PackageManagerService.java revision 8e2d9d1d9050e93b15c54e992698325c7d4aa57c
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 80import static android.system.OsConstants.O_CREAT; 81import static android.system.OsConstants.O_RDWR; 82 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 85import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 86import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 87import static com.android.internal.util.ArrayUtils.appendInt; 88import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 89import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 92import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 93import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 100 101import android.Manifest; 102import android.annotation.NonNull; 103import android.annotation.Nullable; 104import android.annotation.UserIdInt; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.ResourcesManager; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 128import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 129import android.content.pm.FeatureInfo; 130import android.content.pm.IOnPermissionsChangeListener; 131import android.content.pm.IPackageDataObserver; 132import android.content.pm.IPackageDeleteObserver; 133import android.content.pm.IPackageDeleteObserver2; 134import android.content.pm.IPackageInstallObserver2; 135import android.content.pm.IPackageInstaller; 136import android.content.pm.IPackageManager; 137import android.content.pm.IPackageMoveObserver; 138import android.content.pm.IPackageStatsObserver; 139import android.content.pm.InstrumentationInfo; 140import android.content.pm.IntentFilterVerificationInfo; 141import android.content.pm.KeySet; 142import android.content.pm.PackageCleanItem; 143import android.content.pm.PackageInfo; 144import android.content.pm.PackageInfoLite; 145import android.content.pm.PackageInstaller; 146import android.content.pm.PackageManager; 147import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 148import android.content.pm.PackageManagerInternal; 149import android.content.pm.PackageParser; 150import android.content.pm.PackageParser.ActivityIntentInfo; 151import android.content.pm.PackageParser.PackageLite; 152import android.content.pm.PackageParser.PackageParserException; 153import android.content.pm.PackageStats; 154import android.content.pm.PackageUserState; 155import android.content.pm.ParceledListSlice; 156import android.content.pm.PermissionGroupInfo; 157import android.content.pm.PermissionInfo; 158import android.content.pm.ProviderInfo; 159import android.content.pm.ResolveInfo; 160import android.content.pm.ServiceInfo; 161import android.content.pm.Signature; 162import android.content.pm.UserInfo; 163import android.content.pm.VerifierDeviceIdentity; 164import android.content.pm.VerifierInfo; 165import android.content.res.Resources; 166import android.graphics.Bitmap; 167import android.hardware.display.DisplayManager; 168import android.net.Uri; 169import android.os.Binder; 170import android.os.Build; 171import android.os.Bundle; 172import android.os.Debug; 173import android.os.Environment; 174import android.os.Environment.UserEnvironment; 175import android.os.FileUtils; 176import android.os.Handler; 177import android.os.IBinder; 178import android.os.Looper; 179import android.os.Message; 180import android.os.Parcel; 181import android.os.ParcelFileDescriptor; 182import android.os.PatternMatcher; 183import android.os.Process; 184import android.os.RemoteCallbackList; 185import android.os.RemoteException; 186import android.os.ResultReceiver; 187import android.os.SELinux; 188import android.os.ServiceManager; 189import android.os.SystemClock; 190import android.os.SystemProperties; 191import android.os.Trace; 192import android.os.UserHandle; 193import android.os.UserManager; 194import android.os.UserManagerInternal; 195import android.os.storage.IMountService; 196import android.os.storage.MountServiceInternal; 197import android.os.storage.StorageEventListener; 198import android.os.storage.StorageManager; 199import android.os.storage.VolumeInfo; 200import android.os.storage.VolumeRecord; 201import android.provider.Settings.Global; 202import android.security.KeyStore; 203import android.security.SystemKeyStore; 204import android.system.ErrnoException; 205import android.system.Os; 206import android.text.TextUtils; 207import android.text.format.DateUtils; 208import android.util.ArrayMap; 209import android.util.ArraySet; 210import android.util.DisplayMetrics; 211import android.util.EventLog; 212import android.util.ExceptionUtils; 213import android.util.Log; 214import android.util.LogPrinter; 215import android.util.MathUtils; 216import android.util.PrintStreamPrinter; 217import android.util.Slog; 218import android.util.SparseArray; 219import android.util.SparseBooleanArray; 220import android.util.SparseIntArray; 221import android.util.Xml; 222import android.util.jar.StrictJarFile; 223import android.view.Display; 224 225import com.android.internal.R; 226import com.android.internal.annotations.GuardedBy; 227import com.android.internal.app.IMediaContainerService; 228import com.android.internal.app.ResolverActivity; 229import com.android.internal.content.NativeLibraryHelper; 230import com.android.internal.content.PackageHelper; 231import com.android.internal.logging.MetricsLogger; 232import com.android.internal.os.IParcelFileDescriptorFactory; 233import com.android.internal.os.InstallerConnection.InstallerException; 234import com.android.internal.os.SomeArgs; 235import com.android.internal.os.Zygote; 236import com.android.internal.telephony.CarrierAppUtils; 237import com.android.internal.util.ArrayUtils; 238import com.android.internal.util.FastPrintWriter; 239import com.android.internal.util.FastXmlSerializer; 240import com.android.internal.util.IndentingPrintWriter; 241import com.android.internal.util.Preconditions; 242import com.android.internal.util.XmlUtils; 243import com.android.server.AttributeCache; 244import com.android.server.EventLogTags; 245import com.android.server.FgThread; 246import com.android.server.IntentResolver; 247import com.android.server.LocalServices; 248import com.android.server.ServiceThread; 249import com.android.server.SystemConfig; 250import com.android.server.Watchdog; 251import com.android.server.net.NetworkPolicyManagerInternal; 252import com.android.server.pm.PermissionsState.PermissionState; 253import com.android.server.pm.Settings.DatabaseVersion; 254import com.android.server.pm.Settings.VersionInfo; 255import com.android.server.storage.DeviceStorageMonitorInternal; 256 257import dalvik.system.CloseGuard; 258import dalvik.system.DexFile; 259import dalvik.system.VMRuntime; 260 261import libcore.io.IoUtils; 262import libcore.util.EmptyArray; 263 264import org.xmlpull.v1.XmlPullParser; 265import org.xmlpull.v1.XmlPullParserException; 266import org.xmlpull.v1.XmlSerializer; 267 268import java.io.BufferedOutputStream; 269import java.io.BufferedReader; 270import java.io.ByteArrayInputStream; 271import java.io.ByteArrayOutputStream; 272import java.io.File; 273import java.io.FileDescriptor; 274import java.io.FileInputStream; 275import java.io.FileNotFoundException; 276import java.io.FileOutputStream; 277import java.io.FileReader; 278import java.io.FilenameFilter; 279import java.io.IOException; 280import java.io.PrintWriter; 281import java.nio.charset.StandardCharsets; 282import java.security.DigestInputStream; 283import java.security.MessageDigest; 284import java.security.NoSuchAlgorithmException; 285import java.security.PublicKey; 286import java.security.cert.Certificate; 287import java.security.cert.CertificateEncodingException; 288import java.security.cert.CertificateException; 289import java.text.SimpleDateFormat; 290import java.util.ArrayList; 291import java.util.Arrays; 292import java.util.Collection; 293import java.util.Collections; 294import java.util.Comparator; 295import java.util.Date; 296import java.util.HashSet; 297import java.util.Iterator; 298import java.util.List; 299import java.util.Map; 300import java.util.Objects; 301import java.util.Set; 302import java.util.concurrent.CountDownLatch; 303import java.util.concurrent.TimeUnit; 304import java.util.concurrent.atomic.AtomicBoolean; 305import java.util.concurrent.atomic.AtomicInteger; 306 307/** 308 * Keep track of all those APKs everywhere. 309 * <p> 310 * Internally there are two important locks: 311 * <ul> 312 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 313 * and other related state. It is a fine-grained lock that should only be held 314 * momentarily, as it's one of the most contended locks in the system. 315 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 316 * operations typically involve heavy lifting of application data on disk. Since 317 * {@code installd} is single-threaded, and it's operations can often be slow, 318 * this lock should never be acquired while already holding {@link #mPackages}. 319 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 320 * holding {@link #mInstallLock}. 321 * </ul> 322 * Many internal methods rely on the caller to hold the appropriate locks, and 323 * this contract is expressed through method name suffixes: 324 * <ul> 325 * <li>fooLI(): the caller must hold {@link #mInstallLock} 326 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 327 * being modified must be frozen 328 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 329 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 330 * </ul> 331 * <p> 332 * Because this class is very central to the platform's security; please run all 333 * CTS and unit tests whenever making modifications: 334 * 335 * <pre> 336 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 337 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 338 * </pre> 339 */ 340public class PackageManagerService extends IPackageManager.Stub { 341 static final String TAG = "PackageManager"; 342 static final boolean DEBUG_SETTINGS = false; 343 static final boolean DEBUG_PREFERRED = false; 344 static final boolean DEBUG_UPGRADE = false; 345 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 346 private static final boolean DEBUG_BACKUP = false; 347 private static final boolean DEBUG_INSTALL = false; 348 private static final boolean DEBUG_REMOVE = false; 349 private static final boolean DEBUG_BROADCASTS = false; 350 private static final boolean DEBUG_SHOW_INFO = false; 351 private static final boolean DEBUG_PACKAGE_INFO = false; 352 private static final boolean DEBUG_INTENT_MATCHING = false; 353 private static final boolean DEBUG_PACKAGE_SCANNING = false; 354 private static final boolean DEBUG_VERIFY = false; 355 private static final boolean DEBUG_FILTERS = false; 356 357 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 358 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 359 // user, but by default initialize to this. 360 static final boolean DEBUG_DEXOPT = false; 361 362 private static final boolean DEBUG_ABI_SELECTION = false; 363 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 364 private static final boolean DEBUG_TRIAGED_MISSING = false; 365 private static final boolean DEBUG_APP_DATA = false; 366 367 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 368 369 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 VENDOR_OVERLAY_DIR = "/vendor/overlay"; 462 463 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 464 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 465 466 /** Permission grant: not grant the permission. */ 467 private static final int GRANT_DENIED = 1; 468 469 /** Permission grant: grant the permission as an install permission. */ 470 private static final int GRANT_INSTALL = 2; 471 472 /** Permission grant: grant the permission as a runtime one. */ 473 private static final int GRANT_RUNTIME = 3; 474 475 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 476 private static final int GRANT_UPGRADE = 4; 477 478 /** Canonical intent used to identify what counts as a "web browser" app */ 479 private static final Intent sBrowserIntent; 480 static { 481 sBrowserIntent = new Intent(); 482 sBrowserIntent.setAction(Intent.ACTION_VIEW); 483 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 484 sBrowserIntent.setData(Uri.parse("http:")); 485 } 486 487 /** 488 * The set of all protected actions [i.e. those actions for which a high priority 489 * intent filter is disallowed]. 490 */ 491 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 492 static { 493 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 494 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 495 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 496 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 497 } 498 499 // Compilation reasons. 500 public static final int REASON_FIRST_BOOT = 0; 501 public static final int REASON_BOOT = 1; 502 public static final int REASON_INSTALL = 2; 503 public static final int REASON_BACKGROUND_DEXOPT = 3; 504 public static final int REASON_AB_OTA = 4; 505 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 506 public static final int REASON_SHARED_APK = 6; 507 public static final int REASON_FORCED_DEXOPT = 7; 508 public static final int REASON_CORE_APP = 8; 509 510 public static final int REASON_LAST = REASON_CORE_APP; 511 512 /** Special library name that skips shared libraries check during compilation. */ 513 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 514 515 final ServiceThread mHandlerThread; 516 517 final PackageHandler mHandler; 518 519 private final ProcessLoggingHandler mProcessLoggingHandler; 520 521 /** 522 * Messages for {@link #mHandler} that need to wait for system ready before 523 * being dispatched. 524 */ 525 private ArrayList<Message> mPostSystemReadyMessages; 526 527 final int mSdkVersion = Build.VERSION.SDK_INT; 528 529 final Context mContext; 530 final boolean mFactoryTest; 531 final boolean mOnlyCore; 532 final DisplayMetrics mMetrics; 533 final int mDefParseFlags; 534 final String[] mSeparateProcesses; 535 final boolean mIsUpgrade; 536 final boolean mIsPreNUpgrade; 537 538 /** The location for ASEC container files on internal storage. */ 539 final String mAsecInternalPath; 540 541 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 542 // LOCK HELD. Can be called with mInstallLock held. 543 @GuardedBy("mInstallLock") 544 final Installer mInstaller; 545 546 /** Directory where installed third-party apps stored */ 547 final File mAppInstallDir; 548 final File mEphemeralInstallDir; 549 550 /** 551 * Directory to which applications installed internally have their 552 * 32 bit native libraries copied. 553 */ 554 private File mAppLib32InstallDir; 555 556 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 557 // apps. 558 final File mDrmAppPrivateInstallDir; 559 560 // ---------------------------------------------------------------- 561 562 // Lock for state used when installing and doing other long running 563 // operations. Methods that must be called with this lock held have 564 // the suffix "LI". 565 final Object mInstallLock = new Object(); 566 567 // ---------------------------------------------------------------- 568 569 // Keys are String (package name), values are Package. This also serves 570 // as the lock for the global state. Methods that must be called with 571 // this lock held have the prefix "LP". 572 @GuardedBy("mPackages") 573 final ArrayMap<String, PackageParser.Package> mPackages = 574 new ArrayMap<String, PackageParser.Package>(); 575 576 final ArrayMap<String, Set<String>> mKnownCodebase = 577 new ArrayMap<String, Set<String>>(); 578 579 // Tracks available target package names -> overlay package paths. 580 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 581 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 582 583 /** 584 * Tracks new system packages [received in an OTA] that we expect to 585 * find updated user-installed versions. Keys are package name, values 586 * are package location. 587 */ 588 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 589 /** 590 * Tracks high priority intent filters for protected actions. During boot, certain 591 * filter actions are protected and should never be allowed to have a high priority 592 * intent filter for them. However, there is one, and only one exception -- the 593 * setup wizard. It must be able to define a high priority intent filter for these 594 * actions to ensure there are no escapes from the wizard. We need to delay processing 595 * of these during boot as we need to look at all of the system packages in order 596 * to know which component is the setup wizard. 597 */ 598 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 599 /** 600 * Whether or not processing protected filters should be deferred. 601 */ 602 private boolean mDeferProtectedFilters = true; 603 604 /** 605 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 606 */ 607 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 608 /** 609 * Whether or not system app permissions should be promoted from install to runtime. 610 */ 611 boolean mPromoteSystemApps; 612 613 @GuardedBy("mPackages") 614 final Settings mSettings; 615 616 /** 617 * Set of package names that are currently "frozen", which means active 618 * surgery is being done on the code/data for that package. The platform 619 * will refuse to launch frozen packages to avoid race conditions. 620 * 621 * @see PackageFreezer 622 */ 623 @GuardedBy("mPackages") 624 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 625 626 final ProtectedPackages mProtectedPackages; 627 628 boolean mFirstBoot; 629 630 // System configuration read by SystemConfig. 631 final int[] mGlobalGids; 632 final SparseArray<ArraySet<String>> mSystemPermissions; 633 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 634 635 // If mac_permissions.xml was found for seinfo labeling. 636 boolean mFoundPolicyFile; 637 638 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 639 640 public static final class SharedLibraryEntry { 641 public final String path; 642 public final String apk; 643 644 SharedLibraryEntry(String _path, String _apk) { 645 path = _path; 646 apk = _apk; 647 } 648 } 649 650 // Currently known shared libraries. 651 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 652 new ArrayMap<String, SharedLibraryEntry>(); 653 654 // All available activities, for your resolving pleasure. 655 final ActivityIntentResolver mActivities = 656 new ActivityIntentResolver(); 657 658 // All available receivers, for your resolving pleasure. 659 final ActivityIntentResolver mReceivers = 660 new ActivityIntentResolver(); 661 662 // All available services, for your resolving pleasure. 663 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 664 665 // All available providers, for your resolving pleasure. 666 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 667 668 // Mapping from provider base names (first directory in content URI codePath) 669 // to the provider information. 670 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 671 new ArrayMap<String, PackageParser.Provider>(); 672 673 // Mapping from instrumentation class names to info about them. 674 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 675 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 676 677 // Mapping from permission names to info about them. 678 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 679 new ArrayMap<String, PackageParser.PermissionGroup>(); 680 681 // Packages whose data we have transfered into another package, thus 682 // should no longer exist. 683 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 684 685 // Broadcast actions that are only available to the system. 686 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 687 688 /** List of packages waiting for verification. */ 689 final SparseArray<PackageVerificationState> mPendingVerification 690 = new SparseArray<PackageVerificationState>(); 691 692 /** Set of packages associated with each app op permission. */ 693 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 694 695 final PackageInstallerService mInstallerService; 696 697 private final PackageDexOptimizer mPackageDexOptimizer; 698 699 private AtomicInteger mNextMoveId = new AtomicInteger(); 700 private final MoveCallbacks mMoveCallbacks; 701 702 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 703 704 // Cache of users who need badging. 705 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 706 707 /** Token for keys in mPendingVerification. */ 708 private int mPendingVerificationToken = 0; 709 710 volatile boolean mSystemReady; 711 volatile boolean mSafeMode; 712 volatile boolean mHasSystemUidErrors; 713 714 ApplicationInfo mAndroidApplication; 715 final ActivityInfo mResolveActivity = new ActivityInfo(); 716 final ResolveInfo mResolveInfo = new ResolveInfo(); 717 ComponentName mResolveComponentName; 718 PackageParser.Package mPlatformPackage; 719 ComponentName mCustomResolverComponentName; 720 721 boolean mResolverReplaced = false; 722 723 private final @Nullable ComponentName mIntentFilterVerifierComponent; 724 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 725 726 private int mIntentFilterVerificationToken = 0; 727 728 /** Component that knows whether or not an ephemeral application exists */ 729 final ComponentName mEphemeralResolverComponent; 730 /** The service connection to the ephemeral resolver */ 731 final EphemeralResolverConnection mEphemeralResolverConnection; 732 733 /** Component used to install ephemeral applications */ 734 final ComponentName mEphemeralInstallerComponent; 735 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 736 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 737 738 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 739 = new SparseArray<IntentFilterVerificationState>(); 740 741 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 742 new DefaultPermissionGrantPolicy(this); 743 744 // List of packages names to keep cached, even if they are uninstalled for all users 745 private List<String> mKeepUninstalledPackages; 746 747 private UserManagerInternal mUserManagerInternal; 748 749 private static class IFVerificationParams { 750 PackageParser.Package pkg; 751 boolean replacing; 752 int userId; 753 int verifierUid; 754 755 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 756 int _userId, int _verifierUid) { 757 pkg = _pkg; 758 replacing = _replacing; 759 userId = _userId; 760 replacing = _replacing; 761 verifierUid = _verifierUid; 762 } 763 } 764 765 private interface IntentFilterVerifier<T extends IntentFilter> { 766 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 767 T filter, String packageName); 768 void startVerifications(int userId); 769 void receiveVerificationResponse(int verificationId); 770 } 771 772 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 773 private Context mContext; 774 private ComponentName mIntentFilterVerifierComponent; 775 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 776 777 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 778 mContext = context; 779 mIntentFilterVerifierComponent = verifierComponent; 780 } 781 782 private String getDefaultScheme() { 783 return IntentFilter.SCHEME_HTTPS; 784 } 785 786 @Override 787 public void startVerifications(int userId) { 788 // Launch verifications requests 789 int count = mCurrentIntentFilterVerifications.size(); 790 for (int n=0; n<count; n++) { 791 int verificationId = mCurrentIntentFilterVerifications.get(n); 792 final IntentFilterVerificationState ivs = 793 mIntentFilterVerificationStates.get(verificationId); 794 795 String packageName = ivs.getPackageName(); 796 797 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 798 final int filterCount = filters.size(); 799 ArraySet<String> domainsSet = new ArraySet<>(); 800 for (int m=0; m<filterCount; m++) { 801 PackageParser.ActivityIntentInfo filter = filters.get(m); 802 domainsSet.addAll(filter.getHostsList()); 803 } 804 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 805 synchronized (mPackages) { 806 if (mSettings.createIntentFilterVerificationIfNeededLPw( 807 packageName, domainsList) != null) { 808 scheduleWriteSettingsLocked(); 809 } 810 } 811 sendVerificationRequest(userId, verificationId, ivs); 812 } 813 mCurrentIntentFilterVerifications.clear(); 814 } 815 816 private void sendVerificationRequest(int userId, int verificationId, 817 IntentFilterVerificationState ivs) { 818 819 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 820 verificationIntent.putExtra( 821 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 822 verificationId); 823 verificationIntent.putExtra( 824 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 825 getDefaultScheme()); 826 verificationIntent.putExtra( 827 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 828 ivs.getHostsString()); 829 verificationIntent.putExtra( 830 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 831 ivs.getPackageName()); 832 verificationIntent.setComponent(mIntentFilterVerifierComponent); 833 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 834 835 UserHandle user = new UserHandle(userId); 836 mContext.sendBroadcastAsUser(verificationIntent, user); 837 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 838 "Sending IntentFilter verification broadcast"); 839 } 840 841 public void receiveVerificationResponse(int verificationId) { 842 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 843 844 final boolean verified = ivs.isVerified(); 845 846 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 847 final int count = filters.size(); 848 if (DEBUG_DOMAIN_VERIFICATION) { 849 Slog.i(TAG, "Received verification response " + verificationId 850 + " for " + count + " filters, verified=" + verified); 851 } 852 for (int n=0; n<count; n++) { 853 PackageParser.ActivityIntentInfo filter = filters.get(n); 854 filter.setVerified(verified); 855 856 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 857 + " verified with result:" + verified + " and hosts:" 858 + ivs.getHostsString()); 859 } 860 861 mIntentFilterVerificationStates.remove(verificationId); 862 863 final String packageName = ivs.getPackageName(); 864 IntentFilterVerificationInfo ivi = null; 865 866 synchronized (mPackages) { 867 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 868 } 869 if (ivi == null) { 870 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 871 + verificationId + " packageName:" + packageName); 872 return; 873 } 874 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 875 "Updating IntentFilterVerificationInfo for package " + packageName 876 +" verificationId:" + verificationId); 877 878 synchronized (mPackages) { 879 if (verified) { 880 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 881 } else { 882 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 883 } 884 scheduleWriteSettingsLocked(); 885 886 final int userId = ivs.getUserId(); 887 if (userId != UserHandle.USER_ALL) { 888 final int userStatus = 889 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 890 891 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 892 boolean needUpdate = false; 893 894 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 895 // already been set by the User thru the Disambiguation dialog 896 switch (userStatus) { 897 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 898 if (verified) { 899 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 900 } else { 901 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 902 } 903 needUpdate = true; 904 break; 905 906 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 907 if (verified) { 908 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 909 needUpdate = true; 910 } 911 break; 912 913 default: 914 // Nothing to do 915 } 916 917 if (needUpdate) { 918 mSettings.updateIntentFilterVerificationStatusLPw( 919 packageName, updatedStatus, userId); 920 scheduleWritePackageRestrictionsLocked(userId); 921 } 922 } 923 } 924 } 925 926 @Override 927 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 928 ActivityIntentInfo filter, String packageName) { 929 if (!hasValidDomains(filter)) { 930 return false; 931 } 932 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 933 if (ivs == null) { 934 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 935 packageName); 936 } 937 if (DEBUG_DOMAIN_VERIFICATION) { 938 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 939 } 940 ivs.addFilter(filter); 941 return true; 942 } 943 944 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 945 int userId, int verificationId, String packageName) { 946 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 947 verifierUid, userId, packageName); 948 ivs.setPendingState(); 949 synchronized (mPackages) { 950 mIntentFilterVerificationStates.append(verificationId, ivs); 951 mCurrentIntentFilterVerifications.add(verificationId); 952 } 953 return ivs; 954 } 955 } 956 957 private static boolean hasValidDomains(ActivityIntentInfo filter) { 958 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 959 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 960 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 961 } 962 963 // Set of pending broadcasts for aggregating enable/disable of components. 964 static class PendingPackageBroadcasts { 965 // for each user id, a map of <package name -> components within that package> 966 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 967 968 public PendingPackageBroadcasts() { 969 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 970 } 971 972 public ArrayList<String> get(int userId, String packageName) { 973 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 974 return packages.get(packageName); 975 } 976 977 public void put(int userId, String packageName, ArrayList<String> components) { 978 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 979 packages.put(packageName, components); 980 } 981 982 public void remove(int userId, String packageName) { 983 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 984 if (packages != null) { 985 packages.remove(packageName); 986 } 987 } 988 989 public void remove(int userId) { 990 mUidMap.remove(userId); 991 } 992 993 public int userIdCount() { 994 return mUidMap.size(); 995 } 996 997 public int userIdAt(int n) { 998 return mUidMap.keyAt(n); 999 } 1000 1001 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1002 return mUidMap.get(userId); 1003 } 1004 1005 public int size() { 1006 // total number of pending broadcast entries across all userIds 1007 int num = 0; 1008 for (int i = 0; i< mUidMap.size(); i++) { 1009 num += mUidMap.valueAt(i).size(); 1010 } 1011 return num; 1012 } 1013 1014 public void clear() { 1015 mUidMap.clear(); 1016 } 1017 1018 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1019 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1020 if (map == null) { 1021 map = new ArrayMap<String, ArrayList<String>>(); 1022 mUidMap.put(userId, map); 1023 } 1024 return map; 1025 } 1026 } 1027 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1028 1029 // Service Connection to remote media container service to copy 1030 // package uri's from external media onto secure containers 1031 // or internal storage. 1032 private IMediaContainerService mContainerService = null; 1033 1034 static final int SEND_PENDING_BROADCAST = 1; 1035 static final int MCS_BOUND = 3; 1036 static final int END_COPY = 4; 1037 static final int INIT_COPY = 5; 1038 static final int MCS_UNBIND = 6; 1039 static final int START_CLEANING_PACKAGE = 7; 1040 static final int FIND_INSTALL_LOC = 8; 1041 static final int POST_INSTALL = 9; 1042 static final int MCS_RECONNECT = 10; 1043 static final int MCS_GIVE_UP = 11; 1044 static final int UPDATED_MEDIA_STATUS = 12; 1045 static final int WRITE_SETTINGS = 13; 1046 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1047 static final int PACKAGE_VERIFIED = 15; 1048 static final int CHECK_PENDING_VERIFICATION = 16; 1049 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1050 static final int INTENT_FILTER_VERIFIED = 18; 1051 static final int WRITE_PACKAGE_LIST = 19; 1052 1053 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1054 1055 // Delay time in millisecs 1056 static final int BROADCAST_DELAY = 10 * 1000; 1057 1058 static UserManagerService sUserManager; 1059 1060 // Stores a list of users whose package restrictions file needs to be updated 1061 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1062 1063 final private DefaultContainerConnection mDefContainerConn = 1064 new DefaultContainerConnection(); 1065 class DefaultContainerConnection implements ServiceConnection { 1066 public void onServiceConnected(ComponentName name, IBinder service) { 1067 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1068 IMediaContainerService imcs = 1069 IMediaContainerService.Stub.asInterface(service); 1070 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1071 } 1072 1073 public void onServiceDisconnected(ComponentName name) { 1074 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1075 } 1076 } 1077 1078 // Recordkeeping of restore-after-install operations that are currently in flight 1079 // between the Package Manager and the Backup Manager 1080 static class PostInstallData { 1081 public InstallArgs args; 1082 public PackageInstalledInfo res; 1083 1084 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1085 args = _a; 1086 res = _r; 1087 } 1088 } 1089 1090 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1091 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1092 1093 // XML tags for backup/restore of various bits of state 1094 private static final String TAG_PREFERRED_BACKUP = "pa"; 1095 private static final String TAG_DEFAULT_APPS = "da"; 1096 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1097 1098 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1099 private static final String TAG_ALL_GRANTS = "rt-grants"; 1100 private static final String TAG_GRANT = "grant"; 1101 private static final String ATTR_PACKAGE_NAME = "pkg"; 1102 1103 private static final String TAG_PERMISSION = "perm"; 1104 private static final String ATTR_PERMISSION_NAME = "name"; 1105 private static final String ATTR_IS_GRANTED = "g"; 1106 private static final String ATTR_USER_SET = "set"; 1107 private static final String ATTR_USER_FIXED = "fixed"; 1108 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1109 1110 // System/policy permission grants are not backed up 1111 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1112 FLAG_PERMISSION_POLICY_FIXED 1113 | FLAG_PERMISSION_SYSTEM_FIXED 1114 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1115 1116 // And we back up these user-adjusted states 1117 private static final int USER_RUNTIME_GRANT_MASK = 1118 FLAG_PERMISSION_USER_SET 1119 | FLAG_PERMISSION_USER_FIXED 1120 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1121 1122 final @Nullable String mRequiredVerifierPackage; 1123 final @NonNull String mRequiredInstallerPackage; 1124 final @Nullable String mSetupWizardPackage; 1125 final @NonNull String mServicesSystemSharedLibraryPackageName; 1126 final @NonNull String mSharedSystemSharedLibraryPackageName; 1127 1128 private final PackageUsage mPackageUsage = new PackageUsage(); 1129 private final CompilerStats mCompilerStats = new CompilerStats(); 1130 1131 class PackageHandler extends Handler { 1132 private boolean mBound = false; 1133 final ArrayList<HandlerParams> mPendingInstalls = 1134 new ArrayList<HandlerParams>(); 1135 1136 private boolean connectToService() { 1137 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1138 " DefaultContainerService"); 1139 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1140 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1141 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1142 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1143 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1144 mBound = true; 1145 return true; 1146 } 1147 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1148 return false; 1149 } 1150 1151 private void disconnectService() { 1152 mContainerService = null; 1153 mBound = false; 1154 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1155 mContext.unbindService(mDefContainerConn); 1156 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1157 } 1158 1159 PackageHandler(Looper looper) { 1160 super(looper); 1161 } 1162 1163 public void handleMessage(Message msg) { 1164 try { 1165 doHandleMessage(msg); 1166 } finally { 1167 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1168 } 1169 } 1170 1171 void doHandleMessage(Message msg) { 1172 switch (msg.what) { 1173 case INIT_COPY: { 1174 HandlerParams params = (HandlerParams) msg.obj; 1175 int idx = mPendingInstalls.size(); 1176 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1177 // If a bind was already initiated we dont really 1178 // need to do anything. The pending install 1179 // will be processed later on. 1180 if (!mBound) { 1181 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1182 System.identityHashCode(mHandler)); 1183 // If this is the only one pending we might 1184 // have to bind to the service again. 1185 if (!connectToService()) { 1186 Slog.e(TAG, "Failed to bind to media container service"); 1187 params.serviceError(); 1188 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1189 System.identityHashCode(mHandler)); 1190 if (params.traceMethod != null) { 1191 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1192 params.traceCookie); 1193 } 1194 return; 1195 } else { 1196 // Once we bind to the service, the first 1197 // pending request will be processed. 1198 mPendingInstalls.add(idx, params); 1199 } 1200 } else { 1201 mPendingInstalls.add(idx, params); 1202 // Already bound to the service. Just make 1203 // sure we trigger off processing the first request. 1204 if (idx == 0) { 1205 mHandler.sendEmptyMessage(MCS_BOUND); 1206 } 1207 } 1208 break; 1209 } 1210 case MCS_BOUND: { 1211 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1212 if (msg.obj != null) { 1213 mContainerService = (IMediaContainerService) msg.obj; 1214 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1215 System.identityHashCode(mHandler)); 1216 } 1217 if (mContainerService == null) { 1218 if (!mBound) { 1219 // Something seriously wrong since we are not bound and we are not 1220 // waiting for connection. Bail out. 1221 Slog.e(TAG, "Cannot bind to media container service"); 1222 for (HandlerParams params : mPendingInstalls) { 1223 // Indicate service bind error 1224 params.serviceError(); 1225 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1226 System.identityHashCode(params)); 1227 if (params.traceMethod != null) { 1228 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1229 params.traceMethod, params.traceCookie); 1230 } 1231 return; 1232 } 1233 mPendingInstalls.clear(); 1234 } else { 1235 Slog.w(TAG, "Waiting to connect to media container service"); 1236 } 1237 } else if (mPendingInstalls.size() > 0) { 1238 HandlerParams params = mPendingInstalls.get(0); 1239 if (params != null) { 1240 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1241 System.identityHashCode(params)); 1242 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1243 if (params.startCopy()) { 1244 // We are done... look for more work or to 1245 // go idle. 1246 if (DEBUG_SD_INSTALL) Log.i(TAG, 1247 "Checking for more work or unbind..."); 1248 // Delete pending install 1249 if (mPendingInstalls.size() > 0) { 1250 mPendingInstalls.remove(0); 1251 } 1252 if (mPendingInstalls.size() == 0) { 1253 if (mBound) { 1254 if (DEBUG_SD_INSTALL) Log.i(TAG, 1255 "Posting delayed MCS_UNBIND"); 1256 removeMessages(MCS_UNBIND); 1257 Message ubmsg = obtainMessage(MCS_UNBIND); 1258 // Unbind after a little delay, to avoid 1259 // continual thrashing. 1260 sendMessageDelayed(ubmsg, 10000); 1261 } 1262 } else { 1263 // There are more pending requests in queue. 1264 // Just post MCS_BOUND message to trigger processing 1265 // of next pending install. 1266 if (DEBUG_SD_INSTALL) Log.i(TAG, 1267 "Posting MCS_BOUND for next work"); 1268 mHandler.sendEmptyMessage(MCS_BOUND); 1269 } 1270 } 1271 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1272 } 1273 } else { 1274 // Should never happen ideally. 1275 Slog.w(TAG, "Empty queue"); 1276 } 1277 break; 1278 } 1279 case MCS_RECONNECT: { 1280 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1281 if (mPendingInstalls.size() > 0) { 1282 if (mBound) { 1283 disconnectService(); 1284 } 1285 if (!connectToService()) { 1286 Slog.e(TAG, "Failed to bind to media container service"); 1287 for (HandlerParams params : mPendingInstalls) { 1288 // Indicate service bind error 1289 params.serviceError(); 1290 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1291 System.identityHashCode(params)); 1292 } 1293 mPendingInstalls.clear(); 1294 } 1295 } 1296 break; 1297 } 1298 case MCS_UNBIND: { 1299 // If there is no actual work left, then time to unbind. 1300 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1301 1302 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1303 if (mBound) { 1304 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1305 1306 disconnectService(); 1307 } 1308 } else if (mPendingInstalls.size() > 0) { 1309 // There are more pending requests in queue. 1310 // Just post MCS_BOUND message to trigger processing 1311 // of next pending install. 1312 mHandler.sendEmptyMessage(MCS_BOUND); 1313 } 1314 1315 break; 1316 } 1317 case MCS_GIVE_UP: { 1318 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1319 HandlerParams params = mPendingInstalls.remove(0); 1320 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1321 System.identityHashCode(params)); 1322 break; 1323 } 1324 case SEND_PENDING_BROADCAST: { 1325 String packages[]; 1326 ArrayList<String> components[]; 1327 int size = 0; 1328 int uids[]; 1329 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1330 synchronized (mPackages) { 1331 if (mPendingBroadcasts == null) { 1332 return; 1333 } 1334 size = mPendingBroadcasts.size(); 1335 if (size <= 0) { 1336 // Nothing to be done. Just return 1337 return; 1338 } 1339 packages = new String[size]; 1340 components = new ArrayList[size]; 1341 uids = new int[size]; 1342 int i = 0; // filling out the above arrays 1343 1344 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1345 int packageUserId = mPendingBroadcasts.userIdAt(n); 1346 Iterator<Map.Entry<String, ArrayList<String>>> it 1347 = mPendingBroadcasts.packagesForUserId(packageUserId) 1348 .entrySet().iterator(); 1349 while (it.hasNext() && i < size) { 1350 Map.Entry<String, ArrayList<String>> ent = it.next(); 1351 packages[i] = ent.getKey(); 1352 components[i] = ent.getValue(); 1353 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1354 uids[i] = (ps != null) 1355 ? UserHandle.getUid(packageUserId, ps.appId) 1356 : -1; 1357 i++; 1358 } 1359 } 1360 size = i; 1361 mPendingBroadcasts.clear(); 1362 } 1363 // Send broadcasts 1364 for (int i = 0; i < size; i++) { 1365 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1366 } 1367 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1368 break; 1369 } 1370 case START_CLEANING_PACKAGE: { 1371 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1372 final String packageName = (String)msg.obj; 1373 final int userId = msg.arg1; 1374 final boolean andCode = msg.arg2 != 0; 1375 synchronized (mPackages) { 1376 if (userId == UserHandle.USER_ALL) { 1377 int[] users = sUserManager.getUserIds(); 1378 for (int user : users) { 1379 mSettings.addPackageToCleanLPw( 1380 new PackageCleanItem(user, packageName, andCode)); 1381 } 1382 } else { 1383 mSettings.addPackageToCleanLPw( 1384 new PackageCleanItem(userId, packageName, andCode)); 1385 } 1386 } 1387 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1388 startCleaningPackages(); 1389 } break; 1390 case POST_INSTALL: { 1391 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1392 1393 PostInstallData data = mRunningInstalls.get(msg.arg1); 1394 final boolean didRestore = (msg.arg2 != 0); 1395 mRunningInstalls.delete(msg.arg1); 1396 1397 if (data != null) { 1398 InstallArgs args = data.args; 1399 PackageInstalledInfo parentRes = data.res; 1400 1401 final boolean grantPermissions = (args.installFlags 1402 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1403 final boolean killApp = (args.installFlags 1404 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1405 final String[] grantedPermissions = args.installGrantPermissions; 1406 1407 // Handle the parent package 1408 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1409 grantedPermissions, didRestore, args.installerPackageName, 1410 args.observer); 1411 1412 // Handle the child packages 1413 final int childCount = (parentRes.addedChildPackages != null) 1414 ? parentRes.addedChildPackages.size() : 0; 1415 for (int i = 0; i < childCount; i++) { 1416 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1417 handlePackagePostInstall(childRes, grantPermissions, killApp, 1418 grantedPermissions, false, args.installerPackageName, 1419 args.observer); 1420 } 1421 1422 // Log tracing if needed 1423 if (args.traceMethod != null) { 1424 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1425 args.traceCookie); 1426 } 1427 } else { 1428 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1429 } 1430 1431 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1432 } break; 1433 case UPDATED_MEDIA_STATUS: { 1434 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1435 boolean reportStatus = msg.arg1 == 1; 1436 boolean doGc = msg.arg2 == 1; 1437 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1438 if (doGc) { 1439 // Force a gc to clear up stale containers. 1440 Runtime.getRuntime().gc(); 1441 } 1442 if (msg.obj != null) { 1443 @SuppressWarnings("unchecked") 1444 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1445 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1446 // Unload containers 1447 unloadAllContainers(args); 1448 } 1449 if (reportStatus) { 1450 try { 1451 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1452 PackageHelper.getMountService().finishMediaUpdate(); 1453 } catch (RemoteException e) { 1454 Log.e(TAG, "MountService not running?"); 1455 } 1456 } 1457 } break; 1458 case WRITE_SETTINGS: { 1459 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1460 synchronized (mPackages) { 1461 removeMessages(WRITE_SETTINGS); 1462 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1463 mSettings.writeLPr(); 1464 mDirtyUsers.clear(); 1465 } 1466 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1467 } break; 1468 case WRITE_PACKAGE_RESTRICTIONS: { 1469 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1470 synchronized (mPackages) { 1471 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1472 for (int userId : mDirtyUsers) { 1473 mSettings.writePackageRestrictionsLPr(userId); 1474 } 1475 mDirtyUsers.clear(); 1476 } 1477 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1478 } break; 1479 case WRITE_PACKAGE_LIST: { 1480 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1481 synchronized (mPackages) { 1482 removeMessages(WRITE_PACKAGE_LIST); 1483 mSettings.writePackageListLPr(msg.arg1); 1484 } 1485 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1486 } break; 1487 case CHECK_PENDING_VERIFICATION: { 1488 final int verificationId = msg.arg1; 1489 final PackageVerificationState state = mPendingVerification.get(verificationId); 1490 1491 if ((state != null) && !state.timeoutExtended()) { 1492 final InstallArgs args = state.getInstallArgs(); 1493 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1494 1495 Slog.i(TAG, "Verification timed out for " + originUri); 1496 mPendingVerification.remove(verificationId); 1497 1498 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1499 1500 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1501 Slog.i(TAG, "Continuing with installation of " + originUri); 1502 state.setVerifierResponse(Binder.getCallingUid(), 1503 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1504 broadcastPackageVerified(verificationId, originUri, 1505 PackageManager.VERIFICATION_ALLOW, 1506 state.getInstallArgs().getUser()); 1507 try { 1508 ret = args.copyApk(mContainerService, true); 1509 } catch (RemoteException e) { 1510 Slog.e(TAG, "Could not contact the ContainerService"); 1511 } 1512 } else { 1513 broadcastPackageVerified(verificationId, originUri, 1514 PackageManager.VERIFICATION_REJECT, 1515 state.getInstallArgs().getUser()); 1516 } 1517 1518 Trace.asyncTraceEnd( 1519 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1520 1521 processPendingInstall(args, ret); 1522 mHandler.sendEmptyMessage(MCS_UNBIND); 1523 } 1524 break; 1525 } 1526 case PACKAGE_VERIFIED: { 1527 final int verificationId = msg.arg1; 1528 1529 final PackageVerificationState state = mPendingVerification.get(verificationId); 1530 if (state == null) { 1531 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1532 break; 1533 } 1534 1535 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1536 1537 state.setVerifierResponse(response.callerUid, response.code); 1538 1539 if (state.isVerificationComplete()) { 1540 mPendingVerification.remove(verificationId); 1541 1542 final InstallArgs args = state.getInstallArgs(); 1543 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1544 1545 int ret; 1546 if (state.isInstallAllowed()) { 1547 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1548 broadcastPackageVerified(verificationId, originUri, 1549 response.code, state.getInstallArgs().getUser()); 1550 try { 1551 ret = args.copyApk(mContainerService, true); 1552 } catch (RemoteException e) { 1553 Slog.e(TAG, "Could not contact the ContainerService"); 1554 } 1555 } else { 1556 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1557 } 1558 1559 Trace.asyncTraceEnd( 1560 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1561 1562 processPendingInstall(args, ret); 1563 mHandler.sendEmptyMessage(MCS_UNBIND); 1564 } 1565 1566 break; 1567 } 1568 case START_INTENT_FILTER_VERIFICATIONS: { 1569 IFVerificationParams params = (IFVerificationParams) msg.obj; 1570 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1571 params.replacing, params.pkg); 1572 break; 1573 } 1574 case INTENT_FILTER_VERIFIED: { 1575 final int verificationId = msg.arg1; 1576 1577 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1578 verificationId); 1579 if (state == null) { 1580 Slog.w(TAG, "Invalid IntentFilter verification token " 1581 + verificationId + " received"); 1582 break; 1583 } 1584 1585 final int userId = state.getUserId(); 1586 1587 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1588 "Processing IntentFilter verification with token:" 1589 + verificationId + " and userId:" + userId); 1590 1591 final IntentFilterVerificationResponse response = 1592 (IntentFilterVerificationResponse) msg.obj; 1593 1594 state.setVerifierResponse(response.callerUid, response.code); 1595 1596 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1597 "IntentFilter verification with token:" + verificationId 1598 + " and userId:" + userId 1599 + " is settings verifier response with response code:" 1600 + response.code); 1601 1602 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1603 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1604 + response.getFailedDomainsString()); 1605 } 1606 1607 if (state.isVerificationComplete()) { 1608 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1609 } else { 1610 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1611 "IntentFilter verification with token:" + verificationId 1612 + " was not said to be complete"); 1613 } 1614 1615 break; 1616 } 1617 } 1618 } 1619 } 1620 1621 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1622 boolean killApp, String[] grantedPermissions, 1623 boolean launchedForRestore, String installerPackage, 1624 IPackageInstallObserver2 installObserver) { 1625 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1626 // Send the removed broadcasts 1627 if (res.removedInfo != null) { 1628 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1629 } 1630 1631 // Now that we successfully installed the package, grant runtime 1632 // permissions if requested before broadcasting the install. 1633 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1634 >= Build.VERSION_CODES.M) { 1635 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1636 } 1637 1638 final boolean update = res.removedInfo != null 1639 && res.removedInfo.removedPackage != null; 1640 1641 // If this is the first time we have child packages for a disabled privileged 1642 // app that had no children, we grant requested runtime permissions to the new 1643 // children if the parent on the system image had them already granted. 1644 if (res.pkg.parentPackage != null) { 1645 synchronized (mPackages) { 1646 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1647 } 1648 } 1649 1650 synchronized (mPackages) { 1651 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1652 } 1653 1654 final String packageName = res.pkg.applicationInfo.packageName; 1655 Bundle extras = new Bundle(1); 1656 extras.putInt(Intent.EXTRA_UID, res.uid); 1657 1658 // Determine the set of users who are adding this package for 1659 // the first time vs. those who are seeing an update. 1660 int[] firstUsers = EMPTY_INT_ARRAY; 1661 int[] updateUsers = EMPTY_INT_ARRAY; 1662 if (res.origUsers == null || res.origUsers.length == 0) { 1663 firstUsers = res.newUsers; 1664 } else { 1665 for (int newUser : res.newUsers) { 1666 boolean isNew = true; 1667 for (int origUser : res.origUsers) { 1668 if (origUser == newUser) { 1669 isNew = false; 1670 break; 1671 } 1672 } 1673 if (isNew) { 1674 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1675 } else { 1676 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1677 } 1678 } 1679 } 1680 1681 // Send installed broadcasts if the install/update is not ephemeral 1682 if (!isEphemeral(res.pkg)) { 1683 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1684 1685 // Send added for users that see the package for the first time 1686 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1687 extras, 0 /*flags*/, null /*targetPackage*/, 1688 null /*finishedReceiver*/, firstUsers); 1689 1690 // Send added for users that don't see the package for the first time 1691 if (update) { 1692 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1693 } 1694 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1695 extras, 0 /*flags*/, null /*targetPackage*/, 1696 null /*finishedReceiver*/, updateUsers); 1697 1698 // Send replaced for users that don't see the package for the first time 1699 if (update) { 1700 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1701 packageName, extras, 0 /*flags*/, 1702 null /*targetPackage*/, null /*finishedReceiver*/, 1703 updateUsers); 1704 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1705 null /*package*/, null /*extras*/, 0 /*flags*/, 1706 packageName /*targetPackage*/, 1707 null /*finishedReceiver*/, updateUsers); 1708 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1709 // First-install and we did a restore, so we're responsible for the 1710 // first-launch broadcast. 1711 if (DEBUG_BACKUP) { 1712 Slog.i(TAG, "Post-restore of " + packageName 1713 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1714 } 1715 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1716 } 1717 1718 // Send broadcast package appeared if forward locked/external for all users 1719 // treat asec-hosted packages like removable media on upgrade 1720 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1721 if (DEBUG_INSTALL) { 1722 Slog.i(TAG, "upgrading pkg " + res.pkg 1723 + " is ASEC-hosted -> AVAILABLE"); 1724 } 1725 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1726 ArrayList<String> pkgList = new ArrayList<>(1); 1727 pkgList.add(packageName); 1728 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1729 } 1730 } 1731 1732 // Work that needs to happen on first install within each user 1733 if (firstUsers != null && firstUsers.length > 0) { 1734 synchronized (mPackages) { 1735 for (int userId : firstUsers) { 1736 // If this app is a browser and it's newly-installed for some 1737 // users, clear any default-browser state in those users. The 1738 // app's nature doesn't depend on the user, so we can just check 1739 // its browser nature in any user and generalize. 1740 if (packageIsBrowser(packageName, userId)) { 1741 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1742 } 1743 1744 // We may also need to apply pending (restored) runtime 1745 // permission grants within these users. 1746 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1747 } 1748 } 1749 } 1750 1751 // Log current value of "unknown sources" setting 1752 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1753 getUnknownSourcesSettings()); 1754 1755 // Force a gc to clear up things 1756 Runtime.getRuntime().gc(); 1757 1758 // Remove the replaced package's older resources safely now 1759 // We delete after a gc for applications on sdcard. 1760 if (res.removedInfo != null && res.removedInfo.args != null) { 1761 synchronized (mInstallLock) { 1762 res.removedInfo.args.doPostDeleteLI(true); 1763 } 1764 } 1765 } 1766 1767 // If someone is watching installs - notify them 1768 if (installObserver != null) { 1769 try { 1770 Bundle extras = extrasForInstallResult(res); 1771 installObserver.onPackageInstalled(res.name, res.returnCode, 1772 res.returnMsg, extras); 1773 } catch (RemoteException e) { 1774 Slog.i(TAG, "Observer no longer exists."); 1775 } 1776 } 1777 } 1778 1779 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1780 PackageParser.Package pkg) { 1781 if (pkg.parentPackage == null) { 1782 return; 1783 } 1784 if (pkg.requestedPermissions == null) { 1785 return; 1786 } 1787 final PackageSetting disabledSysParentPs = mSettings 1788 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1789 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1790 || !disabledSysParentPs.isPrivileged() 1791 || (disabledSysParentPs.childPackageNames != null 1792 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1793 return; 1794 } 1795 final int[] allUserIds = sUserManager.getUserIds(); 1796 final int permCount = pkg.requestedPermissions.size(); 1797 for (int i = 0; i < permCount; i++) { 1798 String permission = pkg.requestedPermissions.get(i); 1799 BasePermission bp = mSettings.mPermissions.get(permission); 1800 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1801 continue; 1802 } 1803 for (int userId : allUserIds) { 1804 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1805 permission, userId)) { 1806 grantRuntimePermission(pkg.packageName, permission, userId); 1807 } 1808 } 1809 } 1810 } 1811 1812 private StorageEventListener mStorageListener = new StorageEventListener() { 1813 @Override 1814 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1815 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1816 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1817 final String volumeUuid = vol.getFsUuid(); 1818 1819 // Clean up any users or apps that were removed or recreated 1820 // while this volume was missing 1821 reconcileUsers(volumeUuid); 1822 reconcileApps(volumeUuid); 1823 1824 // Clean up any install sessions that expired or were 1825 // cancelled while this volume was missing 1826 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1827 1828 loadPrivatePackages(vol); 1829 1830 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1831 unloadPrivatePackages(vol); 1832 } 1833 } 1834 1835 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1836 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1837 updateExternalMediaStatus(true, false); 1838 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1839 updateExternalMediaStatus(false, false); 1840 } 1841 } 1842 } 1843 1844 @Override 1845 public void onVolumeForgotten(String fsUuid) { 1846 if (TextUtils.isEmpty(fsUuid)) { 1847 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1848 return; 1849 } 1850 1851 // Remove any apps installed on the forgotten volume 1852 synchronized (mPackages) { 1853 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1854 for (PackageSetting ps : packages) { 1855 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1856 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1857 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1858 } 1859 1860 mSettings.onVolumeForgotten(fsUuid); 1861 mSettings.writeLPr(); 1862 } 1863 } 1864 }; 1865 1866 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1867 String[] grantedPermissions) { 1868 for (int userId : userIds) { 1869 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1870 } 1871 1872 // We could have touched GID membership, so flush out packages.list 1873 synchronized (mPackages) { 1874 mSettings.writePackageListLPr(); 1875 } 1876 } 1877 1878 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1879 String[] grantedPermissions) { 1880 SettingBase sb = (SettingBase) pkg.mExtras; 1881 if (sb == null) { 1882 return; 1883 } 1884 1885 PermissionsState permissionsState = sb.getPermissionsState(); 1886 1887 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1888 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1889 1890 for (String permission : pkg.requestedPermissions) { 1891 final BasePermission bp; 1892 synchronized (mPackages) { 1893 bp = mSettings.mPermissions.get(permission); 1894 } 1895 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1896 && (grantedPermissions == null 1897 || ArrayUtils.contains(grantedPermissions, permission))) { 1898 final int flags = permissionsState.getPermissionFlags(permission, userId); 1899 // Installer cannot change immutable permissions. 1900 if ((flags & immutableFlags) == 0) { 1901 grantRuntimePermission(pkg.packageName, permission, userId); 1902 } 1903 } 1904 } 1905 } 1906 1907 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1908 Bundle extras = null; 1909 switch (res.returnCode) { 1910 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1911 extras = new Bundle(); 1912 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1913 res.origPermission); 1914 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1915 res.origPackage); 1916 break; 1917 } 1918 case PackageManager.INSTALL_SUCCEEDED: { 1919 extras = new Bundle(); 1920 extras.putBoolean(Intent.EXTRA_REPLACING, 1921 res.removedInfo != null && res.removedInfo.removedPackage != null); 1922 break; 1923 } 1924 } 1925 return extras; 1926 } 1927 1928 void scheduleWriteSettingsLocked() { 1929 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1930 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1931 } 1932 } 1933 1934 void scheduleWritePackageListLocked(int userId) { 1935 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1936 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1937 msg.arg1 = userId; 1938 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1939 } 1940 } 1941 1942 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1943 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1944 scheduleWritePackageRestrictionsLocked(userId); 1945 } 1946 1947 void scheduleWritePackageRestrictionsLocked(int userId) { 1948 final int[] userIds = (userId == UserHandle.USER_ALL) 1949 ? sUserManager.getUserIds() : new int[]{userId}; 1950 for (int nextUserId : userIds) { 1951 if (!sUserManager.exists(nextUserId)) return; 1952 mDirtyUsers.add(nextUserId); 1953 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1954 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1955 } 1956 } 1957 } 1958 1959 public static PackageManagerService main(Context context, Installer installer, 1960 boolean factoryTest, boolean onlyCore) { 1961 // Self-check for initial settings. 1962 PackageManagerServiceCompilerMapping.checkProperties(); 1963 1964 PackageManagerService m = new PackageManagerService(context, installer, 1965 factoryTest, onlyCore); 1966 m.enableSystemUserPackages(); 1967 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 1968 // disabled after already being started. 1969 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 1970 UserHandle.USER_SYSTEM); 1971 ServiceManager.addService("package", m); 1972 return m; 1973 } 1974 1975 private void enableSystemUserPackages() { 1976 if (!UserManager.isSplitSystemUser()) { 1977 return; 1978 } 1979 // For system user, enable apps based on the following conditions: 1980 // - app is whitelisted or belong to one of these groups: 1981 // -- system app which has no launcher icons 1982 // -- system app which has INTERACT_ACROSS_USERS permission 1983 // -- system IME app 1984 // - app is not in the blacklist 1985 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1986 Set<String> enableApps = new ArraySet<>(); 1987 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1988 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1989 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1990 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1991 enableApps.addAll(wlApps); 1992 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1993 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1994 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1995 enableApps.removeAll(blApps); 1996 Log.i(TAG, "Applications installed for system user: " + enableApps); 1997 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1998 UserHandle.SYSTEM); 1999 final int allAppsSize = allAps.size(); 2000 synchronized (mPackages) { 2001 for (int i = 0; i < allAppsSize; i++) { 2002 String pName = allAps.get(i); 2003 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2004 // Should not happen, but we shouldn't be failing if it does 2005 if (pkgSetting == null) { 2006 continue; 2007 } 2008 boolean install = enableApps.contains(pName); 2009 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2010 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2011 + " for system user"); 2012 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2013 } 2014 } 2015 } 2016 } 2017 2018 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2019 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2020 Context.DISPLAY_SERVICE); 2021 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2022 } 2023 2024 /** 2025 * Requests that files preopted on a secondary system partition be copied to the data partition 2026 * if possible. Note that the actual copying of the files is accomplished by init for security 2027 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2028 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2029 */ 2030 private static void requestCopyPreoptedFiles() { 2031 final int WAIT_TIME_MS = 100; 2032 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2033 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2034 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2035 // We will wait for up to 100 seconds. 2036 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2037 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2038 try { 2039 Thread.sleep(WAIT_TIME_MS); 2040 } catch (InterruptedException e) { 2041 // Do nothing 2042 } 2043 if (SystemClock.uptimeMillis() > timeEnd) { 2044 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2045 Slog.wtf(TAG, "cppreopt did not finish!"); 2046 break; 2047 } 2048 } 2049 } 2050 } 2051 2052 public PackageManagerService(Context context, Installer installer, 2053 boolean factoryTest, boolean onlyCore) { 2054 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2055 SystemClock.uptimeMillis()); 2056 2057 if (mSdkVersion <= 0) { 2058 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2059 } 2060 2061 mContext = context; 2062 mFactoryTest = factoryTest; 2063 mOnlyCore = onlyCore; 2064 mMetrics = new DisplayMetrics(); 2065 mSettings = new Settings(mPackages); 2066 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2067 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2068 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2069 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2070 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2071 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2072 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2073 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2074 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2075 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2076 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2077 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2078 2079 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2080 if (separateProcesses != null && separateProcesses.length() > 0) { 2081 if ("*".equals(separateProcesses)) { 2082 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2083 mSeparateProcesses = null; 2084 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2085 } else { 2086 mDefParseFlags = 0; 2087 mSeparateProcesses = separateProcesses.split(","); 2088 Slog.w(TAG, "Running with debug.separate_processes: " 2089 + separateProcesses); 2090 } 2091 } else { 2092 mDefParseFlags = 0; 2093 mSeparateProcesses = null; 2094 } 2095 2096 mInstaller = installer; 2097 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2098 "*dexopt*"); 2099 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2100 2101 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2102 FgThread.get().getLooper()); 2103 2104 getDefaultDisplayMetrics(context, mMetrics); 2105 2106 SystemConfig systemConfig = SystemConfig.getInstance(); 2107 mGlobalGids = systemConfig.getGlobalGids(); 2108 mSystemPermissions = systemConfig.getSystemPermissions(); 2109 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2110 2111 mProtectedPackages = new ProtectedPackages(mContext); 2112 2113 synchronized (mInstallLock) { 2114 // writer 2115 synchronized (mPackages) { 2116 mHandlerThread = new ServiceThread(TAG, 2117 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2118 mHandlerThread.start(); 2119 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2120 mProcessLoggingHandler = new ProcessLoggingHandler(); 2121 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2122 2123 File dataDir = Environment.getDataDirectory(); 2124 mAppInstallDir = new File(dataDir, "app"); 2125 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2126 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2127 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2128 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2129 2130 sUserManager = new UserManagerService(context, this, mPackages); 2131 2132 // Propagate permission configuration in to package manager. 2133 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2134 = systemConfig.getPermissions(); 2135 for (int i=0; i<permConfig.size(); i++) { 2136 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2137 BasePermission bp = mSettings.mPermissions.get(perm.name); 2138 if (bp == null) { 2139 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2140 mSettings.mPermissions.put(perm.name, bp); 2141 } 2142 if (perm.gids != null) { 2143 bp.setGids(perm.gids, perm.perUser); 2144 } 2145 } 2146 2147 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2148 for (int i=0; i<libConfig.size(); i++) { 2149 mSharedLibraries.put(libConfig.keyAt(i), 2150 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2151 } 2152 2153 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2154 2155 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2156 2157 if (mFirstBoot) { 2158 requestCopyPreoptedFiles(); 2159 } 2160 2161 String customResolverActivity = Resources.getSystem().getString( 2162 R.string.config_customResolverActivity); 2163 if (TextUtils.isEmpty(customResolverActivity)) { 2164 customResolverActivity = null; 2165 } else { 2166 mCustomResolverComponentName = ComponentName.unflattenFromString( 2167 customResolverActivity); 2168 } 2169 2170 long startTime = SystemClock.uptimeMillis(); 2171 2172 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2173 startTime); 2174 2175 // Set flag to monitor and not change apk file paths when 2176 // scanning install directories. 2177 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2178 2179 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2180 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2181 2182 if (bootClassPath == null) { 2183 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2184 } 2185 2186 if (systemServerClassPath == null) { 2187 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2188 } 2189 2190 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2191 final String[] dexCodeInstructionSets = 2192 getDexCodeInstructionSets( 2193 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2194 2195 /** 2196 * Ensure all external libraries have had dexopt run on them. 2197 */ 2198 if (mSharedLibraries.size() > 0) { 2199 // NOTE: For now, we're compiling these system "shared libraries" 2200 // (and framework jars) into all available architectures. It's possible 2201 // to compile them only when we come across an app that uses them (there's 2202 // already logic for that in scanPackageLI) but that adds some complexity. 2203 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2204 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2205 final String lib = libEntry.path; 2206 if (lib == null) { 2207 continue; 2208 } 2209 2210 try { 2211 // Shared libraries do not have profiles so we perform a full 2212 // AOT compilation (if needed). 2213 int dexoptNeeded = DexFile.getDexOptNeeded( 2214 lib, dexCodeInstructionSet, 2215 getCompilerFilterForReason(REASON_SHARED_APK), 2216 false /* newProfile */); 2217 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2218 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2219 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2220 getCompilerFilterForReason(REASON_SHARED_APK), 2221 StorageManager.UUID_PRIVATE_INTERNAL, 2222 SKIP_SHARED_LIBRARY_CHECK); 2223 } 2224 } catch (FileNotFoundException e) { 2225 Slog.w(TAG, "Library not found: " + lib); 2226 } catch (IOException | InstallerException e) { 2227 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2228 + e.getMessage()); 2229 } 2230 } 2231 } 2232 } 2233 2234 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2235 2236 final VersionInfo ver = mSettings.getInternalVersion(); 2237 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2238 2239 // when upgrading from pre-M, promote system app permissions from install to runtime 2240 mPromoteSystemApps = 2241 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2242 2243 // When upgrading from pre-N, we need to handle package extraction like first boot, 2244 // as there is no profiling data available. 2245 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2246 2247 // save off the names of pre-existing system packages prior to scanning; we don't 2248 // want to automatically grant runtime permissions for new system apps 2249 if (mPromoteSystemApps) { 2250 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2251 while (pkgSettingIter.hasNext()) { 2252 PackageSetting ps = pkgSettingIter.next(); 2253 if (isSystemApp(ps)) { 2254 mExistingSystemPackages.add(ps.name); 2255 } 2256 } 2257 } 2258 2259 // Collect vendor overlay packages. 2260 // (Do this before scanning any apps.) 2261 // For security and version matching reason, only consider 2262 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2263 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2264 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2265 | PackageParser.PARSE_IS_SYSTEM 2266 | PackageParser.PARSE_IS_SYSTEM_DIR 2267 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2268 2269 // Find base frameworks (resource packages without code). 2270 scanDirTracedLI(frameworkDir, mDefParseFlags 2271 | PackageParser.PARSE_IS_SYSTEM 2272 | PackageParser.PARSE_IS_SYSTEM_DIR 2273 | PackageParser.PARSE_IS_PRIVILEGED, 2274 scanFlags | SCAN_NO_DEX, 0); 2275 2276 // Collected privileged system packages. 2277 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2278 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2279 | PackageParser.PARSE_IS_SYSTEM 2280 | PackageParser.PARSE_IS_SYSTEM_DIR 2281 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2282 2283 // Collect ordinary system packages. 2284 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2285 scanDirTracedLI(systemAppDir, mDefParseFlags 2286 | PackageParser.PARSE_IS_SYSTEM 2287 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2288 2289 // Collect all vendor packages. 2290 File vendorAppDir = new File("/vendor/app"); 2291 try { 2292 vendorAppDir = vendorAppDir.getCanonicalFile(); 2293 } catch (IOException e) { 2294 // failed to look up canonical path, continue with original one 2295 } 2296 scanDirTracedLI(vendorAppDir, mDefParseFlags 2297 | PackageParser.PARSE_IS_SYSTEM 2298 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2299 2300 // Collect all OEM packages. 2301 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2302 scanDirTracedLI(oemAppDir, mDefParseFlags 2303 | PackageParser.PARSE_IS_SYSTEM 2304 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2305 2306 // Prune any system packages that no longer exist. 2307 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2308 if (!mOnlyCore) { 2309 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2310 while (psit.hasNext()) { 2311 PackageSetting ps = psit.next(); 2312 2313 /* 2314 * If this is not a system app, it can't be a 2315 * disable system app. 2316 */ 2317 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2318 continue; 2319 } 2320 2321 /* 2322 * If the package is scanned, it's not erased. 2323 */ 2324 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2325 if (scannedPkg != null) { 2326 /* 2327 * If the system app is both scanned and in the 2328 * disabled packages list, then it must have been 2329 * added via OTA. Remove it from the currently 2330 * scanned package so the previously user-installed 2331 * application can be scanned. 2332 */ 2333 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2334 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2335 + ps.name + "; removing system app. Last known codePath=" 2336 + ps.codePathString + ", installStatus=" + ps.installStatus 2337 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2338 + scannedPkg.mVersionCode); 2339 removePackageLI(scannedPkg, true); 2340 mExpectingBetter.put(ps.name, ps.codePath); 2341 } 2342 2343 continue; 2344 } 2345 2346 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2347 psit.remove(); 2348 logCriticalInfo(Log.WARN, "System package " + ps.name 2349 + " no longer exists; it's data will be wiped"); 2350 // Actual deletion of code and data will be handled by later 2351 // reconciliation step 2352 } else { 2353 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2354 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2355 possiblyDeletedUpdatedSystemApps.add(ps.name); 2356 } 2357 } 2358 } 2359 } 2360 2361 //look for any incomplete package installations 2362 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2363 for (int i = 0; i < deletePkgsList.size(); i++) { 2364 // Actual deletion of code and data will be handled by later 2365 // reconciliation step 2366 final String packageName = deletePkgsList.get(i).name; 2367 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2368 synchronized (mPackages) { 2369 mSettings.removePackageLPw(packageName); 2370 } 2371 } 2372 2373 //delete tmp files 2374 deleteTempPackageFiles(); 2375 2376 // Remove any shared userIDs that have no associated packages 2377 mSettings.pruneSharedUsersLPw(); 2378 2379 if (!mOnlyCore) { 2380 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2381 SystemClock.uptimeMillis()); 2382 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2383 2384 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2385 | PackageParser.PARSE_FORWARD_LOCK, 2386 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2387 2388 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2389 | PackageParser.PARSE_IS_EPHEMERAL, 2390 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2391 2392 /** 2393 * Remove disable package settings for any updated system 2394 * apps that were removed via an OTA. If they're not a 2395 * previously-updated app, remove them completely. 2396 * Otherwise, just revoke their system-level permissions. 2397 */ 2398 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2399 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2400 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2401 2402 String msg; 2403 if (deletedPkg == null) { 2404 msg = "Updated system package " + deletedAppName 2405 + " no longer exists; it's data will be wiped"; 2406 // Actual deletion of code and data will be handled by later 2407 // reconciliation step 2408 } else { 2409 msg = "Updated system app + " + deletedAppName 2410 + " no longer present; removing system privileges for " 2411 + deletedAppName; 2412 2413 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2414 2415 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2416 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2417 } 2418 logCriticalInfo(Log.WARN, msg); 2419 } 2420 2421 /** 2422 * Make sure all system apps that we expected to appear on 2423 * the userdata partition actually showed up. If they never 2424 * appeared, crawl back and revive the system version. 2425 */ 2426 for (int i = 0; i < mExpectingBetter.size(); i++) { 2427 final String packageName = mExpectingBetter.keyAt(i); 2428 if (!mPackages.containsKey(packageName)) { 2429 final File scanFile = mExpectingBetter.valueAt(i); 2430 2431 logCriticalInfo(Log.WARN, "Expected better " + packageName 2432 + " but never showed up; reverting to system"); 2433 2434 int reparseFlags = mDefParseFlags; 2435 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2436 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2437 | PackageParser.PARSE_IS_SYSTEM_DIR 2438 | PackageParser.PARSE_IS_PRIVILEGED; 2439 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2440 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2441 | PackageParser.PARSE_IS_SYSTEM_DIR; 2442 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2443 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2444 | PackageParser.PARSE_IS_SYSTEM_DIR; 2445 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2446 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2447 | PackageParser.PARSE_IS_SYSTEM_DIR; 2448 } else { 2449 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2450 continue; 2451 } 2452 2453 mSettings.enableSystemPackageLPw(packageName); 2454 2455 try { 2456 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2457 } catch (PackageManagerException e) { 2458 Slog.e(TAG, "Failed to parse original system package: " 2459 + e.getMessage()); 2460 } 2461 } 2462 } 2463 } 2464 mExpectingBetter.clear(); 2465 2466 // Resolve protected action filters. Only the setup wizard is allowed to 2467 // have a high priority filter for these actions. 2468 mSetupWizardPackage = getSetupWizardPackageName(); 2469 if (mProtectedFilters.size() > 0) { 2470 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2471 Slog.i(TAG, "No setup wizard;" 2472 + " All protected intents capped to priority 0"); 2473 } 2474 for (ActivityIntentInfo filter : mProtectedFilters) { 2475 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2476 if (DEBUG_FILTERS) { 2477 Slog.i(TAG, "Found setup wizard;" 2478 + " allow priority " + filter.getPriority() + ";" 2479 + " package: " + filter.activity.info.packageName 2480 + " activity: " + filter.activity.className 2481 + " priority: " + filter.getPriority()); 2482 } 2483 // skip setup wizard; allow it to keep the high priority filter 2484 continue; 2485 } 2486 Slog.w(TAG, "Protected action; cap priority to 0;" 2487 + " package: " + filter.activity.info.packageName 2488 + " activity: " + filter.activity.className 2489 + " origPrio: " + filter.getPriority()); 2490 filter.setPriority(0); 2491 } 2492 } 2493 mDeferProtectedFilters = false; 2494 mProtectedFilters.clear(); 2495 2496 // Now that we know all of the shared libraries, update all clients to have 2497 // the correct library paths. 2498 updateAllSharedLibrariesLPw(); 2499 2500 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2501 // NOTE: We ignore potential failures here during a system scan (like 2502 // the rest of the commands above) because there's precious little we 2503 // can do about it. A settings error is reported, though. 2504 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2505 false /* boot complete */); 2506 } 2507 2508 // Now that we know all the packages we are keeping, 2509 // read and update their last usage times. 2510 mPackageUsage.read(mPackages); 2511 mCompilerStats.read(); 2512 2513 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2514 SystemClock.uptimeMillis()); 2515 Slog.i(TAG, "Time to scan packages: " 2516 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2517 + " seconds"); 2518 2519 // If the platform SDK has changed since the last time we booted, 2520 // we need to re-grant app permission to catch any new ones that 2521 // appear. This is really a hack, and means that apps can in some 2522 // cases get permissions that the user didn't initially explicitly 2523 // allow... it would be nice to have some better way to handle 2524 // this situation. 2525 int updateFlags = UPDATE_PERMISSIONS_ALL; 2526 if (ver.sdkVersion != mSdkVersion) { 2527 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2528 + mSdkVersion + "; regranting permissions for internal storage"); 2529 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2530 } 2531 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2532 ver.sdkVersion = mSdkVersion; 2533 2534 // If this is the first boot or an update from pre-M, and it is a normal 2535 // boot, then we need to initialize the default preferred apps across 2536 // all defined users. 2537 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2538 for (UserInfo user : sUserManager.getUsers(true)) { 2539 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2540 applyFactoryDefaultBrowserLPw(user.id); 2541 primeDomainVerificationsLPw(user.id); 2542 } 2543 } 2544 2545 // Prepare storage for system user really early during boot, 2546 // since core system apps like SettingsProvider and SystemUI 2547 // can't wait for user to start 2548 final int storageFlags; 2549 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2550 storageFlags = StorageManager.FLAG_STORAGE_DE; 2551 } else { 2552 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2553 } 2554 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2555 storageFlags, true /* migrateAppData */); 2556 2557 // If this is first boot after an OTA, and a normal boot, then 2558 // we need to clear code cache directories. 2559 // Note that we do *not* clear the application profiles. These remain valid 2560 // across OTAs and are used to drive profile verification (post OTA) and 2561 // profile compilation (without waiting to collect a fresh set of profiles). 2562 if (mIsUpgrade && !onlyCore) { 2563 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2564 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2565 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2566 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2567 // No apps are running this early, so no need to freeze 2568 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2569 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2570 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2571 } 2572 } 2573 ver.fingerprint = Build.FINGERPRINT; 2574 } 2575 2576 checkDefaultBrowser(); 2577 2578 // clear only after permissions and other defaults have been updated 2579 mExistingSystemPackages.clear(); 2580 mPromoteSystemApps = false; 2581 2582 // All the changes are done during package scanning. 2583 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2584 2585 // can downgrade to reader 2586 mSettings.writeLPr(); 2587 2588 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2589 // early on (before the package manager declares itself as early) because other 2590 // components in the system server might ask for package contexts for these apps. 2591 // 2592 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2593 // (i.e, that the data partition is unavailable). 2594 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2595 long start = System.nanoTime(); 2596 List<PackageParser.Package> coreApps = new ArrayList<>(); 2597 for (PackageParser.Package pkg : mPackages.values()) { 2598 if (pkg.coreApp) { 2599 coreApps.add(pkg); 2600 } 2601 } 2602 2603 int[] stats = performDexOptUpgrade(coreApps, false, 2604 getCompilerFilterForReason(REASON_CORE_APP)); 2605 2606 final int elapsedTimeSeconds = 2607 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2608 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2609 2610 if (DEBUG_DEXOPT) { 2611 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2612 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2613 } 2614 2615 2616 // TODO: Should we log these stats to tron too ? 2617 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2618 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2619 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2620 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2621 } 2622 2623 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2624 SystemClock.uptimeMillis()); 2625 2626 if (!mOnlyCore) { 2627 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2628 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2629 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2630 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2631 mIntentFilterVerifierComponent); 2632 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2633 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2634 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2635 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2636 } else { 2637 mRequiredVerifierPackage = null; 2638 mRequiredInstallerPackage = null; 2639 mIntentFilterVerifierComponent = null; 2640 mIntentFilterVerifier = null; 2641 mServicesSystemSharedLibraryPackageName = null; 2642 mSharedSystemSharedLibraryPackageName = null; 2643 } 2644 2645 mInstallerService = new PackageInstallerService(context, this); 2646 2647 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2648 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2649 // both the installer and resolver must be present to enable ephemeral 2650 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2651 if (DEBUG_EPHEMERAL) { 2652 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2653 + " installer:" + ephemeralInstallerComponent); 2654 } 2655 mEphemeralResolverComponent = ephemeralResolverComponent; 2656 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2657 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2658 mEphemeralResolverConnection = 2659 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2660 } else { 2661 if (DEBUG_EPHEMERAL) { 2662 final String missingComponent = 2663 (ephemeralResolverComponent == null) 2664 ? (ephemeralInstallerComponent == null) 2665 ? "resolver and installer" 2666 : "resolver" 2667 : "installer"; 2668 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2669 } 2670 mEphemeralResolverComponent = null; 2671 mEphemeralInstallerComponent = null; 2672 mEphemeralResolverConnection = null; 2673 } 2674 2675 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2676 } // synchronized (mPackages) 2677 } // synchronized (mInstallLock) 2678 2679 // Now after opening every single application zip, make sure they 2680 // are all flushed. Not really needed, but keeps things nice and 2681 // tidy. 2682 Runtime.getRuntime().gc(); 2683 2684 // The initial scanning above does many calls into installd while 2685 // holding the mPackages lock, but we're mostly interested in yelling 2686 // once we have a booted system. 2687 mInstaller.setWarnIfHeld(mPackages); 2688 2689 // Expose private service for system components to use. 2690 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2691 } 2692 2693 @Override 2694 public boolean isFirstBoot() { 2695 return mFirstBoot; 2696 } 2697 2698 @Override 2699 public boolean isOnlyCoreApps() { 2700 return mOnlyCore; 2701 } 2702 2703 @Override 2704 public boolean isUpgrade() { 2705 return mIsUpgrade; 2706 } 2707 2708 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2709 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2710 2711 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2712 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2713 UserHandle.USER_SYSTEM); 2714 if (matches.size() == 1) { 2715 return matches.get(0).getComponentInfo().packageName; 2716 } else { 2717 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2718 return null; 2719 } 2720 } 2721 2722 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2723 synchronized (mPackages) { 2724 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2725 if (libraryEntry == null) { 2726 throw new IllegalStateException("Missing required shared library:" + libraryName); 2727 } 2728 return libraryEntry.apk; 2729 } 2730 } 2731 2732 private @NonNull String getRequiredInstallerLPr() { 2733 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2734 intent.addCategory(Intent.CATEGORY_DEFAULT); 2735 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2736 2737 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2738 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2739 UserHandle.USER_SYSTEM); 2740 if (matches.size() == 1) { 2741 ResolveInfo resolveInfo = matches.get(0); 2742 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2743 throw new RuntimeException("The installer must be a privileged app"); 2744 } 2745 return matches.get(0).getComponentInfo().packageName; 2746 } else { 2747 throw new RuntimeException("There must be exactly one installer; found " + matches); 2748 } 2749 } 2750 2751 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2752 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2753 2754 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2755 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2756 UserHandle.USER_SYSTEM); 2757 ResolveInfo best = null; 2758 final int N = matches.size(); 2759 for (int i = 0; i < N; i++) { 2760 final ResolveInfo cur = matches.get(i); 2761 final String packageName = cur.getComponentInfo().packageName; 2762 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2763 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2764 continue; 2765 } 2766 2767 if (best == null || cur.priority > best.priority) { 2768 best = cur; 2769 } 2770 } 2771 2772 if (best != null) { 2773 return best.getComponentInfo().getComponentName(); 2774 } else { 2775 throw new RuntimeException("There must be at least one intent filter verifier"); 2776 } 2777 } 2778 2779 private @Nullable ComponentName getEphemeralResolverLPr() { 2780 final String[] packageArray = 2781 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2782 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2783 if (DEBUG_EPHEMERAL) { 2784 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2785 } 2786 return null; 2787 } 2788 2789 final int resolveFlags = 2790 MATCH_DIRECT_BOOT_AWARE 2791 | MATCH_DIRECT_BOOT_UNAWARE 2792 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2793 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2794 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2795 resolveFlags, UserHandle.USER_SYSTEM); 2796 2797 final int N = resolvers.size(); 2798 if (N == 0) { 2799 if (DEBUG_EPHEMERAL) { 2800 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2801 } 2802 return null; 2803 } 2804 2805 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2806 for (int i = 0; i < N; i++) { 2807 final ResolveInfo info = resolvers.get(i); 2808 2809 if (info.serviceInfo == null) { 2810 continue; 2811 } 2812 2813 final String packageName = info.serviceInfo.packageName; 2814 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2815 if (DEBUG_EPHEMERAL) { 2816 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2817 + " pkg: " + packageName + ", info:" + info); 2818 } 2819 continue; 2820 } 2821 2822 if (DEBUG_EPHEMERAL) { 2823 Slog.v(TAG, "Ephemeral resolver found;" 2824 + " pkg: " + packageName + ", info:" + info); 2825 } 2826 return new ComponentName(packageName, info.serviceInfo.name); 2827 } 2828 if (DEBUG_EPHEMERAL) { 2829 Slog.v(TAG, "Ephemeral resolver NOT found"); 2830 } 2831 return null; 2832 } 2833 2834 private @Nullable ComponentName getEphemeralInstallerLPr() { 2835 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2836 intent.addCategory(Intent.CATEGORY_DEFAULT); 2837 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2838 2839 final int resolveFlags = 2840 MATCH_DIRECT_BOOT_AWARE 2841 | MATCH_DIRECT_BOOT_UNAWARE 2842 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2843 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2844 resolveFlags, UserHandle.USER_SYSTEM); 2845 if (matches.size() == 0) { 2846 return null; 2847 } else if (matches.size() == 1) { 2848 return matches.get(0).getComponentInfo().getComponentName(); 2849 } else { 2850 throw new RuntimeException( 2851 "There must be at most one ephemeral installer; found " + matches); 2852 } 2853 } 2854 2855 private void primeDomainVerificationsLPw(int userId) { 2856 if (DEBUG_DOMAIN_VERIFICATION) { 2857 Slog.d(TAG, "Priming domain verifications in user " + userId); 2858 } 2859 2860 SystemConfig systemConfig = SystemConfig.getInstance(); 2861 ArraySet<String> packages = systemConfig.getLinkedApps(); 2862 ArraySet<String> domains = new ArraySet<String>(); 2863 2864 for (String packageName : packages) { 2865 PackageParser.Package pkg = mPackages.get(packageName); 2866 if (pkg != null) { 2867 if (!pkg.isSystemApp()) { 2868 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2869 continue; 2870 } 2871 2872 domains.clear(); 2873 for (PackageParser.Activity a : pkg.activities) { 2874 for (ActivityIntentInfo filter : a.intents) { 2875 if (hasValidDomains(filter)) { 2876 domains.addAll(filter.getHostsList()); 2877 } 2878 } 2879 } 2880 2881 if (domains.size() > 0) { 2882 if (DEBUG_DOMAIN_VERIFICATION) { 2883 Slog.v(TAG, " + " + packageName); 2884 } 2885 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2886 // state w.r.t. the formal app-linkage "no verification attempted" state; 2887 // and then 'always' in the per-user state actually used for intent resolution. 2888 final IntentFilterVerificationInfo ivi; 2889 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2890 new ArrayList<String>(domains)); 2891 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2892 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2893 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2894 } else { 2895 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2896 + "' does not handle web links"); 2897 } 2898 } else { 2899 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2900 } 2901 } 2902 2903 scheduleWritePackageRestrictionsLocked(userId); 2904 scheduleWriteSettingsLocked(); 2905 } 2906 2907 private void applyFactoryDefaultBrowserLPw(int userId) { 2908 // The default browser app's package name is stored in a string resource, 2909 // with a product-specific overlay used for vendor customization. 2910 String browserPkg = mContext.getResources().getString( 2911 com.android.internal.R.string.default_browser); 2912 if (!TextUtils.isEmpty(browserPkg)) { 2913 // non-empty string => required to be a known package 2914 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2915 if (ps == null) { 2916 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2917 browserPkg = null; 2918 } else { 2919 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2920 } 2921 } 2922 2923 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2924 // default. If there's more than one, just leave everything alone. 2925 if (browserPkg == null) { 2926 calculateDefaultBrowserLPw(userId); 2927 } 2928 } 2929 2930 private void calculateDefaultBrowserLPw(int userId) { 2931 List<String> allBrowsers = resolveAllBrowserApps(userId); 2932 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2933 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2934 } 2935 2936 private List<String> resolveAllBrowserApps(int userId) { 2937 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2938 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2939 PackageManager.MATCH_ALL, userId); 2940 2941 final int count = list.size(); 2942 List<String> result = new ArrayList<String>(count); 2943 for (int i=0; i<count; i++) { 2944 ResolveInfo info = list.get(i); 2945 if (info.activityInfo == null 2946 || !info.handleAllWebDataURI 2947 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2948 || result.contains(info.activityInfo.packageName)) { 2949 continue; 2950 } 2951 result.add(info.activityInfo.packageName); 2952 } 2953 2954 return result; 2955 } 2956 2957 private boolean packageIsBrowser(String packageName, int userId) { 2958 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2959 PackageManager.MATCH_ALL, userId); 2960 final int N = list.size(); 2961 for (int i = 0; i < N; i++) { 2962 ResolveInfo info = list.get(i); 2963 if (packageName.equals(info.activityInfo.packageName)) { 2964 return true; 2965 } 2966 } 2967 return false; 2968 } 2969 2970 private void checkDefaultBrowser() { 2971 final int myUserId = UserHandle.myUserId(); 2972 final String packageName = getDefaultBrowserPackageName(myUserId); 2973 if (packageName != null) { 2974 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2975 if (info == null) { 2976 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2977 synchronized (mPackages) { 2978 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2979 } 2980 } 2981 } 2982 } 2983 2984 @Override 2985 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2986 throws RemoteException { 2987 try { 2988 return super.onTransact(code, data, reply, flags); 2989 } catch (RuntimeException e) { 2990 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2991 Slog.wtf(TAG, "Package Manager Crash", e); 2992 } 2993 throw e; 2994 } 2995 } 2996 2997 static int[] appendInts(int[] cur, int[] add) { 2998 if (add == null) return cur; 2999 if (cur == null) return add; 3000 final int N = add.length; 3001 for (int i=0; i<N; i++) { 3002 cur = appendInt(cur, add[i]); 3003 } 3004 return cur; 3005 } 3006 3007 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3008 if (!sUserManager.exists(userId)) return null; 3009 if (ps == null) { 3010 return null; 3011 } 3012 final PackageParser.Package p = ps.pkg; 3013 if (p == null) { 3014 return null; 3015 } 3016 3017 final PermissionsState permissionsState = ps.getPermissionsState(); 3018 3019 // Compute GIDs only if requested 3020 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3021 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3022 // Compute granted permissions only if package has requested permissions 3023 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3024 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3025 final PackageUserState state = ps.readUserState(userId); 3026 3027 return PackageParser.generatePackageInfo(p, gids, flags, 3028 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3029 } 3030 3031 @Override 3032 public void checkPackageStartable(String packageName, int userId) { 3033 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3034 3035 synchronized (mPackages) { 3036 final PackageSetting ps = mSettings.mPackages.get(packageName); 3037 if (ps == null) { 3038 throw new SecurityException("Package " + packageName + " was not found!"); 3039 } 3040 3041 if (!ps.getInstalled(userId)) { 3042 throw new SecurityException( 3043 "Package " + packageName + " was not installed for user " + userId + "!"); 3044 } 3045 3046 if (mSafeMode && !ps.isSystem()) { 3047 throw new SecurityException("Package " + packageName + " not a system app!"); 3048 } 3049 3050 if (mFrozenPackages.contains(packageName)) { 3051 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3052 } 3053 3054 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3055 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3056 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3057 } 3058 } 3059 } 3060 3061 @Override 3062 public boolean isPackageAvailable(String packageName, int userId) { 3063 if (!sUserManager.exists(userId)) return false; 3064 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3065 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3066 synchronized (mPackages) { 3067 PackageParser.Package p = mPackages.get(packageName); 3068 if (p != null) { 3069 final PackageSetting ps = (PackageSetting) p.mExtras; 3070 if (ps != null) { 3071 final PackageUserState state = ps.readUserState(userId); 3072 if (state != null) { 3073 return PackageParser.isAvailable(state); 3074 } 3075 } 3076 } 3077 } 3078 return false; 3079 } 3080 3081 @Override 3082 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3083 if (!sUserManager.exists(userId)) return null; 3084 flags = updateFlagsForPackage(flags, userId, packageName); 3085 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3086 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3087 // reader 3088 synchronized (mPackages) { 3089 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3090 PackageParser.Package p = null; 3091 if (matchFactoryOnly) { 3092 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3093 if (ps != null) { 3094 return generatePackageInfo(ps, flags, userId); 3095 } 3096 } 3097 if (p == null) { 3098 p = mPackages.get(packageName); 3099 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3100 return null; 3101 } 3102 } 3103 if (DEBUG_PACKAGE_INFO) 3104 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3105 if (p != null) { 3106 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3107 } 3108 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3109 final PackageSetting ps = mSettings.mPackages.get(packageName); 3110 return generatePackageInfo(ps, flags, userId); 3111 } 3112 } 3113 return null; 3114 } 3115 3116 @Override 3117 public String[] currentToCanonicalPackageNames(String[] names) { 3118 String[] out = new String[names.length]; 3119 // reader 3120 synchronized (mPackages) { 3121 for (int i=names.length-1; i>=0; i--) { 3122 PackageSetting ps = mSettings.mPackages.get(names[i]); 3123 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3124 } 3125 } 3126 return out; 3127 } 3128 3129 @Override 3130 public String[] canonicalToCurrentPackageNames(String[] names) { 3131 String[] out = new String[names.length]; 3132 // reader 3133 synchronized (mPackages) { 3134 for (int i=names.length-1; i>=0; i--) { 3135 String cur = mSettings.mRenamedPackages.get(names[i]); 3136 out[i] = cur != null ? cur : names[i]; 3137 } 3138 } 3139 return out; 3140 } 3141 3142 @Override 3143 public int getPackageUid(String packageName, int flags, int userId) { 3144 if (!sUserManager.exists(userId)) return -1; 3145 flags = updateFlagsForPackage(flags, userId, packageName); 3146 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3147 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3148 3149 // reader 3150 synchronized (mPackages) { 3151 final PackageParser.Package p = mPackages.get(packageName); 3152 if (p != null && p.isMatch(flags)) { 3153 return UserHandle.getUid(userId, p.applicationInfo.uid); 3154 } 3155 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3156 final PackageSetting ps = mSettings.mPackages.get(packageName); 3157 if (ps != null && ps.isMatch(flags)) { 3158 return UserHandle.getUid(userId, ps.appId); 3159 } 3160 } 3161 } 3162 3163 return -1; 3164 } 3165 3166 @Override 3167 public int[] getPackageGids(String packageName, int flags, int userId) { 3168 if (!sUserManager.exists(userId)) return null; 3169 flags = updateFlagsForPackage(flags, userId, packageName); 3170 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3171 false /* requireFullPermission */, false /* checkShell */, 3172 "getPackageGids"); 3173 3174 // reader 3175 synchronized (mPackages) { 3176 final PackageParser.Package p = mPackages.get(packageName); 3177 if (p != null && p.isMatch(flags)) { 3178 PackageSetting ps = (PackageSetting) p.mExtras; 3179 return ps.getPermissionsState().computeGids(userId); 3180 } 3181 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3182 final PackageSetting ps = mSettings.mPackages.get(packageName); 3183 if (ps != null && ps.isMatch(flags)) { 3184 return ps.getPermissionsState().computeGids(userId); 3185 } 3186 } 3187 } 3188 3189 return null; 3190 } 3191 3192 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3193 if (bp.perm != null) { 3194 return PackageParser.generatePermissionInfo(bp.perm, flags); 3195 } 3196 PermissionInfo pi = new PermissionInfo(); 3197 pi.name = bp.name; 3198 pi.packageName = bp.sourcePackage; 3199 pi.nonLocalizedLabel = bp.name; 3200 pi.protectionLevel = bp.protectionLevel; 3201 return pi; 3202 } 3203 3204 @Override 3205 public PermissionInfo getPermissionInfo(String name, int flags) { 3206 // reader 3207 synchronized (mPackages) { 3208 final BasePermission p = mSettings.mPermissions.get(name); 3209 if (p != null) { 3210 return generatePermissionInfo(p, flags); 3211 } 3212 return null; 3213 } 3214 } 3215 3216 @Override 3217 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3218 int flags) { 3219 // reader 3220 synchronized (mPackages) { 3221 if (group != null && !mPermissionGroups.containsKey(group)) { 3222 // This is thrown as NameNotFoundException 3223 return null; 3224 } 3225 3226 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3227 for (BasePermission p : mSettings.mPermissions.values()) { 3228 if (group == null) { 3229 if (p.perm == null || p.perm.info.group == null) { 3230 out.add(generatePermissionInfo(p, flags)); 3231 } 3232 } else { 3233 if (p.perm != null && group.equals(p.perm.info.group)) { 3234 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3235 } 3236 } 3237 } 3238 return new ParceledListSlice<>(out); 3239 } 3240 } 3241 3242 @Override 3243 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3244 // reader 3245 synchronized (mPackages) { 3246 return PackageParser.generatePermissionGroupInfo( 3247 mPermissionGroups.get(name), flags); 3248 } 3249 } 3250 3251 @Override 3252 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3253 // reader 3254 synchronized (mPackages) { 3255 final int N = mPermissionGroups.size(); 3256 ArrayList<PermissionGroupInfo> out 3257 = new ArrayList<PermissionGroupInfo>(N); 3258 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3259 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3260 } 3261 return new ParceledListSlice<>(out); 3262 } 3263 } 3264 3265 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3266 int userId) { 3267 if (!sUserManager.exists(userId)) return null; 3268 PackageSetting ps = mSettings.mPackages.get(packageName); 3269 if (ps != null) { 3270 if (ps.pkg == null) { 3271 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3272 if (pInfo != null) { 3273 return pInfo.applicationInfo; 3274 } 3275 return null; 3276 } 3277 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3278 ps.readUserState(userId), userId); 3279 } 3280 return null; 3281 } 3282 3283 @Override 3284 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3285 if (!sUserManager.exists(userId)) return null; 3286 flags = updateFlagsForApplication(flags, userId, packageName); 3287 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3288 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3289 // writer 3290 synchronized (mPackages) { 3291 PackageParser.Package p = mPackages.get(packageName); 3292 if (DEBUG_PACKAGE_INFO) Log.v( 3293 TAG, "getApplicationInfo " + packageName 3294 + ": " + p); 3295 if (p != null) { 3296 PackageSetting ps = mSettings.mPackages.get(packageName); 3297 if (ps == null) return null; 3298 // Note: isEnabledLP() does not apply here - always return info 3299 return PackageParser.generateApplicationInfo( 3300 p, flags, ps.readUserState(userId), userId); 3301 } 3302 if ("android".equals(packageName)||"system".equals(packageName)) { 3303 return mAndroidApplication; 3304 } 3305 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3306 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3307 } 3308 } 3309 return null; 3310 } 3311 3312 @Override 3313 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3314 final IPackageDataObserver observer) { 3315 mContext.enforceCallingOrSelfPermission( 3316 android.Manifest.permission.CLEAR_APP_CACHE, null); 3317 // Queue up an async operation since clearing cache may take a little while. 3318 mHandler.post(new Runnable() { 3319 public void run() { 3320 mHandler.removeCallbacks(this); 3321 boolean success = true; 3322 synchronized (mInstallLock) { 3323 try { 3324 mInstaller.freeCache(volumeUuid, freeStorageSize); 3325 } catch (InstallerException e) { 3326 Slog.w(TAG, "Couldn't clear application caches: " + e); 3327 success = false; 3328 } 3329 } 3330 if (observer != null) { 3331 try { 3332 observer.onRemoveCompleted(null, success); 3333 } catch (RemoteException e) { 3334 Slog.w(TAG, "RemoveException when invoking call back"); 3335 } 3336 } 3337 } 3338 }); 3339 } 3340 3341 @Override 3342 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3343 final IntentSender pi) { 3344 mContext.enforceCallingOrSelfPermission( 3345 android.Manifest.permission.CLEAR_APP_CACHE, null); 3346 // Queue up an async operation since clearing cache may take a little while. 3347 mHandler.post(new Runnable() { 3348 public void run() { 3349 mHandler.removeCallbacks(this); 3350 boolean success = true; 3351 synchronized (mInstallLock) { 3352 try { 3353 mInstaller.freeCache(volumeUuid, freeStorageSize); 3354 } catch (InstallerException e) { 3355 Slog.w(TAG, "Couldn't clear application caches: " + e); 3356 success = false; 3357 } 3358 } 3359 if(pi != null) { 3360 try { 3361 // Callback via pending intent 3362 int code = success ? 1 : 0; 3363 pi.sendIntent(null, code, null, 3364 null, null); 3365 } catch (SendIntentException e1) { 3366 Slog.i(TAG, "Failed to send pending intent"); 3367 } 3368 } 3369 } 3370 }); 3371 } 3372 3373 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3374 synchronized (mInstallLock) { 3375 try { 3376 mInstaller.freeCache(volumeUuid, freeStorageSize); 3377 } catch (InstallerException e) { 3378 throw new IOException("Failed to free enough space", e); 3379 } 3380 } 3381 } 3382 3383 /** 3384 * Update given flags based on encryption status of current user. 3385 */ 3386 private int updateFlags(int flags, int userId) { 3387 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3388 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3389 // Caller expressed an explicit opinion about what encryption 3390 // aware/unaware components they want to see, so fall through and 3391 // give them what they want 3392 } else { 3393 // Caller expressed no opinion, so match based on user state 3394 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3395 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3396 } else { 3397 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3398 } 3399 } 3400 return flags; 3401 } 3402 3403 private UserManagerInternal getUserManagerInternal() { 3404 if (mUserManagerInternal == null) { 3405 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3406 } 3407 return mUserManagerInternal; 3408 } 3409 3410 /** 3411 * Update given flags when being used to request {@link PackageInfo}. 3412 */ 3413 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3414 boolean triaged = true; 3415 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3416 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3417 // Caller is asking for component details, so they'd better be 3418 // asking for specific encryption matching behavior, or be triaged 3419 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3420 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3421 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3422 triaged = false; 3423 } 3424 } 3425 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3426 | PackageManager.MATCH_SYSTEM_ONLY 3427 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3428 triaged = false; 3429 } 3430 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3431 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3432 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3433 } 3434 return updateFlags(flags, userId); 3435 } 3436 3437 /** 3438 * Update given flags when being used to request {@link ApplicationInfo}. 3439 */ 3440 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3441 return updateFlagsForPackage(flags, userId, cookie); 3442 } 3443 3444 /** 3445 * Update given flags when being used to request {@link ComponentInfo}. 3446 */ 3447 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3448 if (cookie instanceof Intent) { 3449 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3450 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3451 } 3452 } 3453 3454 boolean triaged = true; 3455 // Caller is asking for component details, so they'd better be 3456 // asking for specific encryption matching behavior, or be triaged 3457 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3458 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3459 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3460 triaged = false; 3461 } 3462 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3463 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3464 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3465 } 3466 3467 return updateFlags(flags, userId); 3468 } 3469 3470 /** 3471 * Update given flags when being used to request {@link ResolveInfo}. 3472 */ 3473 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3474 // Safe mode means we shouldn't match any third-party components 3475 if (mSafeMode) { 3476 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3477 } 3478 3479 return updateFlagsForComponent(flags, userId, cookie); 3480 } 3481 3482 @Override 3483 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3484 if (!sUserManager.exists(userId)) return null; 3485 flags = updateFlagsForComponent(flags, userId, component); 3486 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3487 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3488 synchronized (mPackages) { 3489 PackageParser.Activity a = mActivities.mActivities.get(component); 3490 3491 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3492 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3493 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3494 if (ps == null) return null; 3495 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3496 userId); 3497 } 3498 if (mResolveComponentName.equals(component)) { 3499 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3500 new PackageUserState(), userId); 3501 } 3502 } 3503 return null; 3504 } 3505 3506 @Override 3507 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3508 String resolvedType) { 3509 synchronized (mPackages) { 3510 if (component.equals(mResolveComponentName)) { 3511 // The resolver supports EVERYTHING! 3512 return true; 3513 } 3514 PackageParser.Activity a = mActivities.mActivities.get(component); 3515 if (a == null) { 3516 return false; 3517 } 3518 for (int i=0; i<a.intents.size(); i++) { 3519 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3520 intent.getData(), intent.getCategories(), TAG) >= 0) { 3521 return true; 3522 } 3523 } 3524 return false; 3525 } 3526 } 3527 3528 @Override 3529 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3530 if (!sUserManager.exists(userId)) return null; 3531 flags = updateFlagsForComponent(flags, userId, component); 3532 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3533 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3534 synchronized (mPackages) { 3535 PackageParser.Activity a = mReceivers.mActivities.get(component); 3536 if (DEBUG_PACKAGE_INFO) Log.v( 3537 TAG, "getReceiverInfo " + component + ": " + a); 3538 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3539 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3540 if (ps == null) return null; 3541 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3542 userId); 3543 } 3544 } 3545 return null; 3546 } 3547 3548 @Override 3549 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3550 if (!sUserManager.exists(userId)) return null; 3551 flags = updateFlagsForComponent(flags, userId, component); 3552 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3553 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3554 synchronized (mPackages) { 3555 PackageParser.Service s = mServices.mServices.get(component); 3556 if (DEBUG_PACKAGE_INFO) Log.v( 3557 TAG, "getServiceInfo " + component + ": " + s); 3558 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3559 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3560 if (ps == null) return null; 3561 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3562 userId); 3563 } 3564 } 3565 return null; 3566 } 3567 3568 @Override 3569 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3570 if (!sUserManager.exists(userId)) return null; 3571 flags = updateFlagsForComponent(flags, userId, component); 3572 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3573 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3574 synchronized (mPackages) { 3575 PackageParser.Provider p = mProviders.mProviders.get(component); 3576 if (DEBUG_PACKAGE_INFO) Log.v( 3577 TAG, "getProviderInfo " + component + ": " + p); 3578 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3579 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3580 if (ps == null) return null; 3581 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3582 userId); 3583 } 3584 } 3585 return null; 3586 } 3587 3588 @Override 3589 public String[] getSystemSharedLibraryNames() { 3590 Set<String> libSet; 3591 synchronized (mPackages) { 3592 libSet = mSharedLibraries.keySet(); 3593 int size = libSet.size(); 3594 if (size > 0) { 3595 String[] libs = new String[size]; 3596 libSet.toArray(libs); 3597 return libs; 3598 } 3599 } 3600 return null; 3601 } 3602 3603 @Override 3604 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3605 synchronized (mPackages) { 3606 return mServicesSystemSharedLibraryPackageName; 3607 } 3608 } 3609 3610 @Override 3611 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3612 synchronized (mPackages) { 3613 return mSharedSystemSharedLibraryPackageName; 3614 } 3615 } 3616 3617 @Override 3618 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3619 synchronized (mPackages) { 3620 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3621 3622 final FeatureInfo fi = new FeatureInfo(); 3623 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3624 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3625 res.add(fi); 3626 3627 return new ParceledListSlice<>(res); 3628 } 3629 } 3630 3631 @Override 3632 public boolean hasSystemFeature(String name, int version) { 3633 synchronized (mPackages) { 3634 final FeatureInfo feat = mAvailableFeatures.get(name); 3635 if (feat == null) { 3636 return false; 3637 } else { 3638 return feat.version >= version; 3639 } 3640 } 3641 } 3642 3643 @Override 3644 public int checkPermission(String permName, String pkgName, int userId) { 3645 if (!sUserManager.exists(userId)) { 3646 return PackageManager.PERMISSION_DENIED; 3647 } 3648 3649 synchronized (mPackages) { 3650 final PackageParser.Package p = mPackages.get(pkgName); 3651 if (p != null && p.mExtras != null) { 3652 final PackageSetting ps = (PackageSetting) p.mExtras; 3653 final PermissionsState permissionsState = ps.getPermissionsState(); 3654 if (permissionsState.hasPermission(permName, userId)) { 3655 return PackageManager.PERMISSION_GRANTED; 3656 } 3657 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3658 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3659 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3660 return PackageManager.PERMISSION_GRANTED; 3661 } 3662 } 3663 } 3664 3665 return PackageManager.PERMISSION_DENIED; 3666 } 3667 3668 @Override 3669 public int checkUidPermission(String permName, int uid) { 3670 final int userId = UserHandle.getUserId(uid); 3671 3672 if (!sUserManager.exists(userId)) { 3673 return PackageManager.PERMISSION_DENIED; 3674 } 3675 3676 synchronized (mPackages) { 3677 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3678 if (obj != null) { 3679 final SettingBase ps = (SettingBase) obj; 3680 final PermissionsState permissionsState = ps.getPermissionsState(); 3681 if (permissionsState.hasPermission(permName, userId)) { 3682 return PackageManager.PERMISSION_GRANTED; 3683 } 3684 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3685 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3686 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3687 return PackageManager.PERMISSION_GRANTED; 3688 } 3689 } else { 3690 ArraySet<String> perms = mSystemPermissions.get(uid); 3691 if (perms != null) { 3692 if (perms.contains(permName)) { 3693 return PackageManager.PERMISSION_GRANTED; 3694 } 3695 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3696 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3697 return PackageManager.PERMISSION_GRANTED; 3698 } 3699 } 3700 } 3701 } 3702 3703 return PackageManager.PERMISSION_DENIED; 3704 } 3705 3706 @Override 3707 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3708 if (UserHandle.getCallingUserId() != userId) { 3709 mContext.enforceCallingPermission( 3710 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3711 "isPermissionRevokedByPolicy for user " + userId); 3712 } 3713 3714 if (checkPermission(permission, packageName, userId) 3715 == PackageManager.PERMISSION_GRANTED) { 3716 return false; 3717 } 3718 3719 final long identity = Binder.clearCallingIdentity(); 3720 try { 3721 final int flags = getPermissionFlags(permission, packageName, userId); 3722 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3723 } finally { 3724 Binder.restoreCallingIdentity(identity); 3725 } 3726 } 3727 3728 @Override 3729 public String getPermissionControllerPackageName() { 3730 synchronized (mPackages) { 3731 return mRequiredInstallerPackage; 3732 } 3733 } 3734 3735 /** 3736 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3737 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3738 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3739 * @param message the message to log on security exception 3740 */ 3741 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3742 boolean checkShell, String message) { 3743 if (userId < 0) { 3744 throw new IllegalArgumentException("Invalid userId " + userId); 3745 } 3746 if (checkShell) { 3747 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3748 } 3749 if (userId == UserHandle.getUserId(callingUid)) return; 3750 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3751 if (requireFullPermission) { 3752 mContext.enforceCallingOrSelfPermission( 3753 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3754 } else { 3755 try { 3756 mContext.enforceCallingOrSelfPermission( 3757 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3758 } catch (SecurityException se) { 3759 mContext.enforceCallingOrSelfPermission( 3760 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3761 } 3762 } 3763 } 3764 } 3765 3766 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3767 if (callingUid == Process.SHELL_UID) { 3768 if (userHandle >= 0 3769 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3770 throw new SecurityException("Shell does not have permission to access user " 3771 + userHandle); 3772 } else if (userHandle < 0) { 3773 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3774 + Debug.getCallers(3)); 3775 } 3776 } 3777 } 3778 3779 private BasePermission findPermissionTreeLP(String permName) { 3780 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3781 if (permName.startsWith(bp.name) && 3782 permName.length() > bp.name.length() && 3783 permName.charAt(bp.name.length()) == '.') { 3784 return bp; 3785 } 3786 } 3787 return null; 3788 } 3789 3790 private BasePermission checkPermissionTreeLP(String permName) { 3791 if (permName != null) { 3792 BasePermission bp = findPermissionTreeLP(permName); 3793 if (bp != null) { 3794 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3795 return bp; 3796 } 3797 throw new SecurityException("Calling uid " 3798 + Binder.getCallingUid() 3799 + " is not allowed to add to permission tree " 3800 + bp.name + " owned by uid " + bp.uid); 3801 } 3802 } 3803 throw new SecurityException("No permission tree found for " + permName); 3804 } 3805 3806 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3807 if (s1 == null) { 3808 return s2 == null; 3809 } 3810 if (s2 == null) { 3811 return false; 3812 } 3813 if (s1.getClass() != s2.getClass()) { 3814 return false; 3815 } 3816 return s1.equals(s2); 3817 } 3818 3819 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3820 if (pi1.icon != pi2.icon) return false; 3821 if (pi1.logo != pi2.logo) return false; 3822 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3823 if (!compareStrings(pi1.name, pi2.name)) return false; 3824 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3825 // We'll take care of setting this one. 3826 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3827 // These are not currently stored in settings. 3828 //if (!compareStrings(pi1.group, pi2.group)) return false; 3829 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3830 //if (pi1.labelRes != pi2.labelRes) return false; 3831 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3832 return true; 3833 } 3834 3835 int permissionInfoFootprint(PermissionInfo info) { 3836 int size = info.name.length(); 3837 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3838 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3839 return size; 3840 } 3841 3842 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3843 int size = 0; 3844 for (BasePermission perm : mSettings.mPermissions.values()) { 3845 if (perm.uid == tree.uid) { 3846 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3847 } 3848 } 3849 return size; 3850 } 3851 3852 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3853 // We calculate the max size of permissions defined by this uid and throw 3854 // if that plus the size of 'info' would exceed our stated maximum. 3855 if (tree.uid != Process.SYSTEM_UID) { 3856 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3857 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3858 throw new SecurityException("Permission tree size cap exceeded"); 3859 } 3860 } 3861 } 3862 3863 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3864 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3865 throw new SecurityException("Label must be specified in permission"); 3866 } 3867 BasePermission tree = checkPermissionTreeLP(info.name); 3868 BasePermission bp = mSettings.mPermissions.get(info.name); 3869 boolean added = bp == null; 3870 boolean changed = true; 3871 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3872 if (added) { 3873 enforcePermissionCapLocked(info, tree); 3874 bp = new BasePermission(info.name, tree.sourcePackage, 3875 BasePermission.TYPE_DYNAMIC); 3876 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3877 throw new SecurityException( 3878 "Not allowed to modify non-dynamic permission " 3879 + info.name); 3880 } else { 3881 if (bp.protectionLevel == fixedLevel 3882 && bp.perm.owner.equals(tree.perm.owner) 3883 && bp.uid == tree.uid 3884 && comparePermissionInfos(bp.perm.info, info)) { 3885 changed = false; 3886 } 3887 } 3888 bp.protectionLevel = fixedLevel; 3889 info = new PermissionInfo(info); 3890 info.protectionLevel = fixedLevel; 3891 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3892 bp.perm.info.packageName = tree.perm.info.packageName; 3893 bp.uid = tree.uid; 3894 if (added) { 3895 mSettings.mPermissions.put(info.name, bp); 3896 } 3897 if (changed) { 3898 if (!async) { 3899 mSettings.writeLPr(); 3900 } else { 3901 scheduleWriteSettingsLocked(); 3902 } 3903 } 3904 return added; 3905 } 3906 3907 @Override 3908 public boolean addPermission(PermissionInfo info) { 3909 synchronized (mPackages) { 3910 return addPermissionLocked(info, false); 3911 } 3912 } 3913 3914 @Override 3915 public boolean addPermissionAsync(PermissionInfo info) { 3916 synchronized (mPackages) { 3917 return addPermissionLocked(info, true); 3918 } 3919 } 3920 3921 @Override 3922 public void removePermission(String name) { 3923 synchronized (mPackages) { 3924 checkPermissionTreeLP(name); 3925 BasePermission bp = mSettings.mPermissions.get(name); 3926 if (bp != null) { 3927 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3928 throw new SecurityException( 3929 "Not allowed to modify non-dynamic permission " 3930 + name); 3931 } 3932 mSettings.mPermissions.remove(name); 3933 mSettings.writeLPr(); 3934 } 3935 } 3936 } 3937 3938 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3939 BasePermission bp) { 3940 int index = pkg.requestedPermissions.indexOf(bp.name); 3941 if (index == -1) { 3942 throw new SecurityException("Package " + pkg.packageName 3943 + " has not requested permission " + bp.name); 3944 } 3945 if (!bp.isRuntime() && !bp.isDevelopment()) { 3946 throw new SecurityException("Permission " + bp.name 3947 + " is not a changeable permission type"); 3948 } 3949 } 3950 3951 @Override 3952 public void grantRuntimePermission(String packageName, String name, final int userId) { 3953 if (!sUserManager.exists(userId)) { 3954 Log.e(TAG, "No such user:" + userId); 3955 return; 3956 } 3957 3958 mContext.enforceCallingOrSelfPermission( 3959 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3960 "grantRuntimePermission"); 3961 3962 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3963 true /* requireFullPermission */, true /* checkShell */, 3964 "grantRuntimePermission"); 3965 3966 final int uid; 3967 final SettingBase sb; 3968 3969 synchronized (mPackages) { 3970 final PackageParser.Package pkg = mPackages.get(packageName); 3971 if (pkg == null) { 3972 throw new IllegalArgumentException("Unknown package: " + packageName); 3973 } 3974 3975 final BasePermission bp = mSettings.mPermissions.get(name); 3976 if (bp == null) { 3977 throw new IllegalArgumentException("Unknown permission: " + name); 3978 } 3979 3980 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3981 3982 // If a permission review is required for legacy apps we represent 3983 // their permissions as always granted runtime ones since we need 3984 // to keep the review required permission flag per user while an 3985 // install permission's state is shared across all users. 3986 if (Build.PERMISSIONS_REVIEW_REQUIRED 3987 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3988 && bp.isRuntime()) { 3989 return; 3990 } 3991 3992 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3993 sb = (SettingBase) pkg.mExtras; 3994 if (sb == null) { 3995 throw new IllegalArgumentException("Unknown package: " + packageName); 3996 } 3997 3998 final PermissionsState permissionsState = sb.getPermissionsState(); 3999 4000 final int flags = permissionsState.getPermissionFlags(name, userId); 4001 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4002 throw new SecurityException("Cannot grant system fixed permission " 4003 + name + " for package " + packageName); 4004 } 4005 4006 if (bp.isDevelopment()) { 4007 // Development permissions must be handled specially, since they are not 4008 // normal runtime permissions. For now they apply to all users. 4009 if (permissionsState.grantInstallPermission(bp) != 4010 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4011 scheduleWriteSettingsLocked(); 4012 } 4013 return; 4014 } 4015 4016 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4017 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4018 return; 4019 } 4020 4021 final int result = permissionsState.grantRuntimePermission(bp, userId); 4022 switch (result) { 4023 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4024 return; 4025 } 4026 4027 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4028 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4029 mHandler.post(new Runnable() { 4030 @Override 4031 public void run() { 4032 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4033 } 4034 }); 4035 } 4036 break; 4037 } 4038 4039 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4040 4041 // Not critical if that is lost - app has to request again. 4042 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4043 } 4044 4045 // Only need to do this if user is initialized. Otherwise it's a new user 4046 // and there are no processes running as the user yet and there's no need 4047 // to make an expensive call to remount processes for the changed permissions. 4048 if (READ_EXTERNAL_STORAGE.equals(name) 4049 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4050 final long token = Binder.clearCallingIdentity(); 4051 try { 4052 if (sUserManager.isInitialized(userId)) { 4053 MountServiceInternal mountServiceInternal = LocalServices.getService( 4054 MountServiceInternal.class); 4055 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4056 } 4057 } finally { 4058 Binder.restoreCallingIdentity(token); 4059 } 4060 } 4061 } 4062 4063 @Override 4064 public void revokeRuntimePermission(String packageName, String name, int userId) { 4065 if (!sUserManager.exists(userId)) { 4066 Log.e(TAG, "No such user:" + userId); 4067 return; 4068 } 4069 4070 mContext.enforceCallingOrSelfPermission( 4071 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4072 "revokeRuntimePermission"); 4073 4074 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4075 true /* requireFullPermission */, true /* checkShell */, 4076 "revokeRuntimePermission"); 4077 4078 final int appId; 4079 4080 synchronized (mPackages) { 4081 final PackageParser.Package pkg = mPackages.get(packageName); 4082 if (pkg == null) { 4083 throw new IllegalArgumentException("Unknown package: " + packageName); 4084 } 4085 4086 final BasePermission bp = mSettings.mPermissions.get(name); 4087 if (bp == null) { 4088 throw new IllegalArgumentException("Unknown permission: " + name); 4089 } 4090 4091 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4092 4093 // If a permission review is required for legacy apps we represent 4094 // their permissions as always granted runtime ones since we need 4095 // to keep the review required permission flag per user while an 4096 // install permission's state is shared across all users. 4097 if (Build.PERMISSIONS_REVIEW_REQUIRED 4098 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4099 && bp.isRuntime()) { 4100 return; 4101 } 4102 4103 SettingBase sb = (SettingBase) pkg.mExtras; 4104 if (sb == null) { 4105 throw new IllegalArgumentException("Unknown package: " + packageName); 4106 } 4107 4108 final PermissionsState permissionsState = sb.getPermissionsState(); 4109 4110 final int flags = permissionsState.getPermissionFlags(name, userId); 4111 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4112 throw new SecurityException("Cannot revoke system fixed permission " 4113 + name + " for package " + packageName); 4114 } 4115 4116 if (bp.isDevelopment()) { 4117 // Development permissions must be handled specially, since they are not 4118 // normal runtime permissions. For now they apply to all users. 4119 if (permissionsState.revokeInstallPermission(bp) != 4120 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4121 scheduleWriteSettingsLocked(); 4122 } 4123 return; 4124 } 4125 4126 if (permissionsState.revokeRuntimePermission(bp, userId) == 4127 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4128 return; 4129 } 4130 4131 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4132 4133 // Critical, after this call app should never have the permission. 4134 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4135 4136 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4137 } 4138 4139 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4140 } 4141 4142 @Override 4143 public void resetRuntimePermissions() { 4144 mContext.enforceCallingOrSelfPermission( 4145 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4146 "revokeRuntimePermission"); 4147 4148 int callingUid = Binder.getCallingUid(); 4149 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4150 mContext.enforceCallingOrSelfPermission( 4151 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4152 "resetRuntimePermissions"); 4153 } 4154 4155 synchronized (mPackages) { 4156 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4157 for (int userId : UserManagerService.getInstance().getUserIds()) { 4158 final int packageCount = mPackages.size(); 4159 for (int i = 0; i < packageCount; i++) { 4160 PackageParser.Package pkg = mPackages.valueAt(i); 4161 if (!(pkg.mExtras instanceof PackageSetting)) { 4162 continue; 4163 } 4164 PackageSetting ps = (PackageSetting) pkg.mExtras; 4165 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4166 } 4167 } 4168 } 4169 } 4170 4171 @Override 4172 public int getPermissionFlags(String name, String packageName, int userId) { 4173 if (!sUserManager.exists(userId)) { 4174 return 0; 4175 } 4176 4177 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4178 4179 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4180 true /* requireFullPermission */, false /* checkShell */, 4181 "getPermissionFlags"); 4182 4183 synchronized (mPackages) { 4184 final PackageParser.Package pkg = mPackages.get(packageName); 4185 if (pkg == null) { 4186 return 0; 4187 } 4188 4189 final BasePermission bp = mSettings.mPermissions.get(name); 4190 if (bp == null) { 4191 return 0; 4192 } 4193 4194 SettingBase sb = (SettingBase) pkg.mExtras; 4195 if (sb == null) { 4196 return 0; 4197 } 4198 4199 PermissionsState permissionsState = sb.getPermissionsState(); 4200 return permissionsState.getPermissionFlags(name, userId); 4201 } 4202 } 4203 4204 @Override 4205 public void updatePermissionFlags(String name, String packageName, int flagMask, 4206 int flagValues, int userId) { 4207 if (!sUserManager.exists(userId)) { 4208 return; 4209 } 4210 4211 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4212 4213 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4214 true /* requireFullPermission */, true /* checkShell */, 4215 "updatePermissionFlags"); 4216 4217 // Only the system can change these flags and nothing else. 4218 if (getCallingUid() != Process.SYSTEM_UID) { 4219 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4220 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4221 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4222 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4223 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4224 } 4225 4226 synchronized (mPackages) { 4227 final PackageParser.Package pkg = mPackages.get(packageName); 4228 if (pkg == null) { 4229 throw new IllegalArgumentException("Unknown package: " + packageName); 4230 } 4231 4232 final BasePermission bp = mSettings.mPermissions.get(name); 4233 if (bp == null) { 4234 throw new IllegalArgumentException("Unknown permission: " + name); 4235 } 4236 4237 SettingBase sb = (SettingBase) pkg.mExtras; 4238 if (sb == null) { 4239 throw new IllegalArgumentException("Unknown package: " + packageName); 4240 } 4241 4242 PermissionsState permissionsState = sb.getPermissionsState(); 4243 4244 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4245 4246 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4247 // Install and runtime permissions are stored in different places, 4248 // so figure out what permission changed and persist the change. 4249 if (permissionsState.getInstallPermissionState(name) != null) { 4250 scheduleWriteSettingsLocked(); 4251 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4252 || hadState) { 4253 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4254 } 4255 } 4256 } 4257 } 4258 4259 /** 4260 * Update the permission flags for all packages and runtime permissions of a user in order 4261 * to allow device or profile owner to remove POLICY_FIXED. 4262 */ 4263 @Override 4264 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4265 if (!sUserManager.exists(userId)) { 4266 return; 4267 } 4268 4269 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4270 4271 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4272 true /* requireFullPermission */, true /* checkShell */, 4273 "updatePermissionFlagsForAllApps"); 4274 4275 // Only the system can change system fixed flags. 4276 if (getCallingUid() != Process.SYSTEM_UID) { 4277 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4278 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4279 } 4280 4281 synchronized (mPackages) { 4282 boolean changed = false; 4283 final int packageCount = mPackages.size(); 4284 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4285 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4286 SettingBase sb = (SettingBase) pkg.mExtras; 4287 if (sb == null) { 4288 continue; 4289 } 4290 PermissionsState permissionsState = sb.getPermissionsState(); 4291 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4292 userId, flagMask, flagValues); 4293 } 4294 if (changed) { 4295 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4296 } 4297 } 4298 } 4299 4300 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4301 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4302 != PackageManager.PERMISSION_GRANTED 4303 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4304 != PackageManager.PERMISSION_GRANTED) { 4305 throw new SecurityException(message + " requires " 4306 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4307 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4308 } 4309 } 4310 4311 @Override 4312 public boolean shouldShowRequestPermissionRationale(String permissionName, 4313 String packageName, int userId) { 4314 if (UserHandle.getCallingUserId() != userId) { 4315 mContext.enforceCallingPermission( 4316 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4317 "canShowRequestPermissionRationale for user " + userId); 4318 } 4319 4320 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4321 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4322 return false; 4323 } 4324 4325 if (checkPermission(permissionName, packageName, userId) 4326 == PackageManager.PERMISSION_GRANTED) { 4327 return false; 4328 } 4329 4330 final int flags; 4331 4332 final long identity = Binder.clearCallingIdentity(); 4333 try { 4334 flags = getPermissionFlags(permissionName, 4335 packageName, userId); 4336 } finally { 4337 Binder.restoreCallingIdentity(identity); 4338 } 4339 4340 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4341 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4342 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4343 4344 if ((flags & fixedFlags) != 0) { 4345 return false; 4346 } 4347 4348 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4349 } 4350 4351 @Override 4352 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4353 mContext.enforceCallingOrSelfPermission( 4354 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4355 "addOnPermissionsChangeListener"); 4356 4357 synchronized (mPackages) { 4358 mOnPermissionChangeListeners.addListenerLocked(listener); 4359 } 4360 } 4361 4362 @Override 4363 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4364 synchronized (mPackages) { 4365 mOnPermissionChangeListeners.removeListenerLocked(listener); 4366 } 4367 } 4368 4369 @Override 4370 public boolean isProtectedBroadcast(String actionName) { 4371 synchronized (mPackages) { 4372 if (mProtectedBroadcasts.contains(actionName)) { 4373 return true; 4374 } else if (actionName != null) { 4375 // TODO: remove these terrible hacks 4376 if (actionName.startsWith("android.net.netmon.lingerExpired") 4377 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4378 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4379 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4380 return true; 4381 } 4382 } 4383 } 4384 return false; 4385 } 4386 4387 @Override 4388 public int checkSignatures(String pkg1, String pkg2) { 4389 synchronized (mPackages) { 4390 final PackageParser.Package p1 = mPackages.get(pkg1); 4391 final PackageParser.Package p2 = mPackages.get(pkg2); 4392 if (p1 == null || p1.mExtras == null 4393 || p2 == null || p2.mExtras == null) { 4394 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4395 } 4396 return compareSignatures(p1.mSignatures, p2.mSignatures); 4397 } 4398 } 4399 4400 @Override 4401 public int checkUidSignatures(int uid1, int uid2) { 4402 // Map to base uids. 4403 uid1 = UserHandle.getAppId(uid1); 4404 uid2 = UserHandle.getAppId(uid2); 4405 // reader 4406 synchronized (mPackages) { 4407 Signature[] s1; 4408 Signature[] s2; 4409 Object obj = mSettings.getUserIdLPr(uid1); 4410 if (obj != null) { 4411 if (obj instanceof SharedUserSetting) { 4412 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4413 } else if (obj instanceof PackageSetting) { 4414 s1 = ((PackageSetting)obj).signatures.mSignatures; 4415 } else { 4416 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4417 } 4418 } else { 4419 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4420 } 4421 obj = mSettings.getUserIdLPr(uid2); 4422 if (obj != null) { 4423 if (obj instanceof SharedUserSetting) { 4424 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4425 } else if (obj instanceof PackageSetting) { 4426 s2 = ((PackageSetting)obj).signatures.mSignatures; 4427 } else { 4428 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4429 } 4430 } else { 4431 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4432 } 4433 return compareSignatures(s1, s2); 4434 } 4435 } 4436 4437 /** 4438 * This method should typically only be used when granting or revoking 4439 * permissions, since the app may immediately restart after this call. 4440 * <p> 4441 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4442 * guard your work against the app being relaunched. 4443 */ 4444 private void killUid(int appId, int userId, String reason) { 4445 final long identity = Binder.clearCallingIdentity(); 4446 try { 4447 IActivityManager am = ActivityManagerNative.getDefault(); 4448 if (am != null) { 4449 try { 4450 am.killUid(appId, userId, reason); 4451 } catch (RemoteException e) { 4452 /* ignore - same process */ 4453 } 4454 } 4455 } finally { 4456 Binder.restoreCallingIdentity(identity); 4457 } 4458 } 4459 4460 /** 4461 * Compares two sets of signatures. Returns: 4462 * <br /> 4463 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4464 * <br /> 4465 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4466 * <br /> 4467 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4468 * <br /> 4469 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4470 * <br /> 4471 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4472 */ 4473 static int compareSignatures(Signature[] s1, Signature[] s2) { 4474 if (s1 == null) { 4475 return s2 == null 4476 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4477 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4478 } 4479 4480 if (s2 == null) { 4481 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4482 } 4483 4484 if (s1.length != s2.length) { 4485 return PackageManager.SIGNATURE_NO_MATCH; 4486 } 4487 4488 // Since both signature sets are of size 1, we can compare without HashSets. 4489 if (s1.length == 1) { 4490 return s1[0].equals(s2[0]) ? 4491 PackageManager.SIGNATURE_MATCH : 4492 PackageManager.SIGNATURE_NO_MATCH; 4493 } 4494 4495 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4496 for (Signature sig : s1) { 4497 set1.add(sig); 4498 } 4499 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4500 for (Signature sig : s2) { 4501 set2.add(sig); 4502 } 4503 // Make sure s2 contains all signatures in s1. 4504 if (set1.equals(set2)) { 4505 return PackageManager.SIGNATURE_MATCH; 4506 } 4507 return PackageManager.SIGNATURE_NO_MATCH; 4508 } 4509 4510 /** 4511 * If the database version for this type of package (internal storage or 4512 * external storage) is less than the version where package signatures 4513 * were updated, return true. 4514 */ 4515 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4516 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4517 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4518 } 4519 4520 /** 4521 * Used for backward compatibility to make sure any packages with 4522 * certificate chains get upgraded to the new style. {@code existingSigs} 4523 * will be in the old format (since they were stored on disk from before the 4524 * system upgrade) and {@code scannedSigs} will be in the newer format. 4525 */ 4526 private int compareSignaturesCompat(PackageSignatures existingSigs, 4527 PackageParser.Package scannedPkg) { 4528 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4529 return PackageManager.SIGNATURE_NO_MATCH; 4530 } 4531 4532 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4533 for (Signature sig : existingSigs.mSignatures) { 4534 existingSet.add(sig); 4535 } 4536 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4537 for (Signature sig : scannedPkg.mSignatures) { 4538 try { 4539 Signature[] chainSignatures = sig.getChainSignatures(); 4540 for (Signature chainSig : chainSignatures) { 4541 scannedCompatSet.add(chainSig); 4542 } 4543 } catch (CertificateEncodingException e) { 4544 scannedCompatSet.add(sig); 4545 } 4546 } 4547 /* 4548 * Make sure the expanded scanned set contains all signatures in the 4549 * existing one. 4550 */ 4551 if (scannedCompatSet.equals(existingSet)) { 4552 // Migrate the old signatures to the new scheme. 4553 existingSigs.assignSignatures(scannedPkg.mSignatures); 4554 // The new KeySets will be re-added later in the scanning process. 4555 synchronized (mPackages) { 4556 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4557 } 4558 return PackageManager.SIGNATURE_MATCH; 4559 } 4560 return PackageManager.SIGNATURE_NO_MATCH; 4561 } 4562 4563 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4564 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4565 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4566 } 4567 4568 private int compareSignaturesRecover(PackageSignatures existingSigs, 4569 PackageParser.Package scannedPkg) { 4570 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4571 return PackageManager.SIGNATURE_NO_MATCH; 4572 } 4573 4574 String msg = null; 4575 try { 4576 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4577 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4578 + scannedPkg.packageName); 4579 return PackageManager.SIGNATURE_MATCH; 4580 } 4581 } catch (CertificateException e) { 4582 msg = e.getMessage(); 4583 } 4584 4585 logCriticalInfo(Log.INFO, 4586 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4587 return PackageManager.SIGNATURE_NO_MATCH; 4588 } 4589 4590 @Override 4591 public List<String> getAllPackages() { 4592 synchronized (mPackages) { 4593 return new ArrayList<String>(mPackages.keySet()); 4594 } 4595 } 4596 4597 @Override 4598 public String[] getPackagesForUid(int uid) { 4599 uid = UserHandle.getAppId(uid); 4600 // reader 4601 synchronized (mPackages) { 4602 Object obj = mSettings.getUserIdLPr(uid); 4603 if (obj instanceof SharedUserSetting) { 4604 final SharedUserSetting sus = (SharedUserSetting) obj; 4605 final int N = sus.packages.size(); 4606 final String[] res = new String[N]; 4607 for (int i = 0; i < N; i++) { 4608 res[i] = sus.packages.valueAt(i).name; 4609 } 4610 return res; 4611 } else if (obj instanceof PackageSetting) { 4612 final PackageSetting ps = (PackageSetting) obj; 4613 return new String[] { ps.name }; 4614 } 4615 } 4616 return null; 4617 } 4618 4619 @Override 4620 public String getNameForUid(int uid) { 4621 // reader 4622 synchronized (mPackages) { 4623 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4624 if (obj instanceof SharedUserSetting) { 4625 final SharedUserSetting sus = (SharedUserSetting) obj; 4626 return sus.name + ":" + sus.userId; 4627 } else if (obj instanceof PackageSetting) { 4628 final PackageSetting ps = (PackageSetting) obj; 4629 return ps.name; 4630 } 4631 } 4632 return null; 4633 } 4634 4635 @Override 4636 public int getUidForSharedUser(String sharedUserName) { 4637 if(sharedUserName == null) { 4638 return -1; 4639 } 4640 // reader 4641 synchronized (mPackages) { 4642 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4643 if (suid == null) { 4644 return -1; 4645 } 4646 return suid.userId; 4647 } 4648 } 4649 4650 @Override 4651 public int getFlagsForUid(int uid) { 4652 synchronized (mPackages) { 4653 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4654 if (obj instanceof SharedUserSetting) { 4655 final SharedUserSetting sus = (SharedUserSetting) obj; 4656 return sus.pkgFlags; 4657 } else if (obj instanceof PackageSetting) { 4658 final PackageSetting ps = (PackageSetting) obj; 4659 return ps.pkgFlags; 4660 } 4661 } 4662 return 0; 4663 } 4664 4665 @Override 4666 public int getPrivateFlagsForUid(int uid) { 4667 synchronized (mPackages) { 4668 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4669 if (obj instanceof SharedUserSetting) { 4670 final SharedUserSetting sus = (SharedUserSetting) obj; 4671 return sus.pkgPrivateFlags; 4672 } else if (obj instanceof PackageSetting) { 4673 final PackageSetting ps = (PackageSetting) obj; 4674 return ps.pkgPrivateFlags; 4675 } 4676 } 4677 return 0; 4678 } 4679 4680 @Override 4681 public boolean isUidPrivileged(int uid) { 4682 uid = UserHandle.getAppId(uid); 4683 // reader 4684 synchronized (mPackages) { 4685 Object obj = mSettings.getUserIdLPr(uid); 4686 if (obj instanceof SharedUserSetting) { 4687 final SharedUserSetting sus = (SharedUserSetting) obj; 4688 final Iterator<PackageSetting> it = sus.packages.iterator(); 4689 while (it.hasNext()) { 4690 if (it.next().isPrivileged()) { 4691 return true; 4692 } 4693 } 4694 } else if (obj instanceof PackageSetting) { 4695 final PackageSetting ps = (PackageSetting) obj; 4696 return ps.isPrivileged(); 4697 } 4698 } 4699 return false; 4700 } 4701 4702 @Override 4703 public String[] getAppOpPermissionPackages(String permissionName) { 4704 synchronized (mPackages) { 4705 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4706 if (pkgs == null) { 4707 return null; 4708 } 4709 return pkgs.toArray(new String[pkgs.size()]); 4710 } 4711 } 4712 4713 @Override 4714 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4715 int flags, int userId) { 4716 try { 4717 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4718 4719 if (!sUserManager.exists(userId)) return null; 4720 flags = updateFlagsForResolve(flags, userId, intent); 4721 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4722 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4723 4724 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4725 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4726 flags, userId); 4727 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4728 4729 final ResolveInfo bestChoice = 4730 chooseBestActivity(intent, resolvedType, flags, query, userId); 4731 return bestChoice; 4732 } finally { 4733 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4734 } 4735 } 4736 4737 @Override 4738 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4739 IntentFilter filter, int match, ComponentName activity) { 4740 final int userId = UserHandle.getCallingUserId(); 4741 if (DEBUG_PREFERRED) { 4742 Log.v(TAG, "setLastChosenActivity intent=" + intent 4743 + " resolvedType=" + resolvedType 4744 + " flags=" + flags 4745 + " filter=" + filter 4746 + " match=" + match 4747 + " activity=" + activity); 4748 filter.dump(new PrintStreamPrinter(System.out), " "); 4749 } 4750 intent.setComponent(null); 4751 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4752 userId); 4753 // Find any earlier preferred or last chosen entries and nuke them 4754 findPreferredActivity(intent, resolvedType, 4755 flags, query, 0, false, true, false, userId); 4756 // Add the new activity as the last chosen for this filter 4757 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4758 "Setting last chosen"); 4759 } 4760 4761 @Override 4762 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4763 final int userId = UserHandle.getCallingUserId(); 4764 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4765 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4766 userId); 4767 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4768 false, false, false, userId); 4769 } 4770 4771 private boolean isEphemeralAllowed( 4772 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4773 boolean skipPackageCheck) { 4774 // Short circuit and return early if possible. 4775 if (DISABLE_EPHEMERAL_APPS) { 4776 return false; 4777 } 4778 final int callingUser = UserHandle.getCallingUserId(); 4779 if (callingUser != UserHandle.USER_SYSTEM) { 4780 return false; 4781 } 4782 if (mEphemeralResolverConnection == null) { 4783 return false; 4784 } 4785 if (intent.getComponent() != null) { 4786 return false; 4787 } 4788 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4789 return false; 4790 } 4791 if (!skipPackageCheck && intent.getPackage() != null) { 4792 return false; 4793 } 4794 final boolean isWebUri = hasWebURI(intent); 4795 if (!isWebUri || intent.getData().getHost() == null) { 4796 return false; 4797 } 4798 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4799 synchronized (mPackages) { 4800 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4801 for (int n = 0; n < count; n++) { 4802 ResolveInfo info = resolvedActivities.get(n); 4803 String packageName = info.activityInfo.packageName; 4804 PackageSetting ps = mSettings.mPackages.get(packageName); 4805 if (ps != null) { 4806 // Try to get the status from User settings first 4807 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4808 int status = (int) (packedStatus >> 32); 4809 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4810 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4811 if (DEBUG_EPHEMERAL) { 4812 Slog.v(TAG, "DENY ephemeral apps;" 4813 + " pkg: " + packageName + ", status: " + status); 4814 } 4815 return false; 4816 } 4817 } 4818 } 4819 } 4820 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4821 return true; 4822 } 4823 4824 private static EphemeralResolveInfo getEphemeralResolveInfo( 4825 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4826 String resolvedType, int userId, String packageName) { 4827 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4828 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4829 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4830 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4831 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4832 ephemeralPrefixCount); 4833 final int[] shaPrefix = digest.getDigestPrefix(); 4834 final byte[][] digestBytes = digest.getDigestBytes(); 4835 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4836 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4837 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4838 // No hash prefix match; there are no ephemeral apps for this domain. 4839 return null; 4840 } 4841 4842 // Go in reverse order so we match the narrowest scope first. 4843 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4844 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4845 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4846 continue; 4847 } 4848 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4849 // No filters; this should never happen. 4850 if (filters.isEmpty()) { 4851 continue; 4852 } 4853 if (packageName != null 4854 && !packageName.equals(ephemeralApplication.getPackageName())) { 4855 continue; 4856 } 4857 // We have a domain match; resolve the filters to see if anything matches. 4858 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4859 for (int j = filters.size() - 1; j >= 0; --j) { 4860 final EphemeralResolveIntentInfo intentInfo = 4861 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4862 ephemeralResolver.addFilter(intentInfo); 4863 } 4864 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4865 intent, resolvedType, false /*defaultOnly*/, userId); 4866 if (!matchedResolveInfoList.isEmpty()) { 4867 return matchedResolveInfoList.get(0); 4868 } 4869 } 4870 } 4871 // Hash or filter mis-match; no ephemeral apps for this domain. 4872 return null; 4873 } 4874 4875 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4876 int flags, List<ResolveInfo> query, int userId) { 4877 if (query != null) { 4878 final int N = query.size(); 4879 if (N == 1) { 4880 return query.get(0); 4881 } else if (N > 1) { 4882 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4883 // If there is more than one activity with the same priority, 4884 // then let the user decide between them. 4885 ResolveInfo r0 = query.get(0); 4886 ResolveInfo r1 = query.get(1); 4887 if (DEBUG_INTENT_MATCHING || debug) { 4888 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4889 + r1.activityInfo.name + "=" + r1.priority); 4890 } 4891 // If the first activity has a higher priority, or a different 4892 // default, then it is always desirable to pick it. 4893 if (r0.priority != r1.priority 4894 || r0.preferredOrder != r1.preferredOrder 4895 || r0.isDefault != r1.isDefault) { 4896 return query.get(0); 4897 } 4898 // If we have saved a preference for a preferred activity for 4899 // this Intent, use that. 4900 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4901 flags, query, r0.priority, true, false, debug, userId); 4902 if (ri != null) { 4903 return ri; 4904 } 4905 ri = new ResolveInfo(mResolveInfo); 4906 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4907 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4908 // If all of the options come from the same package, show the application's 4909 // label and icon instead of the generic resolver's. 4910 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4911 // and then throw away the ResolveInfo itself, meaning that the caller loses 4912 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4913 // a fallback for this case; we only set the target package's resources on 4914 // the ResolveInfo, not the ActivityInfo. 4915 final String intentPackage = intent.getPackage(); 4916 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4917 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4918 ri.resolvePackageName = intentPackage; 4919 if (userNeedsBadging(userId)) { 4920 ri.noResourceId = true; 4921 } else { 4922 ri.icon = appi.icon; 4923 } 4924 ri.iconResourceId = appi.icon; 4925 ri.labelRes = appi.labelRes; 4926 } 4927 ri.activityInfo.applicationInfo = new ApplicationInfo( 4928 ri.activityInfo.applicationInfo); 4929 if (userId != 0) { 4930 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4931 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4932 } 4933 // Make sure that the resolver is displayable in car mode 4934 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4935 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4936 return ri; 4937 } 4938 } 4939 return null; 4940 } 4941 4942 /** 4943 * Return true if the given list is not empty and all of its contents have 4944 * an activityInfo with the given package name. 4945 */ 4946 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4947 if (ArrayUtils.isEmpty(list)) { 4948 return false; 4949 } 4950 for (int i = 0, N = list.size(); i < N; i++) { 4951 final ResolveInfo ri = list.get(i); 4952 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4953 if (ai == null || !packageName.equals(ai.packageName)) { 4954 return false; 4955 } 4956 } 4957 return true; 4958 } 4959 4960 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4961 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4962 final int N = query.size(); 4963 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4964 .get(userId); 4965 // Get the list of persistent preferred activities that handle the intent 4966 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4967 List<PersistentPreferredActivity> pprefs = ppir != null 4968 ? ppir.queryIntent(intent, resolvedType, 4969 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4970 : null; 4971 if (pprefs != null && pprefs.size() > 0) { 4972 final int M = pprefs.size(); 4973 for (int i=0; i<M; i++) { 4974 final PersistentPreferredActivity ppa = pprefs.get(i); 4975 if (DEBUG_PREFERRED || debug) { 4976 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4977 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4978 + "\n component=" + ppa.mComponent); 4979 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4980 } 4981 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4982 flags | MATCH_DISABLED_COMPONENTS, userId); 4983 if (DEBUG_PREFERRED || debug) { 4984 Slog.v(TAG, "Found persistent preferred activity:"); 4985 if (ai != null) { 4986 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4987 } else { 4988 Slog.v(TAG, " null"); 4989 } 4990 } 4991 if (ai == null) { 4992 // This previously registered persistent preferred activity 4993 // component is no longer known. Ignore it and do NOT remove it. 4994 continue; 4995 } 4996 for (int j=0; j<N; j++) { 4997 final ResolveInfo ri = query.get(j); 4998 if (!ri.activityInfo.applicationInfo.packageName 4999 .equals(ai.applicationInfo.packageName)) { 5000 continue; 5001 } 5002 if (!ri.activityInfo.name.equals(ai.name)) { 5003 continue; 5004 } 5005 // Found a persistent preference that can handle the intent. 5006 if (DEBUG_PREFERRED || debug) { 5007 Slog.v(TAG, "Returning persistent preferred activity: " + 5008 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5009 } 5010 return ri; 5011 } 5012 } 5013 } 5014 return null; 5015 } 5016 5017 // TODO: handle preferred activities missing while user has amnesia 5018 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5019 List<ResolveInfo> query, int priority, boolean always, 5020 boolean removeMatches, boolean debug, int userId) { 5021 if (!sUserManager.exists(userId)) return null; 5022 flags = updateFlagsForResolve(flags, userId, intent); 5023 // writer 5024 synchronized (mPackages) { 5025 if (intent.getSelector() != null) { 5026 intent = intent.getSelector(); 5027 } 5028 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5029 5030 // Try to find a matching persistent preferred activity. 5031 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5032 debug, userId); 5033 5034 // If a persistent preferred activity matched, use it. 5035 if (pri != null) { 5036 return pri; 5037 } 5038 5039 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5040 // Get the list of preferred activities that handle the intent 5041 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5042 List<PreferredActivity> prefs = pir != null 5043 ? pir.queryIntent(intent, resolvedType, 5044 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5045 : null; 5046 if (prefs != null && prefs.size() > 0) { 5047 boolean changed = false; 5048 try { 5049 // First figure out how good the original match set is. 5050 // We will only allow preferred activities that came 5051 // from the same match quality. 5052 int match = 0; 5053 5054 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5055 5056 final int N = query.size(); 5057 for (int j=0; j<N; j++) { 5058 final ResolveInfo ri = query.get(j); 5059 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5060 + ": 0x" + Integer.toHexString(match)); 5061 if (ri.match > match) { 5062 match = ri.match; 5063 } 5064 } 5065 5066 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5067 + Integer.toHexString(match)); 5068 5069 match &= IntentFilter.MATCH_CATEGORY_MASK; 5070 final int M = prefs.size(); 5071 for (int i=0; i<M; i++) { 5072 final PreferredActivity pa = prefs.get(i); 5073 if (DEBUG_PREFERRED || debug) { 5074 Slog.v(TAG, "Checking PreferredActivity ds=" 5075 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5076 + "\n component=" + pa.mPref.mComponent); 5077 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5078 } 5079 if (pa.mPref.mMatch != match) { 5080 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5081 + Integer.toHexString(pa.mPref.mMatch)); 5082 continue; 5083 } 5084 // If it's not an "always" type preferred activity and that's what we're 5085 // looking for, skip it. 5086 if (always && !pa.mPref.mAlways) { 5087 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5088 continue; 5089 } 5090 final ActivityInfo ai = getActivityInfo( 5091 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5092 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5093 userId); 5094 if (DEBUG_PREFERRED || debug) { 5095 Slog.v(TAG, "Found preferred activity:"); 5096 if (ai != null) { 5097 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5098 } else { 5099 Slog.v(TAG, " null"); 5100 } 5101 } 5102 if (ai == null) { 5103 // This previously registered preferred activity 5104 // component is no longer known. Most likely an update 5105 // to the app was installed and in the new version this 5106 // component no longer exists. Clean it up by removing 5107 // it from the preferred activities list, and skip it. 5108 Slog.w(TAG, "Removing dangling preferred activity: " 5109 + pa.mPref.mComponent); 5110 pir.removeFilter(pa); 5111 changed = true; 5112 continue; 5113 } 5114 for (int j=0; j<N; j++) { 5115 final ResolveInfo ri = query.get(j); 5116 if (!ri.activityInfo.applicationInfo.packageName 5117 .equals(ai.applicationInfo.packageName)) { 5118 continue; 5119 } 5120 if (!ri.activityInfo.name.equals(ai.name)) { 5121 continue; 5122 } 5123 5124 if (removeMatches) { 5125 pir.removeFilter(pa); 5126 changed = true; 5127 if (DEBUG_PREFERRED) { 5128 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5129 } 5130 break; 5131 } 5132 5133 // Okay we found a previously set preferred or last chosen app. 5134 // If the result set is different from when this 5135 // was created, we need to clear it and re-ask the 5136 // user their preference, if we're looking for an "always" type entry. 5137 if (always && !pa.mPref.sameSet(query)) { 5138 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5139 + intent + " type " + resolvedType); 5140 if (DEBUG_PREFERRED) { 5141 Slog.v(TAG, "Removing preferred activity since set changed " 5142 + pa.mPref.mComponent); 5143 } 5144 pir.removeFilter(pa); 5145 // Re-add the filter as a "last chosen" entry (!always) 5146 PreferredActivity lastChosen = new PreferredActivity( 5147 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5148 pir.addFilter(lastChosen); 5149 changed = true; 5150 return null; 5151 } 5152 5153 // Yay! Either the set matched or we're looking for the last chosen 5154 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5155 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5156 return ri; 5157 } 5158 } 5159 } finally { 5160 if (changed) { 5161 if (DEBUG_PREFERRED) { 5162 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5163 } 5164 scheduleWritePackageRestrictionsLocked(userId); 5165 } 5166 } 5167 } 5168 } 5169 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5170 return null; 5171 } 5172 5173 /* 5174 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5175 */ 5176 @Override 5177 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5178 int targetUserId) { 5179 mContext.enforceCallingOrSelfPermission( 5180 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5181 List<CrossProfileIntentFilter> matches = 5182 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5183 if (matches != null) { 5184 int size = matches.size(); 5185 for (int i = 0; i < size; i++) { 5186 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5187 } 5188 } 5189 if (hasWebURI(intent)) { 5190 // cross-profile app linking works only towards the parent. 5191 final UserInfo parent = getProfileParent(sourceUserId); 5192 synchronized(mPackages) { 5193 int flags = updateFlagsForResolve(0, parent.id, intent); 5194 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5195 intent, resolvedType, flags, sourceUserId, parent.id); 5196 return xpDomainInfo != null; 5197 } 5198 } 5199 return false; 5200 } 5201 5202 private UserInfo getProfileParent(int userId) { 5203 final long identity = Binder.clearCallingIdentity(); 5204 try { 5205 return sUserManager.getProfileParent(userId); 5206 } finally { 5207 Binder.restoreCallingIdentity(identity); 5208 } 5209 } 5210 5211 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5212 String resolvedType, int userId) { 5213 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5214 if (resolver != null) { 5215 return resolver.queryIntent(intent, resolvedType, false, userId); 5216 } 5217 return null; 5218 } 5219 5220 @Override 5221 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5222 String resolvedType, int flags, int userId) { 5223 try { 5224 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5225 5226 return new ParceledListSlice<>( 5227 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5228 } finally { 5229 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5230 } 5231 } 5232 5233 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5234 String resolvedType, int flags, int userId) { 5235 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5236 flags = updateFlagsForResolve(flags, userId, intent); 5237 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5238 false /* requireFullPermission */, false /* checkShell */, 5239 "query intent activities"); 5240 ComponentName comp = intent.getComponent(); 5241 if (comp == null) { 5242 if (intent.getSelector() != null) { 5243 intent = intent.getSelector(); 5244 comp = intent.getComponent(); 5245 } 5246 } 5247 5248 if (comp != null) { 5249 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5250 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5251 if (ai != null) { 5252 final ResolveInfo ri = new ResolveInfo(); 5253 ri.activityInfo = ai; 5254 list.add(ri); 5255 } 5256 return list; 5257 } 5258 5259 // reader 5260 boolean sortResult = false; 5261 boolean addEphemeral = false; 5262 boolean matchEphemeralPackage = false; 5263 List<ResolveInfo> result; 5264 final String pkgName = intent.getPackage(); 5265 synchronized (mPackages) { 5266 if (pkgName == null) { 5267 List<CrossProfileIntentFilter> matchingFilters = 5268 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5269 // Check for results that need to skip the current profile. 5270 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5271 resolvedType, flags, userId); 5272 if (xpResolveInfo != null) { 5273 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5274 xpResult.add(xpResolveInfo); 5275 return filterIfNotSystemUser(xpResult, userId); 5276 } 5277 5278 // Check for results in the current profile. 5279 result = filterIfNotSystemUser(mActivities.queryIntent( 5280 intent, resolvedType, flags, userId), userId); 5281 addEphemeral = 5282 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5283 5284 // Check for cross profile results. 5285 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5286 xpResolveInfo = queryCrossProfileIntents( 5287 matchingFilters, intent, resolvedType, flags, userId, 5288 hasNonNegativePriorityResult); 5289 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5290 boolean isVisibleToUser = filterIfNotSystemUser( 5291 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5292 if (isVisibleToUser) { 5293 result.add(xpResolveInfo); 5294 sortResult = true; 5295 } 5296 } 5297 if (hasWebURI(intent)) { 5298 CrossProfileDomainInfo xpDomainInfo = null; 5299 final UserInfo parent = getProfileParent(userId); 5300 if (parent != null) { 5301 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5302 flags, userId, parent.id); 5303 } 5304 if (xpDomainInfo != null) { 5305 if (xpResolveInfo != null) { 5306 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5307 // in the result. 5308 result.remove(xpResolveInfo); 5309 } 5310 if (result.size() == 0 && !addEphemeral) { 5311 result.add(xpDomainInfo.resolveInfo); 5312 return result; 5313 } 5314 } 5315 if (result.size() > 1 || addEphemeral) { 5316 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5317 intent, flags, result, xpDomainInfo, userId); 5318 sortResult = true; 5319 } 5320 } 5321 } else { 5322 final PackageParser.Package pkg = mPackages.get(pkgName); 5323 if (pkg != null) { 5324 result = filterIfNotSystemUser( 5325 mActivities.queryIntentForPackage( 5326 intent, resolvedType, flags, pkg.activities, userId), 5327 userId); 5328 } else { 5329 // the caller wants to resolve for a particular package; however, there 5330 // were no installed results, so, try to find an ephemeral result 5331 addEphemeral = isEphemeralAllowed( 5332 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5333 matchEphemeralPackage = true; 5334 result = new ArrayList<ResolveInfo>(); 5335 } 5336 } 5337 } 5338 if (addEphemeral) { 5339 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5340 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5341 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5342 matchEphemeralPackage ? pkgName : null); 5343 if (ai != null) { 5344 if (DEBUG_EPHEMERAL) { 5345 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5346 } 5347 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5348 ephemeralInstaller.ephemeralResolveInfo = ai; 5349 // make sure this resolver is the default 5350 ephemeralInstaller.isDefault = true; 5351 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5352 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5353 // add a non-generic filter 5354 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5355 ephemeralInstaller.filter.addDataPath( 5356 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5357 result.add(ephemeralInstaller); 5358 } 5359 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5360 } 5361 if (sortResult) { 5362 Collections.sort(result, mResolvePrioritySorter); 5363 } 5364 return result; 5365 } 5366 5367 private static class CrossProfileDomainInfo { 5368 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5369 ResolveInfo resolveInfo; 5370 /* Best domain verification status of the activities found in the other profile */ 5371 int bestDomainVerificationStatus; 5372 } 5373 5374 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5375 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5376 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5377 sourceUserId)) { 5378 return null; 5379 } 5380 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5381 resolvedType, flags, parentUserId); 5382 5383 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5384 return null; 5385 } 5386 CrossProfileDomainInfo result = null; 5387 int size = resultTargetUser.size(); 5388 for (int i = 0; i < size; i++) { 5389 ResolveInfo riTargetUser = resultTargetUser.get(i); 5390 // Intent filter verification is only for filters that specify a host. So don't return 5391 // those that handle all web uris. 5392 if (riTargetUser.handleAllWebDataURI) { 5393 continue; 5394 } 5395 String packageName = riTargetUser.activityInfo.packageName; 5396 PackageSetting ps = mSettings.mPackages.get(packageName); 5397 if (ps == null) { 5398 continue; 5399 } 5400 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5401 int status = (int)(verificationState >> 32); 5402 if (result == null) { 5403 result = new CrossProfileDomainInfo(); 5404 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5405 sourceUserId, parentUserId); 5406 result.bestDomainVerificationStatus = status; 5407 } else { 5408 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5409 result.bestDomainVerificationStatus); 5410 } 5411 } 5412 // Don't consider matches with status NEVER across profiles. 5413 if (result != null && result.bestDomainVerificationStatus 5414 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5415 return null; 5416 } 5417 return result; 5418 } 5419 5420 /** 5421 * Verification statuses are ordered from the worse to the best, except for 5422 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5423 */ 5424 private int bestDomainVerificationStatus(int status1, int status2) { 5425 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5426 return status2; 5427 } 5428 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5429 return status1; 5430 } 5431 return (int) MathUtils.max(status1, status2); 5432 } 5433 5434 private boolean isUserEnabled(int userId) { 5435 long callingId = Binder.clearCallingIdentity(); 5436 try { 5437 UserInfo userInfo = sUserManager.getUserInfo(userId); 5438 return userInfo != null && userInfo.isEnabled(); 5439 } finally { 5440 Binder.restoreCallingIdentity(callingId); 5441 } 5442 } 5443 5444 /** 5445 * Filter out activities with systemUserOnly flag set, when current user is not System. 5446 * 5447 * @return filtered list 5448 */ 5449 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5450 if (userId == UserHandle.USER_SYSTEM) { 5451 return resolveInfos; 5452 } 5453 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5454 ResolveInfo info = resolveInfos.get(i); 5455 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5456 resolveInfos.remove(i); 5457 } 5458 } 5459 return resolveInfos; 5460 } 5461 5462 /** 5463 * @param resolveInfos list of resolve infos in descending priority order 5464 * @return if the list contains a resolve info with non-negative priority 5465 */ 5466 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5467 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5468 } 5469 5470 private static boolean hasWebURI(Intent intent) { 5471 if (intent.getData() == null) { 5472 return false; 5473 } 5474 final String scheme = intent.getScheme(); 5475 if (TextUtils.isEmpty(scheme)) { 5476 return false; 5477 } 5478 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5479 } 5480 5481 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5482 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5483 int userId) { 5484 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5485 5486 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5487 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5488 candidates.size()); 5489 } 5490 5491 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5492 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5493 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5494 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5495 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5496 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5497 5498 synchronized (mPackages) { 5499 final int count = candidates.size(); 5500 // First, try to use linked apps. Partition the candidates into four lists: 5501 // one for the final results, one for the "do not use ever", one for "undefined status" 5502 // and finally one for "browser app type". 5503 for (int n=0; n<count; n++) { 5504 ResolveInfo info = candidates.get(n); 5505 String packageName = info.activityInfo.packageName; 5506 PackageSetting ps = mSettings.mPackages.get(packageName); 5507 if (ps != null) { 5508 // Add to the special match all list (Browser use case) 5509 if (info.handleAllWebDataURI) { 5510 matchAllList.add(info); 5511 continue; 5512 } 5513 // Try to get the status from User settings first 5514 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5515 int status = (int)(packedStatus >> 32); 5516 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5517 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5518 if (DEBUG_DOMAIN_VERIFICATION) { 5519 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5520 + " : linkgen=" + linkGeneration); 5521 } 5522 // Use link-enabled generation as preferredOrder, i.e. 5523 // prefer newly-enabled over earlier-enabled. 5524 info.preferredOrder = linkGeneration; 5525 alwaysList.add(info); 5526 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5527 if (DEBUG_DOMAIN_VERIFICATION) { 5528 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5529 } 5530 neverList.add(info); 5531 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5532 if (DEBUG_DOMAIN_VERIFICATION) { 5533 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5534 } 5535 alwaysAskList.add(info); 5536 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5537 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5538 if (DEBUG_DOMAIN_VERIFICATION) { 5539 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5540 } 5541 undefinedList.add(info); 5542 } 5543 } 5544 } 5545 5546 // We'll want to include browser possibilities in a few cases 5547 boolean includeBrowser = false; 5548 5549 // First try to add the "always" resolution(s) for the current user, if any 5550 if (alwaysList.size() > 0) { 5551 result.addAll(alwaysList); 5552 } else { 5553 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5554 result.addAll(undefinedList); 5555 // Maybe add one for the other profile. 5556 if (xpDomainInfo != null && ( 5557 xpDomainInfo.bestDomainVerificationStatus 5558 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5559 result.add(xpDomainInfo.resolveInfo); 5560 } 5561 includeBrowser = true; 5562 } 5563 5564 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5565 // If there were 'always' entries their preferred order has been set, so we also 5566 // back that off to make the alternatives equivalent 5567 if (alwaysAskList.size() > 0) { 5568 for (ResolveInfo i : result) { 5569 i.preferredOrder = 0; 5570 } 5571 result.addAll(alwaysAskList); 5572 includeBrowser = true; 5573 } 5574 5575 if (includeBrowser) { 5576 // Also add browsers (all of them or only the default one) 5577 if (DEBUG_DOMAIN_VERIFICATION) { 5578 Slog.v(TAG, " ...including browsers in candidate set"); 5579 } 5580 if ((matchFlags & MATCH_ALL) != 0) { 5581 result.addAll(matchAllList); 5582 } else { 5583 // Browser/generic handling case. If there's a default browser, go straight 5584 // to that (but only if there is no other higher-priority match). 5585 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5586 int maxMatchPrio = 0; 5587 ResolveInfo defaultBrowserMatch = null; 5588 final int numCandidates = matchAllList.size(); 5589 for (int n = 0; n < numCandidates; n++) { 5590 ResolveInfo info = matchAllList.get(n); 5591 // track the highest overall match priority... 5592 if (info.priority > maxMatchPrio) { 5593 maxMatchPrio = info.priority; 5594 } 5595 // ...and the highest-priority default browser match 5596 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5597 if (defaultBrowserMatch == null 5598 || (defaultBrowserMatch.priority < info.priority)) { 5599 if (debug) { 5600 Slog.v(TAG, "Considering default browser match " + info); 5601 } 5602 defaultBrowserMatch = info; 5603 } 5604 } 5605 } 5606 if (defaultBrowserMatch != null 5607 && defaultBrowserMatch.priority >= maxMatchPrio 5608 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5609 { 5610 if (debug) { 5611 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5612 } 5613 result.add(defaultBrowserMatch); 5614 } else { 5615 result.addAll(matchAllList); 5616 } 5617 } 5618 5619 // If there is nothing selected, add all candidates and remove the ones that the user 5620 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5621 if (result.size() == 0) { 5622 result.addAll(candidates); 5623 result.removeAll(neverList); 5624 } 5625 } 5626 } 5627 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5628 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5629 result.size()); 5630 for (ResolveInfo info : result) { 5631 Slog.v(TAG, " + " + info.activityInfo); 5632 } 5633 } 5634 return result; 5635 } 5636 5637 // Returns a packed value as a long: 5638 // 5639 // high 'int'-sized word: link status: undefined/ask/never/always. 5640 // low 'int'-sized word: relative priority among 'always' results. 5641 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5642 long result = ps.getDomainVerificationStatusForUser(userId); 5643 // if none available, get the master status 5644 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5645 if (ps.getIntentFilterVerificationInfo() != null) { 5646 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5647 } 5648 } 5649 return result; 5650 } 5651 5652 private ResolveInfo querySkipCurrentProfileIntents( 5653 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5654 int flags, int sourceUserId) { 5655 if (matchingFilters != null) { 5656 int size = matchingFilters.size(); 5657 for (int i = 0; i < size; i ++) { 5658 CrossProfileIntentFilter filter = matchingFilters.get(i); 5659 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5660 // Checking if there are activities in the target user that can handle the 5661 // intent. 5662 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5663 resolvedType, flags, sourceUserId); 5664 if (resolveInfo != null) { 5665 return resolveInfo; 5666 } 5667 } 5668 } 5669 } 5670 return null; 5671 } 5672 5673 // Return matching ResolveInfo in target user if any. 5674 private ResolveInfo queryCrossProfileIntents( 5675 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5676 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5677 if (matchingFilters != null) { 5678 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5679 // match the same intent. For performance reasons, it is better not to 5680 // run queryIntent twice for the same userId 5681 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5682 int size = matchingFilters.size(); 5683 for (int i = 0; i < size; i++) { 5684 CrossProfileIntentFilter filter = matchingFilters.get(i); 5685 int targetUserId = filter.getTargetUserId(); 5686 boolean skipCurrentProfile = 5687 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5688 boolean skipCurrentProfileIfNoMatchFound = 5689 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5690 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5691 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5692 // Checking if there are activities in the target user that can handle the 5693 // intent. 5694 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5695 resolvedType, flags, sourceUserId); 5696 if (resolveInfo != null) return resolveInfo; 5697 alreadyTriedUserIds.put(targetUserId, true); 5698 } 5699 } 5700 } 5701 return null; 5702 } 5703 5704 /** 5705 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5706 * will forward the intent to the filter's target user. 5707 * Otherwise, returns null. 5708 */ 5709 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5710 String resolvedType, int flags, int sourceUserId) { 5711 int targetUserId = filter.getTargetUserId(); 5712 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5713 resolvedType, flags, targetUserId); 5714 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5715 // If all the matches in the target profile are suspended, return null. 5716 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5717 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5718 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5719 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5720 targetUserId); 5721 } 5722 } 5723 } 5724 return null; 5725 } 5726 5727 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5728 int sourceUserId, int targetUserId) { 5729 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5730 long ident = Binder.clearCallingIdentity(); 5731 boolean targetIsProfile; 5732 try { 5733 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5734 } finally { 5735 Binder.restoreCallingIdentity(ident); 5736 } 5737 String className; 5738 if (targetIsProfile) { 5739 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5740 } else { 5741 className = FORWARD_INTENT_TO_PARENT; 5742 } 5743 ComponentName forwardingActivityComponentName = new ComponentName( 5744 mAndroidApplication.packageName, className); 5745 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5746 sourceUserId); 5747 if (!targetIsProfile) { 5748 forwardingActivityInfo.showUserIcon = targetUserId; 5749 forwardingResolveInfo.noResourceId = true; 5750 } 5751 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5752 forwardingResolveInfo.priority = 0; 5753 forwardingResolveInfo.preferredOrder = 0; 5754 forwardingResolveInfo.match = 0; 5755 forwardingResolveInfo.isDefault = true; 5756 forwardingResolveInfo.filter = filter; 5757 forwardingResolveInfo.targetUserId = targetUserId; 5758 return forwardingResolveInfo; 5759 } 5760 5761 @Override 5762 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5763 Intent[] specifics, String[] specificTypes, Intent intent, 5764 String resolvedType, int flags, int userId) { 5765 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5766 specificTypes, intent, resolvedType, flags, userId)); 5767 } 5768 5769 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5770 Intent[] specifics, String[] specificTypes, Intent intent, 5771 String resolvedType, int flags, int userId) { 5772 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5773 flags = updateFlagsForResolve(flags, userId, intent); 5774 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5775 false /* requireFullPermission */, false /* checkShell */, 5776 "query intent activity options"); 5777 final String resultsAction = intent.getAction(); 5778 5779 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5780 | PackageManager.GET_RESOLVED_FILTER, userId); 5781 5782 if (DEBUG_INTENT_MATCHING) { 5783 Log.v(TAG, "Query " + intent + ": " + results); 5784 } 5785 5786 int specificsPos = 0; 5787 int N; 5788 5789 // todo: note that the algorithm used here is O(N^2). This 5790 // isn't a problem in our current environment, but if we start running 5791 // into situations where we have more than 5 or 10 matches then this 5792 // should probably be changed to something smarter... 5793 5794 // First we go through and resolve each of the specific items 5795 // that were supplied, taking care of removing any corresponding 5796 // duplicate items in the generic resolve list. 5797 if (specifics != null) { 5798 for (int i=0; i<specifics.length; i++) { 5799 final Intent sintent = specifics[i]; 5800 if (sintent == null) { 5801 continue; 5802 } 5803 5804 if (DEBUG_INTENT_MATCHING) { 5805 Log.v(TAG, "Specific #" + i + ": " + sintent); 5806 } 5807 5808 String action = sintent.getAction(); 5809 if (resultsAction != null && resultsAction.equals(action)) { 5810 // If this action was explicitly requested, then don't 5811 // remove things that have it. 5812 action = null; 5813 } 5814 5815 ResolveInfo ri = null; 5816 ActivityInfo ai = null; 5817 5818 ComponentName comp = sintent.getComponent(); 5819 if (comp == null) { 5820 ri = resolveIntent( 5821 sintent, 5822 specificTypes != null ? specificTypes[i] : null, 5823 flags, userId); 5824 if (ri == null) { 5825 continue; 5826 } 5827 if (ri == mResolveInfo) { 5828 // ACK! Must do something better with this. 5829 } 5830 ai = ri.activityInfo; 5831 comp = new ComponentName(ai.applicationInfo.packageName, 5832 ai.name); 5833 } else { 5834 ai = getActivityInfo(comp, flags, userId); 5835 if (ai == null) { 5836 continue; 5837 } 5838 } 5839 5840 // Look for any generic query activities that are duplicates 5841 // of this specific one, and remove them from the results. 5842 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5843 N = results.size(); 5844 int j; 5845 for (j=specificsPos; j<N; j++) { 5846 ResolveInfo sri = results.get(j); 5847 if ((sri.activityInfo.name.equals(comp.getClassName()) 5848 && sri.activityInfo.applicationInfo.packageName.equals( 5849 comp.getPackageName())) 5850 || (action != null && sri.filter.matchAction(action))) { 5851 results.remove(j); 5852 if (DEBUG_INTENT_MATCHING) Log.v( 5853 TAG, "Removing duplicate item from " + j 5854 + " due to specific " + specificsPos); 5855 if (ri == null) { 5856 ri = sri; 5857 } 5858 j--; 5859 N--; 5860 } 5861 } 5862 5863 // Add this specific item to its proper place. 5864 if (ri == null) { 5865 ri = new ResolveInfo(); 5866 ri.activityInfo = ai; 5867 } 5868 results.add(specificsPos, ri); 5869 ri.specificIndex = i; 5870 specificsPos++; 5871 } 5872 } 5873 5874 // Now we go through the remaining generic results and remove any 5875 // duplicate actions that are found here. 5876 N = results.size(); 5877 for (int i=specificsPos; i<N-1; i++) { 5878 final ResolveInfo rii = results.get(i); 5879 if (rii.filter == null) { 5880 continue; 5881 } 5882 5883 // Iterate over all of the actions of this result's intent 5884 // filter... typically this should be just one. 5885 final Iterator<String> it = rii.filter.actionsIterator(); 5886 if (it == null) { 5887 continue; 5888 } 5889 while (it.hasNext()) { 5890 final String action = it.next(); 5891 if (resultsAction != null && resultsAction.equals(action)) { 5892 // If this action was explicitly requested, then don't 5893 // remove things that have it. 5894 continue; 5895 } 5896 for (int j=i+1; j<N; j++) { 5897 final ResolveInfo rij = results.get(j); 5898 if (rij.filter != null && rij.filter.hasAction(action)) { 5899 results.remove(j); 5900 if (DEBUG_INTENT_MATCHING) Log.v( 5901 TAG, "Removing duplicate item from " + j 5902 + " due to action " + action + " at " + i); 5903 j--; 5904 N--; 5905 } 5906 } 5907 } 5908 5909 // If the caller didn't request filter information, drop it now 5910 // so we don't have to marshall/unmarshall it. 5911 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5912 rii.filter = null; 5913 } 5914 } 5915 5916 // Filter out the caller activity if so requested. 5917 if (caller != null) { 5918 N = results.size(); 5919 for (int i=0; i<N; i++) { 5920 ActivityInfo ainfo = results.get(i).activityInfo; 5921 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5922 && caller.getClassName().equals(ainfo.name)) { 5923 results.remove(i); 5924 break; 5925 } 5926 } 5927 } 5928 5929 // If the caller didn't request filter information, 5930 // drop them now so we don't have to 5931 // marshall/unmarshall it. 5932 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5933 N = results.size(); 5934 for (int i=0; i<N; i++) { 5935 results.get(i).filter = null; 5936 } 5937 } 5938 5939 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5940 return results; 5941 } 5942 5943 @Override 5944 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5945 String resolvedType, int flags, int userId) { 5946 return new ParceledListSlice<>( 5947 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5948 } 5949 5950 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5951 String resolvedType, int flags, int userId) { 5952 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5953 flags = updateFlagsForResolve(flags, userId, intent); 5954 ComponentName comp = intent.getComponent(); 5955 if (comp == null) { 5956 if (intent.getSelector() != null) { 5957 intent = intent.getSelector(); 5958 comp = intent.getComponent(); 5959 } 5960 } 5961 if (comp != null) { 5962 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5963 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5964 if (ai != null) { 5965 ResolveInfo ri = new ResolveInfo(); 5966 ri.activityInfo = ai; 5967 list.add(ri); 5968 } 5969 return list; 5970 } 5971 5972 // reader 5973 synchronized (mPackages) { 5974 String pkgName = intent.getPackage(); 5975 if (pkgName == null) { 5976 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5977 } 5978 final PackageParser.Package pkg = mPackages.get(pkgName); 5979 if (pkg != null) { 5980 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5981 userId); 5982 } 5983 return Collections.emptyList(); 5984 } 5985 } 5986 5987 @Override 5988 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5989 if (!sUserManager.exists(userId)) return null; 5990 flags = updateFlagsForResolve(flags, userId, intent); 5991 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5992 if (query != null) { 5993 if (query.size() >= 1) { 5994 // If there is more than one service with the same priority, 5995 // just arbitrarily pick the first one. 5996 return query.get(0); 5997 } 5998 } 5999 return null; 6000 } 6001 6002 @Override 6003 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6004 String resolvedType, int flags, int userId) { 6005 return new ParceledListSlice<>( 6006 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6007 } 6008 6009 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6010 String resolvedType, int flags, int userId) { 6011 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6012 flags = updateFlagsForResolve(flags, userId, intent); 6013 ComponentName comp = intent.getComponent(); 6014 if (comp == null) { 6015 if (intent.getSelector() != null) { 6016 intent = intent.getSelector(); 6017 comp = intent.getComponent(); 6018 } 6019 } 6020 if (comp != null) { 6021 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6022 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6023 if (si != null) { 6024 final ResolveInfo ri = new ResolveInfo(); 6025 ri.serviceInfo = si; 6026 list.add(ri); 6027 } 6028 return list; 6029 } 6030 6031 // reader 6032 synchronized (mPackages) { 6033 String pkgName = intent.getPackage(); 6034 if (pkgName == null) { 6035 return mServices.queryIntent(intent, resolvedType, flags, userId); 6036 } 6037 final PackageParser.Package pkg = mPackages.get(pkgName); 6038 if (pkg != null) { 6039 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6040 userId); 6041 } 6042 return Collections.emptyList(); 6043 } 6044 } 6045 6046 @Override 6047 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6048 String resolvedType, int flags, int userId) { 6049 return new ParceledListSlice<>( 6050 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6051 } 6052 6053 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6054 Intent intent, String resolvedType, int flags, int userId) { 6055 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6056 flags = updateFlagsForResolve(flags, userId, intent); 6057 ComponentName comp = intent.getComponent(); 6058 if (comp == null) { 6059 if (intent.getSelector() != null) { 6060 intent = intent.getSelector(); 6061 comp = intent.getComponent(); 6062 } 6063 } 6064 if (comp != null) { 6065 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6066 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6067 if (pi != null) { 6068 final ResolveInfo ri = new ResolveInfo(); 6069 ri.providerInfo = pi; 6070 list.add(ri); 6071 } 6072 return list; 6073 } 6074 6075 // reader 6076 synchronized (mPackages) { 6077 String pkgName = intent.getPackage(); 6078 if (pkgName == null) { 6079 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6080 } 6081 final PackageParser.Package pkg = mPackages.get(pkgName); 6082 if (pkg != null) { 6083 return mProviders.queryIntentForPackage( 6084 intent, resolvedType, flags, pkg.providers, userId); 6085 } 6086 return Collections.emptyList(); 6087 } 6088 } 6089 6090 @Override 6091 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6092 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6093 flags = updateFlagsForPackage(flags, userId, null); 6094 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6095 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6096 true /* requireFullPermission */, false /* checkShell */, 6097 "get installed packages"); 6098 6099 // writer 6100 synchronized (mPackages) { 6101 ArrayList<PackageInfo> list; 6102 if (listUninstalled) { 6103 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6104 for (PackageSetting ps : mSettings.mPackages.values()) { 6105 final PackageInfo pi; 6106 if (ps.pkg != null) { 6107 pi = generatePackageInfo(ps, flags, userId); 6108 } else { 6109 pi = generatePackageInfo(ps, flags, userId); 6110 } 6111 if (pi != null) { 6112 list.add(pi); 6113 } 6114 } 6115 } else { 6116 list = new ArrayList<PackageInfo>(mPackages.size()); 6117 for (PackageParser.Package p : mPackages.values()) { 6118 final PackageInfo pi = 6119 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6120 if (pi != null) { 6121 list.add(pi); 6122 } 6123 } 6124 } 6125 6126 return new ParceledListSlice<PackageInfo>(list); 6127 } 6128 } 6129 6130 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6131 String[] permissions, boolean[] tmp, int flags, int userId) { 6132 int numMatch = 0; 6133 final PermissionsState permissionsState = ps.getPermissionsState(); 6134 for (int i=0; i<permissions.length; i++) { 6135 final String permission = permissions[i]; 6136 if (permissionsState.hasPermission(permission, userId)) { 6137 tmp[i] = true; 6138 numMatch++; 6139 } else { 6140 tmp[i] = false; 6141 } 6142 } 6143 if (numMatch == 0) { 6144 return; 6145 } 6146 final PackageInfo pi; 6147 if (ps.pkg != null) { 6148 pi = generatePackageInfo(ps, flags, userId); 6149 } else { 6150 pi = generatePackageInfo(ps, flags, userId); 6151 } 6152 // The above might return null in cases of uninstalled apps or install-state 6153 // skew across users/profiles. 6154 if (pi != null) { 6155 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6156 if (numMatch == permissions.length) { 6157 pi.requestedPermissions = permissions; 6158 } else { 6159 pi.requestedPermissions = new String[numMatch]; 6160 numMatch = 0; 6161 for (int i=0; i<permissions.length; i++) { 6162 if (tmp[i]) { 6163 pi.requestedPermissions[numMatch] = permissions[i]; 6164 numMatch++; 6165 } 6166 } 6167 } 6168 } 6169 list.add(pi); 6170 } 6171 } 6172 6173 @Override 6174 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6175 String[] permissions, int flags, int userId) { 6176 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6177 flags = updateFlagsForPackage(flags, userId, permissions); 6178 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6179 6180 // writer 6181 synchronized (mPackages) { 6182 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6183 boolean[] tmpBools = new boolean[permissions.length]; 6184 if (listUninstalled) { 6185 for (PackageSetting ps : mSettings.mPackages.values()) { 6186 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6187 } 6188 } else { 6189 for (PackageParser.Package pkg : mPackages.values()) { 6190 PackageSetting ps = (PackageSetting)pkg.mExtras; 6191 if (ps != null) { 6192 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6193 userId); 6194 } 6195 } 6196 } 6197 6198 return new ParceledListSlice<PackageInfo>(list); 6199 } 6200 } 6201 6202 @Override 6203 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6204 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6205 flags = updateFlagsForApplication(flags, userId, null); 6206 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6207 6208 // writer 6209 synchronized (mPackages) { 6210 ArrayList<ApplicationInfo> list; 6211 if (listUninstalled) { 6212 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6213 for (PackageSetting ps : mSettings.mPackages.values()) { 6214 ApplicationInfo ai; 6215 if (ps.pkg != null) { 6216 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6217 ps.readUserState(userId), userId); 6218 } else { 6219 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6220 } 6221 if (ai != null) { 6222 list.add(ai); 6223 } 6224 } 6225 } else { 6226 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6227 for (PackageParser.Package p : mPackages.values()) { 6228 if (p.mExtras != null) { 6229 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6230 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6231 if (ai != null) { 6232 list.add(ai); 6233 } 6234 } 6235 } 6236 } 6237 6238 return new ParceledListSlice<ApplicationInfo>(list); 6239 } 6240 } 6241 6242 @Override 6243 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6244 if (DISABLE_EPHEMERAL_APPS) { 6245 return null; 6246 } 6247 6248 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6249 "getEphemeralApplications"); 6250 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6251 true /* requireFullPermission */, false /* checkShell */, 6252 "getEphemeralApplications"); 6253 synchronized (mPackages) { 6254 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6255 .getEphemeralApplicationsLPw(userId); 6256 if (ephemeralApps != null) { 6257 return new ParceledListSlice<>(ephemeralApps); 6258 } 6259 } 6260 return null; 6261 } 6262 6263 @Override 6264 public boolean isEphemeralApplication(String packageName, int userId) { 6265 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6266 true /* requireFullPermission */, false /* checkShell */, 6267 "isEphemeral"); 6268 if (DISABLE_EPHEMERAL_APPS) { 6269 return false; 6270 } 6271 6272 if (!isCallerSameApp(packageName)) { 6273 return false; 6274 } 6275 synchronized (mPackages) { 6276 PackageParser.Package pkg = mPackages.get(packageName); 6277 if (pkg != null) { 6278 return pkg.applicationInfo.isEphemeralApp(); 6279 } 6280 } 6281 return false; 6282 } 6283 6284 @Override 6285 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6286 if (DISABLE_EPHEMERAL_APPS) { 6287 return null; 6288 } 6289 6290 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6291 true /* requireFullPermission */, false /* checkShell */, 6292 "getCookie"); 6293 if (!isCallerSameApp(packageName)) { 6294 return null; 6295 } 6296 synchronized (mPackages) { 6297 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6298 packageName, userId); 6299 } 6300 } 6301 6302 @Override 6303 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6304 if (DISABLE_EPHEMERAL_APPS) { 6305 return true; 6306 } 6307 6308 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6309 true /* requireFullPermission */, true /* checkShell */, 6310 "setCookie"); 6311 if (!isCallerSameApp(packageName)) { 6312 return false; 6313 } 6314 synchronized (mPackages) { 6315 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6316 packageName, cookie, userId); 6317 } 6318 } 6319 6320 @Override 6321 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6322 if (DISABLE_EPHEMERAL_APPS) { 6323 return null; 6324 } 6325 6326 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6327 "getEphemeralApplicationIcon"); 6328 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6329 true /* requireFullPermission */, false /* checkShell */, 6330 "getEphemeralApplicationIcon"); 6331 synchronized (mPackages) { 6332 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6333 packageName, userId); 6334 } 6335 } 6336 6337 private boolean isCallerSameApp(String packageName) { 6338 PackageParser.Package pkg = mPackages.get(packageName); 6339 return pkg != null 6340 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6341 } 6342 6343 @Override 6344 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6345 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6346 } 6347 6348 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6349 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6350 6351 // reader 6352 synchronized (mPackages) { 6353 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6354 final int userId = UserHandle.getCallingUserId(); 6355 while (i.hasNext()) { 6356 final PackageParser.Package p = i.next(); 6357 if (p.applicationInfo == null) continue; 6358 6359 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6360 && !p.applicationInfo.isDirectBootAware(); 6361 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6362 && p.applicationInfo.isDirectBootAware(); 6363 6364 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6365 && (!mSafeMode || isSystemApp(p)) 6366 && (matchesUnaware || matchesAware)) { 6367 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6368 if (ps != null) { 6369 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6370 ps.readUserState(userId), userId); 6371 if (ai != null) { 6372 finalList.add(ai); 6373 } 6374 } 6375 } 6376 } 6377 } 6378 6379 return finalList; 6380 } 6381 6382 @Override 6383 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6384 if (!sUserManager.exists(userId)) return null; 6385 flags = updateFlagsForComponent(flags, userId, name); 6386 // reader 6387 synchronized (mPackages) { 6388 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6389 PackageSetting ps = provider != null 6390 ? mSettings.mPackages.get(provider.owner.packageName) 6391 : null; 6392 return ps != null 6393 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6394 ? PackageParser.generateProviderInfo(provider, flags, 6395 ps.readUserState(userId), userId) 6396 : null; 6397 } 6398 } 6399 6400 /** 6401 * @deprecated 6402 */ 6403 @Deprecated 6404 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6405 // reader 6406 synchronized (mPackages) { 6407 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6408 .entrySet().iterator(); 6409 final int userId = UserHandle.getCallingUserId(); 6410 while (i.hasNext()) { 6411 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6412 PackageParser.Provider p = entry.getValue(); 6413 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6414 6415 if (ps != null && p.syncable 6416 && (!mSafeMode || (p.info.applicationInfo.flags 6417 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6418 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6419 ps.readUserState(userId), userId); 6420 if (info != null) { 6421 outNames.add(entry.getKey()); 6422 outInfo.add(info); 6423 } 6424 } 6425 } 6426 } 6427 } 6428 6429 @Override 6430 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6431 int uid, int flags) { 6432 final int userId = processName != null ? UserHandle.getUserId(uid) 6433 : UserHandle.getCallingUserId(); 6434 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6435 flags = updateFlagsForComponent(flags, userId, processName); 6436 6437 ArrayList<ProviderInfo> finalList = null; 6438 // reader 6439 synchronized (mPackages) { 6440 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6441 while (i.hasNext()) { 6442 final PackageParser.Provider p = i.next(); 6443 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6444 if (ps != null && p.info.authority != null 6445 && (processName == null 6446 || (p.info.processName.equals(processName) 6447 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6448 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6449 if (finalList == null) { 6450 finalList = new ArrayList<ProviderInfo>(3); 6451 } 6452 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6453 ps.readUserState(userId), userId); 6454 if (info != null) { 6455 finalList.add(info); 6456 } 6457 } 6458 } 6459 } 6460 6461 if (finalList != null) { 6462 Collections.sort(finalList, mProviderInitOrderSorter); 6463 return new ParceledListSlice<ProviderInfo>(finalList); 6464 } 6465 6466 return ParceledListSlice.emptyList(); 6467 } 6468 6469 @Override 6470 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6471 // reader 6472 synchronized (mPackages) { 6473 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6474 return PackageParser.generateInstrumentationInfo(i, flags); 6475 } 6476 } 6477 6478 @Override 6479 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6480 String targetPackage, int flags) { 6481 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6482 } 6483 6484 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6485 int flags) { 6486 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6487 6488 // reader 6489 synchronized (mPackages) { 6490 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6491 while (i.hasNext()) { 6492 final PackageParser.Instrumentation p = i.next(); 6493 if (targetPackage == null 6494 || targetPackage.equals(p.info.targetPackage)) { 6495 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6496 flags); 6497 if (ii != null) { 6498 finalList.add(ii); 6499 } 6500 } 6501 } 6502 } 6503 6504 return finalList; 6505 } 6506 6507 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6508 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6509 if (overlays == null) { 6510 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6511 return; 6512 } 6513 for (PackageParser.Package opkg : overlays.values()) { 6514 // Not much to do if idmap fails: we already logged the error 6515 // and we certainly don't want to abort installation of pkg simply 6516 // because an overlay didn't fit properly. For these reasons, 6517 // ignore the return value of createIdmapForPackagePairLI. 6518 createIdmapForPackagePairLI(pkg, opkg); 6519 } 6520 } 6521 6522 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6523 PackageParser.Package opkg) { 6524 if (!opkg.mTrustedOverlay) { 6525 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6526 opkg.baseCodePath + ": overlay not trusted"); 6527 return false; 6528 } 6529 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6530 if (overlaySet == null) { 6531 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6532 opkg.baseCodePath + " but target package has no known overlays"); 6533 return false; 6534 } 6535 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6536 // TODO: generate idmap for split APKs 6537 try { 6538 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6539 } catch (InstallerException e) { 6540 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6541 + opkg.baseCodePath); 6542 return false; 6543 } 6544 PackageParser.Package[] overlayArray = 6545 overlaySet.values().toArray(new PackageParser.Package[0]); 6546 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6547 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6548 return p1.mOverlayPriority - p2.mOverlayPriority; 6549 } 6550 }; 6551 Arrays.sort(overlayArray, cmp); 6552 6553 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6554 int i = 0; 6555 for (PackageParser.Package p : overlayArray) { 6556 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6557 } 6558 return true; 6559 } 6560 6561 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6562 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6563 try { 6564 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6565 } finally { 6566 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6567 } 6568 } 6569 6570 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6571 final File[] files = dir.listFiles(); 6572 if (ArrayUtils.isEmpty(files)) { 6573 Log.d(TAG, "No files in app dir " + dir); 6574 return; 6575 } 6576 6577 if (DEBUG_PACKAGE_SCANNING) { 6578 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6579 + " flags=0x" + Integer.toHexString(parseFlags)); 6580 } 6581 6582 for (File file : files) { 6583 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6584 && !PackageInstallerService.isStageName(file.getName()); 6585 if (!isPackage) { 6586 // Ignore entries which are not packages 6587 continue; 6588 } 6589 try { 6590 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6591 scanFlags, currentTime, null); 6592 } catch (PackageManagerException e) { 6593 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6594 6595 // Delete invalid userdata apps 6596 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6597 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6598 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6599 removeCodePathLI(file); 6600 } 6601 } 6602 } 6603 } 6604 6605 private static File getSettingsProblemFile() { 6606 File dataDir = Environment.getDataDirectory(); 6607 File systemDir = new File(dataDir, "system"); 6608 File fname = new File(systemDir, "uiderrors.txt"); 6609 return fname; 6610 } 6611 6612 static void reportSettingsProblem(int priority, String msg) { 6613 logCriticalInfo(priority, msg); 6614 } 6615 6616 static void logCriticalInfo(int priority, String msg) { 6617 Slog.println(priority, TAG, msg); 6618 EventLogTags.writePmCriticalInfo(msg); 6619 try { 6620 File fname = getSettingsProblemFile(); 6621 FileOutputStream out = new FileOutputStream(fname, true); 6622 PrintWriter pw = new FastPrintWriter(out); 6623 SimpleDateFormat formatter = new SimpleDateFormat(); 6624 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6625 pw.println(dateString + ": " + msg); 6626 pw.close(); 6627 FileUtils.setPermissions( 6628 fname.toString(), 6629 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6630 -1, -1); 6631 } catch (java.io.IOException e) { 6632 } 6633 } 6634 6635 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6636 if (srcFile.isDirectory()) { 6637 final File baseFile = new File(pkg.baseCodePath); 6638 long maxModifiedTime = baseFile.lastModified(); 6639 if (pkg.splitCodePaths != null) { 6640 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6641 final File splitFile = new File(pkg.splitCodePaths[i]); 6642 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6643 } 6644 } 6645 return maxModifiedTime; 6646 } 6647 return srcFile.lastModified(); 6648 } 6649 6650 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6651 final int policyFlags) throws PackageManagerException { 6652 if (ps != null 6653 && ps.codePath.equals(srcFile) 6654 && ps.timeStamp == getLastModifiedTime(pkg, srcFile) 6655 && !isCompatSignatureUpdateNeeded(pkg) 6656 && !isRecoverSignatureUpdateNeeded(pkg)) { 6657 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6658 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6659 ArraySet<PublicKey> signingKs; 6660 synchronized (mPackages) { 6661 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6662 } 6663 if (ps.signatures.mSignatures != null 6664 && ps.signatures.mSignatures.length != 0 6665 && signingKs != null) { 6666 // Optimization: reuse the existing cached certificates 6667 // if the package appears to be unchanged. 6668 pkg.mSignatures = ps.signatures.mSignatures; 6669 pkg.mSigningKeys = signingKs; 6670 return; 6671 } 6672 6673 Slog.w(TAG, "PackageSetting for " + ps.name 6674 + " is missing signatures. Collecting certs again to recover them."); 6675 } else { 6676 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6677 } 6678 6679 try { 6680 PackageParser.collectCertificates(pkg, policyFlags); 6681 } catch (PackageParserException e) { 6682 throw PackageManagerException.from(e); 6683 } 6684 } 6685 6686 /** 6687 * Traces a package scan. 6688 * @see #scanPackageLI(File, int, int, long, UserHandle) 6689 */ 6690 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6691 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6692 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6693 try { 6694 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6695 } finally { 6696 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6697 } 6698 } 6699 6700 /** 6701 * Scans a package and returns the newly parsed package. 6702 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6703 */ 6704 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6705 long currentTime, UserHandle user) throws PackageManagerException { 6706 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6707 PackageParser pp = new PackageParser(); 6708 pp.setSeparateProcesses(mSeparateProcesses); 6709 pp.setOnlyCoreApps(mOnlyCore); 6710 pp.setDisplayMetrics(mMetrics); 6711 6712 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6713 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6714 } 6715 6716 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6717 final PackageParser.Package pkg; 6718 try { 6719 pkg = pp.parsePackage(scanFile, parseFlags); 6720 } catch (PackageParserException e) { 6721 throw PackageManagerException.from(e); 6722 } finally { 6723 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6724 } 6725 6726 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6727 } 6728 6729 /** 6730 * Scans a package and returns the newly parsed package. 6731 * @throws PackageManagerException on a parse error. 6732 */ 6733 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6734 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6735 throws PackageManagerException { 6736 // If the package has children and this is the first dive in the function 6737 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6738 // packages (parent and children) would be successfully scanned before the 6739 // actual scan since scanning mutates internal state and we want to atomically 6740 // install the package and its children. 6741 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6742 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6743 scanFlags |= SCAN_CHECK_ONLY; 6744 } 6745 } else { 6746 scanFlags &= ~SCAN_CHECK_ONLY; 6747 } 6748 6749 // Scan the parent 6750 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6751 scanFlags, currentTime, user); 6752 6753 // Scan the children 6754 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6755 for (int i = 0; i < childCount; i++) { 6756 PackageParser.Package childPackage = pkg.childPackages.get(i); 6757 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6758 currentTime, user); 6759 } 6760 6761 6762 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6763 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6764 } 6765 6766 return scannedPkg; 6767 } 6768 6769 /** 6770 * Scans a package and returns the newly parsed package. 6771 * @throws PackageManagerException on a parse error. 6772 */ 6773 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6774 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6775 throws PackageManagerException { 6776 PackageSetting ps = null; 6777 PackageSetting updatedPkg; 6778 // reader 6779 synchronized (mPackages) { 6780 // Look to see if we already know about this package. 6781 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6782 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6783 // This package has been renamed to its original name. Let's 6784 // use that. 6785 ps = mSettings.peekPackageLPr(oldName); 6786 } 6787 // If there was no original package, see one for the real package name. 6788 if (ps == null) { 6789 ps = mSettings.peekPackageLPr(pkg.packageName); 6790 } 6791 // Check to see if this package could be hiding/updating a system 6792 // package. Must look for it either under the original or real 6793 // package name depending on our state. 6794 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6795 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6796 6797 // If this is a package we don't know about on the system partition, we 6798 // may need to remove disabled child packages on the system partition 6799 // or may need to not add child packages if the parent apk is updated 6800 // on the data partition and no longer defines this child package. 6801 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6802 // If this is a parent package for an updated system app and this system 6803 // app got an OTA update which no longer defines some of the child packages 6804 // we have to prune them from the disabled system packages. 6805 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6806 if (disabledPs != null) { 6807 final int scannedChildCount = (pkg.childPackages != null) 6808 ? pkg.childPackages.size() : 0; 6809 final int disabledChildCount = disabledPs.childPackageNames != null 6810 ? disabledPs.childPackageNames.size() : 0; 6811 for (int i = 0; i < disabledChildCount; i++) { 6812 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6813 boolean disabledPackageAvailable = false; 6814 for (int j = 0; j < scannedChildCount; j++) { 6815 PackageParser.Package childPkg = pkg.childPackages.get(j); 6816 if (childPkg.packageName.equals(disabledChildPackageName)) { 6817 disabledPackageAvailable = true; 6818 break; 6819 } 6820 } 6821 if (!disabledPackageAvailable) { 6822 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6823 } 6824 } 6825 } 6826 } 6827 } 6828 6829 boolean updatedPkgBetter = false; 6830 // First check if this is a system package that may involve an update 6831 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6832 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6833 // it needs to drop FLAG_PRIVILEGED. 6834 if (locationIsPrivileged(scanFile)) { 6835 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6836 } else { 6837 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6838 } 6839 6840 if (ps != null && !ps.codePath.equals(scanFile)) { 6841 // The path has changed from what was last scanned... check the 6842 // version of the new path against what we have stored to determine 6843 // what to do. 6844 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6845 if (pkg.mVersionCode <= ps.versionCode) { 6846 // The system package has been updated and the code path does not match 6847 // Ignore entry. Skip it. 6848 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6849 + " ignored: updated version " + ps.versionCode 6850 + " better than this " + pkg.mVersionCode); 6851 if (!updatedPkg.codePath.equals(scanFile)) { 6852 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6853 + ps.name + " changing from " + updatedPkg.codePathString 6854 + " to " + scanFile); 6855 updatedPkg.codePath = scanFile; 6856 updatedPkg.codePathString = scanFile.toString(); 6857 updatedPkg.resourcePath = scanFile; 6858 updatedPkg.resourcePathString = scanFile.toString(); 6859 } 6860 updatedPkg.pkg = pkg; 6861 updatedPkg.versionCode = pkg.mVersionCode; 6862 6863 // Update the disabled system child packages to point to the package too. 6864 final int childCount = updatedPkg.childPackageNames != null 6865 ? updatedPkg.childPackageNames.size() : 0; 6866 for (int i = 0; i < childCount; i++) { 6867 String childPackageName = updatedPkg.childPackageNames.get(i); 6868 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6869 childPackageName); 6870 if (updatedChildPkg != null) { 6871 updatedChildPkg.pkg = pkg; 6872 updatedChildPkg.versionCode = pkg.mVersionCode; 6873 } 6874 } 6875 6876 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6877 + scanFile + " ignored: updated version " + ps.versionCode 6878 + " better than this " + pkg.mVersionCode); 6879 } else { 6880 // The current app on the system partition is better than 6881 // what we have updated to on the data partition; switch 6882 // back to the system partition version. 6883 // At this point, its safely assumed that package installation for 6884 // apps in system partition will go through. If not there won't be a working 6885 // version of the app 6886 // writer 6887 synchronized (mPackages) { 6888 // Just remove the loaded entries from package lists. 6889 mPackages.remove(ps.name); 6890 } 6891 6892 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6893 + " reverting from " + ps.codePathString 6894 + ": new version " + pkg.mVersionCode 6895 + " better than installed " + ps.versionCode); 6896 6897 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6898 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6899 synchronized (mInstallLock) { 6900 args.cleanUpResourcesLI(); 6901 } 6902 synchronized (mPackages) { 6903 mSettings.enableSystemPackageLPw(ps.name); 6904 } 6905 updatedPkgBetter = true; 6906 } 6907 } 6908 } 6909 6910 if (updatedPkg != null) { 6911 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6912 // initially 6913 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6914 6915 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6916 // flag set initially 6917 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6918 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6919 } 6920 } 6921 6922 // Verify certificates against what was last scanned 6923 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6924 6925 /* 6926 * A new system app appeared, but we already had a non-system one of the 6927 * same name installed earlier. 6928 */ 6929 boolean shouldHideSystemApp = false; 6930 if (updatedPkg == null && ps != null 6931 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6932 /* 6933 * Check to make sure the signatures match first. If they don't, 6934 * wipe the installed application and its data. 6935 */ 6936 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6937 != PackageManager.SIGNATURE_MATCH) { 6938 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6939 + " signatures don't match existing userdata copy; removing"); 6940 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6941 "scanPackageInternalLI")) { 6942 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6943 } 6944 ps = null; 6945 } else { 6946 /* 6947 * If the newly-added system app is an older version than the 6948 * already installed version, hide it. It will be scanned later 6949 * and re-added like an update. 6950 */ 6951 if (pkg.mVersionCode <= ps.versionCode) { 6952 shouldHideSystemApp = true; 6953 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6954 + " but new version " + pkg.mVersionCode + " better than installed " 6955 + ps.versionCode + "; hiding system"); 6956 } else { 6957 /* 6958 * The newly found system app is a newer version that the 6959 * one previously installed. Simply remove the 6960 * already-installed application and replace it with our own 6961 * while keeping the application data. 6962 */ 6963 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6964 + " reverting from " + ps.codePathString + ": new version " 6965 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6966 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6967 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6968 synchronized (mInstallLock) { 6969 args.cleanUpResourcesLI(); 6970 } 6971 } 6972 } 6973 } 6974 6975 // The apk is forward locked (not public) if its code and resources 6976 // are kept in different files. (except for app in either system or 6977 // vendor path). 6978 // TODO grab this value from PackageSettings 6979 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6980 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6981 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6982 } 6983 } 6984 6985 // TODO: extend to support forward-locked splits 6986 String resourcePath = null; 6987 String baseResourcePath = null; 6988 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6989 if (ps != null && ps.resourcePathString != null) { 6990 resourcePath = ps.resourcePathString; 6991 baseResourcePath = ps.resourcePathString; 6992 } else { 6993 // Should not happen at all. Just log an error. 6994 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6995 } 6996 } else { 6997 resourcePath = pkg.codePath; 6998 baseResourcePath = pkg.baseCodePath; 6999 } 7000 7001 // Set application objects path explicitly. 7002 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7003 pkg.setApplicationInfoCodePath(pkg.codePath); 7004 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7005 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7006 pkg.setApplicationInfoResourcePath(resourcePath); 7007 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7008 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7009 7010 // Note that we invoke the following method only if we are about to unpack an application 7011 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7012 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7013 7014 /* 7015 * If the system app should be overridden by a previously installed 7016 * data, hide the system app now and let the /data/app scan pick it up 7017 * again. 7018 */ 7019 if (shouldHideSystemApp) { 7020 synchronized (mPackages) { 7021 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7022 } 7023 } 7024 7025 return scannedPkg; 7026 } 7027 7028 private static String fixProcessName(String defProcessName, 7029 String processName, int uid) { 7030 if (processName == null) { 7031 return defProcessName; 7032 } 7033 return processName; 7034 } 7035 7036 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7037 throws PackageManagerException { 7038 if (pkgSetting.signatures.mSignatures != null) { 7039 // Already existing package. Make sure signatures match 7040 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7041 == PackageManager.SIGNATURE_MATCH; 7042 if (!match) { 7043 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7044 == PackageManager.SIGNATURE_MATCH; 7045 } 7046 if (!match) { 7047 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7048 == PackageManager.SIGNATURE_MATCH; 7049 } 7050 if (!match) { 7051 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7052 + pkg.packageName + " signatures do not match the " 7053 + "previously installed version; ignoring!"); 7054 } 7055 } 7056 7057 // Check for shared user signatures 7058 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7059 // Already existing package. Make sure signatures match 7060 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7061 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7062 if (!match) { 7063 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7064 == PackageManager.SIGNATURE_MATCH; 7065 } 7066 if (!match) { 7067 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7068 == PackageManager.SIGNATURE_MATCH; 7069 } 7070 if (!match) { 7071 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7072 "Package " + pkg.packageName 7073 + " has no signatures that match those in shared user " 7074 + pkgSetting.sharedUser.name + "; ignoring!"); 7075 } 7076 } 7077 } 7078 7079 /** 7080 * Enforces that only the system UID or root's UID can call a method exposed 7081 * via Binder. 7082 * 7083 * @param message used as message if SecurityException is thrown 7084 * @throws SecurityException if the caller is not system or root 7085 */ 7086 private static final void enforceSystemOrRoot(String message) { 7087 final int uid = Binder.getCallingUid(); 7088 if (uid != Process.SYSTEM_UID && uid != 0) { 7089 throw new SecurityException(message); 7090 } 7091 } 7092 7093 @Override 7094 public void performFstrimIfNeeded() { 7095 enforceSystemOrRoot("Only the system can request fstrim"); 7096 7097 // Before everything else, see whether we need to fstrim. 7098 try { 7099 IMountService ms = PackageHelper.getMountService(); 7100 if (ms != null) { 7101 boolean doTrim = false; 7102 final long interval = android.provider.Settings.Global.getLong( 7103 mContext.getContentResolver(), 7104 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7105 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7106 if (interval > 0) { 7107 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7108 if (timeSinceLast > interval) { 7109 doTrim = true; 7110 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7111 + "; running immediately"); 7112 } 7113 } 7114 if (doTrim) { 7115 if (!isFirstBoot()) { 7116 try { 7117 ActivityManagerNative.getDefault().showBootMessage( 7118 mContext.getResources().getString( 7119 R.string.android_upgrading_fstrim), true); 7120 } catch (RemoteException e) { 7121 } 7122 } 7123 ms.runMaintenance(); 7124 } 7125 } else { 7126 Slog.e(TAG, "Mount service unavailable!"); 7127 } 7128 } catch (RemoteException e) { 7129 // Can't happen; MountService is local 7130 } 7131 } 7132 7133 @Override 7134 public void updatePackagesIfNeeded() { 7135 enforceSystemOrRoot("Only the system can request package update"); 7136 7137 // We need to re-extract after an OTA. 7138 boolean causeUpgrade = isUpgrade(); 7139 7140 // First boot or factory reset. 7141 // Note: we also handle devices that are upgrading to N right now as if it is their 7142 // first boot, as they do not have profile data. 7143 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7144 7145 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7146 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7147 7148 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7149 return; 7150 } 7151 7152 List<PackageParser.Package> pkgs; 7153 synchronized (mPackages) { 7154 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7155 } 7156 7157 final long startTime = System.nanoTime(); 7158 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7159 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7160 7161 final int elapsedTimeSeconds = 7162 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7163 7164 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7165 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7166 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7167 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7168 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7169 } 7170 7171 /** 7172 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7173 * containing statistics about the invocation. The array consists of three elements, 7174 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7175 * and {@code numberOfPackagesFailed}. 7176 */ 7177 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7178 String compilerFilter) { 7179 7180 int numberOfPackagesVisited = 0; 7181 int numberOfPackagesOptimized = 0; 7182 int numberOfPackagesSkipped = 0; 7183 int numberOfPackagesFailed = 0; 7184 final int numberOfPackagesToDexopt = pkgs.size(); 7185 7186 for (PackageParser.Package pkg : pkgs) { 7187 numberOfPackagesVisited++; 7188 7189 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7190 if (DEBUG_DEXOPT) { 7191 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7192 } 7193 numberOfPackagesSkipped++; 7194 continue; 7195 } 7196 7197 if (DEBUG_DEXOPT) { 7198 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7199 numberOfPackagesToDexopt + ": " + pkg.packageName); 7200 } 7201 7202 if (showDialog) { 7203 try { 7204 ActivityManagerNative.getDefault().showBootMessage( 7205 mContext.getResources().getString(R.string.android_upgrading_apk, 7206 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7207 } catch (RemoteException e) { 7208 } 7209 } 7210 7211 // If the OTA updates a system app which was previously preopted to a non-preopted state 7212 // the app might end up being verified at runtime. That's because by default the apps 7213 // are verify-profile but for preopted apps there's no profile. 7214 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7215 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7216 // filter (by default interpret-only). 7217 // Note that at this stage unused apps are already filtered. 7218 if (isSystemApp(pkg) && 7219 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7220 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7221 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7222 } 7223 7224 // checkProfiles is false to avoid merging profiles during boot which 7225 // might interfere with background compilation (b/28612421). 7226 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7227 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7228 // trade-off worth doing to save boot time work. 7229 int dexOptStatus = performDexOptTraced(pkg.packageName, 7230 false /* checkProfiles */, 7231 compilerFilter, 7232 false /* force */); 7233 switch (dexOptStatus) { 7234 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7235 numberOfPackagesOptimized++; 7236 break; 7237 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7238 numberOfPackagesSkipped++; 7239 break; 7240 case PackageDexOptimizer.DEX_OPT_FAILED: 7241 numberOfPackagesFailed++; 7242 break; 7243 default: 7244 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7245 break; 7246 } 7247 } 7248 7249 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7250 numberOfPackagesFailed }; 7251 } 7252 7253 @Override 7254 public void notifyPackageUse(String packageName, int reason) { 7255 synchronized (mPackages) { 7256 PackageParser.Package p = mPackages.get(packageName); 7257 if (p == null) { 7258 return; 7259 } 7260 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7261 } 7262 } 7263 7264 // TODO: this is not used nor needed. Delete it. 7265 @Override 7266 public boolean performDexOptIfNeeded(String packageName) { 7267 int dexOptStatus = performDexOptTraced(packageName, 7268 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7269 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7270 } 7271 7272 @Override 7273 public boolean performDexOpt(String packageName, 7274 boolean checkProfiles, int compileReason, boolean force) { 7275 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7276 getCompilerFilterForReason(compileReason), force); 7277 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7278 } 7279 7280 @Override 7281 public boolean performDexOptMode(String packageName, 7282 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7283 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7284 targetCompilerFilter, force); 7285 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7286 } 7287 7288 private int performDexOptTraced(String packageName, 7289 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7290 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7291 try { 7292 return performDexOptInternal(packageName, checkProfiles, 7293 targetCompilerFilter, force); 7294 } finally { 7295 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7296 } 7297 } 7298 7299 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7300 // if the package can now be considered up to date for the given filter. 7301 private int performDexOptInternal(String packageName, 7302 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7303 PackageParser.Package p; 7304 synchronized (mPackages) { 7305 p = mPackages.get(packageName); 7306 if (p == null) { 7307 // Package could not be found. Report failure. 7308 return PackageDexOptimizer.DEX_OPT_FAILED; 7309 } 7310 mPackageUsage.maybeWriteAsync(mPackages); 7311 mCompilerStats.maybeWriteAsync(); 7312 } 7313 long callingId = Binder.clearCallingIdentity(); 7314 try { 7315 synchronized (mInstallLock) { 7316 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7317 targetCompilerFilter, force); 7318 } 7319 } finally { 7320 Binder.restoreCallingIdentity(callingId); 7321 } 7322 } 7323 7324 public ArraySet<String> getOptimizablePackages() { 7325 ArraySet<String> pkgs = new ArraySet<String>(); 7326 synchronized (mPackages) { 7327 for (PackageParser.Package p : mPackages.values()) { 7328 if (PackageDexOptimizer.canOptimizePackage(p)) { 7329 pkgs.add(p.packageName); 7330 } 7331 } 7332 } 7333 return pkgs; 7334 } 7335 7336 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7337 boolean checkProfiles, String targetCompilerFilter, 7338 boolean force) { 7339 // Select the dex optimizer based on the force parameter. 7340 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7341 // allocate an object here. 7342 PackageDexOptimizer pdo = force 7343 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7344 : mPackageDexOptimizer; 7345 7346 // Optimize all dependencies first. Note: we ignore the return value and march on 7347 // on errors. 7348 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7349 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7350 if (!deps.isEmpty()) { 7351 for (PackageParser.Package depPackage : deps) { 7352 // TODO: Analyze and investigate if we (should) profile libraries. 7353 // Currently this will do a full compilation of the library by default. 7354 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7355 false /* checkProfiles */, 7356 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7357 getOrCreateCompilerPackageStats(depPackage)); 7358 } 7359 } 7360 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7361 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7362 } 7363 7364 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7365 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7366 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7367 Set<String> collectedNames = new HashSet<>(); 7368 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7369 7370 retValue.remove(p); 7371 7372 return retValue; 7373 } else { 7374 return Collections.emptyList(); 7375 } 7376 } 7377 7378 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7379 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7380 if (!collectedNames.contains(p.packageName)) { 7381 collectedNames.add(p.packageName); 7382 collected.add(p); 7383 7384 if (p.usesLibraries != null) { 7385 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7386 } 7387 if (p.usesOptionalLibraries != null) { 7388 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7389 collectedNames); 7390 } 7391 } 7392 } 7393 7394 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7395 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7396 for (String libName : libs) { 7397 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7398 if (libPkg != null) { 7399 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7400 } 7401 } 7402 } 7403 7404 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7405 synchronized (mPackages) { 7406 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7407 if (lib != null && lib.apk != null) { 7408 return mPackages.get(lib.apk); 7409 } 7410 } 7411 return null; 7412 } 7413 7414 public void shutdown() { 7415 mPackageUsage.writeNow(mPackages); 7416 mCompilerStats.writeNow(); 7417 } 7418 7419 @Override 7420 public void dumpProfiles(String packageName) { 7421 PackageParser.Package pkg; 7422 synchronized (mPackages) { 7423 pkg = mPackages.get(packageName); 7424 if (pkg == null) { 7425 throw new IllegalArgumentException("Unknown package: " + packageName); 7426 } 7427 } 7428 /* Only the shell, root, or the app user should be able to dump profiles. */ 7429 int callingUid = Binder.getCallingUid(); 7430 if (callingUid != Process.SHELL_UID && 7431 callingUid != Process.ROOT_UID && 7432 callingUid != pkg.applicationInfo.uid) { 7433 throw new SecurityException("dumpProfiles"); 7434 } 7435 7436 synchronized (mInstallLock) { 7437 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7438 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7439 try { 7440 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7441 String gid = Integer.toString(sharedGid); 7442 String codePaths = TextUtils.join(";", allCodePaths); 7443 mInstaller.dumpProfiles(gid, packageName, codePaths); 7444 } catch (InstallerException e) { 7445 Slog.w(TAG, "Failed to dump profiles", e); 7446 } 7447 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7448 } 7449 } 7450 7451 @Override 7452 public void forceDexOpt(String packageName) { 7453 enforceSystemOrRoot("forceDexOpt"); 7454 7455 PackageParser.Package pkg; 7456 synchronized (mPackages) { 7457 pkg = mPackages.get(packageName); 7458 if (pkg == null) { 7459 throw new IllegalArgumentException("Unknown package: " + packageName); 7460 } 7461 } 7462 7463 synchronized (mInstallLock) { 7464 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7465 7466 // Whoever is calling forceDexOpt wants a fully compiled package. 7467 // Don't use profiles since that may cause compilation to be skipped. 7468 final int res = performDexOptInternalWithDependenciesLI(pkg, 7469 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7470 true /* force */); 7471 7472 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7473 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7474 throw new IllegalStateException("Failed to dexopt: " + res); 7475 } 7476 } 7477 } 7478 7479 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7480 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7481 Slog.w(TAG, "Unable to update from " + oldPkg.name 7482 + " to " + newPkg.packageName 7483 + ": old package not in system partition"); 7484 return false; 7485 } else if (mPackages.get(oldPkg.name) != null) { 7486 Slog.w(TAG, "Unable to update from " + oldPkg.name 7487 + " to " + newPkg.packageName 7488 + ": old package still exists"); 7489 return false; 7490 } 7491 return true; 7492 } 7493 7494 void removeCodePathLI(File codePath) { 7495 if (codePath.isDirectory()) { 7496 try { 7497 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7498 } catch (InstallerException e) { 7499 Slog.w(TAG, "Failed to remove code path", e); 7500 } 7501 } else { 7502 codePath.delete(); 7503 } 7504 } 7505 7506 private int[] resolveUserIds(int userId) { 7507 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7508 } 7509 7510 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7511 if (pkg == null) { 7512 Slog.wtf(TAG, "Package was null!", new Throwable()); 7513 return; 7514 } 7515 clearAppDataLeafLIF(pkg, userId, flags); 7516 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7517 for (int i = 0; i < childCount; i++) { 7518 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7519 } 7520 } 7521 7522 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7523 final PackageSetting ps; 7524 synchronized (mPackages) { 7525 ps = mSettings.mPackages.get(pkg.packageName); 7526 } 7527 for (int realUserId : resolveUserIds(userId)) { 7528 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7529 try { 7530 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7531 ceDataInode); 7532 } catch (InstallerException e) { 7533 Slog.w(TAG, String.valueOf(e)); 7534 } 7535 } 7536 } 7537 7538 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7539 if (pkg == null) { 7540 Slog.wtf(TAG, "Package was null!", new Throwable()); 7541 return; 7542 } 7543 destroyAppDataLeafLIF(pkg, userId, flags); 7544 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7545 for (int i = 0; i < childCount; i++) { 7546 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7547 } 7548 } 7549 7550 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7551 final PackageSetting ps; 7552 synchronized (mPackages) { 7553 ps = mSettings.mPackages.get(pkg.packageName); 7554 } 7555 for (int realUserId : resolveUserIds(userId)) { 7556 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7557 try { 7558 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7559 ceDataInode); 7560 } catch (InstallerException e) { 7561 Slog.w(TAG, String.valueOf(e)); 7562 } 7563 } 7564 } 7565 7566 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7567 if (pkg == null) { 7568 Slog.wtf(TAG, "Package was null!", new Throwable()); 7569 return; 7570 } 7571 destroyAppProfilesLeafLIF(pkg); 7572 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7573 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7574 for (int i = 0; i < childCount; i++) { 7575 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7576 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7577 true /* removeBaseMarker */); 7578 } 7579 } 7580 7581 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7582 boolean removeBaseMarker) { 7583 if (pkg.isForwardLocked()) { 7584 return; 7585 } 7586 7587 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7588 try { 7589 path = PackageManagerServiceUtils.realpath(new File(path)); 7590 } catch (IOException e) { 7591 // TODO: Should we return early here ? 7592 Slog.w(TAG, "Failed to get canonical path", e); 7593 continue; 7594 } 7595 7596 final String useMarker = path.replace('/', '@'); 7597 for (int realUserId : resolveUserIds(userId)) { 7598 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7599 if (removeBaseMarker) { 7600 File foreignUseMark = new File(profileDir, useMarker); 7601 if (foreignUseMark.exists()) { 7602 if (!foreignUseMark.delete()) { 7603 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7604 + pkg.packageName); 7605 } 7606 } 7607 } 7608 7609 File[] markers = profileDir.listFiles(); 7610 if (markers != null) { 7611 final String searchString = "@" + pkg.packageName + "@"; 7612 // We also delete all markers that contain the package name we're 7613 // uninstalling. These are associated with secondary dex-files belonging 7614 // to the package. Reconstructing the path of these dex files is messy 7615 // in general. 7616 for (File marker : markers) { 7617 if (marker.getName().indexOf(searchString) > 0) { 7618 if (!marker.delete()) { 7619 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7620 + pkg.packageName); 7621 } 7622 } 7623 } 7624 } 7625 } 7626 } 7627 } 7628 7629 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7630 try { 7631 mInstaller.destroyAppProfiles(pkg.packageName); 7632 } catch (InstallerException e) { 7633 Slog.w(TAG, String.valueOf(e)); 7634 } 7635 } 7636 7637 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7638 if (pkg == null) { 7639 Slog.wtf(TAG, "Package was null!", new Throwable()); 7640 return; 7641 } 7642 clearAppProfilesLeafLIF(pkg); 7643 // We don't remove the base foreign use marker when clearing profiles because 7644 // we will rename it when the app is updated. Unlike the actual profile contents, 7645 // the foreign use marker is good across installs. 7646 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7647 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7648 for (int i = 0; i < childCount; i++) { 7649 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7650 } 7651 } 7652 7653 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7654 try { 7655 mInstaller.clearAppProfiles(pkg.packageName); 7656 } catch (InstallerException e) { 7657 Slog.w(TAG, String.valueOf(e)); 7658 } 7659 } 7660 7661 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7662 long lastUpdateTime) { 7663 // Set parent install/update time 7664 PackageSetting ps = (PackageSetting) pkg.mExtras; 7665 if (ps != null) { 7666 ps.firstInstallTime = firstInstallTime; 7667 ps.lastUpdateTime = lastUpdateTime; 7668 } 7669 // Set children install/update time 7670 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7671 for (int i = 0; i < childCount; i++) { 7672 PackageParser.Package childPkg = pkg.childPackages.get(i); 7673 ps = (PackageSetting) childPkg.mExtras; 7674 if (ps != null) { 7675 ps.firstInstallTime = firstInstallTime; 7676 ps.lastUpdateTime = lastUpdateTime; 7677 } 7678 } 7679 } 7680 7681 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7682 PackageParser.Package changingLib) { 7683 if (file.path != null) { 7684 usesLibraryFiles.add(file.path); 7685 return; 7686 } 7687 PackageParser.Package p = mPackages.get(file.apk); 7688 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7689 // If we are doing this while in the middle of updating a library apk, 7690 // then we need to make sure to use that new apk for determining the 7691 // dependencies here. (We haven't yet finished committing the new apk 7692 // to the package manager state.) 7693 if (p == null || p.packageName.equals(changingLib.packageName)) { 7694 p = changingLib; 7695 } 7696 } 7697 if (p != null) { 7698 usesLibraryFiles.addAll(p.getAllCodePaths()); 7699 } 7700 } 7701 7702 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7703 PackageParser.Package changingLib) throws PackageManagerException { 7704 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7705 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7706 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7707 for (int i=0; i<N; i++) { 7708 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7709 if (file == null) { 7710 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7711 "Package " + pkg.packageName + " requires unavailable shared library " 7712 + pkg.usesLibraries.get(i) + "; failing!"); 7713 } 7714 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7715 } 7716 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7717 for (int i=0; i<N; i++) { 7718 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7719 if (file == null) { 7720 Slog.w(TAG, "Package " + pkg.packageName 7721 + " desires unavailable shared library " 7722 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7723 } else { 7724 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7725 } 7726 } 7727 N = usesLibraryFiles.size(); 7728 if (N > 0) { 7729 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7730 } else { 7731 pkg.usesLibraryFiles = null; 7732 } 7733 } 7734 } 7735 7736 private static boolean hasString(List<String> list, List<String> which) { 7737 if (list == null) { 7738 return false; 7739 } 7740 for (int i=list.size()-1; i>=0; i--) { 7741 for (int j=which.size()-1; j>=0; j--) { 7742 if (which.get(j).equals(list.get(i))) { 7743 return true; 7744 } 7745 } 7746 } 7747 return false; 7748 } 7749 7750 private void updateAllSharedLibrariesLPw() { 7751 for (PackageParser.Package pkg : mPackages.values()) { 7752 try { 7753 updateSharedLibrariesLPw(pkg, null); 7754 } catch (PackageManagerException e) { 7755 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7756 } 7757 } 7758 } 7759 7760 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7761 PackageParser.Package changingPkg) { 7762 ArrayList<PackageParser.Package> res = null; 7763 for (PackageParser.Package pkg : mPackages.values()) { 7764 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7765 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7766 if (res == null) { 7767 res = new ArrayList<PackageParser.Package>(); 7768 } 7769 res.add(pkg); 7770 try { 7771 updateSharedLibrariesLPw(pkg, changingPkg); 7772 } catch (PackageManagerException e) { 7773 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7774 } 7775 } 7776 } 7777 return res; 7778 } 7779 7780 /** 7781 * Derive the value of the {@code cpuAbiOverride} based on the provided 7782 * value and an optional stored value from the package settings. 7783 */ 7784 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7785 String cpuAbiOverride = null; 7786 7787 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7788 cpuAbiOverride = null; 7789 } else if (abiOverride != null) { 7790 cpuAbiOverride = abiOverride; 7791 } else if (settings != null) { 7792 cpuAbiOverride = settings.cpuAbiOverrideString; 7793 } 7794 7795 return cpuAbiOverride; 7796 } 7797 7798 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7799 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7800 throws PackageManagerException { 7801 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7802 // If the package has children and this is the first dive in the function 7803 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7804 // whether all packages (parent and children) would be successfully scanned 7805 // before the actual scan since scanning mutates internal state and we want 7806 // to atomically install the package and its children. 7807 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7808 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7809 scanFlags |= SCAN_CHECK_ONLY; 7810 } 7811 } else { 7812 scanFlags &= ~SCAN_CHECK_ONLY; 7813 } 7814 7815 final PackageParser.Package scannedPkg; 7816 try { 7817 // Scan the parent 7818 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7819 // Scan the children 7820 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7821 for (int i = 0; i < childCount; i++) { 7822 PackageParser.Package childPkg = pkg.childPackages.get(i); 7823 scanPackageLI(childPkg, policyFlags, 7824 scanFlags, currentTime, user); 7825 } 7826 } finally { 7827 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7828 } 7829 7830 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7831 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7832 } 7833 7834 return scannedPkg; 7835 } 7836 7837 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7838 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7839 boolean success = false; 7840 try { 7841 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7842 currentTime, user); 7843 success = true; 7844 return res; 7845 } finally { 7846 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7847 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7848 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7849 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7850 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7851 } 7852 } 7853 } 7854 7855 /** 7856 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7857 */ 7858 private static boolean apkHasCode(String fileName) { 7859 StrictJarFile jarFile = null; 7860 try { 7861 jarFile = new StrictJarFile(fileName, 7862 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7863 return jarFile.findEntry("classes.dex") != null; 7864 } catch (IOException ignore) { 7865 } finally { 7866 try { 7867 if (jarFile != null) { 7868 jarFile.close(); 7869 } 7870 } catch (IOException ignore) {} 7871 } 7872 return false; 7873 } 7874 7875 /** 7876 * Enforces code policy for the package. This ensures that if an APK has 7877 * declared hasCode="true" in its manifest that the APK actually contains 7878 * code. 7879 * 7880 * @throws PackageManagerException If bytecode could not be found when it should exist 7881 */ 7882 private static void enforceCodePolicy(PackageParser.Package pkg) 7883 throws PackageManagerException { 7884 final boolean shouldHaveCode = 7885 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7886 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7887 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7888 "Package " + pkg.baseCodePath + " code is missing"); 7889 } 7890 7891 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7892 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7893 final boolean splitShouldHaveCode = 7894 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7895 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7896 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7897 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7898 } 7899 } 7900 } 7901 } 7902 7903 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7904 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7905 throws PackageManagerException { 7906 final File scanFile = new File(pkg.codePath); 7907 if (pkg.applicationInfo.getCodePath() == null || 7908 pkg.applicationInfo.getResourcePath() == null) { 7909 // Bail out. The resource and code paths haven't been set. 7910 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7911 "Code and resource paths haven't been set correctly"); 7912 } 7913 7914 // Apply policy 7915 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7916 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7917 if (pkg.applicationInfo.isDirectBootAware()) { 7918 // we're direct boot aware; set for all components 7919 for (PackageParser.Service s : pkg.services) { 7920 s.info.encryptionAware = s.info.directBootAware = true; 7921 } 7922 for (PackageParser.Provider p : pkg.providers) { 7923 p.info.encryptionAware = p.info.directBootAware = true; 7924 } 7925 for (PackageParser.Activity a : pkg.activities) { 7926 a.info.encryptionAware = a.info.directBootAware = true; 7927 } 7928 for (PackageParser.Activity r : pkg.receivers) { 7929 r.info.encryptionAware = r.info.directBootAware = true; 7930 } 7931 } 7932 } else { 7933 // Only allow system apps to be flagged as core apps. 7934 pkg.coreApp = false; 7935 // clear flags not applicable to regular apps 7936 pkg.applicationInfo.privateFlags &= 7937 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7938 pkg.applicationInfo.privateFlags &= 7939 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7940 } 7941 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7942 7943 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7944 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7945 } 7946 7947 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7948 enforceCodePolicy(pkg); 7949 } 7950 7951 if (mCustomResolverComponentName != null && 7952 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7953 setUpCustomResolverActivity(pkg); 7954 } 7955 7956 if (pkg.packageName.equals("android")) { 7957 synchronized (mPackages) { 7958 if (mAndroidApplication != null) { 7959 Slog.w(TAG, "*************************************************"); 7960 Slog.w(TAG, "Core android package being redefined. Skipping."); 7961 Slog.w(TAG, " file=" + scanFile); 7962 Slog.w(TAG, "*************************************************"); 7963 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7964 "Core android package being redefined. Skipping."); 7965 } 7966 7967 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7968 // Set up information for our fall-back user intent resolution activity. 7969 mPlatformPackage = pkg; 7970 pkg.mVersionCode = mSdkVersion; 7971 mAndroidApplication = pkg.applicationInfo; 7972 7973 if (!mResolverReplaced) { 7974 mResolveActivity.applicationInfo = mAndroidApplication; 7975 mResolveActivity.name = ResolverActivity.class.getName(); 7976 mResolveActivity.packageName = mAndroidApplication.packageName; 7977 mResolveActivity.processName = "system:ui"; 7978 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7979 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7980 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7981 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7982 mResolveActivity.exported = true; 7983 mResolveActivity.enabled = true; 7984 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7985 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7986 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7987 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7988 | ActivityInfo.CONFIG_ORIENTATION 7989 | ActivityInfo.CONFIG_KEYBOARD 7990 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7991 mResolveInfo.activityInfo = mResolveActivity; 7992 mResolveInfo.priority = 0; 7993 mResolveInfo.preferredOrder = 0; 7994 mResolveInfo.match = 0; 7995 mResolveComponentName = new ComponentName( 7996 mAndroidApplication.packageName, mResolveActivity.name); 7997 } 7998 } 7999 } 8000 } 8001 8002 if (DEBUG_PACKAGE_SCANNING) { 8003 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8004 Log.d(TAG, "Scanning package " + pkg.packageName); 8005 } 8006 8007 synchronized (mPackages) { 8008 if (mPackages.containsKey(pkg.packageName) 8009 || mSharedLibraries.containsKey(pkg.packageName)) { 8010 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8011 "Application package " + pkg.packageName 8012 + " already installed. Skipping duplicate."); 8013 } 8014 8015 // If we're only installing presumed-existing packages, require that the 8016 // scanned APK is both already known and at the path previously established 8017 // for it. Previously unknown packages we pick up normally, but if we have an 8018 // a priori expectation about this package's install presence, enforce it. 8019 // With a singular exception for new system packages. When an OTA contains 8020 // a new system package, we allow the codepath to change from a system location 8021 // to the user-installed location. If we don't allow this change, any newer, 8022 // user-installed version of the application will be ignored. 8023 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8024 if (mExpectingBetter.containsKey(pkg.packageName)) { 8025 logCriticalInfo(Log.WARN, 8026 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8027 } else { 8028 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8029 if (known != null) { 8030 if (DEBUG_PACKAGE_SCANNING) { 8031 Log.d(TAG, "Examining " + pkg.codePath 8032 + " and requiring known paths " + known.codePathString 8033 + " & " + known.resourcePathString); 8034 } 8035 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8036 || !pkg.applicationInfo.getResourcePath().equals( 8037 known.resourcePathString)) { 8038 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8039 "Application package " + pkg.packageName 8040 + " found at " + pkg.applicationInfo.getCodePath() 8041 + " but expected at " + known.codePathString 8042 + "; ignoring."); 8043 } 8044 } 8045 } 8046 } 8047 } 8048 8049 // Initialize package source and resource directories 8050 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8051 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8052 8053 SharedUserSetting suid = null; 8054 PackageSetting pkgSetting = null; 8055 8056 if (!isSystemApp(pkg)) { 8057 // Only system apps can use these features. 8058 pkg.mOriginalPackages = null; 8059 pkg.mRealPackage = null; 8060 pkg.mAdoptPermissions = null; 8061 } 8062 8063 // Getting the package setting may have a side-effect, so if we 8064 // are only checking if scan would succeed, stash a copy of the 8065 // old setting to restore at the end. 8066 PackageSetting nonMutatedPs = null; 8067 8068 // writer 8069 synchronized (mPackages) { 8070 if (pkg.mSharedUserId != null) { 8071 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8072 if (suid == null) { 8073 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8074 "Creating application package " + pkg.packageName 8075 + " for shared user failed"); 8076 } 8077 if (DEBUG_PACKAGE_SCANNING) { 8078 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8079 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8080 + "): packages=" + suid.packages); 8081 } 8082 } 8083 8084 // Check if we are renaming from an original package name. 8085 PackageSetting origPackage = null; 8086 String realName = null; 8087 if (pkg.mOriginalPackages != null) { 8088 // This package may need to be renamed to a previously 8089 // installed name. Let's check on that... 8090 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8091 if (pkg.mOriginalPackages.contains(renamed)) { 8092 // This package had originally been installed as the 8093 // original name, and we have already taken care of 8094 // transitioning to the new one. Just update the new 8095 // one to continue using the old name. 8096 realName = pkg.mRealPackage; 8097 if (!pkg.packageName.equals(renamed)) { 8098 // Callers into this function may have already taken 8099 // care of renaming the package; only do it here if 8100 // it is not already done. 8101 pkg.setPackageName(renamed); 8102 } 8103 8104 } else { 8105 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8106 if ((origPackage = mSettings.peekPackageLPr( 8107 pkg.mOriginalPackages.get(i))) != null) { 8108 // We do have the package already installed under its 8109 // original name... should we use it? 8110 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8111 // New package is not compatible with original. 8112 origPackage = null; 8113 continue; 8114 } else if (origPackage.sharedUser != null) { 8115 // Make sure uid is compatible between packages. 8116 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8117 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8118 + " to " + pkg.packageName + ": old uid " 8119 + origPackage.sharedUser.name 8120 + " differs from " + pkg.mSharedUserId); 8121 origPackage = null; 8122 continue; 8123 } 8124 // TODO: Add case when shared user id is added [b/28144775] 8125 } else { 8126 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8127 + pkg.packageName + " to old name " + origPackage.name); 8128 } 8129 break; 8130 } 8131 } 8132 } 8133 } 8134 8135 if (mTransferedPackages.contains(pkg.packageName)) { 8136 Slog.w(TAG, "Package " + pkg.packageName 8137 + " was transferred to another, but its .apk remains"); 8138 } 8139 8140 // See comments in nonMutatedPs declaration 8141 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8142 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8143 if (foundPs != null) { 8144 nonMutatedPs = new PackageSetting(foundPs); 8145 } 8146 } 8147 8148 // Just create the setting, don't add it yet. For already existing packages 8149 // the PkgSetting exists already and doesn't have to be created. 8150 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8151 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8152 pkg.applicationInfo.primaryCpuAbi, 8153 pkg.applicationInfo.secondaryCpuAbi, 8154 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8155 user, false); 8156 if (pkgSetting == null) { 8157 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8158 "Creating application package " + pkg.packageName + " failed"); 8159 } 8160 8161 if (pkgSetting.origPackage != null) { 8162 // If we are first transitioning from an original package, 8163 // fix up the new package's name now. We need to do this after 8164 // looking up the package under its new name, so getPackageLP 8165 // can take care of fiddling things correctly. 8166 pkg.setPackageName(origPackage.name); 8167 8168 // File a report about this. 8169 String msg = "New package " + pkgSetting.realName 8170 + " renamed to replace old package " + pkgSetting.name; 8171 reportSettingsProblem(Log.WARN, msg); 8172 8173 // Make a note of it. 8174 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8175 mTransferedPackages.add(origPackage.name); 8176 } 8177 8178 // No longer need to retain this. 8179 pkgSetting.origPackage = null; 8180 } 8181 8182 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8183 // Make a note of it. 8184 mTransferedPackages.add(pkg.packageName); 8185 } 8186 8187 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8188 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8189 } 8190 8191 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8192 // Check all shared libraries and map to their actual file path. 8193 // We only do this here for apps not on a system dir, because those 8194 // are the only ones that can fail an install due to this. We 8195 // will take care of the system apps by updating all of their 8196 // library paths after the scan is done. 8197 updateSharedLibrariesLPw(pkg, null); 8198 } 8199 8200 if (mFoundPolicyFile) { 8201 SELinuxMMAC.assignSeinfoValue(pkg); 8202 } 8203 8204 pkg.applicationInfo.uid = pkgSetting.appId; 8205 pkg.mExtras = pkgSetting; 8206 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8207 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8208 // We just determined the app is signed correctly, so bring 8209 // over the latest parsed certs. 8210 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8211 } else { 8212 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8213 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8214 "Package " + pkg.packageName + " upgrade keys do not match the " 8215 + "previously installed version"); 8216 } else { 8217 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8218 String msg = "System package " + pkg.packageName 8219 + " signature changed; retaining data."; 8220 reportSettingsProblem(Log.WARN, msg); 8221 } 8222 } 8223 } else { 8224 try { 8225 verifySignaturesLP(pkgSetting, pkg); 8226 // We just determined the app is signed correctly, so bring 8227 // over the latest parsed certs. 8228 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8229 } catch (PackageManagerException e) { 8230 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8231 throw e; 8232 } 8233 // The signature has changed, but this package is in the system 8234 // image... let's recover! 8235 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8236 // However... if this package is part of a shared user, but it 8237 // doesn't match the signature of the shared user, let's fail. 8238 // What this means is that you can't change the signatures 8239 // associated with an overall shared user, which doesn't seem all 8240 // that unreasonable. 8241 if (pkgSetting.sharedUser != null) { 8242 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8243 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8244 throw new PackageManagerException( 8245 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8246 "Signature mismatch for shared user: " 8247 + pkgSetting.sharedUser); 8248 } 8249 } 8250 // File a report about this. 8251 String msg = "System package " + pkg.packageName 8252 + " signature changed; retaining data."; 8253 reportSettingsProblem(Log.WARN, msg); 8254 } 8255 } 8256 // Verify that this new package doesn't have any content providers 8257 // that conflict with existing packages. Only do this if the 8258 // package isn't already installed, since we don't want to break 8259 // things that are installed. 8260 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8261 final int N = pkg.providers.size(); 8262 int i; 8263 for (i=0; i<N; i++) { 8264 PackageParser.Provider p = pkg.providers.get(i); 8265 if (p.info.authority != null) { 8266 String names[] = p.info.authority.split(";"); 8267 for (int j = 0; j < names.length; j++) { 8268 if (mProvidersByAuthority.containsKey(names[j])) { 8269 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8270 final String otherPackageName = 8271 ((other != null && other.getComponentName() != null) ? 8272 other.getComponentName().getPackageName() : "?"); 8273 throw new PackageManagerException( 8274 INSTALL_FAILED_CONFLICTING_PROVIDER, 8275 "Can't install because provider name " + names[j] 8276 + " (in package " + pkg.applicationInfo.packageName 8277 + ") is already used by " + otherPackageName); 8278 } 8279 } 8280 } 8281 } 8282 } 8283 8284 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8285 // This package wants to adopt ownership of permissions from 8286 // another package. 8287 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8288 final String origName = pkg.mAdoptPermissions.get(i); 8289 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8290 if (orig != null) { 8291 if (verifyPackageUpdateLPr(orig, pkg)) { 8292 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8293 + pkg.packageName); 8294 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8295 } 8296 } 8297 } 8298 } 8299 } 8300 8301 final String pkgName = pkg.packageName; 8302 8303 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8304 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8305 pkg.applicationInfo.processName = fixProcessName( 8306 pkg.applicationInfo.packageName, 8307 pkg.applicationInfo.processName, 8308 pkg.applicationInfo.uid); 8309 8310 if (pkg != mPlatformPackage) { 8311 // Get all of our default paths setup 8312 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8313 } 8314 8315 final String path = scanFile.getPath(); 8316 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8317 8318 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8319 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8320 8321 // Some system apps still use directory structure for native libraries 8322 // in which case we might end up not detecting abi solely based on apk 8323 // structure. Try to detect abi based on directory structure. 8324 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8325 pkg.applicationInfo.primaryCpuAbi == null) { 8326 setBundledAppAbisAndRoots(pkg, pkgSetting); 8327 setNativeLibraryPaths(pkg); 8328 } 8329 8330 } else { 8331 if ((scanFlags & SCAN_MOVE) != 0) { 8332 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8333 // but we already have this packages package info in the PackageSetting. We just 8334 // use that and derive the native library path based on the new codepath. 8335 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8336 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8337 } 8338 8339 // Set native library paths again. For moves, the path will be updated based on the 8340 // ABIs we've determined above. For non-moves, the path will be updated based on the 8341 // ABIs we determined during compilation, but the path will depend on the final 8342 // package path (after the rename away from the stage path). 8343 setNativeLibraryPaths(pkg); 8344 } 8345 8346 // This is a special case for the "system" package, where the ABI is 8347 // dictated by the zygote configuration (and init.rc). We should keep track 8348 // of this ABI so that we can deal with "normal" applications that run under 8349 // the same UID correctly. 8350 if (mPlatformPackage == pkg) { 8351 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8352 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8353 } 8354 8355 // If there's a mismatch between the abi-override in the package setting 8356 // and the abiOverride specified for the install. Warn about this because we 8357 // would've already compiled the app without taking the package setting into 8358 // account. 8359 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8360 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8361 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8362 " for package " + pkg.packageName); 8363 } 8364 } 8365 8366 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8367 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8368 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8369 8370 // Copy the derived override back to the parsed package, so that we can 8371 // update the package settings accordingly. 8372 pkg.cpuAbiOverride = cpuAbiOverride; 8373 8374 if (DEBUG_ABI_SELECTION) { 8375 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8376 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8377 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8378 } 8379 8380 // Push the derived path down into PackageSettings so we know what to 8381 // clean up at uninstall time. 8382 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8383 8384 if (DEBUG_ABI_SELECTION) { 8385 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8386 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8387 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8388 } 8389 8390 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8391 // We don't do this here during boot because we can do it all 8392 // at once after scanning all existing packages. 8393 // 8394 // We also do this *before* we perform dexopt on this package, so that 8395 // we can avoid redundant dexopts, and also to make sure we've got the 8396 // code and package path correct. 8397 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8398 pkg, true /* boot complete */); 8399 } 8400 8401 if (mFactoryTest && pkg.requestedPermissions.contains( 8402 android.Manifest.permission.FACTORY_TEST)) { 8403 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8404 } 8405 8406 ArrayList<PackageParser.Package> clientLibPkgs = null; 8407 8408 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8409 if (nonMutatedPs != null) { 8410 synchronized (mPackages) { 8411 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8412 } 8413 } 8414 return pkg; 8415 } 8416 8417 // Only privileged apps and updated privileged apps can add child packages. 8418 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8419 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8420 throw new PackageManagerException("Only privileged apps and updated " 8421 + "privileged apps can add child packages. Ignoring package " 8422 + pkg.packageName); 8423 } 8424 final int childCount = pkg.childPackages.size(); 8425 for (int i = 0; i < childCount; i++) { 8426 PackageParser.Package childPkg = pkg.childPackages.get(i); 8427 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8428 childPkg.packageName)) { 8429 throw new PackageManagerException("Cannot override a child package of " 8430 + "another disabled system app. Ignoring package " + pkg.packageName); 8431 } 8432 } 8433 } 8434 8435 // writer 8436 synchronized (mPackages) { 8437 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8438 // Only system apps can add new shared libraries. 8439 if (pkg.libraryNames != null) { 8440 for (int i=0; i<pkg.libraryNames.size(); i++) { 8441 String name = pkg.libraryNames.get(i); 8442 boolean allowed = false; 8443 if (pkg.isUpdatedSystemApp()) { 8444 // New library entries can only be added through the 8445 // system image. This is important to get rid of a lot 8446 // of nasty edge cases: for example if we allowed a non- 8447 // system update of the app to add a library, then uninstalling 8448 // the update would make the library go away, and assumptions 8449 // we made such as through app install filtering would now 8450 // have allowed apps on the device which aren't compatible 8451 // with it. Better to just have the restriction here, be 8452 // conservative, and create many fewer cases that can negatively 8453 // impact the user experience. 8454 final PackageSetting sysPs = mSettings 8455 .getDisabledSystemPkgLPr(pkg.packageName); 8456 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8457 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8458 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8459 allowed = true; 8460 break; 8461 } 8462 } 8463 } 8464 } else { 8465 allowed = true; 8466 } 8467 if (allowed) { 8468 if (!mSharedLibraries.containsKey(name)) { 8469 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8470 } else if (!name.equals(pkg.packageName)) { 8471 Slog.w(TAG, "Package " + pkg.packageName + " library " 8472 + name + " already exists; skipping"); 8473 } 8474 } else { 8475 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8476 + name + " that is not declared on system image; skipping"); 8477 } 8478 } 8479 if ((scanFlags & SCAN_BOOTING) == 0) { 8480 // If we are not booting, we need to update any applications 8481 // that are clients of our shared library. If we are booting, 8482 // this will all be done once the scan is complete. 8483 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8484 } 8485 } 8486 } 8487 } 8488 8489 if ((scanFlags & SCAN_BOOTING) != 0) { 8490 // No apps can run during boot scan, so they don't need to be frozen 8491 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8492 // Caller asked to not kill app, so it's probably not frozen 8493 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8494 // Caller asked us to ignore frozen check for some reason; they 8495 // probably didn't know the package name 8496 } else { 8497 // We're doing major surgery on this package, so it better be frozen 8498 // right now to keep it from launching 8499 checkPackageFrozen(pkgName); 8500 } 8501 8502 // Also need to kill any apps that are dependent on the library. 8503 if (clientLibPkgs != null) { 8504 for (int i=0; i<clientLibPkgs.size(); i++) { 8505 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8506 killApplication(clientPkg.applicationInfo.packageName, 8507 clientPkg.applicationInfo.uid, "update lib"); 8508 } 8509 } 8510 8511 // Make sure we're not adding any bogus keyset info 8512 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8513 ksms.assertScannedPackageValid(pkg); 8514 8515 // writer 8516 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8517 8518 boolean createIdmapFailed = false; 8519 synchronized (mPackages) { 8520 // We don't expect installation to fail beyond this point 8521 8522 if (pkgSetting.pkg != null) { 8523 // Note that |user| might be null during the initial boot scan. If a codePath 8524 // for an app has changed during a boot scan, it's due to an app update that's 8525 // part of the system partition and marker changes must be applied to all users. 8526 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8527 (user != null) ? user : UserHandle.ALL); 8528 } 8529 8530 // Add the new setting to mSettings 8531 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8532 // Add the new setting to mPackages 8533 mPackages.put(pkg.applicationInfo.packageName, pkg); 8534 // Make sure we don't accidentally delete its data. 8535 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8536 while (iter.hasNext()) { 8537 PackageCleanItem item = iter.next(); 8538 if (pkgName.equals(item.packageName)) { 8539 iter.remove(); 8540 } 8541 } 8542 8543 // Take care of first install / last update times. 8544 if (currentTime != 0) { 8545 if (pkgSetting.firstInstallTime == 0) { 8546 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8547 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8548 pkgSetting.lastUpdateTime = currentTime; 8549 } 8550 } else if (pkgSetting.firstInstallTime == 0) { 8551 // We need *something*. Take time time stamp of the file. 8552 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8553 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8554 if (scanFileTime != pkgSetting.timeStamp) { 8555 // A package on the system image has changed; consider this 8556 // to be an update. 8557 pkgSetting.lastUpdateTime = scanFileTime; 8558 } 8559 } 8560 8561 // Add the package's KeySets to the global KeySetManagerService 8562 ksms.addScannedPackageLPw(pkg); 8563 8564 int N = pkg.providers.size(); 8565 StringBuilder r = null; 8566 int i; 8567 for (i=0; i<N; i++) { 8568 PackageParser.Provider p = pkg.providers.get(i); 8569 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8570 p.info.processName, pkg.applicationInfo.uid); 8571 mProviders.addProvider(p); 8572 p.syncable = p.info.isSyncable; 8573 if (p.info.authority != null) { 8574 String names[] = p.info.authority.split(";"); 8575 p.info.authority = null; 8576 for (int j = 0; j < names.length; j++) { 8577 if (j == 1 && p.syncable) { 8578 // We only want the first authority for a provider to possibly be 8579 // syncable, so if we already added this provider using a different 8580 // authority clear the syncable flag. We copy the provider before 8581 // changing it because the mProviders object contains a reference 8582 // to a provider that we don't want to change. 8583 // Only do this for the second authority since the resulting provider 8584 // object can be the same for all future authorities for this provider. 8585 p = new PackageParser.Provider(p); 8586 p.syncable = false; 8587 } 8588 if (!mProvidersByAuthority.containsKey(names[j])) { 8589 mProvidersByAuthority.put(names[j], p); 8590 if (p.info.authority == null) { 8591 p.info.authority = names[j]; 8592 } else { 8593 p.info.authority = p.info.authority + ";" + names[j]; 8594 } 8595 if (DEBUG_PACKAGE_SCANNING) { 8596 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8597 Log.d(TAG, "Registered content provider: " + names[j] 8598 + ", className = " + p.info.name + ", isSyncable = " 8599 + p.info.isSyncable); 8600 } 8601 } else { 8602 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8603 Slog.w(TAG, "Skipping provider name " + names[j] + 8604 " (in package " + pkg.applicationInfo.packageName + 8605 "): name already used by " 8606 + ((other != null && other.getComponentName() != null) 8607 ? other.getComponentName().getPackageName() : "?")); 8608 } 8609 } 8610 } 8611 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8612 if (r == null) { 8613 r = new StringBuilder(256); 8614 } else { 8615 r.append(' '); 8616 } 8617 r.append(p.info.name); 8618 } 8619 } 8620 if (r != null) { 8621 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8622 } 8623 8624 N = pkg.services.size(); 8625 r = null; 8626 for (i=0; i<N; i++) { 8627 PackageParser.Service s = pkg.services.get(i); 8628 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8629 s.info.processName, pkg.applicationInfo.uid); 8630 mServices.addService(s); 8631 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8632 if (r == null) { 8633 r = new StringBuilder(256); 8634 } else { 8635 r.append(' '); 8636 } 8637 r.append(s.info.name); 8638 } 8639 } 8640 if (r != null) { 8641 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8642 } 8643 8644 N = pkg.receivers.size(); 8645 r = null; 8646 for (i=0; i<N; i++) { 8647 PackageParser.Activity a = pkg.receivers.get(i); 8648 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8649 a.info.processName, pkg.applicationInfo.uid); 8650 mReceivers.addActivity(a, "receiver"); 8651 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8652 if (r == null) { 8653 r = new StringBuilder(256); 8654 } else { 8655 r.append(' '); 8656 } 8657 r.append(a.info.name); 8658 } 8659 } 8660 if (r != null) { 8661 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8662 } 8663 8664 N = pkg.activities.size(); 8665 r = null; 8666 for (i=0; i<N; i++) { 8667 PackageParser.Activity a = pkg.activities.get(i); 8668 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8669 a.info.processName, pkg.applicationInfo.uid); 8670 mActivities.addActivity(a, "activity"); 8671 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8672 if (r == null) { 8673 r = new StringBuilder(256); 8674 } else { 8675 r.append(' '); 8676 } 8677 r.append(a.info.name); 8678 } 8679 } 8680 if (r != null) { 8681 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8682 } 8683 8684 N = pkg.permissionGroups.size(); 8685 r = null; 8686 for (i=0; i<N; i++) { 8687 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8688 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8689 if (cur == null) { 8690 mPermissionGroups.put(pg.info.name, pg); 8691 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8692 if (r == null) { 8693 r = new StringBuilder(256); 8694 } else { 8695 r.append(' '); 8696 } 8697 r.append(pg.info.name); 8698 } 8699 } else { 8700 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8701 + pg.info.packageName + " ignored: original from " 8702 + cur.info.packageName); 8703 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8704 if (r == null) { 8705 r = new StringBuilder(256); 8706 } else { 8707 r.append(' '); 8708 } 8709 r.append("DUP:"); 8710 r.append(pg.info.name); 8711 } 8712 } 8713 } 8714 if (r != null) { 8715 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8716 } 8717 8718 N = pkg.permissions.size(); 8719 r = null; 8720 for (i=0; i<N; i++) { 8721 PackageParser.Permission p = pkg.permissions.get(i); 8722 8723 // Assume by default that we did not install this permission into the system. 8724 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8725 8726 // Now that permission groups have a special meaning, we ignore permission 8727 // groups for legacy apps to prevent unexpected behavior. In particular, 8728 // permissions for one app being granted to someone just becase they happen 8729 // to be in a group defined by another app (before this had no implications). 8730 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8731 p.group = mPermissionGroups.get(p.info.group); 8732 // Warn for a permission in an unknown group. 8733 if (p.info.group != null && p.group == null) { 8734 Slog.w(TAG, "Permission " + p.info.name + " from package " 8735 + p.info.packageName + " in an unknown group " + p.info.group); 8736 } 8737 } 8738 8739 ArrayMap<String, BasePermission> permissionMap = 8740 p.tree ? mSettings.mPermissionTrees 8741 : mSettings.mPermissions; 8742 BasePermission bp = permissionMap.get(p.info.name); 8743 8744 // Allow system apps to redefine non-system permissions 8745 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8746 final boolean currentOwnerIsSystem = (bp.perm != null 8747 && isSystemApp(bp.perm.owner)); 8748 if (isSystemApp(p.owner)) { 8749 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8750 // It's a built-in permission and no owner, take ownership now 8751 bp.packageSetting = pkgSetting; 8752 bp.perm = p; 8753 bp.uid = pkg.applicationInfo.uid; 8754 bp.sourcePackage = p.info.packageName; 8755 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8756 } else if (!currentOwnerIsSystem) { 8757 String msg = "New decl " + p.owner + " of permission " 8758 + p.info.name + " is system; overriding " + bp.sourcePackage; 8759 reportSettingsProblem(Log.WARN, msg); 8760 bp = null; 8761 } 8762 } 8763 } 8764 8765 if (bp == null) { 8766 bp = new BasePermission(p.info.name, p.info.packageName, 8767 BasePermission.TYPE_NORMAL); 8768 permissionMap.put(p.info.name, bp); 8769 } 8770 8771 if (bp.perm == null) { 8772 if (bp.sourcePackage == null 8773 || bp.sourcePackage.equals(p.info.packageName)) { 8774 BasePermission tree = findPermissionTreeLP(p.info.name); 8775 if (tree == null 8776 || tree.sourcePackage.equals(p.info.packageName)) { 8777 bp.packageSetting = pkgSetting; 8778 bp.perm = p; 8779 bp.uid = pkg.applicationInfo.uid; 8780 bp.sourcePackage = p.info.packageName; 8781 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8782 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8783 if (r == null) { 8784 r = new StringBuilder(256); 8785 } else { 8786 r.append(' '); 8787 } 8788 r.append(p.info.name); 8789 } 8790 } else { 8791 Slog.w(TAG, "Permission " + p.info.name + " from package " 8792 + p.info.packageName + " ignored: base tree " 8793 + tree.name + " is from package " 8794 + tree.sourcePackage); 8795 } 8796 } else { 8797 Slog.w(TAG, "Permission " + p.info.name + " from package " 8798 + p.info.packageName + " ignored: original from " 8799 + bp.sourcePackage); 8800 } 8801 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8802 if (r == null) { 8803 r = new StringBuilder(256); 8804 } else { 8805 r.append(' '); 8806 } 8807 r.append("DUP:"); 8808 r.append(p.info.name); 8809 } 8810 if (bp.perm == p) { 8811 bp.protectionLevel = p.info.protectionLevel; 8812 } 8813 } 8814 8815 if (r != null) { 8816 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8817 } 8818 8819 N = pkg.instrumentation.size(); 8820 r = null; 8821 for (i=0; i<N; i++) { 8822 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8823 a.info.packageName = pkg.applicationInfo.packageName; 8824 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8825 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8826 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8827 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8828 a.info.dataDir = pkg.applicationInfo.dataDir; 8829 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8830 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8831 8832 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8833 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8834 mInstrumentation.put(a.getComponentName(), a); 8835 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8836 if (r == null) { 8837 r = new StringBuilder(256); 8838 } else { 8839 r.append(' '); 8840 } 8841 r.append(a.info.name); 8842 } 8843 } 8844 if (r != null) { 8845 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8846 } 8847 8848 if (pkg.protectedBroadcasts != null) { 8849 N = pkg.protectedBroadcasts.size(); 8850 for (i=0; i<N; i++) { 8851 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8852 } 8853 } 8854 8855 pkgSetting.setTimeStamp(scanFileTime); 8856 8857 // Create idmap files for pairs of (packages, overlay packages). 8858 // Note: "android", ie framework-res.apk, is handled by native layers. 8859 if (pkg.mOverlayTarget != null) { 8860 // This is an overlay package. 8861 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8862 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8863 mOverlays.put(pkg.mOverlayTarget, 8864 new ArrayMap<String, PackageParser.Package>()); 8865 } 8866 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8867 map.put(pkg.packageName, pkg); 8868 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8869 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8870 createIdmapFailed = true; 8871 } 8872 } 8873 } else if (mOverlays.containsKey(pkg.packageName) && 8874 !pkg.packageName.equals("android")) { 8875 // This is a regular package, with one or more known overlay packages. 8876 createIdmapsForPackageLI(pkg); 8877 } 8878 } 8879 8880 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8881 8882 if (createIdmapFailed) { 8883 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8884 "scanPackageLI failed to createIdmap"); 8885 } 8886 return pkg; 8887 } 8888 8889 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8890 PackageParser.Package update, UserHandle user) { 8891 if (existing.applicationInfo == null || update.applicationInfo == null) { 8892 // This isn't due to an app installation. 8893 return; 8894 } 8895 8896 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8897 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8898 8899 // The codePath hasn't changed, so there's nothing for us to do. 8900 if (Objects.equals(oldCodePath, newCodePath)) { 8901 return; 8902 } 8903 8904 File canonicalNewCodePath; 8905 try { 8906 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8907 } catch (IOException e) { 8908 Slog.w(TAG, "Failed to get canonical path.", e); 8909 return; 8910 } 8911 8912 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8913 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8914 // that the last component of the path (i.e, the name) doesn't need canonicalization 8915 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8916 // but may change in the future. Hopefully this function won't exist at that point. 8917 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8918 oldCodePath.getName()); 8919 8920 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8921 // with "@". 8922 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8923 if (!oldMarkerPrefix.endsWith("@")) { 8924 oldMarkerPrefix += "@"; 8925 } 8926 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8927 if (!newMarkerPrefix.endsWith("@")) { 8928 newMarkerPrefix += "@"; 8929 } 8930 8931 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8932 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8933 for (String updatedPath : updatedPaths) { 8934 String updatedPathName = new File(updatedPath).getName(); 8935 markerSuffixes.add(updatedPathName.replace('/', '@')); 8936 } 8937 8938 for (int userId : resolveUserIds(user.getIdentifier())) { 8939 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 8940 8941 for (String markerSuffix : markerSuffixes) { 8942 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 8943 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 8944 if (oldForeignUseMark.exists()) { 8945 try { 8946 Os.rename(oldForeignUseMark.getAbsolutePath(), 8947 newForeignUseMark.getAbsolutePath()); 8948 } catch (ErrnoException e) { 8949 Slog.w(TAG, "Failed to rename foreign use marker", e); 8950 oldForeignUseMark.delete(); 8951 } 8952 } 8953 } 8954 } 8955 } 8956 8957 /** 8958 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8959 * is derived purely on the basis of the contents of {@code scanFile} and 8960 * {@code cpuAbiOverride}. 8961 * 8962 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8963 */ 8964 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8965 String cpuAbiOverride, boolean extractLibs) 8966 throws PackageManagerException { 8967 // TODO: We can probably be smarter about this stuff. For installed apps, 8968 // we can calculate this information at install time once and for all. For 8969 // system apps, we can probably assume that this information doesn't change 8970 // after the first boot scan. As things stand, we do lots of unnecessary work. 8971 8972 // Give ourselves some initial paths; we'll come back for another 8973 // pass once we've determined ABI below. 8974 setNativeLibraryPaths(pkg); 8975 8976 // We would never need to extract libs for forward-locked and external packages, 8977 // since the container service will do it for us. We shouldn't attempt to 8978 // extract libs from system app when it was not updated. 8979 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8980 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8981 extractLibs = false; 8982 } 8983 8984 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8985 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8986 8987 NativeLibraryHelper.Handle handle = null; 8988 try { 8989 handle = NativeLibraryHelper.Handle.create(pkg); 8990 // TODO(multiArch): This can be null for apps that didn't go through the 8991 // usual installation process. We can calculate it again, like we 8992 // do during install time. 8993 // 8994 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8995 // unnecessary. 8996 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8997 8998 // Null out the abis so that they can be recalculated. 8999 pkg.applicationInfo.primaryCpuAbi = null; 9000 pkg.applicationInfo.secondaryCpuAbi = null; 9001 if (isMultiArch(pkg.applicationInfo)) { 9002 // Warn if we've set an abiOverride for multi-lib packages.. 9003 // By definition, we need to copy both 32 and 64 bit libraries for 9004 // such packages. 9005 if (pkg.cpuAbiOverride != null 9006 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9007 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9008 } 9009 9010 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9011 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9012 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9013 if (extractLibs) { 9014 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9015 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9016 useIsaSpecificSubdirs); 9017 } else { 9018 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9019 } 9020 } 9021 9022 maybeThrowExceptionForMultiArchCopy( 9023 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9024 9025 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9026 if (extractLibs) { 9027 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9028 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9029 useIsaSpecificSubdirs); 9030 } else { 9031 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9032 } 9033 } 9034 9035 maybeThrowExceptionForMultiArchCopy( 9036 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9037 9038 if (abi64 >= 0) { 9039 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9040 } 9041 9042 if (abi32 >= 0) { 9043 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9044 if (abi64 >= 0) { 9045 if (pkg.use32bitAbi) { 9046 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9047 pkg.applicationInfo.primaryCpuAbi = abi; 9048 } else { 9049 pkg.applicationInfo.secondaryCpuAbi = abi; 9050 } 9051 } else { 9052 pkg.applicationInfo.primaryCpuAbi = abi; 9053 } 9054 } 9055 9056 } else { 9057 String[] abiList = (cpuAbiOverride != null) ? 9058 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9059 9060 // Enable gross and lame hacks for apps that are built with old 9061 // SDK tools. We must scan their APKs for renderscript bitcode and 9062 // not launch them if it's present. Don't bother checking on devices 9063 // that don't have 64 bit support. 9064 boolean needsRenderScriptOverride = false; 9065 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9066 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9067 abiList = Build.SUPPORTED_32_BIT_ABIS; 9068 needsRenderScriptOverride = true; 9069 } 9070 9071 final int copyRet; 9072 if (extractLibs) { 9073 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9074 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9075 } else { 9076 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9077 } 9078 9079 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9080 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9081 "Error unpackaging native libs for app, errorCode=" + copyRet); 9082 } 9083 9084 if (copyRet >= 0) { 9085 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9086 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9087 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9088 } else if (needsRenderScriptOverride) { 9089 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9090 } 9091 } 9092 } catch (IOException ioe) { 9093 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9094 } finally { 9095 IoUtils.closeQuietly(handle); 9096 } 9097 9098 // Now that we've calculated the ABIs and determined if it's an internal app, 9099 // we will go ahead and populate the nativeLibraryPath. 9100 setNativeLibraryPaths(pkg); 9101 } 9102 9103 /** 9104 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9105 * i.e, so that all packages can be run inside a single process if required. 9106 * 9107 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9108 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9109 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9110 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9111 * updating a package that belongs to a shared user. 9112 * 9113 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9114 * adds unnecessary complexity. 9115 */ 9116 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9117 PackageParser.Package scannedPackage, boolean bootComplete) { 9118 String requiredInstructionSet = null; 9119 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9120 requiredInstructionSet = VMRuntime.getInstructionSet( 9121 scannedPackage.applicationInfo.primaryCpuAbi); 9122 } 9123 9124 PackageSetting requirer = null; 9125 for (PackageSetting ps : packagesForUser) { 9126 // If packagesForUser contains scannedPackage, we skip it. This will happen 9127 // when scannedPackage is an update of an existing package. Without this check, 9128 // we will never be able to change the ABI of any package belonging to a shared 9129 // user, even if it's compatible with other packages. 9130 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9131 if (ps.primaryCpuAbiString == null) { 9132 continue; 9133 } 9134 9135 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9136 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9137 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9138 // this but there's not much we can do. 9139 String errorMessage = "Instruction set mismatch, " 9140 + ((requirer == null) ? "[caller]" : requirer) 9141 + " requires " + requiredInstructionSet + " whereas " + ps 9142 + " requires " + instructionSet; 9143 Slog.w(TAG, errorMessage); 9144 } 9145 9146 if (requiredInstructionSet == null) { 9147 requiredInstructionSet = instructionSet; 9148 requirer = ps; 9149 } 9150 } 9151 } 9152 9153 if (requiredInstructionSet != null) { 9154 String adjustedAbi; 9155 if (requirer != null) { 9156 // requirer != null implies that either scannedPackage was null or that scannedPackage 9157 // did not require an ABI, in which case we have to adjust scannedPackage to match 9158 // the ABI of the set (which is the same as requirer's ABI) 9159 adjustedAbi = requirer.primaryCpuAbiString; 9160 if (scannedPackage != null) { 9161 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9162 } 9163 } else { 9164 // requirer == null implies that we're updating all ABIs in the set to 9165 // match scannedPackage. 9166 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9167 } 9168 9169 for (PackageSetting ps : packagesForUser) { 9170 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9171 if (ps.primaryCpuAbiString != null) { 9172 continue; 9173 } 9174 9175 ps.primaryCpuAbiString = adjustedAbi; 9176 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9177 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9178 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9179 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9180 + " (requirer=" 9181 + (requirer == null ? "null" : requirer.pkg.packageName) 9182 + ", scannedPackage=" 9183 + (scannedPackage != null ? scannedPackage.packageName : "null") 9184 + ")"); 9185 try { 9186 mInstaller.rmdex(ps.codePathString, 9187 getDexCodeInstructionSet(getPreferredInstructionSet())); 9188 } catch (InstallerException ignored) { 9189 } 9190 } 9191 } 9192 } 9193 } 9194 } 9195 9196 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9197 synchronized (mPackages) { 9198 mResolverReplaced = true; 9199 // Set up information for custom user intent resolution activity. 9200 mResolveActivity.applicationInfo = pkg.applicationInfo; 9201 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9202 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9203 mResolveActivity.processName = pkg.applicationInfo.packageName; 9204 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9205 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9206 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9207 mResolveActivity.theme = 0; 9208 mResolveActivity.exported = true; 9209 mResolveActivity.enabled = true; 9210 mResolveInfo.activityInfo = mResolveActivity; 9211 mResolveInfo.priority = 0; 9212 mResolveInfo.preferredOrder = 0; 9213 mResolveInfo.match = 0; 9214 mResolveComponentName = mCustomResolverComponentName; 9215 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9216 mResolveComponentName); 9217 } 9218 } 9219 9220 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9221 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9222 9223 // Set up information for ephemeral installer activity 9224 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9225 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9226 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9227 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9228 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9229 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9230 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9231 mEphemeralInstallerActivity.theme = 0; 9232 mEphemeralInstallerActivity.exported = true; 9233 mEphemeralInstallerActivity.enabled = true; 9234 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9235 mEphemeralInstallerInfo.priority = 0; 9236 mEphemeralInstallerInfo.preferredOrder = 1; 9237 mEphemeralInstallerInfo.isDefault = true; 9238 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9239 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9240 9241 if (DEBUG_EPHEMERAL) { 9242 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9243 } 9244 } 9245 9246 private static String calculateBundledApkRoot(final String codePathString) { 9247 final File codePath = new File(codePathString); 9248 final File codeRoot; 9249 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9250 codeRoot = Environment.getRootDirectory(); 9251 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9252 codeRoot = Environment.getOemDirectory(); 9253 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9254 codeRoot = Environment.getVendorDirectory(); 9255 } else { 9256 // Unrecognized code path; take its top real segment as the apk root: 9257 // e.g. /something/app/blah.apk => /something 9258 try { 9259 File f = codePath.getCanonicalFile(); 9260 File parent = f.getParentFile(); // non-null because codePath is a file 9261 File tmp; 9262 while ((tmp = parent.getParentFile()) != null) { 9263 f = parent; 9264 parent = tmp; 9265 } 9266 codeRoot = f; 9267 Slog.w(TAG, "Unrecognized code path " 9268 + codePath + " - using " + codeRoot); 9269 } catch (IOException e) { 9270 // Can't canonicalize the code path -- shenanigans? 9271 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9272 return Environment.getRootDirectory().getPath(); 9273 } 9274 } 9275 return codeRoot.getPath(); 9276 } 9277 9278 /** 9279 * Derive and set the location of native libraries for the given package, 9280 * which varies depending on where and how the package was installed. 9281 */ 9282 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9283 final ApplicationInfo info = pkg.applicationInfo; 9284 final String codePath = pkg.codePath; 9285 final File codeFile = new File(codePath); 9286 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9287 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9288 9289 info.nativeLibraryRootDir = null; 9290 info.nativeLibraryRootRequiresIsa = false; 9291 info.nativeLibraryDir = null; 9292 info.secondaryNativeLibraryDir = null; 9293 9294 if (isApkFile(codeFile)) { 9295 // Monolithic install 9296 if (bundledApp) { 9297 // If "/system/lib64/apkname" exists, assume that is the per-package 9298 // native library directory to use; otherwise use "/system/lib/apkname". 9299 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9300 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9301 getPrimaryInstructionSet(info)); 9302 9303 // This is a bundled system app so choose the path based on the ABI. 9304 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9305 // is just the default path. 9306 final String apkName = deriveCodePathName(codePath); 9307 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9308 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9309 apkName).getAbsolutePath(); 9310 9311 if (info.secondaryCpuAbi != null) { 9312 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9313 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9314 secondaryLibDir, apkName).getAbsolutePath(); 9315 } 9316 } else if (asecApp) { 9317 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9318 .getAbsolutePath(); 9319 } else { 9320 final String apkName = deriveCodePathName(codePath); 9321 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9322 .getAbsolutePath(); 9323 } 9324 9325 info.nativeLibraryRootRequiresIsa = false; 9326 info.nativeLibraryDir = info.nativeLibraryRootDir; 9327 } else { 9328 // Cluster install 9329 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9330 info.nativeLibraryRootRequiresIsa = true; 9331 9332 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9333 getPrimaryInstructionSet(info)).getAbsolutePath(); 9334 9335 if (info.secondaryCpuAbi != null) { 9336 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9337 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9338 } 9339 } 9340 } 9341 9342 /** 9343 * Calculate the abis and roots for a bundled app. These can uniquely 9344 * be determined from the contents of the system partition, i.e whether 9345 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9346 * of this information, and instead assume that the system was built 9347 * sensibly. 9348 */ 9349 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9350 PackageSetting pkgSetting) { 9351 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9352 9353 // If "/system/lib64/apkname" exists, assume that is the per-package 9354 // native library directory to use; otherwise use "/system/lib/apkname". 9355 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9356 setBundledAppAbi(pkg, apkRoot, apkName); 9357 // pkgSetting might be null during rescan following uninstall of updates 9358 // to a bundled app, so accommodate that possibility. The settings in 9359 // that case will be established later from the parsed package. 9360 // 9361 // If the settings aren't null, sync them up with what we've just derived. 9362 // note that apkRoot isn't stored in the package settings. 9363 if (pkgSetting != null) { 9364 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9365 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9366 } 9367 } 9368 9369 /** 9370 * Deduces the ABI of a bundled app and sets the relevant fields on the 9371 * parsed pkg object. 9372 * 9373 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9374 * under which system libraries are installed. 9375 * @param apkName the name of the installed package. 9376 */ 9377 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9378 final File codeFile = new File(pkg.codePath); 9379 9380 final boolean has64BitLibs; 9381 final boolean has32BitLibs; 9382 if (isApkFile(codeFile)) { 9383 // Monolithic install 9384 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9385 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9386 } else { 9387 // Cluster install 9388 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9389 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9390 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9391 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9392 has64BitLibs = (new File(rootDir, isa)).exists(); 9393 } else { 9394 has64BitLibs = false; 9395 } 9396 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9397 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9398 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9399 has32BitLibs = (new File(rootDir, isa)).exists(); 9400 } else { 9401 has32BitLibs = false; 9402 } 9403 } 9404 9405 if (has64BitLibs && !has32BitLibs) { 9406 // The package has 64 bit libs, but not 32 bit libs. Its primary 9407 // ABI should be 64 bit. We can safely assume here that the bundled 9408 // native libraries correspond to the most preferred ABI in the list. 9409 9410 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9411 pkg.applicationInfo.secondaryCpuAbi = null; 9412 } else if (has32BitLibs && !has64BitLibs) { 9413 // The package has 32 bit libs but not 64 bit libs. Its primary 9414 // ABI should be 32 bit. 9415 9416 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9417 pkg.applicationInfo.secondaryCpuAbi = null; 9418 } else if (has32BitLibs && has64BitLibs) { 9419 // The application has both 64 and 32 bit bundled libraries. We check 9420 // here that the app declares multiArch support, and warn if it doesn't. 9421 // 9422 // We will be lenient here and record both ABIs. The primary will be the 9423 // ABI that's higher on the list, i.e, a device that's configured to prefer 9424 // 64 bit apps will see a 64 bit primary ABI, 9425 9426 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9427 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9428 } 9429 9430 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9431 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9432 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9433 } else { 9434 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9435 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9436 } 9437 } else { 9438 pkg.applicationInfo.primaryCpuAbi = null; 9439 pkg.applicationInfo.secondaryCpuAbi = null; 9440 } 9441 } 9442 9443 private void killApplication(String pkgName, int appId, String reason) { 9444 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9445 } 9446 9447 private void killApplication(String pkgName, int appId, int userId, String reason) { 9448 // Request the ActivityManager to kill the process(only for existing packages) 9449 // so that we do not end up in a confused state while the user is still using the older 9450 // version of the application while the new one gets installed. 9451 final long token = Binder.clearCallingIdentity(); 9452 try { 9453 IActivityManager am = ActivityManagerNative.getDefault(); 9454 if (am != null) { 9455 try { 9456 am.killApplication(pkgName, appId, userId, reason); 9457 } catch (RemoteException e) { 9458 } 9459 } 9460 } finally { 9461 Binder.restoreCallingIdentity(token); 9462 } 9463 } 9464 9465 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9466 // Remove the parent package setting 9467 PackageSetting ps = (PackageSetting) pkg.mExtras; 9468 if (ps != null) { 9469 removePackageLI(ps, chatty); 9470 } 9471 // Remove the child package setting 9472 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9473 for (int i = 0; i < childCount; i++) { 9474 PackageParser.Package childPkg = pkg.childPackages.get(i); 9475 ps = (PackageSetting) childPkg.mExtras; 9476 if (ps != null) { 9477 removePackageLI(ps, chatty); 9478 } 9479 } 9480 } 9481 9482 void removePackageLI(PackageSetting ps, boolean chatty) { 9483 if (DEBUG_INSTALL) { 9484 if (chatty) 9485 Log.d(TAG, "Removing package " + ps.name); 9486 } 9487 9488 // writer 9489 synchronized (mPackages) { 9490 mPackages.remove(ps.name); 9491 final PackageParser.Package pkg = ps.pkg; 9492 if (pkg != null) { 9493 cleanPackageDataStructuresLILPw(pkg, chatty); 9494 } 9495 } 9496 } 9497 9498 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9499 if (DEBUG_INSTALL) { 9500 if (chatty) 9501 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9502 } 9503 9504 // writer 9505 synchronized (mPackages) { 9506 // Remove the parent package 9507 mPackages.remove(pkg.applicationInfo.packageName); 9508 cleanPackageDataStructuresLILPw(pkg, chatty); 9509 9510 // Remove the child packages 9511 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9512 for (int i = 0; i < childCount; i++) { 9513 PackageParser.Package childPkg = pkg.childPackages.get(i); 9514 mPackages.remove(childPkg.applicationInfo.packageName); 9515 cleanPackageDataStructuresLILPw(childPkg, chatty); 9516 } 9517 } 9518 } 9519 9520 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9521 int N = pkg.providers.size(); 9522 StringBuilder r = null; 9523 int i; 9524 for (i=0; i<N; i++) { 9525 PackageParser.Provider p = pkg.providers.get(i); 9526 mProviders.removeProvider(p); 9527 if (p.info.authority == null) { 9528 9529 /* There was another ContentProvider with this authority when 9530 * this app was installed so this authority is null, 9531 * Ignore it as we don't have to unregister the provider. 9532 */ 9533 continue; 9534 } 9535 String names[] = p.info.authority.split(";"); 9536 for (int j = 0; j < names.length; j++) { 9537 if (mProvidersByAuthority.get(names[j]) == p) { 9538 mProvidersByAuthority.remove(names[j]); 9539 if (DEBUG_REMOVE) { 9540 if (chatty) 9541 Log.d(TAG, "Unregistered content provider: " + names[j] 9542 + ", className = " + p.info.name + ", isSyncable = " 9543 + p.info.isSyncable); 9544 } 9545 } 9546 } 9547 if (DEBUG_REMOVE && chatty) { 9548 if (r == null) { 9549 r = new StringBuilder(256); 9550 } else { 9551 r.append(' '); 9552 } 9553 r.append(p.info.name); 9554 } 9555 } 9556 if (r != null) { 9557 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9558 } 9559 9560 N = pkg.services.size(); 9561 r = null; 9562 for (i=0; i<N; i++) { 9563 PackageParser.Service s = pkg.services.get(i); 9564 mServices.removeService(s); 9565 if (chatty) { 9566 if (r == null) { 9567 r = new StringBuilder(256); 9568 } else { 9569 r.append(' '); 9570 } 9571 r.append(s.info.name); 9572 } 9573 } 9574 if (r != null) { 9575 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9576 } 9577 9578 N = pkg.receivers.size(); 9579 r = null; 9580 for (i=0; i<N; i++) { 9581 PackageParser.Activity a = pkg.receivers.get(i); 9582 mReceivers.removeActivity(a, "receiver"); 9583 if (DEBUG_REMOVE && chatty) { 9584 if (r == null) { 9585 r = new StringBuilder(256); 9586 } else { 9587 r.append(' '); 9588 } 9589 r.append(a.info.name); 9590 } 9591 } 9592 if (r != null) { 9593 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9594 } 9595 9596 N = pkg.activities.size(); 9597 r = null; 9598 for (i=0; i<N; i++) { 9599 PackageParser.Activity a = pkg.activities.get(i); 9600 mActivities.removeActivity(a, "activity"); 9601 if (DEBUG_REMOVE && chatty) { 9602 if (r == null) { 9603 r = new StringBuilder(256); 9604 } else { 9605 r.append(' '); 9606 } 9607 r.append(a.info.name); 9608 } 9609 } 9610 if (r != null) { 9611 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9612 } 9613 9614 N = pkg.permissions.size(); 9615 r = null; 9616 for (i=0; i<N; i++) { 9617 PackageParser.Permission p = pkg.permissions.get(i); 9618 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9619 if (bp == null) { 9620 bp = mSettings.mPermissionTrees.get(p.info.name); 9621 } 9622 if (bp != null && bp.perm == p) { 9623 bp.perm = null; 9624 if (DEBUG_REMOVE && chatty) { 9625 if (r == null) { 9626 r = new StringBuilder(256); 9627 } else { 9628 r.append(' '); 9629 } 9630 r.append(p.info.name); 9631 } 9632 } 9633 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9634 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9635 if (appOpPkgs != null) { 9636 appOpPkgs.remove(pkg.packageName); 9637 } 9638 } 9639 } 9640 if (r != null) { 9641 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9642 } 9643 9644 N = pkg.requestedPermissions.size(); 9645 r = null; 9646 for (i=0; i<N; i++) { 9647 String perm = pkg.requestedPermissions.get(i); 9648 BasePermission bp = mSettings.mPermissions.get(perm); 9649 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9650 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9651 if (appOpPkgs != null) { 9652 appOpPkgs.remove(pkg.packageName); 9653 if (appOpPkgs.isEmpty()) { 9654 mAppOpPermissionPackages.remove(perm); 9655 } 9656 } 9657 } 9658 } 9659 if (r != null) { 9660 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9661 } 9662 9663 N = pkg.instrumentation.size(); 9664 r = null; 9665 for (i=0; i<N; i++) { 9666 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9667 mInstrumentation.remove(a.getComponentName()); 9668 if (DEBUG_REMOVE && chatty) { 9669 if (r == null) { 9670 r = new StringBuilder(256); 9671 } else { 9672 r.append(' '); 9673 } 9674 r.append(a.info.name); 9675 } 9676 } 9677 if (r != null) { 9678 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9679 } 9680 9681 r = null; 9682 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9683 // Only system apps can hold shared libraries. 9684 if (pkg.libraryNames != null) { 9685 for (i=0; i<pkg.libraryNames.size(); i++) { 9686 String name = pkg.libraryNames.get(i); 9687 SharedLibraryEntry cur = mSharedLibraries.get(name); 9688 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9689 mSharedLibraries.remove(name); 9690 if (DEBUG_REMOVE && chatty) { 9691 if (r == null) { 9692 r = new StringBuilder(256); 9693 } else { 9694 r.append(' '); 9695 } 9696 r.append(name); 9697 } 9698 } 9699 } 9700 } 9701 } 9702 if (r != null) { 9703 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9704 } 9705 } 9706 9707 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9708 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9709 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9710 return true; 9711 } 9712 } 9713 return false; 9714 } 9715 9716 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9717 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9718 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9719 9720 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9721 // Update the parent permissions 9722 updatePermissionsLPw(pkg.packageName, pkg, flags); 9723 // Update the child permissions 9724 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9725 for (int i = 0; i < childCount; i++) { 9726 PackageParser.Package childPkg = pkg.childPackages.get(i); 9727 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9728 } 9729 } 9730 9731 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9732 int flags) { 9733 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9734 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9735 } 9736 9737 private void updatePermissionsLPw(String changingPkg, 9738 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9739 // Make sure there are no dangling permission trees. 9740 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9741 while (it.hasNext()) { 9742 final BasePermission bp = it.next(); 9743 if (bp.packageSetting == null) { 9744 // We may not yet have parsed the package, so just see if 9745 // we still know about its settings. 9746 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9747 } 9748 if (bp.packageSetting == null) { 9749 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9750 + " from package " + bp.sourcePackage); 9751 it.remove(); 9752 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9753 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9754 Slog.i(TAG, "Removing old permission tree: " + bp.name 9755 + " from package " + bp.sourcePackage); 9756 flags |= UPDATE_PERMISSIONS_ALL; 9757 it.remove(); 9758 } 9759 } 9760 } 9761 9762 // Make sure all dynamic permissions have been assigned to a package, 9763 // and make sure there are no dangling permissions. 9764 it = mSettings.mPermissions.values().iterator(); 9765 while (it.hasNext()) { 9766 final BasePermission bp = it.next(); 9767 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9768 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9769 + bp.name + " pkg=" + bp.sourcePackage 9770 + " info=" + bp.pendingInfo); 9771 if (bp.packageSetting == null && bp.pendingInfo != null) { 9772 final BasePermission tree = findPermissionTreeLP(bp.name); 9773 if (tree != null && tree.perm != null) { 9774 bp.packageSetting = tree.packageSetting; 9775 bp.perm = new PackageParser.Permission(tree.perm.owner, 9776 new PermissionInfo(bp.pendingInfo)); 9777 bp.perm.info.packageName = tree.perm.info.packageName; 9778 bp.perm.info.name = bp.name; 9779 bp.uid = tree.uid; 9780 } 9781 } 9782 } 9783 if (bp.packageSetting == null) { 9784 // We may not yet have parsed the package, so just see if 9785 // we still know about its settings. 9786 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9787 } 9788 if (bp.packageSetting == null) { 9789 Slog.w(TAG, "Removing dangling permission: " + bp.name 9790 + " from package " + bp.sourcePackage); 9791 it.remove(); 9792 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9793 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9794 Slog.i(TAG, "Removing old permission: " + bp.name 9795 + " from package " + bp.sourcePackage); 9796 flags |= UPDATE_PERMISSIONS_ALL; 9797 it.remove(); 9798 } 9799 } 9800 } 9801 9802 // Now update the permissions for all packages, in particular 9803 // replace the granted permissions of the system packages. 9804 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9805 for (PackageParser.Package pkg : mPackages.values()) { 9806 if (pkg != pkgInfo) { 9807 // Only replace for packages on requested volume 9808 final String volumeUuid = getVolumeUuidForPackage(pkg); 9809 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9810 && Objects.equals(replaceVolumeUuid, volumeUuid); 9811 grantPermissionsLPw(pkg, replace, changingPkg); 9812 } 9813 } 9814 } 9815 9816 if (pkgInfo != null) { 9817 // Only replace for packages on requested volume 9818 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9819 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9820 && Objects.equals(replaceVolumeUuid, volumeUuid); 9821 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9822 } 9823 } 9824 9825 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9826 String packageOfInterest) { 9827 // IMPORTANT: There are two types of permissions: install and runtime. 9828 // Install time permissions are granted when the app is installed to 9829 // all device users and users added in the future. Runtime permissions 9830 // are granted at runtime explicitly to specific users. Normal and signature 9831 // protected permissions are install time permissions. Dangerous permissions 9832 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9833 // otherwise they are runtime permissions. This function does not manage 9834 // runtime permissions except for the case an app targeting Lollipop MR1 9835 // being upgraded to target a newer SDK, in which case dangerous permissions 9836 // are transformed from install time to runtime ones. 9837 9838 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9839 if (ps == null) { 9840 return; 9841 } 9842 9843 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9844 9845 PermissionsState permissionsState = ps.getPermissionsState(); 9846 PermissionsState origPermissions = permissionsState; 9847 9848 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9849 9850 boolean runtimePermissionsRevoked = false; 9851 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9852 9853 boolean changedInstallPermission = false; 9854 9855 if (replace) { 9856 ps.installPermissionsFixed = false; 9857 if (!ps.isSharedUser()) { 9858 origPermissions = new PermissionsState(permissionsState); 9859 permissionsState.reset(); 9860 } else { 9861 // We need to know only about runtime permission changes since the 9862 // calling code always writes the install permissions state but 9863 // the runtime ones are written only if changed. The only cases of 9864 // changed runtime permissions here are promotion of an install to 9865 // runtime and revocation of a runtime from a shared user. 9866 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9867 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9868 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9869 runtimePermissionsRevoked = true; 9870 } 9871 } 9872 } 9873 9874 permissionsState.setGlobalGids(mGlobalGids); 9875 9876 final int N = pkg.requestedPermissions.size(); 9877 for (int i=0; i<N; i++) { 9878 final String name = pkg.requestedPermissions.get(i); 9879 final BasePermission bp = mSettings.mPermissions.get(name); 9880 9881 if (DEBUG_INSTALL) { 9882 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9883 } 9884 9885 if (bp == null || bp.packageSetting == null) { 9886 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9887 Slog.w(TAG, "Unknown permission " + name 9888 + " in package " + pkg.packageName); 9889 } 9890 continue; 9891 } 9892 9893 final String perm = bp.name; 9894 boolean allowedSig = false; 9895 int grant = GRANT_DENIED; 9896 9897 // Keep track of app op permissions. 9898 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9899 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9900 if (pkgs == null) { 9901 pkgs = new ArraySet<>(); 9902 mAppOpPermissionPackages.put(bp.name, pkgs); 9903 } 9904 pkgs.add(pkg.packageName); 9905 } 9906 9907 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9908 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9909 >= Build.VERSION_CODES.M; 9910 switch (level) { 9911 case PermissionInfo.PROTECTION_NORMAL: { 9912 // For all apps normal permissions are install time ones. 9913 grant = GRANT_INSTALL; 9914 } break; 9915 9916 case PermissionInfo.PROTECTION_DANGEROUS: { 9917 // If a permission review is required for legacy apps we represent 9918 // their permissions as always granted runtime ones since we need 9919 // to keep the review required permission flag per user while an 9920 // install permission's state is shared across all users. 9921 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9922 // For legacy apps dangerous permissions are install time ones. 9923 grant = GRANT_INSTALL; 9924 } else if (origPermissions.hasInstallPermission(bp.name)) { 9925 // For legacy apps that became modern, install becomes runtime. 9926 grant = GRANT_UPGRADE; 9927 } else if (mPromoteSystemApps 9928 && isSystemApp(ps) 9929 && mExistingSystemPackages.contains(ps.name)) { 9930 // For legacy system apps, install becomes runtime. 9931 // We cannot check hasInstallPermission() for system apps since those 9932 // permissions were granted implicitly and not persisted pre-M. 9933 grant = GRANT_UPGRADE; 9934 } else { 9935 // For modern apps keep runtime permissions unchanged. 9936 grant = GRANT_RUNTIME; 9937 } 9938 } break; 9939 9940 case PermissionInfo.PROTECTION_SIGNATURE: { 9941 // For all apps signature permissions are install time ones. 9942 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9943 if (allowedSig) { 9944 grant = GRANT_INSTALL; 9945 } 9946 } break; 9947 } 9948 9949 if (DEBUG_INSTALL) { 9950 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9951 } 9952 9953 if (grant != GRANT_DENIED) { 9954 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9955 // If this is an existing, non-system package, then 9956 // we can't add any new permissions to it. 9957 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9958 // Except... if this is a permission that was added 9959 // to the platform (note: need to only do this when 9960 // updating the platform). 9961 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9962 grant = GRANT_DENIED; 9963 } 9964 } 9965 } 9966 9967 switch (grant) { 9968 case GRANT_INSTALL: { 9969 // Revoke this as runtime permission to handle the case of 9970 // a runtime permission being downgraded to an install one. 9971 // Also in permission review mode we keep dangerous permissions 9972 // for legacy apps 9973 for (int userId : UserManagerService.getInstance().getUserIds()) { 9974 if (origPermissions.getRuntimePermissionState( 9975 bp.name, userId) != null) { 9976 // Revoke the runtime permission and clear the flags. 9977 origPermissions.revokeRuntimePermission(bp, userId); 9978 origPermissions.updatePermissionFlags(bp, userId, 9979 PackageManager.MASK_PERMISSION_FLAGS, 0); 9980 // If we revoked a permission permission, we have to write. 9981 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9982 changedRuntimePermissionUserIds, userId); 9983 } 9984 } 9985 // Grant an install permission. 9986 if (permissionsState.grantInstallPermission(bp) != 9987 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9988 changedInstallPermission = true; 9989 } 9990 } break; 9991 9992 case GRANT_RUNTIME: { 9993 // Grant previously granted runtime permissions. 9994 for (int userId : UserManagerService.getInstance().getUserIds()) { 9995 PermissionState permissionState = origPermissions 9996 .getRuntimePermissionState(bp.name, userId); 9997 int flags = permissionState != null 9998 ? permissionState.getFlags() : 0; 9999 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10000 if (permissionsState.grantRuntimePermission(bp, userId) == 10001 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10002 // If we cannot put the permission as it was, we have to write. 10003 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10004 changedRuntimePermissionUserIds, userId); 10005 } 10006 // If the app supports runtime permissions no need for a review. 10007 if (Build.PERMISSIONS_REVIEW_REQUIRED 10008 && appSupportsRuntimePermissions 10009 && (flags & PackageManager 10010 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10011 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10012 // Since we changed the flags, we have to write. 10013 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10014 changedRuntimePermissionUserIds, userId); 10015 } 10016 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10017 && !appSupportsRuntimePermissions) { 10018 // For legacy apps that need a permission review, every new 10019 // runtime permission is granted but it is pending a review. 10020 // We also need to review only platform defined runtime 10021 // permissions as these are the only ones the platform knows 10022 // how to disable the API to simulate revocation as legacy 10023 // apps don't expect to run with revoked permissions. 10024 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10025 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10026 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10027 // We changed the flags, hence have to write. 10028 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10029 changedRuntimePermissionUserIds, userId); 10030 } 10031 } 10032 if (permissionsState.grantRuntimePermission(bp, userId) 10033 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10034 // We changed the permission, hence have to write. 10035 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10036 changedRuntimePermissionUserIds, userId); 10037 } 10038 } 10039 // Propagate the permission flags. 10040 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10041 } 10042 } break; 10043 10044 case GRANT_UPGRADE: { 10045 // Grant runtime permissions for a previously held install permission. 10046 PermissionState permissionState = origPermissions 10047 .getInstallPermissionState(bp.name); 10048 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10049 10050 if (origPermissions.revokeInstallPermission(bp) 10051 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10052 // We will be transferring the permission flags, so clear them. 10053 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10054 PackageManager.MASK_PERMISSION_FLAGS, 0); 10055 changedInstallPermission = true; 10056 } 10057 10058 // If the permission is not to be promoted to runtime we ignore it and 10059 // also its other flags as they are not applicable to install permissions. 10060 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10061 for (int userId : currentUserIds) { 10062 if (permissionsState.grantRuntimePermission(bp, userId) != 10063 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10064 // Transfer the permission flags. 10065 permissionsState.updatePermissionFlags(bp, userId, 10066 flags, flags); 10067 // If we granted the permission, we have to write. 10068 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10069 changedRuntimePermissionUserIds, userId); 10070 } 10071 } 10072 } 10073 } break; 10074 10075 default: { 10076 if (packageOfInterest == null 10077 || packageOfInterest.equals(pkg.packageName)) { 10078 Slog.w(TAG, "Not granting permission " + perm 10079 + " to package " + pkg.packageName 10080 + " because it was previously installed without"); 10081 } 10082 } break; 10083 } 10084 } else { 10085 if (permissionsState.revokeInstallPermission(bp) != 10086 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10087 // Also drop the permission flags. 10088 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10089 PackageManager.MASK_PERMISSION_FLAGS, 0); 10090 changedInstallPermission = true; 10091 Slog.i(TAG, "Un-granting permission " + perm 10092 + " from package " + pkg.packageName 10093 + " (protectionLevel=" + bp.protectionLevel 10094 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10095 + ")"); 10096 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10097 // Don't print warning for app op permissions, since it is fine for them 10098 // not to be granted, there is a UI for the user to decide. 10099 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10100 Slog.w(TAG, "Not granting permission " + perm 10101 + " to package " + pkg.packageName 10102 + " (protectionLevel=" + bp.protectionLevel 10103 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10104 + ")"); 10105 } 10106 } 10107 } 10108 } 10109 10110 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10111 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10112 // This is the first that we have heard about this package, so the 10113 // permissions we have now selected are fixed until explicitly 10114 // changed. 10115 ps.installPermissionsFixed = true; 10116 } 10117 10118 // Persist the runtime permissions state for users with changes. If permissions 10119 // were revoked because no app in the shared user declares them we have to 10120 // write synchronously to avoid losing runtime permissions state. 10121 for (int userId : changedRuntimePermissionUserIds) { 10122 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10123 } 10124 10125 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10126 } 10127 10128 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10129 boolean allowed = false; 10130 final int NP = PackageParser.NEW_PERMISSIONS.length; 10131 for (int ip=0; ip<NP; ip++) { 10132 final PackageParser.NewPermissionInfo npi 10133 = PackageParser.NEW_PERMISSIONS[ip]; 10134 if (npi.name.equals(perm) 10135 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10136 allowed = true; 10137 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10138 + pkg.packageName); 10139 break; 10140 } 10141 } 10142 return allowed; 10143 } 10144 10145 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10146 BasePermission bp, PermissionsState origPermissions) { 10147 boolean allowed; 10148 allowed = (compareSignatures( 10149 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10150 == PackageManager.SIGNATURE_MATCH) 10151 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10152 == PackageManager.SIGNATURE_MATCH); 10153 if (!allowed && (bp.protectionLevel 10154 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10155 if (isSystemApp(pkg)) { 10156 // For updated system applications, a system permission 10157 // is granted only if it had been defined by the original application. 10158 if (pkg.isUpdatedSystemApp()) { 10159 final PackageSetting sysPs = mSettings 10160 .getDisabledSystemPkgLPr(pkg.packageName); 10161 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10162 // If the original was granted this permission, we take 10163 // that grant decision as read and propagate it to the 10164 // update. 10165 if (sysPs.isPrivileged()) { 10166 allowed = true; 10167 } 10168 } else { 10169 // The system apk may have been updated with an older 10170 // version of the one on the data partition, but which 10171 // granted a new system permission that it didn't have 10172 // before. In this case we do want to allow the app to 10173 // now get the new permission if the ancestral apk is 10174 // privileged to get it. 10175 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10176 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10177 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10178 allowed = true; 10179 break; 10180 } 10181 } 10182 } 10183 // Also if a privileged parent package on the system image or any of 10184 // its children requested a privileged permission, the updated child 10185 // packages can also get the permission. 10186 if (pkg.parentPackage != null) { 10187 final PackageSetting disabledSysParentPs = mSettings 10188 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10189 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10190 && disabledSysParentPs.isPrivileged()) { 10191 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10192 allowed = true; 10193 } else if (disabledSysParentPs.pkg.childPackages != null) { 10194 final int count = disabledSysParentPs.pkg.childPackages.size(); 10195 for (int i = 0; i < count; i++) { 10196 PackageParser.Package disabledSysChildPkg = 10197 disabledSysParentPs.pkg.childPackages.get(i); 10198 if (isPackageRequestingPermission(disabledSysChildPkg, 10199 perm)) { 10200 allowed = true; 10201 break; 10202 } 10203 } 10204 } 10205 } 10206 } 10207 } 10208 } else { 10209 allowed = isPrivilegedApp(pkg); 10210 } 10211 } 10212 } 10213 if (!allowed) { 10214 if (!allowed && (bp.protectionLevel 10215 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10216 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10217 // If this was a previously normal/dangerous permission that got moved 10218 // to a system permission as part of the runtime permission redesign, then 10219 // we still want to blindly grant it to old apps. 10220 allowed = true; 10221 } 10222 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10223 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10224 // If this permission is to be granted to the system installer and 10225 // this app is an installer, then it gets the permission. 10226 allowed = true; 10227 } 10228 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10229 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10230 // If this permission is to be granted to the system verifier and 10231 // this app is a verifier, then it gets the permission. 10232 allowed = true; 10233 } 10234 if (!allowed && (bp.protectionLevel 10235 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10236 && isSystemApp(pkg)) { 10237 // Any pre-installed system app is allowed to get this permission. 10238 allowed = true; 10239 } 10240 if (!allowed && (bp.protectionLevel 10241 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10242 // For development permissions, a development permission 10243 // is granted only if it was already granted. 10244 allowed = origPermissions.hasInstallPermission(perm); 10245 } 10246 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10247 && pkg.packageName.equals(mSetupWizardPackage)) { 10248 // If this permission is to be granted to the system setup wizard and 10249 // this app is a setup wizard, then it gets the permission. 10250 allowed = true; 10251 } 10252 } 10253 return allowed; 10254 } 10255 10256 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10257 final int permCount = pkg.requestedPermissions.size(); 10258 for (int j = 0; j < permCount; j++) { 10259 String requestedPermission = pkg.requestedPermissions.get(j); 10260 if (permission.equals(requestedPermission)) { 10261 return true; 10262 } 10263 } 10264 return false; 10265 } 10266 10267 final class ActivityIntentResolver 10268 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10269 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10270 boolean defaultOnly, int userId) { 10271 if (!sUserManager.exists(userId)) return null; 10272 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10273 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10274 } 10275 10276 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10277 int userId) { 10278 if (!sUserManager.exists(userId)) return null; 10279 mFlags = flags; 10280 return super.queryIntent(intent, resolvedType, 10281 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10282 } 10283 10284 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10285 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10286 if (!sUserManager.exists(userId)) return null; 10287 if (packageActivities == null) { 10288 return null; 10289 } 10290 mFlags = flags; 10291 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10292 final int N = packageActivities.size(); 10293 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10294 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10295 10296 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10297 for (int i = 0; i < N; ++i) { 10298 intentFilters = packageActivities.get(i).intents; 10299 if (intentFilters != null && intentFilters.size() > 0) { 10300 PackageParser.ActivityIntentInfo[] array = 10301 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10302 intentFilters.toArray(array); 10303 listCut.add(array); 10304 } 10305 } 10306 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10307 } 10308 10309 /** 10310 * Finds a privileged activity that matches the specified activity names. 10311 */ 10312 private PackageParser.Activity findMatchingActivity( 10313 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10314 for (PackageParser.Activity sysActivity : activityList) { 10315 if (sysActivity.info.name.equals(activityInfo.name)) { 10316 return sysActivity; 10317 } 10318 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10319 return sysActivity; 10320 } 10321 if (sysActivity.info.targetActivity != null) { 10322 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10323 return sysActivity; 10324 } 10325 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10326 return sysActivity; 10327 } 10328 } 10329 } 10330 return null; 10331 } 10332 10333 public class IterGenerator<E> { 10334 public Iterator<E> generate(ActivityIntentInfo info) { 10335 return null; 10336 } 10337 } 10338 10339 public class ActionIterGenerator extends IterGenerator<String> { 10340 @Override 10341 public Iterator<String> generate(ActivityIntentInfo info) { 10342 return info.actionsIterator(); 10343 } 10344 } 10345 10346 public class CategoriesIterGenerator extends IterGenerator<String> { 10347 @Override 10348 public Iterator<String> generate(ActivityIntentInfo info) { 10349 return info.categoriesIterator(); 10350 } 10351 } 10352 10353 public class SchemesIterGenerator extends IterGenerator<String> { 10354 @Override 10355 public Iterator<String> generate(ActivityIntentInfo info) { 10356 return info.schemesIterator(); 10357 } 10358 } 10359 10360 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10361 @Override 10362 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10363 return info.authoritiesIterator(); 10364 } 10365 } 10366 10367 /** 10368 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10369 * MODIFIED. Do not pass in a list that should not be changed. 10370 */ 10371 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10372 IterGenerator<T> generator, Iterator<T> searchIterator) { 10373 // loop through the set of actions; every one must be found in the intent filter 10374 while (searchIterator.hasNext()) { 10375 // we must have at least one filter in the list to consider a match 10376 if (intentList.size() == 0) { 10377 break; 10378 } 10379 10380 final T searchAction = searchIterator.next(); 10381 10382 // loop through the set of intent filters 10383 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10384 while (intentIter.hasNext()) { 10385 final ActivityIntentInfo intentInfo = intentIter.next(); 10386 boolean selectionFound = false; 10387 10388 // loop through the intent filter's selection criteria; at least one 10389 // of them must match the searched criteria 10390 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10391 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10392 final T intentSelection = intentSelectionIter.next(); 10393 if (intentSelection != null && intentSelection.equals(searchAction)) { 10394 selectionFound = true; 10395 break; 10396 } 10397 } 10398 10399 // the selection criteria wasn't found in this filter's set; this filter 10400 // is not a potential match 10401 if (!selectionFound) { 10402 intentIter.remove(); 10403 } 10404 } 10405 } 10406 } 10407 10408 private boolean isProtectedAction(ActivityIntentInfo filter) { 10409 final Iterator<String> actionsIter = filter.actionsIterator(); 10410 while (actionsIter != null && actionsIter.hasNext()) { 10411 final String filterAction = actionsIter.next(); 10412 if (PROTECTED_ACTIONS.contains(filterAction)) { 10413 return true; 10414 } 10415 } 10416 return false; 10417 } 10418 10419 /** 10420 * Adjusts the priority of the given intent filter according to policy. 10421 * <p> 10422 * <ul> 10423 * <li>The priority for non privileged applications is capped to '0'</li> 10424 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10425 * <li>The priority for unbundled updates to privileged applications is capped to the 10426 * priority defined on the system partition</li> 10427 * </ul> 10428 * <p> 10429 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10430 * allowed to obtain any priority on any action. 10431 */ 10432 private void adjustPriority( 10433 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10434 // nothing to do; priority is fine as-is 10435 if (intent.getPriority() <= 0) { 10436 return; 10437 } 10438 10439 final ActivityInfo activityInfo = intent.activity.info; 10440 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10441 10442 final boolean privilegedApp = 10443 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10444 if (!privilegedApp) { 10445 // non-privileged applications can never define a priority >0 10446 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10447 + " package: " + applicationInfo.packageName 10448 + " activity: " + intent.activity.className 10449 + " origPrio: " + intent.getPriority()); 10450 intent.setPriority(0); 10451 return; 10452 } 10453 10454 if (systemActivities == null) { 10455 // the system package is not disabled; we're parsing the system partition 10456 if (isProtectedAction(intent)) { 10457 if (mDeferProtectedFilters) { 10458 // We can't deal with these just yet. No component should ever obtain a 10459 // >0 priority for a protected actions, with ONE exception -- the setup 10460 // wizard. The setup wizard, however, cannot be known until we're able to 10461 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10462 // until all intent filters have been processed. Chicken, meet egg. 10463 // Let the filter temporarily have a high priority and rectify the 10464 // priorities after all system packages have been scanned. 10465 mProtectedFilters.add(intent); 10466 if (DEBUG_FILTERS) { 10467 Slog.i(TAG, "Protected action; save for later;" 10468 + " package: " + applicationInfo.packageName 10469 + " activity: " + intent.activity.className 10470 + " origPrio: " + intent.getPriority()); 10471 } 10472 return; 10473 } else { 10474 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10475 Slog.i(TAG, "No setup wizard;" 10476 + " All protected intents capped to priority 0"); 10477 } 10478 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10479 if (DEBUG_FILTERS) { 10480 Slog.i(TAG, "Found setup wizard;" 10481 + " allow priority " + intent.getPriority() + ";" 10482 + " package: " + intent.activity.info.packageName 10483 + " activity: " + intent.activity.className 10484 + " priority: " + intent.getPriority()); 10485 } 10486 // setup wizard gets whatever it wants 10487 return; 10488 } 10489 Slog.w(TAG, "Protected action; cap priority to 0;" 10490 + " package: " + intent.activity.info.packageName 10491 + " activity: " + intent.activity.className 10492 + " origPrio: " + intent.getPriority()); 10493 intent.setPriority(0); 10494 return; 10495 } 10496 } 10497 // privileged apps on the system image get whatever priority they request 10498 return; 10499 } 10500 10501 // privileged app unbundled update ... try to find the same activity 10502 final PackageParser.Activity foundActivity = 10503 findMatchingActivity(systemActivities, activityInfo); 10504 if (foundActivity == null) { 10505 // this is a new activity; it cannot obtain >0 priority 10506 if (DEBUG_FILTERS) { 10507 Slog.i(TAG, "New activity; cap priority to 0;" 10508 + " package: " + applicationInfo.packageName 10509 + " activity: " + intent.activity.className 10510 + " origPrio: " + intent.getPriority()); 10511 } 10512 intent.setPriority(0); 10513 return; 10514 } 10515 10516 // found activity, now check for filter equivalence 10517 10518 // a shallow copy is enough; we modify the list, not its contents 10519 final List<ActivityIntentInfo> intentListCopy = 10520 new ArrayList<>(foundActivity.intents); 10521 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10522 10523 // find matching action subsets 10524 final Iterator<String> actionsIterator = intent.actionsIterator(); 10525 if (actionsIterator != null) { 10526 getIntentListSubset( 10527 intentListCopy, new ActionIterGenerator(), actionsIterator); 10528 if (intentListCopy.size() == 0) { 10529 // no more intents to match; we're not equivalent 10530 if (DEBUG_FILTERS) { 10531 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10532 + " package: " + applicationInfo.packageName 10533 + " activity: " + intent.activity.className 10534 + " origPrio: " + intent.getPriority()); 10535 } 10536 intent.setPriority(0); 10537 return; 10538 } 10539 } 10540 10541 // find matching category subsets 10542 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10543 if (categoriesIterator != null) { 10544 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10545 categoriesIterator); 10546 if (intentListCopy.size() == 0) { 10547 // no more intents to match; we're not equivalent 10548 if (DEBUG_FILTERS) { 10549 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10550 + " package: " + applicationInfo.packageName 10551 + " activity: " + intent.activity.className 10552 + " origPrio: " + intent.getPriority()); 10553 } 10554 intent.setPriority(0); 10555 return; 10556 } 10557 } 10558 10559 // find matching schemes subsets 10560 final Iterator<String> schemesIterator = intent.schemesIterator(); 10561 if (schemesIterator != null) { 10562 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10563 schemesIterator); 10564 if (intentListCopy.size() == 0) { 10565 // no more intents to match; we're not equivalent 10566 if (DEBUG_FILTERS) { 10567 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10568 + " package: " + applicationInfo.packageName 10569 + " activity: " + intent.activity.className 10570 + " origPrio: " + intent.getPriority()); 10571 } 10572 intent.setPriority(0); 10573 return; 10574 } 10575 } 10576 10577 // find matching authorities subsets 10578 final Iterator<IntentFilter.AuthorityEntry> 10579 authoritiesIterator = intent.authoritiesIterator(); 10580 if (authoritiesIterator != null) { 10581 getIntentListSubset(intentListCopy, 10582 new AuthoritiesIterGenerator(), 10583 authoritiesIterator); 10584 if (intentListCopy.size() == 0) { 10585 // no more intents to match; we're not equivalent 10586 if (DEBUG_FILTERS) { 10587 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10588 + " package: " + applicationInfo.packageName 10589 + " activity: " + intent.activity.className 10590 + " origPrio: " + intent.getPriority()); 10591 } 10592 intent.setPriority(0); 10593 return; 10594 } 10595 } 10596 10597 // we found matching filter(s); app gets the max priority of all intents 10598 int cappedPriority = 0; 10599 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10600 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10601 } 10602 if (intent.getPriority() > cappedPriority) { 10603 if (DEBUG_FILTERS) { 10604 Slog.i(TAG, "Found matching filter(s);" 10605 + " cap priority to " + cappedPriority + ";" 10606 + " package: " + applicationInfo.packageName 10607 + " activity: " + intent.activity.className 10608 + " origPrio: " + intent.getPriority()); 10609 } 10610 intent.setPriority(cappedPriority); 10611 return; 10612 } 10613 // all this for nothing; the requested priority was <= what was on the system 10614 } 10615 10616 public final void addActivity(PackageParser.Activity a, String type) { 10617 mActivities.put(a.getComponentName(), a); 10618 if (DEBUG_SHOW_INFO) 10619 Log.v( 10620 TAG, " " + type + " " + 10621 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10622 if (DEBUG_SHOW_INFO) 10623 Log.v(TAG, " Class=" + a.info.name); 10624 final int NI = a.intents.size(); 10625 for (int j=0; j<NI; j++) { 10626 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10627 if ("activity".equals(type)) { 10628 final PackageSetting ps = 10629 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10630 final List<PackageParser.Activity> systemActivities = 10631 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10632 adjustPriority(systemActivities, intent); 10633 } 10634 if (DEBUG_SHOW_INFO) { 10635 Log.v(TAG, " IntentFilter:"); 10636 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10637 } 10638 if (!intent.debugCheck()) { 10639 Log.w(TAG, "==> For Activity " + a.info.name); 10640 } 10641 addFilter(intent); 10642 } 10643 } 10644 10645 public final void removeActivity(PackageParser.Activity a, String type) { 10646 mActivities.remove(a.getComponentName()); 10647 if (DEBUG_SHOW_INFO) { 10648 Log.v(TAG, " " + type + " " 10649 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10650 : a.info.name) + ":"); 10651 Log.v(TAG, " Class=" + a.info.name); 10652 } 10653 final int NI = a.intents.size(); 10654 for (int j=0; j<NI; j++) { 10655 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10656 if (DEBUG_SHOW_INFO) { 10657 Log.v(TAG, " IntentFilter:"); 10658 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10659 } 10660 removeFilter(intent); 10661 } 10662 } 10663 10664 @Override 10665 protected boolean allowFilterResult( 10666 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10667 ActivityInfo filterAi = filter.activity.info; 10668 for (int i=dest.size()-1; i>=0; i--) { 10669 ActivityInfo destAi = dest.get(i).activityInfo; 10670 if (destAi.name == filterAi.name 10671 && destAi.packageName == filterAi.packageName) { 10672 return false; 10673 } 10674 } 10675 return true; 10676 } 10677 10678 @Override 10679 protected ActivityIntentInfo[] newArray(int size) { 10680 return new ActivityIntentInfo[size]; 10681 } 10682 10683 @Override 10684 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10685 if (!sUserManager.exists(userId)) return true; 10686 PackageParser.Package p = filter.activity.owner; 10687 if (p != null) { 10688 PackageSetting ps = (PackageSetting)p.mExtras; 10689 if (ps != null) { 10690 // System apps are never considered stopped for purposes of 10691 // filtering, because there may be no way for the user to 10692 // actually re-launch them. 10693 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10694 && ps.getStopped(userId); 10695 } 10696 } 10697 return false; 10698 } 10699 10700 @Override 10701 protected boolean isPackageForFilter(String packageName, 10702 PackageParser.ActivityIntentInfo info) { 10703 return packageName.equals(info.activity.owner.packageName); 10704 } 10705 10706 @Override 10707 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10708 int match, int userId) { 10709 if (!sUserManager.exists(userId)) return null; 10710 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10711 return null; 10712 } 10713 final PackageParser.Activity activity = info.activity; 10714 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10715 if (ps == null) { 10716 return null; 10717 } 10718 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10719 ps.readUserState(userId), userId); 10720 if (ai == null) { 10721 return null; 10722 } 10723 final ResolveInfo res = new ResolveInfo(); 10724 res.activityInfo = ai; 10725 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10726 res.filter = info; 10727 } 10728 if (info != null) { 10729 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10730 } 10731 res.priority = info.getPriority(); 10732 res.preferredOrder = activity.owner.mPreferredOrder; 10733 //System.out.println("Result: " + res.activityInfo.className + 10734 // " = " + res.priority); 10735 res.match = match; 10736 res.isDefault = info.hasDefault; 10737 res.labelRes = info.labelRes; 10738 res.nonLocalizedLabel = info.nonLocalizedLabel; 10739 if (userNeedsBadging(userId)) { 10740 res.noResourceId = true; 10741 } else { 10742 res.icon = info.icon; 10743 } 10744 res.iconResourceId = info.icon; 10745 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10746 return res; 10747 } 10748 10749 @Override 10750 protected void sortResults(List<ResolveInfo> results) { 10751 Collections.sort(results, mResolvePrioritySorter); 10752 } 10753 10754 @Override 10755 protected void dumpFilter(PrintWriter out, String prefix, 10756 PackageParser.ActivityIntentInfo filter) { 10757 out.print(prefix); out.print( 10758 Integer.toHexString(System.identityHashCode(filter.activity))); 10759 out.print(' '); 10760 filter.activity.printComponentShortName(out); 10761 out.print(" filter "); 10762 out.println(Integer.toHexString(System.identityHashCode(filter))); 10763 } 10764 10765 @Override 10766 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10767 return filter.activity; 10768 } 10769 10770 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10771 PackageParser.Activity activity = (PackageParser.Activity)label; 10772 out.print(prefix); out.print( 10773 Integer.toHexString(System.identityHashCode(activity))); 10774 out.print(' '); 10775 activity.printComponentShortName(out); 10776 if (count > 1) { 10777 out.print(" ("); out.print(count); out.print(" filters)"); 10778 } 10779 out.println(); 10780 } 10781 10782 // Keys are String (activity class name), values are Activity. 10783 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10784 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10785 private int mFlags; 10786 } 10787 10788 private final class ServiceIntentResolver 10789 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10790 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10791 boolean defaultOnly, int userId) { 10792 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10793 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10794 } 10795 10796 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10797 int userId) { 10798 if (!sUserManager.exists(userId)) return null; 10799 mFlags = flags; 10800 return super.queryIntent(intent, resolvedType, 10801 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10802 } 10803 10804 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10805 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10806 if (!sUserManager.exists(userId)) return null; 10807 if (packageServices == null) { 10808 return null; 10809 } 10810 mFlags = flags; 10811 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10812 final int N = packageServices.size(); 10813 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10814 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10815 10816 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10817 for (int i = 0; i < N; ++i) { 10818 intentFilters = packageServices.get(i).intents; 10819 if (intentFilters != null && intentFilters.size() > 0) { 10820 PackageParser.ServiceIntentInfo[] array = 10821 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10822 intentFilters.toArray(array); 10823 listCut.add(array); 10824 } 10825 } 10826 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10827 } 10828 10829 public final void addService(PackageParser.Service s) { 10830 mServices.put(s.getComponentName(), s); 10831 if (DEBUG_SHOW_INFO) { 10832 Log.v(TAG, " " 10833 + (s.info.nonLocalizedLabel != null 10834 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10835 Log.v(TAG, " Class=" + s.info.name); 10836 } 10837 final int NI = s.intents.size(); 10838 int j; 10839 for (j=0; j<NI; j++) { 10840 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10841 if (DEBUG_SHOW_INFO) { 10842 Log.v(TAG, " IntentFilter:"); 10843 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10844 } 10845 if (!intent.debugCheck()) { 10846 Log.w(TAG, "==> For Service " + s.info.name); 10847 } 10848 addFilter(intent); 10849 } 10850 } 10851 10852 public final void removeService(PackageParser.Service s) { 10853 mServices.remove(s.getComponentName()); 10854 if (DEBUG_SHOW_INFO) { 10855 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10856 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10857 Log.v(TAG, " Class=" + s.info.name); 10858 } 10859 final int NI = s.intents.size(); 10860 int j; 10861 for (j=0; j<NI; j++) { 10862 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10863 if (DEBUG_SHOW_INFO) { 10864 Log.v(TAG, " IntentFilter:"); 10865 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10866 } 10867 removeFilter(intent); 10868 } 10869 } 10870 10871 @Override 10872 protected boolean allowFilterResult( 10873 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10874 ServiceInfo filterSi = filter.service.info; 10875 for (int i=dest.size()-1; i>=0; i--) { 10876 ServiceInfo destAi = dest.get(i).serviceInfo; 10877 if (destAi.name == filterSi.name 10878 && destAi.packageName == filterSi.packageName) { 10879 return false; 10880 } 10881 } 10882 return true; 10883 } 10884 10885 @Override 10886 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10887 return new PackageParser.ServiceIntentInfo[size]; 10888 } 10889 10890 @Override 10891 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10892 if (!sUserManager.exists(userId)) return true; 10893 PackageParser.Package p = filter.service.owner; 10894 if (p != null) { 10895 PackageSetting ps = (PackageSetting)p.mExtras; 10896 if (ps != null) { 10897 // System apps are never considered stopped for purposes of 10898 // filtering, because there may be no way for the user to 10899 // actually re-launch them. 10900 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10901 && ps.getStopped(userId); 10902 } 10903 } 10904 return false; 10905 } 10906 10907 @Override 10908 protected boolean isPackageForFilter(String packageName, 10909 PackageParser.ServiceIntentInfo info) { 10910 return packageName.equals(info.service.owner.packageName); 10911 } 10912 10913 @Override 10914 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10915 int match, int userId) { 10916 if (!sUserManager.exists(userId)) return null; 10917 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10918 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10919 return null; 10920 } 10921 final PackageParser.Service service = info.service; 10922 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10923 if (ps == null) { 10924 return null; 10925 } 10926 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10927 ps.readUserState(userId), userId); 10928 if (si == null) { 10929 return null; 10930 } 10931 final ResolveInfo res = new ResolveInfo(); 10932 res.serviceInfo = si; 10933 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10934 res.filter = filter; 10935 } 10936 res.priority = info.getPriority(); 10937 res.preferredOrder = service.owner.mPreferredOrder; 10938 res.match = match; 10939 res.isDefault = info.hasDefault; 10940 res.labelRes = info.labelRes; 10941 res.nonLocalizedLabel = info.nonLocalizedLabel; 10942 res.icon = info.icon; 10943 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10944 return res; 10945 } 10946 10947 @Override 10948 protected void sortResults(List<ResolveInfo> results) { 10949 Collections.sort(results, mResolvePrioritySorter); 10950 } 10951 10952 @Override 10953 protected void dumpFilter(PrintWriter out, String prefix, 10954 PackageParser.ServiceIntentInfo filter) { 10955 out.print(prefix); out.print( 10956 Integer.toHexString(System.identityHashCode(filter.service))); 10957 out.print(' '); 10958 filter.service.printComponentShortName(out); 10959 out.print(" filter "); 10960 out.println(Integer.toHexString(System.identityHashCode(filter))); 10961 } 10962 10963 @Override 10964 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10965 return filter.service; 10966 } 10967 10968 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10969 PackageParser.Service service = (PackageParser.Service)label; 10970 out.print(prefix); out.print( 10971 Integer.toHexString(System.identityHashCode(service))); 10972 out.print(' '); 10973 service.printComponentShortName(out); 10974 if (count > 1) { 10975 out.print(" ("); out.print(count); out.print(" filters)"); 10976 } 10977 out.println(); 10978 } 10979 10980// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10981// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10982// final List<ResolveInfo> retList = Lists.newArrayList(); 10983// while (i.hasNext()) { 10984// final ResolveInfo resolveInfo = (ResolveInfo) i; 10985// if (isEnabledLP(resolveInfo.serviceInfo)) { 10986// retList.add(resolveInfo); 10987// } 10988// } 10989// return retList; 10990// } 10991 10992 // Keys are String (activity class name), values are Activity. 10993 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10994 = new ArrayMap<ComponentName, PackageParser.Service>(); 10995 private int mFlags; 10996 }; 10997 10998 private final class ProviderIntentResolver 10999 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11000 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11001 boolean defaultOnly, int userId) { 11002 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11003 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11004 } 11005 11006 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11007 int userId) { 11008 if (!sUserManager.exists(userId)) 11009 return null; 11010 mFlags = flags; 11011 return super.queryIntent(intent, resolvedType, 11012 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11013 } 11014 11015 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11016 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11017 if (!sUserManager.exists(userId)) 11018 return null; 11019 if (packageProviders == null) { 11020 return null; 11021 } 11022 mFlags = flags; 11023 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11024 final int N = packageProviders.size(); 11025 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11026 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11027 11028 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11029 for (int i = 0; i < N; ++i) { 11030 intentFilters = packageProviders.get(i).intents; 11031 if (intentFilters != null && intentFilters.size() > 0) { 11032 PackageParser.ProviderIntentInfo[] array = 11033 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11034 intentFilters.toArray(array); 11035 listCut.add(array); 11036 } 11037 } 11038 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11039 } 11040 11041 public final void addProvider(PackageParser.Provider p) { 11042 if (mProviders.containsKey(p.getComponentName())) { 11043 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11044 return; 11045 } 11046 11047 mProviders.put(p.getComponentName(), p); 11048 if (DEBUG_SHOW_INFO) { 11049 Log.v(TAG, " " 11050 + (p.info.nonLocalizedLabel != null 11051 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11052 Log.v(TAG, " Class=" + p.info.name); 11053 } 11054 final int NI = p.intents.size(); 11055 int j; 11056 for (j = 0; j < NI; j++) { 11057 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11058 if (DEBUG_SHOW_INFO) { 11059 Log.v(TAG, " IntentFilter:"); 11060 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11061 } 11062 if (!intent.debugCheck()) { 11063 Log.w(TAG, "==> For Provider " + p.info.name); 11064 } 11065 addFilter(intent); 11066 } 11067 } 11068 11069 public final void removeProvider(PackageParser.Provider p) { 11070 mProviders.remove(p.getComponentName()); 11071 if (DEBUG_SHOW_INFO) { 11072 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11073 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11074 Log.v(TAG, " Class=" + p.info.name); 11075 } 11076 final int NI = p.intents.size(); 11077 int j; 11078 for (j = 0; j < NI; j++) { 11079 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11080 if (DEBUG_SHOW_INFO) { 11081 Log.v(TAG, " IntentFilter:"); 11082 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11083 } 11084 removeFilter(intent); 11085 } 11086 } 11087 11088 @Override 11089 protected boolean allowFilterResult( 11090 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11091 ProviderInfo filterPi = filter.provider.info; 11092 for (int i = dest.size() - 1; i >= 0; i--) { 11093 ProviderInfo destPi = dest.get(i).providerInfo; 11094 if (destPi.name == filterPi.name 11095 && destPi.packageName == filterPi.packageName) { 11096 return false; 11097 } 11098 } 11099 return true; 11100 } 11101 11102 @Override 11103 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11104 return new PackageParser.ProviderIntentInfo[size]; 11105 } 11106 11107 @Override 11108 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11109 if (!sUserManager.exists(userId)) 11110 return true; 11111 PackageParser.Package p = filter.provider.owner; 11112 if (p != null) { 11113 PackageSetting ps = (PackageSetting) p.mExtras; 11114 if (ps != null) { 11115 // System apps are never considered stopped for purposes of 11116 // filtering, because there may be no way for the user to 11117 // actually re-launch them. 11118 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11119 && ps.getStopped(userId); 11120 } 11121 } 11122 return false; 11123 } 11124 11125 @Override 11126 protected boolean isPackageForFilter(String packageName, 11127 PackageParser.ProviderIntentInfo info) { 11128 return packageName.equals(info.provider.owner.packageName); 11129 } 11130 11131 @Override 11132 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11133 int match, int userId) { 11134 if (!sUserManager.exists(userId)) 11135 return null; 11136 final PackageParser.ProviderIntentInfo info = filter; 11137 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11138 return null; 11139 } 11140 final PackageParser.Provider provider = info.provider; 11141 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11142 if (ps == null) { 11143 return null; 11144 } 11145 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11146 ps.readUserState(userId), userId); 11147 if (pi == null) { 11148 return null; 11149 } 11150 final ResolveInfo res = new ResolveInfo(); 11151 res.providerInfo = pi; 11152 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11153 res.filter = filter; 11154 } 11155 res.priority = info.getPriority(); 11156 res.preferredOrder = provider.owner.mPreferredOrder; 11157 res.match = match; 11158 res.isDefault = info.hasDefault; 11159 res.labelRes = info.labelRes; 11160 res.nonLocalizedLabel = info.nonLocalizedLabel; 11161 res.icon = info.icon; 11162 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11163 return res; 11164 } 11165 11166 @Override 11167 protected void sortResults(List<ResolveInfo> results) { 11168 Collections.sort(results, mResolvePrioritySorter); 11169 } 11170 11171 @Override 11172 protected void dumpFilter(PrintWriter out, String prefix, 11173 PackageParser.ProviderIntentInfo filter) { 11174 out.print(prefix); 11175 out.print( 11176 Integer.toHexString(System.identityHashCode(filter.provider))); 11177 out.print(' '); 11178 filter.provider.printComponentShortName(out); 11179 out.print(" filter "); 11180 out.println(Integer.toHexString(System.identityHashCode(filter))); 11181 } 11182 11183 @Override 11184 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11185 return filter.provider; 11186 } 11187 11188 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11189 PackageParser.Provider provider = (PackageParser.Provider)label; 11190 out.print(prefix); out.print( 11191 Integer.toHexString(System.identityHashCode(provider))); 11192 out.print(' '); 11193 provider.printComponentShortName(out); 11194 if (count > 1) { 11195 out.print(" ("); out.print(count); out.print(" filters)"); 11196 } 11197 out.println(); 11198 } 11199 11200 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11201 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11202 private int mFlags; 11203 } 11204 11205 private static final class EphemeralIntentResolver 11206 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11207 @Override 11208 protected EphemeralResolveIntentInfo[] newArray(int size) { 11209 return new EphemeralResolveIntentInfo[size]; 11210 } 11211 11212 @Override 11213 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11214 return true; 11215 } 11216 11217 @Override 11218 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11219 int userId) { 11220 if (!sUserManager.exists(userId)) { 11221 return null; 11222 } 11223 return info.getEphemeralResolveInfo(); 11224 } 11225 } 11226 11227 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11228 new Comparator<ResolveInfo>() { 11229 public int compare(ResolveInfo r1, ResolveInfo r2) { 11230 int v1 = r1.priority; 11231 int v2 = r2.priority; 11232 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11233 if (v1 != v2) { 11234 return (v1 > v2) ? -1 : 1; 11235 } 11236 v1 = r1.preferredOrder; 11237 v2 = r2.preferredOrder; 11238 if (v1 != v2) { 11239 return (v1 > v2) ? -1 : 1; 11240 } 11241 if (r1.isDefault != r2.isDefault) { 11242 return r1.isDefault ? -1 : 1; 11243 } 11244 v1 = r1.match; 11245 v2 = r2.match; 11246 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11247 if (v1 != v2) { 11248 return (v1 > v2) ? -1 : 1; 11249 } 11250 if (r1.system != r2.system) { 11251 return r1.system ? -1 : 1; 11252 } 11253 if (r1.activityInfo != null) { 11254 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11255 } 11256 if (r1.serviceInfo != null) { 11257 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11258 } 11259 if (r1.providerInfo != null) { 11260 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11261 } 11262 return 0; 11263 } 11264 }; 11265 11266 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11267 new Comparator<ProviderInfo>() { 11268 public int compare(ProviderInfo p1, ProviderInfo p2) { 11269 final int v1 = p1.initOrder; 11270 final int v2 = p2.initOrder; 11271 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11272 } 11273 }; 11274 11275 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11276 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11277 final int[] userIds) { 11278 mHandler.post(new Runnable() { 11279 @Override 11280 public void run() { 11281 try { 11282 final IActivityManager am = ActivityManagerNative.getDefault(); 11283 if (am == null) return; 11284 final int[] resolvedUserIds; 11285 if (userIds == null) { 11286 resolvedUserIds = am.getRunningUserIds(); 11287 } else { 11288 resolvedUserIds = userIds; 11289 } 11290 for (int id : resolvedUserIds) { 11291 final Intent intent = new Intent(action, 11292 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11293 if (extras != null) { 11294 intent.putExtras(extras); 11295 } 11296 if (targetPkg != null) { 11297 intent.setPackage(targetPkg); 11298 } 11299 // Modify the UID when posting to other users 11300 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11301 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11302 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11303 intent.putExtra(Intent.EXTRA_UID, uid); 11304 } 11305 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11306 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11307 if (DEBUG_BROADCASTS) { 11308 RuntimeException here = new RuntimeException("here"); 11309 here.fillInStackTrace(); 11310 Slog.d(TAG, "Sending to user " + id + ": " 11311 + intent.toShortString(false, true, false, false) 11312 + " " + intent.getExtras(), here); 11313 } 11314 am.broadcastIntent(null, intent, null, finishedReceiver, 11315 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11316 null, finishedReceiver != null, false, id); 11317 } 11318 } catch (RemoteException ex) { 11319 } 11320 } 11321 }); 11322 } 11323 11324 /** 11325 * Check if the external storage media is available. This is true if there 11326 * is a mounted external storage medium or if the external storage is 11327 * emulated. 11328 */ 11329 private boolean isExternalMediaAvailable() { 11330 return mMediaMounted || Environment.isExternalStorageEmulated(); 11331 } 11332 11333 @Override 11334 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11335 // writer 11336 synchronized (mPackages) { 11337 if (!isExternalMediaAvailable()) { 11338 // If the external storage is no longer mounted at this point, 11339 // the caller may not have been able to delete all of this 11340 // packages files and can not delete any more. Bail. 11341 return null; 11342 } 11343 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11344 if (lastPackage != null) { 11345 pkgs.remove(lastPackage); 11346 } 11347 if (pkgs.size() > 0) { 11348 return pkgs.get(0); 11349 } 11350 } 11351 return null; 11352 } 11353 11354 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11355 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11356 userId, andCode ? 1 : 0, packageName); 11357 if (mSystemReady) { 11358 msg.sendToTarget(); 11359 } else { 11360 if (mPostSystemReadyMessages == null) { 11361 mPostSystemReadyMessages = new ArrayList<>(); 11362 } 11363 mPostSystemReadyMessages.add(msg); 11364 } 11365 } 11366 11367 void startCleaningPackages() { 11368 // reader 11369 if (!isExternalMediaAvailable()) { 11370 return; 11371 } 11372 synchronized (mPackages) { 11373 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11374 return; 11375 } 11376 } 11377 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11378 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11379 IActivityManager am = ActivityManagerNative.getDefault(); 11380 if (am != null) { 11381 try { 11382 am.startService(null, intent, null, mContext.getOpPackageName(), 11383 UserHandle.USER_SYSTEM); 11384 } catch (RemoteException e) { 11385 } 11386 } 11387 } 11388 11389 @Override 11390 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11391 int installFlags, String installerPackageName, int userId) { 11392 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11393 11394 final int callingUid = Binder.getCallingUid(); 11395 enforceCrossUserPermission(callingUid, userId, 11396 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11397 11398 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11399 try { 11400 if (observer != null) { 11401 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11402 } 11403 } catch (RemoteException re) { 11404 } 11405 return; 11406 } 11407 11408 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11409 installFlags |= PackageManager.INSTALL_FROM_ADB; 11410 11411 } else { 11412 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11413 // about installerPackageName. 11414 11415 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11416 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11417 } 11418 11419 UserHandle user; 11420 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11421 user = UserHandle.ALL; 11422 } else { 11423 user = new UserHandle(userId); 11424 } 11425 11426 // Only system components can circumvent runtime permissions when installing. 11427 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11428 && mContext.checkCallingOrSelfPermission(Manifest.permission 11429 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11430 throw new SecurityException("You need the " 11431 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11432 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11433 } 11434 11435 final File originFile = new File(originPath); 11436 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11437 11438 final Message msg = mHandler.obtainMessage(INIT_COPY); 11439 final VerificationInfo verificationInfo = new VerificationInfo( 11440 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11441 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11442 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11443 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11444 null /*certificates*/); 11445 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11446 msg.obj = params; 11447 11448 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11449 System.identityHashCode(msg.obj)); 11450 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11451 System.identityHashCode(msg.obj)); 11452 11453 mHandler.sendMessage(msg); 11454 } 11455 11456 void installStage(String packageName, File stagedDir, String stagedCid, 11457 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11458 String installerPackageName, int installerUid, UserHandle user, 11459 Certificate[][] certificates) { 11460 if (DEBUG_EPHEMERAL) { 11461 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11462 Slog.d(TAG, "Ephemeral install of " + packageName); 11463 } 11464 } 11465 final VerificationInfo verificationInfo = new VerificationInfo( 11466 sessionParams.originatingUri, sessionParams.referrerUri, 11467 sessionParams.originatingUid, installerUid); 11468 11469 final OriginInfo origin; 11470 if (stagedDir != null) { 11471 origin = OriginInfo.fromStagedFile(stagedDir); 11472 } else { 11473 origin = OriginInfo.fromStagedContainer(stagedCid); 11474 } 11475 11476 final Message msg = mHandler.obtainMessage(INIT_COPY); 11477 final InstallParams params = new InstallParams(origin, null, observer, 11478 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11479 verificationInfo, user, sessionParams.abiOverride, 11480 sessionParams.grantedRuntimePermissions, certificates); 11481 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11482 msg.obj = params; 11483 11484 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11485 System.identityHashCode(msg.obj)); 11486 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11487 System.identityHashCode(msg.obj)); 11488 11489 mHandler.sendMessage(msg); 11490 } 11491 11492 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11493 int userId) { 11494 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11495 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11496 } 11497 11498 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11499 int appId, int userId) { 11500 Bundle extras = new Bundle(1); 11501 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11502 11503 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11504 packageName, extras, 0, null, null, new int[] {userId}); 11505 try { 11506 IActivityManager am = ActivityManagerNative.getDefault(); 11507 if (isSystem && am.isUserRunning(userId, 0)) { 11508 // The just-installed/enabled app is bundled on the system, so presumed 11509 // to be able to run automatically without needing an explicit launch. 11510 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11511 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11512 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11513 .setPackage(packageName); 11514 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11515 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11516 } 11517 } catch (RemoteException e) { 11518 // shouldn't happen 11519 Slog.w(TAG, "Unable to bootstrap installed package", e); 11520 } 11521 } 11522 11523 @Override 11524 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11525 int userId) { 11526 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11527 PackageSetting pkgSetting; 11528 final int uid = Binder.getCallingUid(); 11529 enforceCrossUserPermission(uid, userId, 11530 true /* requireFullPermission */, true /* checkShell */, 11531 "setApplicationHiddenSetting for user " + userId); 11532 11533 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11534 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11535 return false; 11536 } 11537 11538 long callingId = Binder.clearCallingIdentity(); 11539 try { 11540 boolean sendAdded = false; 11541 boolean sendRemoved = false; 11542 // writer 11543 synchronized (mPackages) { 11544 pkgSetting = mSettings.mPackages.get(packageName); 11545 if (pkgSetting == null) { 11546 return false; 11547 } 11548 // Do not allow "android" is being disabled 11549 if ("android".equals(packageName)) { 11550 Slog.w(TAG, "Cannot hide package: android"); 11551 return false; 11552 } 11553 // Only allow protected packages to hide themselves. 11554 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11555 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11556 Slog.w(TAG, "Not hiding protected package: " + packageName); 11557 return false; 11558 } 11559 11560 if (pkgSetting.getHidden(userId) != hidden) { 11561 pkgSetting.setHidden(hidden, userId); 11562 mSettings.writePackageRestrictionsLPr(userId); 11563 if (hidden) { 11564 sendRemoved = true; 11565 } else { 11566 sendAdded = true; 11567 } 11568 } 11569 } 11570 if (sendAdded) { 11571 sendPackageAddedForUser(packageName, pkgSetting, userId); 11572 return true; 11573 } 11574 if (sendRemoved) { 11575 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11576 "hiding pkg"); 11577 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11578 return true; 11579 } 11580 } finally { 11581 Binder.restoreCallingIdentity(callingId); 11582 } 11583 return false; 11584 } 11585 11586 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11587 int userId) { 11588 final PackageRemovedInfo info = new PackageRemovedInfo(); 11589 info.removedPackage = packageName; 11590 info.removedUsers = new int[] {userId}; 11591 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11592 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11593 } 11594 11595 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11596 if (pkgList.length > 0) { 11597 Bundle extras = new Bundle(1); 11598 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11599 11600 sendPackageBroadcast( 11601 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11602 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11603 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11604 new int[] {userId}); 11605 } 11606 } 11607 11608 /** 11609 * Returns true if application is not found or there was an error. Otherwise it returns 11610 * the hidden state of the package for the given user. 11611 */ 11612 @Override 11613 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11614 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11615 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11616 true /* requireFullPermission */, false /* checkShell */, 11617 "getApplicationHidden for user " + userId); 11618 PackageSetting pkgSetting; 11619 long callingId = Binder.clearCallingIdentity(); 11620 try { 11621 // writer 11622 synchronized (mPackages) { 11623 pkgSetting = mSettings.mPackages.get(packageName); 11624 if (pkgSetting == null) { 11625 return true; 11626 } 11627 return pkgSetting.getHidden(userId); 11628 } 11629 } finally { 11630 Binder.restoreCallingIdentity(callingId); 11631 } 11632 } 11633 11634 /** 11635 * @hide 11636 */ 11637 @Override 11638 public int installExistingPackageAsUser(String packageName, int userId) { 11639 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11640 null); 11641 PackageSetting pkgSetting; 11642 final int uid = Binder.getCallingUid(); 11643 enforceCrossUserPermission(uid, userId, 11644 true /* requireFullPermission */, true /* checkShell */, 11645 "installExistingPackage for user " + userId); 11646 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11647 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11648 } 11649 11650 long callingId = Binder.clearCallingIdentity(); 11651 try { 11652 boolean installed = false; 11653 11654 // writer 11655 synchronized (mPackages) { 11656 pkgSetting = mSettings.mPackages.get(packageName); 11657 if (pkgSetting == null) { 11658 return PackageManager.INSTALL_FAILED_INVALID_URI; 11659 } 11660 if (!pkgSetting.getInstalled(userId)) { 11661 pkgSetting.setInstalled(true, userId); 11662 pkgSetting.setHidden(false, userId); 11663 mSettings.writePackageRestrictionsLPr(userId); 11664 installed = true; 11665 } 11666 } 11667 11668 if (installed) { 11669 if (pkgSetting.pkg != null) { 11670 synchronized (mInstallLock) { 11671 // We don't need to freeze for a brand new install 11672 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11673 } 11674 } 11675 sendPackageAddedForUser(packageName, pkgSetting, userId); 11676 } 11677 } finally { 11678 Binder.restoreCallingIdentity(callingId); 11679 } 11680 11681 return PackageManager.INSTALL_SUCCEEDED; 11682 } 11683 11684 boolean isUserRestricted(int userId, String restrictionKey) { 11685 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11686 if (restrictions.getBoolean(restrictionKey, false)) { 11687 Log.w(TAG, "User is restricted: " + restrictionKey); 11688 return true; 11689 } 11690 return false; 11691 } 11692 11693 @Override 11694 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11695 int userId) { 11696 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11697 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11698 true /* requireFullPermission */, true /* checkShell */, 11699 "setPackagesSuspended for user " + userId); 11700 11701 if (ArrayUtils.isEmpty(packageNames)) { 11702 return packageNames; 11703 } 11704 11705 // List of package names for whom the suspended state has changed. 11706 List<String> changedPackages = new ArrayList<>(packageNames.length); 11707 // List of package names for whom the suspended state is not set as requested in this 11708 // method. 11709 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11710 long callingId = Binder.clearCallingIdentity(); 11711 try { 11712 for (int i = 0; i < packageNames.length; i++) { 11713 String packageName = packageNames[i]; 11714 boolean changed = false; 11715 final int appId; 11716 synchronized (mPackages) { 11717 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11718 if (pkgSetting == null) { 11719 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11720 + "\". Skipping suspending/un-suspending."); 11721 unactionedPackages.add(packageName); 11722 continue; 11723 } 11724 appId = pkgSetting.appId; 11725 if (pkgSetting.getSuspended(userId) != suspended) { 11726 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11727 unactionedPackages.add(packageName); 11728 continue; 11729 } 11730 pkgSetting.setSuspended(suspended, userId); 11731 mSettings.writePackageRestrictionsLPr(userId); 11732 changed = true; 11733 changedPackages.add(packageName); 11734 } 11735 } 11736 11737 if (changed && suspended) { 11738 killApplication(packageName, UserHandle.getUid(userId, appId), 11739 "suspending package"); 11740 } 11741 } 11742 } finally { 11743 Binder.restoreCallingIdentity(callingId); 11744 } 11745 11746 if (!changedPackages.isEmpty()) { 11747 sendPackagesSuspendedForUser(changedPackages.toArray( 11748 new String[changedPackages.size()]), userId, suspended); 11749 } 11750 11751 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11752 } 11753 11754 @Override 11755 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11756 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11757 true /* requireFullPermission */, false /* checkShell */, 11758 "isPackageSuspendedForUser for user " + userId); 11759 synchronized (mPackages) { 11760 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11761 if (pkgSetting == null) { 11762 throw new IllegalArgumentException("Unknown target package: " + packageName); 11763 } 11764 return pkgSetting.getSuspended(userId); 11765 } 11766 } 11767 11768 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11769 if (isPackageDeviceAdmin(packageName, userId)) { 11770 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11771 + "\": has an active device admin"); 11772 return false; 11773 } 11774 11775 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11776 if (packageName.equals(activeLauncherPackageName)) { 11777 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11778 + "\": contains the active launcher"); 11779 return false; 11780 } 11781 11782 if (packageName.equals(mRequiredInstallerPackage)) { 11783 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11784 + "\": required for package installation"); 11785 return false; 11786 } 11787 11788 if (packageName.equals(mRequiredVerifierPackage)) { 11789 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11790 + "\": required for package verification"); 11791 return false; 11792 } 11793 11794 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11795 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11796 + "\": is the default dialer"); 11797 return false; 11798 } 11799 11800 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11801 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11802 + "\": protected package"); 11803 return false; 11804 } 11805 11806 return true; 11807 } 11808 11809 private String getActiveLauncherPackageName(int userId) { 11810 Intent intent = new Intent(Intent.ACTION_MAIN); 11811 intent.addCategory(Intent.CATEGORY_HOME); 11812 ResolveInfo resolveInfo = resolveIntent( 11813 intent, 11814 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11815 PackageManager.MATCH_DEFAULT_ONLY, 11816 userId); 11817 11818 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11819 } 11820 11821 private String getDefaultDialerPackageName(int userId) { 11822 synchronized (mPackages) { 11823 return mSettings.getDefaultDialerPackageNameLPw(userId); 11824 } 11825 } 11826 11827 @Override 11828 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11829 mContext.enforceCallingOrSelfPermission( 11830 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11831 "Only package verification agents can verify applications"); 11832 11833 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11834 final PackageVerificationResponse response = new PackageVerificationResponse( 11835 verificationCode, Binder.getCallingUid()); 11836 msg.arg1 = id; 11837 msg.obj = response; 11838 mHandler.sendMessage(msg); 11839 } 11840 11841 @Override 11842 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11843 long millisecondsToDelay) { 11844 mContext.enforceCallingOrSelfPermission( 11845 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11846 "Only package verification agents can extend verification timeouts"); 11847 11848 final PackageVerificationState state = mPendingVerification.get(id); 11849 final PackageVerificationResponse response = new PackageVerificationResponse( 11850 verificationCodeAtTimeout, Binder.getCallingUid()); 11851 11852 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11853 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11854 } 11855 if (millisecondsToDelay < 0) { 11856 millisecondsToDelay = 0; 11857 } 11858 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11859 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11860 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11861 } 11862 11863 if ((state != null) && !state.timeoutExtended()) { 11864 state.extendTimeout(); 11865 11866 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11867 msg.arg1 = id; 11868 msg.obj = response; 11869 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11870 } 11871 } 11872 11873 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11874 int verificationCode, UserHandle user) { 11875 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11876 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11877 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11878 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11879 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11880 11881 mContext.sendBroadcastAsUser(intent, user, 11882 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11883 } 11884 11885 private ComponentName matchComponentForVerifier(String packageName, 11886 List<ResolveInfo> receivers) { 11887 ActivityInfo targetReceiver = null; 11888 11889 final int NR = receivers.size(); 11890 for (int i = 0; i < NR; i++) { 11891 final ResolveInfo info = receivers.get(i); 11892 if (info.activityInfo == null) { 11893 continue; 11894 } 11895 11896 if (packageName.equals(info.activityInfo.packageName)) { 11897 targetReceiver = info.activityInfo; 11898 break; 11899 } 11900 } 11901 11902 if (targetReceiver == null) { 11903 return null; 11904 } 11905 11906 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11907 } 11908 11909 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11910 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11911 if (pkgInfo.verifiers.length == 0) { 11912 return null; 11913 } 11914 11915 final int N = pkgInfo.verifiers.length; 11916 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11917 for (int i = 0; i < N; i++) { 11918 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11919 11920 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11921 receivers); 11922 if (comp == null) { 11923 continue; 11924 } 11925 11926 final int verifierUid = getUidForVerifier(verifierInfo); 11927 if (verifierUid == -1) { 11928 continue; 11929 } 11930 11931 if (DEBUG_VERIFY) { 11932 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11933 + " with the correct signature"); 11934 } 11935 sufficientVerifiers.add(comp); 11936 verificationState.addSufficientVerifier(verifierUid); 11937 } 11938 11939 return sufficientVerifiers; 11940 } 11941 11942 private int getUidForVerifier(VerifierInfo verifierInfo) { 11943 synchronized (mPackages) { 11944 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11945 if (pkg == null) { 11946 return -1; 11947 } else if (pkg.mSignatures.length != 1) { 11948 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11949 + " has more than one signature; ignoring"); 11950 return -1; 11951 } 11952 11953 /* 11954 * If the public key of the package's signature does not match 11955 * our expected public key, then this is a different package and 11956 * we should skip. 11957 */ 11958 11959 final byte[] expectedPublicKey; 11960 try { 11961 final Signature verifierSig = pkg.mSignatures[0]; 11962 final PublicKey publicKey = verifierSig.getPublicKey(); 11963 expectedPublicKey = publicKey.getEncoded(); 11964 } catch (CertificateException e) { 11965 return -1; 11966 } 11967 11968 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11969 11970 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11971 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11972 + " does not have the expected public key; ignoring"); 11973 return -1; 11974 } 11975 11976 return pkg.applicationInfo.uid; 11977 } 11978 } 11979 11980 @Override 11981 public void finishPackageInstall(int token, boolean didLaunch) { 11982 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11983 11984 if (DEBUG_INSTALL) { 11985 Slog.v(TAG, "BM finishing package install for " + token); 11986 } 11987 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11988 11989 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11990 mHandler.sendMessage(msg); 11991 } 11992 11993 /** 11994 * Get the verification agent timeout. 11995 * 11996 * @return verification timeout in milliseconds 11997 */ 11998 private long getVerificationTimeout() { 11999 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12000 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12001 DEFAULT_VERIFICATION_TIMEOUT); 12002 } 12003 12004 /** 12005 * Get the default verification agent response code. 12006 * 12007 * @return default verification response code 12008 */ 12009 private int getDefaultVerificationResponse() { 12010 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12011 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12012 DEFAULT_VERIFICATION_RESPONSE); 12013 } 12014 12015 /** 12016 * Check whether or not package verification has been enabled. 12017 * 12018 * @return true if verification should be performed 12019 */ 12020 private boolean isVerificationEnabled(int userId, int installFlags) { 12021 if (!DEFAULT_VERIFY_ENABLE) { 12022 return false; 12023 } 12024 // Ephemeral apps don't get the full verification treatment 12025 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12026 if (DEBUG_EPHEMERAL) { 12027 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12028 } 12029 return false; 12030 } 12031 12032 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12033 12034 // Check if installing from ADB 12035 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12036 // Do not run verification in a test harness environment 12037 if (ActivityManager.isRunningInTestHarness()) { 12038 return false; 12039 } 12040 if (ensureVerifyAppsEnabled) { 12041 return true; 12042 } 12043 // Check if the developer does not want package verification for ADB installs 12044 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12045 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12046 return false; 12047 } 12048 } 12049 12050 if (ensureVerifyAppsEnabled) { 12051 return true; 12052 } 12053 12054 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12055 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12056 } 12057 12058 @Override 12059 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12060 throws RemoteException { 12061 mContext.enforceCallingOrSelfPermission( 12062 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12063 "Only intentfilter verification agents can verify applications"); 12064 12065 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12066 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12067 Binder.getCallingUid(), verificationCode, failedDomains); 12068 msg.arg1 = id; 12069 msg.obj = response; 12070 mHandler.sendMessage(msg); 12071 } 12072 12073 @Override 12074 public int getIntentVerificationStatus(String packageName, int userId) { 12075 synchronized (mPackages) { 12076 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12077 } 12078 } 12079 12080 @Override 12081 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12082 mContext.enforceCallingOrSelfPermission( 12083 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12084 12085 boolean result = false; 12086 synchronized (mPackages) { 12087 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12088 } 12089 if (result) { 12090 scheduleWritePackageRestrictionsLocked(userId); 12091 } 12092 return result; 12093 } 12094 12095 @Override 12096 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12097 String packageName) { 12098 synchronized (mPackages) { 12099 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12100 } 12101 } 12102 12103 @Override 12104 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12105 if (TextUtils.isEmpty(packageName)) { 12106 return ParceledListSlice.emptyList(); 12107 } 12108 synchronized (mPackages) { 12109 PackageParser.Package pkg = mPackages.get(packageName); 12110 if (pkg == null || pkg.activities == null) { 12111 return ParceledListSlice.emptyList(); 12112 } 12113 final int count = pkg.activities.size(); 12114 ArrayList<IntentFilter> result = new ArrayList<>(); 12115 for (int n=0; n<count; n++) { 12116 PackageParser.Activity activity = pkg.activities.get(n); 12117 if (activity.intents != null && activity.intents.size() > 0) { 12118 result.addAll(activity.intents); 12119 } 12120 } 12121 return new ParceledListSlice<>(result); 12122 } 12123 } 12124 12125 @Override 12126 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12127 mContext.enforceCallingOrSelfPermission( 12128 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12129 12130 synchronized (mPackages) { 12131 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12132 if (packageName != null) { 12133 result |= updateIntentVerificationStatus(packageName, 12134 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12135 userId); 12136 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12137 packageName, userId); 12138 } 12139 return result; 12140 } 12141 } 12142 12143 @Override 12144 public String getDefaultBrowserPackageName(int userId) { 12145 synchronized (mPackages) { 12146 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12147 } 12148 } 12149 12150 /** 12151 * Get the "allow unknown sources" setting. 12152 * 12153 * @return the current "allow unknown sources" setting 12154 */ 12155 private int getUnknownSourcesSettings() { 12156 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12157 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12158 -1); 12159 } 12160 12161 @Override 12162 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12163 final int uid = Binder.getCallingUid(); 12164 // writer 12165 synchronized (mPackages) { 12166 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12167 if (targetPackageSetting == null) { 12168 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12169 } 12170 12171 PackageSetting installerPackageSetting; 12172 if (installerPackageName != null) { 12173 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12174 if (installerPackageSetting == null) { 12175 throw new IllegalArgumentException("Unknown installer package: " 12176 + installerPackageName); 12177 } 12178 } else { 12179 installerPackageSetting = null; 12180 } 12181 12182 Signature[] callerSignature; 12183 Object obj = mSettings.getUserIdLPr(uid); 12184 if (obj != null) { 12185 if (obj instanceof SharedUserSetting) { 12186 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12187 } else if (obj instanceof PackageSetting) { 12188 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12189 } else { 12190 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12191 } 12192 } else { 12193 throw new SecurityException("Unknown calling UID: " + uid); 12194 } 12195 12196 // Verify: can't set installerPackageName to a package that is 12197 // not signed with the same cert as the caller. 12198 if (installerPackageSetting != null) { 12199 if (compareSignatures(callerSignature, 12200 installerPackageSetting.signatures.mSignatures) 12201 != PackageManager.SIGNATURE_MATCH) { 12202 throw new SecurityException( 12203 "Caller does not have same cert as new installer package " 12204 + installerPackageName); 12205 } 12206 } 12207 12208 // Verify: if target already has an installer package, it must 12209 // be signed with the same cert as the caller. 12210 if (targetPackageSetting.installerPackageName != null) { 12211 PackageSetting setting = mSettings.mPackages.get( 12212 targetPackageSetting.installerPackageName); 12213 // If the currently set package isn't valid, then it's always 12214 // okay to change it. 12215 if (setting != null) { 12216 if (compareSignatures(callerSignature, 12217 setting.signatures.mSignatures) 12218 != PackageManager.SIGNATURE_MATCH) { 12219 throw new SecurityException( 12220 "Caller does not have same cert as old installer package " 12221 + targetPackageSetting.installerPackageName); 12222 } 12223 } 12224 } 12225 12226 // Okay! 12227 targetPackageSetting.installerPackageName = installerPackageName; 12228 if (installerPackageName != null) { 12229 mSettings.mInstallerPackages.add(installerPackageName); 12230 } 12231 scheduleWriteSettingsLocked(); 12232 } 12233 } 12234 12235 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12236 // Queue up an async operation since the package installation may take a little while. 12237 mHandler.post(new Runnable() { 12238 public void run() { 12239 mHandler.removeCallbacks(this); 12240 // Result object to be returned 12241 PackageInstalledInfo res = new PackageInstalledInfo(); 12242 res.setReturnCode(currentStatus); 12243 res.uid = -1; 12244 res.pkg = null; 12245 res.removedInfo = null; 12246 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12247 args.doPreInstall(res.returnCode); 12248 synchronized (mInstallLock) { 12249 installPackageTracedLI(args, res); 12250 } 12251 args.doPostInstall(res.returnCode, res.uid); 12252 } 12253 12254 // A restore should be performed at this point if (a) the install 12255 // succeeded, (b) the operation is not an update, and (c) the new 12256 // package has not opted out of backup participation. 12257 final boolean update = res.removedInfo != null 12258 && res.removedInfo.removedPackage != null; 12259 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12260 boolean doRestore = !update 12261 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12262 12263 // Set up the post-install work request bookkeeping. This will be used 12264 // and cleaned up by the post-install event handling regardless of whether 12265 // there's a restore pass performed. Token values are >= 1. 12266 int token; 12267 if (mNextInstallToken < 0) mNextInstallToken = 1; 12268 token = mNextInstallToken++; 12269 12270 PostInstallData data = new PostInstallData(args, res); 12271 mRunningInstalls.put(token, data); 12272 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12273 12274 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12275 // Pass responsibility to the Backup Manager. It will perform a 12276 // restore if appropriate, then pass responsibility back to the 12277 // Package Manager to run the post-install observer callbacks 12278 // and broadcasts. 12279 IBackupManager bm = IBackupManager.Stub.asInterface( 12280 ServiceManager.getService(Context.BACKUP_SERVICE)); 12281 if (bm != null) { 12282 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12283 + " to BM for possible restore"); 12284 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12285 try { 12286 // TODO: http://b/22388012 12287 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12288 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12289 } else { 12290 doRestore = false; 12291 } 12292 } catch (RemoteException e) { 12293 // can't happen; the backup manager is local 12294 } catch (Exception e) { 12295 Slog.e(TAG, "Exception trying to enqueue restore", e); 12296 doRestore = false; 12297 } 12298 } else { 12299 Slog.e(TAG, "Backup Manager not found!"); 12300 doRestore = false; 12301 } 12302 } 12303 12304 if (!doRestore) { 12305 // No restore possible, or the Backup Manager was mysteriously not 12306 // available -- just fire the post-install work request directly. 12307 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12308 12309 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12310 12311 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12312 mHandler.sendMessage(msg); 12313 } 12314 } 12315 }); 12316 } 12317 12318 /** 12319 * Callback from PackageSettings whenever an app is first transitioned out of the 12320 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12321 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12322 * here whether the app is the target of an ongoing install, and only send the 12323 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12324 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12325 * handling. 12326 */ 12327 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12328 // Serialize this with the rest of the install-process message chain. In the 12329 // restore-at-install case, this Runnable will necessarily run before the 12330 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12331 // are coherent. In the non-restore case, the app has already completed install 12332 // and been launched through some other means, so it is not in a problematic 12333 // state for observers to see the FIRST_LAUNCH signal. 12334 mHandler.post(new Runnable() { 12335 @Override 12336 public void run() { 12337 for (int i = 0; i < mRunningInstalls.size(); i++) { 12338 final PostInstallData data = mRunningInstalls.valueAt(i); 12339 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12340 // right package; but is it for the right user? 12341 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12342 if (userId == data.res.newUsers[uIndex]) { 12343 if (DEBUG_BACKUP) { 12344 Slog.i(TAG, "Package " + pkgName 12345 + " being restored so deferring FIRST_LAUNCH"); 12346 } 12347 return; 12348 } 12349 } 12350 } 12351 } 12352 // didn't find it, so not being restored 12353 if (DEBUG_BACKUP) { 12354 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12355 } 12356 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12357 } 12358 }); 12359 } 12360 12361 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12362 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12363 installerPkg, null, userIds); 12364 } 12365 12366 private abstract class HandlerParams { 12367 private static final int MAX_RETRIES = 4; 12368 12369 /** 12370 * Number of times startCopy() has been attempted and had a non-fatal 12371 * error. 12372 */ 12373 private int mRetries = 0; 12374 12375 /** User handle for the user requesting the information or installation. */ 12376 private final UserHandle mUser; 12377 String traceMethod; 12378 int traceCookie; 12379 12380 HandlerParams(UserHandle user) { 12381 mUser = user; 12382 } 12383 12384 UserHandle getUser() { 12385 return mUser; 12386 } 12387 12388 HandlerParams setTraceMethod(String traceMethod) { 12389 this.traceMethod = traceMethod; 12390 return this; 12391 } 12392 12393 HandlerParams setTraceCookie(int traceCookie) { 12394 this.traceCookie = traceCookie; 12395 return this; 12396 } 12397 12398 final boolean startCopy() { 12399 boolean res; 12400 try { 12401 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12402 12403 if (++mRetries > MAX_RETRIES) { 12404 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12405 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12406 handleServiceError(); 12407 return false; 12408 } else { 12409 handleStartCopy(); 12410 res = true; 12411 } 12412 } catch (RemoteException e) { 12413 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12414 mHandler.sendEmptyMessage(MCS_RECONNECT); 12415 res = false; 12416 } 12417 handleReturnCode(); 12418 return res; 12419 } 12420 12421 final void serviceError() { 12422 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12423 handleServiceError(); 12424 handleReturnCode(); 12425 } 12426 12427 abstract void handleStartCopy() throws RemoteException; 12428 abstract void handleServiceError(); 12429 abstract void handleReturnCode(); 12430 } 12431 12432 class MeasureParams extends HandlerParams { 12433 private final PackageStats mStats; 12434 private boolean mSuccess; 12435 12436 private final IPackageStatsObserver mObserver; 12437 12438 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12439 super(new UserHandle(stats.userHandle)); 12440 mObserver = observer; 12441 mStats = stats; 12442 } 12443 12444 @Override 12445 public String toString() { 12446 return "MeasureParams{" 12447 + Integer.toHexString(System.identityHashCode(this)) 12448 + " " + mStats.packageName + "}"; 12449 } 12450 12451 @Override 12452 void handleStartCopy() throws RemoteException { 12453 synchronized (mInstallLock) { 12454 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12455 } 12456 12457 if (mSuccess) { 12458 boolean mounted = false; 12459 try { 12460 final String status = Environment.getExternalStorageState(); 12461 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12462 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12463 } catch (Exception e) { 12464 } 12465 12466 if (mounted) { 12467 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12468 12469 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12470 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12471 12472 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12473 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12474 12475 // Always subtract cache size, since it's a subdirectory 12476 mStats.externalDataSize -= mStats.externalCacheSize; 12477 12478 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12479 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12480 12481 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12482 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12483 } 12484 } 12485 } 12486 12487 @Override 12488 void handleReturnCode() { 12489 if (mObserver != null) { 12490 try { 12491 mObserver.onGetStatsCompleted(mStats, mSuccess); 12492 } catch (RemoteException e) { 12493 Slog.i(TAG, "Observer no longer exists."); 12494 } 12495 } 12496 } 12497 12498 @Override 12499 void handleServiceError() { 12500 Slog.e(TAG, "Could not measure application " + mStats.packageName 12501 + " external storage"); 12502 } 12503 } 12504 12505 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12506 throws RemoteException { 12507 long result = 0; 12508 for (File path : paths) { 12509 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12510 } 12511 return result; 12512 } 12513 12514 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12515 for (File path : paths) { 12516 try { 12517 mcs.clearDirectory(path.getAbsolutePath()); 12518 } catch (RemoteException e) { 12519 } 12520 } 12521 } 12522 12523 static class OriginInfo { 12524 /** 12525 * Location where install is coming from, before it has been 12526 * copied/renamed into place. This could be a single monolithic APK 12527 * file, or a cluster directory. This location may be untrusted. 12528 */ 12529 final File file; 12530 final String cid; 12531 12532 /** 12533 * Flag indicating that {@link #file} or {@link #cid} has already been 12534 * staged, meaning downstream users don't need to defensively copy the 12535 * contents. 12536 */ 12537 final boolean staged; 12538 12539 /** 12540 * Flag indicating that {@link #file} or {@link #cid} is an already 12541 * installed app that is being moved. 12542 */ 12543 final boolean existing; 12544 12545 final String resolvedPath; 12546 final File resolvedFile; 12547 12548 static OriginInfo fromNothing() { 12549 return new OriginInfo(null, null, false, false); 12550 } 12551 12552 static OriginInfo fromUntrustedFile(File file) { 12553 return new OriginInfo(file, null, false, false); 12554 } 12555 12556 static OriginInfo fromExistingFile(File file) { 12557 return new OriginInfo(file, null, false, true); 12558 } 12559 12560 static OriginInfo fromStagedFile(File file) { 12561 return new OriginInfo(file, null, true, false); 12562 } 12563 12564 static OriginInfo fromStagedContainer(String cid) { 12565 return new OriginInfo(null, cid, true, false); 12566 } 12567 12568 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12569 this.file = file; 12570 this.cid = cid; 12571 this.staged = staged; 12572 this.existing = existing; 12573 12574 if (cid != null) { 12575 resolvedPath = PackageHelper.getSdDir(cid); 12576 resolvedFile = new File(resolvedPath); 12577 } else if (file != null) { 12578 resolvedPath = file.getAbsolutePath(); 12579 resolvedFile = file; 12580 } else { 12581 resolvedPath = null; 12582 resolvedFile = null; 12583 } 12584 } 12585 } 12586 12587 static class MoveInfo { 12588 final int moveId; 12589 final String fromUuid; 12590 final String toUuid; 12591 final String packageName; 12592 final String dataAppName; 12593 final int appId; 12594 final String seinfo; 12595 final int targetSdkVersion; 12596 12597 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12598 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12599 this.moveId = moveId; 12600 this.fromUuid = fromUuid; 12601 this.toUuid = toUuid; 12602 this.packageName = packageName; 12603 this.dataAppName = dataAppName; 12604 this.appId = appId; 12605 this.seinfo = seinfo; 12606 this.targetSdkVersion = targetSdkVersion; 12607 } 12608 } 12609 12610 static class VerificationInfo { 12611 /** A constant used to indicate that a uid value is not present. */ 12612 public static final int NO_UID = -1; 12613 12614 /** URI referencing where the package was downloaded from. */ 12615 final Uri originatingUri; 12616 12617 /** HTTP referrer URI associated with the originatingURI. */ 12618 final Uri referrer; 12619 12620 /** UID of the application that the install request originated from. */ 12621 final int originatingUid; 12622 12623 /** UID of application requesting the install */ 12624 final int installerUid; 12625 12626 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12627 this.originatingUri = originatingUri; 12628 this.referrer = referrer; 12629 this.originatingUid = originatingUid; 12630 this.installerUid = installerUid; 12631 } 12632 } 12633 12634 class InstallParams extends HandlerParams { 12635 final OriginInfo origin; 12636 final MoveInfo move; 12637 final IPackageInstallObserver2 observer; 12638 int installFlags; 12639 final String installerPackageName; 12640 final String volumeUuid; 12641 private InstallArgs mArgs; 12642 private int mRet; 12643 final String packageAbiOverride; 12644 final String[] grantedRuntimePermissions; 12645 final VerificationInfo verificationInfo; 12646 final Certificate[][] certificates; 12647 12648 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12649 int installFlags, String installerPackageName, String volumeUuid, 12650 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12651 String[] grantedPermissions, Certificate[][] certificates) { 12652 super(user); 12653 this.origin = origin; 12654 this.move = move; 12655 this.observer = observer; 12656 this.installFlags = installFlags; 12657 this.installerPackageName = installerPackageName; 12658 this.volumeUuid = volumeUuid; 12659 this.verificationInfo = verificationInfo; 12660 this.packageAbiOverride = packageAbiOverride; 12661 this.grantedRuntimePermissions = grantedPermissions; 12662 this.certificates = certificates; 12663 } 12664 12665 @Override 12666 public String toString() { 12667 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12668 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12669 } 12670 12671 private int installLocationPolicy(PackageInfoLite pkgLite) { 12672 String packageName = pkgLite.packageName; 12673 int installLocation = pkgLite.installLocation; 12674 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12675 // reader 12676 synchronized (mPackages) { 12677 // Currently installed package which the new package is attempting to replace or 12678 // null if no such package is installed. 12679 PackageParser.Package installedPkg = mPackages.get(packageName); 12680 // Package which currently owns the data which the new package will own if installed. 12681 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12682 // will be null whereas dataOwnerPkg will contain information about the package 12683 // which was uninstalled while keeping its data. 12684 PackageParser.Package dataOwnerPkg = installedPkg; 12685 if (dataOwnerPkg == null) { 12686 PackageSetting ps = mSettings.mPackages.get(packageName); 12687 if (ps != null) { 12688 dataOwnerPkg = ps.pkg; 12689 } 12690 } 12691 12692 if (dataOwnerPkg != null) { 12693 // If installed, the package will get access to data left on the device by its 12694 // predecessor. As a security measure, this is permited only if this is not a 12695 // version downgrade or if the predecessor package is marked as debuggable and 12696 // a downgrade is explicitly requested. 12697 // 12698 // On debuggable platform builds, downgrades are permitted even for 12699 // non-debuggable packages to make testing easier. Debuggable platform builds do 12700 // not offer security guarantees and thus it's OK to disable some security 12701 // mechanisms to make debugging/testing easier on those builds. However, even on 12702 // debuggable builds downgrades of packages are permitted only if requested via 12703 // installFlags. This is because we aim to keep the behavior of debuggable 12704 // platform builds as close as possible to the behavior of non-debuggable 12705 // platform builds. 12706 final boolean downgradeRequested = 12707 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12708 final boolean packageDebuggable = 12709 (dataOwnerPkg.applicationInfo.flags 12710 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12711 final boolean downgradePermitted = 12712 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12713 if (!downgradePermitted) { 12714 try { 12715 checkDowngrade(dataOwnerPkg, pkgLite); 12716 } catch (PackageManagerException e) { 12717 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12718 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12719 } 12720 } 12721 } 12722 12723 if (installedPkg != null) { 12724 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12725 // Check for updated system application. 12726 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12727 if (onSd) { 12728 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12729 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12730 } 12731 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12732 } else { 12733 if (onSd) { 12734 // Install flag overrides everything. 12735 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12736 } 12737 // If current upgrade specifies particular preference 12738 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12739 // Application explicitly specified internal. 12740 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12741 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12742 // App explictly prefers external. Let policy decide 12743 } else { 12744 // Prefer previous location 12745 if (isExternal(installedPkg)) { 12746 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12747 } 12748 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12749 } 12750 } 12751 } else { 12752 // Invalid install. Return error code 12753 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12754 } 12755 } 12756 } 12757 // All the special cases have been taken care of. 12758 // Return result based on recommended install location. 12759 if (onSd) { 12760 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12761 } 12762 return pkgLite.recommendedInstallLocation; 12763 } 12764 12765 /* 12766 * Invoke remote method to get package information and install 12767 * location values. Override install location based on default 12768 * policy if needed and then create install arguments based 12769 * on the install location. 12770 */ 12771 public void handleStartCopy() throws RemoteException { 12772 int ret = PackageManager.INSTALL_SUCCEEDED; 12773 12774 // If we're already staged, we've firmly committed to an install location 12775 if (origin.staged) { 12776 if (origin.file != null) { 12777 installFlags |= PackageManager.INSTALL_INTERNAL; 12778 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12779 } else if (origin.cid != null) { 12780 installFlags |= PackageManager.INSTALL_EXTERNAL; 12781 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12782 } else { 12783 throw new IllegalStateException("Invalid stage location"); 12784 } 12785 } 12786 12787 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12788 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12789 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12790 PackageInfoLite pkgLite = null; 12791 12792 if (onInt && onSd) { 12793 // Check if both bits are set. 12794 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12795 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12796 } else if (onSd && ephemeral) { 12797 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12798 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12799 } else { 12800 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12801 packageAbiOverride); 12802 12803 if (DEBUG_EPHEMERAL && ephemeral) { 12804 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12805 } 12806 12807 /* 12808 * If we have too little free space, try to free cache 12809 * before giving up. 12810 */ 12811 if (!origin.staged && pkgLite.recommendedInstallLocation 12812 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12813 // TODO: focus freeing disk space on the target device 12814 final StorageManager storage = StorageManager.from(mContext); 12815 final long lowThreshold = storage.getStorageLowBytes( 12816 Environment.getDataDirectory()); 12817 12818 final long sizeBytes = mContainerService.calculateInstalledSize( 12819 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12820 12821 try { 12822 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12823 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12824 installFlags, packageAbiOverride); 12825 } catch (InstallerException e) { 12826 Slog.w(TAG, "Failed to free cache", e); 12827 } 12828 12829 /* 12830 * The cache free must have deleted the file we 12831 * downloaded to install. 12832 * 12833 * TODO: fix the "freeCache" call to not delete 12834 * the file we care about. 12835 */ 12836 if (pkgLite.recommendedInstallLocation 12837 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12838 pkgLite.recommendedInstallLocation 12839 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12840 } 12841 } 12842 } 12843 12844 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12845 int loc = pkgLite.recommendedInstallLocation; 12846 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12847 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12848 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12849 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12850 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12851 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12852 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12853 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12854 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12855 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12856 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12857 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12858 } else { 12859 // Override with defaults if needed. 12860 loc = installLocationPolicy(pkgLite); 12861 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12862 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12863 } else if (!onSd && !onInt) { 12864 // Override install location with flags 12865 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12866 // Set the flag to install on external media. 12867 installFlags |= PackageManager.INSTALL_EXTERNAL; 12868 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12869 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12870 if (DEBUG_EPHEMERAL) { 12871 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12872 } 12873 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12874 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12875 |PackageManager.INSTALL_INTERNAL); 12876 } else { 12877 // Make sure the flag for installing on external 12878 // media is unset 12879 installFlags |= PackageManager.INSTALL_INTERNAL; 12880 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12881 } 12882 } 12883 } 12884 } 12885 12886 final InstallArgs args = createInstallArgs(this); 12887 mArgs = args; 12888 12889 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12890 // TODO: http://b/22976637 12891 // Apps installed for "all" users use the device owner to verify the app 12892 UserHandle verifierUser = getUser(); 12893 if (verifierUser == UserHandle.ALL) { 12894 verifierUser = UserHandle.SYSTEM; 12895 } 12896 12897 /* 12898 * Determine if we have any installed package verifiers. If we 12899 * do, then we'll defer to them to verify the packages. 12900 */ 12901 final int requiredUid = mRequiredVerifierPackage == null ? -1 12902 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12903 verifierUser.getIdentifier()); 12904 if (!origin.existing && requiredUid != -1 12905 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12906 final Intent verification = new Intent( 12907 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12908 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12909 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12910 PACKAGE_MIME_TYPE); 12911 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12912 12913 // Query all live verifiers based on current user state 12914 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12915 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12916 12917 if (DEBUG_VERIFY) { 12918 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12919 + verification.toString() + " with " + pkgLite.verifiers.length 12920 + " optional verifiers"); 12921 } 12922 12923 final int verificationId = mPendingVerificationToken++; 12924 12925 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12926 12927 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12928 installerPackageName); 12929 12930 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12931 installFlags); 12932 12933 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12934 pkgLite.packageName); 12935 12936 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12937 pkgLite.versionCode); 12938 12939 if (verificationInfo != null) { 12940 if (verificationInfo.originatingUri != null) { 12941 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12942 verificationInfo.originatingUri); 12943 } 12944 if (verificationInfo.referrer != null) { 12945 verification.putExtra(Intent.EXTRA_REFERRER, 12946 verificationInfo.referrer); 12947 } 12948 if (verificationInfo.originatingUid >= 0) { 12949 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12950 verificationInfo.originatingUid); 12951 } 12952 if (verificationInfo.installerUid >= 0) { 12953 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12954 verificationInfo.installerUid); 12955 } 12956 } 12957 12958 final PackageVerificationState verificationState = new PackageVerificationState( 12959 requiredUid, args); 12960 12961 mPendingVerification.append(verificationId, verificationState); 12962 12963 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12964 receivers, verificationState); 12965 12966 /* 12967 * If any sufficient verifiers were listed in the package 12968 * manifest, attempt to ask them. 12969 */ 12970 if (sufficientVerifiers != null) { 12971 final int N = sufficientVerifiers.size(); 12972 if (N == 0) { 12973 Slog.i(TAG, "Additional verifiers required, but none installed."); 12974 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12975 } else { 12976 for (int i = 0; i < N; i++) { 12977 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12978 12979 final Intent sufficientIntent = new Intent(verification); 12980 sufficientIntent.setComponent(verifierComponent); 12981 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12982 } 12983 } 12984 } 12985 12986 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12987 mRequiredVerifierPackage, receivers); 12988 if (ret == PackageManager.INSTALL_SUCCEEDED 12989 && mRequiredVerifierPackage != null) { 12990 Trace.asyncTraceBegin( 12991 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12992 /* 12993 * Send the intent to the required verification agent, 12994 * but only start the verification timeout after the 12995 * target BroadcastReceivers have run. 12996 */ 12997 verification.setComponent(requiredVerifierComponent); 12998 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12999 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13000 new BroadcastReceiver() { 13001 @Override 13002 public void onReceive(Context context, Intent intent) { 13003 final Message msg = mHandler 13004 .obtainMessage(CHECK_PENDING_VERIFICATION); 13005 msg.arg1 = verificationId; 13006 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13007 } 13008 }, null, 0, null, null); 13009 13010 /* 13011 * We don't want the copy to proceed until verification 13012 * succeeds, so null out this field. 13013 */ 13014 mArgs = null; 13015 } 13016 } else { 13017 /* 13018 * No package verification is enabled, so immediately start 13019 * the remote call to initiate copy using temporary file. 13020 */ 13021 ret = args.copyApk(mContainerService, true); 13022 } 13023 } 13024 13025 mRet = ret; 13026 } 13027 13028 @Override 13029 void handleReturnCode() { 13030 // If mArgs is null, then MCS couldn't be reached. When it 13031 // reconnects, it will try again to install. At that point, this 13032 // will succeed. 13033 if (mArgs != null) { 13034 processPendingInstall(mArgs, mRet); 13035 } 13036 } 13037 13038 @Override 13039 void handleServiceError() { 13040 mArgs = createInstallArgs(this); 13041 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13042 } 13043 13044 public boolean isForwardLocked() { 13045 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13046 } 13047 } 13048 13049 /** 13050 * Used during creation of InstallArgs 13051 * 13052 * @param installFlags package installation flags 13053 * @return true if should be installed on external storage 13054 */ 13055 private static boolean installOnExternalAsec(int installFlags) { 13056 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13057 return false; 13058 } 13059 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13060 return true; 13061 } 13062 return false; 13063 } 13064 13065 /** 13066 * Used during creation of InstallArgs 13067 * 13068 * @param installFlags package installation flags 13069 * @return true if should be installed as forward locked 13070 */ 13071 private static boolean installForwardLocked(int installFlags) { 13072 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13073 } 13074 13075 private InstallArgs createInstallArgs(InstallParams params) { 13076 if (params.move != null) { 13077 return new MoveInstallArgs(params); 13078 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13079 return new AsecInstallArgs(params); 13080 } else { 13081 return new FileInstallArgs(params); 13082 } 13083 } 13084 13085 /** 13086 * Create args that describe an existing installed package. Typically used 13087 * when cleaning up old installs, or used as a move source. 13088 */ 13089 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13090 String resourcePath, String[] instructionSets) { 13091 final boolean isInAsec; 13092 if (installOnExternalAsec(installFlags)) { 13093 /* Apps on SD card are always in ASEC containers. */ 13094 isInAsec = true; 13095 } else if (installForwardLocked(installFlags) 13096 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13097 /* 13098 * Forward-locked apps are only in ASEC containers if they're the 13099 * new style 13100 */ 13101 isInAsec = true; 13102 } else { 13103 isInAsec = false; 13104 } 13105 13106 if (isInAsec) { 13107 return new AsecInstallArgs(codePath, instructionSets, 13108 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13109 } else { 13110 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13111 } 13112 } 13113 13114 static abstract class InstallArgs { 13115 /** @see InstallParams#origin */ 13116 final OriginInfo origin; 13117 /** @see InstallParams#move */ 13118 final MoveInfo move; 13119 13120 final IPackageInstallObserver2 observer; 13121 // Always refers to PackageManager flags only 13122 final int installFlags; 13123 final String installerPackageName; 13124 final String volumeUuid; 13125 final UserHandle user; 13126 final String abiOverride; 13127 final String[] installGrantPermissions; 13128 /** If non-null, drop an async trace when the install completes */ 13129 final String traceMethod; 13130 final int traceCookie; 13131 final Certificate[][] certificates; 13132 13133 // The list of instruction sets supported by this app. This is currently 13134 // only used during the rmdex() phase to clean up resources. We can get rid of this 13135 // if we move dex files under the common app path. 13136 /* nullable */ String[] instructionSets; 13137 13138 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13139 int installFlags, String installerPackageName, String volumeUuid, 13140 UserHandle user, String[] instructionSets, 13141 String abiOverride, String[] installGrantPermissions, 13142 String traceMethod, int traceCookie, Certificate[][] certificates) { 13143 this.origin = origin; 13144 this.move = move; 13145 this.installFlags = installFlags; 13146 this.observer = observer; 13147 this.installerPackageName = installerPackageName; 13148 this.volumeUuid = volumeUuid; 13149 this.user = user; 13150 this.instructionSets = instructionSets; 13151 this.abiOverride = abiOverride; 13152 this.installGrantPermissions = installGrantPermissions; 13153 this.traceMethod = traceMethod; 13154 this.traceCookie = traceCookie; 13155 this.certificates = certificates; 13156 } 13157 13158 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13159 abstract int doPreInstall(int status); 13160 13161 /** 13162 * Rename package into final resting place. All paths on the given 13163 * scanned package should be updated to reflect the rename. 13164 */ 13165 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13166 abstract int doPostInstall(int status, int uid); 13167 13168 /** @see PackageSettingBase#codePathString */ 13169 abstract String getCodePath(); 13170 /** @see PackageSettingBase#resourcePathString */ 13171 abstract String getResourcePath(); 13172 13173 // Need installer lock especially for dex file removal. 13174 abstract void cleanUpResourcesLI(); 13175 abstract boolean doPostDeleteLI(boolean delete); 13176 13177 /** 13178 * Called before the source arguments are copied. This is used mostly 13179 * for MoveParams when it needs to read the source file to put it in the 13180 * destination. 13181 */ 13182 int doPreCopy() { 13183 return PackageManager.INSTALL_SUCCEEDED; 13184 } 13185 13186 /** 13187 * Called after the source arguments are copied. This is used mostly for 13188 * MoveParams when it needs to read the source file to put it in the 13189 * destination. 13190 */ 13191 int doPostCopy(int uid) { 13192 return PackageManager.INSTALL_SUCCEEDED; 13193 } 13194 13195 protected boolean isFwdLocked() { 13196 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13197 } 13198 13199 protected boolean isExternalAsec() { 13200 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13201 } 13202 13203 protected boolean isEphemeral() { 13204 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13205 } 13206 13207 UserHandle getUser() { 13208 return user; 13209 } 13210 } 13211 13212 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13213 if (!allCodePaths.isEmpty()) { 13214 if (instructionSets == null) { 13215 throw new IllegalStateException("instructionSet == null"); 13216 } 13217 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13218 for (String codePath : allCodePaths) { 13219 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13220 try { 13221 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13222 } catch (InstallerException ignored) { 13223 } 13224 } 13225 } 13226 } 13227 } 13228 13229 /** 13230 * Logic to handle installation of non-ASEC applications, including copying 13231 * and renaming logic. 13232 */ 13233 class FileInstallArgs extends InstallArgs { 13234 private File codeFile; 13235 private File resourceFile; 13236 13237 // Example topology: 13238 // /data/app/com.example/base.apk 13239 // /data/app/com.example/split_foo.apk 13240 // /data/app/com.example/lib/arm/libfoo.so 13241 // /data/app/com.example/lib/arm64/libfoo.so 13242 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13243 13244 /** New install */ 13245 FileInstallArgs(InstallParams params) { 13246 super(params.origin, params.move, params.observer, params.installFlags, 13247 params.installerPackageName, params.volumeUuid, 13248 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13249 params.grantedRuntimePermissions, 13250 params.traceMethod, params.traceCookie, params.certificates); 13251 if (isFwdLocked()) { 13252 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13253 } 13254 } 13255 13256 /** Existing install */ 13257 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13258 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13259 null, null, null, 0, null /*certificates*/); 13260 this.codeFile = (codePath != null) ? new File(codePath) : null; 13261 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13262 } 13263 13264 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13265 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13266 try { 13267 return doCopyApk(imcs, temp); 13268 } finally { 13269 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13270 } 13271 } 13272 13273 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13274 if (origin.staged) { 13275 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13276 codeFile = origin.file; 13277 resourceFile = origin.file; 13278 return PackageManager.INSTALL_SUCCEEDED; 13279 } 13280 13281 try { 13282 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13283 final File tempDir = 13284 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13285 codeFile = tempDir; 13286 resourceFile = tempDir; 13287 } catch (IOException e) { 13288 Slog.w(TAG, "Failed to create copy file: " + e); 13289 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13290 } 13291 13292 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13293 @Override 13294 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13295 if (!FileUtils.isValidExtFilename(name)) { 13296 throw new IllegalArgumentException("Invalid filename: " + name); 13297 } 13298 try { 13299 final File file = new File(codeFile, name); 13300 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13301 O_RDWR | O_CREAT, 0644); 13302 Os.chmod(file.getAbsolutePath(), 0644); 13303 return new ParcelFileDescriptor(fd); 13304 } catch (ErrnoException e) { 13305 throw new RemoteException("Failed to open: " + e.getMessage()); 13306 } 13307 } 13308 }; 13309 13310 int ret = PackageManager.INSTALL_SUCCEEDED; 13311 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13312 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13313 Slog.e(TAG, "Failed to copy package"); 13314 return ret; 13315 } 13316 13317 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13318 NativeLibraryHelper.Handle handle = null; 13319 try { 13320 handle = NativeLibraryHelper.Handle.create(codeFile); 13321 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13322 abiOverride); 13323 } catch (IOException e) { 13324 Slog.e(TAG, "Copying native libraries failed", e); 13325 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13326 } finally { 13327 IoUtils.closeQuietly(handle); 13328 } 13329 13330 return ret; 13331 } 13332 13333 int doPreInstall(int status) { 13334 if (status != PackageManager.INSTALL_SUCCEEDED) { 13335 cleanUp(); 13336 } 13337 return status; 13338 } 13339 13340 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13341 if (status != PackageManager.INSTALL_SUCCEEDED) { 13342 cleanUp(); 13343 return false; 13344 } 13345 13346 final File targetDir = codeFile.getParentFile(); 13347 final File beforeCodeFile = codeFile; 13348 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13349 13350 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13351 try { 13352 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13353 } catch (ErrnoException e) { 13354 Slog.w(TAG, "Failed to rename", e); 13355 return false; 13356 } 13357 13358 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13359 Slog.w(TAG, "Failed to restorecon"); 13360 return false; 13361 } 13362 13363 // Reflect the rename internally 13364 codeFile = afterCodeFile; 13365 resourceFile = afterCodeFile; 13366 13367 // Reflect the rename in scanned details 13368 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13369 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13370 afterCodeFile, pkg.baseCodePath)); 13371 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13372 afterCodeFile, pkg.splitCodePaths)); 13373 13374 // Reflect the rename in app info 13375 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13376 pkg.setApplicationInfoCodePath(pkg.codePath); 13377 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13378 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13379 pkg.setApplicationInfoResourcePath(pkg.codePath); 13380 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13381 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13382 13383 return true; 13384 } 13385 13386 int doPostInstall(int status, int uid) { 13387 if (status != PackageManager.INSTALL_SUCCEEDED) { 13388 cleanUp(); 13389 } 13390 return status; 13391 } 13392 13393 @Override 13394 String getCodePath() { 13395 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13396 } 13397 13398 @Override 13399 String getResourcePath() { 13400 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13401 } 13402 13403 private boolean cleanUp() { 13404 if (codeFile == null || !codeFile.exists()) { 13405 return false; 13406 } 13407 13408 removeCodePathLI(codeFile); 13409 13410 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13411 resourceFile.delete(); 13412 } 13413 13414 return true; 13415 } 13416 13417 void cleanUpResourcesLI() { 13418 // Try enumerating all code paths before deleting 13419 List<String> allCodePaths = Collections.EMPTY_LIST; 13420 if (codeFile != null && codeFile.exists()) { 13421 try { 13422 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13423 allCodePaths = pkg.getAllCodePaths(); 13424 } catch (PackageParserException e) { 13425 // Ignored; we tried our best 13426 } 13427 } 13428 13429 cleanUp(); 13430 removeDexFiles(allCodePaths, instructionSets); 13431 } 13432 13433 boolean doPostDeleteLI(boolean delete) { 13434 // XXX err, shouldn't we respect the delete flag? 13435 cleanUpResourcesLI(); 13436 return true; 13437 } 13438 } 13439 13440 private boolean isAsecExternal(String cid) { 13441 final String asecPath = PackageHelper.getSdFilesystem(cid); 13442 return !asecPath.startsWith(mAsecInternalPath); 13443 } 13444 13445 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13446 PackageManagerException { 13447 if (copyRet < 0) { 13448 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13449 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13450 throw new PackageManagerException(copyRet, message); 13451 } 13452 } 13453 } 13454 13455 /** 13456 * Extract the MountService "container ID" from the full code path of an 13457 * .apk. 13458 */ 13459 static String cidFromCodePath(String fullCodePath) { 13460 int eidx = fullCodePath.lastIndexOf("/"); 13461 String subStr1 = fullCodePath.substring(0, eidx); 13462 int sidx = subStr1.lastIndexOf("/"); 13463 return subStr1.substring(sidx+1, eidx); 13464 } 13465 13466 /** 13467 * Logic to handle installation of ASEC applications, including copying and 13468 * renaming logic. 13469 */ 13470 class AsecInstallArgs extends InstallArgs { 13471 static final String RES_FILE_NAME = "pkg.apk"; 13472 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13473 13474 String cid; 13475 String packagePath; 13476 String resourcePath; 13477 13478 /** New install */ 13479 AsecInstallArgs(InstallParams params) { 13480 super(params.origin, params.move, params.observer, params.installFlags, 13481 params.installerPackageName, params.volumeUuid, 13482 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13483 params.grantedRuntimePermissions, 13484 params.traceMethod, params.traceCookie, params.certificates); 13485 } 13486 13487 /** Existing install */ 13488 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13489 boolean isExternal, boolean isForwardLocked) { 13490 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13491 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13492 instructionSets, null, null, null, 0, null /*certificates*/); 13493 // Hackily pretend we're still looking at a full code path 13494 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13495 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13496 } 13497 13498 // Extract cid from fullCodePath 13499 int eidx = fullCodePath.lastIndexOf("/"); 13500 String subStr1 = fullCodePath.substring(0, eidx); 13501 int sidx = subStr1.lastIndexOf("/"); 13502 cid = subStr1.substring(sidx+1, eidx); 13503 setMountPath(subStr1); 13504 } 13505 13506 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13507 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13508 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13509 instructionSets, null, null, null, 0, null /*certificates*/); 13510 this.cid = cid; 13511 setMountPath(PackageHelper.getSdDir(cid)); 13512 } 13513 13514 void createCopyFile() { 13515 cid = mInstallerService.allocateExternalStageCidLegacy(); 13516 } 13517 13518 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13519 if (origin.staged && origin.cid != null) { 13520 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13521 cid = origin.cid; 13522 setMountPath(PackageHelper.getSdDir(cid)); 13523 return PackageManager.INSTALL_SUCCEEDED; 13524 } 13525 13526 if (temp) { 13527 createCopyFile(); 13528 } else { 13529 /* 13530 * Pre-emptively destroy the container since it's destroyed if 13531 * copying fails due to it existing anyway. 13532 */ 13533 PackageHelper.destroySdDir(cid); 13534 } 13535 13536 final String newMountPath = imcs.copyPackageToContainer( 13537 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13538 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13539 13540 if (newMountPath != null) { 13541 setMountPath(newMountPath); 13542 return PackageManager.INSTALL_SUCCEEDED; 13543 } else { 13544 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13545 } 13546 } 13547 13548 @Override 13549 String getCodePath() { 13550 return packagePath; 13551 } 13552 13553 @Override 13554 String getResourcePath() { 13555 return resourcePath; 13556 } 13557 13558 int doPreInstall(int status) { 13559 if (status != PackageManager.INSTALL_SUCCEEDED) { 13560 // Destroy container 13561 PackageHelper.destroySdDir(cid); 13562 } else { 13563 boolean mounted = PackageHelper.isContainerMounted(cid); 13564 if (!mounted) { 13565 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13566 Process.SYSTEM_UID); 13567 if (newMountPath != null) { 13568 setMountPath(newMountPath); 13569 } else { 13570 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13571 } 13572 } 13573 } 13574 return status; 13575 } 13576 13577 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13578 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13579 String newMountPath = null; 13580 if (PackageHelper.isContainerMounted(cid)) { 13581 // Unmount the container 13582 if (!PackageHelper.unMountSdDir(cid)) { 13583 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13584 return false; 13585 } 13586 } 13587 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13588 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13589 " which might be stale. Will try to clean up."); 13590 // Clean up the stale container and proceed to recreate. 13591 if (!PackageHelper.destroySdDir(newCacheId)) { 13592 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13593 return false; 13594 } 13595 // Successfully cleaned up stale container. Try to rename again. 13596 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13597 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13598 + " inspite of cleaning it up."); 13599 return false; 13600 } 13601 } 13602 if (!PackageHelper.isContainerMounted(newCacheId)) { 13603 Slog.w(TAG, "Mounting container " + newCacheId); 13604 newMountPath = PackageHelper.mountSdDir(newCacheId, 13605 getEncryptKey(), Process.SYSTEM_UID); 13606 } else { 13607 newMountPath = PackageHelper.getSdDir(newCacheId); 13608 } 13609 if (newMountPath == null) { 13610 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13611 return false; 13612 } 13613 Log.i(TAG, "Succesfully renamed " + cid + 13614 " to " + newCacheId + 13615 " at new path: " + newMountPath); 13616 cid = newCacheId; 13617 13618 final File beforeCodeFile = new File(packagePath); 13619 setMountPath(newMountPath); 13620 final File afterCodeFile = new File(packagePath); 13621 13622 // Reflect the rename in scanned details 13623 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13624 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13625 afterCodeFile, pkg.baseCodePath)); 13626 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13627 afterCodeFile, pkg.splitCodePaths)); 13628 13629 // Reflect the rename in app info 13630 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13631 pkg.setApplicationInfoCodePath(pkg.codePath); 13632 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13633 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13634 pkg.setApplicationInfoResourcePath(pkg.codePath); 13635 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13636 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13637 13638 return true; 13639 } 13640 13641 private void setMountPath(String mountPath) { 13642 final File mountFile = new File(mountPath); 13643 13644 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13645 if (monolithicFile.exists()) { 13646 packagePath = monolithicFile.getAbsolutePath(); 13647 if (isFwdLocked()) { 13648 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13649 } else { 13650 resourcePath = packagePath; 13651 } 13652 } else { 13653 packagePath = mountFile.getAbsolutePath(); 13654 resourcePath = packagePath; 13655 } 13656 } 13657 13658 int doPostInstall(int status, int uid) { 13659 if (status != PackageManager.INSTALL_SUCCEEDED) { 13660 cleanUp(); 13661 } else { 13662 final int groupOwner; 13663 final String protectedFile; 13664 if (isFwdLocked()) { 13665 groupOwner = UserHandle.getSharedAppGid(uid); 13666 protectedFile = RES_FILE_NAME; 13667 } else { 13668 groupOwner = -1; 13669 protectedFile = null; 13670 } 13671 13672 if (uid < Process.FIRST_APPLICATION_UID 13673 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13674 Slog.e(TAG, "Failed to finalize " + cid); 13675 PackageHelper.destroySdDir(cid); 13676 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13677 } 13678 13679 boolean mounted = PackageHelper.isContainerMounted(cid); 13680 if (!mounted) { 13681 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13682 } 13683 } 13684 return status; 13685 } 13686 13687 private void cleanUp() { 13688 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13689 13690 // Destroy secure container 13691 PackageHelper.destroySdDir(cid); 13692 } 13693 13694 private List<String> getAllCodePaths() { 13695 final File codeFile = new File(getCodePath()); 13696 if (codeFile != null && codeFile.exists()) { 13697 try { 13698 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13699 return pkg.getAllCodePaths(); 13700 } catch (PackageParserException e) { 13701 // Ignored; we tried our best 13702 } 13703 } 13704 return Collections.EMPTY_LIST; 13705 } 13706 13707 void cleanUpResourcesLI() { 13708 // Enumerate all code paths before deleting 13709 cleanUpResourcesLI(getAllCodePaths()); 13710 } 13711 13712 private void cleanUpResourcesLI(List<String> allCodePaths) { 13713 cleanUp(); 13714 removeDexFiles(allCodePaths, instructionSets); 13715 } 13716 13717 String getPackageName() { 13718 return getAsecPackageName(cid); 13719 } 13720 13721 boolean doPostDeleteLI(boolean delete) { 13722 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13723 final List<String> allCodePaths = getAllCodePaths(); 13724 boolean mounted = PackageHelper.isContainerMounted(cid); 13725 if (mounted) { 13726 // Unmount first 13727 if (PackageHelper.unMountSdDir(cid)) { 13728 mounted = false; 13729 } 13730 } 13731 if (!mounted && delete) { 13732 cleanUpResourcesLI(allCodePaths); 13733 } 13734 return !mounted; 13735 } 13736 13737 @Override 13738 int doPreCopy() { 13739 if (isFwdLocked()) { 13740 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13741 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13742 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13743 } 13744 } 13745 13746 return PackageManager.INSTALL_SUCCEEDED; 13747 } 13748 13749 @Override 13750 int doPostCopy(int uid) { 13751 if (isFwdLocked()) { 13752 if (uid < Process.FIRST_APPLICATION_UID 13753 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13754 RES_FILE_NAME)) { 13755 Slog.e(TAG, "Failed to finalize " + cid); 13756 PackageHelper.destroySdDir(cid); 13757 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13758 } 13759 } 13760 13761 return PackageManager.INSTALL_SUCCEEDED; 13762 } 13763 } 13764 13765 /** 13766 * Logic to handle movement of existing installed applications. 13767 */ 13768 class MoveInstallArgs extends InstallArgs { 13769 private File codeFile; 13770 private File resourceFile; 13771 13772 /** New install */ 13773 MoveInstallArgs(InstallParams params) { 13774 super(params.origin, params.move, params.observer, params.installFlags, 13775 params.installerPackageName, params.volumeUuid, 13776 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13777 params.grantedRuntimePermissions, 13778 params.traceMethod, params.traceCookie, params.certificates); 13779 } 13780 13781 int copyApk(IMediaContainerService imcs, boolean temp) { 13782 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13783 + move.fromUuid + " to " + move.toUuid); 13784 synchronized (mInstaller) { 13785 try { 13786 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13787 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13788 } catch (InstallerException e) { 13789 Slog.w(TAG, "Failed to move app", e); 13790 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13791 } 13792 } 13793 13794 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13795 resourceFile = codeFile; 13796 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13797 13798 return PackageManager.INSTALL_SUCCEEDED; 13799 } 13800 13801 int doPreInstall(int status) { 13802 if (status != PackageManager.INSTALL_SUCCEEDED) { 13803 cleanUp(move.toUuid); 13804 } 13805 return status; 13806 } 13807 13808 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13809 if (status != PackageManager.INSTALL_SUCCEEDED) { 13810 cleanUp(move.toUuid); 13811 return false; 13812 } 13813 13814 // Reflect the move in app info 13815 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13816 pkg.setApplicationInfoCodePath(pkg.codePath); 13817 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13818 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13819 pkg.setApplicationInfoResourcePath(pkg.codePath); 13820 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13821 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13822 13823 return true; 13824 } 13825 13826 int doPostInstall(int status, int uid) { 13827 if (status == PackageManager.INSTALL_SUCCEEDED) { 13828 cleanUp(move.fromUuid); 13829 } else { 13830 cleanUp(move.toUuid); 13831 } 13832 return status; 13833 } 13834 13835 @Override 13836 String getCodePath() { 13837 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13838 } 13839 13840 @Override 13841 String getResourcePath() { 13842 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13843 } 13844 13845 private boolean cleanUp(String volumeUuid) { 13846 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13847 move.dataAppName); 13848 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13849 final int[] userIds = sUserManager.getUserIds(); 13850 synchronized (mInstallLock) { 13851 // Clean up both app data and code 13852 // All package moves are frozen until finished 13853 for (int userId : userIds) { 13854 try { 13855 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13856 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13857 } catch (InstallerException e) { 13858 Slog.w(TAG, String.valueOf(e)); 13859 } 13860 } 13861 removeCodePathLI(codeFile); 13862 } 13863 return true; 13864 } 13865 13866 void cleanUpResourcesLI() { 13867 throw new UnsupportedOperationException(); 13868 } 13869 13870 boolean doPostDeleteLI(boolean delete) { 13871 throw new UnsupportedOperationException(); 13872 } 13873 } 13874 13875 static String getAsecPackageName(String packageCid) { 13876 int idx = packageCid.lastIndexOf("-"); 13877 if (idx == -1) { 13878 return packageCid; 13879 } 13880 return packageCid.substring(0, idx); 13881 } 13882 13883 // Utility method used to create code paths based on package name and available index. 13884 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13885 String idxStr = ""; 13886 int idx = 1; 13887 // Fall back to default value of idx=1 if prefix is not 13888 // part of oldCodePath 13889 if (oldCodePath != null) { 13890 String subStr = oldCodePath; 13891 // Drop the suffix right away 13892 if (suffix != null && subStr.endsWith(suffix)) { 13893 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13894 } 13895 // If oldCodePath already contains prefix find out the 13896 // ending index to either increment or decrement. 13897 int sidx = subStr.lastIndexOf(prefix); 13898 if (sidx != -1) { 13899 subStr = subStr.substring(sidx + prefix.length()); 13900 if (subStr != null) { 13901 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13902 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13903 } 13904 try { 13905 idx = Integer.parseInt(subStr); 13906 if (idx <= 1) { 13907 idx++; 13908 } else { 13909 idx--; 13910 } 13911 } catch(NumberFormatException e) { 13912 } 13913 } 13914 } 13915 } 13916 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13917 return prefix + idxStr; 13918 } 13919 13920 private File getNextCodePath(File targetDir, String packageName) { 13921 int suffix = 1; 13922 File result; 13923 do { 13924 result = new File(targetDir, packageName + "-" + suffix); 13925 suffix++; 13926 } while (result.exists()); 13927 return result; 13928 } 13929 13930 // Utility method that returns the relative package path with respect 13931 // to the installation directory. Like say for /data/data/com.test-1.apk 13932 // string com.test-1 is returned. 13933 static String deriveCodePathName(String codePath) { 13934 if (codePath == null) { 13935 return null; 13936 } 13937 final File codeFile = new File(codePath); 13938 final String name = codeFile.getName(); 13939 if (codeFile.isDirectory()) { 13940 return name; 13941 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13942 final int lastDot = name.lastIndexOf('.'); 13943 return name.substring(0, lastDot); 13944 } else { 13945 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13946 return null; 13947 } 13948 } 13949 13950 static class PackageInstalledInfo { 13951 String name; 13952 int uid; 13953 // The set of users that originally had this package installed. 13954 int[] origUsers; 13955 // The set of users that now have this package installed. 13956 int[] newUsers; 13957 PackageParser.Package pkg; 13958 int returnCode; 13959 String returnMsg; 13960 PackageRemovedInfo removedInfo; 13961 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13962 13963 public void setError(int code, String msg) { 13964 setReturnCode(code); 13965 setReturnMessage(msg); 13966 Slog.w(TAG, msg); 13967 } 13968 13969 public void setError(String msg, PackageParserException e) { 13970 setReturnCode(e.error); 13971 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13972 Slog.w(TAG, msg, e); 13973 } 13974 13975 public void setError(String msg, PackageManagerException e) { 13976 returnCode = e.error; 13977 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13978 Slog.w(TAG, msg, e); 13979 } 13980 13981 public void setReturnCode(int returnCode) { 13982 this.returnCode = returnCode; 13983 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13984 for (int i = 0; i < childCount; i++) { 13985 addedChildPackages.valueAt(i).returnCode = returnCode; 13986 } 13987 } 13988 13989 private void setReturnMessage(String returnMsg) { 13990 this.returnMsg = returnMsg; 13991 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13992 for (int i = 0; i < childCount; i++) { 13993 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13994 } 13995 } 13996 13997 // In some error cases we want to convey more info back to the observer 13998 String origPackage; 13999 String origPermission; 14000 } 14001 14002 /* 14003 * Install a non-existing package. 14004 */ 14005 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14006 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14007 PackageInstalledInfo res) { 14008 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14009 14010 // Remember this for later, in case we need to rollback this install 14011 String pkgName = pkg.packageName; 14012 14013 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14014 14015 synchronized(mPackages) { 14016 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14017 // A package with the same name is already installed, though 14018 // it has been renamed to an older name. The package we 14019 // are trying to install should be installed as an update to 14020 // the existing one, but that has not been requested, so bail. 14021 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14022 + " without first uninstalling package running as " 14023 + mSettings.mRenamedPackages.get(pkgName)); 14024 return; 14025 } 14026 if (mPackages.containsKey(pkgName)) { 14027 // Don't allow installation over an existing package with the same name. 14028 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14029 + " without first uninstalling."); 14030 return; 14031 } 14032 } 14033 14034 try { 14035 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14036 System.currentTimeMillis(), user); 14037 14038 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14039 14040 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14041 prepareAppDataAfterInstallLIF(newPackage); 14042 14043 } else { 14044 // Remove package from internal structures, but keep around any 14045 // data that might have already existed 14046 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14047 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14048 } 14049 } catch (PackageManagerException e) { 14050 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14051 } 14052 14053 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14054 } 14055 14056 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14057 // Can't rotate keys during boot or if sharedUser. 14058 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14059 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14060 return false; 14061 } 14062 // app is using upgradeKeySets; make sure all are valid 14063 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14064 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14065 for (int i = 0; i < upgradeKeySets.length; i++) { 14066 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14067 Slog.wtf(TAG, "Package " 14068 + (oldPs.name != null ? oldPs.name : "<null>") 14069 + " contains upgrade-key-set reference to unknown key-set: " 14070 + upgradeKeySets[i] 14071 + " reverting to signatures check."); 14072 return false; 14073 } 14074 } 14075 return true; 14076 } 14077 14078 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14079 // Upgrade keysets are being used. Determine if new package has a superset of the 14080 // required keys. 14081 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14082 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14083 for (int i = 0; i < upgradeKeySets.length; i++) { 14084 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14085 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14086 return true; 14087 } 14088 } 14089 return false; 14090 } 14091 14092 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14093 try (DigestInputStream digestStream = 14094 new DigestInputStream(new FileInputStream(file), digest)) { 14095 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14096 } 14097 } 14098 14099 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14100 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14101 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14102 14103 final PackageParser.Package oldPackage; 14104 final String pkgName = pkg.packageName; 14105 final int[] allUsers; 14106 final int[] installedUsers; 14107 14108 synchronized(mPackages) { 14109 oldPackage = mPackages.get(pkgName); 14110 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14111 14112 // don't allow upgrade to target a release SDK from a pre-release SDK 14113 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14114 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14115 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14116 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14117 if (oldTargetsPreRelease 14118 && !newTargetsPreRelease 14119 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14120 Slog.w(TAG, "Can't install package targeting released sdk"); 14121 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14122 return; 14123 } 14124 14125 // don't allow an upgrade from full to ephemeral 14126 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14127 if (isEphemeral && !oldIsEphemeral) { 14128 // can't downgrade from full to ephemeral 14129 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14130 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14131 return; 14132 } 14133 14134 // verify signatures are valid 14135 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14136 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14137 if (!checkUpgradeKeySetLP(ps, pkg)) { 14138 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14139 "New package not signed by keys specified by upgrade-keysets: " 14140 + pkgName); 14141 return; 14142 } 14143 } else { 14144 // default to original signature matching 14145 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14146 != PackageManager.SIGNATURE_MATCH) { 14147 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14148 "New package has a different signature: " + pkgName); 14149 return; 14150 } 14151 } 14152 14153 // don't allow a system upgrade unless the upgrade hash matches 14154 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14155 byte[] digestBytes = null; 14156 try { 14157 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14158 updateDigest(digest, new File(pkg.baseCodePath)); 14159 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14160 for (String path : pkg.splitCodePaths) { 14161 updateDigest(digest, new File(path)); 14162 } 14163 } 14164 digestBytes = digest.digest(); 14165 } catch (NoSuchAlgorithmException | IOException e) { 14166 res.setError(INSTALL_FAILED_INVALID_APK, 14167 "Could not compute hash: " + pkgName); 14168 return; 14169 } 14170 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14171 res.setError(INSTALL_FAILED_INVALID_APK, 14172 "New package fails restrict-update check: " + pkgName); 14173 return; 14174 } 14175 // retain upgrade restriction 14176 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14177 } 14178 14179 // Check for shared user id changes 14180 String invalidPackageName = 14181 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14182 if (invalidPackageName != null) { 14183 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14184 "Package " + invalidPackageName + " tried to change user " 14185 + oldPackage.mSharedUserId); 14186 return; 14187 } 14188 14189 // In case of rollback, remember per-user/profile install state 14190 allUsers = sUserManager.getUserIds(); 14191 installedUsers = ps.queryInstalledUsers(allUsers, true); 14192 } 14193 14194 // Update what is removed 14195 res.removedInfo = new PackageRemovedInfo(); 14196 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14197 res.removedInfo.removedPackage = oldPackage.packageName; 14198 res.removedInfo.isUpdate = true; 14199 res.removedInfo.origUsers = installedUsers; 14200 final int childCount = (oldPackage.childPackages != null) 14201 ? oldPackage.childPackages.size() : 0; 14202 for (int i = 0; i < childCount; i++) { 14203 boolean childPackageUpdated = false; 14204 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14205 if (res.addedChildPackages != null) { 14206 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14207 if (childRes != null) { 14208 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14209 childRes.removedInfo.removedPackage = childPkg.packageName; 14210 childRes.removedInfo.isUpdate = true; 14211 childPackageUpdated = true; 14212 } 14213 } 14214 if (!childPackageUpdated) { 14215 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14216 childRemovedRes.removedPackage = childPkg.packageName; 14217 childRemovedRes.isUpdate = false; 14218 childRemovedRes.dataRemoved = true; 14219 synchronized (mPackages) { 14220 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14221 if (childPs != null) { 14222 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14223 } 14224 } 14225 if (res.removedInfo.removedChildPackages == null) { 14226 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14227 } 14228 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14229 } 14230 } 14231 14232 boolean sysPkg = (isSystemApp(oldPackage)); 14233 if (sysPkg) { 14234 // Set the system/privileged flags as needed 14235 final boolean privileged = 14236 (oldPackage.applicationInfo.privateFlags 14237 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14238 final int systemPolicyFlags = policyFlags 14239 | PackageParser.PARSE_IS_SYSTEM 14240 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14241 14242 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14243 user, allUsers, installerPackageName, res); 14244 } else { 14245 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14246 user, allUsers, installerPackageName, res); 14247 } 14248 } 14249 14250 public List<String> getPreviousCodePaths(String packageName) { 14251 final PackageSetting ps = mSettings.mPackages.get(packageName); 14252 final List<String> result = new ArrayList<String>(); 14253 if (ps != null && ps.oldCodePaths != null) { 14254 result.addAll(ps.oldCodePaths); 14255 } 14256 return result; 14257 } 14258 14259 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14260 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14261 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14262 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14263 + deletedPackage); 14264 14265 String pkgName = deletedPackage.packageName; 14266 boolean deletedPkg = true; 14267 boolean addedPkg = false; 14268 boolean updatedSettings = false; 14269 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14270 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14271 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14272 14273 final long origUpdateTime = (pkg.mExtras != null) 14274 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14275 14276 // First delete the existing package while retaining the data directory 14277 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14278 res.removedInfo, true, pkg)) { 14279 // If the existing package wasn't successfully deleted 14280 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14281 deletedPkg = false; 14282 } else { 14283 // Successfully deleted the old package; proceed with replace. 14284 14285 // If deleted package lived in a container, give users a chance to 14286 // relinquish resources before killing. 14287 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14288 if (DEBUG_INSTALL) { 14289 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14290 } 14291 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14292 final ArrayList<String> pkgList = new ArrayList<String>(1); 14293 pkgList.add(deletedPackage.applicationInfo.packageName); 14294 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14295 } 14296 14297 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14298 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14299 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14300 14301 try { 14302 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14303 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14304 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14305 14306 // Update the in-memory copy of the previous code paths. 14307 PackageSetting ps = mSettings.mPackages.get(pkgName); 14308 if (!killApp) { 14309 if (ps.oldCodePaths == null) { 14310 ps.oldCodePaths = new ArraySet<>(); 14311 } 14312 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14313 if (deletedPackage.splitCodePaths != null) { 14314 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14315 } 14316 } else { 14317 ps.oldCodePaths = null; 14318 } 14319 if (ps.childPackageNames != null) { 14320 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14321 final String childPkgName = ps.childPackageNames.get(i); 14322 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14323 childPs.oldCodePaths = ps.oldCodePaths; 14324 } 14325 } 14326 prepareAppDataAfterInstallLIF(newPackage); 14327 addedPkg = true; 14328 } catch (PackageManagerException e) { 14329 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14330 } 14331 } 14332 14333 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14334 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14335 14336 // Revert all internal state mutations and added folders for the failed install 14337 if (addedPkg) { 14338 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14339 res.removedInfo, true, null); 14340 } 14341 14342 // Restore the old package 14343 if (deletedPkg) { 14344 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14345 File restoreFile = new File(deletedPackage.codePath); 14346 // Parse old package 14347 boolean oldExternal = isExternal(deletedPackage); 14348 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14349 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14350 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14351 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14352 try { 14353 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14354 null); 14355 } catch (PackageManagerException e) { 14356 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14357 + e.getMessage()); 14358 return; 14359 } 14360 14361 synchronized (mPackages) { 14362 // Ensure the installer package name up to date 14363 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14364 14365 // Update permissions for restored package 14366 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14367 14368 mSettings.writeLPr(); 14369 } 14370 14371 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14372 } 14373 } else { 14374 synchronized (mPackages) { 14375 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14376 if (ps != null) { 14377 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14378 if (res.removedInfo.removedChildPackages != null) { 14379 final int childCount = res.removedInfo.removedChildPackages.size(); 14380 // Iterate in reverse as we may modify the collection 14381 for (int i = childCount - 1; i >= 0; i--) { 14382 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14383 if (res.addedChildPackages.containsKey(childPackageName)) { 14384 res.removedInfo.removedChildPackages.removeAt(i); 14385 } else { 14386 PackageRemovedInfo childInfo = res.removedInfo 14387 .removedChildPackages.valueAt(i); 14388 childInfo.removedForAllUsers = mPackages.get( 14389 childInfo.removedPackage) == null; 14390 } 14391 } 14392 } 14393 } 14394 } 14395 } 14396 } 14397 14398 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14399 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14400 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14401 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14402 + ", old=" + deletedPackage); 14403 14404 final boolean disabledSystem; 14405 14406 // Remove existing system package 14407 removePackageLI(deletedPackage, true); 14408 14409 synchronized (mPackages) { 14410 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14411 } 14412 if (!disabledSystem) { 14413 // We didn't need to disable the .apk as a current system package, 14414 // which means we are replacing another update that is already 14415 // installed. We need to make sure to delete the older one's .apk. 14416 res.removedInfo.args = createInstallArgsForExisting(0, 14417 deletedPackage.applicationInfo.getCodePath(), 14418 deletedPackage.applicationInfo.getResourcePath(), 14419 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14420 } else { 14421 res.removedInfo.args = null; 14422 } 14423 14424 // Successfully disabled the old package. Now proceed with re-installation 14425 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14426 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14427 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14428 14429 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14430 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14431 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14432 14433 PackageParser.Package newPackage = null; 14434 try { 14435 // Add the package to the internal data structures 14436 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14437 14438 // Set the update and install times 14439 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14440 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14441 System.currentTimeMillis()); 14442 14443 // Update the package dynamic state if succeeded 14444 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14445 // Now that the install succeeded make sure we remove data 14446 // directories for any child package the update removed. 14447 final int deletedChildCount = (deletedPackage.childPackages != null) 14448 ? deletedPackage.childPackages.size() : 0; 14449 final int newChildCount = (newPackage.childPackages != null) 14450 ? newPackage.childPackages.size() : 0; 14451 for (int i = 0; i < deletedChildCount; i++) { 14452 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14453 boolean childPackageDeleted = true; 14454 for (int j = 0; j < newChildCount; j++) { 14455 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14456 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14457 childPackageDeleted = false; 14458 break; 14459 } 14460 } 14461 if (childPackageDeleted) { 14462 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14463 deletedChildPkg.packageName); 14464 if (ps != null && res.removedInfo.removedChildPackages != null) { 14465 PackageRemovedInfo removedChildRes = res.removedInfo 14466 .removedChildPackages.get(deletedChildPkg.packageName); 14467 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14468 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14469 } 14470 } 14471 } 14472 14473 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14474 prepareAppDataAfterInstallLIF(newPackage); 14475 } 14476 } catch (PackageManagerException e) { 14477 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14478 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14479 } 14480 14481 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14482 // Re installation failed. Restore old information 14483 // Remove new pkg information 14484 if (newPackage != null) { 14485 removeInstalledPackageLI(newPackage, true); 14486 } 14487 // Add back the old system package 14488 try { 14489 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14490 } catch (PackageManagerException e) { 14491 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14492 } 14493 14494 synchronized (mPackages) { 14495 if (disabledSystem) { 14496 enableSystemPackageLPw(deletedPackage); 14497 } 14498 14499 // Ensure the installer package name up to date 14500 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14501 14502 // Update permissions for restored package 14503 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14504 14505 mSettings.writeLPr(); 14506 } 14507 14508 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14509 + " after failed upgrade"); 14510 } 14511 } 14512 14513 /** 14514 * Checks whether the parent or any of the child packages have a change shared 14515 * user. For a package to be a valid update the shred users of the parent and 14516 * the children should match. We may later support changing child shared users. 14517 * @param oldPkg The updated package. 14518 * @param newPkg The update package. 14519 * @return The shared user that change between the versions. 14520 */ 14521 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14522 PackageParser.Package newPkg) { 14523 // Check parent shared user 14524 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14525 return newPkg.packageName; 14526 } 14527 // Check child shared users 14528 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14529 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14530 for (int i = 0; i < newChildCount; i++) { 14531 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14532 // If this child was present, did it have the same shared user? 14533 for (int j = 0; j < oldChildCount; j++) { 14534 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14535 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14536 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14537 return newChildPkg.packageName; 14538 } 14539 } 14540 } 14541 return null; 14542 } 14543 14544 private void removeNativeBinariesLI(PackageSetting ps) { 14545 // Remove the lib path for the parent package 14546 if (ps != null) { 14547 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14548 // Remove the lib path for the child packages 14549 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14550 for (int i = 0; i < childCount; i++) { 14551 PackageSetting childPs = null; 14552 synchronized (mPackages) { 14553 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14554 } 14555 if (childPs != null) { 14556 NativeLibraryHelper.removeNativeBinariesLI(childPs 14557 .legacyNativeLibraryPathString); 14558 } 14559 } 14560 } 14561 } 14562 14563 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14564 // Enable the parent package 14565 mSettings.enableSystemPackageLPw(pkg.packageName); 14566 // Enable the child packages 14567 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14568 for (int i = 0; i < childCount; i++) { 14569 PackageParser.Package childPkg = pkg.childPackages.get(i); 14570 mSettings.enableSystemPackageLPw(childPkg.packageName); 14571 } 14572 } 14573 14574 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14575 PackageParser.Package newPkg) { 14576 // Disable the parent package (parent always replaced) 14577 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14578 // Disable the child packages 14579 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14580 for (int i = 0; i < childCount; i++) { 14581 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14582 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14583 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14584 } 14585 return disabled; 14586 } 14587 14588 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14589 String installerPackageName) { 14590 // Enable the parent package 14591 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14592 // Enable the child packages 14593 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14594 for (int i = 0; i < childCount; i++) { 14595 PackageParser.Package childPkg = pkg.childPackages.get(i); 14596 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14597 } 14598 } 14599 14600 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14601 // Collect all used permissions in the UID 14602 ArraySet<String> usedPermissions = new ArraySet<>(); 14603 final int packageCount = su.packages.size(); 14604 for (int i = 0; i < packageCount; i++) { 14605 PackageSetting ps = su.packages.valueAt(i); 14606 if (ps.pkg == null) { 14607 continue; 14608 } 14609 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14610 for (int j = 0; j < requestedPermCount; j++) { 14611 String permission = ps.pkg.requestedPermissions.get(j); 14612 BasePermission bp = mSettings.mPermissions.get(permission); 14613 if (bp != null) { 14614 usedPermissions.add(permission); 14615 } 14616 } 14617 } 14618 14619 PermissionsState permissionsState = su.getPermissionsState(); 14620 // Prune install permissions 14621 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14622 final int installPermCount = installPermStates.size(); 14623 for (int i = installPermCount - 1; i >= 0; i--) { 14624 PermissionState permissionState = installPermStates.get(i); 14625 if (!usedPermissions.contains(permissionState.getName())) { 14626 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14627 if (bp != null) { 14628 permissionsState.revokeInstallPermission(bp); 14629 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14630 PackageManager.MASK_PERMISSION_FLAGS, 0); 14631 } 14632 } 14633 } 14634 14635 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14636 14637 // Prune runtime permissions 14638 for (int userId : allUserIds) { 14639 List<PermissionState> runtimePermStates = permissionsState 14640 .getRuntimePermissionStates(userId); 14641 final int runtimePermCount = runtimePermStates.size(); 14642 for (int i = runtimePermCount - 1; i >= 0; i--) { 14643 PermissionState permissionState = runtimePermStates.get(i); 14644 if (!usedPermissions.contains(permissionState.getName())) { 14645 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14646 if (bp != null) { 14647 permissionsState.revokeRuntimePermission(bp, userId); 14648 permissionsState.updatePermissionFlags(bp, userId, 14649 PackageManager.MASK_PERMISSION_FLAGS, 0); 14650 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14651 runtimePermissionChangedUserIds, userId); 14652 } 14653 } 14654 } 14655 } 14656 14657 return runtimePermissionChangedUserIds; 14658 } 14659 14660 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14661 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14662 // Update the parent package setting 14663 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14664 res, user); 14665 // Update the child packages setting 14666 final int childCount = (newPackage.childPackages != null) 14667 ? newPackage.childPackages.size() : 0; 14668 for (int i = 0; i < childCount; i++) { 14669 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14670 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14671 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14672 childRes.origUsers, childRes, user); 14673 } 14674 } 14675 14676 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14677 String installerPackageName, int[] allUsers, int[] installedForUsers, 14678 PackageInstalledInfo res, UserHandle user) { 14679 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14680 14681 String pkgName = newPackage.packageName; 14682 synchronized (mPackages) { 14683 //write settings. the installStatus will be incomplete at this stage. 14684 //note that the new package setting would have already been 14685 //added to mPackages. It hasn't been persisted yet. 14686 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14687 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14688 mSettings.writeLPr(); 14689 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14690 } 14691 14692 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14693 synchronized (mPackages) { 14694 updatePermissionsLPw(newPackage.packageName, newPackage, 14695 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14696 ? UPDATE_PERMISSIONS_ALL : 0)); 14697 // For system-bundled packages, we assume that installing an upgraded version 14698 // of the package implies that the user actually wants to run that new code, 14699 // so we enable the package. 14700 PackageSetting ps = mSettings.mPackages.get(pkgName); 14701 final int userId = user.getIdentifier(); 14702 if (ps != null) { 14703 if (isSystemApp(newPackage)) { 14704 if (DEBUG_INSTALL) { 14705 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14706 } 14707 // Enable system package for requested users 14708 if (res.origUsers != null) { 14709 for (int origUserId : res.origUsers) { 14710 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14711 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14712 origUserId, installerPackageName); 14713 } 14714 } 14715 } 14716 // Also convey the prior install/uninstall state 14717 if (allUsers != null && installedForUsers != null) { 14718 for (int currentUserId : allUsers) { 14719 final boolean installed = ArrayUtils.contains( 14720 installedForUsers, currentUserId); 14721 if (DEBUG_INSTALL) { 14722 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14723 } 14724 ps.setInstalled(installed, currentUserId); 14725 } 14726 // these install state changes will be persisted in the 14727 // upcoming call to mSettings.writeLPr(). 14728 } 14729 } 14730 // It's implied that when a user requests installation, they want the app to be 14731 // installed and enabled. 14732 if (userId != UserHandle.USER_ALL) { 14733 ps.setInstalled(true, userId); 14734 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14735 } 14736 } 14737 res.name = pkgName; 14738 res.uid = newPackage.applicationInfo.uid; 14739 res.pkg = newPackage; 14740 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14741 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14742 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14743 //to update install status 14744 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14745 mSettings.writeLPr(); 14746 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14747 } 14748 14749 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14750 } 14751 14752 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14753 try { 14754 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14755 installPackageLI(args, res); 14756 } finally { 14757 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14758 } 14759 } 14760 14761 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14762 final int installFlags = args.installFlags; 14763 final String installerPackageName = args.installerPackageName; 14764 final String volumeUuid = args.volumeUuid; 14765 final File tmpPackageFile = new File(args.getCodePath()); 14766 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14767 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14768 || (args.volumeUuid != null)); 14769 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14770 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14771 boolean replace = false; 14772 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14773 if (args.move != null) { 14774 // moving a complete application; perform an initial scan on the new install location 14775 scanFlags |= SCAN_INITIAL; 14776 } 14777 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14778 scanFlags |= SCAN_DONT_KILL_APP; 14779 } 14780 14781 // Result object to be returned 14782 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14783 14784 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14785 14786 // Sanity check 14787 if (ephemeral && (forwardLocked || onExternal)) { 14788 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14789 + " external=" + onExternal); 14790 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14791 return; 14792 } 14793 14794 // Retrieve PackageSettings and parse package 14795 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14796 | PackageParser.PARSE_ENFORCE_CODE 14797 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14798 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14799 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14800 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14801 PackageParser pp = new PackageParser(); 14802 pp.setSeparateProcesses(mSeparateProcesses); 14803 pp.setDisplayMetrics(mMetrics); 14804 14805 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14806 final PackageParser.Package pkg; 14807 try { 14808 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14809 } catch (PackageParserException e) { 14810 res.setError("Failed parse during installPackageLI", e); 14811 return; 14812 } finally { 14813 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14814 } 14815 14816 // If we are installing a clustered package add results for the children 14817 if (pkg.childPackages != null) { 14818 synchronized (mPackages) { 14819 final int childCount = pkg.childPackages.size(); 14820 for (int i = 0; i < childCount; i++) { 14821 PackageParser.Package childPkg = pkg.childPackages.get(i); 14822 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14823 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14824 childRes.pkg = childPkg; 14825 childRes.name = childPkg.packageName; 14826 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14827 if (childPs != null) { 14828 childRes.origUsers = childPs.queryInstalledUsers( 14829 sUserManager.getUserIds(), true); 14830 } 14831 if ((mPackages.containsKey(childPkg.packageName))) { 14832 childRes.removedInfo = new PackageRemovedInfo(); 14833 childRes.removedInfo.removedPackage = childPkg.packageName; 14834 } 14835 if (res.addedChildPackages == null) { 14836 res.addedChildPackages = new ArrayMap<>(); 14837 } 14838 res.addedChildPackages.put(childPkg.packageName, childRes); 14839 } 14840 } 14841 } 14842 14843 // If package doesn't declare API override, mark that we have an install 14844 // time CPU ABI override. 14845 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14846 pkg.cpuAbiOverride = args.abiOverride; 14847 } 14848 14849 String pkgName = res.name = pkg.packageName; 14850 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14851 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14852 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14853 return; 14854 } 14855 } 14856 14857 try { 14858 // either use what we've been given or parse directly from the APK 14859 if (args.certificates != null) { 14860 try { 14861 PackageParser.populateCertificates(pkg, args.certificates); 14862 } catch (PackageParserException e) { 14863 // there was something wrong with the certificates we were given; 14864 // try to pull them from the APK 14865 PackageParser.collectCertificates(pkg, parseFlags); 14866 } 14867 } else { 14868 PackageParser.collectCertificates(pkg, parseFlags); 14869 } 14870 } catch (PackageParserException e) { 14871 res.setError("Failed collect during installPackageLI", e); 14872 return; 14873 } 14874 14875 // Get rid of all references to package scan path via parser. 14876 pp = null; 14877 String oldCodePath = null; 14878 boolean systemApp = false; 14879 synchronized (mPackages) { 14880 // Check if installing already existing package 14881 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14882 String oldName = mSettings.mRenamedPackages.get(pkgName); 14883 if (pkg.mOriginalPackages != null 14884 && pkg.mOriginalPackages.contains(oldName) 14885 && mPackages.containsKey(oldName)) { 14886 // This package is derived from an original package, 14887 // and this device has been updating from that original 14888 // name. We must continue using the original name, so 14889 // rename the new package here. 14890 pkg.setPackageName(oldName); 14891 pkgName = pkg.packageName; 14892 replace = true; 14893 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14894 + oldName + " pkgName=" + pkgName); 14895 } else if (mPackages.containsKey(pkgName)) { 14896 // This package, under its official name, already exists 14897 // on the device; we should replace it. 14898 replace = true; 14899 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14900 } 14901 14902 // Child packages are installed through the parent package 14903 if (pkg.parentPackage != null) { 14904 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14905 "Package " + pkg.packageName + " is child of package " 14906 + pkg.parentPackage.parentPackage + ". Child packages " 14907 + "can be updated only through the parent package."); 14908 return; 14909 } 14910 14911 if (replace) { 14912 // Prevent apps opting out from runtime permissions 14913 PackageParser.Package oldPackage = mPackages.get(pkgName); 14914 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14915 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14916 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14917 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14918 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14919 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14920 + " doesn't support runtime permissions but the old" 14921 + " target SDK " + oldTargetSdk + " does."); 14922 return; 14923 } 14924 14925 // Prevent installing of child packages 14926 if (oldPackage.parentPackage != null) { 14927 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14928 "Package " + pkg.packageName + " is child of package " 14929 + oldPackage.parentPackage + ". Child packages " 14930 + "can be updated only through the parent package."); 14931 return; 14932 } 14933 } 14934 } 14935 14936 PackageSetting ps = mSettings.mPackages.get(pkgName); 14937 if (ps != null) { 14938 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14939 14940 // Quick sanity check that we're signed correctly if updating; 14941 // we'll check this again later when scanning, but we want to 14942 // bail early here before tripping over redefined permissions. 14943 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14944 if (!checkUpgradeKeySetLP(ps, pkg)) { 14945 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14946 + pkg.packageName + " upgrade keys do not match the " 14947 + "previously installed version"); 14948 return; 14949 } 14950 } else { 14951 try { 14952 verifySignaturesLP(ps, pkg); 14953 } catch (PackageManagerException e) { 14954 res.setError(e.error, e.getMessage()); 14955 return; 14956 } 14957 } 14958 14959 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14960 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14961 systemApp = (ps.pkg.applicationInfo.flags & 14962 ApplicationInfo.FLAG_SYSTEM) != 0; 14963 } 14964 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14965 } 14966 14967 // Check whether the newly-scanned package wants to define an already-defined perm 14968 int N = pkg.permissions.size(); 14969 for (int i = N-1; i >= 0; i--) { 14970 PackageParser.Permission perm = pkg.permissions.get(i); 14971 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14972 if (bp != null) { 14973 // If the defining package is signed with our cert, it's okay. This 14974 // also includes the "updating the same package" case, of course. 14975 // "updating same package" could also involve key-rotation. 14976 final boolean sigsOk; 14977 if (bp.sourcePackage.equals(pkg.packageName) 14978 && (bp.packageSetting instanceof PackageSetting) 14979 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14980 scanFlags))) { 14981 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14982 } else { 14983 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14984 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14985 } 14986 if (!sigsOk) { 14987 // If the owning package is the system itself, we log but allow 14988 // install to proceed; we fail the install on all other permission 14989 // redefinitions. 14990 if (!bp.sourcePackage.equals("android")) { 14991 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14992 + pkg.packageName + " attempting to redeclare permission " 14993 + perm.info.name + " already owned by " + bp.sourcePackage); 14994 res.origPermission = perm.info.name; 14995 res.origPackage = bp.sourcePackage; 14996 return; 14997 } else { 14998 Slog.w(TAG, "Package " + pkg.packageName 14999 + " attempting to redeclare system permission " 15000 + perm.info.name + "; ignoring new declaration"); 15001 pkg.permissions.remove(i); 15002 } 15003 } 15004 } 15005 } 15006 } 15007 15008 if (systemApp) { 15009 if (onExternal) { 15010 // Abort update; system app can't be replaced with app on sdcard 15011 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15012 "Cannot install updates to system apps on sdcard"); 15013 return; 15014 } else if (ephemeral) { 15015 // Abort update; system app can't be replaced with an ephemeral app 15016 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15017 "Cannot update a system app with an ephemeral app"); 15018 return; 15019 } 15020 } 15021 15022 if (args.move != null) { 15023 // We did an in-place move, so dex is ready to roll 15024 scanFlags |= SCAN_NO_DEX; 15025 scanFlags |= SCAN_MOVE; 15026 15027 synchronized (mPackages) { 15028 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15029 if (ps == null) { 15030 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15031 "Missing settings for moved package " + pkgName); 15032 } 15033 15034 // We moved the entire application as-is, so bring over the 15035 // previously derived ABI information. 15036 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15037 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15038 } 15039 15040 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15041 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15042 scanFlags |= SCAN_NO_DEX; 15043 15044 try { 15045 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15046 args.abiOverride : pkg.cpuAbiOverride); 15047 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15048 true /* extract libs */); 15049 } catch (PackageManagerException pme) { 15050 Slog.e(TAG, "Error deriving application ABI", pme); 15051 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15052 return; 15053 } 15054 15055 // Shared libraries for the package need to be updated. 15056 synchronized (mPackages) { 15057 try { 15058 updateSharedLibrariesLPw(pkg, null); 15059 } catch (PackageManagerException e) { 15060 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15061 } 15062 } 15063 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15064 // Do not run PackageDexOptimizer through the local performDexOpt 15065 // method because `pkg` may not be in `mPackages` yet. 15066 // 15067 // Also, don't fail application installs if the dexopt step fails. 15068 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15069 null /* instructionSets */, false /* checkProfiles */, 15070 getCompilerFilterForReason(REASON_INSTALL), 15071 getOrCreateCompilerPackageStats(pkg)); 15072 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15073 15074 // Notify BackgroundDexOptService that the package has been changed. 15075 // If this is an update of a package which used to fail to compile, 15076 // BDOS will remove it from its blacklist. 15077 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15078 } 15079 15080 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15081 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15082 return; 15083 } 15084 15085 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15086 15087 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15088 "installPackageLI")) { 15089 if (replace) { 15090 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15091 installerPackageName, res); 15092 } else { 15093 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15094 args.user, installerPackageName, volumeUuid, res); 15095 } 15096 } 15097 synchronized (mPackages) { 15098 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15099 if (ps != null) { 15100 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15101 } 15102 15103 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15104 for (int i = 0; i < childCount; i++) { 15105 PackageParser.Package childPkg = pkg.childPackages.get(i); 15106 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15107 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15108 if (childPs != null) { 15109 childRes.newUsers = childPs.queryInstalledUsers( 15110 sUserManager.getUserIds(), true); 15111 } 15112 } 15113 } 15114 } 15115 15116 private void startIntentFilterVerifications(int userId, boolean replacing, 15117 PackageParser.Package pkg) { 15118 if (mIntentFilterVerifierComponent == null) { 15119 Slog.w(TAG, "No IntentFilter verification will not be done as " 15120 + "there is no IntentFilterVerifier available!"); 15121 return; 15122 } 15123 15124 final int verifierUid = getPackageUid( 15125 mIntentFilterVerifierComponent.getPackageName(), 15126 MATCH_DEBUG_TRIAGED_MISSING, 15127 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15128 15129 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15130 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15131 mHandler.sendMessage(msg); 15132 15133 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15134 for (int i = 0; i < childCount; i++) { 15135 PackageParser.Package childPkg = pkg.childPackages.get(i); 15136 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15137 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15138 mHandler.sendMessage(msg); 15139 } 15140 } 15141 15142 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15143 PackageParser.Package pkg) { 15144 int size = pkg.activities.size(); 15145 if (size == 0) { 15146 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15147 "No activity, so no need to verify any IntentFilter!"); 15148 return; 15149 } 15150 15151 final boolean hasDomainURLs = hasDomainURLs(pkg); 15152 if (!hasDomainURLs) { 15153 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15154 "No domain URLs, so no need to verify any IntentFilter!"); 15155 return; 15156 } 15157 15158 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15159 + " if any IntentFilter from the " + size 15160 + " Activities needs verification ..."); 15161 15162 int count = 0; 15163 final String packageName = pkg.packageName; 15164 15165 synchronized (mPackages) { 15166 // If this is a new install and we see that we've already run verification for this 15167 // package, we have nothing to do: it means the state was restored from backup. 15168 if (!replacing) { 15169 IntentFilterVerificationInfo ivi = 15170 mSettings.getIntentFilterVerificationLPr(packageName); 15171 if (ivi != null) { 15172 if (DEBUG_DOMAIN_VERIFICATION) { 15173 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15174 + ivi.getStatusString()); 15175 } 15176 return; 15177 } 15178 } 15179 15180 // If any filters need to be verified, then all need to be. 15181 boolean needToVerify = false; 15182 for (PackageParser.Activity a : pkg.activities) { 15183 for (ActivityIntentInfo filter : a.intents) { 15184 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15185 if (DEBUG_DOMAIN_VERIFICATION) { 15186 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15187 } 15188 needToVerify = true; 15189 break; 15190 } 15191 } 15192 } 15193 15194 if (needToVerify) { 15195 final int verificationId = mIntentFilterVerificationToken++; 15196 for (PackageParser.Activity a : pkg.activities) { 15197 for (ActivityIntentInfo filter : a.intents) { 15198 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15199 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15200 "Verification needed for IntentFilter:" + filter.toString()); 15201 mIntentFilterVerifier.addOneIntentFilterVerification( 15202 verifierUid, userId, verificationId, filter, packageName); 15203 count++; 15204 } 15205 } 15206 } 15207 } 15208 } 15209 15210 if (count > 0) { 15211 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15212 + " IntentFilter verification" + (count > 1 ? "s" : "") 15213 + " for userId:" + userId); 15214 mIntentFilterVerifier.startVerifications(userId); 15215 } else { 15216 if (DEBUG_DOMAIN_VERIFICATION) { 15217 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15218 } 15219 } 15220 } 15221 15222 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15223 final ComponentName cn = filter.activity.getComponentName(); 15224 final String packageName = cn.getPackageName(); 15225 15226 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15227 packageName); 15228 if (ivi == null) { 15229 return true; 15230 } 15231 int status = ivi.getStatus(); 15232 switch (status) { 15233 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15234 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15235 return true; 15236 15237 default: 15238 // Nothing to do 15239 return false; 15240 } 15241 } 15242 15243 private static boolean isMultiArch(ApplicationInfo info) { 15244 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15245 } 15246 15247 private static boolean isExternal(PackageParser.Package pkg) { 15248 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15249 } 15250 15251 private static boolean isExternal(PackageSetting ps) { 15252 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15253 } 15254 15255 private static boolean isEphemeral(PackageParser.Package pkg) { 15256 return pkg.applicationInfo.isEphemeralApp(); 15257 } 15258 15259 private static boolean isEphemeral(PackageSetting ps) { 15260 return ps.pkg != null && isEphemeral(ps.pkg); 15261 } 15262 15263 private static boolean isSystemApp(PackageParser.Package pkg) { 15264 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15265 } 15266 15267 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15268 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15269 } 15270 15271 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15272 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15273 } 15274 15275 private static boolean isSystemApp(PackageSetting ps) { 15276 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15277 } 15278 15279 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15280 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15281 } 15282 15283 private int packageFlagsToInstallFlags(PackageSetting ps) { 15284 int installFlags = 0; 15285 if (isEphemeral(ps)) { 15286 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15287 } 15288 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15289 // This existing package was an external ASEC install when we have 15290 // the external flag without a UUID 15291 installFlags |= PackageManager.INSTALL_EXTERNAL; 15292 } 15293 if (ps.isForwardLocked()) { 15294 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15295 } 15296 return installFlags; 15297 } 15298 15299 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15300 if (isExternal(pkg)) { 15301 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15302 return StorageManager.UUID_PRIMARY_PHYSICAL; 15303 } else { 15304 return pkg.volumeUuid; 15305 } 15306 } else { 15307 return StorageManager.UUID_PRIVATE_INTERNAL; 15308 } 15309 } 15310 15311 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15312 if (isExternal(pkg)) { 15313 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15314 return mSettings.getExternalVersion(); 15315 } else { 15316 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15317 } 15318 } else { 15319 return mSettings.getInternalVersion(); 15320 } 15321 } 15322 15323 private void deleteTempPackageFiles() { 15324 final FilenameFilter filter = new FilenameFilter() { 15325 public boolean accept(File dir, String name) { 15326 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15327 } 15328 }; 15329 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15330 file.delete(); 15331 } 15332 } 15333 15334 @Override 15335 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15336 int flags) { 15337 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15338 flags); 15339 } 15340 15341 @Override 15342 public void deletePackage(final String packageName, 15343 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15344 mContext.enforceCallingOrSelfPermission( 15345 android.Manifest.permission.DELETE_PACKAGES, null); 15346 Preconditions.checkNotNull(packageName); 15347 Preconditions.checkNotNull(observer); 15348 final int uid = Binder.getCallingUid(); 15349 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15350 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15351 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15352 mContext.enforceCallingOrSelfPermission( 15353 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15354 "deletePackage for user " + userId); 15355 } 15356 15357 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15358 try { 15359 observer.onPackageDeleted(packageName, 15360 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15361 } catch (RemoteException re) { 15362 } 15363 return; 15364 } 15365 15366 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15367 try { 15368 observer.onPackageDeleted(packageName, 15369 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15370 } catch (RemoteException re) { 15371 } 15372 return; 15373 } 15374 15375 if (DEBUG_REMOVE) { 15376 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15377 + " deleteAllUsers: " + deleteAllUsers ); 15378 } 15379 // Queue up an async operation since the package deletion may take a little while. 15380 mHandler.post(new Runnable() { 15381 public void run() { 15382 mHandler.removeCallbacks(this); 15383 int returnCode; 15384 if (!deleteAllUsers) { 15385 returnCode = deletePackageX(packageName, userId, deleteFlags); 15386 } else { 15387 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15388 // If nobody is blocking uninstall, proceed with delete for all users 15389 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15390 returnCode = deletePackageX(packageName, userId, deleteFlags); 15391 } else { 15392 // Otherwise uninstall individually for users with blockUninstalls=false 15393 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15394 for (int userId : users) { 15395 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15396 returnCode = deletePackageX(packageName, userId, userFlags); 15397 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15398 Slog.w(TAG, "Package delete failed for user " + userId 15399 + ", returnCode " + returnCode); 15400 } 15401 } 15402 } 15403 // The app has only been marked uninstalled for certain users. 15404 // We still need to report that delete was blocked 15405 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15406 } 15407 } 15408 try { 15409 observer.onPackageDeleted(packageName, returnCode, null); 15410 } catch (RemoteException e) { 15411 Log.i(TAG, "Observer no longer exists."); 15412 } //end catch 15413 } //end run 15414 }); 15415 } 15416 15417 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15418 int[] result = EMPTY_INT_ARRAY; 15419 for (int userId : userIds) { 15420 if (getBlockUninstallForUser(packageName, userId)) { 15421 result = ArrayUtils.appendInt(result, userId); 15422 } 15423 } 15424 return result; 15425 } 15426 15427 @Override 15428 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15429 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15430 } 15431 15432 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15433 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15434 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15435 try { 15436 if (dpm != null) { 15437 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15438 /* callingUserOnly =*/ false); 15439 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15440 : deviceOwnerComponentName.getPackageName(); 15441 // Does the package contains the device owner? 15442 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15443 // this check is probably not needed, since DO should be registered as a device 15444 // admin on some user too. (Original bug for this: b/17657954) 15445 if (packageName.equals(deviceOwnerPackageName)) { 15446 return true; 15447 } 15448 // Does it contain a device admin for any user? 15449 int[] users; 15450 if (userId == UserHandle.USER_ALL) { 15451 users = sUserManager.getUserIds(); 15452 } else { 15453 users = new int[]{userId}; 15454 } 15455 for (int i = 0; i < users.length; ++i) { 15456 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15457 return true; 15458 } 15459 } 15460 } 15461 } catch (RemoteException e) { 15462 } 15463 return false; 15464 } 15465 15466 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15467 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15468 } 15469 15470 /** 15471 * This method is an internal method that could be get invoked either 15472 * to delete an installed package or to clean up a failed installation. 15473 * After deleting an installed package, a broadcast is sent to notify any 15474 * listeners that the package has been removed. For cleaning up a failed 15475 * installation, the broadcast is not necessary since the package's 15476 * installation wouldn't have sent the initial broadcast either 15477 * The key steps in deleting a package are 15478 * deleting the package information in internal structures like mPackages, 15479 * deleting the packages base directories through installd 15480 * updating mSettings to reflect current status 15481 * persisting settings for later use 15482 * sending a broadcast if necessary 15483 */ 15484 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15485 final PackageRemovedInfo info = new PackageRemovedInfo(); 15486 final boolean res; 15487 15488 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15489 ? UserHandle.USER_ALL : userId; 15490 15491 if (isPackageDeviceAdmin(packageName, removeUser)) { 15492 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15493 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15494 } 15495 15496 PackageSetting uninstalledPs = null; 15497 15498 // for the uninstall-updates case and restricted profiles, remember the per- 15499 // user handle installed state 15500 int[] allUsers; 15501 synchronized (mPackages) { 15502 uninstalledPs = mSettings.mPackages.get(packageName); 15503 if (uninstalledPs == null) { 15504 Slog.w(TAG, "Not removing non-existent package " + packageName); 15505 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15506 } 15507 allUsers = sUserManager.getUserIds(); 15508 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15509 } 15510 15511 final int freezeUser; 15512 if (isUpdatedSystemApp(uninstalledPs) 15513 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15514 // We're downgrading a system app, which will apply to all users, so 15515 // freeze them all during the downgrade 15516 freezeUser = UserHandle.USER_ALL; 15517 } else { 15518 freezeUser = removeUser; 15519 } 15520 15521 synchronized (mInstallLock) { 15522 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15523 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15524 deleteFlags, "deletePackageX")) { 15525 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15526 deleteFlags | REMOVE_CHATTY, info, true, null); 15527 } 15528 synchronized (mPackages) { 15529 if (res) { 15530 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15531 } 15532 } 15533 } 15534 15535 if (res) { 15536 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15537 info.sendPackageRemovedBroadcasts(killApp); 15538 info.sendSystemPackageUpdatedBroadcasts(); 15539 info.sendSystemPackageAppearedBroadcasts(); 15540 } 15541 // Force a gc here. 15542 Runtime.getRuntime().gc(); 15543 // Delete the resources here after sending the broadcast to let 15544 // other processes clean up before deleting resources. 15545 if (info.args != null) { 15546 synchronized (mInstallLock) { 15547 info.args.doPostDeleteLI(true); 15548 } 15549 } 15550 15551 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15552 } 15553 15554 class PackageRemovedInfo { 15555 String removedPackage; 15556 int uid = -1; 15557 int removedAppId = -1; 15558 int[] origUsers; 15559 int[] removedUsers = null; 15560 boolean isRemovedPackageSystemUpdate = false; 15561 boolean isUpdate; 15562 boolean dataRemoved; 15563 boolean removedForAllUsers; 15564 // Clean up resources deleted packages. 15565 InstallArgs args = null; 15566 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15567 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15568 15569 void sendPackageRemovedBroadcasts(boolean killApp) { 15570 sendPackageRemovedBroadcastInternal(killApp); 15571 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15572 for (int i = 0; i < childCount; i++) { 15573 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15574 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15575 } 15576 } 15577 15578 void sendSystemPackageUpdatedBroadcasts() { 15579 if (isRemovedPackageSystemUpdate) { 15580 sendSystemPackageUpdatedBroadcastsInternal(); 15581 final int childCount = (removedChildPackages != null) 15582 ? removedChildPackages.size() : 0; 15583 for (int i = 0; i < childCount; i++) { 15584 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15585 if (childInfo.isRemovedPackageSystemUpdate) { 15586 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15587 } 15588 } 15589 } 15590 } 15591 15592 void sendSystemPackageAppearedBroadcasts() { 15593 final int packageCount = (appearedChildPackages != null) 15594 ? appearedChildPackages.size() : 0; 15595 for (int i = 0; i < packageCount; i++) { 15596 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15597 for (int userId : installedInfo.newUsers) { 15598 sendPackageAddedForUser(installedInfo.name, true, 15599 UserHandle.getAppId(installedInfo.uid), userId); 15600 } 15601 } 15602 } 15603 15604 private void sendSystemPackageUpdatedBroadcastsInternal() { 15605 Bundle extras = new Bundle(2); 15606 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15607 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15608 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15609 extras, 0, null, null, null); 15610 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15611 extras, 0, null, null, null); 15612 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15613 null, 0, removedPackage, null, null); 15614 } 15615 15616 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15617 Bundle extras = new Bundle(2); 15618 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15619 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15620 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15621 if (isUpdate || isRemovedPackageSystemUpdate) { 15622 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15623 } 15624 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15625 if (removedPackage != null) { 15626 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15627 extras, 0, null, null, removedUsers); 15628 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15629 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15630 removedPackage, extras, 0, null, null, removedUsers); 15631 } 15632 } 15633 if (removedAppId >= 0) { 15634 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15635 removedUsers); 15636 } 15637 } 15638 } 15639 15640 /* 15641 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15642 * flag is not set, the data directory is removed as well. 15643 * make sure this flag is set for partially installed apps. If not its meaningless to 15644 * delete a partially installed application. 15645 */ 15646 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15647 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15648 String packageName = ps.name; 15649 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15650 // Retrieve object to delete permissions for shared user later on 15651 final PackageParser.Package deletedPkg; 15652 final PackageSetting deletedPs; 15653 // reader 15654 synchronized (mPackages) { 15655 deletedPkg = mPackages.get(packageName); 15656 deletedPs = mSettings.mPackages.get(packageName); 15657 if (outInfo != null) { 15658 outInfo.removedPackage = packageName; 15659 outInfo.removedUsers = deletedPs != null 15660 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15661 : null; 15662 } 15663 } 15664 15665 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15666 15667 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15668 final PackageParser.Package resolvedPkg; 15669 if (deletedPkg != null) { 15670 resolvedPkg = deletedPkg; 15671 } else { 15672 // We don't have a parsed package when it lives on an ejected 15673 // adopted storage device, so fake something together 15674 resolvedPkg = new PackageParser.Package(ps.name); 15675 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15676 } 15677 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15678 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15679 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15680 if (outInfo != null) { 15681 outInfo.dataRemoved = true; 15682 } 15683 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15684 } 15685 15686 // writer 15687 synchronized (mPackages) { 15688 if (deletedPs != null) { 15689 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15690 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15691 clearDefaultBrowserIfNeeded(packageName); 15692 if (outInfo != null) { 15693 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15694 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15695 } 15696 updatePermissionsLPw(deletedPs.name, null, 0); 15697 if (deletedPs.sharedUser != null) { 15698 // Remove permissions associated with package. Since runtime 15699 // permissions are per user we have to kill the removed package 15700 // or packages running under the shared user of the removed 15701 // package if revoking the permissions requested only by the removed 15702 // package is successful and this causes a change in gids. 15703 for (int userId : UserManagerService.getInstance().getUserIds()) { 15704 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15705 userId); 15706 if (userIdToKill == UserHandle.USER_ALL 15707 || userIdToKill >= UserHandle.USER_SYSTEM) { 15708 // If gids changed for this user, kill all affected packages. 15709 mHandler.post(new Runnable() { 15710 @Override 15711 public void run() { 15712 // This has to happen with no lock held. 15713 killApplication(deletedPs.name, deletedPs.appId, 15714 KILL_APP_REASON_GIDS_CHANGED); 15715 } 15716 }); 15717 break; 15718 } 15719 } 15720 } 15721 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15722 } 15723 // make sure to preserve per-user disabled state if this removal was just 15724 // a downgrade of a system app to the factory package 15725 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15726 if (DEBUG_REMOVE) { 15727 Slog.d(TAG, "Propagating install state across downgrade"); 15728 } 15729 for (int userId : allUserHandles) { 15730 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15731 if (DEBUG_REMOVE) { 15732 Slog.d(TAG, " user " + userId + " => " + installed); 15733 } 15734 ps.setInstalled(installed, userId); 15735 } 15736 } 15737 } 15738 // can downgrade to reader 15739 if (writeSettings) { 15740 // Save settings now 15741 mSettings.writeLPr(); 15742 } 15743 } 15744 if (outInfo != null) { 15745 // A user ID was deleted here. Go through all users and remove it 15746 // from KeyStore. 15747 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15748 } 15749 } 15750 15751 static boolean locationIsPrivileged(File path) { 15752 try { 15753 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15754 .getCanonicalPath(); 15755 return path.getCanonicalPath().startsWith(privilegedAppDir); 15756 } catch (IOException e) { 15757 Slog.e(TAG, "Unable to access code path " + path); 15758 } 15759 return false; 15760 } 15761 15762 /* 15763 * Tries to delete system package. 15764 */ 15765 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15766 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15767 boolean writeSettings) { 15768 if (deletedPs.parentPackageName != null) { 15769 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15770 return false; 15771 } 15772 15773 final boolean applyUserRestrictions 15774 = (allUserHandles != null) && (outInfo.origUsers != null); 15775 final PackageSetting disabledPs; 15776 // Confirm if the system package has been updated 15777 // An updated system app can be deleted. This will also have to restore 15778 // the system pkg from system partition 15779 // reader 15780 synchronized (mPackages) { 15781 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15782 } 15783 15784 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15785 + " disabledPs=" + disabledPs); 15786 15787 if (disabledPs == null) { 15788 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15789 return false; 15790 } else if (DEBUG_REMOVE) { 15791 Slog.d(TAG, "Deleting system pkg from data partition"); 15792 } 15793 15794 if (DEBUG_REMOVE) { 15795 if (applyUserRestrictions) { 15796 Slog.d(TAG, "Remembering install states:"); 15797 for (int userId : allUserHandles) { 15798 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15799 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15800 } 15801 } 15802 } 15803 15804 // Delete the updated package 15805 outInfo.isRemovedPackageSystemUpdate = true; 15806 if (outInfo.removedChildPackages != null) { 15807 final int childCount = (deletedPs.childPackageNames != null) 15808 ? deletedPs.childPackageNames.size() : 0; 15809 for (int i = 0; i < childCount; i++) { 15810 String childPackageName = deletedPs.childPackageNames.get(i); 15811 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15812 .contains(childPackageName)) { 15813 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15814 childPackageName); 15815 if (childInfo != null) { 15816 childInfo.isRemovedPackageSystemUpdate = true; 15817 } 15818 } 15819 } 15820 } 15821 15822 if (disabledPs.versionCode < deletedPs.versionCode) { 15823 // Delete data for downgrades 15824 flags &= ~PackageManager.DELETE_KEEP_DATA; 15825 } else { 15826 // Preserve data by setting flag 15827 flags |= PackageManager.DELETE_KEEP_DATA; 15828 } 15829 15830 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15831 outInfo, writeSettings, disabledPs.pkg); 15832 if (!ret) { 15833 return false; 15834 } 15835 15836 // writer 15837 synchronized (mPackages) { 15838 // Reinstate the old system package 15839 enableSystemPackageLPw(disabledPs.pkg); 15840 // Remove any native libraries from the upgraded package. 15841 removeNativeBinariesLI(deletedPs); 15842 } 15843 15844 // Install the system package 15845 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15846 int parseFlags = mDefParseFlags 15847 | PackageParser.PARSE_MUST_BE_APK 15848 | PackageParser.PARSE_IS_SYSTEM 15849 | PackageParser.PARSE_IS_SYSTEM_DIR; 15850 if (locationIsPrivileged(disabledPs.codePath)) { 15851 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15852 } 15853 15854 final PackageParser.Package newPkg; 15855 try { 15856 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15857 } catch (PackageManagerException e) { 15858 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15859 + e.getMessage()); 15860 return false; 15861 } 15862 15863 prepareAppDataAfterInstallLIF(newPkg); 15864 15865 // writer 15866 synchronized (mPackages) { 15867 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15868 15869 // Propagate the permissions state as we do not want to drop on the floor 15870 // runtime permissions. The update permissions method below will take 15871 // care of removing obsolete permissions and grant install permissions. 15872 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15873 updatePermissionsLPw(newPkg.packageName, newPkg, 15874 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15875 15876 if (applyUserRestrictions) { 15877 if (DEBUG_REMOVE) { 15878 Slog.d(TAG, "Propagating install state across reinstall"); 15879 } 15880 for (int userId : allUserHandles) { 15881 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15882 if (DEBUG_REMOVE) { 15883 Slog.d(TAG, " user " + userId + " => " + installed); 15884 } 15885 ps.setInstalled(installed, userId); 15886 15887 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15888 } 15889 // Regardless of writeSettings we need to ensure that this restriction 15890 // state propagation is persisted 15891 mSettings.writeAllUsersPackageRestrictionsLPr(); 15892 } 15893 // can downgrade to reader here 15894 if (writeSettings) { 15895 mSettings.writeLPr(); 15896 } 15897 } 15898 return true; 15899 } 15900 15901 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15902 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15903 PackageRemovedInfo outInfo, boolean writeSettings, 15904 PackageParser.Package replacingPackage) { 15905 synchronized (mPackages) { 15906 if (outInfo != null) { 15907 outInfo.uid = ps.appId; 15908 } 15909 15910 if (outInfo != null && outInfo.removedChildPackages != null) { 15911 final int childCount = (ps.childPackageNames != null) 15912 ? ps.childPackageNames.size() : 0; 15913 for (int i = 0; i < childCount; i++) { 15914 String childPackageName = ps.childPackageNames.get(i); 15915 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15916 if (childPs == null) { 15917 return false; 15918 } 15919 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15920 childPackageName); 15921 if (childInfo != null) { 15922 childInfo.uid = childPs.appId; 15923 } 15924 } 15925 } 15926 } 15927 15928 // Delete package data from internal structures and also remove data if flag is set 15929 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15930 15931 // Delete the child packages data 15932 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15933 for (int i = 0; i < childCount; i++) { 15934 PackageSetting childPs; 15935 synchronized (mPackages) { 15936 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15937 } 15938 if (childPs != null) { 15939 PackageRemovedInfo childOutInfo = (outInfo != null 15940 && outInfo.removedChildPackages != null) 15941 ? outInfo.removedChildPackages.get(childPs.name) : null; 15942 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15943 && (replacingPackage != null 15944 && !replacingPackage.hasChildPackage(childPs.name)) 15945 ? flags & ~DELETE_KEEP_DATA : flags; 15946 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15947 deleteFlags, writeSettings); 15948 } 15949 } 15950 15951 // Delete application code and resources only for parent packages 15952 if (ps.parentPackageName == null) { 15953 if (deleteCodeAndResources && (outInfo != null)) { 15954 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15955 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15956 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15957 } 15958 } 15959 15960 return true; 15961 } 15962 15963 @Override 15964 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15965 int userId) { 15966 mContext.enforceCallingOrSelfPermission( 15967 android.Manifest.permission.DELETE_PACKAGES, null); 15968 synchronized (mPackages) { 15969 PackageSetting ps = mSettings.mPackages.get(packageName); 15970 if (ps == null) { 15971 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15972 return false; 15973 } 15974 if (!ps.getInstalled(userId)) { 15975 // Can't block uninstall for an app that is not installed or enabled. 15976 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15977 return false; 15978 } 15979 ps.setBlockUninstall(blockUninstall, userId); 15980 mSettings.writePackageRestrictionsLPr(userId); 15981 } 15982 return true; 15983 } 15984 15985 @Override 15986 public boolean getBlockUninstallForUser(String packageName, int userId) { 15987 synchronized (mPackages) { 15988 PackageSetting ps = mSettings.mPackages.get(packageName); 15989 if (ps == null) { 15990 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15991 return false; 15992 } 15993 return ps.getBlockUninstall(userId); 15994 } 15995 } 15996 15997 @Override 15998 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15999 int callingUid = Binder.getCallingUid(); 16000 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16001 throw new SecurityException( 16002 "setRequiredForSystemUser can only be run by the system or root"); 16003 } 16004 synchronized (mPackages) { 16005 PackageSetting ps = mSettings.mPackages.get(packageName); 16006 if (ps == null) { 16007 Log.w(TAG, "Package doesn't exist: " + packageName); 16008 return false; 16009 } 16010 if (systemUserApp) { 16011 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16012 } else { 16013 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16014 } 16015 mSettings.writeLPr(); 16016 } 16017 return true; 16018 } 16019 16020 /* 16021 * This method handles package deletion in general 16022 */ 16023 private boolean deletePackageLIF(String packageName, UserHandle user, 16024 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16025 PackageRemovedInfo outInfo, boolean writeSettings, 16026 PackageParser.Package replacingPackage) { 16027 if (packageName == null) { 16028 Slog.w(TAG, "Attempt to delete null packageName."); 16029 return false; 16030 } 16031 16032 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16033 16034 PackageSetting ps; 16035 16036 synchronized (mPackages) { 16037 ps = mSettings.mPackages.get(packageName); 16038 if (ps == null) { 16039 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16040 return false; 16041 } 16042 16043 if (ps.parentPackageName != null && (!isSystemApp(ps) 16044 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16045 if (DEBUG_REMOVE) { 16046 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16047 + ((user == null) ? UserHandle.USER_ALL : user)); 16048 } 16049 final int removedUserId = (user != null) ? user.getIdentifier() 16050 : UserHandle.USER_ALL; 16051 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16052 return false; 16053 } 16054 markPackageUninstalledForUserLPw(ps, user); 16055 scheduleWritePackageRestrictionsLocked(user); 16056 return true; 16057 } 16058 } 16059 16060 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16061 && user.getIdentifier() != UserHandle.USER_ALL)) { 16062 // The caller is asking that the package only be deleted for a single 16063 // user. To do this, we just mark its uninstalled state and delete 16064 // its data. If this is a system app, we only allow this to happen if 16065 // they have set the special DELETE_SYSTEM_APP which requests different 16066 // semantics than normal for uninstalling system apps. 16067 markPackageUninstalledForUserLPw(ps, user); 16068 16069 if (!isSystemApp(ps)) { 16070 // Do not uninstall the APK if an app should be cached 16071 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16072 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16073 // Other user still have this package installed, so all 16074 // we need to do is clear this user's data and save that 16075 // it is uninstalled. 16076 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16077 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16078 return false; 16079 } 16080 scheduleWritePackageRestrictionsLocked(user); 16081 return true; 16082 } else { 16083 // We need to set it back to 'installed' so the uninstall 16084 // broadcasts will be sent correctly. 16085 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16086 ps.setInstalled(true, user.getIdentifier()); 16087 } 16088 } else { 16089 // This is a system app, so we assume that the 16090 // other users still have this package installed, so all 16091 // we need to do is clear this user's data and save that 16092 // it is uninstalled. 16093 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16094 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16095 return false; 16096 } 16097 scheduleWritePackageRestrictionsLocked(user); 16098 return true; 16099 } 16100 } 16101 16102 // If we are deleting a composite package for all users, keep track 16103 // of result for each child. 16104 if (ps.childPackageNames != null && outInfo != null) { 16105 synchronized (mPackages) { 16106 final int childCount = ps.childPackageNames.size(); 16107 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16108 for (int i = 0; i < childCount; i++) { 16109 String childPackageName = ps.childPackageNames.get(i); 16110 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16111 childInfo.removedPackage = childPackageName; 16112 outInfo.removedChildPackages.put(childPackageName, childInfo); 16113 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16114 if (childPs != null) { 16115 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16116 } 16117 } 16118 } 16119 } 16120 16121 boolean ret = false; 16122 if (isSystemApp(ps)) { 16123 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16124 // When an updated system application is deleted we delete the existing resources 16125 // as well and fall back to existing code in system partition 16126 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16127 } else { 16128 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16129 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16130 outInfo, writeSettings, replacingPackage); 16131 } 16132 16133 // Take a note whether we deleted the package for all users 16134 if (outInfo != null) { 16135 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16136 if (outInfo.removedChildPackages != null) { 16137 synchronized (mPackages) { 16138 final int childCount = outInfo.removedChildPackages.size(); 16139 for (int i = 0; i < childCount; i++) { 16140 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16141 if (childInfo != null) { 16142 childInfo.removedForAllUsers = mPackages.get( 16143 childInfo.removedPackage) == null; 16144 } 16145 } 16146 } 16147 } 16148 // If we uninstalled an update to a system app there may be some 16149 // child packages that appeared as they are declared in the system 16150 // app but were not declared in the update. 16151 if (isSystemApp(ps)) { 16152 synchronized (mPackages) { 16153 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16154 final int childCount = (updatedPs.childPackageNames != null) 16155 ? updatedPs.childPackageNames.size() : 0; 16156 for (int i = 0; i < childCount; i++) { 16157 String childPackageName = updatedPs.childPackageNames.get(i); 16158 if (outInfo.removedChildPackages == null 16159 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16160 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16161 if (childPs == null) { 16162 continue; 16163 } 16164 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16165 installRes.name = childPackageName; 16166 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16167 installRes.pkg = mPackages.get(childPackageName); 16168 installRes.uid = childPs.pkg.applicationInfo.uid; 16169 if (outInfo.appearedChildPackages == null) { 16170 outInfo.appearedChildPackages = new ArrayMap<>(); 16171 } 16172 outInfo.appearedChildPackages.put(childPackageName, installRes); 16173 } 16174 } 16175 } 16176 } 16177 } 16178 16179 return ret; 16180 } 16181 16182 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16183 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16184 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16185 for (int nextUserId : userIds) { 16186 if (DEBUG_REMOVE) { 16187 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16188 } 16189 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16190 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16191 false /*hidden*/, false /*suspended*/, null, null, null, 16192 false /*blockUninstall*/, 16193 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16194 } 16195 } 16196 16197 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16198 PackageRemovedInfo outInfo) { 16199 final PackageParser.Package pkg; 16200 synchronized (mPackages) { 16201 pkg = mPackages.get(ps.name); 16202 } 16203 16204 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16205 : new int[] {userId}; 16206 for (int nextUserId : userIds) { 16207 if (DEBUG_REMOVE) { 16208 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16209 + nextUserId); 16210 } 16211 16212 destroyAppDataLIF(pkg, userId, 16213 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16214 destroyAppProfilesLIF(pkg, userId); 16215 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16216 schedulePackageCleaning(ps.name, nextUserId, false); 16217 synchronized (mPackages) { 16218 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16219 scheduleWritePackageRestrictionsLocked(nextUserId); 16220 } 16221 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16222 } 16223 } 16224 16225 if (outInfo != null) { 16226 outInfo.removedPackage = ps.name; 16227 outInfo.removedAppId = ps.appId; 16228 outInfo.removedUsers = userIds; 16229 } 16230 16231 return true; 16232 } 16233 16234 private final class ClearStorageConnection implements ServiceConnection { 16235 IMediaContainerService mContainerService; 16236 16237 @Override 16238 public void onServiceConnected(ComponentName name, IBinder service) { 16239 synchronized (this) { 16240 mContainerService = IMediaContainerService.Stub.asInterface(service); 16241 notifyAll(); 16242 } 16243 } 16244 16245 @Override 16246 public void onServiceDisconnected(ComponentName name) { 16247 } 16248 } 16249 16250 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16251 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16252 16253 final boolean mounted; 16254 if (Environment.isExternalStorageEmulated()) { 16255 mounted = true; 16256 } else { 16257 final String status = Environment.getExternalStorageState(); 16258 16259 mounted = status.equals(Environment.MEDIA_MOUNTED) 16260 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16261 } 16262 16263 if (!mounted) { 16264 return; 16265 } 16266 16267 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16268 int[] users; 16269 if (userId == UserHandle.USER_ALL) { 16270 users = sUserManager.getUserIds(); 16271 } else { 16272 users = new int[] { userId }; 16273 } 16274 final ClearStorageConnection conn = new ClearStorageConnection(); 16275 if (mContext.bindServiceAsUser( 16276 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16277 try { 16278 for (int curUser : users) { 16279 long timeout = SystemClock.uptimeMillis() + 5000; 16280 synchronized (conn) { 16281 long now; 16282 while (conn.mContainerService == null && 16283 (now = SystemClock.uptimeMillis()) < timeout) { 16284 try { 16285 conn.wait(timeout - now); 16286 } catch (InterruptedException e) { 16287 } 16288 } 16289 } 16290 if (conn.mContainerService == null) { 16291 return; 16292 } 16293 16294 final UserEnvironment userEnv = new UserEnvironment(curUser); 16295 clearDirectory(conn.mContainerService, 16296 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16297 if (allData) { 16298 clearDirectory(conn.mContainerService, 16299 userEnv.buildExternalStorageAppDataDirs(packageName)); 16300 clearDirectory(conn.mContainerService, 16301 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16302 } 16303 } 16304 } finally { 16305 mContext.unbindService(conn); 16306 } 16307 } 16308 } 16309 16310 @Override 16311 public void clearApplicationProfileData(String packageName) { 16312 enforceSystemOrRoot("Only the system can clear all profile data"); 16313 16314 final PackageParser.Package pkg; 16315 synchronized (mPackages) { 16316 pkg = mPackages.get(packageName); 16317 } 16318 16319 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16320 synchronized (mInstallLock) { 16321 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16322 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16323 true /* removeBaseMarker */); 16324 } 16325 } 16326 } 16327 16328 @Override 16329 public void clearApplicationUserData(final String packageName, 16330 final IPackageDataObserver observer, final int userId) { 16331 mContext.enforceCallingOrSelfPermission( 16332 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16333 16334 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16335 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16336 16337 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16338 throw new SecurityException("Cannot clear data for a protected package: " 16339 + packageName); 16340 } 16341 // Queue up an async operation since the package deletion may take a little while. 16342 mHandler.post(new Runnable() { 16343 public void run() { 16344 mHandler.removeCallbacks(this); 16345 final boolean succeeded; 16346 try (PackageFreezer freezer = freezePackage(packageName, 16347 "clearApplicationUserData")) { 16348 synchronized (mInstallLock) { 16349 succeeded = clearApplicationUserDataLIF(packageName, userId); 16350 } 16351 clearExternalStorageDataSync(packageName, userId, true); 16352 } 16353 if (succeeded) { 16354 // invoke DeviceStorageMonitor's update method to clear any notifications 16355 DeviceStorageMonitorInternal dsm = LocalServices 16356 .getService(DeviceStorageMonitorInternal.class); 16357 if (dsm != null) { 16358 dsm.checkMemory(); 16359 } 16360 } 16361 if(observer != null) { 16362 try { 16363 observer.onRemoveCompleted(packageName, succeeded); 16364 } catch (RemoteException e) { 16365 Log.i(TAG, "Observer no longer exists."); 16366 } 16367 } //end if observer 16368 } //end run 16369 }); 16370 } 16371 16372 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16373 if (packageName == null) { 16374 Slog.w(TAG, "Attempt to delete null packageName."); 16375 return false; 16376 } 16377 16378 // Try finding details about the requested package 16379 PackageParser.Package pkg; 16380 synchronized (mPackages) { 16381 pkg = mPackages.get(packageName); 16382 if (pkg == null) { 16383 final PackageSetting ps = mSettings.mPackages.get(packageName); 16384 if (ps != null) { 16385 pkg = ps.pkg; 16386 } 16387 } 16388 16389 if (pkg == null) { 16390 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16391 return false; 16392 } 16393 16394 PackageSetting ps = (PackageSetting) pkg.mExtras; 16395 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16396 } 16397 16398 clearAppDataLIF(pkg, userId, 16399 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16400 16401 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16402 removeKeystoreDataIfNeeded(userId, appId); 16403 16404 UserManagerInternal umInternal = getUserManagerInternal(); 16405 final int flags; 16406 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16407 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16408 } else if (umInternal.isUserRunning(userId)) { 16409 flags = StorageManager.FLAG_STORAGE_DE; 16410 } else { 16411 flags = 0; 16412 } 16413 prepareAppDataContentsLIF(pkg, userId, flags); 16414 16415 return true; 16416 } 16417 16418 /** 16419 * Reverts user permission state changes (permissions and flags) in 16420 * all packages for a given user. 16421 * 16422 * @param userId The device user for which to do a reset. 16423 */ 16424 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16425 final int packageCount = mPackages.size(); 16426 for (int i = 0; i < packageCount; i++) { 16427 PackageParser.Package pkg = mPackages.valueAt(i); 16428 PackageSetting ps = (PackageSetting) pkg.mExtras; 16429 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16430 } 16431 } 16432 16433 private void resetNetworkPolicies(int userId) { 16434 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16435 } 16436 16437 /** 16438 * Reverts user permission state changes (permissions and flags). 16439 * 16440 * @param ps The package for which to reset. 16441 * @param userId The device user for which to do a reset. 16442 */ 16443 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16444 final PackageSetting ps, final int userId) { 16445 if (ps.pkg == null) { 16446 return; 16447 } 16448 16449 // These are flags that can change base on user actions. 16450 final int userSettableMask = FLAG_PERMISSION_USER_SET 16451 | FLAG_PERMISSION_USER_FIXED 16452 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16453 | FLAG_PERMISSION_REVIEW_REQUIRED; 16454 16455 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16456 | FLAG_PERMISSION_POLICY_FIXED; 16457 16458 boolean writeInstallPermissions = false; 16459 boolean writeRuntimePermissions = false; 16460 16461 final int permissionCount = ps.pkg.requestedPermissions.size(); 16462 for (int i = 0; i < permissionCount; i++) { 16463 String permission = ps.pkg.requestedPermissions.get(i); 16464 16465 BasePermission bp = mSettings.mPermissions.get(permission); 16466 if (bp == null) { 16467 continue; 16468 } 16469 16470 // If shared user we just reset the state to which only this app contributed. 16471 if (ps.sharedUser != null) { 16472 boolean used = false; 16473 final int packageCount = ps.sharedUser.packages.size(); 16474 for (int j = 0; j < packageCount; j++) { 16475 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16476 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16477 && pkg.pkg.requestedPermissions.contains(permission)) { 16478 used = true; 16479 break; 16480 } 16481 } 16482 if (used) { 16483 continue; 16484 } 16485 } 16486 16487 PermissionsState permissionsState = ps.getPermissionsState(); 16488 16489 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16490 16491 // Always clear the user settable flags. 16492 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16493 bp.name) != null; 16494 // If permission review is enabled and this is a legacy app, mark the 16495 // permission as requiring a review as this is the initial state. 16496 int flags = 0; 16497 if (Build.PERMISSIONS_REVIEW_REQUIRED 16498 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16499 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16500 } 16501 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16502 if (hasInstallState) { 16503 writeInstallPermissions = true; 16504 } else { 16505 writeRuntimePermissions = true; 16506 } 16507 } 16508 16509 // Below is only runtime permission handling. 16510 if (!bp.isRuntime()) { 16511 continue; 16512 } 16513 16514 // Never clobber system or policy. 16515 if ((oldFlags & policyOrSystemFlags) != 0) { 16516 continue; 16517 } 16518 16519 // If this permission was granted by default, make sure it is. 16520 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16521 if (permissionsState.grantRuntimePermission(bp, userId) 16522 != PERMISSION_OPERATION_FAILURE) { 16523 writeRuntimePermissions = true; 16524 } 16525 // If permission review is enabled the permissions for a legacy apps 16526 // are represented as constantly granted runtime ones, so don't revoke. 16527 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16528 // Otherwise, reset the permission. 16529 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16530 switch (revokeResult) { 16531 case PERMISSION_OPERATION_SUCCESS: 16532 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16533 writeRuntimePermissions = true; 16534 final int appId = ps.appId; 16535 mHandler.post(new Runnable() { 16536 @Override 16537 public void run() { 16538 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16539 } 16540 }); 16541 } break; 16542 } 16543 } 16544 } 16545 16546 // Synchronously write as we are taking permissions away. 16547 if (writeRuntimePermissions) { 16548 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16549 } 16550 16551 // Synchronously write as we are taking permissions away. 16552 if (writeInstallPermissions) { 16553 mSettings.writeLPr(); 16554 } 16555 } 16556 16557 /** 16558 * Remove entries from the keystore daemon. Will only remove it if the 16559 * {@code appId} is valid. 16560 */ 16561 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16562 if (appId < 0) { 16563 return; 16564 } 16565 16566 final KeyStore keyStore = KeyStore.getInstance(); 16567 if (keyStore != null) { 16568 if (userId == UserHandle.USER_ALL) { 16569 for (final int individual : sUserManager.getUserIds()) { 16570 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16571 } 16572 } else { 16573 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16574 } 16575 } else { 16576 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16577 } 16578 } 16579 16580 @Override 16581 public void deleteApplicationCacheFiles(final String packageName, 16582 final IPackageDataObserver observer) { 16583 final int userId = UserHandle.getCallingUserId(); 16584 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16585 } 16586 16587 @Override 16588 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16589 final IPackageDataObserver observer) { 16590 mContext.enforceCallingOrSelfPermission( 16591 android.Manifest.permission.DELETE_CACHE_FILES, null); 16592 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16593 /* requireFullPermission= */ true, /* checkShell= */ false, 16594 "delete application cache files"); 16595 16596 final PackageParser.Package pkg; 16597 synchronized (mPackages) { 16598 pkg = mPackages.get(packageName); 16599 } 16600 16601 // Queue up an async operation since the package deletion may take a little while. 16602 mHandler.post(new Runnable() { 16603 public void run() { 16604 synchronized (mInstallLock) { 16605 final int flags = StorageManager.FLAG_STORAGE_DE 16606 | StorageManager.FLAG_STORAGE_CE; 16607 // We're only clearing cache files, so we don't care if the 16608 // app is unfrozen and still able to run 16609 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16610 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16611 } 16612 clearExternalStorageDataSync(packageName, userId, false); 16613 if (observer != null) { 16614 try { 16615 observer.onRemoveCompleted(packageName, true); 16616 } catch (RemoteException e) { 16617 Log.i(TAG, "Observer no longer exists."); 16618 } 16619 } 16620 } 16621 }); 16622 } 16623 16624 @Override 16625 public void getPackageSizeInfo(final String packageName, int userHandle, 16626 final IPackageStatsObserver observer) { 16627 mContext.enforceCallingOrSelfPermission( 16628 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16629 if (packageName == null) { 16630 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16631 } 16632 16633 PackageStats stats = new PackageStats(packageName, userHandle); 16634 16635 /* 16636 * Queue up an async operation since the package measurement may take a 16637 * little while. 16638 */ 16639 Message msg = mHandler.obtainMessage(INIT_COPY); 16640 msg.obj = new MeasureParams(stats, observer); 16641 mHandler.sendMessage(msg); 16642 } 16643 16644 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16645 final PackageSetting ps; 16646 synchronized (mPackages) { 16647 ps = mSettings.mPackages.get(packageName); 16648 if (ps == null) { 16649 Slog.w(TAG, "Failed to find settings for " + packageName); 16650 return false; 16651 } 16652 } 16653 try { 16654 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16655 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16656 ps.getCeDataInode(userId), ps.codePathString, stats); 16657 } catch (InstallerException e) { 16658 Slog.w(TAG, String.valueOf(e)); 16659 return false; 16660 } 16661 16662 // For now, ignore code size of packages on system partition 16663 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16664 stats.codeSize = 0; 16665 } 16666 16667 return true; 16668 } 16669 16670 private int getUidTargetSdkVersionLockedLPr(int uid) { 16671 Object obj = mSettings.getUserIdLPr(uid); 16672 if (obj instanceof SharedUserSetting) { 16673 final SharedUserSetting sus = (SharedUserSetting) obj; 16674 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16675 final Iterator<PackageSetting> it = sus.packages.iterator(); 16676 while (it.hasNext()) { 16677 final PackageSetting ps = it.next(); 16678 if (ps.pkg != null) { 16679 int v = ps.pkg.applicationInfo.targetSdkVersion; 16680 if (v < vers) vers = v; 16681 } 16682 } 16683 return vers; 16684 } else if (obj instanceof PackageSetting) { 16685 final PackageSetting ps = (PackageSetting) obj; 16686 if (ps.pkg != null) { 16687 return ps.pkg.applicationInfo.targetSdkVersion; 16688 } 16689 } 16690 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16691 } 16692 16693 @Override 16694 public void addPreferredActivity(IntentFilter filter, int match, 16695 ComponentName[] set, ComponentName activity, int userId) { 16696 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16697 "Adding preferred"); 16698 } 16699 16700 private void addPreferredActivityInternal(IntentFilter filter, int match, 16701 ComponentName[] set, ComponentName activity, boolean always, int userId, 16702 String opname) { 16703 // writer 16704 int callingUid = Binder.getCallingUid(); 16705 enforceCrossUserPermission(callingUid, userId, 16706 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16707 if (filter.countActions() == 0) { 16708 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16709 return; 16710 } 16711 synchronized (mPackages) { 16712 if (mContext.checkCallingOrSelfPermission( 16713 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16714 != PackageManager.PERMISSION_GRANTED) { 16715 if (getUidTargetSdkVersionLockedLPr(callingUid) 16716 < Build.VERSION_CODES.FROYO) { 16717 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16718 + callingUid); 16719 return; 16720 } 16721 mContext.enforceCallingOrSelfPermission( 16722 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16723 } 16724 16725 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16726 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16727 + userId + ":"); 16728 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16729 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16730 scheduleWritePackageRestrictionsLocked(userId); 16731 postPreferredActivityChangedBroadcast(userId); 16732 } 16733 } 16734 16735 private void postPreferredActivityChangedBroadcast(int userId) { 16736 mHandler.post(() -> { 16737 final IActivityManager am = ActivityManagerNative.getDefault(); 16738 if (am == null) { 16739 return; 16740 } 16741 16742 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16743 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16744 try { 16745 am.broadcastIntent(null, intent, null, null, 16746 0, null, null, null, android.app.AppOpsManager.OP_NONE, 16747 null, false, false, userId); 16748 } catch (RemoteException e) { 16749 } 16750 }); 16751 } 16752 16753 @Override 16754 public void replacePreferredActivity(IntentFilter filter, int match, 16755 ComponentName[] set, ComponentName activity, int userId) { 16756 if (filter.countActions() != 1) { 16757 throw new IllegalArgumentException( 16758 "replacePreferredActivity expects filter to have only 1 action."); 16759 } 16760 if (filter.countDataAuthorities() != 0 16761 || filter.countDataPaths() != 0 16762 || filter.countDataSchemes() > 1 16763 || filter.countDataTypes() != 0) { 16764 throw new IllegalArgumentException( 16765 "replacePreferredActivity expects filter to have no data authorities, " + 16766 "paths, or types; and at most one scheme."); 16767 } 16768 16769 final int callingUid = Binder.getCallingUid(); 16770 enforceCrossUserPermission(callingUid, userId, 16771 true /* requireFullPermission */, false /* checkShell */, 16772 "replace preferred activity"); 16773 synchronized (mPackages) { 16774 if (mContext.checkCallingOrSelfPermission( 16775 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16776 != PackageManager.PERMISSION_GRANTED) { 16777 if (getUidTargetSdkVersionLockedLPr(callingUid) 16778 < Build.VERSION_CODES.FROYO) { 16779 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16780 + Binder.getCallingUid()); 16781 return; 16782 } 16783 mContext.enforceCallingOrSelfPermission( 16784 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16785 } 16786 16787 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16788 if (pir != null) { 16789 // Get all of the existing entries that exactly match this filter. 16790 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16791 if (existing != null && existing.size() == 1) { 16792 PreferredActivity cur = existing.get(0); 16793 if (DEBUG_PREFERRED) { 16794 Slog.i(TAG, "Checking replace of preferred:"); 16795 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16796 if (!cur.mPref.mAlways) { 16797 Slog.i(TAG, " -- CUR; not mAlways!"); 16798 } else { 16799 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16800 Slog.i(TAG, " -- CUR: mSet=" 16801 + Arrays.toString(cur.mPref.mSetComponents)); 16802 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16803 Slog.i(TAG, " -- NEW: mMatch=" 16804 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16805 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16806 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16807 } 16808 } 16809 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16810 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16811 && cur.mPref.sameSet(set)) { 16812 // Setting the preferred activity to what it happens to be already 16813 if (DEBUG_PREFERRED) { 16814 Slog.i(TAG, "Replacing with same preferred activity " 16815 + cur.mPref.mShortComponent + " for user " 16816 + userId + ":"); 16817 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16818 } 16819 return; 16820 } 16821 } 16822 16823 if (existing != null) { 16824 if (DEBUG_PREFERRED) { 16825 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16826 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16827 } 16828 for (int i = 0; i < existing.size(); i++) { 16829 PreferredActivity pa = existing.get(i); 16830 if (DEBUG_PREFERRED) { 16831 Slog.i(TAG, "Removing existing preferred activity " 16832 + pa.mPref.mComponent + ":"); 16833 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16834 } 16835 pir.removeFilter(pa); 16836 } 16837 } 16838 } 16839 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16840 "Replacing preferred"); 16841 } 16842 } 16843 16844 @Override 16845 public void clearPackagePreferredActivities(String packageName) { 16846 final int uid = Binder.getCallingUid(); 16847 // writer 16848 synchronized (mPackages) { 16849 PackageParser.Package pkg = mPackages.get(packageName); 16850 if (pkg == null || pkg.applicationInfo.uid != uid) { 16851 if (mContext.checkCallingOrSelfPermission( 16852 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16853 != PackageManager.PERMISSION_GRANTED) { 16854 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16855 < Build.VERSION_CODES.FROYO) { 16856 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16857 + Binder.getCallingUid()); 16858 return; 16859 } 16860 mContext.enforceCallingOrSelfPermission( 16861 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16862 } 16863 } 16864 16865 int user = UserHandle.getCallingUserId(); 16866 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16867 scheduleWritePackageRestrictionsLocked(user); 16868 } 16869 } 16870 } 16871 16872 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16873 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16874 ArrayList<PreferredActivity> removed = null; 16875 boolean changed = false; 16876 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16877 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16878 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16879 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16880 continue; 16881 } 16882 Iterator<PreferredActivity> it = pir.filterIterator(); 16883 while (it.hasNext()) { 16884 PreferredActivity pa = it.next(); 16885 // Mark entry for removal only if it matches the package name 16886 // and the entry is of type "always". 16887 if (packageName == null || 16888 (pa.mPref.mComponent.getPackageName().equals(packageName) 16889 && pa.mPref.mAlways)) { 16890 if (removed == null) { 16891 removed = new ArrayList<PreferredActivity>(); 16892 } 16893 removed.add(pa); 16894 } 16895 } 16896 if (removed != null) { 16897 for (int j=0; j<removed.size(); j++) { 16898 PreferredActivity pa = removed.get(j); 16899 pir.removeFilter(pa); 16900 } 16901 changed = true; 16902 } 16903 } 16904 if (changed) { 16905 postPreferredActivityChangedBroadcast(userId); 16906 } 16907 return changed; 16908 } 16909 16910 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16911 private void clearIntentFilterVerificationsLPw(int userId) { 16912 final int packageCount = mPackages.size(); 16913 for (int i = 0; i < packageCount; i++) { 16914 PackageParser.Package pkg = mPackages.valueAt(i); 16915 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16916 } 16917 } 16918 16919 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16920 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16921 if (userId == UserHandle.USER_ALL) { 16922 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16923 sUserManager.getUserIds())) { 16924 for (int oneUserId : sUserManager.getUserIds()) { 16925 scheduleWritePackageRestrictionsLocked(oneUserId); 16926 } 16927 } 16928 } else { 16929 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16930 scheduleWritePackageRestrictionsLocked(userId); 16931 } 16932 } 16933 } 16934 16935 void clearDefaultBrowserIfNeeded(String packageName) { 16936 for (int oneUserId : sUserManager.getUserIds()) { 16937 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16938 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16939 if (packageName.equals(defaultBrowserPackageName)) { 16940 setDefaultBrowserPackageName(null, oneUserId); 16941 } 16942 } 16943 } 16944 16945 @Override 16946 public void resetApplicationPreferences(int userId) { 16947 mContext.enforceCallingOrSelfPermission( 16948 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16949 final long identity = Binder.clearCallingIdentity(); 16950 // writer 16951 try { 16952 synchronized (mPackages) { 16953 clearPackagePreferredActivitiesLPw(null, userId); 16954 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16955 // TODO: We have to reset the default SMS and Phone. This requires 16956 // significant refactoring to keep all default apps in the package 16957 // manager (cleaner but more work) or have the services provide 16958 // callbacks to the package manager to request a default app reset. 16959 applyFactoryDefaultBrowserLPw(userId); 16960 clearIntentFilterVerificationsLPw(userId); 16961 primeDomainVerificationsLPw(userId); 16962 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16963 scheduleWritePackageRestrictionsLocked(userId); 16964 } 16965 resetNetworkPolicies(userId); 16966 } finally { 16967 Binder.restoreCallingIdentity(identity); 16968 } 16969 } 16970 16971 @Override 16972 public int getPreferredActivities(List<IntentFilter> outFilters, 16973 List<ComponentName> outActivities, String packageName) { 16974 16975 int num = 0; 16976 final int userId = UserHandle.getCallingUserId(); 16977 // reader 16978 synchronized (mPackages) { 16979 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16980 if (pir != null) { 16981 final Iterator<PreferredActivity> it = pir.filterIterator(); 16982 while (it.hasNext()) { 16983 final PreferredActivity pa = it.next(); 16984 if (packageName == null 16985 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16986 && pa.mPref.mAlways)) { 16987 if (outFilters != null) { 16988 outFilters.add(new IntentFilter(pa)); 16989 } 16990 if (outActivities != null) { 16991 outActivities.add(pa.mPref.mComponent); 16992 } 16993 } 16994 } 16995 } 16996 } 16997 16998 return num; 16999 } 17000 17001 @Override 17002 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17003 int userId) { 17004 int callingUid = Binder.getCallingUid(); 17005 if (callingUid != Process.SYSTEM_UID) { 17006 throw new SecurityException( 17007 "addPersistentPreferredActivity can only be run by the system"); 17008 } 17009 if (filter.countActions() == 0) { 17010 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17011 return; 17012 } 17013 synchronized (mPackages) { 17014 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17015 ":"); 17016 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17017 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17018 new PersistentPreferredActivity(filter, activity)); 17019 scheduleWritePackageRestrictionsLocked(userId); 17020 postPreferredActivityChangedBroadcast(userId); 17021 } 17022 } 17023 17024 @Override 17025 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17026 int callingUid = Binder.getCallingUid(); 17027 if (callingUid != Process.SYSTEM_UID) { 17028 throw new SecurityException( 17029 "clearPackagePersistentPreferredActivities can only be run by the system"); 17030 } 17031 ArrayList<PersistentPreferredActivity> removed = null; 17032 boolean changed = false; 17033 synchronized (mPackages) { 17034 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17035 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17036 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17037 .valueAt(i); 17038 if (userId != thisUserId) { 17039 continue; 17040 } 17041 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17042 while (it.hasNext()) { 17043 PersistentPreferredActivity ppa = it.next(); 17044 // Mark entry for removal only if it matches the package name. 17045 if (ppa.mComponent.getPackageName().equals(packageName)) { 17046 if (removed == null) { 17047 removed = new ArrayList<PersistentPreferredActivity>(); 17048 } 17049 removed.add(ppa); 17050 } 17051 } 17052 if (removed != null) { 17053 for (int j=0; j<removed.size(); j++) { 17054 PersistentPreferredActivity ppa = removed.get(j); 17055 ppir.removeFilter(ppa); 17056 } 17057 changed = true; 17058 } 17059 } 17060 17061 if (changed) { 17062 scheduleWritePackageRestrictionsLocked(userId); 17063 postPreferredActivityChangedBroadcast(userId); 17064 } 17065 } 17066 } 17067 17068 /** 17069 * Common machinery for picking apart a restored XML blob and passing 17070 * it to a caller-supplied functor to be applied to the running system. 17071 */ 17072 private void restoreFromXml(XmlPullParser parser, int userId, 17073 String expectedStartTag, BlobXmlRestorer functor) 17074 throws IOException, XmlPullParserException { 17075 int type; 17076 while ((type = parser.next()) != XmlPullParser.START_TAG 17077 && type != XmlPullParser.END_DOCUMENT) { 17078 } 17079 if (type != XmlPullParser.START_TAG) { 17080 // oops didn't find a start tag?! 17081 if (DEBUG_BACKUP) { 17082 Slog.e(TAG, "Didn't find start tag during restore"); 17083 } 17084 return; 17085 } 17086Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17087 // this is supposed to be TAG_PREFERRED_BACKUP 17088 if (!expectedStartTag.equals(parser.getName())) { 17089 if (DEBUG_BACKUP) { 17090 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17091 } 17092 return; 17093 } 17094 17095 // skip interfering stuff, then we're aligned with the backing implementation 17096 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17097Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17098 functor.apply(parser, userId); 17099 } 17100 17101 private interface BlobXmlRestorer { 17102 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17103 } 17104 17105 /** 17106 * Non-Binder method, support for the backup/restore mechanism: write the 17107 * full set of preferred activities in its canonical XML format. Returns the 17108 * XML output as a byte array, or null if there is none. 17109 */ 17110 @Override 17111 public byte[] getPreferredActivityBackup(int userId) { 17112 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17113 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17114 } 17115 17116 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17117 try { 17118 final XmlSerializer serializer = new FastXmlSerializer(); 17119 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17120 serializer.startDocument(null, true); 17121 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17122 17123 synchronized (mPackages) { 17124 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17125 } 17126 17127 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17128 serializer.endDocument(); 17129 serializer.flush(); 17130 } catch (Exception e) { 17131 if (DEBUG_BACKUP) { 17132 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17133 } 17134 return null; 17135 } 17136 17137 return dataStream.toByteArray(); 17138 } 17139 17140 @Override 17141 public void restorePreferredActivities(byte[] backup, int userId) { 17142 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17143 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17144 } 17145 17146 try { 17147 final XmlPullParser parser = Xml.newPullParser(); 17148 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17149 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17150 new BlobXmlRestorer() { 17151 @Override 17152 public void apply(XmlPullParser parser, int userId) 17153 throws XmlPullParserException, IOException { 17154 synchronized (mPackages) { 17155 mSettings.readPreferredActivitiesLPw(parser, userId); 17156 } 17157 } 17158 } ); 17159 } catch (Exception e) { 17160 if (DEBUG_BACKUP) { 17161 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17162 } 17163 } 17164 } 17165 17166 /** 17167 * Non-Binder method, support for the backup/restore mechanism: write the 17168 * default browser (etc) settings in its canonical XML format. Returns the default 17169 * browser XML representation as a byte array, or null if there is none. 17170 */ 17171 @Override 17172 public byte[] getDefaultAppsBackup(int userId) { 17173 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17174 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17175 } 17176 17177 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17178 try { 17179 final XmlSerializer serializer = new FastXmlSerializer(); 17180 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17181 serializer.startDocument(null, true); 17182 serializer.startTag(null, TAG_DEFAULT_APPS); 17183 17184 synchronized (mPackages) { 17185 mSettings.writeDefaultAppsLPr(serializer, userId); 17186 } 17187 17188 serializer.endTag(null, TAG_DEFAULT_APPS); 17189 serializer.endDocument(); 17190 serializer.flush(); 17191 } catch (Exception e) { 17192 if (DEBUG_BACKUP) { 17193 Slog.e(TAG, "Unable to write default apps for backup", e); 17194 } 17195 return null; 17196 } 17197 17198 return dataStream.toByteArray(); 17199 } 17200 17201 @Override 17202 public void restoreDefaultApps(byte[] backup, int userId) { 17203 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17204 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17205 } 17206 17207 try { 17208 final XmlPullParser parser = Xml.newPullParser(); 17209 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17210 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17211 new BlobXmlRestorer() { 17212 @Override 17213 public void apply(XmlPullParser parser, int userId) 17214 throws XmlPullParserException, IOException { 17215 synchronized (mPackages) { 17216 mSettings.readDefaultAppsLPw(parser, userId); 17217 } 17218 } 17219 } ); 17220 } catch (Exception e) { 17221 if (DEBUG_BACKUP) { 17222 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17223 } 17224 } 17225 } 17226 17227 @Override 17228 public byte[] getIntentFilterVerificationBackup(int userId) { 17229 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17230 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17231 } 17232 17233 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17234 try { 17235 final XmlSerializer serializer = new FastXmlSerializer(); 17236 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17237 serializer.startDocument(null, true); 17238 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17239 17240 synchronized (mPackages) { 17241 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17242 } 17243 17244 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17245 serializer.endDocument(); 17246 serializer.flush(); 17247 } catch (Exception e) { 17248 if (DEBUG_BACKUP) { 17249 Slog.e(TAG, "Unable to write default apps for backup", e); 17250 } 17251 return null; 17252 } 17253 17254 return dataStream.toByteArray(); 17255 } 17256 17257 @Override 17258 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17259 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17260 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17261 } 17262 17263 try { 17264 final XmlPullParser parser = Xml.newPullParser(); 17265 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17266 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17267 new BlobXmlRestorer() { 17268 @Override 17269 public void apply(XmlPullParser parser, int userId) 17270 throws XmlPullParserException, IOException { 17271 synchronized (mPackages) { 17272 mSettings.readAllDomainVerificationsLPr(parser, userId); 17273 mSettings.writeLPr(); 17274 } 17275 } 17276 } ); 17277 } catch (Exception e) { 17278 if (DEBUG_BACKUP) { 17279 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17280 } 17281 } 17282 } 17283 17284 @Override 17285 public byte[] getPermissionGrantBackup(int userId) { 17286 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17287 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17288 } 17289 17290 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17291 try { 17292 final XmlSerializer serializer = new FastXmlSerializer(); 17293 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17294 serializer.startDocument(null, true); 17295 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17296 17297 synchronized (mPackages) { 17298 serializeRuntimePermissionGrantsLPr(serializer, userId); 17299 } 17300 17301 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17302 serializer.endDocument(); 17303 serializer.flush(); 17304 } catch (Exception e) { 17305 if (DEBUG_BACKUP) { 17306 Slog.e(TAG, "Unable to write default apps for backup", e); 17307 } 17308 return null; 17309 } 17310 17311 return dataStream.toByteArray(); 17312 } 17313 17314 @Override 17315 public void restorePermissionGrants(byte[] backup, int userId) { 17316 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17317 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17318 } 17319 17320 try { 17321 final XmlPullParser parser = Xml.newPullParser(); 17322 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17323 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17324 new BlobXmlRestorer() { 17325 @Override 17326 public void apply(XmlPullParser parser, int userId) 17327 throws XmlPullParserException, IOException { 17328 synchronized (mPackages) { 17329 processRestoredPermissionGrantsLPr(parser, userId); 17330 } 17331 } 17332 } ); 17333 } catch (Exception e) { 17334 if (DEBUG_BACKUP) { 17335 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17336 } 17337 } 17338 } 17339 17340 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17341 throws IOException { 17342 serializer.startTag(null, TAG_ALL_GRANTS); 17343 17344 final int N = mSettings.mPackages.size(); 17345 for (int i = 0; i < N; i++) { 17346 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17347 boolean pkgGrantsKnown = false; 17348 17349 PermissionsState packagePerms = ps.getPermissionsState(); 17350 17351 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17352 final int grantFlags = state.getFlags(); 17353 // only look at grants that are not system/policy fixed 17354 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17355 final boolean isGranted = state.isGranted(); 17356 // And only back up the user-twiddled state bits 17357 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17358 final String packageName = mSettings.mPackages.keyAt(i); 17359 if (!pkgGrantsKnown) { 17360 serializer.startTag(null, TAG_GRANT); 17361 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17362 pkgGrantsKnown = true; 17363 } 17364 17365 final boolean userSet = 17366 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17367 final boolean userFixed = 17368 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17369 final boolean revoke = 17370 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17371 17372 serializer.startTag(null, TAG_PERMISSION); 17373 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17374 if (isGranted) { 17375 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17376 } 17377 if (userSet) { 17378 serializer.attribute(null, ATTR_USER_SET, "true"); 17379 } 17380 if (userFixed) { 17381 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17382 } 17383 if (revoke) { 17384 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17385 } 17386 serializer.endTag(null, TAG_PERMISSION); 17387 } 17388 } 17389 } 17390 17391 if (pkgGrantsKnown) { 17392 serializer.endTag(null, TAG_GRANT); 17393 } 17394 } 17395 17396 serializer.endTag(null, TAG_ALL_GRANTS); 17397 } 17398 17399 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17400 throws XmlPullParserException, IOException { 17401 String pkgName = null; 17402 int outerDepth = parser.getDepth(); 17403 int type; 17404 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17405 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17406 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17407 continue; 17408 } 17409 17410 final String tagName = parser.getName(); 17411 if (tagName.equals(TAG_GRANT)) { 17412 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17413 if (DEBUG_BACKUP) { 17414 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17415 } 17416 } else if (tagName.equals(TAG_PERMISSION)) { 17417 17418 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17419 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17420 17421 int newFlagSet = 0; 17422 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17423 newFlagSet |= FLAG_PERMISSION_USER_SET; 17424 } 17425 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17426 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17427 } 17428 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17429 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17430 } 17431 if (DEBUG_BACKUP) { 17432 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17433 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17434 } 17435 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17436 if (ps != null) { 17437 // Already installed so we apply the grant immediately 17438 if (DEBUG_BACKUP) { 17439 Slog.v(TAG, " + already installed; applying"); 17440 } 17441 PermissionsState perms = ps.getPermissionsState(); 17442 BasePermission bp = mSettings.mPermissions.get(permName); 17443 if (bp != null) { 17444 if (isGranted) { 17445 perms.grantRuntimePermission(bp, userId); 17446 } 17447 if (newFlagSet != 0) { 17448 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17449 } 17450 } 17451 } else { 17452 // Need to wait for post-restore install to apply the grant 17453 if (DEBUG_BACKUP) { 17454 Slog.v(TAG, " - not yet installed; saving for later"); 17455 } 17456 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17457 isGranted, newFlagSet, userId); 17458 } 17459 } else { 17460 PackageManagerService.reportSettingsProblem(Log.WARN, 17461 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17462 XmlUtils.skipCurrentTag(parser); 17463 } 17464 } 17465 17466 scheduleWriteSettingsLocked(); 17467 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17468 } 17469 17470 @Override 17471 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17472 int sourceUserId, int targetUserId, int flags) { 17473 mContext.enforceCallingOrSelfPermission( 17474 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17475 int callingUid = Binder.getCallingUid(); 17476 enforceOwnerRights(ownerPackage, callingUid); 17477 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17478 if (intentFilter.countActions() == 0) { 17479 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17480 return; 17481 } 17482 synchronized (mPackages) { 17483 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17484 ownerPackage, targetUserId, flags); 17485 CrossProfileIntentResolver resolver = 17486 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17487 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17488 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17489 if (existing != null) { 17490 int size = existing.size(); 17491 for (int i = 0; i < size; i++) { 17492 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17493 return; 17494 } 17495 } 17496 } 17497 resolver.addFilter(newFilter); 17498 scheduleWritePackageRestrictionsLocked(sourceUserId); 17499 } 17500 } 17501 17502 @Override 17503 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17504 mContext.enforceCallingOrSelfPermission( 17505 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17506 int callingUid = Binder.getCallingUid(); 17507 enforceOwnerRights(ownerPackage, callingUid); 17508 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17509 synchronized (mPackages) { 17510 CrossProfileIntentResolver resolver = 17511 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17512 ArraySet<CrossProfileIntentFilter> set = 17513 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17514 for (CrossProfileIntentFilter filter : set) { 17515 if (filter.getOwnerPackage().equals(ownerPackage)) { 17516 resolver.removeFilter(filter); 17517 } 17518 } 17519 scheduleWritePackageRestrictionsLocked(sourceUserId); 17520 } 17521 } 17522 17523 // Enforcing that callingUid is owning pkg on userId 17524 private void enforceOwnerRights(String pkg, int callingUid) { 17525 // The system owns everything. 17526 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17527 return; 17528 } 17529 int callingUserId = UserHandle.getUserId(callingUid); 17530 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17531 if (pi == null) { 17532 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17533 + callingUserId); 17534 } 17535 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17536 throw new SecurityException("Calling uid " + callingUid 17537 + " does not own package " + pkg); 17538 } 17539 } 17540 17541 @Override 17542 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17543 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17544 } 17545 17546 private Intent getHomeIntent() { 17547 Intent intent = new Intent(Intent.ACTION_MAIN); 17548 intent.addCategory(Intent.CATEGORY_HOME); 17549 intent.addCategory(Intent.CATEGORY_DEFAULT); 17550 return intent; 17551 } 17552 17553 private IntentFilter getHomeFilter() { 17554 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17555 filter.addCategory(Intent.CATEGORY_HOME); 17556 filter.addCategory(Intent.CATEGORY_DEFAULT); 17557 return filter; 17558 } 17559 17560 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17561 int userId) { 17562 Intent intent = getHomeIntent(); 17563 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17564 PackageManager.GET_META_DATA, userId); 17565 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17566 true, false, false, userId); 17567 17568 allHomeCandidates.clear(); 17569 if (list != null) { 17570 for (ResolveInfo ri : list) { 17571 allHomeCandidates.add(ri); 17572 } 17573 } 17574 return (preferred == null || preferred.activityInfo == null) 17575 ? null 17576 : new ComponentName(preferred.activityInfo.packageName, 17577 preferred.activityInfo.name); 17578 } 17579 17580 @Override 17581 public void setHomeActivity(ComponentName comp, int userId) { 17582 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17583 getHomeActivitiesAsUser(homeActivities, userId); 17584 17585 boolean found = false; 17586 17587 final int size = homeActivities.size(); 17588 final ComponentName[] set = new ComponentName[size]; 17589 for (int i = 0; i < size; i++) { 17590 final ResolveInfo candidate = homeActivities.get(i); 17591 final ActivityInfo info = candidate.activityInfo; 17592 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17593 set[i] = activityName; 17594 if (!found && activityName.equals(comp)) { 17595 found = true; 17596 } 17597 } 17598 if (!found) { 17599 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17600 + userId); 17601 } 17602 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17603 set, comp, userId); 17604 } 17605 17606 private @Nullable String getSetupWizardPackageName() { 17607 final Intent intent = new Intent(Intent.ACTION_MAIN); 17608 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17609 17610 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17611 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17612 | MATCH_DISABLED_COMPONENTS, 17613 UserHandle.myUserId()); 17614 if (matches.size() == 1) { 17615 return matches.get(0).getComponentInfo().packageName; 17616 } else { 17617 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17618 + ": matches=" + matches); 17619 return null; 17620 } 17621 } 17622 17623 @Override 17624 public void setApplicationEnabledSetting(String appPackageName, 17625 int newState, int flags, int userId, String callingPackage) { 17626 if (!sUserManager.exists(userId)) return; 17627 if (callingPackage == null) { 17628 callingPackage = Integer.toString(Binder.getCallingUid()); 17629 } 17630 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17631 } 17632 17633 @Override 17634 public void setComponentEnabledSetting(ComponentName componentName, 17635 int newState, int flags, int userId) { 17636 if (!sUserManager.exists(userId)) return; 17637 setEnabledSetting(componentName.getPackageName(), 17638 componentName.getClassName(), newState, flags, userId, null); 17639 } 17640 17641 private void setEnabledSetting(final String packageName, String className, int newState, 17642 final int flags, int userId, String callingPackage) { 17643 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17644 || newState == COMPONENT_ENABLED_STATE_ENABLED 17645 || newState == COMPONENT_ENABLED_STATE_DISABLED 17646 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17647 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17648 throw new IllegalArgumentException("Invalid new component state: " 17649 + newState); 17650 } 17651 PackageSetting pkgSetting; 17652 final int uid = Binder.getCallingUid(); 17653 final int permission; 17654 if (uid == Process.SYSTEM_UID) { 17655 permission = PackageManager.PERMISSION_GRANTED; 17656 } else { 17657 permission = mContext.checkCallingOrSelfPermission( 17658 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17659 } 17660 enforceCrossUserPermission(uid, userId, 17661 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17662 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17663 boolean sendNow = false; 17664 boolean isApp = (className == null); 17665 String componentName = isApp ? packageName : className; 17666 int packageUid = -1; 17667 ArrayList<String> components; 17668 17669 // writer 17670 synchronized (mPackages) { 17671 pkgSetting = mSettings.mPackages.get(packageName); 17672 if (pkgSetting == null) { 17673 if (className == null) { 17674 throw new IllegalArgumentException("Unknown package: " + packageName); 17675 } 17676 throw new IllegalArgumentException( 17677 "Unknown component: " + packageName + "/" + className); 17678 } 17679 } 17680 17681 // Limit who can change which apps 17682 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17683 // Don't allow apps that don't have permission to modify other apps 17684 if (!allowedByPermission) { 17685 throw new SecurityException( 17686 "Permission Denial: attempt to change component state from pid=" 17687 + Binder.getCallingPid() 17688 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17689 } 17690 // Don't allow changing protected packages. 17691 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17692 throw new SecurityException("Cannot disable a protected package: " + packageName); 17693 } 17694 } 17695 17696 synchronized (mPackages) { 17697 if (uid == Process.SHELL_UID) { 17698 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17699 int oldState = pkgSetting.getEnabled(userId); 17700 if (className == null 17701 && 17702 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17703 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17704 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17705 && 17706 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17707 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17708 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17709 // ok 17710 } else { 17711 throw new SecurityException( 17712 "Shell cannot change component state for " + packageName + "/" 17713 + className + " to " + newState); 17714 } 17715 } 17716 if (className == null) { 17717 // We're dealing with an application/package level state change 17718 if (pkgSetting.getEnabled(userId) == newState) { 17719 // Nothing to do 17720 return; 17721 } 17722 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17723 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17724 // Don't care about who enables an app. 17725 callingPackage = null; 17726 } 17727 pkgSetting.setEnabled(newState, userId, callingPackage); 17728 // pkgSetting.pkg.mSetEnabled = newState; 17729 } else { 17730 // We're dealing with a component level state change 17731 // First, verify that this is a valid class name. 17732 PackageParser.Package pkg = pkgSetting.pkg; 17733 if (pkg == null || !pkg.hasComponentClassName(className)) { 17734 if (pkg != null && 17735 pkg.applicationInfo.targetSdkVersion >= 17736 Build.VERSION_CODES.JELLY_BEAN) { 17737 throw new IllegalArgumentException("Component class " + className 17738 + " does not exist in " + packageName); 17739 } else { 17740 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17741 + className + " does not exist in " + packageName); 17742 } 17743 } 17744 switch (newState) { 17745 case COMPONENT_ENABLED_STATE_ENABLED: 17746 if (!pkgSetting.enableComponentLPw(className, userId)) { 17747 return; 17748 } 17749 break; 17750 case COMPONENT_ENABLED_STATE_DISABLED: 17751 if (!pkgSetting.disableComponentLPw(className, userId)) { 17752 return; 17753 } 17754 break; 17755 case COMPONENT_ENABLED_STATE_DEFAULT: 17756 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17757 return; 17758 } 17759 break; 17760 default: 17761 Slog.e(TAG, "Invalid new component state: " + newState); 17762 return; 17763 } 17764 } 17765 scheduleWritePackageRestrictionsLocked(userId); 17766 components = mPendingBroadcasts.get(userId, packageName); 17767 final boolean newPackage = components == null; 17768 if (newPackage) { 17769 components = new ArrayList<String>(); 17770 } 17771 if (!components.contains(componentName)) { 17772 components.add(componentName); 17773 } 17774 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17775 sendNow = true; 17776 // Purge entry from pending broadcast list if another one exists already 17777 // since we are sending one right away. 17778 mPendingBroadcasts.remove(userId, packageName); 17779 } else { 17780 if (newPackage) { 17781 mPendingBroadcasts.put(userId, packageName, components); 17782 } 17783 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17784 // Schedule a message 17785 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17786 } 17787 } 17788 } 17789 17790 long callingId = Binder.clearCallingIdentity(); 17791 try { 17792 if (sendNow) { 17793 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17794 sendPackageChangedBroadcast(packageName, 17795 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17796 } 17797 } finally { 17798 Binder.restoreCallingIdentity(callingId); 17799 } 17800 } 17801 17802 @Override 17803 public void flushPackageRestrictionsAsUser(int userId) { 17804 if (!sUserManager.exists(userId)) { 17805 return; 17806 } 17807 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17808 false /* checkShell */, "flushPackageRestrictions"); 17809 synchronized (mPackages) { 17810 mSettings.writePackageRestrictionsLPr(userId); 17811 mDirtyUsers.remove(userId); 17812 if (mDirtyUsers.isEmpty()) { 17813 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17814 } 17815 } 17816 } 17817 17818 private void sendPackageChangedBroadcast(String packageName, 17819 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17820 if (DEBUG_INSTALL) 17821 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17822 + componentNames); 17823 Bundle extras = new Bundle(4); 17824 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17825 String nameList[] = new String[componentNames.size()]; 17826 componentNames.toArray(nameList); 17827 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17828 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17829 extras.putInt(Intent.EXTRA_UID, packageUid); 17830 // If this is not reporting a change of the overall package, then only send it 17831 // to registered receivers. We don't want to launch a swath of apps for every 17832 // little component state change. 17833 final int flags = !componentNames.contains(packageName) 17834 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17835 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17836 new int[] {UserHandle.getUserId(packageUid)}); 17837 } 17838 17839 @Override 17840 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17841 if (!sUserManager.exists(userId)) return; 17842 final int uid = Binder.getCallingUid(); 17843 final int permission = mContext.checkCallingOrSelfPermission( 17844 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17845 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17846 enforceCrossUserPermission(uid, userId, 17847 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17848 // writer 17849 synchronized (mPackages) { 17850 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17851 allowedByPermission, uid, userId)) { 17852 scheduleWritePackageRestrictionsLocked(userId); 17853 } 17854 } 17855 } 17856 17857 @Override 17858 public String getInstallerPackageName(String packageName) { 17859 // reader 17860 synchronized (mPackages) { 17861 return mSettings.getInstallerPackageNameLPr(packageName); 17862 } 17863 } 17864 17865 public boolean isOrphaned(String packageName) { 17866 // reader 17867 synchronized (mPackages) { 17868 return mSettings.isOrphaned(packageName); 17869 } 17870 } 17871 17872 @Override 17873 public int getApplicationEnabledSetting(String packageName, int userId) { 17874 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17875 int uid = Binder.getCallingUid(); 17876 enforceCrossUserPermission(uid, userId, 17877 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17878 // reader 17879 synchronized (mPackages) { 17880 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17881 } 17882 } 17883 17884 @Override 17885 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17886 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17887 int uid = Binder.getCallingUid(); 17888 enforceCrossUserPermission(uid, userId, 17889 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17890 // reader 17891 synchronized (mPackages) { 17892 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17893 } 17894 } 17895 17896 @Override 17897 public void enterSafeMode() { 17898 enforceSystemOrRoot("Only the system can request entering safe mode"); 17899 17900 if (!mSystemReady) { 17901 mSafeMode = true; 17902 } 17903 } 17904 17905 @Override 17906 public void systemReady() { 17907 mSystemReady = true; 17908 17909 // Read the compatibilty setting when the system is ready. 17910 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17911 mContext.getContentResolver(), 17912 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17913 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17914 if (DEBUG_SETTINGS) { 17915 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17916 } 17917 17918 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17919 17920 synchronized (mPackages) { 17921 // Verify that all of the preferred activity components actually 17922 // exist. It is possible for applications to be updated and at 17923 // that point remove a previously declared activity component that 17924 // had been set as a preferred activity. We try to clean this up 17925 // the next time we encounter that preferred activity, but it is 17926 // possible for the user flow to never be able to return to that 17927 // situation so here we do a sanity check to make sure we haven't 17928 // left any junk around. 17929 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17930 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17931 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17932 removed.clear(); 17933 for (PreferredActivity pa : pir.filterSet()) { 17934 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17935 removed.add(pa); 17936 } 17937 } 17938 if (removed.size() > 0) { 17939 for (int r=0; r<removed.size(); r++) { 17940 PreferredActivity pa = removed.get(r); 17941 Slog.w(TAG, "Removing dangling preferred activity: " 17942 + pa.mPref.mComponent); 17943 pir.removeFilter(pa); 17944 } 17945 mSettings.writePackageRestrictionsLPr( 17946 mSettings.mPreferredActivities.keyAt(i)); 17947 } 17948 } 17949 17950 for (int userId : UserManagerService.getInstance().getUserIds()) { 17951 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17952 grantPermissionsUserIds = ArrayUtils.appendInt( 17953 grantPermissionsUserIds, userId); 17954 } 17955 } 17956 } 17957 sUserManager.systemReady(); 17958 17959 // If we upgraded grant all default permissions before kicking off. 17960 for (int userId : grantPermissionsUserIds) { 17961 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17962 } 17963 17964 // Kick off any messages waiting for system ready 17965 if (mPostSystemReadyMessages != null) { 17966 for (Message msg : mPostSystemReadyMessages) { 17967 msg.sendToTarget(); 17968 } 17969 mPostSystemReadyMessages = null; 17970 } 17971 17972 // Watch for external volumes that come and go over time 17973 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17974 storage.registerListener(mStorageListener); 17975 17976 mInstallerService.systemReady(); 17977 mPackageDexOptimizer.systemReady(); 17978 17979 MountServiceInternal mountServiceInternal = LocalServices.getService( 17980 MountServiceInternal.class); 17981 mountServiceInternal.addExternalStoragePolicy( 17982 new MountServiceInternal.ExternalStorageMountPolicy() { 17983 @Override 17984 public int getMountMode(int uid, String packageName) { 17985 if (Process.isIsolated(uid)) { 17986 return Zygote.MOUNT_EXTERNAL_NONE; 17987 } 17988 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17989 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17990 } 17991 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17992 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17993 } 17994 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17995 return Zygote.MOUNT_EXTERNAL_READ; 17996 } 17997 return Zygote.MOUNT_EXTERNAL_WRITE; 17998 } 17999 18000 @Override 18001 public boolean hasExternalStorage(int uid, String packageName) { 18002 return true; 18003 } 18004 }); 18005 18006 // Now that we're mostly running, clean up stale users and apps 18007 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18008 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18009 } 18010 18011 @Override 18012 public boolean isSafeMode() { 18013 return mSafeMode; 18014 } 18015 18016 @Override 18017 public boolean hasSystemUidErrors() { 18018 return mHasSystemUidErrors; 18019 } 18020 18021 static String arrayToString(int[] array) { 18022 StringBuffer buf = new StringBuffer(128); 18023 buf.append('['); 18024 if (array != null) { 18025 for (int i=0; i<array.length; i++) { 18026 if (i > 0) buf.append(", "); 18027 buf.append(array[i]); 18028 } 18029 } 18030 buf.append(']'); 18031 return buf.toString(); 18032 } 18033 18034 static class DumpState { 18035 public static final int DUMP_LIBS = 1 << 0; 18036 public static final int DUMP_FEATURES = 1 << 1; 18037 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18038 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18039 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18040 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18041 public static final int DUMP_PERMISSIONS = 1 << 6; 18042 public static final int DUMP_PACKAGES = 1 << 7; 18043 public static final int DUMP_SHARED_USERS = 1 << 8; 18044 public static final int DUMP_MESSAGES = 1 << 9; 18045 public static final int DUMP_PROVIDERS = 1 << 10; 18046 public static final int DUMP_VERIFIERS = 1 << 11; 18047 public static final int DUMP_PREFERRED = 1 << 12; 18048 public static final int DUMP_PREFERRED_XML = 1 << 13; 18049 public static final int DUMP_KEYSETS = 1 << 14; 18050 public static final int DUMP_VERSION = 1 << 15; 18051 public static final int DUMP_INSTALLS = 1 << 16; 18052 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18053 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18054 public static final int DUMP_FROZEN = 1 << 19; 18055 public static final int DUMP_DEXOPT = 1 << 20; 18056 public static final int DUMP_COMPILER_STATS = 1 << 21; 18057 18058 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18059 18060 private int mTypes; 18061 18062 private int mOptions; 18063 18064 private boolean mTitlePrinted; 18065 18066 private SharedUserSetting mSharedUser; 18067 18068 public boolean isDumping(int type) { 18069 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18070 return true; 18071 } 18072 18073 return (mTypes & type) != 0; 18074 } 18075 18076 public void setDump(int type) { 18077 mTypes |= type; 18078 } 18079 18080 public boolean isOptionEnabled(int option) { 18081 return (mOptions & option) != 0; 18082 } 18083 18084 public void setOptionEnabled(int option) { 18085 mOptions |= option; 18086 } 18087 18088 public boolean onTitlePrinted() { 18089 final boolean printed = mTitlePrinted; 18090 mTitlePrinted = true; 18091 return printed; 18092 } 18093 18094 public boolean getTitlePrinted() { 18095 return mTitlePrinted; 18096 } 18097 18098 public void setTitlePrinted(boolean enabled) { 18099 mTitlePrinted = enabled; 18100 } 18101 18102 public SharedUserSetting getSharedUser() { 18103 return mSharedUser; 18104 } 18105 18106 public void setSharedUser(SharedUserSetting user) { 18107 mSharedUser = user; 18108 } 18109 } 18110 18111 @Override 18112 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18113 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18114 (new PackageManagerShellCommand(this)).exec( 18115 this, in, out, err, args, resultReceiver); 18116 } 18117 18118 @Override 18119 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18120 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18121 != PackageManager.PERMISSION_GRANTED) { 18122 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18123 + Binder.getCallingPid() 18124 + ", uid=" + Binder.getCallingUid() 18125 + " without permission " 18126 + android.Manifest.permission.DUMP); 18127 return; 18128 } 18129 18130 DumpState dumpState = new DumpState(); 18131 boolean fullPreferred = false; 18132 boolean checkin = false; 18133 18134 String packageName = null; 18135 ArraySet<String> permissionNames = null; 18136 18137 int opti = 0; 18138 while (opti < args.length) { 18139 String opt = args[opti]; 18140 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18141 break; 18142 } 18143 opti++; 18144 18145 if ("-a".equals(opt)) { 18146 // Right now we only know how to print all. 18147 } else if ("-h".equals(opt)) { 18148 pw.println("Package manager dump options:"); 18149 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18150 pw.println(" --checkin: dump for a checkin"); 18151 pw.println(" -f: print details of intent filters"); 18152 pw.println(" -h: print this help"); 18153 pw.println(" cmd may be one of:"); 18154 pw.println(" l[ibraries]: list known shared libraries"); 18155 pw.println(" f[eatures]: list device features"); 18156 pw.println(" k[eysets]: print known keysets"); 18157 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18158 pw.println(" perm[issions]: dump permissions"); 18159 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18160 pw.println(" pref[erred]: print preferred package settings"); 18161 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18162 pw.println(" prov[iders]: dump content providers"); 18163 pw.println(" p[ackages]: dump installed packages"); 18164 pw.println(" s[hared-users]: dump shared user IDs"); 18165 pw.println(" m[essages]: print collected runtime messages"); 18166 pw.println(" v[erifiers]: print package verifier info"); 18167 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18168 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18169 pw.println(" version: print database version info"); 18170 pw.println(" write: write current settings now"); 18171 pw.println(" installs: details about install sessions"); 18172 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18173 pw.println(" dexopt: dump dexopt state"); 18174 pw.println(" compiler-stats: dump compiler statistics"); 18175 pw.println(" <package.name>: info about given package"); 18176 return; 18177 } else if ("--checkin".equals(opt)) { 18178 checkin = true; 18179 } else if ("-f".equals(opt)) { 18180 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18181 } else { 18182 pw.println("Unknown argument: " + opt + "; use -h for help"); 18183 } 18184 } 18185 18186 // Is the caller requesting to dump a particular piece of data? 18187 if (opti < args.length) { 18188 String cmd = args[opti]; 18189 opti++; 18190 // Is this a package name? 18191 if ("android".equals(cmd) || cmd.contains(".")) { 18192 packageName = cmd; 18193 // When dumping a single package, we always dump all of its 18194 // filter information since the amount of data will be reasonable. 18195 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18196 } else if ("check-permission".equals(cmd)) { 18197 if (opti >= args.length) { 18198 pw.println("Error: check-permission missing permission argument"); 18199 return; 18200 } 18201 String perm = args[opti]; 18202 opti++; 18203 if (opti >= args.length) { 18204 pw.println("Error: check-permission missing package argument"); 18205 return; 18206 } 18207 String pkg = args[opti]; 18208 opti++; 18209 int user = UserHandle.getUserId(Binder.getCallingUid()); 18210 if (opti < args.length) { 18211 try { 18212 user = Integer.parseInt(args[opti]); 18213 } catch (NumberFormatException e) { 18214 pw.println("Error: check-permission user argument is not a number: " 18215 + args[opti]); 18216 return; 18217 } 18218 } 18219 pw.println(checkPermission(perm, pkg, user)); 18220 return; 18221 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18222 dumpState.setDump(DumpState.DUMP_LIBS); 18223 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18224 dumpState.setDump(DumpState.DUMP_FEATURES); 18225 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18226 if (opti >= args.length) { 18227 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18228 | DumpState.DUMP_SERVICE_RESOLVERS 18229 | DumpState.DUMP_RECEIVER_RESOLVERS 18230 | DumpState.DUMP_CONTENT_RESOLVERS); 18231 } else { 18232 while (opti < args.length) { 18233 String name = args[opti]; 18234 if ("a".equals(name) || "activity".equals(name)) { 18235 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18236 } else if ("s".equals(name) || "service".equals(name)) { 18237 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18238 } else if ("r".equals(name) || "receiver".equals(name)) { 18239 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18240 } else if ("c".equals(name) || "content".equals(name)) { 18241 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18242 } else { 18243 pw.println("Error: unknown resolver table type: " + name); 18244 return; 18245 } 18246 opti++; 18247 } 18248 } 18249 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18250 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18251 } else if ("permission".equals(cmd)) { 18252 if (opti >= args.length) { 18253 pw.println("Error: permission requires permission name"); 18254 return; 18255 } 18256 permissionNames = new ArraySet<>(); 18257 while (opti < args.length) { 18258 permissionNames.add(args[opti]); 18259 opti++; 18260 } 18261 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18262 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18263 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18264 dumpState.setDump(DumpState.DUMP_PREFERRED); 18265 } else if ("preferred-xml".equals(cmd)) { 18266 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18267 if (opti < args.length && "--full".equals(args[opti])) { 18268 fullPreferred = true; 18269 opti++; 18270 } 18271 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18272 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18273 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18274 dumpState.setDump(DumpState.DUMP_PACKAGES); 18275 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18276 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18277 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18278 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18279 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18280 dumpState.setDump(DumpState.DUMP_MESSAGES); 18281 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18282 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18283 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18284 || "intent-filter-verifiers".equals(cmd)) { 18285 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18286 } else if ("version".equals(cmd)) { 18287 dumpState.setDump(DumpState.DUMP_VERSION); 18288 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18289 dumpState.setDump(DumpState.DUMP_KEYSETS); 18290 } else if ("installs".equals(cmd)) { 18291 dumpState.setDump(DumpState.DUMP_INSTALLS); 18292 } else if ("frozen".equals(cmd)) { 18293 dumpState.setDump(DumpState.DUMP_FROZEN); 18294 } else if ("dexopt".equals(cmd)) { 18295 dumpState.setDump(DumpState.DUMP_DEXOPT); 18296 } else if ("compiler-stats".equals(cmd)) { 18297 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18298 } else if ("write".equals(cmd)) { 18299 synchronized (mPackages) { 18300 mSettings.writeLPr(); 18301 pw.println("Settings written."); 18302 return; 18303 } 18304 } 18305 } 18306 18307 if (checkin) { 18308 pw.println("vers,1"); 18309 } 18310 18311 // reader 18312 synchronized (mPackages) { 18313 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18314 if (!checkin) { 18315 if (dumpState.onTitlePrinted()) 18316 pw.println(); 18317 pw.println("Database versions:"); 18318 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18319 } 18320 } 18321 18322 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18323 if (!checkin) { 18324 if (dumpState.onTitlePrinted()) 18325 pw.println(); 18326 pw.println("Verifiers:"); 18327 pw.print(" Required: "); 18328 pw.print(mRequiredVerifierPackage); 18329 pw.print(" (uid="); 18330 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18331 UserHandle.USER_SYSTEM)); 18332 pw.println(")"); 18333 } else if (mRequiredVerifierPackage != null) { 18334 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18335 pw.print(","); 18336 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18337 UserHandle.USER_SYSTEM)); 18338 } 18339 } 18340 18341 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18342 packageName == null) { 18343 if (mIntentFilterVerifierComponent != null) { 18344 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18345 if (!checkin) { 18346 if (dumpState.onTitlePrinted()) 18347 pw.println(); 18348 pw.println("Intent Filter Verifier:"); 18349 pw.print(" Using: "); 18350 pw.print(verifierPackageName); 18351 pw.print(" (uid="); 18352 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18353 UserHandle.USER_SYSTEM)); 18354 pw.println(")"); 18355 } else if (verifierPackageName != null) { 18356 pw.print("ifv,"); pw.print(verifierPackageName); 18357 pw.print(","); 18358 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18359 UserHandle.USER_SYSTEM)); 18360 } 18361 } else { 18362 pw.println(); 18363 pw.println("No Intent Filter Verifier available!"); 18364 } 18365 } 18366 18367 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18368 boolean printedHeader = false; 18369 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18370 while (it.hasNext()) { 18371 String name = it.next(); 18372 SharedLibraryEntry ent = mSharedLibraries.get(name); 18373 if (!checkin) { 18374 if (!printedHeader) { 18375 if (dumpState.onTitlePrinted()) 18376 pw.println(); 18377 pw.println("Libraries:"); 18378 printedHeader = true; 18379 } 18380 pw.print(" "); 18381 } else { 18382 pw.print("lib,"); 18383 } 18384 pw.print(name); 18385 if (!checkin) { 18386 pw.print(" -> "); 18387 } 18388 if (ent.path != null) { 18389 if (!checkin) { 18390 pw.print("(jar) "); 18391 pw.print(ent.path); 18392 } else { 18393 pw.print(",jar,"); 18394 pw.print(ent.path); 18395 } 18396 } else { 18397 if (!checkin) { 18398 pw.print("(apk) "); 18399 pw.print(ent.apk); 18400 } else { 18401 pw.print(",apk,"); 18402 pw.print(ent.apk); 18403 } 18404 } 18405 pw.println(); 18406 } 18407 } 18408 18409 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18410 if (dumpState.onTitlePrinted()) 18411 pw.println(); 18412 if (!checkin) { 18413 pw.println("Features:"); 18414 } 18415 18416 for (FeatureInfo feat : mAvailableFeatures.values()) { 18417 if (checkin) { 18418 pw.print("feat,"); 18419 pw.print(feat.name); 18420 pw.print(","); 18421 pw.println(feat.version); 18422 } else { 18423 pw.print(" "); 18424 pw.print(feat.name); 18425 if (feat.version > 0) { 18426 pw.print(" version="); 18427 pw.print(feat.version); 18428 } 18429 pw.println(); 18430 } 18431 } 18432 } 18433 18434 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18435 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18436 : "Activity Resolver Table:", " ", packageName, 18437 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18438 dumpState.setTitlePrinted(true); 18439 } 18440 } 18441 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18442 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18443 : "Receiver Resolver Table:", " ", packageName, 18444 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18445 dumpState.setTitlePrinted(true); 18446 } 18447 } 18448 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18449 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18450 : "Service Resolver Table:", " ", packageName, 18451 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18452 dumpState.setTitlePrinted(true); 18453 } 18454 } 18455 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18456 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18457 : "Provider Resolver Table:", " ", packageName, 18458 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18459 dumpState.setTitlePrinted(true); 18460 } 18461 } 18462 18463 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18464 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18465 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18466 int user = mSettings.mPreferredActivities.keyAt(i); 18467 if (pir.dump(pw, 18468 dumpState.getTitlePrinted() 18469 ? "\nPreferred Activities User " + user + ":" 18470 : "Preferred Activities User " + user + ":", " ", 18471 packageName, true, false)) { 18472 dumpState.setTitlePrinted(true); 18473 } 18474 } 18475 } 18476 18477 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18478 pw.flush(); 18479 FileOutputStream fout = new FileOutputStream(fd); 18480 BufferedOutputStream str = new BufferedOutputStream(fout); 18481 XmlSerializer serializer = new FastXmlSerializer(); 18482 try { 18483 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18484 serializer.startDocument(null, true); 18485 serializer.setFeature( 18486 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18487 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18488 serializer.endDocument(); 18489 serializer.flush(); 18490 } catch (IllegalArgumentException e) { 18491 pw.println("Failed writing: " + e); 18492 } catch (IllegalStateException e) { 18493 pw.println("Failed writing: " + e); 18494 } catch (IOException e) { 18495 pw.println("Failed writing: " + e); 18496 } 18497 } 18498 18499 if (!checkin 18500 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18501 && packageName == null) { 18502 pw.println(); 18503 int count = mSettings.mPackages.size(); 18504 if (count == 0) { 18505 pw.println("No applications!"); 18506 pw.println(); 18507 } else { 18508 final String prefix = " "; 18509 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18510 if (allPackageSettings.size() == 0) { 18511 pw.println("No domain preferred apps!"); 18512 pw.println(); 18513 } else { 18514 pw.println("App verification status:"); 18515 pw.println(); 18516 count = 0; 18517 for (PackageSetting ps : allPackageSettings) { 18518 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18519 if (ivi == null || ivi.getPackageName() == null) continue; 18520 pw.println(prefix + "Package: " + ivi.getPackageName()); 18521 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18522 pw.println(prefix + "Status: " + ivi.getStatusString()); 18523 pw.println(); 18524 count++; 18525 } 18526 if (count == 0) { 18527 pw.println(prefix + "No app verification established."); 18528 pw.println(); 18529 } 18530 for (int userId : sUserManager.getUserIds()) { 18531 pw.println("App linkages for user " + userId + ":"); 18532 pw.println(); 18533 count = 0; 18534 for (PackageSetting ps : allPackageSettings) { 18535 final long status = ps.getDomainVerificationStatusForUser(userId); 18536 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18537 continue; 18538 } 18539 pw.println(prefix + "Package: " + ps.name); 18540 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18541 String statusStr = IntentFilterVerificationInfo. 18542 getStatusStringFromValue(status); 18543 pw.println(prefix + "Status: " + statusStr); 18544 pw.println(); 18545 count++; 18546 } 18547 if (count == 0) { 18548 pw.println(prefix + "No configured app linkages."); 18549 pw.println(); 18550 } 18551 } 18552 } 18553 } 18554 } 18555 18556 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18557 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18558 if (packageName == null && permissionNames == null) { 18559 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18560 if (iperm == 0) { 18561 if (dumpState.onTitlePrinted()) 18562 pw.println(); 18563 pw.println("AppOp Permissions:"); 18564 } 18565 pw.print(" AppOp Permission "); 18566 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18567 pw.println(":"); 18568 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18569 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18570 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18571 } 18572 } 18573 } 18574 } 18575 18576 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18577 boolean printedSomething = false; 18578 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18579 if (packageName != null && !packageName.equals(p.info.packageName)) { 18580 continue; 18581 } 18582 if (!printedSomething) { 18583 if (dumpState.onTitlePrinted()) 18584 pw.println(); 18585 pw.println("Registered ContentProviders:"); 18586 printedSomething = true; 18587 } 18588 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18589 pw.print(" "); pw.println(p.toString()); 18590 } 18591 printedSomething = false; 18592 for (Map.Entry<String, PackageParser.Provider> entry : 18593 mProvidersByAuthority.entrySet()) { 18594 PackageParser.Provider p = entry.getValue(); 18595 if (packageName != null && !packageName.equals(p.info.packageName)) { 18596 continue; 18597 } 18598 if (!printedSomething) { 18599 if (dumpState.onTitlePrinted()) 18600 pw.println(); 18601 pw.println("ContentProvider Authorities:"); 18602 printedSomething = true; 18603 } 18604 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18605 pw.print(" "); pw.println(p.toString()); 18606 if (p.info != null && p.info.applicationInfo != null) { 18607 final String appInfo = p.info.applicationInfo.toString(); 18608 pw.print(" applicationInfo="); pw.println(appInfo); 18609 } 18610 } 18611 } 18612 18613 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18614 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18615 } 18616 18617 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18618 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18619 } 18620 18621 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18622 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18623 } 18624 18625 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18626 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18627 } 18628 18629 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18630 // XXX should handle packageName != null by dumping only install data that 18631 // the given package is involved with. 18632 if (dumpState.onTitlePrinted()) pw.println(); 18633 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18634 } 18635 18636 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18637 // XXX should handle packageName != null by dumping only install data that 18638 // the given package is involved with. 18639 if (dumpState.onTitlePrinted()) pw.println(); 18640 18641 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18642 ipw.println(); 18643 ipw.println("Frozen packages:"); 18644 ipw.increaseIndent(); 18645 if (mFrozenPackages.size() == 0) { 18646 ipw.println("(none)"); 18647 } else { 18648 for (int i = 0; i < mFrozenPackages.size(); i++) { 18649 ipw.println(mFrozenPackages.valueAt(i)); 18650 } 18651 } 18652 ipw.decreaseIndent(); 18653 } 18654 18655 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18656 if (dumpState.onTitlePrinted()) pw.println(); 18657 dumpDexoptStateLPr(pw, packageName); 18658 } 18659 18660 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18661 if (dumpState.onTitlePrinted()) pw.println(); 18662 dumpCompilerStatsLPr(pw, packageName); 18663 } 18664 18665 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18666 if (dumpState.onTitlePrinted()) pw.println(); 18667 mSettings.dumpReadMessagesLPr(pw, dumpState); 18668 18669 pw.println(); 18670 pw.println("Package warning messages:"); 18671 BufferedReader in = null; 18672 String line = null; 18673 try { 18674 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18675 while ((line = in.readLine()) != null) { 18676 if (line.contains("ignored: updated version")) continue; 18677 pw.println(line); 18678 } 18679 } catch (IOException ignored) { 18680 } finally { 18681 IoUtils.closeQuietly(in); 18682 } 18683 } 18684 18685 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18686 BufferedReader in = null; 18687 String line = null; 18688 try { 18689 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18690 while ((line = in.readLine()) != null) { 18691 if (line.contains("ignored: updated version")) continue; 18692 pw.print("msg,"); 18693 pw.println(line); 18694 } 18695 } catch (IOException ignored) { 18696 } finally { 18697 IoUtils.closeQuietly(in); 18698 } 18699 } 18700 } 18701 } 18702 18703 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18704 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18705 ipw.println(); 18706 ipw.println("Dexopt state:"); 18707 ipw.increaseIndent(); 18708 Collection<PackageParser.Package> packages = null; 18709 if (packageName != null) { 18710 PackageParser.Package targetPackage = mPackages.get(packageName); 18711 if (targetPackage != null) { 18712 packages = Collections.singletonList(targetPackage); 18713 } else { 18714 ipw.println("Unable to find package: " + packageName); 18715 return; 18716 } 18717 } else { 18718 packages = mPackages.values(); 18719 } 18720 18721 for (PackageParser.Package pkg : packages) { 18722 ipw.println("[" + pkg.packageName + "]"); 18723 ipw.increaseIndent(); 18724 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18725 ipw.decreaseIndent(); 18726 } 18727 } 18728 18729 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18730 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18731 ipw.println(); 18732 ipw.println("Compiler stats:"); 18733 ipw.increaseIndent(); 18734 Collection<PackageParser.Package> packages = null; 18735 if (packageName != null) { 18736 PackageParser.Package targetPackage = mPackages.get(packageName); 18737 if (targetPackage != null) { 18738 packages = Collections.singletonList(targetPackage); 18739 } else { 18740 ipw.println("Unable to find package: " + packageName); 18741 return; 18742 } 18743 } else { 18744 packages = mPackages.values(); 18745 } 18746 18747 for (PackageParser.Package pkg : packages) { 18748 ipw.println("[" + pkg.packageName + "]"); 18749 ipw.increaseIndent(); 18750 18751 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18752 if (stats == null) { 18753 ipw.println("(No recorded stats)"); 18754 } else { 18755 stats.dump(ipw); 18756 } 18757 ipw.decreaseIndent(); 18758 } 18759 } 18760 18761 private String dumpDomainString(String packageName) { 18762 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18763 .getList(); 18764 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18765 18766 ArraySet<String> result = new ArraySet<>(); 18767 if (iviList.size() > 0) { 18768 for (IntentFilterVerificationInfo ivi : iviList) { 18769 for (String host : ivi.getDomains()) { 18770 result.add(host); 18771 } 18772 } 18773 } 18774 if (filters != null && filters.size() > 0) { 18775 for (IntentFilter filter : filters) { 18776 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18777 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18778 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18779 result.addAll(filter.getHostsList()); 18780 } 18781 } 18782 } 18783 18784 StringBuilder sb = new StringBuilder(result.size() * 16); 18785 for (String domain : result) { 18786 if (sb.length() > 0) sb.append(" "); 18787 sb.append(domain); 18788 } 18789 return sb.toString(); 18790 } 18791 18792 // ------- apps on sdcard specific code ------- 18793 static final boolean DEBUG_SD_INSTALL = false; 18794 18795 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18796 18797 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18798 18799 private boolean mMediaMounted = false; 18800 18801 static String getEncryptKey() { 18802 try { 18803 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18804 SD_ENCRYPTION_KEYSTORE_NAME); 18805 if (sdEncKey == null) { 18806 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18807 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18808 if (sdEncKey == null) { 18809 Slog.e(TAG, "Failed to create encryption keys"); 18810 return null; 18811 } 18812 } 18813 return sdEncKey; 18814 } catch (NoSuchAlgorithmException nsae) { 18815 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18816 return null; 18817 } catch (IOException ioe) { 18818 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18819 return null; 18820 } 18821 } 18822 18823 /* 18824 * Update media status on PackageManager. 18825 */ 18826 @Override 18827 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18828 int callingUid = Binder.getCallingUid(); 18829 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18830 throw new SecurityException("Media status can only be updated by the system"); 18831 } 18832 // reader; this apparently protects mMediaMounted, but should probably 18833 // be a different lock in that case. 18834 synchronized (mPackages) { 18835 Log.i(TAG, "Updating external media status from " 18836 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18837 + (mediaStatus ? "mounted" : "unmounted")); 18838 if (DEBUG_SD_INSTALL) 18839 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18840 + ", mMediaMounted=" + mMediaMounted); 18841 if (mediaStatus == mMediaMounted) { 18842 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18843 : 0, -1); 18844 mHandler.sendMessage(msg); 18845 return; 18846 } 18847 mMediaMounted = mediaStatus; 18848 } 18849 // Queue up an async operation since the package installation may take a 18850 // little while. 18851 mHandler.post(new Runnable() { 18852 public void run() { 18853 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18854 } 18855 }); 18856 } 18857 18858 /** 18859 * Called by MountService when the initial ASECs to scan are available. 18860 * Should block until all the ASEC containers are finished being scanned. 18861 */ 18862 public void scanAvailableAsecs() { 18863 updateExternalMediaStatusInner(true, false, false); 18864 } 18865 18866 /* 18867 * Collect information of applications on external media, map them against 18868 * existing containers and update information based on current mount status. 18869 * Please note that we always have to report status if reportStatus has been 18870 * set to true especially when unloading packages. 18871 */ 18872 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18873 boolean externalStorage) { 18874 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18875 int[] uidArr = EmptyArray.INT; 18876 18877 final String[] list = PackageHelper.getSecureContainerList(); 18878 if (ArrayUtils.isEmpty(list)) { 18879 Log.i(TAG, "No secure containers found"); 18880 } else { 18881 // Process list of secure containers and categorize them 18882 // as active or stale based on their package internal state. 18883 18884 // reader 18885 synchronized (mPackages) { 18886 for (String cid : list) { 18887 // Leave stages untouched for now; installer service owns them 18888 if (PackageInstallerService.isStageName(cid)) continue; 18889 18890 if (DEBUG_SD_INSTALL) 18891 Log.i(TAG, "Processing container " + cid); 18892 String pkgName = getAsecPackageName(cid); 18893 if (pkgName == null) { 18894 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18895 continue; 18896 } 18897 if (DEBUG_SD_INSTALL) 18898 Log.i(TAG, "Looking for pkg : " + pkgName); 18899 18900 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18901 if (ps == null) { 18902 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18903 continue; 18904 } 18905 18906 /* 18907 * Skip packages that are not external if we're unmounting 18908 * external storage. 18909 */ 18910 if (externalStorage && !isMounted && !isExternal(ps)) { 18911 continue; 18912 } 18913 18914 final AsecInstallArgs args = new AsecInstallArgs(cid, 18915 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18916 // The package status is changed only if the code path 18917 // matches between settings and the container id. 18918 if (ps.codePathString != null 18919 && ps.codePathString.startsWith(args.getCodePath())) { 18920 if (DEBUG_SD_INSTALL) { 18921 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18922 + " at code path: " + ps.codePathString); 18923 } 18924 18925 // We do have a valid package installed on sdcard 18926 processCids.put(args, ps.codePathString); 18927 final int uid = ps.appId; 18928 if (uid != -1) { 18929 uidArr = ArrayUtils.appendInt(uidArr, uid); 18930 } 18931 } else { 18932 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18933 + ps.codePathString); 18934 } 18935 } 18936 } 18937 18938 Arrays.sort(uidArr); 18939 } 18940 18941 // Process packages with valid entries. 18942 if (isMounted) { 18943 if (DEBUG_SD_INSTALL) 18944 Log.i(TAG, "Loading packages"); 18945 loadMediaPackages(processCids, uidArr, externalStorage); 18946 startCleaningPackages(); 18947 mInstallerService.onSecureContainersAvailable(); 18948 } else { 18949 if (DEBUG_SD_INSTALL) 18950 Log.i(TAG, "Unloading packages"); 18951 unloadMediaPackages(processCids, uidArr, reportStatus); 18952 } 18953 } 18954 18955 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18956 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18957 final int size = infos.size(); 18958 final String[] packageNames = new String[size]; 18959 final int[] packageUids = new int[size]; 18960 for (int i = 0; i < size; i++) { 18961 final ApplicationInfo info = infos.get(i); 18962 packageNames[i] = info.packageName; 18963 packageUids[i] = info.uid; 18964 } 18965 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18966 finishedReceiver); 18967 } 18968 18969 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18970 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18971 sendResourcesChangedBroadcast(mediaStatus, replacing, 18972 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18973 } 18974 18975 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18976 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18977 int size = pkgList.length; 18978 if (size > 0) { 18979 // Send broadcasts here 18980 Bundle extras = new Bundle(); 18981 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18982 if (uidArr != null) { 18983 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18984 } 18985 if (replacing) { 18986 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18987 } 18988 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18989 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18990 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18991 } 18992 } 18993 18994 /* 18995 * Look at potentially valid container ids from processCids If package 18996 * information doesn't match the one on record or package scanning fails, 18997 * the cid is added to list of removeCids. We currently don't delete stale 18998 * containers. 18999 */ 19000 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19001 boolean externalStorage) { 19002 ArrayList<String> pkgList = new ArrayList<String>(); 19003 Set<AsecInstallArgs> keys = processCids.keySet(); 19004 19005 for (AsecInstallArgs args : keys) { 19006 String codePath = processCids.get(args); 19007 if (DEBUG_SD_INSTALL) 19008 Log.i(TAG, "Loading container : " + args.cid); 19009 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19010 try { 19011 // Make sure there are no container errors first. 19012 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19013 Slog.e(TAG, "Failed to mount cid : " + args.cid 19014 + " when installing from sdcard"); 19015 continue; 19016 } 19017 // Check code path here. 19018 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19019 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19020 + " does not match one in settings " + codePath); 19021 continue; 19022 } 19023 // Parse package 19024 int parseFlags = mDefParseFlags; 19025 if (args.isExternalAsec()) { 19026 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19027 } 19028 if (args.isFwdLocked()) { 19029 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19030 } 19031 19032 synchronized (mInstallLock) { 19033 PackageParser.Package pkg = null; 19034 try { 19035 // Sadly we don't know the package name yet to freeze it 19036 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19037 SCAN_IGNORE_FROZEN, 0, null); 19038 } catch (PackageManagerException e) { 19039 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19040 } 19041 // Scan the package 19042 if (pkg != null) { 19043 /* 19044 * TODO why is the lock being held? doPostInstall is 19045 * called in other places without the lock. This needs 19046 * to be straightened out. 19047 */ 19048 // writer 19049 synchronized (mPackages) { 19050 retCode = PackageManager.INSTALL_SUCCEEDED; 19051 pkgList.add(pkg.packageName); 19052 // Post process args 19053 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19054 pkg.applicationInfo.uid); 19055 } 19056 } else { 19057 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19058 } 19059 } 19060 19061 } finally { 19062 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19063 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19064 } 19065 } 19066 } 19067 // writer 19068 synchronized (mPackages) { 19069 // If the platform SDK has changed since the last time we booted, 19070 // we need to re-grant app permission to catch any new ones that 19071 // appear. This is really a hack, and means that apps can in some 19072 // cases get permissions that the user didn't initially explicitly 19073 // allow... it would be nice to have some better way to handle 19074 // this situation. 19075 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19076 : mSettings.getInternalVersion(); 19077 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19078 : StorageManager.UUID_PRIVATE_INTERNAL; 19079 19080 int updateFlags = UPDATE_PERMISSIONS_ALL; 19081 if (ver.sdkVersion != mSdkVersion) { 19082 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19083 + mSdkVersion + "; regranting permissions for external"); 19084 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19085 } 19086 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19087 19088 // Yay, everything is now upgraded 19089 ver.forceCurrent(); 19090 19091 // can downgrade to reader 19092 // Persist settings 19093 mSettings.writeLPr(); 19094 } 19095 // Send a broadcast to let everyone know we are done processing 19096 if (pkgList.size() > 0) { 19097 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19098 } 19099 } 19100 19101 /* 19102 * Utility method to unload a list of specified containers 19103 */ 19104 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19105 // Just unmount all valid containers. 19106 for (AsecInstallArgs arg : cidArgs) { 19107 synchronized (mInstallLock) { 19108 arg.doPostDeleteLI(false); 19109 } 19110 } 19111 } 19112 19113 /* 19114 * Unload packages mounted on external media. This involves deleting package 19115 * data from internal structures, sending broadcasts about disabled packages, 19116 * gc'ing to free up references, unmounting all secure containers 19117 * corresponding to packages on external media, and posting a 19118 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19119 * that we always have to post this message if status has been requested no 19120 * matter what. 19121 */ 19122 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19123 final boolean reportStatus) { 19124 if (DEBUG_SD_INSTALL) 19125 Log.i(TAG, "unloading media packages"); 19126 ArrayList<String> pkgList = new ArrayList<String>(); 19127 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19128 final Set<AsecInstallArgs> keys = processCids.keySet(); 19129 for (AsecInstallArgs args : keys) { 19130 String pkgName = args.getPackageName(); 19131 if (DEBUG_SD_INSTALL) 19132 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19133 // Delete package internally 19134 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19135 synchronized (mInstallLock) { 19136 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19137 final boolean res; 19138 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19139 "unloadMediaPackages")) { 19140 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19141 null); 19142 } 19143 if (res) { 19144 pkgList.add(pkgName); 19145 } else { 19146 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19147 failedList.add(args); 19148 } 19149 } 19150 } 19151 19152 // reader 19153 synchronized (mPackages) { 19154 // We didn't update the settings after removing each package; 19155 // write them now for all packages. 19156 mSettings.writeLPr(); 19157 } 19158 19159 // We have to absolutely send UPDATED_MEDIA_STATUS only 19160 // after confirming that all the receivers processed the ordered 19161 // broadcast when packages get disabled, force a gc to clean things up. 19162 // and unload all the containers. 19163 if (pkgList.size() > 0) { 19164 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19165 new IIntentReceiver.Stub() { 19166 public void performReceive(Intent intent, int resultCode, String data, 19167 Bundle extras, boolean ordered, boolean sticky, 19168 int sendingUser) throws RemoteException { 19169 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19170 reportStatus ? 1 : 0, 1, keys); 19171 mHandler.sendMessage(msg); 19172 } 19173 }); 19174 } else { 19175 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19176 keys); 19177 mHandler.sendMessage(msg); 19178 } 19179 } 19180 19181 private void loadPrivatePackages(final VolumeInfo vol) { 19182 mHandler.post(new Runnable() { 19183 @Override 19184 public void run() { 19185 loadPrivatePackagesInner(vol); 19186 } 19187 }); 19188 } 19189 19190 private void loadPrivatePackagesInner(VolumeInfo vol) { 19191 final String volumeUuid = vol.fsUuid; 19192 if (TextUtils.isEmpty(volumeUuid)) { 19193 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19194 return; 19195 } 19196 19197 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19198 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19199 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19200 19201 final VersionInfo ver; 19202 final List<PackageSetting> packages; 19203 synchronized (mPackages) { 19204 ver = mSettings.findOrCreateVersion(volumeUuid); 19205 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19206 } 19207 19208 for (PackageSetting ps : packages) { 19209 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19210 synchronized (mInstallLock) { 19211 final PackageParser.Package pkg; 19212 try { 19213 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19214 loaded.add(pkg.applicationInfo); 19215 19216 } catch (PackageManagerException e) { 19217 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19218 } 19219 19220 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19221 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19222 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19223 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19224 } 19225 } 19226 } 19227 19228 // Reconcile app data for all started/unlocked users 19229 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19230 final UserManager um = mContext.getSystemService(UserManager.class); 19231 UserManagerInternal umInternal = getUserManagerInternal(); 19232 for (UserInfo user : um.getUsers()) { 19233 final int flags; 19234 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19235 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19236 } else if (umInternal.isUserRunning(user.id)) { 19237 flags = StorageManager.FLAG_STORAGE_DE; 19238 } else { 19239 continue; 19240 } 19241 19242 try { 19243 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19244 synchronized (mInstallLock) { 19245 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 19246 } 19247 } catch (IllegalStateException e) { 19248 // Device was probably ejected, and we'll process that event momentarily 19249 Slog.w(TAG, "Failed to prepare storage: " + e); 19250 } 19251 } 19252 19253 synchronized (mPackages) { 19254 int updateFlags = UPDATE_PERMISSIONS_ALL; 19255 if (ver.sdkVersion != mSdkVersion) { 19256 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19257 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19258 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19259 } 19260 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19261 19262 // Yay, everything is now upgraded 19263 ver.forceCurrent(); 19264 19265 mSettings.writeLPr(); 19266 } 19267 19268 for (PackageFreezer freezer : freezers) { 19269 freezer.close(); 19270 } 19271 19272 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19273 sendResourcesChangedBroadcast(true, false, loaded, null); 19274 } 19275 19276 private void unloadPrivatePackages(final VolumeInfo vol) { 19277 mHandler.post(new Runnable() { 19278 @Override 19279 public void run() { 19280 unloadPrivatePackagesInner(vol); 19281 } 19282 }); 19283 } 19284 19285 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19286 final String volumeUuid = vol.fsUuid; 19287 if (TextUtils.isEmpty(volumeUuid)) { 19288 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19289 return; 19290 } 19291 19292 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19293 synchronized (mInstallLock) { 19294 synchronized (mPackages) { 19295 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19296 for (PackageSetting ps : packages) { 19297 if (ps.pkg == null) continue; 19298 19299 final ApplicationInfo info = ps.pkg.applicationInfo; 19300 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19301 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19302 19303 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19304 "unloadPrivatePackagesInner")) { 19305 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19306 false, null)) { 19307 unloaded.add(info); 19308 } else { 19309 Slog.w(TAG, "Failed to unload " + ps.codePath); 19310 } 19311 } 19312 19313 // Try very hard to release any references to this package 19314 // so we don't risk the system server being killed due to 19315 // open FDs 19316 AttributeCache.instance().removePackage(ps.name); 19317 } 19318 19319 mSettings.writeLPr(); 19320 } 19321 } 19322 19323 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19324 sendResourcesChangedBroadcast(false, false, unloaded, null); 19325 19326 // Try very hard to release any references to this path so we don't risk 19327 // the system server being killed due to open FDs 19328 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19329 19330 for (int i = 0; i < 3; i++) { 19331 System.gc(); 19332 System.runFinalization(); 19333 } 19334 } 19335 19336 /** 19337 * Prepare storage areas for given user on all mounted devices. 19338 */ 19339 void prepareUserData(int userId, int userSerial, int flags) { 19340 synchronized (mInstallLock) { 19341 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19342 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19343 final String volumeUuid = vol.getFsUuid(); 19344 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19345 } 19346 } 19347 } 19348 19349 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19350 boolean allowRecover) { 19351 // Prepare storage and verify that serial numbers are consistent; if 19352 // there's a mismatch we need to destroy to avoid leaking data 19353 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19354 try { 19355 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19356 19357 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19358 UserManagerService.enforceSerialNumber( 19359 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19360 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19361 UserManagerService.enforceSerialNumber( 19362 Environment.getDataSystemDeDirectory(userId), userSerial); 19363 } 19364 } 19365 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19366 UserManagerService.enforceSerialNumber( 19367 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19368 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19369 UserManagerService.enforceSerialNumber( 19370 Environment.getDataSystemCeDirectory(userId), userSerial); 19371 } 19372 } 19373 19374 synchronized (mInstallLock) { 19375 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19376 } 19377 } catch (Exception e) { 19378 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19379 + " because we failed to prepare: " + e); 19380 destroyUserDataLI(volumeUuid, userId, 19381 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19382 19383 if (allowRecover) { 19384 // Try one last time; if we fail again we're really in trouble 19385 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19386 } 19387 } 19388 } 19389 19390 /** 19391 * Destroy storage areas for given user on all mounted devices. 19392 */ 19393 void destroyUserData(int userId, int flags) { 19394 synchronized (mInstallLock) { 19395 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19396 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19397 final String volumeUuid = vol.getFsUuid(); 19398 destroyUserDataLI(volumeUuid, userId, flags); 19399 } 19400 } 19401 } 19402 19403 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19404 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19405 try { 19406 // Clean up app data, profile data, and media data 19407 mInstaller.destroyUserData(volumeUuid, userId, flags); 19408 19409 // Clean up system data 19410 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19411 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19412 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19413 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19414 } 19415 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19416 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19417 } 19418 } 19419 19420 // Data with special labels is now gone, so finish the job 19421 storage.destroyUserStorage(volumeUuid, userId, flags); 19422 19423 } catch (Exception e) { 19424 logCriticalInfo(Log.WARN, 19425 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19426 } 19427 } 19428 19429 /** 19430 * Examine all users present on given mounted volume, and destroy data 19431 * belonging to users that are no longer valid, or whose user ID has been 19432 * recycled. 19433 */ 19434 private void reconcileUsers(String volumeUuid) { 19435 final List<File> files = new ArrayList<>(); 19436 Collections.addAll(files, FileUtils 19437 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19438 Collections.addAll(files, FileUtils 19439 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19440 Collections.addAll(files, FileUtils 19441 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19442 Collections.addAll(files, FileUtils 19443 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19444 for (File file : files) { 19445 if (!file.isDirectory()) continue; 19446 19447 final int userId; 19448 final UserInfo info; 19449 try { 19450 userId = Integer.parseInt(file.getName()); 19451 info = sUserManager.getUserInfo(userId); 19452 } catch (NumberFormatException e) { 19453 Slog.w(TAG, "Invalid user directory " + file); 19454 continue; 19455 } 19456 19457 boolean destroyUser = false; 19458 if (info == null) { 19459 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19460 + " because no matching user was found"); 19461 destroyUser = true; 19462 } else if (!mOnlyCore) { 19463 try { 19464 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19465 } catch (IOException e) { 19466 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19467 + " because we failed to enforce serial number: " + e); 19468 destroyUser = true; 19469 } 19470 } 19471 19472 if (destroyUser) { 19473 synchronized (mInstallLock) { 19474 destroyUserDataLI(volumeUuid, userId, 19475 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19476 } 19477 } 19478 } 19479 } 19480 19481 private void assertPackageKnown(String volumeUuid, String packageName) 19482 throws PackageManagerException { 19483 synchronized (mPackages) { 19484 final PackageSetting ps = mSettings.mPackages.get(packageName); 19485 if (ps == null) { 19486 throw new PackageManagerException("Package " + packageName + " is unknown"); 19487 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19488 throw new PackageManagerException( 19489 "Package " + packageName + " found on unknown volume " + volumeUuid 19490 + "; expected volume " + ps.volumeUuid); 19491 } 19492 } 19493 } 19494 19495 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19496 throws PackageManagerException { 19497 synchronized (mPackages) { 19498 final PackageSetting ps = mSettings.mPackages.get(packageName); 19499 if (ps == null) { 19500 throw new PackageManagerException("Package " + packageName + " is unknown"); 19501 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19502 throw new PackageManagerException( 19503 "Package " + packageName + " found on unknown volume " + volumeUuid 19504 + "; expected volume " + ps.volumeUuid); 19505 } else if (!ps.getInstalled(userId)) { 19506 throw new PackageManagerException( 19507 "Package " + packageName + " not installed for user " + userId); 19508 } 19509 } 19510 } 19511 19512 /** 19513 * Examine all apps present on given mounted volume, and destroy apps that 19514 * aren't expected, either due to uninstallation or reinstallation on 19515 * another volume. 19516 */ 19517 private void reconcileApps(String volumeUuid) { 19518 final File[] files = FileUtils 19519 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19520 for (File file : files) { 19521 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19522 && !PackageInstallerService.isStageName(file.getName()); 19523 if (!isPackage) { 19524 // Ignore entries which are not packages 19525 continue; 19526 } 19527 19528 try { 19529 final PackageLite pkg = PackageParser.parsePackageLite(file, 19530 PackageParser.PARSE_MUST_BE_APK); 19531 assertPackageKnown(volumeUuid, pkg.packageName); 19532 19533 } catch (PackageParserException | PackageManagerException e) { 19534 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19535 synchronized (mInstallLock) { 19536 removeCodePathLI(file); 19537 } 19538 } 19539 } 19540 } 19541 19542 /** 19543 * Reconcile all app data for the given user. 19544 * <p> 19545 * Verifies that directories exist and that ownership and labeling is 19546 * correct for all installed apps on all mounted volumes. 19547 */ 19548 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 19549 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19550 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19551 final String volumeUuid = vol.getFsUuid(); 19552 synchronized (mInstallLock) { 19553 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 19554 } 19555 } 19556 } 19557 19558 /** 19559 * Reconcile all app data on given mounted volume. 19560 * <p> 19561 * Destroys app data that isn't expected, either due to uninstallation or 19562 * reinstallation on another volume. 19563 * <p> 19564 * Verifies that directories exist and that ownership and labeling is 19565 * correct for all installed apps. 19566 */ 19567 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 19568 boolean migrateAppData) { 19569 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19570 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 19571 19572 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19573 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19574 19575 boolean restoreconNeeded = false; 19576 19577 // First look for stale data that doesn't belong, and check if things 19578 // have changed since we did our last restorecon 19579 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19580 if (StorageManager.isFileEncryptedNativeOrEmulated() 19581 && !StorageManager.isUserKeyUnlocked(userId)) { 19582 throw new RuntimeException( 19583 "Yikes, someone asked us to reconcile CE storage while " + userId 19584 + " was still locked; this would have caused massive data loss!"); 19585 } 19586 19587 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19588 19589 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19590 for (File file : files) { 19591 final String packageName = file.getName(); 19592 try { 19593 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19594 } catch (PackageManagerException e) { 19595 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19596 try { 19597 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19598 StorageManager.FLAG_STORAGE_CE, 0); 19599 } catch (InstallerException e2) { 19600 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19601 } 19602 } 19603 } 19604 } 19605 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19606 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19607 19608 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19609 for (File file : files) { 19610 final String packageName = file.getName(); 19611 try { 19612 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19613 } catch (PackageManagerException e) { 19614 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19615 try { 19616 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19617 StorageManager.FLAG_STORAGE_DE, 0); 19618 } catch (InstallerException e2) { 19619 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19620 } 19621 } 19622 } 19623 } 19624 19625 // Ensure that data directories are ready to roll for all packages 19626 // installed for this volume and user 19627 final List<PackageSetting> packages; 19628 synchronized (mPackages) { 19629 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19630 } 19631 int preparedCount = 0; 19632 for (PackageSetting ps : packages) { 19633 final String packageName = ps.name; 19634 if (ps.pkg == null) { 19635 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19636 // TODO: might be due to legacy ASEC apps; we should circle back 19637 // and reconcile again once they're scanned 19638 continue; 19639 } 19640 19641 if (ps.getInstalled(userId)) { 19642 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19643 19644 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 19645 // We may have just shuffled around app data directories, so 19646 // prepare them one more time 19647 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19648 } 19649 19650 preparedCount++; 19651 } 19652 } 19653 19654 if (restoreconNeeded) { 19655 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19656 SELinuxMMAC.setRestoreconDone(ceDir); 19657 } 19658 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19659 SELinuxMMAC.setRestoreconDone(deDir); 19660 } 19661 } 19662 19663 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19664 + " packages; restoreconNeeded was " + restoreconNeeded); 19665 } 19666 19667 /** 19668 * Prepare app data for the given app just after it was installed or 19669 * upgraded. This method carefully only touches users that it's installed 19670 * for, and it forces a restorecon to handle any seinfo changes. 19671 * <p> 19672 * Verifies that directories exist and that ownership and labeling is 19673 * correct for all installed apps. If there is an ownership mismatch, it 19674 * will try recovering system apps by wiping data; third-party app data is 19675 * left intact. 19676 * <p> 19677 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19678 */ 19679 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19680 final PackageSetting ps; 19681 synchronized (mPackages) { 19682 ps = mSettings.mPackages.get(pkg.packageName); 19683 mSettings.writeKernelMappingLPr(ps); 19684 } 19685 19686 final UserManager um = mContext.getSystemService(UserManager.class); 19687 UserManagerInternal umInternal = getUserManagerInternal(); 19688 for (UserInfo user : um.getUsers()) { 19689 final int flags; 19690 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19691 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19692 } else if (umInternal.isUserRunning(user.id)) { 19693 flags = StorageManager.FLAG_STORAGE_DE; 19694 } else { 19695 continue; 19696 } 19697 19698 if (ps.getInstalled(user.id)) { 19699 // Whenever an app changes, force a restorecon of its data 19700 // TODO: when user data is locked, mark that we're still dirty 19701 prepareAppDataLIF(pkg, user.id, flags, true); 19702 } 19703 } 19704 } 19705 19706 /** 19707 * Prepare app data for the given app. 19708 * <p> 19709 * Verifies that directories exist and that ownership and labeling is 19710 * correct for all installed apps. If there is an ownership mismatch, this 19711 * will try recovering system apps by wiping data; third-party app data is 19712 * left intact. 19713 */ 19714 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19715 boolean restoreconNeeded) { 19716 if (pkg == null) { 19717 Slog.wtf(TAG, "Package was null!", new Throwable()); 19718 return; 19719 } 19720 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19721 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19722 for (int i = 0; i < childCount; i++) { 19723 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19724 } 19725 } 19726 19727 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19728 boolean restoreconNeeded) { 19729 if (DEBUG_APP_DATA) { 19730 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19731 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19732 } 19733 19734 final String volumeUuid = pkg.volumeUuid; 19735 final String packageName = pkg.packageName; 19736 final ApplicationInfo app = pkg.applicationInfo; 19737 final int appId = UserHandle.getAppId(app.uid); 19738 19739 Preconditions.checkNotNull(app.seinfo); 19740 19741 try { 19742 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19743 appId, app.seinfo, app.targetSdkVersion); 19744 } catch (InstallerException e) { 19745 if (app.isSystemApp()) { 19746 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19747 + ", but trying to recover: " + e); 19748 destroyAppDataLeafLIF(pkg, userId, flags); 19749 try { 19750 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19751 appId, app.seinfo, app.targetSdkVersion); 19752 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19753 } catch (InstallerException e2) { 19754 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19755 } 19756 } else { 19757 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19758 } 19759 } 19760 19761 if (restoreconNeeded) { 19762 try { 19763 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19764 app.seinfo); 19765 } catch (InstallerException e) { 19766 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19767 } 19768 } 19769 19770 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19771 try { 19772 // CE storage is unlocked right now, so read out the inode and 19773 // remember for use later when it's locked 19774 // TODO: mark this structure as dirty so we persist it! 19775 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19776 StorageManager.FLAG_STORAGE_CE); 19777 synchronized (mPackages) { 19778 final PackageSetting ps = mSettings.mPackages.get(packageName); 19779 if (ps != null) { 19780 ps.setCeDataInode(ceDataInode, userId); 19781 } 19782 } 19783 } catch (InstallerException e) { 19784 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19785 } 19786 } 19787 19788 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19789 } 19790 19791 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19792 if (pkg == null) { 19793 Slog.wtf(TAG, "Package was null!", new Throwable()); 19794 return; 19795 } 19796 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19797 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19798 for (int i = 0; i < childCount; i++) { 19799 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19800 } 19801 } 19802 19803 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19804 final String volumeUuid = pkg.volumeUuid; 19805 final String packageName = pkg.packageName; 19806 final ApplicationInfo app = pkg.applicationInfo; 19807 19808 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19809 // Create a native library symlink only if we have native libraries 19810 // and if the native libraries are 32 bit libraries. We do not provide 19811 // this symlink for 64 bit libraries. 19812 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19813 final String nativeLibPath = app.nativeLibraryDir; 19814 try { 19815 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19816 nativeLibPath, userId); 19817 } catch (InstallerException e) { 19818 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19819 } 19820 } 19821 } 19822 } 19823 19824 /** 19825 * For system apps on non-FBE devices, this method migrates any existing 19826 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19827 * requested by the app. 19828 */ 19829 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19830 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19831 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19832 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19833 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19834 try { 19835 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19836 storageTarget); 19837 } catch (InstallerException e) { 19838 logCriticalInfo(Log.WARN, 19839 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19840 } 19841 return true; 19842 } else { 19843 return false; 19844 } 19845 } 19846 19847 public PackageFreezer freezePackage(String packageName, String killReason) { 19848 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19849 } 19850 19851 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19852 return new PackageFreezer(packageName, userId, killReason); 19853 } 19854 19855 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19856 String killReason) { 19857 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19858 } 19859 19860 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19861 String killReason) { 19862 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19863 return new PackageFreezer(); 19864 } else { 19865 return freezePackage(packageName, userId, killReason); 19866 } 19867 } 19868 19869 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19870 String killReason) { 19871 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19872 } 19873 19874 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19875 String killReason) { 19876 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19877 return new PackageFreezer(); 19878 } else { 19879 return freezePackage(packageName, userId, killReason); 19880 } 19881 } 19882 19883 /** 19884 * Class that freezes and kills the given package upon creation, and 19885 * unfreezes it upon closing. This is typically used when doing surgery on 19886 * app code/data to prevent the app from running while you're working. 19887 */ 19888 private class PackageFreezer implements AutoCloseable { 19889 private final String mPackageName; 19890 private final PackageFreezer[] mChildren; 19891 19892 private final boolean mWeFroze; 19893 19894 private final AtomicBoolean mClosed = new AtomicBoolean(); 19895 private final CloseGuard mCloseGuard = CloseGuard.get(); 19896 19897 /** 19898 * Create and return a stub freezer that doesn't actually do anything, 19899 * typically used when someone requested 19900 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19901 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19902 */ 19903 public PackageFreezer() { 19904 mPackageName = null; 19905 mChildren = null; 19906 mWeFroze = false; 19907 mCloseGuard.open("close"); 19908 } 19909 19910 public PackageFreezer(String packageName, int userId, String killReason) { 19911 synchronized (mPackages) { 19912 mPackageName = packageName; 19913 mWeFroze = mFrozenPackages.add(mPackageName); 19914 19915 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19916 if (ps != null) { 19917 killApplication(ps.name, ps.appId, userId, killReason); 19918 } 19919 19920 final PackageParser.Package p = mPackages.get(packageName); 19921 if (p != null && p.childPackages != null) { 19922 final int N = p.childPackages.size(); 19923 mChildren = new PackageFreezer[N]; 19924 for (int i = 0; i < N; i++) { 19925 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19926 userId, killReason); 19927 } 19928 } else { 19929 mChildren = null; 19930 } 19931 } 19932 mCloseGuard.open("close"); 19933 } 19934 19935 @Override 19936 protected void finalize() throws Throwable { 19937 try { 19938 mCloseGuard.warnIfOpen(); 19939 close(); 19940 } finally { 19941 super.finalize(); 19942 } 19943 } 19944 19945 @Override 19946 public void close() { 19947 mCloseGuard.close(); 19948 if (mClosed.compareAndSet(false, true)) { 19949 synchronized (mPackages) { 19950 if (mWeFroze) { 19951 mFrozenPackages.remove(mPackageName); 19952 } 19953 19954 if (mChildren != null) { 19955 for (PackageFreezer freezer : mChildren) { 19956 freezer.close(); 19957 } 19958 } 19959 } 19960 } 19961 } 19962 } 19963 19964 /** 19965 * Verify that given package is currently frozen. 19966 */ 19967 private void checkPackageFrozen(String packageName) { 19968 synchronized (mPackages) { 19969 if (!mFrozenPackages.contains(packageName)) { 19970 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19971 } 19972 } 19973 } 19974 19975 @Override 19976 public int movePackage(final String packageName, final String volumeUuid) { 19977 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19978 19979 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19980 final int moveId = mNextMoveId.getAndIncrement(); 19981 mHandler.post(new Runnable() { 19982 @Override 19983 public void run() { 19984 try { 19985 movePackageInternal(packageName, volumeUuid, moveId, user); 19986 } catch (PackageManagerException e) { 19987 Slog.w(TAG, "Failed to move " + packageName, e); 19988 mMoveCallbacks.notifyStatusChanged(moveId, 19989 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19990 } 19991 } 19992 }); 19993 return moveId; 19994 } 19995 19996 private void movePackageInternal(final String packageName, final String volumeUuid, 19997 final int moveId, UserHandle user) throws PackageManagerException { 19998 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19999 final PackageManager pm = mContext.getPackageManager(); 20000 20001 final boolean currentAsec; 20002 final String currentVolumeUuid; 20003 final File codeFile; 20004 final String installerPackageName; 20005 final String packageAbiOverride; 20006 final int appId; 20007 final String seinfo; 20008 final String label; 20009 final int targetSdkVersion; 20010 final PackageFreezer freezer; 20011 final int[] installedUserIds; 20012 20013 // reader 20014 synchronized (mPackages) { 20015 final PackageParser.Package pkg = mPackages.get(packageName); 20016 final PackageSetting ps = mSettings.mPackages.get(packageName); 20017 if (pkg == null || ps == null) { 20018 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20019 } 20020 20021 if (pkg.applicationInfo.isSystemApp()) { 20022 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20023 "Cannot move system application"); 20024 } 20025 20026 if (pkg.applicationInfo.isExternalAsec()) { 20027 currentAsec = true; 20028 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20029 } else if (pkg.applicationInfo.isForwardLocked()) { 20030 currentAsec = true; 20031 currentVolumeUuid = "forward_locked"; 20032 } else { 20033 currentAsec = false; 20034 currentVolumeUuid = ps.volumeUuid; 20035 20036 final File probe = new File(pkg.codePath); 20037 final File probeOat = new File(probe, "oat"); 20038 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20039 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20040 "Move only supported for modern cluster style installs"); 20041 } 20042 } 20043 20044 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20045 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20046 "Package already moved to " + volumeUuid); 20047 } 20048 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20049 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20050 "Device admin cannot be moved"); 20051 } 20052 20053 if (mFrozenPackages.contains(packageName)) { 20054 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20055 "Failed to move already frozen package"); 20056 } 20057 20058 codeFile = new File(pkg.codePath); 20059 installerPackageName = ps.installerPackageName; 20060 packageAbiOverride = ps.cpuAbiOverrideString; 20061 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20062 seinfo = pkg.applicationInfo.seinfo; 20063 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20064 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20065 freezer = freezePackage(packageName, "movePackageInternal"); 20066 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20067 } 20068 20069 final Bundle extras = new Bundle(); 20070 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20071 extras.putString(Intent.EXTRA_TITLE, label); 20072 mMoveCallbacks.notifyCreated(moveId, extras); 20073 20074 int installFlags; 20075 final boolean moveCompleteApp; 20076 final File measurePath; 20077 20078 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20079 installFlags = INSTALL_INTERNAL; 20080 moveCompleteApp = !currentAsec; 20081 measurePath = Environment.getDataAppDirectory(volumeUuid); 20082 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20083 installFlags = INSTALL_EXTERNAL; 20084 moveCompleteApp = false; 20085 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20086 } else { 20087 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20088 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20089 || !volume.isMountedWritable()) { 20090 freezer.close(); 20091 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20092 "Move location not mounted private volume"); 20093 } 20094 20095 Preconditions.checkState(!currentAsec); 20096 20097 installFlags = INSTALL_INTERNAL; 20098 moveCompleteApp = true; 20099 measurePath = Environment.getDataAppDirectory(volumeUuid); 20100 } 20101 20102 final PackageStats stats = new PackageStats(null, -1); 20103 synchronized (mInstaller) { 20104 for (int userId : installedUserIds) { 20105 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20106 freezer.close(); 20107 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20108 "Failed to measure package size"); 20109 } 20110 } 20111 } 20112 20113 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20114 + stats.dataSize); 20115 20116 final long startFreeBytes = measurePath.getFreeSpace(); 20117 final long sizeBytes; 20118 if (moveCompleteApp) { 20119 sizeBytes = stats.codeSize + stats.dataSize; 20120 } else { 20121 sizeBytes = stats.codeSize; 20122 } 20123 20124 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20125 freezer.close(); 20126 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20127 "Not enough free space to move"); 20128 } 20129 20130 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20131 20132 final CountDownLatch installedLatch = new CountDownLatch(1); 20133 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20134 @Override 20135 public void onUserActionRequired(Intent intent) throws RemoteException { 20136 throw new IllegalStateException(); 20137 } 20138 20139 @Override 20140 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20141 Bundle extras) throws RemoteException { 20142 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20143 + PackageManager.installStatusToString(returnCode, msg)); 20144 20145 installedLatch.countDown(); 20146 freezer.close(); 20147 20148 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20149 switch (status) { 20150 case PackageInstaller.STATUS_SUCCESS: 20151 mMoveCallbacks.notifyStatusChanged(moveId, 20152 PackageManager.MOVE_SUCCEEDED); 20153 break; 20154 case PackageInstaller.STATUS_FAILURE_STORAGE: 20155 mMoveCallbacks.notifyStatusChanged(moveId, 20156 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20157 break; 20158 default: 20159 mMoveCallbacks.notifyStatusChanged(moveId, 20160 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20161 break; 20162 } 20163 } 20164 }; 20165 20166 final MoveInfo move; 20167 if (moveCompleteApp) { 20168 // Kick off a thread to report progress estimates 20169 new Thread() { 20170 @Override 20171 public void run() { 20172 while (true) { 20173 try { 20174 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20175 break; 20176 } 20177 } catch (InterruptedException ignored) { 20178 } 20179 20180 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20181 final int progress = 10 + (int) MathUtils.constrain( 20182 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20183 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20184 } 20185 } 20186 }.start(); 20187 20188 final String dataAppName = codeFile.getName(); 20189 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20190 dataAppName, appId, seinfo, targetSdkVersion); 20191 } else { 20192 move = null; 20193 } 20194 20195 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20196 20197 final Message msg = mHandler.obtainMessage(INIT_COPY); 20198 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20199 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20200 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20201 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20202 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20203 msg.obj = params; 20204 20205 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20206 System.identityHashCode(msg.obj)); 20207 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20208 System.identityHashCode(msg.obj)); 20209 20210 mHandler.sendMessage(msg); 20211 } 20212 20213 @Override 20214 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20215 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20216 20217 final int realMoveId = mNextMoveId.getAndIncrement(); 20218 final Bundle extras = new Bundle(); 20219 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20220 mMoveCallbacks.notifyCreated(realMoveId, extras); 20221 20222 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20223 @Override 20224 public void onCreated(int moveId, Bundle extras) { 20225 // Ignored 20226 } 20227 20228 @Override 20229 public void onStatusChanged(int moveId, int status, long estMillis) { 20230 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20231 } 20232 }; 20233 20234 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20235 storage.setPrimaryStorageUuid(volumeUuid, callback); 20236 return realMoveId; 20237 } 20238 20239 @Override 20240 public int getMoveStatus(int moveId) { 20241 mContext.enforceCallingOrSelfPermission( 20242 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20243 return mMoveCallbacks.mLastStatus.get(moveId); 20244 } 20245 20246 @Override 20247 public void registerMoveCallback(IPackageMoveObserver callback) { 20248 mContext.enforceCallingOrSelfPermission( 20249 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20250 mMoveCallbacks.register(callback); 20251 } 20252 20253 @Override 20254 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20255 mContext.enforceCallingOrSelfPermission( 20256 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20257 mMoveCallbacks.unregister(callback); 20258 } 20259 20260 @Override 20261 public boolean setInstallLocation(int loc) { 20262 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20263 null); 20264 if (getInstallLocation() == loc) { 20265 return true; 20266 } 20267 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20268 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20269 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20270 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20271 return true; 20272 } 20273 return false; 20274 } 20275 20276 @Override 20277 public int getInstallLocation() { 20278 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20279 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20280 PackageHelper.APP_INSTALL_AUTO); 20281 } 20282 20283 /** Called by UserManagerService */ 20284 void cleanUpUser(UserManagerService userManager, int userHandle) { 20285 synchronized (mPackages) { 20286 mDirtyUsers.remove(userHandle); 20287 mUserNeedsBadging.delete(userHandle); 20288 mSettings.removeUserLPw(userHandle); 20289 mPendingBroadcasts.remove(userHandle); 20290 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20291 removeUnusedPackagesLPw(userManager, userHandle); 20292 } 20293 } 20294 20295 /** 20296 * We're removing userHandle and would like to remove any downloaded packages 20297 * that are no longer in use by any other user. 20298 * @param userHandle the user being removed 20299 */ 20300 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20301 final boolean DEBUG_CLEAN_APKS = false; 20302 int [] users = userManager.getUserIds(); 20303 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20304 while (psit.hasNext()) { 20305 PackageSetting ps = psit.next(); 20306 if (ps.pkg == null) { 20307 continue; 20308 } 20309 final String packageName = ps.pkg.packageName; 20310 // Skip over if system app 20311 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20312 continue; 20313 } 20314 if (DEBUG_CLEAN_APKS) { 20315 Slog.i(TAG, "Checking package " + packageName); 20316 } 20317 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20318 if (keep) { 20319 if (DEBUG_CLEAN_APKS) { 20320 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20321 } 20322 } else { 20323 for (int i = 0; i < users.length; i++) { 20324 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20325 keep = true; 20326 if (DEBUG_CLEAN_APKS) { 20327 Slog.i(TAG, " Keeping package " + packageName + " for user " 20328 + users[i]); 20329 } 20330 break; 20331 } 20332 } 20333 } 20334 if (!keep) { 20335 if (DEBUG_CLEAN_APKS) { 20336 Slog.i(TAG, " Removing package " + packageName); 20337 } 20338 mHandler.post(new Runnable() { 20339 public void run() { 20340 deletePackageX(packageName, userHandle, 0); 20341 } //end run 20342 }); 20343 } 20344 } 20345 } 20346 20347 /** Called by UserManagerService */ 20348 void createNewUser(int userId) { 20349 synchronized (mInstallLock) { 20350 mSettings.createNewUserLI(this, mInstaller, userId); 20351 } 20352 synchronized (mPackages) { 20353 scheduleWritePackageRestrictionsLocked(userId); 20354 scheduleWritePackageListLocked(userId); 20355 applyFactoryDefaultBrowserLPw(userId); 20356 primeDomainVerificationsLPw(userId); 20357 } 20358 } 20359 20360 void onNewUserCreated(final int userId) { 20361 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20362 // If permission review for legacy apps is required, we represent 20363 // dagerous permissions for such apps as always granted runtime 20364 // permissions to keep per user flag state whether review is needed. 20365 // Hence, if a new user is added we have to propagate dangerous 20366 // permission grants for these legacy apps. 20367 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20368 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20369 | UPDATE_PERMISSIONS_REPLACE_ALL); 20370 } 20371 } 20372 20373 @Override 20374 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20375 mContext.enforceCallingOrSelfPermission( 20376 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20377 "Only package verification agents can read the verifier device identity"); 20378 20379 synchronized (mPackages) { 20380 return mSettings.getVerifierDeviceIdentityLPw(); 20381 } 20382 } 20383 20384 @Override 20385 public void setPermissionEnforced(String permission, boolean enforced) { 20386 // TODO: Now that we no longer change GID for storage, this should to away. 20387 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20388 "setPermissionEnforced"); 20389 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20390 synchronized (mPackages) { 20391 if (mSettings.mReadExternalStorageEnforced == null 20392 || mSettings.mReadExternalStorageEnforced != enforced) { 20393 mSettings.mReadExternalStorageEnforced = enforced; 20394 mSettings.writeLPr(); 20395 } 20396 } 20397 // kill any non-foreground processes so we restart them and 20398 // grant/revoke the GID. 20399 final IActivityManager am = ActivityManagerNative.getDefault(); 20400 if (am != null) { 20401 final long token = Binder.clearCallingIdentity(); 20402 try { 20403 am.killProcessesBelowForeground("setPermissionEnforcement"); 20404 } catch (RemoteException e) { 20405 } finally { 20406 Binder.restoreCallingIdentity(token); 20407 } 20408 } 20409 } else { 20410 throw new IllegalArgumentException("No selective enforcement for " + permission); 20411 } 20412 } 20413 20414 @Override 20415 @Deprecated 20416 public boolean isPermissionEnforced(String permission) { 20417 return true; 20418 } 20419 20420 @Override 20421 public boolean isStorageLow() { 20422 final long token = Binder.clearCallingIdentity(); 20423 try { 20424 final DeviceStorageMonitorInternal 20425 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20426 if (dsm != null) { 20427 return dsm.isMemoryLow(); 20428 } else { 20429 return false; 20430 } 20431 } finally { 20432 Binder.restoreCallingIdentity(token); 20433 } 20434 } 20435 20436 @Override 20437 public IPackageInstaller getPackageInstaller() { 20438 return mInstallerService; 20439 } 20440 20441 private boolean userNeedsBadging(int userId) { 20442 int index = mUserNeedsBadging.indexOfKey(userId); 20443 if (index < 0) { 20444 final UserInfo userInfo; 20445 final long token = Binder.clearCallingIdentity(); 20446 try { 20447 userInfo = sUserManager.getUserInfo(userId); 20448 } finally { 20449 Binder.restoreCallingIdentity(token); 20450 } 20451 final boolean b; 20452 if (userInfo != null && userInfo.isManagedProfile()) { 20453 b = true; 20454 } else { 20455 b = false; 20456 } 20457 mUserNeedsBadging.put(userId, b); 20458 return b; 20459 } 20460 return mUserNeedsBadging.valueAt(index); 20461 } 20462 20463 @Override 20464 public KeySet getKeySetByAlias(String packageName, String alias) { 20465 if (packageName == null || alias == null) { 20466 return null; 20467 } 20468 synchronized(mPackages) { 20469 final PackageParser.Package pkg = mPackages.get(packageName); 20470 if (pkg == null) { 20471 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20472 throw new IllegalArgumentException("Unknown package: " + packageName); 20473 } 20474 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20475 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20476 } 20477 } 20478 20479 @Override 20480 public KeySet getSigningKeySet(String packageName) { 20481 if (packageName == null) { 20482 return null; 20483 } 20484 synchronized(mPackages) { 20485 final PackageParser.Package pkg = mPackages.get(packageName); 20486 if (pkg == null) { 20487 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20488 throw new IllegalArgumentException("Unknown package: " + packageName); 20489 } 20490 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20491 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20492 throw new SecurityException("May not access signing KeySet of other apps."); 20493 } 20494 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20495 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20496 } 20497 } 20498 20499 @Override 20500 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20501 if (packageName == null || ks == null) { 20502 return false; 20503 } 20504 synchronized(mPackages) { 20505 final PackageParser.Package pkg = mPackages.get(packageName); 20506 if (pkg == null) { 20507 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20508 throw new IllegalArgumentException("Unknown package: " + packageName); 20509 } 20510 IBinder ksh = ks.getToken(); 20511 if (ksh instanceof KeySetHandle) { 20512 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20513 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20514 } 20515 return false; 20516 } 20517 } 20518 20519 @Override 20520 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20521 if (packageName == null || ks == null) { 20522 return false; 20523 } 20524 synchronized(mPackages) { 20525 final PackageParser.Package pkg = mPackages.get(packageName); 20526 if (pkg == null) { 20527 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20528 throw new IllegalArgumentException("Unknown package: " + packageName); 20529 } 20530 IBinder ksh = ks.getToken(); 20531 if (ksh instanceof KeySetHandle) { 20532 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20533 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20534 } 20535 return false; 20536 } 20537 } 20538 20539 private void deletePackageIfUnusedLPr(final String packageName) { 20540 PackageSetting ps = mSettings.mPackages.get(packageName); 20541 if (ps == null) { 20542 return; 20543 } 20544 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20545 // TODO Implement atomic delete if package is unused 20546 // It is currently possible that the package will be deleted even if it is installed 20547 // after this method returns. 20548 mHandler.post(new Runnable() { 20549 public void run() { 20550 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20551 } 20552 }); 20553 } 20554 } 20555 20556 /** 20557 * Check and throw if the given before/after packages would be considered a 20558 * downgrade. 20559 */ 20560 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20561 throws PackageManagerException { 20562 if (after.versionCode < before.mVersionCode) { 20563 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20564 "Update version code " + after.versionCode + " is older than current " 20565 + before.mVersionCode); 20566 } else if (after.versionCode == before.mVersionCode) { 20567 if (after.baseRevisionCode < before.baseRevisionCode) { 20568 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20569 "Update base revision code " + after.baseRevisionCode 20570 + " is older than current " + before.baseRevisionCode); 20571 } 20572 20573 if (!ArrayUtils.isEmpty(after.splitNames)) { 20574 for (int i = 0; i < after.splitNames.length; i++) { 20575 final String splitName = after.splitNames[i]; 20576 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20577 if (j != -1) { 20578 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20579 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20580 "Update split " + splitName + " revision code " 20581 + after.splitRevisionCodes[i] + " is older than current " 20582 + before.splitRevisionCodes[j]); 20583 } 20584 } 20585 } 20586 } 20587 } 20588 } 20589 20590 private static class MoveCallbacks extends Handler { 20591 private static final int MSG_CREATED = 1; 20592 private static final int MSG_STATUS_CHANGED = 2; 20593 20594 private final RemoteCallbackList<IPackageMoveObserver> 20595 mCallbacks = new RemoteCallbackList<>(); 20596 20597 private final SparseIntArray mLastStatus = new SparseIntArray(); 20598 20599 public MoveCallbacks(Looper looper) { 20600 super(looper); 20601 } 20602 20603 public void register(IPackageMoveObserver callback) { 20604 mCallbacks.register(callback); 20605 } 20606 20607 public void unregister(IPackageMoveObserver callback) { 20608 mCallbacks.unregister(callback); 20609 } 20610 20611 @Override 20612 public void handleMessage(Message msg) { 20613 final SomeArgs args = (SomeArgs) msg.obj; 20614 final int n = mCallbacks.beginBroadcast(); 20615 for (int i = 0; i < n; i++) { 20616 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20617 try { 20618 invokeCallback(callback, msg.what, args); 20619 } catch (RemoteException ignored) { 20620 } 20621 } 20622 mCallbacks.finishBroadcast(); 20623 args.recycle(); 20624 } 20625 20626 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20627 throws RemoteException { 20628 switch (what) { 20629 case MSG_CREATED: { 20630 callback.onCreated(args.argi1, (Bundle) args.arg2); 20631 break; 20632 } 20633 case MSG_STATUS_CHANGED: { 20634 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20635 break; 20636 } 20637 } 20638 } 20639 20640 private void notifyCreated(int moveId, Bundle extras) { 20641 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20642 20643 final SomeArgs args = SomeArgs.obtain(); 20644 args.argi1 = moveId; 20645 args.arg2 = extras; 20646 obtainMessage(MSG_CREATED, args).sendToTarget(); 20647 } 20648 20649 private void notifyStatusChanged(int moveId, int status) { 20650 notifyStatusChanged(moveId, status, -1); 20651 } 20652 20653 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20654 Slog.v(TAG, "Move " + moveId + " status " + status); 20655 20656 final SomeArgs args = SomeArgs.obtain(); 20657 args.argi1 = moveId; 20658 args.argi2 = status; 20659 args.arg3 = estMillis; 20660 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20661 20662 synchronized (mLastStatus) { 20663 mLastStatus.put(moveId, status); 20664 } 20665 } 20666 } 20667 20668 private final static class OnPermissionChangeListeners extends Handler { 20669 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20670 20671 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20672 new RemoteCallbackList<>(); 20673 20674 public OnPermissionChangeListeners(Looper looper) { 20675 super(looper); 20676 } 20677 20678 @Override 20679 public void handleMessage(Message msg) { 20680 switch (msg.what) { 20681 case MSG_ON_PERMISSIONS_CHANGED: { 20682 final int uid = msg.arg1; 20683 handleOnPermissionsChanged(uid); 20684 } break; 20685 } 20686 } 20687 20688 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20689 mPermissionListeners.register(listener); 20690 20691 } 20692 20693 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20694 mPermissionListeners.unregister(listener); 20695 } 20696 20697 public void onPermissionsChanged(int uid) { 20698 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20699 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20700 } 20701 } 20702 20703 private void handleOnPermissionsChanged(int uid) { 20704 final int count = mPermissionListeners.beginBroadcast(); 20705 try { 20706 for (int i = 0; i < count; i++) { 20707 IOnPermissionsChangeListener callback = mPermissionListeners 20708 .getBroadcastItem(i); 20709 try { 20710 callback.onPermissionsChanged(uid); 20711 } catch (RemoteException e) { 20712 Log.e(TAG, "Permission listener is dead", e); 20713 } 20714 } 20715 } finally { 20716 mPermissionListeners.finishBroadcast(); 20717 } 20718 } 20719 } 20720 20721 private class PackageManagerInternalImpl extends PackageManagerInternal { 20722 @Override 20723 public void setLocationPackagesProvider(PackagesProvider provider) { 20724 synchronized (mPackages) { 20725 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20726 } 20727 } 20728 20729 @Override 20730 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20731 synchronized (mPackages) { 20732 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20733 } 20734 } 20735 20736 @Override 20737 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20738 synchronized (mPackages) { 20739 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20740 } 20741 } 20742 20743 @Override 20744 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20745 synchronized (mPackages) { 20746 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20747 } 20748 } 20749 20750 @Override 20751 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20752 synchronized (mPackages) { 20753 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20754 } 20755 } 20756 20757 @Override 20758 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20759 synchronized (mPackages) { 20760 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20761 } 20762 } 20763 20764 @Override 20765 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20766 synchronized (mPackages) { 20767 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20768 packageName, userId); 20769 } 20770 } 20771 20772 @Override 20773 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20774 synchronized (mPackages) { 20775 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20776 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20777 packageName, userId); 20778 } 20779 } 20780 20781 @Override 20782 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20783 synchronized (mPackages) { 20784 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20785 packageName, userId); 20786 } 20787 } 20788 20789 @Override 20790 public void setKeepUninstalledPackages(final List<String> packageList) { 20791 Preconditions.checkNotNull(packageList); 20792 List<String> removedFromList = null; 20793 synchronized (mPackages) { 20794 if (mKeepUninstalledPackages != null) { 20795 final int packagesCount = mKeepUninstalledPackages.size(); 20796 for (int i = 0; i < packagesCount; i++) { 20797 String oldPackage = mKeepUninstalledPackages.get(i); 20798 if (packageList != null && packageList.contains(oldPackage)) { 20799 continue; 20800 } 20801 if (removedFromList == null) { 20802 removedFromList = new ArrayList<>(); 20803 } 20804 removedFromList.add(oldPackage); 20805 } 20806 } 20807 mKeepUninstalledPackages = new ArrayList<>(packageList); 20808 if (removedFromList != null) { 20809 final int removedCount = removedFromList.size(); 20810 for (int i = 0; i < removedCount; i++) { 20811 deletePackageIfUnusedLPr(removedFromList.get(i)); 20812 } 20813 } 20814 } 20815 } 20816 20817 @Override 20818 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20819 synchronized (mPackages) { 20820 // If we do not support permission review, done. 20821 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20822 return false; 20823 } 20824 20825 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20826 if (packageSetting == null) { 20827 return false; 20828 } 20829 20830 // Permission review applies only to apps not supporting the new permission model. 20831 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20832 return false; 20833 } 20834 20835 // Legacy apps have the permission and get user consent on launch. 20836 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20837 return permissionsState.isPermissionReviewRequired(userId); 20838 } 20839 } 20840 20841 @Override 20842 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20843 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20844 } 20845 20846 @Override 20847 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20848 int userId) { 20849 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20850 } 20851 20852 @Override 20853 public void setDeviceAndProfileOwnerPackages( 20854 int deviceOwnerUserId, String deviceOwnerPackage, 20855 SparseArray<String> profileOwnerPackages) { 20856 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20857 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20858 } 20859 20860 @Override 20861 public boolean isPackageDataProtected(int userId, String packageName) { 20862 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20863 } 20864 } 20865 20866 @Override 20867 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20868 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20869 synchronized (mPackages) { 20870 final long identity = Binder.clearCallingIdentity(); 20871 try { 20872 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20873 packageNames, userId); 20874 } finally { 20875 Binder.restoreCallingIdentity(identity); 20876 } 20877 } 20878 } 20879 20880 private static void enforceSystemOrPhoneCaller(String tag) { 20881 int callingUid = Binder.getCallingUid(); 20882 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20883 throw new SecurityException( 20884 "Cannot call " + tag + " from UID " + callingUid); 20885 } 20886 } 20887 20888 boolean isHistoricalPackageUsageAvailable() { 20889 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20890 } 20891 20892 /** 20893 * Return a <b>copy</b> of the collection of packages known to the package manager. 20894 * @return A copy of the values of mPackages. 20895 */ 20896 Collection<PackageParser.Package> getPackages() { 20897 synchronized (mPackages) { 20898 return new ArrayList<>(mPackages.values()); 20899 } 20900 } 20901 20902 /** 20903 * Logs process start information (including base APK hash) to the security log. 20904 * @hide 20905 */ 20906 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20907 String apkFile, int pid) { 20908 if (!SecurityLog.isLoggingEnabled()) { 20909 return; 20910 } 20911 Bundle data = new Bundle(); 20912 data.putLong("startTimestamp", System.currentTimeMillis()); 20913 data.putString("processName", processName); 20914 data.putInt("uid", uid); 20915 data.putString("seinfo", seinfo); 20916 data.putString("apkFile", apkFile); 20917 data.putInt("pid", pid); 20918 Message msg = mProcessLoggingHandler.obtainMessage( 20919 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20920 msg.setData(data); 20921 mProcessLoggingHandler.sendMessage(msg); 20922 } 20923 20924 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 20925 return mCompilerStats.getPackageStats(pkgName); 20926 } 20927 20928 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 20929 return getOrCreateCompilerPackageStats(pkg.packageName); 20930 } 20931 20932 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 20933 return mCompilerStats.getOrCreatePackageStats(pkgName); 20934 } 20935 20936 public void deleteCompilerPackageStats(String pkgName) { 20937 mCompilerStats.deletePackageStats(pkgName); 20938 } 20939} 20940