PackageManagerService.java revision 095d4125be2117d1bbcdc815dffe6ecc0b7e651f
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.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.UserManagerInternal; 194import android.os.storage.IMountService; 195import android.os.storage.MountServiceInternal; 196import android.os.storage.StorageEventListener; 197import android.os.storage.StorageManager; 198import android.os.storage.VolumeInfo; 199import android.os.storage.VolumeRecord; 200import android.provider.Settings.Global; 201import android.security.KeyStore; 202import android.security.SystemKeyStore; 203import android.system.ErrnoException; 204import android.system.Os; 205import android.text.TextUtils; 206import android.text.format.DateUtils; 207import android.util.ArrayMap; 208import android.util.ArraySet; 209import android.util.DisplayMetrics; 210import android.util.EventLog; 211import android.util.ExceptionUtils; 212import android.util.Log; 213import android.util.LogPrinter; 214import android.util.MathUtils; 215import android.util.PrintStreamPrinter; 216import android.util.Slog; 217import android.util.SparseArray; 218import android.util.SparseBooleanArray; 219import android.util.SparseIntArray; 220import android.util.Xml; 221import android.util.jar.StrictJarFile; 222import android.view.Display; 223 224import com.android.internal.R; 225import com.android.internal.annotations.GuardedBy; 226import com.android.internal.app.IMediaContainerService; 227import com.android.internal.app.ResolverActivity; 228import com.android.internal.content.NativeLibraryHelper; 229import com.android.internal.content.PackageHelper; 230import com.android.internal.logging.MetricsLogger; 231import com.android.internal.os.IParcelFileDescriptorFactory; 232import com.android.internal.os.InstallerConnection.InstallerException; 233import com.android.internal.os.SomeArgs; 234import com.android.internal.os.Zygote; 235import com.android.internal.telephony.CarrierAppUtils; 236import com.android.internal.util.ArrayUtils; 237import com.android.internal.util.FastPrintWriter; 238import com.android.internal.util.FastXmlSerializer; 239import com.android.internal.util.IndentingPrintWriter; 240import com.android.internal.util.Preconditions; 241import com.android.internal.util.XmlUtils; 242import com.android.server.AttributeCache; 243import com.android.server.EventLogTags; 244import com.android.server.FgThread; 245import com.android.server.IntentResolver; 246import com.android.server.LocalServices; 247import com.android.server.ServiceThread; 248import com.android.server.SystemConfig; 249import com.android.server.Watchdog; 250import com.android.server.net.NetworkPolicyManagerInternal; 251import com.android.server.pm.PermissionsState.PermissionState; 252import com.android.server.pm.Settings.DatabaseVersion; 253import com.android.server.pm.Settings.VersionInfo; 254import com.android.server.storage.DeviceStorageMonitorInternal; 255 256import dalvik.system.CloseGuard; 257import dalvik.system.DexFile; 258import dalvik.system.VMRuntime; 259 260import libcore.io.IoUtils; 261import libcore.util.EmptyArray; 262 263import org.xmlpull.v1.XmlPullParser; 264import org.xmlpull.v1.XmlPullParserException; 265import org.xmlpull.v1.XmlSerializer; 266 267import java.io.BufferedOutputStream; 268import java.io.BufferedReader; 269import java.io.ByteArrayInputStream; 270import java.io.ByteArrayOutputStream; 271import java.io.File; 272import java.io.FileDescriptor; 273import java.io.FileInputStream; 274import java.io.FileNotFoundException; 275import java.io.FileOutputStream; 276import java.io.FileReader; 277import java.io.FilenameFilter; 278import java.io.IOException; 279import java.io.PrintWriter; 280import java.nio.charset.StandardCharsets; 281import java.security.DigestInputStream; 282import java.security.MessageDigest; 283import java.security.NoSuchAlgorithmException; 284import java.security.PublicKey; 285import java.security.cert.Certificate; 286import java.security.cert.CertificateEncodingException; 287import java.security.cert.CertificateException; 288import java.text.SimpleDateFormat; 289import java.util.ArrayList; 290import java.util.Arrays; 291import java.util.Collection; 292import java.util.Collections; 293import java.util.Comparator; 294import java.util.Date; 295import java.util.HashSet; 296import java.util.Iterator; 297import java.util.List; 298import java.util.Map; 299import java.util.Objects; 300import java.util.Set; 301import java.util.concurrent.CountDownLatch; 302import java.util.concurrent.TimeUnit; 303import java.util.concurrent.atomic.AtomicBoolean; 304import java.util.concurrent.atomic.AtomicInteger; 305 306/** 307 * Keep track of all those APKs everywhere. 308 * <p> 309 * Internally there are two important locks: 310 * <ul> 311 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 312 * and other related state. It is a fine-grained lock that should only be held 313 * momentarily, as it's one of the most contended locks in the system. 314 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 315 * operations typically involve heavy lifting of application data on disk. Since 316 * {@code installd} is single-threaded, and it's operations can often be slow, 317 * this lock should never be acquired while already holding {@link #mPackages}. 318 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 319 * holding {@link #mInstallLock}. 320 * </ul> 321 * Many internal methods rely on the caller to hold the appropriate locks, and 322 * this contract is expressed through method name suffixes: 323 * <ul> 324 * <li>fooLI(): the caller must hold {@link #mInstallLock} 325 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 326 * being modified must be frozen 327 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 328 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 329 * </ul> 330 * <p> 331 * Because this class is very central to the platform's security; please run all 332 * CTS and unit tests whenever making modifications: 333 * 334 * <pre> 335 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 336 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 337 * </pre> 338 */ 339public class PackageManagerService extends IPackageManager.Stub { 340 static final String TAG = "PackageManager"; 341 static final boolean DEBUG_SETTINGS = false; 342 static final boolean DEBUG_PREFERRED = false; 343 static final boolean DEBUG_UPGRADE = false; 344 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 345 private static final boolean DEBUG_BACKUP = false; 346 private static final boolean DEBUG_INSTALL = false; 347 private static final boolean DEBUG_REMOVE = false; 348 private static final boolean DEBUG_BROADCASTS = false; 349 private static final boolean DEBUG_SHOW_INFO = false; 350 private static final boolean DEBUG_PACKAGE_INFO = false; 351 private static final boolean DEBUG_INTENT_MATCHING = false; 352 private static final boolean DEBUG_PACKAGE_SCANNING = false; 353 private static final boolean DEBUG_VERIFY = false; 354 private static final boolean DEBUG_FILTERS = false; 355 356 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 357 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 358 // user, but by default initialize to this. 359 static final boolean DEBUG_DEXOPT = false; 360 361 private static final boolean DEBUG_ABI_SELECTION = false; 362 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 363 private static final boolean DEBUG_TRIAGED_MISSING = false; 364 private static final boolean DEBUG_APP_DATA = false; 365 366 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 367 368 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 369 370 private static final int RADIO_UID = Process.PHONE_UID; 371 private static final int LOG_UID = Process.LOG_UID; 372 private static final int NFC_UID = Process.NFC_UID; 373 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 374 private static final int SHELL_UID = Process.SHELL_UID; 375 376 // Cap the size of permission trees that 3rd party apps can define 377 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 378 379 // Suffix used during package installation when copying/moving 380 // package apks to install directory. 381 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 382 383 static final int SCAN_NO_DEX = 1<<1; 384 static final int SCAN_FORCE_DEX = 1<<2; 385 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 386 static final int SCAN_NEW_INSTALL = 1<<4; 387 static final int SCAN_NO_PATHS = 1<<5; 388 static final int SCAN_UPDATE_TIME = 1<<6; 389 static final int SCAN_DEFER_DEX = 1<<7; 390 static final int SCAN_BOOTING = 1<<8; 391 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 392 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 393 static final int SCAN_REPLACING = 1<<11; 394 static final int SCAN_REQUIRE_KNOWN = 1<<12; 395 static final int SCAN_MOVE = 1<<13; 396 static final int SCAN_INITIAL = 1<<14; 397 static final int SCAN_CHECK_ONLY = 1<<15; 398 static final int SCAN_DONT_KILL_APP = 1<<17; 399 static final int SCAN_IGNORE_FROZEN = 1<<18; 400 401 static final int REMOVE_CHATTY = 1<<16; 402 403 private static final int[] EMPTY_INT_ARRAY = new int[0]; 404 405 /** 406 * Timeout (in milliseconds) after which the watchdog should declare that 407 * our handler thread is wedged. The usual default for such things is one 408 * minute but we sometimes do very lengthy I/O operations on this thread, 409 * such as installing multi-gigabyte applications, so ours needs to be longer. 410 */ 411 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 412 413 /** 414 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 415 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 416 * settings entry if available, otherwise we use the hardcoded default. If it's been 417 * more than this long since the last fstrim, we force one during the boot sequence. 418 * 419 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 420 * one gets run at the next available charging+idle time. This final mandatory 421 * no-fstrim check kicks in only of the other scheduling criteria is never met. 422 */ 423 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 424 425 /** 426 * Whether verification is enabled by default. 427 */ 428 private static final boolean DEFAULT_VERIFY_ENABLE = true; 429 430 /** 431 * The default maximum time to wait for the verification agent to return in 432 * milliseconds. 433 */ 434 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 435 436 /** 437 * The default response for package verification timeout. 438 * 439 * This can be either PackageManager.VERIFICATION_ALLOW or 440 * PackageManager.VERIFICATION_REJECT. 441 */ 442 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 443 444 static final String PLATFORM_PACKAGE_NAME = "android"; 445 446 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 447 448 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 449 DEFAULT_CONTAINER_PACKAGE, 450 "com.android.defcontainer.DefaultContainerService"); 451 452 private static final String KILL_APP_REASON_GIDS_CHANGED = 453 "permission grant or revoke changed gids"; 454 455 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 456 "permissions revoked"; 457 458 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 459 460 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 461 462 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 463 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 464 465 /** Permission grant: not grant the permission. */ 466 private static final int GRANT_DENIED = 1; 467 468 /** Permission grant: grant the permission as an install permission. */ 469 private static final int GRANT_INSTALL = 2; 470 471 /** Permission grant: grant the permission as a runtime one. */ 472 private static final int GRANT_RUNTIME = 3; 473 474 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 475 private static final int GRANT_UPGRADE = 4; 476 477 /** Canonical intent used to identify what counts as a "web browser" app */ 478 private static final Intent sBrowserIntent; 479 static { 480 sBrowserIntent = new Intent(); 481 sBrowserIntent.setAction(Intent.ACTION_VIEW); 482 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 483 sBrowserIntent.setData(Uri.parse("http:")); 484 } 485 486 /** 487 * The set of all protected actions [i.e. those actions for which a high priority 488 * intent filter is disallowed]. 489 */ 490 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 491 static { 492 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 493 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 494 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 495 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 496 } 497 498 // Compilation reasons. 499 public static final int REASON_FIRST_BOOT = 0; 500 public static final int REASON_BOOT = 1; 501 public static final int REASON_INSTALL = 2; 502 public static final int REASON_BACKGROUND_DEXOPT = 3; 503 public static final int REASON_AB_OTA = 4; 504 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 505 public static final int REASON_SHARED_APK = 6; 506 public static final int REASON_FORCED_DEXOPT = 7; 507 public static final int REASON_CORE_APP = 8; 508 509 public static final int REASON_LAST = REASON_CORE_APP; 510 511 /** Special library name that skips shared libraries check during compilation. */ 512 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 513 514 final ServiceThread mHandlerThread; 515 516 final PackageHandler mHandler; 517 518 private final ProcessLoggingHandler mProcessLoggingHandler; 519 520 /** 521 * Messages for {@link #mHandler} that need to wait for system ready before 522 * being dispatched. 523 */ 524 private ArrayList<Message> mPostSystemReadyMessages; 525 526 final int mSdkVersion = Build.VERSION.SDK_INT; 527 528 final Context mContext; 529 final boolean mFactoryTest; 530 final boolean mOnlyCore; 531 final DisplayMetrics mMetrics; 532 final int mDefParseFlags; 533 final String[] mSeparateProcesses; 534 final boolean mIsUpgrade; 535 final boolean mIsPreNUpgrade; 536 final boolean mIsPreNMR1Upgrade; 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 ServiceManager.addService("package", m); 1968 return m; 1969 } 1970 1971 private void enableSystemUserPackages() { 1972 if (!UserManager.isSplitSystemUser()) { 1973 return; 1974 } 1975 // For system user, enable apps based on the following conditions: 1976 // - app is whitelisted or belong to one of these groups: 1977 // -- system app which has no launcher icons 1978 // -- system app which has INTERACT_ACROSS_USERS permission 1979 // -- system IME app 1980 // - app is not in the blacklist 1981 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1982 Set<String> enableApps = new ArraySet<>(); 1983 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1984 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1985 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1986 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1987 enableApps.addAll(wlApps); 1988 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1989 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1990 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1991 enableApps.removeAll(blApps); 1992 Log.i(TAG, "Applications installed for system user: " + enableApps); 1993 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1994 UserHandle.SYSTEM); 1995 final int allAppsSize = allAps.size(); 1996 synchronized (mPackages) { 1997 for (int i = 0; i < allAppsSize; i++) { 1998 String pName = allAps.get(i); 1999 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2000 // Should not happen, but we shouldn't be failing if it does 2001 if (pkgSetting == null) { 2002 continue; 2003 } 2004 boolean install = enableApps.contains(pName); 2005 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2006 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2007 + " for system user"); 2008 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2009 } 2010 } 2011 } 2012 } 2013 2014 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2015 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2016 Context.DISPLAY_SERVICE); 2017 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2018 } 2019 2020 /** 2021 * Requests that files preopted on a secondary system partition be copied to the data partition 2022 * if possible. Note that the actual copying of the files is accomplished by init for security 2023 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2024 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2025 */ 2026 private static void requestCopyPreoptedFiles() { 2027 final int WAIT_TIME_MS = 100; 2028 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2029 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2030 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2031 // We will wait for up to 100 seconds. 2032 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2033 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2034 try { 2035 Thread.sleep(WAIT_TIME_MS); 2036 } catch (InterruptedException e) { 2037 // Do nothing 2038 } 2039 if (SystemClock.uptimeMillis() > timeEnd) { 2040 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2041 Slog.wtf(TAG, "cppreopt did not finish!"); 2042 break; 2043 } 2044 } 2045 } 2046 } 2047 2048 public PackageManagerService(Context context, Installer installer, 2049 boolean factoryTest, boolean onlyCore) { 2050 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2051 SystemClock.uptimeMillis()); 2052 2053 if (mSdkVersion <= 0) { 2054 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2055 } 2056 2057 mContext = context; 2058 mFactoryTest = factoryTest; 2059 mOnlyCore = onlyCore; 2060 mMetrics = new DisplayMetrics(); 2061 mSettings = new Settings(mPackages); 2062 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2063 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2064 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2065 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2066 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2067 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2068 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2069 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2070 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2071 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2072 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2073 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2074 2075 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2076 if (separateProcesses != null && separateProcesses.length() > 0) { 2077 if ("*".equals(separateProcesses)) { 2078 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2079 mSeparateProcesses = null; 2080 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2081 } else { 2082 mDefParseFlags = 0; 2083 mSeparateProcesses = separateProcesses.split(","); 2084 Slog.w(TAG, "Running with debug.separate_processes: " 2085 + separateProcesses); 2086 } 2087 } else { 2088 mDefParseFlags = 0; 2089 mSeparateProcesses = null; 2090 } 2091 2092 mInstaller = installer; 2093 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2094 "*dexopt*"); 2095 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2096 2097 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2098 FgThread.get().getLooper()); 2099 2100 getDefaultDisplayMetrics(context, mMetrics); 2101 2102 SystemConfig systemConfig = SystemConfig.getInstance(); 2103 mGlobalGids = systemConfig.getGlobalGids(); 2104 mSystemPermissions = systemConfig.getSystemPermissions(); 2105 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2106 2107 mProtectedPackages = new ProtectedPackages(mContext); 2108 2109 synchronized (mInstallLock) { 2110 // writer 2111 synchronized (mPackages) { 2112 mHandlerThread = new ServiceThread(TAG, 2113 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2114 mHandlerThread.start(); 2115 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2116 mProcessLoggingHandler = new ProcessLoggingHandler(); 2117 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2118 2119 File dataDir = Environment.getDataDirectory(); 2120 mAppInstallDir = new File(dataDir, "app"); 2121 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2122 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2123 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2124 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2125 2126 sUserManager = new UserManagerService(context, this, mPackages); 2127 2128 // Propagate permission configuration in to package manager. 2129 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2130 = systemConfig.getPermissions(); 2131 for (int i=0; i<permConfig.size(); i++) { 2132 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2133 BasePermission bp = mSettings.mPermissions.get(perm.name); 2134 if (bp == null) { 2135 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2136 mSettings.mPermissions.put(perm.name, bp); 2137 } 2138 if (perm.gids != null) { 2139 bp.setGids(perm.gids, perm.perUser); 2140 } 2141 } 2142 2143 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2144 for (int i=0; i<libConfig.size(); i++) { 2145 mSharedLibraries.put(libConfig.keyAt(i), 2146 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2147 } 2148 2149 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2150 2151 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2152 2153 if (mFirstBoot) { 2154 requestCopyPreoptedFiles(); 2155 } 2156 2157 String customResolverActivity = Resources.getSystem().getString( 2158 R.string.config_customResolverActivity); 2159 if (TextUtils.isEmpty(customResolverActivity)) { 2160 customResolverActivity = null; 2161 } else { 2162 mCustomResolverComponentName = ComponentName.unflattenFromString( 2163 customResolverActivity); 2164 } 2165 2166 long startTime = SystemClock.uptimeMillis(); 2167 2168 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2169 startTime); 2170 2171 // Set flag to monitor and not change apk file paths when 2172 // scanning install directories. 2173 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2174 2175 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2176 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2177 2178 if (bootClassPath == null) { 2179 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2180 } 2181 2182 if (systemServerClassPath == null) { 2183 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2184 } 2185 2186 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2187 final String[] dexCodeInstructionSets = 2188 getDexCodeInstructionSets( 2189 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2190 2191 /** 2192 * Ensure all external libraries have had dexopt run on them. 2193 */ 2194 if (mSharedLibraries.size() > 0) { 2195 // NOTE: For now, we're compiling these system "shared libraries" 2196 // (and framework jars) into all available architectures. It's possible 2197 // to compile them only when we come across an app that uses them (there's 2198 // already logic for that in scanPackageLI) but that adds some complexity. 2199 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2200 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2201 final String lib = libEntry.path; 2202 if (lib == null) { 2203 continue; 2204 } 2205 2206 try { 2207 // Shared libraries do not have profiles so we perform a full 2208 // AOT compilation (if needed). 2209 int dexoptNeeded = DexFile.getDexOptNeeded( 2210 lib, dexCodeInstructionSet, 2211 getCompilerFilterForReason(REASON_SHARED_APK), 2212 false /* newProfile */); 2213 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2214 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2215 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2216 getCompilerFilterForReason(REASON_SHARED_APK), 2217 StorageManager.UUID_PRIVATE_INTERNAL, 2218 SKIP_SHARED_LIBRARY_CHECK); 2219 } 2220 } catch (FileNotFoundException e) { 2221 Slog.w(TAG, "Library not found: " + lib); 2222 } catch (IOException | InstallerException e) { 2223 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2224 + e.getMessage()); 2225 } 2226 } 2227 } 2228 } 2229 2230 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2231 2232 final VersionInfo ver = mSettings.getInternalVersion(); 2233 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2234 2235 // when upgrading from pre-M, promote system app permissions from install to runtime 2236 mPromoteSystemApps = 2237 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2238 2239 // When upgrading from pre-N, we need to handle package extraction like first boot, 2240 // as there is no profiling data available. 2241 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2242 2243 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2244 2245 // save off the names of pre-existing system packages prior to scanning; we don't 2246 // want to automatically grant runtime permissions for new system apps 2247 if (mPromoteSystemApps) { 2248 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2249 while (pkgSettingIter.hasNext()) { 2250 PackageSetting ps = pkgSettingIter.next(); 2251 if (isSystemApp(ps)) { 2252 mExistingSystemPackages.add(ps.name); 2253 } 2254 } 2255 } 2256 2257 // Collect vendor overlay packages. 2258 // (Do this before scanning any apps.) 2259 // For security and version matching reason, only consider 2260 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2261 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2262 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2263 | PackageParser.PARSE_IS_SYSTEM 2264 | PackageParser.PARSE_IS_SYSTEM_DIR 2265 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2266 2267 // Find base frameworks (resource packages without code). 2268 scanDirTracedLI(frameworkDir, mDefParseFlags 2269 | PackageParser.PARSE_IS_SYSTEM 2270 | PackageParser.PARSE_IS_SYSTEM_DIR 2271 | PackageParser.PARSE_IS_PRIVILEGED, 2272 scanFlags | SCAN_NO_DEX, 0); 2273 2274 // Collected privileged system packages. 2275 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2276 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2277 | PackageParser.PARSE_IS_SYSTEM 2278 | PackageParser.PARSE_IS_SYSTEM_DIR 2279 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2280 2281 // Collect ordinary system packages. 2282 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2283 scanDirTracedLI(systemAppDir, mDefParseFlags 2284 | PackageParser.PARSE_IS_SYSTEM 2285 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2286 2287 // Collect all vendor packages. 2288 File vendorAppDir = new File("/vendor/app"); 2289 try { 2290 vendorAppDir = vendorAppDir.getCanonicalFile(); 2291 } catch (IOException e) { 2292 // failed to look up canonical path, continue with original one 2293 } 2294 scanDirTracedLI(vendorAppDir, mDefParseFlags 2295 | PackageParser.PARSE_IS_SYSTEM 2296 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2297 2298 // Collect all OEM packages. 2299 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2300 scanDirTracedLI(oemAppDir, mDefParseFlags 2301 | PackageParser.PARSE_IS_SYSTEM 2302 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2303 2304 // Prune any system packages that no longer exist. 2305 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2306 if (!mOnlyCore) { 2307 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2308 while (psit.hasNext()) { 2309 PackageSetting ps = psit.next(); 2310 2311 /* 2312 * If this is not a system app, it can't be a 2313 * disable system app. 2314 */ 2315 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2316 continue; 2317 } 2318 2319 /* 2320 * If the package is scanned, it's not erased. 2321 */ 2322 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2323 if (scannedPkg != null) { 2324 /* 2325 * If the system app is both scanned and in the 2326 * disabled packages list, then it must have been 2327 * added via OTA. Remove it from the currently 2328 * scanned package so the previously user-installed 2329 * application can be scanned. 2330 */ 2331 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2332 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2333 + ps.name + "; removing system app. Last known codePath=" 2334 + ps.codePathString + ", installStatus=" + ps.installStatus 2335 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2336 + scannedPkg.mVersionCode); 2337 removePackageLI(scannedPkg, true); 2338 mExpectingBetter.put(ps.name, ps.codePath); 2339 } 2340 2341 continue; 2342 } 2343 2344 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2345 psit.remove(); 2346 logCriticalInfo(Log.WARN, "System package " + ps.name 2347 + " no longer exists; it's data will be wiped"); 2348 // Actual deletion of code and data will be handled by later 2349 // reconciliation step 2350 } else { 2351 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2352 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2353 possiblyDeletedUpdatedSystemApps.add(ps.name); 2354 } 2355 } 2356 } 2357 } 2358 2359 //look for any incomplete package installations 2360 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2361 for (int i = 0; i < deletePkgsList.size(); i++) { 2362 // Actual deletion of code and data will be handled by later 2363 // reconciliation step 2364 final String packageName = deletePkgsList.get(i).name; 2365 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2366 synchronized (mPackages) { 2367 mSettings.removePackageLPw(packageName); 2368 } 2369 } 2370 2371 //delete tmp files 2372 deleteTempPackageFiles(); 2373 2374 // Remove any shared userIDs that have no associated packages 2375 mSettings.pruneSharedUsersLPw(); 2376 2377 if (!mOnlyCore) { 2378 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2379 SystemClock.uptimeMillis()); 2380 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2381 2382 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2383 | PackageParser.PARSE_FORWARD_LOCK, 2384 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2385 2386 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2387 | PackageParser.PARSE_IS_EPHEMERAL, 2388 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2389 2390 /** 2391 * Remove disable package settings for any updated system 2392 * apps that were removed via an OTA. If they're not a 2393 * previously-updated app, remove them completely. 2394 * Otherwise, just revoke their system-level permissions. 2395 */ 2396 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2397 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2398 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2399 2400 String msg; 2401 if (deletedPkg == null) { 2402 msg = "Updated system package " + deletedAppName 2403 + " no longer exists; it's data will be wiped"; 2404 // Actual deletion of code and data will be handled by later 2405 // reconciliation step 2406 } else { 2407 msg = "Updated system app + " + deletedAppName 2408 + " no longer present; removing system privileges for " 2409 + deletedAppName; 2410 2411 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2412 2413 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2414 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2415 } 2416 logCriticalInfo(Log.WARN, msg); 2417 } 2418 2419 /** 2420 * Make sure all system apps that we expected to appear on 2421 * the userdata partition actually showed up. If they never 2422 * appeared, crawl back and revive the system version. 2423 */ 2424 for (int i = 0; i < mExpectingBetter.size(); i++) { 2425 final String packageName = mExpectingBetter.keyAt(i); 2426 if (!mPackages.containsKey(packageName)) { 2427 final File scanFile = mExpectingBetter.valueAt(i); 2428 2429 logCriticalInfo(Log.WARN, "Expected better " + packageName 2430 + " but never showed up; reverting to system"); 2431 2432 int reparseFlags = mDefParseFlags; 2433 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2434 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2435 | PackageParser.PARSE_IS_SYSTEM_DIR 2436 | PackageParser.PARSE_IS_PRIVILEGED; 2437 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2438 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2439 | PackageParser.PARSE_IS_SYSTEM_DIR; 2440 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2441 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2442 | PackageParser.PARSE_IS_SYSTEM_DIR; 2443 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2444 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2445 | PackageParser.PARSE_IS_SYSTEM_DIR; 2446 } else { 2447 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2448 continue; 2449 } 2450 2451 mSettings.enableSystemPackageLPw(packageName); 2452 2453 try { 2454 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2455 } catch (PackageManagerException e) { 2456 Slog.e(TAG, "Failed to parse original system package: " 2457 + e.getMessage()); 2458 } 2459 } 2460 } 2461 } 2462 mExpectingBetter.clear(); 2463 2464 // Resolve protected action filters. Only the setup wizard is allowed to 2465 // have a high priority filter for these actions. 2466 mSetupWizardPackage = getSetupWizardPackageName(); 2467 if (mProtectedFilters.size() > 0) { 2468 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2469 Slog.i(TAG, "No setup wizard;" 2470 + " All protected intents capped to priority 0"); 2471 } 2472 for (ActivityIntentInfo filter : mProtectedFilters) { 2473 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2474 if (DEBUG_FILTERS) { 2475 Slog.i(TAG, "Found setup wizard;" 2476 + " allow priority " + filter.getPriority() + ";" 2477 + " package: " + filter.activity.info.packageName 2478 + " activity: " + filter.activity.className 2479 + " priority: " + filter.getPriority()); 2480 } 2481 // skip setup wizard; allow it to keep the high priority filter 2482 continue; 2483 } 2484 Slog.w(TAG, "Protected action; cap priority to 0;" 2485 + " package: " + filter.activity.info.packageName 2486 + " activity: " + filter.activity.className 2487 + " origPrio: " + filter.getPriority()); 2488 filter.setPriority(0); 2489 } 2490 } 2491 mDeferProtectedFilters = false; 2492 mProtectedFilters.clear(); 2493 2494 // Now that we know all of the shared libraries, update all clients to have 2495 // the correct library paths. 2496 updateAllSharedLibrariesLPw(); 2497 2498 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2499 // NOTE: We ignore potential failures here during a system scan (like 2500 // the rest of the commands above) because there's precious little we 2501 // can do about it. A settings error is reported, though. 2502 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2503 false /* boot complete */); 2504 } 2505 2506 // Now that we know all the packages we are keeping, 2507 // read and update their last usage times. 2508 mPackageUsage.read(mPackages); 2509 mCompilerStats.read(); 2510 2511 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2512 SystemClock.uptimeMillis()); 2513 Slog.i(TAG, "Time to scan packages: " 2514 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2515 + " seconds"); 2516 2517 // If the platform SDK has changed since the last time we booted, 2518 // we need to re-grant app permission to catch any new ones that 2519 // appear. This is really a hack, and means that apps can in some 2520 // cases get permissions that the user didn't initially explicitly 2521 // allow... it would be nice to have some better way to handle 2522 // this situation. 2523 int updateFlags = UPDATE_PERMISSIONS_ALL; 2524 if (ver.sdkVersion != mSdkVersion) { 2525 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2526 + mSdkVersion + "; regranting permissions for internal storage"); 2527 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2528 } 2529 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2530 ver.sdkVersion = mSdkVersion; 2531 2532 // If this is the first boot or an update from pre-M, and it is a normal 2533 // boot, then we need to initialize the default preferred apps across 2534 // all defined users. 2535 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2536 for (UserInfo user : sUserManager.getUsers(true)) { 2537 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2538 applyFactoryDefaultBrowserLPw(user.id); 2539 primeDomainVerificationsLPw(user.id); 2540 } 2541 } 2542 2543 // Prepare storage for system user really early during boot, 2544 // since core system apps like SettingsProvider and SystemUI 2545 // can't wait for user to start 2546 final int storageFlags; 2547 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2548 storageFlags = StorageManager.FLAG_STORAGE_DE; 2549 } else { 2550 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2551 } 2552 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2553 storageFlags); 2554 2555 // If this is first boot after an OTA, and a normal boot, then 2556 // we need to clear code cache directories. 2557 // Note that we do *not* clear the application profiles. These remain valid 2558 // across OTAs and are used to drive profile verification (post OTA) and 2559 // profile compilation (without waiting to collect a fresh set of profiles). 2560 if (mIsUpgrade && !onlyCore) { 2561 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2562 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2563 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2564 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2565 // No apps are running this early, so no need to freeze 2566 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2567 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2568 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2569 } 2570 } 2571 ver.fingerprint = Build.FINGERPRINT; 2572 } 2573 2574 checkDefaultBrowser(); 2575 2576 // clear only after permissions and other defaults have been updated 2577 mExistingSystemPackages.clear(); 2578 mPromoteSystemApps = false; 2579 2580 // All the changes are done during package scanning. 2581 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2582 2583 // can downgrade to reader 2584 mSettings.writeLPr(); 2585 2586 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2587 // early on (before the package manager declares itself as early) because other 2588 // components in the system server might ask for package contexts for these apps. 2589 // 2590 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2591 // (i.e, that the data partition is unavailable). 2592 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2593 long start = System.nanoTime(); 2594 List<PackageParser.Package> coreApps = new ArrayList<>(); 2595 for (PackageParser.Package pkg : mPackages.values()) { 2596 if (pkg.coreApp) { 2597 coreApps.add(pkg); 2598 } 2599 } 2600 2601 int[] stats = performDexOptUpgrade(coreApps, false, 2602 getCompilerFilterForReason(REASON_CORE_APP)); 2603 2604 final int elapsedTimeSeconds = 2605 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2606 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2607 2608 if (DEBUG_DEXOPT) { 2609 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2610 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2611 } 2612 2613 2614 // TODO: Should we log these stats to tron too ? 2615 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2616 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2617 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2618 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2619 } 2620 2621 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2622 SystemClock.uptimeMillis()); 2623 2624 if (!mOnlyCore) { 2625 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2626 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2627 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2628 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2629 mIntentFilterVerifierComponent); 2630 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2631 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2632 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2633 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2634 } else { 2635 mRequiredVerifierPackage = null; 2636 mRequiredInstallerPackage = null; 2637 mIntentFilterVerifierComponent = null; 2638 mIntentFilterVerifier = null; 2639 mServicesSystemSharedLibraryPackageName = null; 2640 mSharedSystemSharedLibraryPackageName = null; 2641 } 2642 2643 mInstallerService = new PackageInstallerService(context, this); 2644 2645 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2646 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2647 // both the installer and resolver must be present to enable ephemeral 2648 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2649 if (DEBUG_EPHEMERAL) { 2650 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2651 + " installer:" + ephemeralInstallerComponent); 2652 } 2653 mEphemeralResolverComponent = ephemeralResolverComponent; 2654 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2655 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2656 mEphemeralResolverConnection = 2657 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2658 } else { 2659 if (DEBUG_EPHEMERAL) { 2660 final String missingComponent = 2661 (ephemeralResolverComponent == null) 2662 ? (ephemeralInstallerComponent == null) 2663 ? "resolver and installer" 2664 : "resolver" 2665 : "installer"; 2666 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2667 } 2668 mEphemeralResolverComponent = null; 2669 mEphemeralInstallerComponent = null; 2670 mEphemeralResolverConnection = null; 2671 } 2672 2673 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2674 } // synchronized (mPackages) 2675 } // synchronized (mInstallLock) 2676 2677 // Now after opening every single application zip, make sure they 2678 // are all flushed. Not really needed, but keeps things nice and 2679 // tidy. 2680 Runtime.getRuntime().gc(); 2681 2682 // The initial scanning above does many calls into installd while 2683 // holding the mPackages lock, but we're mostly interested in yelling 2684 // once we have a booted system. 2685 mInstaller.setWarnIfHeld(mPackages); 2686 2687 // Expose private service for system components to use. 2688 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2689 } 2690 2691 @Override 2692 public boolean isFirstBoot() { 2693 return mFirstBoot; 2694 } 2695 2696 @Override 2697 public boolean isOnlyCoreApps() { 2698 return mOnlyCore; 2699 } 2700 2701 @Override 2702 public boolean isUpgrade() { 2703 return mIsUpgrade; 2704 } 2705 2706 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2707 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2708 2709 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2710 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2711 UserHandle.USER_SYSTEM); 2712 if (matches.size() == 1) { 2713 return matches.get(0).getComponentInfo().packageName; 2714 } else { 2715 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2716 return null; 2717 } 2718 } 2719 2720 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2721 synchronized (mPackages) { 2722 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2723 if (libraryEntry == null) { 2724 throw new IllegalStateException("Missing required shared library:" + libraryName); 2725 } 2726 return libraryEntry.apk; 2727 } 2728 } 2729 2730 private @NonNull String getRequiredInstallerLPr() { 2731 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2732 intent.addCategory(Intent.CATEGORY_DEFAULT); 2733 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2734 2735 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2736 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2737 UserHandle.USER_SYSTEM); 2738 if (matches.size() == 1) { 2739 ResolveInfo resolveInfo = matches.get(0); 2740 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2741 throw new RuntimeException("The installer must be a privileged app"); 2742 } 2743 return matches.get(0).getComponentInfo().packageName; 2744 } else { 2745 throw new RuntimeException("There must be exactly one installer; found " + matches); 2746 } 2747 } 2748 2749 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2750 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2751 2752 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2753 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2754 UserHandle.USER_SYSTEM); 2755 ResolveInfo best = null; 2756 final int N = matches.size(); 2757 for (int i = 0; i < N; i++) { 2758 final ResolveInfo cur = matches.get(i); 2759 final String packageName = cur.getComponentInfo().packageName; 2760 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2761 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2762 continue; 2763 } 2764 2765 if (best == null || cur.priority > best.priority) { 2766 best = cur; 2767 } 2768 } 2769 2770 if (best != null) { 2771 return best.getComponentInfo().getComponentName(); 2772 } else { 2773 throw new RuntimeException("There must be at least one intent filter verifier"); 2774 } 2775 } 2776 2777 private @Nullable ComponentName getEphemeralResolverLPr() { 2778 final String[] packageArray = 2779 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2780 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2781 if (DEBUG_EPHEMERAL) { 2782 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2783 } 2784 return null; 2785 } 2786 2787 final int resolveFlags = 2788 MATCH_DIRECT_BOOT_AWARE 2789 | MATCH_DIRECT_BOOT_UNAWARE 2790 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2791 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2792 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2793 resolveFlags, UserHandle.USER_SYSTEM); 2794 2795 final int N = resolvers.size(); 2796 if (N == 0) { 2797 if (DEBUG_EPHEMERAL) { 2798 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2799 } 2800 return null; 2801 } 2802 2803 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2804 for (int i = 0; i < N; i++) { 2805 final ResolveInfo info = resolvers.get(i); 2806 2807 if (info.serviceInfo == null) { 2808 continue; 2809 } 2810 2811 final String packageName = info.serviceInfo.packageName; 2812 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2813 if (DEBUG_EPHEMERAL) { 2814 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2815 + " pkg: " + packageName + ", info:" + info); 2816 } 2817 continue; 2818 } 2819 2820 if (DEBUG_EPHEMERAL) { 2821 Slog.v(TAG, "Ephemeral resolver found;" 2822 + " pkg: " + packageName + ", info:" + info); 2823 } 2824 return new ComponentName(packageName, info.serviceInfo.name); 2825 } 2826 if (DEBUG_EPHEMERAL) { 2827 Slog.v(TAG, "Ephemeral resolver NOT found"); 2828 } 2829 return null; 2830 } 2831 2832 private @Nullable ComponentName getEphemeralInstallerLPr() { 2833 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2834 intent.addCategory(Intent.CATEGORY_DEFAULT); 2835 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2836 2837 final int resolveFlags = 2838 MATCH_DIRECT_BOOT_AWARE 2839 | MATCH_DIRECT_BOOT_UNAWARE 2840 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2841 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2842 resolveFlags, UserHandle.USER_SYSTEM); 2843 if (matches.size() == 0) { 2844 return null; 2845 } else if (matches.size() == 1) { 2846 return matches.get(0).getComponentInfo().getComponentName(); 2847 } else { 2848 throw new RuntimeException( 2849 "There must be at most one ephemeral installer; found " + matches); 2850 } 2851 } 2852 2853 private void primeDomainVerificationsLPw(int userId) { 2854 if (DEBUG_DOMAIN_VERIFICATION) { 2855 Slog.d(TAG, "Priming domain verifications in user " + userId); 2856 } 2857 2858 SystemConfig systemConfig = SystemConfig.getInstance(); 2859 ArraySet<String> packages = systemConfig.getLinkedApps(); 2860 ArraySet<String> domains = new ArraySet<String>(); 2861 2862 for (String packageName : packages) { 2863 PackageParser.Package pkg = mPackages.get(packageName); 2864 if (pkg != null) { 2865 if (!pkg.isSystemApp()) { 2866 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2867 continue; 2868 } 2869 2870 domains.clear(); 2871 for (PackageParser.Activity a : pkg.activities) { 2872 for (ActivityIntentInfo filter : a.intents) { 2873 if (hasValidDomains(filter)) { 2874 domains.addAll(filter.getHostsList()); 2875 } 2876 } 2877 } 2878 2879 if (domains.size() > 0) { 2880 if (DEBUG_DOMAIN_VERIFICATION) { 2881 Slog.v(TAG, " + " + packageName); 2882 } 2883 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2884 // state w.r.t. the formal app-linkage "no verification attempted" state; 2885 // and then 'always' in the per-user state actually used for intent resolution. 2886 final IntentFilterVerificationInfo ivi; 2887 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2888 new ArrayList<String>(domains)); 2889 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2890 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2891 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2892 } else { 2893 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2894 + "' does not handle web links"); 2895 } 2896 } else { 2897 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2898 } 2899 } 2900 2901 scheduleWritePackageRestrictionsLocked(userId); 2902 scheduleWriteSettingsLocked(); 2903 } 2904 2905 private void applyFactoryDefaultBrowserLPw(int userId) { 2906 // The default browser app's package name is stored in a string resource, 2907 // with a product-specific overlay used for vendor customization. 2908 String browserPkg = mContext.getResources().getString( 2909 com.android.internal.R.string.default_browser); 2910 if (!TextUtils.isEmpty(browserPkg)) { 2911 // non-empty string => required to be a known package 2912 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2913 if (ps == null) { 2914 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2915 browserPkg = null; 2916 } else { 2917 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2918 } 2919 } 2920 2921 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2922 // default. If there's more than one, just leave everything alone. 2923 if (browserPkg == null) { 2924 calculateDefaultBrowserLPw(userId); 2925 } 2926 } 2927 2928 private void calculateDefaultBrowserLPw(int userId) { 2929 List<String> allBrowsers = resolveAllBrowserApps(userId); 2930 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2931 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2932 } 2933 2934 private List<String> resolveAllBrowserApps(int userId) { 2935 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2936 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2937 PackageManager.MATCH_ALL, userId); 2938 2939 final int count = list.size(); 2940 List<String> result = new ArrayList<String>(count); 2941 for (int i=0; i<count; i++) { 2942 ResolveInfo info = list.get(i); 2943 if (info.activityInfo == null 2944 || !info.handleAllWebDataURI 2945 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2946 || result.contains(info.activityInfo.packageName)) { 2947 continue; 2948 } 2949 result.add(info.activityInfo.packageName); 2950 } 2951 2952 return result; 2953 } 2954 2955 private boolean packageIsBrowser(String packageName, int userId) { 2956 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2957 PackageManager.MATCH_ALL, userId); 2958 final int N = list.size(); 2959 for (int i = 0; i < N; i++) { 2960 ResolveInfo info = list.get(i); 2961 if (packageName.equals(info.activityInfo.packageName)) { 2962 return true; 2963 } 2964 } 2965 return false; 2966 } 2967 2968 private void checkDefaultBrowser() { 2969 final int myUserId = UserHandle.myUserId(); 2970 final String packageName = getDefaultBrowserPackageName(myUserId); 2971 if (packageName != null) { 2972 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2973 if (info == null) { 2974 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2975 synchronized (mPackages) { 2976 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2977 } 2978 } 2979 } 2980 } 2981 2982 @Override 2983 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2984 throws RemoteException { 2985 try { 2986 return super.onTransact(code, data, reply, flags); 2987 } catch (RuntimeException e) { 2988 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2989 Slog.wtf(TAG, "Package Manager Crash", e); 2990 } 2991 throw e; 2992 } 2993 } 2994 2995 static int[] appendInts(int[] cur, int[] add) { 2996 if (add == null) return cur; 2997 if (cur == null) return add; 2998 final int N = add.length; 2999 for (int i=0; i<N; i++) { 3000 cur = appendInt(cur, add[i]); 3001 } 3002 return cur; 3003 } 3004 3005 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3006 if (!sUserManager.exists(userId)) return null; 3007 if (ps == null) { 3008 return null; 3009 } 3010 final PackageParser.Package p = ps.pkg; 3011 if (p == null) { 3012 return null; 3013 } 3014 3015 final PermissionsState permissionsState = ps.getPermissionsState(); 3016 3017 // Compute GIDs only if requested 3018 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3019 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3020 // Compute granted permissions only if package has requested permissions 3021 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3022 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3023 final PackageUserState state = ps.readUserState(userId); 3024 3025 return PackageParser.generatePackageInfo(p, gids, flags, 3026 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3027 } 3028 3029 @Override 3030 public void checkPackageStartable(String packageName, int userId) { 3031 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3032 3033 synchronized (mPackages) { 3034 final PackageSetting ps = mSettings.mPackages.get(packageName); 3035 if (ps == null) { 3036 throw new SecurityException("Package " + packageName + " was not found!"); 3037 } 3038 3039 if (!ps.getInstalled(userId)) { 3040 throw new SecurityException( 3041 "Package " + packageName + " was not installed for user " + userId + "!"); 3042 } 3043 3044 if (mSafeMode && !ps.isSystem()) { 3045 throw new SecurityException("Package " + packageName + " not a system app!"); 3046 } 3047 3048 if (mFrozenPackages.contains(packageName)) { 3049 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3050 } 3051 3052 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3053 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3054 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3055 } 3056 } 3057 } 3058 3059 @Override 3060 public boolean isPackageAvailable(String packageName, int userId) { 3061 if (!sUserManager.exists(userId)) return false; 3062 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3063 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3064 synchronized (mPackages) { 3065 PackageParser.Package p = mPackages.get(packageName); 3066 if (p != null) { 3067 final PackageSetting ps = (PackageSetting) p.mExtras; 3068 if (ps != null) { 3069 final PackageUserState state = ps.readUserState(userId); 3070 if (state != null) { 3071 return PackageParser.isAvailable(state); 3072 } 3073 } 3074 } 3075 } 3076 return false; 3077 } 3078 3079 @Override 3080 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3081 if (!sUserManager.exists(userId)) return null; 3082 flags = updateFlagsForPackage(flags, userId, packageName); 3083 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3084 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3085 // reader 3086 synchronized (mPackages) { 3087 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3088 PackageParser.Package p = null; 3089 if (matchFactoryOnly) { 3090 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3091 if (ps != null) { 3092 return generatePackageInfo(ps, flags, userId); 3093 } 3094 } 3095 if (p == null) { 3096 p = mPackages.get(packageName); 3097 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3098 return null; 3099 } 3100 } 3101 if (DEBUG_PACKAGE_INFO) 3102 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3103 if (p != null) { 3104 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3105 } 3106 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3107 final PackageSetting ps = mSettings.mPackages.get(packageName); 3108 return generatePackageInfo(ps, flags, userId); 3109 } 3110 } 3111 return null; 3112 } 3113 3114 @Override 3115 public String[] currentToCanonicalPackageNames(String[] names) { 3116 String[] out = new String[names.length]; 3117 // reader 3118 synchronized (mPackages) { 3119 for (int i=names.length-1; i>=0; i--) { 3120 PackageSetting ps = mSettings.mPackages.get(names[i]); 3121 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3122 } 3123 } 3124 return out; 3125 } 3126 3127 @Override 3128 public String[] canonicalToCurrentPackageNames(String[] names) { 3129 String[] out = new String[names.length]; 3130 // reader 3131 synchronized (mPackages) { 3132 for (int i=names.length-1; i>=0; i--) { 3133 String cur = mSettings.mRenamedPackages.get(names[i]); 3134 out[i] = cur != null ? cur : names[i]; 3135 } 3136 } 3137 return out; 3138 } 3139 3140 @Override 3141 public int getPackageUid(String packageName, int flags, int userId) { 3142 if (!sUserManager.exists(userId)) return -1; 3143 flags = updateFlagsForPackage(flags, userId, packageName); 3144 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3145 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3146 3147 // reader 3148 synchronized (mPackages) { 3149 final PackageParser.Package p = mPackages.get(packageName); 3150 if (p != null && p.isMatch(flags)) { 3151 return UserHandle.getUid(userId, p.applicationInfo.uid); 3152 } 3153 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3154 final PackageSetting ps = mSettings.mPackages.get(packageName); 3155 if (ps != null && ps.isMatch(flags)) { 3156 return UserHandle.getUid(userId, ps.appId); 3157 } 3158 } 3159 } 3160 3161 return -1; 3162 } 3163 3164 @Override 3165 public int[] getPackageGids(String packageName, int flags, int userId) { 3166 if (!sUserManager.exists(userId)) return null; 3167 flags = updateFlagsForPackage(flags, userId, packageName); 3168 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3169 false /* requireFullPermission */, false /* checkShell */, 3170 "getPackageGids"); 3171 3172 // reader 3173 synchronized (mPackages) { 3174 final PackageParser.Package p = mPackages.get(packageName); 3175 if (p != null && p.isMatch(flags)) { 3176 PackageSetting ps = (PackageSetting) p.mExtras; 3177 return ps.getPermissionsState().computeGids(userId); 3178 } 3179 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3180 final PackageSetting ps = mSettings.mPackages.get(packageName); 3181 if (ps != null && ps.isMatch(flags)) { 3182 return ps.getPermissionsState().computeGids(userId); 3183 } 3184 } 3185 } 3186 3187 return null; 3188 } 3189 3190 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3191 if (bp.perm != null) { 3192 return PackageParser.generatePermissionInfo(bp.perm, flags); 3193 } 3194 PermissionInfo pi = new PermissionInfo(); 3195 pi.name = bp.name; 3196 pi.packageName = bp.sourcePackage; 3197 pi.nonLocalizedLabel = bp.name; 3198 pi.protectionLevel = bp.protectionLevel; 3199 return pi; 3200 } 3201 3202 @Override 3203 public PermissionInfo getPermissionInfo(String name, int flags) { 3204 // reader 3205 synchronized (mPackages) { 3206 final BasePermission p = mSettings.mPermissions.get(name); 3207 if (p != null) { 3208 return generatePermissionInfo(p, flags); 3209 } 3210 return null; 3211 } 3212 } 3213 3214 @Override 3215 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3216 int flags) { 3217 // reader 3218 synchronized (mPackages) { 3219 if (group != null && !mPermissionGroups.containsKey(group)) { 3220 // This is thrown as NameNotFoundException 3221 return null; 3222 } 3223 3224 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3225 for (BasePermission p : mSettings.mPermissions.values()) { 3226 if (group == null) { 3227 if (p.perm == null || p.perm.info.group == null) { 3228 out.add(generatePermissionInfo(p, flags)); 3229 } 3230 } else { 3231 if (p.perm != null && group.equals(p.perm.info.group)) { 3232 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3233 } 3234 } 3235 } 3236 return new ParceledListSlice<>(out); 3237 } 3238 } 3239 3240 @Override 3241 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3242 // reader 3243 synchronized (mPackages) { 3244 return PackageParser.generatePermissionGroupInfo( 3245 mPermissionGroups.get(name), flags); 3246 } 3247 } 3248 3249 @Override 3250 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3251 // reader 3252 synchronized (mPackages) { 3253 final int N = mPermissionGroups.size(); 3254 ArrayList<PermissionGroupInfo> out 3255 = new ArrayList<PermissionGroupInfo>(N); 3256 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3257 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3258 } 3259 return new ParceledListSlice<>(out); 3260 } 3261 } 3262 3263 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3264 int userId) { 3265 if (!sUserManager.exists(userId)) return null; 3266 PackageSetting ps = mSettings.mPackages.get(packageName); 3267 if (ps != null) { 3268 if (ps.pkg == null) { 3269 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3270 if (pInfo != null) { 3271 return pInfo.applicationInfo; 3272 } 3273 return null; 3274 } 3275 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3276 ps.readUserState(userId), userId); 3277 } 3278 return null; 3279 } 3280 3281 @Override 3282 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3283 if (!sUserManager.exists(userId)) return null; 3284 flags = updateFlagsForApplication(flags, userId, packageName); 3285 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3286 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3287 // writer 3288 synchronized (mPackages) { 3289 PackageParser.Package p = mPackages.get(packageName); 3290 if (DEBUG_PACKAGE_INFO) Log.v( 3291 TAG, "getApplicationInfo " + packageName 3292 + ": " + p); 3293 if (p != null) { 3294 PackageSetting ps = mSettings.mPackages.get(packageName); 3295 if (ps == null) return null; 3296 // Note: isEnabledLP() does not apply here - always return info 3297 return PackageParser.generateApplicationInfo( 3298 p, flags, ps.readUserState(userId), userId); 3299 } 3300 if ("android".equals(packageName)||"system".equals(packageName)) { 3301 return mAndroidApplication; 3302 } 3303 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3304 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3305 } 3306 } 3307 return null; 3308 } 3309 3310 @Override 3311 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3312 final IPackageDataObserver observer) { 3313 mContext.enforceCallingOrSelfPermission( 3314 android.Manifest.permission.CLEAR_APP_CACHE, null); 3315 // Queue up an async operation since clearing cache may take a little while. 3316 mHandler.post(new Runnable() { 3317 public void run() { 3318 mHandler.removeCallbacks(this); 3319 boolean success = true; 3320 synchronized (mInstallLock) { 3321 try { 3322 mInstaller.freeCache(volumeUuid, freeStorageSize); 3323 } catch (InstallerException e) { 3324 Slog.w(TAG, "Couldn't clear application caches: " + e); 3325 success = false; 3326 } 3327 } 3328 if (observer != null) { 3329 try { 3330 observer.onRemoveCompleted(null, success); 3331 } catch (RemoteException e) { 3332 Slog.w(TAG, "RemoveException when invoking call back"); 3333 } 3334 } 3335 } 3336 }); 3337 } 3338 3339 @Override 3340 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3341 final IntentSender pi) { 3342 mContext.enforceCallingOrSelfPermission( 3343 android.Manifest.permission.CLEAR_APP_CACHE, null); 3344 // Queue up an async operation since clearing cache may take a little while. 3345 mHandler.post(new Runnable() { 3346 public void run() { 3347 mHandler.removeCallbacks(this); 3348 boolean success = true; 3349 synchronized (mInstallLock) { 3350 try { 3351 mInstaller.freeCache(volumeUuid, freeStorageSize); 3352 } catch (InstallerException e) { 3353 Slog.w(TAG, "Couldn't clear application caches: " + e); 3354 success = false; 3355 } 3356 } 3357 if(pi != null) { 3358 try { 3359 // Callback via pending intent 3360 int code = success ? 1 : 0; 3361 pi.sendIntent(null, code, null, 3362 null, null); 3363 } catch (SendIntentException e1) { 3364 Slog.i(TAG, "Failed to send pending intent"); 3365 } 3366 } 3367 } 3368 }); 3369 } 3370 3371 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3372 synchronized (mInstallLock) { 3373 try { 3374 mInstaller.freeCache(volumeUuid, freeStorageSize); 3375 } catch (InstallerException e) { 3376 throw new IOException("Failed to free enough space", e); 3377 } 3378 } 3379 } 3380 3381 /** 3382 * Update given flags based on encryption status of current user. 3383 */ 3384 private int updateFlags(int flags, int userId) { 3385 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3386 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3387 // Caller expressed an explicit opinion about what encryption 3388 // aware/unaware components they want to see, so fall through and 3389 // give them what they want 3390 } else { 3391 // Caller expressed no opinion, so match based on user state 3392 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3393 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3394 } else { 3395 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3396 } 3397 } 3398 return flags; 3399 } 3400 3401 private UserManagerInternal getUserManagerInternal() { 3402 if (mUserManagerInternal == null) { 3403 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3404 } 3405 return mUserManagerInternal; 3406 } 3407 3408 /** 3409 * Update given flags when being used to request {@link PackageInfo}. 3410 */ 3411 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3412 boolean triaged = true; 3413 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3414 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3415 // Caller is asking for component details, so they'd better be 3416 // asking for specific encryption matching behavior, or be triaged 3417 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3418 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3419 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3420 triaged = false; 3421 } 3422 } 3423 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3424 | PackageManager.MATCH_SYSTEM_ONLY 3425 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3426 triaged = false; 3427 } 3428 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3429 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3430 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3431 } 3432 return updateFlags(flags, userId); 3433 } 3434 3435 /** 3436 * Update given flags when being used to request {@link ApplicationInfo}. 3437 */ 3438 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3439 return updateFlagsForPackage(flags, userId, cookie); 3440 } 3441 3442 /** 3443 * Update given flags when being used to request {@link ComponentInfo}. 3444 */ 3445 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3446 if (cookie instanceof Intent) { 3447 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3448 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3449 } 3450 } 3451 3452 boolean triaged = true; 3453 // Caller is asking for component details, so they'd better be 3454 // asking for specific encryption matching behavior, or be triaged 3455 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3456 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3457 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3458 triaged = false; 3459 } 3460 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3461 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3462 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3463 } 3464 3465 return updateFlags(flags, userId); 3466 } 3467 3468 /** 3469 * Update given flags when being used to request {@link ResolveInfo}. 3470 */ 3471 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3472 // Safe mode means we shouldn't match any third-party components 3473 if (mSafeMode) { 3474 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3475 } 3476 3477 return updateFlagsForComponent(flags, userId, cookie); 3478 } 3479 3480 @Override 3481 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3482 if (!sUserManager.exists(userId)) return null; 3483 flags = updateFlagsForComponent(flags, userId, component); 3484 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3485 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3486 synchronized (mPackages) { 3487 PackageParser.Activity a = mActivities.mActivities.get(component); 3488 3489 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3490 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3491 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3492 if (ps == null) return null; 3493 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3494 userId); 3495 } 3496 if (mResolveComponentName.equals(component)) { 3497 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3498 new PackageUserState(), userId); 3499 } 3500 } 3501 return null; 3502 } 3503 3504 @Override 3505 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3506 String resolvedType) { 3507 synchronized (mPackages) { 3508 if (component.equals(mResolveComponentName)) { 3509 // The resolver supports EVERYTHING! 3510 return true; 3511 } 3512 PackageParser.Activity a = mActivities.mActivities.get(component); 3513 if (a == null) { 3514 return false; 3515 } 3516 for (int i=0; i<a.intents.size(); i++) { 3517 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3518 intent.getData(), intent.getCategories(), TAG) >= 0) { 3519 return true; 3520 } 3521 } 3522 return false; 3523 } 3524 } 3525 3526 @Override 3527 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3528 if (!sUserManager.exists(userId)) return null; 3529 flags = updateFlagsForComponent(flags, userId, component); 3530 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3531 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3532 synchronized (mPackages) { 3533 PackageParser.Activity a = mReceivers.mActivities.get(component); 3534 if (DEBUG_PACKAGE_INFO) Log.v( 3535 TAG, "getReceiverInfo " + component + ": " + a); 3536 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3537 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3538 if (ps == null) return null; 3539 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3540 userId); 3541 } 3542 } 3543 return null; 3544 } 3545 3546 @Override 3547 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3548 if (!sUserManager.exists(userId)) return null; 3549 flags = updateFlagsForComponent(flags, userId, component); 3550 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3551 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3552 synchronized (mPackages) { 3553 PackageParser.Service s = mServices.mServices.get(component); 3554 if (DEBUG_PACKAGE_INFO) Log.v( 3555 TAG, "getServiceInfo " + component + ": " + s); 3556 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3557 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3558 if (ps == null) return null; 3559 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3560 userId); 3561 } 3562 } 3563 return null; 3564 } 3565 3566 @Override 3567 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3568 if (!sUserManager.exists(userId)) return null; 3569 flags = updateFlagsForComponent(flags, userId, component); 3570 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3571 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3572 synchronized (mPackages) { 3573 PackageParser.Provider p = mProviders.mProviders.get(component); 3574 if (DEBUG_PACKAGE_INFO) Log.v( 3575 TAG, "getProviderInfo " + component + ": " + p); 3576 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3577 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3578 if (ps == null) return null; 3579 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3580 userId); 3581 } 3582 } 3583 return null; 3584 } 3585 3586 @Override 3587 public String[] getSystemSharedLibraryNames() { 3588 Set<String> libSet; 3589 synchronized (mPackages) { 3590 libSet = mSharedLibraries.keySet(); 3591 int size = libSet.size(); 3592 if (size > 0) { 3593 String[] libs = new String[size]; 3594 libSet.toArray(libs); 3595 return libs; 3596 } 3597 } 3598 return null; 3599 } 3600 3601 @Override 3602 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3603 synchronized (mPackages) { 3604 return mServicesSystemSharedLibraryPackageName; 3605 } 3606 } 3607 3608 @Override 3609 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3610 synchronized (mPackages) { 3611 return mSharedSystemSharedLibraryPackageName; 3612 } 3613 } 3614 3615 @Override 3616 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3617 synchronized (mPackages) { 3618 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3619 3620 final FeatureInfo fi = new FeatureInfo(); 3621 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3622 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3623 res.add(fi); 3624 3625 return new ParceledListSlice<>(res); 3626 } 3627 } 3628 3629 @Override 3630 public boolean hasSystemFeature(String name, int version) { 3631 synchronized (mPackages) { 3632 final FeatureInfo feat = mAvailableFeatures.get(name); 3633 if (feat == null) { 3634 return false; 3635 } else { 3636 return feat.version >= version; 3637 } 3638 } 3639 } 3640 3641 @Override 3642 public int checkPermission(String permName, String pkgName, int userId) { 3643 if (!sUserManager.exists(userId)) { 3644 return PackageManager.PERMISSION_DENIED; 3645 } 3646 3647 synchronized (mPackages) { 3648 final PackageParser.Package p = mPackages.get(pkgName); 3649 if (p != null && p.mExtras != null) { 3650 final PackageSetting ps = (PackageSetting) p.mExtras; 3651 final PermissionsState permissionsState = ps.getPermissionsState(); 3652 if (permissionsState.hasPermission(permName, userId)) { 3653 return PackageManager.PERMISSION_GRANTED; 3654 } 3655 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3656 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3657 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3658 return PackageManager.PERMISSION_GRANTED; 3659 } 3660 } 3661 } 3662 3663 return PackageManager.PERMISSION_DENIED; 3664 } 3665 3666 @Override 3667 public int checkUidPermission(String permName, int uid) { 3668 final int userId = UserHandle.getUserId(uid); 3669 3670 if (!sUserManager.exists(userId)) { 3671 return PackageManager.PERMISSION_DENIED; 3672 } 3673 3674 synchronized (mPackages) { 3675 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3676 if (obj != null) { 3677 final SettingBase ps = (SettingBase) obj; 3678 final PermissionsState permissionsState = ps.getPermissionsState(); 3679 if (permissionsState.hasPermission(permName, userId)) { 3680 return PackageManager.PERMISSION_GRANTED; 3681 } 3682 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3683 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3684 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3685 return PackageManager.PERMISSION_GRANTED; 3686 } 3687 } else { 3688 ArraySet<String> perms = mSystemPermissions.get(uid); 3689 if (perms != null) { 3690 if (perms.contains(permName)) { 3691 return PackageManager.PERMISSION_GRANTED; 3692 } 3693 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3694 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3695 return PackageManager.PERMISSION_GRANTED; 3696 } 3697 } 3698 } 3699 } 3700 3701 return PackageManager.PERMISSION_DENIED; 3702 } 3703 3704 @Override 3705 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3706 if (UserHandle.getCallingUserId() != userId) { 3707 mContext.enforceCallingPermission( 3708 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3709 "isPermissionRevokedByPolicy for user " + userId); 3710 } 3711 3712 if (checkPermission(permission, packageName, userId) 3713 == PackageManager.PERMISSION_GRANTED) { 3714 return false; 3715 } 3716 3717 final long identity = Binder.clearCallingIdentity(); 3718 try { 3719 final int flags = getPermissionFlags(permission, packageName, userId); 3720 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3721 } finally { 3722 Binder.restoreCallingIdentity(identity); 3723 } 3724 } 3725 3726 @Override 3727 public String getPermissionControllerPackageName() { 3728 synchronized (mPackages) { 3729 return mRequiredInstallerPackage; 3730 } 3731 } 3732 3733 /** 3734 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3735 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3736 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3737 * @param message the message to log on security exception 3738 */ 3739 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3740 boolean checkShell, String message) { 3741 if (userId < 0) { 3742 throw new IllegalArgumentException("Invalid userId " + userId); 3743 } 3744 if (checkShell) { 3745 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3746 } 3747 if (userId == UserHandle.getUserId(callingUid)) return; 3748 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3749 if (requireFullPermission) { 3750 mContext.enforceCallingOrSelfPermission( 3751 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3752 } else { 3753 try { 3754 mContext.enforceCallingOrSelfPermission( 3755 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3756 } catch (SecurityException se) { 3757 mContext.enforceCallingOrSelfPermission( 3758 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3759 } 3760 } 3761 } 3762 } 3763 3764 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3765 if (callingUid == Process.SHELL_UID) { 3766 if (userHandle >= 0 3767 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3768 throw new SecurityException("Shell does not have permission to access user " 3769 + userHandle); 3770 } else if (userHandle < 0) { 3771 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3772 + Debug.getCallers(3)); 3773 } 3774 } 3775 } 3776 3777 private BasePermission findPermissionTreeLP(String permName) { 3778 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3779 if (permName.startsWith(bp.name) && 3780 permName.length() > bp.name.length() && 3781 permName.charAt(bp.name.length()) == '.') { 3782 return bp; 3783 } 3784 } 3785 return null; 3786 } 3787 3788 private BasePermission checkPermissionTreeLP(String permName) { 3789 if (permName != null) { 3790 BasePermission bp = findPermissionTreeLP(permName); 3791 if (bp != null) { 3792 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3793 return bp; 3794 } 3795 throw new SecurityException("Calling uid " 3796 + Binder.getCallingUid() 3797 + " is not allowed to add to permission tree " 3798 + bp.name + " owned by uid " + bp.uid); 3799 } 3800 } 3801 throw new SecurityException("No permission tree found for " + permName); 3802 } 3803 3804 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3805 if (s1 == null) { 3806 return s2 == null; 3807 } 3808 if (s2 == null) { 3809 return false; 3810 } 3811 if (s1.getClass() != s2.getClass()) { 3812 return false; 3813 } 3814 return s1.equals(s2); 3815 } 3816 3817 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3818 if (pi1.icon != pi2.icon) return false; 3819 if (pi1.logo != pi2.logo) return false; 3820 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3821 if (!compareStrings(pi1.name, pi2.name)) return false; 3822 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3823 // We'll take care of setting this one. 3824 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3825 // These are not currently stored in settings. 3826 //if (!compareStrings(pi1.group, pi2.group)) return false; 3827 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3828 //if (pi1.labelRes != pi2.labelRes) return false; 3829 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3830 return true; 3831 } 3832 3833 int permissionInfoFootprint(PermissionInfo info) { 3834 int size = info.name.length(); 3835 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3836 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3837 return size; 3838 } 3839 3840 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3841 int size = 0; 3842 for (BasePermission perm : mSettings.mPermissions.values()) { 3843 if (perm.uid == tree.uid) { 3844 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3845 } 3846 } 3847 return size; 3848 } 3849 3850 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3851 // We calculate the max size of permissions defined by this uid and throw 3852 // if that plus the size of 'info' would exceed our stated maximum. 3853 if (tree.uid != Process.SYSTEM_UID) { 3854 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3855 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3856 throw new SecurityException("Permission tree size cap exceeded"); 3857 } 3858 } 3859 } 3860 3861 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3862 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3863 throw new SecurityException("Label must be specified in permission"); 3864 } 3865 BasePermission tree = checkPermissionTreeLP(info.name); 3866 BasePermission bp = mSettings.mPermissions.get(info.name); 3867 boolean added = bp == null; 3868 boolean changed = true; 3869 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3870 if (added) { 3871 enforcePermissionCapLocked(info, tree); 3872 bp = new BasePermission(info.name, tree.sourcePackage, 3873 BasePermission.TYPE_DYNAMIC); 3874 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3875 throw new SecurityException( 3876 "Not allowed to modify non-dynamic permission " 3877 + info.name); 3878 } else { 3879 if (bp.protectionLevel == fixedLevel 3880 && bp.perm.owner.equals(tree.perm.owner) 3881 && bp.uid == tree.uid 3882 && comparePermissionInfos(bp.perm.info, info)) { 3883 changed = false; 3884 } 3885 } 3886 bp.protectionLevel = fixedLevel; 3887 info = new PermissionInfo(info); 3888 info.protectionLevel = fixedLevel; 3889 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3890 bp.perm.info.packageName = tree.perm.info.packageName; 3891 bp.uid = tree.uid; 3892 if (added) { 3893 mSettings.mPermissions.put(info.name, bp); 3894 } 3895 if (changed) { 3896 if (!async) { 3897 mSettings.writeLPr(); 3898 } else { 3899 scheduleWriteSettingsLocked(); 3900 } 3901 } 3902 return added; 3903 } 3904 3905 @Override 3906 public boolean addPermission(PermissionInfo info) { 3907 synchronized (mPackages) { 3908 return addPermissionLocked(info, false); 3909 } 3910 } 3911 3912 @Override 3913 public boolean addPermissionAsync(PermissionInfo info) { 3914 synchronized (mPackages) { 3915 return addPermissionLocked(info, true); 3916 } 3917 } 3918 3919 @Override 3920 public void removePermission(String name) { 3921 synchronized (mPackages) { 3922 checkPermissionTreeLP(name); 3923 BasePermission bp = mSettings.mPermissions.get(name); 3924 if (bp != null) { 3925 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3926 throw new SecurityException( 3927 "Not allowed to modify non-dynamic permission " 3928 + name); 3929 } 3930 mSettings.mPermissions.remove(name); 3931 mSettings.writeLPr(); 3932 } 3933 } 3934 } 3935 3936 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3937 BasePermission bp) { 3938 int index = pkg.requestedPermissions.indexOf(bp.name); 3939 if (index == -1) { 3940 throw new SecurityException("Package " + pkg.packageName 3941 + " has not requested permission " + bp.name); 3942 } 3943 if (!bp.isRuntime() && !bp.isDevelopment()) { 3944 throw new SecurityException("Permission " + bp.name 3945 + " is not a changeable permission type"); 3946 } 3947 } 3948 3949 @Override 3950 public void grantRuntimePermission(String packageName, String name, final int userId) { 3951 if (!sUserManager.exists(userId)) { 3952 Log.e(TAG, "No such user:" + userId); 3953 return; 3954 } 3955 3956 mContext.enforceCallingOrSelfPermission( 3957 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3958 "grantRuntimePermission"); 3959 3960 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3961 true /* requireFullPermission */, true /* checkShell */, 3962 "grantRuntimePermission"); 3963 3964 final int uid; 3965 final SettingBase sb; 3966 3967 synchronized (mPackages) { 3968 final PackageParser.Package pkg = mPackages.get(packageName); 3969 if (pkg == null) { 3970 throw new IllegalArgumentException("Unknown package: " + packageName); 3971 } 3972 3973 final BasePermission bp = mSettings.mPermissions.get(name); 3974 if (bp == null) { 3975 throw new IllegalArgumentException("Unknown permission: " + name); 3976 } 3977 3978 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3979 3980 // If a permission review is required for legacy apps we represent 3981 // their permissions as always granted runtime ones since we need 3982 // to keep the review required permission flag per user while an 3983 // install permission's state is shared across all users. 3984 if (Build.PERMISSIONS_REVIEW_REQUIRED 3985 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3986 && bp.isRuntime()) { 3987 return; 3988 } 3989 3990 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3991 sb = (SettingBase) pkg.mExtras; 3992 if (sb == null) { 3993 throw new IllegalArgumentException("Unknown package: " + packageName); 3994 } 3995 3996 final PermissionsState permissionsState = sb.getPermissionsState(); 3997 3998 final int flags = permissionsState.getPermissionFlags(name, userId); 3999 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4000 throw new SecurityException("Cannot grant system fixed permission " 4001 + name + " for package " + packageName); 4002 } 4003 4004 if (bp.isDevelopment()) { 4005 // Development permissions must be handled specially, since they are not 4006 // normal runtime permissions. For now they apply to all users. 4007 if (permissionsState.grantInstallPermission(bp) != 4008 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4009 scheduleWriteSettingsLocked(); 4010 } 4011 return; 4012 } 4013 4014 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4015 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4016 return; 4017 } 4018 4019 final int result = permissionsState.grantRuntimePermission(bp, userId); 4020 switch (result) { 4021 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4022 return; 4023 } 4024 4025 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4026 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4027 mHandler.post(new Runnable() { 4028 @Override 4029 public void run() { 4030 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4031 } 4032 }); 4033 } 4034 break; 4035 } 4036 4037 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4038 4039 // Not critical if that is lost - app has to request again. 4040 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4041 } 4042 4043 // Only need to do this if user is initialized. Otherwise it's a new user 4044 // and there are no processes running as the user yet and there's no need 4045 // to make an expensive call to remount processes for the changed permissions. 4046 if (READ_EXTERNAL_STORAGE.equals(name) 4047 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4048 final long token = Binder.clearCallingIdentity(); 4049 try { 4050 if (sUserManager.isInitialized(userId)) { 4051 MountServiceInternal mountServiceInternal = LocalServices.getService( 4052 MountServiceInternal.class); 4053 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4054 } 4055 } finally { 4056 Binder.restoreCallingIdentity(token); 4057 } 4058 } 4059 } 4060 4061 @Override 4062 public void revokeRuntimePermission(String packageName, String name, int userId) { 4063 if (!sUserManager.exists(userId)) { 4064 Log.e(TAG, "No such user:" + userId); 4065 return; 4066 } 4067 4068 mContext.enforceCallingOrSelfPermission( 4069 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4070 "revokeRuntimePermission"); 4071 4072 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4073 true /* requireFullPermission */, true /* checkShell */, 4074 "revokeRuntimePermission"); 4075 4076 final int appId; 4077 4078 synchronized (mPackages) { 4079 final PackageParser.Package pkg = mPackages.get(packageName); 4080 if (pkg == null) { 4081 throw new IllegalArgumentException("Unknown package: " + packageName); 4082 } 4083 4084 final BasePermission bp = mSettings.mPermissions.get(name); 4085 if (bp == null) { 4086 throw new IllegalArgumentException("Unknown permission: " + name); 4087 } 4088 4089 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4090 4091 // If a permission review is required for legacy apps we represent 4092 // their permissions as always granted runtime ones since we need 4093 // to keep the review required permission flag per user while an 4094 // install permission's state is shared across all users. 4095 if (Build.PERMISSIONS_REVIEW_REQUIRED 4096 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4097 && bp.isRuntime()) { 4098 return; 4099 } 4100 4101 SettingBase sb = (SettingBase) pkg.mExtras; 4102 if (sb == null) { 4103 throw new IllegalArgumentException("Unknown package: " + packageName); 4104 } 4105 4106 final PermissionsState permissionsState = sb.getPermissionsState(); 4107 4108 final int flags = permissionsState.getPermissionFlags(name, userId); 4109 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4110 throw new SecurityException("Cannot revoke system fixed permission " 4111 + name + " for package " + packageName); 4112 } 4113 4114 if (bp.isDevelopment()) { 4115 // Development permissions must be handled specially, since they are not 4116 // normal runtime permissions. For now they apply to all users. 4117 if (permissionsState.revokeInstallPermission(bp) != 4118 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4119 scheduleWriteSettingsLocked(); 4120 } 4121 return; 4122 } 4123 4124 if (permissionsState.revokeRuntimePermission(bp, userId) == 4125 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4126 return; 4127 } 4128 4129 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4130 4131 // Critical, after this call app should never have the permission. 4132 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4133 4134 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4135 } 4136 4137 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4138 } 4139 4140 @Override 4141 public void resetRuntimePermissions() { 4142 mContext.enforceCallingOrSelfPermission( 4143 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4144 "revokeRuntimePermission"); 4145 4146 int callingUid = Binder.getCallingUid(); 4147 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4148 mContext.enforceCallingOrSelfPermission( 4149 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4150 "resetRuntimePermissions"); 4151 } 4152 4153 synchronized (mPackages) { 4154 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4155 for (int userId : UserManagerService.getInstance().getUserIds()) { 4156 final int packageCount = mPackages.size(); 4157 for (int i = 0; i < packageCount; i++) { 4158 PackageParser.Package pkg = mPackages.valueAt(i); 4159 if (!(pkg.mExtras instanceof PackageSetting)) { 4160 continue; 4161 } 4162 PackageSetting ps = (PackageSetting) pkg.mExtras; 4163 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4164 } 4165 } 4166 } 4167 } 4168 4169 @Override 4170 public int getPermissionFlags(String name, String packageName, int userId) { 4171 if (!sUserManager.exists(userId)) { 4172 return 0; 4173 } 4174 4175 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4176 4177 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4178 true /* requireFullPermission */, false /* checkShell */, 4179 "getPermissionFlags"); 4180 4181 synchronized (mPackages) { 4182 final PackageParser.Package pkg = mPackages.get(packageName); 4183 if (pkg == null) { 4184 return 0; 4185 } 4186 4187 final BasePermission bp = mSettings.mPermissions.get(name); 4188 if (bp == null) { 4189 return 0; 4190 } 4191 4192 SettingBase sb = (SettingBase) pkg.mExtras; 4193 if (sb == null) { 4194 return 0; 4195 } 4196 4197 PermissionsState permissionsState = sb.getPermissionsState(); 4198 return permissionsState.getPermissionFlags(name, userId); 4199 } 4200 } 4201 4202 @Override 4203 public void updatePermissionFlags(String name, String packageName, int flagMask, 4204 int flagValues, int userId) { 4205 if (!sUserManager.exists(userId)) { 4206 return; 4207 } 4208 4209 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4210 4211 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4212 true /* requireFullPermission */, true /* checkShell */, 4213 "updatePermissionFlags"); 4214 4215 // Only the system can change these flags and nothing else. 4216 if (getCallingUid() != Process.SYSTEM_UID) { 4217 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4218 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4219 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4220 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4221 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4222 } 4223 4224 synchronized (mPackages) { 4225 final PackageParser.Package pkg = mPackages.get(packageName); 4226 if (pkg == null) { 4227 throw new IllegalArgumentException("Unknown package: " + packageName); 4228 } 4229 4230 final BasePermission bp = mSettings.mPermissions.get(name); 4231 if (bp == null) { 4232 throw new IllegalArgumentException("Unknown permission: " + name); 4233 } 4234 4235 SettingBase sb = (SettingBase) pkg.mExtras; 4236 if (sb == null) { 4237 throw new IllegalArgumentException("Unknown package: " + packageName); 4238 } 4239 4240 PermissionsState permissionsState = sb.getPermissionsState(); 4241 4242 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4243 4244 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4245 // Install and runtime permissions are stored in different places, 4246 // so figure out what permission changed and persist the change. 4247 if (permissionsState.getInstallPermissionState(name) != null) { 4248 scheduleWriteSettingsLocked(); 4249 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4250 || hadState) { 4251 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4252 } 4253 } 4254 } 4255 } 4256 4257 /** 4258 * Update the permission flags for all packages and runtime permissions of a user in order 4259 * to allow device or profile owner to remove POLICY_FIXED. 4260 */ 4261 @Override 4262 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4263 if (!sUserManager.exists(userId)) { 4264 return; 4265 } 4266 4267 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4268 4269 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4270 true /* requireFullPermission */, true /* checkShell */, 4271 "updatePermissionFlagsForAllApps"); 4272 4273 // Only the system can change system fixed flags. 4274 if (getCallingUid() != Process.SYSTEM_UID) { 4275 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4276 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4277 } 4278 4279 synchronized (mPackages) { 4280 boolean changed = false; 4281 final int packageCount = mPackages.size(); 4282 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4283 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4284 SettingBase sb = (SettingBase) pkg.mExtras; 4285 if (sb == null) { 4286 continue; 4287 } 4288 PermissionsState permissionsState = sb.getPermissionsState(); 4289 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4290 userId, flagMask, flagValues); 4291 } 4292 if (changed) { 4293 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4294 } 4295 } 4296 } 4297 4298 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4299 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4300 != PackageManager.PERMISSION_GRANTED 4301 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4302 != PackageManager.PERMISSION_GRANTED) { 4303 throw new SecurityException(message + " requires " 4304 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4305 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4306 } 4307 } 4308 4309 @Override 4310 public boolean shouldShowRequestPermissionRationale(String permissionName, 4311 String packageName, int userId) { 4312 if (UserHandle.getCallingUserId() != userId) { 4313 mContext.enforceCallingPermission( 4314 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4315 "canShowRequestPermissionRationale for user " + userId); 4316 } 4317 4318 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4319 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4320 return false; 4321 } 4322 4323 if (checkPermission(permissionName, packageName, userId) 4324 == PackageManager.PERMISSION_GRANTED) { 4325 return false; 4326 } 4327 4328 final int flags; 4329 4330 final long identity = Binder.clearCallingIdentity(); 4331 try { 4332 flags = getPermissionFlags(permissionName, 4333 packageName, userId); 4334 } finally { 4335 Binder.restoreCallingIdentity(identity); 4336 } 4337 4338 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4339 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4340 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4341 4342 if ((flags & fixedFlags) != 0) { 4343 return false; 4344 } 4345 4346 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4347 } 4348 4349 @Override 4350 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4351 mContext.enforceCallingOrSelfPermission( 4352 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4353 "addOnPermissionsChangeListener"); 4354 4355 synchronized (mPackages) { 4356 mOnPermissionChangeListeners.addListenerLocked(listener); 4357 } 4358 } 4359 4360 @Override 4361 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4362 synchronized (mPackages) { 4363 mOnPermissionChangeListeners.removeListenerLocked(listener); 4364 } 4365 } 4366 4367 @Override 4368 public boolean isProtectedBroadcast(String actionName) { 4369 synchronized (mPackages) { 4370 if (mProtectedBroadcasts.contains(actionName)) { 4371 return true; 4372 } else if (actionName != null) { 4373 // TODO: remove these terrible hacks 4374 if (actionName.startsWith("android.net.netmon.lingerExpired") 4375 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4376 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4377 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4378 return true; 4379 } 4380 } 4381 } 4382 return false; 4383 } 4384 4385 @Override 4386 public int checkSignatures(String pkg1, String pkg2) { 4387 synchronized (mPackages) { 4388 final PackageParser.Package p1 = mPackages.get(pkg1); 4389 final PackageParser.Package p2 = mPackages.get(pkg2); 4390 if (p1 == null || p1.mExtras == null 4391 || p2 == null || p2.mExtras == null) { 4392 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4393 } 4394 return compareSignatures(p1.mSignatures, p2.mSignatures); 4395 } 4396 } 4397 4398 @Override 4399 public int checkUidSignatures(int uid1, int uid2) { 4400 // Map to base uids. 4401 uid1 = UserHandle.getAppId(uid1); 4402 uid2 = UserHandle.getAppId(uid2); 4403 // reader 4404 synchronized (mPackages) { 4405 Signature[] s1; 4406 Signature[] s2; 4407 Object obj = mSettings.getUserIdLPr(uid1); 4408 if (obj != null) { 4409 if (obj instanceof SharedUserSetting) { 4410 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4411 } else if (obj instanceof PackageSetting) { 4412 s1 = ((PackageSetting)obj).signatures.mSignatures; 4413 } else { 4414 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4415 } 4416 } else { 4417 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4418 } 4419 obj = mSettings.getUserIdLPr(uid2); 4420 if (obj != null) { 4421 if (obj instanceof SharedUserSetting) { 4422 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4423 } else if (obj instanceof PackageSetting) { 4424 s2 = ((PackageSetting)obj).signatures.mSignatures; 4425 } else { 4426 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4427 } 4428 } else { 4429 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4430 } 4431 return compareSignatures(s1, s2); 4432 } 4433 } 4434 4435 /** 4436 * This method should typically only be used when granting or revoking 4437 * permissions, since the app may immediately restart after this call. 4438 * <p> 4439 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4440 * guard your work against the app being relaunched. 4441 */ 4442 private void killUid(int appId, int userId, String reason) { 4443 final long identity = Binder.clearCallingIdentity(); 4444 try { 4445 IActivityManager am = ActivityManagerNative.getDefault(); 4446 if (am != null) { 4447 try { 4448 am.killUid(appId, userId, reason); 4449 } catch (RemoteException e) { 4450 /* ignore - same process */ 4451 } 4452 } 4453 } finally { 4454 Binder.restoreCallingIdentity(identity); 4455 } 4456 } 4457 4458 /** 4459 * Compares two sets of signatures. Returns: 4460 * <br /> 4461 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4462 * <br /> 4463 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4464 * <br /> 4465 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4466 * <br /> 4467 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4468 * <br /> 4469 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4470 */ 4471 static int compareSignatures(Signature[] s1, Signature[] s2) { 4472 if (s1 == null) { 4473 return s2 == null 4474 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4475 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4476 } 4477 4478 if (s2 == null) { 4479 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4480 } 4481 4482 if (s1.length != s2.length) { 4483 return PackageManager.SIGNATURE_NO_MATCH; 4484 } 4485 4486 // Since both signature sets are of size 1, we can compare without HashSets. 4487 if (s1.length == 1) { 4488 return s1[0].equals(s2[0]) ? 4489 PackageManager.SIGNATURE_MATCH : 4490 PackageManager.SIGNATURE_NO_MATCH; 4491 } 4492 4493 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4494 for (Signature sig : s1) { 4495 set1.add(sig); 4496 } 4497 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4498 for (Signature sig : s2) { 4499 set2.add(sig); 4500 } 4501 // Make sure s2 contains all signatures in s1. 4502 if (set1.equals(set2)) { 4503 return PackageManager.SIGNATURE_MATCH; 4504 } 4505 return PackageManager.SIGNATURE_NO_MATCH; 4506 } 4507 4508 /** 4509 * If the database version for this type of package (internal storage or 4510 * external storage) is less than the version where package signatures 4511 * were updated, return true. 4512 */ 4513 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4514 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4515 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4516 } 4517 4518 /** 4519 * Used for backward compatibility to make sure any packages with 4520 * certificate chains get upgraded to the new style. {@code existingSigs} 4521 * will be in the old format (since they were stored on disk from before the 4522 * system upgrade) and {@code scannedSigs} will be in the newer format. 4523 */ 4524 private int compareSignaturesCompat(PackageSignatures existingSigs, 4525 PackageParser.Package scannedPkg) { 4526 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4527 return PackageManager.SIGNATURE_NO_MATCH; 4528 } 4529 4530 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4531 for (Signature sig : existingSigs.mSignatures) { 4532 existingSet.add(sig); 4533 } 4534 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4535 for (Signature sig : scannedPkg.mSignatures) { 4536 try { 4537 Signature[] chainSignatures = sig.getChainSignatures(); 4538 for (Signature chainSig : chainSignatures) { 4539 scannedCompatSet.add(chainSig); 4540 } 4541 } catch (CertificateEncodingException e) { 4542 scannedCompatSet.add(sig); 4543 } 4544 } 4545 /* 4546 * Make sure the expanded scanned set contains all signatures in the 4547 * existing one. 4548 */ 4549 if (scannedCompatSet.equals(existingSet)) { 4550 // Migrate the old signatures to the new scheme. 4551 existingSigs.assignSignatures(scannedPkg.mSignatures); 4552 // The new KeySets will be re-added later in the scanning process. 4553 synchronized (mPackages) { 4554 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4555 } 4556 return PackageManager.SIGNATURE_MATCH; 4557 } 4558 return PackageManager.SIGNATURE_NO_MATCH; 4559 } 4560 4561 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4562 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4563 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4564 } 4565 4566 private int compareSignaturesRecover(PackageSignatures existingSigs, 4567 PackageParser.Package scannedPkg) { 4568 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4569 return PackageManager.SIGNATURE_NO_MATCH; 4570 } 4571 4572 String msg = null; 4573 try { 4574 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4575 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4576 + scannedPkg.packageName); 4577 return PackageManager.SIGNATURE_MATCH; 4578 } 4579 } catch (CertificateException e) { 4580 msg = e.getMessage(); 4581 } 4582 4583 logCriticalInfo(Log.INFO, 4584 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4585 return PackageManager.SIGNATURE_NO_MATCH; 4586 } 4587 4588 @Override 4589 public List<String> getAllPackages() { 4590 synchronized (mPackages) { 4591 return new ArrayList<String>(mPackages.keySet()); 4592 } 4593 } 4594 4595 @Override 4596 public String[] getPackagesForUid(int uid) { 4597 uid = UserHandle.getAppId(uid); 4598 // reader 4599 synchronized (mPackages) { 4600 Object obj = mSettings.getUserIdLPr(uid); 4601 if (obj instanceof SharedUserSetting) { 4602 final SharedUserSetting sus = (SharedUserSetting) obj; 4603 final int N = sus.packages.size(); 4604 final String[] res = new String[N]; 4605 for (int i = 0; i < N; i++) { 4606 res[i] = sus.packages.valueAt(i).name; 4607 } 4608 return res; 4609 } else if (obj instanceof PackageSetting) { 4610 final PackageSetting ps = (PackageSetting) obj; 4611 return new String[] { ps.name }; 4612 } 4613 } 4614 return null; 4615 } 4616 4617 @Override 4618 public String getNameForUid(int uid) { 4619 // reader 4620 synchronized (mPackages) { 4621 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4622 if (obj instanceof SharedUserSetting) { 4623 final SharedUserSetting sus = (SharedUserSetting) obj; 4624 return sus.name + ":" + sus.userId; 4625 } else if (obj instanceof PackageSetting) { 4626 final PackageSetting ps = (PackageSetting) obj; 4627 return ps.name; 4628 } 4629 } 4630 return null; 4631 } 4632 4633 @Override 4634 public int getUidForSharedUser(String sharedUserName) { 4635 if(sharedUserName == null) { 4636 return -1; 4637 } 4638 // reader 4639 synchronized (mPackages) { 4640 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4641 if (suid == null) { 4642 return -1; 4643 } 4644 return suid.userId; 4645 } 4646 } 4647 4648 @Override 4649 public int getFlagsForUid(int uid) { 4650 synchronized (mPackages) { 4651 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4652 if (obj instanceof SharedUserSetting) { 4653 final SharedUserSetting sus = (SharedUserSetting) obj; 4654 return sus.pkgFlags; 4655 } else if (obj instanceof PackageSetting) { 4656 final PackageSetting ps = (PackageSetting) obj; 4657 return ps.pkgFlags; 4658 } 4659 } 4660 return 0; 4661 } 4662 4663 @Override 4664 public int getPrivateFlagsForUid(int uid) { 4665 synchronized (mPackages) { 4666 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4667 if (obj instanceof SharedUserSetting) { 4668 final SharedUserSetting sus = (SharedUserSetting) obj; 4669 return sus.pkgPrivateFlags; 4670 } else if (obj instanceof PackageSetting) { 4671 final PackageSetting ps = (PackageSetting) obj; 4672 return ps.pkgPrivateFlags; 4673 } 4674 } 4675 return 0; 4676 } 4677 4678 @Override 4679 public boolean isUidPrivileged(int uid) { 4680 uid = UserHandle.getAppId(uid); 4681 // reader 4682 synchronized (mPackages) { 4683 Object obj = mSettings.getUserIdLPr(uid); 4684 if (obj instanceof SharedUserSetting) { 4685 final SharedUserSetting sus = (SharedUserSetting) obj; 4686 final Iterator<PackageSetting> it = sus.packages.iterator(); 4687 while (it.hasNext()) { 4688 if (it.next().isPrivileged()) { 4689 return true; 4690 } 4691 } 4692 } else if (obj instanceof PackageSetting) { 4693 final PackageSetting ps = (PackageSetting) obj; 4694 return ps.isPrivileged(); 4695 } 4696 } 4697 return false; 4698 } 4699 4700 @Override 4701 public String[] getAppOpPermissionPackages(String permissionName) { 4702 synchronized (mPackages) { 4703 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4704 if (pkgs == null) { 4705 return null; 4706 } 4707 return pkgs.toArray(new String[pkgs.size()]); 4708 } 4709 } 4710 4711 @Override 4712 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4713 int flags, int userId) { 4714 try { 4715 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4716 4717 if (!sUserManager.exists(userId)) return null; 4718 flags = updateFlagsForResolve(flags, userId, intent); 4719 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4720 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4721 4722 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4723 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4724 flags, userId); 4725 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4726 4727 final ResolveInfo bestChoice = 4728 chooseBestActivity(intent, resolvedType, flags, query, userId); 4729 4730 if (isEphemeralAllowed(intent, query, userId)) { 4731 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4732 final EphemeralResolveInfo ai = 4733 getEphemeralResolveInfo(intent, resolvedType, userId); 4734 if (ai != null) { 4735 if (DEBUG_EPHEMERAL) { 4736 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4737 } 4738 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4739 bestChoice.ephemeralResolveInfo = ai; 4740 } 4741 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4742 } 4743 return bestChoice; 4744 } finally { 4745 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4746 } 4747 } 4748 4749 @Override 4750 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4751 IntentFilter filter, int match, ComponentName activity) { 4752 final int userId = UserHandle.getCallingUserId(); 4753 if (DEBUG_PREFERRED) { 4754 Log.v(TAG, "setLastChosenActivity intent=" + intent 4755 + " resolvedType=" + resolvedType 4756 + " flags=" + flags 4757 + " filter=" + filter 4758 + " match=" + match 4759 + " activity=" + activity); 4760 filter.dump(new PrintStreamPrinter(System.out), " "); 4761 } 4762 intent.setComponent(null); 4763 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4764 userId); 4765 // Find any earlier preferred or last chosen entries and nuke them 4766 findPreferredActivity(intent, resolvedType, 4767 flags, query, 0, false, true, false, userId); 4768 // Add the new activity as the last chosen for this filter 4769 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4770 "Setting last chosen"); 4771 } 4772 4773 @Override 4774 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4775 final int userId = UserHandle.getCallingUserId(); 4776 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4777 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4778 userId); 4779 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4780 false, false, false, userId); 4781 } 4782 4783 4784 private boolean isEphemeralAllowed( 4785 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4786 // Short circuit and return early if possible. 4787 if (DISABLE_EPHEMERAL_APPS) { 4788 return false; 4789 } 4790 final int callingUser = UserHandle.getCallingUserId(); 4791 if (callingUser != UserHandle.USER_SYSTEM) { 4792 return false; 4793 } 4794 if (mEphemeralResolverConnection == null) { 4795 return false; 4796 } 4797 if (intent.getComponent() != null) { 4798 return false; 4799 } 4800 if (intent.getPackage() != null) { 4801 return false; 4802 } 4803 final boolean isWebUri = hasWebURI(intent); 4804 if (!isWebUri) { 4805 return false; 4806 } 4807 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4808 synchronized (mPackages) { 4809 final int count = resolvedActivites.size(); 4810 for (int n = 0; n < count; n++) { 4811 ResolveInfo info = resolvedActivites.get(n); 4812 String packageName = info.activityInfo.packageName; 4813 PackageSetting ps = mSettings.mPackages.get(packageName); 4814 if (ps != null) { 4815 // Try to get the status from User settings first 4816 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4817 int status = (int) (packedStatus >> 32); 4818 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4819 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4820 if (DEBUG_EPHEMERAL) { 4821 Slog.v(TAG, "DENY ephemeral apps;" 4822 + " pkg: " + packageName + ", status: " + status); 4823 } 4824 return false; 4825 } 4826 } 4827 } 4828 } 4829 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4830 return true; 4831 } 4832 4833 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4834 int userId) { 4835 final int ephemeralPrefixMask = Global.getInt(mContext.getContentResolver(), 4836 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4837 final int ephemeralPrefixCount = Global.getInt(mContext.getContentResolver(), 4838 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4839 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4840 ephemeralPrefixCount); 4841 final int[] shaPrefix = digest.getDigestPrefix(); 4842 final byte[][] digestBytes = digest.getDigestBytes(); 4843 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4844 mEphemeralResolverConnection.getEphemeralResolveInfoList( 4845 shaPrefix, ephemeralPrefixMask); 4846 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4847 // No hash prefix match; there are no ephemeral apps for this domain. 4848 return null; 4849 } 4850 4851 // Go in reverse order so we match the narrowest scope first. 4852 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4853 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4854 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4855 continue; 4856 } 4857 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4858 // No filters; this should never happen. 4859 if (filters.isEmpty()) { 4860 continue; 4861 } 4862 // We have a domain match; resolve the filters to see if anything matches. 4863 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4864 for (int j = filters.size() - 1; j >= 0; --j) { 4865 final EphemeralResolveIntentInfo intentInfo = 4866 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4867 ephemeralResolver.addFilter(intentInfo); 4868 } 4869 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4870 intent, resolvedType, false /*defaultOnly*/, userId); 4871 if (!matchedResolveInfoList.isEmpty()) { 4872 return matchedResolveInfoList.get(0); 4873 } 4874 } 4875 } 4876 // Hash or filter mis-match; no ephemeral apps for this domain. 4877 return null; 4878 } 4879 4880 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4881 int flags, List<ResolveInfo> query, int userId) { 4882 if (query != null) { 4883 final int N = query.size(); 4884 if (N == 1) { 4885 return query.get(0); 4886 } else if (N > 1) { 4887 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4888 // If there is more than one activity with the same priority, 4889 // then let the user decide between them. 4890 ResolveInfo r0 = query.get(0); 4891 ResolveInfo r1 = query.get(1); 4892 if (DEBUG_INTENT_MATCHING || debug) { 4893 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4894 + r1.activityInfo.name + "=" + r1.priority); 4895 } 4896 // If the first activity has a higher priority, or a different 4897 // default, then it is always desirable to pick it. 4898 if (r0.priority != r1.priority 4899 || r0.preferredOrder != r1.preferredOrder 4900 || r0.isDefault != r1.isDefault) { 4901 return query.get(0); 4902 } 4903 // If we have saved a preference for a preferred activity for 4904 // this Intent, use that. 4905 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4906 flags, query, r0.priority, true, false, debug, userId); 4907 if (ri != null) { 4908 return ri; 4909 } 4910 ri = new ResolveInfo(mResolveInfo); 4911 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4912 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4913 // If all of the options come from the same package, show the application's 4914 // label and icon instead of the generic resolver's. 4915 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4916 // and then throw away the ResolveInfo itself, meaning that the caller loses 4917 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4918 // a fallback for this case; we only set the target package's resources on 4919 // the ResolveInfo, not the ActivityInfo. 4920 final String intentPackage = intent.getPackage(); 4921 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4922 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4923 ri.resolvePackageName = intentPackage; 4924 if (userNeedsBadging(userId)) { 4925 ri.noResourceId = true; 4926 } else { 4927 ri.icon = appi.icon; 4928 } 4929 ri.iconResourceId = appi.icon; 4930 ri.labelRes = appi.labelRes; 4931 } 4932 ri.activityInfo.applicationInfo = new ApplicationInfo( 4933 ri.activityInfo.applicationInfo); 4934 if (userId != 0) { 4935 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4936 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4937 } 4938 // Make sure that the resolver is displayable in car mode 4939 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4940 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4941 return ri; 4942 } 4943 } 4944 return null; 4945 } 4946 4947 /** 4948 * Return true if the given list is not empty and all of its contents have 4949 * an activityInfo with the given package name. 4950 */ 4951 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4952 if (ArrayUtils.isEmpty(list)) { 4953 return false; 4954 } 4955 for (int i = 0, N = list.size(); i < N; i++) { 4956 final ResolveInfo ri = list.get(i); 4957 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4958 if (ai == null || !packageName.equals(ai.packageName)) { 4959 return false; 4960 } 4961 } 4962 return true; 4963 } 4964 4965 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4966 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4967 final int N = query.size(); 4968 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4969 .get(userId); 4970 // Get the list of persistent preferred activities that handle the intent 4971 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4972 List<PersistentPreferredActivity> pprefs = ppir != null 4973 ? ppir.queryIntent(intent, resolvedType, 4974 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4975 : null; 4976 if (pprefs != null && pprefs.size() > 0) { 4977 final int M = pprefs.size(); 4978 for (int i=0; i<M; i++) { 4979 final PersistentPreferredActivity ppa = pprefs.get(i); 4980 if (DEBUG_PREFERRED || debug) { 4981 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4982 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4983 + "\n component=" + ppa.mComponent); 4984 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4985 } 4986 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4987 flags | MATCH_DISABLED_COMPONENTS, userId); 4988 if (DEBUG_PREFERRED || debug) { 4989 Slog.v(TAG, "Found persistent preferred activity:"); 4990 if (ai != null) { 4991 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4992 } else { 4993 Slog.v(TAG, " null"); 4994 } 4995 } 4996 if (ai == null) { 4997 // This previously registered persistent preferred activity 4998 // component is no longer known. Ignore it and do NOT remove it. 4999 continue; 5000 } 5001 for (int j=0; j<N; j++) { 5002 final ResolveInfo ri = query.get(j); 5003 if (!ri.activityInfo.applicationInfo.packageName 5004 .equals(ai.applicationInfo.packageName)) { 5005 continue; 5006 } 5007 if (!ri.activityInfo.name.equals(ai.name)) { 5008 continue; 5009 } 5010 // Found a persistent preference that can handle the intent. 5011 if (DEBUG_PREFERRED || debug) { 5012 Slog.v(TAG, "Returning persistent preferred activity: " + 5013 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5014 } 5015 return ri; 5016 } 5017 } 5018 } 5019 return null; 5020 } 5021 5022 // TODO: handle preferred activities missing while user has amnesia 5023 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5024 List<ResolveInfo> query, int priority, boolean always, 5025 boolean removeMatches, boolean debug, int userId) { 5026 if (!sUserManager.exists(userId)) return null; 5027 flags = updateFlagsForResolve(flags, userId, intent); 5028 // writer 5029 synchronized (mPackages) { 5030 if (intent.getSelector() != null) { 5031 intent = intent.getSelector(); 5032 } 5033 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5034 5035 // Try to find a matching persistent preferred activity. 5036 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5037 debug, userId); 5038 5039 // If a persistent preferred activity matched, use it. 5040 if (pri != null) { 5041 return pri; 5042 } 5043 5044 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5045 // Get the list of preferred activities that handle the intent 5046 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5047 List<PreferredActivity> prefs = pir != null 5048 ? pir.queryIntent(intent, resolvedType, 5049 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5050 : null; 5051 if (prefs != null && prefs.size() > 0) { 5052 boolean changed = false; 5053 try { 5054 // First figure out how good the original match set is. 5055 // We will only allow preferred activities that came 5056 // from the same match quality. 5057 int match = 0; 5058 5059 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5060 5061 final int N = query.size(); 5062 for (int j=0; j<N; j++) { 5063 final ResolveInfo ri = query.get(j); 5064 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5065 + ": 0x" + Integer.toHexString(match)); 5066 if (ri.match > match) { 5067 match = ri.match; 5068 } 5069 } 5070 5071 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5072 + Integer.toHexString(match)); 5073 5074 match &= IntentFilter.MATCH_CATEGORY_MASK; 5075 final int M = prefs.size(); 5076 for (int i=0; i<M; i++) { 5077 final PreferredActivity pa = prefs.get(i); 5078 if (DEBUG_PREFERRED || debug) { 5079 Slog.v(TAG, "Checking PreferredActivity ds=" 5080 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5081 + "\n component=" + pa.mPref.mComponent); 5082 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5083 } 5084 if (pa.mPref.mMatch != match) { 5085 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5086 + Integer.toHexString(pa.mPref.mMatch)); 5087 continue; 5088 } 5089 // If it's not an "always" type preferred activity and that's what we're 5090 // looking for, skip it. 5091 if (always && !pa.mPref.mAlways) { 5092 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5093 continue; 5094 } 5095 final ActivityInfo ai = getActivityInfo( 5096 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5097 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5098 userId); 5099 if (DEBUG_PREFERRED || debug) { 5100 Slog.v(TAG, "Found preferred activity:"); 5101 if (ai != null) { 5102 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5103 } else { 5104 Slog.v(TAG, " null"); 5105 } 5106 } 5107 if (ai == null) { 5108 // This previously registered preferred activity 5109 // component is no longer known. Most likely an update 5110 // to the app was installed and in the new version this 5111 // component no longer exists. Clean it up by removing 5112 // it from the preferred activities list, and skip it. 5113 Slog.w(TAG, "Removing dangling preferred activity: " 5114 + pa.mPref.mComponent); 5115 pir.removeFilter(pa); 5116 changed = true; 5117 continue; 5118 } 5119 for (int j=0; j<N; j++) { 5120 final ResolveInfo ri = query.get(j); 5121 if (!ri.activityInfo.applicationInfo.packageName 5122 .equals(ai.applicationInfo.packageName)) { 5123 continue; 5124 } 5125 if (!ri.activityInfo.name.equals(ai.name)) { 5126 continue; 5127 } 5128 5129 if (removeMatches) { 5130 pir.removeFilter(pa); 5131 changed = true; 5132 if (DEBUG_PREFERRED) { 5133 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5134 } 5135 break; 5136 } 5137 5138 // Okay we found a previously set preferred or last chosen app. 5139 // If the result set is different from when this 5140 // was created, we need to clear it and re-ask the 5141 // user their preference, if we're looking for an "always" type entry. 5142 if (always && !pa.mPref.sameSet(query)) { 5143 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5144 + intent + " type " + resolvedType); 5145 if (DEBUG_PREFERRED) { 5146 Slog.v(TAG, "Removing preferred activity since set changed " 5147 + pa.mPref.mComponent); 5148 } 5149 pir.removeFilter(pa); 5150 // Re-add the filter as a "last chosen" entry (!always) 5151 PreferredActivity lastChosen = new PreferredActivity( 5152 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5153 pir.addFilter(lastChosen); 5154 changed = true; 5155 return null; 5156 } 5157 5158 // Yay! Either the set matched or we're looking for the last chosen 5159 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5160 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5161 return ri; 5162 } 5163 } 5164 } finally { 5165 if (changed) { 5166 if (DEBUG_PREFERRED) { 5167 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5168 } 5169 scheduleWritePackageRestrictionsLocked(userId); 5170 } 5171 } 5172 } 5173 } 5174 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5175 return null; 5176 } 5177 5178 /* 5179 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5180 */ 5181 @Override 5182 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5183 int targetUserId) { 5184 mContext.enforceCallingOrSelfPermission( 5185 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5186 List<CrossProfileIntentFilter> matches = 5187 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5188 if (matches != null) { 5189 int size = matches.size(); 5190 for (int i = 0; i < size; i++) { 5191 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5192 } 5193 } 5194 if (hasWebURI(intent)) { 5195 // cross-profile app linking works only towards the parent. 5196 final UserInfo parent = getProfileParent(sourceUserId); 5197 synchronized(mPackages) { 5198 int flags = updateFlagsForResolve(0, parent.id, intent); 5199 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5200 intent, resolvedType, flags, sourceUserId, parent.id); 5201 return xpDomainInfo != null; 5202 } 5203 } 5204 return false; 5205 } 5206 5207 private UserInfo getProfileParent(int userId) { 5208 final long identity = Binder.clearCallingIdentity(); 5209 try { 5210 return sUserManager.getProfileParent(userId); 5211 } finally { 5212 Binder.restoreCallingIdentity(identity); 5213 } 5214 } 5215 5216 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5217 String resolvedType, int userId) { 5218 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5219 if (resolver != null) { 5220 return resolver.queryIntent(intent, resolvedType, false, userId); 5221 } 5222 return null; 5223 } 5224 5225 @Override 5226 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5227 String resolvedType, int flags, int userId) { 5228 try { 5229 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5230 5231 return new ParceledListSlice<>( 5232 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5233 } finally { 5234 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5235 } 5236 } 5237 5238 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5239 String resolvedType, int flags, int userId) { 5240 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5241 flags = updateFlagsForResolve(flags, userId, intent); 5242 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5243 false /* requireFullPermission */, false /* checkShell */, 5244 "query intent activities"); 5245 ComponentName comp = intent.getComponent(); 5246 if (comp == null) { 5247 if (intent.getSelector() != null) { 5248 intent = intent.getSelector(); 5249 comp = intent.getComponent(); 5250 } 5251 } 5252 5253 if (comp != null) { 5254 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5255 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5256 if (ai != null) { 5257 final ResolveInfo ri = new ResolveInfo(); 5258 ri.activityInfo = ai; 5259 list.add(ri); 5260 } 5261 return list; 5262 } 5263 5264 // reader 5265 synchronized (mPackages) { 5266 final String pkgName = intent.getPackage(); 5267 if (pkgName == null) { 5268 List<CrossProfileIntentFilter> matchingFilters = 5269 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5270 // Check for results that need to skip the current profile. 5271 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5272 resolvedType, flags, userId); 5273 if (xpResolveInfo != null) { 5274 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5275 result.add(xpResolveInfo); 5276 return filterIfNotSystemUser(result, userId); 5277 } 5278 5279 // Check for results in the current profile. 5280 List<ResolveInfo> result = mActivities.queryIntent( 5281 intent, resolvedType, flags, userId); 5282 result = filterIfNotSystemUser(result, userId); 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 Collections.sort(result, mResolvePrioritySorter); 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) { 5311 result.add(xpDomainInfo.resolveInfo); 5312 return result; 5313 } 5314 } else if (result.size() <= 1) { 5315 return result; 5316 } 5317 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5318 xpDomainInfo, userId); 5319 Collections.sort(result, mResolvePrioritySorter); 5320 } 5321 return result; 5322 } 5323 final PackageParser.Package pkg = mPackages.get(pkgName); 5324 if (pkg != null) { 5325 return filterIfNotSystemUser( 5326 mActivities.queryIntentForPackage( 5327 intent, resolvedType, flags, pkg.activities, userId), 5328 userId); 5329 } 5330 return new ArrayList<ResolveInfo>(); 5331 } 5332 } 5333 5334 private static class CrossProfileDomainInfo { 5335 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5336 ResolveInfo resolveInfo; 5337 /* Best domain verification status of the activities found in the other profile */ 5338 int bestDomainVerificationStatus; 5339 } 5340 5341 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5342 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5343 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5344 sourceUserId)) { 5345 return null; 5346 } 5347 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5348 resolvedType, flags, parentUserId); 5349 5350 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5351 return null; 5352 } 5353 CrossProfileDomainInfo result = null; 5354 int size = resultTargetUser.size(); 5355 for (int i = 0; i < size; i++) { 5356 ResolveInfo riTargetUser = resultTargetUser.get(i); 5357 // Intent filter verification is only for filters that specify a host. So don't return 5358 // those that handle all web uris. 5359 if (riTargetUser.handleAllWebDataURI) { 5360 continue; 5361 } 5362 String packageName = riTargetUser.activityInfo.packageName; 5363 PackageSetting ps = mSettings.mPackages.get(packageName); 5364 if (ps == null) { 5365 continue; 5366 } 5367 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5368 int status = (int)(verificationState >> 32); 5369 if (result == null) { 5370 result = new CrossProfileDomainInfo(); 5371 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5372 sourceUserId, parentUserId); 5373 result.bestDomainVerificationStatus = status; 5374 } else { 5375 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5376 result.bestDomainVerificationStatus); 5377 } 5378 } 5379 // Don't consider matches with status NEVER across profiles. 5380 if (result != null && result.bestDomainVerificationStatus 5381 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5382 return null; 5383 } 5384 return result; 5385 } 5386 5387 /** 5388 * Verification statuses are ordered from the worse to the best, except for 5389 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5390 */ 5391 private int bestDomainVerificationStatus(int status1, int status2) { 5392 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5393 return status2; 5394 } 5395 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5396 return status1; 5397 } 5398 return (int) MathUtils.max(status1, status2); 5399 } 5400 5401 private boolean isUserEnabled(int userId) { 5402 long callingId = Binder.clearCallingIdentity(); 5403 try { 5404 UserInfo userInfo = sUserManager.getUserInfo(userId); 5405 return userInfo != null && userInfo.isEnabled(); 5406 } finally { 5407 Binder.restoreCallingIdentity(callingId); 5408 } 5409 } 5410 5411 /** 5412 * Filter out activities with systemUserOnly flag set, when current user is not System. 5413 * 5414 * @return filtered list 5415 */ 5416 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5417 if (userId == UserHandle.USER_SYSTEM) { 5418 return resolveInfos; 5419 } 5420 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5421 ResolveInfo info = resolveInfos.get(i); 5422 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5423 resolveInfos.remove(i); 5424 } 5425 } 5426 return resolveInfos; 5427 } 5428 5429 /** 5430 * @param resolveInfos list of resolve infos in descending priority order 5431 * @return if the list contains a resolve info with non-negative priority 5432 */ 5433 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5434 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5435 } 5436 5437 private static boolean hasWebURI(Intent intent) { 5438 if (intent.getData() == null) { 5439 return false; 5440 } 5441 final String scheme = intent.getScheme(); 5442 if (TextUtils.isEmpty(scheme)) { 5443 return false; 5444 } 5445 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5446 } 5447 5448 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5449 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5450 int userId) { 5451 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5452 5453 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5454 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5455 candidates.size()); 5456 } 5457 5458 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5459 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5460 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5461 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5462 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5463 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5464 5465 synchronized (mPackages) { 5466 final int count = candidates.size(); 5467 // First, try to use linked apps. Partition the candidates into four lists: 5468 // one for the final results, one for the "do not use ever", one for "undefined status" 5469 // and finally one for "browser app type". 5470 for (int n=0; n<count; n++) { 5471 ResolveInfo info = candidates.get(n); 5472 String packageName = info.activityInfo.packageName; 5473 PackageSetting ps = mSettings.mPackages.get(packageName); 5474 if (ps != null) { 5475 // Add to the special match all list (Browser use case) 5476 if (info.handleAllWebDataURI) { 5477 matchAllList.add(info); 5478 continue; 5479 } 5480 // Try to get the status from User settings first 5481 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5482 int status = (int)(packedStatus >> 32); 5483 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5484 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5485 if (DEBUG_DOMAIN_VERIFICATION) { 5486 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5487 + " : linkgen=" + linkGeneration); 5488 } 5489 // Use link-enabled generation as preferredOrder, i.e. 5490 // prefer newly-enabled over earlier-enabled. 5491 info.preferredOrder = linkGeneration; 5492 alwaysList.add(info); 5493 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5494 if (DEBUG_DOMAIN_VERIFICATION) { 5495 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5496 } 5497 neverList.add(info); 5498 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5499 if (DEBUG_DOMAIN_VERIFICATION) { 5500 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5501 } 5502 alwaysAskList.add(info); 5503 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5504 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5505 if (DEBUG_DOMAIN_VERIFICATION) { 5506 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5507 } 5508 undefinedList.add(info); 5509 } 5510 } 5511 } 5512 5513 // We'll want to include browser possibilities in a few cases 5514 boolean includeBrowser = false; 5515 5516 // First try to add the "always" resolution(s) for the current user, if any 5517 if (alwaysList.size() > 0) { 5518 result.addAll(alwaysList); 5519 } else { 5520 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5521 result.addAll(undefinedList); 5522 // Maybe add one for the other profile. 5523 if (xpDomainInfo != null && ( 5524 xpDomainInfo.bestDomainVerificationStatus 5525 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5526 result.add(xpDomainInfo.resolveInfo); 5527 } 5528 includeBrowser = true; 5529 } 5530 5531 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5532 // If there were 'always' entries their preferred order has been set, so we also 5533 // back that off to make the alternatives equivalent 5534 if (alwaysAskList.size() > 0) { 5535 for (ResolveInfo i : result) { 5536 i.preferredOrder = 0; 5537 } 5538 result.addAll(alwaysAskList); 5539 includeBrowser = true; 5540 } 5541 5542 if (includeBrowser) { 5543 // Also add browsers (all of them or only the default one) 5544 if (DEBUG_DOMAIN_VERIFICATION) { 5545 Slog.v(TAG, " ...including browsers in candidate set"); 5546 } 5547 if ((matchFlags & MATCH_ALL) != 0) { 5548 result.addAll(matchAllList); 5549 } else { 5550 // Browser/generic handling case. If there's a default browser, go straight 5551 // to that (but only if there is no other higher-priority match). 5552 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5553 int maxMatchPrio = 0; 5554 ResolveInfo defaultBrowserMatch = null; 5555 final int numCandidates = matchAllList.size(); 5556 for (int n = 0; n < numCandidates; n++) { 5557 ResolveInfo info = matchAllList.get(n); 5558 // track the highest overall match priority... 5559 if (info.priority > maxMatchPrio) { 5560 maxMatchPrio = info.priority; 5561 } 5562 // ...and the highest-priority default browser match 5563 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5564 if (defaultBrowserMatch == null 5565 || (defaultBrowserMatch.priority < info.priority)) { 5566 if (debug) { 5567 Slog.v(TAG, "Considering default browser match " + info); 5568 } 5569 defaultBrowserMatch = info; 5570 } 5571 } 5572 } 5573 if (defaultBrowserMatch != null 5574 && defaultBrowserMatch.priority >= maxMatchPrio 5575 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5576 { 5577 if (debug) { 5578 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5579 } 5580 result.add(defaultBrowserMatch); 5581 } else { 5582 result.addAll(matchAllList); 5583 } 5584 } 5585 5586 // If there is nothing selected, add all candidates and remove the ones that the user 5587 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5588 if (result.size() == 0) { 5589 result.addAll(candidates); 5590 result.removeAll(neverList); 5591 } 5592 } 5593 } 5594 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5595 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5596 result.size()); 5597 for (ResolveInfo info : result) { 5598 Slog.v(TAG, " + " + info.activityInfo); 5599 } 5600 } 5601 return result; 5602 } 5603 5604 // Returns a packed value as a long: 5605 // 5606 // high 'int'-sized word: link status: undefined/ask/never/always. 5607 // low 'int'-sized word: relative priority among 'always' results. 5608 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5609 long result = ps.getDomainVerificationStatusForUser(userId); 5610 // if none available, get the master status 5611 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5612 if (ps.getIntentFilterVerificationInfo() != null) { 5613 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5614 } 5615 } 5616 return result; 5617 } 5618 5619 private ResolveInfo querySkipCurrentProfileIntents( 5620 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5621 int flags, int sourceUserId) { 5622 if (matchingFilters != null) { 5623 int size = matchingFilters.size(); 5624 for (int i = 0; i < size; i ++) { 5625 CrossProfileIntentFilter filter = matchingFilters.get(i); 5626 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5627 // Checking if there are activities in the target user that can handle the 5628 // intent. 5629 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5630 resolvedType, flags, sourceUserId); 5631 if (resolveInfo != null) { 5632 return resolveInfo; 5633 } 5634 } 5635 } 5636 } 5637 return null; 5638 } 5639 5640 // Return matching ResolveInfo in target user if any. 5641 private ResolveInfo queryCrossProfileIntents( 5642 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5643 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5644 if (matchingFilters != null) { 5645 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5646 // match the same intent. For performance reasons, it is better not to 5647 // run queryIntent twice for the same userId 5648 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5649 int size = matchingFilters.size(); 5650 for (int i = 0; i < size; i++) { 5651 CrossProfileIntentFilter filter = matchingFilters.get(i); 5652 int targetUserId = filter.getTargetUserId(); 5653 boolean skipCurrentProfile = 5654 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5655 boolean skipCurrentProfileIfNoMatchFound = 5656 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5657 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5658 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5659 // Checking if there are activities in the target user that can handle the 5660 // intent. 5661 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5662 resolvedType, flags, sourceUserId); 5663 if (resolveInfo != null) return resolveInfo; 5664 alreadyTriedUserIds.put(targetUserId, true); 5665 } 5666 } 5667 } 5668 return null; 5669 } 5670 5671 /** 5672 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5673 * will forward the intent to the filter's target user. 5674 * Otherwise, returns null. 5675 */ 5676 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5677 String resolvedType, int flags, int sourceUserId) { 5678 int targetUserId = filter.getTargetUserId(); 5679 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5680 resolvedType, flags, targetUserId); 5681 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5682 // If all the matches in the target profile are suspended, return null. 5683 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5684 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5685 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5686 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5687 targetUserId); 5688 } 5689 } 5690 } 5691 return null; 5692 } 5693 5694 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5695 int sourceUserId, int targetUserId) { 5696 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5697 long ident = Binder.clearCallingIdentity(); 5698 boolean targetIsProfile; 5699 try { 5700 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5701 } finally { 5702 Binder.restoreCallingIdentity(ident); 5703 } 5704 String className; 5705 if (targetIsProfile) { 5706 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5707 } else { 5708 className = FORWARD_INTENT_TO_PARENT; 5709 } 5710 ComponentName forwardingActivityComponentName = new ComponentName( 5711 mAndroidApplication.packageName, className); 5712 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5713 sourceUserId); 5714 if (!targetIsProfile) { 5715 forwardingActivityInfo.showUserIcon = targetUserId; 5716 forwardingResolveInfo.noResourceId = true; 5717 } 5718 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5719 forwardingResolveInfo.priority = 0; 5720 forwardingResolveInfo.preferredOrder = 0; 5721 forwardingResolveInfo.match = 0; 5722 forwardingResolveInfo.isDefault = true; 5723 forwardingResolveInfo.filter = filter; 5724 forwardingResolveInfo.targetUserId = targetUserId; 5725 return forwardingResolveInfo; 5726 } 5727 5728 @Override 5729 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5730 Intent[] specifics, String[] specificTypes, Intent intent, 5731 String resolvedType, int flags, int userId) { 5732 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5733 specificTypes, intent, resolvedType, flags, userId)); 5734 } 5735 5736 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5737 Intent[] specifics, String[] specificTypes, Intent intent, 5738 String resolvedType, int flags, int userId) { 5739 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5740 flags = updateFlagsForResolve(flags, userId, intent); 5741 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5742 false /* requireFullPermission */, false /* checkShell */, 5743 "query intent activity options"); 5744 final String resultsAction = intent.getAction(); 5745 5746 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5747 | PackageManager.GET_RESOLVED_FILTER, userId); 5748 5749 if (DEBUG_INTENT_MATCHING) { 5750 Log.v(TAG, "Query " + intent + ": " + results); 5751 } 5752 5753 int specificsPos = 0; 5754 int N; 5755 5756 // todo: note that the algorithm used here is O(N^2). This 5757 // isn't a problem in our current environment, but if we start running 5758 // into situations where we have more than 5 or 10 matches then this 5759 // should probably be changed to something smarter... 5760 5761 // First we go through and resolve each of the specific items 5762 // that were supplied, taking care of removing any corresponding 5763 // duplicate items in the generic resolve list. 5764 if (specifics != null) { 5765 for (int i=0; i<specifics.length; i++) { 5766 final Intent sintent = specifics[i]; 5767 if (sintent == null) { 5768 continue; 5769 } 5770 5771 if (DEBUG_INTENT_MATCHING) { 5772 Log.v(TAG, "Specific #" + i + ": " + sintent); 5773 } 5774 5775 String action = sintent.getAction(); 5776 if (resultsAction != null && resultsAction.equals(action)) { 5777 // If this action was explicitly requested, then don't 5778 // remove things that have it. 5779 action = null; 5780 } 5781 5782 ResolveInfo ri = null; 5783 ActivityInfo ai = null; 5784 5785 ComponentName comp = sintent.getComponent(); 5786 if (comp == null) { 5787 ri = resolveIntent( 5788 sintent, 5789 specificTypes != null ? specificTypes[i] : null, 5790 flags, userId); 5791 if (ri == null) { 5792 continue; 5793 } 5794 if (ri == mResolveInfo) { 5795 // ACK! Must do something better with this. 5796 } 5797 ai = ri.activityInfo; 5798 comp = new ComponentName(ai.applicationInfo.packageName, 5799 ai.name); 5800 } else { 5801 ai = getActivityInfo(comp, flags, userId); 5802 if (ai == null) { 5803 continue; 5804 } 5805 } 5806 5807 // Look for any generic query activities that are duplicates 5808 // of this specific one, and remove them from the results. 5809 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5810 N = results.size(); 5811 int j; 5812 for (j=specificsPos; j<N; j++) { 5813 ResolveInfo sri = results.get(j); 5814 if ((sri.activityInfo.name.equals(comp.getClassName()) 5815 && sri.activityInfo.applicationInfo.packageName.equals( 5816 comp.getPackageName())) 5817 || (action != null && sri.filter.matchAction(action))) { 5818 results.remove(j); 5819 if (DEBUG_INTENT_MATCHING) Log.v( 5820 TAG, "Removing duplicate item from " + j 5821 + " due to specific " + specificsPos); 5822 if (ri == null) { 5823 ri = sri; 5824 } 5825 j--; 5826 N--; 5827 } 5828 } 5829 5830 // Add this specific item to its proper place. 5831 if (ri == null) { 5832 ri = new ResolveInfo(); 5833 ri.activityInfo = ai; 5834 } 5835 results.add(specificsPos, ri); 5836 ri.specificIndex = i; 5837 specificsPos++; 5838 } 5839 } 5840 5841 // Now we go through the remaining generic results and remove any 5842 // duplicate actions that are found here. 5843 N = results.size(); 5844 for (int i=specificsPos; i<N-1; i++) { 5845 final ResolveInfo rii = results.get(i); 5846 if (rii.filter == null) { 5847 continue; 5848 } 5849 5850 // Iterate over all of the actions of this result's intent 5851 // filter... typically this should be just one. 5852 final Iterator<String> it = rii.filter.actionsIterator(); 5853 if (it == null) { 5854 continue; 5855 } 5856 while (it.hasNext()) { 5857 final String action = it.next(); 5858 if (resultsAction != null && resultsAction.equals(action)) { 5859 // If this action was explicitly requested, then don't 5860 // remove things that have it. 5861 continue; 5862 } 5863 for (int j=i+1; j<N; j++) { 5864 final ResolveInfo rij = results.get(j); 5865 if (rij.filter != null && rij.filter.hasAction(action)) { 5866 results.remove(j); 5867 if (DEBUG_INTENT_MATCHING) Log.v( 5868 TAG, "Removing duplicate item from " + j 5869 + " due to action " + action + " at " + i); 5870 j--; 5871 N--; 5872 } 5873 } 5874 } 5875 5876 // If the caller didn't request filter information, drop it now 5877 // so we don't have to marshall/unmarshall it. 5878 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5879 rii.filter = null; 5880 } 5881 } 5882 5883 // Filter out the caller activity if so requested. 5884 if (caller != null) { 5885 N = results.size(); 5886 for (int i=0; i<N; i++) { 5887 ActivityInfo ainfo = results.get(i).activityInfo; 5888 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5889 && caller.getClassName().equals(ainfo.name)) { 5890 results.remove(i); 5891 break; 5892 } 5893 } 5894 } 5895 5896 // If the caller didn't request filter information, 5897 // drop them now so we don't have to 5898 // marshall/unmarshall it. 5899 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5900 N = results.size(); 5901 for (int i=0; i<N; i++) { 5902 results.get(i).filter = null; 5903 } 5904 } 5905 5906 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5907 return results; 5908 } 5909 5910 @Override 5911 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5912 String resolvedType, int flags, int userId) { 5913 return new ParceledListSlice<>( 5914 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5915 } 5916 5917 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5918 String resolvedType, int flags, int userId) { 5919 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5920 flags = updateFlagsForResolve(flags, userId, intent); 5921 ComponentName comp = intent.getComponent(); 5922 if (comp == null) { 5923 if (intent.getSelector() != null) { 5924 intent = intent.getSelector(); 5925 comp = intent.getComponent(); 5926 } 5927 } 5928 if (comp != null) { 5929 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5930 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5931 if (ai != null) { 5932 ResolveInfo ri = new ResolveInfo(); 5933 ri.activityInfo = ai; 5934 list.add(ri); 5935 } 5936 return list; 5937 } 5938 5939 // reader 5940 synchronized (mPackages) { 5941 String pkgName = intent.getPackage(); 5942 if (pkgName == null) { 5943 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5944 } 5945 final PackageParser.Package pkg = mPackages.get(pkgName); 5946 if (pkg != null) { 5947 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5948 userId); 5949 } 5950 return Collections.emptyList(); 5951 } 5952 } 5953 5954 @Override 5955 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5956 if (!sUserManager.exists(userId)) return null; 5957 flags = updateFlagsForResolve(flags, userId, intent); 5958 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5959 if (query != null) { 5960 if (query.size() >= 1) { 5961 // If there is more than one service with the same priority, 5962 // just arbitrarily pick the first one. 5963 return query.get(0); 5964 } 5965 } 5966 return null; 5967 } 5968 5969 @Override 5970 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5971 String resolvedType, int flags, int userId) { 5972 return new ParceledListSlice<>( 5973 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5974 } 5975 5976 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5977 String resolvedType, int flags, int userId) { 5978 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5979 flags = updateFlagsForResolve(flags, userId, intent); 5980 ComponentName comp = intent.getComponent(); 5981 if (comp == null) { 5982 if (intent.getSelector() != null) { 5983 intent = intent.getSelector(); 5984 comp = intent.getComponent(); 5985 } 5986 } 5987 if (comp != null) { 5988 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5989 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5990 if (si != null) { 5991 final ResolveInfo ri = new ResolveInfo(); 5992 ri.serviceInfo = si; 5993 list.add(ri); 5994 } 5995 return list; 5996 } 5997 5998 // reader 5999 synchronized (mPackages) { 6000 String pkgName = intent.getPackage(); 6001 if (pkgName == null) { 6002 return mServices.queryIntent(intent, resolvedType, flags, userId); 6003 } 6004 final PackageParser.Package pkg = mPackages.get(pkgName); 6005 if (pkg != null) { 6006 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6007 userId); 6008 } 6009 return Collections.emptyList(); 6010 } 6011 } 6012 6013 @Override 6014 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6015 String resolvedType, int flags, int userId) { 6016 return new ParceledListSlice<>( 6017 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6018 } 6019 6020 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6021 Intent intent, String resolvedType, int flags, int userId) { 6022 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6023 flags = updateFlagsForResolve(flags, userId, intent); 6024 ComponentName comp = intent.getComponent(); 6025 if (comp == null) { 6026 if (intent.getSelector() != null) { 6027 intent = intent.getSelector(); 6028 comp = intent.getComponent(); 6029 } 6030 } 6031 if (comp != null) { 6032 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6033 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6034 if (pi != null) { 6035 final ResolveInfo ri = new ResolveInfo(); 6036 ri.providerInfo = pi; 6037 list.add(ri); 6038 } 6039 return list; 6040 } 6041 6042 // reader 6043 synchronized (mPackages) { 6044 String pkgName = intent.getPackage(); 6045 if (pkgName == null) { 6046 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6047 } 6048 final PackageParser.Package pkg = mPackages.get(pkgName); 6049 if (pkg != null) { 6050 return mProviders.queryIntentForPackage( 6051 intent, resolvedType, flags, pkg.providers, userId); 6052 } 6053 return Collections.emptyList(); 6054 } 6055 } 6056 6057 @Override 6058 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6059 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6060 flags = updateFlagsForPackage(flags, userId, null); 6061 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6062 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6063 true /* requireFullPermission */, false /* checkShell */, 6064 "get installed packages"); 6065 6066 // writer 6067 synchronized (mPackages) { 6068 ArrayList<PackageInfo> list; 6069 if (listUninstalled) { 6070 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6071 for (PackageSetting ps : mSettings.mPackages.values()) { 6072 final PackageInfo pi; 6073 if (ps.pkg != null) { 6074 pi = generatePackageInfo(ps, flags, userId); 6075 } else { 6076 pi = generatePackageInfo(ps, flags, userId); 6077 } 6078 if (pi != null) { 6079 list.add(pi); 6080 } 6081 } 6082 } else { 6083 list = new ArrayList<PackageInfo>(mPackages.size()); 6084 for (PackageParser.Package p : mPackages.values()) { 6085 final PackageInfo pi = 6086 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6087 if (pi != null) { 6088 list.add(pi); 6089 } 6090 } 6091 } 6092 6093 return new ParceledListSlice<PackageInfo>(list); 6094 } 6095 } 6096 6097 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6098 String[] permissions, boolean[] tmp, int flags, int userId) { 6099 int numMatch = 0; 6100 final PermissionsState permissionsState = ps.getPermissionsState(); 6101 for (int i=0; i<permissions.length; i++) { 6102 final String permission = permissions[i]; 6103 if (permissionsState.hasPermission(permission, userId)) { 6104 tmp[i] = true; 6105 numMatch++; 6106 } else { 6107 tmp[i] = false; 6108 } 6109 } 6110 if (numMatch == 0) { 6111 return; 6112 } 6113 final PackageInfo pi; 6114 if (ps.pkg != null) { 6115 pi = generatePackageInfo(ps, flags, userId); 6116 } else { 6117 pi = generatePackageInfo(ps, flags, userId); 6118 } 6119 // The above might return null in cases of uninstalled apps or install-state 6120 // skew across users/profiles. 6121 if (pi != null) { 6122 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6123 if (numMatch == permissions.length) { 6124 pi.requestedPermissions = permissions; 6125 } else { 6126 pi.requestedPermissions = new String[numMatch]; 6127 numMatch = 0; 6128 for (int i=0; i<permissions.length; i++) { 6129 if (tmp[i]) { 6130 pi.requestedPermissions[numMatch] = permissions[i]; 6131 numMatch++; 6132 } 6133 } 6134 } 6135 } 6136 list.add(pi); 6137 } 6138 } 6139 6140 @Override 6141 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6142 String[] permissions, int flags, int userId) { 6143 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6144 flags = updateFlagsForPackage(flags, userId, permissions); 6145 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6146 6147 // writer 6148 synchronized (mPackages) { 6149 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6150 boolean[] tmpBools = new boolean[permissions.length]; 6151 if (listUninstalled) { 6152 for (PackageSetting ps : mSettings.mPackages.values()) { 6153 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6154 } 6155 } else { 6156 for (PackageParser.Package pkg : mPackages.values()) { 6157 PackageSetting ps = (PackageSetting)pkg.mExtras; 6158 if (ps != null) { 6159 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6160 userId); 6161 } 6162 } 6163 } 6164 6165 return new ParceledListSlice<PackageInfo>(list); 6166 } 6167 } 6168 6169 @Override 6170 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6171 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6172 flags = updateFlagsForApplication(flags, userId, null); 6173 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6174 6175 // writer 6176 synchronized (mPackages) { 6177 ArrayList<ApplicationInfo> list; 6178 if (listUninstalled) { 6179 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6180 for (PackageSetting ps : mSettings.mPackages.values()) { 6181 ApplicationInfo ai; 6182 if (ps.pkg != null) { 6183 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6184 ps.readUserState(userId), userId); 6185 } else { 6186 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6187 } 6188 if (ai != null) { 6189 list.add(ai); 6190 } 6191 } 6192 } else { 6193 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6194 for (PackageParser.Package p : mPackages.values()) { 6195 if (p.mExtras != null) { 6196 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6197 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6198 if (ai != null) { 6199 list.add(ai); 6200 } 6201 } 6202 } 6203 } 6204 6205 return new ParceledListSlice<ApplicationInfo>(list); 6206 } 6207 } 6208 6209 @Override 6210 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6211 if (DISABLE_EPHEMERAL_APPS) { 6212 return null; 6213 } 6214 6215 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6216 "getEphemeralApplications"); 6217 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6218 true /* requireFullPermission */, false /* checkShell */, 6219 "getEphemeralApplications"); 6220 synchronized (mPackages) { 6221 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6222 .getEphemeralApplicationsLPw(userId); 6223 if (ephemeralApps != null) { 6224 return new ParceledListSlice<>(ephemeralApps); 6225 } 6226 } 6227 return null; 6228 } 6229 6230 @Override 6231 public boolean isEphemeralApplication(String packageName, int userId) { 6232 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6233 true /* requireFullPermission */, false /* checkShell */, 6234 "isEphemeral"); 6235 if (DISABLE_EPHEMERAL_APPS) { 6236 return false; 6237 } 6238 6239 if (!isCallerSameApp(packageName)) { 6240 return false; 6241 } 6242 synchronized (mPackages) { 6243 PackageParser.Package pkg = mPackages.get(packageName); 6244 if (pkg != null) { 6245 return pkg.applicationInfo.isEphemeralApp(); 6246 } 6247 } 6248 return false; 6249 } 6250 6251 @Override 6252 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6253 if (DISABLE_EPHEMERAL_APPS) { 6254 return null; 6255 } 6256 6257 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6258 true /* requireFullPermission */, false /* checkShell */, 6259 "getCookie"); 6260 if (!isCallerSameApp(packageName)) { 6261 return null; 6262 } 6263 synchronized (mPackages) { 6264 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6265 packageName, userId); 6266 } 6267 } 6268 6269 @Override 6270 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6271 if (DISABLE_EPHEMERAL_APPS) { 6272 return true; 6273 } 6274 6275 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6276 true /* requireFullPermission */, true /* checkShell */, 6277 "setCookie"); 6278 if (!isCallerSameApp(packageName)) { 6279 return false; 6280 } 6281 synchronized (mPackages) { 6282 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6283 packageName, cookie, userId); 6284 } 6285 } 6286 6287 @Override 6288 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6289 if (DISABLE_EPHEMERAL_APPS) { 6290 return null; 6291 } 6292 6293 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6294 "getEphemeralApplicationIcon"); 6295 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6296 true /* requireFullPermission */, false /* checkShell */, 6297 "getEphemeralApplicationIcon"); 6298 synchronized (mPackages) { 6299 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6300 packageName, userId); 6301 } 6302 } 6303 6304 private boolean isCallerSameApp(String packageName) { 6305 PackageParser.Package pkg = mPackages.get(packageName); 6306 return pkg != null 6307 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6308 } 6309 6310 @Override 6311 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6312 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6313 } 6314 6315 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6316 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6317 6318 // reader 6319 synchronized (mPackages) { 6320 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6321 final int userId = UserHandle.getCallingUserId(); 6322 while (i.hasNext()) { 6323 final PackageParser.Package p = i.next(); 6324 if (p.applicationInfo == null) continue; 6325 6326 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6327 && !p.applicationInfo.isDirectBootAware(); 6328 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6329 && p.applicationInfo.isDirectBootAware(); 6330 6331 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6332 && (!mSafeMode || isSystemApp(p)) 6333 && (matchesUnaware || matchesAware)) { 6334 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6335 if (ps != null) { 6336 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6337 ps.readUserState(userId), userId); 6338 if (ai != null) { 6339 finalList.add(ai); 6340 } 6341 } 6342 } 6343 } 6344 } 6345 6346 return finalList; 6347 } 6348 6349 @Override 6350 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6351 if (!sUserManager.exists(userId)) return null; 6352 flags = updateFlagsForComponent(flags, userId, name); 6353 // reader 6354 synchronized (mPackages) { 6355 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6356 PackageSetting ps = provider != null 6357 ? mSettings.mPackages.get(provider.owner.packageName) 6358 : null; 6359 return ps != null 6360 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6361 ? PackageParser.generateProviderInfo(provider, flags, 6362 ps.readUserState(userId), userId) 6363 : null; 6364 } 6365 } 6366 6367 /** 6368 * @deprecated 6369 */ 6370 @Deprecated 6371 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6372 // reader 6373 synchronized (mPackages) { 6374 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6375 .entrySet().iterator(); 6376 final int userId = UserHandle.getCallingUserId(); 6377 while (i.hasNext()) { 6378 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6379 PackageParser.Provider p = entry.getValue(); 6380 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6381 6382 if (ps != null && p.syncable 6383 && (!mSafeMode || (p.info.applicationInfo.flags 6384 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6385 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6386 ps.readUserState(userId), userId); 6387 if (info != null) { 6388 outNames.add(entry.getKey()); 6389 outInfo.add(info); 6390 } 6391 } 6392 } 6393 } 6394 } 6395 6396 @Override 6397 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6398 int uid, int flags) { 6399 final int userId = processName != null ? UserHandle.getUserId(uid) 6400 : UserHandle.getCallingUserId(); 6401 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6402 flags = updateFlagsForComponent(flags, userId, processName); 6403 6404 ArrayList<ProviderInfo> finalList = null; 6405 // reader 6406 synchronized (mPackages) { 6407 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6408 while (i.hasNext()) { 6409 final PackageParser.Provider p = i.next(); 6410 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6411 if (ps != null && p.info.authority != null 6412 && (processName == null 6413 || (p.info.processName.equals(processName) 6414 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6415 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6416 if (finalList == null) { 6417 finalList = new ArrayList<ProviderInfo>(3); 6418 } 6419 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6420 ps.readUserState(userId), userId); 6421 if (info != null) { 6422 finalList.add(info); 6423 } 6424 } 6425 } 6426 } 6427 6428 if (finalList != null) { 6429 Collections.sort(finalList, mProviderInitOrderSorter); 6430 return new ParceledListSlice<ProviderInfo>(finalList); 6431 } 6432 6433 return ParceledListSlice.emptyList(); 6434 } 6435 6436 @Override 6437 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6438 // reader 6439 synchronized (mPackages) { 6440 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6441 return PackageParser.generateInstrumentationInfo(i, flags); 6442 } 6443 } 6444 6445 @Override 6446 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6447 String targetPackage, int flags) { 6448 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6449 } 6450 6451 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6452 int flags) { 6453 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6454 6455 // reader 6456 synchronized (mPackages) { 6457 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6458 while (i.hasNext()) { 6459 final PackageParser.Instrumentation p = i.next(); 6460 if (targetPackage == null 6461 || targetPackage.equals(p.info.targetPackage)) { 6462 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6463 flags); 6464 if (ii != null) { 6465 finalList.add(ii); 6466 } 6467 } 6468 } 6469 } 6470 6471 return finalList; 6472 } 6473 6474 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6475 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6476 if (overlays == null) { 6477 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6478 return; 6479 } 6480 for (PackageParser.Package opkg : overlays.values()) { 6481 // Not much to do if idmap fails: we already logged the error 6482 // and we certainly don't want to abort installation of pkg simply 6483 // because an overlay didn't fit properly. For these reasons, 6484 // ignore the return value of createIdmapForPackagePairLI. 6485 createIdmapForPackagePairLI(pkg, opkg); 6486 } 6487 } 6488 6489 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6490 PackageParser.Package opkg) { 6491 if (!opkg.mTrustedOverlay) { 6492 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6493 opkg.baseCodePath + ": overlay not trusted"); 6494 return false; 6495 } 6496 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6497 if (overlaySet == null) { 6498 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6499 opkg.baseCodePath + " but target package has no known overlays"); 6500 return false; 6501 } 6502 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6503 // TODO: generate idmap for split APKs 6504 try { 6505 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6506 } catch (InstallerException e) { 6507 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6508 + opkg.baseCodePath); 6509 return false; 6510 } 6511 PackageParser.Package[] overlayArray = 6512 overlaySet.values().toArray(new PackageParser.Package[0]); 6513 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6514 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6515 return p1.mOverlayPriority - p2.mOverlayPriority; 6516 } 6517 }; 6518 Arrays.sort(overlayArray, cmp); 6519 6520 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6521 int i = 0; 6522 for (PackageParser.Package p : overlayArray) { 6523 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6524 } 6525 return true; 6526 } 6527 6528 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6529 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6530 try { 6531 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6532 } finally { 6533 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6534 } 6535 } 6536 6537 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6538 final File[] files = dir.listFiles(); 6539 if (ArrayUtils.isEmpty(files)) { 6540 Log.d(TAG, "No files in app dir " + dir); 6541 return; 6542 } 6543 6544 if (DEBUG_PACKAGE_SCANNING) { 6545 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6546 + " flags=0x" + Integer.toHexString(parseFlags)); 6547 } 6548 6549 for (File file : files) { 6550 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6551 && !PackageInstallerService.isStageName(file.getName()); 6552 if (!isPackage) { 6553 // Ignore entries which are not packages 6554 continue; 6555 } 6556 try { 6557 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6558 scanFlags, currentTime, null); 6559 } catch (PackageManagerException e) { 6560 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6561 6562 // Delete invalid userdata apps 6563 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6564 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6565 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6566 removeCodePathLI(file); 6567 } 6568 } 6569 } 6570 } 6571 6572 private static File getSettingsProblemFile() { 6573 File dataDir = Environment.getDataDirectory(); 6574 File systemDir = new File(dataDir, "system"); 6575 File fname = new File(systemDir, "uiderrors.txt"); 6576 return fname; 6577 } 6578 6579 static void reportSettingsProblem(int priority, String msg) { 6580 logCriticalInfo(priority, msg); 6581 } 6582 6583 static void logCriticalInfo(int priority, String msg) { 6584 Slog.println(priority, TAG, msg); 6585 EventLogTags.writePmCriticalInfo(msg); 6586 try { 6587 File fname = getSettingsProblemFile(); 6588 FileOutputStream out = new FileOutputStream(fname, true); 6589 PrintWriter pw = new FastPrintWriter(out); 6590 SimpleDateFormat formatter = new SimpleDateFormat(); 6591 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6592 pw.println(dateString + ": " + msg); 6593 pw.close(); 6594 FileUtils.setPermissions( 6595 fname.toString(), 6596 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6597 -1, -1); 6598 } catch (java.io.IOException e) { 6599 } 6600 } 6601 6602 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6603 if (srcFile.isDirectory()) { 6604 final File baseFile = new File(pkg.baseCodePath); 6605 long maxModifiedTime = baseFile.lastModified(); 6606 if (pkg.splitCodePaths != null) { 6607 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6608 final File splitFile = new File(pkg.splitCodePaths[i]); 6609 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6610 } 6611 } 6612 return maxModifiedTime; 6613 } 6614 return srcFile.lastModified(); 6615 } 6616 6617 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6618 final int policyFlags) throws PackageManagerException { 6619 // When upgrading from pre-N MR1, verify the package time stamp using the package 6620 // directory and not the APK file. 6621 final long lastModifiedTime = mIsPreNMR1Upgrade 6622 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6623 if (ps != null 6624 && ps.codePath.equals(srcFile) 6625 && ps.timeStamp == lastModifiedTime 6626 && !isCompatSignatureUpdateNeeded(pkg) 6627 && !isRecoverSignatureUpdateNeeded(pkg)) { 6628 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6629 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6630 ArraySet<PublicKey> signingKs; 6631 synchronized (mPackages) { 6632 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6633 } 6634 if (ps.signatures.mSignatures != null 6635 && ps.signatures.mSignatures.length != 0 6636 && signingKs != null) { 6637 // Optimization: reuse the existing cached certificates 6638 // if the package appears to be unchanged. 6639 pkg.mSignatures = ps.signatures.mSignatures; 6640 pkg.mSigningKeys = signingKs; 6641 return; 6642 } 6643 6644 Slog.w(TAG, "PackageSetting for " + ps.name 6645 + " is missing signatures. Collecting certs again to recover them."); 6646 } else { 6647 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6648 } 6649 6650 try { 6651 PackageParser.collectCertificates(pkg, policyFlags); 6652 } catch (PackageParserException e) { 6653 throw PackageManagerException.from(e); 6654 } 6655 } 6656 6657 /** 6658 * Traces a package scan. 6659 * @see #scanPackageLI(File, int, int, long, UserHandle) 6660 */ 6661 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6662 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6663 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6664 try { 6665 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6666 } finally { 6667 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6668 } 6669 } 6670 6671 /** 6672 * Scans a package and returns the newly parsed package. 6673 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6674 */ 6675 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6676 long currentTime, UserHandle user) throws PackageManagerException { 6677 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6678 PackageParser pp = new PackageParser(); 6679 pp.setSeparateProcesses(mSeparateProcesses); 6680 pp.setOnlyCoreApps(mOnlyCore); 6681 pp.setDisplayMetrics(mMetrics); 6682 6683 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6684 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6685 } 6686 6687 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6688 final PackageParser.Package pkg; 6689 try { 6690 pkg = pp.parsePackage(scanFile, parseFlags); 6691 } catch (PackageParserException e) { 6692 throw PackageManagerException.from(e); 6693 } finally { 6694 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6695 } 6696 6697 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6698 } 6699 6700 /** 6701 * Scans a package and returns the newly parsed package. 6702 * @throws PackageManagerException on a parse error. 6703 */ 6704 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6705 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6706 throws PackageManagerException { 6707 // If the package has children and this is the first dive in the function 6708 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6709 // packages (parent and children) would be successfully scanned before the 6710 // actual scan since scanning mutates internal state and we want to atomically 6711 // install the package and its children. 6712 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6713 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6714 scanFlags |= SCAN_CHECK_ONLY; 6715 } 6716 } else { 6717 scanFlags &= ~SCAN_CHECK_ONLY; 6718 } 6719 6720 // Scan the parent 6721 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6722 scanFlags, currentTime, user); 6723 6724 // Scan the children 6725 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6726 for (int i = 0; i < childCount; i++) { 6727 PackageParser.Package childPackage = pkg.childPackages.get(i); 6728 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6729 currentTime, user); 6730 } 6731 6732 6733 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6734 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6735 } 6736 6737 return scannedPkg; 6738 } 6739 6740 /** 6741 * Scans a package and returns the newly parsed package. 6742 * @throws PackageManagerException on a parse error. 6743 */ 6744 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6745 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6746 throws PackageManagerException { 6747 PackageSetting ps = null; 6748 PackageSetting updatedPkg; 6749 // reader 6750 synchronized (mPackages) { 6751 // Look to see if we already know about this package. 6752 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6753 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6754 // This package has been renamed to its original name. Let's 6755 // use that. 6756 ps = mSettings.peekPackageLPr(oldName); 6757 } 6758 // If there was no original package, see one for the real package name. 6759 if (ps == null) { 6760 ps = mSettings.peekPackageLPr(pkg.packageName); 6761 } 6762 // Check to see if this package could be hiding/updating a system 6763 // package. Must look for it either under the original or real 6764 // package name depending on our state. 6765 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6766 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6767 6768 // If this is a package we don't know about on the system partition, we 6769 // may need to remove disabled child packages on the system partition 6770 // or may need to not add child packages if the parent apk is updated 6771 // on the data partition and no longer defines this child package. 6772 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6773 // If this is a parent package for an updated system app and this system 6774 // app got an OTA update which no longer defines some of the child packages 6775 // we have to prune them from the disabled system packages. 6776 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6777 if (disabledPs != null) { 6778 final int scannedChildCount = (pkg.childPackages != null) 6779 ? pkg.childPackages.size() : 0; 6780 final int disabledChildCount = disabledPs.childPackageNames != null 6781 ? disabledPs.childPackageNames.size() : 0; 6782 for (int i = 0; i < disabledChildCount; i++) { 6783 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6784 boolean disabledPackageAvailable = false; 6785 for (int j = 0; j < scannedChildCount; j++) { 6786 PackageParser.Package childPkg = pkg.childPackages.get(j); 6787 if (childPkg.packageName.equals(disabledChildPackageName)) { 6788 disabledPackageAvailable = true; 6789 break; 6790 } 6791 } 6792 if (!disabledPackageAvailable) { 6793 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6794 } 6795 } 6796 } 6797 } 6798 } 6799 6800 boolean updatedPkgBetter = false; 6801 // First check if this is a system package that may involve an update 6802 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6803 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6804 // it needs to drop FLAG_PRIVILEGED. 6805 if (locationIsPrivileged(scanFile)) { 6806 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6807 } else { 6808 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6809 } 6810 6811 if (ps != null && !ps.codePath.equals(scanFile)) { 6812 // The path has changed from what was last scanned... check the 6813 // version of the new path against what we have stored to determine 6814 // what to do. 6815 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6816 if (pkg.mVersionCode <= ps.versionCode) { 6817 // The system package has been updated and the code path does not match 6818 // Ignore entry. Skip it. 6819 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6820 + " ignored: updated version " + ps.versionCode 6821 + " better than this " + pkg.mVersionCode); 6822 if (!updatedPkg.codePath.equals(scanFile)) { 6823 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6824 + ps.name + " changing from " + updatedPkg.codePathString 6825 + " to " + scanFile); 6826 updatedPkg.codePath = scanFile; 6827 updatedPkg.codePathString = scanFile.toString(); 6828 updatedPkg.resourcePath = scanFile; 6829 updatedPkg.resourcePathString = scanFile.toString(); 6830 } 6831 updatedPkg.pkg = pkg; 6832 updatedPkg.versionCode = pkg.mVersionCode; 6833 6834 // Update the disabled system child packages to point to the package too. 6835 final int childCount = updatedPkg.childPackageNames != null 6836 ? updatedPkg.childPackageNames.size() : 0; 6837 for (int i = 0; i < childCount; i++) { 6838 String childPackageName = updatedPkg.childPackageNames.get(i); 6839 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6840 childPackageName); 6841 if (updatedChildPkg != null) { 6842 updatedChildPkg.pkg = pkg; 6843 updatedChildPkg.versionCode = pkg.mVersionCode; 6844 } 6845 } 6846 6847 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6848 + scanFile + " ignored: updated version " + ps.versionCode 6849 + " better than this " + pkg.mVersionCode); 6850 } else { 6851 // The current app on the system partition is better than 6852 // what we have updated to on the data partition; switch 6853 // back to the system partition version. 6854 // At this point, its safely assumed that package installation for 6855 // apps in system partition will go through. If not there won't be a working 6856 // version of the app 6857 // writer 6858 synchronized (mPackages) { 6859 // Just remove the loaded entries from package lists. 6860 mPackages.remove(ps.name); 6861 } 6862 6863 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6864 + " reverting from " + ps.codePathString 6865 + ": new version " + pkg.mVersionCode 6866 + " better than installed " + ps.versionCode); 6867 6868 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6869 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6870 synchronized (mInstallLock) { 6871 args.cleanUpResourcesLI(); 6872 } 6873 synchronized (mPackages) { 6874 mSettings.enableSystemPackageLPw(ps.name); 6875 } 6876 updatedPkgBetter = true; 6877 } 6878 } 6879 } 6880 6881 if (updatedPkg != null) { 6882 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6883 // initially 6884 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6885 6886 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6887 // flag set initially 6888 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6889 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6890 } 6891 } 6892 6893 // Verify certificates against what was last scanned 6894 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6895 6896 /* 6897 * A new system app appeared, but we already had a non-system one of the 6898 * same name installed earlier. 6899 */ 6900 boolean shouldHideSystemApp = false; 6901 if (updatedPkg == null && ps != null 6902 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6903 /* 6904 * Check to make sure the signatures match first. If they don't, 6905 * wipe the installed application and its data. 6906 */ 6907 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6908 != PackageManager.SIGNATURE_MATCH) { 6909 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6910 + " signatures don't match existing userdata copy; removing"); 6911 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6912 "scanPackageInternalLI")) { 6913 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6914 } 6915 ps = null; 6916 } else { 6917 /* 6918 * If the newly-added system app is an older version than the 6919 * already installed version, hide it. It will be scanned later 6920 * and re-added like an update. 6921 */ 6922 if (pkg.mVersionCode <= ps.versionCode) { 6923 shouldHideSystemApp = true; 6924 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6925 + " but new version " + pkg.mVersionCode + " better than installed " 6926 + ps.versionCode + "; hiding system"); 6927 } else { 6928 /* 6929 * The newly found system app is a newer version that the 6930 * one previously installed. Simply remove the 6931 * already-installed application and replace it with our own 6932 * while keeping the application data. 6933 */ 6934 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6935 + " reverting from " + ps.codePathString + ": new version " 6936 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6937 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6938 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6939 synchronized (mInstallLock) { 6940 args.cleanUpResourcesLI(); 6941 } 6942 } 6943 } 6944 } 6945 6946 // The apk is forward locked (not public) if its code and resources 6947 // are kept in different files. (except for app in either system or 6948 // vendor path). 6949 // TODO grab this value from PackageSettings 6950 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6951 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6952 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6953 } 6954 } 6955 6956 // TODO: extend to support forward-locked splits 6957 String resourcePath = null; 6958 String baseResourcePath = null; 6959 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6960 if (ps != null && ps.resourcePathString != null) { 6961 resourcePath = ps.resourcePathString; 6962 baseResourcePath = ps.resourcePathString; 6963 } else { 6964 // Should not happen at all. Just log an error. 6965 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6966 } 6967 } else { 6968 resourcePath = pkg.codePath; 6969 baseResourcePath = pkg.baseCodePath; 6970 } 6971 6972 // Set application objects path explicitly. 6973 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6974 pkg.setApplicationInfoCodePath(pkg.codePath); 6975 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6976 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6977 pkg.setApplicationInfoResourcePath(resourcePath); 6978 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6979 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6980 6981 // Note that we invoke the following method only if we are about to unpack an application 6982 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 6983 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6984 6985 /* 6986 * If the system app should be overridden by a previously installed 6987 * data, hide the system app now and let the /data/app scan pick it up 6988 * again. 6989 */ 6990 if (shouldHideSystemApp) { 6991 synchronized (mPackages) { 6992 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6993 } 6994 } 6995 6996 return scannedPkg; 6997 } 6998 6999 private static String fixProcessName(String defProcessName, 7000 String processName, int uid) { 7001 if (processName == null) { 7002 return defProcessName; 7003 } 7004 return processName; 7005 } 7006 7007 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7008 throws PackageManagerException { 7009 if (pkgSetting.signatures.mSignatures != null) { 7010 // Already existing package. Make sure signatures match 7011 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7012 == PackageManager.SIGNATURE_MATCH; 7013 if (!match) { 7014 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7015 == PackageManager.SIGNATURE_MATCH; 7016 } 7017 if (!match) { 7018 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7019 == PackageManager.SIGNATURE_MATCH; 7020 } 7021 if (!match) { 7022 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7023 + pkg.packageName + " signatures do not match the " 7024 + "previously installed version; ignoring!"); 7025 } 7026 } 7027 7028 // Check for shared user signatures 7029 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7030 // Already existing package. Make sure signatures match 7031 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7032 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7033 if (!match) { 7034 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7035 == PackageManager.SIGNATURE_MATCH; 7036 } 7037 if (!match) { 7038 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7039 == PackageManager.SIGNATURE_MATCH; 7040 } 7041 if (!match) { 7042 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7043 "Package " + pkg.packageName 7044 + " has no signatures that match those in shared user " 7045 + pkgSetting.sharedUser.name + "; ignoring!"); 7046 } 7047 } 7048 } 7049 7050 /** 7051 * Enforces that only the system UID or root's UID can call a method exposed 7052 * via Binder. 7053 * 7054 * @param message used as message if SecurityException is thrown 7055 * @throws SecurityException if the caller is not system or root 7056 */ 7057 private static final void enforceSystemOrRoot(String message) { 7058 final int uid = Binder.getCallingUid(); 7059 if (uid != Process.SYSTEM_UID && uid != 0) { 7060 throw new SecurityException(message); 7061 } 7062 } 7063 7064 @Override 7065 public void performFstrimIfNeeded() { 7066 enforceSystemOrRoot("Only the system can request fstrim"); 7067 7068 // Before everything else, see whether we need to fstrim. 7069 try { 7070 IMountService ms = PackageHelper.getMountService(); 7071 if (ms != null) { 7072 boolean doTrim = false; 7073 final long interval = android.provider.Settings.Global.getLong( 7074 mContext.getContentResolver(), 7075 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7076 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7077 if (interval > 0) { 7078 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7079 if (timeSinceLast > interval) { 7080 doTrim = true; 7081 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7082 + "; running immediately"); 7083 } 7084 } 7085 if (doTrim) { 7086 if (!isFirstBoot()) { 7087 try { 7088 ActivityManagerNative.getDefault().showBootMessage( 7089 mContext.getResources().getString( 7090 R.string.android_upgrading_fstrim), true); 7091 } catch (RemoteException e) { 7092 } 7093 } 7094 ms.runMaintenance(); 7095 } 7096 } else { 7097 Slog.e(TAG, "Mount service unavailable!"); 7098 } 7099 } catch (RemoteException e) { 7100 // Can't happen; MountService is local 7101 } 7102 } 7103 7104 @Override 7105 public void updatePackagesIfNeeded() { 7106 enforceSystemOrRoot("Only the system can request package update"); 7107 7108 // We need to re-extract after an OTA. 7109 boolean causeUpgrade = isUpgrade(); 7110 7111 // First boot or factory reset. 7112 // Note: we also handle devices that are upgrading to N right now as if it is their 7113 // first boot, as they do not have profile data. 7114 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7115 7116 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7117 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7118 7119 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7120 return; 7121 } 7122 7123 List<PackageParser.Package> pkgs; 7124 synchronized (mPackages) { 7125 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7126 } 7127 7128 final long startTime = System.nanoTime(); 7129 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7130 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7131 7132 final int elapsedTimeSeconds = 7133 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7134 7135 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7136 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7137 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7138 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7139 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7140 } 7141 7142 /** 7143 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7144 * containing statistics about the invocation. The array consists of three elements, 7145 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7146 * and {@code numberOfPackagesFailed}. 7147 */ 7148 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7149 String compilerFilter) { 7150 7151 int numberOfPackagesVisited = 0; 7152 int numberOfPackagesOptimized = 0; 7153 int numberOfPackagesSkipped = 0; 7154 int numberOfPackagesFailed = 0; 7155 final int numberOfPackagesToDexopt = pkgs.size(); 7156 7157 for (PackageParser.Package pkg : pkgs) { 7158 numberOfPackagesVisited++; 7159 7160 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7161 if (DEBUG_DEXOPT) { 7162 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7163 } 7164 numberOfPackagesSkipped++; 7165 continue; 7166 } 7167 7168 if (DEBUG_DEXOPT) { 7169 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7170 numberOfPackagesToDexopt + ": " + pkg.packageName); 7171 } 7172 7173 if (showDialog) { 7174 try { 7175 ActivityManagerNative.getDefault().showBootMessage( 7176 mContext.getResources().getString(R.string.android_upgrading_apk, 7177 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7178 } catch (RemoteException e) { 7179 } 7180 } 7181 7182 // If the OTA updates a system app which was previously preopted to a non-preopted state 7183 // the app might end up being verified at runtime. That's because by default the apps 7184 // are verify-profile but for preopted apps there's no profile. 7185 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7186 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7187 // filter (by default interpret-only). 7188 // Note that at this stage unused apps are already filtered. 7189 if (isSystemApp(pkg) && 7190 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7191 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7192 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7193 } 7194 7195 // checkProfiles is false to avoid merging profiles during boot which 7196 // might interfere with background compilation (b/28612421). 7197 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7198 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7199 // trade-off worth doing to save boot time work. 7200 int dexOptStatus = performDexOptTraced(pkg.packageName, 7201 false /* checkProfiles */, 7202 compilerFilter, 7203 false /* force */); 7204 switch (dexOptStatus) { 7205 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7206 numberOfPackagesOptimized++; 7207 break; 7208 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7209 numberOfPackagesSkipped++; 7210 break; 7211 case PackageDexOptimizer.DEX_OPT_FAILED: 7212 numberOfPackagesFailed++; 7213 break; 7214 default: 7215 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7216 break; 7217 } 7218 } 7219 7220 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7221 numberOfPackagesFailed }; 7222 } 7223 7224 @Override 7225 public void notifyPackageUse(String packageName, int reason) { 7226 synchronized (mPackages) { 7227 PackageParser.Package p = mPackages.get(packageName); 7228 if (p == null) { 7229 return; 7230 } 7231 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7232 } 7233 } 7234 7235 // TODO: this is not used nor needed. Delete it. 7236 @Override 7237 public boolean performDexOptIfNeeded(String packageName) { 7238 int dexOptStatus = performDexOptTraced(packageName, 7239 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7240 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7241 } 7242 7243 @Override 7244 public boolean performDexOpt(String packageName, 7245 boolean checkProfiles, int compileReason, boolean force) { 7246 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7247 getCompilerFilterForReason(compileReason), force); 7248 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7249 } 7250 7251 @Override 7252 public boolean performDexOptMode(String packageName, 7253 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7254 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7255 targetCompilerFilter, force); 7256 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7257 } 7258 7259 private int performDexOptTraced(String packageName, 7260 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7261 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7262 try { 7263 return performDexOptInternal(packageName, checkProfiles, 7264 targetCompilerFilter, force); 7265 } finally { 7266 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7267 } 7268 } 7269 7270 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7271 // if the package can now be considered up to date for the given filter. 7272 private int performDexOptInternal(String packageName, 7273 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7274 PackageParser.Package p; 7275 synchronized (mPackages) { 7276 p = mPackages.get(packageName); 7277 if (p == null) { 7278 // Package could not be found. Report failure. 7279 return PackageDexOptimizer.DEX_OPT_FAILED; 7280 } 7281 mPackageUsage.maybeWriteAsync(mPackages); 7282 mCompilerStats.maybeWriteAsync(); 7283 } 7284 long callingId = Binder.clearCallingIdentity(); 7285 try { 7286 synchronized (mInstallLock) { 7287 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7288 targetCompilerFilter, force); 7289 } 7290 } finally { 7291 Binder.restoreCallingIdentity(callingId); 7292 } 7293 } 7294 7295 public ArraySet<String> getOptimizablePackages() { 7296 ArraySet<String> pkgs = new ArraySet<String>(); 7297 synchronized (mPackages) { 7298 for (PackageParser.Package p : mPackages.values()) { 7299 if (PackageDexOptimizer.canOptimizePackage(p)) { 7300 pkgs.add(p.packageName); 7301 } 7302 } 7303 } 7304 return pkgs; 7305 } 7306 7307 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7308 boolean checkProfiles, String targetCompilerFilter, 7309 boolean force) { 7310 // Select the dex optimizer based on the force parameter. 7311 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7312 // allocate an object here. 7313 PackageDexOptimizer pdo = force 7314 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7315 : mPackageDexOptimizer; 7316 7317 // Optimize all dependencies first. Note: we ignore the return value and march on 7318 // on errors. 7319 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7320 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7321 if (!deps.isEmpty()) { 7322 for (PackageParser.Package depPackage : deps) { 7323 // TODO: Analyze and investigate if we (should) profile libraries. 7324 // Currently this will do a full compilation of the library by default. 7325 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7326 false /* checkProfiles */, 7327 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7328 getOrCreateCompilerPackageStats(depPackage)); 7329 } 7330 } 7331 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7332 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7333 } 7334 7335 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7336 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7337 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7338 Set<String> collectedNames = new HashSet<>(); 7339 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7340 7341 retValue.remove(p); 7342 7343 return retValue; 7344 } else { 7345 return Collections.emptyList(); 7346 } 7347 } 7348 7349 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7350 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7351 if (!collectedNames.contains(p.packageName)) { 7352 collectedNames.add(p.packageName); 7353 collected.add(p); 7354 7355 if (p.usesLibraries != null) { 7356 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7357 } 7358 if (p.usesOptionalLibraries != null) { 7359 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7360 collectedNames); 7361 } 7362 } 7363 } 7364 7365 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7366 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7367 for (String libName : libs) { 7368 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7369 if (libPkg != null) { 7370 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7371 } 7372 } 7373 } 7374 7375 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7376 synchronized (mPackages) { 7377 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7378 if (lib != null && lib.apk != null) { 7379 return mPackages.get(lib.apk); 7380 } 7381 } 7382 return null; 7383 } 7384 7385 public void shutdown() { 7386 mPackageUsage.writeNow(mPackages); 7387 mCompilerStats.writeNow(); 7388 } 7389 7390 @Override 7391 public void dumpProfiles(String packageName) { 7392 PackageParser.Package pkg; 7393 synchronized (mPackages) { 7394 pkg = mPackages.get(packageName); 7395 if (pkg == null) { 7396 throw new IllegalArgumentException("Unknown package: " + packageName); 7397 } 7398 } 7399 /* Only the shell, root, or the app user should be able to dump profiles. */ 7400 int callingUid = Binder.getCallingUid(); 7401 if (callingUid != Process.SHELL_UID && 7402 callingUid != Process.ROOT_UID && 7403 callingUid != pkg.applicationInfo.uid) { 7404 throw new SecurityException("dumpProfiles"); 7405 } 7406 7407 synchronized (mInstallLock) { 7408 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7409 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7410 try { 7411 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7412 String gid = Integer.toString(sharedGid); 7413 String codePaths = TextUtils.join(";", allCodePaths); 7414 mInstaller.dumpProfiles(gid, packageName, codePaths); 7415 } catch (InstallerException e) { 7416 Slog.w(TAG, "Failed to dump profiles", e); 7417 } 7418 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7419 } 7420 } 7421 7422 @Override 7423 public void forceDexOpt(String packageName) { 7424 enforceSystemOrRoot("forceDexOpt"); 7425 7426 PackageParser.Package pkg; 7427 synchronized (mPackages) { 7428 pkg = mPackages.get(packageName); 7429 if (pkg == null) { 7430 throw new IllegalArgumentException("Unknown package: " + packageName); 7431 } 7432 } 7433 7434 synchronized (mInstallLock) { 7435 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7436 7437 // Whoever is calling forceDexOpt wants a fully compiled package. 7438 // Don't use profiles since that may cause compilation to be skipped. 7439 final int res = performDexOptInternalWithDependenciesLI(pkg, 7440 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7441 true /* force */); 7442 7443 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7444 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7445 throw new IllegalStateException("Failed to dexopt: " + res); 7446 } 7447 } 7448 } 7449 7450 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7451 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7452 Slog.w(TAG, "Unable to update from " + oldPkg.name 7453 + " to " + newPkg.packageName 7454 + ": old package not in system partition"); 7455 return false; 7456 } else if (mPackages.get(oldPkg.name) != null) { 7457 Slog.w(TAG, "Unable to update from " + oldPkg.name 7458 + " to " + newPkg.packageName 7459 + ": old package still exists"); 7460 return false; 7461 } 7462 return true; 7463 } 7464 7465 void removeCodePathLI(File codePath) { 7466 if (codePath.isDirectory()) { 7467 try { 7468 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7469 } catch (InstallerException e) { 7470 Slog.w(TAG, "Failed to remove code path", e); 7471 } 7472 } else { 7473 codePath.delete(); 7474 } 7475 } 7476 7477 private int[] resolveUserIds(int userId) { 7478 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7479 } 7480 7481 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7482 if (pkg == null) { 7483 Slog.wtf(TAG, "Package was null!", new Throwable()); 7484 return; 7485 } 7486 clearAppDataLeafLIF(pkg, userId, flags); 7487 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7488 for (int i = 0; i < childCount; i++) { 7489 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7490 } 7491 } 7492 7493 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7494 final PackageSetting ps; 7495 synchronized (mPackages) { 7496 ps = mSettings.mPackages.get(pkg.packageName); 7497 } 7498 for (int realUserId : resolveUserIds(userId)) { 7499 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7500 try { 7501 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7502 ceDataInode); 7503 } catch (InstallerException e) { 7504 Slog.w(TAG, String.valueOf(e)); 7505 } 7506 } 7507 } 7508 7509 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7510 if (pkg == null) { 7511 Slog.wtf(TAG, "Package was null!", new Throwable()); 7512 return; 7513 } 7514 destroyAppDataLeafLIF(pkg, userId, flags); 7515 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7516 for (int i = 0; i < childCount; i++) { 7517 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7518 } 7519 } 7520 7521 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7522 final PackageSetting ps; 7523 synchronized (mPackages) { 7524 ps = mSettings.mPackages.get(pkg.packageName); 7525 } 7526 for (int realUserId : resolveUserIds(userId)) { 7527 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7528 try { 7529 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7530 ceDataInode); 7531 } catch (InstallerException e) { 7532 Slog.w(TAG, String.valueOf(e)); 7533 } 7534 } 7535 } 7536 7537 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7538 if (pkg == null) { 7539 Slog.wtf(TAG, "Package was null!", new Throwable()); 7540 return; 7541 } 7542 destroyAppProfilesLeafLIF(pkg); 7543 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7544 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7545 for (int i = 0; i < childCount; i++) { 7546 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7547 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7548 true /* removeBaseMarker */); 7549 } 7550 } 7551 7552 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7553 boolean removeBaseMarker) { 7554 if (pkg.isForwardLocked()) { 7555 return; 7556 } 7557 7558 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7559 try { 7560 path = PackageManagerServiceUtils.realpath(new File(path)); 7561 } catch (IOException e) { 7562 // TODO: Should we return early here ? 7563 Slog.w(TAG, "Failed to get canonical path", e); 7564 continue; 7565 } 7566 7567 final String useMarker = path.replace('/', '@'); 7568 for (int realUserId : resolveUserIds(userId)) { 7569 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7570 if (removeBaseMarker) { 7571 File foreignUseMark = new File(profileDir, useMarker); 7572 if (foreignUseMark.exists()) { 7573 if (!foreignUseMark.delete()) { 7574 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7575 + pkg.packageName); 7576 } 7577 } 7578 } 7579 7580 File[] markers = profileDir.listFiles(); 7581 if (markers != null) { 7582 final String searchString = "@" + pkg.packageName + "@"; 7583 // We also delete all markers that contain the package name we're 7584 // uninstalling. These are associated with secondary dex-files belonging 7585 // to the package. Reconstructing the path of these dex files is messy 7586 // in general. 7587 for (File marker : markers) { 7588 if (marker.getName().indexOf(searchString) > 0) { 7589 if (!marker.delete()) { 7590 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7591 + pkg.packageName); 7592 } 7593 } 7594 } 7595 } 7596 } 7597 } 7598 } 7599 7600 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7601 try { 7602 mInstaller.destroyAppProfiles(pkg.packageName); 7603 } catch (InstallerException e) { 7604 Slog.w(TAG, String.valueOf(e)); 7605 } 7606 } 7607 7608 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7609 if (pkg == null) { 7610 Slog.wtf(TAG, "Package was null!", new Throwable()); 7611 return; 7612 } 7613 clearAppProfilesLeafLIF(pkg); 7614 // We don't remove the base foreign use marker when clearing profiles because 7615 // we will rename it when the app is updated. Unlike the actual profile contents, 7616 // the foreign use marker is good across installs. 7617 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7618 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7619 for (int i = 0; i < childCount; i++) { 7620 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7621 } 7622 } 7623 7624 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7625 try { 7626 mInstaller.clearAppProfiles(pkg.packageName); 7627 } catch (InstallerException e) { 7628 Slog.w(TAG, String.valueOf(e)); 7629 } 7630 } 7631 7632 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7633 long lastUpdateTime) { 7634 // Set parent install/update time 7635 PackageSetting ps = (PackageSetting) pkg.mExtras; 7636 if (ps != null) { 7637 ps.firstInstallTime = firstInstallTime; 7638 ps.lastUpdateTime = lastUpdateTime; 7639 } 7640 // Set children install/update time 7641 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7642 for (int i = 0; i < childCount; i++) { 7643 PackageParser.Package childPkg = pkg.childPackages.get(i); 7644 ps = (PackageSetting) childPkg.mExtras; 7645 if (ps != null) { 7646 ps.firstInstallTime = firstInstallTime; 7647 ps.lastUpdateTime = lastUpdateTime; 7648 } 7649 } 7650 } 7651 7652 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7653 PackageParser.Package changingLib) { 7654 if (file.path != null) { 7655 usesLibraryFiles.add(file.path); 7656 return; 7657 } 7658 PackageParser.Package p = mPackages.get(file.apk); 7659 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7660 // If we are doing this while in the middle of updating a library apk, 7661 // then we need to make sure to use that new apk for determining the 7662 // dependencies here. (We haven't yet finished committing the new apk 7663 // to the package manager state.) 7664 if (p == null || p.packageName.equals(changingLib.packageName)) { 7665 p = changingLib; 7666 } 7667 } 7668 if (p != null) { 7669 usesLibraryFiles.addAll(p.getAllCodePaths()); 7670 } 7671 } 7672 7673 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7674 PackageParser.Package changingLib) throws PackageManagerException { 7675 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7676 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7677 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7678 for (int i=0; i<N; i++) { 7679 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7680 if (file == null) { 7681 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7682 "Package " + pkg.packageName + " requires unavailable shared library " 7683 + pkg.usesLibraries.get(i) + "; failing!"); 7684 } 7685 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7686 } 7687 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7688 for (int i=0; i<N; i++) { 7689 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7690 if (file == null) { 7691 Slog.w(TAG, "Package " + pkg.packageName 7692 + " desires unavailable shared library " 7693 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7694 } else { 7695 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7696 } 7697 } 7698 N = usesLibraryFiles.size(); 7699 if (N > 0) { 7700 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7701 } else { 7702 pkg.usesLibraryFiles = null; 7703 } 7704 } 7705 } 7706 7707 private static boolean hasString(List<String> list, List<String> which) { 7708 if (list == null) { 7709 return false; 7710 } 7711 for (int i=list.size()-1; i>=0; i--) { 7712 for (int j=which.size()-1; j>=0; j--) { 7713 if (which.get(j).equals(list.get(i))) { 7714 return true; 7715 } 7716 } 7717 } 7718 return false; 7719 } 7720 7721 private void updateAllSharedLibrariesLPw() { 7722 for (PackageParser.Package pkg : mPackages.values()) { 7723 try { 7724 updateSharedLibrariesLPw(pkg, null); 7725 } catch (PackageManagerException e) { 7726 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7727 } 7728 } 7729 } 7730 7731 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7732 PackageParser.Package changingPkg) { 7733 ArrayList<PackageParser.Package> res = null; 7734 for (PackageParser.Package pkg : mPackages.values()) { 7735 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7736 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7737 if (res == null) { 7738 res = new ArrayList<PackageParser.Package>(); 7739 } 7740 res.add(pkg); 7741 try { 7742 updateSharedLibrariesLPw(pkg, changingPkg); 7743 } catch (PackageManagerException e) { 7744 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7745 } 7746 } 7747 } 7748 return res; 7749 } 7750 7751 /** 7752 * Derive the value of the {@code cpuAbiOverride} based on the provided 7753 * value and an optional stored value from the package settings. 7754 */ 7755 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7756 String cpuAbiOverride = null; 7757 7758 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7759 cpuAbiOverride = null; 7760 } else if (abiOverride != null) { 7761 cpuAbiOverride = abiOverride; 7762 } else if (settings != null) { 7763 cpuAbiOverride = settings.cpuAbiOverrideString; 7764 } 7765 7766 return cpuAbiOverride; 7767 } 7768 7769 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7770 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7771 throws PackageManagerException { 7772 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7773 // If the package has children and this is the first dive in the function 7774 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7775 // whether all packages (parent and children) would be successfully scanned 7776 // before the actual scan since scanning mutates internal state and we want 7777 // to atomically install the package and its children. 7778 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7779 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7780 scanFlags |= SCAN_CHECK_ONLY; 7781 } 7782 } else { 7783 scanFlags &= ~SCAN_CHECK_ONLY; 7784 } 7785 7786 final PackageParser.Package scannedPkg; 7787 try { 7788 // Scan the parent 7789 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7790 // Scan the children 7791 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7792 for (int i = 0; i < childCount; i++) { 7793 PackageParser.Package childPkg = pkg.childPackages.get(i); 7794 scanPackageLI(childPkg, policyFlags, 7795 scanFlags, currentTime, user); 7796 } 7797 } finally { 7798 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7799 } 7800 7801 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7802 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7803 } 7804 7805 return scannedPkg; 7806 } 7807 7808 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7809 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7810 boolean success = false; 7811 try { 7812 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7813 currentTime, user); 7814 success = true; 7815 return res; 7816 } finally { 7817 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7818 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7819 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7820 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7821 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7822 } 7823 } 7824 } 7825 7826 /** 7827 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7828 */ 7829 private static boolean apkHasCode(String fileName) { 7830 StrictJarFile jarFile = null; 7831 try { 7832 jarFile = new StrictJarFile(fileName, 7833 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7834 return jarFile.findEntry("classes.dex") != null; 7835 } catch (IOException ignore) { 7836 } finally { 7837 try { 7838 if (jarFile != null) { 7839 jarFile.close(); 7840 } 7841 } catch (IOException ignore) {} 7842 } 7843 return false; 7844 } 7845 7846 /** 7847 * Enforces code policy for the package. This ensures that if an APK has 7848 * declared hasCode="true" in its manifest that the APK actually contains 7849 * code. 7850 * 7851 * @throws PackageManagerException If bytecode could not be found when it should exist 7852 */ 7853 private static void enforceCodePolicy(PackageParser.Package pkg) 7854 throws PackageManagerException { 7855 final boolean shouldHaveCode = 7856 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7857 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7858 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7859 "Package " + pkg.baseCodePath + " code is missing"); 7860 } 7861 7862 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7863 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7864 final boolean splitShouldHaveCode = 7865 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7866 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7867 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7868 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7869 } 7870 } 7871 } 7872 } 7873 7874 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7875 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7876 throws PackageManagerException { 7877 final File scanFile = new File(pkg.codePath); 7878 if (pkg.applicationInfo.getCodePath() == null || 7879 pkg.applicationInfo.getResourcePath() == null) { 7880 // Bail out. The resource and code paths haven't been set. 7881 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7882 "Code and resource paths haven't been set correctly"); 7883 } 7884 7885 // Apply policy 7886 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7887 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7888 if (pkg.applicationInfo.isDirectBootAware()) { 7889 // we're direct boot aware; set for all components 7890 for (PackageParser.Service s : pkg.services) { 7891 s.info.encryptionAware = s.info.directBootAware = true; 7892 } 7893 for (PackageParser.Provider p : pkg.providers) { 7894 p.info.encryptionAware = p.info.directBootAware = true; 7895 } 7896 for (PackageParser.Activity a : pkg.activities) { 7897 a.info.encryptionAware = a.info.directBootAware = true; 7898 } 7899 for (PackageParser.Activity r : pkg.receivers) { 7900 r.info.encryptionAware = r.info.directBootAware = true; 7901 } 7902 } 7903 } else { 7904 // Only allow system apps to be flagged as core apps. 7905 pkg.coreApp = false; 7906 // clear flags not applicable to regular apps 7907 pkg.applicationInfo.privateFlags &= 7908 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7909 pkg.applicationInfo.privateFlags &= 7910 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7911 } 7912 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7913 7914 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7915 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7916 } 7917 7918 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7919 enforceCodePolicy(pkg); 7920 } 7921 7922 if (mCustomResolverComponentName != null && 7923 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7924 setUpCustomResolverActivity(pkg); 7925 } 7926 7927 if (pkg.packageName.equals("android")) { 7928 synchronized (mPackages) { 7929 if (mAndroidApplication != null) { 7930 Slog.w(TAG, "*************************************************"); 7931 Slog.w(TAG, "Core android package being redefined. Skipping."); 7932 Slog.w(TAG, " file=" + scanFile); 7933 Slog.w(TAG, "*************************************************"); 7934 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7935 "Core android package being redefined. Skipping."); 7936 } 7937 7938 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7939 // Set up information for our fall-back user intent resolution activity. 7940 mPlatformPackage = pkg; 7941 pkg.mVersionCode = mSdkVersion; 7942 mAndroidApplication = pkg.applicationInfo; 7943 7944 if (!mResolverReplaced) { 7945 mResolveActivity.applicationInfo = mAndroidApplication; 7946 mResolveActivity.name = ResolverActivity.class.getName(); 7947 mResolveActivity.packageName = mAndroidApplication.packageName; 7948 mResolveActivity.processName = "system:ui"; 7949 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7950 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7951 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7952 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7953 mResolveActivity.exported = true; 7954 mResolveActivity.enabled = true; 7955 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7956 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7957 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7958 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7959 | ActivityInfo.CONFIG_ORIENTATION 7960 | ActivityInfo.CONFIG_KEYBOARD 7961 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7962 mResolveInfo.activityInfo = mResolveActivity; 7963 mResolveInfo.priority = 0; 7964 mResolveInfo.preferredOrder = 0; 7965 mResolveInfo.match = 0; 7966 mResolveComponentName = new ComponentName( 7967 mAndroidApplication.packageName, mResolveActivity.name); 7968 } 7969 } 7970 } 7971 } 7972 7973 if (DEBUG_PACKAGE_SCANNING) { 7974 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7975 Log.d(TAG, "Scanning package " + pkg.packageName); 7976 } 7977 7978 synchronized (mPackages) { 7979 if (mPackages.containsKey(pkg.packageName) 7980 || mSharedLibraries.containsKey(pkg.packageName)) { 7981 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7982 "Application package " + pkg.packageName 7983 + " already installed. Skipping duplicate."); 7984 } 7985 7986 // If we're only installing presumed-existing packages, require that the 7987 // scanned APK is both already known and at the path previously established 7988 // for it. Previously unknown packages we pick up normally, but if we have an 7989 // a priori expectation about this package's install presence, enforce it. 7990 // With a singular exception for new system packages. When an OTA contains 7991 // a new system package, we allow the codepath to change from a system location 7992 // to the user-installed location. If we don't allow this change, any newer, 7993 // user-installed version of the application will be ignored. 7994 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7995 if (mExpectingBetter.containsKey(pkg.packageName)) { 7996 logCriticalInfo(Log.WARN, 7997 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7998 } else { 7999 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8000 if (known != null) { 8001 if (DEBUG_PACKAGE_SCANNING) { 8002 Log.d(TAG, "Examining " + pkg.codePath 8003 + " and requiring known paths " + known.codePathString 8004 + " & " + known.resourcePathString); 8005 } 8006 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8007 || !pkg.applicationInfo.getResourcePath().equals( 8008 known.resourcePathString)) { 8009 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8010 "Application package " + pkg.packageName 8011 + " found at " + pkg.applicationInfo.getCodePath() 8012 + " but expected at " + known.codePathString 8013 + "; ignoring."); 8014 } 8015 } 8016 } 8017 } 8018 } 8019 8020 // Initialize package source and resource directories 8021 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8022 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8023 8024 SharedUserSetting suid = null; 8025 PackageSetting pkgSetting = null; 8026 8027 if (!isSystemApp(pkg)) { 8028 // Only system apps can use these features. 8029 pkg.mOriginalPackages = null; 8030 pkg.mRealPackage = null; 8031 pkg.mAdoptPermissions = null; 8032 } 8033 8034 // Getting the package setting may have a side-effect, so if we 8035 // are only checking if scan would succeed, stash a copy of the 8036 // old setting to restore at the end. 8037 PackageSetting nonMutatedPs = null; 8038 8039 // writer 8040 synchronized (mPackages) { 8041 if (pkg.mSharedUserId != null) { 8042 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8043 if (suid == null) { 8044 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8045 "Creating application package " + pkg.packageName 8046 + " for shared user failed"); 8047 } 8048 if (DEBUG_PACKAGE_SCANNING) { 8049 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8050 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8051 + "): packages=" + suid.packages); 8052 } 8053 } 8054 8055 // Check if we are renaming from an original package name. 8056 PackageSetting origPackage = null; 8057 String realName = null; 8058 if (pkg.mOriginalPackages != null) { 8059 // This package may need to be renamed to a previously 8060 // installed name. Let's check on that... 8061 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8062 if (pkg.mOriginalPackages.contains(renamed)) { 8063 // This package had originally been installed as the 8064 // original name, and we have already taken care of 8065 // transitioning to the new one. Just update the new 8066 // one to continue using the old name. 8067 realName = pkg.mRealPackage; 8068 if (!pkg.packageName.equals(renamed)) { 8069 // Callers into this function may have already taken 8070 // care of renaming the package; only do it here if 8071 // it is not already done. 8072 pkg.setPackageName(renamed); 8073 } 8074 8075 } else { 8076 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8077 if ((origPackage = mSettings.peekPackageLPr( 8078 pkg.mOriginalPackages.get(i))) != null) { 8079 // We do have the package already installed under its 8080 // original name... should we use it? 8081 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8082 // New package is not compatible with original. 8083 origPackage = null; 8084 continue; 8085 } else if (origPackage.sharedUser != null) { 8086 // Make sure uid is compatible between packages. 8087 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8088 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8089 + " to " + pkg.packageName + ": old uid " 8090 + origPackage.sharedUser.name 8091 + " differs from " + pkg.mSharedUserId); 8092 origPackage = null; 8093 continue; 8094 } 8095 // TODO: Add case when shared user id is added [b/28144775] 8096 } else { 8097 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8098 + pkg.packageName + " to old name " + origPackage.name); 8099 } 8100 break; 8101 } 8102 } 8103 } 8104 } 8105 8106 if (mTransferedPackages.contains(pkg.packageName)) { 8107 Slog.w(TAG, "Package " + pkg.packageName 8108 + " was transferred to another, but its .apk remains"); 8109 } 8110 8111 // See comments in nonMutatedPs declaration 8112 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8113 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8114 if (foundPs != null) { 8115 nonMutatedPs = new PackageSetting(foundPs); 8116 } 8117 } 8118 8119 // Just create the setting, don't add it yet. For already existing packages 8120 // the PkgSetting exists already and doesn't have to be created. 8121 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8122 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8123 pkg.applicationInfo.primaryCpuAbi, 8124 pkg.applicationInfo.secondaryCpuAbi, 8125 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8126 user, false); 8127 if (pkgSetting == null) { 8128 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8129 "Creating application package " + pkg.packageName + " failed"); 8130 } 8131 8132 if (pkgSetting.origPackage != null) { 8133 // If we are first transitioning from an original package, 8134 // fix up the new package's name now. We need to do this after 8135 // looking up the package under its new name, so getPackageLP 8136 // can take care of fiddling things correctly. 8137 pkg.setPackageName(origPackage.name); 8138 8139 // File a report about this. 8140 String msg = "New package " + pkgSetting.realName 8141 + " renamed to replace old package " + pkgSetting.name; 8142 reportSettingsProblem(Log.WARN, msg); 8143 8144 // Make a note of it. 8145 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8146 mTransferedPackages.add(origPackage.name); 8147 } 8148 8149 // No longer need to retain this. 8150 pkgSetting.origPackage = null; 8151 } 8152 8153 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8154 // Make a note of it. 8155 mTransferedPackages.add(pkg.packageName); 8156 } 8157 8158 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8159 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8160 } 8161 8162 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8163 // Check all shared libraries and map to their actual file path. 8164 // We only do this here for apps not on a system dir, because those 8165 // are the only ones that can fail an install due to this. We 8166 // will take care of the system apps by updating all of their 8167 // library paths after the scan is done. 8168 updateSharedLibrariesLPw(pkg, null); 8169 } 8170 8171 if (mFoundPolicyFile) { 8172 SELinuxMMAC.assignSeinfoValue(pkg); 8173 } 8174 8175 pkg.applicationInfo.uid = pkgSetting.appId; 8176 pkg.mExtras = pkgSetting; 8177 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8178 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8179 // We just determined the app is signed correctly, so bring 8180 // over the latest parsed certs. 8181 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8182 } else { 8183 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8184 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8185 "Package " + pkg.packageName + " upgrade keys do not match the " 8186 + "previously installed version"); 8187 } else { 8188 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8189 String msg = "System package " + pkg.packageName 8190 + " signature changed; retaining data."; 8191 reportSettingsProblem(Log.WARN, msg); 8192 } 8193 } 8194 } else { 8195 try { 8196 verifySignaturesLP(pkgSetting, pkg); 8197 // We just determined the app is signed correctly, so bring 8198 // over the latest parsed certs. 8199 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8200 } catch (PackageManagerException e) { 8201 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8202 throw e; 8203 } 8204 // The signature has changed, but this package is in the system 8205 // image... let's recover! 8206 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8207 // However... if this package is part of a shared user, but it 8208 // doesn't match the signature of the shared user, let's fail. 8209 // What this means is that you can't change the signatures 8210 // associated with an overall shared user, which doesn't seem all 8211 // that unreasonable. 8212 if (pkgSetting.sharedUser != null) { 8213 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8214 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8215 throw new PackageManagerException( 8216 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8217 "Signature mismatch for shared user: " 8218 + pkgSetting.sharedUser); 8219 } 8220 } 8221 // File a report about this. 8222 String msg = "System package " + pkg.packageName 8223 + " signature changed; retaining data."; 8224 reportSettingsProblem(Log.WARN, msg); 8225 } 8226 } 8227 // Verify that this new package doesn't have any content providers 8228 // that conflict with existing packages. Only do this if the 8229 // package isn't already installed, since we don't want to break 8230 // things that are installed. 8231 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8232 final int N = pkg.providers.size(); 8233 int i; 8234 for (i=0; i<N; i++) { 8235 PackageParser.Provider p = pkg.providers.get(i); 8236 if (p.info.authority != null) { 8237 String names[] = p.info.authority.split(";"); 8238 for (int j = 0; j < names.length; j++) { 8239 if (mProvidersByAuthority.containsKey(names[j])) { 8240 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8241 final String otherPackageName = 8242 ((other != null && other.getComponentName() != null) ? 8243 other.getComponentName().getPackageName() : "?"); 8244 throw new PackageManagerException( 8245 INSTALL_FAILED_CONFLICTING_PROVIDER, 8246 "Can't install because provider name " + names[j] 8247 + " (in package " + pkg.applicationInfo.packageName 8248 + ") is already used by " + otherPackageName); 8249 } 8250 } 8251 } 8252 } 8253 } 8254 8255 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8256 // This package wants to adopt ownership of permissions from 8257 // another package. 8258 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8259 final String origName = pkg.mAdoptPermissions.get(i); 8260 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8261 if (orig != null) { 8262 if (verifyPackageUpdateLPr(orig, pkg)) { 8263 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8264 + pkg.packageName); 8265 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8266 } 8267 } 8268 } 8269 } 8270 } 8271 8272 final String pkgName = pkg.packageName; 8273 8274 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8275 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8276 pkg.applicationInfo.processName = fixProcessName( 8277 pkg.applicationInfo.packageName, 8278 pkg.applicationInfo.processName, 8279 pkg.applicationInfo.uid); 8280 8281 if (pkg != mPlatformPackage) { 8282 // Get all of our default paths setup 8283 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8284 } 8285 8286 final String path = scanFile.getPath(); 8287 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8288 8289 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8290 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8291 8292 // Some system apps still use directory structure for native libraries 8293 // in which case we might end up not detecting abi solely based on apk 8294 // structure. Try to detect abi based on directory structure. 8295 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8296 pkg.applicationInfo.primaryCpuAbi == null) { 8297 setBundledAppAbisAndRoots(pkg, pkgSetting); 8298 setNativeLibraryPaths(pkg); 8299 } 8300 8301 } else { 8302 if ((scanFlags & SCAN_MOVE) != 0) { 8303 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8304 // but we already have this packages package info in the PackageSetting. We just 8305 // use that and derive the native library path based on the new codepath. 8306 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8307 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8308 } 8309 8310 // Set native library paths again. For moves, the path will be updated based on the 8311 // ABIs we've determined above. For non-moves, the path will be updated based on the 8312 // ABIs we determined during compilation, but the path will depend on the final 8313 // package path (after the rename away from the stage path). 8314 setNativeLibraryPaths(pkg); 8315 } 8316 8317 // This is a special case for the "system" package, where the ABI is 8318 // dictated by the zygote configuration (and init.rc). We should keep track 8319 // of this ABI so that we can deal with "normal" applications that run under 8320 // the same UID correctly. 8321 if (mPlatformPackage == pkg) { 8322 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8323 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8324 } 8325 8326 // If there's a mismatch between the abi-override in the package setting 8327 // and the abiOverride specified for the install. Warn about this because we 8328 // would've already compiled the app without taking the package setting into 8329 // account. 8330 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8331 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8332 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8333 " for package " + pkg.packageName); 8334 } 8335 } 8336 8337 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8338 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8339 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8340 8341 // Copy the derived override back to the parsed package, so that we can 8342 // update the package settings accordingly. 8343 pkg.cpuAbiOverride = cpuAbiOverride; 8344 8345 if (DEBUG_ABI_SELECTION) { 8346 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8347 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8348 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8349 } 8350 8351 // Push the derived path down into PackageSettings so we know what to 8352 // clean up at uninstall time. 8353 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8354 8355 if (DEBUG_ABI_SELECTION) { 8356 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8357 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8358 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8359 } 8360 8361 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8362 // We don't do this here during boot because we can do it all 8363 // at once after scanning all existing packages. 8364 // 8365 // We also do this *before* we perform dexopt on this package, so that 8366 // we can avoid redundant dexopts, and also to make sure we've got the 8367 // code and package path correct. 8368 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8369 pkg, true /* boot complete */); 8370 } 8371 8372 if (mFactoryTest && pkg.requestedPermissions.contains( 8373 android.Manifest.permission.FACTORY_TEST)) { 8374 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8375 } 8376 8377 ArrayList<PackageParser.Package> clientLibPkgs = null; 8378 8379 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8380 if (nonMutatedPs != null) { 8381 synchronized (mPackages) { 8382 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8383 } 8384 } 8385 return pkg; 8386 } 8387 8388 // Only privileged apps and updated privileged apps can add child packages. 8389 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8390 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8391 throw new PackageManagerException("Only privileged apps and updated " 8392 + "privileged apps can add child packages. Ignoring package " 8393 + pkg.packageName); 8394 } 8395 final int childCount = pkg.childPackages.size(); 8396 for (int i = 0; i < childCount; i++) { 8397 PackageParser.Package childPkg = pkg.childPackages.get(i); 8398 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8399 childPkg.packageName)) { 8400 throw new PackageManagerException("Cannot override a child package of " 8401 + "another disabled system app. Ignoring package " + pkg.packageName); 8402 } 8403 } 8404 } 8405 8406 // writer 8407 synchronized (mPackages) { 8408 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8409 // Only system apps can add new shared libraries. 8410 if (pkg.libraryNames != null) { 8411 for (int i=0; i<pkg.libraryNames.size(); i++) { 8412 String name = pkg.libraryNames.get(i); 8413 boolean allowed = false; 8414 if (pkg.isUpdatedSystemApp()) { 8415 // New library entries can only be added through the 8416 // system image. This is important to get rid of a lot 8417 // of nasty edge cases: for example if we allowed a non- 8418 // system update of the app to add a library, then uninstalling 8419 // the update would make the library go away, and assumptions 8420 // we made such as through app install filtering would now 8421 // have allowed apps on the device which aren't compatible 8422 // with it. Better to just have the restriction here, be 8423 // conservative, and create many fewer cases that can negatively 8424 // impact the user experience. 8425 final PackageSetting sysPs = mSettings 8426 .getDisabledSystemPkgLPr(pkg.packageName); 8427 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8428 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8429 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8430 allowed = true; 8431 break; 8432 } 8433 } 8434 } 8435 } else { 8436 allowed = true; 8437 } 8438 if (allowed) { 8439 if (!mSharedLibraries.containsKey(name)) { 8440 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8441 } else if (!name.equals(pkg.packageName)) { 8442 Slog.w(TAG, "Package " + pkg.packageName + " library " 8443 + name + " already exists; skipping"); 8444 } 8445 } else { 8446 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8447 + name + " that is not declared on system image; skipping"); 8448 } 8449 } 8450 if ((scanFlags & SCAN_BOOTING) == 0) { 8451 // If we are not booting, we need to update any applications 8452 // that are clients of our shared library. If we are booting, 8453 // this will all be done once the scan is complete. 8454 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8455 } 8456 } 8457 } 8458 } 8459 8460 if ((scanFlags & SCAN_BOOTING) != 0) { 8461 // No apps can run during boot scan, so they don't need to be frozen 8462 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8463 // Caller asked to not kill app, so it's probably not frozen 8464 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8465 // Caller asked us to ignore frozen check for some reason; they 8466 // probably didn't know the package name 8467 } else { 8468 // We're doing major surgery on this package, so it better be frozen 8469 // right now to keep it from launching 8470 checkPackageFrozen(pkgName); 8471 } 8472 8473 // Also need to kill any apps that are dependent on the library. 8474 if (clientLibPkgs != null) { 8475 for (int i=0; i<clientLibPkgs.size(); i++) { 8476 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8477 killApplication(clientPkg.applicationInfo.packageName, 8478 clientPkg.applicationInfo.uid, "update lib"); 8479 } 8480 } 8481 8482 // Make sure we're not adding any bogus keyset info 8483 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8484 ksms.assertScannedPackageValid(pkg); 8485 8486 // writer 8487 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8488 8489 boolean createIdmapFailed = false; 8490 synchronized (mPackages) { 8491 // We don't expect installation to fail beyond this point 8492 8493 if (pkgSetting.pkg != null) { 8494 // Note that |user| might be null during the initial boot scan. If a codePath 8495 // for an app has changed during a boot scan, it's due to an app update that's 8496 // part of the system partition and marker changes must be applied to all users. 8497 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8498 (user != null) ? user : UserHandle.ALL); 8499 } 8500 8501 // Add the new setting to mSettings 8502 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8503 // Add the new setting to mPackages 8504 mPackages.put(pkg.applicationInfo.packageName, pkg); 8505 // Make sure we don't accidentally delete its data. 8506 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8507 while (iter.hasNext()) { 8508 PackageCleanItem item = iter.next(); 8509 if (pkgName.equals(item.packageName)) { 8510 iter.remove(); 8511 } 8512 } 8513 8514 // Take care of first install / last update times. 8515 if (currentTime != 0) { 8516 if (pkgSetting.firstInstallTime == 0) { 8517 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8518 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8519 pkgSetting.lastUpdateTime = currentTime; 8520 } 8521 } else if (pkgSetting.firstInstallTime == 0) { 8522 // We need *something*. Take time time stamp of the file. 8523 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8524 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8525 if (scanFileTime != pkgSetting.timeStamp) { 8526 // A package on the system image has changed; consider this 8527 // to be an update. 8528 pkgSetting.lastUpdateTime = scanFileTime; 8529 } 8530 } 8531 8532 // Add the package's KeySets to the global KeySetManagerService 8533 ksms.addScannedPackageLPw(pkg); 8534 8535 int N = pkg.providers.size(); 8536 StringBuilder r = null; 8537 int i; 8538 for (i=0; i<N; i++) { 8539 PackageParser.Provider p = pkg.providers.get(i); 8540 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8541 p.info.processName, pkg.applicationInfo.uid); 8542 mProviders.addProvider(p); 8543 p.syncable = p.info.isSyncable; 8544 if (p.info.authority != null) { 8545 String names[] = p.info.authority.split(";"); 8546 p.info.authority = null; 8547 for (int j = 0; j < names.length; j++) { 8548 if (j == 1 && p.syncable) { 8549 // We only want the first authority for a provider to possibly be 8550 // syncable, so if we already added this provider using a different 8551 // authority clear the syncable flag. We copy the provider before 8552 // changing it because the mProviders object contains a reference 8553 // to a provider that we don't want to change. 8554 // Only do this for the second authority since the resulting provider 8555 // object can be the same for all future authorities for this provider. 8556 p = new PackageParser.Provider(p); 8557 p.syncable = false; 8558 } 8559 if (!mProvidersByAuthority.containsKey(names[j])) { 8560 mProvidersByAuthority.put(names[j], p); 8561 if (p.info.authority == null) { 8562 p.info.authority = names[j]; 8563 } else { 8564 p.info.authority = p.info.authority + ";" + names[j]; 8565 } 8566 if (DEBUG_PACKAGE_SCANNING) { 8567 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8568 Log.d(TAG, "Registered content provider: " + names[j] 8569 + ", className = " + p.info.name + ", isSyncable = " 8570 + p.info.isSyncable); 8571 } 8572 } else { 8573 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8574 Slog.w(TAG, "Skipping provider name " + names[j] + 8575 " (in package " + pkg.applicationInfo.packageName + 8576 "): name already used by " 8577 + ((other != null && other.getComponentName() != null) 8578 ? other.getComponentName().getPackageName() : "?")); 8579 } 8580 } 8581 } 8582 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8583 if (r == null) { 8584 r = new StringBuilder(256); 8585 } else { 8586 r.append(' '); 8587 } 8588 r.append(p.info.name); 8589 } 8590 } 8591 if (r != null) { 8592 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8593 } 8594 8595 N = pkg.services.size(); 8596 r = null; 8597 for (i=0; i<N; i++) { 8598 PackageParser.Service s = pkg.services.get(i); 8599 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8600 s.info.processName, pkg.applicationInfo.uid); 8601 mServices.addService(s); 8602 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8603 if (r == null) { 8604 r = new StringBuilder(256); 8605 } else { 8606 r.append(' '); 8607 } 8608 r.append(s.info.name); 8609 } 8610 } 8611 if (r != null) { 8612 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8613 } 8614 8615 N = pkg.receivers.size(); 8616 r = null; 8617 for (i=0; i<N; i++) { 8618 PackageParser.Activity a = pkg.receivers.get(i); 8619 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8620 a.info.processName, pkg.applicationInfo.uid); 8621 mReceivers.addActivity(a, "receiver"); 8622 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8623 if (r == null) { 8624 r = new StringBuilder(256); 8625 } else { 8626 r.append(' '); 8627 } 8628 r.append(a.info.name); 8629 } 8630 } 8631 if (r != null) { 8632 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8633 } 8634 8635 N = pkg.activities.size(); 8636 r = null; 8637 for (i=0; i<N; i++) { 8638 PackageParser.Activity a = pkg.activities.get(i); 8639 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8640 a.info.processName, pkg.applicationInfo.uid); 8641 mActivities.addActivity(a, "activity"); 8642 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8643 if (r == null) { 8644 r = new StringBuilder(256); 8645 } else { 8646 r.append(' '); 8647 } 8648 r.append(a.info.name); 8649 } 8650 } 8651 if (r != null) { 8652 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8653 } 8654 8655 N = pkg.permissionGroups.size(); 8656 r = null; 8657 for (i=0; i<N; i++) { 8658 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8659 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8660 if (cur == null) { 8661 mPermissionGroups.put(pg.info.name, pg); 8662 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8663 if (r == null) { 8664 r = new StringBuilder(256); 8665 } else { 8666 r.append(' '); 8667 } 8668 r.append(pg.info.name); 8669 } 8670 } else { 8671 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8672 + pg.info.packageName + " ignored: original from " 8673 + cur.info.packageName); 8674 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8675 if (r == null) { 8676 r = new StringBuilder(256); 8677 } else { 8678 r.append(' '); 8679 } 8680 r.append("DUP:"); 8681 r.append(pg.info.name); 8682 } 8683 } 8684 } 8685 if (r != null) { 8686 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8687 } 8688 8689 N = pkg.permissions.size(); 8690 r = null; 8691 for (i=0; i<N; i++) { 8692 PackageParser.Permission p = pkg.permissions.get(i); 8693 8694 // Assume by default that we did not install this permission into the system. 8695 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8696 8697 // Now that permission groups have a special meaning, we ignore permission 8698 // groups for legacy apps to prevent unexpected behavior. In particular, 8699 // permissions for one app being granted to someone just becase they happen 8700 // to be in a group defined by another app (before this had no implications). 8701 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8702 p.group = mPermissionGroups.get(p.info.group); 8703 // Warn for a permission in an unknown group. 8704 if (p.info.group != null && p.group == null) { 8705 Slog.w(TAG, "Permission " + p.info.name + " from package " 8706 + p.info.packageName + " in an unknown group " + p.info.group); 8707 } 8708 } 8709 8710 ArrayMap<String, BasePermission> permissionMap = 8711 p.tree ? mSettings.mPermissionTrees 8712 : mSettings.mPermissions; 8713 BasePermission bp = permissionMap.get(p.info.name); 8714 8715 // Allow system apps to redefine non-system permissions 8716 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8717 final boolean currentOwnerIsSystem = (bp.perm != null 8718 && isSystemApp(bp.perm.owner)); 8719 if (isSystemApp(p.owner)) { 8720 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8721 // It's a built-in permission and no owner, take ownership now 8722 bp.packageSetting = pkgSetting; 8723 bp.perm = p; 8724 bp.uid = pkg.applicationInfo.uid; 8725 bp.sourcePackage = p.info.packageName; 8726 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8727 } else if (!currentOwnerIsSystem) { 8728 String msg = "New decl " + p.owner + " of permission " 8729 + p.info.name + " is system; overriding " + bp.sourcePackage; 8730 reportSettingsProblem(Log.WARN, msg); 8731 bp = null; 8732 } 8733 } 8734 } 8735 8736 if (bp == null) { 8737 bp = new BasePermission(p.info.name, p.info.packageName, 8738 BasePermission.TYPE_NORMAL); 8739 permissionMap.put(p.info.name, bp); 8740 } 8741 8742 if (bp.perm == null) { 8743 if (bp.sourcePackage == null 8744 || bp.sourcePackage.equals(p.info.packageName)) { 8745 BasePermission tree = findPermissionTreeLP(p.info.name); 8746 if (tree == null 8747 || tree.sourcePackage.equals(p.info.packageName)) { 8748 bp.packageSetting = pkgSetting; 8749 bp.perm = p; 8750 bp.uid = pkg.applicationInfo.uid; 8751 bp.sourcePackage = p.info.packageName; 8752 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8753 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8754 if (r == null) { 8755 r = new StringBuilder(256); 8756 } else { 8757 r.append(' '); 8758 } 8759 r.append(p.info.name); 8760 } 8761 } else { 8762 Slog.w(TAG, "Permission " + p.info.name + " from package " 8763 + p.info.packageName + " ignored: base tree " 8764 + tree.name + " is from package " 8765 + tree.sourcePackage); 8766 } 8767 } else { 8768 Slog.w(TAG, "Permission " + p.info.name + " from package " 8769 + p.info.packageName + " ignored: original from " 8770 + bp.sourcePackage); 8771 } 8772 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8773 if (r == null) { 8774 r = new StringBuilder(256); 8775 } else { 8776 r.append(' '); 8777 } 8778 r.append("DUP:"); 8779 r.append(p.info.name); 8780 } 8781 if (bp.perm == p) { 8782 bp.protectionLevel = p.info.protectionLevel; 8783 } 8784 } 8785 8786 if (r != null) { 8787 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8788 } 8789 8790 N = pkg.instrumentation.size(); 8791 r = null; 8792 for (i=0; i<N; i++) { 8793 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8794 a.info.packageName = pkg.applicationInfo.packageName; 8795 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8796 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8797 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8798 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8799 a.info.dataDir = pkg.applicationInfo.dataDir; 8800 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8801 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8802 8803 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8804 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8805 mInstrumentation.put(a.getComponentName(), a); 8806 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8807 if (r == null) { 8808 r = new StringBuilder(256); 8809 } else { 8810 r.append(' '); 8811 } 8812 r.append(a.info.name); 8813 } 8814 } 8815 if (r != null) { 8816 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8817 } 8818 8819 if (pkg.protectedBroadcasts != null) { 8820 N = pkg.protectedBroadcasts.size(); 8821 for (i=0; i<N; i++) { 8822 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8823 } 8824 } 8825 8826 pkgSetting.setTimeStamp(scanFileTime); 8827 8828 // Create idmap files for pairs of (packages, overlay packages). 8829 // Note: "android", ie framework-res.apk, is handled by native layers. 8830 if (pkg.mOverlayTarget != null) { 8831 // This is an overlay package. 8832 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8833 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8834 mOverlays.put(pkg.mOverlayTarget, 8835 new ArrayMap<String, PackageParser.Package>()); 8836 } 8837 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8838 map.put(pkg.packageName, pkg); 8839 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8840 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8841 createIdmapFailed = true; 8842 } 8843 } 8844 } else if (mOverlays.containsKey(pkg.packageName) && 8845 !pkg.packageName.equals("android")) { 8846 // This is a regular package, with one or more known overlay packages. 8847 createIdmapsForPackageLI(pkg); 8848 } 8849 } 8850 8851 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8852 8853 if (createIdmapFailed) { 8854 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8855 "scanPackageLI failed to createIdmap"); 8856 } 8857 return pkg; 8858 } 8859 8860 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8861 PackageParser.Package update, UserHandle user) { 8862 if (existing.applicationInfo == null || update.applicationInfo == null) { 8863 // This isn't due to an app installation. 8864 return; 8865 } 8866 8867 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8868 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8869 8870 // The codePath hasn't changed, so there's nothing for us to do. 8871 if (Objects.equals(oldCodePath, newCodePath)) { 8872 return; 8873 } 8874 8875 File canonicalNewCodePath; 8876 try { 8877 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8878 } catch (IOException e) { 8879 Slog.w(TAG, "Failed to get canonical path.", e); 8880 return; 8881 } 8882 8883 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8884 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8885 // that the last component of the path (i.e, the name) doesn't need canonicalization 8886 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8887 // but may change in the future. Hopefully this function won't exist at that point. 8888 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8889 oldCodePath.getName()); 8890 8891 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8892 // with "@". 8893 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8894 if (!oldMarkerPrefix.endsWith("@")) { 8895 oldMarkerPrefix += "@"; 8896 } 8897 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8898 if (!newMarkerPrefix.endsWith("@")) { 8899 newMarkerPrefix += "@"; 8900 } 8901 8902 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8903 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8904 for (String updatedPath : updatedPaths) { 8905 String updatedPathName = new File(updatedPath).getName(); 8906 markerSuffixes.add(updatedPathName.replace('/', '@')); 8907 } 8908 8909 for (int userId : resolveUserIds(user.getIdentifier())) { 8910 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 8911 8912 for (String markerSuffix : markerSuffixes) { 8913 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 8914 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 8915 if (oldForeignUseMark.exists()) { 8916 try { 8917 Os.rename(oldForeignUseMark.getAbsolutePath(), 8918 newForeignUseMark.getAbsolutePath()); 8919 } catch (ErrnoException e) { 8920 Slog.w(TAG, "Failed to rename foreign use marker", e); 8921 oldForeignUseMark.delete(); 8922 } 8923 } 8924 } 8925 } 8926 } 8927 8928 /** 8929 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8930 * is derived purely on the basis of the contents of {@code scanFile} and 8931 * {@code cpuAbiOverride}. 8932 * 8933 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8934 */ 8935 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8936 String cpuAbiOverride, boolean extractLibs) 8937 throws PackageManagerException { 8938 // TODO: We can probably be smarter about this stuff. For installed apps, 8939 // we can calculate this information at install time once and for all. For 8940 // system apps, we can probably assume that this information doesn't change 8941 // after the first boot scan. As things stand, we do lots of unnecessary work. 8942 8943 // Give ourselves some initial paths; we'll come back for another 8944 // pass once we've determined ABI below. 8945 setNativeLibraryPaths(pkg); 8946 8947 // We would never need to extract libs for forward-locked and external packages, 8948 // since the container service will do it for us. We shouldn't attempt to 8949 // extract libs from system app when it was not updated. 8950 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8951 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8952 extractLibs = false; 8953 } 8954 8955 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8956 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8957 8958 NativeLibraryHelper.Handle handle = null; 8959 try { 8960 handle = NativeLibraryHelper.Handle.create(pkg); 8961 // TODO(multiArch): This can be null for apps that didn't go through the 8962 // usual installation process. We can calculate it again, like we 8963 // do during install time. 8964 // 8965 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8966 // unnecessary. 8967 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8968 8969 // Null out the abis so that they can be recalculated. 8970 pkg.applicationInfo.primaryCpuAbi = null; 8971 pkg.applicationInfo.secondaryCpuAbi = null; 8972 if (isMultiArch(pkg.applicationInfo)) { 8973 // Warn if we've set an abiOverride for multi-lib packages.. 8974 // By definition, we need to copy both 32 and 64 bit libraries for 8975 // such packages. 8976 if (pkg.cpuAbiOverride != null 8977 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8978 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8979 } 8980 8981 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8982 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8983 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8984 if (extractLibs) { 8985 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8986 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8987 useIsaSpecificSubdirs); 8988 } else { 8989 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8990 } 8991 } 8992 8993 maybeThrowExceptionForMultiArchCopy( 8994 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8995 8996 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8997 if (extractLibs) { 8998 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8999 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9000 useIsaSpecificSubdirs); 9001 } else { 9002 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9003 } 9004 } 9005 9006 maybeThrowExceptionForMultiArchCopy( 9007 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9008 9009 if (abi64 >= 0) { 9010 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9011 } 9012 9013 if (abi32 >= 0) { 9014 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9015 if (abi64 >= 0) { 9016 if (pkg.use32bitAbi) { 9017 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9018 pkg.applicationInfo.primaryCpuAbi = abi; 9019 } else { 9020 pkg.applicationInfo.secondaryCpuAbi = abi; 9021 } 9022 } else { 9023 pkg.applicationInfo.primaryCpuAbi = abi; 9024 } 9025 } 9026 9027 } else { 9028 String[] abiList = (cpuAbiOverride != null) ? 9029 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9030 9031 // Enable gross and lame hacks for apps that are built with old 9032 // SDK tools. We must scan their APKs for renderscript bitcode and 9033 // not launch them if it's present. Don't bother checking on devices 9034 // that don't have 64 bit support. 9035 boolean needsRenderScriptOverride = false; 9036 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9037 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9038 abiList = Build.SUPPORTED_32_BIT_ABIS; 9039 needsRenderScriptOverride = true; 9040 } 9041 9042 final int copyRet; 9043 if (extractLibs) { 9044 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9045 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9046 } else { 9047 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9048 } 9049 9050 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9051 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9052 "Error unpackaging native libs for app, errorCode=" + copyRet); 9053 } 9054 9055 if (copyRet >= 0) { 9056 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9057 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9058 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9059 } else if (needsRenderScriptOverride) { 9060 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9061 } 9062 } 9063 } catch (IOException ioe) { 9064 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9065 } finally { 9066 IoUtils.closeQuietly(handle); 9067 } 9068 9069 // Now that we've calculated the ABIs and determined if it's an internal app, 9070 // we will go ahead and populate the nativeLibraryPath. 9071 setNativeLibraryPaths(pkg); 9072 } 9073 9074 /** 9075 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9076 * i.e, so that all packages can be run inside a single process if required. 9077 * 9078 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9079 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9080 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9081 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9082 * updating a package that belongs to a shared user. 9083 * 9084 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9085 * adds unnecessary complexity. 9086 */ 9087 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9088 PackageParser.Package scannedPackage, boolean bootComplete) { 9089 String requiredInstructionSet = null; 9090 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9091 requiredInstructionSet = VMRuntime.getInstructionSet( 9092 scannedPackage.applicationInfo.primaryCpuAbi); 9093 } 9094 9095 PackageSetting requirer = null; 9096 for (PackageSetting ps : packagesForUser) { 9097 // If packagesForUser contains scannedPackage, we skip it. This will happen 9098 // when scannedPackage is an update of an existing package. Without this check, 9099 // we will never be able to change the ABI of any package belonging to a shared 9100 // user, even if it's compatible with other packages. 9101 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9102 if (ps.primaryCpuAbiString == null) { 9103 continue; 9104 } 9105 9106 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9107 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9108 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9109 // this but there's not much we can do. 9110 String errorMessage = "Instruction set mismatch, " 9111 + ((requirer == null) ? "[caller]" : requirer) 9112 + " requires " + requiredInstructionSet + " whereas " + ps 9113 + " requires " + instructionSet; 9114 Slog.w(TAG, errorMessage); 9115 } 9116 9117 if (requiredInstructionSet == null) { 9118 requiredInstructionSet = instructionSet; 9119 requirer = ps; 9120 } 9121 } 9122 } 9123 9124 if (requiredInstructionSet != null) { 9125 String adjustedAbi; 9126 if (requirer != null) { 9127 // requirer != null implies that either scannedPackage was null or that scannedPackage 9128 // did not require an ABI, in which case we have to adjust scannedPackage to match 9129 // the ABI of the set (which is the same as requirer's ABI) 9130 adjustedAbi = requirer.primaryCpuAbiString; 9131 if (scannedPackage != null) { 9132 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9133 } 9134 } else { 9135 // requirer == null implies that we're updating all ABIs in the set to 9136 // match scannedPackage. 9137 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9138 } 9139 9140 for (PackageSetting ps : packagesForUser) { 9141 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9142 if (ps.primaryCpuAbiString != null) { 9143 continue; 9144 } 9145 9146 ps.primaryCpuAbiString = adjustedAbi; 9147 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9148 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9149 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9150 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9151 + " (requirer=" 9152 + (requirer == null ? "null" : requirer.pkg.packageName) 9153 + ", scannedPackage=" 9154 + (scannedPackage != null ? scannedPackage.packageName : "null") 9155 + ")"); 9156 try { 9157 mInstaller.rmdex(ps.codePathString, 9158 getDexCodeInstructionSet(getPreferredInstructionSet())); 9159 } catch (InstallerException ignored) { 9160 } 9161 } 9162 } 9163 } 9164 } 9165 } 9166 9167 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9168 synchronized (mPackages) { 9169 mResolverReplaced = true; 9170 // Set up information for custom user intent resolution activity. 9171 mResolveActivity.applicationInfo = pkg.applicationInfo; 9172 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9173 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9174 mResolveActivity.processName = pkg.applicationInfo.packageName; 9175 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9176 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9177 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9178 mResolveActivity.theme = 0; 9179 mResolveActivity.exported = true; 9180 mResolveActivity.enabled = true; 9181 mResolveInfo.activityInfo = mResolveActivity; 9182 mResolveInfo.priority = 0; 9183 mResolveInfo.preferredOrder = 0; 9184 mResolveInfo.match = 0; 9185 mResolveComponentName = mCustomResolverComponentName; 9186 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9187 mResolveComponentName); 9188 } 9189 } 9190 9191 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9192 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9193 9194 // Set up information for ephemeral installer activity 9195 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9196 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9197 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9198 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9199 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9200 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9201 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9202 mEphemeralInstallerActivity.theme = 0; 9203 mEphemeralInstallerActivity.exported = true; 9204 mEphemeralInstallerActivity.enabled = true; 9205 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9206 mEphemeralInstallerInfo.priority = 0; 9207 mEphemeralInstallerInfo.preferredOrder = 0; 9208 mEphemeralInstallerInfo.match = 0; 9209 9210 if (DEBUG_EPHEMERAL) { 9211 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9212 } 9213 } 9214 9215 private static String calculateBundledApkRoot(final String codePathString) { 9216 final File codePath = new File(codePathString); 9217 final File codeRoot; 9218 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9219 codeRoot = Environment.getRootDirectory(); 9220 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9221 codeRoot = Environment.getOemDirectory(); 9222 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9223 codeRoot = Environment.getVendorDirectory(); 9224 } else { 9225 // Unrecognized code path; take its top real segment as the apk root: 9226 // e.g. /something/app/blah.apk => /something 9227 try { 9228 File f = codePath.getCanonicalFile(); 9229 File parent = f.getParentFile(); // non-null because codePath is a file 9230 File tmp; 9231 while ((tmp = parent.getParentFile()) != null) { 9232 f = parent; 9233 parent = tmp; 9234 } 9235 codeRoot = f; 9236 Slog.w(TAG, "Unrecognized code path " 9237 + codePath + " - using " + codeRoot); 9238 } catch (IOException e) { 9239 // Can't canonicalize the code path -- shenanigans? 9240 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9241 return Environment.getRootDirectory().getPath(); 9242 } 9243 } 9244 return codeRoot.getPath(); 9245 } 9246 9247 /** 9248 * Derive and set the location of native libraries for the given package, 9249 * which varies depending on where and how the package was installed. 9250 */ 9251 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9252 final ApplicationInfo info = pkg.applicationInfo; 9253 final String codePath = pkg.codePath; 9254 final File codeFile = new File(codePath); 9255 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9256 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9257 9258 info.nativeLibraryRootDir = null; 9259 info.nativeLibraryRootRequiresIsa = false; 9260 info.nativeLibraryDir = null; 9261 info.secondaryNativeLibraryDir = null; 9262 9263 if (isApkFile(codeFile)) { 9264 // Monolithic install 9265 if (bundledApp) { 9266 // If "/system/lib64/apkname" exists, assume that is the per-package 9267 // native library directory to use; otherwise use "/system/lib/apkname". 9268 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9269 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9270 getPrimaryInstructionSet(info)); 9271 9272 // This is a bundled system app so choose the path based on the ABI. 9273 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9274 // is just the default path. 9275 final String apkName = deriveCodePathName(codePath); 9276 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9277 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9278 apkName).getAbsolutePath(); 9279 9280 if (info.secondaryCpuAbi != null) { 9281 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9282 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9283 secondaryLibDir, apkName).getAbsolutePath(); 9284 } 9285 } else if (asecApp) { 9286 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9287 .getAbsolutePath(); 9288 } else { 9289 final String apkName = deriveCodePathName(codePath); 9290 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9291 .getAbsolutePath(); 9292 } 9293 9294 info.nativeLibraryRootRequiresIsa = false; 9295 info.nativeLibraryDir = info.nativeLibraryRootDir; 9296 } else { 9297 // Cluster install 9298 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9299 info.nativeLibraryRootRequiresIsa = true; 9300 9301 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9302 getPrimaryInstructionSet(info)).getAbsolutePath(); 9303 9304 if (info.secondaryCpuAbi != null) { 9305 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9306 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9307 } 9308 } 9309 } 9310 9311 /** 9312 * Calculate the abis and roots for a bundled app. These can uniquely 9313 * be determined from the contents of the system partition, i.e whether 9314 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9315 * of this information, and instead assume that the system was built 9316 * sensibly. 9317 */ 9318 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9319 PackageSetting pkgSetting) { 9320 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9321 9322 // If "/system/lib64/apkname" exists, assume that is the per-package 9323 // native library directory to use; otherwise use "/system/lib/apkname". 9324 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9325 setBundledAppAbi(pkg, apkRoot, apkName); 9326 // pkgSetting might be null during rescan following uninstall of updates 9327 // to a bundled app, so accommodate that possibility. The settings in 9328 // that case will be established later from the parsed package. 9329 // 9330 // If the settings aren't null, sync them up with what we've just derived. 9331 // note that apkRoot isn't stored in the package settings. 9332 if (pkgSetting != null) { 9333 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9334 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9335 } 9336 } 9337 9338 /** 9339 * Deduces the ABI of a bundled app and sets the relevant fields on the 9340 * parsed pkg object. 9341 * 9342 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9343 * under which system libraries are installed. 9344 * @param apkName the name of the installed package. 9345 */ 9346 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9347 final File codeFile = new File(pkg.codePath); 9348 9349 final boolean has64BitLibs; 9350 final boolean has32BitLibs; 9351 if (isApkFile(codeFile)) { 9352 // Monolithic install 9353 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9354 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9355 } else { 9356 // Cluster install 9357 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9358 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9359 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9360 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9361 has64BitLibs = (new File(rootDir, isa)).exists(); 9362 } else { 9363 has64BitLibs = false; 9364 } 9365 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9366 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9367 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9368 has32BitLibs = (new File(rootDir, isa)).exists(); 9369 } else { 9370 has32BitLibs = false; 9371 } 9372 } 9373 9374 if (has64BitLibs && !has32BitLibs) { 9375 // The package has 64 bit libs, but not 32 bit libs. Its primary 9376 // ABI should be 64 bit. We can safely assume here that the bundled 9377 // native libraries correspond to the most preferred ABI in the list. 9378 9379 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9380 pkg.applicationInfo.secondaryCpuAbi = null; 9381 } else if (has32BitLibs && !has64BitLibs) { 9382 // The package has 32 bit libs but not 64 bit libs. Its primary 9383 // ABI should be 32 bit. 9384 9385 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9386 pkg.applicationInfo.secondaryCpuAbi = null; 9387 } else if (has32BitLibs && has64BitLibs) { 9388 // The application has both 64 and 32 bit bundled libraries. We check 9389 // here that the app declares multiArch support, and warn if it doesn't. 9390 // 9391 // We will be lenient here and record both ABIs. The primary will be the 9392 // ABI that's higher on the list, i.e, a device that's configured to prefer 9393 // 64 bit apps will see a 64 bit primary ABI, 9394 9395 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9396 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9397 } 9398 9399 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9400 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9401 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9402 } else { 9403 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9404 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9405 } 9406 } else { 9407 pkg.applicationInfo.primaryCpuAbi = null; 9408 pkg.applicationInfo.secondaryCpuAbi = null; 9409 } 9410 } 9411 9412 private void killApplication(String pkgName, int appId, String reason) { 9413 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9414 } 9415 9416 private void killApplication(String pkgName, int appId, int userId, String reason) { 9417 // Request the ActivityManager to kill the process(only for existing packages) 9418 // so that we do not end up in a confused state while the user is still using the older 9419 // version of the application while the new one gets installed. 9420 final long token = Binder.clearCallingIdentity(); 9421 try { 9422 IActivityManager am = ActivityManagerNative.getDefault(); 9423 if (am != null) { 9424 try { 9425 am.killApplication(pkgName, appId, userId, reason); 9426 } catch (RemoteException e) { 9427 } 9428 } 9429 } finally { 9430 Binder.restoreCallingIdentity(token); 9431 } 9432 } 9433 9434 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9435 // Remove the parent package setting 9436 PackageSetting ps = (PackageSetting) pkg.mExtras; 9437 if (ps != null) { 9438 removePackageLI(ps, chatty); 9439 } 9440 // Remove the child package setting 9441 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9442 for (int i = 0; i < childCount; i++) { 9443 PackageParser.Package childPkg = pkg.childPackages.get(i); 9444 ps = (PackageSetting) childPkg.mExtras; 9445 if (ps != null) { 9446 removePackageLI(ps, chatty); 9447 } 9448 } 9449 } 9450 9451 void removePackageLI(PackageSetting ps, boolean chatty) { 9452 if (DEBUG_INSTALL) { 9453 if (chatty) 9454 Log.d(TAG, "Removing package " + ps.name); 9455 } 9456 9457 // writer 9458 synchronized (mPackages) { 9459 mPackages.remove(ps.name); 9460 final PackageParser.Package pkg = ps.pkg; 9461 if (pkg != null) { 9462 cleanPackageDataStructuresLILPw(pkg, chatty); 9463 } 9464 } 9465 } 9466 9467 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9468 if (DEBUG_INSTALL) { 9469 if (chatty) 9470 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9471 } 9472 9473 // writer 9474 synchronized (mPackages) { 9475 // Remove the parent package 9476 mPackages.remove(pkg.applicationInfo.packageName); 9477 cleanPackageDataStructuresLILPw(pkg, chatty); 9478 9479 // Remove the child packages 9480 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9481 for (int i = 0; i < childCount; i++) { 9482 PackageParser.Package childPkg = pkg.childPackages.get(i); 9483 mPackages.remove(childPkg.applicationInfo.packageName); 9484 cleanPackageDataStructuresLILPw(childPkg, chatty); 9485 } 9486 } 9487 } 9488 9489 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9490 int N = pkg.providers.size(); 9491 StringBuilder r = null; 9492 int i; 9493 for (i=0; i<N; i++) { 9494 PackageParser.Provider p = pkg.providers.get(i); 9495 mProviders.removeProvider(p); 9496 if (p.info.authority == null) { 9497 9498 /* There was another ContentProvider with this authority when 9499 * this app was installed so this authority is null, 9500 * Ignore it as we don't have to unregister the provider. 9501 */ 9502 continue; 9503 } 9504 String names[] = p.info.authority.split(";"); 9505 for (int j = 0; j < names.length; j++) { 9506 if (mProvidersByAuthority.get(names[j]) == p) { 9507 mProvidersByAuthority.remove(names[j]); 9508 if (DEBUG_REMOVE) { 9509 if (chatty) 9510 Log.d(TAG, "Unregistered content provider: " + names[j] 9511 + ", className = " + p.info.name + ", isSyncable = " 9512 + p.info.isSyncable); 9513 } 9514 } 9515 } 9516 if (DEBUG_REMOVE && chatty) { 9517 if (r == null) { 9518 r = new StringBuilder(256); 9519 } else { 9520 r.append(' '); 9521 } 9522 r.append(p.info.name); 9523 } 9524 } 9525 if (r != null) { 9526 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9527 } 9528 9529 N = pkg.services.size(); 9530 r = null; 9531 for (i=0; i<N; i++) { 9532 PackageParser.Service s = pkg.services.get(i); 9533 mServices.removeService(s); 9534 if (chatty) { 9535 if (r == null) { 9536 r = new StringBuilder(256); 9537 } else { 9538 r.append(' '); 9539 } 9540 r.append(s.info.name); 9541 } 9542 } 9543 if (r != null) { 9544 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9545 } 9546 9547 N = pkg.receivers.size(); 9548 r = null; 9549 for (i=0; i<N; i++) { 9550 PackageParser.Activity a = pkg.receivers.get(i); 9551 mReceivers.removeActivity(a, "receiver"); 9552 if (DEBUG_REMOVE && chatty) { 9553 if (r == null) { 9554 r = new StringBuilder(256); 9555 } else { 9556 r.append(' '); 9557 } 9558 r.append(a.info.name); 9559 } 9560 } 9561 if (r != null) { 9562 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9563 } 9564 9565 N = pkg.activities.size(); 9566 r = null; 9567 for (i=0; i<N; i++) { 9568 PackageParser.Activity a = pkg.activities.get(i); 9569 mActivities.removeActivity(a, "activity"); 9570 if (DEBUG_REMOVE && chatty) { 9571 if (r == null) { 9572 r = new StringBuilder(256); 9573 } else { 9574 r.append(' '); 9575 } 9576 r.append(a.info.name); 9577 } 9578 } 9579 if (r != null) { 9580 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9581 } 9582 9583 N = pkg.permissions.size(); 9584 r = null; 9585 for (i=0; i<N; i++) { 9586 PackageParser.Permission p = pkg.permissions.get(i); 9587 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9588 if (bp == null) { 9589 bp = mSettings.mPermissionTrees.get(p.info.name); 9590 } 9591 if (bp != null && bp.perm == p) { 9592 bp.perm = null; 9593 if (DEBUG_REMOVE && chatty) { 9594 if (r == null) { 9595 r = new StringBuilder(256); 9596 } else { 9597 r.append(' '); 9598 } 9599 r.append(p.info.name); 9600 } 9601 } 9602 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9603 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9604 if (appOpPkgs != null) { 9605 appOpPkgs.remove(pkg.packageName); 9606 } 9607 } 9608 } 9609 if (r != null) { 9610 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9611 } 9612 9613 N = pkg.requestedPermissions.size(); 9614 r = null; 9615 for (i=0; i<N; i++) { 9616 String perm = pkg.requestedPermissions.get(i); 9617 BasePermission bp = mSettings.mPermissions.get(perm); 9618 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9619 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9620 if (appOpPkgs != null) { 9621 appOpPkgs.remove(pkg.packageName); 9622 if (appOpPkgs.isEmpty()) { 9623 mAppOpPermissionPackages.remove(perm); 9624 } 9625 } 9626 } 9627 } 9628 if (r != null) { 9629 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9630 } 9631 9632 N = pkg.instrumentation.size(); 9633 r = null; 9634 for (i=0; i<N; i++) { 9635 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9636 mInstrumentation.remove(a.getComponentName()); 9637 if (DEBUG_REMOVE && chatty) { 9638 if (r == null) { 9639 r = new StringBuilder(256); 9640 } else { 9641 r.append(' '); 9642 } 9643 r.append(a.info.name); 9644 } 9645 } 9646 if (r != null) { 9647 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9648 } 9649 9650 r = null; 9651 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9652 // Only system apps can hold shared libraries. 9653 if (pkg.libraryNames != null) { 9654 for (i=0; i<pkg.libraryNames.size(); i++) { 9655 String name = pkg.libraryNames.get(i); 9656 SharedLibraryEntry cur = mSharedLibraries.get(name); 9657 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9658 mSharedLibraries.remove(name); 9659 if (DEBUG_REMOVE && chatty) { 9660 if (r == null) { 9661 r = new StringBuilder(256); 9662 } else { 9663 r.append(' '); 9664 } 9665 r.append(name); 9666 } 9667 } 9668 } 9669 } 9670 } 9671 if (r != null) { 9672 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9673 } 9674 } 9675 9676 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9677 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9678 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9679 return true; 9680 } 9681 } 9682 return false; 9683 } 9684 9685 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9686 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9687 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9688 9689 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9690 // Update the parent permissions 9691 updatePermissionsLPw(pkg.packageName, pkg, flags); 9692 // Update the child permissions 9693 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9694 for (int i = 0; i < childCount; i++) { 9695 PackageParser.Package childPkg = pkg.childPackages.get(i); 9696 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9697 } 9698 } 9699 9700 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9701 int flags) { 9702 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9703 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9704 } 9705 9706 private void updatePermissionsLPw(String changingPkg, 9707 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9708 // Make sure there are no dangling permission trees. 9709 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9710 while (it.hasNext()) { 9711 final BasePermission bp = it.next(); 9712 if (bp.packageSetting == null) { 9713 // We may not yet have parsed the package, so just see if 9714 // we still know about its settings. 9715 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9716 } 9717 if (bp.packageSetting == null) { 9718 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9719 + " from package " + bp.sourcePackage); 9720 it.remove(); 9721 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9722 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9723 Slog.i(TAG, "Removing old permission tree: " + bp.name 9724 + " from package " + bp.sourcePackage); 9725 flags |= UPDATE_PERMISSIONS_ALL; 9726 it.remove(); 9727 } 9728 } 9729 } 9730 9731 // Make sure all dynamic permissions have been assigned to a package, 9732 // and make sure there are no dangling permissions. 9733 it = mSettings.mPermissions.values().iterator(); 9734 while (it.hasNext()) { 9735 final BasePermission bp = it.next(); 9736 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9737 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9738 + bp.name + " pkg=" + bp.sourcePackage 9739 + " info=" + bp.pendingInfo); 9740 if (bp.packageSetting == null && bp.pendingInfo != null) { 9741 final BasePermission tree = findPermissionTreeLP(bp.name); 9742 if (tree != null && tree.perm != null) { 9743 bp.packageSetting = tree.packageSetting; 9744 bp.perm = new PackageParser.Permission(tree.perm.owner, 9745 new PermissionInfo(bp.pendingInfo)); 9746 bp.perm.info.packageName = tree.perm.info.packageName; 9747 bp.perm.info.name = bp.name; 9748 bp.uid = tree.uid; 9749 } 9750 } 9751 } 9752 if (bp.packageSetting == null) { 9753 // We may not yet have parsed the package, so just see if 9754 // we still know about its settings. 9755 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9756 } 9757 if (bp.packageSetting == null) { 9758 Slog.w(TAG, "Removing dangling permission: " + bp.name 9759 + " from package " + bp.sourcePackage); 9760 it.remove(); 9761 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9762 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9763 Slog.i(TAG, "Removing old permission: " + bp.name 9764 + " from package " + bp.sourcePackage); 9765 flags |= UPDATE_PERMISSIONS_ALL; 9766 it.remove(); 9767 } 9768 } 9769 } 9770 9771 // Now update the permissions for all packages, in particular 9772 // replace the granted permissions of the system packages. 9773 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9774 for (PackageParser.Package pkg : mPackages.values()) { 9775 if (pkg != pkgInfo) { 9776 // Only replace for packages on requested volume 9777 final String volumeUuid = getVolumeUuidForPackage(pkg); 9778 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9779 && Objects.equals(replaceVolumeUuid, volumeUuid); 9780 grantPermissionsLPw(pkg, replace, changingPkg); 9781 } 9782 } 9783 } 9784 9785 if (pkgInfo != null) { 9786 // Only replace for packages on requested volume 9787 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9788 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9789 && Objects.equals(replaceVolumeUuid, volumeUuid); 9790 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9791 } 9792 } 9793 9794 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9795 String packageOfInterest) { 9796 // IMPORTANT: There are two types of permissions: install and runtime. 9797 // Install time permissions are granted when the app is installed to 9798 // all device users and users added in the future. Runtime permissions 9799 // are granted at runtime explicitly to specific users. Normal and signature 9800 // protected permissions are install time permissions. Dangerous permissions 9801 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9802 // otherwise they are runtime permissions. This function does not manage 9803 // runtime permissions except for the case an app targeting Lollipop MR1 9804 // being upgraded to target a newer SDK, in which case dangerous permissions 9805 // are transformed from install time to runtime ones. 9806 9807 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9808 if (ps == null) { 9809 return; 9810 } 9811 9812 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9813 9814 PermissionsState permissionsState = ps.getPermissionsState(); 9815 PermissionsState origPermissions = permissionsState; 9816 9817 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9818 9819 boolean runtimePermissionsRevoked = false; 9820 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9821 9822 boolean changedInstallPermission = false; 9823 9824 if (replace) { 9825 ps.installPermissionsFixed = false; 9826 if (!ps.isSharedUser()) { 9827 origPermissions = new PermissionsState(permissionsState); 9828 permissionsState.reset(); 9829 } else { 9830 // We need to know only about runtime permission changes since the 9831 // calling code always writes the install permissions state but 9832 // the runtime ones are written only if changed. The only cases of 9833 // changed runtime permissions here are promotion of an install to 9834 // runtime and revocation of a runtime from a shared user. 9835 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9836 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9837 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9838 runtimePermissionsRevoked = true; 9839 } 9840 } 9841 } 9842 9843 permissionsState.setGlobalGids(mGlobalGids); 9844 9845 final int N = pkg.requestedPermissions.size(); 9846 for (int i=0; i<N; i++) { 9847 final String name = pkg.requestedPermissions.get(i); 9848 final BasePermission bp = mSettings.mPermissions.get(name); 9849 9850 if (DEBUG_INSTALL) { 9851 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9852 } 9853 9854 if (bp == null || bp.packageSetting == null) { 9855 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9856 Slog.w(TAG, "Unknown permission " + name 9857 + " in package " + pkg.packageName); 9858 } 9859 continue; 9860 } 9861 9862 final String perm = bp.name; 9863 boolean allowedSig = false; 9864 int grant = GRANT_DENIED; 9865 9866 // Keep track of app op permissions. 9867 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9868 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9869 if (pkgs == null) { 9870 pkgs = new ArraySet<>(); 9871 mAppOpPermissionPackages.put(bp.name, pkgs); 9872 } 9873 pkgs.add(pkg.packageName); 9874 } 9875 9876 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9877 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9878 >= Build.VERSION_CODES.M; 9879 switch (level) { 9880 case PermissionInfo.PROTECTION_NORMAL: { 9881 // For all apps normal permissions are install time ones. 9882 grant = GRANT_INSTALL; 9883 } break; 9884 9885 case PermissionInfo.PROTECTION_DANGEROUS: { 9886 // If a permission review is required for legacy apps we represent 9887 // their permissions as always granted runtime ones since we need 9888 // to keep the review required permission flag per user while an 9889 // install permission's state is shared across all users. 9890 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9891 // For legacy apps dangerous permissions are install time ones. 9892 grant = GRANT_INSTALL; 9893 } else if (origPermissions.hasInstallPermission(bp.name)) { 9894 // For legacy apps that became modern, install becomes runtime. 9895 grant = GRANT_UPGRADE; 9896 } else if (mPromoteSystemApps 9897 && isSystemApp(ps) 9898 && mExistingSystemPackages.contains(ps.name)) { 9899 // For legacy system apps, install becomes runtime. 9900 // We cannot check hasInstallPermission() for system apps since those 9901 // permissions were granted implicitly and not persisted pre-M. 9902 grant = GRANT_UPGRADE; 9903 } else { 9904 // For modern apps keep runtime permissions unchanged. 9905 grant = GRANT_RUNTIME; 9906 } 9907 } break; 9908 9909 case PermissionInfo.PROTECTION_SIGNATURE: { 9910 // For all apps signature permissions are install time ones. 9911 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9912 if (allowedSig) { 9913 grant = GRANT_INSTALL; 9914 } 9915 } break; 9916 } 9917 9918 if (DEBUG_INSTALL) { 9919 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9920 } 9921 9922 if (grant != GRANT_DENIED) { 9923 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9924 // If this is an existing, non-system package, then 9925 // we can't add any new permissions to it. 9926 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9927 // Except... if this is a permission that was added 9928 // to the platform (note: need to only do this when 9929 // updating the platform). 9930 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9931 grant = GRANT_DENIED; 9932 } 9933 } 9934 } 9935 9936 switch (grant) { 9937 case GRANT_INSTALL: { 9938 // Revoke this as runtime permission to handle the case of 9939 // a runtime permission being downgraded to an install one. 9940 // Also in permission review mode we keep dangerous permissions 9941 // for legacy apps 9942 for (int userId : UserManagerService.getInstance().getUserIds()) { 9943 if (origPermissions.getRuntimePermissionState( 9944 bp.name, userId) != null) { 9945 // Revoke the runtime permission and clear the flags. 9946 origPermissions.revokeRuntimePermission(bp, userId); 9947 origPermissions.updatePermissionFlags(bp, userId, 9948 PackageManager.MASK_PERMISSION_FLAGS, 0); 9949 // If we revoked a permission permission, we have to write. 9950 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9951 changedRuntimePermissionUserIds, userId); 9952 } 9953 } 9954 // Grant an install permission. 9955 if (permissionsState.grantInstallPermission(bp) != 9956 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9957 changedInstallPermission = true; 9958 } 9959 } break; 9960 9961 case GRANT_RUNTIME: { 9962 // Grant previously granted runtime permissions. 9963 for (int userId : UserManagerService.getInstance().getUserIds()) { 9964 PermissionState permissionState = origPermissions 9965 .getRuntimePermissionState(bp.name, userId); 9966 int flags = permissionState != null 9967 ? permissionState.getFlags() : 0; 9968 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9969 if (permissionsState.grantRuntimePermission(bp, userId) == 9970 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9971 // If we cannot put the permission as it was, we have to write. 9972 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9973 changedRuntimePermissionUserIds, userId); 9974 } 9975 // If the app supports runtime permissions no need for a review. 9976 if (Build.PERMISSIONS_REVIEW_REQUIRED 9977 && appSupportsRuntimePermissions 9978 && (flags & PackageManager 9979 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9980 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9981 // Since we changed the flags, we have to write. 9982 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9983 changedRuntimePermissionUserIds, userId); 9984 } 9985 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9986 && !appSupportsRuntimePermissions) { 9987 // For legacy apps that need a permission review, every new 9988 // runtime permission is granted but it is pending a review. 9989 // We also need to review only platform defined runtime 9990 // permissions as these are the only ones the platform knows 9991 // how to disable the API to simulate revocation as legacy 9992 // apps don't expect to run with revoked permissions. 9993 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9994 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9995 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9996 // We changed the flags, hence have to write. 9997 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9998 changedRuntimePermissionUserIds, userId); 9999 } 10000 } 10001 if (permissionsState.grantRuntimePermission(bp, userId) 10002 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10003 // We changed the permission, hence have to write. 10004 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10005 changedRuntimePermissionUserIds, userId); 10006 } 10007 } 10008 // Propagate the permission flags. 10009 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10010 } 10011 } break; 10012 10013 case GRANT_UPGRADE: { 10014 // Grant runtime permissions for a previously held install permission. 10015 PermissionState permissionState = origPermissions 10016 .getInstallPermissionState(bp.name); 10017 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10018 10019 if (origPermissions.revokeInstallPermission(bp) 10020 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10021 // We will be transferring the permission flags, so clear them. 10022 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10023 PackageManager.MASK_PERMISSION_FLAGS, 0); 10024 changedInstallPermission = true; 10025 } 10026 10027 // If the permission is not to be promoted to runtime we ignore it and 10028 // also its other flags as they are not applicable to install permissions. 10029 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10030 for (int userId : currentUserIds) { 10031 if (permissionsState.grantRuntimePermission(bp, userId) != 10032 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10033 // Transfer the permission flags. 10034 permissionsState.updatePermissionFlags(bp, userId, 10035 flags, flags); 10036 // If we granted the permission, we have to write. 10037 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10038 changedRuntimePermissionUserIds, userId); 10039 } 10040 } 10041 } 10042 } break; 10043 10044 default: { 10045 if (packageOfInterest == null 10046 || packageOfInterest.equals(pkg.packageName)) { 10047 Slog.w(TAG, "Not granting permission " + perm 10048 + " to package " + pkg.packageName 10049 + " because it was previously installed without"); 10050 } 10051 } break; 10052 } 10053 } else { 10054 if (permissionsState.revokeInstallPermission(bp) != 10055 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10056 // Also drop the permission flags. 10057 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10058 PackageManager.MASK_PERMISSION_FLAGS, 0); 10059 changedInstallPermission = true; 10060 Slog.i(TAG, "Un-granting permission " + perm 10061 + " from package " + pkg.packageName 10062 + " (protectionLevel=" + bp.protectionLevel 10063 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10064 + ")"); 10065 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10066 // Don't print warning for app op permissions, since it is fine for them 10067 // not to be granted, there is a UI for the user to decide. 10068 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10069 Slog.w(TAG, "Not granting permission " + perm 10070 + " to package " + pkg.packageName 10071 + " (protectionLevel=" + bp.protectionLevel 10072 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10073 + ")"); 10074 } 10075 } 10076 } 10077 } 10078 10079 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10080 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10081 // This is the first that we have heard about this package, so the 10082 // permissions we have now selected are fixed until explicitly 10083 // changed. 10084 ps.installPermissionsFixed = true; 10085 } 10086 10087 // Persist the runtime permissions state for users with changes. If permissions 10088 // were revoked because no app in the shared user declares them we have to 10089 // write synchronously to avoid losing runtime permissions state. 10090 for (int userId : changedRuntimePermissionUserIds) { 10091 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10092 } 10093 10094 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10095 } 10096 10097 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10098 boolean allowed = false; 10099 final int NP = PackageParser.NEW_PERMISSIONS.length; 10100 for (int ip=0; ip<NP; ip++) { 10101 final PackageParser.NewPermissionInfo npi 10102 = PackageParser.NEW_PERMISSIONS[ip]; 10103 if (npi.name.equals(perm) 10104 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10105 allowed = true; 10106 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10107 + pkg.packageName); 10108 break; 10109 } 10110 } 10111 return allowed; 10112 } 10113 10114 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10115 BasePermission bp, PermissionsState origPermissions) { 10116 boolean allowed; 10117 allowed = (compareSignatures( 10118 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10119 == PackageManager.SIGNATURE_MATCH) 10120 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10121 == PackageManager.SIGNATURE_MATCH); 10122 if (!allowed && (bp.protectionLevel 10123 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10124 if (isSystemApp(pkg)) { 10125 // For updated system applications, a system permission 10126 // is granted only if it had been defined by the original application. 10127 if (pkg.isUpdatedSystemApp()) { 10128 final PackageSetting sysPs = mSettings 10129 .getDisabledSystemPkgLPr(pkg.packageName); 10130 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10131 // If the original was granted this permission, we take 10132 // that grant decision as read and propagate it to the 10133 // update. 10134 if (sysPs.isPrivileged()) { 10135 allowed = true; 10136 } 10137 } else { 10138 // The system apk may have been updated with an older 10139 // version of the one on the data partition, but which 10140 // granted a new system permission that it didn't have 10141 // before. In this case we do want to allow the app to 10142 // now get the new permission if the ancestral apk is 10143 // privileged to get it. 10144 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10145 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10146 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10147 allowed = true; 10148 break; 10149 } 10150 } 10151 } 10152 // Also if a privileged parent package on the system image or any of 10153 // its children requested a privileged permission, the updated child 10154 // packages can also get the permission. 10155 if (pkg.parentPackage != null) { 10156 final PackageSetting disabledSysParentPs = mSettings 10157 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10158 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10159 && disabledSysParentPs.isPrivileged()) { 10160 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10161 allowed = true; 10162 } else if (disabledSysParentPs.pkg.childPackages != null) { 10163 final int count = disabledSysParentPs.pkg.childPackages.size(); 10164 for (int i = 0; i < count; i++) { 10165 PackageParser.Package disabledSysChildPkg = 10166 disabledSysParentPs.pkg.childPackages.get(i); 10167 if (isPackageRequestingPermission(disabledSysChildPkg, 10168 perm)) { 10169 allowed = true; 10170 break; 10171 } 10172 } 10173 } 10174 } 10175 } 10176 } 10177 } else { 10178 allowed = isPrivilegedApp(pkg); 10179 } 10180 } 10181 } 10182 if (!allowed) { 10183 if (!allowed && (bp.protectionLevel 10184 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10185 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10186 // If this was a previously normal/dangerous permission that got moved 10187 // to a system permission as part of the runtime permission redesign, then 10188 // we still want to blindly grant it to old apps. 10189 allowed = true; 10190 } 10191 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10192 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10193 // If this permission is to be granted to the system installer and 10194 // this app is an installer, then it gets the permission. 10195 allowed = true; 10196 } 10197 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10198 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10199 // If this permission is to be granted to the system verifier and 10200 // this app is a verifier, then it gets the permission. 10201 allowed = true; 10202 } 10203 if (!allowed && (bp.protectionLevel 10204 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10205 && isSystemApp(pkg)) { 10206 // Any pre-installed system app is allowed to get this permission. 10207 allowed = true; 10208 } 10209 if (!allowed && (bp.protectionLevel 10210 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10211 // For development permissions, a development permission 10212 // is granted only if it was already granted. 10213 allowed = origPermissions.hasInstallPermission(perm); 10214 } 10215 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10216 && pkg.packageName.equals(mSetupWizardPackage)) { 10217 // If this permission is to be granted to the system setup wizard and 10218 // this app is a setup wizard, then it gets the permission. 10219 allowed = true; 10220 } 10221 } 10222 return allowed; 10223 } 10224 10225 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10226 final int permCount = pkg.requestedPermissions.size(); 10227 for (int j = 0; j < permCount; j++) { 10228 String requestedPermission = pkg.requestedPermissions.get(j); 10229 if (permission.equals(requestedPermission)) { 10230 return true; 10231 } 10232 } 10233 return false; 10234 } 10235 10236 final class ActivityIntentResolver 10237 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10238 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10239 boolean defaultOnly, int userId) { 10240 if (!sUserManager.exists(userId)) return null; 10241 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10242 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10243 } 10244 10245 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10246 int userId) { 10247 if (!sUserManager.exists(userId)) return null; 10248 mFlags = flags; 10249 return super.queryIntent(intent, resolvedType, 10250 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10251 } 10252 10253 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10254 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10255 if (!sUserManager.exists(userId)) return null; 10256 if (packageActivities == null) { 10257 return null; 10258 } 10259 mFlags = flags; 10260 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10261 final int N = packageActivities.size(); 10262 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10263 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10264 10265 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10266 for (int i = 0; i < N; ++i) { 10267 intentFilters = packageActivities.get(i).intents; 10268 if (intentFilters != null && intentFilters.size() > 0) { 10269 PackageParser.ActivityIntentInfo[] array = 10270 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10271 intentFilters.toArray(array); 10272 listCut.add(array); 10273 } 10274 } 10275 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10276 } 10277 10278 /** 10279 * Finds a privileged activity that matches the specified activity names. 10280 */ 10281 private PackageParser.Activity findMatchingActivity( 10282 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10283 for (PackageParser.Activity sysActivity : activityList) { 10284 if (sysActivity.info.name.equals(activityInfo.name)) { 10285 return sysActivity; 10286 } 10287 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10288 return sysActivity; 10289 } 10290 if (sysActivity.info.targetActivity != null) { 10291 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10292 return sysActivity; 10293 } 10294 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10295 return sysActivity; 10296 } 10297 } 10298 } 10299 return null; 10300 } 10301 10302 public class IterGenerator<E> { 10303 public Iterator<E> generate(ActivityIntentInfo info) { 10304 return null; 10305 } 10306 } 10307 10308 public class ActionIterGenerator extends IterGenerator<String> { 10309 @Override 10310 public Iterator<String> generate(ActivityIntentInfo info) { 10311 return info.actionsIterator(); 10312 } 10313 } 10314 10315 public class CategoriesIterGenerator extends IterGenerator<String> { 10316 @Override 10317 public Iterator<String> generate(ActivityIntentInfo info) { 10318 return info.categoriesIterator(); 10319 } 10320 } 10321 10322 public class SchemesIterGenerator extends IterGenerator<String> { 10323 @Override 10324 public Iterator<String> generate(ActivityIntentInfo info) { 10325 return info.schemesIterator(); 10326 } 10327 } 10328 10329 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10330 @Override 10331 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10332 return info.authoritiesIterator(); 10333 } 10334 } 10335 10336 /** 10337 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10338 * MODIFIED. Do not pass in a list that should not be changed. 10339 */ 10340 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10341 IterGenerator<T> generator, Iterator<T> searchIterator) { 10342 // loop through the set of actions; every one must be found in the intent filter 10343 while (searchIterator.hasNext()) { 10344 // we must have at least one filter in the list to consider a match 10345 if (intentList.size() == 0) { 10346 break; 10347 } 10348 10349 final T searchAction = searchIterator.next(); 10350 10351 // loop through the set of intent filters 10352 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10353 while (intentIter.hasNext()) { 10354 final ActivityIntentInfo intentInfo = intentIter.next(); 10355 boolean selectionFound = false; 10356 10357 // loop through the intent filter's selection criteria; at least one 10358 // of them must match the searched criteria 10359 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10360 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10361 final T intentSelection = intentSelectionIter.next(); 10362 if (intentSelection != null && intentSelection.equals(searchAction)) { 10363 selectionFound = true; 10364 break; 10365 } 10366 } 10367 10368 // the selection criteria wasn't found in this filter's set; this filter 10369 // is not a potential match 10370 if (!selectionFound) { 10371 intentIter.remove(); 10372 } 10373 } 10374 } 10375 } 10376 10377 private boolean isProtectedAction(ActivityIntentInfo filter) { 10378 final Iterator<String> actionsIter = filter.actionsIterator(); 10379 while (actionsIter != null && actionsIter.hasNext()) { 10380 final String filterAction = actionsIter.next(); 10381 if (PROTECTED_ACTIONS.contains(filterAction)) { 10382 return true; 10383 } 10384 } 10385 return false; 10386 } 10387 10388 /** 10389 * Adjusts the priority of the given intent filter according to policy. 10390 * <p> 10391 * <ul> 10392 * <li>The priority for non privileged applications is capped to '0'</li> 10393 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10394 * <li>The priority for unbundled updates to privileged applications is capped to the 10395 * priority defined on the system partition</li> 10396 * </ul> 10397 * <p> 10398 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10399 * allowed to obtain any priority on any action. 10400 */ 10401 private void adjustPriority( 10402 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10403 // nothing to do; priority is fine as-is 10404 if (intent.getPriority() <= 0) { 10405 return; 10406 } 10407 10408 final ActivityInfo activityInfo = intent.activity.info; 10409 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10410 10411 final boolean privilegedApp = 10412 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10413 if (!privilegedApp) { 10414 // non-privileged applications can never define a priority >0 10415 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10416 + " package: " + applicationInfo.packageName 10417 + " activity: " + intent.activity.className 10418 + " origPrio: " + intent.getPriority()); 10419 intent.setPriority(0); 10420 return; 10421 } 10422 10423 if (systemActivities == null) { 10424 // the system package is not disabled; we're parsing the system partition 10425 if (isProtectedAction(intent)) { 10426 if (mDeferProtectedFilters) { 10427 // We can't deal with these just yet. No component should ever obtain a 10428 // >0 priority for a protected actions, with ONE exception -- the setup 10429 // wizard. The setup wizard, however, cannot be known until we're able to 10430 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10431 // until all intent filters have been processed. Chicken, meet egg. 10432 // Let the filter temporarily have a high priority and rectify the 10433 // priorities after all system packages have been scanned. 10434 mProtectedFilters.add(intent); 10435 if (DEBUG_FILTERS) { 10436 Slog.i(TAG, "Protected action; save for later;" 10437 + " package: " + applicationInfo.packageName 10438 + " activity: " + intent.activity.className 10439 + " origPrio: " + intent.getPriority()); 10440 } 10441 return; 10442 } else { 10443 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10444 Slog.i(TAG, "No setup wizard;" 10445 + " All protected intents capped to priority 0"); 10446 } 10447 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10448 if (DEBUG_FILTERS) { 10449 Slog.i(TAG, "Found setup wizard;" 10450 + " allow priority " + intent.getPriority() + ";" 10451 + " package: " + intent.activity.info.packageName 10452 + " activity: " + intent.activity.className 10453 + " priority: " + intent.getPriority()); 10454 } 10455 // setup wizard gets whatever it wants 10456 return; 10457 } 10458 Slog.w(TAG, "Protected action; cap priority to 0;" 10459 + " package: " + intent.activity.info.packageName 10460 + " activity: " + intent.activity.className 10461 + " origPrio: " + intent.getPriority()); 10462 intent.setPriority(0); 10463 return; 10464 } 10465 } 10466 // privileged apps on the system image get whatever priority they request 10467 return; 10468 } 10469 10470 // privileged app unbundled update ... try to find the same activity 10471 final PackageParser.Activity foundActivity = 10472 findMatchingActivity(systemActivities, activityInfo); 10473 if (foundActivity == null) { 10474 // this is a new activity; it cannot obtain >0 priority 10475 if (DEBUG_FILTERS) { 10476 Slog.i(TAG, "New activity; cap priority to 0;" 10477 + " package: " + applicationInfo.packageName 10478 + " activity: " + intent.activity.className 10479 + " origPrio: " + intent.getPriority()); 10480 } 10481 intent.setPriority(0); 10482 return; 10483 } 10484 10485 // found activity, now check for filter equivalence 10486 10487 // a shallow copy is enough; we modify the list, not its contents 10488 final List<ActivityIntentInfo> intentListCopy = 10489 new ArrayList<>(foundActivity.intents); 10490 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10491 10492 // find matching action subsets 10493 final Iterator<String> actionsIterator = intent.actionsIterator(); 10494 if (actionsIterator != null) { 10495 getIntentListSubset( 10496 intentListCopy, new ActionIterGenerator(), actionsIterator); 10497 if (intentListCopy.size() == 0) { 10498 // no more intents to match; we're not equivalent 10499 if (DEBUG_FILTERS) { 10500 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10501 + " package: " + applicationInfo.packageName 10502 + " activity: " + intent.activity.className 10503 + " origPrio: " + intent.getPriority()); 10504 } 10505 intent.setPriority(0); 10506 return; 10507 } 10508 } 10509 10510 // find matching category subsets 10511 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10512 if (categoriesIterator != null) { 10513 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10514 categoriesIterator); 10515 if (intentListCopy.size() == 0) { 10516 // no more intents to match; we're not equivalent 10517 if (DEBUG_FILTERS) { 10518 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10519 + " package: " + applicationInfo.packageName 10520 + " activity: " + intent.activity.className 10521 + " origPrio: " + intent.getPriority()); 10522 } 10523 intent.setPriority(0); 10524 return; 10525 } 10526 } 10527 10528 // find matching schemes subsets 10529 final Iterator<String> schemesIterator = intent.schemesIterator(); 10530 if (schemesIterator != null) { 10531 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10532 schemesIterator); 10533 if (intentListCopy.size() == 0) { 10534 // no more intents to match; we're not equivalent 10535 if (DEBUG_FILTERS) { 10536 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10537 + " package: " + applicationInfo.packageName 10538 + " activity: " + intent.activity.className 10539 + " origPrio: " + intent.getPriority()); 10540 } 10541 intent.setPriority(0); 10542 return; 10543 } 10544 } 10545 10546 // find matching authorities subsets 10547 final Iterator<IntentFilter.AuthorityEntry> 10548 authoritiesIterator = intent.authoritiesIterator(); 10549 if (authoritiesIterator != null) { 10550 getIntentListSubset(intentListCopy, 10551 new AuthoritiesIterGenerator(), 10552 authoritiesIterator); 10553 if (intentListCopy.size() == 0) { 10554 // no more intents to match; we're not equivalent 10555 if (DEBUG_FILTERS) { 10556 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10557 + " package: " + applicationInfo.packageName 10558 + " activity: " + intent.activity.className 10559 + " origPrio: " + intent.getPriority()); 10560 } 10561 intent.setPriority(0); 10562 return; 10563 } 10564 } 10565 10566 // we found matching filter(s); app gets the max priority of all intents 10567 int cappedPriority = 0; 10568 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10569 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10570 } 10571 if (intent.getPriority() > cappedPriority) { 10572 if (DEBUG_FILTERS) { 10573 Slog.i(TAG, "Found matching filter(s);" 10574 + " cap priority to " + cappedPriority + ";" 10575 + " package: " + applicationInfo.packageName 10576 + " activity: " + intent.activity.className 10577 + " origPrio: " + intent.getPriority()); 10578 } 10579 intent.setPriority(cappedPriority); 10580 return; 10581 } 10582 // all this for nothing; the requested priority was <= what was on the system 10583 } 10584 10585 public final void addActivity(PackageParser.Activity a, String type) { 10586 mActivities.put(a.getComponentName(), a); 10587 if (DEBUG_SHOW_INFO) 10588 Log.v( 10589 TAG, " " + type + " " + 10590 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10591 if (DEBUG_SHOW_INFO) 10592 Log.v(TAG, " Class=" + a.info.name); 10593 final int NI = a.intents.size(); 10594 for (int j=0; j<NI; j++) { 10595 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10596 if ("activity".equals(type)) { 10597 final PackageSetting ps = 10598 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10599 final List<PackageParser.Activity> systemActivities = 10600 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10601 adjustPriority(systemActivities, intent); 10602 } 10603 if (DEBUG_SHOW_INFO) { 10604 Log.v(TAG, " IntentFilter:"); 10605 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10606 } 10607 if (!intent.debugCheck()) { 10608 Log.w(TAG, "==> For Activity " + a.info.name); 10609 } 10610 addFilter(intent); 10611 } 10612 } 10613 10614 public final void removeActivity(PackageParser.Activity a, String type) { 10615 mActivities.remove(a.getComponentName()); 10616 if (DEBUG_SHOW_INFO) { 10617 Log.v(TAG, " " + type + " " 10618 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10619 : a.info.name) + ":"); 10620 Log.v(TAG, " Class=" + a.info.name); 10621 } 10622 final int NI = a.intents.size(); 10623 for (int j=0; j<NI; j++) { 10624 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10625 if (DEBUG_SHOW_INFO) { 10626 Log.v(TAG, " IntentFilter:"); 10627 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10628 } 10629 removeFilter(intent); 10630 } 10631 } 10632 10633 @Override 10634 protected boolean allowFilterResult( 10635 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10636 ActivityInfo filterAi = filter.activity.info; 10637 for (int i=dest.size()-1; i>=0; i--) { 10638 ActivityInfo destAi = dest.get(i).activityInfo; 10639 if (destAi.name == filterAi.name 10640 && destAi.packageName == filterAi.packageName) { 10641 return false; 10642 } 10643 } 10644 return true; 10645 } 10646 10647 @Override 10648 protected ActivityIntentInfo[] newArray(int size) { 10649 return new ActivityIntentInfo[size]; 10650 } 10651 10652 @Override 10653 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10654 if (!sUserManager.exists(userId)) return true; 10655 PackageParser.Package p = filter.activity.owner; 10656 if (p != null) { 10657 PackageSetting ps = (PackageSetting)p.mExtras; 10658 if (ps != null) { 10659 // System apps are never considered stopped for purposes of 10660 // filtering, because there may be no way for the user to 10661 // actually re-launch them. 10662 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10663 && ps.getStopped(userId); 10664 } 10665 } 10666 return false; 10667 } 10668 10669 @Override 10670 protected boolean isPackageForFilter(String packageName, 10671 PackageParser.ActivityIntentInfo info) { 10672 return packageName.equals(info.activity.owner.packageName); 10673 } 10674 10675 @Override 10676 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10677 int match, int userId) { 10678 if (!sUserManager.exists(userId)) return null; 10679 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10680 return null; 10681 } 10682 final PackageParser.Activity activity = info.activity; 10683 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10684 if (ps == null) { 10685 return null; 10686 } 10687 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10688 ps.readUserState(userId), userId); 10689 if (ai == null) { 10690 return null; 10691 } 10692 final ResolveInfo res = new ResolveInfo(); 10693 res.activityInfo = ai; 10694 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10695 res.filter = info; 10696 } 10697 if (info != null) { 10698 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10699 } 10700 res.priority = info.getPriority(); 10701 res.preferredOrder = activity.owner.mPreferredOrder; 10702 //System.out.println("Result: " + res.activityInfo.className + 10703 // " = " + res.priority); 10704 res.match = match; 10705 res.isDefault = info.hasDefault; 10706 res.labelRes = info.labelRes; 10707 res.nonLocalizedLabel = info.nonLocalizedLabel; 10708 if (userNeedsBadging(userId)) { 10709 res.noResourceId = true; 10710 } else { 10711 res.icon = info.icon; 10712 } 10713 res.iconResourceId = info.icon; 10714 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10715 return res; 10716 } 10717 10718 @Override 10719 protected void sortResults(List<ResolveInfo> results) { 10720 Collections.sort(results, mResolvePrioritySorter); 10721 } 10722 10723 @Override 10724 protected void dumpFilter(PrintWriter out, String prefix, 10725 PackageParser.ActivityIntentInfo filter) { 10726 out.print(prefix); out.print( 10727 Integer.toHexString(System.identityHashCode(filter.activity))); 10728 out.print(' '); 10729 filter.activity.printComponentShortName(out); 10730 out.print(" filter "); 10731 out.println(Integer.toHexString(System.identityHashCode(filter))); 10732 } 10733 10734 @Override 10735 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10736 return filter.activity; 10737 } 10738 10739 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10740 PackageParser.Activity activity = (PackageParser.Activity)label; 10741 out.print(prefix); out.print( 10742 Integer.toHexString(System.identityHashCode(activity))); 10743 out.print(' '); 10744 activity.printComponentShortName(out); 10745 if (count > 1) { 10746 out.print(" ("); out.print(count); out.print(" filters)"); 10747 } 10748 out.println(); 10749 } 10750 10751 // Keys are String (activity class name), values are Activity. 10752 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10753 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10754 private int mFlags; 10755 } 10756 10757 private final class ServiceIntentResolver 10758 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10759 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10760 boolean defaultOnly, int userId) { 10761 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10762 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10763 } 10764 10765 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10766 int userId) { 10767 if (!sUserManager.exists(userId)) return null; 10768 mFlags = flags; 10769 return super.queryIntent(intent, resolvedType, 10770 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10771 } 10772 10773 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10774 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10775 if (!sUserManager.exists(userId)) return null; 10776 if (packageServices == null) { 10777 return null; 10778 } 10779 mFlags = flags; 10780 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10781 final int N = packageServices.size(); 10782 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10783 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10784 10785 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10786 for (int i = 0; i < N; ++i) { 10787 intentFilters = packageServices.get(i).intents; 10788 if (intentFilters != null && intentFilters.size() > 0) { 10789 PackageParser.ServiceIntentInfo[] array = 10790 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10791 intentFilters.toArray(array); 10792 listCut.add(array); 10793 } 10794 } 10795 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10796 } 10797 10798 public final void addService(PackageParser.Service s) { 10799 mServices.put(s.getComponentName(), s); 10800 if (DEBUG_SHOW_INFO) { 10801 Log.v(TAG, " " 10802 + (s.info.nonLocalizedLabel != null 10803 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10804 Log.v(TAG, " Class=" + s.info.name); 10805 } 10806 final int NI = s.intents.size(); 10807 int j; 10808 for (j=0; j<NI; j++) { 10809 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10810 if (DEBUG_SHOW_INFO) { 10811 Log.v(TAG, " IntentFilter:"); 10812 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10813 } 10814 if (!intent.debugCheck()) { 10815 Log.w(TAG, "==> For Service " + s.info.name); 10816 } 10817 addFilter(intent); 10818 } 10819 } 10820 10821 public final void removeService(PackageParser.Service s) { 10822 mServices.remove(s.getComponentName()); 10823 if (DEBUG_SHOW_INFO) { 10824 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10825 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10826 Log.v(TAG, " Class=" + s.info.name); 10827 } 10828 final int NI = s.intents.size(); 10829 int j; 10830 for (j=0; j<NI; j++) { 10831 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10832 if (DEBUG_SHOW_INFO) { 10833 Log.v(TAG, " IntentFilter:"); 10834 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10835 } 10836 removeFilter(intent); 10837 } 10838 } 10839 10840 @Override 10841 protected boolean allowFilterResult( 10842 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10843 ServiceInfo filterSi = filter.service.info; 10844 for (int i=dest.size()-1; i>=0; i--) { 10845 ServiceInfo destAi = dest.get(i).serviceInfo; 10846 if (destAi.name == filterSi.name 10847 && destAi.packageName == filterSi.packageName) { 10848 return false; 10849 } 10850 } 10851 return true; 10852 } 10853 10854 @Override 10855 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10856 return new PackageParser.ServiceIntentInfo[size]; 10857 } 10858 10859 @Override 10860 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10861 if (!sUserManager.exists(userId)) return true; 10862 PackageParser.Package p = filter.service.owner; 10863 if (p != null) { 10864 PackageSetting ps = (PackageSetting)p.mExtras; 10865 if (ps != null) { 10866 // System apps are never considered stopped for purposes of 10867 // filtering, because there may be no way for the user to 10868 // actually re-launch them. 10869 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10870 && ps.getStopped(userId); 10871 } 10872 } 10873 return false; 10874 } 10875 10876 @Override 10877 protected boolean isPackageForFilter(String packageName, 10878 PackageParser.ServiceIntentInfo info) { 10879 return packageName.equals(info.service.owner.packageName); 10880 } 10881 10882 @Override 10883 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10884 int match, int userId) { 10885 if (!sUserManager.exists(userId)) return null; 10886 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10887 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10888 return null; 10889 } 10890 final PackageParser.Service service = info.service; 10891 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10892 if (ps == null) { 10893 return null; 10894 } 10895 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10896 ps.readUserState(userId), userId); 10897 if (si == null) { 10898 return null; 10899 } 10900 final ResolveInfo res = new ResolveInfo(); 10901 res.serviceInfo = si; 10902 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10903 res.filter = filter; 10904 } 10905 res.priority = info.getPriority(); 10906 res.preferredOrder = service.owner.mPreferredOrder; 10907 res.match = match; 10908 res.isDefault = info.hasDefault; 10909 res.labelRes = info.labelRes; 10910 res.nonLocalizedLabel = info.nonLocalizedLabel; 10911 res.icon = info.icon; 10912 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10913 return res; 10914 } 10915 10916 @Override 10917 protected void sortResults(List<ResolveInfo> results) { 10918 Collections.sort(results, mResolvePrioritySorter); 10919 } 10920 10921 @Override 10922 protected void dumpFilter(PrintWriter out, String prefix, 10923 PackageParser.ServiceIntentInfo filter) { 10924 out.print(prefix); out.print( 10925 Integer.toHexString(System.identityHashCode(filter.service))); 10926 out.print(' '); 10927 filter.service.printComponentShortName(out); 10928 out.print(" filter "); 10929 out.println(Integer.toHexString(System.identityHashCode(filter))); 10930 } 10931 10932 @Override 10933 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10934 return filter.service; 10935 } 10936 10937 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10938 PackageParser.Service service = (PackageParser.Service)label; 10939 out.print(prefix); out.print( 10940 Integer.toHexString(System.identityHashCode(service))); 10941 out.print(' '); 10942 service.printComponentShortName(out); 10943 if (count > 1) { 10944 out.print(" ("); out.print(count); out.print(" filters)"); 10945 } 10946 out.println(); 10947 } 10948 10949// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10950// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10951// final List<ResolveInfo> retList = Lists.newArrayList(); 10952// while (i.hasNext()) { 10953// final ResolveInfo resolveInfo = (ResolveInfo) i; 10954// if (isEnabledLP(resolveInfo.serviceInfo)) { 10955// retList.add(resolveInfo); 10956// } 10957// } 10958// return retList; 10959// } 10960 10961 // Keys are String (activity class name), values are Activity. 10962 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10963 = new ArrayMap<ComponentName, PackageParser.Service>(); 10964 private int mFlags; 10965 }; 10966 10967 private final class ProviderIntentResolver 10968 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10969 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10970 boolean defaultOnly, int userId) { 10971 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10972 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10973 } 10974 10975 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10976 int userId) { 10977 if (!sUserManager.exists(userId)) 10978 return null; 10979 mFlags = flags; 10980 return super.queryIntent(intent, resolvedType, 10981 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10982 } 10983 10984 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10985 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10986 if (!sUserManager.exists(userId)) 10987 return null; 10988 if (packageProviders == null) { 10989 return null; 10990 } 10991 mFlags = flags; 10992 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10993 final int N = packageProviders.size(); 10994 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10995 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10996 10997 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10998 for (int i = 0; i < N; ++i) { 10999 intentFilters = packageProviders.get(i).intents; 11000 if (intentFilters != null && intentFilters.size() > 0) { 11001 PackageParser.ProviderIntentInfo[] array = 11002 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11003 intentFilters.toArray(array); 11004 listCut.add(array); 11005 } 11006 } 11007 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11008 } 11009 11010 public final void addProvider(PackageParser.Provider p) { 11011 if (mProviders.containsKey(p.getComponentName())) { 11012 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11013 return; 11014 } 11015 11016 mProviders.put(p.getComponentName(), p); 11017 if (DEBUG_SHOW_INFO) { 11018 Log.v(TAG, " " 11019 + (p.info.nonLocalizedLabel != null 11020 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11021 Log.v(TAG, " Class=" + p.info.name); 11022 } 11023 final int NI = p.intents.size(); 11024 int j; 11025 for (j = 0; j < NI; j++) { 11026 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11027 if (DEBUG_SHOW_INFO) { 11028 Log.v(TAG, " IntentFilter:"); 11029 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11030 } 11031 if (!intent.debugCheck()) { 11032 Log.w(TAG, "==> For Provider " + p.info.name); 11033 } 11034 addFilter(intent); 11035 } 11036 } 11037 11038 public final void removeProvider(PackageParser.Provider p) { 11039 mProviders.remove(p.getComponentName()); 11040 if (DEBUG_SHOW_INFO) { 11041 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11042 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11043 Log.v(TAG, " Class=" + p.info.name); 11044 } 11045 final int NI = p.intents.size(); 11046 int j; 11047 for (j = 0; j < NI; j++) { 11048 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11049 if (DEBUG_SHOW_INFO) { 11050 Log.v(TAG, " IntentFilter:"); 11051 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11052 } 11053 removeFilter(intent); 11054 } 11055 } 11056 11057 @Override 11058 protected boolean allowFilterResult( 11059 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11060 ProviderInfo filterPi = filter.provider.info; 11061 for (int i = dest.size() - 1; i >= 0; i--) { 11062 ProviderInfo destPi = dest.get(i).providerInfo; 11063 if (destPi.name == filterPi.name 11064 && destPi.packageName == filterPi.packageName) { 11065 return false; 11066 } 11067 } 11068 return true; 11069 } 11070 11071 @Override 11072 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11073 return new PackageParser.ProviderIntentInfo[size]; 11074 } 11075 11076 @Override 11077 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11078 if (!sUserManager.exists(userId)) 11079 return true; 11080 PackageParser.Package p = filter.provider.owner; 11081 if (p != null) { 11082 PackageSetting ps = (PackageSetting) p.mExtras; 11083 if (ps != null) { 11084 // System apps are never considered stopped for purposes of 11085 // filtering, because there may be no way for the user to 11086 // actually re-launch them. 11087 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11088 && ps.getStopped(userId); 11089 } 11090 } 11091 return false; 11092 } 11093 11094 @Override 11095 protected boolean isPackageForFilter(String packageName, 11096 PackageParser.ProviderIntentInfo info) { 11097 return packageName.equals(info.provider.owner.packageName); 11098 } 11099 11100 @Override 11101 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11102 int match, int userId) { 11103 if (!sUserManager.exists(userId)) 11104 return null; 11105 final PackageParser.ProviderIntentInfo info = filter; 11106 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11107 return null; 11108 } 11109 final PackageParser.Provider provider = info.provider; 11110 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11111 if (ps == null) { 11112 return null; 11113 } 11114 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11115 ps.readUserState(userId), userId); 11116 if (pi == null) { 11117 return null; 11118 } 11119 final ResolveInfo res = new ResolveInfo(); 11120 res.providerInfo = pi; 11121 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11122 res.filter = filter; 11123 } 11124 res.priority = info.getPriority(); 11125 res.preferredOrder = provider.owner.mPreferredOrder; 11126 res.match = match; 11127 res.isDefault = info.hasDefault; 11128 res.labelRes = info.labelRes; 11129 res.nonLocalizedLabel = info.nonLocalizedLabel; 11130 res.icon = info.icon; 11131 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11132 return res; 11133 } 11134 11135 @Override 11136 protected void sortResults(List<ResolveInfo> results) { 11137 Collections.sort(results, mResolvePrioritySorter); 11138 } 11139 11140 @Override 11141 protected void dumpFilter(PrintWriter out, String prefix, 11142 PackageParser.ProviderIntentInfo filter) { 11143 out.print(prefix); 11144 out.print( 11145 Integer.toHexString(System.identityHashCode(filter.provider))); 11146 out.print(' '); 11147 filter.provider.printComponentShortName(out); 11148 out.print(" filter "); 11149 out.println(Integer.toHexString(System.identityHashCode(filter))); 11150 } 11151 11152 @Override 11153 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11154 return filter.provider; 11155 } 11156 11157 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11158 PackageParser.Provider provider = (PackageParser.Provider)label; 11159 out.print(prefix); out.print( 11160 Integer.toHexString(System.identityHashCode(provider))); 11161 out.print(' '); 11162 provider.printComponentShortName(out); 11163 if (count > 1) { 11164 out.print(" ("); out.print(count); out.print(" filters)"); 11165 } 11166 out.println(); 11167 } 11168 11169 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11170 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11171 private int mFlags; 11172 } 11173 11174 private static final class EphemeralIntentResolver 11175 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11176 @Override 11177 protected EphemeralResolveIntentInfo[] newArray(int size) { 11178 return new EphemeralResolveIntentInfo[size]; 11179 } 11180 11181 @Override 11182 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11183 return true; 11184 } 11185 11186 @Override 11187 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11188 int userId) { 11189 if (!sUserManager.exists(userId)) { 11190 return null; 11191 } 11192 return info.getEphemeralResolveInfo(); 11193 } 11194 } 11195 11196 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11197 new Comparator<ResolveInfo>() { 11198 public int compare(ResolveInfo r1, ResolveInfo r2) { 11199 int v1 = r1.priority; 11200 int v2 = r2.priority; 11201 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11202 if (v1 != v2) { 11203 return (v1 > v2) ? -1 : 1; 11204 } 11205 v1 = r1.preferredOrder; 11206 v2 = r2.preferredOrder; 11207 if (v1 != v2) { 11208 return (v1 > v2) ? -1 : 1; 11209 } 11210 if (r1.isDefault != r2.isDefault) { 11211 return r1.isDefault ? -1 : 1; 11212 } 11213 v1 = r1.match; 11214 v2 = r2.match; 11215 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11216 if (v1 != v2) { 11217 return (v1 > v2) ? -1 : 1; 11218 } 11219 if (r1.system != r2.system) { 11220 return r1.system ? -1 : 1; 11221 } 11222 if (r1.activityInfo != null) { 11223 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11224 } 11225 if (r1.serviceInfo != null) { 11226 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11227 } 11228 if (r1.providerInfo != null) { 11229 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11230 } 11231 return 0; 11232 } 11233 }; 11234 11235 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11236 new Comparator<ProviderInfo>() { 11237 public int compare(ProviderInfo p1, ProviderInfo p2) { 11238 final int v1 = p1.initOrder; 11239 final int v2 = p2.initOrder; 11240 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11241 } 11242 }; 11243 11244 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11245 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11246 final int[] userIds) { 11247 mHandler.post(new Runnable() { 11248 @Override 11249 public void run() { 11250 try { 11251 final IActivityManager am = ActivityManagerNative.getDefault(); 11252 if (am == null) return; 11253 final int[] resolvedUserIds; 11254 if (userIds == null) { 11255 resolvedUserIds = am.getRunningUserIds(); 11256 } else { 11257 resolvedUserIds = userIds; 11258 } 11259 for (int id : resolvedUserIds) { 11260 final Intent intent = new Intent(action, 11261 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11262 if (extras != null) { 11263 intent.putExtras(extras); 11264 } 11265 if (targetPkg != null) { 11266 intent.setPackage(targetPkg); 11267 } 11268 // Modify the UID when posting to other users 11269 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11270 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11271 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11272 intent.putExtra(Intent.EXTRA_UID, uid); 11273 } 11274 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11275 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11276 if (DEBUG_BROADCASTS) { 11277 RuntimeException here = new RuntimeException("here"); 11278 here.fillInStackTrace(); 11279 Slog.d(TAG, "Sending to user " + id + ": " 11280 + intent.toShortString(false, true, false, false) 11281 + " " + intent.getExtras(), here); 11282 } 11283 am.broadcastIntent(null, intent, null, finishedReceiver, 11284 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11285 null, finishedReceiver != null, false, id); 11286 } 11287 } catch (RemoteException ex) { 11288 } 11289 } 11290 }); 11291 } 11292 11293 /** 11294 * Check if the external storage media is available. This is true if there 11295 * is a mounted external storage medium or if the external storage is 11296 * emulated. 11297 */ 11298 private boolean isExternalMediaAvailable() { 11299 return mMediaMounted || Environment.isExternalStorageEmulated(); 11300 } 11301 11302 @Override 11303 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11304 // writer 11305 synchronized (mPackages) { 11306 if (!isExternalMediaAvailable()) { 11307 // If the external storage is no longer mounted at this point, 11308 // the caller may not have been able to delete all of this 11309 // packages files and can not delete any more. Bail. 11310 return null; 11311 } 11312 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11313 if (lastPackage != null) { 11314 pkgs.remove(lastPackage); 11315 } 11316 if (pkgs.size() > 0) { 11317 return pkgs.get(0); 11318 } 11319 } 11320 return null; 11321 } 11322 11323 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11324 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11325 userId, andCode ? 1 : 0, packageName); 11326 if (mSystemReady) { 11327 msg.sendToTarget(); 11328 } else { 11329 if (mPostSystemReadyMessages == null) { 11330 mPostSystemReadyMessages = new ArrayList<>(); 11331 } 11332 mPostSystemReadyMessages.add(msg); 11333 } 11334 } 11335 11336 void startCleaningPackages() { 11337 // reader 11338 if (!isExternalMediaAvailable()) { 11339 return; 11340 } 11341 synchronized (mPackages) { 11342 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11343 return; 11344 } 11345 } 11346 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11347 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11348 IActivityManager am = ActivityManagerNative.getDefault(); 11349 if (am != null) { 11350 try { 11351 am.startService(null, intent, null, mContext.getOpPackageName(), 11352 UserHandle.USER_SYSTEM); 11353 } catch (RemoteException e) { 11354 } 11355 } 11356 } 11357 11358 @Override 11359 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11360 int installFlags, String installerPackageName, int userId) { 11361 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11362 11363 final int callingUid = Binder.getCallingUid(); 11364 enforceCrossUserPermission(callingUid, userId, 11365 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11366 11367 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11368 try { 11369 if (observer != null) { 11370 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11371 } 11372 } catch (RemoteException re) { 11373 } 11374 return; 11375 } 11376 11377 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11378 installFlags |= PackageManager.INSTALL_FROM_ADB; 11379 11380 } else { 11381 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11382 // about installerPackageName. 11383 11384 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11385 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11386 } 11387 11388 UserHandle user; 11389 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11390 user = UserHandle.ALL; 11391 } else { 11392 user = new UserHandle(userId); 11393 } 11394 11395 // Only system components can circumvent runtime permissions when installing. 11396 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11397 && mContext.checkCallingOrSelfPermission(Manifest.permission 11398 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11399 throw new SecurityException("You need the " 11400 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11401 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11402 } 11403 11404 final File originFile = new File(originPath); 11405 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11406 11407 final Message msg = mHandler.obtainMessage(INIT_COPY); 11408 final VerificationInfo verificationInfo = new VerificationInfo( 11409 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11410 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11411 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11412 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11413 null /*certificates*/); 11414 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11415 msg.obj = params; 11416 11417 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11418 System.identityHashCode(msg.obj)); 11419 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11420 System.identityHashCode(msg.obj)); 11421 11422 mHandler.sendMessage(msg); 11423 } 11424 11425 void installStage(String packageName, File stagedDir, String stagedCid, 11426 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11427 String installerPackageName, int installerUid, UserHandle user, 11428 Certificate[][] certificates) { 11429 if (DEBUG_EPHEMERAL) { 11430 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11431 Slog.d(TAG, "Ephemeral install of " + packageName); 11432 } 11433 } 11434 final VerificationInfo verificationInfo = new VerificationInfo( 11435 sessionParams.originatingUri, sessionParams.referrerUri, 11436 sessionParams.originatingUid, installerUid); 11437 11438 final OriginInfo origin; 11439 if (stagedDir != null) { 11440 origin = OriginInfo.fromStagedFile(stagedDir); 11441 } else { 11442 origin = OriginInfo.fromStagedContainer(stagedCid); 11443 } 11444 11445 final Message msg = mHandler.obtainMessage(INIT_COPY); 11446 final InstallParams params = new InstallParams(origin, null, observer, 11447 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11448 verificationInfo, user, sessionParams.abiOverride, 11449 sessionParams.grantedRuntimePermissions, certificates); 11450 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11451 msg.obj = params; 11452 11453 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11454 System.identityHashCode(msg.obj)); 11455 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11456 System.identityHashCode(msg.obj)); 11457 11458 mHandler.sendMessage(msg); 11459 } 11460 11461 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11462 int userId) { 11463 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11464 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11465 } 11466 11467 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11468 int appId, int userId) { 11469 Bundle extras = new Bundle(1); 11470 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11471 11472 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11473 packageName, extras, 0, null, null, new int[] {userId}); 11474 try { 11475 IActivityManager am = ActivityManagerNative.getDefault(); 11476 if (isSystem && am.isUserRunning(userId, 0)) { 11477 // The just-installed/enabled app is bundled on the system, so presumed 11478 // to be able to run automatically without needing an explicit launch. 11479 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11480 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11481 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11482 .setPackage(packageName); 11483 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11484 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11485 } 11486 } catch (RemoteException e) { 11487 // shouldn't happen 11488 Slog.w(TAG, "Unable to bootstrap installed package", e); 11489 } 11490 } 11491 11492 @Override 11493 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11494 int userId) { 11495 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11496 PackageSetting pkgSetting; 11497 final int uid = Binder.getCallingUid(); 11498 enforceCrossUserPermission(uid, userId, 11499 true /* requireFullPermission */, true /* checkShell */, 11500 "setApplicationHiddenSetting for user " + userId); 11501 11502 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11503 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11504 return false; 11505 } 11506 11507 long callingId = Binder.clearCallingIdentity(); 11508 try { 11509 boolean sendAdded = false; 11510 boolean sendRemoved = false; 11511 // writer 11512 synchronized (mPackages) { 11513 pkgSetting = mSettings.mPackages.get(packageName); 11514 if (pkgSetting == null) { 11515 return false; 11516 } 11517 // Do not allow "android" is being disabled 11518 if ("android".equals(packageName)) { 11519 Slog.w(TAG, "Cannot hide package: android"); 11520 return false; 11521 } 11522 // Only allow protected packages to hide themselves. 11523 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11524 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11525 Slog.w(TAG, "Not hiding protected package: " + packageName); 11526 return false; 11527 } 11528 11529 if (pkgSetting.getHidden(userId) != hidden) { 11530 pkgSetting.setHidden(hidden, userId); 11531 mSettings.writePackageRestrictionsLPr(userId); 11532 if (hidden) { 11533 sendRemoved = true; 11534 } else { 11535 sendAdded = true; 11536 } 11537 } 11538 } 11539 if (sendAdded) { 11540 sendPackageAddedForUser(packageName, pkgSetting, userId); 11541 return true; 11542 } 11543 if (sendRemoved) { 11544 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11545 "hiding pkg"); 11546 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11547 return true; 11548 } 11549 } finally { 11550 Binder.restoreCallingIdentity(callingId); 11551 } 11552 return false; 11553 } 11554 11555 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11556 int userId) { 11557 final PackageRemovedInfo info = new PackageRemovedInfo(); 11558 info.removedPackage = packageName; 11559 info.removedUsers = new int[] {userId}; 11560 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11561 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11562 } 11563 11564 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11565 if (pkgList.length > 0) { 11566 Bundle extras = new Bundle(1); 11567 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11568 11569 sendPackageBroadcast( 11570 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11571 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11572 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11573 new int[] {userId}); 11574 } 11575 } 11576 11577 /** 11578 * Returns true if application is not found or there was an error. Otherwise it returns 11579 * the hidden state of the package for the given user. 11580 */ 11581 @Override 11582 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11583 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11584 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11585 true /* requireFullPermission */, false /* checkShell */, 11586 "getApplicationHidden for user " + userId); 11587 PackageSetting pkgSetting; 11588 long callingId = Binder.clearCallingIdentity(); 11589 try { 11590 // writer 11591 synchronized (mPackages) { 11592 pkgSetting = mSettings.mPackages.get(packageName); 11593 if (pkgSetting == null) { 11594 return true; 11595 } 11596 return pkgSetting.getHidden(userId); 11597 } 11598 } finally { 11599 Binder.restoreCallingIdentity(callingId); 11600 } 11601 } 11602 11603 /** 11604 * @hide 11605 */ 11606 @Override 11607 public int installExistingPackageAsUser(String packageName, int userId) { 11608 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11609 null); 11610 PackageSetting pkgSetting; 11611 final int uid = Binder.getCallingUid(); 11612 enforceCrossUserPermission(uid, userId, 11613 true /* requireFullPermission */, true /* checkShell */, 11614 "installExistingPackage for user " + userId); 11615 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11616 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11617 } 11618 11619 long callingId = Binder.clearCallingIdentity(); 11620 try { 11621 boolean installed = false; 11622 11623 // writer 11624 synchronized (mPackages) { 11625 pkgSetting = mSettings.mPackages.get(packageName); 11626 if (pkgSetting == null) { 11627 return PackageManager.INSTALL_FAILED_INVALID_URI; 11628 } 11629 if (!pkgSetting.getInstalled(userId)) { 11630 pkgSetting.setInstalled(true, userId); 11631 pkgSetting.setHidden(false, userId); 11632 mSettings.writePackageRestrictionsLPr(userId); 11633 installed = true; 11634 } 11635 } 11636 11637 if (installed) { 11638 if (pkgSetting.pkg != null) { 11639 synchronized (mInstallLock) { 11640 // We don't need to freeze for a brand new install 11641 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11642 } 11643 } 11644 sendPackageAddedForUser(packageName, pkgSetting, userId); 11645 } 11646 } finally { 11647 Binder.restoreCallingIdentity(callingId); 11648 } 11649 11650 return PackageManager.INSTALL_SUCCEEDED; 11651 } 11652 11653 boolean isUserRestricted(int userId, String restrictionKey) { 11654 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11655 if (restrictions.getBoolean(restrictionKey, false)) { 11656 Log.w(TAG, "User is restricted: " + restrictionKey); 11657 return true; 11658 } 11659 return false; 11660 } 11661 11662 @Override 11663 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11664 int userId) { 11665 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11666 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11667 true /* requireFullPermission */, true /* checkShell */, 11668 "setPackagesSuspended for user " + userId); 11669 11670 if (ArrayUtils.isEmpty(packageNames)) { 11671 return packageNames; 11672 } 11673 11674 // List of package names for whom the suspended state has changed. 11675 List<String> changedPackages = new ArrayList<>(packageNames.length); 11676 // List of package names for whom the suspended state is not set as requested in this 11677 // method. 11678 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11679 long callingId = Binder.clearCallingIdentity(); 11680 try { 11681 for (int i = 0; i < packageNames.length; i++) { 11682 String packageName = packageNames[i]; 11683 boolean changed = false; 11684 final int appId; 11685 synchronized (mPackages) { 11686 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11687 if (pkgSetting == null) { 11688 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11689 + "\". Skipping suspending/un-suspending."); 11690 unactionedPackages.add(packageName); 11691 continue; 11692 } 11693 appId = pkgSetting.appId; 11694 if (pkgSetting.getSuspended(userId) != suspended) { 11695 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11696 unactionedPackages.add(packageName); 11697 continue; 11698 } 11699 pkgSetting.setSuspended(suspended, userId); 11700 mSettings.writePackageRestrictionsLPr(userId); 11701 changed = true; 11702 changedPackages.add(packageName); 11703 } 11704 } 11705 11706 if (changed && suspended) { 11707 killApplication(packageName, UserHandle.getUid(userId, appId), 11708 "suspending package"); 11709 } 11710 } 11711 } finally { 11712 Binder.restoreCallingIdentity(callingId); 11713 } 11714 11715 if (!changedPackages.isEmpty()) { 11716 sendPackagesSuspendedForUser(changedPackages.toArray( 11717 new String[changedPackages.size()]), userId, suspended); 11718 } 11719 11720 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11721 } 11722 11723 @Override 11724 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11725 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11726 true /* requireFullPermission */, false /* checkShell */, 11727 "isPackageSuspendedForUser for user " + userId); 11728 synchronized (mPackages) { 11729 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11730 if (pkgSetting == null) { 11731 throw new IllegalArgumentException("Unknown target package: " + packageName); 11732 } 11733 return pkgSetting.getSuspended(userId); 11734 } 11735 } 11736 11737 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11738 if (isPackageDeviceAdmin(packageName, userId)) { 11739 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11740 + "\": has an active device admin"); 11741 return false; 11742 } 11743 11744 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11745 if (packageName.equals(activeLauncherPackageName)) { 11746 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11747 + "\": contains the active launcher"); 11748 return false; 11749 } 11750 11751 if (packageName.equals(mRequiredInstallerPackage)) { 11752 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11753 + "\": required for package installation"); 11754 return false; 11755 } 11756 11757 if (packageName.equals(mRequiredVerifierPackage)) { 11758 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11759 + "\": required for package verification"); 11760 return false; 11761 } 11762 11763 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11764 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11765 + "\": is the default dialer"); 11766 return false; 11767 } 11768 11769 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11770 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11771 + "\": protected package"); 11772 return false; 11773 } 11774 11775 return true; 11776 } 11777 11778 private String getActiveLauncherPackageName(int userId) { 11779 Intent intent = new Intent(Intent.ACTION_MAIN); 11780 intent.addCategory(Intent.CATEGORY_HOME); 11781 ResolveInfo resolveInfo = resolveIntent( 11782 intent, 11783 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11784 PackageManager.MATCH_DEFAULT_ONLY, 11785 userId); 11786 11787 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11788 } 11789 11790 private String getDefaultDialerPackageName(int userId) { 11791 synchronized (mPackages) { 11792 return mSettings.getDefaultDialerPackageNameLPw(userId); 11793 } 11794 } 11795 11796 @Override 11797 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11798 mContext.enforceCallingOrSelfPermission( 11799 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11800 "Only package verification agents can verify applications"); 11801 11802 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11803 final PackageVerificationResponse response = new PackageVerificationResponse( 11804 verificationCode, Binder.getCallingUid()); 11805 msg.arg1 = id; 11806 msg.obj = response; 11807 mHandler.sendMessage(msg); 11808 } 11809 11810 @Override 11811 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11812 long millisecondsToDelay) { 11813 mContext.enforceCallingOrSelfPermission( 11814 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11815 "Only package verification agents can extend verification timeouts"); 11816 11817 final PackageVerificationState state = mPendingVerification.get(id); 11818 final PackageVerificationResponse response = new PackageVerificationResponse( 11819 verificationCodeAtTimeout, Binder.getCallingUid()); 11820 11821 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11822 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11823 } 11824 if (millisecondsToDelay < 0) { 11825 millisecondsToDelay = 0; 11826 } 11827 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11828 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11829 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11830 } 11831 11832 if ((state != null) && !state.timeoutExtended()) { 11833 state.extendTimeout(); 11834 11835 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11836 msg.arg1 = id; 11837 msg.obj = response; 11838 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11839 } 11840 } 11841 11842 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11843 int verificationCode, UserHandle user) { 11844 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11845 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11846 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11847 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11848 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11849 11850 mContext.sendBroadcastAsUser(intent, user, 11851 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11852 } 11853 11854 private ComponentName matchComponentForVerifier(String packageName, 11855 List<ResolveInfo> receivers) { 11856 ActivityInfo targetReceiver = null; 11857 11858 final int NR = receivers.size(); 11859 for (int i = 0; i < NR; i++) { 11860 final ResolveInfo info = receivers.get(i); 11861 if (info.activityInfo == null) { 11862 continue; 11863 } 11864 11865 if (packageName.equals(info.activityInfo.packageName)) { 11866 targetReceiver = info.activityInfo; 11867 break; 11868 } 11869 } 11870 11871 if (targetReceiver == null) { 11872 return null; 11873 } 11874 11875 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11876 } 11877 11878 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11879 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11880 if (pkgInfo.verifiers.length == 0) { 11881 return null; 11882 } 11883 11884 final int N = pkgInfo.verifiers.length; 11885 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11886 for (int i = 0; i < N; i++) { 11887 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11888 11889 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11890 receivers); 11891 if (comp == null) { 11892 continue; 11893 } 11894 11895 final int verifierUid = getUidForVerifier(verifierInfo); 11896 if (verifierUid == -1) { 11897 continue; 11898 } 11899 11900 if (DEBUG_VERIFY) { 11901 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11902 + " with the correct signature"); 11903 } 11904 sufficientVerifiers.add(comp); 11905 verificationState.addSufficientVerifier(verifierUid); 11906 } 11907 11908 return sufficientVerifiers; 11909 } 11910 11911 private int getUidForVerifier(VerifierInfo verifierInfo) { 11912 synchronized (mPackages) { 11913 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11914 if (pkg == null) { 11915 return -1; 11916 } else if (pkg.mSignatures.length != 1) { 11917 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11918 + " has more than one signature; ignoring"); 11919 return -1; 11920 } 11921 11922 /* 11923 * If the public key of the package's signature does not match 11924 * our expected public key, then this is a different package and 11925 * we should skip. 11926 */ 11927 11928 final byte[] expectedPublicKey; 11929 try { 11930 final Signature verifierSig = pkg.mSignatures[0]; 11931 final PublicKey publicKey = verifierSig.getPublicKey(); 11932 expectedPublicKey = publicKey.getEncoded(); 11933 } catch (CertificateException e) { 11934 return -1; 11935 } 11936 11937 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11938 11939 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11940 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11941 + " does not have the expected public key; ignoring"); 11942 return -1; 11943 } 11944 11945 return pkg.applicationInfo.uid; 11946 } 11947 } 11948 11949 @Override 11950 public void finishPackageInstall(int token, boolean didLaunch) { 11951 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11952 11953 if (DEBUG_INSTALL) { 11954 Slog.v(TAG, "BM finishing package install for " + token); 11955 } 11956 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11957 11958 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11959 mHandler.sendMessage(msg); 11960 } 11961 11962 /** 11963 * Get the verification agent timeout. 11964 * 11965 * @return verification timeout in milliseconds 11966 */ 11967 private long getVerificationTimeout() { 11968 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11969 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11970 DEFAULT_VERIFICATION_TIMEOUT); 11971 } 11972 11973 /** 11974 * Get the default verification agent response code. 11975 * 11976 * @return default verification response code 11977 */ 11978 private int getDefaultVerificationResponse() { 11979 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11980 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11981 DEFAULT_VERIFICATION_RESPONSE); 11982 } 11983 11984 /** 11985 * Check whether or not package verification has been enabled. 11986 * 11987 * @return true if verification should be performed 11988 */ 11989 private boolean isVerificationEnabled(int userId, int installFlags) { 11990 if (!DEFAULT_VERIFY_ENABLE) { 11991 return false; 11992 } 11993 // Ephemeral apps don't get the full verification treatment 11994 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11995 if (DEBUG_EPHEMERAL) { 11996 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11997 } 11998 return false; 11999 } 12000 12001 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12002 12003 // Check if installing from ADB 12004 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12005 // Do not run verification in a test harness environment 12006 if (ActivityManager.isRunningInTestHarness()) { 12007 return false; 12008 } 12009 if (ensureVerifyAppsEnabled) { 12010 return true; 12011 } 12012 // Check if the developer does not want package verification for ADB installs 12013 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12014 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12015 return false; 12016 } 12017 } 12018 12019 if (ensureVerifyAppsEnabled) { 12020 return true; 12021 } 12022 12023 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12024 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12025 } 12026 12027 @Override 12028 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12029 throws RemoteException { 12030 mContext.enforceCallingOrSelfPermission( 12031 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12032 "Only intentfilter verification agents can verify applications"); 12033 12034 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12035 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12036 Binder.getCallingUid(), verificationCode, failedDomains); 12037 msg.arg1 = id; 12038 msg.obj = response; 12039 mHandler.sendMessage(msg); 12040 } 12041 12042 @Override 12043 public int getIntentVerificationStatus(String packageName, int userId) { 12044 synchronized (mPackages) { 12045 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12046 } 12047 } 12048 12049 @Override 12050 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12051 mContext.enforceCallingOrSelfPermission( 12052 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12053 12054 boolean result = false; 12055 synchronized (mPackages) { 12056 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12057 } 12058 if (result) { 12059 scheduleWritePackageRestrictionsLocked(userId); 12060 } 12061 return result; 12062 } 12063 12064 @Override 12065 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12066 String packageName) { 12067 synchronized (mPackages) { 12068 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12069 } 12070 } 12071 12072 @Override 12073 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12074 if (TextUtils.isEmpty(packageName)) { 12075 return ParceledListSlice.emptyList(); 12076 } 12077 synchronized (mPackages) { 12078 PackageParser.Package pkg = mPackages.get(packageName); 12079 if (pkg == null || pkg.activities == null) { 12080 return ParceledListSlice.emptyList(); 12081 } 12082 final int count = pkg.activities.size(); 12083 ArrayList<IntentFilter> result = new ArrayList<>(); 12084 for (int n=0; n<count; n++) { 12085 PackageParser.Activity activity = pkg.activities.get(n); 12086 if (activity.intents != null && activity.intents.size() > 0) { 12087 result.addAll(activity.intents); 12088 } 12089 } 12090 return new ParceledListSlice<>(result); 12091 } 12092 } 12093 12094 @Override 12095 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12096 mContext.enforceCallingOrSelfPermission( 12097 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12098 12099 synchronized (mPackages) { 12100 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12101 if (packageName != null) { 12102 result |= updateIntentVerificationStatus(packageName, 12103 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12104 userId); 12105 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12106 packageName, userId); 12107 } 12108 return result; 12109 } 12110 } 12111 12112 @Override 12113 public String getDefaultBrowserPackageName(int userId) { 12114 synchronized (mPackages) { 12115 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12116 } 12117 } 12118 12119 /** 12120 * Get the "allow unknown sources" setting. 12121 * 12122 * @return the current "allow unknown sources" setting 12123 */ 12124 private int getUnknownSourcesSettings() { 12125 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12126 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12127 -1); 12128 } 12129 12130 @Override 12131 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12132 final int uid = Binder.getCallingUid(); 12133 // writer 12134 synchronized (mPackages) { 12135 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12136 if (targetPackageSetting == null) { 12137 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12138 } 12139 12140 PackageSetting installerPackageSetting; 12141 if (installerPackageName != null) { 12142 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12143 if (installerPackageSetting == null) { 12144 throw new IllegalArgumentException("Unknown installer package: " 12145 + installerPackageName); 12146 } 12147 } else { 12148 installerPackageSetting = null; 12149 } 12150 12151 Signature[] callerSignature; 12152 Object obj = mSettings.getUserIdLPr(uid); 12153 if (obj != null) { 12154 if (obj instanceof SharedUserSetting) { 12155 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12156 } else if (obj instanceof PackageSetting) { 12157 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12158 } else { 12159 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12160 } 12161 } else { 12162 throw new SecurityException("Unknown calling UID: " + uid); 12163 } 12164 12165 // Verify: can't set installerPackageName to a package that is 12166 // not signed with the same cert as the caller. 12167 if (installerPackageSetting != null) { 12168 if (compareSignatures(callerSignature, 12169 installerPackageSetting.signatures.mSignatures) 12170 != PackageManager.SIGNATURE_MATCH) { 12171 throw new SecurityException( 12172 "Caller does not have same cert as new installer package " 12173 + installerPackageName); 12174 } 12175 } 12176 12177 // Verify: if target already has an installer package, it must 12178 // be signed with the same cert as the caller. 12179 if (targetPackageSetting.installerPackageName != null) { 12180 PackageSetting setting = mSettings.mPackages.get( 12181 targetPackageSetting.installerPackageName); 12182 // If the currently set package isn't valid, then it's always 12183 // okay to change it. 12184 if (setting != null) { 12185 if (compareSignatures(callerSignature, 12186 setting.signatures.mSignatures) 12187 != PackageManager.SIGNATURE_MATCH) { 12188 throw new SecurityException( 12189 "Caller does not have same cert as old installer package " 12190 + targetPackageSetting.installerPackageName); 12191 } 12192 } 12193 } 12194 12195 // Okay! 12196 targetPackageSetting.installerPackageName = installerPackageName; 12197 if (installerPackageName != null) { 12198 mSettings.mInstallerPackages.add(installerPackageName); 12199 } 12200 scheduleWriteSettingsLocked(); 12201 } 12202 } 12203 12204 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12205 // Queue up an async operation since the package installation may take a little while. 12206 mHandler.post(new Runnable() { 12207 public void run() { 12208 mHandler.removeCallbacks(this); 12209 // Result object to be returned 12210 PackageInstalledInfo res = new PackageInstalledInfo(); 12211 res.setReturnCode(currentStatus); 12212 res.uid = -1; 12213 res.pkg = null; 12214 res.removedInfo = null; 12215 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12216 args.doPreInstall(res.returnCode); 12217 synchronized (mInstallLock) { 12218 installPackageTracedLI(args, res); 12219 } 12220 args.doPostInstall(res.returnCode, res.uid); 12221 } 12222 12223 // A restore should be performed at this point if (a) the install 12224 // succeeded, (b) the operation is not an update, and (c) the new 12225 // package has not opted out of backup participation. 12226 final boolean update = res.removedInfo != null 12227 && res.removedInfo.removedPackage != null; 12228 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12229 boolean doRestore = !update 12230 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12231 12232 // Set up the post-install work request bookkeeping. This will be used 12233 // and cleaned up by the post-install event handling regardless of whether 12234 // there's a restore pass performed. Token values are >= 1. 12235 int token; 12236 if (mNextInstallToken < 0) mNextInstallToken = 1; 12237 token = mNextInstallToken++; 12238 12239 PostInstallData data = new PostInstallData(args, res); 12240 mRunningInstalls.put(token, data); 12241 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12242 12243 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12244 // Pass responsibility to the Backup Manager. It will perform a 12245 // restore if appropriate, then pass responsibility back to the 12246 // Package Manager to run the post-install observer callbacks 12247 // and broadcasts. 12248 IBackupManager bm = IBackupManager.Stub.asInterface( 12249 ServiceManager.getService(Context.BACKUP_SERVICE)); 12250 if (bm != null) { 12251 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12252 + " to BM for possible restore"); 12253 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12254 try { 12255 // TODO: http://b/22388012 12256 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12257 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12258 } else { 12259 doRestore = false; 12260 } 12261 } catch (RemoteException e) { 12262 // can't happen; the backup manager is local 12263 } catch (Exception e) { 12264 Slog.e(TAG, "Exception trying to enqueue restore", e); 12265 doRestore = false; 12266 } 12267 } else { 12268 Slog.e(TAG, "Backup Manager not found!"); 12269 doRestore = false; 12270 } 12271 } 12272 12273 if (!doRestore) { 12274 // No restore possible, or the Backup Manager was mysteriously not 12275 // available -- just fire the post-install work request directly. 12276 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12277 12278 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12279 12280 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12281 mHandler.sendMessage(msg); 12282 } 12283 } 12284 }); 12285 } 12286 12287 /** 12288 * Callback from PackageSettings whenever an app is first transitioned out of the 12289 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12290 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12291 * here whether the app is the target of an ongoing install, and only send the 12292 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12293 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12294 * handling. 12295 */ 12296 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12297 // Serialize this with the rest of the install-process message chain. In the 12298 // restore-at-install case, this Runnable will necessarily run before the 12299 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12300 // are coherent. In the non-restore case, the app has already completed install 12301 // and been launched through some other means, so it is not in a problematic 12302 // state for observers to see the FIRST_LAUNCH signal. 12303 mHandler.post(new Runnable() { 12304 @Override 12305 public void run() { 12306 for (int i = 0; i < mRunningInstalls.size(); i++) { 12307 final PostInstallData data = mRunningInstalls.valueAt(i); 12308 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12309 continue; 12310 } 12311 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12312 // right package; but is it for the right user? 12313 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12314 if (userId == data.res.newUsers[uIndex]) { 12315 if (DEBUG_BACKUP) { 12316 Slog.i(TAG, "Package " + pkgName 12317 + " being restored so deferring FIRST_LAUNCH"); 12318 } 12319 return; 12320 } 12321 } 12322 } 12323 } 12324 // didn't find it, so not being restored 12325 if (DEBUG_BACKUP) { 12326 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12327 } 12328 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12329 } 12330 }); 12331 } 12332 12333 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12334 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12335 installerPkg, null, userIds); 12336 } 12337 12338 private abstract class HandlerParams { 12339 private static final int MAX_RETRIES = 4; 12340 12341 /** 12342 * Number of times startCopy() has been attempted and had a non-fatal 12343 * error. 12344 */ 12345 private int mRetries = 0; 12346 12347 /** User handle for the user requesting the information or installation. */ 12348 private final UserHandle mUser; 12349 String traceMethod; 12350 int traceCookie; 12351 12352 HandlerParams(UserHandle user) { 12353 mUser = user; 12354 } 12355 12356 UserHandle getUser() { 12357 return mUser; 12358 } 12359 12360 HandlerParams setTraceMethod(String traceMethod) { 12361 this.traceMethod = traceMethod; 12362 return this; 12363 } 12364 12365 HandlerParams setTraceCookie(int traceCookie) { 12366 this.traceCookie = traceCookie; 12367 return this; 12368 } 12369 12370 final boolean startCopy() { 12371 boolean res; 12372 try { 12373 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12374 12375 if (++mRetries > MAX_RETRIES) { 12376 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12377 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12378 handleServiceError(); 12379 return false; 12380 } else { 12381 handleStartCopy(); 12382 res = true; 12383 } 12384 } catch (RemoteException e) { 12385 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12386 mHandler.sendEmptyMessage(MCS_RECONNECT); 12387 res = false; 12388 } 12389 handleReturnCode(); 12390 return res; 12391 } 12392 12393 final void serviceError() { 12394 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12395 handleServiceError(); 12396 handleReturnCode(); 12397 } 12398 12399 abstract void handleStartCopy() throws RemoteException; 12400 abstract void handleServiceError(); 12401 abstract void handleReturnCode(); 12402 } 12403 12404 class MeasureParams extends HandlerParams { 12405 private final PackageStats mStats; 12406 private boolean mSuccess; 12407 12408 private final IPackageStatsObserver mObserver; 12409 12410 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12411 super(new UserHandle(stats.userHandle)); 12412 mObserver = observer; 12413 mStats = stats; 12414 } 12415 12416 @Override 12417 public String toString() { 12418 return "MeasureParams{" 12419 + Integer.toHexString(System.identityHashCode(this)) 12420 + " " + mStats.packageName + "}"; 12421 } 12422 12423 @Override 12424 void handleStartCopy() throws RemoteException { 12425 synchronized (mInstallLock) { 12426 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12427 } 12428 12429 if (mSuccess) { 12430 boolean mounted = false; 12431 try { 12432 final String status = Environment.getExternalStorageState(); 12433 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12434 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12435 } catch (Exception e) { 12436 } 12437 12438 if (mounted) { 12439 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12440 12441 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12442 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12443 12444 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12445 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12446 12447 // Always subtract cache size, since it's a subdirectory 12448 mStats.externalDataSize -= mStats.externalCacheSize; 12449 12450 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12451 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12452 12453 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12454 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12455 } 12456 } 12457 } 12458 12459 @Override 12460 void handleReturnCode() { 12461 if (mObserver != null) { 12462 try { 12463 mObserver.onGetStatsCompleted(mStats, mSuccess); 12464 } catch (RemoteException e) { 12465 Slog.i(TAG, "Observer no longer exists."); 12466 } 12467 } 12468 } 12469 12470 @Override 12471 void handleServiceError() { 12472 Slog.e(TAG, "Could not measure application " + mStats.packageName 12473 + " external storage"); 12474 } 12475 } 12476 12477 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12478 throws RemoteException { 12479 long result = 0; 12480 for (File path : paths) { 12481 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12482 } 12483 return result; 12484 } 12485 12486 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12487 for (File path : paths) { 12488 try { 12489 mcs.clearDirectory(path.getAbsolutePath()); 12490 } catch (RemoteException e) { 12491 } 12492 } 12493 } 12494 12495 static class OriginInfo { 12496 /** 12497 * Location where install is coming from, before it has been 12498 * copied/renamed into place. This could be a single monolithic APK 12499 * file, or a cluster directory. This location may be untrusted. 12500 */ 12501 final File file; 12502 final String cid; 12503 12504 /** 12505 * Flag indicating that {@link #file} or {@link #cid} has already been 12506 * staged, meaning downstream users don't need to defensively copy the 12507 * contents. 12508 */ 12509 final boolean staged; 12510 12511 /** 12512 * Flag indicating that {@link #file} or {@link #cid} is an already 12513 * installed app that is being moved. 12514 */ 12515 final boolean existing; 12516 12517 final String resolvedPath; 12518 final File resolvedFile; 12519 12520 static OriginInfo fromNothing() { 12521 return new OriginInfo(null, null, false, false); 12522 } 12523 12524 static OriginInfo fromUntrustedFile(File file) { 12525 return new OriginInfo(file, null, false, false); 12526 } 12527 12528 static OriginInfo fromExistingFile(File file) { 12529 return new OriginInfo(file, null, false, true); 12530 } 12531 12532 static OriginInfo fromStagedFile(File file) { 12533 return new OriginInfo(file, null, true, false); 12534 } 12535 12536 static OriginInfo fromStagedContainer(String cid) { 12537 return new OriginInfo(null, cid, true, false); 12538 } 12539 12540 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12541 this.file = file; 12542 this.cid = cid; 12543 this.staged = staged; 12544 this.existing = existing; 12545 12546 if (cid != null) { 12547 resolvedPath = PackageHelper.getSdDir(cid); 12548 resolvedFile = new File(resolvedPath); 12549 } else if (file != null) { 12550 resolvedPath = file.getAbsolutePath(); 12551 resolvedFile = file; 12552 } else { 12553 resolvedPath = null; 12554 resolvedFile = null; 12555 } 12556 } 12557 } 12558 12559 static class MoveInfo { 12560 final int moveId; 12561 final String fromUuid; 12562 final String toUuid; 12563 final String packageName; 12564 final String dataAppName; 12565 final int appId; 12566 final String seinfo; 12567 final int targetSdkVersion; 12568 12569 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12570 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12571 this.moveId = moveId; 12572 this.fromUuid = fromUuid; 12573 this.toUuid = toUuid; 12574 this.packageName = packageName; 12575 this.dataAppName = dataAppName; 12576 this.appId = appId; 12577 this.seinfo = seinfo; 12578 this.targetSdkVersion = targetSdkVersion; 12579 } 12580 } 12581 12582 static class VerificationInfo { 12583 /** A constant used to indicate that a uid value is not present. */ 12584 public static final int NO_UID = -1; 12585 12586 /** URI referencing where the package was downloaded from. */ 12587 final Uri originatingUri; 12588 12589 /** HTTP referrer URI associated with the originatingURI. */ 12590 final Uri referrer; 12591 12592 /** UID of the application that the install request originated from. */ 12593 final int originatingUid; 12594 12595 /** UID of application requesting the install */ 12596 final int installerUid; 12597 12598 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12599 this.originatingUri = originatingUri; 12600 this.referrer = referrer; 12601 this.originatingUid = originatingUid; 12602 this.installerUid = installerUid; 12603 } 12604 } 12605 12606 class InstallParams extends HandlerParams { 12607 final OriginInfo origin; 12608 final MoveInfo move; 12609 final IPackageInstallObserver2 observer; 12610 int installFlags; 12611 final String installerPackageName; 12612 final String volumeUuid; 12613 private InstallArgs mArgs; 12614 private int mRet; 12615 final String packageAbiOverride; 12616 final String[] grantedRuntimePermissions; 12617 final VerificationInfo verificationInfo; 12618 final Certificate[][] certificates; 12619 12620 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12621 int installFlags, String installerPackageName, String volumeUuid, 12622 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12623 String[] grantedPermissions, Certificate[][] certificates) { 12624 super(user); 12625 this.origin = origin; 12626 this.move = move; 12627 this.observer = observer; 12628 this.installFlags = installFlags; 12629 this.installerPackageName = installerPackageName; 12630 this.volumeUuid = volumeUuid; 12631 this.verificationInfo = verificationInfo; 12632 this.packageAbiOverride = packageAbiOverride; 12633 this.grantedRuntimePermissions = grantedPermissions; 12634 this.certificates = certificates; 12635 } 12636 12637 @Override 12638 public String toString() { 12639 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12640 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12641 } 12642 12643 private int installLocationPolicy(PackageInfoLite pkgLite) { 12644 String packageName = pkgLite.packageName; 12645 int installLocation = pkgLite.installLocation; 12646 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12647 // reader 12648 synchronized (mPackages) { 12649 // Currently installed package which the new package is attempting to replace or 12650 // null if no such package is installed. 12651 PackageParser.Package installedPkg = mPackages.get(packageName); 12652 // Package which currently owns the data which the new package will own if installed. 12653 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12654 // will be null whereas dataOwnerPkg will contain information about the package 12655 // which was uninstalled while keeping its data. 12656 PackageParser.Package dataOwnerPkg = installedPkg; 12657 if (dataOwnerPkg == null) { 12658 PackageSetting ps = mSettings.mPackages.get(packageName); 12659 if (ps != null) { 12660 dataOwnerPkg = ps.pkg; 12661 } 12662 } 12663 12664 if (dataOwnerPkg != null) { 12665 // If installed, the package will get access to data left on the device by its 12666 // predecessor. As a security measure, this is permited only if this is not a 12667 // version downgrade or if the predecessor package is marked as debuggable and 12668 // a downgrade is explicitly requested. 12669 // 12670 // On debuggable platform builds, downgrades are permitted even for 12671 // non-debuggable packages to make testing easier. Debuggable platform builds do 12672 // not offer security guarantees and thus it's OK to disable some security 12673 // mechanisms to make debugging/testing easier on those builds. However, even on 12674 // debuggable builds downgrades of packages are permitted only if requested via 12675 // installFlags. This is because we aim to keep the behavior of debuggable 12676 // platform builds as close as possible to the behavior of non-debuggable 12677 // platform builds. 12678 final boolean downgradeRequested = 12679 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12680 final boolean packageDebuggable = 12681 (dataOwnerPkg.applicationInfo.flags 12682 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12683 final boolean downgradePermitted = 12684 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12685 if (!downgradePermitted) { 12686 try { 12687 checkDowngrade(dataOwnerPkg, pkgLite); 12688 } catch (PackageManagerException e) { 12689 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12690 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12691 } 12692 } 12693 } 12694 12695 if (installedPkg != null) { 12696 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12697 // Check for updated system application. 12698 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12699 if (onSd) { 12700 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12701 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12702 } 12703 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12704 } else { 12705 if (onSd) { 12706 // Install flag overrides everything. 12707 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12708 } 12709 // If current upgrade specifies particular preference 12710 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12711 // Application explicitly specified internal. 12712 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12713 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12714 // App explictly prefers external. Let policy decide 12715 } else { 12716 // Prefer previous location 12717 if (isExternal(installedPkg)) { 12718 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12719 } 12720 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12721 } 12722 } 12723 } else { 12724 // Invalid install. Return error code 12725 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12726 } 12727 } 12728 } 12729 // All the special cases have been taken care of. 12730 // Return result based on recommended install location. 12731 if (onSd) { 12732 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12733 } 12734 return pkgLite.recommendedInstallLocation; 12735 } 12736 12737 /* 12738 * Invoke remote method to get package information and install 12739 * location values. Override install location based on default 12740 * policy if needed and then create install arguments based 12741 * on the install location. 12742 */ 12743 public void handleStartCopy() throws RemoteException { 12744 int ret = PackageManager.INSTALL_SUCCEEDED; 12745 12746 // If we're already staged, we've firmly committed to an install location 12747 if (origin.staged) { 12748 if (origin.file != null) { 12749 installFlags |= PackageManager.INSTALL_INTERNAL; 12750 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12751 } else if (origin.cid != null) { 12752 installFlags |= PackageManager.INSTALL_EXTERNAL; 12753 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12754 } else { 12755 throw new IllegalStateException("Invalid stage location"); 12756 } 12757 } 12758 12759 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12760 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12761 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12762 PackageInfoLite pkgLite = null; 12763 12764 if (onInt && onSd) { 12765 // Check if both bits are set. 12766 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12767 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12768 } else if (onSd && ephemeral) { 12769 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12770 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12771 } else { 12772 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12773 packageAbiOverride); 12774 12775 if (DEBUG_EPHEMERAL && ephemeral) { 12776 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12777 } 12778 12779 /* 12780 * If we have too little free space, try to free cache 12781 * before giving up. 12782 */ 12783 if (!origin.staged && pkgLite.recommendedInstallLocation 12784 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12785 // TODO: focus freeing disk space on the target device 12786 final StorageManager storage = StorageManager.from(mContext); 12787 final long lowThreshold = storage.getStorageLowBytes( 12788 Environment.getDataDirectory()); 12789 12790 final long sizeBytes = mContainerService.calculateInstalledSize( 12791 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12792 12793 try { 12794 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12795 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12796 installFlags, packageAbiOverride); 12797 } catch (InstallerException e) { 12798 Slog.w(TAG, "Failed to free cache", e); 12799 } 12800 12801 /* 12802 * The cache free must have deleted the file we 12803 * downloaded to install. 12804 * 12805 * TODO: fix the "freeCache" call to not delete 12806 * the file we care about. 12807 */ 12808 if (pkgLite.recommendedInstallLocation 12809 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12810 pkgLite.recommendedInstallLocation 12811 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12812 } 12813 } 12814 } 12815 12816 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12817 int loc = pkgLite.recommendedInstallLocation; 12818 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12819 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12820 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12821 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12822 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12823 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12824 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12825 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12826 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12827 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12828 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12829 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12830 } else { 12831 // Override with defaults if needed. 12832 loc = installLocationPolicy(pkgLite); 12833 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12834 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12835 } else if (!onSd && !onInt) { 12836 // Override install location with flags 12837 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12838 // Set the flag to install on external media. 12839 installFlags |= PackageManager.INSTALL_EXTERNAL; 12840 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12841 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12842 if (DEBUG_EPHEMERAL) { 12843 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12844 } 12845 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12846 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12847 |PackageManager.INSTALL_INTERNAL); 12848 } else { 12849 // Make sure the flag for installing on external 12850 // media is unset 12851 installFlags |= PackageManager.INSTALL_INTERNAL; 12852 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12853 } 12854 } 12855 } 12856 } 12857 12858 final InstallArgs args = createInstallArgs(this); 12859 mArgs = args; 12860 12861 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12862 // TODO: http://b/22976637 12863 // Apps installed for "all" users use the device owner to verify the app 12864 UserHandle verifierUser = getUser(); 12865 if (verifierUser == UserHandle.ALL) { 12866 verifierUser = UserHandle.SYSTEM; 12867 } 12868 12869 /* 12870 * Determine if we have any installed package verifiers. If we 12871 * do, then we'll defer to them to verify the packages. 12872 */ 12873 final int requiredUid = mRequiredVerifierPackage == null ? -1 12874 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12875 verifierUser.getIdentifier()); 12876 if (!origin.existing && requiredUid != -1 12877 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12878 final Intent verification = new Intent( 12879 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12880 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12881 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12882 PACKAGE_MIME_TYPE); 12883 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12884 12885 // Query all live verifiers based on current user state 12886 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12887 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12888 12889 if (DEBUG_VERIFY) { 12890 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12891 + verification.toString() + " with " + pkgLite.verifiers.length 12892 + " optional verifiers"); 12893 } 12894 12895 final int verificationId = mPendingVerificationToken++; 12896 12897 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12898 12899 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12900 installerPackageName); 12901 12902 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12903 installFlags); 12904 12905 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12906 pkgLite.packageName); 12907 12908 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12909 pkgLite.versionCode); 12910 12911 if (verificationInfo != null) { 12912 if (verificationInfo.originatingUri != null) { 12913 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12914 verificationInfo.originatingUri); 12915 } 12916 if (verificationInfo.referrer != null) { 12917 verification.putExtra(Intent.EXTRA_REFERRER, 12918 verificationInfo.referrer); 12919 } 12920 if (verificationInfo.originatingUid >= 0) { 12921 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12922 verificationInfo.originatingUid); 12923 } 12924 if (verificationInfo.installerUid >= 0) { 12925 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12926 verificationInfo.installerUid); 12927 } 12928 } 12929 12930 final PackageVerificationState verificationState = new PackageVerificationState( 12931 requiredUid, args); 12932 12933 mPendingVerification.append(verificationId, verificationState); 12934 12935 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12936 receivers, verificationState); 12937 12938 /* 12939 * If any sufficient verifiers were listed in the package 12940 * manifest, attempt to ask them. 12941 */ 12942 if (sufficientVerifiers != null) { 12943 final int N = sufficientVerifiers.size(); 12944 if (N == 0) { 12945 Slog.i(TAG, "Additional verifiers required, but none installed."); 12946 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12947 } else { 12948 for (int i = 0; i < N; i++) { 12949 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12950 12951 final Intent sufficientIntent = new Intent(verification); 12952 sufficientIntent.setComponent(verifierComponent); 12953 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12954 } 12955 } 12956 } 12957 12958 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12959 mRequiredVerifierPackage, receivers); 12960 if (ret == PackageManager.INSTALL_SUCCEEDED 12961 && mRequiredVerifierPackage != null) { 12962 Trace.asyncTraceBegin( 12963 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12964 /* 12965 * Send the intent to the required verification agent, 12966 * but only start the verification timeout after the 12967 * target BroadcastReceivers have run. 12968 */ 12969 verification.setComponent(requiredVerifierComponent); 12970 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12971 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12972 new BroadcastReceiver() { 12973 @Override 12974 public void onReceive(Context context, Intent intent) { 12975 final Message msg = mHandler 12976 .obtainMessage(CHECK_PENDING_VERIFICATION); 12977 msg.arg1 = verificationId; 12978 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12979 } 12980 }, null, 0, null, null); 12981 12982 /* 12983 * We don't want the copy to proceed until verification 12984 * succeeds, so null out this field. 12985 */ 12986 mArgs = null; 12987 } 12988 } else { 12989 /* 12990 * No package verification is enabled, so immediately start 12991 * the remote call to initiate copy using temporary file. 12992 */ 12993 ret = args.copyApk(mContainerService, true); 12994 } 12995 } 12996 12997 mRet = ret; 12998 } 12999 13000 @Override 13001 void handleReturnCode() { 13002 // If mArgs is null, then MCS couldn't be reached. When it 13003 // reconnects, it will try again to install. At that point, this 13004 // will succeed. 13005 if (mArgs != null) { 13006 processPendingInstall(mArgs, mRet); 13007 } 13008 } 13009 13010 @Override 13011 void handleServiceError() { 13012 mArgs = createInstallArgs(this); 13013 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13014 } 13015 13016 public boolean isForwardLocked() { 13017 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13018 } 13019 } 13020 13021 /** 13022 * Used during creation of InstallArgs 13023 * 13024 * @param installFlags package installation flags 13025 * @return true if should be installed on external storage 13026 */ 13027 private static boolean installOnExternalAsec(int installFlags) { 13028 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13029 return false; 13030 } 13031 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13032 return true; 13033 } 13034 return false; 13035 } 13036 13037 /** 13038 * Used during creation of InstallArgs 13039 * 13040 * @param installFlags package installation flags 13041 * @return true if should be installed as forward locked 13042 */ 13043 private static boolean installForwardLocked(int installFlags) { 13044 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13045 } 13046 13047 private InstallArgs createInstallArgs(InstallParams params) { 13048 if (params.move != null) { 13049 return new MoveInstallArgs(params); 13050 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13051 return new AsecInstallArgs(params); 13052 } else { 13053 return new FileInstallArgs(params); 13054 } 13055 } 13056 13057 /** 13058 * Create args that describe an existing installed package. Typically used 13059 * when cleaning up old installs, or used as a move source. 13060 */ 13061 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13062 String resourcePath, String[] instructionSets) { 13063 final boolean isInAsec; 13064 if (installOnExternalAsec(installFlags)) { 13065 /* Apps on SD card are always in ASEC containers. */ 13066 isInAsec = true; 13067 } else if (installForwardLocked(installFlags) 13068 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13069 /* 13070 * Forward-locked apps are only in ASEC containers if they're the 13071 * new style 13072 */ 13073 isInAsec = true; 13074 } else { 13075 isInAsec = false; 13076 } 13077 13078 if (isInAsec) { 13079 return new AsecInstallArgs(codePath, instructionSets, 13080 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13081 } else { 13082 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13083 } 13084 } 13085 13086 static abstract class InstallArgs { 13087 /** @see InstallParams#origin */ 13088 final OriginInfo origin; 13089 /** @see InstallParams#move */ 13090 final MoveInfo move; 13091 13092 final IPackageInstallObserver2 observer; 13093 // Always refers to PackageManager flags only 13094 final int installFlags; 13095 final String installerPackageName; 13096 final String volumeUuid; 13097 final UserHandle user; 13098 final String abiOverride; 13099 final String[] installGrantPermissions; 13100 /** If non-null, drop an async trace when the install completes */ 13101 final String traceMethod; 13102 final int traceCookie; 13103 final Certificate[][] certificates; 13104 13105 // The list of instruction sets supported by this app. This is currently 13106 // only used during the rmdex() phase to clean up resources. We can get rid of this 13107 // if we move dex files under the common app path. 13108 /* nullable */ String[] instructionSets; 13109 13110 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13111 int installFlags, String installerPackageName, String volumeUuid, 13112 UserHandle user, String[] instructionSets, 13113 String abiOverride, String[] installGrantPermissions, 13114 String traceMethod, int traceCookie, Certificate[][] certificates) { 13115 this.origin = origin; 13116 this.move = move; 13117 this.installFlags = installFlags; 13118 this.observer = observer; 13119 this.installerPackageName = installerPackageName; 13120 this.volumeUuid = volumeUuid; 13121 this.user = user; 13122 this.instructionSets = instructionSets; 13123 this.abiOverride = abiOverride; 13124 this.installGrantPermissions = installGrantPermissions; 13125 this.traceMethod = traceMethod; 13126 this.traceCookie = traceCookie; 13127 this.certificates = certificates; 13128 } 13129 13130 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13131 abstract int doPreInstall(int status); 13132 13133 /** 13134 * Rename package into final resting place. All paths on the given 13135 * scanned package should be updated to reflect the rename. 13136 */ 13137 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13138 abstract int doPostInstall(int status, int uid); 13139 13140 /** @see PackageSettingBase#codePathString */ 13141 abstract String getCodePath(); 13142 /** @see PackageSettingBase#resourcePathString */ 13143 abstract String getResourcePath(); 13144 13145 // Need installer lock especially for dex file removal. 13146 abstract void cleanUpResourcesLI(); 13147 abstract boolean doPostDeleteLI(boolean delete); 13148 13149 /** 13150 * Called before the source arguments are copied. This is used mostly 13151 * for MoveParams when it needs to read the source file to put it in the 13152 * destination. 13153 */ 13154 int doPreCopy() { 13155 return PackageManager.INSTALL_SUCCEEDED; 13156 } 13157 13158 /** 13159 * Called after the source arguments are copied. This is used mostly for 13160 * MoveParams when it needs to read the source file to put it in the 13161 * destination. 13162 */ 13163 int doPostCopy(int uid) { 13164 return PackageManager.INSTALL_SUCCEEDED; 13165 } 13166 13167 protected boolean isFwdLocked() { 13168 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13169 } 13170 13171 protected boolean isExternalAsec() { 13172 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13173 } 13174 13175 protected boolean isEphemeral() { 13176 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13177 } 13178 13179 UserHandle getUser() { 13180 return user; 13181 } 13182 } 13183 13184 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13185 if (!allCodePaths.isEmpty()) { 13186 if (instructionSets == null) { 13187 throw new IllegalStateException("instructionSet == null"); 13188 } 13189 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13190 for (String codePath : allCodePaths) { 13191 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13192 try { 13193 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13194 } catch (InstallerException ignored) { 13195 } 13196 } 13197 } 13198 } 13199 } 13200 13201 /** 13202 * Logic to handle installation of non-ASEC applications, including copying 13203 * and renaming logic. 13204 */ 13205 class FileInstallArgs extends InstallArgs { 13206 private File codeFile; 13207 private File resourceFile; 13208 13209 // Example topology: 13210 // /data/app/com.example/base.apk 13211 // /data/app/com.example/split_foo.apk 13212 // /data/app/com.example/lib/arm/libfoo.so 13213 // /data/app/com.example/lib/arm64/libfoo.so 13214 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13215 13216 /** New install */ 13217 FileInstallArgs(InstallParams params) { 13218 super(params.origin, params.move, params.observer, params.installFlags, 13219 params.installerPackageName, params.volumeUuid, 13220 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13221 params.grantedRuntimePermissions, 13222 params.traceMethod, params.traceCookie, params.certificates); 13223 if (isFwdLocked()) { 13224 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13225 } 13226 } 13227 13228 /** Existing install */ 13229 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13230 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13231 null, null, null, 0, null /*certificates*/); 13232 this.codeFile = (codePath != null) ? new File(codePath) : null; 13233 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13234 } 13235 13236 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13237 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13238 try { 13239 return doCopyApk(imcs, temp); 13240 } finally { 13241 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13242 } 13243 } 13244 13245 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13246 if (origin.staged) { 13247 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13248 codeFile = origin.file; 13249 resourceFile = origin.file; 13250 return PackageManager.INSTALL_SUCCEEDED; 13251 } 13252 13253 try { 13254 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13255 final File tempDir = 13256 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13257 codeFile = tempDir; 13258 resourceFile = tempDir; 13259 } catch (IOException e) { 13260 Slog.w(TAG, "Failed to create copy file: " + e); 13261 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13262 } 13263 13264 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13265 @Override 13266 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13267 if (!FileUtils.isValidExtFilename(name)) { 13268 throw new IllegalArgumentException("Invalid filename: " + name); 13269 } 13270 try { 13271 final File file = new File(codeFile, name); 13272 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13273 O_RDWR | O_CREAT, 0644); 13274 Os.chmod(file.getAbsolutePath(), 0644); 13275 return new ParcelFileDescriptor(fd); 13276 } catch (ErrnoException e) { 13277 throw new RemoteException("Failed to open: " + e.getMessage()); 13278 } 13279 } 13280 }; 13281 13282 int ret = PackageManager.INSTALL_SUCCEEDED; 13283 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13284 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13285 Slog.e(TAG, "Failed to copy package"); 13286 return ret; 13287 } 13288 13289 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13290 NativeLibraryHelper.Handle handle = null; 13291 try { 13292 handle = NativeLibraryHelper.Handle.create(codeFile); 13293 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13294 abiOverride); 13295 } catch (IOException e) { 13296 Slog.e(TAG, "Copying native libraries failed", e); 13297 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13298 } finally { 13299 IoUtils.closeQuietly(handle); 13300 } 13301 13302 return ret; 13303 } 13304 13305 int doPreInstall(int status) { 13306 if (status != PackageManager.INSTALL_SUCCEEDED) { 13307 cleanUp(); 13308 } 13309 return status; 13310 } 13311 13312 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13313 if (status != PackageManager.INSTALL_SUCCEEDED) { 13314 cleanUp(); 13315 return false; 13316 } 13317 13318 final File targetDir = codeFile.getParentFile(); 13319 final File beforeCodeFile = codeFile; 13320 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13321 13322 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13323 try { 13324 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13325 } catch (ErrnoException e) { 13326 Slog.w(TAG, "Failed to rename", e); 13327 return false; 13328 } 13329 13330 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13331 Slog.w(TAG, "Failed to restorecon"); 13332 return false; 13333 } 13334 13335 // Reflect the rename internally 13336 codeFile = afterCodeFile; 13337 resourceFile = afterCodeFile; 13338 13339 // Reflect the rename in scanned details 13340 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13341 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13342 afterCodeFile, pkg.baseCodePath)); 13343 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13344 afterCodeFile, pkg.splitCodePaths)); 13345 13346 // Reflect the rename in app info 13347 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13348 pkg.setApplicationInfoCodePath(pkg.codePath); 13349 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13350 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13351 pkg.setApplicationInfoResourcePath(pkg.codePath); 13352 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13353 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13354 13355 return true; 13356 } 13357 13358 int doPostInstall(int status, int uid) { 13359 if (status != PackageManager.INSTALL_SUCCEEDED) { 13360 cleanUp(); 13361 } 13362 return status; 13363 } 13364 13365 @Override 13366 String getCodePath() { 13367 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13368 } 13369 13370 @Override 13371 String getResourcePath() { 13372 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13373 } 13374 13375 private boolean cleanUp() { 13376 if (codeFile == null || !codeFile.exists()) { 13377 return false; 13378 } 13379 13380 removeCodePathLI(codeFile); 13381 13382 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13383 resourceFile.delete(); 13384 } 13385 13386 return true; 13387 } 13388 13389 void cleanUpResourcesLI() { 13390 // Try enumerating all code paths before deleting 13391 List<String> allCodePaths = Collections.EMPTY_LIST; 13392 if (codeFile != null && codeFile.exists()) { 13393 try { 13394 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13395 allCodePaths = pkg.getAllCodePaths(); 13396 } catch (PackageParserException e) { 13397 // Ignored; we tried our best 13398 } 13399 } 13400 13401 cleanUp(); 13402 removeDexFiles(allCodePaths, instructionSets); 13403 } 13404 13405 boolean doPostDeleteLI(boolean delete) { 13406 // XXX err, shouldn't we respect the delete flag? 13407 cleanUpResourcesLI(); 13408 return true; 13409 } 13410 } 13411 13412 private boolean isAsecExternal(String cid) { 13413 final String asecPath = PackageHelper.getSdFilesystem(cid); 13414 return !asecPath.startsWith(mAsecInternalPath); 13415 } 13416 13417 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13418 PackageManagerException { 13419 if (copyRet < 0) { 13420 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13421 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13422 throw new PackageManagerException(copyRet, message); 13423 } 13424 } 13425 } 13426 13427 /** 13428 * Extract the MountService "container ID" from the full code path of an 13429 * .apk. 13430 */ 13431 static String cidFromCodePath(String fullCodePath) { 13432 int eidx = fullCodePath.lastIndexOf("/"); 13433 String subStr1 = fullCodePath.substring(0, eidx); 13434 int sidx = subStr1.lastIndexOf("/"); 13435 return subStr1.substring(sidx+1, eidx); 13436 } 13437 13438 /** 13439 * Logic to handle installation of ASEC applications, including copying and 13440 * renaming logic. 13441 */ 13442 class AsecInstallArgs extends InstallArgs { 13443 static final String RES_FILE_NAME = "pkg.apk"; 13444 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13445 13446 String cid; 13447 String packagePath; 13448 String resourcePath; 13449 13450 /** New install */ 13451 AsecInstallArgs(InstallParams params) { 13452 super(params.origin, params.move, params.observer, params.installFlags, 13453 params.installerPackageName, params.volumeUuid, 13454 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13455 params.grantedRuntimePermissions, 13456 params.traceMethod, params.traceCookie, params.certificates); 13457 } 13458 13459 /** Existing install */ 13460 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13461 boolean isExternal, boolean isForwardLocked) { 13462 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13463 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13464 instructionSets, null, null, null, 0, null /*certificates*/); 13465 // Hackily pretend we're still looking at a full code path 13466 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13467 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13468 } 13469 13470 // Extract cid from fullCodePath 13471 int eidx = fullCodePath.lastIndexOf("/"); 13472 String subStr1 = fullCodePath.substring(0, eidx); 13473 int sidx = subStr1.lastIndexOf("/"); 13474 cid = subStr1.substring(sidx+1, eidx); 13475 setMountPath(subStr1); 13476 } 13477 13478 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13479 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13480 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13481 instructionSets, null, null, null, 0, null /*certificates*/); 13482 this.cid = cid; 13483 setMountPath(PackageHelper.getSdDir(cid)); 13484 } 13485 13486 void createCopyFile() { 13487 cid = mInstallerService.allocateExternalStageCidLegacy(); 13488 } 13489 13490 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13491 if (origin.staged && origin.cid != null) { 13492 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13493 cid = origin.cid; 13494 setMountPath(PackageHelper.getSdDir(cid)); 13495 return PackageManager.INSTALL_SUCCEEDED; 13496 } 13497 13498 if (temp) { 13499 createCopyFile(); 13500 } else { 13501 /* 13502 * Pre-emptively destroy the container since it's destroyed if 13503 * copying fails due to it existing anyway. 13504 */ 13505 PackageHelper.destroySdDir(cid); 13506 } 13507 13508 final String newMountPath = imcs.copyPackageToContainer( 13509 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13510 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13511 13512 if (newMountPath != null) { 13513 setMountPath(newMountPath); 13514 return PackageManager.INSTALL_SUCCEEDED; 13515 } else { 13516 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13517 } 13518 } 13519 13520 @Override 13521 String getCodePath() { 13522 return packagePath; 13523 } 13524 13525 @Override 13526 String getResourcePath() { 13527 return resourcePath; 13528 } 13529 13530 int doPreInstall(int status) { 13531 if (status != PackageManager.INSTALL_SUCCEEDED) { 13532 // Destroy container 13533 PackageHelper.destroySdDir(cid); 13534 } else { 13535 boolean mounted = PackageHelper.isContainerMounted(cid); 13536 if (!mounted) { 13537 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13538 Process.SYSTEM_UID); 13539 if (newMountPath != null) { 13540 setMountPath(newMountPath); 13541 } else { 13542 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13543 } 13544 } 13545 } 13546 return status; 13547 } 13548 13549 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13550 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13551 String newMountPath = null; 13552 if (PackageHelper.isContainerMounted(cid)) { 13553 // Unmount the container 13554 if (!PackageHelper.unMountSdDir(cid)) { 13555 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13556 return false; 13557 } 13558 } 13559 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13560 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13561 " which might be stale. Will try to clean up."); 13562 // Clean up the stale container and proceed to recreate. 13563 if (!PackageHelper.destroySdDir(newCacheId)) { 13564 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13565 return false; 13566 } 13567 // Successfully cleaned up stale container. Try to rename again. 13568 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13569 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13570 + " inspite of cleaning it up."); 13571 return false; 13572 } 13573 } 13574 if (!PackageHelper.isContainerMounted(newCacheId)) { 13575 Slog.w(TAG, "Mounting container " + newCacheId); 13576 newMountPath = PackageHelper.mountSdDir(newCacheId, 13577 getEncryptKey(), Process.SYSTEM_UID); 13578 } else { 13579 newMountPath = PackageHelper.getSdDir(newCacheId); 13580 } 13581 if (newMountPath == null) { 13582 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13583 return false; 13584 } 13585 Log.i(TAG, "Succesfully renamed " + cid + 13586 " to " + newCacheId + 13587 " at new path: " + newMountPath); 13588 cid = newCacheId; 13589 13590 final File beforeCodeFile = new File(packagePath); 13591 setMountPath(newMountPath); 13592 final File afterCodeFile = new File(packagePath); 13593 13594 // Reflect the rename in scanned details 13595 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13596 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13597 afterCodeFile, pkg.baseCodePath)); 13598 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13599 afterCodeFile, pkg.splitCodePaths)); 13600 13601 // Reflect the rename in app info 13602 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13603 pkg.setApplicationInfoCodePath(pkg.codePath); 13604 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13605 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13606 pkg.setApplicationInfoResourcePath(pkg.codePath); 13607 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13608 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13609 13610 return true; 13611 } 13612 13613 private void setMountPath(String mountPath) { 13614 final File mountFile = new File(mountPath); 13615 13616 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13617 if (monolithicFile.exists()) { 13618 packagePath = monolithicFile.getAbsolutePath(); 13619 if (isFwdLocked()) { 13620 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13621 } else { 13622 resourcePath = packagePath; 13623 } 13624 } else { 13625 packagePath = mountFile.getAbsolutePath(); 13626 resourcePath = packagePath; 13627 } 13628 } 13629 13630 int doPostInstall(int status, int uid) { 13631 if (status != PackageManager.INSTALL_SUCCEEDED) { 13632 cleanUp(); 13633 } else { 13634 final int groupOwner; 13635 final String protectedFile; 13636 if (isFwdLocked()) { 13637 groupOwner = UserHandle.getSharedAppGid(uid); 13638 protectedFile = RES_FILE_NAME; 13639 } else { 13640 groupOwner = -1; 13641 protectedFile = null; 13642 } 13643 13644 if (uid < Process.FIRST_APPLICATION_UID 13645 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13646 Slog.e(TAG, "Failed to finalize " + cid); 13647 PackageHelper.destroySdDir(cid); 13648 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13649 } 13650 13651 boolean mounted = PackageHelper.isContainerMounted(cid); 13652 if (!mounted) { 13653 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13654 } 13655 } 13656 return status; 13657 } 13658 13659 private void cleanUp() { 13660 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13661 13662 // Destroy secure container 13663 PackageHelper.destroySdDir(cid); 13664 } 13665 13666 private List<String> getAllCodePaths() { 13667 final File codeFile = new File(getCodePath()); 13668 if (codeFile != null && codeFile.exists()) { 13669 try { 13670 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13671 return pkg.getAllCodePaths(); 13672 } catch (PackageParserException e) { 13673 // Ignored; we tried our best 13674 } 13675 } 13676 return Collections.EMPTY_LIST; 13677 } 13678 13679 void cleanUpResourcesLI() { 13680 // Enumerate all code paths before deleting 13681 cleanUpResourcesLI(getAllCodePaths()); 13682 } 13683 13684 private void cleanUpResourcesLI(List<String> allCodePaths) { 13685 cleanUp(); 13686 removeDexFiles(allCodePaths, instructionSets); 13687 } 13688 13689 String getPackageName() { 13690 return getAsecPackageName(cid); 13691 } 13692 13693 boolean doPostDeleteLI(boolean delete) { 13694 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13695 final List<String> allCodePaths = getAllCodePaths(); 13696 boolean mounted = PackageHelper.isContainerMounted(cid); 13697 if (mounted) { 13698 // Unmount first 13699 if (PackageHelper.unMountSdDir(cid)) { 13700 mounted = false; 13701 } 13702 } 13703 if (!mounted && delete) { 13704 cleanUpResourcesLI(allCodePaths); 13705 } 13706 return !mounted; 13707 } 13708 13709 @Override 13710 int doPreCopy() { 13711 if (isFwdLocked()) { 13712 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13713 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13714 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13715 } 13716 } 13717 13718 return PackageManager.INSTALL_SUCCEEDED; 13719 } 13720 13721 @Override 13722 int doPostCopy(int uid) { 13723 if (isFwdLocked()) { 13724 if (uid < Process.FIRST_APPLICATION_UID 13725 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13726 RES_FILE_NAME)) { 13727 Slog.e(TAG, "Failed to finalize " + cid); 13728 PackageHelper.destroySdDir(cid); 13729 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13730 } 13731 } 13732 13733 return PackageManager.INSTALL_SUCCEEDED; 13734 } 13735 } 13736 13737 /** 13738 * Logic to handle movement of existing installed applications. 13739 */ 13740 class MoveInstallArgs extends InstallArgs { 13741 private File codeFile; 13742 private File resourceFile; 13743 13744 /** New install */ 13745 MoveInstallArgs(InstallParams params) { 13746 super(params.origin, params.move, params.observer, params.installFlags, 13747 params.installerPackageName, params.volumeUuid, 13748 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13749 params.grantedRuntimePermissions, 13750 params.traceMethod, params.traceCookie, params.certificates); 13751 } 13752 13753 int copyApk(IMediaContainerService imcs, boolean temp) { 13754 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13755 + move.fromUuid + " to " + move.toUuid); 13756 synchronized (mInstaller) { 13757 try { 13758 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13759 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13760 } catch (InstallerException e) { 13761 Slog.w(TAG, "Failed to move app", e); 13762 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13763 } 13764 } 13765 13766 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13767 resourceFile = codeFile; 13768 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13769 13770 return PackageManager.INSTALL_SUCCEEDED; 13771 } 13772 13773 int doPreInstall(int status) { 13774 if (status != PackageManager.INSTALL_SUCCEEDED) { 13775 cleanUp(move.toUuid); 13776 } 13777 return status; 13778 } 13779 13780 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13781 if (status != PackageManager.INSTALL_SUCCEEDED) { 13782 cleanUp(move.toUuid); 13783 return false; 13784 } 13785 13786 // Reflect the move in app info 13787 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13788 pkg.setApplicationInfoCodePath(pkg.codePath); 13789 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13790 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13791 pkg.setApplicationInfoResourcePath(pkg.codePath); 13792 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13793 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13794 13795 return true; 13796 } 13797 13798 int doPostInstall(int status, int uid) { 13799 if (status == PackageManager.INSTALL_SUCCEEDED) { 13800 cleanUp(move.fromUuid); 13801 } else { 13802 cleanUp(move.toUuid); 13803 } 13804 return status; 13805 } 13806 13807 @Override 13808 String getCodePath() { 13809 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13810 } 13811 13812 @Override 13813 String getResourcePath() { 13814 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13815 } 13816 13817 private boolean cleanUp(String volumeUuid) { 13818 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13819 move.dataAppName); 13820 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13821 final int[] userIds = sUserManager.getUserIds(); 13822 synchronized (mInstallLock) { 13823 // Clean up both app data and code 13824 // All package moves are frozen until finished 13825 for (int userId : userIds) { 13826 try { 13827 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13828 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13829 } catch (InstallerException e) { 13830 Slog.w(TAG, String.valueOf(e)); 13831 } 13832 } 13833 removeCodePathLI(codeFile); 13834 } 13835 return true; 13836 } 13837 13838 void cleanUpResourcesLI() { 13839 throw new UnsupportedOperationException(); 13840 } 13841 13842 boolean doPostDeleteLI(boolean delete) { 13843 throw new UnsupportedOperationException(); 13844 } 13845 } 13846 13847 static String getAsecPackageName(String packageCid) { 13848 int idx = packageCid.lastIndexOf("-"); 13849 if (idx == -1) { 13850 return packageCid; 13851 } 13852 return packageCid.substring(0, idx); 13853 } 13854 13855 // Utility method used to create code paths based on package name and available index. 13856 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13857 String idxStr = ""; 13858 int idx = 1; 13859 // Fall back to default value of idx=1 if prefix is not 13860 // part of oldCodePath 13861 if (oldCodePath != null) { 13862 String subStr = oldCodePath; 13863 // Drop the suffix right away 13864 if (suffix != null && subStr.endsWith(suffix)) { 13865 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13866 } 13867 // If oldCodePath already contains prefix find out the 13868 // ending index to either increment or decrement. 13869 int sidx = subStr.lastIndexOf(prefix); 13870 if (sidx != -1) { 13871 subStr = subStr.substring(sidx + prefix.length()); 13872 if (subStr != null) { 13873 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13874 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13875 } 13876 try { 13877 idx = Integer.parseInt(subStr); 13878 if (idx <= 1) { 13879 idx++; 13880 } else { 13881 idx--; 13882 } 13883 } catch(NumberFormatException e) { 13884 } 13885 } 13886 } 13887 } 13888 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13889 return prefix + idxStr; 13890 } 13891 13892 private File getNextCodePath(File targetDir, String packageName) { 13893 int suffix = 1; 13894 File result; 13895 do { 13896 result = new File(targetDir, packageName + "-" + suffix); 13897 suffix++; 13898 } while (result.exists()); 13899 return result; 13900 } 13901 13902 // Utility method that returns the relative package path with respect 13903 // to the installation directory. Like say for /data/data/com.test-1.apk 13904 // string com.test-1 is returned. 13905 static String deriveCodePathName(String codePath) { 13906 if (codePath == null) { 13907 return null; 13908 } 13909 final File codeFile = new File(codePath); 13910 final String name = codeFile.getName(); 13911 if (codeFile.isDirectory()) { 13912 return name; 13913 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13914 final int lastDot = name.lastIndexOf('.'); 13915 return name.substring(0, lastDot); 13916 } else { 13917 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13918 return null; 13919 } 13920 } 13921 13922 static class PackageInstalledInfo { 13923 String name; 13924 int uid; 13925 // The set of users that originally had this package installed. 13926 int[] origUsers; 13927 // The set of users that now have this package installed. 13928 int[] newUsers; 13929 PackageParser.Package pkg; 13930 int returnCode; 13931 String returnMsg; 13932 PackageRemovedInfo removedInfo; 13933 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13934 13935 public void setError(int code, String msg) { 13936 setReturnCode(code); 13937 setReturnMessage(msg); 13938 Slog.w(TAG, msg); 13939 } 13940 13941 public void setError(String msg, PackageParserException e) { 13942 setReturnCode(e.error); 13943 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13944 Slog.w(TAG, msg, e); 13945 } 13946 13947 public void setError(String msg, PackageManagerException e) { 13948 returnCode = e.error; 13949 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13950 Slog.w(TAG, msg, e); 13951 } 13952 13953 public void setReturnCode(int returnCode) { 13954 this.returnCode = returnCode; 13955 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13956 for (int i = 0; i < childCount; i++) { 13957 addedChildPackages.valueAt(i).returnCode = returnCode; 13958 } 13959 } 13960 13961 private void setReturnMessage(String returnMsg) { 13962 this.returnMsg = returnMsg; 13963 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13964 for (int i = 0; i < childCount; i++) { 13965 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13966 } 13967 } 13968 13969 // In some error cases we want to convey more info back to the observer 13970 String origPackage; 13971 String origPermission; 13972 } 13973 13974 /* 13975 * Install a non-existing package. 13976 */ 13977 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13978 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13979 PackageInstalledInfo res) { 13980 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13981 13982 // Remember this for later, in case we need to rollback this install 13983 String pkgName = pkg.packageName; 13984 13985 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13986 13987 synchronized(mPackages) { 13988 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13989 // A package with the same name is already installed, though 13990 // it has been renamed to an older name. The package we 13991 // are trying to install should be installed as an update to 13992 // the existing one, but that has not been requested, so bail. 13993 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13994 + " without first uninstalling package running as " 13995 + mSettings.mRenamedPackages.get(pkgName)); 13996 return; 13997 } 13998 if (mPackages.containsKey(pkgName)) { 13999 // Don't allow installation over an existing package with the same name. 14000 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14001 + " without first uninstalling."); 14002 return; 14003 } 14004 } 14005 14006 try { 14007 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14008 System.currentTimeMillis(), user); 14009 14010 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14011 14012 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14013 prepareAppDataAfterInstallLIF(newPackage); 14014 14015 } else { 14016 // Remove package from internal structures, but keep around any 14017 // data that might have already existed 14018 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14019 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14020 } 14021 } catch (PackageManagerException e) { 14022 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14023 } 14024 14025 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14026 } 14027 14028 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14029 // Can't rotate keys during boot or if sharedUser. 14030 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14031 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14032 return false; 14033 } 14034 // app is using upgradeKeySets; make sure all are valid 14035 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14036 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14037 for (int i = 0; i < upgradeKeySets.length; i++) { 14038 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14039 Slog.wtf(TAG, "Package " 14040 + (oldPs.name != null ? oldPs.name : "<null>") 14041 + " contains upgrade-key-set reference to unknown key-set: " 14042 + upgradeKeySets[i] 14043 + " reverting to signatures check."); 14044 return false; 14045 } 14046 } 14047 return true; 14048 } 14049 14050 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14051 // Upgrade keysets are being used. Determine if new package has a superset of the 14052 // required keys. 14053 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14054 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14055 for (int i = 0; i < upgradeKeySets.length; i++) { 14056 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14057 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14058 return true; 14059 } 14060 } 14061 return false; 14062 } 14063 14064 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14065 try (DigestInputStream digestStream = 14066 new DigestInputStream(new FileInputStream(file), digest)) { 14067 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14068 } 14069 } 14070 14071 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14072 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14073 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14074 14075 final PackageParser.Package oldPackage; 14076 final String pkgName = pkg.packageName; 14077 final int[] allUsers; 14078 final int[] installedUsers; 14079 14080 synchronized(mPackages) { 14081 oldPackage = mPackages.get(pkgName); 14082 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14083 14084 // don't allow upgrade to target a release SDK from a pre-release SDK 14085 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14086 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14087 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14088 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14089 if (oldTargetsPreRelease 14090 && !newTargetsPreRelease 14091 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14092 Slog.w(TAG, "Can't install package targeting released sdk"); 14093 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14094 return; 14095 } 14096 14097 // don't allow an upgrade from full to ephemeral 14098 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14099 if (isEphemeral && !oldIsEphemeral) { 14100 // can't downgrade from full to ephemeral 14101 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14102 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14103 return; 14104 } 14105 14106 // verify signatures are valid 14107 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14108 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14109 if (!checkUpgradeKeySetLP(ps, pkg)) { 14110 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14111 "New package not signed by keys specified by upgrade-keysets: " 14112 + pkgName); 14113 return; 14114 } 14115 } else { 14116 // default to original signature matching 14117 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14118 != PackageManager.SIGNATURE_MATCH) { 14119 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14120 "New package has a different signature: " + pkgName); 14121 return; 14122 } 14123 } 14124 14125 // don't allow a system upgrade unless the upgrade hash matches 14126 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14127 byte[] digestBytes = null; 14128 try { 14129 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14130 updateDigest(digest, new File(pkg.baseCodePath)); 14131 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14132 for (String path : pkg.splitCodePaths) { 14133 updateDigest(digest, new File(path)); 14134 } 14135 } 14136 digestBytes = digest.digest(); 14137 } catch (NoSuchAlgorithmException | IOException e) { 14138 res.setError(INSTALL_FAILED_INVALID_APK, 14139 "Could not compute hash: " + pkgName); 14140 return; 14141 } 14142 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14143 res.setError(INSTALL_FAILED_INVALID_APK, 14144 "New package fails restrict-update check: " + pkgName); 14145 return; 14146 } 14147 // retain upgrade restriction 14148 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14149 } 14150 14151 // Check for shared user id changes 14152 String invalidPackageName = 14153 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14154 if (invalidPackageName != null) { 14155 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14156 "Package " + invalidPackageName + " tried to change user " 14157 + oldPackage.mSharedUserId); 14158 return; 14159 } 14160 14161 // In case of rollback, remember per-user/profile install state 14162 allUsers = sUserManager.getUserIds(); 14163 installedUsers = ps.queryInstalledUsers(allUsers, true); 14164 } 14165 14166 // Update what is removed 14167 res.removedInfo = new PackageRemovedInfo(); 14168 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14169 res.removedInfo.removedPackage = oldPackage.packageName; 14170 res.removedInfo.isUpdate = true; 14171 res.removedInfo.origUsers = installedUsers; 14172 final int childCount = (oldPackage.childPackages != null) 14173 ? oldPackage.childPackages.size() : 0; 14174 for (int i = 0; i < childCount; i++) { 14175 boolean childPackageUpdated = false; 14176 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14177 if (res.addedChildPackages != null) { 14178 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14179 if (childRes != null) { 14180 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14181 childRes.removedInfo.removedPackage = childPkg.packageName; 14182 childRes.removedInfo.isUpdate = true; 14183 childPackageUpdated = true; 14184 } 14185 } 14186 if (!childPackageUpdated) { 14187 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14188 childRemovedRes.removedPackage = childPkg.packageName; 14189 childRemovedRes.isUpdate = false; 14190 childRemovedRes.dataRemoved = true; 14191 synchronized (mPackages) { 14192 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14193 if (childPs != null) { 14194 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14195 } 14196 } 14197 if (res.removedInfo.removedChildPackages == null) { 14198 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14199 } 14200 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14201 } 14202 } 14203 14204 boolean sysPkg = (isSystemApp(oldPackage)); 14205 if (sysPkg) { 14206 // Set the system/privileged flags as needed 14207 final boolean privileged = 14208 (oldPackage.applicationInfo.privateFlags 14209 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14210 final int systemPolicyFlags = policyFlags 14211 | PackageParser.PARSE_IS_SYSTEM 14212 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14213 14214 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14215 user, allUsers, installerPackageName, res); 14216 } else { 14217 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14218 user, allUsers, installerPackageName, res); 14219 } 14220 } 14221 14222 public List<String> getPreviousCodePaths(String packageName) { 14223 final PackageSetting ps = mSettings.mPackages.get(packageName); 14224 final List<String> result = new ArrayList<String>(); 14225 if (ps != null && ps.oldCodePaths != null) { 14226 result.addAll(ps.oldCodePaths); 14227 } 14228 return result; 14229 } 14230 14231 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14232 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14233 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14234 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14235 + deletedPackage); 14236 14237 String pkgName = deletedPackage.packageName; 14238 boolean deletedPkg = true; 14239 boolean addedPkg = false; 14240 boolean updatedSettings = false; 14241 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14242 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14243 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14244 14245 final long origUpdateTime = (pkg.mExtras != null) 14246 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14247 14248 // First delete the existing package while retaining the data directory 14249 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14250 res.removedInfo, true, pkg)) { 14251 // If the existing package wasn't successfully deleted 14252 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14253 deletedPkg = false; 14254 } else { 14255 // Successfully deleted the old package; proceed with replace. 14256 14257 // If deleted package lived in a container, give users a chance to 14258 // relinquish resources before killing. 14259 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14260 if (DEBUG_INSTALL) { 14261 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14262 } 14263 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14264 final ArrayList<String> pkgList = new ArrayList<String>(1); 14265 pkgList.add(deletedPackage.applicationInfo.packageName); 14266 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14267 } 14268 14269 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14270 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14271 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14272 14273 try { 14274 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14275 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14276 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14277 14278 // Update the in-memory copy of the previous code paths. 14279 PackageSetting ps = mSettings.mPackages.get(pkgName); 14280 if (!killApp) { 14281 if (ps.oldCodePaths == null) { 14282 ps.oldCodePaths = new ArraySet<>(); 14283 } 14284 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14285 if (deletedPackage.splitCodePaths != null) { 14286 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14287 } 14288 } else { 14289 ps.oldCodePaths = null; 14290 } 14291 if (ps.childPackageNames != null) { 14292 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14293 final String childPkgName = ps.childPackageNames.get(i); 14294 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14295 childPs.oldCodePaths = ps.oldCodePaths; 14296 } 14297 } 14298 prepareAppDataAfterInstallLIF(newPackage); 14299 addedPkg = true; 14300 } catch (PackageManagerException e) { 14301 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14302 } 14303 } 14304 14305 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14306 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14307 14308 // Revert all internal state mutations and added folders for the failed install 14309 if (addedPkg) { 14310 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14311 res.removedInfo, true, null); 14312 } 14313 14314 // Restore the old package 14315 if (deletedPkg) { 14316 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14317 File restoreFile = new File(deletedPackage.codePath); 14318 // Parse old package 14319 boolean oldExternal = isExternal(deletedPackage); 14320 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14321 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14322 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14323 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14324 try { 14325 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14326 null); 14327 } catch (PackageManagerException e) { 14328 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14329 + e.getMessage()); 14330 return; 14331 } 14332 14333 synchronized (mPackages) { 14334 // Ensure the installer package name up to date 14335 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14336 14337 // Update permissions for restored package 14338 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14339 14340 mSettings.writeLPr(); 14341 } 14342 14343 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14344 } 14345 } else { 14346 synchronized (mPackages) { 14347 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14348 if (ps != null) { 14349 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14350 if (res.removedInfo.removedChildPackages != null) { 14351 final int childCount = res.removedInfo.removedChildPackages.size(); 14352 // Iterate in reverse as we may modify the collection 14353 for (int i = childCount - 1; i >= 0; i--) { 14354 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14355 if (res.addedChildPackages.containsKey(childPackageName)) { 14356 res.removedInfo.removedChildPackages.removeAt(i); 14357 } else { 14358 PackageRemovedInfo childInfo = res.removedInfo 14359 .removedChildPackages.valueAt(i); 14360 childInfo.removedForAllUsers = mPackages.get( 14361 childInfo.removedPackage) == null; 14362 } 14363 } 14364 } 14365 } 14366 } 14367 } 14368 } 14369 14370 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14371 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14372 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14373 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14374 + ", old=" + deletedPackage); 14375 14376 final boolean disabledSystem; 14377 14378 // Remove existing system package 14379 removePackageLI(deletedPackage, true); 14380 14381 synchronized (mPackages) { 14382 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14383 } 14384 if (!disabledSystem) { 14385 // We didn't need to disable the .apk as a current system package, 14386 // which means we are replacing another update that is already 14387 // installed. We need to make sure to delete the older one's .apk. 14388 res.removedInfo.args = createInstallArgsForExisting(0, 14389 deletedPackage.applicationInfo.getCodePath(), 14390 deletedPackage.applicationInfo.getResourcePath(), 14391 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14392 } else { 14393 res.removedInfo.args = null; 14394 } 14395 14396 // Successfully disabled the old package. Now proceed with re-installation 14397 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14398 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14399 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14400 14401 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14402 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14403 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14404 14405 PackageParser.Package newPackage = null; 14406 try { 14407 // Add the package to the internal data structures 14408 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14409 14410 // Set the update and install times 14411 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14412 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14413 System.currentTimeMillis()); 14414 14415 // Update the package dynamic state if succeeded 14416 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14417 // Now that the install succeeded make sure we remove data 14418 // directories for any child package the update removed. 14419 final int deletedChildCount = (deletedPackage.childPackages != null) 14420 ? deletedPackage.childPackages.size() : 0; 14421 final int newChildCount = (newPackage.childPackages != null) 14422 ? newPackage.childPackages.size() : 0; 14423 for (int i = 0; i < deletedChildCount; i++) { 14424 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14425 boolean childPackageDeleted = true; 14426 for (int j = 0; j < newChildCount; j++) { 14427 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14428 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14429 childPackageDeleted = false; 14430 break; 14431 } 14432 } 14433 if (childPackageDeleted) { 14434 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14435 deletedChildPkg.packageName); 14436 if (ps != null && res.removedInfo.removedChildPackages != null) { 14437 PackageRemovedInfo removedChildRes = res.removedInfo 14438 .removedChildPackages.get(deletedChildPkg.packageName); 14439 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14440 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14441 } 14442 } 14443 } 14444 14445 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14446 prepareAppDataAfterInstallLIF(newPackage); 14447 } 14448 } catch (PackageManagerException e) { 14449 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14450 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14451 } 14452 14453 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14454 // Re installation failed. Restore old information 14455 // Remove new pkg information 14456 if (newPackage != null) { 14457 removeInstalledPackageLI(newPackage, true); 14458 } 14459 // Add back the old system package 14460 try { 14461 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14462 } catch (PackageManagerException e) { 14463 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14464 } 14465 14466 synchronized (mPackages) { 14467 if (disabledSystem) { 14468 enableSystemPackageLPw(deletedPackage); 14469 } 14470 14471 // Ensure the installer package name up to date 14472 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14473 14474 // Update permissions for restored package 14475 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14476 14477 mSettings.writeLPr(); 14478 } 14479 14480 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14481 + " after failed upgrade"); 14482 } 14483 } 14484 14485 /** 14486 * Checks whether the parent or any of the child packages have a change shared 14487 * user. For a package to be a valid update the shred users of the parent and 14488 * the children should match. We may later support changing child shared users. 14489 * @param oldPkg The updated package. 14490 * @param newPkg The update package. 14491 * @return The shared user that change between the versions. 14492 */ 14493 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14494 PackageParser.Package newPkg) { 14495 // Check parent shared user 14496 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14497 return newPkg.packageName; 14498 } 14499 // Check child shared users 14500 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14501 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14502 for (int i = 0; i < newChildCount; i++) { 14503 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14504 // If this child was present, did it have the same shared user? 14505 for (int j = 0; j < oldChildCount; j++) { 14506 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14507 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14508 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14509 return newChildPkg.packageName; 14510 } 14511 } 14512 } 14513 return null; 14514 } 14515 14516 private void removeNativeBinariesLI(PackageSetting ps) { 14517 // Remove the lib path for the parent package 14518 if (ps != null) { 14519 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14520 // Remove the lib path for the child packages 14521 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14522 for (int i = 0; i < childCount; i++) { 14523 PackageSetting childPs = null; 14524 synchronized (mPackages) { 14525 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14526 } 14527 if (childPs != null) { 14528 NativeLibraryHelper.removeNativeBinariesLI(childPs 14529 .legacyNativeLibraryPathString); 14530 } 14531 } 14532 } 14533 } 14534 14535 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14536 // Enable the parent package 14537 mSettings.enableSystemPackageLPw(pkg.packageName); 14538 // Enable the child packages 14539 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14540 for (int i = 0; i < childCount; i++) { 14541 PackageParser.Package childPkg = pkg.childPackages.get(i); 14542 mSettings.enableSystemPackageLPw(childPkg.packageName); 14543 } 14544 } 14545 14546 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14547 PackageParser.Package newPkg) { 14548 // Disable the parent package (parent always replaced) 14549 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14550 // Disable the child packages 14551 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14552 for (int i = 0; i < childCount; i++) { 14553 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14554 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14555 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14556 } 14557 return disabled; 14558 } 14559 14560 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14561 String installerPackageName) { 14562 // Enable the parent package 14563 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14564 // Enable the child packages 14565 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14566 for (int i = 0; i < childCount; i++) { 14567 PackageParser.Package childPkg = pkg.childPackages.get(i); 14568 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14569 } 14570 } 14571 14572 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14573 // Collect all used permissions in the UID 14574 ArraySet<String> usedPermissions = new ArraySet<>(); 14575 final int packageCount = su.packages.size(); 14576 for (int i = 0; i < packageCount; i++) { 14577 PackageSetting ps = su.packages.valueAt(i); 14578 if (ps.pkg == null) { 14579 continue; 14580 } 14581 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14582 for (int j = 0; j < requestedPermCount; j++) { 14583 String permission = ps.pkg.requestedPermissions.get(j); 14584 BasePermission bp = mSettings.mPermissions.get(permission); 14585 if (bp != null) { 14586 usedPermissions.add(permission); 14587 } 14588 } 14589 } 14590 14591 PermissionsState permissionsState = su.getPermissionsState(); 14592 // Prune install permissions 14593 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14594 final int installPermCount = installPermStates.size(); 14595 for (int i = installPermCount - 1; i >= 0; i--) { 14596 PermissionState permissionState = installPermStates.get(i); 14597 if (!usedPermissions.contains(permissionState.getName())) { 14598 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14599 if (bp != null) { 14600 permissionsState.revokeInstallPermission(bp); 14601 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14602 PackageManager.MASK_PERMISSION_FLAGS, 0); 14603 } 14604 } 14605 } 14606 14607 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14608 14609 // Prune runtime permissions 14610 for (int userId : allUserIds) { 14611 List<PermissionState> runtimePermStates = permissionsState 14612 .getRuntimePermissionStates(userId); 14613 final int runtimePermCount = runtimePermStates.size(); 14614 for (int i = runtimePermCount - 1; i >= 0; i--) { 14615 PermissionState permissionState = runtimePermStates.get(i); 14616 if (!usedPermissions.contains(permissionState.getName())) { 14617 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14618 if (bp != null) { 14619 permissionsState.revokeRuntimePermission(bp, userId); 14620 permissionsState.updatePermissionFlags(bp, userId, 14621 PackageManager.MASK_PERMISSION_FLAGS, 0); 14622 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14623 runtimePermissionChangedUserIds, userId); 14624 } 14625 } 14626 } 14627 } 14628 14629 return runtimePermissionChangedUserIds; 14630 } 14631 14632 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14633 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14634 // Update the parent package setting 14635 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14636 res, user); 14637 // Update the child packages setting 14638 final int childCount = (newPackage.childPackages != null) 14639 ? newPackage.childPackages.size() : 0; 14640 for (int i = 0; i < childCount; i++) { 14641 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14642 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14643 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14644 childRes.origUsers, childRes, user); 14645 } 14646 } 14647 14648 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14649 String installerPackageName, int[] allUsers, int[] installedForUsers, 14650 PackageInstalledInfo res, UserHandle user) { 14651 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14652 14653 String pkgName = newPackage.packageName; 14654 synchronized (mPackages) { 14655 //write settings. the installStatus will be incomplete at this stage. 14656 //note that the new package setting would have already been 14657 //added to mPackages. It hasn't been persisted yet. 14658 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14659 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14660 mSettings.writeLPr(); 14661 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14662 } 14663 14664 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14665 synchronized (mPackages) { 14666 updatePermissionsLPw(newPackage.packageName, newPackage, 14667 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14668 ? UPDATE_PERMISSIONS_ALL : 0)); 14669 // For system-bundled packages, we assume that installing an upgraded version 14670 // of the package implies that the user actually wants to run that new code, 14671 // so we enable the package. 14672 PackageSetting ps = mSettings.mPackages.get(pkgName); 14673 final int userId = user.getIdentifier(); 14674 if (ps != null) { 14675 if (isSystemApp(newPackage)) { 14676 if (DEBUG_INSTALL) { 14677 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14678 } 14679 // Enable system package for requested users 14680 if (res.origUsers != null) { 14681 for (int origUserId : res.origUsers) { 14682 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14683 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14684 origUserId, installerPackageName); 14685 } 14686 } 14687 } 14688 // Also convey the prior install/uninstall state 14689 if (allUsers != null && installedForUsers != null) { 14690 for (int currentUserId : allUsers) { 14691 final boolean installed = ArrayUtils.contains( 14692 installedForUsers, currentUserId); 14693 if (DEBUG_INSTALL) { 14694 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14695 } 14696 ps.setInstalled(installed, currentUserId); 14697 } 14698 // these install state changes will be persisted in the 14699 // upcoming call to mSettings.writeLPr(). 14700 } 14701 } 14702 // It's implied that when a user requests installation, they want the app to be 14703 // installed and enabled. 14704 if (userId != UserHandle.USER_ALL) { 14705 ps.setInstalled(true, userId); 14706 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14707 } 14708 } 14709 res.name = pkgName; 14710 res.uid = newPackage.applicationInfo.uid; 14711 res.pkg = newPackage; 14712 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14713 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14714 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14715 //to update install status 14716 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14717 mSettings.writeLPr(); 14718 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14719 } 14720 14721 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14722 } 14723 14724 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14725 try { 14726 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14727 installPackageLI(args, res); 14728 } finally { 14729 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14730 } 14731 } 14732 14733 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14734 final int installFlags = args.installFlags; 14735 final String installerPackageName = args.installerPackageName; 14736 final String volumeUuid = args.volumeUuid; 14737 final File tmpPackageFile = new File(args.getCodePath()); 14738 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14739 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14740 || (args.volumeUuid != null)); 14741 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14742 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14743 boolean replace = false; 14744 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14745 if (args.move != null) { 14746 // moving a complete application; perform an initial scan on the new install location 14747 scanFlags |= SCAN_INITIAL; 14748 } 14749 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14750 scanFlags |= SCAN_DONT_KILL_APP; 14751 } 14752 14753 // Result object to be returned 14754 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14755 14756 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14757 14758 // Sanity check 14759 if (ephemeral && (forwardLocked || onExternal)) { 14760 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14761 + " external=" + onExternal); 14762 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14763 return; 14764 } 14765 14766 // Retrieve PackageSettings and parse package 14767 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14768 | PackageParser.PARSE_ENFORCE_CODE 14769 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14770 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14771 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14772 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14773 PackageParser pp = new PackageParser(); 14774 pp.setSeparateProcesses(mSeparateProcesses); 14775 pp.setDisplayMetrics(mMetrics); 14776 14777 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14778 final PackageParser.Package pkg; 14779 try { 14780 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14781 } catch (PackageParserException e) { 14782 res.setError("Failed parse during installPackageLI", e); 14783 return; 14784 } finally { 14785 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14786 } 14787 14788 // If we are installing a clustered package add results for the children 14789 if (pkg.childPackages != null) { 14790 synchronized (mPackages) { 14791 final int childCount = pkg.childPackages.size(); 14792 for (int i = 0; i < childCount; i++) { 14793 PackageParser.Package childPkg = pkg.childPackages.get(i); 14794 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14795 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14796 childRes.pkg = childPkg; 14797 childRes.name = childPkg.packageName; 14798 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14799 if (childPs != null) { 14800 childRes.origUsers = childPs.queryInstalledUsers( 14801 sUserManager.getUserIds(), true); 14802 } 14803 if ((mPackages.containsKey(childPkg.packageName))) { 14804 childRes.removedInfo = new PackageRemovedInfo(); 14805 childRes.removedInfo.removedPackage = childPkg.packageName; 14806 } 14807 if (res.addedChildPackages == null) { 14808 res.addedChildPackages = new ArrayMap<>(); 14809 } 14810 res.addedChildPackages.put(childPkg.packageName, childRes); 14811 } 14812 } 14813 } 14814 14815 // If package doesn't declare API override, mark that we have an install 14816 // time CPU ABI override. 14817 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14818 pkg.cpuAbiOverride = args.abiOverride; 14819 } 14820 14821 String pkgName = res.name = pkg.packageName; 14822 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14823 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14824 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14825 return; 14826 } 14827 } 14828 14829 try { 14830 // either use what we've been given or parse directly from the APK 14831 if (args.certificates != null) { 14832 try { 14833 PackageParser.populateCertificates(pkg, args.certificates); 14834 } catch (PackageParserException e) { 14835 // there was something wrong with the certificates we were given; 14836 // try to pull them from the APK 14837 PackageParser.collectCertificates(pkg, parseFlags); 14838 } 14839 } else { 14840 PackageParser.collectCertificates(pkg, parseFlags); 14841 } 14842 } catch (PackageParserException e) { 14843 res.setError("Failed collect during installPackageLI", e); 14844 return; 14845 } 14846 14847 // Get rid of all references to package scan path via parser. 14848 pp = null; 14849 String oldCodePath = null; 14850 boolean systemApp = false; 14851 synchronized (mPackages) { 14852 // Check if installing already existing package 14853 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14854 String oldName = mSettings.mRenamedPackages.get(pkgName); 14855 if (pkg.mOriginalPackages != null 14856 && pkg.mOriginalPackages.contains(oldName) 14857 && mPackages.containsKey(oldName)) { 14858 // This package is derived from an original package, 14859 // and this device has been updating from that original 14860 // name. We must continue using the original name, so 14861 // rename the new package here. 14862 pkg.setPackageName(oldName); 14863 pkgName = pkg.packageName; 14864 replace = true; 14865 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14866 + oldName + " pkgName=" + pkgName); 14867 } else if (mPackages.containsKey(pkgName)) { 14868 // This package, under its official name, already exists 14869 // on the device; we should replace it. 14870 replace = true; 14871 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14872 } 14873 14874 // Child packages are installed through the parent package 14875 if (pkg.parentPackage != null) { 14876 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14877 "Package " + pkg.packageName + " is child of package " 14878 + pkg.parentPackage.parentPackage + ". Child packages " 14879 + "can be updated only through the parent package."); 14880 return; 14881 } 14882 14883 if (replace) { 14884 // Prevent apps opting out from runtime permissions 14885 PackageParser.Package oldPackage = mPackages.get(pkgName); 14886 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14887 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14888 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14889 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14890 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14891 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14892 + " doesn't support runtime permissions but the old" 14893 + " target SDK " + oldTargetSdk + " does."); 14894 return; 14895 } 14896 14897 // Prevent installing of child packages 14898 if (oldPackage.parentPackage != null) { 14899 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14900 "Package " + pkg.packageName + " is child of package " 14901 + oldPackage.parentPackage + ". Child packages " 14902 + "can be updated only through the parent package."); 14903 return; 14904 } 14905 } 14906 } 14907 14908 PackageSetting ps = mSettings.mPackages.get(pkgName); 14909 if (ps != null) { 14910 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14911 14912 // Quick sanity check that we're signed correctly if updating; 14913 // we'll check this again later when scanning, but we want to 14914 // bail early here before tripping over redefined permissions. 14915 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14916 if (!checkUpgradeKeySetLP(ps, pkg)) { 14917 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14918 + pkg.packageName + " upgrade keys do not match the " 14919 + "previously installed version"); 14920 return; 14921 } 14922 } else { 14923 try { 14924 verifySignaturesLP(ps, pkg); 14925 } catch (PackageManagerException e) { 14926 res.setError(e.error, e.getMessage()); 14927 return; 14928 } 14929 } 14930 14931 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14932 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14933 systemApp = (ps.pkg.applicationInfo.flags & 14934 ApplicationInfo.FLAG_SYSTEM) != 0; 14935 } 14936 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14937 } 14938 14939 // Check whether the newly-scanned package wants to define an already-defined perm 14940 int N = pkg.permissions.size(); 14941 for (int i = N-1; i >= 0; i--) { 14942 PackageParser.Permission perm = pkg.permissions.get(i); 14943 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14944 if (bp != null) { 14945 // If the defining package is signed with our cert, it's okay. This 14946 // also includes the "updating the same package" case, of course. 14947 // "updating same package" could also involve key-rotation. 14948 final boolean sigsOk; 14949 if (bp.sourcePackage.equals(pkg.packageName) 14950 && (bp.packageSetting instanceof PackageSetting) 14951 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14952 scanFlags))) { 14953 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14954 } else { 14955 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14956 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14957 } 14958 if (!sigsOk) { 14959 // If the owning package is the system itself, we log but allow 14960 // install to proceed; we fail the install on all other permission 14961 // redefinitions. 14962 if (!bp.sourcePackage.equals("android")) { 14963 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14964 + pkg.packageName + " attempting to redeclare permission " 14965 + perm.info.name + " already owned by " + bp.sourcePackage); 14966 res.origPermission = perm.info.name; 14967 res.origPackage = bp.sourcePackage; 14968 return; 14969 } else { 14970 Slog.w(TAG, "Package " + pkg.packageName 14971 + " attempting to redeclare system permission " 14972 + perm.info.name + "; ignoring new declaration"); 14973 pkg.permissions.remove(i); 14974 } 14975 } 14976 } 14977 } 14978 } 14979 14980 if (systemApp) { 14981 if (onExternal) { 14982 // Abort update; system app can't be replaced with app on sdcard 14983 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14984 "Cannot install updates to system apps on sdcard"); 14985 return; 14986 } else if (ephemeral) { 14987 // Abort update; system app can't be replaced with an ephemeral app 14988 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14989 "Cannot update a system app with an ephemeral app"); 14990 return; 14991 } 14992 } 14993 14994 if (args.move != null) { 14995 // We did an in-place move, so dex is ready to roll 14996 scanFlags |= SCAN_NO_DEX; 14997 scanFlags |= SCAN_MOVE; 14998 14999 synchronized (mPackages) { 15000 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15001 if (ps == null) { 15002 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15003 "Missing settings for moved package " + pkgName); 15004 } 15005 15006 // We moved the entire application as-is, so bring over the 15007 // previously derived ABI information. 15008 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15009 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15010 } 15011 15012 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15013 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15014 scanFlags |= SCAN_NO_DEX; 15015 15016 try { 15017 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15018 args.abiOverride : pkg.cpuAbiOverride); 15019 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15020 true /* extract libs */); 15021 } catch (PackageManagerException pme) { 15022 Slog.e(TAG, "Error deriving application ABI", pme); 15023 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15024 return; 15025 } 15026 15027 // Shared libraries for the package need to be updated. 15028 synchronized (mPackages) { 15029 try { 15030 updateSharedLibrariesLPw(pkg, null); 15031 } catch (PackageManagerException e) { 15032 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15033 } 15034 } 15035 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15036 // Do not run PackageDexOptimizer through the local performDexOpt 15037 // method because `pkg` may not be in `mPackages` yet. 15038 // 15039 // Also, don't fail application installs if the dexopt step fails. 15040 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15041 null /* instructionSets */, false /* checkProfiles */, 15042 getCompilerFilterForReason(REASON_INSTALL), 15043 getOrCreateCompilerPackageStats(pkg)); 15044 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15045 15046 // Notify BackgroundDexOptService that the package has been changed. 15047 // If this is an update of a package which used to fail to compile, 15048 // BDOS will remove it from its blacklist. 15049 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15050 } 15051 15052 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15053 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15054 return; 15055 } 15056 15057 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15058 15059 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15060 "installPackageLI")) { 15061 if (replace) { 15062 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15063 installerPackageName, res); 15064 } else { 15065 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15066 args.user, installerPackageName, volumeUuid, res); 15067 } 15068 } 15069 synchronized (mPackages) { 15070 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15071 if (ps != null) { 15072 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15073 } 15074 15075 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15076 for (int i = 0; i < childCount; i++) { 15077 PackageParser.Package childPkg = pkg.childPackages.get(i); 15078 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15079 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15080 if (childPs != null) { 15081 childRes.newUsers = childPs.queryInstalledUsers( 15082 sUserManager.getUserIds(), true); 15083 } 15084 } 15085 } 15086 } 15087 15088 private void startIntentFilterVerifications(int userId, boolean replacing, 15089 PackageParser.Package pkg) { 15090 if (mIntentFilterVerifierComponent == null) { 15091 Slog.w(TAG, "No IntentFilter verification will not be done as " 15092 + "there is no IntentFilterVerifier available!"); 15093 return; 15094 } 15095 15096 final int verifierUid = getPackageUid( 15097 mIntentFilterVerifierComponent.getPackageName(), 15098 MATCH_DEBUG_TRIAGED_MISSING, 15099 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15100 15101 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15102 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15103 mHandler.sendMessage(msg); 15104 15105 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15106 for (int i = 0; i < childCount; i++) { 15107 PackageParser.Package childPkg = pkg.childPackages.get(i); 15108 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15109 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15110 mHandler.sendMessage(msg); 15111 } 15112 } 15113 15114 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15115 PackageParser.Package pkg) { 15116 int size = pkg.activities.size(); 15117 if (size == 0) { 15118 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15119 "No activity, so no need to verify any IntentFilter!"); 15120 return; 15121 } 15122 15123 final boolean hasDomainURLs = hasDomainURLs(pkg); 15124 if (!hasDomainURLs) { 15125 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15126 "No domain URLs, so no need to verify any IntentFilter!"); 15127 return; 15128 } 15129 15130 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15131 + " if any IntentFilter from the " + size 15132 + " Activities needs verification ..."); 15133 15134 int count = 0; 15135 final String packageName = pkg.packageName; 15136 15137 synchronized (mPackages) { 15138 // If this is a new install and we see that we've already run verification for this 15139 // package, we have nothing to do: it means the state was restored from backup. 15140 if (!replacing) { 15141 IntentFilterVerificationInfo ivi = 15142 mSettings.getIntentFilterVerificationLPr(packageName); 15143 if (ivi != null) { 15144 if (DEBUG_DOMAIN_VERIFICATION) { 15145 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15146 + ivi.getStatusString()); 15147 } 15148 return; 15149 } 15150 } 15151 15152 // If any filters need to be verified, then all need to be. 15153 boolean needToVerify = false; 15154 for (PackageParser.Activity a : pkg.activities) { 15155 for (ActivityIntentInfo filter : a.intents) { 15156 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15157 if (DEBUG_DOMAIN_VERIFICATION) { 15158 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15159 } 15160 needToVerify = true; 15161 break; 15162 } 15163 } 15164 } 15165 15166 if (needToVerify) { 15167 final int verificationId = mIntentFilterVerificationToken++; 15168 for (PackageParser.Activity a : pkg.activities) { 15169 for (ActivityIntentInfo filter : a.intents) { 15170 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15171 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15172 "Verification needed for IntentFilter:" + filter.toString()); 15173 mIntentFilterVerifier.addOneIntentFilterVerification( 15174 verifierUid, userId, verificationId, filter, packageName); 15175 count++; 15176 } 15177 } 15178 } 15179 } 15180 } 15181 15182 if (count > 0) { 15183 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15184 + " IntentFilter verification" + (count > 1 ? "s" : "") 15185 + " for userId:" + userId); 15186 mIntentFilterVerifier.startVerifications(userId); 15187 } else { 15188 if (DEBUG_DOMAIN_VERIFICATION) { 15189 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15190 } 15191 } 15192 } 15193 15194 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15195 final ComponentName cn = filter.activity.getComponentName(); 15196 final String packageName = cn.getPackageName(); 15197 15198 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15199 packageName); 15200 if (ivi == null) { 15201 return true; 15202 } 15203 int status = ivi.getStatus(); 15204 switch (status) { 15205 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15206 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15207 return true; 15208 15209 default: 15210 // Nothing to do 15211 return false; 15212 } 15213 } 15214 15215 private static boolean isMultiArch(ApplicationInfo info) { 15216 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15217 } 15218 15219 private static boolean isExternal(PackageParser.Package pkg) { 15220 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15221 } 15222 15223 private static boolean isExternal(PackageSetting ps) { 15224 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15225 } 15226 15227 private static boolean isEphemeral(PackageParser.Package pkg) { 15228 return pkg.applicationInfo.isEphemeralApp(); 15229 } 15230 15231 private static boolean isEphemeral(PackageSetting ps) { 15232 return ps.pkg != null && isEphemeral(ps.pkg); 15233 } 15234 15235 private static boolean isSystemApp(PackageParser.Package pkg) { 15236 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15237 } 15238 15239 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15240 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15241 } 15242 15243 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15244 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15245 } 15246 15247 private static boolean isSystemApp(PackageSetting ps) { 15248 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15249 } 15250 15251 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15252 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15253 } 15254 15255 private int packageFlagsToInstallFlags(PackageSetting ps) { 15256 int installFlags = 0; 15257 if (isEphemeral(ps)) { 15258 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15259 } 15260 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15261 // This existing package was an external ASEC install when we have 15262 // the external flag without a UUID 15263 installFlags |= PackageManager.INSTALL_EXTERNAL; 15264 } 15265 if (ps.isForwardLocked()) { 15266 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15267 } 15268 return installFlags; 15269 } 15270 15271 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15272 if (isExternal(pkg)) { 15273 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15274 return StorageManager.UUID_PRIMARY_PHYSICAL; 15275 } else { 15276 return pkg.volumeUuid; 15277 } 15278 } else { 15279 return StorageManager.UUID_PRIVATE_INTERNAL; 15280 } 15281 } 15282 15283 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15284 if (isExternal(pkg)) { 15285 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15286 return mSettings.getExternalVersion(); 15287 } else { 15288 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15289 } 15290 } else { 15291 return mSettings.getInternalVersion(); 15292 } 15293 } 15294 15295 private void deleteTempPackageFiles() { 15296 final FilenameFilter filter = new FilenameFilter() { 15297 public boolean accept(File dir, String name) { 15298 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15299 } 15300 }; 15301 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15302 file.delete(); 15303 } 15304 } 15305 15306 @Override 15307 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15308 int flags) { 15309 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15310 flags); 15311 } 15312 15313 @Override 15314 public void deletePackage(final String packageName, 15315 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15316 mContext.enforceCallingOrSelfPermission( 15317 android.Manifest.permission.DELETE_PACKAGES, null); 15318 Preconditions.checkNotNull(packageName); 15319 Preconditions.checkNotNull(observer); 15320 final int uid = Binder.getCallingUid(); 15321 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15322 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15323 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15324 mContext.enforceCallingOrSelfPermission( 15325 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15326 "deletePackage for user " + userId); 15327 } 15328 15329 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15330 try { 15331 observer.onPackageDeleted(packageName, 15332 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15333 } catch (RemoteException re) { 15334 } 15335 return; 15336 } 15337 15338 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15339 try { 15340 observer.onPackageDeleted(packageName, 15341 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15342 } catch (RemoteException re) { 15343 } 15344 return; 15345 } 15346 15347 if (DEBUG_REMOVE) { 15348 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15349 + " deleteAllUsers: " + deleteAllUsers ); 15350 } 15351 // Queue up an async operation since the package deletion may take a little while. 15352 mHandler.post(new Runnable() { 15353 public void run() { 15354 mHandler.removeCallbacks(this); 15355 int returnCode; 15356 if (!deleteAllUsers) { 15357 returnCode = deletePackageX(packageName, userId, deleteFlags); 15358 } else { 15359 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15360 // If nobody is blocking uninstall, proceed with delete for all users 15361 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15362 returnCode = deletePackageX(packageName, userId, deleteFlags); 15363 } else { 15364 // Otherwise uninstall individually for users with blockUninstalls=false 15365 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15366 for (int userId : users) { 15367 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15368 returnCode = deletePackageX(packageName, userId, userFlags); 15369 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15370 Slog.w(TAG, "Package delete failed for user " + userId 15371 + ", returnCode " + returnCode); 15372 } 15373 } 15374 } 15375 // The app has only been marked uninstalled for certain users. 15376 // We still need to report that delete was blocked 15377 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15378 } 15379 } 15380 try { 15381 observer.onPackageDeleted(packageName, returnCode, null); 15382 } catch (RemoteException e) { 15383 Log.i(TAG, "Observer no longer exists."); 15384 } //end catch 15385 } //end run 15386 }); 15387 } 15388 15389 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15390 int[] result = EMPTY_INT_ARRAY; 15391 for (int userId : userIds) { 15392 if (getBlockUninstallForUser(packageName, userId)) { 15393 result = ArrayUtils.appendInt(result, userId); 15394 } 15395 } 15396 return result; 15397 } 15398 15399 @Override 15400 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15401 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15402 } 15403 15404 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15405 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15406 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15407 try { 15408 if (dpm != null) { 15409 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15410 /* callingUserOnly =*/ false); 15411 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15412 : deviceOwnerComponentName.getPackageName(); 15413 // Does the package contains the device owner? 15414 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15415 // this check is probably not needed, since DO should be registered as a device 15416 // admin on some user too. (Original bug for this: b/17657954) 15417 if (packageName.equals(deviceOwnerPackageName)) { 15418 return true; 15419 } 15420 // Does it contain a device admin for any user? 15421 int[] users; 15422 if (userId == UserHandle.USER_ALL) { 15423 users = sUserManager.getUserIds(); 15424 } else { 15425 users = new int[]{userId}; 15426 } 15427 for (int i = 0; i < users.length; ++i) { 15428 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15429 return true; 15430 } 15431 } 15432 } 15433 } catch (RemoteException e) { 15434 } 15435 return false; 15436 } 15437 15438 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15439 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15440 } 15441 15442 /** 15443 * This method is an internal method that could be get invoked either 15444 * to delete an installed package or to clean up a failed installation. 15445 * After deleting an installed package, a broadcast is sent to notify any 15446 * listeners that the package has been removed. For cleaning up a failed 15447 * installation, the broadcast is not necessary since the package's 15448 * installation wouldn't have sent the initial broadcast either 15449 * The key steps in deleting a package are 15450 * deleting the package information in internal structures like mPackages, 15451 * deleting the packages base directories through installd 15452 * updating mSettings to reflect current status 15453 * persisting settings for later use 15454 * sending a broadcast if necessary 15455 */ 15456 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15457 final PackageRemovedInfo info = new PackageRemovedInfo(); 15458 final boolean res; 15459 15460 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15461 ? UserHandle.USER_ALL : userId; 15462 15463 if (isPackageDeviceAdmin(packageName, removeUser)) { 15464 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15465 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15466 } 15467 15468 PackageSetting uninstalledPs = null; 15469 15470 // for the uninstall-updates case and restricted profiles, remember the per- 15471 // user handle installed state 15472 int[] allUsers; 15473 synchronized (mPackages) { 15474 uninstalledPs = mSettings.mPackages.get(packageName); 15475 if (uninstalledPs == null) { 15476 Slog.w(TAG, "Not removing non-existent package " + packageName); 15477 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15478 } 15479 allUsers = sUserManager.getUserIds(); 15480 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15481 } 15482 15483 final int freezeUser; 15484 if (isUpdatedSystemApp(uninstalledPs) 15485 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15486 // We're downgrading a system app, which will apply to all users, so 15487 // freeze them all during the downgrade 15488 freezeUser = UserHandle.USER_ALL; 15489 } else { 15490 freezeUser = removeUser; 15491 } 15492 15493 synchronized (mInstallLock) { 15494 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15495 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15496 deleteFlags, "deletePackageX")) { 15497 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15498 deleteFlags | REMOVE_CHATTY, info, true, null); 15499 } 15500 synchronized (mPackages) { 15501 if (res) { 15502 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15503 } 15504 } 15505 } 15506 15507 if (res) { 15508 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15509 info.sendPackageRemovedBroadcasts(killApp); 15510 info.sendSystemPackageUpdatedBroadcasts(); 15511 info.sendSystemPackageAppearedBroadcasts(); 15512 } 15513 // Force a gc here. 15514 Runtime.getRuntime().gc(); 15515 // Delete the resources here after sending the broadcast to let 15516 // other processes clean up before deleting resources. 15517 if (info.args != null) { 15518 synchronized (mInstallLock) { 15519 info.args.doPostDeleteLI(true); 15520 } 15521 } 15522 15523 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15524 } 15525 15526 class PackageRemovedInfo { 15527 String removedPackage; 15528 int uid = -1; 15529 int removedAppId = -1; 15530 int[] origUsers; 15531 int[] removedUsers = null; 15532 boolean isRemovedPackageSystemUpdate = false; 15533 boolean isUpdate; 15534 boolean dataRemoved; 15535 boolean removedForAllUsers; 15536 // Clean up resources deleted packages. 15537 InstallArgs args = null; 15538 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15539 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15540 15541 void sendPackageRemovedBroadcasts(boolean killApp) { 15542 sendPackageRemovedBroadcastInternal(killApp); 15543 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15544 for (int i = 0; i < childCount; i++) { 15545 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15546 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15547 } 15548 } 15549 15550 void sendSystemPackageUpdatedBroadcasts() { 15551 if (isRemovedPackageSystemUpdate) { 15552 sendSystemPackageUpdatedBroadcastsInternal(); 15553 final int childCount = (removedChildPackages != null) 15554 ? removedChildPackages.size() : 0; 15555 for (int i = 0; i < childCount; i++) { 15556 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15557 if (childInfo.isRemovedPackageSystemUpdate) { 15558 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15559 } 15560 } 15561 } 15562 } 15563 15564 void sendSystemPackageAppearedBroadcasts() { 15565 final int packageCount = (appearedChildPackages != null) 15566 ? appearedChildPackages.size() : 0; 15567 for (int i = 0; i < packageCount; i++) { 15568 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15569 for (int userId : installedInfo.newUsers) { 15570 sendPackageAddedForUser(installedInfo.name, true, 15571 UserHandle.getAppId(installedInfo.uid), userId); 15572 } 15573 } 15574 } 15575 15576 private void sendSystemPackageUpdatedBroadcastsInternal() { 15577 Bundle extras = new Bundle(2); 15578 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15579 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15580 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15581 extras, 0, null, null, null); 15582 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15583 extras, 0, null, null, null); 15584 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15585 null, 0, removedPackage, null, null); 15586 } 15587 15588 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15589 Bundle extras = new Bundle(2); 15590 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15591 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15592 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15593 if (isUpdate || isRemovedPackageSystemUpdate) { 15594 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15595 } 15596 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15597 if (removedPackage != null) { 15598 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15599 extras, 0, null, null, removedUsers); 15600 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15601 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15602 removedPackage, extras, 0, null, null, removedUsers); 15603 } 15604 } 15605 if (removedAppId >= 0) { 15606 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15607 removedUsers); 15608 } 15609 } 15610 } 15611 15612 /* 15613 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15614 * flag is not set, the data directory is removed as well. 15615 * make sure this flag is set for partially installed apps. If not its meaningless to 15616 * delete a partially installed application. 15617 */ 15618 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15619 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15620 String packageName = ps.name; 15621 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15622 // Retrieve object to delete permissions for shared user later on 15623 final PackageParser.Package deletedPkg; 15624 final PackageSetting deletedPs; 15625 // reader 15626 synchronized (mPackages) { 15627 deletedPkg = mPackages.get(packageName); 15628 deletedPs = mSettings.mPackages.get(packageName); 15629 if (outInfo != null) { 15630 outInfo.removedPackage = packageName; 15631 outInfo.removedUsers = deletedPs != null 15632 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15633 : null; 15634 } 15635 } 15636 15637 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15638 15639 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15640 final PackageParser.Package resolvedPkg; 15641 if (deletedPkg != null) { 15642 resolvedPkg = deletedPkg; 15643 } else { 15644 // We don't have a parsed package when it lives on an ejected 15645 // adopted storage device, so fake something together 15646 resolvedPkg = new PackageParser.Package(ps.name); 15647 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15648 } 15649 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15650 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15651 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15652 if (outInfo != null) { 15653 outInfo.dataRemoved = true; 15654 } 15655 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15656 } 15657 15658 // writer 15659 synchronized (mPackages) { 15660 if (deletedPs != null) { 15661 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15662 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15663 clearDefaultBrowserIfNeeded(packageName); 15664 if (outInfo != null) { 15665 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15666 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15667 } 15668 updatePermissionsLPw(deletedPs.name, null, 0); 15669 if (deletedPs.sharedUser != null) { 15670 // Remove permissions associated with package. Since runtime 15671 // permissions are per user we have to kill the removed package 15672 // or packages running under the shared user of the removed 15673 // package if revoking the permissions requested only by the removed 15674 // package is successful and this causes a change in gids. 15675 for (int userId : UserManagerService.getInstance().getUserIds()) { 15676 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15677 userId); 15678 if (userIdToKill == UserHandle.USER_ALL 15679 || userIdToKill >= UserHandle.USER_SYSTEM) { 15680 // If gids changed for this user, kill all affected packages. 15681 mHandler.post(new Runnable() { 15682 @Override 15683 public void run() { 15684 // This has to happen with no lock held. 15685 killApplication(deletedPs.name, deletedPs.appId, 15686 KILL_APP_REASON_GIDS_CHANGED); 15687 } 15688 }); 15689 break; 15690 } 15691 } 15692 } 15693 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15694 } 15695 // make sure to preserve per-user disabled state if this removal was just 15696 // a downgrade of a system app to the factory package 15697 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15698 if (DEBUG_REMOVE) { 15699 Slog.d(TAG, "Propagating install state across downgrade"); 15700 } 15701 for (int userId : allUserHandles) { 15702 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15703 if (DEBUG_REMOVE) { 15704 Slog.d(TAG, " user " + userId + " => " + installed); 15705 } 15706 ps.setInstalled(installed, userId); 15707 } 15708 } 15709 } 15710 // can downgrade to reader 15711 if (writeSettings) { 15712 // Save settings now 15713 mSettings.writeLPr(); 15714 } 15715 } 15716 if (outInfo != null) { 15717 // A user ID was deleted here. Go through all users and remove it 15718 // from KeyStore. 15719 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15720 } 15721 } 15722 15723 static boolean locationIsPrivileged(File path) { 15724 try { 15725 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15726 .getCanonicalPath(); 15727 return path.getCanonicalPath().startsWith(privilegedAppDir); 15728 } catch (IOException e) { 15729 Slog.e(TAG, "Unable to access code path " + path); 15730 } 15731 return false; 15732 } 15733 15734 /* 15735 * Tries to delete system package. 15736 */ 15737 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15738 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15739 boolean writeSettings) { 15740 if (deletedPs.parentPackageName != null) { 15741 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15742 return false; 15743 } 15744 15745 final boolean applyUserRestrictions 15746 = (allUserHandles != null) && (outInfo.origUsers != null); 15747 final PackageSetting disabledPs; 15748 // Confirm if the system package has been updated 15749 // An updated system app can be deleted. This will also have to restore 15750 // the system pkg from system partition 15751 // reader 15752 synchronized (mPackages) { 15753 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15754 } 15755 15756 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15757 + " disabledPs=" + disabledPs); 15758 15759 if (disabledPs == null) { 15760 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15761 return false; 15762 } else if (DEBUG_REMOVE) { 15763 Slog.d(TAG, "Deleting system pkg from data partition"); 15764 } 15765 15766 if (DEBUG_REMOVE) { 15767 if (applyUserRestrictions) { 15768 Slog.d(TAG, "Remembering install states:"); 15769 for (int userId : allUserHandles) { 15770 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15771 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15772 } 15773 } 15774 } 15775 15776 // Delete the updated package 15777 outInfo.isRemovedPackageSystemUpdate = true; 15778 if (outInfo.removedChildPackages != null) { 15779 final int childCount = (deletedPs.childPackageNames != null) 15780 ? deletedPs.childPackageNames.size() : 0; 15781 for (int i = 0; i < childCount; i++) { 15782 String childPackageName = deletedPs.childPackageNames.get(i); 15783 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15784 .contains(childPackageName)) { 15785 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15786 childPackageName); 15787 if (childInfo != null) { 15788 childInfo.isRemovedPackageSystemUpdate = true; 15789 } 15790 } 15791 } 15792 } 15793 15794 if (disabledPs.versionCode < deletedPs.versionCode) { 15795 // Delete data for downgrades 15796 flags &= ~PackageManager.DELETE_KEEP_DATA; 15797 } else { 15798 // Preserve data by setting flag 15799 flags |= PackageManager.DELETE_KEEP_DATA; 15800 } 15801 15802 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15803 outInfo, writeSettings, disabledPs.pkg); 15804 if (!ret) { 15805 return false; 15806 } 15807 15808 // writer 15809 synchronized (mPackages) { 15810 // Reinstate the old system package 15811 enableSystemPackageLPw(disabledPs.pkg); 15812 // Remove any native libraries from the upgraded package. 15813 removeNativeBinariesLI(deletedPs); 15814 } 15815 15816 // Install the system package 15817 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15818 int parseFlags = mDefParseFlags 15819 | PackageParser.PARSE_MUST_BE_APK 15820 | PackageParser.PARSE_IS_SYSTEM 15821 | PackageParser.PARSE_IS_SYSTEM_DIR; 15822 if (locationIsPrivileged(disabledPs.codePath)) { 15823 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15824 } 15825 15826 final PackageParser.Package newPkg; 15827 try { 15828 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15829 } catch (PackageManagerException e) { 15830 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15831 + e.getMessage()); 15832 return false; 15833 } 15834 try { 15835 // update shared libraries for the newly re-installed system package 15836 updateSharedLibrariesLPw(newPkg, null); 15837 } catch (PackageManagerException e) { 15838 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 15839 } 15840 15841 prepareAppDataAfterInstallLIF(newPkg); 15842 15843 // writer 15844 synchronized (mPackages) { 15845 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15846 15847 // Propagate the permissions state as we do not want to drop on the floor 15848 // runtime permissions. The update permissions method below will take 15849 // care of removing obsolete permissions and grant install permissions. 15850 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15851 updatePermissionsLPw(newPkg.packageName, newPkg, 15852 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15853 15854 if (applyUserRestrictions) { 15855 if (DEBUG_REMOVE) { 15856 Slog.d(TAG, "Propagating install state across reinstall"); 15857 } 15858 for (int userId : allUserHandles) { 15859 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15860 if (DEBUG_REMOVE) { 15861 Slog.d(TAG, " user " + userId + " => " + installed); 15862 } 15863 ps.setInstalled(installed, userId); 15864 15865 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15866 } 15867 // Regardless of writeSettings we need to ensure that this restriction 15868 // state propagation is persisted 15869 mSettings.writeAllUsersPackageRestrictionsLPr(); 15870 } 15871 // can downgrade to reader here 15872 if (writeSettings) { 15873 mSettings.writeLPr(); 15874 } 15875 } 15876 return true; 15877 } 15878 15879 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15880 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15881 PackageRemovedInfo outInfo, boolean writeSettings, 15882 PackageParser.Package replacingPackage) { 15883 synchronized (mPackages) { 15884 if (outInfo != null) { 15885 outInfo.uid = ps.appId; 15886 } 15887 15888 if (outInfo != null && outInfo.removedChildPackages != null) { 15889 final int childCount = (ps.childPackageNames != null) 15890 ? ps.childPackageNames.size() : 0; 15891 for (int i = 0; i < childCount; i++) { 15892 String childPackageName = ps.childPackageNames.get(i); 15893 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15894 if (childPs == null) { 15895 return false; 15896 } 15897 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15898 childPackageName); 15899 if (childInfo != null) { 15900 childInfo.uid = childPs.appId; 15901 } 15902 } 15903 } 15904 } 15905 15906 // Delete package data from internal structures and also remove data if flag is set 15907 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15908 15909 // Delete the child packages data 15910 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15911 for (int i = 0; i < childCount; i++) { 15912 PackageSetting childPs; 15913 synchronized (mPackages) { 15914 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15915 } 15916 if (childPs != null) { 15917 PackageRemovedInfo childOutInfo = (outInfo != null 15918 && outInfo.removedChildPackages != null) 15919 ? outInfo.removedChildPackages.get(childPs.name) : null; 15920 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15921 && (replacingPackage != null 15922 && !replacingPackage.hasChildPackage(childPs.name)) 15923 ? flags & ~DELETE_KEEP_DATA : flags; 15924 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15925 deleteFlags, writeSettings); 15926 } 15927 } 15928 15929 // Delete application code and resources only for parent packages 15930 if (ps.parentPackageName == null) { 15931 if (deleteCodeAndResources && (outInfo != null)) { 15932 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15933 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15934 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15935 } 15936 } 15937 15938 return true; 15939 } 15940 15941 @Override 15942 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15943 int userId) { 15944 mContext.enforceCallingOrSelfPermission( 15945 android.Manifest.permission.DELETE_PACKAGES, null); 15946 synchronized (mPackages) { 15947 PackageSetting ps = mSettings.mPackages.get(packageName); 15948 if (ps == null) { 15949 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15950 return false; 15951 } 15952 if (!ps.getInstalled(userId)) { 15953 // Can't block uninstall for an app that is not installed or enabled. 15954 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15955 return false; 15956 } 15957 ps.setBlockUninstall(blockUninstall, userId); 15958 mSettings.writePackageRestrictionsLPr(userId); 15959 } 15960 return true; 15961 } 15962 15963 @Override 15964 public boolean getBlockUninstallForUser(String packageName, int userId) { 15965 synchronized (mPackages) { 15966 PackageSetting ps = mSettings.mPackages.get(packageName); 15967 if (ps == null) { 15968 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15969 return false; 15970 } 15971 return ps.getBlockUninstall(userId); 15972 } 15973 } 15974 15975 @Override 15976 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15977 int callingUid = Binder.getCallingUid(); 15978 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15979 throw new SecurityException( 15980 "setRequiredForSystemUser can only be run by the system or root"); 15981 } 15982 synchronized (mPackages) { 15983 PackageSetting ps = mSettings.mPackages.get(packageName); 15984 if (ps == null) { 15985 Log.w(TAG, "Package doesn't exist: " + packageName); 15986 return false; 15987 } 15988 if (systemUserApp) { 15989 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15990 } else { 15991 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15992 } 15993 mSettings.writeLPr(); 15994 } 15995 return true; 15996 } 15997 15998 /* 15999 * This method handles package deletion in general 16000 */ 16001 private boolean deletePackageLIF(String packageName, UserHandle user, 16002 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16003 PackageRemovedInfo outInfo, boolean writeSettings, 16004 PackageParser.Package replacingPackage) { 16005 if (packageName == null) { 16006 Slog.w(TAG, "Attempt to delete null packageName."); 16007 return false; 16008 } 16009 16010 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16011 16012 PackageSetting ps; 16013 16014 synchronized (mPackages) { 16015 ps = mSettings.mPackages.get(packageName); 16016 if (ps == null) { 16017 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16018 return false; 16019 } 16020 16021 if (ps.parentPackageName != null && (!isSystemApp(ps) 16022 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16023 if (DEBUG_REMOVE) { 16024 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16025 + ((user == null) ? UserHandle.USER_ALL : user)); 16026 } 16027 final int removedUserId = (user != null) ? user.getIdentifier() 16028 : UserHandle.USER_ALL; 16029 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16030 return false; 16031 } 16032 markPackageUninstalledForUserLPw(ps, user); 16033 scheduleWritePackageRestrictionsLocked(user); 16034 return true; 16035 } 16036 } 16037 16038 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16039 && user.getIdentifier() != UserHandle.USER_ALL)) { 16040 // The caller is asking that the package only be deleted for a single 16041 // user. To do this, we just mark its uninstalled state and delete 16042 // its data. If this is a system app, we only allow this to happen if 16043 // they have set the special DELETE_SYSTEM_APP which requests different 16044 // semantics than normal for uninstalling system apps. 16045 markPackageUninstalledForUserLPw(ps, user); 16046 16047 if (!isSystemApp(ps)) { 16048 // Do not uninstall the APK if an app should be cached 16049 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16050 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16051 // Other user still have this package installed, so all 16052 // we need to do is clear this user's data and save that 16053 // it is uninstalled. 16054 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16055 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16056 return false; 16057 } 16058 scheduleWritePackageRestrictionsLocked(user); 16059 return true; 16060 } else { 16061 // We need to set it back to 'installed' so the uninstall 16062 // broadcasts will be sent correctly. 16063 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16064 ps.setInstalled(true, user.getIdentifier()); 16065 } 16066 } else { 16067 // This is a system app, so we assume that the 16068 // other users still have this package installed, so all 16069 // we need to do is clear this user's data and save that 16070 // it is uninstalled. 16071 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16072 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16073 return false; 16074 } 16075 scheduleWritePackageRestrictionsLocked(user); 16076 return true; 16077 } 16078 } 16079 16080 // If we are deleting a composite package for all users, keep track 16081 // of result for each child. 16082 if (ps.childPackageNames != null && outInfo != null) { 16083 synchronized (mPackages) { 16084 final int childCount = ps.childPackageNames.size(); 16085 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16086 for (int i = 0; i < childCount; i++) { 16087 String childPackageName = ps.childPackageNames.get(i); 16088 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16089 childInfo.removedPackage = childPackageName; 16090 outInfo.removedChildPackages.put(childPackageName, childInfo); 16091 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16092 if (childPs != null) { 16093 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16094 } 16095 } 16096 } 16097 } 16098 16099 boolean ret = false; 16100 if (isSystemApp(ps)) { 16101 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16102 // When an updated system application is deleted we delete the existing resources 16103 // as well and fall back to existing code in system partition 16104 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16105 } else { 16106 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16107 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16108 outInfo, writeSettings, replacingPackage); 16109 } 16110 16111 // Take a note whether we deleted the package for all users 16112 if (outInfo != null) { 16113 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16114 if (outInfo.removedChildPackages != null) { 16115 synchronized (mPackages) { 16116 final int childCount = outInfo.removedChildPackages.size(); 16117 for (int i = 0; i < childCount; i++) { 16118 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16119 if (childInfo != null) { 16120 childInfo.removedForAllUsers = mPackages.get( 16121 childInfo.removedPackage) == null; 16122 } 16123 } 16124 } 16125 } 16126 // If we uninstalled an update to a system app there may be some 16127 // child packages that appeared as they are declared in the system 16128 // app but were not declared in the update. 16129 if (isSystemApp(ps)) { 16130 synchronized (mPackages) { 16131 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16132 final int childCount = (updatedPs.childPackageNames != null) 16133 ? updatedPs.childPackageNames.size() : 0; 16134 for (int i = 0; i < childCount; i++) { 16135 String childPackageName = updatedPs.childPackageNames.get(i); 16136 if (outInfo.removedChildPackages == null 16137 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16138 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16139 if (childPs == null) { 16140 continue; 16141 } 16142 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16143 installRes.name = childPackageName; 16144 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16145 installRes.pkg = mPackages.get(childPackageName); 16146 installRes.uid = childPs.pkg.applicationInfo.uid; 16147 if (outInfo.appearedChildPackages == null) { 16148 outInfo.appearedChildPackages = new ArrayMap<>(); 16149 } 16150 outInfo.appearedChildPackages.put(childPackageName, installRes); 16151 } 16152 } 16153 } 16154 } 16155 } 16156 16157 return ret; 16158 } 16159 16160 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16161 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16162 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16163 for (int nextUserId : userIds) { 16164 if (DEBUG_REMOVE) { 16165 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16166 } 16167 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16168 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16169 false /*hidden*/, false /*suspended*/, null, null, null, 16170 false /*blockUninstall*/, 16171 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16172 } 16173 } 16174 16175 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16176 PackageRemovedInfo outInfo) { 16177 final PackageParser.Package pkg; 16178 synchronized (mPackages) { 16179 pkg = mPackages.get(ps.name); 16180 } 16181 16182 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16183 : new int[] {userId}; 16184 for (int nextUserId : userIds) { 16185 if (DEBUG_REMOVE) { 16186 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16187 + nextUserId); 16188 } 16189 16190 destroyAppDataLIF(pkg, userId, 16191 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16192 destroyAppProfilesLIF(pkg, userId); 16193 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16194 schedulePackageCleaning(ps.name, nextUserId, false); 16195 synchronized (mPackages) { 16196 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16197 scheduleWritePackageRestrictionsLocked(nextUserId); 16198 } 16199 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16200 } 16201 } 16202 16203 if (outInfo != null) { 16204 outInfo.removedPackage = ps.name; 16205 outInfo.removedAppId = ps.appId; 16206 outInfo.removedUsers = userIds; 16207 } 16208 16209 return true; 16210 } 16211 16212 private final class ClearStorageConnection implements ServiceConnection { 16213 IMediaContainerService mContainerService; 16214 16215 @Override 16216 public void onServiceConnected(ComponentName name, IBinder service) { 16217 synchronized (this) { 16218 mContainerService = IMediaContainerService.Stub.asInterface(service); 16219 notifyAll(); 16220 } 16221 } 16222 16223 @Override 16224 public void onServiceDisconnected(ComponentName name) { 16225 } 16226 } 16227 16228 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16229 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16230 16231 final boolean mounted; 16232 if (Environment.isExternalStorageEmulated()) { 16233 mounted = true; 16234 } else { 16235 final String status = Environment.getExternalStorageState(); 16236 16237 mounted = status.equals(Environment.MEDIA_MOUNTED) 16238 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16239 } 16240 16241 if (!mounted) { 16242 return; 16243 } 16244 16245 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16246 int[] users; 16247 if (userId == UserHandle.USER_ALL) { 16248 users = sUserManager.getUserIds(); 16249 } else { 16250 users = new int[] { userId }; 16251 } 16252 final ClearStorageConnection conn = new ClearStorageConnection(); 16253 if (mContext.bindServiceAsUser( 16254 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16255 try { 16256 for (int curUser : users) { 16257 long timeout = SystemClock.uptimeMillis() + 5000; 16258 synchronized (conn) { 16259 long now; 16260 while (conn.mContainerService == null && 16261 (now = SystemClock.uptimeMillis()) < timeout) { 16262 try { 16263 conn.wait(timeout - now); 16264 } catch (InterruptedException e) { 16265 } 16266 } 16267 } 16268 if (conn.mContainerService == null) { 16269 return; 16270 } 16271 16272 final UserEnvironment userEnv = new UserEnvironment(curUser); 16273 clearDirectory(conn.mContainerService, 16274 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16275 if (allData) { 16276 clearDirectory(conn.mContainerService, 16277 userEnv.buildExternalStorageAppDataDirs(packageName)); 16278 clearDirectory(conn.mContainerService, 16279 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16280 } 16281 } 16282 } finally { 16283 mContext.unbindService(conn); 16284 } 16285 } 16286 } 16287 16288 @Override 16289 public void clearApplicationProfileData(String packageName) { 16290 enforceSystemOrRoot("Only the system can clear all profile data"); 16291 16292 final PackageParser.Package pkg; 16293 synchronized (mPackages) { 16294 pkg = mPackages.get(packageName); 16295 } 16296 16297 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16298 synchronized (mInstallLock) { 16299 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16300 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16301 true /* removeBaseMarker */); 16302 } 16303 } 16304 } 16305 16306 @Override 16307 public void clearApplicationUserData(final String packageName, 16308 final IPackageDataObserver observer, final int userId) { 16309 mContext.enforceCallingOrSelfPermission( 16310 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16311 16312 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16313 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16314 16315 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16316 throw new SecurityException("Cannot clear data for a protected package: " 16317 + packageName); 16318 } 16319 // Queue up an async operation since the package deletion may take a little while. 16320 mHandler.post(new Runnable() { 16321 public void run() { 16322 mHandler.removeCallbacks(this); 16323 final boolean succeeded; 16324 try (PackageFreezer freezer = freezePackage(packageName, 16325 "clearApplicationUserData")) { 16326 synchronized (mInstallLock) { 16327 succeeded = clearApplicationUserDataLIF(packageName, userId); 16328 } 16329 clearExternalStorageDataSync(packageName, userId, true); 16330 } 16331 if (succeeded) { 16332 // invoke DeviceStorageMonitor's update method to clear any notifications 16333 DeviceStorageMonitorInternal dsm = LocalServices 16334 .getService(DeviceStorageMonitorInternal.class); 16335 if (dsm != null) { 16336 dsm.checkMemory(); 16337 } 16338 } 16339 if(observer != null) { 16340 try { 16341 observer.onRemoveCompleted(packageName, succeeded); 16342 } catch (RemoteException e) { 16343 Log.i(TAG, "Observer no longer exists."); 16344 } 16345 } //end if observer 16346 } //end run 16347 }); 16348 } 16349 16350 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16351 if (packageName == null) { 16352 Slog.w(TAG, "Attempt to delete null packageName."); 16353 return false; 16354 } 16355 16356 // Try finding details about the requested package 16357 PackageParser.Package pkg; 16358 synchronized (mPackages) { 16359 pkg = mPackages.get(packageName); 16360 if (pkg == null) { 16361 final PackageSetting ps = mSettings.mPackages.get(packageName); 16362 if (ps != null) { 16363 pkg = ps.pkg; 16364 } 16365 } 16366 16367 if (pkg == null) { 16368 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16369 return false; 16370 } 16371 16372 PackageSetting ps = (PackageSetting) pkg.mExtras; 16373 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16374 } 16375 16376 clearAppDataLIF(pkg, userId, 16377 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16378 16379 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16380 removeKeystoreDataIfNeeded(userId, appId); 16381 16382 UserManagerInternal umInternal = getUserManagerInternal(); 16383 final int flags; 16384 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16385 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16386 } else if (umInternal.isUserRunning(userId)) { 16387 flags = StorageManager.FLAG_STORAGE_DE; 16388 } else { 16389 flags = 0; 16390 } 16391 prepareAppDataContentsLIF(pkg, userId, flags); 16392 16393 return true; 16394 } 16395 16396 /** 16397 * Reverts user permission state changes (permissions and flags) in 16398 * all packages for a given user. 16399 * 16400 * @param userId The device user for which to do a reset. 16401 */ 16402 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16403 final int packageCount = mPackages.size(); 16404 for (int i = 0; i < packageCount; i++) { 16405 PackageParser.Package pkg = mPackages.valueAt(i); 16406 PackageSetting ps = (PackageSetting) pkg.mExtras; 16407 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16408 } 16409 } 16410 16411 private void resetNetworkPolicies(int userId) { 16412 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16413 } 16414 16415 /** 16416 * Reverts user permission state changes (permissions and flags). 16417 * 16418 * @param ps The package for which to reset. 16419 * @param userId The device user for which to do a reset. 16420 */ 16421 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16422 final PackageSetting ps, final int userId) { 16423 if (ps.pkg == null) { 16424 return; 16425 } 16426 16427 // These are flags that can change base on user actions. 16428 final int userSettableMask = FLAG_PERMISSION_USER_SET 16429 | FLAG_PERMISSION_USER_FIXED 16430 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16431 | FLAG_PERMISSION_REVIEW_REQUIRED; 16432 16433 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16434 | FLAG_PERMISSION_POLICY_FIXED; 16435 16436 boolean writeInstallPermissions = false; 16437 boolean writeRuntimePermissions = false; 16438 16439 final int permissionCount = ps.pkg.requestedPermissions.size(); 16440 for (int i = 0; i < permissionCount; i++) { 16441 String permission = ps.pkg.requestedPermissions.get(i); 16442 16443 BasePermission bp = mSettings.mPermissions.get(permission); 16444 if (bp == null) { 16445 continue; 16446 } 16447 16448 // If shared user we just reset the state to which only this app contributed. 16449 if (ps.sharedUser != null) { 16450 boolean used = false; 16451 final int packageCount = ps.sharedUser.packages.size(); 16452 for (int j = 0; j < packageCount; j++) { 16453 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16454 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16455 && pkg.pkg.requestedPermissions.contains(permission)) { 16456 used = true; 16457 break; 16458 } 16459 } 16460 if (used) { 16461 continue; 16462 } 16463 } 16464 16465 PermissionsState permissionsState = ps.getPermissionsState(); 16466 16467 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16468 16469 // Always clear the user settable flags. 16470 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16471 bp.name) != null; 16472 // If permission review is enabled and this is a legacy app, mark the 16473 // permission as requiring a review as this is the initial state. 16474 int flags = 0; 16475 if (Build.PERMISSIONS_REVIEW_REQUIRED 16476 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16477 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16478 } 16479 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16480 if (hasInstallState) { 16481 writeInstallPermissions = true; 16482 } else { 16483 writeRuntimePermissions = true; 16484 } 16485 } 16486 16487 // Below is only runtime permission handling. 16488 if (!bp.isRuntime()) { 16489 continue; 16490 } 16491 16492 // Never clobber system or policy. 16493 if ((oldFlags & policyOrSystemFlags) != 0) { 16494 continue; 16495 } 16496 16497 // If this permission was granted by default, make sure it is. 16498 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16499 if (permissionsState.grantRuntimePermission(bp, userId) 16500 != PERMISSION_OPERATION_FAILURE) { 16501 writeRuntimePermissions = true; 16502 } 16503 // If permission review is enabled the permissions for a legacy apps 16504 // are represented as constantly granted runtime ones, so don't revoke. 16505 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16506 // Otherwise, reset the permission. 16507 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16508 switch (revokeResult) { 16509 case PERMISSION_OPERATION_SUCCESS: 16510 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16511 writeRuntimePermissions = true; 16512 final int appId = ps.appId; 16513 mHandler.post(new Runnable() { 16514 @Override 16515 public void run() { 16516 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16517 } 16518 }); 16519 } break; 16520 } 16521 } 16522 } 16523 16524 // Synchronously write as we are taking permissions away. 16525 if (writeRuntimePermissions) { 16526 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16527 } 16528 16529 // Synchronously write as we are taking permissions away. 16530 if (writeInstallPermissions) { 16531 mSettings.writeLPr(); 16532 } 16533 } 16534 16535 /** 16536 * Remove entries from the keystore daemon. Will only remove it if the 16537 * {@code appId} is valid. 16538 */ 16539 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16540 if (appId < 0) { 16541 return; 16542 } 16543 16544 final KeyStore keyStore = KeyStore.getInstance(); 16545 if (keyStore != null) { 16546 if (userId == UserHandle.USER_ALL) { 16547 for (final int individual : sUserManager.getUserIds()) { 16548 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16549 } 16550 } else { 16551 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16552 } 16553 } else { 16554 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16555 } 16556 } 16557 16558 @Override 16559 public void deleteApplicationCacheFiles(final String packageName, 16560 final IPackageDataObserver observer) { 16561 final int userId = UserHandle.getCallingUserId(); 16562 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16563 } 16564 16565 @Override 16566 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16567 final IPackageDataObserver observer) { 16568 mContext.enforceCallingOrSelfPermission( 16569 android.Manifest.permission.DELETE_CACHE_FILES, null); 16570 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16571 /* requireFullPermission= */ true, /* checkShell= */ false, 16572 "delete application cache files"); 16573 16574 final PackageParser.Package pkg; 16575 synchronized (mPackages) { 16576 pkg = mPackages.get(packageName); 16577 } 16578 16579 // Queue up an async operation since the package deletion may take a little while. 16580 mHandler.post(new Runnable() { 16581 public void run() { 16582 synchronized (mInstallLock) { 16583 final int flags = StorageManager.FLAG_STORAGE_DE 16584 | StorageManager.FLAG_STORAGE_CE; 16585 // We're only clearing cache files, so we don't care if the 16586 // app is unfrozen and still able to run 16587 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16588 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16589 } 16590 clearExternalStorageDataSync(packageName, userId, false); 16591 if (observer != null) { 16592 try { 16593 observer.onRemoveCompleted(packageName, true); 16594 } catch (RemoteException e) { 16595 Log.i(TAG, "Observer no longer exists."); 16596 } 16597 } 16598 } 16599 }); 16600 } 16601 16602 @Override 16603 public void getPackageSizeInfo(final String packageName, int userHandle, 16604 final IPackageStatsObserver observer) { 16605 mContext.enforceCallingOrSelfPermission( 16606 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16607 if (packageName == null) { 16608 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16609 } 16610 16611 PackageStats stats = new PackageStats(packageName, userHandle); 16612 16613 /* 16614 * Queue up an async operation since the package measurement may take a 16615 * little while. 16616 */ 16617 Message msg = mHandler.obtainMessage(INIT_COPY); 16618 msg.obj = new MeasureParams(stats, observer); 16619 mHandler.sendMessage(msg); 16620 } 16621 16622 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16623 final PackageSetting ps; 16624 synchronized (mPackages) { 16625 ps = mSettings.mPackages.get(packageName); 16626 if (ps == null) { 16627 Slog.w(TAG, "Failed to find settings for " + packageName); 16628 return false; 16629 } 16630 } 16631 try { 16632 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16633 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16634 ps.getCeDataInode(userId), ps.codePathString, stats); 16635 } catch (InstallerException e) { 16636 Slog.w(TAG, String.valueOf(e)); 16637 return false; 16638 } 16639 16640 // For now, ignore code size of packages on system partition 16641 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16642 stats.codeSize = 0; 16643 } 16644 16645 return true; 16646 } 16647 16648 private int getUidTargetSdkVersionLockedLPr(int uid) { 16649 Object obj = mSettings.getUserIdLPr(uid); 16650 if (obj instanceof SharedUserSetting) { 16651 final SharedUserSetting sus = (SharedUserSetting) obj; 16652 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16653 final Iterator<PackageSetting> it = sus.packages.iterator(); 16654 while (it.hasNext()) { 16655 final PackageSetting ps = it.next(); 16656 if (ps.pkg != null) { 16657 int v = ps.pkg.applicationInfo.targetSdkVersion; 16658 if (v < vers) vers = v; 16659 } 16660 } 16661 return vers; 16662 } else if (obj instanceof PackageSetting) { 16663 final PackageSetting ps = (PackageSetting) obj; 16664 if (ps.pkg != null) { 16665 return ps.pkg.applicationInfo.targetSdkVersion; 16666 } 16667 } 16668 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16669 } 16670 16671 @Override 16672 public void addPreferredActivity(IntentFilter filter, int match, 16673 ComponentName[] set, ComponentName activity, int userId) { 16674 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16675 "Adding preferred"); 16676 } 16677 16678 private void addPreferredActivityInternal(IntentFilter filter, int match, 16679 ComponentName[] set, ComponentName activity, boolean always, int userId, 16680 String opname) { 16681 // writer 16682 int callingUid = Binder.getCallingUid(); 16683 enforceCrossUserPermission(callingUid, userId, 16684 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16685 if (filter.countActions() == 0) { 16686 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16687 return; 16688 } 16689 synchronized (mPackages) { 16690 if (mContext.checkCallingOrSelfPermission( 16691 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16692 != PackageManager.PERMISSION_GRANTED) { 16693 if (getUidTargetSdkVersionLockedLPr(callingUid) 16694 < Build.VERSION_CODES.FROYO) { 16695 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16696 + callingUid); 16697 return; 16698 } 16699 mContext.enforceCallingOrSelfPermission( 16700 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16701 } 16702 16703 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16704 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16705 + userId + ":"); 16706 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16707 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16708 scheduleWritePackageRestrictionsLocked(userId); 16709 postPreferredActivityChangedBroadcast(userId); 16710 } 16711 } 16712 16713 private void postPreferredActivityChangedBroadcast(int userId) { 16714 mHandler.post(() -> { 16715 final IActivityManager am = ActivityManagerNative.getDefault(); 16716 if (am == null) { 16717 return; 16718 } 16719 16720 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16721 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16722 try { 16723 am.broadcastIntent(null, intent, null, null, 16724 0, null, null, null, android.app.AppOpsManager.OP_NONE, 16725 null, false, false, userId); 16726 } catch (RemoteException e) { 16727 } 16728 }); 16729 } 16730 16731 @Override 16732 public void replacePreferredActivity(IntentFilter filter, int match, 16733 ComponentName[] set, ComponentName activity, int userId) { 16734 if (filter.countActions() != 1) { 16735 throw new IllegalArgumentException( 16736 "replacePreferredActivity expects filter to have only 1 action."); 16737 } 16738 if (filter.countDataAuthorities() != 0 16739 || filter.countDataPaths() != 0 16740 || filter.countDataSchemes() > 1 16741 || filter.countDataTypes() != 0) { 16742 throw new IllegalArgumentException( 16743 "replacePreferredActivity expects filter to have no data authorities, " + 16744 "paths, or types; and at most one scheme."); 16745 } 16746 16747 final int callingUid = Binder.getCallingUid(); 16748 enforceCrossUserPermission(callingUid, userId, 16749 true /* requireFullPermission */, false /* checkShell */, 16750 "replace preferred activity"); 16751 synchronized (mPackages) { 16752 if (mContext.checkCallingOrSelfPermission( 16753 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16754 != PackageManager.PERMISSION_GRANTED) { 16755 if (getUidTargetSdkVersionLockedLPr(callingUid) 16756 < Build.VERSION_CODES.FROYO) { 16757 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16758 + Binder.getCallingUid()); 16759 return; 16760 } 16761 mContext.enforceCallingOrSelfPermission( 16762 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16763 } 16764 16765 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16766 if (pir != null) { 16767 // Get all of the existing entries that exactly match this filter. 16768 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16769 if (existing != null && existing.size() == 1) { 16770 PreferredActivity cur = existing.get(0); 16771 if (DEBUG_PREFERRED) { 16772 Slog.i(TAG, "Checking replace of preferred:"); 16773 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16774 if (!cur.mPref.mAlways) { 16775 Slog.i(TAG, " -- CUR; not mAlways!"); 16776 } else { 16777 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16778 Slog.i(TAG, " -- CUR: mSet=" 16779 + Arrays.toString(cur.mPref.mSetComponents)); 16780 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16781 Slog.i(TAG, " -- NEW: mMatch=" 16782 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16783 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16784 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16785 } 16786 } 16787 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16788 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16789 && cur.mPref.sameSet(set)) { 16790 // Setting the preferred activity to what it happens to be already 16791 if (DEBUG_PREFERRED) { 16792 Slog.i(TAG, "Replacing with same preferred activity " 16793 + cur.mPref.mShortComponent + " for user " 16794 + userId + ":"); 16795 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16796 } 16797 return; 16798 } 16799 } 16800 16801 if (existing != null) { 16802 if (DEBUG_PREFERRED) { 16803 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16804 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16805 } 16806 for (int i = 0; i < existing.size(); i++) { 16807 PreferredActivity pa = existing.get(i); 16808 if (DEBUG_PREFERRED) { 16809 Slog.i(TAG, "Removing existing preferred activity " 16810 + pa.mPref.mComponent + ":"); 16811 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16812 } 16813 pir.removeFilter(pa); 16814 } 16815 } 16816 } 16817 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16818 "Replacing preferred"); 16819 } 16820 } 16821 16822 @Override 16823 public void clearPackagePreferredActivities(String packageName) { 16824 final int uid = Binder.getCallingUid(); 16825 // writer 16826 synchronized (mPackages) { 16827 PackageParser.Package pkg = mPackages.get(packageName); 16828 if (pkg == null || pkg.applicationInfo.uid != uid) { 16829 if (mContext.checkCallingOrSelfPermission( 16830 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16831 != PackageManager.PERMISSION_GRANTED) { 16832 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16833 < Build.VERSION_CODES.FROYO) { 16834 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16835 + Binder.getCallingUid()); 16836 return; 16837 } 16838 mContext.enforceCallingOrSelfPermission( 16839 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16840 } 16841 } 16842 16843 int user = UserHandle.getCallingUserId(); 16844 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16845 scheduleWritePackageRestrictionsLocked(user); 16846 } 16847 } 16848 } 16849 16850 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16851 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16852 ArrayList<PreferredActivity> removed = null; 16853 boolean changed = false; 16854 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16855 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16856 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16857 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16858 continue; 16859 } 16860 Iterator<PreferredActivity> it = pir.filterIterator(); 16861 while (it.hasNext()) { 16862 PreferredActivity pa = it.next(); 16863 // Mark entry for removal only if it matches the package name 16864 // and the entry is of type "always". 16865 if (packageName == null || 16866 (pa.mPref.mComponent.getPackageName().equals(packageName) 16867 && pa.mPref.mAlways)) { 16868 if (removed == null) { 16869 removed = new ArrayList<PreferredActivity>(); 16870 } 16871 removed.add(pa); 16872 } 16873 } 16874 if (removed != null) { 16875 for (int j=0; j<removed.size(); j++) { 16876 PreferredActivity pa = removed.get(j); 16877 pir.removeFilter(pa); 16878 } 16879 changed = true; 16880 } 16881 } 16882 if (changed) { 16883 postPreferredActivityChangedBroadcast(userId); 16884 } 16885 return changed; 16886 } 16887 16888 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16889 private void clearIntentFilterVerificationsLPw(int userId) { 16890 final int packageCount = mPackages.size(); 16891 for (int i = 0; i < packageCount; i++) { 16892 PackageParser.Package pkg = mPackages.valueAt(i); 16893 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16894 } 16895 } 16896 16897 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16898 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16899 if (userId == UserHandle.USER_ALL) { 16900 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16901 sUserManager.getUserIds())) { 16902 for (int oneUserId : sUserManager.getUserIds()) { 16903 scheduleWritePackageRestrictionsLocked(oneUserId); 16904 } 16905 } 16906 } else { 16907 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16908 scheduleWritePackageRestrictionsLocked(userId); 16909 } 16910 } 16911 } 16912 16913 void clearDefaultBrowserIfNeeded(String packageName) { 16914 for (int oneUserId : sUserManager.getUserIds()) { 16915 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16916 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16917 if (packageName.equals(defaultBrowserPackageName)) { 16918 setDefaultBrowserPackageName(null, oneUserId); 16919 } 16920 } 16921 } 16922 16923 @Override 16924 public void resetApplicationPreferences(int userId) { 16925 mContext.enforceCallingOrSelfPermission( 16926 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16927 final long identity = Binder.clearCallingIdentity(); 16928 // writer 16929 try { 16930 synchronized (mPackages) { 16931 clearPackagePreferredActivitiesLPw(null, userId); 16932 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16933 // TODO: We have to reset the default SMS and Phone. This requires 16934 // significant refactoring to keep all default apps in the package 16935 // manager (cleaner but more work) or have the services provide 16936 // callbacks to the package manager to request a default app reset. 16937 applyFactoryDefaultBrowserLPw(userId); 16938 clearIntentFilterVerificationsLPw(userId); 16939 primeDomainVerificationsLPw(userId); 16940 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16941 scheduleWritePackageRestrictionsLocked(userId); 16942 } 16943 resetNetworkPolicies(userId); 16944 } finally { 16945 Binder.restoreCallingIdentity(identity); 16946 } 16947 } 16948 16949 @Override 16950 public int getPreferredActivities(List<IntentFilter> outFilters, 16951 List<ComponentName> outActivities, String packageName) { 16952 16953 int num = 0; 16954 final int userId = UserHandle.getCallingUserId(); 16955 // reader 16956 synchronized (mPackages) { 16957 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16958 if (pir != null) { 16959 final Iterator<PreferredActivity> it = pir.filterIterator(); 16960 while (it.hasNext()) { 16961 final PreferredActivity pa = it.next(); 16962 if (packageName == null 16963 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16964 && pa.mPref.mAlways)) { 16965 if (outFilters != null) { 16966 outFilters.add(new IntentFilter(pa)); 16967 } 16968 if (outActivities != null) { 16969 outActivities.add(pa.mPref.mComponent); 16970 } 16971 } 16972 } 16973 } 16974 } 16975 16976 return num; 16977 } 16978 16979 @Override 16980 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16981 int userId) { 16982 int callingUid = Binder.getCallingUid(); 16983 if (callingUid != Process.SYSTEM_UID) { 16984 throw new SecurityException( 16985 "addPersistentPreferredActivity can only be run by the system"); 16986 } 16987 if (filter.countActions() == 0) { 16988 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16989 return; 16990 } 16991 synchronized (mPackages) { 16992 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16993 ":"); 16994 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16995 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16996 new PersistentPreferredActivity(filter, activity)); 16997 scheduleWritePackageRestrictionsLocked(userId); 16998 postPreferredActivityChangedBroadcast(userId); 16999 } 17000 } 17001 17002 @Override 17003 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17004 int callingUid = Binder.getCallingUid(); 17005 if (callingUid != Process.SYSTEM_UID) { 17006 throw new SecurityException( 17007 "clearPackagePersistentPreferredActivities can only be run by the system"); 17008 } 17009 ArrayList<PersistentPreferredActivity> removed = null; 17010 boolean changed = false; 17011 synchronized (mPackages) { 17012 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17013 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17014 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17015 .valueAt(i); 17016 if (userId != thisUserId) { 17017 continue; 17018 } 17019 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17020 while (it.hasNext()) { 17021 PersistentPreferredActivity ppa = it.next(); 17022 // Mark entry for removal only if it matches the package name. 17023 if (ppa.mComponent.getPackageName().equals(packageName)) { 17024 if (removed == null) { 17025 removed = new ArrayList<PersistentPreferredActivity>(); 17026 } 17027 removed.add(ppa); 17028 } 17029 } 17030 if (removed != null) { 17031 for (int j=0; j<removed.size(); j++) { 17032 PersistentPreferredActivity ppa = removed.get(j); 17033 ppir.removeFilter(ppa); 17034 } 17035 changed = true; 17036 } 17037 } 17038 17039 if (changed) { 17040 scheduleWritePackageRestrictionsLocked(userId); 17041 postPreferredActivityChangedBroadcast(userId); 17042 } 17043 } 17044 } 17045 17046 /** 17047 * Common machinery for picking apart a restored XML blob and passing 17048 * it to a caller-supplied functor to be applied to the running system. 17049 */ 17050 private void restoreFromXml(XmlPullParser parser, int userId, 17051 String expectedStartTag, BlobXmlRestorer functor) 17052 throws IOException, XmlPullParserException { 17053 int type; 17054 while ((type = parser.next()) != XmlPullParser.START_TAG 17055 && type != XmlPullParser.END_DOCUMENT) { 17056 } 17057 if (type != XmlPullParser.START_TAG) { 17058 // oops didn't find a start tag?! 17059 if (DEBUG_BACKUP) { 17060 Slog.e(TAG, "Didn't find start tag during restore"); 17061 } 17062 return; 17063 } 17064Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17065 // this is supposed to be TAG_PREFERRED_BACKUP 17066 if (!expectedStartTag.equals(parser.getName())) { 17067 if (DEBUG_BACKUP) { 17068 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17069 } 17070 return; 17071 } 17072 17073 // skip interfering stuff, then we're aligned with the backing implementation 17074 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17075Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17076 functor.apply(parser, userId); 17077 } 17078 17079 private interface BlobXmlRestorer { 17080 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17081 } 17082 17083 /** 17084 * Non-Binder method, support for the backup/restore mechanism: write the 17085 * full set of preferred activities in its canonical XML format. Returns the 17086 * XML output as a byte array, or null if there is none. 17087 */ 17088 @Override 17089 public byte[] getPreferredActivityBackup(int userId) { 17090 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17091 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17092 } 17093 17094 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17095 try { 17096 final XmlSerializer serializer = new FastXmlSerializer(); 17097 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17098 serializer.startDocument(null, true); 17099 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17100 17101 synchronized (mPackages) { 17102 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17103 } 17104 17105 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17106 serializer.endDocument(); 17107 serializer.flush(); 17108 } catch (Exception e) { 17109 if (DEBUG_BACKUP) { 17110 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17111 } 17112 return null; 17113 } 17114 17115 return dataStream.toByteArray(); 17116 } 17117 17118 @Override 17119 public void restorePreferredActivities(byte[] backup, int userId) { 17120 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17121 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17122 } 17123 17124 try { 17125 final XmlPullParser parser = Xml.newPullParser(); 17126 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17127 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17128 new BlobXmlRestorer() { 17129 @Override 17130 public void apply(XmlPullParser parser, int userId) 17131 throws XmlPullParserException, IOException { 17132 synchronized (mPackages) { 17133 mSettings.readPreferredActivitiesLPw(parser, userId); 17134 } 17135 } 17136 } ); 17137 } catch (Exception e) { 17138 if (DEBUG_BACKUP) { 17139 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17140 } 17141 } 17142 } 17143 17144 /** 17145 * Non-Binder method, support for the backup/restore mechanism: write the 17146 * default browser (etc) settings in its canonical XML format. Returns the default 17147 * browser XML representation as a byte array, or null if there is none. 17148 */ 17149 @Override 17150 public byte[] getDefaultAppsBackup(int userId) { 17151 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17152 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17153 } 17154 17155 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17156 try { 17157 final XmlSerializer serializer = new FastXmlSerializer(); 17158 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17159 serializer.startDocument(null, true); 17160 serializer.startTag(null, TAG_DEFAULT_APPS); 17161 17162 synchronized (mPackages) { 17163 mSettings.writeDefaultAppsLPr(serializer, userId); 17164 } 17165 17166 serializer.endTag(null, TAG_DEFAULT_APPS); 17167 serializer.endDocument(); 17168 serializer.flush(); 17169 } catch (Exception e) { 17170 if (DEBUG_BACKUP) { 17171 Slog.e(TAG, "Unable to write default apps for backup", e); 17172 } 17173 return null; 17174 } 17175 17176 return dataStream.toByteArray(); 17177 } 17178 17179 @Override 17180 public void restoreDefaultApps(byte[] backup, int userId) { 17181 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17182 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17183 } 17184 17185 try { 17186 final XmlPullParser parser = Xml.newPullParser(); 17187 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17188 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17189 new BlobXmlRestorer() { 17190 @Override 17191 public void apply(XmlPullParser parser, int userId) 17192 throws XmlPullParserException, IOException { 17193 synchronized (mPackages) { 17194 mSettings.readDefaultAppsLPw(parser, userId); 17195 } 17196 } 17197 } ); 17198 } catch (Exception e) { 17199 if (DEBUG_BACKUP) { 17200 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17201 } 17202 } 17203 } 17204 17205 @Override 17206 public byte[] getIntentFilterVerificationBackup(int userId) { 17207 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17208 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17209 } 17210 17211 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17212 try { 17213 final XmlSerializer serializer = new FastXmlSerializer(); 17214 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17215 serializer.startDocument(null, true); 17216 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17217 17218 synchronized (mPackages) { 17219 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17220 } 17221 17222 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17223 serializer.endDocument(); 17224 serializer.flush(); 17225 } catch (Exception e) { 17226 if (DEBUG_BACKUP) { 17227 Slog.e(TAG, "Unable to write default apps for backup", e); 17228 } 17229 return null; 17230 } 17231 17232 return dataStream.toByteArray(); 17233 } 17234 17235 @Override 17236 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17237 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17238 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17239 } 17240 17241 try { 17242 final XmlPullParser parser = Xml.newPullParser(); 17243 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17244 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17245 new BlobXmlRestorer() { 17246 @Override 17247 public void apply(XmlPullParser parser, int userId) 17248 throws XmlPullParserException, IOException { 17249 synchronized (mPackages) { 17250 mSettings.readAllDomainVerificationsLPr(parser, userId); 17251 mSettings.writeLPr(); 17252 } 17253 } 17254 } ); 17255 } catch (Exception e) { 17256 if (DEBUG_BACKUP) { 17257 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17258 } 17259 } 17260 } 17261 17262 @Override 17263 public byte[] getPermissionGrantBackup(int userId) { 17264 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17265 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17266 } 17267 17268 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17269 try { 17270 final XmlSerializer serializer = new FastXmlSerializer(); 17271 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17272 serializer.startDocument(null, true); 17273 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17274 17275 synchronized (mPackages) { 17276 serializeRuntimePermissionGrantsLPr(serializer, userId); 17277 } 17278 17279 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17280 serializer.endDocument(); 17281 serializer.flush(); 17282 } catch (Exception e) { 17283 if (DEBUG_BACKUP) { 17284 Slog.e(TAG, "Unable to write default apps for backup", e); 17285 } 17286 return null; 17287 } 17288 17289 return dataStream.toByteArray(); 17290 } 17291 17292 @Override 17293 public void restorePermissionGrants(byte[] backup, int userId) { 17294 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17295 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17296 } 17297 17298 try { 17299 final XmlPullParser parser = Xml.newPullParser(); 17300 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17301 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17302 new BlobXmlRestorer() { 17303 @Override 17304 public void apply(XmlPullParser parser, int userId) 17305 throws XmlPullParserException, IOException { 17306 synchronized (mPackages) { 17307 processRestoredPermissionGrantsLPr(parser, userId); 17308 } 17309 } 17310 } ); 17311 } catch (Exception e) { 17312 if (DEBUG_BACKUP) { 17313 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17314 } 17315 } 17316 } 17317 17318 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17319 throws IOException { 17320 serializer.startTag(null, TAG_ALL_GRANTS); 17321 17322 final int N = mSettings.mPackages.size(); 17323 for (int i = 0; i < N; i++) { 17324 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17325 boolean pkgGrantsKnown = false; 17326 17327 PermissionsState packagePerms = ps.getPermissionsState(); 17328 17329 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17330 final int grantFlags = state.getFlags(); 17331 // only look at grants that are not system/policy fixed 17332 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17333 final boolean isGranted = state.isGranted(); 17334 // And only back up the user-twiddled state bits 17335 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17336 final String packageName = mSettings.mPackages.keyAt(i); 17337 if (!pkgGrantsKnown) { 17338 serializer.startTag(null, TAG_GRANT); 17339 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17340 pkgGrantsKnown = true; 17341 } 17342 17343 final boolean userSet = 17344 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17345 final boolean userFixed = 17346 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17347 final boolean revoke = 17348 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17349 17350 serializer.startTag(null, TAG_PERMISSION); 17351 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17352 if (isGranted) { 17353 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17354 } 17355 if (userSet) { 17356 serializer.attribute(null, ATTR_USER_SET, "true"); 17357 } 17358 if (userFixed) { 17359 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17360 } 17361 if (revoke) { 17362 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17363 } 17364 serializer.endTag(null, TAG_PERMISSION); 17365 } 17366 } 17367 } 17368 17369 if (pkgGrantsKnown) { 17370 serializer.endTag(null, TAG_GRANT); 17371 } 17372 } 17373 17374 serializer.endTag(null, TAG_ALL_GRANTS); 17375 } 17376 17377 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17378 throws XmlPullParserException, IOException { 17379 String pkgName = null; 17380 int outerDepth = parser.getDepth(); 17381 int type; 17382 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17383 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17384 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17385 continue; 17386 } 17387 17388 final String tagName = parser.getName(); 17389 if (tagName.equals(TAG_GRANT)) { 17390 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17391 if (DEBUG_BACKUP) { 17392 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17393 } 17394 } else if (tagName.equals(TAG_PERMISSION)) { 17395 17396 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17397 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17398 17399 int newFlagSet = 0; 17400 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17401 newFlagSet |= FLAG_PERMISSION_USER_SET; 17402 } 17403 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17404 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17405 } 17406 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17407 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17408 } 17409 if (DEBUG_BACKUP) { 17410 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17411 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17412 } 17413 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17414 if (ps != null) { 17415 // Already installed so we apply the grant immediately 17416 if (DEBUG_BACKUP) { 17417 Slog.v(TAG, " + already installed; applying"); 17418 } 17419 PermissionsState perms = ps.getPermissionsState(); 17420 BasePermission bp = mSettings.mPermissions.get(permName); 17421 if (bp != null) { 17422 if (isGranted) { 17423 perms.grantRuntimePermission(bp, userId); 17424 } 17425 if (newFlagSet != 0) { 17426 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17427 } 17428 } 17429 } else { 17430 // Need to wait for post-restore install to apply the grant 17431 if (DEBUG_BACKUP) { 17432 Slog.v(TAG, " - not yet installed; saving for later"); 17433 } 17434 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17435 isGranted, newFlagSet, userId); 17436 } 17437 } else { 17438 PackageManagerService.reportSettingsProblem(Log.WARN, 17439 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17440 XmlUtils.skipCurrentTag(parser); 17441 } 17442 } 17443 17444 scheduleWriteSettingsLocked(); 17445 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17446 } 17447 17448 @Override 17449 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17450 int sourceUserId, int targetUserId, int flags) { 17451 mContext.enforceCallingOrSelfPermission( 17452 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17453 int callingUid = Binder.getCallingUid(); 17454 enforceOwnerRights(ownerPackage, callingUid); 17455 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17456 if (intentFilter.countActions() == 0) { 17457 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17458 return; 17459 } 17460 synchronized (mPackages) { 17461 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17462 ownerPackage, targetUserId, flags); 17463 CrossProfileIntentResolver resolver = 17464 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17465 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17466 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17467 if (existing != null) { 17468 int size = existing.size(); 17469 for (int i = 0; i < size; i++) { 17470 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17471 return; 17472 } 17473 } 17474 } 17475 resolver.addFilter(newFilter); 17476 scheduleWritePackageRestrictionsLocked(sourceUserId); 17477 } 17478 } 17479 17480 @Override 17481 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17482 mContext.enforceCallingOrSelfPermission( 17483 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17484 int callingUid = Binder.getCallingUid(); 17485 enforceOwnerRights(ownerPackage, callingUid); 17486 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17487 synchronized (mPackages) { 17488 CrossProfileIntentResolver resolver = 17489 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17490 ArraySet<CrossProfileIntentFilter> set = 17491 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17492 for (CrossProfileIntentFilter filter : set) { 17493 if (filter.getOwnerPackage().equals(ownerPackage)) { 17494 resolver.removeFilter(filter); 17495 } 17496 } 17497 scheduleWritePackageRestrictionsLocked(sourceUserId); 17498 } 17499 } 17500 17501 // Enforcing that callingUid is owning pkg on userId 17502 private void enforceOwnerRights(String pkg, int callingUid) { 17503 // The system owns everything. 17504 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17505 return; 17506 } 17507 int callingUserId = UserHandle.getUserId(callingUid); 17508 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17509 if (pi == null) { 17510 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17511 + callingUserId); 17512 } 17513 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17514 throw new SecurityException("Calling uid " + callingUid 17515 + " does not own package " + pkg); 17516 } 17517 } 17518 17519 @Override 17520 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17521 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17522 } 17523 17524 private Intent getHomeIntent() { 17525 Intent intent = new Intent(Intent.ACTION_MAIN); 17526 intent.addCategory(Intent.CATEGORY_HOME); 17527 intent.addCategory(Intent.CATEGORY_DEFAULT); 17528 return intent; 17529 } 17530 17531 private IntentFilter getHomeFilter() { 17532 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17533 filter.addCategory(Intent.CATEGORY_HOME); 17534 filter.addCategory(Intent.CATEGORY_DEFAULT); 17535 return filter; 17536 } 17537 17538 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17539 int userId) { 17540 Intent intent = getHomeIntent(); 17541 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17542 PackageManager.GET_META_DATA, userId); 17543 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17544 true, false, false, userId); 17545 17546 allHomeCandidates.clear(); 17547 if (list != null) { 17548 for (ResolveInfo ri : list) { 17549 allHomeCandidates.add(ri); 17550 } 17551 } 17552 return (preferred == null || preferred.activityInfo == null) 17553 ? null 17554 : new ComponentName(preferred.activityInfo.packageName, 17555 preferred.activityInfo.name); 17556 } 17557 17558 @Override 17559 public void setHomeActivity(ComponentName comp, int userId) { 17560 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17561 getHomeActivitiesAsUser(homeActivities, userId); 17562 17563 boolean found = false; 17564 17565 final int size = homeActivities.size(); 17566 final ComponentName[] set = new ComponentName[size]; 17567 for (int i = 0; i < size; i++) { 17568 final ResolveInfo candidate = homeActivities.get(i); 17569 final ActivityInfo info = candidate.activityInfo; 17570 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17571 set[i] = activityName; 17572 if (!found && activityName.equals(comp)) { 17573 found = true; 17574 } 17575 } 17576 if (!found) { 17577 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17578 + userId); 17579 } 17580 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17581 set, comp, userId); 17582 } 17583 17584 private @Nullable String getSetupWizardPackageName() { 17585 final Intent intent = new Intent(Intent.ACTION_MAIN); 17586 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17587 17588 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17589 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17590 | MATCH_DISABLED_COMPONENTS, 17591 UserHandle.myUserId()); 17592 if (matches.size() == 1) { 17593 return matches.get(0).getComponentInfo().packageName; 17594 } else { 17595 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17596 + ": matches=" + matches); 17597 return null; 17598 } 17599 } 17600 17601 @Override 17602 public void setApplicationEnabledSetting(String appPackageName, 17603 int newState, int flags, int userId, String callingPackage) { 17604 if (!sUserManager.exists(userId)) return; 17605 if (callingPackage == null) { 17606 callingPackage = Integer.toString(Binder.getCallingUid()); 17607 } 17608 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17609 } 17610 17611 @Override 17612 public void setComponentEnabledSetting(ComponentName componentName, 17613 int newState, int flags, int userId) { 17614 if (!sUserManager.exists(userId)) return; 17615 setEnabledSetting(componentName.getPackageName(), 17616 componentName.getClassName(), newState, flags, userId, null); 17617 } 17618 17619 private void setEnabledSetting(final String packageName, String className, int newState, 17620 final int flags, int userId, String callingPackage) { 17621 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17622 || newState == COMPONENT_ENABLED_STATE_ENABLED 17623 || newState == COMPONENT_ENABLED_STATE_DISABLED 17624 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17625 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17626 throw new IllegalArgumentException("Invalid new component state: " 17627 + newState); 17628 } 17629 PackageSetting pkgSetting; 17630 final int uid = Binder.getCallingUid(); 17631 final int permission; 17632 if (uid == Process.SYSTEM_UID) { 17633 permission = PackageManager.PERMISSION_GRANTED; 17634 } else { 17635 permission = mContext.checkCallingOrSelfPermission( 17636 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17637 } 17638 enforceCrossUserPermission(uid, userId, 17639 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17640 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17641 boolean sendNow = false; 17642 boolean isApp = (className == null); 17643 String componentName = isApp ? packageName : className; 17644 int packageUid = -1; 17645 ArrayList<String> components; 17646 17647 // writer 17648 synchronized (mPackages) { 17649 pkgSetting = mSettings.mPackages.get(packageName); 17650 if (pkgSetting == null) { 17651 if (className == null) { 17652 throw new IllegalArgumentException("Unknown package: " + packageName); 17653 } 17654 throw new IllegalArgumentException( 17655 "Unknown component: " + packageName + "/" + className); 17656 } 17657 } 17658 17659 // Limit who can change which apps 17660 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17661 // Don't allow apps that don't have permission to modify other apps 17662 if (!allowedByPermission) { 17663 throw new SecurityException( 17664 "Permission Denial: attempt to change component state from pid=" 17665 + Binder.getCallingPid() 17666 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17667 } 17668 // Don't allow changing protected packages. 17669 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17670 throw new SecurityException("Cannot disable a protected package: " + packageName); 17671 } 17672 } 17673 17674 synchronized (mPackages) { 17675 if (uid == Process.SHELL_UID) { 17676 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17677 int oldState = pkgSetting.getEnabled(userId); 17678 if (className == null 17679 && 17680 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17681 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17682 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17683 && 17684 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17685 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17686 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17687 // ok 17688 } else { 17689 throw new SecurityException( 17690 "Shell cannot change component state for " + packageName + "/" 17691 + className + " to " + newState); 17692 } 17693 } 17694 if (className == null) { 17695 // We're dealing with an application/package level state change 17696 if (pkgSetting.getEnabled(userId) == newState) { 17697 // Nothing to do 17698 return; 17699 } 17700 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17701 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17702 // Don't care about who enables an app. 17703 callingPackage = null; 17704 } 17705 pkgSetting.setEnabled(newState, userId, callingPackage); 17706 // pkgSetting.pkg.mSetEnabled = newState; 17707 } else { 17708 // We're dealing with a component level state change 17709 // First, verify that this is a valid class name. 17710 PackageParser.Package pkg = pkgSetting.pkg; 17711 if (pkg == null || !pkg.hasComponentClassName(className)) { 17712 if (pkg != null && 17713 pkg.applicationInfo.targetSdkVersion >= 17714 Build.VERSION_CODES.JELLY_BEAN) { 17715 throw new IllegalArgumentException("Component class " + className 17716 + " does not exist in " + packageName); 17717 } else { 17718 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17719 + className + " does not exist in " + packageName); 17720 } 17721 } 17722 switch (newState) { 17723 case COMPONENT_ENABLED_STATE_ENABLED: 17724 if (!pkgSetting.enableComponentLPw(className, userId)) { 17725 return; 17726 } 17727 break; 17728 case COMPONENT_ENABLED_STATE_DISABLED: 17729 if (!pkgSetting.disableComponentLPw(className, userId)) { 17730 return; 17731 } 17732 break; 17733 case COMPONENT_ENABLED_STATE_DEFAULT: 17734 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17735 return; 17736 } 17737 break; 17738 default: 17739 Slog.e(TAG, "Invalid new component state: " + newState); 17740 return; 17741 } 17742 } 17743 scheduleWritePackageRestrictionsLocked(userId); 17744 components = mPendingBroadcasts.get(userId, packageName); 17745 final boolean newPackage = components == null; 17746 if (newPackage) { 17747 components = new ArrayList<String>(); 17748 } 17749 if (!components.contains(componentName)) { 17750 components.add(componentName); 17751 } 17752 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17753 sendNow = true; 17754 // Purge entry from pending broadcast list if another one exists already 17755 // since we are sending one right away. 17756 mPendingBroadcasts.remove(userId, packageName); 17757 } else { 17758 if (newPackage) { 17759 mPendingBroadcasts.put(userId, packageName, components); 17760 } 17761 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17762 // Schedule a message 17763 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17764 } 17765 } 17766 } 17767 17768 long callingId = Binder.clearCallingIdentity(); 17769 try { 17770 if (sendNow) { 17771 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17772 sendPackageChangedBroadcast(packageName, 17773 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17774 } 17775 } finally { 17776 Binder.restoreCallingIdentity(callingId); 17777 } 17778 } 17779 17780 @Override 17781 public void flushPackageRestrictionsAsUser(int userId) { 17782 if (!sUserManager.exists(userId)) { 17783 return; 17784 } 17785 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17786 false /* checkShell */, "flushPackageRestrictions"); 17787 synchronized (mPackages) { 17788 mSettings.writePackageRestrictionsLPr(userId); 17789 mDirtyUsers.remove(userId); 17790 if (mDirtyUsers.isEmpty()) { 17791 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17792 } 17793 } 17794 } 17795 17796 private void sendPackageChangedBroadcast(String packageName, 17797 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17798 if (DEBUG_INSTALL) 17799 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17800 + componentNames); 17801 Bundle extras = new Bundle(4); 17802 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17803 String nameList[] = new String[componentNames.size()]; 17804 componentNames.toArray(nameList); 17805 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17806 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17807 extras.putInt(Intent.EXTRA_UID, packageUid); 17808 // If this is not reporting a change of the overall package, then only send it 17809 // to registered receivers. We don't want to launch a swath of apps for every 17810 // little component state change. 17811 final int flags = !componentNames.contains(packageName) 17812 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17813 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17814 new int[] {UserHandle.getUserId(packageUid)}); 17815 } 17816 17817 @Override 17818 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17819 if (!sUserManager.exists(userId)) return; 17820 final int uid = Binder.getCallingUid(); 17821 final int permission = mContext.checkCallingOrSelfPermission( 17822 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17823 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17824 enforceCrossUserPermission(uid, userId, 17825 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17826 // writer 17827 synchronized (mPackages) { 17828 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17829 allowedByPermission, uid, userId)) { 17830 scheduleWritePackageRestrictionsLocked(userId); 17831 } 17832 } 17833 } 17834 17835 @Override 17836 public String getInstallerPackageName(String packageName) { 17837 // reader 17838 synchronized (mPackages) { 17839 return mSettings.getInstallerPackageNameLPr(packageName); 17840 } 17841 } 17842 17843 public boolean isOrphaned(String packageName) { 17844 // reader 17845 synchronized (mPackages) { 17846 return mSettings.isOrphaned(packageName); 17847 } 17848 } 17849 17850 @Override 17851 public int getApplicationEnabledSetting(String packageName, int userId) { 17852 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17853 int uid = Binder.getCallingUid(); 17854 enforceCrossUserPermission(uid, userId, 17855 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17856 // reader 17857 synchronized (mPackages) { 17858 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17859 } 17860 } 17861 17862 @Override 17863 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17864 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17865 int uid = Binder.getCallingUid(); 17866 enforceCrossUserPermission(uid, userId, 17867 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17868 // reader 17869 synchronized (mPackages) { 17870 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17871 } 17872 } 17873 17874 @Override 17875 public void enterSafeMode() { 17876 enforceSystemOrRoot("Only the system can request entering safe mode"); 17877 17878 if (!mSystemReady) { 17879 mSafeMode = true; 17880 } 17881 } 17882 17883 @Override 17884 public void systemReady() { 17885 mSystemReady = true; 17886 17887 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 17888 // disabled after already being started. 17889 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 17890 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 17891 17892 // Read the compatibilty setting when the system is ready. 17893 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17894 mContext.getContentResolver(), 17895 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17896 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17897 if (DEBUG_SETTINGS) { 17898 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17899 } 17900 17901 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17902 17903 synchronized (mPackages) { 17904 // Verify that all of the preferred activity components actually 17905 // exist. It is possible for applications to be updated and at 17906 // that point remove a previously declared activity component that 17907 // had been set as a preferred activity. We try to clean this up 17908 // the next time we encounter that preferred activity, but it is 17909 // possible for the user flow to never be able to return to that 17910 // situation so here we do a sanity check to make sure we haven't 17911 // left any junk around. 17912 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17913 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17914 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17915 removed.clear(); 17916 for (PreferredActivity pa : pir.filterSet()) { 17917 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17918 removed.add(pa); 17919 } 17920 } 17921 if (removed.size() > 0) { 17922 for (int r=0; r<removed.size(); r++) { 17923 PreferredActivity pa = removed.get(r); 17924 Slog.w(TAG, "Removing dangling preferred activity: " 17925 + pa.mPref.mComponent); 17926 pir.removeFilter(pa); 17927 } 17928 mSettings.writePackageRestrictionsLPr( 17929 mSettings.mPreferredActivities.keyAt(i)); 17930 } 17931 } 17932 17933 for (int userId : UserManagerService.getInstance().getUserIds()) { 17934 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17935 grantPermissionsUserIds = ArrayUtils.appendInt( 17936 grantPermissionsUserIds, userId); 17937 } 17938 } 17939 } 17940 sUserManager.systemReady(); 17941 17942 // If we upgraded grant all default permissions before kicking off. 17943 for (int userId : grantPermissionsUserIds) { 17944 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17945 } 17946 17947 // Kick off any messages waiting for system ready 17948 if (mPostSystemReadyMessages != null) { 17949 for (Message msg : mPostSystemReadyMessages) { 17950 msg.sendToTarget(); 17951 } 17952 mPostSystemReadyMessages = null; 17953 } 17954 17955 // Watch for external volumes that come and go over time 17956 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17957 storage.registerListener(mStorageListener); 17958 17959 mInstallerService.systemReady(); 17960 mPackageDexOptimizer.systemReady(); 17961 17962 MountServiceInternal mountServiceInternal = LocalServices.getService( 17963 MountServiceInternal.class); 17964 mountServiceInternal.addExternalStoragePolicy( 17965 new MountServiceInternal.ExternalStorageMountPolicy() { 17966 @Override 17967 public int getMountMode(int uid, String packageName) { 17968 if (Process.isIsolated(uid)) { 17969 return Zygote.MOUNT_EXTERNAL_NONE; 17970 } 17971 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17972 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17973 } 17974 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17975 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17976 } 17977 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17978 return Zygote.MOUNT_EXTERNAL_READ; 17979 } 17980 return Zygote.MOUNT_EXTERNAL_WRITE; 17981 } 17982 17983 @Override 17984 public boolean hasExternalStorage(int uid, String packageName) { 17985 return true; 17986 } 17987 }); 17988 17989 // Now that we're mostly running, clean up stale users and apps 17990 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17991 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17992 } 17993 17994 @Override 17995 public boolean isSafeMode() { 17996 return mSafeMode; 17997 } 17998 17999 @Override 18000 public boolean hasSystemUidErrors() { 18001 return mHasSystemUidErrors; 18002 } 18003 18004 static String arrayToString(int[] array) { 18005 StringBuffer buf = new StringBuffer(128); 18006 buf.append('['); 18007 if (array != null) { 18008 for (int i=0; i<array.length; i++) { 18009 if (i > 0) buf.append(", "); 18010 buf.append(array[i]); 18011 } 18012 } 18013 buf.append(']'); 18014 return buf.toString(); 18015 } 18016 18017 static class DumpState { 18018 public static final int DUMP_LIBS = 1 << 0; 18019 public static final int DUMP_FEATURES = 1 << 1; 18020 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18021 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18022 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18023 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18024 public static final int DUMP_PERMISSIONS = 1 << 6; 18025 public static final int DUMP_PACKAGES = 1 << 7; 18026 public static final int DUMP_SHARED_USERS = 1 << 8; 18027 public static final int DUMP_MESSAGES = 1 << 9; 18028 public static final int DUMP_PROVIDERS = 1 << 10; 18029 public static final int DUMP_VERIFIERS = 1 << 11; 18030 public static final int DUMP_PREFERRED = 1 << 12; 18031 public static final int DUMP_PREFERRED_XML = 1 << 13; 18032 public static final int DUMP_KEYSETS = 1 << 14; 18033 public static final int DUMP_VERSION = 1 << 15; 18034 public static final int DUMP_INSTALLS = 1 << 16; 18035 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18036 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18037 public static final int DUMP_FROZEN = 1 << 19; 18038 public static final int DUMP_DEXOPT = 1 << 20; 18039 public static final int DUMP_COMPILER_STATS = 1 << 21; 18040 18041 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18042 18043 private int mTypes; 18044 18045 private int mOptions; 18046 18047 private boolean mTitlePrinted; 18048 18049 private SharedUserSetting mSharedUser; 18050 18051 public boolean isDumping(int type) { 18052 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18053 return true; 18054 } 18055 18056 return (mTypes & type) != 0; 18057 } 18058 18059 public void setDump(int type) { 18060 mTypes |= type; 18061 } 18062 18063 public boolean isOptionEnabled(int option) { 18064 return (mOptions & option) != 0; 18065 } 18066 18067 public void setOptionEnabled(int option) { 18068 mOptions |= option; 18069 } 18070 18071 public boolean onTitlePrinted() { 18072 final boolean printed = mTitlePrinted; 18073 mTitlePrinted = true; 18074 return printed; 18075 } 18076 18077 public boolean getTitlePrinted() { 18078 return mTitlePrinted; 18079 } 18080 18081 public void setTitlePrinted(boolean enabled) { 18082 mTitlePrinted = enabled; 18083 } 18084 18085 public SharedUserSetting getSharedUser() { 18086 return mSharedUser; 18087 } 18088 18089 public void setSharedUser(SharedUserSetting user) { 18090 mSharedUser = user; 18091 } 18092 } 18093 18094 @Override 18095 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18096 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18097 (new PackageManagerShellCommand(this)).exec( 18098 this, in, out, err, args, resultReceiver); 18099 } 18100 18101 @Override 18102 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18103 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18104 != PackageManager.PERMISSION_GRANTED) { 18105 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18106 + Binder.getCallingPid() 18107 + ", uid=" + Binder.getCallingUid() 18108 + " without permission " 18109 + android.Manifest.permission.DUMP); 18110 return; 18111 } 18112 18113 DumpState dumpState = new DumpState(); 18114 boolean fullPreferred = false; 18115 boolean checkin = false; 18116 18117 String packageName = null; 18118 ArraySet<String> permissionNames = null; 18119 18120 int opti = 0; 18121 while (opti < args.length) { 18122 String opt = args[opti]; 18123 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18124 break; 18125 } 18126 opti++; 18127 18128 if ("-a".equals(opt)) { 18129 // Right now we only know how to print all. 18130 } else if ("-h".equals(opt)) { 18131 pw.println("Package manager dump options:"); 18132 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18133 pw.println(" --checkin: dump for a checkin"); 18134 pw.println(" -f: print details of intent filters"); 18135 pw.println(" -h: print this help"); 18136 pw.println(" cmd may be one of:"); 18137 pw.println(" l[ibraries]: list known shared libraries"); 18138 pw.println(" f[eatures]: list device features"); 18139 pw.println(" k[eysets]: print known keysets"); 18140 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18141 pw.println(" perm[issions]: dump permissions"); 18142 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18143 pw.println(" pref[erred]: print preferred package settings"); 18144 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18145 pw.println(" prov[iders]: dump content providers"); 18146 pw.println(" p[ackages]: dump installed packages"); 18147 pw.println(" s[hared-users]: dump shared user IDs"); 18148 pw.println(" m[essages]: print collected runtime messages"); 18149 pw.println(" v[erifiers]: print package verifier info"); 18150 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18151 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18152 pw.println(" version: print database version info"); 18153 pw.println(" write: write current settings now"); 18154 pw.println(" installs: details about install sessions"); 18155 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18156 pw.println(" dexopt: dump dexopt state"); 18157 pw.println(" compiler-stats: dump compiler statistics"); 18158 pw.println(" <package.name>: info about given package"); 18159 return; 18160 } else if ("--checkin".equals(opt)) { 18161 checkin = true; 18162 } else if ("-f".equals(opt)) { 18163 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18164 } else { 18165 pw.println("Unknown argument: " + opt + "; use -h for help"); 18166 } 18167 } 18168 18169 // Is the caller requesting to dump a particular piece of data? 18170 if (opti < args.length) { 18171 String cmd = args[opti]; 18172 opti++; 18173 // Is this a package name? 18174 if ("android".equals(cmd) || cmd.contains(".")) { 18175 packageName = cmd; 18176 // When dumping a single package, we always dump all of its 18177 // filter information since the amount of data will be reasonable. 18178 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18179 } else if ("check-permission".equals(cmd)) { 18180 if (opti >= args.length) { 18181 pw.println("Error: check-permission missing permission argument"); 18182 return; 18183 } 18184 String perm = args[opti]; 18185 opti++; 18186 if (opti >= args.length) { 18187 pw.println("Error: check-permission missing package argument"); 18188 return; 18189 } 18190 String pkg = args[opti]; 18191 opti++; 18192 int user = UserHandle.getUserId(Binder.getCallingUid()); 18193 if (opti < args.length) { 18194 try { 18195 user = Integer.parseInt(args[opti]); 18196 } catch (NumberFormatException e) { 18197 pw.println("Error: check-permission user argument is not a number: " 18198 + args[opti]); 18199 return; 18200 } 18201 } 18202 pw.println(checkPermission(perm, pkg, user)); 18203 return; 18204 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18205 dumpState.setDump(DumpState.DUMP_LIBS); 18206 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18207 dumpState.setDump(DumpState.DUMP_FEATURES); 18208 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18209 if (opti >= args.length) { 18210 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18211 | DumpState.DUMP_SERVICE_RESOLVERS 18212 | DumpState.DUMP_RECEIVER_RESOLVERS 18213 | DumpState.DUMP_CONTENT_RESOLVERS); 18214 } else { 18215 while (opti < args.length) { 18216 String name = args[opti]; 18217 if ("a".equals(name) || "activity".equals(name)) { 18218 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18219 } else if ("s".equals(name) || "service".equals(name)) { 18220 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18221 } else if ("r".equals(name) || "receiver".equals(name)) { 18222 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18223 } else if ("c".equals(name) || "content".equals(name)) { 18224 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18225 } else { 18226 pw.println("Error: unknown resolver table type: " + name); 18227 return; 18228 } 18229 opti++; 18230 } 18231 } 18232 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18233 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18234 } else if ("permission".equals(cmd)) { 18235 if (opti >= args.length) { 18236 pw.println("Error: permission requires permission name"); 18237 return; 18238 } 18239 permissionNames = new ArraySet<>(); 18240 while (opti < args.length) { 18241 permissionNames.add(args[opti]); 18242 opti++; 18243 } 18244 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18245 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18246 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18247 dumpState.setDump(DumpState.DUMP_PREFERRED); 18248 } else if ("preferred-xml".equals(cmd)) { 18249 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18250 if (opti < args.length && "--full".equals(args[opti])) { 18251 fullPreferred = true; 18252 opti++; 18253 } 18254 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18255 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18256 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18257 dumpState.setDump(DumpState.DUMP_PACKAGES); 18258 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18259 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18260 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18261 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18262 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18263 dumpState.setDump(DumpState.DUMP_MESSAGES); 18264 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18265 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18266 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18267 || "intent-filter-verifiers".equals(cmd)) { 18268 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18269 } else if ("version".equals(cmd)) { 18270 dumpState.setDump(DumpState.DUMP_VERSION); 18271 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18272 dumpState.setDump(DumpState.DUMP_KEYSETS); 18273 } else if ("installs".equals(cmd)) { 18274 dumpState.setDump(DumpState.DUMP_INSTALLS); 18275 } else if ("frozen".equals(cmd)) { 18276 dumpState.setDump(DumpState.DUMP_FROZEN); 18277 } else if ("dexopt".equals(cmd)) { 18278 dumpState.setDump(DumpState.DUMP_DEXOPT); 18279 } else if ("compiler-stats".equals(cmd)) { 18280 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18281 } else if ("write".equals(cmd)) { 18282 synchronized (mPackages) { 18283 mSettings.writeLPr(); 18284 pw.println("Settings written."); 18285 return; 18286 } 18287 } 18288 } 18289 18290 if (checkin) { 18291 pw.println("vers,1"); 18292 } 18293 18294 // reader 18295 synchronized (mPackages) { 18296 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18297 if (!checkin) { 18298 if (dumpState.onTitlePrinted()) 18299 pw.println(); 18300 pw.println("Database versions:"); 18301 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18302 } 18303 } 18304 18305 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18306 if (!checkin) { 18307 if (dumpState.onTitlePrinted()) 18308 pw.println(); 18309 pw.println("Verifiers:"); 18310 pw.print(" Required: "); 18311 pw.print(mRequiredVerifierPackage); 18312 pw.print(" (uid="); 18313 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18314 UserHandle.USER_SYSTEM)); 18315 pw.println(")"); 18316 } else if (mRequiredVerifierPackage != null) { 18317 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18318 pw.print(","); 18319 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18320 UserHandle.USER_SYSTEM)); 18321 } 18322 } 18323 18324 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18325 packageName == null) { 18326 if (mIntentFilterVerifierComponent != null) { 18327 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18328 if (!checkin) { 18329 if (dumpState.onTitlePrinted()) 18330 pw.println(); 18331 pw.println("Intent Filter Verifier:"); 18332 pw.print(" Using: "); 18333 pw.print(verifierPackageName); 18334 pw.print(" (uid="); 18335 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18336 UserHandle.USER_SYSTEM)); 18337 pw.println(")"); 18338 } else if (verifierPackageName != null) { 18339 pw.print("ifv,"); pw.print(verifierPackageName); 18340 pw.print(","); 18341 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18342 UserHandle.USER_SYSTEM)); 18343 } 18344 } else { 18345 pw.println(); 18346 pw.println("No Intent Filter Verifier available!"); 18347 } 18348 } 18349 18350 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18351 boolean printedHeader = false; 18352 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18353 while (it.hasNext()) { 18354 String name = it.next(); 18355 SharedLibraryEntry ent = mSharedLibraries.get(name); 18356 if (!checkin) { 18357 if (!printedHeader) { 18358 if (dumpState.onTitlePrinted()) 18359 pw.println(); 18360 pw.println("Libraries:"); 18361 printedHeader = true; 18362 } 18363 pw.print(" "); 18364 } else { 18365 pw.print("lib,"); 18366 } 18367 pw.print(name); 18368 if (!checkin) { 18369 pw.print(" -> "); 18370 } 18371 if (ent.path != null) { 18372 if (!checkin) { 18373 pw.print("(jar) "); 18374 pw.print(ent.path); 18375 } else { 18376 pw.print(",jar,"); 18377 pw.print(ent.path); 18378 } 18379 } else { 18380 if (!checkin) { 18381 pw.print("(apk) "); 18382 pw.print(ent.apk); 18383 } else { 18384 pw.print(",apk,"); 18385 pw.print(ent.apk); 18386 } 18387 } 18388 pw.println(); 18389 } 18390 } 18391 18392 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18393 if (dumpState.onTitlePrinted()) 18394 pw.println(); 18395 if (!checkin) { 18396 pw.println("Features:"); 18397 } 18398 18399 for (FeatureInfo feat : mAvailableFeatures.values()) { 18400 if (checkin) { 18401 pw.print("feat,"); 18402 pw.print(feat.name); 18403 pw.print(","); 18404 pw.println(feat.version); 18405 } else { 18406 pw.print(" "); 18407 pw.print(feat.name); 18408 if (feat.version > 0) { 18409 pw.print(" version="); 18410 pw.print(feat.version); 18411 } 18412 pw.println(); 18413 } 18414 } 18415 } 18416 18417 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18418 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18419 : "Activity Resolver Table:", " ", packageName, 18420 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18421 dumpState.setTitlePrinted(true); 18422 } 18423 } 18424 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18425 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18426 : "Receiver Resolver Table:", " ", packageName, 18427 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18428 dumpState.setTitlePrinted(true); 18429 } 18430 } 18431 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18432 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18433 : "Service Resolver Table:", " ", packageName, 18434 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18435 dumpState.setTitlePrinted(true); 18436 } 18437 } 18438 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18439 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18440 : "Provider Resolver Table:", " ", packageName, 18441 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18442 dumpState.setTitlePrinted(true); 18443 } 18444 } 18445 18446 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18447 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18448 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18449 int user = mSettings.mPreferredActivities.keyAt(i); 18450 if (pir.dump(pw, 18451 dumpState.getTitlePrinted() 18452 ? "\nPreferred Activities User " + user + ":" 18453 : "Preferred Activities User " + user + ":", " ", 18454 packageName, true, false)) { 18455 dumpState.setTitlePrinted(true); 18456 } 18457 } 18458 } 18459 18460 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18461 pw.flush(); 18462 FileOutputStream fout = new FileOutputStream(fd); 18463 BufferedOutputStream str = new BufferedOutputStream(fout); 18464 XmlSerializer serializer = new FastXmlSerializer(); 18465 try { 18466 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18467 serializer.startDocument(null, true); 18468 serializer.setFeature( 18469 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18470 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18471 serializer.endDocument(); 18472 serializer.flush(); 18473 } catch (IllegalArgumentException e) { 18474 pw.println("Failed writing: " + e); 18475 } catch (IllegalStateException e) { 18476 pw.println("Failed writing: " + e); 18477 } catch (IOException e) { 18478 pw.println("Failed writing: " + e); 18479 } 18480 } 18481 18482 if (!checkin 18483 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18484 && packageName == null) { 18485 pw.println(); 18486 int count = mSettings.mPackages.size(); 18487 if (count == 0) { 18488 pw.println("No applications!"); 18489 pw.println(); 18490 } else { 18491 final String prefix = " "; 18492 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18493 if (allPackageSettings.size() == 0) { 18494 pw.println("No domain preferred apps!"); 18495 pw.println(); 18496 } else { 18497 pw.println("App verification status:"); 18498 pw.println(); 18499 count = 0; 18500 for (PackageSetting ps : allPackageSettings) { 18501 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18502 if (ivi == null || ivi.getPackageName() == null) continue; 18503 pw.println(prefix + "Package: " + ivi.getPackageName()); 18504 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18505 pw.println(prefix + "Status: " + ivi.getStatusString()); 18506 pw.println(); 18507 count++; 18508 } 18509 if (count == 0) { 18510 pw.println(prefix + "No app verification established."); 18511 pw.println(); 18512 } 18513 for (int userId : sUserManager.getUserIds()) { 18514 pw.println("App linkages for user " + userId + ":"); 18515 pw.println(); 18516 count = 0; 18517 for (PackageSetting ps : allPackageSettings) { 18518 final long status = ps.getDomainVerificationStatusForUser(userId); 18519 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18520 continue; 18521 } 18522 pw.println(prefix + "Package: " + ps.name); 18523 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18524 String statusStr = IntentFilterVerificationInfo. 18525 getStatusStringFromValue(status); 18526 pw.println(prefix + "Status: " + statusStr); 18527 pw.println(); 18528 count++; 18529 } 18530 if (count == 0) { 18531 pw.println(prefix + "No configured app linkages."); 18532 pw.println(); 18533 } 18534 } 18535 } 18536 } 18537 } 18538 18539 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18540 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18541 if (packageName == null && permissionNames == null) { 18542 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18543 if (iperm == 0) { 18544 if (dumpState.onTitlePrinted()) 18545 pw.println(); 18546 pw.println("AppOp Permissions:"); 18547 } 18548 pw.print(" AppOp Permission "); 18549 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18550 pw.println(":"); 18551 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18552 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18553 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18554 } 18555 } 18556 } 18557 } 18558 18559 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18560 boolean printedSomething = false; 18561 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18562 if (packageName != null && !packageName.equals(p.info.packageName)) { 18563 continue; 18564 } 18565 if (!printedSomething) { 18566 if (dumpState.onTitlePrinted()) 18567 pw.println(); 18568 pw.println("Registered ContentProviders:"); 18569 printedSomething = true; 18570 } 18571 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18572 pw.print(" "); pw.println(p.toString()); 18573 } 18574 printedSomething = false; 18575 for (Map.Entry<String, PackageParser.Provider> entry : 18576 mProvidersByAuthority.entrySet()) { 18577 PackageParser.Provider p = entry.getValue(); 18578 if (packageName != null && !packageName.equals(p.info.packageName)) { 18579 continue; 18580 } 18581 if (!printedSomething) { 18582 if (dumpState.onTitlePrinted()) 18583 pw.println(); 18584 pw.println("ContentProvider Authorities:"); 18585 printedSomething = true; 18586 } 18587 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18588 pw.print(" "); pw.println(p.toString()); 18589 if (p.info != null && p.info.applicationInfo != null) { 18590 final String appInfo = p.info.applicationInfo.toString(); 18591 pw.print(" applicationInfo="); pw.println(appInfo); 18592 } 18593 } 18594 } 18595 18596 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18597 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18598 } 18599 18600 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18601 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18602 } 18603 18604 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18605 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18606 } 18607 18608 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18609 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18610 } 18611 18612 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18613 // XXX should handle packageName != null by dumping only install data that 18614 // the given package is involved with. 18615 if (dumpState.onTitlePrinted()) pw.println(); 18616 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18617 } 18618 18619 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18620 // XXX should handle packageName != null by dumping only install data that 18621 // the given package is involved with. 18622 if (dumpState.onTitlePrinted()) pw.println(); 18623 18624 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18625 ipw.println(); 18626 ipw.println("Frozen packages:"); 18627 ipw.increaseIndent(); 18628 if (mFrozenPackages.size() == 0) { 18629 ipw.println("(none)"); 18630 } else { 18631 for (int i = 0; i < mFrozenPackages.size(); i++) { 18632 ipw.println(mFrozenPackages.valueAt(i)); 18633 } 18634 } 18635 ipw.decreaseIndent(); 18636 } 18637 18638 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18639 if (dumpState.onTitlePrinted()) pw.println(); 18640 dumpDexoptStateLPr(pw, packageName); 18641 } 18642 18643 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18644 if (dumpState.onTitlePrinted()) pw.println(); 18645 dumpCompilerStatsLPr(pw, packageName); 18646 } 18647 18648 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18649 if (dumpState.onTitlePrinted()) pw.println(); 18650 mSettings.dumpReadMessagesLPr(pw, dumpState); 18651 18652 pw.println(); 18653 pw.println("Package warning messages:"); 18654 BufferedReader in = null; 18655 String line = null; 18656 try { 18657 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18658 while ((line = in.readLine()) != null) { 18659 if (line.contains("ignored: updated version")) continue; 18660 pw.println(line); 18661 } 18662 } catch (IOException ignored) { 18663 } finally { 18664 IoUtils.closeQuietly(in); 18665 } 18666 } 18667 18668 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18669 BufferedReader in = null; 18670 String line = null; 18671 try { 18672 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18673 while ((line = in.readLine()) != null) { 18674 if (line.contains("ignored: updated version")) continue; 18675 pw.print("msg,"); 18676 pw.println(line); 18677 } 18678 } catch (IOException ignored) { 18679 } finally { 18680 IoUtils.closeQuietly(in); 18681 } 18682 } 18683 } 18684 } 18685 18686 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18687 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18688 ipw.println(); 18689 ipw.println("Dexopt state:"); 18690 ipw.increaseIndent(); 18691 Collection<PackageParser.Package> packages = null; 18692 if (packageName != null) { 18693 PackageParser.Package targetPackage = mPackages.get(packageName); 18694 if (targetPackage != null) { 18695 packages = Collections.singletonList(targetPackage); 18696 } else { 18697 ipw.println("Unable to find package: " + packageName); 18698 return; 18699 } 18700 } else { 18701 packages = mPackages.values(); 18702 } 18703 18704 for (PackageParser.Package pkg : packages) { 18705 ipw.println("[" + pkg.packageName + "]"); 18706 ipw.increaseIndent(); 18707 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18708 ipw.decreaseIndent(); 18709 } 18710 } 18711 18712 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18713 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18714 ipw.println(); 18715 ipw.println("Compiler stats:"); 18716 ipw.increaseIndent(); 18717 Collection<PackageParser.Package> packages = null; 18718 if (packageName != null) { 18719 PackageParser.Package targetPackage = mPackages.get(packageName); 18720 if (targetPackage != null) { 18721 packages = Collections.singletonList(targetPackage); 18722 } else { 18723 ipw.println("Unable to find package: " + packageName); 18724 return; 18725 } 18726 } else { 18727 packages = mPackages.values(); 18728 } 18729 18730 for (PackageParser.Package pkg : packages) { 18731 ipw.println("[" + pkg.packageName + "]"); 18732 ipw.increaseIndent(); 18733 18734 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18735 if (stats == null) { 18736 ipw.println("(No recorded stats)"); 18737 } else { 18738 stats.dump(ipw); 18739 } 18740 ipw.decreaseIndent(); 18741 } 18742 } 18743 18744 private String dumpDomainString(String packageName) { 18745 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18746 .getList(); 18747 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18748 18749 ArraySet<String> result = new ArraySet<>(); 18750 if (iviList.size() > 0) { 18751 for (IntentFilterVerificationInfo ivi : iviList) { 18752 for (String host : ivi.getDomains()) { 18753 result.add(host); 18754 } 18755 } 18756 } 18757 if (filters != null && filters.size() > 0) { 18758 for (IntentFilter filter : filters) { 18759 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18760 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18761 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18762 result.addAll(filter.getHostsList()); 18763 } 18764 } 18765 } 18766 18767 StringBuilder sb = new StringBuilder(result.size() * 16); 18768 for (String domain : result) { 18769 if (sb.length() > 0) sb.append(" "); 18770 sb.append(domain); 18771 } 18772 return sb.toString(); 18773 } 18774 18775 // ------- apps on sdcard specific code ------- 18776 static final boolean DEBUG_SD_INSTALL = false; 18777 18778 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18779 18780 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18781 18782 private boolean mMediaMounted = false; 18783 18784 static String getEncryptKey() { 18785 try { 18786 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18787 SD_ENCRYPTION_KEYSTORE_NAME); 18788 if (sdEncKey == null) { 18789 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18790 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18791 if (sdEncKey == null) { 18792 Slog.e(TAG, "Failed to create encryption keys"); 18793 return null; 18794 } 18795 } 18796 return sdEncKey; 18797 } catch (NoSuchAlgorithmException nsae) { 18798 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18799 return null; 18800 } catch (IOException ioe) { 18801 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18802 return null; 18803 } 18804 } 18805 18806 /* 18807 * Update media status on PackageManager. 18808 */ 18809 @Override 18810 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18811 int callingUid = Binder.getCallingUid(); 18812 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18813 throw new SecurityException("Media status can only be updated by the system"); 18814 } 18815 // reader; this apparently protects mMediaMounted, but should probably 18816 // be a different lock in that case. 18817 synchronized (mPackages) { 18818 Log.i(TAG, "Updating external media status from " 18819 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18820 + (mediaStatus ? "mounted" : "unmounted")); 18821 if (DEBUG_SD_INSTALL) 18822 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18823 + ", mMediaMounted=" + mMediaMounted); 18824 if (mediaStatus == mMediaMounted) { 18825 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18826 : 0, -1); 18827 mHandler.sendMessage(msg); 18828 return; 18829 } 18830 mMediaMounted = mediaStatus; 18831 } 18832 // Queue up an async operation since the package installation may take a 18833 // little while. 18834 mHandler.post(new Runnable() { 18835 public void run() { 18836 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18837 } 18838 }); 18839 } 18840 18841 /** 18842 * Called by MountService when the initial ASECs to scan are available. 18843 * Should block until all the ASEC containers are finished being scanned. 18844 */ 18845 public void scanAvailableAsecs() { 18846 updateExternalMediaStatusInner(true, false, false); 18847 } 18848 18849 /* 18850 * Collect information of applications on external media, map them against 18851 * existing containers and update information based on current mount status. 18852 * Please note that we always have to report status if reportStatus has been 18853 * set to true especially when unloading packages. 18854 */ 18855 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18856 boolean externalStorage) { 18857 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18858 int[] uidArr = EmptyArray.INT; 18859 18860 final String[] list = PackageHelper.getSecureContainerList(); 18861 if (ArrayUtils.isEmpty(list)) { 18862 Log.i(TAG, "No secure containers found"); 18863 } else { 18864 // Process list of secure containers and categorize them 18865 // as active or stale based on their package internal state. 18866 18867 // reader 18868 synchronized (mPackages) { 18869 for (String cid : list) { 18870 // Leave stages untouched for now; installer service owns them 18871 if (PackageInstallerService.isStageName(cid)) continue; 18872 18873 if (DEBUG_SD_INSTALL) 18874 Log.i(TAG, "Processing container " + cid); 18875 String pkgName = getAsecPackageName(cid); 18876 if (pkgName == null) { 18877 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18878 continue; 18879 } 18880 if (DEBUG_SD_INSTALL) 18881 Log.i(TAG, "Looking for pkg : " + pkgName); 18882 18883 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18884 if (ps == null) { 18885 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18886 continue; 18887 } 18888 18889 /* 18890 * Skip packages that are not external if we're unmounting 18891 * external storage. 18892 */ 18893 if (externalStorage && !isMounted && !isExternal(ps)) { 18894 continue; 18895 } 18896 18897 final AsecInstallArgs args = new AsecInstallArgs(cid, 18898 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18899 // The package status is changed only if the code path 18900 // matches between settings and the container id. 18901 if (ps.codePathString != null 18902 && ps.codePathString.startsWith(args.getCodePath())) { 18903 if (DEBUG_SD_INSTALL) { 18904 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18905 + " at code path: " + ps.codePathString); 18906 } 18907 18908 // We do have a valid package installed on sdcard 18909 processCids.put(args, ps.codePathString); 18910 final int uid = ps.appId; 18911 if (uid != -1) { 18912 uidArr = ArrayUtils.appendInt(uidArr, uid); 18913 } 18914 } else { 18915 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18916 + ps.codePathString); 18917 } 18918 } 18919 } 18920 18921 Arrays.sort(uidArr); 18922 } 18923 18924 // Process packages with valid entries. 18925 if (isMounted) { 18926 if (DEBUG_SD_INSTALL) 18927 Log.i(TAG, "Loading packages"); 18928 loadMediaPackages(processCids, uidArr, externalStorage); 18929 startCleaningPackages(); 18930 mInstallerService.onSecureContainersAvailable(); 18931 } else { 18932 if (DEBUG_SD_INSTALL) 18933 Log.i(TAG, "Unloading packages"); 18934 unloadMediaPackages(processCids, uidArr, reportStatus); 18935 } 18936 } 18937 18938 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18939 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18940 final int size = infos.size(); 18941 final String[] packageNames = new String[size]; 18942 final int[] packageUids = new int[size]; 18943 for (int i = 0; i < size; i++) { 18944 final ApplicationInfo info = infos.get(i); 18945 packageNames[i] = info.packageName; 18946 packageUids[i] = info.uid; 18947 } 18948 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18949 finishedReceiver); 18950 } 18951 18952 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18953 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18954 sendResourcesChangedBroadcast(mediaStatus, replacing, 18955 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18956 } 18957 18958 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18959 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18960 int size = pkgList.length; 18961 if (size > 0) { 18962 // Send broadcasts here 18963 Bundle extras = new Bundle(); 18964 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18965 if (uidArr != null) { 18966 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18967 } 18968 if (replacing) { 18969 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18970 } 18971 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18972 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18973 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18974 } 18975 } 18976 18977 /* 18978 * Look at potentially valid container ids from processCids If package 18979 * information doesn't match the one on record or package scanning fails, 18980 * the cid is added to list of removeCids. We currently don't delete stale 18981 * containers. 18982 */ 18983 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18984 boolean externalStorage) { 18985 ArrayList<String> pkgList = new ArrayList<String>(); 18986 Set<AsecInstallArgs> keys = processCids.keySet(); 18987 18988 for (AsecInstallArgs args : keys) { 18989 String codePath = processCids.get(args); 18990 if (DEBUG_SD_INSTALL) 18991 Log.i(TAG, "Loading container : " + args.cid); 18992 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18993 try { 18994 // Make sure there are no container errors first. 18995 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18996 Slog.e(TAG, "Failed to mount cid : " + args.cid 18997 + " when installing from sdcard"); 18998 continue; 18999 } 19000 // Check code path here. 19001 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19002 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19003 + " does not match one in settings " + codePath); 19004 continue; 19005 } 19006 // Parse package 19007 int parseFlags = mDefParseFlags; 19008 if (args.isExternalAsec()) { 19009 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19010 } 19011 if (args.isFwdLocked()) { 19012 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19013 } 19014 19015 synchronized (mInstallLock) { 19016 PackageParser.Package pkg = null; 19017 try { 19018 // Sadly we don't know the package name yet to freeze it 19019 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19020 SCAN_IGNORE_FROZEN, 0, null); 19021 } catch (PackageManagerException e) { 19022 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19023 } 19024 // Scan the package 19025 if (pkg != null) { 19026 /* 19027 * TODO why is the lock being held? doPostInstall is 19028 * called in other places without the lock. This needs 19029 * to be straightened out. 19030 */ 19031 // writer 19032 synchronized (mPackages) { 19033 retCode = PackageManager.INSTALL_SUCCEEDED; 19034 pkgList.add(pkg.packageName); 19035 // Post process args 19036 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19037 pkg.applicationInfo.uid); 19038 } 19039 } else { 19040 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19041 } 19042 } 19043 19044 } finally { 19045 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19046 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19047 } 19048 } 19049 } 19050 // writer 19051 synchronized (mPackages) { 19052 // If the platform SDK has changed since the last time we booted, 19053 // we need to re-grant app permission to catch any new ones that 19054 // appear. This is really a hack, and means that apps can in some 19055 // cases get permissions that the user didn't initially explicitly 19056 // allow... it would be nice to have some better way to handle 19057 // this situation. 19058 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19059 : mSettings.getInternalVersion(); 19060 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19061 : StorageManager.UUID_PRIVATE_INTERNAL; 19062 19063 int updateFlags = UPDATE_PERMISSIONS_ALL; 19064 if (ver.sdkVersion != mSdkVersion) { 19065 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19066 + mSdkVersion + "; regranting permissions for external"); 19067 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19068 } 19069 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19070 19071 // Yay, everything is now upgraded 19072 ver.forceCurrent(); 19073 19074 // can downgrade to reader 19075 // Persist settings 19076 mSettings.writeLPr(); 19077 } 19078 // Send a broadcast to let everyone know we are done processing 19079 if (pkgList.size() > 0) { 19080 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19081 } 19082 } 19083 19084 /* 19085 * Utility method to unload a list of specified containers 19086 */ 19087 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19088 // Just unmount all valid containers. 19089 for (AsecInstallArgs arg : cidArgs) { 19090 synchronized (mInstallLock) { 19091 arg.doPostDeleteLI(false); 19092 } 19093 } 19094 } 19095 19096 /* 19097 * Unload packages mounted on external media. This involves deleting package 19098 * data from internal structures, sending broadcasts about disabled packages, 19099 * gc'ing to free up references, unmounting all secure containers 19100 * corresponding to packages on external media, and posting a 19101 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19102 * that we always have to post this message if status has been requested no 19103 * matter what. 19104 */ 19105 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19106 final boolean reportStatus) { 19107 if (DEBUG_SD_INSTALL) 19108 Log.i(TAG, "unloading media packages"); 19109 ArrayList<String> pkgList = new ArrayList<String>(); 19110 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19111 final Set<AsecInstallArgs> keys = processCids.keySet(); 19112 for (AsecInstallArgs args : keys) { 19113 String pkgName = args.getPackageName(); 19114 if (DEBUG_SD_INSTALL) 19115 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19116 // Delete package internally 19117 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19118 synchronized (mInstallLock) { 19119 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19120 final boolean res; 19121 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19122 "unloadMediaPackages")) { 19123 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19124 null); 19125 } 19126 if (res) { 19127 pkgList.add(pkgName); 19128 } else { 19129 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19130 failedList.add(args); 19131 } 19132 } 19133 } 19134 19135 // reader 19136 synchronized (mPackages) { 19137 // We didn't update the settings after removing each package; 19138 // write them now for all packages. 19139 mSettings.writeLPr(); 19140 } 19141 19142 // We have to absolutely send UPDATED_MEDIA_STATUS only 19143 // after confirming that all the receivers processed the ordered 19144 // broadcast when packages get disabled, force a gc to clean things up. 19145 // and unload all the containers. 19146 if (pkgList.size() > 0) { 19147 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19148 new IIntentReceiver.Stub() { 19149 public void performReceive(Intent intent, int resultCode, String data, 19150 Bundle extras, boolean ordered, boolean sticky, 19151 int sendingUser) throws RemoteException { 19152 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19153 reportStatus ? 1 : 0, 1, keys); 19154 mHandler.sendMessage(msg); 19155 } 19156 }); 19157 } else { 19158 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19159 keys); 19160 mHandler.sendMessage(msg); 19161 } 19162 } 19163 19164 private void loadPrivatePackages(final VolumeInfo vol) { 19165 mHandler.post(new Runnable() { 19166 @Override 19167 public void run() { 19168 loadPrivatePackagesInner(vol); 19169 } 19170 }); 19171 } 19172 19173 private void loadPrivatePackagesInner(VolumeInfo vol) { 19174 final String volumeUuid = vol.fsUuid; 19175 if (TextUtils.isEmpty(volumeUuid)) { 19176 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19177 return; 19178 } 19179 19180 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19181 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19182 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19183 19184 final VersionInfo ver; 19185 final List<PackageSetting> packages; 19186 synchronized (mPackages) { 19187 ver = mSettings.findOrCreateVersion(volumeUuid); 19188 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19189 } 19190 19191 for (PackageSetting ps : packages) { 19192 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19193 synchronized (mInstallLock) { 19194 final PackageParser.Package pkg; 19195 try { 19196 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19197 loaded.add(pkg.applicationInfo); 19198 19199 } catch (PackageManagerException e) { 19200 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19201 } 19202 19203 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19204 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19205 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19206 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19207 } 19208 } 19209 } 19210 19211 // Reconcile app data for all started/unlocked users 19212 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19213 final UserManager um = mContext.getSystemService(UserManager.class); 19214 UserManagerInternal umInternal = getUserManagerInternal(); 19215 for (UserInfo user : um.getUsers()) { 19216 final int flags; 19217 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19218 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19219 } else if (umInternal.isUserRunning(user.id)) { 19220 flags = StorageManager.FLAG_STORAGE_DE; 19221 } else { 19222 continue; 19223 } 19224 19225 try { 19226 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19227 synchronized (mInstallLock) { 19228 reconcileAppsDataLI(volumeUuid, user.id, flags); 19229 } 19230 } catch (IllegalStateException e) { 19231 // Device was probably ejected, and we'll process that event momentarily 19232 Slog.w(TAG, "Failed to prepare storage: " + e); 19233 } 19234 } 19235 19236 synchronized (mPackages) { 19237 int updateFlags = UPDATE_PERMISSIONS_ALL; 19238 if (ver.sdkVersion != mSdkVersion) { 19239 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19240 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19241 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19242 } 19243 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19244 19245 // Yay, everything is now upgraded 19246 ver.forceCurrent(); 19247 19248 mSettings.writeLPr(); 19249 } 19250 19251 for (PackageFreezer freezer : freezers) { 19252 freezer.close(); 19253 } 19254 19255 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19256 sendResourcesChangedBroadcast(true, false, loaded, null); 19257 } 19258 19259 private void unloadPrivatePackages(final VolumeInfo vol) { 19260 mHandler.post(new Runnable() { 19261 @Override 19262 public void run() { 19263 unloadPrivatePackagesInner(vol); 19264 } 19265 }); 19266 } 19267 19268 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19269 final String volumeUuid = vol.fsUuid; 19270 if (TextUtils.isEmpty(volumeUuid)) { 19271 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19272 return; 19273 } 19274 19275 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19276 synchronized (mInstallLock) { 19277 synchronized (mPackages) { 19278 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19279 for (PackageSetting ps : packages) { 19280 if (ps.pkg == null) continue; 19281 19282 final ApplicationInfo info = ps.pkg.applicationInfo; 19283 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19284 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19285 19286 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19287 "unloadPrivatePackagesInner")) { 19288 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19289 false, null)) { 19290 unloaded.add(info); 19291 } else { 19292 Slog.w(TAG, "Failed to unload " + ps.codePath); 19293 } 19294 } 19295 19296 // Try very hard to release any references to this package 19297 // so we don't risk the system server being killed due to 19298 // open FDs 19299 AttributeCache.instance().removePackage(ps.name); 19300 } 19301 19302 mSettings.writeLPr(); 19303 } 19304 } 19305 19306 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19307 sendResourcesChangedBroadcast(false, false, unloaded, null); 19308 19309 // Try very hard to release any references to this path so we don't risk 19310 // the system server being killed due to open FDs 19311 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19312 19313 for (int i = 0; i < 3; i++) { 19314 System.gc(); 19315 System.runFinalization(); 19316 } 19317 } 19318 19319 /** 19320 * Prepare storage areas for given user on all mounted devices. 19321 */ 19322 void prepareUserData(int userId, int userSerial, int flags) { 19323 synchronized (mInstallLock) { 19324 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19325 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19326 final String volumeUuid = vol.getFsUuid(); 19327 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19328 } 19329 } 19330 } 19331 19332 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19333 boolean allowRecover) { 19334 // Prepare storage and verify that serial numbers are consistent; if 19335 // there's a mismatch we need to destroy to avoid leaking data 19336 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19337 try { 19338 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19339 19340 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19341 UserManagerService.enforceSerialNumber( 19342 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19343 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19344 UserManagerService.enforceSerialNumber( 19345 Environment.getDataSystemDeDirectory(userId), userSerial); 19346 } 19347 } 19348 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19349 UserManagerService.enforceSerialNumber( 19350 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19351 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19352 UserManagerService.enforceSerialNumber( 19353 Environment.getDataSystemCeDirectory(userId), userSerial); 19354 } 19355 } 19356 19357 synchronized (mInstallLock) { 19358 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19359 } 19360 } catch (Exception e) { 19361 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19362 + " because we failed to prepare: " + e); 19363 destroyUserDataLI(volumeUuid, userId, 19364 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19365 19366 if (allowRecover) { 19367 // Try one last time; if we fail again we're really in trouble 19368 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19369 } 19370 } 19371 } 19372 19373 /** 19374 * Destroy storage areas for given user on all mounted devices. 19375 */ 19376 void destroyUserData(int userId, int flags) { 19377 synchronized (mInstallLock) { 19378 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19379 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19380 final String volumeUuid = vol.getFsUuid(); 19381 destroyUserDataLI(volumeUuid, userId, flags); 19382 } 19383 } 19384 } 19385 19386 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19387 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19388 try { 19389 // Clean up app data, profile data, and media data 19390 mInstaller.destroyUserData(volumeUuid, userId, flags); 19391 19392 // Clean up system data 19393 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19394 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19395 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19396 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19397 } 19398 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19399 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19400 } 19401 } 19402 19403 // Data with special labels is now gone, so finish the job 19404 storage.destroyUserStorage(volumeUuid, userId, flags); 19405 19406 } catch (Exception e) { 19407 logCriticalInfo(Log.WARN, 19408 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19409 } 19410 } 19411 19412 /** 19413 * Examine all users present on given mounted volume, and destroy data 19414 * belonging to users that are no longer valid, or whose user ID has been 19415 * recycled. 19416 */ 19417 private void reconcileUsers(String volumeUuid) { 19418 final List<File> files = new ArrayList<>(); 19419 Collections.addAll(files, FileUtils 19420 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19421 Collections.addAll(files, FileUtils 19422 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19423 Collections.addAll(files, FileUtils 19424 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19425 Collections.addAll(files, FileUtils 19426 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19427 for (File file : files) { 19428 if (!file.isDirectory()) continue; 19429 19430 final int userId; 19431 final UserInfo info; 19432 try { 19433 userId = Integer.parseInt(file.getName()); 19434 info = sUserManager.getUserInfo(userId); 19435 } catch (NumberFormatException e) { 19436 Slog.w(TAG, "Invalid user directory " + file); 19437 continue; 19438 } 19439 19440 boolean destroyUser = false; 19441 if (info == null) { 19442 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19443 + " because no matching user was found"); 19444 destroyUser = true; 19445 } else if (!mOnlyCore) { 19446 try { 19447 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19448 } catch (IOException e) { 19449 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19450 + " because we failed to enforce serial number: " + e); 19451 destroyUser = true; 19452 } 19453 } 19454 19455 if (destroyUser) { 19456 synchronized (mInstallLock) { 19457 destroyUserDataLI(volumeUuid, userId, 19458 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19459 } 19460 } 19461 } 19462 } 19463 19464 private void assertPackageKnown(String volumeUuid, String packageName) 19465 throws PackageManagerException { 19466 synchronized (mPackages) { 19467 final PackageSetting ps = mSettings.mPackages.get(packageName); 19468 if (ps == null) { 19469 throw new PackageManagerException("Package " + packageName + " is unknown"); 19470 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19471 throw new PackageManagerException( 19472 "Package " + packageName + " found on unknown volume " + volumeUuid 19473 + "; expected volume " + ps.volumeUuid); 19474 } 19475 } 19476 } 19477 19478 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19479 throws PackageManagerException { 19480 synchronized (mPackages) { 19481 final PackageSetting ps = mSettings.mPackages.get(packageName); 19482 if (ps == null) { 19483 throw new PackageManagerException("Package " + packageName + " is unknown"); 19484 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19485 throw new PackageManagerException( 19486 "Package " + packageName + " found on unknown volume " + volumeUuid 19487 + "; expected volume " + ps.volumeUuid); 19488 } else if (!ps.getInstalled(userId)) { 19489 throw new PackageManagerException( 19490 "Package " + packageName + " not installed for user " + userId); 19491 } 19492 } 19493 } 19494 19495 /** 19496 * Examine all apps present on given mounted volume, and destroy apps that 19497 * aren't expected, either due to uninstallation or reinstallation on 19498 * another volume. 19499 */ 19500 private void reconcileApps(String volumeUuid) { 19501 final File[] files = FileUtils 19502 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19503 for (File file : files) { 19504 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19505 && !PackageInstallerService.isStageName(file.getName()); 19506 if (!isPackage) { 19507 // Ignore entries which are not packages 19508 continue; 19509 } 19510 19511 try { 19512 final PackageLite pkg = PackageParser.parsePackageLite(file, 19513 PackageParser.PARSE_MUST_BE_APK); 19514 assertPackageKnown(volumeUuid, pkg.packageName); 19515 19516 } catch (PackageParserException | PackageManagerException e) { 19517 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19518 synchronized (mInstallLock) { 19519 removeCodePathLI(file); 19520 } 19521 } 19522 } 19523 } 19524 19525 /** 19526 * Reconcile all app data for the given user. 19527 * <p> 19528 * Verifies that directories exist and that ownership and labeling is 19529 * correct for all installed apps on all mounted volumes. 19530 */ 19531 void reconcileAppsData(int userId, int flags) { 19532 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19533 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19534 final String volumeUuid = vol.getFsUuid(); 19535 synchronized (mInstallLock) { 19536 reconcileAppsDataLI(volumeUuid, userId, flags); 19537 } 19538 } 19539 } 19540 19541 /** 19542 * Reconcile all app data on given mounted volume. 19543 * <p> 19544 * Destroys app data that isn't expected, either due to uninstallation or 19545 * reinstallation on another volume. 19546 * <p> 19547 * Verifies that directories exist and that ownership and labeling is 19548 * correct for all installed apps. 19549 */ 19550 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19551 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19552 + Integer.toHexString(flags)); 19553 19554 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19555 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19556 19557 boolean restoreconNeeded = false; 19558 19559 // First look for stale data that doesn't belong, and check if things 19560 // have changed since we did our last restorecon 19561 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19562 if (StorageManager.isFileEncryptedNativeOrEmulated() 19563 && !StorageManager.isUserKeyUnlocked(userId)) { 19564 throw new RuntimeException( 19565 "Yikes, someone asked us to reconcile CE storage while " + userId 19566 + " was still locked; this would have caused massive data loss!"); 19567 } 19568 19569 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19570 19571 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19572 for (File file : files) { 19573 final String packageName = file.getName(); 19574 try { 19575 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19576 } catch (PackageManagerException e) { 19577 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19578 try { 19579 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19580 StorageManager.FLAG_STORAGE_CE, 0); 19581 } catch (InstallerException e2) { 19582 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19583 } 19584 } 19585 } 19586 } 19587 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19588 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19589 19590 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19591 for (File file : files) { 19592 final String packageName = file.getName(); 19593 try { 19594 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19595 } catch (PackageManagerException e) { 19596 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19597 try { 19598 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19599 StorageManager.FLAG_STORAGE_DE, 0); 19600 } catch (InstallerException e2) { 19601 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19602 } 19603 } 19604 } 19605 } 19606 19607 // Ensure that data directories are ready to roll for all packages 19608 // installed for this volume and user 19609 final List<PackageSetting> packages; 19610 synchronized (mPackages) { 19611 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19612 } 19613 int preparedCount = 0; 19614 for (PackageSetting ps : packages) { 19615 final String packageName = ps.name; 19616 if (ps.pkg == null) { 19617 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19618 // TODO: might be due to legacy ASEC apps; we should circle back 19619 // and reconcile again once they're scanned 19620 continue; 19621 } 19622 19623 if (ps.getInstalled(userId)) { 19624 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19625 19626 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19627 // We may have just shuffled around app data directories, so 19628 // prepare them one more time 19629 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19630 } 19631 19632 preparedCount++; 19633 } 19634 } 19635 19636 if (restoreconNeeded) { 19637 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19638 SELinuxMMAC.setRestoreconDone(ceDir); 19639 } 19640 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19641 SELinuxMMAC.setRestoreconDone(deDir); 19642 } 19643 } 19644 19645 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19646 + " packages; restoreconNeeded was " + restoreconNeeded); 19647 } 19648 19649 /** 19650 * Prepare app data for the given app just after it was installed or 19651 * upgraded. This method carefully only touches users that it's installed 19652 * for, and it forces a restorecon to handle any seinfo changes. 19653 * <p> 19654 * Verifies that directories exist and that ownership and labeling is 19655 * correct for all installed apps. If there is an ownership mismatch, it 19656 * will try recovering system apps by wiping data; third-party app data is 19657 * left intact. 19658 * <p> 19659 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19660 */ 19661 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19662 final PackageSetting ps; 19663 synchronized (mPackages) { 19664 ps = mSettings.mPackages.get(pkg.packageName); 19665 mSettings.writeKernelMappingLPr(ps); 19666 } 19667 19668 final UserManager um = mContext.getSystemService(UserManager.class); 19669 UserManagerInternal umInternal = getUserManagerInternal(); 19670 for (UserInfo user : um.getUsers()) { 19671 final int flags; 19672 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19673 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19674 } else if (umInternal.isUserRunning(user.id)) { 19675 flags = StorageManager.FLAG_STORAGE_DE; 19676 } else { 19677 continue; 19678 } 19679 19680 if (ps.getInstalled(user.id)) { 19681 // Whenever an app changes, force a restorecon of its data 19682 // TODO: when user data is locked, mark that we're still dirty 19683 prepareAppDataLIF(pkg, user.id, flags, true); 19684 } 19685 } 19686 } 19687 19688 /** 19689 * Prepare app data for the given app. 19690 * <p> 19691 * Verifies that directories exist and that ownership and labeling is 19692 * correct for all installed apps. If there is an ownership mismatch, this 19693 * will try recovering system apps by wiping data; third-party app data is 19694 * left intact. 19695 */ 19696 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19697 boolean restoreconNeeded) { 19698 if (pkg == null) { 19699 Slog.wtf(TAG, "Package was null!", new Throwable()); 19700 return; 19701 } 19702 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19703 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19704 for (int i = 0; i < childCount; i++) { 19705 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19706 } 19707 } 19708 19709 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19710 boolean restoreconNeeded) { 19711 if (DEBUG_APP_DATA) { 19712 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19713 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19714 } 19715 19716 final String volumeUuid = pkg.volumeUuid; 19717 final String packageName = pkg.packageName; 19718 final ApplicationInfo app = pkg.applicationInfo; 19719 final int appId = UserHandle.getAppId(app.uid); 19720 19721 Preconditions.checkNotNull(app.seinfo); 19722 19723 try { 19724 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19725 appId, app.seinfo, app.targetSdkVersion); 19726 } catch (InstallerException e) { 19727 if (app.isSystemApp()) { 19728 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19729 + ", but trying to recover: " + e); 19730 destroyAppDataLeafLIF(pkg, userId, flags); 19731 try { 19732 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19733 appId, app.seinfo, app.targetSdkVersion); 19734 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19735 } catch (InstallerException e2) { 19736 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19737 } 19738 } else { 19739 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19740 } 19741 } 19742 19743 if (restoreconNeeded) { 19744 try { 19745 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19746 app.seinfo); 19747 } catch (InstallerException e) { 19748 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19749 } 19750 } 19751 19752 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19753 try { 19754 // CE storage is unlocked right now, so read out the inode and 19755 // remember for use later when it's locked 19756 // TODO: mark this structure as dirty so we persist it! 19757 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19758 StorageManager.FLAG_STORAGE_CE); 19759 synchronized (mPackages) { 19760 final PackageSetting ps = mSettings.mPackages.get(packageName); 19761 if (ps != null) { 19762 ps.setCeDataInode(ceDataInode, userId); 19763 } 19764 } 19765 } catch (InstallerException e) { 19766 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19767 } 19768 } 19769 19770 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19771 } 19772 19773 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19774 if (pkg == null) { 19775 Slog.wtf(TAG, "Package was null!", new Throwable()); 19776 return; 19777 } 19778 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19779 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19780 for (int i = 0; i < childCount; i++) { 19781 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19782 } 19783 } 19784 19785 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19786 final String volumeUuid = pkg.volumeUuid; 19787 final String packageName = pkg.packageName; 19788 final ApplicationInfo app = pkg.applicationInfo; 19789 19790 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19791 // Create a native library symlink only if we have native libraries 19792 // and if the native libraries are 32 bit libraries. We do not provide 19793 // this symlink for 64 bit libraries. 19794 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19795 final String nativeLibPath = app.nativeLibraryDir; 19796 try { 19797 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19798 nativeLibPath, userId); 19799 } catch (InstallerException e) { 19800 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19801 } 19802 } 19803 } 19804 } 19805 19806 /** 19807 * For system apps on non-FBE devices, this method migrates any existing 19808 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19809 * requested by the app. 19810 */ 19811 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19812 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19813 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19814 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19815 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19816 try { 19817 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19818 storageTarget); 19819 } catch (InstallerException e) { 19820 logCriticalInfo(Log.WARN, 19821 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19822 } 19823 return true; 19824 } else { 19825 return false; 19826 } 19827 } 19828 19829 public PackageFreezer freezePackage(String packageName, String killReason) { 19830 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19831 } 19832 19833 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19834 return new PackageFreezer(packageName, userId, killReason); 19835 } 19836 19837 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19838 String killReason) { 19839 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19840 } 19841 19842 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19843 String killReason) { 19844 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19845 return new PackageFreezer(); 19846 } else { 19847 return freezePackage(packageName, userId, killReason); 19848 } 19849 } 19850 19851 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19852 String killReason) { 19853 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19854 } 19855 19856 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19857 String killReason) { 19858 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19859 return new PackageFreezer(); 19860 } else { 19861 return freezePackage(packageName, userId, killReason); 19862 } 19863 } 19864 19865 /** 19866 * Class that freezes and kills the given package upon creation, and 19867 * unfreezes it upon closing. This is typically used when doing surgery on 19868 * app code/data to prevent the app from running while you're working. 19869 */ 19870 private class PackageFreezer implements AutoCloseable { 19871 private final String mPackageName; 19872 private final PackageFreezer[] mChildren; 19873 19874 private final boolean mWeFroze; 19875 19876 private final AtomicBoolean mClosed = new AtomicBoolean(); 19877 private final CloseGuard mCloseGuard = CloseGuard.get(); 19878 19879 /** 19880 * Create and return a stub freezer that doesn't actually do anything, 19881 * typically used when someone requested 19882 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19883 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19884 */ 19885 public PackageFreezer() { 19886 mPackageName = null; 19887 mChildren = null; 19888 mWeFroze = false; 19889 mCloseGuard.open("close"); 19890 } 19891 19892 public PackageFreezer(String packageName, int userId, String killReason) { 19893 synchronized (mPackages) { 19894 mPackageName = packageName; 19895 mWeFroze = mFrozenPackages.add(mPackageName); 19896 19897 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19898 if (ps != null) { 19899 killApplication(ps.name, ps.appId, userId, killReason); 19900 } 19901 19902 final PackageParser.Package p = mPackages.get(packageName); 19903 if (p != null && p.childPackages != null) { 19904 final int N = p.childPackages.size(); 19905 mChildren = new PackageFreezer[N]; 19906 for (int i = 0; i < N; i++) { 19907 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19908 userId, killReason); 19909 } 19910 } else { 19911 mChildren = null; 19912 } 19913 } 19914 mCloseGuard.open("close"); 19915 } 19916 19917 @Override 19918 protected void finalize() throws Throwable { 19919 try { 19920 mCloseGuard.warnIfOpen(); 19921 close(); 19922 } finally { 19923 super.finalize(); 19924 } 19925 } 19926 19927 @Override 19928 public void close() { 19929 mCloseGuard.close(); 19930 if (mClosed.compareAndSet(false, true)) { 19931 synchronized (mPackages) { 19932 if (mWeFroze) { 19933 mFrozenPackages.remove(mPackageName); 19934 } 19935 19936 if (mChildren != null) { 19937 for (PackageFreezer freezer : mChildren) { 19938 freezer.close(); 19939 } 19940 } 19941 } 19942 } 19943 } 19944 } 19945 19946 /** 19947 * Verify that given package is currently frozen. 19948 */ 19949 private void checkPackageFrozen(String packageName) { 19950 synchronized (mPackages) { 19951 if (!mFrozenPackages.contains(packageName)) { 19952 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19953 } 19954 } 19955 } 19956 19957 @Override 19958 public int movePackage(final String packageName, final String volumeUuid) { 19959 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19960 19961 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19962 final int moveId = mNextMoveId.getAndIncrement(); 19963 mHandler.post(new Runnable() { 19964 @Override 19965 public void run() { 19966 try { 19967 movePackageInternal(packageName, volumeUuid, moveId, user); 19968 } catch (PackageManagerException e) { 19969 Slog.w(TAG, "Failed to move " + packageName, e); 19970 mMoveCallbacks.notifyStatusChanged(moveId, 19971 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19972 } 19973 } 19974 }); 19975 return moveId; 19976 } 19977 19978 private void movePackageInternal(final String packageName, final String volumeUuid, 19979 final int moveId, UserHandle user) throws PackageManagerException { 19980 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19981 final PackageManager pm = mContext.getPackageManager(); 19982 19983 final boolean currentAsec; 19984 final String currentVolumeUuid; 19985 final File codeFile; 19986 final String installerPackageName; 19987 final String packageAbiOverride; 19988 final int appId; 19989 final String seinfo; 19990 final String label; 19991 final int targetSdkVersion; 19992 final PackageFreezer freezer; 19993 final int[] installedUserIds; 19994 19995 // reader 19996 synchronized (mPackages) { 19997 final PackageParser.Package pkg = mPackages.get(packageName); 19998 final PackageSetting ps = mSettings.mPackages.get(packageName); 19999 if (pkg == null || ps == null) { 20000 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20001 } 20002 20003 if (pkg.applicationInfo.isSystemApp()) { 20004 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20005 "Cannot move system application"); 20006 } 20007 20008 if (pkg.applicationInfo.isExternalAsec()) { 20009 currentAsec = true; 20010 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20011 } else if (pkg.applicationInfo.isForwardLocked()) { 20012 currentAsec = true; 20013 currentVolumeUuid = "forward_locked"; 20014 } else { 20015 currentAsec = false; 20016 currentVolumeUuid = ps.volumeUuid; 20017 20018 final File probe = new File(pkg.codePath); 20019 final File probeOat = new File(probe, "oat"); 20020 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20021 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20022 "Move only supported for modern cluster style installs"); 20023 } 20024 } 20025 20026 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20027 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20028 "Package already moved to " + volumeUuid); 20029 } 20030 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20031 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20032 "Device admin cannot be moved"); 20033 } 20034 20035 if (mFrozenPackages.contains(packageName)) { 20036 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20037 "Failed to move already frozen package"); 20038 } 20039 20040 codeFile = new File(pkg.codePath); 20041 installerPackageName = ps.installerPackageName; 20042 packageAbiOverride = ps.cpuAbiOverrideString; 20043 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20044 seinfo = pkg.applicationInfo.seinfo; 20045 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20046 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20047 freezer = freezePackage(packageName, "movePackageInternal"); 20048 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20049 } 20050 20051 final Bundle extras = new Bundle(); 20052 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20053 extras.putString(Intent.EXTRA_TITLE, label); 20054 mMoveCallbacks.notifyCreated(moveId, extras); 20055 20056 int installFlags; 20057 final boolean moveCompleteApp; 20058 final File measurePath; 20059 20060 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20061 installFlags = INSTALL_INTERNAL; 20062 moveCompleteApp = !currentAsec; 20063 measurePath = Environment.getDataAppDirectory(volumeUuid); 20064 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20065 installFlags = INSTALL_EXTERNAL; 20066 moveCompleteApp = false; 20067 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20068 } else { 20069 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20070 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20071 || !volume.isMountedWritable()) { 20072 freezer.close(); 20073 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20074 "Move location not mounted private volume"); 20075 } 20076 20077 Preconditions.checkState(!currentAsec); 20078 20079 installFlags = INSTALL_INTERNAL; 20080 moveCompleteApp = true; 20081 measurePath = Environment.getDataAppDirectory(volumeUuid); 20082 } 20083 20084 final PackageStats stats = new PackageStats(null, -1); 20085 synchronized (mInstaller) { 20086 for (int userId : installedUserIds) { 20087 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20088 freezer.close(); 20089 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20090 "Failed to measure package size"); 20091 } 20092 } 20093 } 20094 20095 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20096 + stats.dataSize); 20097 20098 final long startFreeBytes = measurePath.getFreeSpace(); 20099 final long sizeBytes; 20100 if (moveCompleteApp) { 20101 sizeBytes = stats.codeSize + stats.dataSize; 20102 } else { 20103 sizeBytes = stats.codeSize; 20104 } 20105 20106 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20107 freezer.close(); 20108 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20109 "Not enough free space to move"); 20110 } 20111 20112 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20113 20114 final CountDownLatch installedLatch = new CountDownLatch(1); 20115 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20116 @Override 20117 public void onUserActionRequired(Intent intent) throws RemoteException { 20118 throw new IllegalStateException(); 20119 } 20120 20121 @Override 20122 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20123 Bundle extras) throws RemoteException { 20124 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20125 + PackageManager.installStatusToString(returnCode, msg)); 20126 20127 installedLatch.countDown(); 20128 freezer.close(); 20129 20130 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20131 switch (status) { 20132 case PackageInstaller.STATUS_SUCCESS: 20133 mMoveCallbacks.notifyStatusChanged(moveId, 20134 PackageManager.MOVE_SUCCEEDED); 20135 break; 20136 case PackageInstaller.STATUS_FAILURE_STORAGE: 20137 mMoveCallbacks.notifyStatusChanged(moveId, 20138 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20139 break; 20140 default: 20141 mMoveCallbacks.notifyStatusChanged(moveId, 20142 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20143 break; 20144 } 20145 } 20146 }; 20147 20148 final MoveInfo move; 20149 if (moveCompleteApp) { 20150 // Kick off a thread to report progress estimates 20151 new Thread() { 20152 @Override 20153 public void run() { 20154 while (true) { 20155 try { 20156 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20157 break; 20158 } 20159 } catch (InterruptedException ignored) { 20160 } 20161 20162 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20163 final int progress = 10 + (int) MathUtils.constrain( 20164 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20165 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20166 } 20167 } 20168 }.start(); 20169 20170 final String dataAppName = codeFile.getName(); 20171 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20172 dataAppName, appId, seinfo, targetSdkVersion); 20173 } else { 20174 move = null; 20175 } 20176 20177 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20178 20179 final Message msg = mHandler.obtainMessage(INIT_COPY); 20180 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20181 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20182 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20183 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20184 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20185 msg.obj = params; 20186 20187 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20188 System.identityHashCode(msg.obj)); 20189 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20190 System.identityHashCode(msg.obj)); 20191 20192 mHandler.sendMessage(msg); 20193 } 20194 20195 @Override 20196 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20197 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20198 20199 final int realMoveId = mNextMoveId.getAndIncrement(); 20200 final Bundle extras = new Bundle(); 20201 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20202 mMoveCallbacks.notifyCreated(realMoveId, extras); 20203 20204 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20205 @Override 20206 public void onCreated(int moveId, Bundle extras) { 20207 // Ignored 20208 } 20209 20210 @Override 20211 public void onStatusChanged(int moveId, int status, long estMillis) { 20212 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20213 } 20214 }; 20215 20216 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20217 storage.setPrimaryStorageUuid(volumeUuid, callback); 20218 return realMoveId; 20219 } 20220 20221 @Override 20222 public int getMoveStatus(int moveId) { 20223 mContext.enforceCallingOrSelfPermission( 20224 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20225 return mMoveCallbacks.mLastStatus.get(moveId); 20226 } 20227 20228 @Override 20229 public void registerMoveCallback(IPackageMoveObserver callback) { 20230 mContext.enforceCallingOrSelfPermission( 20231 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20232 mMoveCallbacks.register(callback); 20233 } 20234 20235 @Override 20236 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20237 mContext.enforceCallingOrSelfPermission( 20238 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20239 mMoveCallbacks.unregister(callback); 20240 } 20241 20242 @Override 20243 public boolean setInstallLocation(int loc) { 20244 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20245 null); 20246 if (getInstallLocation() == loc) { 20247 return true; 20248 } 20249 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20250 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20251 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20252 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20253 return true; 20254 } 20255 return false; 20256 } 20257 20258 @Override 20259 public int getInstallLocation() { 20260 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20261 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20262 PackageHelper.APP_INSTALL_AUTO); 20263 } 20264 20265 /** Called by UserManagerService */ 20266 void cleanUpUser(UserManagerService userManager, int userHandle) { 20267 synchronized (mPackages) { 20268 mDirtyUsers.remove(userHandle); 20269 mUserNeedsBadging.delete(userHandle); 20270 mSettings.removeUserLPw(userHandle); 20271 mPendingBroadcasts.remove(userHandle); 20272 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20273 removeUnusedPackagesLPw(userManager, userHandle); 20274 } 20275 } 20276 20277 /** 20278 * We're removing userHandle and would like to remove any downloaded packages 20279 * that are no longer in use by any other user. 20280 * @param userHandle the user being removed 20281 */ 20282 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20283 final boolean DEBUG_CLEAN_APKS = false; 20284 int [] users = userManager.getUserIds(); 20285 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20286 while (psit.hasNext()) { 20287 PackageSetting ps = psit.next(); 20288 if (ps.pkg == null) { 20289 continue; 20290 } 20291 final String packageName = ps.pkg.packageName; 20292 // Skip over if system app 20293 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20294 continue; 20295 } 20296 if (DEBUG_CLEAN_APKS) { 20297 Slog.i(TAG, "Checking package " + packageName); 20298 } 20299 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20300 if (keep) { 20301 if (DEBUG_CLEAN_APKS) { 20302 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20303 } 20304 } else { 20305 for (int i = 0; i < users.length; i++) { 20306 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20307 keep = true; 20308 if (DEBUG_CLEAN_APKS) { 20309 Slog.i(TAG, " Keeping package " + packageName + " for user " 20310 + users[i]); 20311 } 20312 break; 20313 } 20314 } 20315 } 20316 if (!keep) { 20317 if (DEBUG_CLEAN_APKS) { 20318 Slog.i(TAG, " Removing package " + packageName); 20319 } 20320 mHandler.post(new Runnable() { 20321 public void run() { 20322 deletePackageX(packageName, userHandle, 0); 20323 } //end run 20324 }); 20325 } 20326 } 20327 } 20328 20329 /** Called by UserManagerService */ 20330 void createNewUser(int userId) { 20331 synchronized (mInstallLock) { 20332 mSettings.createNewUserLI(this, mInstaller, userId); 20333 } 20334 synchronized (mPackages) { 20335 scheduleWritePackageRestrictionsLocked(userId); 20336 scheduleWritePackageListLocked(userId); 20337 applyFactoryDefaultBrowserLPw(userId); 20338 primeDomainVerificationsLPw(userId); 20339 } 20340 } 20341 20342 void onNewUserCreated(final int userId) { 20343 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20344 // If permission review for legacy apps is required, we represent 20345 // dagerous permissions for such apps as always granted runtime 20346 // permissions to keep per user flag state whether review is needed. 20347 // Hence, if a new user is added we have to propagate dangerous 20348 // permission grants for these legacy apps. 20349 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20350 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20351 | UPDATE_PERMISSIONS_REPLACE_ALL); 20352 } 20353 } 20354 20355 @Override 20356 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20357 mContext.enforceCallingOrSelfPermission( 20358 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20359 "Only package verification agents can read the verifier device identity"); 20360 20361 synchronized (mPackages) { 20362 return mSettings.getVerifierDeviceIdentityLPw(); 20363 } 20364 } 20365 20366 @Override 20367 public void setPermissionEnforced(String permission, boolean enforced) { 20368 // TODO: Now that we no longer change GID for storage, this should to away. 20369 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20370 "setPermissionEnforced"); 20371 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20372 synchronized (mPackages) { 20373 if (mSettings.mReadExternalStorageEnforced == null 20374 || mSettings.mReadExternalStorageEnforced != enforced) { 20375 mSettings.mReadExternalStorageEnforced = enforced; 20376 mSettings.writeLPr(); 20377 } 20378 } 20379 // kill any non-foreground processes so we restart them and 20380 // grant/revoke the GID. 20381 final IActivityManager am = ActivityManagerNative.getDefault(); 20382 if (am != null) { 20383 final long token = Binder.clearCallingIdentity(); 20384 try { 20385 am.killProcessesBelowForeground("setPermissionEnforcement"); 20386 } catch (RemoteException e) { 20387 } finally { 20388 Binder.restoreCallingIdentity(token); 20389 } 20390 } 20391 } else { 20392 throw new IllegalArgumentException("No selective enforcement for " + permission); 20393 } 20394 } 20395 20396 @Override 20397 @Deprecated 20398 public boolean isPermissionEnforced(String permission) { 20399 return true; 20400 } 20401 20402 @Override 20403 public boolean isStorageLow() { 20404 final long token = Binder.clearCallingIdentity(); 20405 try { 20406 final DeviceStorageMonitorInternal 20407 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20408 if (dsm != null) { 20409 return dsm.isMemoryLow(); 20410 } else { 20411 return false; 20412 } 20413 } finally { 20414 Binder.restoreCallingIdentity(token); 20415 } 20416 } 20417 20418 @Override 20419 public IPackageInstaller getPackageInstaller() { 20420 return mInstallerService; 20421 } 20422 20423 private boolean userNeedsBadging(int userId) { 20424 int index = mUserNeedsBadging.indexOfKey(userId); 20425 if (index < 0) { 20426 final UserInfo userInfo; 20427 final long token = Binder.clearCallingIdentity(); 20428 try { 20429 userInfo = sUserManager.getUserInfo(userId); 20430 } finally { 20431 Binder.restoreCallingIdentity(token); 20432 } 20433 final boolean b; 20434 if (userInfo != null && userInfo.isManagedProfile()) { 20435 b = true; 20436 } else { 20437 b = false; 20438 } 20439 mUserNeedsBadging.put(userId, b); 20440 return b; 20441 } 20442 return mUserNeedsBadging.valueAt(index); 20443 } 20444 20445 @Override 20446 public KeySet getKeySetByAlias(String packageName, String alias) { 20447 if (packageName == null || alias == null) { 20448 return null; 20449 } 20450 synchronized(mPackages) { 20451 final PackageParser.Package pkg = mPackages.get(packageName); 20452 if (pkg == null) { 20453 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20454 throw new IllegalArgumentException("Unknown package: " + packageName); 20455 } 20456 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20457 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20458 } 20459 } 20460 20461 @Override 20462 public KeySet getSigningKeySet(String packageName) { 20463 if (packageName == null) { 20464 return null; 20465 } 20466 synchronized(mPackages) { 20467 final PackageParser.Package pkg = mPackages.get(packageName); 20468 if (pkg == null) { 20469 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20470 throw new IllegalArgumentException("Unknown package: " + packageName); 20471 } 20472 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20473 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20474 throw new SecurityException("May not access signing KeySet of other apps."); 20475 } 20476 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20477 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20478 } 20479 } 20480 20481 @Override 20482 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20483 if (packageName == null || ks == null) { 20484 return false; 20485 } 20486 synchronized(mPackages) { 20487 final PackageParser.Package pkg = mPackages.get(packageName); 20488 if (pkg == null) { 20489 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20490 throw new IllegalArgumentException("Unknown package: " + packageName); 20491 } 20492 IBinder ksh = ks.getToken(); 20493 if (ksh instanceof KeySetHandle) { 20494 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20495 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20496 } 20497 return false; 20498 } 20499 } 20500 20501 @Override 20502 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20503 if (packageName == null || ks == null) { 20504 return false; 20505 } 20506 synchronized(mPackages) { 20507 final PackageParser.Package pkg = mPackages.get(packageName); 20508 if (pkg == null) { 20509 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20510 throw new IllegalArgumentException("Unknown package: " + packageName); 20511 } 20512 IBinder ksh = ks.getToken(); 20513 if (ksh instanceof KeySetHandle) { 20514 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20515 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20516 } 20517 return false; 20518 } 20519 } 20520 20521 private void deletePackageIfUnusedLPr(final String packageName) { 20522 PackageSetting ps = mSettings.mPackages.get(packageName); 20523 if (ps == null) { 20524 return; 20525 } 20526 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20527 // TODO Implement atomic delete if package is unused 20528 // It is currently possible that the package will be deleted even if it is installed 20529 // after this method returns. 20530 mHandler.post(new Runnable() { 20531 public void run() { 20532 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20533 } 20534 }); 20535 } 20536 } 20537 20538 /** 20539 * Check and throw if the given before/after packages would be considered a 20540 * downgrade. 20541 */ 20542 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20543 throws PackageManagerException { 20544 if (after.versionCode < before.mVersionCode) { 20545 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20546 "Update version code " + after.versionCode + " is older than current " 20547 + before.mVersionCode); 20548 } else if (after.versionCode == before.mVersionCode) { 20549 if (after.baseRevisionCode < before.baseRevisionCode) { 20550 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20551 "Update base revision code " + after.baseRevisionCode 20552 + " is older than current " + before.baseRevisionCode); 20553 } 20554 20555 if (!ArrayUtils.isEmpty(after.splitNames)) { 20556 for (int i = 0; i < after.splitNames.length; i++) { 20557 final String splitName = after.splitNames[i]; 20558 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20559 if (j != -1) { 20560 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20561 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20562 "Update split " + splitName + " revision code " 20563 + after.splitRevisionCodes[i] + " is older than current " 20564 + before.splitRevisionCodes[j]); 20565 } 20566 } 20567 } 20568 } 20569 } 20570 } 20571 20572 private static class MoveCallbacks extends Handler { 20573 private static final int MSG_CREATED = 1; 20574 private static final int MSG_STATUS_CHANGED = 2; 20575 20576 private final RemoteCallbackList<IPackageMoveObserver> 20577 mCallbacks = new RemoteCallbackList<>(); 20578 20579 private final SparseIntArray mLastStatus = new SparseIntArray(); 20580 20581 public MoveCallbacks(Looper looper) { 20582 super(looper); 20583 } 20584 20585 public void register(IPackageMoveObserver callback) { 20586 mCallbacks.register(callback); 20587 } 20588 20589 public void unregister(IPackageMoveObserver callback) { 20590 mCallbacks.unregister(callback); 20591 } 20592 20593 @Override 20594 public void handleMessage(Message msg) { 20595 final SomeArgs args = (SomeArgs) msg.obj; 20596 final int n = mCallbacks.beginBroadcast(); 20597 for (int i = 0; i < n; i++) { 20598 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20599 try { 20600 invokeCallback(callback, msg.what, args); 20601 } catch (RemoteException ignored) { 20602 } 20603 } 20604 mCallbacks.finishBroadcast(); 20605 args.recycle(); 20606 } 20607 20608 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20609 throws RemoteException { 20610 switch (what) { 20611 case MSG_CREATED: { 20612 callback.onCreated(args.argi1, (Bundle) args.arg2); 20613 break; 20614 } 20615 case MSG_STATUS_CHANGED: { 20616 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20617 break; 20618 } 20619 } 20620 } 20621 20622 private void notifyCreated(int moveId, Bundle extras) { 20623 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20624 20625 final SomeArgs args = SomeArgs.obtain(); 20626 args.argi1 = moveId; 20627 args.arg2 = extras; 20628 obtainMessage(MSG_CREATED, args).sendToTarget(); 20629 } 20630 20631 private void notifyStatusChanged(int moveId, int status) { 20632 notifyStatusChanged(moveId, status, -1); 20633 } 20634 20635 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20636 Slog.v(TAG, "Move " + moveId + " status " + status); 20637 20638 final SomeArgs args = SomeArgs.obtain(); 20639 args.argi1 = moveId; 20640 args.argi2 = status; 20641 args.arg3 = estMillis; 20642 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20643 20644 synchronized (mLastStatus) { 20645 mLastStatus.put(moveId, status); 20646 } 20647 } 20648 } 20649 20650 private final static class OnPermissionChangeListeners extends Handler { 20651 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20652 20653 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20654 new RemoteCallbackList<>(); 20655 20656 public OnPermissionChangeListeners(Looper looper) { 20657 super(looper); 20658 } 20659 20660 @Override 20661 public void handleMessage(Message msg) { 20662 switch (msg.what) { 20663 case MSG_ON_PERMISSIONS_CHANGED: { 20664 final int uid = msg.arg1; 20665 handleOnPermissionsChanged(uid); 20666 } break; 20667 } 20668 } 20669 20670 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20671 mPermissionListeners.register(listener); 20672 20673 } 20674 20675 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20676 mPermissionListeners.unregister(listener); 20677 } 20678 20679 public void onPermissionsChanged(int uid) { 20680 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20681 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20682 } 20683 } 20684 20685 private void handleOnPermissionsChanged(int uid) { 20686 final int count = mPermissionListeners.beginBroadcast(); 20687 try { 20688 for (int i = 0; i < count; i++) { 20689 IOnPermissionsChangeListener callback = mPermissionListeners 20690 .getBroadcastItem(i); 20691 try { 20692 callback.onPermissionsChanged(uid); 20693 } catch (RemoteException e) { 20694 Log.e(TAG, "Permission listener is dead", e); 20695 } 20696 } 20697 } finally { 20698 mPermissionListeners.finishBroadcast(); 20699 } 20700 } 20701 } 20702 20703 private class PackageManagerInternalImpl extends PackageManagerInternal { 20704 @Override 20705 public void setLocationPackagesProvider(PackagesProvider provider) { 20706 synchronized (mPackages) { 20707 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20708 } 20709 } 20710 20711 @Override 20712 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20713 synchronized (mPackages) { 20714 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20715 } 20716 } 20717 20718 @Override 20719 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20720 synchronized (mPackages) { 20721 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20722 } 20723 } 20724 20725 @Override 20726 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20727 synchronized (mPackages) { 20728 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20729 } 20730 } 20731 20732 @Override 20733 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20734 synchronized (mPackages) { 20735 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20736 } 20737 } 20738 20739 @Override 20740 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20741 synchronized (mPackages) { 20742 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20743 } 20744 } 20745 20746 @Override 20747 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20748 synchronized (mPackages) { 20749 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20750 packageName, userId); 20751 } 20752 } 20753 20754 @Override 20755 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20756 synchronized (mPackages) { 20757 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20758 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20759 packageName, userId); 20760 } 20761 } 20762 20763 @Override 20764 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20765 synchronized (mPackages) { 20766 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20767 packageName, userId); 20768 } 20769 } 20770 20771 @Override 20772 public void setKeepUninstalledPackages(final List<String> packageList) { 20773 Preconditions.checkNotNull(packageList); 20774 List<String> removedFromList = null; 20775 synchronized (mPackages) { 20776 if (mKeepUninstalledPackages != null) { 20777 final int packagesCount = mKeepUninstalledPackages.size(); 20778 for (int i = 0; i < packagesCount; i++) { 20779 String oldPackage = mKeepUninstalledPackages.get(i); 20780 if (packageList != null && packageList.contains(oldPackage)) { 20781 continue; 20782 } 20783 if (removedFromList == null) { 20784 removedFromList = new ArrayList<>(); 20785 } 20786 removedFromList.add(oldPackage); 20787 } 20788 } 20789 mKeepUninstalledPackages = new ArrayList<>(packageList); 20790 if (removedFromList != null) { 20791 final int removedCount = removedFromList.size(); 20792 for (int i = 0; i < removedCount; i++) { 20793 deletePackageIfUnusedLPr(removedFromList.get(i)); 20794 } 20795 } 20796 } 20797 } 20798 20799 @Override 20800 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20801 synchronized (mPackages) { 20802 // If we do not support permission review, done. 20803 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20804 return false; 20805 } 20806 20807 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20808 if (packageSetting == null) { 20809 return false; 20810 } 20811 20812 // Permission review applies only to apps not supporting the new permission model. 20813 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20814 return false; 20815 } 20816 20817 // Legacy apps have the permission and get user consent on launch. 20818 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20819 return permissionsState.isPermissionReviewRequired(userId); 20820 } 20821 } 20822 20823 @Override 20824 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20825 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20826 } 20827 20828 @Override 20829 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20830 int userId) { 20831 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20832 } 20833 20834 @Override 20835 public void setDeviceAndProfileOwnerPackages( 20836 int deviceOwnerUserId, String deviceOwnerPackage, 20837 SparseArray<String> profileOwnerPackages) { 20838 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20839 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20840 } 20841 20842 @Override 20843 public boolean isPackageDataProtected(int userId, String packageName) { 20844 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20845 } 20846 } 20847 20848 @Override 20849 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20850 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20851 synchronized (mPackages) { 20852 final long identity = Binder.clearCallingIdentity(); 20853 try { 20854 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20855 packageNames, userId); 20856 } finally { 20857 Binder.restoreCallingIdentity(identity); 20858 } 20859 } 20860 } 20861 20862 private static void enforceSystemOrPhoneCaller(String tag) { 20863 int callingUid = Binder.getCallingUid(); 20864 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20865 throw new SecurityException( 20866 "Cannot call " + tag + " from UID " + callingUid); 20867 } 20868 } 20869 20870 boolean isHistoricalPackageUsageAvailable() { 20871 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20872 } 20873 20874 /** 20875 * Return a <b>copy</b> of the collection of packages known to the package manager. 20876 * @return A copy of the values of mPackages. 20877 */ 20878 Collection<PackageParser.Package> getPackages() { 20879 synchronized (mPackages) { 20880 return new ArrayList<>(mPackages.values()); 20881 } 20882 } 20883 20884 /** 20885 * Logs process start information (including base APK hash) to the security log. 20886 * @hide 20887 */ 20888 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20889 String apkFile, int pid) { 20890 if (!SecurityLog.isLoggingEnabled()) { 20891 return; 20892 } 20893 Bundle data = new Bundle(); 20894 data.putLong("startTimestamp", System.currentTimeMillis()); 20895 data.putString("processName", processName); 20896 data.putInt("uid", uid); 20897 data.putString("seinfo", seinfo); 20898 data.putString("apkFile", apkFile); 20899 data.putInt("pid", pid); 20900 Message msg = mProcessLoggingHandler.obtainMessage( 20901 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20902 msg.setData(data); 20903 mProcessLoggingHandler.sendMessage(msg); 20904 } 20905 20906 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 20907 return mCompilerStats.getPackageStats(pkgName); 20908 } 20909 20910 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 20911 return getOrCreateCompilerPackageStats(pkg.packageName); 20912 } 20913 20914 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 20915 return mCompilerStats.getOrCreatePackageStats(pkgName); 20916 } 20917 20918 public void deleteCompilerPackageStats(String pkgName) { 20919 mCompilerStats.deletePackageStats(pkgName); 20920 } 20921} 20922