.get(packageName); 20635 if (pkg == null) { 20636 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20637 throw new IllegalArgumentException("Unknown package: " + packageName); 20638 } 20639 IBinder ksh = ks.getToken(); 20640 if (ksh instanceof KeySetHandle) { 20641 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20642 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20643 } 20644 return false; 20645 } 20646 } 20647 20648 private void deletePackageIfUnusedLPr(final String packageName) { 20649 PackageSetting ps = mSettings.mPackages.get(packageName); 20650 if (ps == null) { 20651 return; 20652 } 20653 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20654 // TODO Implement atomic delete if package is unused 20655 // It is currently possible that the package will be deleted even if it is installed 20656 // after this method returns. 20657 mHandler.post(new Runnable() { 20658 public void run() { 20659 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20660 } 20661 }); 20662 } 20663 } 20664 20665 /** 20666 * Check and throw if the given before/after packages would be considered a 20667 * downgrade. 20668 */ 20669 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20670 throws PackageManagerException { 20671 if (after.versionCode < before.mVersionCode) { 20672 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20673 "Update version code " + after.versionCode + " is older than current " 20674 + before.mVersionCode); 20675 } else if (after.versionCode == before.mVersionCode) { 20676 if (after.baseRevisionCode < before.baseRevisionCode) { 20677 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20678 "Update base revision code " + after.baseRevisionCode 20679 + " is older than current " + before.baseRevisionCode); 20680 } 20681 20682 if (!ArrayUtils.isEmpty(after.splitNames)) { 20683 for (int i = 0; i < after.splitNames.length; i++) { 20684 final String splitName = after.splitNames[i]; 20685 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20686 if (j != -1) { 20687 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20688 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20689 "Update split " + splitName + " revision code " 20690 + after.splitRevisionCodes[i] + " is older than current " 20691 + before.splitRevisionCodes[j]); 20692 } 20693 } 20694 } 20695 } 20696 } 20697 } 20698 20699 private static class MoveCallbacks extends Handler { 20700 private static final int MSG_CREATED = 1; 20701 private static final int MSG_STATUS_CHANGED = 2; 20702 20703 private final RemoteCallbackList<IPackageMoveObserver> 20704 mCallbacks = new RemoteCallbackList<>(); 20705 20706 private final SparseIntArray mLastStatus = new SparseIntArray(); 20707 20708 public MoveCallbacks(Looper looper) { 20709 super(looper); 20710 } 20711 20712 public void register(IPackageMoveObserver callback) { 20713 mCallbacks.register(callback); 20714 } 20715 20716 public void unregister(IPackageMoveObserver callback) { 20717 mCallbacks.unregister(callback); 20718 } 20719 20720 @Override 20721 public void handleMessage(Message msg) { 20722 final SomeArgs args = (SomeArgs) msg.obj; 20723 final int n = mCallbacks.beginBroadcast(); 20724 for (int i = 0; i < n; i++) { 20725 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20726 try { 20727 invokeCallback(callback, msg.what, args); 20728 } catch (RemoteException ignored) { 20729 } 20730 } 20731 mCallbacks.finishBroadcast(); 20732 args.recycle(); 20733 } 20734 20735 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20736 throws RemoteException { 20737 switch (what) { 20738 case MSG_CREATED: { 20739 callback.onCreated(args.argi1, (Bundle) args.arg2); 20740 break; 20741 } 20742 case MSG_STATUS_CHANGED: { 20743 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20744 break; 20745 } 20746 } 20747 } 20748 20749 private void notifyCreated(int moveId, Bundle extras) { 20750 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20751 20752 final SomeArgs args = SomeArgs.obtain(); 20753 args.argi1 = moveId; 20754 args.arg2 = extras; 20755 obtainMessage(MSG_CREATED, args).sendToTarget(); 20756 } 20757 20758 private void notifyStatusChanged(int moveId, int status) { 20759 notifyStatusChanged(moveId, status, -1); 20760 } 20761 20762 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20763 Slog.v(TAG, "Move " + moveId + " status " + status); 20764 20765 final SomeArgs args = SomeArgs.obtain(); 20766 args.argi1 = moveId; 20767 args.argi2 = status; 20768 args.arg3 = estMillis; 20769 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20770 20771 synchronized (mLastStatus) { 20772 mLastStatus.put(moveId, status); 20773 } 20774 } 20775 } 20776 20777 private final static class OnPermissionChangeListeners extends Handler { 20778 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20779 20780 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20781 new RemoteCallbackList<>(); 20782 20783 public OnPermissionChangeListeners(Looper looper) { 20784 super(looper); 20785 } 20786 20787 @Override 20788 public void handleMessage(Message msg) { 20789 switch (msg.what) { 20790 case MSG_ON_PERMISSIONS_CHANGED: { 20791 final int uid = msg.arg1; 20792 handleOnPermissionsChanged(uid); 20793 } break; 20794 } 20795 } 20796 20797 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20798 mPermissionListeners.register(listener); 20799 20800 } 20801 20802 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20803 mPermissionListeners.unregister(listener); 20804 } 20805 20806 public void onPermissionsChanged(int uid) { 20807 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20808 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20809 } 20810 } 20811 20812 private void handleOnPermissionsChanged(int uid) { 20813 final int count = mPermissionListeners.beginBroadcast(); 20814 try { 20815 for (int i = 0; i < count; i++) { 20816 IOnPermissionsChangeListener callback = mPermissionListeners 20817 .getBroadcastItem(i); 20818 try { 20819 callback.onPermissionsChanged(uid); 20820 } catch (RemoteException e) { 20821 Log.e(TAG, "Permission listener is dead", e); 20822 } 20823 } 20824 } finally { 20825 mPermissionListeners.finishBroadcast(); 20826 } 20827 } 20828 } 20829 20830 private class PackageManagerInternalImpl extends PackageManagerInternal { 20831 @Override 20832 public void setLocationPackagesProvider(PackagesProvider provider) { 20833 synchronized (mPackages) { 20834 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20835 } 20836 } 20837 20838 @Override 20839 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20840 synchronized (mPackages) { 20841 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20842 } 20843 } 20844 20845 @Override 20846 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20847 synchronized (mPackages) { 20848 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20849 } 20850 } 20851 20852 @Override 20853 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20854 synchronized (mPackages) { 20855 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20856 } 20857 } 20858 20859 @Override 20860 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20861 synchronized (mPackages) { 20862 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20863 } 20864 } 20865 20866 @Override 20867 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20868 synchronized (mPackages) { 20869 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20870 } 20871 } 20872 20873 @Override 20874 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20875 synchronized (mPackages) { 20876 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20877 packageName, userId); 20878 } 20879 } 20880 20881 @Override 20882 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20883 synchronized (mPackages) { 20884 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20885 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20886 packageName, userId); 20887 } 20888 } 20889 20890 @Override 20891 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20892 synchronized (mPackages) { 20893 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20894 packageName, userId); 20895 } 20896 } 20897 20898 @Override 20899 public void setKeepUninstalledPackages(final List<String> packageList) { 20900 Preconditions.checkNotNull(packageList); 20901 List<String> removedFromList = null; 20902 synchronized (mPackages) { 20903 if (mKeepUninstalledPackages != null) { 20904 final int packagesCount = mKeepUninstalledPackages.size(); 20905 for (int i = 0; i < packagesCount; i++) { 20906 String oldPackage = mKeepUninstalledPackages.get(i); 20907 if (packageList != null && packageList.contains(oldPackage)) { 20908 continue; 20909 } 20910 if (removedFromList == null) { 20911 removedFromList = new ArrayList<>(); 20912 } 20913 removedFromList.add(oldPackage); 20914 } 20915 } 20916 mKeepUninstalledPackages = new ArrayList<>(packageList); 20917 if (removedFromList != null) { 20918 final int removedCount = removedFromList.size(); 20919 for (int i = 0; i < removedCount; i++) { 20920 deletePackageIfUnusedLPr(removedFromList.get(i)); 20921 } 20922 } 20923 } 20924 } 20925 20926 @Override 20927 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20928 synchronized (mPackages) { 20929 // If we do not support permission review, done. 20930 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20931 return false; 20932 } 20933 20934 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20935 if (packageSetting == null) { 20936 return false; 20937 } 20938 20939 // Permission review applies only to apps not supporting the new permission model. 20940 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20941 return false; 20942 } 20943 20944 // Legacy apps have the permission and get user consent on launch. 20945 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20946 return permissionsState.isPermissionReviewRequired(userId); 20947 } 20948 } 20949 20950 @Override 20951 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20952 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20953 } 20954 20955 @Override 20956 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20957 int userId) { 20958 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20959 } 20960 20961 @Override 20962 public void setDeviceAndProfileOwnerPackages( 20963 int deviceOwnerUserId, String deviceOwnerPackage, 20964 SparseArray<String> profileOwnerPackages) { 20965 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20966 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20967 } 20968 20969 @Override 20970 public boolean isPackageDataProtected(int userId, String packageName) { 20971 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20972 } 20973 } 20974 20975 @Override 20976 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20977 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20978 synchronized (mPackages) { 20979 final long identity = Binder.clearCallingIdentity(); 20980 try { 20981 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20982 packageNames, userId); 20983 } finally { 20984 Binder.restoreCallingIdentity(identity); 20985 } 20986 } 20987 } 20988 20989 private static void enforceSystemOrPhoneCaller(String tag) { 20990 int callingUid = Binder.getCallingUid(); 20991 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20992 throw new SecurityException( 20993 "Cannot call " + tag + " from UID " + callingUid); 20994 } 20995 } 20996 20997 boolean isHistoricalPackageUsageAvailable() { 20998 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20999 } 21000 21001 /** 21002 * Return a <b>copy</b> of the collection of packages known to the package manager. 21003 * @return A copy of the values of mPackages. 21004 */ 21005 Collection<PackageParser.Package> getPackages() { 21006 synchronized (mPackages) { 21007 return new ArrayList<>(mPackages.values()); 21008 } 21009 } 21010 21011 /** 21012 * Logs process start information (including base APK hash) to the security log. 21013 * @hide 21014 */ 21015 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21016 String apkFile, int pid) { 21017 if (!SecurityLog.isLoggingEnabled()) { 21018 return; 21019 } 21020 Bundle data = new Bundle(); 21021 data.putLong("startTimestamp", System.currentTimeMillis()); 21022 data.putString("processName", processName); 21023 data.putInt("uid", uid); 21024 data.putString("seinfo", seinfo); 21025 data.putString("apkFile", apkFile); 21026 data.putInt("pid", pid); 21027 Message msg = mProcessLoggingHandler.obtainMessage( 21028 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21029 msg.setData(data); 21030 mProcessLoggingHandler.sendMessage(msg); 21031 } 21032 21033 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21034 return mCompilerStats.getPackageStats(pkgName); 21035 } 21036 21037 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21038 return getOrCreateCompilerPackageStats(pkg.packageName); 21039 } 21040 21041 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21042 return mCompilerStats.getOrCreatePackageStats(pkgName); 21043 } 21044 21045 public void deleteCompilerPackageStats(String pkgName) { 21046 mCompilerStats.deletePackageStats(pkgName); 21047 } 21048} 21049