PackageManagerService.java revision f34c308dfd9cdda428b8ead8bf655de1608501a9
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.annotation.UserIdInt; 106import android.app.ActivityManager; 107import android.app.ActivityManagerNative; 108import android.app.IActivityManager; 109import android.app.ResourcesManager; 110import android.app.admin.IDevicePolicyManager; 111import android.app.admin.SecurityLog; 112import android.app.backup.IBackupManager; 113import android.content.BroadcastReceiver; 114import android.content.ComponentName; 115import android.content.Context; 116import android.content.IIntentReceiver; 117import android.content.Intent; 118import android.content.IntentFilter; 119import android.content.IntentSender; 120import android.content.IntentSender.SendIntentException; 121import android.content.ServiceConnection; 122import android.content.pm.ActivityInfo; 123import android.content.pm.ApplicationInfo; 124import android.content.pm.AppsQueryHelper; 125import android.content.pm.ComponentInfo; 126import android.content.pm.EphemeralApplicationInfo; 127import android.content.pm.EphemeralResolveInfo; 128import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 129import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 130import android.content.pm.FeatureInfo; 131import android.content.pm.IOnPermissionsChangeListener; 132import android.content.pm.IPackageDataObserver; 133import android.content.pm.IPackageDeleteObserver; 134import android.content.pm.IPackageDeleteObserver2; 135import android.content.pm.IPackageInstallObserver2; 136import android.content.pm.IPackageInstaller; 137import android.content.pm.IPackageManager; 138import android.content.pm.IPackageMoveObserver; 139import android.content.pm.IPackageStatsObserver; 140import android.content.pm.InstrumentationInfo; 141import android.content.pm.IntentFilterVerificationInfo; 142import android.content.pm.KeySet; 143import android.content.pm.PackageCleanItem; 144import android.content.pm.PackageInfo; 145import android.content.pm.PackageInfoLite; 146import android.content.pm.PackageInstaller; 147import android.content.pm.PackageManager; 148import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 149import android.content.pm.PackageManagerInternal; 150import android.content.pm.PackageParser; 151import android.content.pm.PackageParser.ActivityIntentInfo; 152import android.content.pm.PackageParser.PackageLite; 153import android.content.pm.PackageParser.PackageParserException; 154import android.content.pm.PackageStats; 155import android.content.pm.PackageUserState; 156import android.content.pm.ParceledListSlice; 157import android.content.pm.PermissionGroupInfo; 158import android.content.pm.PermissionInfo; 159import android.content.pm.ProviderInfo; 160import android.content.pm.ResolveInfo; 161import android.content.pm.ServiceInfo; 162import android.content.pm.Signature; 163import android.content.pm.UserInfo; 164import android.content.pm.VerifierDeviceIdentity; 165import android.content.pm.VerifierInfo; 166import android.content.res.Resources; 167import android.graphics.Bitmap; 168import android.hardware.display.DisplayManager; 169import android.net.Uri; 170import android.os.Binder; 171import android.os.Build; 172import android.os.Bundle; 173import android.os.Debug; 174import android.os.Environment; 175import android.os.Environment.UserEnvironment; 176import android.os.FileUtils; 177import android.os.Handler; 178import android.os.IBinder; 179import android.os.Looper; 180import android.os.Message; 181import android.os.Parcel; 182import android.os.ParcelFileDescriptor; 183import android.os.Process; 184import android.os.RemoteCallbackList; 185import android.os.RemoteException; 186import android.os.ResultReceiver; 187import android.os.SELinux; 188import android.os.ServiceManager; 189import android.os.SystemClock; 190import android.os.SystemProperties; 191import android.os.Trace; 192import android.os.UserHandle; 193import android.os.UserManager; 194import android.os.UserManagerInternal; 195import android.os.storage.IMountService; 196import android.os.storage.MountServiceInternal; 197import android.os.storage.StorageEventListener; 198import android.os.storage.StorageManager; 199import android.os.storage.VolumeInfo; 200import android.os.storage.VolumeRecord; 201import android.provider.Settings.Global; 202import android.security.KeyStore; 203import android.security.SystemKeyStore; 204import android.system.ErrnoException; 205import android.system.Os; 206import android.text.TextUtils; 207import android.text.format.DateUtils; 208import android.util.ArrayMap; 209import android.util.ArraySet; 210import android.util.AtomicFile; 211import android.util.DisplayMetrics; 212import android.util.EventLog; 213import android.util.ExceptionUtils; 214import android.util.Log; 215import android.util.LogPrinter; 216import android.util.MathUtils; 217import android.util.PrintStreamPrinter; 218import android.util.Slog; 219import android.util.SparseArray; 220import android.util.SparseBooleanArray; 221import android.util.SparseIntArray; 222import android.util.Xml; 223import android.util.jar.StrictJarFile; 224import android.view.Display; 225 226import com.android.internal.R; 227import com.android.internal.annotations.GuardedBy; 228import com.android.internal.app.IMediaContainerService; 229import com.android.internal.app.ResolverActivity; 230import com.android.internal.content.NativeLibraryHelper; 231import com.android.internal.content.PackageHelper; 232import com.android.internal.logging.MetricsLogger; 233import com.android.internal.os.IParcelFileDescriptorFactory; 234import com.android.internal.os.InstallerConnection.InstallerException; 235import com.android.internal.os.SomeArgs; 236import com.android.internal.os.Zygote; 237import com.android.internal.telephony.CarrierAppUtils; 238import com.android.internal.util.ArrayUtils; 239import com.android.internal.util.FastPrintWriter; 240import com.android.internal.util.FastXmlSerializer; 241import com.android.internal.util.IndentingPrintWriter; 242import com.android.internal.util.Preconditions; 243import com.android.internal.util.XmlUtils; 244import com.android.server.AttributeCache; 245import com.android.server.EventLogTags; 246import com.android.server.FgThread; 247import com.android.server.IntentResolver; 248import com.android.server.LocalServices; 249import com.android.server.ServiceThread; 250import com.android.server.SystemConfig; 251import com.android.server.Watchdog; 252import com.android.server.net.NetworkPolicyManagerInternal; 253import com.android.server.pm.PermissionsState.PermissionState; 254import com.android.server.pm.Settings.DatabaseVersion; 255import com.android.server.pm.Settings.VersionInfo; 256import com.android.server.storage.DeviceStorageMonitorInternal; 257 258import dalvik.system.CloseGuard; 259import dalvik.system.DexFile; 260import dalvik.system.VMRuntime; 261 262import libcore.io.IoUtils; 263import libcore.util.EmptyArray; 264 265import org.xmlpull.v1.XmlPullParser; 266import org.xmlpull.v1.XmlPullParserException; 267import org.xmlpull.v1.XmlSerializer; 268 269import java.io.BufferedInputStream; 270import java.io.BufferedOutputStream; 271import java.io.BufferedReader; 272import java.io.ByteArrayInputStream; 273import java.io.ByteArrayOutputStream; 274import java.io.File; 275import java.io.FileDescriptor; 276import java.io.FileInputStream; 277import java.io.FileNotFoundException; 278import java.io.FileOutputStream; 279import java.io.FileReader; 280import java.io.FilenameFilter; 281import java.io.IOException; 282import java.io.InputStream; 283import java.io.PrintWriter; 284import java.nio.charset.StandardCharsets; 285import java.security.DigestInputStream; 286import java.security.MessageDigest; 287import java.security.NoSuchAlgorithmException; 288import java.security.PublicKey; 289import java.security.cert.Certificate; 290import java.security.cert.CertificateEncodingException; 291import java.security.cert.CertificateException; 292import java.text.SimpleDateFormat; 293import java.util.ArrayList; 294import java.util.Arrays; 295import java.util.Collection; 296import java.util.Collections; 297import java.util.Comparator; 298import java.util.Date; 299import java.util.HashSet; 300import java.util.Iterator; 301import java.util.List; 302import java.util.Map; 303import java.util.Objects; 304import java.util.Set; 305import java.util.concurrent.CountDownLatch; 306import java.util.concurrent.TimeUnit; 307import java.util.concurrent.atomic.AtomicBoolean; 308import java.util.concurrent.atomic.AtomicInteger; 309import java.util.concurrent.atomic.AtomicLong; 310 311/** 312 * Keep track of all those APKs everywhere. 313 * <p> 314 * Internally there are two important locks: 315 * <ul> 316 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 317 * and other related state. It is a fine-grained lock that should only be held 318 * momentarily, as it's one of the most contended locks in the system. 319 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 320 * operations typically involve heavy lifting of application data on disk. Since 321 * {@code installd} is single-threaded, and it's operations can often be slow, 322 * this lock should never be acquired while already holding {@link #mPackages}. 323 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 324 * holding {@link #mInstallLock}. 325 * </ul> 326 * Many internal methods rely on the caller to hold the appropriate locks, and 327 * this contract is expressed through method name suffixes: 328 * <ul> 329 * <li>fooLI(): the caller must hold {@link #mInstallLock} 330 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 331 * being modified must be frozen 332 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 333 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 334 * </ul> 335 * <p> 336 * Because this class is very central to the platform's security; please run all 337 * CTS and unit tests whenever making modifications: 338 * 339 * <pre> 340 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 341 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 342 * </pre> 343 */ 344public class PackageManagerService extends IPackageManager.Stub { 345 static final String TAG = "PackageManager"; 346 static final boolean DEBUG_SETTINGS = false; 347 static final boolean DEBUG_PREFERRED = false; 348 static final boolean DEBUG_UPGRADE = false; 349 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 350 private static final boolean DEBUG_BACKUP = false; 351 private static final boolean DEBUG_INSTALL = false; 352 private static final boolean DEBUG_REMOVE = false; 353 private static final boolean DEBUG_BROADCASTS = false; 354 private static final boolean DEBUG_SHOW_INFO = false; 355 private static final boolean DEBUG_PACKAGE_INFO = false; 356 private static final boolean DEBUG_INTENT_MATCHING = false; 357 private static final boolean DEBUG_PACKAGE_SCANNING = false; 358 private static final boolean DEBUG_VERIFY = false; 359 private static final boolean DEBUG_FILTERS = false; 360 361 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 362 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 363 // user, but by default initialize to this. 364 static final boolean DEBUG_DEXOPT = false; 365 366 private static final boolean DEBUG_ABI_SELECTION = false; 367 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 368 private static final boolean DEBUG_TRIAGED_MISSING = false; 369 private static final boolean DEBUG_APP_DATA = false; 370 371 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 372 373 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 374 375 private static final int RADIO_UID = Process.PHONE_UID; 376 private static final int LOG_UID = Process.LOG_UID; 377 private static final int NFC_UID = Process.NFC_UID; 378 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 379 private static final int SHELL_UID = Process.SHELL_UID; 380 381 // Cap the size of permission trees that 3rd party apps can define 382 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 383 384 // Suffix used during package installation when copying/moving 385 // package apks to install directory. 386 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 387 388 static final int SCAN_NO_DEX = 1<<1; 389 static final int SCAN_FORCE_DEX = 1<<2; 390 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 391 static final int SCAN_NEW_INSTALL = 1<<4; 392 static final int SCAN_NO_PATHS = 1<<5; 393 static final int SCAN_UPDATE_TIME = 1<<6; 394 static final int SCAN_DEFER_DEX = 1<<7; 395 static final int SCAN_BOOTING = 1<<8; 396 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 397 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 398 static final int SCAN_REPLACING = 1<<11; 399 static final int SCAN_REQUIRE_KNOWN = 1<<12; 400 static final int SCAN_MOVE = 1<<13; 401 static final int SCAN_INITIAL = 1<<14; 402 static final int SCAN_CHECK_ONLY = 1<<15; 403 static final int SCAN_DONT_KILL_APP = 1<<17; 404 static final int SCAN_IGNORE_FROZEN = 1<<18; 405 406 static final int REMOVE_CHATTY = 1<<16; 407 408 private static final int[] EMPTY_INT_ARRAY = new int[0]; 409 410 /** 411 * Timeout (in milliseconds) after which the watchdog should declare that 412 * our handler thread is wedged. The usual default for such things is one 413 * minute but we sometimes do very lengthy I/O operations on this thread, 414 * such as installing multi-gigabyte applications, so ours needs to be longer. 415 */ 416 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 417 418 /** 419 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 420 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 421 * settings entry if available, otherwise we use the hardcoded default. If it's been 422 * more than this long since the last fstrim, we force one during the boot sequence. 423 * 424 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 425 * one gets run at the next available charging+idle time. This final mandatory 426 * no-fstrim check kicks in only of the other scheduling criteria is never met. 427 */ 428 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 429 430 /** 431 * Whether verification is enabled by default. 432 */ 433 private static final boolean DEFAULT_VERIFY_ENABLE = true; 434 435 /** 436 * The default maximum time to wait for the verification agent to return in 437 * milliseconds. 438 */ 439 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 440 441 /** 442 * The default response for package verification timeout. 443 * 444 * This can be either PackageManager.VERIFICATION_ALLOW or 445 * PackageManager.VERIFICATION_REJECT. 446 */ 447 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 448 449 static final String PLATFORM_PACKAGE_NAME = "android"; 450 451 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 452 453 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 454 DEFAULT_CONTAINER_PACKAGE, 455 "com.android.defcontainer.DefaultContainerService"); 456 457 private static final String KILL_APP_REASON_GIDS_CHANGED = 458 "permission grant or revoke changed gids"; 459 460 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 461 "permissions revoked"; 462 463 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 464 465 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 466 467 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 468 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 469 470 /** Permission grant: not grant the permission. */ 471 private static final int GRANT_DENIED = 1; 472 473 /** Permission grant: grant the permission as an install permission. */ 474 private static final int GRANT_INSTALL = 2; 475 476 /** Permission grant: grant the permission as a runtime one. */ 477 private static final int GRANT_RUNTIME = 3; 478 479 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 480 private static final int GRANT_UPGRADE = 4; 481 482 /** Canonical intent used to identify what counts as a "web browser" app */ 483 private static final Intent sBrowserIntent; 484 static { 485 sBrowserIntent = new Intent(); 486 sBrowserIntent.setAction(Intent.ACTION_VIEW); 487 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 488 sBrowserIntent.setData(Uri.parse("http:")); 489 } 490 491 /** 492 * The set of all protected actions [i.e. those actions for which a high priority 493 * intent filter is disallowed]. 494 */ 495 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 496 static { 497 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 498 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 499 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 500 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 501 } 502 503 // Compilation reasons. 504 public static final int REASON_FIRST_BOOT = 0; 505 public static final int REASON_BOOT = 1; 506 public static final int REASON_INSTALL = 2; 507 public static final int REASON_BACKGROUND_DEXOPT = 3; 508 public static final int REASON_AB_OTA = 4; 509 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 510 public static final int REASON_SHARED_APK = 6; 511 public static final int REASON_FORCED_DEXOPT = 7; 512 public static final int REASON_CORE_APP = 8; 513 514 public static final int REASON_LAST = REASON_CORE_APP; 515 516 /** Special library name that skips shared libraries check during compilation. */ 517 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 518 519 final ServiceThread mHandlerThread; 520 521 final PackageHandler mHandler; 522 523 private final ProcessLoggingHandler mProcessLoggingHandler; 524 525 /** 526 * Messages for {@link #mHandler} that need to wait for system ready before 527 * being dispatched. 528 */ 529 private ArrayList<Message> mPostSystemReadyMessages; 530 531 final int mSdkVersion = Build.VERSION.SDK_INT; 532 533 final Context mContext; 534 final boolean mFactoryTest; 535 final boolean mOnlyCore; 536 final DisplayMetrics mMetrics; 537 final int mDefParseFlags; 538 final String[] mSeparateProcesses; 539 final boolean mIsUpgrade; 540 final boolean mIsPreNUpgrade; 541 542 /** The location for ASEC container files on internal storage. */ 543 final String mAsecInternalPath; 544 545 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 546 // LOCK HELD. Can be called with mInstallLock held. 547 @GuardedBy("mInstallLock") 548 final Installer mInstaller; 549 550 /** Directory where installed third-party apps stored */ 551 final File mAppInstallDir; 552 final File mEphemeralInstallDir; 553 554 /** 555 * Directory to which applications installed internally have their 556 * 32 bit native libraries copied. 557 */ 558 private File mAppLib32InstallDir; 559 560 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 561 // apps. 562 final File mDrmAppPrivateInstallDir; 563 564 // ---------------------------------------------------------------- 565 566 // Lock for state used when installing and doing other long running 567 // operations. Methods that must be called with this lock held have 568 // the suffix "LI". 569 final Object mInstallLock = new Object(); 570 571 // ---------------------------------------------------------------- 572 573 // Keys are String (package name), values are Package. This also serves 574 // as the lock for the global state. Methods that must be called with 575 // this lock held have the prefix "LP". 576 @GuardedBy("mPackages") 577 final ArrayMap<String, PackageParser.Package> mPackages = 578 new ArrayMap<String, PackageParser.Package>(); 579 580 final ArrayMap<String, Set<String>> mKnownCodebase = 581 new ArrayMap<String, Set<String>>(); 582 583 // Tracks available target package names -> overlay package paths. 584 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 585 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 586 587 /** 588 * Tracks new system packages [received in an OTA] that we expect to 589 * find updated user-installed versions. Keys are package name, values 590 * are package location. 591 */ 592 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 593 /** 594 * Tracks high priority intent filters for protected actions. During boot, certain 595 * filter actions are protected and should never be allowed to have a high priority 596 * intent filter for them. However, there is one, and only one exception -- the 597 * setup wizard. It must be able to define a high priority intent filter for these 598 * actions to ensure there are no escapes from the wizard. We need to delay processing 599 * of these during boot as we need to look at all of the system packages in order 600 * to know which component is the setup wizard. 601 */ 602 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 603 /** 604 * Whether or not processing protected filters should be deferred. 605 */ 606 private boolean mDeferProtectedFilters = true; 607 608 /** 609 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 610 */ 611 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 612 /** 613 * Whether or not system app permissions should be promoted from install to runtime. 614 */ 615 boolean mPromoteSystemApps; 616 617 @GuardedBy("mPackages") 618 final Settings mSettings; 619 620 /** 621 * Set of package names that are currently "frozen", which means active 622 * surgery is being done on the code/data for that package. The platform 623 * will refuse to launch frozen packages to avoid race conditions. 624 * 625 * @see PackageFreezer 626 */ 627 @GuardedBy("mPackages") 628 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 629 630 final ProtectedPackages mProtectedPackages; 631 632 boolean mFirstBoot; 633 634 // System configuration read by SystemConfig. 635 final int[] mGlobalGids; 636 final SparseArray<ArraySet<String>> mSystemPermissions; 637 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 638 639 // If mac_permissions.xml was found for seinfo labeling. 640 boolean mFoundPolicyFile; 641 642 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 643 644 public static final class SharedLibraryEntry { 645 public final String path; 646 public final String apk; 647 648 SharedLibraryEntry(String _path, String _apk) { 649 path = _path; 650 apk = _apk; 651 } 652 } 653 654 // Currently known shared libraries. 655 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 656 new ArrayMap<String, SharedLibraryEntry>(); 657 658 // All available activities, for your resolving pleasure. 659 final ActivityIntentResolver mActivities = 660 new ActivityIntentResolver(); 661 662 // All available receivers, for your resolving pleasure. 663 final ActivityIntentResolver mReceivers = 664 new ActivityIntentResolver(); 665 666 // All available services, for your resolving pleasure. 667 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 668 669 // All available providers, for your resolving pleasure. 670 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 671 672 // Mapping from provider base names (first directory in content URI codePath) 673 // to the provider information. 674 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 675 new ArrayMap<String, PackageParser.Provider>(); 676 677 // Mapping from instrumentation class names to info about them. 678 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 679 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 680 681 // Mapping from permission names to info about them. 682 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 683 new ArrayMap<String, PackageParser.PermissionGroup>(); 684 685 // Packages whose data we have transfered into another package, thus 686 // should no longer exist. 687 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 688 689 // Broadcast actions that are only available to the system. 690 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 691 692 /** List of packages waiting for verification. */ 693 final SparseArray<PackageVerificationState> mPendingVerification 694 = new SparseArray<PackageVerificationState>(); 695 696 /** Set of packages associated with each app op permission. */ 697 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 698 699 final PackageInstallerService mInstallerService; 700 701 private final PackageDexOptimizer mPackageDexOptimizer; 702 703 private AtomicInteger mNextMoveId = new AtomicInteger(); 704 private final MoveCallbacks mMoveCallbacks; 705 706 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 707 708 // Cache of users who need badging. 709 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 710 711 /** Token for keys in mPendingVerification. */ 712 private int mPendingVerificationToken = 0; 713 714 volatile boolean mSystemReady; 715 volatile boolean mSafeMode; 716 volatile boolean mHasSystemUidErrors; 717 718 ApplicationInfo mAndroidApplication; 719 final ActivityInfo mResolveActivity = new ActivityInfo(); 720 final ResolveInfo mResolveInfo = new ResolveInfo(); 721 ComponentName mResolveComponentName; 722 PackageParser.Package mPlatformPackage; 723 ComponentName mCustomResolverComponentName; 724 725 boolean mResolverReplaced = false; 726 727 private final @Nullable ComponentName mIntentFilterVerifierComponent; 728 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 729 730 private int mIntentFilterVerificationToken = 0; 731 732 /** Component that knows whether or not an ephemeral application exists */ 733 final ComponentName mEphemeralResolverComponent; 734 /** The service connection to the ephemeral resolver */ 735 final EphemeralResolverConnection mEphemeralResolverConnection; 736 737 /** Component used to install ephemeral applications */ 738 final ComponentName mEphemeralInstallerComponent; 739 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 740 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 741 742 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 743 = new SparseArray<IntentFilterVerificationState>(); 744 745 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 746 new DefaultPermissionGrantPolicy(this); 747 748 // List of packages names to keep cached, even if they are uninstalled for all users 749 private List<String> mKeepUninstalledPackages; 750 751 private UserManagerInternal mUserManagerInternal; 752 753 private static class IFVerificationParams { 754 PackageParser.Package pkg; 755 boolean replacing; 756 int userId; 757 int verifierUid; 758 759 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 760 int _userId, int _verifierUid) { 761 pkg = _pkg; 762 replacing = _replacing; 763 userId = _userId; 764 replacing = _replacing; 765 verifierUid = _verifierUid; 766 } 767 } 768 769 private interface IntentFilterVerifier<T extends IntentFilter> { 770 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 771 T filter, String packageName); 772 void startVerifications(int userId); 773 void receiveVerificationResponse(int verificationId); 774 } 775 776 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 777 private Context mContext; 778 private ComponentName mIntentFilterVerifierComponent; 779 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 780 781 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 782 mContext = context; 783 mIntentFilterVerifierComponent = verifierComponent; 784 } 785 786 private String getDefaultScheme() { 787 return IntentFilter.SCHEME_HTTPS; 788 } 789 790 @Override 791 public void startVerifications(int userId) { 792 // Launch verifications requests 793 int count = mCurrentIntentFilterVerifications.size(); 794 for (int n=0; n<count; n++) { 795 int verificationId = mCurrentIntentFilterVerifications.get(n); 796 final IntentFilterVerificationState ivs = 797 mIntentFilterVerificationStates.get(verificationId); 798 799 String packageName = ivs.getPackageName(); 800 801 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 802 final int filterCount = filters.size(); 803 ArraySet<String> domainsSet = new ArraySet<>(); 804 for (int m=0; m<filterCount; m++) { 805 PackageParser.ActivityIntentInfo filter = filters.get(m); 806 domainsSet.addAll(filter.getHostsList()); 807 } 808 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 809 synchronized (mPackages) { 810 if (mSettings.createIntentFilterVerificationIfNeededLPw( 811 packageName, domainsList) != null) { 812 scheduleWriteSettingsLocked(); 813 } 814 } 815 sendVerificationRequest(userId, verificationId, ivs); 816 } 817 mCurrentIntentFilterVerifications.clear(); 818 } 819 820 private void sendVerificationRequest(int userId, int verificationId, 821 IntentFilterVerificationState ivs) { 822 823 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 824 verificationIntent.putExtra( 825 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 826 verificationId); 827 verificationIntent.putExtra( 828 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 829 getDefaultScheme()); 830 verificationIntent.putExtra( 831 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 832 ivs.getHostsString()); 833 verificationIntent.putExtra( 834 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 835 ivs.getPackageName()); 836 verificationIntent.setComponent(mIntentFilterVerifierComponent); 837 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 838 839 UserHandle user = new UserHandle(userId); 840 mContext.sendBroadcastAsUser(verificationIntent, user); 841 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 842 "Sending IntentFilter verification broadcast"); 843 } 844 845 public void receiveVerificationResponse(int verificationId) { 846 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 847 848 final boolean verified = ivs.isVerified(); 849 850 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 851 final int count = filters.size(); 852 if (DEBUG_DOMAIN_VERIFICATION) { 853 Slog.i(TAG, "Received verification response " + verificationId 854 + " for " + count + " filters, verified=" + verified); 855 } 856 for (int n=0; n<count; n++) { 857 PackageParser.ActivityIntentInfo filter = filters.get(n); 858 filter.setVerified(verified); 859 860 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 861 + " verified with result:" + verified + " and hosts:" 862 + ivs.getHostsString()); 863 } 864 865 mIntentFilterVerificationStates.remove(verificationId); 866 867 final String packageName = ivs.getPackageName(); 868 IntentFilterVerificationInfo ivi = null; 869 870 synchronized (mPackages) { 871 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 872 } 873 if (ivi == null) { 874 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 875 + verificationId + " packageName:" + packageName); 876 return; 877 } 878 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 879 "Updating IntentFilterVerificationInfo for package " + packageName 880 +" verificationId:" + verificationId); 881 882 synchronized (mPackages) { 883 if (verified) { 884 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 885 } else { 886 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 887 } 888 scheduleWriteSettingsLocked(); 889 890 final int userId = ivs.getUserId(); 891 if (userId != UserHandle.USER_ALL) { 892 final int userStatus = 893 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 894 895 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 896 boolean needUpdate = false; 897 898 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 899 // already been set by the User thru the Disambiguation dialog 900 switch (userStatus) { 901 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 902 if (verified) { 903 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 904 } else { 905 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 906 } 907 needUpdate = true; 908 break; 909 910 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 911 if (verified) { 912 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 913 needUpdate = true; 914 } 915 break; 916 917 default: 918 // Nothing to do 919 } 920 921 if (needUpdate) { 922 mSettings.updateIntentFilterVerificationStatusLPw( 923 packageName, updatedStatus, userId); 924 scheduleWritePackageRestrictionsLocked(userId); 925 } 926 } 927 } 928 } 929 930 @Override 931 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 932 ActivityIntentInfo filter, String packageName) { 933 if (!hasValidDomains(filter)) { 934 return false; 935 } 936 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 937 if (ivs == null) { 938 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 939 packageName); 940 } 941 if (DEBUG_DOMAIN_VERIFICATION) { 942 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 943 } 944 ivs.addFilter(filter); 945 return true; 946 } 947 948 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 949 int userId, int verificationId, String packageName) { 950 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 951 verifierUid, userId, packageName); 952 ivs.setPendingState(); 953 synchronized (mPackages) { 954 mIntentFilterVerificationStates.append(verificationId, ivs); 955 mCurrentIntentFilterVerifications.add(verificationId); 956 } 957 return ivs; 958 } 959 } 960 961 private static boolean hasValidDomains(ActivityIntentInfo filter) { 962 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 963 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 964 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 965 } 966 967 // Set of pending broadcasts for aggregating enable/disable of components. 968 static class PendingPackageBroadcasts { 969 // for each user id, a map of <package name -> components within that package> 970 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 971 972 public PendingPackageBroadcasts() { 973 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 974 } 975 976 public ArrayList<String> get(int userId, String packageName) { 977 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 978 return packages.get(packageName); 979 } 980 981 public void put(int userId, String packageName, ArrayList<String> components) { 982 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 983 packages.put(packageName, components); 984 } 985 986 public void remove(int userId, String packageName) { 987 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 988 if (packages != null) { 989 packages.remove(packageName); 990 } 991 } 992 993 public void remove(int userId) { 994 mUidMap.remove(userId); 995 } 996 997 public int userIdCount() { 998 return mUidMap.size(); 999 } 1000 1001 public int userIdAt(int n) { 1002 return mUidMap.keyAt(n); 1003 } 1004 1005 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1006 return mUidMap.get(userId); 1007 } 1008 1009 public int size() { 1010 // total number of pending broadcast entries across all userIds 1011 int num = 0; 1012 for (int i = 0; i< mUidMap.size(); i++) { 1013 num += mUidMap.valueAt(i).size(); 1014 } 1015 return num; 1016 } 1017 1018 public void clear() { 1019 mUidMap.clear(); 1020 } 1021 1022 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1023 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1024 if (map == null) { 1025 map = new ArrayMap<String, ArrayList<String>>(); 1026 mUidMap.put(userId, map); 1027 } 1028 return map; 1029 } 1030 } 1031 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1032 1033 // Service Connection to remote media container service to copy 1034 // package uri's from external media onto secure containers 1035 // or internal storage. 1036 private IMediaContainerService mContainerService = null; 1037 1038 static final int SEND_PENDING_BROADCAST = 1; 1039 static final int MCS_BOUND = 3; 1040 static final int END_COPY = 4; 1041 static final int INIT_COPY = 5; 1042 static final int MCS_UNBIND = 6; 1043 static final int START_CLEANING_PACKAGE = 7; 1044 static final int FIND_INSTALL_LOC = 8; 1045 static final int POST_INSTALL = 9; 1046 static final int MCS_RECONNECT = 10; 1047 static final int MCS_GIVE_UP = 11; 1048 static final int UPDATED_MEDIA_STATUS = 12; 1049 static final int WRITE_SETTINGS = 13; 1050 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1051 static final int PACKAGE_VERIFIED = 15; 1052 static final int CHECK_PENDING_VERIFICATION = 16; 1053 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1054 static final int INTENT_FILTER_VERIFIED = 18; 1055 static final int WRITE_PACKAGE_LIST = 19; 1056 1057 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1058 1059 // Delay time in millisecs 1060 static final int BROADCAST_DELAY = 10 * 1000; 1061 1062 static UserManagerService sUserManager; 1063 1064 // Stores a list of users whose package restrictions file needs to be updated 1065 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1066 1067 final private DefaultContainerConnection mDefContainerConn = 1068 new DefaultContainerConnection(); 1069 class DefaultContainerConnection implements ServiceConnection { 1070 public void onServiceConnected(ComponentName name, IBinder service) { 1071 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1072 IMediaContainerService imcs = 1073 IMediaContainerService.Stub.asInterface(service); 1074 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1075 } 1076 1077 public void onServiceDisconnected(ComponentName name) { 1078 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1079 } 1080 } 1081 1082 // Recordkeeping of restore-after-install operations that are currently in flight 1083 // between the Package Manager and the Backup Manager 1084 static class PostInstallData { 1085 public InstallArgs args; 1086 public PackageInstalledInfo res; 1087 1088 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1089 args = _a; 1090 res = _r; 1091 } 1092 } 1093 1094 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1095 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1096 1097 // XML tags for backup/restore of various bits of state 1098 private static final String TAG_PREFERRED_BACKUP = "pa"; 1099 private static final String TAG_DEFAULT_APPS = "da"; 1100 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1101 1102 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1103 private static final String TAG_ALL_GRANTS = "rt-grants"; 1104 private static final String TAG_GRANT = "grant"; 1105 private static final String ATTR_PACKAGE_NAME = "pkg"; 1106 1107 private static final String TAG_PERMISSION = "perm"; 1108 private static final String ATTR_PERMISSION_NAME = "name"; 1109 private static final String ATTR_IS_GRANTED = "g"; 1110 private static final String ATTR_USER_SET = "set"; 1111 private static final String ATTR_USER_FIXED = "fixed"; 1112 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1113 1114 // System/policy permission grants are not backed up 1115 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1116 FLAG_PERMISSION_POLICY_FIXED 1117 | FLAG_PERMISSION_SYSTEM_FIXED 1118 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1119 1120 // And we back up these user-adjusted states 1121 private static final int USER_RUNTIME_GRANT_MASK = 1122 FLAG_PERMISSION_USER_SET 1123 | FLAG_PERMISSION_USER_FIXED 1124 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1125 1126 final @Nullable String mRequiredVerifierPackage; 1127 final @NonNull String mRequiredInstallerPackage; 1128 final @Nullable String mSetupWizardPackage; 1129 final @NonNull String mServicesSystemSharedLibraryPackageName; 1130 final @NonNull String mSharedSystemSharedLibraryPackageName; 1131 1132 private final PackageUsage mPackageUsage = new PackageUsage(); 1133 1134 private class PackageUsage { 1135 private static final int WRITE_INTERVAL 1136 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1137 1138 private final Object mFileLock = new Object(); 1139 private final AtomicLong mLastWritten = new AtomicLong(0); 1140 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1141 1142 private boolean mIsHistoricalPackageUsageAvailable = true; 1143 1144 boolean isHistoricalPackageUsageAvailable() { 1145 return mIsHistoricalPackageUsageAvailable; 1146 } 1147 1148 void write(boolean force) { 1149 if (force) { 1150 writeInternal(); 1151 return; 1152 } 1153 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1154 && !DEBUG_DEXOPT) { 1155 return; 1156 } 1157 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1158 new Thread("PackageUsage_DiskWriter") { 1159 @Override 1160 public void run() { 1161 try { 1162 writeInternal(); 1163 } finally { 1164 mBackgroundWriteRunning.set(false); 1165 } 1166 } 1167 }.start(); 1168 } 1169 } 1170 1171 private void writeInternal() { 1172 synchronized (mPackages) { 1173 synchronized (mFileLock) { 1174 AtomicFile file = getFile(); 1175 FileOutputStream f = null; 1176 try { 1177 f = file.startWrite(); 1178 BufferedOutputStream out = new BufferedOutputStream(f); 1179 FileUtils.setPermissions(file.getBaseFile().getPath(), 1180 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1181 StringBuilder sb = new StringBuilder(); 1182 1183 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1184 sb.append('\n'); 1185 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1186 1187 for (PackageParser.Package pkg : mPackages.values()) { 1188 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1189 continue; 1190 } 1191 sb.setLength(0); 1192 sb.append(pkg.packageName); 1193 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1194 sb.append(' '); 1195 sb.append(usageTimeInMillis); 1196 } 1197 sb.append('\n'); 1198 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1199 } 1200 out.flush(); 1201 file.finishWrite(f); 1202 } catch (IOException e) { 1203 if (f != null) { 1204 file.failWrite(f); 1205 } 1206 Log.e(TAG, "Failed to write package usage times", e); 1207 } 1208 } 1209 } 1210 mLastWritten.set(SystemClock.elapsedRealtime()); 1211 } 1212 1213 void readLP() { 1214 synchronized (mFileLock) { 1215 AtomicFile file = getFile(); 1216 BufferedInputStream in = null; 1217 try { 1218 in = new BufferedInputStream(file.openRead()); 1219 StringBuffer sb = new StringBuffer(); 1220 1221 String firstLine = readLine(in, sb); 1222 if (firstLine == null) { 1223 // Empty file. Do nothing. 1224 } else if (USAGE_FILE_MAGIC_VERSION_1.equals(firstLine)) { 1225 readVersion1LP(in, sb); 1226 } else { 1227 readVersion0LP(in, sb, firstLine); 1228 } 1229 } catch (FileNotFoundException expected) { 1230 mIsHistoricalPackageUsageAvailable = false; 1231 } catch (IOException e) { 1232 Log.w(TAG, "Failed to read package usage times", e); 1233 } finally { 1234 IoUtils.closeQuietly(in); 1235 } 1236 } 1237 mLastWritten.set(SystemClock.elapsedRealtime()); 1238 } 1239 1240 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1241 throws IOException { 1242 // Initial version of the file had no version number and stored one 1243 // package-timestamp pair per line. 1244 // Note that the first line has already been read from the InputStream. 1245 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1246 String[] tokens = line.split(" "); 1247 if (tokens.length != 2) { 1248 throw new IOException("Failed to parse " + line + 1249 " as package-timestamp pair."); 1250 } 1251 1252 String packageName = tokens[0]; 1253 PackageParser.Package pkg = mPackages.get(packageName); 1254 if (pkg == null) { 1255 continue; 1256 } 1257 1258 long timestamp = parseAsLong(tokens[1]); 1259 for (int reason = 0; 1260 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1261 reason++) { 1262 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1263 } 1264 } 1265 } 1266 1267 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1268 // Version 1 of the file started with the corresponding version 1269 // number and then stored a package name and eight timestamps per line. 1270 String line; 1271 while ((line = readLine(in, sb)) != null) { 1272 String[] tokens = line.split(" "); 1273 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1274 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1275 } 1276 1277 String packageName = tokens[0]; 1278 PackageParser.Package pkg = mPackages.get(packageName); 1279 if (pkg == null) { 1280 continue; 1281 } 1282 1283 for (int reason = 0; 1284 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1285 reason++) { 1286 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1287 } 1288 } 1289 } 1290 1291 private long parseAsLong(String token) throws IOException { 1292 try { 1293 return Long.parseLong(token); 1294 } catch (NumberFormatException e) { 1295 throw new IOException("Failed to parse " + token + " as a long.", e); 1296 } 1297 } 1298 1299 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1300 return readToken(in, sb, '\n'); 1301 } 1302 1303 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1304 throws IOException { 1305 sb.setLength(0); 1306 while (true) { 1307 int ch = in.read(); 1308 if (ch == -1) { 1309 if (sb.length() == 0) { 1310 return null; 1311 } 1312 throw new IOException("Unexpected EOF"); 1313 } 1314 if (ch == endOfToken) { 1315 return sb.toString(); 1316 } 1317 sb.append((char)ch); 1318 } 1319 } 1320 1321 private AtomicFile getFile() { 1322 File dataDir = Environment.getDataDirectory(); 1323 File systemDir = new File(dataDir, "system"); 1324 File fname = new File(systemDir, "package-usage.list"); 1325 return new AtomicFile(fname); 1326 } 1327 1328 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1329 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1330 } 1331 1332 class PackageHandler extends Handler { 1333 private boolean mBound = false; 1334 final ArrayList<HandlerParams> mPendingInstalls = 1335 new ArrayList<HandlerParams>(); 1336 1337 private boolean connectToService() { 1338 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1339 " DefaultContainerService"); 1340 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1341 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1342 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1343 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1344 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1345 mBound = true; 1346 return true; 1347 } 1348 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1349 return false; 1350 } 1351 1352 private void disconnectService() { 1353 mContainerService = null; 1354 mBound = false; 1355 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1356 mContext.unbindService(mDefContainerConn); 1357 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1358 } 1359 1360 PackageHandler(Looper looper) { 1361 super(looper); 1362 } 1363 1364 public void handleMessage(Message msg) { 1365 try { 1366 doHandleMessage(msg); 1367 } finally { 1368 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1369 } 1370 } 1371 1372 void doHandleMessage(Message msg) { 1373 switch (msg.what) { 1374 case INIT_COPY: { 1375 HandlerParams params = (HandlerParams) msg.obj; 1376 int idx = mPendingInstalls.size(); 1377 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1378 // If a bind was already initiated we dont really 1379 // need to do anything. The pending install 1380 // will be processed later on. 1381 if (!mBound) { 1382 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1383 System.identityHashCode(mHandler)); 1384 // If this is the only one pending we might 1385 // have to bind to the service again. 1386 if (!connectToService()) { 1387 Slog.e(TAG, "Failed to bind to media container service"); 1388 params.serviceError(); 1389 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1390 System.identityHashCode(mHandler)); 1391 if (params.traceMethod != null) { 1392 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1393 params.traceCookie); 1394 } 1395 return; 1396 } else { 1397 // Once we bind to the service, the first 1398 // pending request will be processed. 1399 mPendingInstalls.add(idx, params); 1400 } 1401 } else { 1402 mPendingInstalls.add(idx, params); 1403 // Already bound to the service. Just make 1404 // sure we trigger off processing the first request. 1405 if (idx == 0) { 1406 mHandler.sendEmptyMessage(MCS_BOUND); 1407 } 1408 } 1409 break; 1410 } 1411 case MCS_BOUND: { 1412 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1413 if (msg.obj != null) { 1414 mContainerService = (IMediaContainerService) msg.obj; 1415 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1416 System.identityHashCode(mHandler)); 1417 } 1418 if (mContainerService == null) { 1419 if (!mBound) { 1420 // Something seriously wrong since we are not bound and we are not 1421 // waiting for connection. Bail out. 1422 Slog.e(TAG, "Cannot bind to media container service"); 1423 for (HandlerParams params : mPendingInstalls) { 1424 // Indicate service bind error 1425 params.serviceError(); 1426 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1427 System.identityHashCode(params)); 1428 if (params.traceMethod != null) { 1429 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1430 params.traceMethod, params.traceCookie); 1431 } 1432 return; 1433 } 1434 mPendingInstalls.clear(); 1435 } else { 1436 Slog.w(TAG, "Waiting to connect to media container service"); 1437 } 1438 } else if (mPendingInstalls.size() > 0) { 1439 HandlerParams params = mPendingInstalls.get(0); 1440 if (params != null) { 1441 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1442 System.identityHashCode(params)); 1443 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1444 if (params.startCopy()) { 1445 // We are done... look for more work or to 1446 // go idle. 1447 if (DEBUG_SD_INSTALL) Log.i(TAG, 1448 "Checking for more work or unbind..."); 1449 // Delete pending install 1450 if (mPendingInstalls.size() > 0) { 1451 mPendingInstalls.remove(0); 1452 } 1453 if (mPendingInstalls.size() == 0) { 1454 if (mBound) { 1455 if (DEBUG_SD_INSTALL) Log.i(TAG, 1456 "Posting delayed MCS_UNBIND"); 1457 removeMessages(MCS_UNBIND); 1458 Message ubmsg = obtainMessage(MCS_UNBIND); 1459 // Unbind after a little delay, to avoid 1460 // continual thrashing. 1461 sendMessageDelayed(ubmsg, 10000); 1462 } 1463 } else { 1464 // There are more pending requests in queue. 1465 // Just post MCS_BOUND message to trigger processing 1466 // of next pending install. 1467 if (DEBUG_SD_INSTALL) Log.i(TAG, 1468 "Posting MCS_BOUND for next work"); 1469 mHandler.sendEmptyMessage(MCS_BOUND); 1470 } 1471 } 1472 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1473 } 1474 } else { 1475 // Should never happen ideally. 1476 Slog.w(TAG, "Empty queue"); 1477 } 1478 break; 1479 } 1480 case MCS_RECONNECT: { 1481 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1482 if (mPendingInstalls.size() > 0) { 1483 if (mBound) { 1484 disconnectService(); 1485 } 1486 if (!connectToService()) { 1487 Slog.e(TAG, "Failed to bind to media container service"); 1488 for (HandlerParams params : mPendingInstalls) { 1489 // Indicate service bind error 1490 params.serviceError(); 1491 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1492 System.identityHashCode(params)); 1493 } 1494 mPendingInstalls.clear(); 1495 } 1496 } 1497 break; 1498 } 1499 case MCS_UNBIND: { 1500 // If there is no actual work left, then time to unbind. 1501 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1502 1503 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1504 if (mBound) { 1505 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1506 1507 disconnectService(); 1508 } 1509 } else if (mPendingInstalls.size() > 0) { 1510 // There are more pending requests in queue. 1511 // Just post MCS_BOUND message to trigger processing 1512 // of next pending install. 1513 mHandler.sendEmptyMessage(MCS_BOUND); 1514 } 1515 1516 break; 1517 } 1518 case MCS_GIVE_UP: { 1519 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1520 HandlerParams params = mPendingInstalls.remove(0); 1521 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1522 System.identityHashCode(params)); 1523 break; 1524 } 1525 case SEND_PENDING_BROADCAST: { 1526 String packages[]; 1527 ArrayList<String> components[]; 1528 int size = 0; 1529 int uids[]; 1530 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1531 synchronized (mPackages) { 1532 if (mPendingBroadcasts == null) { 1533 return; 1534 } 1535 size = mPendingBroadcasts.size(); 1536 if (size <= 0) { 1537 // Nothing to be done. Just return 1538 return; 1539 } 1540 packages = new String[size]; 1541 components = new ArrayList[size]; 1542 uids = new int[size]; 1543 int i = 0; // filling out the above arrays 1544 1545 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1546 int packageUserId = mPendingBroadcasts.userIdAt(n); 1547 Iterator<Map.Entry<String, ArrayList<String>>> it 1548 = mPendingBroadcasts.packagesForUserId(packageUserId) 1549 .entrySet().iterator(); 1550 while (it.hasNext() && i < size) { 1551 Map.Entry<String, ArrayList<String>> ent = it.next(); 1552 packages[i] = ent.getKey(); 1553 components[i] = ent.getValue(); 1554 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1555 uids[i] = (ps != null) 1556 ? UserHandle.getUid(packageUserId, ps.appId) 1557 : -1; 1558 i++; 1559 } 1560 } 1561 size = i; 1562 mPendingBroadcasts.clear(); 1563 } 1564 // Send broadcasts 1565 for (int i = 0; i < size; i++) { 1566 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1567 } 1568 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1569 break; 1570 } 1571 case START_CLEANING_PACKAGE: { 1572 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1573 final String packageName = (String)msg.obj; 1574 final int userId = msg.arg1; 1575 final boolean andCode = msg.arg2 != 0; 1576 synchronized (mPackages) { 1577 if (userId == UserHandle.USER_ALL) { 1578 int[] users = sUserManager.getUserIds(); 1579 for (int user : users) { 1580 mSettings.addPackageToCleanLPw( 1581 new PackageCleanItem(user, packageName, andCode)); 1582 } 1583 } else { 1584 mSettings.addPackageToCleanLPw( 1585 new PackageCleanItem(userId, packageName, andCode)); 1586 } 1587 } 1588 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1589 startCleaningPackages(); 1590 } break; 1591 case POST_INSTALL: { 1592 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1593 1594 PostInstallData data = mRunningInstalls.get(msg.arg1); 1595 final boolean didRestore = (msg.arg2 != 0); 1596 mRunningInstalls.delete(msg.arg1); 1597 1598 if (data != null) { 1599 InstallArgs args = data.args; 1600 PackageInstalledInfo parentRes = data.res; 1601 1602 final boolean grantPermissions = (args.installFlags 1603 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1604 final boolean killApp = (args.installFlags 1605 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1606 final String[] grantedPermissions = args.installGrantPermissions; 1607 1608 // Handle the parent package 1609 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1610 grantedPermissions, didRestore, args.installerPackageName, 1611 args.observer); 1612 1613 // Handle the child packages 1614 final int childCount = (parentRes.addedChildPackages != null) 1615 ? parentRes.addedChildPackages.size() : 0; 1616 for (int i = 0; i < childCount; i++) { 1617 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1618 handlePackagePostInstall(childRes, grantPermissions, killApp, 1619 grantedPermissions, false, args.installerPackageName, 1620 args.observer); 1621 } 1622 1623 // Log tracing if needed 1624 if (args.traceMethod != null) { 1625 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1626 args.traceCookie); 1627 } 1628 } else { 1629 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1630 } 1631 1632 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1633 } break; 1634 case UPDATED_MEDIA_STATUS: { 1635 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1636 boolean reportStatus = msg.arg1 == 1; 1637 boolean doGc = msg.arg2 == 1; 1638 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1639 if (doGc) { 1640 // Force a gc to clear up stale containers. 1641 Runtime.getRuntime().gc(); 1642 } 1643 if (msg.obj != null) { 1644 @SuppressWarnings("unchecked") 1645 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1646 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1647 // Unload containers 1648 unloadAllContainers(args); 1649 } 1650 if (reportStatus) { 1651 try { 1652 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1653 PackageHelper.getMountService().finishMediaUpdate(); 1654 } catch (RemoteException e) { 1655 Log.e(TAG, "MountService not running?"); 1656 } 1657 } 1658 } break; 1659 case WRITE_SETTINGS: { 1660 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1661 synchronized (mPackages) { 1662 removeMessages(WRITE_SETTINGS); 1663 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1664 mSettings.writeLPr(); 1665 mDirtyUsers.clear(); 1666 } 1667 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1668 } break; 1669 case WRITE_PACKAGE_RESTRICTIONS: { 1670 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1671 synchronized (mPackages) { 1672 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1673 for (int userId : mDirtyUsers) { 1674 mSettings.writePackageRestrictionsLPr(userId); 1675 } 1676 mDirtyUsers.clear(); 1677 } 1678 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1679 } break; 1680 case WRITE_PACKAGE_LIST: { 1681 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1682 synchronized (mPackages) { 1683 removeMessages(WRITE_PACKAGE_LIST); 1684 mSettings.writePackageListLPr(msg.arg1); 1685 } 1686 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1687 } break; 1688 case CHECK_PENDING_VERIFICATION: { 1689 final int verificationId = msg.arg1; 1690 final PackageVerificationState state = mPendingVerification.get(verificationId); 1691 1692 if ((state != null) && !state.timeoutExtended()) { 1693 final InstallArgs args = state.getInstallArgs(); 1694 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1695 1696 Slog.i(TAG, "Verification timed out for " + originUri); 1697 mPendingVerification.remove(verificationId); 1698 1699 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1700 1701 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1702 Slog.i(TAG, "Continuing with installation of " + originUri); 1703 state.setVerifierResponse(Binder.getCallingUid(), 1704 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1705 broadcastPackageVerified(verificationId, originUri, 1706 PackageManager.VERIFICATION_ALLOW, 1707 state.getInstallArgs().getUser()); 1708 try { 1709 ret = args.copyApk(mContainerService, true); 1710 } catch (RemoteException e) { 1711 Slog.e(TAG, "Could not contact the ContainerService"); 1712 } 1713 } else { 1714 broadcastPackageVerified(verificationId, originUri, 1715 PackageManager.VERIFICATION_REJECT, 1716 state.getInstallArgs().getUser()); 1717 } 1718 1719 Trace.asyncTraceEnd( 1720 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1721 1722 processPendingInstall(args, ret); 1723 mHandler.sendEmptyMessage(MCS_UNBIND); 1724 } 1725 break; 1726 } 1727 case PACKAGE_VERIFIED: { 1728 final int verificationId = msg.arg1; 1729 1730 final PackageVerificationState state = mPendingVerification.get(verificationId); 1731 if (state == null) { 1732 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1733 break; 1734 } 1735 1736 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1737 1738 state.setVerifierResponse(response.callerUid, response.code); 1739 1740 if (state.isVerificationComplete()) { 1741 mPendingVerification.remove(verificationId); 1742 1743 final InstallArgs args = state.getInstallArgs(); 1744 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1745 1746 int ret; 1747 if (state.isInstallAllowed()) { 1748 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1749 broadcastPackageVerified(verificationId, originUri, 1750 response.code, state.getInstallArgs().getUser()); 1751 try { 1752 ret = args.copyApk(mContainerService, true); 1753 } catch (RemoteException e) { 1754 Slog.e(TAG, "Could not contact the ContainerService"); 1755 } 1756 } else { 1757 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1758 } 1759 1760 Trace.asyncTraceEnd( 1761 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1762 1763 processPendingInstall(args, ret); 1764 mHandler.sendEmptyMessage(MCS_UNBIND); 1765 } 1766 1767 break; 1768 } 1769 case START_INTENT_FILTER_VERIFICATIONS: { 1770 IFVerificationParams params = (IFVerificationParams) msg.obj; 1771 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1772 params.replacing, params.pkg); 1773 break; 1774 } 1775 case INTENT_FILTER_VERIFIED: { 1776 final int verificationId = msg.arg1; 1777 1778 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1779 verificationId); 1780 if (state == null) { 1781 Slog.w(TAG, "Invalid IntentFilter verification token " 1782 + verificationId + " received"); 1783 break; 1784 } 1785 1786 final int userId = state.getUserId(); 1787 1788 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1789 "Processing IntentFilter verification with token:" 1790 + verificationId + " and userId:" + userId); 1791 1792 final IntentFilterVerificationResponse response = 1793 (IntentFilterVerificationResponse) msg.obj; 1794 1795 state.setVerifierResponse(response.callerUid, response.code); 1796 1797 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1798 "IntentFilter verification with token:" + verificationId 1799 + " and userId:" + userId 1800 + " is settings verifier response with response code:" 1801 + response.code); 1802 1803 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1804 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1805 + response.getFailedDomainsString()); 1806 } 1807 1808 if (state.isVerificationComplete()) { 1809 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1810 } else { 1811 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1812 "IntentFilter verification with token:" + verificationId 1813 + " was not said to be complete"); 1814 } 1815 1816 break; 1817 } 1818 } 1819 } 1820 } 1821 1822 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1823 boolean killApp, String[] grantedPermissions, 1824 boolean launchedForRestore, String installerPackage, 1825 IPackageInstallObserver2 installObserver) { 1826 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1827 // Send the removed broadcasts 1828 if (res.removedInfo != null) { 1829 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1830 } 1831 1832 // Now that we successfully installed the package, grant runtime 1833 // permissions if requested before broadcasting the install. 1834 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1835 >= Build.VERSION_CODES.M) { 1836 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1837 } 1838 1839 final boolean update = res.removedInfo != null 1840 && res.removedInfo.removedPackage != null; 1841 1842 // If this is the first time we have child packages for a disabled privileged 1843 // app that had no children, we grant requested runtime permissions to the new 1844 // children if the parent on the system image had them already granted. 1845 if (res.pkg.parentPackage != null) { 1846 synchronized (mPackages) { 1847 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1848 } 1849 } 1850 1851 synchronized (mPackages) { 1852 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1853 } 1854 1855 final String packageName = res.pkg.applicationInfo.packageName; 1856 Bundle extras = new Bundle(1); 1857 extras.putInt(Intent.EXTRA_UID, res.uid); 1858 1859 // Determine the set of users who are adding this package for 1860 // the first time vs. those who are seeing an update. 1861 int[] firstUsers = EMPTY_INT_ARRAY; 1862 int[] updateUsers = EMPTY_INT_ARRAY; 1863 if (res.origUsers == null || res.origUsers.length == 0) { 1864 firstUsers = res.newUsers; 1865 } else { 1866 for (int newUser : res.newUsers) { 1867 boolean isNew = true; 1868 for (int origUser : res.origUsers) { 1869 if (origUser == newUser) { 1870 isNew = false; 1871 break; 1872 } 1873 } 1874 if (isNew) { 1875 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1876 } else { 1877 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1878 } 1879 } 1880 } 1881 1882 // Send installed broadcasts if the install/update is not ephemeral 1883 if (!isEphemeral(res.pkg)) { 1884 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1885 1886 // Send added for users that see the package for the first time 1887 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1888 extras, 0 /*flags*/, null /*targetPackage*/, 1889 null /*finishedReceiver*/, firstUsers); 1890 1891 // Send added for users that don't see the package for the first time 1892 if (update) { 1893 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1894 } 1895 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1896 extras, 0 /*flags*/, null /*targetPackage*/, 1897 null /*finishedReceiver*/, updateUsers); 1898 1899 // Send replaced for users that don't see the package for the first time 1900 if (update) { 1901 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1902 packageName, extras, 0 /*flags*/, 1903 null /*targetPackage*/, null /*finishedReceiver*/, 1904 updateUsers); 1905 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1906 null /*package*/, null /*extras*/, 0 /*flags*/, 1907 packageName /*targetPackage*/, 1908 null /*finishedReceiver*/, updateUsers); 1909 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1910 // First-install and we did a restore, so we're responsible for the 1911 // first-launch broadcast. 1912 if (DEBUG_BACKUP) { 1913 Slog.i(TAG, "Post-restore of " + packageName 1914 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1915 } 1916 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1917 } 1918 1919 // Send broadcast package appeared if forward locked/external for all users 1920 // treat asec-hosted packages like removable media on upgrade 1921 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1922 if (DEBUG_INSTALL) { 1923 Slog.i(TAG, "upgrading pkg " + res.pkg 1924 + " is ASEC-hosted -> AVAILABLE"); 1925 } 1926 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1927 ArrayList<String> pkgList = new ArrayList<>(1); 1928 pkgList.add(packageName); 1929 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1930 } 1931 } 1932 1933 // Work that needs to happen on first install within each user 1934 if (firstUsers != null && firstUsers.length > 0) { 1935 synchronized (mPackages) { 1936 for (int userId : firstUsers) { 1937 // If this app is a browser and it's newly-installed for some 1938 // users, clear any default-browser state in those users. The 1939 // app's nature doesn't depend on the user, so we can just check 1940 // its browser nature in any user and generalize. 1941 if (packageIsBrowser(packageName, userId)) { 1942 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1943 } 1944 1945 // We may also need to apply pending (restored) runtime 1946 // permission grants within these users. 1947 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1948 } 1949 } 1950 } 1951 1952 // Log current value of "unknown sources" setting 1953 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1954 getUnknownSourcesSettings()); 1955 1956 // Force a gc to clear up things 1957 Runtime.getRuntime().gc(); 1958 1959 // Remove the replaced package's older resources safely now 1960 // We delete after a gc for applications on sdcard. 1961 if (res.removedInfo != null && res.removedInfo.args != null) { 1962 synchronized (mInstallLock) { 1963 res.removedInfo.args.doPostDeleteLI(true); 1964 } 1965 } 1966 } 1967 1968 // If someone is watching installs - notify them 1969 if (installObserver != null) { 1970 try { 1971 Bundle extras = extrasForInstallResult(res); 1972 installObserver.onPackageInstalled(res.name, res.returnCode, 1973 res.returnMsg, extras); 1974 } catch (RemoteException e) { 1975 Slog.i(TAG, "Observer no longer exists."); 1976 } 1977 } 1978 } 1979 1980 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1981 PackageParser.Package pkg) { 1982 if (pkg.parentPackage == null) { 1983 return; 1984 } 1985 if (pkg.requestedPermissions == null) { 1986 return; 1987 } 1988 final PackageSetting disabledSysParentPs = mSettings 1989 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1990 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1991 || !disabledSysParentPs.isPrivileged() 1992 || (disabledSysParentPs.childPackageNames != null 1993 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1994 return; 1995 } 1996 final int[] allUserIds = sUserManager.getUserIds(); 1997 final int permCount = pkg.requestedPermissions.size(); 1998 for (int i = 0; i < permCount; i++) { 1999 String permission = pkg.requestedPermissions.get(i); 2000 BasePermission bp = mSettings.mPermissions.get(permission); 2001 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 2002 continue; 2003 } 2004 for (int userId : allUserIds) { 2005 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 2006 permission, userId)) { 2007 grantRuntimePermission(pkg.packageName, permission, userId); 2008 } 2009 } 2010 } 2011 } 2012 2013 private StorageEventListener mStorageListener = new StorageEventListener() { 2014 @Override 2015 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2016 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2017 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2018 final String volumeUuid = vol.getFsUuid(); 2019 2020 // Clean up any users or apps that were removed or recreated 2021 // while this volume was missing 2022 reconcileUsers(volumeUuid); 2023 reconcileApps(volumeUuid); 2024 2025 // Clean up any install sessions that expired or were 2026 // cancelled while this volume was missing 2027 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2028 2029 loadPrivatePackages(vol); 2030 2031 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2032 unloadPrivatePackages(vol); 2033 } 2034 } 2035 2036 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2037 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2038 updateExternalMediaStatus(true, false); 2039 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2040 updateExternalMediaStatus(false, false); 2041 } 2042 } 2043 } 2044 2045 @Override 2046 public void onVolumeForgotten(String fsUuid) { 2047 if (TextUtils.isEmpty(fsUuid)) { 2048 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2049 return; 2050 } 2051 2052 // Remove any apps installed on the forgotten volume 2053 synchronized (mPackages) { 2054 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2055 for (PackageSetting ps : packages) { 2056 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2057 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2058 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2059 } 2060 2061 mSettings.onVolumeForgotten(fsUuid); 2062 mSettings.writeLPr(); 2063 } 2064 } 2065 }; 2066 2067 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2068 String[] grantedPermissions) { 2069 for (int userId : userIds) { 2070 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2071 } 2072 2073 // We could have touched GID membership, so flush out packages.list 2074 synchronized (mPackages) { 2075 mSettings.writePackageListLPr(); 2076 } 2077 } 2078 2079 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2080 String[] grantedPermissions) { 2081 SettingBase sb = (SettingBase) pkg.mExtras; 2082 if (sb == null) { 2083 return; 2084 } 2085 2086 PermissionsState permissionsState = sb.getPermissionsState(); 2087 2088 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2089 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2090 2091 for (String permission : pkg.requestedPermissions) { 2092 final BasePermission bp; 2093 synchronized (mPackages) { 2094 bp = mSettings.mPermissions.get(permission); 2095 } 2096 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2097 && (grantedPermissions == null 2098 || ArrayUtils.contains(grantedPermissions, permission))) { 2099 final int flags = permissionsState.getPermissionFlags(permission, userId); 2100 // Installer cannot change immutable permissions. 2101 if ((flags & immutableFlags) == 0) { 2102 grantRuntimePermission(pkg.packageName, permission, userId); 2103 } 2104 } 2105 } 2106 } 2107 2108 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2109 Bundle extras = null; 2110 switch (res.returnCode) { 2111 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2112 extras = new Bundle(); 2113 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2114 res.origPermission); 2115 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2116 res.origPackage); 2117 break; 2118 } 2119 case PackageManager.INSTALL_SUCCEEDED: { 2120 extras = new Bundle(); 2121 extras.putBoolean(Intent.EXTRA_REPLACING, 2122 res.removedInfo != null && res.removedInfo.removedPackage != null); 2123 break; 2124 } 2125 } 2126 return extras; 2127 } 2128 2129 void scheduleWriteSettingsLocked() { 2130 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2131 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2132 } 2133 } 2134 2135 void scheduleWritePackageListLocked(int userId) { 2136 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2137 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2138 msg.arg1 = userId; 2139 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2140 } 2141 } 2142 2143 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2144 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2145 scheduleWritePackageRestrictionsLocked(userId); 2146 } 2147 2148 void scheduleWritePackageRestrictionsLocked(int userId) { 2149 final int[] userIds = (userId == UserHandle.USER_ALL) 2150 ? sUserManager.getUserIds() : new int[]{userId}; 2151 for (int nextUserId : userIds) { 2152 if (!sUserManager.exists(nextUserId)) return; 2153 mDirtyUsers.add(nextUserId); 2154 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2155 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2156 } 2157 } 2158 } 2159 2160 public static PackageManagerService main(Context context, Installer installer, 2161 boolean factoryTest, boolean onlyCore) { 2162 // Self-check for initial settings. 2163 PackageManagerServiceCompilerMapping.checkProperties(); 2164 2165 PackageManagerService m = new PackageManagerService(context, installer, 2166 factoryTest, onlyCore); 2167 m.enableSystemUserPackages(); 2168 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2169 // disabled after already being started. 2170 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2171 UserHandle.USER_SYSTEM); 2172 ServiceManager.addService("package", m); 2173 return m; 2174 } 2175 2176 private void enableSystemUserPackages() { 2177 if (!UserManager.isSplitSystemUser()) { 2178 return; 2179 } 2180 // For system user, enable apps based on the following conditions: 2181 // - app is whitelisted or belong to one of these groups: 2182 // -- system app which has no launcher icons 2183 // -- system app which has INTERACT_ACROSS_USERS permission 2184 // -- system IME app 2185 // - app is not in the blacklist 2186 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2187 Set<String> enableApps = new ArraySet<>(); 2188 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2189 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2190 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2191 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2192 enableApps.addAll(wlApps); 2193 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2194 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2195 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2196 enableApps.removeAll(blApps); 2197 Log.i(TAG, "Applications installed for system user: " + enableApps); 2198 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2199 UserHandle.SYSTEM); 2200 final int allAppsSize = allAps.size(); 2201 synchronized (mPackages) { 2202 for (int i = 0; i < allAppsSize; i++) { 2203 String pName = allAps.get(i); 2204 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2205 // Should not happen, but we shouldn't be failing if it does 2206 if (pkgSetting == null) { 2207 continue; 2208 } 2209 boolean install = enableApps.contains(pName); 2210 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2211 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2212 + " for system user"); 2213 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2214 } 2215 } 2216 } 2217 } 2218 2219 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2220 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2221 Context.DISPLAY_SERVICE); 2222 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2223 } 2224 2225 /** 2226 * Requests that files preopted on a secondary system partition be copied to the data partition 2227 * if possible. Note that the actual copying of the files is accomplished by init for security 2228 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2229 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2230 */ 2231 private static void requestCopyPreoptedFiles() { 2232 final int WAIT_TIME_MS = 100; 2233 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2234 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2235 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2236 // We will wait for up to 100 seconds. 2237 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2238 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2239 try { 2240 Thread.sleep(WAIT_TIME_MS); 2241 } catch (InterruptedException e) { 2242 // Do nothing 2243 } 2244 if (SystemClock.uptimeMillis() > timeEnd) { 2245 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2246 Slog.wtf(TAG, "cppreopt did not finish!"); 2247 break; 2248 } 2249 } 2250 } 2251 } 2252 2253 public PackageManagerService(Context context, Installer installer, 2254 boolean factoryTest, boolean onlyCore) { 2255 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2256 SystemClock.uptimeMillis()); 2257 2258 if (mSdkVersion <= 0) { 2259 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2260 } 2261 2262 mContext = context; 2263 mFactoryTest = factoryTest; 2264 mOnlyCore = onlyCore; 2265 mMetrics = new DisplayMetrics(); 2266 mSettings = new Settings(mPackages); 2267 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2268 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2269 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2270 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2271 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2272 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2273 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2274 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2275 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2276 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2277 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2278 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2279 2280 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2281 if (separateProcesses != null && separateProcesses.length() > 0) { 2282 if ("*".equals(separateProcesses)) { 2283 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2284 mSeparateProcesses = null; 2285 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2286 } else { 2287 mDefParseFlags = 0; 2288 mSeparateProcesses = separateProcesses.split(","); 2289 Slog.w(TAG, "Running with debug.separate_processes: " 2290 + separateProcesses); 2291 } 2292 } else { 2293 mDefParseFlags = 0; 2294 mSeparateProcesses = null; 2295 } 2296 2297 mInstaller = installer; 2298 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2299 "*dexopt*"); 2300 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2301 2302 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2303 FgThread.get().getLooper()); 2304 2305 getDefaultDisplayMetrics(context, mMetrics); 2306 2307 SystemConfig systemConfig = SystemConfig.getInstance(); 2308 mGlobalGids = systemConfig.getGlobalGids(); 2309 mSystemPermissions = systemConfig.getSystemPermissions(); 2310 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2311 2312 mProtectedPackages = new ProtectedPackages(mContext); 2313 2314 synchronized (mInstallLock) { 2315 // writer 2316 synchronized (mPackages) { 2317 mHandlerThread = new ServiceThread(TAG, 2318 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2319 mHandlerThread.start(); 2320 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2321 mProcessLoggingHandler = new ProcessLoggingHandler(); 2322 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2323 2324 File dataDir = Environment.getDataDirectory(); 2325 mAppInstallDir = new File(dataDir, "app"); 2326 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2327 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2328 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2329 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2330 2331 sUserManager = new UserManagerService(context, this, mPackages); 2332 2333 // Propagate permission configuration in to package manager. 2334 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2335 = systemConfig.getPermissions(); 2336 for (int i=0; i<permConfig.size(); i++) { 2337 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2338 BasePermission bp = mSettings.mPermissions.get(perm.name); 2339 if (bp == null) { 2340 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2341 mSettings.mPermissions.put(perm.name, bp); 2342 } 2343 if (perm.gids != null) { 2344 bp.setGids(perm.gids, perm.perUser); 2345 } 2346 } 2347 2348 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2349 for (int i=0; i<libConfig.size(); i++) { 2350 mSharedLibraries.put(libConfig.keyAt(i), 2351 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2352 } 2353 2354 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2355 2356 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2357 2358 if (mFirstBoot) { 2359 requestCopyPreoptedFiles(); 2360 } 2361 2362 String customResolverActivity = Resources.getSystem().getString( 2363 R.string.config_customResolverActivity); 2364 if (TextUtils.isEmpty(customResolverActivity)) { 2365 customResolverActivity = null; 2366 } else { 2367 mCustomResolverComponentName = ComponentName.unflattenFromString( 2368 customResolverActivity); 2369 } 2370 2371 long startTime = SystemClock.uptimeMillis(); 2372 2373 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2374 startTime); 2375 2376 // Set flag to monitor and not change apk file paths when 2377 // scanning install directories. 2378 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2379 2380 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2381 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2382 2383 if (bootClassPath == null) { 2384 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2385 } 2386 2387 if (systemServerClassPath == null) { 2388 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2389 } 2390 2391 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2392 final String[] dexCodeInstructionSets = 2393 getDexCodeInstructionSets( 2394 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2395 2396 /** 2397 * Ensure all external libraries have had dexopt run on them. 2398 */ 2399 if (mSharedLibraries.size() > 0) { 2400 // NOTE: For now, we're compiling these system "shared libraries" 2401 // (and framework jars) into all available architectures. It's possible 2402 // to compile them only when we come across an app that uses them (there's 2403 // already logic for that in scanPackageLI) but that adds some complexity. 2404 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2405 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2406 final String lib = libEntry.path; 2407 if (lib == null) { 2408 continue; 2409 } 2410 2411 try { 2412 // Shared libraries do not have profiles so we perform a full 2413 // AOT compilation (if needed). 2414 int dexoptNeeded = DexFile.getDexOptNeeded( 2415 lib, dexCodeInstructionSet, 2416 getCompilerFilterForReason(REASON_SHARED_APK), 2417 false /* newProfile */); 2418 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2419 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2420 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2421 getCompilerFilterForReason(REASON_SHARED_APK), 2422 StorageManager.UUID_PRIVATE_INTERNAL, 2423 SKIP_SHARED_LIBRARY_CHECK); 2424 } 2425 } catch (FileNotFoundException e) { 2426 Slog.w(TAG, "Library not found: " + lib); 2427 } catch (IOException | InstallerException e) { 2428 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2429 + e.getMessage()); 2430 } 2431 } 2432 } 2433 } 2434 2435 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2436 2437 final VersionInfo ver = mSettings.getInternalVersion(); 2438 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2439 2440 // when upgrading from pre-M, promote system app permissions from install to runtime 2441 mPromoteSystemApps = 2442 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2443 2444 // When upgrading from pre-N, we need to handle package extraction like first boot, 2445 // as there is no profiling data available. 2446 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2447 2448 // save off the names of pre-existing system packages prior to scanning; we don't 2449 // want to automatically grant runtime permissions for new system apps 2450 if (mPromoteSystemApps) { 2451 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2452 while (pkgSettingIter.hasNext()) { 2453 PackageSetting ps = pkgSettingIter.next(); 2454 if (isSystemApp(ps)) { 2455 mExistingSystemPackages.add(ps.name); 2456 } 2457 } 2458 } 2459 2460 // Collect vendor overlay packages. 2461 // (Do this before scanning any apps.) 2462 // For security and version matching reason, only consider 2463 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2464 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2465 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2466 | PackageParser.PARSE_IS_SYSTEM 2467 | PackageParser.PARSE_IS_SYSTEM_DIR 2468 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2469 2470 // Find base frameworks (resource packages without code). 2471 scanDirTracedLI(frameworkDir, mDefParseFlags 2472 | PackageParser.PARSE_IS_SYSTEM 2473 | PackageParser.PARSE_IS_SYSTEM_DIR 2474 | PackageParser.PARSE_IS_PRIVILEGED, 2475 scanFlags | SCAN_NO_DEX, 0); 2476 2477 // Collected privileged system packages. 2478 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2479 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2480 | PackageParser.PARSE_IS_SYSTEM 2481 | PackageParser.PARSE_IS_SYSTEM_DIR 2482 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2483 2484 // Collect ordinary system packages. 2485 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2486 scanDirTracedLI(systemAppDir, mDefParseFlags 2487 | PackageParser.PARSE_IS_SYSTEM 2488 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2489 2490 // Collect all vendor packages. 2491 File vendorAppDir = new File("/vendor/app"); 2492 try { 2493 vendorAppDir = vendorAppDir.getCanonicalFile(); 2494 } catch (IOException e) { 2495 // failed to look up canonical path, continue with original one 2496 } 2497 scanDirTracedLI(vendorAppDir, mDefParseFlags 2498 | PackageParser.PARSE_IS_SYSTEM 2499 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2500 2501 // Collect all OEM packages. 2502 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2503 scanDirTracedLI(oemAppDir, mDefParseFlags 2504 | PackageParser.PARSE_IS_SYSTEM 2505 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2506 2507 // Prune any system packages that no longer exist. 2508 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2509 if (!mOnlyCore) { 2510 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2511 while (psit.hasNext()) { 2512 PackageSetting ps = psit.next(); 2513 2514 /* 2515 * If this is not a system app, it can't be a 2516 * disable system app. 2517 */ 2518 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2519 continue; 2520 } 2521 2522 /* 2523 * If the package is scanned, it's not erased. 2524 */ 2525 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2526 if (scannedPkg != null) { 2527 /* 2528 * If the system app is both scanned and in the 2529 * disabled packages list, then it must have been 2530 * added via OTA. Remove it from the currently 2531 * scanned package so the previously user-installed 2532 * application can be scanned. 2533 */ 2534 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2535 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2536 + ps.name + "; removing system app. Last known codePath=" 2537 + ps.codePathString + ", installStatus=" + ps.installStatus 2538 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2539 + scannedPkg.mVersionCode); 2540 removePackageLI(scannedPkg, true); 2541 mExpectingBetter.put(ps.name, ps.codePath); 2542 } 2543 2544 continue; 2545 } 2546 2547 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2548 psit.remove(); 2549 logCriticalInfo(Log.WARN, "System package " + ps.name 2550 + " no longer exists; it's data will be wiped"); 2551 // Actual deletion of code and data will be handled by later 2552 // reconciliation step 2553 } else { 2554 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2555 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2556 possiblyDeletedUpdatedSystemApps.add(ps.name); 2557 } 2558 } 2559 } 2560 } 2561 2562 //look for any incomplete package installations 2563 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2564 for (int i = 0; i < deletePkgsList.size(); i++) { 2565 // Actual deletion of code and data will be handled by later 2566 // reconciliation step 2567 final String packageName = deletePkgsList.get(i).name; 2568 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2569 synchronized (mPackages) { 2570 mSettings.removePackageLPw(packageName); 2571 } 2572 } 2573 2574 //delete tmp files 2575 deleteTempPackageFiles(); 2576 2577 // Remove any shared userIDs that have no associated packages 2578 mSettings.pruneSharedUsersLPw(); 2579 2580 if (!mOnlyCore) { 2581 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2582 SystemClock.uptimeMillis()); 2583 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2584 2585 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2586 | PackageParser.PARSE_FORWARD_LOCK, 2587 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2588 2589 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2590 | PackageParser.PARSE_IS_EPHEMERAL, 2591 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2592 2593 /** 2594 * Remove disable package settings for any updated system 2595 * apps that were removed via an OTA. If they're not a 2596 * previously-updated app, remove them completely. 2597 * Otherwise, just revoke their system-level permissions. 2598 */ 2599 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2600 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2601 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2602 2603 String msg; 2604 if (deletedPkg == null) { 2605 msg = "Updated system package " + deletedAppName 2606 + " no longer exists; it's data will be wiped"; 2607 // Actual deletion of code and data will be handled by later 2608 // reconciliation step 2609 } else { 2610 msg = "Updated system app + " + deletedAppName 2611 + " no longer present; removing system privileges for " 2612 + deletedAppName; 2613 2614 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2615 2616 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2617 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2618 } 2619 logCriticalInfo(Log.WARN, msg); 2620 } 2621 2622 /** 2623 * Make sure all system apps that we expected to appear on 2624 * the userdata partition actually showed up. If they never 2625 * appeared, crawl back and revive the system version. 2626 */ 2627 for (int i = 0; i < mExpectingBetter.size(); i++) { 2628 final String packageName = mExpectingBetter.keyAt(i); 2629 if (!mPackages.containsKey(packageName)) { 2630 final File scanFile = mExpectingBetter.valueAt(i); 2631 2632 logCriticalInfo(Log.WARN, "Expected better " + packageName 2633 + " but never showed up; reverting to system"); 2634 2635 int reparseFlags = mDefParseFlags; 2636 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2637 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2638 | PackageParser.PARSE_IS_SYSTEM_DIR 2639 | PackageParser.PARSE_IS_PRIVILEGED; 2640 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2641 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2642 | PackageParser.PARSE_IS_SYSTEM_DIR; 2643 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2644 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2645 | PackageParser.PARSE_IS_SYSTEM_DIR; 2646 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2647 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2648 | PackageParser.PARSE_IS_SYSTEM_DIR; 2649 } else { 2650 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2651 continue; 2652 } 2653 2654 mSettings.enableSystemPackageLPw(packageName); 2655 2656 try { 2657 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2658 } catch (PackageManagerException e) { 2659 Slog.e(TAG, "Failed to parse original system package: " 2660 + e.getMessage()); 2661 } 2662 } 2663 } 2664 } 2665 mExpectingBetter.clear(); 2666 2667 // Resolve protected action filters. Only the setup wizard is allowed to 2668 // have a high priority filter for these actions. 2669 mSetupWizardPackage = getSetupWizardPackageName(); 2670 if (mProtectedFilters.size() > 0) { 2671 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2672 Slog.i(TAG, "No setup wizard;" 2673 + " All protected intents capped to priority 0"); 2674 } 2675 for (ActivityIntentInfo filter : mProtectedFilters) { 2676 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2677 if (DEBUG_FILTERS) { 2678 Slog.i(TAG, "Found setup wizard;" 2679 + " allow priority " + filter.getPriority() + ";" 2680 + " package: " + filter.activity.info.packageName 2681 + " activity: " + filter.activity.className 2682 + " priority: " + filter.getPriority()); 2683 } 2684 // skip setup wizard; allow it to keep the high priority filter 2685 continue; 2686 } 2687 Slog.w(TAG, "Protected action; cap priority to 0;" 2688 + " package: " + filter.activity.info.packageName 2689 + " activity: " + filter.activity.className 2690 + " origPrio: " + filter.getPriority()); 2691 filter.setPriority(0); 2692 } 2693 } 2694 mDeferProtectedFilters = false; 2695 mProtectedFilters.clear(); 2696 2697 // Now that we know all of the shared libraries, update all clients to have 2698 // the correct library paths. 2699 updateAllSharedLibrariesLPw(); 2700 2701 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2702 // NOTE: We ignore potential failures here during a system scan (like 2703 // the rest of the commands above) because there's precious little we 2704 // can do about it. A settings error is reported, though. 2705 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2706 false /* boot complete */); 2707 } 2708 2709 // Now that we know all the packages we are keeping, 2710 // read and update their last usage times. 2711 mPackageUsage.readLP(); 2712 2713 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2714 SystemClock.uptimeMillis()); 2715 Slog.i(TAG, "Time to scan packages: " 2716 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2717 + " seconds"); 2718 2719 // If the platform SDK has changed since the last time we booted, 2720 // we need to re-grant app permission to catch any new ones that 2721 // appear. This is really a hack, and means that apps can in some 2722 // cases get permissions that the user didn't initially explicitly 2723 // allow... it would be nice to have some better way to handle 2724 // this situation. 2725 int updateFlags = UPDATE_PERMISSIONS_ALL; 2726 if (ver.sdkVersion != mSdkVersion) { 2727 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2728 + mSdkVersion + "; regranting permissions for internal storage"); 2729 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2730 } 2731 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2732 ver.sdkVersion = mSdkVersion; 2733 2734 // If this is the first boot or an update from pre-M, and it is a normal 2735 // boot, then we need to initialize the default preferred apps across 2736 // all defined users. 2737 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2738 for (UserInfo user : sUserManager.getUsers(true)) { 2739 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2740 applyFactoryDefaultBrowserLPw(user.id); 2741 primeDomainVerificationsLPw(user.id); 2742 } 2743 } 2744 2745 // Prepare storage for system user really early during boot, 2746 // since core system apps like SettingsProvider and SystemUI 2747 // can't wait for user to start 2748 final int storageFlags; 2749 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2750 storageFlags = StorageManager.FLAG_STORAGE_DE; 2751 } else { 2752 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2753 } 2754 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2755 storageFlags); 2756 2757 // If this is first boot after an OTA, and a normal boot, then 2758 // we need to clear code cache directories. 2759 // Note that we do *not* clear the application profiles. These remain valid 2760 // across OTAs and are used to drive profile verification (post OTA) and 2761 // profile compilation (without waiting to collect a fresh set of profiles). 2762 if (mIsUpgrade && !onlyCore) { 2763 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2764 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2765 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2766 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2767 // No apps are running this early, so no need to freeze 2768 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2769 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2770 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2771 } 2772 } 2773 ver.fingerprint = Build.FINGERPRINT; 2774 } 2775 2776 checkDefaultBrowser(); 2777 2778 // clear only after permissions and other defaults have been updated 2779 mExistingSystemPackages.clear(); 2780 mPromoteSystemApps = false; 2781 2782 // All the changes are done during package scanning. 2783 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2784 2785 // can downgrade to reader 2786 mSettings.writeLPr(); 2787 2788 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2789 // early on (before the package manager declares itself as early) because other 2790 // components in the system server might ask for package contexts for these apps. 2791 // 2792 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2793 // (i.e, that the data partition is unavailable). 2794 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2795 long start = System.nanoTime(); 2796 List<PackageParser.Package> coreApps = new ArrayList<>(); 2797 for (PackageParser.Package pkg : mPackages.values()) { 2798 if (pkg.coreApp) { 2799 coreApps.add(pkg); 2800 } 2801 } 2802 2803 int[] stats = performDexOpt(coreApps, false, 2804 getCompilerFilterForReason(REASON_CORE_APP)); 2805 2806 final int elapsedTimeSeconds = 2807 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2808 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2809 2810 if (DEBUG_DEXOPT) { 2811 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2812 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2813 } 2814 2815 2816 // TODO: Should we log these stats to tron too ? 2817 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2818 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2819 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2820 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2821 } 2822 2823 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2824 SystemClock.uptimeMillis()); 2825 2826 if (!mOnlyCore) { 2827 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2828 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2829 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2830 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2831 mIntentFilterVerifierComponent); 2832 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2833 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2834 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2835 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2836 } else { 2837 mRequiredVerifierPackage = null; 2838 mRequiredInstallerPackage = null; 2839 mIntentFilterVerifierComponent = null; 2840 mIntentFilterVerifier = null; 2841 mServicesSystemSharedLibraryPackageName = null; 2842 mSharedSystemSharedLibraryPackageName = null; 2843 } 2844 2845 mInstallerService = new PackageInstallerService(context, this); 2846 2847 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2848 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2849 // both the installer and resolver must be present to enable ephemeral 2850 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2851 if (DEBUG_EPHEMERAL) { 2852 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2853 + " installer:" + ephemeralInstallerComponent); 2854 } 2855 mEphemeralResolverComponent = ephemeralResolverComponent; 2856 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2857 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2858 mEphemeralResolverConnection = 2859 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2860 } else { 2861 if (DEBUG_EPHEMERAL) { 2862 final String missingComponent = 2863 (ephemeralResolverComponent == null) 2864 ? (ephemeralInstallerComponent == null) 2865 ? "resolver and installer" 2866 : "resolver" 2867 : "installer"; 2868 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2869 } 2870 mEphemeralResolverComponent = null; 2871 mEphemeralInstallerComponent = null; 2872 mEphemeralResolverConnection = null; 2873 } 2874 2875 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2876 } // synchronized (mPackages) 2877 } // synchronized (mInstallLock) 2878 2879 // Now after opening every single application zip, make sure they 2880 // are all flushed. Not really needed, but keeps things nice and 2881 // tidy. 2882 Runtime.getRuntime().gc(); 2883 2884 // The initial scanning above does many calls into installd while 2885 // holding the mPackages lock, but we're mostly interested in yelling 2886 // once we have a booted system. 2887 mInstaller.setWarnIfHeld(mPackages); 2888 2889 // Expose private service for system components to use. 2890 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2891 } 2892 2893 @Override 2894 public boolean isFirstBoot() { 2895 return mFirstBoot; 2896 } 2897 2898 @Override 2899 public boolean isOnlyCoreApps() { 2900 return mOnlyCore; 2901 } 2902 2903 @Override 2904 public boolean isUpgrade() { 2905 return mIsUpgrade; 2906 } 2907 2908 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2909 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2910 2911 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2912 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2913 UserHandle.USER_SYSTEM); 2914 if (matches.size() == 1) { 2915 return matches.get(0).getComponentInfo().packageName; 2916 } else { 2917 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2918 return null; 2919 } 2920 } 2921 2922 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2923 synchronized (mPackages) { 2924 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2925 if (libraryEntry == null) { 2926 throw new IllegalStateException("Missing required shared library:" + libraryName); 2927 } 2928 return libraryEntry.apk; 2929 } 2930 } 2931 2932 private @NonNull String getRequiredInstallerLPr() { 2933 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2934 intent.addCategory(Intent.CATEGORY_DEFAULT); 2935 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2936 2937 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2938 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2939 UserHandle.USER_SYSTEM); 2940 if (matches.size() == 1) { 2941 ResolveInfo resolveInfo = matches.get(0); 2942 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2943 throw new RuntimeException("The installer must be a privileged app"); 2944 } 2945 return matches.get(0).getComponentInfo().packageName; 2946 } else { 2947 throw new RuntimeException("There must be exactly one installer; found " + matches); 2948 } 2949 } 2950 2951 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2952 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2953 2954 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2955 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2956 UserHandle.USER_SYSTEM); 2957 ResolveInfo best = null; 2958 final int N = matches.size(); 2959 for (int i = 0; i < N; i++) { 2960 final ResolveInfo cur = matches.get(i); 2961 final String packageName = cur.getComponentInfo().packageName; 2962 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2963 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2964 continue; 2965 } 2966 2967 if (best == null || cur.priority > best.priority) { 2968 best = cur; 2969 } 2970 } 2971 2972 if (best != null) { 2973 return best.getComponentInfo().getComponentName(); 2974 } else { 2975 throw new RuntimeException("There must be at least one intent filter verifier"); 2976 } 2977 } 2978 2979 private @Nullable ComponentName getEphemeralResolverLPr() { 2980 final String[] packageArray = 2981 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2982 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2983 if (DEBUG_EPHEMERAL) { 2984 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2985 } 2986 return null; 2987 } 2988 2989 final int resolveFlags = 2990 MATCH_DIRECT_BOOT_AWARE 2991 | MATCH_DIRECT_BOOT_UNAWARE 2992 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2993 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2994 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2995 resolveFlags, UserHandle.USER_SYSTEM); 2996 2997 final int N = resolvers.size(); 2998 if (N == 0) { 2999 if (DEBUG_EPHEMERAL) { 3000 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3001 } 3002 return null; 3003 } 3004 3005 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3006 for (int i = 0; i < N; i++) { 3007 final ResolveInfo info = resolvers.get(i); 3008 3009 if (info.serviceInfo == null) { 3010 continue; 3011 } 3012 3013 final String packageName = info.serviceInfo.packageName; 3014 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3015 if (DEBUG_EPHEMERAL) { 3016 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3017 + " pkg: " + packageName + ", info:" + info); 3018 } 3019 continue; 3020 } 3021 3022 if (DEBUG_EPHEMERAL) { 3023 Slog.v(TAG, "Ephemeral resolver found;" 3024 + " pkg: " + packageName + ", info:" + info); 3025 } 3026 return new ComponentName(packageName, info.serviceInfo.name); 3027 } 3028 if (DEBUG_EPHEMERAL) { 3029 Slog.v(TAG, "Ephemeral resolver NOT found"); 3030 } 3031 return null; 3032 } 3033 3034 private @Nullable ComponentName getEphemeralInstallerLPr() { 3035 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3036 intent.addCategory(Intent.CATEGORY_DEFAULT); 3037 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3038 3039 final int resolveFlags = 3040 MATCH_DIRECT_BOOT_AWARE 3041 | MATCH_DIRECT_BOOT_UNAWARE 3042 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3043 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3044 resolveFlags, UserHandle.USER_SYSTEM); 3045 if (matches.size() == 0) { 3046 return null; 3047 } else if (matches.size() == 1) { 3048 return matches.get(0).getComponentInfo().getComponentName(); 3049 } else { 3050 throw new RuntimeException( 3051 "There must be at most one ephemeral installer; found " + matches); 3052 } 3053 } 3054 3055 private void primeDomainVerificationsLPw(int userId) { 3056 if (DEBUG_DOMAIN_VERIFICATION) { 3057 Slog.d(TAG, "Priming domain verifications in user " + userId); 3058 } 3059 3060 SystemConfig systemConfig = SystemConfig.getInstance(); 3061 ArraySet<String> packages = systemConfig.getLinkedApps(); 3062 ArraySet<String> domains = new ArraySet<String>(); 3063 3064 for (String packageName : packages) { 3065 PackageParser.Package pkg = mPackages.get(packageName); 3066 if (pkg != null) { 3067 if (!pkg.isSystemApp()) { 3068 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3069 continue; 3070 } 3071 3072 domains.clear(); 3073 for (PackageParser.Activity a : pkg.activities) { 3074 for (ActivityIntentInfo filter : a.intents) { 3075 if (hasValidDomains(filter)) { 3076 domains.addAll(filter.getHostsList()); 3077 } 3078 } 3079 } 3080 3081 if (domains.size() > 0) { 3082 if (DEBUG_DOMAIN_VERIFICATION) { 3083 Slog.v(TAG, " + " + packageName); 3084 } 3085 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3086 // state w.r.t. the formal app-linkage "no verification attempted" state; 3087 // and then 'always' in the per-user state actually used for intent resolution. 3088 final IntentFilterVerificationInfo ivi; 3089 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3090 new ArrayList<String>(domains)); 3091 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3092 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3093 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3094 } else { 3095 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3096 + "' does not handle web links"); 3097 } 3098 } else { 3099 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3100 } 3101 } 3102 3103 scheduleWritePackageRestrictionsLocked(userId); 3104 scheduleWriteSettingsLocked(); 3105 } 3106 3107 private void applyFactoryDefaultBrowserLPw(int userId) { 3108 // The default browser app's package name is stored in a string resource, 3109 // with a product-specific overlay used for vendor customization. 3110 String browserPkg = mContext.getResources().getString( 3111 com.android.internal.R.string.default_browser); 3112 if (!TextUtils.isEmpty(browserPkg)) { 3113 // non-empty string => required to be a known package 3114 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3115 if (ps == null) { 3116 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3117 browserPkg = null; 3118 } else { 3119 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3120 } 3121 } 3122 3123 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3124 // default. If there's more than one, just leave everything alone. 3125 if (browserPkg == null) { 3126 calculateDefaultBrowserLPw(userId); 3127 } 3128 } 3129 3130 private void calculateDefaultBrowserLPw(int userId) { 3131 List<String> allBrowsers = resolveAllBrowserApps(userId); 3132 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3133 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3134 } 3135 3136 private List<String> resolveAllBrowserApps(int userId) { 3137 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3138 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3139 PackageManager.MATCH_ALL, userId); 3140 3141 final int count = list.size(); 3142 List<String> result = new ArrayList<String>(count); 3143 for (int i=0; i<count; i++) { 3144 ResolveInfo info = list.get(i); 3145 if (info.activityInfo == null 3146 || !info.handleAllWebDataURI 3147 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3148 || result.contains(info.activityInfo.packageName)) { 3149 continue; 3150 } 3151 result.add(info.activityInfo.packageName); 3152 } 3153 3154 return result; 3155 } 3156 3157 private boolean packageIsBrowser(String packageName, int userId) { 3158 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3159 PackageManager.MATCH_ALL, userId); 3160 final int N = list.size(); 3161 for (int i = 0; i < N; i++) { 3162 ResolveInfo info = list.get(i); 3163 if (packageName.equals(info.activityInfo.packageName)) { 3164 return true; 3165 } 3166 } 3167 return false; 3168 } 3169 3170 private void checkDefaultBrowser() { 3171 final int myUserId = UserHandle.myUserId(); 3172 final String packageName = getDefaultBrowserPackageName(myUserId); 3173 if (packageName != null) { 3174 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3175 if (info == null) { 3176 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3177 synchronized (mPackages) { 3178 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3179 } 3180 } 3181 } 3182 } 3183 3184 @Override 3185 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3186 throws RemoteException { 3187 try { 3188 return super.onTransact(code, data, reply, flags); 3189 } catch (RuntimeException e) { 3190 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3191 Slog.wtf(TAG, "Package Manager Crash", e); 3192 } 3193 throw e; 3194 } 3195 } 3196 3197 static int[] appendInts(int[] cur, int[] add) { 3198 if (add == null) return cur; 3199 if (cur == null) return add; 3200 final int N = add.length; 3201 for (int i=0; i<N; i++) { 3202 cur = appendInt(cur, add[i]); 3203 } 3204 return cur; 3205 } 3206 3207 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3208 if (!sUserManager.exists(userId)) return null; 3209 if (ps == null) { 3210 return null; 3211 } 3212 final PackageParser.Package p = ps.pkg; 3213 if (p == null) { 3214 return null; 3215 } 3216 3217 final PermissionsState permissionsState = ps.getPermissionsState(); 3218 3219 // Compute GIDs only if requested 3220 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3221 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3222 // Compute granted permissions only if package has requested permissions 3223 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3224 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3225 final PackageUserState state = ps.readUserState(userId); 3226 3227 return PackageParser.generatePackageInfo(p, gids, flags, 3228 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3229 } 3230 3231 @Override 3232 public void checkPackageStartable(String packageName, int userId) { 3233 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3234 3235 synchronized (mPackages) { 3236 final PackageSetting ps = mSettings.mPackages.get(packageName); 3237 if (ps == null) { 3238 throw new SecurityException("Package " + packageName + " was not found!"); 3239 } 3240 3241 if (!ps.getInstalled(userId)) { 3242 throw new SecurityException( 3243 "Package " + packageName + " was not installed for user " + userId + "!"); 3244 } 3245 3246 if (mSafeMode && !ps.isSystem()) { 3247 throw new SecurityException("Package " + packageName + " not a system app!"); 3248 } 3249 3250 if (mFrozenPackages.contains(packageName)) { 3251 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3252 } 3253 3254 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3255 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3256 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3257 } 3258 } 3259 } 3260 3261 @Override 3262 public boolean isPackageAvailable(String packageName, int userId) { 3263 if (!sUserManager.exists(userId)) return false; 3264 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3265 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3266 synchronized (mPackages) { 3267 PackageParser.Package p = mPackages.get(packageName); 3268 if (p != null) { 3269 final PackageSetting ps = (PackageSetting) p.mExtras; 3270 if (ps != null) { 3271 final PackageUserState state = ps.readUserState(userId); 3272 if (state != null) { 3273 return PackageParser.isAvailable(state); 3274 } 3275 } 3276 } 3277 } 3278 return false; 3279 } 3280 3281 @Override 3282 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3283 if (!sUserManager.exists(userId)) return null; 3284 flags = updateFlagsForPackage(flags, userId, packageName); 3285 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3286 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3287 // reader 3288 synchronized (mPackages) { 3289 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3290 PackageParser.Package p = null; 3291 if (matchFactoryOnly) { 3292 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3293 if (ps != null) { 3294 return generatePackageInfo(ps, flags, userId); 3295 } 3296 } 3297 if (p == null) { 3298 p = mPackages.get(packageName); 3299 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3300 return null; 3301 } 3302 } 3303 if (DEBUG_PACKAGE_INFO) 3304 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3305 if (p != null) { 3306 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3307 } 3308 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3309 final PackageSetting ps = mSettings.mPackages.get(packageName); 3310 return generatePackageInfo(ps, flags, userId); 3311 } 3312 } 3313 return null; 3314 } 3315 3316 @Override 3317 public String[] currentToCanonicalPackageNames(String[] names) { 3318 String[] out = new String[names.length]; 3319 // reader 3320 synchronized (mPackages) { 3321 for (int i=names.length-1; i>=0; i--) { 3322 PackageSetting ps = mSettings.mPackages.get(names[i]); 3323 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3324 } 3325 } 3326 return out; 3327 } 3328 3329 @Override 3330 public String[] canonicalToCurrentPackageNames(String[] names) { 3331 String[] out = new String[names.length]; 3332 // reader 3333 synchronized (mPackages) { 3334 for (int i=names.length-1; i>=0; i--) { 3335 String cur = mSettings.mRenamedPackages.get(names[i]); 3336 out[i] = cur != null ? cur : names[i]; 3337 } 3338 } 3339 return out; 3340 } 3341 3342 @Override 3343 public int getPackageUid(String packageName, int flags, int userId) { 3344 if (!sUserManager.exists(userId)) return -1; 3345 flags = updateFlagsForPackage(flags, userId, packageName); 3346 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3347 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3348 3349 // reader 3350 synchronized (mPackages) { 3351 final PackageParser.Package p = mPackages.get(packageName); 3352 if (p != null && p.isMatch(flags)) { 3353 return UserHandle.getUid(userId, p.applicationInfo.uid); 3354 } 3355 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3356 final PackageSetting ps = mSettings.mPackages.get(packageName); 3357 if (ps != null && ps.isMatch(flags)) { 3358 return UserHandle.getUid(userId, ps.appId); 3359 } 3360 } 3361 } 3362 3363 return -1; 3364 } 3365 3366 @Override 3367 public int[] getPackageGids(String packageName, int flags, int userId) { 3368 if (!sUserManager.exists(userId)) return null; 3369 flags = updateFlagsForPackage(flags, userId, packageName); 3370 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3371 false /* requireFullPermission */, false /* checkShell */, 3372 "getPackageGids"); 3373 3374 // reader 3375 synchronized (mPackages) { 3376 final PackageParser.Package p = mPackages.get(packageName); 3377 if (p != null && p.isMatch(flags)) { 3378 PackageSetting ps = (PackageSetting) p.mExtras; 3379 return ps.getPermissionsState().computeGids(userId); 3380 } 3381 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3382 final PackageSetting ps = mSettings.mPackages.get(packageName); 3383 if (ps != null && ps.isMatch(flags)) { 3384 return ps.getPermissionsState().computeGids(userId); 3385 } 3386 } 3387 } 3388 3389 return null; 3390 } 3391 3392 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3393 if (bp.perm != null) { 3394 return PackageParser.generatePermissionInfo(bp.perm, flags); 3395 } 3396 PermissionInfo pi = new PermissionInfo(); 3397 pi.name = bp.name; 3398 pi.packageName = bp.sourcePackage; 3399 pi.nonLocalizedLabel = bp.name; 3400 pi.protectionLevel = bp.protectionLevel; 3401 return pi; 3402 } 3403 3404 @Override 3405 public PermissionInfo getPermissionInfo(String name, int flags) { 3406 // reader 3407 synchronized (mPackages) { 3408 final BasePermission p = mSettings.mPermissions.get(name); 3409 if (p != null) { 3410 return generatePermissionInfo(p, flags); 3411 } 3412 return null; 3413 } 3414 } 3415 3416 @Override 3417 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3418 int flags) { 3419 // reader 3420 synchronized (mPackages) { 3421 if (group != null && !mPermissionGroups.containsKey(group)) { 3422 // This is thrown as NameNotFoundException 3423 return null; 3424 } 3425 3426 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3427 for (BasePermission p : mSettings.mPermissions.values()) { 3428 if (group == null) { 3429 if (p.perm == null || p.perm.info.group == null) { 3430 out.add(generatePermissionInfo(p, flags)); 3431 } 3432 } else { 3433 if (p.perm != null && group.equals(p.perm.info.group)) { 3434 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3435 } 3436 } 3437 } 3438 return new ParceledListSlice<>(out); 3439 } 3440 } 3441 3442 @Override 3443 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3444 // reader 3445 synchronized (mPackages) { 3446 return PackageParser.generatePermissionGroupInfo( 3447 mPermissionGroups.get(name), flags); 3448 } 3449 } 3450 3451 @Override 3452 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3453 // reader 3454 synchronized (mPackages) { 3455 final int N = mPermissionGroups.size(); 3456 ArrayList<PermissionGroupInfo> out 3457 = new ArrayList<PermissionGroupInfo>(N); 3458 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3459 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3460 } 3461 return new ParceledListSlice<>(out); 3462 } 3463 } 3464 3465 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3466 int userId) { 3467 if (!sUserManager.exists(userId)) return null; 3468 PackageSetting ps = mSettings.mPackages.get(packageName); 3469 if (ps != null) { 3470 if (ps.pkg == null) { 3471 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3472 if (pInfo != null) { 3473 return pInfo.applicationInfo; 3474 } 3475 return null; 3476 } 3477 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3478 ps.readUserState(userId), userId); 3479 } 3480 return null; 3481 } 3482 3483 @Override 3484 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3485 if (!sUserManager.exists(userId)) return null; 3486 flags = updateFlagsForApplication(flags, userId, packageName); 3487 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3488 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3489 // writer 3490 synchronized (mPackages) { 3491 PackageParser.Package p = mPackages.get(packageName); 3492 if (DEBUG_PACKAGE_INFO) Log.v( 3493 TAG, "getApplicationInfo " + packageName 3494 + ": " + p); 3495 if (p != null) { 3496 PackageSetting ps = mSettings.mPackages.get(packageName); 3497 if (ps == null) return null; 3498 // Note: isEnabledLP() does not apply here - always return info 3499 return PackageParser.generateApplicationInfo( 3500 p, flags, ps.readUserState(userId), userId); 3501 } 3502 if ("android".equals(packageName)||"system".equals(packageName)) { 3503 return mAndroidApplication; 3504 } 3505 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3506 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3507 } 3508 } 3509 return null; 3510 } 3511 3512 @Override 3513 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3514 final IPackageDataObserver observer) { 3515 mContext.enforceCallingOrSelfPermission( 3516 android.Manifest.permission.CLEAR_APP_CACHE, null); 3517 // Queue up an async operation since clearing cache may take a little while. 3518 mHandler.post(new Runnable() { 3519 public void run() { 3520 mHandler.removeCallbacks(this); 3521 boolean success = true; 3522 synchronized (mInstallLock) { 3523 try { 3524 mInstaller.freeCache(volumeUuid, freeStorageSize); 3525 } catch (InstallerException e) { 3526 Slog.w(TAG, "Couldn't clear application caches: " + e); 3527 success = false; 3528 } 3529 } 3530 if (observer != null) { 3531 try { 3532 observer.onRemoveCompleted(null, success); 3533 } catch (RemoteException e) { 3534 Slog.w(TAG, "RemoveException when invoking call back"); 3535 } 3536 } 3537 } 3538 }); 3539 } 3540 3541 @Override 3542 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3543 final IntentSender pi) { 3544 mContext.enforceCallingOrSelfPermission( 3545 android.Manifest.permission.CLEAR_APP_CACHE, null); 3546 // Queue up an async operation since clearing cache may take a little while. 3547 mHandler.post(new Runnable() { 3548 public void run() { 3549 mHandler.removeCallbacks(this); 3550 boolean success = true; 3551 synchronized (mInstallLock) { 3552 try { 3553 mInstaller.freeCache(volumeUuid, freeStorageSize); 3554 } catch (InstallerException e) { 3555 Slog.w(TAG, "Couldn't clear application caches: " + e); 3556 success = false; 3557 } 3558 } 3559 if(pi != null) { 3560 try { 3561 // Callback via pending intent 3562 int code = success ? 1 : 0; 3563 pi.sendIntent(null, code, null, 3564 null, null); 3565 } catch (SendIntentException e1) { 3566 Slog.i(TAG, "Failed to send pending intent"); 3567 } 3568 } 3569 } 3570 }); 3571 } 3572 3573 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3574 synchronized (mInstallLock) { 3575 try { 3576 mInstaller.freeCache(volumeUuid, freeStorageSize); 3577 } catch (InstallerException e) { 3578 throw new IOException("Failed to free enough space", e); 3579 } 3580 } 3581 } 3582 3583 /** 3584 * Update given flags based on encryption status of current user. 3585 */ 3586 private int updateFlags(int flags, int userId) { 3587 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3588 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3589 // Caller expressed an explicit opinion about what encryption 3590 // aware/unaware components they want to see, so fall through and 3591 // give them what they want 3592 } else { 3593 // Caller expressed no opinion, so match based on user state 3594 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3595 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3596 } else { 3597 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3598 } 3599 } 3600 return flags; 3601 } 3602 3603 private UserManagerInternal getUserManagerInternal() { 3604 if (mUserManagerInternal == null) { 3605 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3606 } 3607 return mUserManagerInternal; 3608 } 3609 3610 /** 3611 * Update given flags when being used to request {@link PackageInfo}. 3612 */ 3613 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3614 boolean triaged = true; 3615 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3616 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3617 // Caller is asking for component details, so they'd better be 3618 // asking for specific encryption matching behavior, or be triaged 3619 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3620 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3621 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3622 triaged = false; 3623 } 3624 } 3625 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3626 | PackageManager.MATCH_SYSTEM_ONLY 3627 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3628 triaged = false; 3629 } 3630 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3631 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3632 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3633 } 3634 return updateFlags(flags, userId); 3635 } 3636 3637 /** 3638 * Update given flags when being used to request {@link ApplicationInfo}. 3639 */ 3640 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3641 return updateFlagsForPackage(flags, userId, cookie); 3642 } 3643 3644 /** 3645 * Update given flags when being used to request {@link ComponentInfo}. 3646 */ 3647 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3648 if (cookie instanceof Intent) { 3649 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3650 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3651 } 3652 } 3653 3654 boolean triaged = true; 3655 // Caller is asking for component details, so they'd better be 3656 // asking for specific encryption matching behavior, or be triaged 3657 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3658 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3659 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3660 triaged = false; 3661 } 3662 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3663 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3664 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3665 } 3666 3667 return updateFlags(flags, userId); 3668 } 3669 3670 /** 3671 * Update given flags when being used to request {@link ResolveInfo}. 3672 */ 3673 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3674 // Safe mode means we shouldn't match any third-party components 3675 if (mSafeMode) { 3676 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3677 } 3678 3679 return updateFlagsForComponent(flags, userId, cookie); 3680 } 3681 3682 @Override 3683 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3684 if (!sUserManager.exists(userId)) return null; 3685 flags = updateFlagsForComponent(flags, userId, component); 3686 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3687 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3688 synchronized (mPackages) { 3689 PackageParser.Activity a = mActivities.mActivities.get(component); 3690 3691 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3692 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3693 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3694 if (ps == null) return null; 3695 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3696 userId); 3697 } 3698 if (mResolveComponentName.equals(component)) { 3699 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3700 new PackageUserState(), userId); 3701 } 3702 } 3703 return null; 3704 } 3705 3706 @Override 3707 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3708 String resolvedType) { 3709 synchronized (mPackages) { 3710 if (component.equals(mResolveComponentName)) { 3711 // The resolver supports EVERYTHING! 3712 return true; 3713 } 3714 PackageParser.Activity a = mActivities.mActivities.get(component); 3715 if (a == null) { 3716 return false; 3717 } 3718 for (int i=0; i<a.intents.size(); i++) { 3719 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3720 intent.getData(), intent.getCategories(), TAG) >= 0) { 3721 return true; 3722 } 3723 } 3724 return false; 3725 } 3726 } 3727 3728 @Override 3729 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3730 if (!sUserManager.exists(userId)) return null; 3731 flags = updateFlagsForComponent(flags, userId, component); 3732 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3733 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3734 synchronized (mPackages) { 3735 PackageParser.Activity a = mReceivers.mActivities.get(component); 3736 if (DEBUG_PACKAGE_INFO) Log.v( 3737 TAG, "getReceiverInfo " + component + ": " + a); 3738 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3739 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3740 if (ps == null) return null; 3741 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3742 userId); 3743 } 3744 } 3745 return null; 3746 } 3747 3748 @Override 3749 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3750 if (!sUserManager.exists(userId)) return null; 3751 flags = updateFlagsForComponent(flags, userId, component); 3752 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3753 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3754 synchronized (mPackages) { 3755 PackageParser.Service s = mServices.mServices.get(component); 3756 if (DEBUG_PACKAGE_INFO) Log.v( 3757 TAG, "getServiceInfo " + component + ": " + s); 3758 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3759 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3760 if (ps == null) return null; 3761 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3762 userId); 3763 } 3764 } 3765 return null; 3766 } 3767 3768 @Override 3769 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3770 if (!sUserManager.exists(userId)) return null; 3771 flags = updateFlagsForComponent(flags, userId, component); 3772 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3773 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3774 synchronized (mPackages) { 3775 PackageParser.Provider p = mProviders.mProviders.get(component); 3776 if (DEBUG_PACKAGE_INFO) Log.v( 3777 TAG, "getProviderInfo " + component + ": " + p); 3778 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3779 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3780 if (ps == null) return null; 3781 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3782 userId); 3783 } 3784 } 3785 return null; 3786 } 3787 3788 @Override 3789 public String[] getSystemSharedLibraryNames() { 3790 Set<String> libSet; 3791 synchronized (mPackages) { 3792 libSet = mSharedLibraries.keySet(); 3793 int size = libSet.size(); 3794 if (size > 0) { 3795 String[] libs = new String[size]; 3796 libSet.toArray(libs); 3797 return libs; 3798 } 3799 } 3800 return null; 3801 } 3802 3803 @Override 3804 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3805 synchronized (mPackages) { 3806 return mServicesSystemSharedLibraryPackageName; 3807 } 3808 } 3809 3810 @Override 3811 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3812 synchronized (mPackages) { 3813 return mSharedSystemSharedLibraryPackageName; 3814 } 3815 } 3816 3817 @Override 3818 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3819 synchronized (mPackages) { 3820 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3821 3822 final FeatureInfo fi = new FeatureInfo(); 3823 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3824 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3825 res.add(fi); 3826 3827 return new ParceledListSlice<>(res); 3828 } 3829 } 3830 3831 @Override 3832 public boolean hasSystemFeature(String name, int version) { 3833 synchronized (mPackages) { 3834 final FeatureInfo feat = mAvailableFeatures.get(name); 3835 if (feat == null) { 3836 return false; 3837 } else { 3838 return feat.version >= version; 3839 } 3840 } 3841 } 3842 3843 @Override 3844 public int checkPermission(String permName, String pkgName, int userId) { 3845 if (!sUserManager.exists(userId)) { 3846 return PackageManager.PERMISSION_DENIED; 3847 } 3848 3849 synchronized (mPackages) { 3850 final PackageParser.Package p = mPackages.get(pkgName); 3851 if (p != null && p.mExtras != null) { 3852 final PackageSetting ps = (PackageSetting) p.mExtras; 3853 final PermissionsState permissionsState = ps.getPermissionsState(); 3854 if (permissionsState.hasPermission(permName, userId)) { 3855 return PackageManager.PERMISSION_GRANTED; 3856 } 3857 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3858 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3859 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3860 return PackageManager.PERMISSION_GRANTED; 3861 } 3862 } 3863 } 3864 3865 return PackageManager.PERMISSION_DENIED; 3866 } 3867 3868 @Override 3869 public int checkUidPermission(String permName, int uid) { 3870 final int userId = UserHandle.getUserId(uid); 3871 3872 if (!sUserManager.exists(userId)) { 3873 return PackageManager.PERMISSION_DENIED; 3874 } 3875 3876 synchronized (mPackages) { 3877 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3878 if (obj != null) { 3879 final SettingBase ps = (SettingBase) obj; 3880 final PermissionsState permissionsState = ps.getPermissionsState(); 3881 if (permissionsState.hasPermission(permName, userId)) { 3882 return PackageManager.PERMISSION_GRANTED; 3883 } 3884 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3885 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3886 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3887 return PackageManager.PERMISSION_GRANTED; 3888 } 3889 } else { 3890 ArraySet<String> perms = mSystemPermissions.get(uid); 3891 if (perms != null) { 3892 if (perms.contains(permName)) { 3893 return PackageManager.PERMISSION_GRANTED; 3894 } 3895 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3896 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3897 return PackageManager.PERMISSION_GRANTED; 3898 } 3899 } 3900 } 3901 } 3902 3903 return PackageManager.PERMISSION_DENIED; 3904 } 3905 3906 @Override 3907 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3908 if (UserHandle.getCallingUserId() != userId) { 3909 mContext.enforceCallingPermission( 3910 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3911 "isPermissionRevokedByPolicy for user " + userId); 3912 } 3913 3914 if (checkPermission(permission, packageName, userId) 3915 == PackageManager.PERMISSION_GRANTED) { 3916 return false; 3917 } 3918 3919 final long identity = Binder.clearCallingIdentity(); 3920 try { 3921 final int flags = getPermissionFlags(permission, packageName, userId); 3922 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3923 } finally { 3924 Binder.restoreCallingIdentity(identity); 3925 } 3926 } 3927 3928 @Override 3929 public String getPermissionControllerPackageName() { 3930 synchronized (mPackages) { 3931 return mRequiredInstallerPackage; 3932 } 3933 } 3934 3935 /** 3936 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3937 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3938 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3939 * @param message the message to log on security exception 3940 */ 3941 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3942 boolean checkShell, String message) { 3943 if (userId < 0) { 3944 throw new IllegalArgumentException("Invalid userId " + userId); 3945 } 3946 if (checkShell) { 3947 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3948 } 3949 if (userId == UserHandle.getUserId(callingUid)) return; 3950 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3951 if (requireFullPermission) { 3952 mContext.enforceCallingOrSelfPermission( 3953 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3954 } else { 3955 try { 3956 mContext.enforceCallingOrSelfPermission( 3957 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3958 } catch (SecurityException se) { 3959 mContext.enforceCallingOrSelfPermission( 3960 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3961 } 3962 } 3963 } 3964 } 3965 3966 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3967 if (callingUid == Process.SHELL_UID) { 3968 if (userHandle >= 0 3969 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3970 throw new SecurityException("Shell does not have permission to access user " 3971 + userHandle); 3972 } else if (userHandle < 0) { 3973 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3974 + Debug.getCallers(3)); 3975 } 3976 } 3977 } 3978 3979 private BasePermission findPermissionTreeLP(String permName) { 3980 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3981 if (permName.startsWith(bp.name) && 3982 permName.length() > bp.name.length() && 3983 permName.charAt(bp.name.length()) == '.') { 3984 return bp; 3985 } 3986 } 3987 return null; 3988 } 3989 3990 private BasePermission checkPermissionTreeLP(String permName) { 3991 if (permName != null) { 3992 BasePermission bp = findPermissionTreeLP(permName); 3993 if (bp != null) { 3994 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3995 return bp; 3996 } 3997 throw new SecurityException("Calling uid " 3998 + Binder.getCallingUid() 3999 + " is not allowed to add to permission tree " 4000 + bp.name + " owned by uid " + bp.uid); 4001 } 4002 } 4003 throw new SecurityException("No permission tree found for " + permName); 4004 } 4005 4006 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4007 if (s1 == null) { 4008 return s2 == null; 4009 } 4010 if (s2 == null) { 4011 return false; 4012 } 4013 if (s1.getClass() != s2.getClass()) { 4014 return false; 4015 } 4016 return s1.equals(s2); 4017 } 4018 4019 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4020 if (pi1.icon != pi2.icon) return false; 4021 if (pi1.logo != pi2.logo) return false; 4022 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4023 if (!compareStrings(pi1.name, pi2.name)) return false; 4024 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4025 // We'll take care of setting this one. 4026 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4027 // These are not currently stored in settings. 4028 //if (!compareStrings(pi1.group, pi2.group)) return false; 4029 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4030 //if (pi1.labelRes != pi2.labelRes) return false; 4031 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4032 return true; 4033 } 4034 4035 int permissionInfoFootprint(PermissionInfo info) { 4036 int size = info.name.length(); 4037 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4038 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4039 return size; 4040 } 4041 4042 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4043 int size = 0; 4044 for (BasePermission perm : mSettings.mPermissions.values()) { 4045 if (perm.uid == tree.uid) { 4046 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4047 } 4048 } 4049 return size; 4050 } 4051 4052 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4053 // We calculate the max size of permissions defined by this uid and throw 4054 // if that plus the size of 'info' would exceed our stated maximum. 4055 if (tree.uid != Process.SYSTEM_UID) { 4056 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4057 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4058 throw new SecurityException("Permission tree size cap exceeded"); 4059 } 4060 } 4061 } 4062 4063 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4064 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4065 throw new SecurityException("Label must be specified in permission"); 4066 } 4067 BasePermission tree = checkPermissionTreeLP(info.name); 4068 BasePermission bp = mSettings.mPermissions.get(info.name); 4069 boolean added = bp == null; 4070 boolean changed = true; 4071 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4072 if (added) { 4073 enforcePermissionCapLocked(info, tree); 4074 bp = new BasePermission(info.name, tree.sourcePackage, 4075 BasePermission.TYPE_DYNAMIC); 4076 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4077 throw new SecurityException( 4078 "Not allowed to modify non-dynamic permission " 4079 + info.name); 4080 } else { 4081 if (bp.protectionLevel == fixedLevel 4082 && bp.perm.owner.equals(tree.perm.owner) 4083 && bp.uid == tree.uid 4084 && comparePermissionInfos(bp.perm.info, info)) { 4085 changed = false; 4086 } 4087 } 4088 bp.protectionLevel = fixedLevel; 4089 info = new PermissionInfo(info); 4090 info.protectionLevel = fixedLevel; 4091 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4092 bp.perm.info.packageName = tree.perm.info.packageName; 4093 bp.uid = tree.uid; 4094 if (added) { 4095 mSettings.mPermissions.put(info.name, bp); 4096 } 4097 if (changed) { 4098 if (!async) { 4099 mSettings.writeLPr(); 4100 } else { 4101 scheduleWriteSettingsLocked(); 4102 } 4103 } 4104 return added; 4105 } 4106 4107 @Override 4108 public boolean addPermission(PermissionInfo info) { 4109 synchronized (mPackages) { 4110 return addPermissionLocked(info, false); 4111 } 4112 } 4113 4114 @Override 4115 public boolean addPermissionAsync(PermissionInfo info) { 4116 synchronized (mPackages) { 4117 return addPermissionLocked(info, true); 4118 } 4119 } 4120 4121 @Override 4122 public void removePermission(String name) { 4123 synchronized (mPackages) { 4124 checkPermissionTreeLP(name); 4125 BasePermission bp = mSettings.mPermissions.get(name); 4126 if (bp != null) { 4127 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4128 throw new SecurityException( 4129 "Not allowed to modify non-dynamic permission " 4130 + name); 4131 } 4132 mSettings.mPermissions.remove(name); 4133 mSettings.writeLPr(); 4134 } 4135 } 4136 } 4137 4138 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4139 BasePermission bp) { 4140 int index = pkg.requestedPermissions.indexOf(bp.name); 4141 if (index == -1) { 4142 throw new SecurityException("Package " + pkg.packageName 4143 + " has not requested permission " + bp.name); 4144 } 4145 if (!bp.isRuntime() && !bp.isDevelopment()) { 4146 throw new SecurityException("Permission " + bp.name 4147 + " is not a changeable permission type"); 4148 } 4149 } 4150 4151 @Override 4152 public void grantRuntimePermission(String packageName, String name, final int userId) { 4153 if (!sUserManager.exists(userId)) { 4154 Log.e(TAG, "No such user:" + userId); 4155 return; 4156 } 4157 4158 mContext.enforceCallingOrSelfPermission( 4159 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4160 "grantRuntimePermission"); 4161 4162 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4163 true /* requireFullPermission */, true /* checkShell */, 4164 "grantRuntimePermission"); 4165 4166 final int uid; 4167 final SettingBase sb; 4168 4169 synchronized (mPackages) { 4170 final PackageParser.Package pkg = mPackages.get(packageName); 4171 if (pkg == null) { 4172 throw new IllegalArgumentException("Unknown package: " + packageName); 4173 } 4174 4175 final BasePermission bp = mSettings.mPermissions.get(name); 4176 if (bp == null) { 4177 throw new IllegalArgumentException("Unknown permission: " + name); 4178 } 4179 4180 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4181 4182 // If a permission review is required for legacy apps we represent 4183 // their permissions as always granted runtime ones since we need 4184 // to keep the review required permission flag per user while an 4185 // install permission's state is shared across all users. 4186 if (Build.PERMISSIONS_REVIEW_REQUIRED 4187 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4188 && bp.isRuntime()) { 4189 return; 4190 } 4191 4192 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4193 sb = (SettingBase) pkg.mExtras; 4194 if (sb == null) { 4195 throw new IllegalArgumentException("Unknown package: " + packageName); 4196 } 4197 4198 final PermissionsState permissionsState = sb.getPermissionsState(); 4199 4200 final int flags = permissionsState.getPermissionFlags(name, userId); 4201 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4202 throw new SecurityException("Cannot grant system fixed permission " 4203 + name + " for package " + packageName); 4204 } 4205 4206 if (bp.isDevelopment()) { 4207 // Development permissions must be handled specially, since they are not 4208 // normal runtime permissions. For now they apply to all users. 4209 if (permissionsState.grantInstallPermission(bp) != 4210 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4211 scheduleWriteSettingsLocked(); 4212 } 4213 return; 4214 } 4215 4216 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4217 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4218 return; 4219 } 4220 4221 final int result = permissionsState.grantRuntimePermission(bp, userId); 4222 switch (result) { 4223 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4224 return; 4225 } 4226 4227 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4228 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4229 mHandler.post(new Runnable() { 4230 @Override 4231 public void run() { 4232 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4233 } 4234 }); 4235 } 4236 break; 4237 } 4238 4239 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4240 4241 // Not critical if that is lost - app has to request again. 4242 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4243 } 4244 4245 // Only need to do this if user is initialized. Otherwise it's a new user 4246 // and there are no processes running as the user yet and there's no need 4247 // to make an expensive call to remount processes for the changed permissions. 4248 if (READ_EXTERNAL_STORAGE.equals(name) 4249 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4250 final long token = Binder.clearCallingIdentity(); 4251 try { 4252 if (sUserManager.isInitialized(userId)) { 4253 MountServiceInternal mountServiceInternal = LocalServices.getService( 4254 MountServiceInternal.class); 4255 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4256 } 4257 } finally { 4258 Binder.restoreCallingIdentity(token); 4259 } 4260 } 4261 } 4262 4263 @Override 4264 public void revokeRuntimePermission(String packageName, String name, int userId) { 4265 if (!sUserManager.exists(userId)) { 4266 Log.e(TAG, "No such user:" + userId); 4267 return; 4268 } 4269 4270 mContext.enforceCallingOrSelfPermission( 4271 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4272 "revokeRuntimePermission"); 4273 4274 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4275 true /* requireFullPermission */, true /* checkShell */, 4276 "revokeRuntimePermission"); 4277 4278 final int appId; 4279 4280 synchronized (mPackages) { 4281 final PackageParser.Package pkg = mPackages.get(packageName); 4282 if (pkg == null) { 4283 throw new IllegalArgumentException("Unknown package: " + packageName); 4284 } 4285 4286 final BasePermission bp = mSettings.mPermissions.get(name); 4287 if (bp == null) { 4288 throw new IllegalArgumentException("Unknown permission: " + name); 4289 } 4290 4291 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4292 4293 // If a permission review is required for legacy apps we represent 4294 // their permissions as always granted runtime ones since we need 4295 // to keep the review required permission flag per user while an 4296 // install permission's state is shared across all users. 4297 if (Build.PERMISSIONS_REVIEW_REQUIRED 4298 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4299 && bp.isRuntime()) { 4300 return; 4301 } 4302 4303 SettingBase sb = (SettingBase) pkg.mExtras; 4304 if (sb == null) { 4305 throw new IllegalArgumentException("Unknown package: " + packageName); 4306 } 4307 4308 final PermissionsState permissionsState = sb.getPermissionsState(); 4309 4310 final int flags = permissionsState.getPermissionFlags(name, userId); 4311 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4312 throw new SecurityException("Cannot revoke system fixed permission " 4313 + name + " for package " + packageName); 4314 } 4315 4316 if (bp.isDevelopment()) { 4317 // Development permissions must be handled specially, since they are not 4318 // normal runtime permissions. For now they apply to all users. 4319 if (permissionsState.revokeInstallPermission(bp) != 4320 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4321 scheduleWriteSettingsLocked(); 4322 } 4323 return; 4324 } 4325 4326 if (permissionsState.revokeRuntimePermission(bp, userId) == 4327 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4328 return; 4329 } 4330 4331 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4332 4333 // Critical, after this call app should never have the permission. 4334 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4335 4336 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4337 } 4338 4339 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4340 } 4341 4342 @Override 4343 public void resetRuntimePermissions() { 4344 mContext.enforceCallingOrSelfPermission( 4345 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4346 "revokeRuntimePermission"); 4347 4348 int callingUid = Binder.getCallingUid(); 4349 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4350 mContext.enforceCallingOrSelfPermission( 4351 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4352 "resetRuntimePermissions"); 4353 } 4354 4355 synchronized (mPackages) { 4356 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4357 for (int userId : UserManagerService.getInstance().getUserIds()) { 4358 final int packageCount = mPackages.size(); 4359 for (int i = 0; i < packageCount; i++) { 4360 PackageParser.Package pkg = mPackages.valueAt(i); 4361 if (!(pkg.mExtras instanceof PackageSetting)) { 4362 continue; 4363 } 4364 PackageSetting ps = (PackageSetting) pkg.mExtras; 4365 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4366 } 4367 } 4368 } 4369 } 4370 4371 @Override 4372 public int getPermissionFlags(String name, String packageName, int userId) { 4373 if (!sUserManager.exists(userId)) { 4374 return 0; 4375 } 4376 4377 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4378 4379 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4380 true /* requireFullPermission */, false /* checkShell */, 4381 "getPermissionFlags"); 4382 4383 synchronized (mPackages) { 4384 final PackageParser.Package pkg = mPackages.get(packageName); 4385 if (pkg == null) { 4386 return 0; 4387 } 4388 4389 final BasePermission bp = mSettings.mPermissions.get(name); 4390 if (bp == null) { 4391 return 0; 4392 } 4393 4394 SettingBase sb = (SettingBase) pkg.mExtras; 4395 if (sb == null) { 4396 return 0; 4397 } 4398 4399 PermissionsState permissionsState = sb.getPermissionsState(); 4400 return permissionsState.getPermissionFlags(name, userId); 4401 } 4402 } 4403 4404 @Override 4405 public void updatePermissionFlags(String name, String packageName, int flagMask, 4406 int flagValues, int userId) { 4407 if (!sUserManager.exists(userId)) { 4408 return; 4409 } 4410 4411 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4412 4413 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4414 true /* requireFullPermission */, true /* checkShell */, 4415 "updatePermissionFlags"); 4416 4417 // Only the system can change these flags and nothing else. 4418 if (getCallingUid() != Process.SYSTEM_UID) { 4419 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4420 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4421 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4422 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4423 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4424 } 4425 4426 synchronized (mPackages) { 4427 final PackageParser.Package pkg = mPackages.get(packageName); 4428 if (pkg == null) { 4429 throw new IllegalArgumentException("Unknown package: " + packageName); 4430 } 4431 4432 final BasePermission bp = mSettings.mPermissions.get(name); 4433 if (bp == null) { 4434 throw new IllegalArgumentException("Unknown permission: " + name); 4435 } 4436 4437 SettingBase sb = (SettingBase) pkg.mExtras; 4438 if (sb == null) { 4439 throw new IllegalArgumentException("Unknown package: " + packageName); 4440 } 4441 4442 PermissionsState permissionsState = sb.getPermissionsState(); 4443 4444 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4445 4446 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4447 // Install and runtime permissions are stored in different places, 4448 // so figure out what permission changed and persist the change. 4449 if (permissionsState.getInstallPermissionState(name) != null) { 4450 scheduleWriteSettingsLocked(); 4451 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4452 || hadState) { 4453 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4454 } 4455 } 4456 } 4457 } 4458 4459 /** 4460 * Update the permission flags for all packages and runtime permissions of a user in order 4461 * to allow device or profile owner to remove POLICY_FIXED. 4462 */ 4463 @Override 4464 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4465 if (!sUserManager.exists(userId)) { 4466 return; 4467 } 4468 4469 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4470 4471 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4472 true /* requireFullPermission */, true /* checkShell */, 4473 "updatePermissionFlagsForAllApps"); 4474 4475 // Only the system can change system fixed flags. 4476 if (getCallingUid() != Process.SYSTEM_UID) { 4477 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4478 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4479 } 4480 4481 synchronized (mPackages) { 4482 boolean changed = false; 4483 final int packageCount = mPackages.size(); 4484 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4485 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4486 SettingBase sb = (SettingBase) pkg.mExtras; 4487 if (sb == null) { 4488 continue; 4489 } 4490 PermissionsState permissionsState = sb.getPermissionsState(); 4491 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4492 userId, flagMask, flagValues); 4493 } 4494 if (changed) { 4495 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4496 } 4497 } 4498 } 4499 4500 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4501 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4502 != PackageManager.PERMISSION_GRANTED 4503 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4504 != PackageManager.PERMISSION_GRANTED) { 4505 throw new SecurityException(message + " requires " 4506 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4507 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4508 } 4509 } 4510 4511 @Override 4512 public boolean shouldShowRequestPermissionRationale(String permissionName, 4513 String packageName, int userId) { 4514 if (UserHandle.getCallingUserId() != userId) { 4515 mContext.enforceCallingPermission( 4516 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4517 "canShowRequestPermissionRationale for user " + userId); 4518 } 4519 4520 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4521 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4522 return false; 4523 } 4524 4525 if (checkPermission(permissionName, packageName, userId) 4526 == PackageManager.PERMISSION_GRANTED) { 4527 return false; 4528 } 4529 4530 final int flags; 4531 4532 final long identity = Binder.clearCallingIdentity(); 4533 try { 4534 flags = getPermissionFlags(permissionName, 4535 packageName, userId); 4536 } finally { 4537 Binder.restoreCallingIdentity(identity); 4538 } 4539 4540 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4541 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4542 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4543 4544 if ((flags & fixedFlags) != 0) { 4545 return false; 4546 } 4547 4548 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4549 } 4550 4551 @Override 4552 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4553 mContext.enforceCallingOrSelfPermission( 4554 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4555 "addOnPermissionsChangeListener"); 4556 4557 synchronized (mPackages) { 4558 mOnPermissionChangeListeners.addListenerLocked(listener); 4559 } 4560 } 4561 4562 @Override 4563 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4564 synchronized (mPackages) { 4565 mOnPermissionChangeListeners.removeListenerLocked(listener); 4566 } 4567 } 4568 4569 @Override 4570 public boolean isProtectedBroadcast(String actionName) { 4571 synchronized (mPackages) { 4572 if (mProtectedBroadcasts.contains(actionName)) { 4573 return true; 4574 } else if (actionName != null) { 4575 // TODO: remove these terrible hacks 4576 if (actionName.startsWith("android.net.netmon.lingerExpired") 4577 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4578 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4579 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4580 return true; 4581 } 4582 } 4583 } 4584 return false; 4585 } 4586 4587 @Override 4588 public int checkSignatures(String pkg1, String pkg2) { 4589 synchronized (mPackages) { 4590 final PackageParser.Package p1 = mPackages.get(pkg1); 4591 final PackageParser.Package p2 = mPackages.get(pkg2); 4592 if (p1 == null || p1.mExtras == null 4593 || p2 == null || p2.mExtras == null) { 4594 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4595 } 4596 return compareSignatures(p1.mSignatures, p2.mSignatures); 4597 } 4598 } 4599 4600 @Override 4601 public int checkUidSignatures(int uid1, int uid2) { 4602 // Map to base uids. 4603 uid1 = UserHandle.getAppId(uid1); 4604 uid2 = UserHandle.getAppId(uid2); 4605 // reader 4606 synchronized (mPackages) { 4607 Signature[] s1; 4608 Signature[] s2; 4609 Object obj = mSettings.getUserIdLPr(uid1); 4610 if (obj != null) { 4611 if (obj instanceof SharedUserSetting) { 4612 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4613 } else if (obj instanceof PackageSetting) { 4614 s1 = ((PackageSetting)obj).signatures.mSignatures; 4615 } else { 4616 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4617 } 4618 } else { 4619 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4620 } 4621 obj = mSettings.getUserIdLPr(uid2); 4622 if (obj != null) { 4623 if (obj instanceof SharedUserSetting) { 4624 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4625 } else if (obj instanceof PackageSetting) { 4626 s2 = ((PackageSetting)obj).signatures.mSignatures; 4627 } else { 4628 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4629 } 4630 } else { 4631 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4632 } 4633 return compareSignatures(s1, s2); 4634 } 4635 } 4636 4637 /** 4638 * This method should typically only be used when granting or revoking 4639 * permissions, since the app may immediately restart after this call. 4640 * <p> 4641 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4642 * guard your work against the app being relaunched. 4643 */ 4644 private void killUid(int appId, int userId, String reason) { 4645 final long identity = Binder.clearCallingIdentity(); 4646 try { 4647 IActivityManager am = ActivityManagerNative.getDefault(); 4648 if (am != null) { 4649 try { 4650 am.killUid(appId, userId, reason); 4651 } catch (RemoteException e) { 4652 /* ignore - same process */ 4653 } 4654 } 4655 } finally { 4656 Binder.restoreCallingIdentity(identity); 4657 } 4658 } 4659 4660 /** 4661 * Compares two sets of signatures. Returns: 4662 * <br /> 4663 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4664 * <br /> 4665 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4666 * <br /> 4667 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4668 * <br /> 4669 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4670 * <br /> 4671 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4672 */ 4673 static int compareSignatures(Signature[] s1, Signature[] s2) { 4674 if (s1 == null) { 4675 return s2 == null 4676 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4677 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4678 } 4679 4680 if (s2 == null) { 4681 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4682 } 4683 4684 if (s1.length != s2.length) { 4685 return PackageManager.SIGNATURE_NO_MATCH; 4686 } 4687 4688 // Since both signature sets are of size 1, we can compare without HashSets. 4689 if (s1.length == 1) { 4690 return s1[0].equals(s2[0]) ? 4691 PackageManager.SIGNATURE_MATCH : 4692 PackageManager.SIGNATURE_NO_MATCH; 4693 } 4694 4695 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4696 for (Signature sig : s1) { 4697 set1.add(sig); 4698 } 4699 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4700 for (Signature sig : s2) { 4701 set2.add(sig); 4702 } 4703 // Make sure s2 contains all signatures in s1. 4704 if (set1.equals(set2)) { 4705 return PackageManager.SIGNATURE_MATCH; 4706 } 4707 return PackageManager.SIGNATURE_NO_MATCH; 4708 } 4709 4710 /** 4711 * If the database version for this type of package (internal storage or 4712 * external storage) is less than the version where package signatures 4713 * were updated, return true. 4714 */ 4715 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4716 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4717 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4718 } 4719 4720 /** 4721 * Used for backward compatibility to make sure any packages with 4722 * certificate chains get upgraded to the new style. {@code existingSigs} 4723 * will be in the old format (since they were stored on disk from before the 4724 * system upgrade) and {@code scannedSigs} will be in the newer format. 4725 */ 4726 private int compareSignaturesCompat(PackageSignatures existingSigs, 4727 PackageParser.Package scannedPkg) { 4728 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4729 return PackageManager.SIGNATURE_NO_MATCH; 4730 } 4731 4732 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4733 for (Signature sig : existingSigs.mSignatures) { 4734 existingSet.add(sig); 4735 } 4736 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4737 for (Signature sig : scannedPkg.mSignatures) { 4738 try { 4739 Signature[] chainSignatures = sig.getChainSignatures(); 4740 for (Signature chainSig : chainSignatures) { 4741 scannedCompatSet.add(chainSig); 4742 } 4743 } catch (CertificateEncodingException e) { 4744 scannedCompatSet.add(sig); 4745 } 4746 } 4747 /* 4748 * Make sure the expanded scanned set contains all signatures in the 4749 * existing one. 4750 */ 4751 if (scannedCompatSet.equals(existingSet)) { 4752 // Migrate the old signatures to the new scheme. 4753 existingSigs.assignSignatures(scannedPkg.mSignatures); 4754 // The new KeySets will be re-added later in the scanning process. 4755 synchronized (mPackages) { 4756 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4757 } 4758 return PackageManager.SIGNATURE_MATCH; 4759 } 4760 return PackageManager.SIGNATURE_NO_MATCH; 4761 } 4762 4763 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4764 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4765 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4766 } 4767 4768 private int compareSignaturesRecover(PackageSignatures existingSigs, 4769 PackageParser.Package scannedPkg) { 4770 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4771 return PackageManager.SIGNATURE_NO_MATCH; 4772 } 4773 4774 String msg = null; 4775 try { 4776 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4777 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4778 + scannedPkg.packageName); 4779 return PackageManager.SIGNATURE_MATCH; 4780 } 4781 } catch (CertificateException e) { 4782 msg = e.getMessage(); 4783 } 4784 4785 logCriticalInfo(Log.INFO, 4786 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4787 return PackageManager.SIGNATURE_NO_MATCH; 4788 } 4789 4790 @Override 4791 public List<String> getAllPackages() { 4792 synchronized (mPackages) { 4793 return new ArrayList<String>(mPackages.keySet()); 4794 } 4795 } 4796 4797 @Override 4798 public String[] getPackagesForUid(int uid) { 4799 uid = UserHandle.getAppId(uid); 4800 // reader 4801 synchronized (mPackages) { 4802 Object obj = mSettings.getUserIdLPr(uid); 4803 if (obj instanceof SharedUserSetting) { 4804 final SharedUserSetting sus = (SharedUserSetting) obj; 4805 final int N = sus.packages.size(); 4806 final String[] res = new String[N]; 4807 for (int i = 0; i < N; i++) { 4808 res[i] = sus.packages.valueAt(i).name; 4809 } 4810 return res; 4811 } else if (obj instanceof PackageSetting) { 4812 final PackageSetting ps = (PackageSetting) obj; 4813 return new String[] { ps.name }; 4814 } 4815 } 4816 return null; 4817 } 4818 4819 @Override 4820 public String getNameForUid(int uid) { 4821 // reader 4822 synchronized (mPackages) { 4823 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4824 if (obj instanceof SharedUserSetting) { 4825 final SharedUserSetting sus = (SharedUserSetting) obj; 4826 return sus.name + ":" + sus.userId; 4827 } else if (obj instanceof PackageSetting) { 4828 final PackageSetting ps = (PackageSetting) obj; 4829 return ps.name; 4830 } 4831 } 4832 return null; 4833 } 4834 4835 @Override 4836 public int getUidForSharedUser(String sharedUserName) { 4837 if(sharedUserName == null) { 4838 return -1; 4839 } 4840 // reader 4841 synchronized (mPackages) { 4842 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4843 if (suid == null) { 4844 return -1; 4845 } 4846 return suid.userId; 4847 } 4848 } 4849 4850 @Override 4851 public int getFlagsForUid(int uid) { 4852 synchronized (mPackages) { 4853 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4854 if (obj instanceof SharedUserSetting) { 4855 final SharedUserSetting sus = (SharedUserSetting) obj; 4856 return sus.pkgFlags; 4857 } else if (obj instanceof PackageSetting) { 4858 final PackageSetting ps = (PackageSetting) obj; 4859 return ps.pkgFlags; 4860 } 4861 } 4862 return 0; 4863 } 4864 4865 @Override 4866 public int getPrivateFlagsForUid(int uid) { 4867 synchronized (mPackages) { 4868 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4869 if (obj instanceof SharedUserSetting) { 4870 final SharedUserSetting sus = (SharedUserSetting) obj; 4871 return sus.pkgPrivateFlags; 4872 } else if (obj instanceof PackageSetting) { 4873 final PackageSetting ps = (PackageSetting) obj; 4874 return ps.pkgPrivateFlags; 4875 } 4876 } 4877 return 0; 4878 } 4879 4880 @Override 4881 public boolean isUidPrivileged(int uid) { 4882 uid = UserHandle.getAppId(uid); 4883 // reader 4884 synchronized (mPackages) { 4885 Object obj = mSettings.getUserIdLPr(uid); 4886 if (obj instanceof SharedUserSetting) { 4887 final SharedUserSetting sus = (SharedUserSetting) obj; 4888 final Iterator<PackageSetting> it = sus.packages.iterator(); 4889 while (it.hasNext()) { 4890 if (it.next().isPrivileged()) { 4891 return true; 4892 } 4893 } 4894 } else if (obj instanceof PackageSetting) { 4895 final PackageSetting ps = (PackageSetting) obj; 4896 return ps.isPrivileged(); 4897 } 4898 } 4899 return false; 4900 } 4901 4902 @Override 4903 public String[] getAppOpPermissionPackages(String permissionName) { 4904 synchronized (mPackages) { 4905 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4906 if (pkgs == null) { 4907 return null; 4908 } 4909 return pkgs.toArray(new String[pkgs.size()]); 4910 } 4911 } 4912 4913 @Override 4914 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4915 int flags, int userId) { 4916 try { 4917 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4918 4919 if (!sUserManager.exists(userId)) return null; 4920 flags = updateFlagsForResolve(flags, userId, intent); 4921 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4922 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4923 4924 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4925 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4926 flags, userId); 4927 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4928 4929 final ResolveInfo bestChoice = 4930 chooseBestActivity(intent, resolvedType, flags, query, userId); 4931 4932 if (isEphemeralAllowed(intent, query, userId)) { 4933 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4934 final EphemeralResolveInfo ai = 4935 getEphemeralResolveInfo(intent, resolvedType, userId); 4936 if (ai != null) { 4937 if (DEBUG_EPHEMERAL) { 4938 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4939 } 4940 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4941 bestChoice.ephemeralResolveInfo = ai; 4942 } 4943 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4944 } 4945 return bestChoice; 4946 } finally { 4947 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4948 } 4949 } 4950 4951 @Override 4952 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4953 IntentFilter filter, int match, ComponentName activity) { 4954 final int userId = UserHandle.getCallingUserId(); 4955 if (DEBUG_PREFERRED) { 4956 Log.v(TAG, "setLastChosenActivity intent=" + intent 4957 + " resolvedType=" + resolvedType 4958 + " flags=" + flags 4959 + " filter=" + filter 4960 + " match=" + match 4961 + " activity=" + activity); 4962 filter.dump(new PrintStreamPrinter(System.out), " "); 4963 } 4964 intent.setComponent(null); 4965 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4966 userId); 4967 // Find any earlier preferred or last chosen entries and nuke them 4968 findPreferredActivity(intent, resolvedType, 4969 flags, query, 0, false, true, false, userId); 4970 // Add the new activity as the last chosen for this filter 4971 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4972 "Setting last chosen"); 4973 } 4974 4975 @Override 4976 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4977 final int userId = UserHandle.getCallingUserId(); 4978 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4979 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4980 userId); 4981 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4982 false, false, false, userId); 4983 } 4984 4985 4986 private boolean isEphemeralAllowed( 4987 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4988 // Short circuit and return early if possible. 4989 if (DISABLE_EPHEMERAL_APPS) { 4990 return false; 4991 } 4992 final int callingUser = UserHandle.getCallingUserId(); 4993 if (callingUser != UserHandle.USER_SYSTEM) { 4994 return false; 4995 } 4996 if (mEphemeralResolverConnection == null) { 4997 return false; 4998 } 4999 if (intent.getComponent() != null) { 5000 return false; 5001 } 5002 if (intent.getPackage() != null) { 5003 return false; 5004 } 5005 final boolean isWebUri = hasWebURI(intent); 5006 if (!isWebUri) { 5007 return false; 5008 } 5009 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5010 synchronized (mPackages) { 5011 final int count = resolvedActivites.size(); 5012 for (int n = 0; n < count; n++) { 5013 ResolveInfo info = resolvedActivites.get(n); 5014 String packageName = info.activityInfo.packageName; 5015 PackageSetting ps = mSettings.mPackages.get(packageName); 5016 if (ps != null) { 5017 // Try to get the status from User settings first 5018 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5019 int status = (int) (packedStatus >> 32); 5020 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5021 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5022 if (DEBUG_EPHEMERAL) { 5023 Slog.v(TAG, "DENY ephemeral apps;" 5024 + " pkg: " + packageName + ", status: " + status); 5025 } 5026 return false; 5027 } 5028 } 5029 } 5030 } 5031 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5032 return true; 5033 } 5034 5035 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 5036 int userId) { 5037 final int ephemeralPrefixMask = Global.getInt(mContext.getContentResolver(), 5038 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 5039 final int ephemeralPrefixCount = Global.getInt(mContext.getContentResolver(), 5040 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 5041 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 5042 ephemeralPrefixCount); 5043 final int[] shaPrefix = digest.getDigestPrefix(); 5044 final byte[][] digestBytes = digest.getDigestBytes(); 5045 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 5046 mEphemeralResolverConnection.getEphemeralResolveInfoList( 5047 shaPrefix, ephemeralPrefixMask); 5048 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 5049 // No hash prefix match; there are no ephemeral apps for this domain. 5050 return null; 5051 } 5052 5053 // Go in reverse order so we match the narrowest scope first. 5054 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 5055 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 5056 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 5057 continue; 5058 } 5059 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 5060 // No filters; this should never happen. 5061 if (filters.isEmpty()) { 5062 continue; 5063 } 5064 // We have a domain match; resolve the filters to see if anything matches. 5065 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 5066 for (int j = filters.size() - 1; j >= 0; --j) { 5067 final EphemeralResolveIntentInfo intentInfo = 5068 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 5069 ephemeralResolver.addFilter(intentInfo); 5070 } 5071 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 5072 intent, resolvedType, false /*defaultOnly*/, userId); 5073 if (!matchedResolveInfoList.isEmpty()) { 5074 return matchedResolveInfoList.get(0); 5075 } 5076 } 5077 } 5078 // Hash or filter mis-match; no ephemeral apps for this domain. 5079 return null; 5080 } 5081 5082 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5083 int flags, List<ResolveInfo> query, int userId) { 5084 if (query != null) { 5085 final int N = query.size(); 5086 if (N == 1) { 5087 return query.get(0); 5088 } else if (N > 1) { 5089 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5090 // If there is more than one activity with the same priority, 5091 // then let the user decide between them. 5092 ResolveInfo r0 = query.get(0); 5093 ResolveInfo r1 = query.get(1); 5094 if (DEBUG_INTENT_MATCHING || debug) { 5095 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5096 + r1.activityInfo.name + "=" + r1.priority); 5097 } 5098 // If the first activity has a higher priority, or a different 5099 // default, then it is always desirable to pick it. 5100 if (r0.priority != r1.priority 5101 || r0.preferredOrder != r1.preferredOrder 5102 || r0.isDefault != r1.isDefault) { 5103 return query.get(0); 5104 } 5105 // If we have saved a preference for a preferred activity for 5106 // this Intent, use that. 5107 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5108 flags, query, r0.priority, true, false, debug, userId); 5109 if (ri != null) { 5110 return ri; 5111 } 5112 ri = new ResolveInfo(mResolveInfo); 5113 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5114 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5115 // If all of the options come from the same package, show the application's 5116 // label and icon instead of the generic resolver's. 5117 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5118 // and then throw away the ResolveInfo itself, meaning that the caller loses 5119 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5120 // a fallback for this case; we only set the target package's resources on 5121 // the ResolveInfo, not the ActivityInfo. 5122 final String intentPackage = intent.getPackage(); 5123 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5124 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5125 ri.resolvePackageName = intentPackage; 5126 if (userNeedsBadging(userId)) { 5127 ri.noResourceId = true; 5128 } else { 5129 ri.icon = appi.icon; 5130 } 5131 ri.iconResourceId = appi.icon; 5132 ri.labelRes = appi.labelRes; 5133 } 5134 ri.activityInfo.applicationInfo = new ApplicationInfo( 5135 ri.activityInfo.applicationInfo); 5136 if (userId != 0) { 5137 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5138 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5139 } 5140 // Make sure that the resolver is displayable in car mode 5141 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5142 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5143 return ri; 5144 } 5145 } 5146 return null; 5147 } 5148 5149 /** 5150 * Return true if the given list is not empty and all of its contents have 5151 * an activityInfo with the given package name. 5152 */ 5153 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5154 if (ArrayUtils.isEmpty(list)) { 5155 return false; 5156 } 5157 for (int i = 0, N = list.size(); i < N; i++) { 5158 final ResolveInfo ri = list.get(i); 5159 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5160 if (ai == null || !packageName.equals(ai.packageName)) { 5161 return false; 5162 } 5163 } 5164 return true; 5165 } 5166 5167 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5168 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5169 final int N = query.size(); 5170 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5171 .get(userId); 5172 // Get the list of persistent preferred activities that handle the intent 5173 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5174 List<PersistentPreferredActivity> pprefs = ppir != null 5175 ? ppir.queryIntent(intent, resolvedType, 5176 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5177 : null; 5178 if (pprefs != null && pprefs.size() > 0) { 5179 final int M = pprefs.size(); 5180 for (int i=0; i<M; i++) { 5181 final PersistentPreferredActivity ppa = pprefs.get(i); 5182 if (DEBUG_PREFERRED || debug) { 5183 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5184 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5185 + "\n component=" + ppa.mComponent); 5186 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5187 } 5188 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5189 flags | MATCH_DISABLED_COMPONENTS, userId); 5190 if (DEBUG_PREFERRED || debug) { 5191 Slog.v(TAG, "Found persistent preferred activity:"); 5192 if (ai != null) { 5193 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5194 } else { 5195 Slog.v(TAG, " null"); 5196 } 5197 } 5198 if (ai == null) { 5199 // This previously registered persistent preferred activity 5200 // component is no longer known. Ignore it and do NOT remove it. 5201 continue; 5202 } 5203 for (int j=0; j<N; j++) { 5204 final ResolveInfo ri = query.get(j); 5205 if (!ri.activityInfo.applicationInfo.packageName 5206 .equals(ai.applicationInfo.packageName)) { 5207 continue; 5208 } 5209 if (!ri.activityInfo.name.equals(ai.name)) { 5210 continue; 5211 } 5212 // Found a persistent preference that can handle the intent. 5213 if (DEBUG_PREFERRED || debug) { 5214 Slog.v(TAG, "Returning persistent preferred activity: " + 5215 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5216 } 5217 return ri; 5218 } 5219 } 5220 } 5221 return null; 5222 } 5223 5224 // TODO: handle preferred activities missing while user has amnesia 5225 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5226 List<ResolveInfo> query, int priority, boolean always, 5227 boolean removeMatches, boolean debug, int userId) { 5228 if (!sUserManager.exists(userId)) return null; 5229 flags = updateFlagsForResolve(flags, userId, intent); 5230 // writer 5231 synchronized (mPackages) { 5232 if (intent.getSelector() != null) { 5233 intent = intent.getSelector(); 5234 } 5235 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5236 5237 // Try to find a matching persistent preferred activity. 5238 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5239 debug, userId); 5240 5241 // If a persistent preferred activity matched, use it. 5242 if (pri != null) { 5243 return pri; 5244 } 5245 5246 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5247 // Get the list of preferred activities that handle the intent 5248 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5249 List<PreferredActivity> prefs = pir != null 5250 ? pir.queryIntent(intent, resolvedType, 5251 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5252 : null; 5253 if (prefs != null && prefs.size() > 0) { 5254 boolean changed = false; 5255 try { 5256 // First figure out how good the original match set is. 5257 // We will only allow preferred activities that came 5258 // from the same match quality. 5259 int match = 0; 5260 5261 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5262 5263 final int N = query.size(); 5264 for (int j=0; j<N; j++) { 5265 final ResolveInfo ri = query.get(j); 5266 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5267 + ": 0x" + Integer.toHexString(match)); 5268 if (ri.match > match) { 5269 match = ri.match; 5270 } 5271 } 5272 5273 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5274 + Integer.toHexString(match)); 5275 5276 match &= IntentFilter.MATCH_CATEGORY_MASK; 5277 final int M = prefs.size(); 5278 for (int i=0; i<M; i++) { 5279 final PreferredActivity pa = prefs.get(i); 5280 if (DEBUG_PREFERRED || debug) { 5281 Slog.v(TAG, "Checking PreferredActivity ds=" 5282 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5283 + "\n component=" + pa.mPref.mComponent); 5284 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5285 } 5286 if (pa.mPref.mMatch != match) { 5287 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5288 + Integer.toHexString(pa.mPref.mMatch)); 5289 continue; 5290 } 5291 // If it's not an "always" type preferred activity and that's what we're 5292 // looking for, skip it. 5293 if (always && !pa.mPref.mAlways) { 5294 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5295 continue; 5296 } 5297 final ActivityInfo ai = getActivityInfo( 5298 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5299 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5300 userId); 5301 if (DEBUG_PREFERRED || debug) { 5302 Slog.v(TAG, "Found preferred activity:"); 5303 if (ai != null) { 5304 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5305 } else { 5306 Slog.v(TAG, " null"); 5307 } 5308 } 5309 if (ai == null) { 5310 // This previously registered preferred activity 5311 // component is no longer known. Most likely an update 5312 // to the app was installed and in the new version this 5313 // component no longer exists. Clean it up by removing 5314 // it from the preferred activities list, and skip it. 5315 Slog.w(TAG, "Removing dangling preferred activity: " 5316 + pa.mPref.mComponent); 5317 pir.removeFilter(pa); 5318 changed = true; 5319 continue; 5320 } 5321 for (int j=0; j<N; j++) { 5322 final ResolveInfo ri = query.get(j); 5323 if (!ri.activityInfo.applicationInfo.packageName 5324 .equals(ai.applicationInfo.packageName)) { 5325 continue; 5326 } 5327 if (!ri.activityInfo.name.equals(ai.name)) { 5328 continue; 5329 } 5330 5331 if (removeMatches) { 5332 pir.removeFilter(pa); 5333 changed = true; 5334 if (DEBUG_PREFERRED) { 5335 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5336 } 5337 break; 5338 } 5339 5340 // Okay we found a previously set preferred or last chosen app. 5341 // If the result set is different from when this 5342 // was created, we need to clear it and re-ask the 5343 // user their preference, if we're looking for an "always" type entry. 5344 if (always && !pa.mPref.sameSet(query)) { 5345 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5346 + intent + " type " + resolvedType); 5347 if (DEBUG_PREFERRED) { 5348 Slog.v(TAG, "Removing preferred activity since set changed " 5349 + pa.mPref.mComponent); 5350 } 5351 pir.removeFilter(pa); 5352 // Re-add the filter as a "last chosen" entry (!always) 5353 PreferredActivity lastChosen = new PreferredActivity( 5354 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5355 pir.addFilter(lastChosen); 5356 changed = true; 5357 return null; 5358 } 5359 5360 // Yay! Either the set matched or we're looking for the last chosen 5361 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5362 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5363 return ri; 5364 } 5365 } 5366 } finally { 5367 if (changed) { 5368 if (DEBUG_PREFERRED) { 5369 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5370 } 5371 scheduleWritePackageRestrictionsLocked(userId); 5372 } 5373 } 5374 } 5375 } 5376 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5377 return null; 5378 } 5379 5380 /* 5381 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5382 */ 5383 @Override 5384 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5385 int targetUserId) { 5386 mContext.enforceCallingOrSelfPermission( 5387 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5388 List<CrossProfileIntentFilter> matches = 5389 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5390 if (matches != null) { 5391 int size = matches.size(); 5392 for (int i = 0; i < size; i++) { 5393 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5394 } 5395 } 5396 if (hasWebURI(intent)) { 5397 // cross-profile app linking works only towards the parent. 5398 final UserInfo parent = getProfileParent(sourceUserId); 5399 synchronized(mPackages) { 5400 int flags = updateFlagsForResolve(0, parent.id, intent); 5401 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5402 intent, resolvedType, flags, sourceUserId, parent.id); 5403 return xpDomainInfo != null; 5404 } 5405 } 5406 return false; 5407 } 5408 5409 private UserInfo getProfileParent(int userId) { 5410 final long identity = Binder.clearCallingIdentity(); 5411 try { 5412 return sUserManager.getProfileParent(userId); 5413 } finally { 5414 Binder.restoreCallingIdentity(identity); 5415 } 5416 } 5417 5418 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5419 String resolvedType, int userId) { 5420 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5421 if (resolver != null) { 5422 return resolver.queryIntent(intent, resolvedType, false, userId); 5423 } 5424 return null; 5425 } 5426 5427 @Override 5428 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5429 String resolvedType, int flags, int userId) { 5430 try { 5431 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5432 5433 return new ParceledListSlice<>( 5434 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5435 } finally { 5436 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5437 } 5438 } 5439 5440 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5441 String resolvedType, int flags, int userId) { 5442 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5443 flags = updateFlagsForResolve(flags, userId, intent); 5444 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5445 false /* requireFullPermission */, false /* checkShell */, 5446 "query intent activities"); 5447 ComponentName comp = intent.getComponent(); 5448 if (comp == null) { 5449 if (intent.getSelector() != null) { 5450 intent = intent.getSelector(); 5451 comp = intent.getComponent(); 5452 } 5453 } 5454 5455 if (comp != null) { 5456 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5457 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5458 if (ai != null) { 5459 final ResolveInfo ri = new ResolveInfo(); 5460 ri.activityInfo = ai; 5461 list.add(ri); 5462 } 5463 return list; 5464 } 5465 5466 // reader 5467 synchronized (mPackages) { 5468 final String pkgName = intent.getPackage(); 5469 if (pkgName == null) { 5470 List<CrossProfileIntentFilter> matchingFilters = 5471 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5472 // Check for results that need to skip the current profile. 5473 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5474 resolvedType, flags, userId); 5475 if (xpResolveInfo != null) { 5476 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5477 result.add(xpResolveInfo); 5478 return filterIfNotSystemUser(result, userId); 5479 } 5480 5481 // Check for results in the current profile. 5482 List<ResolveInfo> result = mActivities.queryIntent( 5483 intent, resolvedType, flags, userId); 5484 result = filterIfNotSystemUser(result, userId); 5485 5486 // Check for cross profile results. 5487 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5488 xpResolveInfo = queryCrossProfileIntents( 5489 matchingFilters, intent, resolvedType, flags, userId, 5490 hasNonNegativePriorityResult); 5491 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5492 boolean isVisibleToUser = filterIfNotSystemUser( 5493 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5494 if (isVisibleToUser) { 5495 result.add(xpResolveInfo); 5496 Collections.sort(result, mResolvePrioritySorter); 5497 } 5498 } 5499 if (hasWebURI(intent)) { 5500 CrossProfileDomainInfo xpDomainInfo = null; 5501 final UserInfo parent = getProfileParent(userId); 5502 if (parent != null) { 5503 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5504 flags, userId, parent.id); 5505 } 5506 if (xpDomainInfo != null) { 5507 if (xpResolveInfo != null) { 5508 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5509 // in the result. 5510 result.remove(xpResolveInfo); 5511 } 5512 if (result.size() == 0) { 5513 result.add(xpDomainInfo.resolveInfo); 5514 return result; 5515 } 5516 } else if (result.size() <= 1) { 5517 return result; 5518 } 5519 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5520 xpDomainInfo, userId); 5521 Collections.sort(result, mResolvePrioritySorter); 5522 } 5523 return result; 5524 } 5525 final PackageParser.Package pkg = mPackages.get(pkgName); 5526 if (pkg != null) { 5527 return filterIfNotSystemUser( 5528 mActivities.queryIntentForPackage( 5529 intent, resolvedType, flags, pkg.activities, userId), 5530 userId); 5531 } 5532 return new ArrayList<ResolveInfo>(); 5533 } 5534 } 5535 5536 private static class CrossProfileDomainInfo { 5537 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5538 ResolveInfo resolveInfo; 5539 /* Best domain verification status of the activities found in the other profile */ 5540 int bestDomainVerificationStatus; 5541 } 5542 5543 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5544 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5545 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5546 sourceUserId)) { 5547 return null; 5548 } 5549 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5550 resolvedType, flags, parentUserId); 5551 5552 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5553 return null; 5554 } 5555 CrossProfileDomainInfo result = null; 5556 int size = resultTargetUser.size(); 5557 for (int i = 0; i < size; i++) { 5558 ResolveInfo riTargetUser = resultTargetUser.get(i); 5559 // Intent filter verification is only for filters that specify a host. So don't return 5560 // those that handle all web uris. 5561 if (riTargetUser.handleAllWebDataURI) { 5562 continue; 5563 } 5564 String packageName = riTargetUser.activityInfo.packageName; 5565 PackageSetting ps = mSettings.mPackages.get(packageName); 5566 if (ps == null) { 5567 continue; 5568 } 5569 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5570 int status = (int)(verificationState >> 32); 5571 if (result == null) { 5572 result = new CrossProfileDomainInfo(); 5573 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5574 sourceUserId, parentUserId); 5575 result.bestDomainVerificationStatus = status; 5576 } else { 5577 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5578 result.bestDomainVerificationStatus); 5579 } 5580 } 5581 // Don't consider matches with status NEVER across profiles. 5582 if (result != null && result.bestDomainVerificationStatus 5583 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5584 return null; 5585 } 5586 return result; 5587 } 5588 5589 /** 5590 * Verification statuses are ordered from the worse to the best, except for 5591 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5592 */ 5593 private int bestDomainVerificationStatus(int status1, int status2) { 5594 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5595 return status2; 5596 } 5597 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5598 return status1; 5599 } 5600 return (int) MathUtils.max(status1, status2); 5601 } 5602 5603 private boolean isUserEnabled(int userId) { 5604 long callingId = Binder.clearCallingIdentity(); 5605 try { 5606 UserInfo userInfo = sUserManager.getUserInfo(userId); 5607 return userInfo != null && userInfo.isEnabled(); 5608 } finally { 5609 Binder.restoreCallingIdentity(callingId); 5610 } 5611 } 5612 5613 /** 5614 * Filter out activities with systemUserOnly flag set, when current user is not System. 5615 * 5616 * @return filtered list 5617 */ 5618 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5619 if (userId == UserHandle.USER_SYSTEM) { 5620 return resolveInfos; 5621 } 5622 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5623 ResolveInfo info = resolveInfos.get(i); 5624 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5625 resolveInfos.remove(i); 5626 } 5627 } 5628 return resolveInfos; 5629 } 5630 5631 /** 5632 * @param resolveInfos list of resolve infos in descending priority order 5633 * @return if the list contains a resolve info with non-negative priority 5634 */ 5635 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5636 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5637 } 5638 5639 private static boolean hasWebURI(Intent intent) { 5640 if (intent.getData() == null) { 5641 return false; 5642 } 5643 final String scheme = intent.getScheme(); 5644 if (TextUtils.isEmpty(scheme)) { 5645 return false; 5646 } 5647 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5648 } 5649 5650 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5651 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5652 int userId) { 5653 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5654 5655 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5656 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5657 candidates.size()); 5658 } 5659 5660 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5661 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5662 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5663 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5664 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5665 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5666 5667 synchronized (mPackages) { 5668 final int count = candidates.size(); 5669 // First, try to use linked apps. Partition the candidates into four lists: 5670 // one for the final results, one for the "do not use ever", one for "undefined status" 5671 // and finally one for "browser app type". 5672 for (int n=0; n<count; n++) { 5673 ResolveInfo info = candidates.get(n); 5674 String packageName = info.activityInfo.packageName; 5675 PackageSetting ps = mSettings.mPackages.get(packageName); 5676 if (ps != null) { 5677 // Add to the special match all list (Browser use case) 5678 if (info.handleAllWebDataURI) { 5679 matchAllList.add(info); 5680 continue; 5681 } 5682 // Try to get the status from User settings first 5683 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5684 int status = (int)(packedStatus >> 32); 5685 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5686 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5687 if (DEBUG_DOMAIN_VERIFICATION) { 5688 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5689 + " : linkgen=" + linkGeneration); 5690 } 5691 // Use link-enabled generation as preferredOrder, i.e. 5692 // prefer newly-enabled over earlier-enabled. 5693 info.preferredOrder = linkGeneration; 5694 alwaysList.add(info); 5695 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5696 if (DEBUG_DOMAIN_VERIFICATION) { 5697 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5698 } 5699 neverList.add(info); 5700 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5701 if (DEBUG_DOMAIN_VERIFICATION) { 5702 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5703 } 5704 alwaysAskList.add(info); 5705 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5706 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5707 if (DEBUG_DOMAIN_VERIFICATION) { 5708 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5709 } 5710 undefinedList.add(info); 5711 } 5712 } 5713 } 5714 5715 // We'll want to include browser possibilities in a few cases 5716 boolean includeBrowser = false; 5717 5718 // First try to add the "always" resolution(s) for the current user, if any 5719 if (alwaysList.size() > 0) { 5720 result.addAll(alwaysList); 5721 } else { 5722 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5723 result.addAll(undefinedList); 5724 // Maybe add one for the other profile. 5725 if (xpDomainInfo != null && ( 5726 xpDomainInfo.bestDomainVerificationStatus 5727 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5728 result.add(xpDomainInfo.resolveInfo); 5729 } 5730 includeBrowser = true; 5731 } 5732 5733 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5734 // If there were 'always' entries their preferred order has been set, so we also 5735 // back that off to make the alternatives equivalent 5736 if (alwaysAskList.size() > 0) { 5737 for (ResolveInfo i : result) { 5738 i.preferredOrder = 0; 5739 } 5740 result.addAll(alwaysAskList); 5741 includeBrowser = true; 5742 } 5743 5744 if (includeBrowser) { 5745 // Also add browsers (all of them or only the default one) 5746 if (DEBUG_DOMAIN_VERIFICATION) { 5747 Slog.v(TAG, " ...including browsers in candidate set"); 5748 } 5749 if ((matchFlags & MATCH_ALL) != 0) { 5750 result.addAll(matchAllList); 5751 } else { 5752 // Browser/generic handling case. If there's a default browser, go straight 5753 // to that (but only if there is no other higher-priority match). 5754 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5755 int maxMatchPrio = 0; 5756 ResolveInfo defaultBrowserMatch = null; 5757 final int numCandidates = matchAllList.size(); 5758 for (int n = 0; n < numCandidates; n++) { 5759 ResolveInfo info = matchAllList.get(n); 5760 // track the highest overall match priority... 5761 if (info.priority > maxMatchPrio) { 5762 maxMatchPrio = info.priority; 5763 } 5764 // ...and the highest-priority default browser match 5765 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5766 if (defaultBrowserMatch == null 5767 || (defaultBrowserMatch.priority < info.priority)) { 5768 if (debug) { 5769 Slog.v(TAG, "Considering default browser match " + info); 5770 } 5771 defaultBrowserMatch = info; 5772 } 5773 } 5774 } 5775 if (defaultBrowserMatch != null 5776 && defaultBrowserMatch.priority >= maxMatchPrio 5777 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5778 { 5779 if (debug) { 5780 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5781 } 5782 result.add(defaultBrowserMatch); 5783 } else { 5784 result.addAll(matchAllList); 5785 } 5786 } 5787 5788 // If there is nothing selected, add all candidates and remove the ones that the user 5789 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5790 if (result.size() == 0) { 5791 result.addAll(candidates); 5792 result.removeAll(neverList); 5793 } 5794 } 5795 } 5796 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5797 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5798 result.size()); 5799 for (ResolveInfo info : result) { 5800 Slog.v(TAG, " + " + info.activityInfo); 5801 } 5802 } 5803 return result; 5804 } 5805 5806 // Returns a packed value as a long: 5807 // 5808 // high 'int'-sized word: link status: undefined/ask/never/always. 5809 // low 'int'-sized word: relative priority among 'always' results. 5810 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5811 long result = ps.getDomainVerificationStatusForUser(userId); 5812 // if none available, get the master status 5813 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5814 if (ps.getIntentFilterVerificationInfo() != null) { 5815 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5816 } 5817 } 5818 return result; 5819 } 5820 5821 private ResolveInfo querySkipCurrentProfileIntents( 5822 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5823 int flags, int sourceUserId) { 5824 if (matchingFilters != null) { 5825 int size = matchingFilters.size(); 5826 for (int i = 0; i < size; i ++) { 5827 CrossProfileIntentFilter filter = matchingFilters.get(i); 5828 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5829 // Checking if there are activities in the target user that can handle the 5830 // intent. 5831 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5832 resolvedType, flags, sourceUserId); 5833 if (resolveInfo != null) { 5834 return resolveInfo; 5835 } 5836 } 5837 } 5838 } 5839 return null; 5840 } 5841 5842 // Return matching ResolveInfo in target user if any. 5843 private ResolveInfo queryCrossProfileIntents( 5844 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5845 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5846 if (matchingFilters != null) { 5847 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5848 // match the same intent. For performance reasons, it is better not to 5849 // run queryIntent twice for the same userId 5850 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5851 int size = matchingFilters.size(); 5852 for (int i = 0; i < size; i++) { 5853 CrossProfileIntentFilter filter = matchingFilters.get(i); 5854 int targetUserId = filter.getTargetUserId(); 5855 boolean skipCurrentProfile = 5856 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5857 boolean skipCurrentProfileIfNoMatchFound = 5858 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5859 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5860 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5861 // Checking if there are activities in the target user that can handle the 5862 // intent. 5863 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5864 resolvedType, flags, sourceUserId); 5865 if (resolveInfo != null) return resolveInfo; 5866 alreadyTriedUserIds.put(targetUserId, true); 5867 } 5868 } 5869 } 5870 return null; 5871 } 5872 5873 /** 5874 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5875 * will forward the intent to the filter's target user. 5876 * Otherwise, returns null. 5877 */ 5878 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5879 String resolvedType, int flags, int sourceUserId) { 5880 int targetUserId = filter.getTargetUserId(); 5881 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5882 resolvedType, flags, targetUserId); 5883 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5884 // If all the matches in the target profile are suspended, return null. 5885 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5886 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5887 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5888 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5889 targetUserId); 5890 } 5891 } 5892 } 5893 return null; 5894 } 5895 5896 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5897 int sourceUserId, int targetUserId) { 5898 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5899 long ident = Binder.clearCallingIdentity(); 5900 boolean targetIsProfile; 5901 try { 5902 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5903 } finally { 5904 Binder.restoreCallingIdentity(ident); 5905 } 5906 String className; 5907 if (targetIsProfile) { 5908 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5909 } else { 5910 className = FORWARD_INTENT_TO_PARENT; 5911 } 5912 ComponentName forwardingActivityComponentName = new ComponentName( 5913 mAndroidApplication.packageName, className); 5914 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5915 sourceUserId); 5916 if (!targetIsProfile) { 5917 forwardingActivityInfo.showUserIcon = targetUserId; 5918 forwardingResolveInfo.noResourceId = true; 5919 } 5920 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5921 forwardingResolveInfo.priority = 0; 5922 forwardingResolveInfo.preferredOrder = 0; 5923 forwardingResolveInfo.match = 0; 5924 forwardingResolveInfo.isDefault = true; 5925 forwardingResolveInfo.filter = filter; 5926 forwardingResolveInfo.targetUserId = targetUserId; 5927 return forwardingResolveInfo; 5928 } 5929 5930 @Override 5931 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5932 Intent[] specifics, String[] specificTypes, Intent intent, 5933 String resolvedType, int flags, int userId) { 5934 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5935 specificTypes, intent, resolvedType, flags, userId)); 5936 } 5937 5938 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5939 Intent[] specifics, String[] specificTypes, Intent intent, 5940 String resolvedType, int flags, int userId) { 5941 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5942 flags = updateFlagsForResolve(flags, userId, intent); 5943 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5944 false /* requireFullPermission */, false /* checkShell */, 5945 "query intent activity options"); 5946 final String resultsAction = intent.getAction(); 5947 5948 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5949 | PackageManager.GET_RESOLVED_FILTER, userId); 5950 5951 if (DEBUG_INTENT_MATCHING) { 5952 Log.v(TAG, "Query " + intent + ": " + results); 5953 } 5954 5955 int specificsPos = 0; 5956 int N; 5957 5958 // todo: note that the algorithm used here is O(N^2). This 5959 // isn't a problem in our current environment, but if we start running 5960 // into situations where we have more than 5 or 10 matches then this 5961 // should probably be changed to something smarter... 5962 5963 // First we go through and resolve each of the specific items 5964 // that were supplied, taking care of removing any corresponding 5965 // duplicate items in the generic resolve list. 5966 if (specifics != null) { 5967 for (int i=0; i<specifics.length; i++) { 5968 final Intent sintent = specifics[i]; 5969 if (sintent == null) { 5970 continue; 5971 } 5972 5973 if (DEBUG_INTENT_MATCHING) { 5974 Log.v(TAG, "Specific #" + i + ": " + sintent); 5975 } 5976 5977 String action = sintent.getAction(); 5978 if (resultsAction != null && resultsAction.equals(action)) { 5979 // If this action was explicitly requested, then don't 5980 // remove things that have it. 5981 action = null; 5982 } 5983 5984 ResolveInfo ri = null; 5985 ActivityInfo ai = null; 5986 5987 ComponentName comp = sintent.getComponent(); 5988 if (comp == null) { 5989 ri = resolveIntent( 5990 sintent, 5991 specificTypes != null ? specificTypes[i] : null, 5992 flags, userId); 5993 if (ri == null) { 5994 continue; 5995 } 5996 if (ri == mResolveInfo) { 5997 // ACK! Must do something better with this. 5998 } 5999 ai = ri.activityInfo; 6000 comp = new ComponentName(ai.applicationInfo.packageName, 6001 ai.name); 6002 } else { 6003 ai = getActivityInfo(comp, flags, userId); 6004 if (ai == null) { 6005 continue; 6006 } 6007 } 6008 6009 // Look for any generic query activities that are duplicates 6010 // of this specific one, and remove them from the results. 6011 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6012 N = results.size(); 6013 int j; 6014 for (j=specificsPos; j<N; j++) { 6015 ResolveInfo sri = results.get(j); 6016 if ((sri.activityInfo.name.equals(comp.getClassName()) 6017 && sri.activityInfo.applicationInfo.packageName.equals( 6018 comp.getPackageName())) 6019 || (action != null && sri.filter.matchAction(action))) { 6020 results.remove(j); 6021 if (DEBUG_INTENT_MATCHING) Log.v( 6022 TAG, "Removing duplicate item from " + j 6023 + " due to specific " + specificsPos); 6024 if (ri == null) { 6025 ri = sri; 6026 } 6027 j--; 6028 N--; 6029 } 6030 } 6031 6032 // Add this specific item to its proper place. 6033 if (ri == null) { 6034 ri = new ResolveInfo(); 6035 ri.activityInfo = ai; 6036 } 6037 results.add(specificsPos, ri); 6038 ri.specificIndex = i; 6039 specificsPos++; 6040 } 6041 } 6042 6043 // Now we go through the remaining generic results and remove any 6044 // duplicate actions that are found here. 6045 N = results.size(); 6046 for (int i=specificsPos; i<N-1; i++) { 6047 final ResolveInfo rii = results.get(i); 6048 if (rii.filter == null) { 6049 continue; 6050 } 6051 6052 // Iterate over all of the actions of this result's intent 6053 // filter... typically this should be just one. 6054 final Iterator<String> it = rii.filter.actionsIterator(); 6055 if (it == null) { 6056 continue; 6057 } 6058 while (it.hasNext()) { 6059 final String action = it.next(); 6060 if (resultsAction != null && resultsAction.equals(action)) { 6061 // If this action was explicitly requested, then don't 6062 // remove things that have it. 6063 continue; 6064 } 6065 for (int j=i+1; j<N; j++) { 6066 final ResolveInfo rij = results.get(j); 6067 if (rij.filter != null && rij.filter.hasAction(action)) { 6068 results.remove(j); 6069 if (DEBUG_INTENT_MATCHING) Log.v( 6070 TAG, "Removing duplicate item from " + j 6071 + " due to action " + action + " at " + i); 6072 j--; 6073 N--; 6074 } 6075 } 6076 } 6077 6078 // If the caller didn't request filter information, drop it now 6079 // so we don't have to marshall/unmarshall it. 6080 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6081 rii.filter = null; 6082 } 6083 } 6084 6085 // Filter out the caller activity if so requested. 6086 if (caller != null) { 6087 N = results.size(); 6088 for (int i=0; i<N; i++) { 6089 ActivityInfo ainfo = results.get(i).activityInfo; 6090 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6091 && caller.getClassName().equals(ainfo.name)) { 6092 results.remove(i); 6093 break; 6094 } 6095 } 6096 } 6097 6098 // If the caller didn't request filter information, 6099 // drop them now so we don't have to 6100 // marshall/unmarshall it. 6101 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6102 N = results.size(); 6103 for (int i=0; i<N; i++) { 6104 results.get(i).filter = null; 6105 } 6106 } 6107 6108 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6109 return results; 6110 } 6111 6112 @Override 6113 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6114 String resolvedType, int flags, int userId) { 6115 return new ParceledListSlice<>( 6116 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6117 } 6118 6119 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6120 String resolvedType, int flags, int userId) { 6121 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6122 flags = updateFlagsForResolve(flags, userId, intent); 6123 ComponentName comp = intent.getComponent(); 6124 if (comp == null) { 6125 if (intent.getSelector() != null) { 6126 intent = intent.getSelector(); 6127 comp = intent.getComponent(); 6128 } 6129 } 6130 if (comp != null) { 6131 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6132 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6133 if (ai != null) { 6134 ResolveInfo ri = new ResolveInfo(); 6135 ri.activityInfo = ai; 6136 list.add(ri); 6137 } 6138 return list; 6139 } 6140 6141 // reader 6142 synchronized (mPackages) { 6143 String pkgName = intent.getPackage(); 6144 if (pkgName == null) { 6145 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6146 } 6147 final PackageParser.Package pkg = mPackages.get(pkgName); 6148 if (pkg != null) { 6149 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6150 userId); 6151 } 6152 return Collections.emptyList(); 6153 } 6154 } 6155 6156 @Override 6157 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6158 if (!sUserManager.exists(userId)) return null; 6159 flags = updateFlagsForResolve(flags, userId, intent); 6160 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6161 if (query != null) { 6162 if (query.size() >= 1) { 6163 // If there is more than one service with the same priority, 6164 // just arbitrarily pick the first one. 6165 return query.get(0); 6166 } 6167 } 6168 return null; 6169 } 6170 6171 @Override 6172 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6173 String resolvedType, int flags, int userId) { 6174 return new ParceledListSlice<>( 6175 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6176 } 6177 6178 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6179 String resolvedType, int flags, int userId) { 6180 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6181 flags = updateFlagsForResolve(flags, userId, intent); 6182 ComponentName comp = intent.getComponent(); 6183 if (comp == null) { 6184 if (intent.getSelector() != null) { 6185 intent = intent.getSelector(); 6186 comp = intent.getComponent(); 6187 } 6188 } 6189 if (comp != null) { 6190 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6191 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6192 if (si != null) { 6193 final ResolveInfo ri = new ResolveInfo(); 6194 ri.serviceInfo = si; 6195 list.add(ri); 6196 } 6197 return list; 6198 } 6199 6200 // reader 6201 synchronized (mPackages) { 6202 String pkgName = intent.getPackage(); 6203 if (pkgName == null) { 6204 return mServices.queryIntent(intent, resolvedType, flags, userId); 6205 } 6206 final PackageParser.Package pkg = mPackages.get(pkgName); 6207 if (pkg != null) { 6208 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6209 userId); 6210 } 6211 return Collections.emptyList(); 6212 } 6213 } 6214 6215 @Override 6216 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6217 String resolvedType, int flags, int userId) { 6218 return new ParceledListSlice<>( 6219 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6220 } 6221 6222 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6223 Intent intent, String resolvedType, int flags, int userId) { 6224 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6225 flags = updateFlagsForResolve(flags, userId, intent); 6226 ComponentName comp = intent.getComponent(); 6227 if (comp == null) { 6228 if (intent.getSelector() != null) { 6229 intent = intent.getSelector(); 6230 comp = intent.getComponent(); 6231 } 6232 } 6233 if (comp != null) { 6234 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6235 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6236 if (pi != null) { 6237 final ResolveInfo ri = new ResolveInfo(); 6238 ri.providerInfo = pi; 6239 list.add(ri); 6240 } 6241 return list; 6242 } 6243 6244 // reader 6245 synchronized (mPackages) { 6246 String pkgName = intent.getPackage(); 6247 if (pkgName == null) { 6248 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6249 } 6250 final PackageParser.Package pkg = mPackages.get(pkgName); 6251 if (pkg != null) { 6252 return mProviders.queryIntentForPackage( 6253 intent, resolvedType, flags, pkg.providers, userId); 6254 } 6255 return Collections.emptyList(); 6256 } 6257 } 6258 6259 @Override 6260 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6261 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6262 flags = updateFlagsForPackage(flags, userId, null); 6263 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6264 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6265 true /* requireFullPermission */, false /* checkShell */, 6266 "get installed packages"); 6267 6268 // writer 6269 synchronized (mPackages) { 6270 ArrayList<PackageInfo> list; 6271 if (listUninstalled) { 6272 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6273 for (PackageSetting ps : mSettings.mPackages.values()) { 6274 final PackageInfo pi; 6275 if (ps.pkg != null) { 6276 pi = generatePackageInfo(ps, flags, userId); 6277 } else { 6278 pi = generatePackageInfo(ps, flags, userId); 6279 } 6280 if (pi != null) { 6281 list.add(pi); 6282 } 6283 } 6284 } else { 6285 list = new ArrayList<PackageInfo>(mPackages.size()); 6286 for (PackageParser.Package p : mPackages.values()) { 6287 final PackageInfo pi = 6288 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6289 if (pi != null) { 6290 list.add(pi); 6291 } 6292 } 6293 } 6294 6295 return new ParceledListSlice<PackageInfo>(list); 6296 } 6297 } 6298 6299 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6300 String[] permissions, boolean[] tmp, int flags, int userId) { 6301 int numMatch = 0; 6302 final PermissionsState permissionsState = ps.getPermissionsState(); 6303 for (int i=0; i<permissions.length; i++) { 6304 final String permission = permissions[i]; 6305 if (permissionsState.hasPermission(permission, userId)) { 6306 tmp[i] = true; 6307 numMatch++; 6308 } else { 6309 tmp[i] = false; 6310 } 6311 } 6312 if (numMatch == 0) { 6313 return; 6314 } 6315 final PackageInfo pi; 6316 if (ps.pkg != null) { 6317 pi = generatePackageInfo(ps, flags, userId); 6318 } else { 6319 pi = generatePackageInfo(ps, flags, userId); 6320 } 6321 // The above might return null in cases of uninstalled apps or install-state 6322 // skew across users/profiles. 6323 if (pi != null) { 6324 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6325 if (numMatch == permissions.length) { 6326 pi.requestedPermissions = permissions; 6327 } else { 6328 pi.requestedPermissions = new String[numMatch]; 6329 numMatch = 0; 6330 for (int i=0; i<permissions.length; i++) { 6331 if (tmp[i]) { 6332 pi.requestedPermissions[numMatch] = permissions[i]; 6333 numMatch++; 6334 } 6335 } 6336 } 6337 } 6338 list.add(pi); 6339 } 6340 } 6341 6342 @Override 6343 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6344 String[] permissions, int flags, int userId) { 6345 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6346 flags = updateFlagsForPackage(flags, userId, permissions); 6347 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6348 6349 // writer 6350 synchronized (mPackages) { 6351 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6352 boolean[] tmpBools = new boolean[permissions.length]; 6353 if (listUninstalled) { 6354 for (PackageSetting ps : mSettings.mPackages.values()) { 6355 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6356 } 6357 } else { 6358 for (PackageParser.Package pkg : mPackages.values()) { 6359 PackageSetting ps = (PackageSetting)pkg.mExtras; 6360 if (ps != null) { 6361 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6362 userId); 6363 } 6364 } 6365 } 6366 6367 return new ParceledListSlice<PackageInfo>(list); 6368 } 6369 } 6370 6371 @Override 6372 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6373 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6374 flags = updateFlagsForApplication(flags, userId, null); 6375 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6376 6377 // writer 6378 synchronized (mPackages) { 6379 ArrayList<ApplicationInfo> list; 6380 if (listUninstalled) { 6381 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6382 for (PackageSetting ps : mSettings.mPackages.values()) { 6383 ApplicationInfo ai; 6384 if (ps.pkg != null) { 6385 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6386 ps.readUserState(userId), userId); 6387 } else { 6388 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6389 } 6390 if (ai != null) { 6391 list.add(ai); 6392 } 6393 } 6394 } else { 6395 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6396 for (PackageParser.Package p : mPackages.values()) { 6397 if (p.mExtras != null) { 6398 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6399 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6400 if (ai != null) { 6401 list.add(ai); 6402 } 6403 } 6404 } 6405 } 6406 6407 return new ParceledListSlice<ApplicationInfo>(list); 6408 } 6409 } 6410 6411 @Override 6412 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6413 if (DISABLE_EPHEMERAL_APPS) { 6414 return null; 6415 } 6416 6417 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6418 "getEphemeralApplications"); 6419 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6420 true /* requireFullPermission */, false /* checkShell */, 6421 "getEphemeralApplications"); 6422 synchronized (mPackages) { 6423 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6424 .getEphemeralApplicationsLPw(userId); 6425 if (ephemeralApps != null) { 6426 return new ParceledListSlice<>(ephemeralApps); 6427 } 6428 } 6429 return null; 6430 } 6431 6432 @Override 6433 public boolean isEphemeralApplication(String packageName, int userId) { 6434 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6435 true /* requireFullPermission */, false /* checkShell */, 6436 "isEphemeral"); 6437 if (DISABLE_EPHEMERAL_APPS) { 6438 return false; 6439 } 6440 6441 if (!isCallerSameApp(packageName)) { 6442 return false; 6443 } 6444 synchronized (mPackages) { 6445 PackageParser.Package pkg = mPackages.get(packageName); 6446 if (pkg != null) { 6447 return pkg.applicationInfo.isEphemeralApp(); 6448 } 6449 } 6450 return false; 6451 } 6452 6453 @Override 6454 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6455 if (DISABLE_EPHEMERAL_APPS) { 6456 return null; 6457 } 6458 6459 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6460 true /* requireFullPermission */, false /* checkShell */, 6461 "getCookie"); 6462 if (!isCallerSameApp(packageName)) { 6463 return null; 6464 } 6465 synchronized (mPackages) { 6466 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6467 packageName, userId); 6468 } 6469 } 6470 6471 @Override 6472 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6473 if (DISABLE_EPHEMERAL_APPS) { 6474 return true; 6475 } 6476 6477 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6478 true /* requireFullPermission */, true /* checkShell */, 6479 "setCookie"); 6480 if (!isCallerSameApp(packageName)) { 6481 return false; 6482 } 6483 synchronized (mPackages) { 6484 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6485 packageName, cookie, userId); 6486 } 6487 } 6488 6489 @Override 6490 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6491 if (DISABLE_EPHEMERAL_APPS) { 6492 return null; 6493 } 6494 6495 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6496 "getEphemeralApplicationIcon"); 6497 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6498 true /* requireFullPermission */, false /* checkShell */, 6499 "getEphemeralApplicationIcon"); 6500 synchronized (mPackages) { 6501 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6502 packageName, userId); 6503 } 6504 } 6505 6506 private boolean isCallerSameApp(String packageName) { 6507 PackageParser.Package pkg = mPackages.get(packageName); 6508 return pkg != null 6509 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6510 } 6511 6512 @Override 6513 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6514 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6515 } 6516 6517 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6518 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6519 6520 // reader 6521 synchronized (mPackages) { 6522 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6523 final int userId = UserHandle.getCallingUserId(); 6524 while (i.hasNext()) { 6525 final PackageParser.Package p = i.next(); 6526 if (p.applicationInfo == null) continue; 6527 6528 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6529 && !p.applicationInfo.isDirectBootAware(); 6530 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6531 && p.applicationInfo.isDirectBootAware(); 6532 6533 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6534 && (!mSafeMode || isSystemApp(p)) 6535 && (matchesUnaware || matchesAware)) { 6536 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6537 if (ps != null) { 6538 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6539 ps.readUserState(userId), userId); 6540 if (ai != null) { 6541 finalList.add(ai); 6542 } 6543 } 6544 } 6545 } 6546 } 6547 6548 return finalList; 6549 } 6550 6551 @Override 6552 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6553 if (!sUserManager.exists(userId)) return null; 6554 flags = updateFlagsForComponent(flags, userId, name); 6555 // reader 6556 synchronized (mPackages) { 6557 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6558 PackageSetting ps = provider != null 6559 ? mSettings.mPackages.get(provider.owner.packageName) 6560 : null; 6561 return ps != null 6562 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6563 ? PackageParser.generateProviderInfo(provider, flags, 6564 ps.readUserState(userId), userId) 6565 : null; 6566 } 6567 } 6568 6569 /** 6570 * @deprecated 6571 */ 6572 @Deprecated 6573 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6574 // reader 6575 synchronized (mPackages) { 6576 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6577 .entrySet().iterator(); 6578 final int userId = UserHandle.getCallingUserId(); 6579 while (i.hasNext()) { 6580 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6581 PackageParser.Provider p = entry.getValue(); 6582 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6583 6584 if (ps != null && p.syncable 6585 && (!mSafeMode || (p.info.applicationInfo.flags 6586 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6587 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6588 ps.readUserState(userId), userId); 6589 if (info != null) { 6590 outNames.add(entry.getKey()); 6591 outInfo.add(info); 6592 } 6593 } 6594 } 6595 } 6596 } 6597 6598 @Override 6599 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6600 int uid, int flags) { 6601 final int userId = processName != null ? UserHandle.getUserId(uid) 6602 : UserHandle.getCallingUserId(); 6603 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6604 flags = updateFlagsForComponent(flags, userId, processName); 6605 6606 ArrayList<ProviderInfo> finalList = null; 6607 // reader 6608 synchronized (mPackages) { 6609 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6610 while (i.hasNext()) { 6611 final PackageParser.Provider p = i.next(); 6612 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6613 if (ps != null && p.info.authority != null 6614 && (processName == null 6615 || (p.info.processName.equals(processName) 6616 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6617 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6618 if (finalList == null) { 6619 finalList = new ArrayList<ProviderInfo>(3); 6620 } 6621 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6622 ps.readUserState(userId), userId); 6623 if (info != null) { 6624 finalList.add(info); 6625 } 6626 } 6627 } 6628 } 6629 6630 if (finalList != null) { 6631 Collections.sort(finalList, mProviderInitOrderSorter); 6632 return new ParceledListSlice<ProviderInfo>(finalList); 6633 } 6634 6635 return ParceledListSlice.emptyList(); 6636 } 6637 6638 @Override 6639 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6640 // reader 6641 synchronized (mPackages) { 6642 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6643 return PackageParser.generateInstrumentationInfo(i, flags); 6644 } 6645 } 6646 6647 @Override 6648 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6649 String targetPackage, int flags) { 6650 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6651 } 6652 6653 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6654 int flags) { 6655 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6656 6657 // reader 6658 synchronized (mPackages) { 6659 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6660 while (i.hasNext()) { 6661 final PackageParser.Instrumentation p = i.next(); 6662 if (targetPackage == null 6663 || targetPackage.equals(p.info.targetPackage)) { 6664 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6665 flags); 6666 if (ii != null) { 6667 finalList.add(ii); 6668 } 6669 } 6670 } 6671 } 6672 6673 return finalList; 6674 } 6675 6676 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6677 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6678 if (overlays == null) { 6679 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6680 return; 6681 } 6682 for (PackageParser.Package opkg : overlays.values()) { 6683 // Not much to do if idmap fails: we already logged the error 6684 // and we certainly don't want to abort installation of pkg simply 6685 // because an overlay didn't fit properly. For these reasons, 6686 // ignore the return value of createIdmapForPackagePairLI. 6687 createIdmapForPackagePairLI(pkg, opkg); 6688 } 6689 } 6690 6691 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6692 PackageParser.Package opkg) { 6693 if (!opkg.mTrustedOverlay) { 6694 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6695 opkg.baseCodePath + ": overlay not trusted"); 6696 return false; 6697 } 6698 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6699 if (overlaySet == null) { 6700 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6701 opkg.baseCodePath + " but target package has no known overlays"); 6702 return false; 6703 } 6704 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6705 // TODO: generate idmap for split APKs 6706 try { 6707 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6708 } catch (InstallerException e) { 6709 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6710 + opkg.baseCodePath); 6711 return false; 6712 } 6713 PackageParser.Package[] overlayArray = 6714 overlaySet.values().toArray(new PackageParser.Package[0]); 6715 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6716 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6717 return p1.mOverlayPriority - p2.mOverlayPriority; 6718 } 6719 }; 6720 Arrays.sort(overlayArray, cmp); 6721 6722 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6723 int i = 0; 6724 for (PackageParser.Package p : overlayArray) { 6725 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6726 } 6727 return true; 6728 } 6729 6730 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6731 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6732 try { 6733 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6734 } finally { 6735 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6736 } 6737 } 6738 6739 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6740 final File[] files = dir.listFiles(); 6741 if (ArrayUtils.isEmpty(files)) { 6742 Log.d(TAG, "No files in app dir " + dir); 6743 return; 6744 } 6745 6746 if (DEBUG_PACKAGE_SCANNING) { 6747 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6748 + " flags=0x" + Integer.toHexString(parseFlags)); 6749 } 6750 6751 for (File file : files) { 6752 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6753 && !PackageInstallerService.isStageName(file.getName()); 6754 if (!isPackage) { 6755 // Ignore entries which are not packages 6756 continue; 6757 } 6758 try { 6759 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6760 scanFlags, currentTime, null); 6761 } catch (PackageManagerException e) { 6762 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6763 6764 // Delete invalid userdata apps 6765 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6766 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6767 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6768 removeCodePathLI(file); 6769 } 6770 } 6771 } 6772 } 6773 6774 private static File getSettingsProblemFile() { 6775 File dataDir = Environment.getDataDirectory(); 6776 File systemDir = new File(dataDir, "system"); 6777 File fname = new File(systemDir, "uiderrors.txt"); 6778 return fname; 6779 } 6780 6781 static void reportSettingsProblem(int priority, String msg) { 6782 logCriticalInfo(priority, msg); 6783 } 6784 6785 static void logCriticalInfo(int priority, String msg) { 6786 Slog.println(priority, TAG, msg); 6787 EventLogTags.writePmCriticalInfo(msg); 6788 try { 6789 File fname = getSettingsProblemFile(); 6790 FileOutputStream out = new FileOutputStream(fname, true); 6791 PrintWriter pw = new FastPrintWriter(out); 6792 SimpleDateFormat formatter = new SimpleDateFormat(); 6793 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6794 pw.println(dateString + ": " + msg); 6795 pw.close(); 6796 FileUtils.setPermissions( 6797 fname.toString(), 6798 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6799 -1, -1); 6800 } catch (java.io.IOException e) { 6801 } 6802 } 6803 6804 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6805 if (srcFile.isDirectory()) { 6806 final File baseFile = new File(pkg.baseCodePath); 6807 long maxModifiedTime = baseFile.lastModified(); 6808 if (pkg.splitCodePaths != null) { 6809 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6810 final File splitFile = new File(pkg.splitCodePaths[i]); 6811 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6812 } 6813 } 6814 return maxModifiedTime; 6815 } 6816 return srcFile.lastModified(); 6817 } 6818 6819 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6820 final int policyFlags) throws PackageManagerException { 6821 if (ps != null 6822 && ps.codePath.equals(srcFile) 6823 && ps.timeStamp == getLastModifiedTime(pkg, srcFile) 6824 && !isCompatSignatureUpdateNeeded(pkg) 6825 && !isRecoverSignatureUpdateNeeded(pkg)) { 6826 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6827 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6828 ArraySet<PublicKey> signingKs; 6829 synchronized (mPackages) { 6830 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6831 } 6832 if (ps.signatures.mSignatures != null 6833 && ps.signatures.mSignatures.length != 0 6834 && signingKs != null) { 6835 // Optimization: reuse the existing cached certificates 6836 // if the package appears to be unchanged. 6837 pkg.mSignatures = ps.signatures.mSignatures; 6838 pkg.mSigningKeys = signingKs; 6839 return; 6840 } 6841 6842 Slog.w(TAG, "PackageSetting for " + ps.name 6843 + " is missing signatures. Collecting certs again to recover them."); 6844 } else { 6845 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6846 } 6847 6848 try { 6849 PackageParser.collectCertificates(pkg, policyFlags); 6850 } catch (PackageParserException e) { 6851 throw PackageManagerException.from(e); 6852 } 6853 } 6854 6855 /** 6856 * Traces a package scan. 6857 * @see #scanPackageLI(File, int, int, long, UserHandle) 6858 */ 6859 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6860 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6861 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6862 try { 6863 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6864 } finally { 6865 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6866 } 6867 } 6868 6869 /** 6870 * Scans a package and returns the newly parsed package. 6871 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6872 */ 6873 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6874 long currentTime, UserHandle user) throws PackageManagerException { 6875 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6876 PackageParser pp = new PackageParser(); 6877 pp.setSeparateProcesses(mSeparateProcesses); 6878 pp.setOnlyCoreApps(mOnlyCore); 6879 pp.setDisplayMetrics(mMetrics); 6880 6881 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6882 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6883 } 6884 6885 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6886 final PackageParser.Package pkg; 6887 try { 6888 pkg = pp.parsePackage(scanFile, parseFlags); 6889 } catch (PackageParserException e) { 6890 throw PackageManagerException.from(e); 6891 } finally { 6892 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6893 } 6894 6895 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6896 } 6897 6898 /** 6899 * Scans a package and returns the newly parsed package. 6900 * @throws PackageManagerException on a parse error. 6901 */ 6902 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6903 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6904 throws PackageManagerException { 6905 // If the package has children and this is the first dive in the function 6906 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6907 // packages (parent and children) would be successfully scanned before the 6908 // actual scan since scanning mutates internal state and we want to atomically 6909 // install the package and its children. 6910 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6911 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6912 scanFlags |= SCAN_CHECK_ONLY; 6913 } 6914 } else { 6915 scanFlags &= ~SCAN_CHECK_ONLY; 6916 } 6917 6918 // Scan the parent 6919 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6920 scanFlags, currentTime, user); 6921 6922 // Scan the children 6923 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6924 for (int i = 0; i < childCount; i++) { 6925 PackageParser.Package childPackage = pkg.childPackages.get(i); 6926 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6927 currentTime, user); 6928 } 6929 6930 6931 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6932 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6933 } 6934 6935 return scannedPkg; 6936 } 6937 6938 /** 6939 * Scans a package and returns the newly parsed package. 6940 * @throws PackageManagerException on a parse error. 6941 */ 6942 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6943 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6944 throws PackageManagerException { 6945 PackageSetting ps = null; 6946 PackageSetting updatedPkg; 6947 // reader 6948 synchronized (mPackages) { 6949 // Look to see if we already know about this package. 6950 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6951 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6952 // This package has been renamed to its original name. Let's 6953 // use that. 6954 ps = mSettings.peekPackageLPr(oldName); 6955 } 6956 // If there was no original package, see one for the real package name. 6957 if (ps == null) { 6958 ps = mSettings.peekPackageLPr(pkg.packageName); 6959 } 6960 // Check to see if this package could be hiding/updating a system 6961 // package. Must look for it either under the original or real 6962 // package name depending on our state. 6963 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6964 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6965 6966 // If this is a package we don't know about on the system partition, we 6967 // may need to remove disabled child packages on the system partition 6968 // or may need to not add child packages if the parent apk is updated 6969 // on the data partition and no longer defines this child package. 6970 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6971 // If this is a parent package for an updated system app and this system 6972 // app got an OTA update which no longer defines some of the child packages 6973 // we have to prune them from the disabled system packages. 6974 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6975 if (disabledPs != null) { 6976 final int scannedChildCount = (pkg.childPackages != null) 6977 ? pkg.childPackages.size() : 0; 6978 final int disabledChildCount = disabledPs.childPackageNames != null 6979 ? disabledPs.childPackageNames.size() : 0; 6980 for (int i = 0; i < disabledChildCount; i++) { 6981 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6982 boolean disabledPackageAvailable = false; 6983 for (int j = 0; j < scannedChildCount; j++) { 6984 PackageParser.Package childPkg = pkg.childPackages.get(j); 6985 if (childPkg.packageName.equals(disabledChildPackageName)) { 6986 disabledPackageAvailable = true; 6987 break; 6988 } 6989 } 6990 if (!disabledPackageAvailable) { 6991 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6992 } 6993 } 6994 } 6995 } 6996 } 6997 6998 boolean updatedPkgBetter = false; 6999 // First check if this is a system package that may involve an update 7000 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7001 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7002 // it needs to drop FLAG_PRIVILEGED. 7003 if (locationIsPrivileged(scanFile)) { 7004 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7005 } else { 7006 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7007 } 7008 7009 if (ps != null && !ps.codePath.equals(scanFile)) { 7010 // The path has changed from what was last scanned... check the 7011 // version of the new path against what we have stored to determine 7012 // what to do. 7013 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7014 if (pkg.mVersionCode <= ps.versionCode) { 7015 // The system package has been updated and the code path does not match 7016 // Ignore entry. Skip it. 7017 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7018 + " ignored: updated version " + ps.versionCode 7019 + " better than this " + pkg.mVersionCode); 7020 if (!updatedPkg.codePath.equals(scanFile)) { 7021 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7022 + ps.name + " changing from " + updatedPkg.codePathString 7023 + " to " + scanFile); 7024 updatedPkg.codePath = scanFile; 7025 updatedPkg.codePathString = scanFile.toString(); 7026 updatedPkg.resourcePath = scanFile; 7027 updatedPkg.resourcePathString = scanFile.toString(); 7028 } 7029 updatedPkg.pkg = pkg; 7030 updatedPkg.versionCode = pkg.mVersionCode; 7031 7032 // Update the disabled system child packages to point to the package too. 7033 final int childCount = updatedPkg.childPackageNames != null 7034 ? updatedPkg.childPackageNames.size() : 0; 7035 for (int i = 0; i < childCount; i++) { 7036 String childPackageName = updatedPkg.childPackageNames.get(i); 7037 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7038 childPackageName); 7039 if (updatedChildPkg != null) { 7040 updatedChildPkg.pkg = pkg; 7041 updatedChildPkg.versionCode = pkg.mVersionCode; 7042 } 7043 } 7044 7045 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7046 + scanFile + " ignored: updated version " + ps.versionCode 7047 + " better than this " + pkg.mVersionCode); 7048 } else { 7049 // The current app on the system partition is better than 7050 // what we have updated to on the data partition; switch 7051 // back to the system partition version. 7052 // At this point, its safely assumed that package installation for 7053 // apps in system partition will go through. If not there won't be a working 7054 // version of the app 7055 // writer 7056 synchronized (mPackages) { 7057 // Just remove the loaded entries from package lists. 7058 mPackages.remove(ps.name); 7059 } 7060 7061 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7062 + " reverting from " + ps.codePathString 7063 + ": new version " + pkg.mVersionCode 7064 + " better than installed " + ps.versionCode); 7065 7066 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7067 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7068 synchronized (mInstallLock) { 7069 args.cleanUpResourcesLI(); 7070 } 7071 synchronized (mPackages) { 7072 mSettings.enableSystemPackageLPw(ps.name); 7073 } 7074 updatedPkgBetter = true; 7075 } 7076 } 7077 } 7078 7079 if (updatedPkg != null) { 7080 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7081 // initially 7082 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7083 7084 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7085 // flag set initially 7086 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7087 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7088 } 7089 } 7090 7091 // Verify certificates against what was last scanned 7092 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7093 7094 /* 7095 * A new system app appeared, but we already had a non-system one of the 7096 * same name installed earlier. 7097 */ 7098 boolean shouldHideSystemApp = false; 7099 if (updatedPkg == null && ps != null 7100 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7101 /* 7102 * Check to make sure the signatures match first. If they don't, 7103 * wipe the installed application and its data. 7104 */ 7105 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7106 != PackageManager.SIGNATURE_MATCH) { 7107 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7108 + " signatures don't match existing userdata copy; removing"); 7109 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7110 "scanPackageInternalLI")) { 7111 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7112 } 7113 ps = null; 7114 } else { 7115 /* 7116 * If the newly-added system app is an older version than the 7117 * already installed version, hide it. It will be scanned later 7118 * and re-added like an update. 7119 */ 7120 if (pkg.mVersionCode <= ps.versionCode) { 7121 shouldHideSystemApp = true; 7122 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7123 + " but new version " + pkg.mVersionCode + " better than installed " 7124 + ps.versionCode + "; hiding system"); 7125 } else { 7126 /* 7127 * The newly found system app is a newer version that the 7128 * one previously installed. Simply remove the 7129 * already-installed application and replace it with our own 7130 * while keeping the application data. 7131 */ 7132 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7133 + " reverting from " + ps.codePathString + ": new version " 7134 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7135 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7136 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7137 synchronized (mInstallLock) { 7138 args.cleanUpResourcesLI(); 7139 } 7140 } 7141 } 7142 } 7143 7144 // The apk is forward locked (not public) if its code and resources 7145 // are kept in different files. (except for app in either system or 7146 // vendor path). 7147 // TODO grab this value from PackageSettings 7148 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7149 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7150 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7151 } 7152 } 7153 7154 // TODO: extend to support forward-locked splits 7155 String resourcePath = null; 7156 String baseResourcePath = null; 7157 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7158 if (ps != null && ps.resourcePathString != null) { 7159 resourcePath = ps.resourcePathString; 7160 baseResourcePath = ps.resourcePathString; 7161 } else { 7162 // Should not happen at all. Just log an error. 7163 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7164 } 7165 } else { 7166 resourcePath = pkg.codePath; 7167 baseResourcePath = pkg.baseCodePath; 7168 } 7169 7170 // Set application objects path explicitly. 7171 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7172 pkg.setApplicationInfoCodePath(pkg.codePath); 7173 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7174 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7175 pkg.setApplicationInfoResourcePath(resourcePath); 7176 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7177 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7178 7179 // Note that we invoke the following method only if we are about to unpack an application 7180 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7181 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7182 7183 /* 7184 * If the system app should be overridden by a previously installed 7185 * data, hide the system app now and let the /data/app scan pick it up 7186 * again. 7187 */ 7188 if (shouldHideSystemApp) { 7189 synchronized (mPackages) { 7190 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7191 } 7192 } 7193 7194 return scannedPkg; 7195 } 7196 7197 private static String fixProcessName(String defProcessName, 7198 String processName, int uid) { 7199 if (processName == null) { 7200 return defProcessName; 7201 } 7202 return processName; 7203 } 7204 7205 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7206 throws PackageManagerException { 7207 if (pkgSetting.signatures.mSignatures != null) { 7208 // Already existing package. Make sure signatures match 7209 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7210 == PackageManager.SIGNATURE_MATCH; 7211 if (!match) { 7212 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7213 == PackageManager.SIGNATURE_MATCH; 7214 } 7215 if (!match) { 7216 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7217 == PackageManager.SIGNATURE_MATCH; 7218 } 7219 if (!match) { 7220 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7221 + pkg.packageName + " signatures do not match the " 7222 + "previously installed version; ignoring!"); 7223 } 7224 } 7225 7226 // Check for shared user signatures 7227 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7228 // Already existing package. Make sure signatures match 7229 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7230 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7231 if (!match) { 7232 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7233 == PackageManager.SIGNATURE_MATCH; 7234 } 7235 if (!match) { 7236 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7237 == PackageManager.SIGNATURE_MATCH; 7238 } 7239 if (!match) { 7240 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7241 "Package " + pkg.packageName 7242 + " has no signatures that match those in shared user " 7243 + pkgSetting.sharedUser.name + "; ignoring!"); 7244 } 7245 } 7246 } 7247 7248 /** 7249 * Enforces that only the system UID or root's UID can call a method exposed 7250 * via Binder. 7251 * 7252 * @param message used as message if SecurityException is thrown 7253 * @throws SecurityException if the caller is not system or root 7254 */ 7255 private static final void enforceSystemOrRoot(String message) { 7256 final int uid = Binder.getCallingUid(); 7257 if (uid != Process.SYSTEM_UID && uid != 0) { 7258 throw new SecurityException(message); 7259 } 7260 } 7261 7262 @Override 7263 public void performFstrimIfNeeded() { 7264 enforceSystemOrRoot("Only the system can request fstrim"); 7265 7266 // Before everything else, see whether we need to fstrim. 7267 try { 7268 IMountService ms = PackageHelper.getMountService(); 7269 if (ms != null) { 7270 boolean doTrim = false; 7271 final long interval = android.provider.Settings.Global.getLong( 7272 mContext.getContentResolver(), 7273 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7274 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7275 if (interval > 0) { 7276 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7277 if (timeSinceLast > interval) { 7278 doTrim = true; 7279 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7280 + "; running immediately"); 7281 } 7282 } 7283 if (doTrim) { 7284 if (!isFirstBoot()) { 7285 try { 7286 ActivityManagerNative.getDefault().showBootMessage( 7287 mContext.getResources().getString( 7288 R.string.android_upgrading_fstrim), true); 7289 } catch (RemoteException e) { 7290 } 7291 } 7292 ms.runMaintenance(); 7293 } 7294 } else { 7295 Slog.e(TAG, "Mount service unavailable!"); 7296 } 7297 } catch (RemoteException e) { 7298 // Can't happen; MountService is local 7299 } 7300 } 7301 7302 @Override 7303 public void updatePackagesIfNeeded() { 7304 enforceSystemOrRoot("Only the system can request package update"); 7305 7306 // We need to re-extract after an OTA. 7307 boolean causeUpgrade = isUpgrade(); 7308 7309 // First boot or factory reset. 7310 // Note: we also handle devices that are upgrading to N right now as if it is their 7311 // first boot, as they do not have profile data. 7312 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7313 7314 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7315 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7316 7317 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7318 return; 7319 } 7320 7321 List<PackageParser.Package> pkgs; 7322 synchronized (mPackages) { 7323 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7324 } 7325 7326 final long startTime = System.nanoTime(); 7327 final int[] stats = performDexOpt(pkgs, mIsPreNUpgrade /* showDialog */, 7328 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7329 7330 final int elapsedTimeSeconds = 7331 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7332 7333 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7334 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7335 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7336 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7337 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7338 } 7339 7340 /** 7341 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7342 * containing statistics about the invocation. The array consists of three elements, 7343 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7344 * and {@code numberOfPackagesFailed}. 7345 */ 7346 private int[] performDexOpt(List<PackageParser.Package> pkgs, boolean showDialog, 7347 String compilerFilter) { 7348 7349 int numberOfPackagesVisited = 0; 7350 int numberOfPackagesOptimized = 0; 7351 int numberOfPackagesSkipped = 0; 7352 int numberOfPackagesFailed = 0; 7353 final int numberOfPackagesToDexopt = pkgs.size(); 7354 7355 for (PackageParser.Package pkg : pkgs) { 7356 numberOfPackagesVisited++; 7357 7358 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7359 if (DEBUG_DEXOPT) { 7360 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7361 } 7362 numberOfPackagesSkipped++; 7363 continue; 7364 } 7365 7366 if (DEBUG_DEXOPT) { 7367 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7368 numberOfPackagesToDexopt + ": " + pkg.packageName); 7369 } 7370 7371 if (showDialog) { 7372 try { 7373 ActivityManagerNative.getDefault().showBootMessage( 7374 mContext.getResources().getString(R.string.android_upgrading_apk, 7375 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7376 } catch (RemoteException e) { 7377 } 7378 } 7379 7380 // checkProfiles is false to avoid merging profiles during boot which 7381 // might interfere with background compilation (b/28612421). 7382 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7383 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7384 // trade-off worth doing to save boot time work. 7385 int dexOptStatus = performDexOptTraced(pkg.packageName, 7386 false /* checkProfiles */, 7387 compilerFilter, 7388 false /* force */); 7389 switch (dexOptStatus) { 7390 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7391 numberOfPackagesOptimized++; 7392 break; 7393 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7394 numberOfPackagesSkipped++; 7395 break; 7396 case PackageDexOptimizer.DEX_OPT_FAILED: 7397 numberOfPackagesFailed++; 7398 break; 7399 default: 7400 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7401 break; 7402 } 7403 } 7404 7405 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7406 numberOfPackagesFailed }; 7407 } 7408 7409 @Override 7410 public void notifyPackageUse(String packageName, int reason) { 7411 synchronized (mPackages) { 7412 PackageParser.Package p = mPackages.get(packageName); 7413 if (p == null) { 7414 return; 7415 } 7416 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7417 } 7418 } 7419 7420 // TODO: this is not used nor needed. Delete it. 7421 @Override 7422 public boolean performDexOptIfNeeded(String packageName) { 7423 int dexOptStatus = performDexOptTraced(packageName, 7424 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7425 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7426 } 7427 7428 @Override 7429 public boolean performDexOpt(String packageName, 7430 boolean checkProfiles, int compileReason, boolean force) { 7431 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7432 getCompilerFilterForReason(compileReason), force); 7433 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7434 } 7435 7436 @Override 7437 public boolean performDexOptMode(String packageName, 7438 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7439 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7440 targetCompilerFilter, force); 7441 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7442 } 7443 7444 private int performDexOptTraced(String packageName, 7445 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7446 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7447 try { 7448 return performDexOptInternal(packageName, checkProfiles, 7449 targetCompilerFilter, force); 7450 } finally { 7451 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7452 } 7453 } 7454 7455 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7456 // if the package can now be considered up to date for the given filter. 7457 private int performDexOptInternal(String packageName, 7458 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7459 PackageParser.Package p; 7460 synchronized (mPackages) { 7461 p = mPackages.get(packageName); 7462 if (p == null) { 7463 // Package could not be found. Report failure. 7464 return PackageDexOptimizer.DEX_OPT_FAILED; 7465 } 7466 mPackageUsage.write(false); 7467 } 7468 long callingId = Binder.clearCallingIdentity(); 7469 try { 7470 synchronized (mInstallLock) { 7471 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7472 targetCompilerFilter, force); 7473 } 7474 } finally { 7475 Binder.restoreCallingIdentity(callingId); 7476 } 7477 } 7478 7479 public ArraySet<String> getOptimizablePackages() { 7480 ArraySet<String> pkgs = new ArraySet<String>(); 7481 synchronized (mPackages) { 7482 for (PackageParser.Package p : mPackages.values()) { 7483 if (PackageDexOptimizer.canOptimizePackage(p)) { 7484 pkgs.add(p.packageName); 7485 } 7486 } 7487 } 7488 return pkgs; 7489 } 7490 7491 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7492 boolean checkProfiles, String targetCompilerFilter, 7493 boolean force) { 7494 // Select the dex optimizer based on the force parameter. 7495 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7496 // allocate an object here. 7497 PackageDexOptimizer pdo = force 7498 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7499 : mPackageDexOptimizer; 7500 7501 // Optimize all dependencies first. Note: we ignore the return value and march on 7502 // on errors. 7503 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7504 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7505 if (!deps.isEmpty()) { 7506 for (PackageParser.Package depPackage : deps) { 7507 // TODO: Analyze and investigate if we (should) profile libraries. 7508 // Currently this will do a full compilation of the library by default. 7509 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7510 false /* checkProfiles */, 7511 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7512 } 7513 } 7514 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7515 targetCompilerFilter); 7516 } 7517 7518 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7519 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7520 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7521 Set<String> collectedNames = new HashSet<>(); 7522 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7523 7524 retValue.remove(p); 7525 7526 return retValue; 7527 } else { 7528 return Collections.emptyList(); 7529 } 7530 } 7531 7532 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7533 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7534 if (!collectedNames.contains(p.packageName)) { 7535 collectedNames.add(p.packageName); 7536 collected.add(p); 7537 7538 if (p.usesLibraries != null) { 7539 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7540 } 7541 if (p.usesOptionalLibraries != null) { 7542 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7543 collectedNames); 7544 } 7545 } 7546 } 7547 7548 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7549 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7550 for (String libName : libs) { 7551 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7552 if (libPkg != null) { 7553 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7554 } 7555 } 7556 } 7557 7558 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7559 synchronized (mPackages) { 7560 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7561 if (lib != null && lib.apk != null) { 7562 return mPackages.get(lib.apk); 7563 } 7564 } 7565 return null; 7566 } 7567 7568 public void shutdown() { 7569 mPackageUsage.write(true); 7570 } 7571 7572 @Override 7573 public void dumpProfiles(String packageName) { 7574 PackageParser.Package pkg; 7575 synchronized (mPackages) { 7576 pkg = mPackages.get(packageName); 7577 if (pkg == null) { 7578 throw new IllegalArgumentException("Unknown package: " + packageName); 7579 } 7580 } 7581 /* Only the shell, root, or the app user should be able to dump profiles. */ 7582 int callingUid = Binder.getCallingUid(); 7583 if (callingUid != Process.SHELL_UID && 7584 callingUid != Process.ROOT_UID && 7585 callingUid != pkg.applicationInfo.uid) { 7586 throw new SecurityException("dumpProfiles"); 7587 } 7588 7589 synchronized (mInstallLock) { 7590 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7591 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7592 try { 7593 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7594 String gid = Integer.toString(sharedGid); 7595 String codePaths = TextUtils.join(";", allCodePaths); 7596 mInstaller.dumpProfiles(gid, packageName, codePaths); 7597 } catch (InstallerException e) { 7598 Slog.w(TAG, "Failed to dump profiles", e); 7599 } 7600 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7601 } 7602 } 7603 7604 @Override 7605 public void forceDexOpt(String packageName) { 7606 enforceSystemOrRoot("forceDexOpt"); 7607 7608 PackageParser.Package pkg; 7609 synchronized (mPackages) { 7610 pkg = mPackages.get(packageName); 7611 if (pkg == null) { 7612 throw new IllegalArgumentException("Unknown package: " + packageName); 7613 } 7614 } 7615 7616 synchronized (mInstallLock) { 7617 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7618 7619 // Whoever is calling forceDexOpt wants a fully compiled package. 7620 // Don't use profiles since that may cause compilation to be skipped. 7621 final int res = performDexOptInternalWithDependenciesLI(pkg, 7622 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7623 true /* force */); 7624 7625 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7626 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7627 throw new IllegalStateException("Failed to dexopt: " + res); 7628 } 7629 } 7630 } 7631 7632 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7633 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7634 Slog.w(TAG, "Unable to update from " + oldPkg.name 7635 + " to " + newPkg.packageName 7636 + ": old package not in system partition"); 7637 return false; 7638 } else if (mPackages.get(oldPkg.name) != null) { 7639 Slog.w(TAG, "Unable to update from " + oldPkg.name 7640 + " to " + newPkg.packageName 7641 + ": old package still exists"); 7642 return false; 7643 } 7644 return true; 7645 } 7646 7647 void removeCodePathLI(File codePath) { 7648 if (codePath.isDirectory()) { 7649 try { 7650 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7651 } catch (InstallerException e) { 7652 Slog.w(TAG, "Failed to remove code path", e); 7653 } 7654 } else { 7655 codePath.delete(); 7656 } 7657 } 7658 7659 private int[] resolveUserIds(int userId) { 7660 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7661 } 7662 7663 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7664 if (pkg == null) { 7665 Slog.wtf(TAG, "Package was null!", new Throwable()); 7666 return; 7667 } 7668 clearAppDataLeafLIF(pkg, userId, flags); 7669 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7670 for (int i = 0; i < childCount; i++) { 7671 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7672 } 7673 } 7674 7675 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7676 final PackageSetting ps; 7677 synchronized (mPackages) { 7678 ps = mSettings.mPackages.get(pkg.packageName); 7679 } 7680 for (int realUserId : resolveUserIds(userId)) { 7681 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7682 try { 7683 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7684 ceDataInode); 7685 } catch (InstallerException e) { 7686 Slog.w(TAG, String.valueOf(e)); 7687 } 7688 } 7689 } 7690 7691 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7692 if (pkg == null) { 7693 Slog.wtf(TAG, "Package was null!", new Throwable()); 7694 return; 7695 } 7696 destroyAppDataLeafLIF(pkg, userId, flags); 7697 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7698 for (int i = 0; i < childCount; i++) { 7699 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7700 } 7701 } 7702 7703 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7704 final PackageSetting ps; 7705 synchronized (mPackages) { 7706 ps = mSettings.mPackages.get(pkg.packageName); 7707 } 7708 for (int realUserId : resolveUserIds(userId)) { 7709 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7710 try { 7711 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7712 ceDataInode); 7713 } catch (InstallerException e) { 7714 Slog.w(TAG, String.valueOf(e)); 7715 } 7716 } 7717 } 7718 7719 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7720 if (pkg == null) { 7721 Slog.wtf(TAG, "Package was null!", new Throwable()); 7722 return; 7723 } 7724 destroyAppProfilesLeafLIF(pkg); 7725 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7726 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7727 for (int i = 0; i < childCount; i++) { 7728 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7729 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7730 true /* removeBaseMarker */); 7731 } 7732 } 7733 7734 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7735 boolean removeBaseMarker) { 7736 if (pkg.isForwardLocked()) { 7737 return; 7738 } 7739 7740 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7741 try { 7742 path = PackageManagerServiceUtils.realpath(new File(path)); 7743 } catch (IOException e) { 7744 // TODO: Should we return early here ? 7745 Slog.w(TAG, "Failed to get canonical path", e); 7746 continue; 7747 } 7748 7749 final String useMarker = path.replace('/', '@'); 7750 for (int realUserId : resolveUserIds(userId)) { 7751 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7752 if (removeBaseMarker) { 7753 File foreignUseMark = new File(profileDir, useMarker); 7754 if (foreignUseMark.exists()) { 7755 if (!foreignUseMark.delete()) { 7756 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7757 + pkg.packageName); 7758 } 7759 } 7760 } 7761 7762 File[] markers = profileDir.listFiles(); 7763 if (markers != null) { 7764 final String searchString = "@" + pkg.packageName + "@"; 7765 // We also delete all markers that contain the package name we're 7766 // uninstalling. These are associated with secondary dex-files belonging 7767 // to the package. Reconstructing the path of these dex files is messy 7768 // in general. 7769 for (File marker : markers) { 7770 if (marker.getName().indexOf(searchString) > 0) { 7771 if (!marker.delete()) { 7772 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7773 + pkg.packageName); 7774 } 7775 } 7776 } 7777 } 7778 } 7779 } 7780 } 7781 7782 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7783 try { 7784 mInstaller.destroyAppProfiles(pkg.packageName); 7785 } catch (InstallerException e) { 7786 Slog.w(TAG, String.valueOf(e)); 7787 } 7788 } 7789 7790 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7791 if (pkg == null) { 7792 Slog.wtf(TAG, "Package was null!", new Throwable()); 7793 return; 7794 } 7795 clearAppProfilesLeafLIF(pkg); 7796 // We don't remove the base foreign use marker when clearing profiles because 7797 // we will rename it when the app is updated. Unlike the actual profile contents, 7798 // the foreign use marker is good across installs. 7799 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7800 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7801 for (int i = 0; i < childCount; i++) { 7802 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7803 } 7804 } 7805 7806 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7807 try { 7808 mInstaller.clearAppProfiles(pkg.packageName); 7809 } catch (InstallerException e) { 7810 Slog.w(TAG, String.valueOf(e)); 7811 } 7812 } 7813 7814 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7815 long lastUpdateTime) { 7816 // Set parent install/update time 7817 PackageSetting ps = (PackageSetting) pkg.mExtras; 7818 if (ps != null) { 7819 ps.firstInstallTime = firstInstallTime; 7820 ps.lastUpdateTime = lastUpdateTime; 7821 } 7822 // Set children install/update time 7823 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7824 for (int i = 0; i < childCount; i++) { 7825 PackageParser.Package childPkg = pkg.childPackages.get(i); 7826 ps = (PackageSetting) childPkg.mExtras; 7827 if (ps != null) { 7828 ps.firstInstallTime = firstInstallTime; 7829 ps.lastUpdateTime = lastUpdateTime; 7830 } 7831 } 7832 } 7833 7834 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7835 PackageParser.Package changingLib) { 7836 if (file.path != null) { 7837 usesLibraryFiles.add(file.path); 7838 return; 7839 } 7840 PackageParser.Package p = mPackages.get(file.apk); 7841 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7842 // If we are doing this while in the middle of updating a library apk, 7843 // then we need to make sure to use that new apk for determining the 7844 // dependencies here. (We haven't yet finished committing the new apk 7845 // to the package manager state.) 7846 if (p == null || p.packageName.equals(changingLib.packageName)) { 7847 p = changingLib; 7848 } 7849 } 7850 if (p != null) { 7851 usesLibraryFiles.addAll(p.getAllCodePaths()); 7852 } 7853 } 7854 7855 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7856 PackageParser.Package changingLib) throws PackageManagerException { 7857 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7858 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7859 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7860 for (int i=0; i<N; i++) { 7861 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7862 if (file == null) { 7863 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7864 "Package " + pkg.packageName + " requires unavailable shared library " 7865 + pkg.usesLibraries.get(i) + "; failing!"); 7866 } 7867 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7868 } 7869 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7870 for (int i=0; i<N; i++) { 7871 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7872 if (file == null) { 7873 Slog.w(TAG, "Package " + pkg.packageName 7874 + " desires unavailable shared library " 7875 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7876 } else { 7877 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7878 } 7879 } 7880 N = usesLibraryFiles.size(); 7881 if (N > 0) { 7882 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7883 } else { 7884 pkg.usesLibraryFiles = null; 7885 } 7886 } 7887 } 7888 7889 private static boolean hasString(List<String> list, List<String> which) { 7890 if (list == null) { 7891 return false; 7892 } 7893 for (int i=list.size()-1; i>=0; i--) { 7894 for (int j=which.size()-1; j>=0; j--) { 7895 if (which.get(j).equals(list.get(i))) { 7896 return true; 7897 } 7898 } 7899 } 7900 return false; 7901 } 7902 7903 private void updateAllSharedLibrariesLPw() { 7904 for (PackageParser.Package pkg : mPackages.values()) { 7905 try { 7906 updateSharedLibrariesLPw(pkg, null); 7907 } catch (PackageManagerException e) { 7908 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7909 } 7910 } 7911 } 7912 7913 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7914 PackageParser.Package changingPkg) { 7915 ArrayList<PackageParser.Package> res = null; 7916 for (PackageParser.Package pkg : mPackages.values()) { 7917 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7918 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7919 if (res == null) { 7920 res = new ArrayList<PackageParser.Package>(); 7921 } 7922 res.add(pkg); 7923 try { 7924 updateSharedLibrariesLPw(pkg, changingPkg); 7925 } catch (PackageManagerException e) { 7926 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7927 } 7928 } 7929 } 7930 return res; 7931 } 7932 7933 /** 7934 * Derive the value of the {@code cpuAbiOverride} based on the provided 7935 * value and an optional stored value from the package settings. 7936 */ 7937 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7938 String cpuAbiOverride = null; 7939 7940 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7941 cpuAbiOverride = null; 7942 } else if (abiOverride != null) { 7943 cpuAbiOverride = abiOverride; 7944 } else if (settings != null) { 7945 cpuAbiOverride = settings.cpuAbiOverrideString; 7946 } 7947 7948 return cpuAbiOverride; 7949 } 7950 7951 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7952 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7953 throws PackageManagerException { 7954 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7955 // If the package has children and this is the first dive in the function 7956 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7957 // whether all packages (parent and children) would be successfully scanned 7958 // before the actual scan since scanning mutates internal state and we want 7959 // to atomically install the package and its children. 7960 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7961 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7962 scanFlags |= SCAN_CHECK_ONLY; 7963 } 7964 } else { 7965 scanFlags &= ~SCAN_CHECK_ONLY; 7966 } 7967 7968 final PackageParser.Package scannedPkg; 7969 try { 7970 // Scan the parent 7971 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7972 // Scan the children 7973 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7974 for (int i = 0; i < childCount; i++) { 7975 PackageParser.Package childPkg = pkg.childPackages.get(i); 7976 scanPackageLI(childPkg, policyFlags, 7977 scanFlags, currentTime, user); 7978 } 7979 } finally { 7980 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7981 } 7982 7983 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7984 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7985 } 7986 7987 return scannedPkg; 7988 } 7989 7990 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7991 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7992 boolean success = false; 7993 try { 7994 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7995 currentTime, user); 7996 success = true; 7997 return res; 7998 } finally { 7999 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8000 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8001 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8002 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8003 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8004 } 8005 } 8006 } 8007 8008 /** 8009 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8010 */ 8011 private static boolean apkHasCode(String fileName) { 8012 StrictJarFile jarFile = null; 8013 try { 8014 jarFile = new StrictJarFile(fileName, 8015 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8016 return jarFile.findEntry("classes.dex") != null; 8017 } catch (IOException ignore) { 8018 } finally { 8019 try { 8020 if (jarFile != null) { 8021 jarFile.close(); 8022 } 8023 } catch (IOException ignore) {} 8024 } 8025 return false; 8026 } 8027 8028 /** 8029 * Enforces code policy for the package. This ensures that if an APK has 8030 * declared hasCode="true" in its manifest that the APK actually contains 8031 * code. 8032 * 8033 * @throws PackageManagerException If bytecode could not be found when it should exist 8034 */ 8035 private static void enforceCodePolicy(PackageParser.Package pkg) 8036 throws PackageManagerException { 8037 final boolean shouldHaveCode = 8038 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8039 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8040 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8041 "Package " + pkg.baseCodePath + " code is missing"); 8042 } 8043 8044 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8045 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8046 final boolean splitShouldHaveCode = 8047 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8048 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8049 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8050 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8051 } 8052 } 8053 } 8054 } 8055 8056 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8057 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8058 throws PackageManagerException { 8059 final File scanFile = new File(pkg.codePath); 8060 if (pkg.applicationInfo.getCodePath() == null || 8061 pkg.applicationInfo.getResourcePath() == null) { 8062 // Bail out. The resource and code paths haven't been set. 8063 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8064 "Code and resource paths haven't been set correctly"); 8065 } 8066 8067 // Apply policy 8068 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8069 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8070 if (pkg.applicationInfo.isDirectBootAware()) { 8071 // we're direct boot aware; set for all components 8072 for (PackageParser.Service s : pkg.services) { 8073 s.info.encryptionAware = s.info.directBootAware = true; 8074 } 8075 for (PackageParser.Provider p : pkg.providers) { 8076 p.info.encryptionAware = p.info.directBootAware = true; 8077 } 8078 for (PackageParser.Activity a : pkg.activities) { 8079 a.info.encryptionAware = a.info.directBootAware = true; 8080 } 8081 for (PackageParser.Activity r : pkg.receivers) { 8082 r.info.encryptionAware = r.info.directBootAware = true; 8083 } 8084 } 8085 } else { 8086 // Only allow system apps to be flagged as core apps. 8087 pkg.coreApp = false; 8088 // clear flags not applicable to regular apps 8089 pkg.applicationInfo.privateFlags &= 8090 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8091 pkg.applicationInfo.privateFlags &= 8092 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8093 } 8094 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8095 8096 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8097 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8098 } 8099 8100 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8101 enforceCodePolicy(pkg); 8102 } 8103 8104 if (mCustomResolverComponentName != null && 8105 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8106 setUpCustomResolverActivity(pkg); 8107 } 8108 8109 if (pkg.packageName.equals("android")) { 8110 synchronized (mPackages) { 8111 if (mAndroidApplication != null) { 8112 Slog.w(TAG, "*************************************************"); 8113 Slog.w(TAG, "Core android package being redefined. Skipping."); 8114 Slog.w(TAG, " file=" + scanFile); 8115 Slog.w(TAG, "*************************************************"); 8116 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8117 "Core android package being redefined. Skipping."); 8118 } 8119 8120 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8121 // Set up information for our fall-back user intent resolution activity. 8122 mPlatformPackage = pkg; 8123 pkg.mVersionCode = mSdkVersion; 8124 mAndroidApplication = pkg.applicationInfo; 8125 8126 if (!mResolverReplaced) { 8127 mResolveActivity.applicationInfo = mAndroidApplication; 8128 mResolveActivity.name = ResolverActivity.class.getName(); 8129 mResolveActivity.packageName = mAndroidApplication.packageName; 8130 mResolveActivity.processName = "system:ui"; 8131 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8132 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8133 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8134 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8135 mResolveActivity.exported = true; 8136 mResolveActivity.enabled = true; 8137 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8138 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8139 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8140 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8141 | ActivityInfo.CONFIG_ORIENTATION 8142 | ActivityInfo.CONFIG_KEYBOARD 8143 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8144 mResolveInfo.activityInfo = mResolveActivity; 8145 mResolveInfo.priority = 0; 8146 mResolveInfo.preferredOrder = 0; 8147 mResolveInfo.match = 0; 8148 mResolveComponentName = new ComponentName( 8149 mAndroidApplication.packageName, mResolveActivity.name); 8150 } 8151 } 8152 } 8153 } 8154 8155 if (DEBUG_PACKAGE_SCANNING) { 8156 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8157 Log.d(TAG, "Scanning package " + pkg.packageName); 8158 } 8159 8160 synchronized (mPackages) { 8161 if (mPackages.containsKey(pkg.packageName) 8162 || mSharedLibraries.containsKey(pkg.packageName)) { 8163 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8164 "Application package " + pkg.packageName 8165 + " already installed. Skipping duplicate."); 8166 } 8167 8168 // If we're only installing presumed-existing packages, require that the 8169 // scanned APK is both already known and at the path previously established 8170 // for it. Previously unknown packages we pick up normally, but if we have an 8171 // a priori expectation about this package's install presence, enforce it. 8172 // With a singular exception for new system packages. When an OTA contains 8173 // a new system package, we allow the codepath to change from a system location 8174 // to the user-installed location. If we don't allow this change, any newer, 8175 // user-installed version of the application will be ignored. 8176 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8177 if (mExpectingBetter.containsKey(pkg.packageName)) { 8178 logCriticalInfo(Log.WARN, 8179 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8180 } else { 8181 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8182 if (known != null) { 8183 if (DEBUG_PACKAGE_SCANNING) { 8184 Log.d(TAG, "Examining " + pkg.codePath 8185 + " and requiring known paths " + known.codePathString 8186 + " & " + known.resourcePathString); 8187 } 8188 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8189 || !pkg.applicationInfo.getResourcePath().equals( 8190 known.resourcePathString)) { 8191 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8192 "Application package " + pkg.packageName 8193 + " found at " + pkg.applicationInfo.getCodePath() 8194 + " but expected at " + known.codePathString 8195 + "; ignoring."); 8196 } 8197 } 8198 } 8199 } 8200 } 8201 8202 // Initialize package source and resource directories 8203 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8204 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8205 8206 SharedUserSetting suid = null; 8207 PackageSetting pkgSetting = null; 8208 8209 if (!isSystemApp(pkg)) { 8210 // Only system apps can use these features. 8211 pkg.mOriginalPackages = null; 8212 pkg.mRealPackage = null; 8213 pkg.mAdoptPermissions = null; 8214 } 8215 8216 // Getting the package setting may have a side-effect, so if we 8217 // are only checking if scan would succeed, stash a copy of the 8218 // old setting to restore at the end. 8219 PackageSetting nonMutatedPs = null; 8220 8221 // writer 8222 synchronized (mPackages) { 8223 if (pkg.mSharedUserId != null) { 8224 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8225 if (suid == null) { 8226 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8227 "Creating application package " + pkg.packageName 8228 + " for shared user failed"); 8229 } 8230 if (DEBUG_PACKAGE_SCANNING) { 8231 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8232 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8233 + "): packages=" + suid.packages); 8234 } 8235 } 8236 8237 // Check if we are renaming from an original package name. 8238 PackageSetting origPackage = null; 8239 String realName = null; 8240 if (pkg.mOriginalPackages != null) { 8241 // This package may need to be renamed to a previously 8242 // installed name. Let's check on that... 8243 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8244 if (pkg.mOriginalPackages.contains(renamed)) { 8245 // This package had originally been installed as the 8246 // original name, and we have already taken care of 8247 // transitioning to the new one. Just update the new 8248 // one to continue using the old name. 8249 realName = pkg.mRealPackage; 8250 if (!pkg.packageName.equals(renamed)) { 8251 // Callers into this function may have already taken 8252 // care of renaming the package; only do it here if 8253 // it is not already done. 8254 pkg.setPackageName(renamed); 8255 } 8256 8257 } else { 8258 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8259 if ((origPackage = mSettings.peekPackageLPr( 8260 pkg.mOriginalPackages.get(i))) != null) { 8261 // We do have the package already installed under its 8262 // original name... should we use it? 8263 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8264 // New package is not compatible with original. 8265 origPackage = null; 8266 continue; 8267 } else if (origPackage.sharedUser != null) { 8268 // Make sure uid is compatible between packages. 8269 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8270 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8271 + " to " + pkg.packageName + ": old uid " 8272 + origPackage.sharedUser.name 8273 + " differs from " + pkg.mSharedUserId); 8274 origPackage = null; 8275 continue; 8276 } 8277 // TODO: Add case when shared user id is added [b/28144775] 8278 } else { 8279 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8280 + pkg.packageName + " to old name " + origPackage.name); 8281 } 8282 break; 8283 } 8284 } 8285 } 8286 } 8287 8288 if (mTransferedPackages.contains(pkg.packageName)) { 8289 Slog.w(TAG, "Package " + pkg.packageName 8290 + " was transferred to another, but its .apk remains"); 8291 } 8292 8293 // See comments in nonMutatedPs declaration 8294 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8295 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8296 if (foundPs != null) { 8297 nonMutatedPs = new PackageSetting(foundPs); 8298 } 8299 } 8300 8301 // Just create the setting, don't add it yet. For already existing packages 8302 // the PkgSetting exists already and doesn't have to be created. 8303 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8304 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8305 pkg.applicationInfo.primaryCpuAbi, 8306 pkg.applicationInfo.secondaryCpuAbi, 8307 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8308 user, false); 8309 if (pkgSetting == null) { 8310 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8311 "Creating application package " + pkg.packageName + " failed"); 8312 } 8313 8314 if (pkgSetting.origPackage != null) { 8315 // If we are first transitioning from an original package, 8316 // fix up the new package's name now. We need to do this after 8317 // looking up the package under its new name, so getPackageLP 8318 // can take care of fiddling things correctly. 8319 pkg.setPackageName(origPackage.name); 8320 8321 // File a report about this. 8322 String msg = "New package " + pkgSetting.realName 8323 + " renamed to replace old package " + pkgSetting.name; 8324 reportSettingsProblem(Log.WARN, msg); 8325 8326 // Make a note of it. 8327 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8328 mTransferedPackages.add(origPackage.name); 8329 } 8330 8331 // No longer need to retain this. 8332 pkgSetting.origPackage = null; 8333 } 8334 8335 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8336 // Make a note of it. 8337 mTransferedPackages.add(pkg.packageName); 8338 } 8339 8340 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8341 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8342 } 8343 8344 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8345 // Check all shared libraries and map to their actual file path. 8346 // We only do this here for apps not on a system dir, because those 8347 // are the only ones that can fail an install due to this. We 8348 // will take care of the system apps by updating all of their 8349 // library paths after the scan is done. 8350 updateSharedLibrariesLPw(pkg, null); 8351 } 8352 8353 if (mFoundPolicyFile) { 8354 SELinuxMMAC.assignSeinfoValue(pkg); 8355 } 8356 8357 pkg.applicationInfo.uid = pkgSetting.appId; 8358 pkg.mExtras = pkgSetting; 8359 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8360 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8361 // We just determined the app is signed correctly, so bring 8362 // over the latest parsed certs. 8363 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8364 } else { 8365 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8366 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8367 "Package " + pkg.packageName + " upgrade keys do not match the " 8368 + "previously installed version"); 8369 } else { 8370 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8371 String msg = "System package " + pkg.packageName 8372 + " signature changed; retaining data."; 8373 reportSettingsProblem(Log.WARN, msg); 8374 } 8375 } 8376 } else { 8377 try { 8378 verifySignaturesLP(pkgSetting, pkg); 8379 // We just determined the app is signed correctly, so bring 8380 // over the latest parsed certs. 8381 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8382 } catch (PackageManagerException e) { 8383 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8384 throw e; 8385 } 8386 // The signature has changed, but this package is in the system 8387 // image... let's recover! 8388 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8389 // However... if this package is part of a shared user, but it 8390 // doesn't match the signature of the shared user, let's fail. 8391 // What this means is that you can't change the signatures 8392 // associated with an overall shared user, which doesn't seem all 8393 // that unreasonable. 8394 if (pkgSetting.sharedUser != null) { 8395 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8396 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8397 throw new PackageManagerException( 8398 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8399 "Signature mismatch for shared user: " 8400 + pkgSetting.sharedUser); 8401 } 8402 } 8403 // File a report about this. 8404 String msg = "System package " + pkg.packageName 8405 + " signature changed; retaining data."; 8406 reportSettingsProblem(Log.WARN, msg); 8407 } 8408 } 8409 // Verify that this new package doesn't have any content providers 8410 // that conflict with existing packages. Only do this if the 8411 // package isn't already installed, since we don't want to break 8412 // things that are installed. 8413 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8414 final int N = pkg.providers.size(); 8415 int i; 8416 for (i=0; i<N; i++) { 8417 PackageParser.Provider p = pkg.providers.get(i); 8418 if (p.info.authority != null) { 8419 String names[] = p.info.authority.split(";"); 8420 for (int j = 0; j < names.length; j++) { 8421 if (mProvidersByAuthority.containsKey(names[j])) { 8422 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8423 final String otherPackageName = 8424 ((other != null && other.getComponentName() != null) ? 8425 other.getComponentName().getPackageName() : "?"); 8426 throw new PackageManagerException( 8427 INSTALL_FAILED_CONFLICTING_PROVIDER, 8428 "Can't install because provider name " + names[j] 8429 + " (in package " + pkg.applicationInfo.packageName 8430 + ") is already used by " + otherPackageName); 8431 } 8432 } 8433 } 8434 } 8435 } 8436 8437 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8438 // This package wants to adopt ownership of permissions from 8439 // another package. 8440 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8441 final String origName = pkg.mAdoptPermissions.get(i); 8442 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8443 if (orig != null) { 8444 if (verifyPackageUpdateLPr(orig, pkg)) { 8445 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8446 + pkg.packageName); 8447 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8448 } 8449 } 8450 } 8451 } 8452 } 8453 8454 final String pkgName = pkg.packageName; 8455 8456 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8457 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8458 pkg.applicationInfo.processName = fixProcessName( 8459 pkg.applicationInfo.packageName, 8460 pkg.applicationInfo.processName, 8461 pkg.applicationInfo.uid); 8462 8463 if (pkg != mPlatformPackage) { 8464 // Get all of our default paths setup 8465 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8466 } 8467 8468 final String path = scanFile.getPath(); 8469 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8470 8471 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8472 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8473 8474 // Some system apps still use directory structure for native libraries 8475 // in which case we might end up not detecting abi solely based on apk 8476 // structure. Try to detect abi based on directory structure. 8477 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8478 pkg.applicationInfo.primaryCpuAbi == null) { 8479 setBundledAppAbisAndRoots(pkg, pkgSetting); 8480 setNativeLibraryPaths(pkg); 8481 } 8482 8483 } else { 8484 if ((scanFlags & SCAN_MOVE) != 0) { 8485 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8486 // but we already have this packages package info in the PackageSetting. We just 8487 // use that and derive the native library path based on the new codepath. 8488 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8489 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8490 } 8491 8492 // Set native library paths again. For moves, the path will be updated based on the 8493 // ABIs we've determined above. For non-moves, the path will be updated based on the 8494 // ABIs we determined during compilation, but the path will depend on the final 8495 // package path (after the rename away from the stage path). 8496 setNativeLibraryPaths(pkg); 8497 } 8498 8499 // This is a special case for the "system" package, where the ABI is 8500 // dictated by the zygote configuration (and init.rc). We should keep track 8501 // of this ABI so that we can deal with "normal" applications that run under 8502 // the same UID correctly. 8503 if (mPlatformPackage == pkg) { 8504 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8505 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8506 } 8507 8508 // If there's a mismatch between the abi-override in the package setting 8509 // and the abiOverride specified for the install. Warn about this because we 8510 // would've already compiled the app without taking the package setting into 8511 // account. 8512 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8513 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8514 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8515 " for package " + pkg.packageName); 8516 } 8517 } 8518 8519 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8520 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8521 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8522 8523 // Copy the derived override back to the parsed package, so that we can 8524 // update the package settings accordingly. 8525 pkg.cpuAbiOverride = cpuAbiOverride; 8526 8527 if (DEBUG_ABI_SELECTION) { 8528 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8529 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8530 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8531 } 8532 8533 // Push the derived path down into PackageSettings so we know what to 8534 // clean up at uninstall time. 8535 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8536 8537 if (DEBUG_ABI_SELECTION) { 8538 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8539 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8540 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8541 } 8542 8543 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8544 // We don't do this here during boot because we can do it all 8545 // at once after scanning all existing packages. 8546 // 8547 // We also do this *before* we perform dexopt on this package, so that 8548 // we can avoid redundant dexopts, and also to make sure we've got the 8549 // code and package path correct. 8550 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8551 pkg, true /* boot complete */); 8552 } 8553 8554 if (mFactoryTest && pkg.requestedPermissions.contains( 8555 android.Manifest.permission.FACTORY_TEST)) { 8556 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8557 } 8558 8559 ArrayList<PackageParser.Package> clientLibPkgs = null; 8560 8561 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8562 if (nonMutatedPs != null) { 8563 synchronized (mPackages) { 8564 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8565 } 8566 } 8567 return pkg; 8568 } 8569 8570 // Only privileged apps and updated privileged apps can add child packages. 8571 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8572 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8573 throw new PackageManagerException("Only privileged apps and updated " 8574 + "privileged apps can add child packages. Ignoring package " 8575 + pkg.packageName); 8576 } 8577 final int childCount = pkg.childPackages.size(); 8578 for (int i = 0; i < childCount; i++) { 8579 PackageParser.Package childPkg = pkg.childPackages.get(i); 8580 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8581 childPkg.packageName)) { 8582 throw new PackageManagerException("Cannot override a child package of " 8583 + "another disabled system app. Ignoring package " + pkg.packageName); 8584 } 8585 } 8586 } 8587 8588 // writer 8589 synchronized (mPackages) { 8590 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8591 // Only system apps can add new shared libraries. 8592 if (pkg.libraryNames != null) { 8593 for (int i=0; i<pkg.libraryNames.size(); i++) { 8594 String name = pkg.libraryNames.get(i); 8595 boolean allowed = false; 8596 if (pkg.isUpdatedSystemApp()) { 8597 // New library entries can only be added through the 8598 // system image. This is important to get rid of a lot 8599 // of nasty edge cases: for example if we allowed a non- 8600 // system update of the app to add a library, then uninstalling 8601 // the update would make the library go away, and assumptions 8602 // we made such as through app install filtering would now 8603 // have allowed apps on the device which aren't compatible 8604 // with it. Better to just have the restriction here, be 8605 // conservative, and create many fewer cases that can negatively 8606 // impact the user experience. 8607 final PackageSetting sysPs = mSettings 8608 .getDisabledSystemPkgLPr(pkg.packageName); 8609 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8610 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8611 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8612 allowed = true; 8613 break; 8614 } 8615 } 8616 } 8617 } else { 8618 allowed = true; 8619 } 8620 if (allowed) { 8621 if (!mSharedLibraries.containsKey(name)) { 8622 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8623 } else if (!name.equals(pkg.packageName)) { 8624 Slog.w(TAG, "Package " + pkg.packageName + " library " 8625 + name + " already exists; skipping"); 8626 } 8627 } else { 8628 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8629 + name + " that is not declared on system image; skipping"); 8630 } 8631 } 8632 if ((scanFlags & SCAN_BOOTING) == 0) { 8633 // If we are not booting, we need to update any applications 8634 // that are clients of our shared library. If we are booting, 8635 // this will all be done once the scan is complete. 8636 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8637 } 8638 } 8639 } 8640 } 8641 8642 if ((scanFlags & SCAN_BOOTING) != 0) { 8643 // No apps can run during boot scan, so they don't need to be frozen 8644 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8645 // Caller asked to not kill app, so it's probably not frozen 8646 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8647 // Caller asked us to ignore frozen check for some reason; they 8648 // probably didn't know the package name 8649 } else { 8650 // We're doing major surgery on this package, so it better be frozen 8651 // right now to keep it from launching 8652 checkPackageFrozen(pkgName); 8653 } 8654 8655 // Also need to kill any apps that are dependent on the library. 8656 if (clientLibPkgs != null) { 8657 for (int i=0; i<clientLibPkgs.size(); i++) { 8658 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8659 killApplication(clientPkg.applicationInfo.packageName, 8660 clientPkg.applicationInfo.uid, "update lib"); 8661 } 8662 } 8663 8664 // Make sure we're not adding any bogus keyset info 8665 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8666 ksms.assertScannedPackageValid(pkg); 8667 8668 // writer 8669 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8670 8671 boolean createIdmapFailed = false; 8672 synchronized (mPackages) { 8673 // We don't expect installation to fail beyond this point 8674 8675 if (pkgSetting.pkg != null) { 8676 // Note that |user| might be null during the initial boot scan. If a codePath 8677 // for an app has changed during a boot scan, it's due to an app update that's 8678 // part of the system partition and marker changes must be applied to all users. 8679 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8680 (user != null) ? user : UserHandle.ALL); 8681 } 8682 8683 // Add the new setting to mSettings 8684 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8685 // Add the new setting to mPackages 8686 mPackages.put(pkg.applicationInfo.packageName, pkg); 8687 // Make sure we don't accidentally delete its data. 8688 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8689 while (iter.hasNext()) { 8690 PackageCleanItem item = iter.next(); 8691 if (pkgName.equals(item.packageName)) { 8692 iter.remove(); 8693 } 8694 } 8695 8696 // Take care of first install / last update times. 8697 if (currentTime != 0) { 8698 if (pkgSetting.firstInstallTime == 0) { 8699 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8700 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8701 pkgSetting.lastUpdateTime = currentTime; 8702 } 8703 } else if (pkgSetting.firstInstallTime == 0) { 8704 // We need *something*. Take time time stamp of the file. 8705 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8706 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8707 if (scanFileTime != pkgSetting.timeStamp) { 8708 // A package on the system image has changed; consider this 8709 // to be an update. 8710 pkgSetting.lastUpdateTime = scanFileTime; 8711 } 8712 } 8713 8714 // Add the package's KeySets to the global KeySetManagerService 8715 ksms.addScannedPackageLPw(pkg); 8716 8717 int N = pkg.providers.size(); 8718 StringBuilder r = null; 8719 int i; 8720 for (i=0; i<N; i++) { 8721 PackageParser.Provider p = pkg.providers.get(i); 8722 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8723 p.info.processName, pkg.applicationInfo.uid); 8724 mProviders.addProvider(p); 8725 p.syncable = p.info.isSyncable; 8726 if (p.info.authority != null) { 8727 String names[] = p.info.authority.split(";"); 8728 p.info.authority = null; 8729 for (int j = 0; j < names.length; j++) { 8730 if (j == 1 && p.syncable) { 8731 // We only want the first authority for a provider to possibly be 8732 // syncable, so if we already added this provider using a different 8733 // authority clear the syncable flag. We copy the provider before 8734 // changing it because the mProviders object contains a reference 8735 // to a provider that we don't want to change. 8736 // Only do this for the second authority since the resulting provider 8737 // object can be the same for all future authorities for this provider. 8738 p = new PackageParser.Provider(p); 8739 p.syncable = false; 8740 } 8741 if (!mProvidersByAuthority.containsKey(names[j])) { 8742 mProvidersByAuthority.put(names[j], p); 8743 if (p.info.authority == null) { 8744 p.info.authority = names[j]; 8745 } else { 8746 p.info.authority = p.info.authority + ";" + names[j]; 8747 } 8748 if (DEBUG_PACKAGE_SCANNING) { 8749 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8750 Log.d(TAG, "Registered content provider: " + names[j] 8751 + ", className = " + p.info.name + ", isSyncable = " 8752 + p.info.isSyncable); 8753 } 8754 } else { 8755 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8756 Slog.w(TAG, "Skipping provider name " + names[j] + 8757 " (in package " + pkg.applicationInfo.packageName + 8758 "): name already used by " 8759 + ((other != null && other.getComponentName() != null) 8760 ? other.getComponentName().getPackageName() : "?")); 8761 } 8762 } 8763 } 8764 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8765 if (r == null) { 8766 r = new StringBuilder(256); 8767 } else { 8768 r.append(' '); 8769 } 8770 r.append(p.info.name); 8771 } 8772 } 8773 if (r != null) { 8774 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8775 } 8776 8777 N = pkg.services.size(); 8778 r = null; 8779 for (i=0; i<N; i++) { 8780 PackageParser.Service s = pkg.services.get(i); 8781 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8782 s.info.processName, pkg.applicationInfo.uid); 8783 mServices.addService(s); 8784 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8785 if (r == null) { 8786 r = new StringBuilder(256); 8787 } else { 8788 r.append(' '); 8789 } 8790 r.append(s.info.name); 8791 } 8792 } 8793 if (r != null) { 8794 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8795 } 8796 8797 N = pkg.receivers.size(); 8798 r = null; 8799 for (i=0; i<N; i++) { 8800 PackageParser.Activity a = pkg.receivers.get(i); 8801 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8802 a.info.processName, pkg.applicationInfo.uid); 8803 mReceivers.addActivity(a, "receiver"); 8804 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8805 if (r == null) { 8806 r = new StringBuilder(256); 8807 } else { 8808 r.append(' '); 8809 } 8810 r.append(a.info.name); 8811 } 8812 } 8813 if (r != null) { 8814 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8815 } 8816 8817 N = pkg.activities.size(); 8818 r = null; 8819 for (i=0; i<N; i++) { 8820 PackageParser.Activity a = pkg.activities.get(i); 8821 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8822 a.info.processName, pkg.applicationInfo.uid); 8823 mActivities.addActivity(a, "activity"); 8824 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8825 if (r == null) { 8826 r = new StringBuilder(256); 8827 } else { 8828 r.append(' '); 8829 } 8830 r.append(a.info.name); 8831 } 8832 } 8833 if (r != null) { 8834 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8835 } 8836 8837 N = pkg.permissionGroups.size(); 8838 r = null; 8839 for (i=0; i<N; i++) { 8840 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8841 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8842 if (cur == null) { 8843 mPermissionGroups.put(pg.info.name, pg); 8844 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8845 if (r == null) { 8846 r = new StringBuilder(256); 8847 } else { 8848 r.append(' '); 8849 } 8850 r.append(pg.info.name); 8851 } 8852 } else { 8853 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8854 + pg.info.packageName + " ignored: original from " 8855 + cur.info.packageName); 8856 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8857 if (r == null) { 8858 r = new StringBuilder(256); 8859 } else { 8860 r.append(' '); 8861 } 8862 r.append("DUP:"); 8863 r.append(pg.info.name); 8864 } 8865 } 8866 } 8867 if (r != null) { 8868 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8869 } 8870 8871 N = pkg.permissions.size(); 8872 r = null; 8873 for (i=0; i<N; i++) { 8874 PackageParser.Permission p = pkg.permissions.get(i); 8875 8876 // Assume by default that we did not install this permission into the system. 8877 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8878 8879 // Now that permission groups have a special meaning, we ignore permission 8880 // groups for legacy apps to prevent unexpected behavior. In particular, 8881 // permissions for one app being granted to someone just becase they happen 8882 // to be in a group defined by another app (before this had no implications). 8883 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8884 p.group = mPermissionGroups.get(p.info.group); 8885 // Warn for a permission in an unknown group. 8886 if (p.info.group != null && p.group == null) { 8887 Slog.w(TAG, "Permission " + p.info.name + " from package " 8888 + p.info.packageName + " in an unknown group " + p.info.group); 8889 } 8890 } 8891 8892 ArrayMap<String, BasePermission> permissionMap = 8893 p.tree ? mSettings.mPermissionTrees 8894 : mSettings.mPermissions; 8895 BasePermission bp = permissionMap.get(p.info.name); 8896 8897 // Allow system apps to redefine non-system permissions 8898 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8899 final boolean currentOwnerIsSystem = (bp.perm != null 8900 && isSystemApp(bp.perm.owner)); 8901 if (isSystemApp(p.owner)) { 8902 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8903 // It's a built-in permission and no owner, take ownership now 8904 bp.packageSetting = pkgSetting; 8905 bp.perm = p; 8906 bp.uid = pkg.applicationInfo.uid; 8907 bp.sourcePackage = p.info.packageName; 8908 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8909 } else if (!currentOwnerIsSystem) { 8910 String msg = "New decl " + p.owner + " of permission " 8911 + p.info.name + " is system; overriding " + bp.sourcePackage; 8912 reportSettingsProblem(Log.WARN, msg); 8913 bp = null; 8914 } 8915 } 8916 } 8917 8918 if (bp == null) { 8919 bp = new BasePermission(p.info.name, p.info.packageName, 8920 BasePermission.TYPE_NORMAL); 8921 permissionMap.put(p.info.name, bp); 8922 } 8923 8924 if (bp.perm == null) { 8925 if (bp.sourcePackage == null 8926 || bp.sourcePackage.equals(p.info.packageName)) { 8927 BasePermission tree = findPermissionTreeLP(p.info.name); 8928 if (tree == null 8929 || tree.sourcePackage.equals(p.info.packageName)) { 8930 bp.packageSetting = pkgSetting; 8931 bp.perm = p; 8932 bp.uid = pkg.applicationInfo.uid; 8933 bp.sourcePackage = p.info.packageName; 8934 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8935 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8936 if (r == null) { 8937 r = new StringBuilder(256); 8938 } else { 8939 r.append(' '); 8940 } 8941 r.append(p.info.name); 8942 } 8943 } else { 8944 Slog.w(TAG, "Permission " + p.info.name + " from package " 8945 + p.info.packageName + " ignored: base tree " 8946 + tree.name + " is from package " 8947 + tree.sourcePackage); 8948 } 8949 } else { 8950 Slog.w(TAG, "Permission " + p.info.name + " from package " 8951 + p.info.packageName + " ignored: original from " 8952 + bp.sourcePackage); 8953 } 8954 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8955 if (r == null) { 8956 r = new StringBuilder(256); 8957 } else { 8958 r.append(' '); 8959 } 8960 r.append("DUP:"); 8961 r.append(p.info.name); 8962 } 8963 if (bp.perm == p) { 8964 bp.protectionLevel = p.info.protectionLevel; 8965 } 8966 } 8967 8968 if (r != null) { 8969 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8970 } 8971 8972 N = pkg.instrumentation.size(); 8973 r = null; 8974 for (i=0; i<N; i++) { 8975 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8976 a.info.packageName = pkg.applicationInfo.packageName; 8977 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8978 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8979 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8980 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8981 a.info.dataDir = pkg.applicationInfo.dataDir; 8982 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8983 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8984 8985 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8986 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8987 mInstrumentation.put(a.getComponentName(), a); 8988 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8989 if (r == null) { 8990 r = new StringBuilder(256); 8991 } else { 8992 r.append(' '); 8993 } 8994 r.append(a.info.name); 8995 } 8996 } 8997 if (r != null) { 8998 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8999 } 9000 9001 if (pkg.protectedBroadcasts != null) { 9002 N = pkg.protectedBroadcasts.size(); 9003 for (i=0; i<N; i++) { 9004 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9005 } 9006 } 9007 9008 pkgSetting.setTimeStamp(scanFileTime); 9009 9010 // Create idmap files for pairs of (packages, overlay packages). 9011 // Note: "android", ie framework-res.apk, is handled by native layers. 9012 if (pkg.mOverlayTarget != null) { 9013 // This is an overlay package. 9014 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9015 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9016 mOverlays.put(pkg.mOverlayTarget, 9017 new ArrayMap<String, PackageParser.Package>()); 9018 } 9019 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9020 map.put(pkg.packageName, pkg); 9021 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9022 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9023 createIdmapFailed = true; 9024 } 9025 } 9026 } else if (mOverlays.containsKey(pkg.packageName) && 9027 !pkg.packageName.equals("android")) { 9028 // This is a regular package, with one or more known overlay packages. 9029 createIdmapsForPackageLI(pkg); 9030 } 9031 } 9032 9033 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9034 9035 if (createIdmapFailed) { 9036 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9037 "scanPackageLI failed to createIdmap"); 9038 } 9039 return pkg; 9040 } 9041 9042 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9043 PackageParser.Package update, UserHandle user) { 9044 if (existing.applicationInfo == null || update.applicationInfo == null) { 9045 // This isn't due to an app installation. 9046 return; 9047 } 9048 9049 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9050 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9051 9052 // The codePath hasn't changed, so there's nothing for us to do. 9053 if (Objects.equals(oldCodePath, newCodePath)) { 9054 return; 9055 } 9056 9057 File canonicalNewCodePath; 9058 try { 9059 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9060 } catch (IOException e) { 9061 Slog.w(TAG, "Failed to get canonical path.", e); 9062 return; 9063 } 9064 9065 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9066 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9067 // that the last component of the path (i.e, the name) doesn't need canonicalization 9068 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9069 // but may change in the future. Hopefully this function won't exist at that point. 9070 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9071 oldCodePath.getName()); 9072 9073 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9074 // with "@". 9075 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9076 if (!oldMarkerPrefix.endsWith("@")) { 9077 oldMarkerPrefix += "@"; 9078 } 9079 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9080 if (!newMarkerPrefix.endsWith("@")) { 9081 newMarkerPrefix += "@"; 9082 } 9083 9084 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9085 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9086 for (String updatedPath : updatedPaths) { 9087 String updatedPathName = new File(updatedPath).getName(); 9088 markerSuffixes.add(updatedPathName.replace('/', '@')); 9089 } 9090 9091 for (int userId : resolveUserIds(user.getIdentifier())) { 9092 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9093 9094 for (String markerSuffix : markerSuffixes) { 9095 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9096 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9097 if (oldForeignUseMark.exists()) { 9098 try { 9099 Os.rename(oldForeignUseMark.getAbsolutePath(), 9100 newForeignUseMark.getAbsolutePath()); 9101 } catch (ErrnoException e) { 9102 Slog.w(TAG, "Failed to rename foreign use marker", e); 9103 oldForeignUseMark.delete(); 9104 } 9105 } 9106 } 9107 } 9108 } 9109 9110 /** 9111 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9112 * is derived purely on the basis of the contents of {@code scanFile} and 9113 * {@code cpuAbiOverride}. 9114 * 9115 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9116 */ 9117 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9118 String cpuAbiOverride, boolean extractLibs) 9119 throws PackageManagerException { 9120 // TODO: We can probably be smarter about this stuff. For installed apps, 9121 // we can calculate this information at install time once and for all. For 9122 // system apps, we can probably assume that this information doesn't change 9123 // after the first boot scan. As things stand, we do lots of unnecessary work. 9124 9125 // Give ourselves some initial paths; we'll come back for another 9126 // pass once we've determined ABI below. 9127 setNativeLibraryPaths(pkg); 9128 9129 // We would never need to extract libs for forward-locked and external packages, 9130 // since the container service will do it for us. We shouldn't attempt to 9131 // extract libs from system app when it was not updated. 9132 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9133 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9134 extractLibs = false; 9135 } 9136 9137 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9138 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9139 9140 NativeLibraryHelper.Handle handle = null; 9141 try { 9142 handle = NativeLibraryHelper.Handle.create(pkg); 9143 // TODO(multiArch): This can be null for apps that didn't go through the 9144 // usual installation process. We can calculate it again, like we 9145 // do during install time. 9146 // 9147 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9148 // unnecessary. 9149 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9150 9151 // Null out the abis so that they can be recalculated. 9152 pkg.applicationInfo.primaryCpuAbi = null; 9153 pkg.applicationInfo.secondaryCpuAbi = null; 9154 if (isMultiArch(pkg.applicationInfo)) { 9155 // Warn if we've set an abiOverride for multi-lib packages.. 9156 // By definition, we need to copy both 32 and 64 bit libraries for 9157 // such packages. 9158 if (pkg.cpuAbiOverride != null 9159 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9160 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9161 } 9162 9163 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9164 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9165 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9166 if (extractLibs) { 9167 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9168 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9169 useIsaSpecificSubdirs); 9170 } else { 9171 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9172 } 9173 } 9174 9175 maybeThrowExceptionForMultiArchCopy( 9176 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9177 9178 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9179 if (extractLibs) { 9180 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9181 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9182 useIsaSpecificSubdirs); 9183 } else { 9184 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9185 } 9186 } 9187 9188 maybeThrowExceptionForMultiArchCopy( 9189 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9190 9191 if (abi64 >= 0) { 9192 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9193 } 9194 9195 if (abi32 >= 0) { 9196 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9197 if (abi64 >= 0) { 9198 if (pkg.use32bitAbi) { 9199 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9200 pkg.applicationInfo.primaryCpuAbi = abi; 9201 } else { 9202 pkg.applicationInfo.secondaryCpuAbi = abi; 9203 } 9204 } else { 9205 pkg.applicationInfo.primaryCpuAbi = abi; 9206 } 9207 } 9208 9209 } else { 9210 String[] abiList = (cpuAbiOverride != null) ? 9211 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9212 9213 // Enable gross and lame hacks for apps that are built with old 9214 // SDK tools. We must scan their APKs for renderscript bitcode and 9215 // not launch them if it's present. Don't bother checking on devices 9216 // that don't have 64 bit support. 9217 boolean needsRenderScriptOverride = false; 9218 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9219 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9220 abiList = Build.SUPPORTED_32_BIT_ABIS; 9221 needsRenderScriptOverride = true; 9222 } 9223 9224 final int copyRet; 9225 if (extractLibs) { 9226 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9227 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9228 } else { 9229 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9230 } 9231 9232 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9233 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9234 "Error unpackaging native libs for app, errorCode=" + copyRet); 9235 } 9236 9237 if (copyRet >= 0) { 9238 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9239 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9240 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9241 } else if (needsRenderScriptOverride) { 9242 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9243 } 9244 } 9245 } catch (IOException ioe) { 9246 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9247 } finally { 9248 IoUtils.closeQuietly(handle); 9249 } 9250 9251 // Now that we've calculated the ABIs and determined if it's an internal app, 9252 // we will go ahead and populate the nativeLibraryPath. 9253 setNativeLibraryPaths(pkg); 9254 } 9255 9256 /** 9257 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9258 * i.e, so that all packages can be run inside a single process if required. 9259 * 9260 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9261 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9262 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9263 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9264 * updating a package that belongs to a shared user. 9265 * 9266 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9267 * adds unnecessary complexity. 9268 */ 9269 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9270 PackageParser.Package scannedPackage, boolean bootComplete) { 9271 String requiredInstructionSet = null; 9272 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9273 requiredInstructionSet = VMRuntime.getInstructionSet( 9274 scannedPackage.applicationInfo.primaryCpuAbi); 9275 } 9276 9277 PackageSetting requirer = null; 9278 for (PackageSetting ps : packagesForUser) { 9279 // If packagesForUser contains scannedPackage, we skip it. This will happen 9280 // when scannedPackage is an update of an existing package. Without this check, 9281 // we will never be able to change the ABI of any package belonging to a shared 9282 // user, even if it's compatible with other packages. 9283 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9284 if (ps.primaryCpuAbiString == null) { 9285 continue; 9286 } 9287 9288 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9289 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9290 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9291 // this but there's not much we can do. 9292 String errorMessage = "Instruction set mismatch, " 9293 + ((requirer == null) ? "[caller]" : requirer) 9294 + " requires " + requiredInstructionSet + " whereas " + ps 9295 + " requires " + instructionSet; 9296 Slog.w(TAG, errorMessage); 9297 } 9298 9299 if (requiredInstructionSet == null) { 9300 requiredInstructionSet = instructionSet; 9301 requirer = ps; 9302 } 9303 } 9304 } 9305 9306 if (requiredInstructionSet != null) { 9307 String adjustedAbi; 9308 if (requirer != null) { 9309 // requirer != null implies that either scannedPackage was null or that scannedPackage 9310 // did not require an ABI, in which case we have to adjust scannedPackage to match 9311 // the ABI of the set (which is the same as requirer's ABI) 9312 adjustedAbi = requirer.primaryCpuAbiString; 9313 if (scannedPackage != null) { 9314 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9315 } 9316 } else { 9317 // requirer == null implies that we're updating all ABIs in the set to 9318 // match scannedPackage. 9319 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9320 } 9321 9322 for (PackageSetting ps : packagesForUser) { 9323 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9324 if (ps.primaryCpuAbiString != null) { 9325 continue; 9326 } 9327 9328 ps.primaryCpuAbiString = adjustedAbi; 9329 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9330 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9331 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9332 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9333 + " (requirer=" 9334 + (requirer == null ? "null" : requirer.pkg.packageName) 9335 + ", scannedPackage=" 9336 + (scannedPackage != null ? scannedPackage.packageName : "null") 9337 + ")"); 9338 try { 9339 mInstaller.rmdex(ps.codePathString, 9340 getDexCodeInstructionSet(getPreferredInstructionSet())); 9341 } catch (InstallerException ignored) { 9342 } 9343 } 9344 } 9345 } 9346 } 9347 } 9348 9349 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9350 synchronized (mPackages) { 9351 mResolverReplaced = true; 9352 // Set up information for custom user intent resolution activity. 9353 mResolveActivity.applicationInfo = pkg.applicationInfo; 9354 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9355 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9356 mResolveActivity.processName = pkg.applicationInfo.packageName; 9357 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9358 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9359 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9360 mResolveActivity.theme = 0; 9361 mResolveActivity.exported = true; 9362 mResolveActivity.enabled = true; 9363 mResolveInfo.activityInfo = mResolveActivity; 9364 mResolveInfo.priority = 0; 9365 mResolveInfo.preferredOrder = 0; 9366 mResolveInfo.match = 0; 9367 mResolveComponentName = mCustomResolverComponentName; 9368 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9369 mResolveComponentName); 9370 } 9371 } 9372 9373 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9374 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9375 9376 // Set up information for ephemeral installer activity 9377 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9378 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9379 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9380 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9381 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9382 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9383 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9384 mEphemeralInstallerActivity.theme = 0; 9385 mEphemeralInstallerActivity.exported = true; 9386 mEphemeralInstallerActivity.enabled = true; 9387 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9388 mEphemeralInstallerInfo.priority = 0; 9389 mEphemeralInstallerInfo.preferredOrder = 0; 9390 mEphemeralInstallerInfo.match = 0; 9391 9392 if (DEBUG_EPHEMERAL) { 9393 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9394 } 9395 } 9396 9397 private static String calculateBundledApkRoot(final String codePathString) { 9398 final File codePath = new File(codePathString); 9399 final File codeRoot; 9400 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9401 codeRoot = Environment.getRootDirectory(); 9402 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9403 codeRoot = Environment.getOemDirectory(); 9404 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9405 codeRoot = Environment.getVendorDirectory(); 9406 } else { 9407 // Unrecognized code path; take its top real segment as the apk root: 9408 // e.g. /something/app/blah.apk => /something 9409 try { 9410 File f = codePath.getCanonicalFile(); 9411 File parent = f.getParentFile(); // non-null because codePath is a file 9412 File tmp; 9413 while ((tmp = parent.getParentFile()) != null) { 9414 f = parent; 9415 parent = tmp; 9416 } 9417 codeRoot = f; 9418 Slog.w(TAG, "Unrecognized code path " 9419 + codePath + " - using " + codeRoot); 9420 } catch (IOException e) { 9421 // Can't canonicalize the code path -- shenanigans? 9422 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9423 return Environment.getRootDirectory().getPath(); 9424 } 9425 } 9426 return codeRoot.getPath(); 9427 } 9428 9429 /** 9430 * Derive and set the location of native libraries for the given package, 9431 * which varies depending on where and how the package was installed. 9432 */ 9433 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9434 final ApplicationInfo info = pkg.applicationInfo; 9435 final String codePath = pkg.codePath; 9436 final File codeFile = new File(codePath); 9437 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9438 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9439 9440 info.nativeLibraryRootDir = null; 9441 info.nativeLibraryRootRequiresIsa = false; 9442 info.nativeLibraryDir = null; 9443 info.secondaryNativeLibraryDir = null; 9444 9445 if (isApkFile(codeFile)) { 9446 // Monolithic install 9447 if (bundledApp) { 9448 // If "/system/lib64/apkname" exists, assume that is the per-package 9449 // native library directory to use; otherwise use "/system/lib/apkname". 9450 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9451 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9452 getPrimaryInstructionSet(info)); 9453 9454 // This is a bundled system app so choose the path based on the ABI. 9455 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9456 // is just the default path. 9457 final String apkName = deriveCodePathName(codePath); 9458 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9459 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9460 apkName).getAbsolutePath(); 9461 9462 if (info.secondaryCpuAbi != null) { 9463 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9464 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9465 secondaryLibDir, apkName).getAbsolutePath(); 9466 } 9467 } else if (asecApp) { 9468 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9469 .getAbsolutePath(); 9470 } else { 9471 final String apkName = deriveCodePathName(codePath); 9472 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9473 .getAbsolutePath(); 9474 } 9475 9476 info.nativeLibraryRootRequiresIsa = false; 9477 info.nativeLibraryDir = info.nativeLibraryRootDir; 9478 } else { 9479 // Cluster install 9480 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9481 info.nativeLibraryRootRequiresIsa = true; 9482 9483 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9484 getPrimaryInstructionSet(info)).getAbsolutePath(); 9485 9486 if (info.secondaryCpuAbi != null) { 9487 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9488 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9489 } 9490 } 9491 } 9492 9493 /** 9494 * Calculate the abis and roots for a bundled app. These can uniquely 9495 * be determined from the contents of the system partition, i.e whether 9496 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9497 * of this information, and instead assume that the system was built 9498 * sensibly. 9499 */ 9500 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9501 PackageSetting pkgSetting) { 9502 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9503 9504 // If "/system/lib64/apkname" exists, assume that is the per-package 9505 // native library directory to use; otherwise use "/system/lib/apkname". 9506 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9507 setBundledAppAbi(pkg, apkRoot, apkName); 9508 // pkgSetting might be null during rescan following uninstall of updates 9509 // to a bundled app, so accommodate that possibility. The settings in 9510 // that case will be established later from the parsed package. 9511 // 9512 // If the settings aren't null, sync them up with what we've just derived. 9513 // note that apkRoot isn't stored in the package settings. 9514 if (pkgSetting != null) { 9515 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9516 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9517 } 9518 } 9519 9520 /** 9521 * Deduces the ABI of a bundled app and sets the relevant fields on the 9522 * parsed pkg object. 9523 * 9524 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9525 * under which system libraries are installed. 9526 * @param apkName the name of the installed package. 9527 */ 9528 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9529 final File codeFile = new File(pkg.codePath); 9530 9531 final boolean has64BitLibs; 9532 final boolean has32BitLibs; 9533 if (isApkFile(codeFile)) { 9534 // Monolithic install 9535 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9536 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9537 } else { 9538 // Cluster install 9539 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9540 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9541 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9542 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9543 has64BitLibs = (new File(rootDir, isa)).exists(); 9544 } else { 9545 has64BitLibs = false; 9546 } 9547 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9548 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9549 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9550 has32BitLibs = (new File(rootDir, isa)).exists(); 9551 } else { 9552 has32BitLibs = false; 9553 } 9554 } 9555 9556 if (has64BitLibs && !has32BitLibs) { 9557 // The package has 64 bit libs, but not 32 bit libs. Its primary 9558 // ABI should be 64 bit. We can safely assume here that the bundled 9559 // native libraries correspond to the most preferred ABI in the list. 9560 9561 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9562 pkg.applicationInfo.secondaryCpuAbi = null; 9563 } else if (has32BitLibs && !has64BitLibs) { 9564 // The package has 32 bit libs but not 64 bit libs. Its primary 9565 // ABI should be 32 bit. 9566 9567 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9568 pkg.applicationInfo.secondaryCpuAbi = null; 9569 } else if (has32BitLibs && has64BitLibs) { 9570 // The application has both 64 and 32 bit bundled libraries. We check 9571 // here that the app declares multiArch support, and warn if it doesn't. 9572 // 9573 // We will be lenient here and record both ABIs. The primary will be the 9574 // ABI that's higher on the list, i.e, a device that's configured to prefer 9575 // 64 bit apps will see a 64 bit primary ABI, 9576 9577 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9578 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9579 } 9580 9581 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9582 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9583 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9584 } else { 9585 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9586 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9587 } 9588 } else { 9589 pkg.applicationInfo.primaryCpuAbi = null; 9590 pkg.applicationInfo.secondaryCpuAbi = null; 9591 } 9592 } 9593 9594 private void killApplication(String pkgName, int appId, String reason) { 9595 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9596 } 9597 9598 private void killApplication(String pkgName, int appId, int userId, String reason) { 9599 // Request the ActivityManager to kill the process(only for existing packages) 9600 // so that we do not end up in a confused state while the user is still using the older 9601 // version of the application while the new one gets installed. 9602 final long token = Binder.clearCallingIdentity(); 9603 try { 9604 IActivityManager am = ActivityManagerNative.getDefault(); 9605 if (am != null) { 9606 try { 9607 am.killApplication(pkgName, appId, userId, reason); 9608 } catch (RemoteException e) { 9609 } 9610 } 9611 } finally { 9612 Binder.restoreCallingIdentity(token); 9613 } 9614 } 9615 9616 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9617 // Remove the parent package setting 9618 PackageSetting ps = (PackageSetting) pkg.mExtras; 9619 if (ps != null) { 9620 removePackageLI(ps, chatty); 9621 } 9622 // Remove the child package setting 9623 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9624 for (int i = 0; i < childCount; i++) { 9625 PackageParser.Package childPkg = pkg.childPackages.get(i); 9626 ps = (PackageSetting) childPkg.mExtras; 9627 if (ps != null) { 9628 removePackageLI(ps, chatty); 9629 } 9630 } 9631 } 9632 9633 void removePackageLI(PackageSetting ps, boolean chatty) { 9634 if (DEBUG_INSTALL) { 9635 if (chatty) 9636 Log.d(TAG, "Removing package " + ps.name); 9637 } 9638 9639 // writer 9640 synchronized (mPackages) { 9641 mPackages.remove(ps.name); 9642 final PackageParser.Package pkg = ps.pkg; 9643 if (pkg != null) { 9644 cleanPackageDataStructuresLILPw(pkg, chatty); 9645 } 9646 } 9647 } 9648 9649 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9650 if (DEBUG_INSTALL) { 9651 if (chatty) 9652 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9653 } 9654 9655 // writer 9656 synchronized (mPackages) { 9657 // Remove the parent package 9658 mPackages.remove(pkg.applicationInfo.packageName); 9659 cleanPackageDataStructuresLILPw(pkg, chatty); 9660 9661 // Remove the child packages 9662 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9663 for (int i = 0; i < childCount; i++) { 9664 PackageParser.Package childPkg = pkg.childPackages.get(i); 9665 mPackages.remove(childPkg.applicationInfo.packageName); 9666 cleanPackageDataStructuresLILPw(childPkg, chatty); 9667 } 9668 } 9669 } 9670 9671 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9672 int N = pkg.providers.size(); 9673 StringBuilder r = null; 9674 int i; 9675 for (i=0; i<N; i++) { 9676 PackageParser.Provider p = pkg.providers.get(i); 9677 mProviders.removeProvider(p); 9678 if (p.info.authority == null) { 9679 9680 /* There was another ContentProvider with this authority when 9681 * this app was installed so this authority is null, 9682 * Ignore it as we don't have to unregister the provider. 9683 */ 9684 continue; 9685 } 9686 String names[] = p.info.authority.split(";"); 9687 for (int j = 0; j < names.length; j++) { 9688 if (mProvidersByAuthority.get(names[j]) == p) { 9689 mProvidersByAuthority.remove(names[j]); 9690 if (DEBUG_REMOVE) { 9691 if (chatty) 9692 Log.d(TAG, "Unregistered content provider: " + names[j] 9693 + ", className = " + p.info.name + ", isSyncable = " 9694 + p.info.isSyncable); 9695 } 9696 } 9697 } 9698 if (DEBUG_REMOVE && chatty) { 9699 if (r == null) { 9700 r = new StringBuilder(256); 9701 } else { 9702 r.append(' '); 9703 } 9704 r.append(p.info.name); 9705 } 9706 } 9707 if (r != null) { 9708 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9709 } 9710 9711 N = pkg.services.size(); 9712 r = null; 9713 for (i=0; i<N; i++) { 9714 PackageParser.Service s = pkg.services.get(i); 9715 mServices.removeService(s); 9716 if (chatty) { 9717 if (r == null) { 9718 r = new StringBuilder(256); 9719 } else { 9720 r.append(' '); 9721 } 9722 r.append(s.info.name); 9723 } 9724 } 9725 if (r != null) { 9726 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9727 } 9728 9729 N = pkg.receivers.size(); 9730 r = null; 9731 for (i=0; i<N; i++) { 9732 PackageParser.Activity a = pkg.receivers.get(i); 9733 mReceivers.removeActivity(a, "receiver"); 9734 if (DEBUG_REMOVE && chatty) { 9735 if (r == null) { 9736 r = new StringBuilder(256); 9737 } else { 9738 r.append(' '); 9739 } 9740 r.append(a.info.name); 9741 } 9742 } 9743 if (r != null) { 9744 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9745 } 9746 9747 N = pkg.activities.size(); 9748 r = null; 9749 for (i=0; i<N; i++) { 9750 PackageParser.Activity a = pkg.activities.get(i); 9751 mActivities.removeActivity(a, "activity"); 9752 if (DEBUG_REMOVE && chatty) { 9753 if (r == null) { 9754 r = new StringBuilder(256); 9755 } else { 9756 r.append(' '); 9757 } 9758 r.append(a.info.name); 9759 } 9760 } 9761 if (r != null) { 9762 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9763 } 9764 9765 N = pkg.permissions.size(); 9766 r = null; 9767 for (i=0; i<N; i++) { 9768 PackageParser.Permission p = pkg.permissions.get(i); 9769 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9770 if (bp == null) { 9771 bp = mSettings.mPermissionTrees.get(p.info.name); 9772 } 9773 if (bp != null && bp.perm == p) { 9774 bp.perm = null; 9775 if (DEBUG_REMOVE && chatty) { 9776 if (r == null) { 9777 r = new StringBuilder(256); 9778 } else { 9779 r.append(' '); 9780 } 9781 r.append(p.info.name); 9782 } 9783 } 9784 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9785 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9786 if (appOpPkgs != null) { 9787 appOpPkgs.remove(pkg.packageName); 9788 } 9789 } 9790 } 9791 if (r != null) { 9792 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9793 } 9794 9795 N = pkg.requestedPermissions.size(); 9796 r = null; 9797 for (i=0; i<N; i++) { 9798 String perm = pkg.requestedPermissions.get(i); 9799 BasePermission bp = mSettings.mPermissions.get(perm); 9800 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9801 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9802 if (appOpPkgs != null) { 9803 appOpPkgs.remove(pkg.packageName); 9804 if (appOpPkgs.isEmpty()) { 9805 mAppOpPermissionPackages.remove(perm); 9806 } 9807 } 9808 } 9809 } 9810 if (r != null) { 9811 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9812 } 9813 9814 N = pkg.instrumentation.size(); 9815 r = null; 9816 for (i=0; i<N; i++) { 9817 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9818 mInstrumentation.remove(a.getComponentName()); 9819 if (DEBUG_REMOVE && chatty) { 9820 if (r == null) { 9821 r = new StringBuilder(256); 9822 } else { 9823 r.append(' '); 9824 } 9825 r.append(a.info.name); 9826 } 9827 } 9828 if (r != null) { 9829 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9830 } 9831 9832 r = null; 9833 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9834 // Only system apps can hold shared libraries. 9835 if (pkg.libraryNames != null) { 9836 for (i=0; i<pkg.libraryNames.size(); i++) { 9837 String name = pkg.libraryNames.get(i); 9838 SharedLibraryEntry cur = mSharedLibraries.get(name); 9839 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9840 mSharedLibraries.remove(name); 9841 if (DEBUG_REMOVE && chatty) { 9842 if (r == null) { 9843 r = new StringBuilder(256); 9844 } else { 9845 r.append(' '); 9846 } 9847 r.append(name); 9848 } 9849 } 9850 } 9851 } 9852 } 9853 if (r != null) { 9854 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9855 } 9856 } 9857 9858 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9859 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9860 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9861 return true; 9862 } 9863 } 9864 return false; 9865 } 9866 9867 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9868 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9869 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9870 9871 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9872 // Update the parent permissions 9873 updatePermissionsLPw(pkg.packageName, pkg, flags); 9874 // Update the child permissions 9875 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9876 for (int i = 0; i < childCount; i++) { 9877 PackageParser.Package childPkg = pkg.childPackages.get(i); 9878 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9879 } 9880 } 9881 9882 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9883 int flags) { 9884 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9885 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9886 } 9887 9888 private void updatePermissionsLPw(String changingPkg, 9889 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9890 // Make sure there are no dangling permission trees. 9891 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9892 while (it.hasNext()) { 9893 final BasePermission bp = it.next(); 9894 if (bp.packageSetting == null) { 9895 // We may not yet have parsed the package, so just see if 9896 // we still know about its settings. 9897 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9898 } 9899 if (bp.packageSetting == null) { 9900 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9901 + " from package " + bp.sourcePackage); 9902 it.remove(); 9903 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9904 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9905 Slog.i(TAG, "Removing old permission tree: " + bp.name 9906 + " from package " + bp.sourcePackage); 9907 flags |= UPDATE_PERMISSIONS_ALL; 9908 it.remove(); 9909 } 9910 } 9911 } 9912 9913 // Make sure all dynamic permissions have been assigned to a package, 9914 // and make sure there are no dangling permissions. 9915 it = mSettings.mPermissions.values().iterator(); 9916 while (it.hasNext()) { 9917 final BasePermission bp = it.next(); 9918 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9919 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9920 + bp.name + " pkg=" + bp.sourcePackage 9921 + " info=" + bp.pendingInfo); 9922 if (bp.packageSetting == null && bp.pendingInfo != null) { 9923 final BasePermission tree = findPermissionTreeLP(bp.name); 9924 if (tree != null && tree.perm != null) { 9925 bp.packageSetting = tree.packageSetting; 9926 bp.perm = new PackageParser.Permission(tree.perm.owner, 9927 new PermissionInfo(bp.pendingInfo)); 9928 bp.perm.info.packageName = tree.perm.info.packageName; 9929 bp.perm.info.name = bp.name; 9930 bp.uid = tree.uid; 9931 } 9932 } 9933 } 9934 if (bp.packageSetting == null) { 9935 // We may not yet have parsed the package, so just see if 9936 // we still know about its settings. 9937 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9938 } 9939 if (bp.packageSetting == null) { 9940 Slog.w(TAG, "Removing dangling permission: " + bp.name 9941 + " from package " + bp.sourcePackage); 9942 it.remove(); 9943 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9944 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9945 Slog.i(TAG, "Removing old permission: " + bp.name 9946 + " from package " + bp.sourcePackage); 9947 flags |= UPDATE_PERMISSIONS_ALL; 9948 it.remove(); 9949 } 9950 } 9951 } 9952 9953 // Now update the permissions for all packages, in particular 9954 // replace the granted permissions of the system packages. 9955 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9956 for (PackageParser.Package pkg : mPackages.values()) { 9957 if (pkg != pkgInfo) { 9958 // Only replace for packages on requested volume 9959 final String volumeUuid = getVolumeUuidForPackage(pkg); 9960 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9961 && Objects.equals(replaceVolumeUuid, volumeUuid); 9962 grantPermissionsLPw(pkg, replace, changingPkg); 9963 } 9964 } 9965 } 9966 9967 if (pkgInfo != null) { 9968 // Only replace for packages on requested volume 9969 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9970 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9971 && Objects.equals(replaceVolumeUuid, volumeUuid); 9972 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9973 } 9974 } 9975 9976 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9977 String packageOfInterest) { 9978 // IMPORTANT: There are two types of permissions: install and runtime. 9979 // Install time permissions are granted when the app is installed to 9980 // all device users and users added in the future. Runtime permissions 9981 // are granted at runtime explicitly to specific users. Normal and signature 9982 // protected permissions are install time permissions. Dangerous permissions 9983 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9984 // otherwise they are runtime permissions. This function does not manage 9985 // runtime permissions except for the case an app targeting Lollipop MR1 9986 // being upgraded to target a newer SDK, in which case dangerous permissions 9987 // are transformed from install time to runtime ones. 9988 9989 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9990 if (ps == null) { 9991 return; 9992 } 9993 9994 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9995 9996 PermissionsState permissionsState = ps.getPermissionsState(); 9997 PermissionsState origPermissions = permissionsState; 9998 9999 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10000 10001 boolean runtimePermissionsRevoked = false; 10002 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10003 10004 boolean changedInstallPermission = false; 10005 10006 if (replace) { 10007 ps.installPermissionsFixed = false; 10008 if (!ps.isSharedUser()) { 10009 origPermissions = new PermissionsState(permissionsState); 10010 permissionsState.reset(); 10011 } else { 10012 // We need to know only about runtime permission changes since the 10013 // calling code always writes the install permissions state but 10014 // the runtime ones are written only if changed. The only cases of 10015 // changed runtime permissions here are promotion of an install to 10016 // runtime and revocation of a runtime from a shared user. 10017 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10018 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10019 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10020 runtimePermissionsRevoked = true; 10021 } 10022 } 10023 } 10024 10025 permissionsState.setGlobalGids(mGlobalGids); 10026 10027 final int N = pkg.requestedPermissions.size(); 10028 for (int i=0; i<N; i++) { 10029 final String name = pkg.requestedPermissions.get(i); 10030 final BasePermission bp = mSettings.mPermissions.get(name); 10031 10032 if (DEBUG_INSTALL) { 10033 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10034 } 10035 10036 if (bp == null || bp.packageSetting == null) { 10037 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10038 Slog.w(TAG, "Unknown permission " + name 10039 + " in package " + pkg.packageName); 10040 } 10041 continue; 10042 } 10043 10044 final String perm = bp.name; 10045 boolean allowedSig = false; 10046 int grant = GRANT_DENIED; 10047 10048 // Keep track of app op permissions. 10049 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10050 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10051 if (pkgs == null) { 10052 pkgs = new ArraySet<>(); 10053 mAppOpPermissionPackages.put(bp.name, pkgs); 10054 } 10055 pkgs.add(pkg.packageName); 10056 } 10057 10058 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10059 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10060 >= Build.VERSION_CODES.M; 10061 switch (level) { 10062 case PermissionInfo.PROTECTION_NORMAL: { 10063 // For all apps normal permissions are install time ones. 10064 grant = GRANT_INSTALL; 10065 } break; 10066 10067 case PermissionInfo.PROTECTION_DANGEROUS: { 10068 // If a permission review is required for legacy apps we represent 10069 // their permissions as always granted runtime ones since we need 10070 // to keep the review required permission flag per user while an 10071 // install permission's state is shared across all users. 10072 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10073 // For legacy apps dangerous permissions are install time ones. 10074 grant = GRANT_INSTALL; 10075 } else if (origPermissions.hasInstallPermission(bp.name)) { 10076 // For legacy apps that became modern, install becomes runtime. 10077 grant = GRANT_UPGRADE; 10078 } else if (mPromoteSystemApps 10079 && isSystemApp(ps) 10080 && mExistingSystemPackages.contains(ps.name)) { 10081 // For legacy system apps, install becomes runtime. 10082 // We cannot check hasInstallPermission() for system apps since those 10083 // permissions were granted implicitly and not persisted pre-M. 10084 grant = GRANT_UPGRADE; 10085 } else { 10086 // For modern apps keep runtime permissions unchanged. 10087 grant = GRANT_RUNTIME; 10088 } 10089 } break; 10090 10091 case PermissionInfo.PROTECTION_SIGNATURE: { 10092 // For all apps signature permissions are install time ones. 10093 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10094 if (allowedSig) { 10095 grant = GRANT_INSTALL; 10096 } 10097 } break; 10098 } 10099 10100 if (DEBUG_INSTALL) { 10101 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10102 } 10103 10104 if (grant != GRANT_DENIED) { 10105 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10106 // If this is an existing, non-system package, then 10107 // we can't add any new permissions to it. 10108 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10109 // Except... if this is a permission that was added 10110 // to the platform (note: need to only do this when 10111 // updating the platform). 10112 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10113 grant = GRANT_DENIED; 10114 } 10115 } 10116 } 10117 10118 switch (grant) { 10119 case GRANT_INSTALL: { 10120 // Revoke this as runtime permission to handle the case of 10121 // a runtime permission being downgraded to an install one. 10122 // Also in permission review mode we keep dangerous permissions 10123 // for legacy apps 10124 for (int userId : UserManagerService.getInstance().getUserIds()) { 10125 if (origPermissions.getRuntimePermissionState( 10126 bp.name, userId) != null) { 10127 // Revoke the runtime permission and clear the flags. 10128 origPermissions.revokeRuntimePermission(bp, userId); 10129 origPermissions.updatePermissionFlags(bp, userId, 10130 PackageManager.MASK_PERMISSION_FLAGS, 0); 10131 // If we revoked a permission permission, we have to write. 10132 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10133 changedRuntimePermissionUserIds, userId); 10134 } 10135 } 10136 // Grant an install permission. 10137 if (permissionsState.grantInstallPermission(bp) != 10138 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10139 changedInstallPermission = true; 10140 } 10141 } break; 10142 10143 case GRANT_RUNTIME: { 10144 // Grant previously granted runtime permissions. 10145 for (int userId : UserManagerService.getInstance().getUserIds()) { 10146 PermissionState permissionState = origPermissions 10147 .getRuntimePermissionState(bp.name, userId); 10148 int flags = permissionState != null 10149 ? permissionState.getFlags() : 0; 10150 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10151 if (permissionsState.grantRuntimePermission(bp, userId) == 10152 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10153 // If we cannot put the permission as it was, we have to write. 10154 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10155 changedRuntimePermissionUserIds, userId); 10156 } 10157 // If the app supports runtime permissions no need for a review. 10158 if (Build.PERMISSIONS_REVIEW_REQUIRED 10159 && appSupportsRuntimePermissions 10160 && (flags & PackageManager 10161 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10162 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10163 // Since we changed the flags, we have to write. 10164 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10165 changedRuntimePermissionUserIds, userId); 10166 } 10167 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10168 && !appSupportsRuntimePermissions) { 10169 // For legacy apps that need a permission review, every new 10170 // runtime permission is granted but it is pending a review. 10171 // We also need to review only platform defined runtime 10172 // permissions as these are the only ones the platform knows 10173 // how to disable the API to simulate revocation as legacy 10174 // apps don't expect to run with revoked permissions. 10175 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10176 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10177 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10178 // We changed the flags, hence have to write. 10179 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10180 changedRuntimePermissionUserIds, userId); 10181 } 10182 } 10183 if (permissionsState.grantRuntimePermission(bp, userId) 10184 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10185 // We changed the permission, hence have to write. 10186 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10187 changedRuntimePermissionUserIds, userId); 10188 } 10189 } 10190 // Propagate the permission flags. 10191 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10192 } 10193 } break; 10194 10195 case GRANT_UPGRADE: { 10196 // Grant runtime permissions for a previously held install permission. 10197 PermissionState permissionState = origPermissions 10198 .getInstallPermissionState(bp.name); 10199 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10200 10201 if (origPermissions.revokeInstallPermission(bp) 10202 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10203 // We will be transferring the permission flags, so clear them. 10204 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10205 PackageManager.MASK_PERMISSION_FLAGS, 0); 10206 changedInstallPermission = true; 10207 } 10208 10209 // If the permission is not to be promoted to runtime we ignore it and 10210 // also its other flags as they are not applicable to install permissions. 10211 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10212 for (int userId : currentUserIds) { 10213 if (permissionsState.grantRuntimePermission(bp, userId) != 10214 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10215 // Transfer the permission flags. 10216 permissionsState.updatePermissionFlags(bp, userId, 10217 flags, flags); 10218 // If we granted the permission, we have to write. 10219 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10220 changedRuntimePermissionUserIds, userId); 10221 } 10222 } 10223 } 10224 } break; 10225 10226 default: { 10227 if (packageOfInterest == null 10228 || packageOfInterest.equals(pkg.packageName)) { 10229 Slog.w(TAG, "Not granting permission " + perm 10230 + " to package " + pkg.packageName 10231 + " because it was previously installed without"); 10232 } 10233 } break; 10234 } 10235 } else { 10236 if (permissionsState.revokeInstallPermission(bp) != 10237 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10238 // Also drop the permission flags. 10239 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10240 PackageManager.MASK_PERMISSION_FLAGS, 0); 10241 changedInstallPermission = true; 10242 Slog.i(TAG, "Un-granting permission " + perm 10243 + " from package " + pkg.packageName 10244 + " (protectionLevel=" + bp.protectionLevel 10245 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10246 + ")"); 10247 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10248 // Don't print warning for app op permissions, since it is fine for them 10249 // not to be granted, there is a UI for the user to decide. 10250 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10251 Slog.w(TAG, "Not granting permission " + perm 10252 + " to package " + pkg.packageName 10253 + " (protectionLevel=" + bp.protectionLevel 10254 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10255 + ")"); 10256 } 10257 } 10258 } 10259 } 10260 10261 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10262 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10263 // This is the first that we have heard about this package, so the 10264 // permissions we have now selected are fixed until explicitly 10265 // changed. 10266 ps.installPermissionsFixed = true; 10267 } 10268 10269 // Persist the runtime permissions state for users with changes. If permissions 10270 // were revoked because no app in the shared user declares them we have to 10271 // write synchronously to avoid losing runtime permissions state. 10272 for (int userId : changedRuntimePermissionUserIds) { 10273 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10274 } 10275 10276 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10277 } 10278 10279 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10280 boolean allowed = false; 10281 final int NP = PackageParser.NEW_PERMISSIONS.length; 10282 for (int ip=0; ip<NP; ip++) { 10283 final PackageParser.NewPermissionInfo npi 10284 = PackageParser.NEW_PERMISSIONS[ip]; 10285 if (npi.name.equals(perm) 10286 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10287 allowed = true; 10288 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10289 + pkg.packageName); 10290 break; 10291 } 10292 } 10293 return allowed; 10294 } 10295 10296 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10297 BasePermission bp, PermissionsState origPermissions) { 10298 boolean allowed; 10299 allowed = (compareSignatures( 10300 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10301 == PackageManager.SIGNATURE_MATCH) 10302 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10303 == PackageManager.SIGNATURE_MATCH); 10304 if (!allowed && (bp.protectionLevel 10305 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10306 if (isSystemApp(pkg)) { 10307 // For updated system applications, a system permission 10308 // is granted only if it had been defined by the original application. 10309 if (pkg.isUpdatedSystemApp()) { 10310 final PackageSetting sysPs = mSettings 10311 .getDisabledSystemPkgLPr(pkg.packageName); 10312 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10313 // If the original was granted this permission, we take 10314 // that grant decision as read and propagate it to the 10315 // update. 10316 if (sysPs.isPrivileged()) { 10317 allowed = true; 10318 } 10319 } else { 10320 // The system apk may have been updated with an older 10321 // version of the one on the data partition, but which 10322 // granted a new system permission that it didn't have 10323 // before. In this case we do want to allow the app to 10324 // now get the new permission if the ancestral apk is 10325 // privileged to get it. 10326 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10327 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10328 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10329 allowed = true; 10330 break; 10331 } 10332 } 10333 } 10334 // Also if a privileged parent package on the system image or any of 10335 // its children requested a privileged permission, the updated child 10336 // packages can also get the permission. 10337 if (pkg.parentPackage != null) { 10338 final PackageSetting disabledSysParentPs = mSettings 10339 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10340 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10341 && disabledSysParentPs.isPrivileged()) { 10342 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10343 allowed = true; 10344 } else if (disabledSysParentPs.pkg.childPackages != null) { 10345 final int count = disabledSysParentPs.pkg.childPackages.size(); 10346 for (int i = 0; i < count; i++) { 10347 PackageParser.Package disabledSysChildPkg = 10348 disabledSysParentPs.pkg.childPackages.get(i); 10349 if (isPackageRequestingPermission(disabledSysChildPkg, 10350 perm)) { 10351 allowed = true; 10352 break; 10353 } 10354 } 10355 } 10356 } 10357 } 10358 } 10359 } else { 10360 allowed = isPrivilegedApp(pkg); 10361 } 10362 } 10363 } 10364 if (!allowed) { 10365 if (!allowed && (bp.protectionLevel 10366 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10367 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10368 // If this was a previously normal/dangerous permission that got moved 10369 // to a system permission as part of the runtime permission redesign, then 10370 // we still want to blindly grant it to old apps. 10371 allowed = true; 10372 } 10373 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10374 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10375 // If this permission is to be granted to the system installer and 10376 // this app is an installer, then it gets the permission. 10377 allowed = true; 10378 } 10379 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10380 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10381 // If this permission is to be granted to the system verifier and 10382 // this app is a verifier, then it gets the permission. 10383 allowed = true; 10384 } 10385 if (!allowed && (bp.protectionLevel 10386 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10387 && isSystemApp(pkg)) { 10388 // Any pre-installed system app is allowed to get this permission. 10389 allowed = true; 10390 } 10391 if (!allowed && (bp.protectionLevel 10392 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10393 // For development permissions, a development permission 10394 // is granted only if it was already granted. 10395 allowed = origPermissions.hasInstallPermission(perm); 10396 } 10397 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10398 && pkg.packageName.equals(mSetupWizardPackage)) { 10399 // If this permission is to be granted to the system setup wizard and 10400 // this app is a setup wizard, then it gets the permission. 10401 allowed = true; 10402 } 10403 } 10404 return allowed; 10405 } 10406 10407 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10408 final int permCount = pkg.requestedPermissions.size(); 10409 for (int j = 0; j < permCount; j++) { 10410 String requestedPermission = pkg.requestedPermissions.get(j); 10411 if (permission.equals(requestedPermission)) { 10412 return true; 10413 } 10414 } 10415 return false; 10416 } 10417 10418 final class ActivityIntentResolver 10419 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10420 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10421 boolean defaultOnly, int userId) { 10422 if (!sUserManager.exists(userId)) return null; 10423 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10424 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10425 } 10426 10427 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10428 int userId) { 10429 if (!sUserManager.exists(userId)) return null; 10430 mFlags = flags; 10431 return super.queryIntent(intent, resolvedType, 10432 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10433 } 10434 10435 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10436 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10437 if (!sUserManager.exists(userId)) return null; 10438 if (packageActivities == null) { 10439 return null; 10440 } 10441 mFlags = flags; 10442 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10443 final int N = packageActivities.size(); 10444 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10445 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10446 10447 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10448 for (int i = 0; i < N; ++i) { 10449 intentFilters = packageActivities.get(i).intents; 10450 if (intentFilters != null && intentFilters.size() > 0) { 10451 PackageParser.ActivityIntentInfo[] array = 10452 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10453 intentFilters.toArray(array); 10454 listCut.add(array); 10455 } 10456 } 10457 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10458 } 10459 10460 /** 10461 * Finds a privileged activity that matches the specified activity names. 10462 */ 10463 private PackageParser.Activity findMatchingActivity( 10464 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10465 for (PackageParser.Activity sysActivity : activityList) { 10466 if (sysActivity.info.name.equals(activityInfo.name)) { 10467 return sysActivity; 10468 } 10469 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10470 return sysActivity; 10471 } 10472 if (sysActivity.info.targetActivity != null) { 10473 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10474 return sysActivity; 10475 } 10476 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10477 return sysActivity; 10478 } 10479 } 10480 } 10481 return null; 10482 } 10483 10484 public class IterGenerator<E> { 10485 public Iterator<E> generate(ActivityIntentInfo info) { 10486 return null; 10487 } 10488 } 10489 10490 public class ActionIterGenerator extends IterGenerator<String> { 10491 @Override 10492 public Iterator<String> generate(ActivityIntentInfo info) { 10493 return info.actionsIterator(); 10494 } 10495 } 10496 10497 public class CategoriesIterGenerator extends IterGenerator<String> { 10498 @Override 10499 public Iterator<String> generate(ActivityIntentInfo info) { 10500 return info.categoriesIterator(); 10501 } 10502 } 10503 10504 public class SchemesIterGenerator extends IterGenerator<String> { 10505 @Override 10506 public Iterator<String> generate(ActivityIntentInfo info) { 10507 return info.schemesIterator(); 10508 } 10509 } 10510 10511 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10512 @Override 10513 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10514 return info.authoritiesIterator(); 10515 } 10516 } 10517 10518 /** 10519 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10520 * MODIFIED. Do not pass in a list that should not be changed. 10521 */ 10522 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10523 IterGenerator<T> generator, Iterator<T> searchIterator) { 10524 // loop through the set of actions; every one must be found in the intent filter 10525 while (searchIterator.hasNext()) { 10526 // we must have at least one filter in the list to consider a match 10527 if (intentList.size() == 0) { 10528 break; 10529 } 10530 10531 final T searchAction = searchIterator.next(); 10532 10533 // loop through the set of intent filters 10534 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10535 while (intentIter.hasNext()) { 10536 final ActivityIntentInfo intentInfo = intentIter.next(); 10537 boolean selectionFound = false; 10538 10539 // loop through the intent filter's selection criteria; at least one 10540 // of them must match the searched criteria 10541 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10542 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10543 final T intentSelection = intentSelectionIter.next(); 10544 if (intentSelection != null && intentSelection.equals(searchAction)) { 10545 selectionFound = true; 10546 break; 10547 } 10548 } 10549 10550 // the selection criteria wasn't found in this filter's set; this filter 10551 // is not a potential match 10552 if (!selectionFound) { 10553 intentIter.remove(); 10554 } 10555 } 10556 } 10557 } 10558 10559 private boolean isProtectedAction(ActivityIntentInfo filter) { 10560 final Iterator<String> actionsIter = filter.actionsIterator(); 10561 while (actionsIter != null && actionsIter.hasNext()) { 10562 final String filterAction = actionsIter.next(); 10563 if (PROTECTED_ACTIONS.contains(filterAction)) { 10564 return true; 10565 } 10566 } 10567 return false; 10568 } 10569 10570 /** 10571 * Adjusts the priority of the given intent filter according to policy. 10572 * <p> 10573 * <ul> 10574 * <li>The priority for non privileged applications is capped to '0'</li> 10575 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10576 * <li>The priority for unbundled updates to privileged applications is capped to the 10577 * priority defined on the system partition</li> 10578 * </ul> 10579 * <p> 10580 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10581 * allowed to obtain any priority on any action. 10582 */ 10583 private void adjustPriority( 10584 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10585 // nothing to do; priority is fine as-is 10586 if (intent.getPriority() <= 0) { 10587 return; 10588 } 10589 10590 final ActivityInfo activityInfo = intent.activity.info; 10591 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10592 10593 final boolean privilegedApp = 10594 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10595 if (!privilegedApp) { 10596 // non-privileged applications can never define a priority >0 10597 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10598 + " package: " + applicationInfo.packageName 10599 + " activity: " + intent.activity.className 10600 + " origPrio: " + intent.getPriority()); 10601 intent.setPriority(0); 10602 return; 10603 } 10604 10605 if (systemActivities == null) { 10606 // the system package is not disabled; we're parsing the system partition 10607 if (isProtectedAction(intent)) { 10608 if (mDeferProtectedFilters) { 10609 // We can't deal with these just yet. No component should ever obtain a 10610 // >0 priority for a protected actions, with ONE exception -- the setup 10611 // wizard. The setup wizard, however, cannot be known until we're able to 10612 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10613 // until all intent filters have been processed. Chicken, meet egg. 10614 // Let the filter temporarily have a high priority and rectify the 10615 // priorities after all system packages have been scanned. 10616 mProtectedFilters.add(intent); 10617 if (DEBUG_FILTERS) { 10618 Slog.i(TAG, "Protected action; save for later;" 10619 + " package: " + applicationInfo.packageName 10620 + " activity: " + intent.activity.className 10621 + " origPrio: " + intent.getPriority()); 10622 } 10623 return; 10624 } else { 10625 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10626 Slog.i(TAG, "No setup wizard;" 10627 + " All protected intents capped to priority 0"); 10628 } 10629 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10630 if (DEBUG_FILTERS) { 10631 Slog.i(TAG, "Found setup wizard;" 10632 + " allow priority " + intent.getPriority() + ";" 10633 + " package: " + intent.activity.info.packageName 10634 + " activity: " + intent.activity.className 10635 + " priority: " + intent.getPriority()); 10636 } 10637 // setup wizard gets whatever it wants 10638 return; 10639 } 10640 Slog.w(TAG, "Protected action; cap priority to 0;" 10641 + " package: " + intent.activity.info.packageName 10642 + " activity: " + intent.activity.className 10643 + " origPrio: " + intent.getPriority()); 10644 intent.setPriority(0); 10645 return; 10646 } 10647 } 10648 // privileged apps on the system image get whatever priority they request 10649 return; 10650 } 10651 10652 // privileged app unbundled update ... try to find the same activity 10653 final PackageParser.Activity foundActivity = 10654 findMatchingActivity(systemActivities, activityInfo); 10655 if (foundActivity == null) { 10656 // this is a new activity; it cannot obtain >0 priority 10657 if (DEBUG_FILTERS) { 10658 Slog.i(TAG, "New activity; cap priority to 0;" 10659 + " package: " + applicationInfo.packageName 10660 + " activity: " + intent.activity.className 10661 + " origPrio: " + intent.getPriority()); 10662 } 10663 intent.setPriority(0); 10664 return; 10665 } 10666 10667 // found activity, now check for filter equivalence 10668 10669 // a shallow copy is enough; we modify the list, not its contents 10670 final List<ActivityIntentInfo> intentListCopy = 10671 new ArrayList<>(foundActivity.intents); 10672 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10673 10674 // find matching action subsets 10675 final Iterator<String> actionsIterator = intent.actionsIterator(); 10676 if (actionsIterator != null) { 10677 getIntentListSubset( 10678 intentListCopy, new ActionIterGenerator(), actionsIterator); 10679 if (intentListCopy.size() == 0) { 10680 // no more intents to match; we're not equivalent 10681 if (DEBUG_FILTERS) { 10682 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10683 + " package: " + applicationInfo.packageName 10684 + " activity: " + intent.activity.className 10685 + " origPrio: " + intent.getPriority()); 10686 } 10687 intent.setPriority(0); 10688 return; 10689 } 10690 } 10691 10692 // find matching category subsets 10693 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10694 if (categoriesIterator != null) { 10695 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10696 categoriesIterator); 10697 if (intentListCopy.size() == 0) { 10698 // no more intents to match; we're not equivalent 10699 if (DEBUG_FILTERS) { 10700 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10701 + " package: " + applicationInfo.packageName 10702 + " activity: " + intent.activity.className 10703 + " origPrio: " + intent.getPriority()); 10704 } 10705 intent.setPriority(0); 10706 return; 10707 } 10708 } 10709 10710 // find matching schemes subsets 10711 final Iterator<String> schemesIterator = intent.schemesIterator(); 10712 if (schemesIterator != null) { 10713 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10714 schemesIterator); 10715 if (intentListCopy.size() == 0) { 10716 // no more intents to match; we're not equivalent 10717 if (DEBUG_FILTERS) { 10718 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10719 + " package: " + applicationInfo.packageName 10720 + " activity: " + intent.activity.className 10721 + " origPrio: " + intent.getPriority()); 10722 } 10723 intent.setPriority(0); 10724 return; 10725 } 10726 } 10727 10728 // find matching authorities subsets 10729 final Iterator<IntentFilter.AuthorityEntry> 10730 authoritiesIterator = intent.authoritiesIterator(); 10731 if (authoritiesIterator != null) { 10732 getIntentListSubset(intentListCopy, 10733 new AuthoritiesIterGenerator(), 10734 authoritiesIterator); 10735 if (intentListCopy.size() == 0) { 10736 // no more intents to match; we're not equivalent 10737 if (DEBUG_FILTERS) { 10738 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10739 + " package: " + applicationInfo.packageName 10740 + " activity: " + intent.activity.className 10741 + " origPrio: " + intent.getPriority()); 10742 } 10743 intent.setPriority(0); 10744 return; 10745 } 10746 } 10747 10748 // we found matching filter(s); app gets the max priority of all intents 10749 int cappedPriority = 0; 10750 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10751 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10752 } 10753 if (intent.getPriority() > cappedPriority) { 10754 if (DEBUG_FILTERS) { 10755 Slog.i(TAG, "Found matching filter(s);" 10756 + " cap priority to " + cappedPriority + ";" 10757 + " package: " + applicationInfo.packageName 10758 + " activity: " + intent.activity.className 10759 + " origPrio: " + intent.getPriority()); 10760 } 10761 intent.setPriority(cappedPriority); 10762 return; 10763 } 10764 // all this for nothing; the requested priority was <= what was on the system 10765 } 10766 10767 public final void addActivity(PackageParser.Activity a, String type) { 10768 mActivities.put(a.getComponentName(), a); 10769 if (DEBUG_SHOW_INFO) 10770 Log.v( 10771 TAG, " " + type + " " + 10772 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10773 if (DEBUG_SHOW_INFO) 10774 Log.v(TAG, " Class=" + a.info.name); 10775 final int NI = a.intents.size(); 10776 for (int j=0; j<NI; j++) { 10777 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10778 if ("activity".equals(type)) { 10779 final PackageSetting ps = 10780 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10781 final List<PackageParser.Activity> systemActivities = 10782 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10783 adjustPriority(systemActivities, intent); 10784 } 10785 if (DEBUG_SHOW_INFO) { 10786 Log.v(TAG, " IntentFilter:"); 10787 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10788 } 10789 if (!intent.debugCheck()) { 10790 Log.w(TAG, "==> For Activity " + a.info.name); 10791 } 10792 addFilter(intent); 10793 } 10794 } 10795 10796 public final void removeActivity(PackageParser.Activity a, String type) { 10797 mActivities.remove(a.getComponentName()); 10798 if (DEBUG_SHOW_INFO) { 10799 Log.v(TAG, " " + type + " " 10800 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10801 : a.info.name) + ":"); 10802 Log.v(TAG, " Class=" + a.info.name); 10803 } 10804 final int NI = a.intents.size(); 10805 for (int j=0; j<NI; j++) { 10806 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10807 if (DEBUG_SHOW_INFO) { 10808 Log.v(TAG, " IntentFilter:"); 10809 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10810 } 10811 removeFilter(intent); 10812 } 10813 } 10814 10815 @Override 10816 protected boolean allowFilterResult( 10817 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10818 ActivityInfo filterAi = filter.activity.info; 10819 for (int i=dest.size()-1; i>=0; i--) { 10820 ActivityInfo destAi = dest.get(i).activityInfo; 10821 if (destAi.name == filterAi.name 10822 && destAi.packageName == filterAi.packageName) { 10823 return false; 10824 } 10825 } 10826 return true; 10827 } 10828 10829 @Override 10830 protected ActivityIntentInfo[] newArray(int size) { 10831 return new ActivityIntentInfo[size]; 10832 } 10833 10834 @Override 10835 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10836 if (!sUserManager.exists(userId)) return true; 10837 PackageParser.Package p = filter.activity.owner; 10838 if (p != null) { 10839 PackageSetting ps = (PackageSetting)p.mExtras; 10840 if (ps != null) { 10841 // System apps are never considered stopped for purposes of 10842 // filtering, because there may be no way for the user to 10843 // actually re-launch them. 10844 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10845 && ps.getStopped(userId); 10846 } 10847 } 10848 return false; 10849 } 10850 10851 @Override 10852 protected boolean isPackageForFilter(String packageName, 10853 PackageParser.ActivityIntentInfo info) { 10854 return packageName.equals(info.activity.owner.packageName); 10855 } 10856 10857 @Override 10858 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10859 int match, int userId) { 10860 if (!sUserManager.exists(userId)) return null; 10861 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10862 return null; 10863 } 10864 final PackageParser.Activity activity = info.activity; 10865 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10866 if (ps == null) { 10867 return null; 10868 } 10869 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10870 ps.readUserState(userId), userId); 10871 if (ai == null) { 10872 return null; 10873 } 10874 final ResolveInfo res = new ResolveInfo(); 10875 res.activityInfo = ai; 10876 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10877 res.filter = info; 10878 } 10879 if (info != null) { 10880 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10881 } 10882 res.priority = info.getPriority(); 10883 res.preferredOrder = activity.owner.mPreferredOrder; 10884 //System.out.println("Result: " + res.activityInfo.className + 10885 // " = " + res.priority); 10886 res.match = match; 10887 res.isDefault = info.hasDefault; 10888 res.labelRes = info.labelRes; 10889 res.nonLocalizedLabel = info.nonLocalizedLabel; 10890 if (userNeedsBadging(userId)) { 10891 res.noResourceId = true; 10892 } else { 10893 res.icon = info.icon; 10894 } 10895 res.iconResourceId = info.icon; 10896 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10897 return res; 10898 } 10899 10900 @Override 10901 protected void sortResults(List<ResolveInfo> results) { 10902 Collections.sort(results, mResolvePrioritySorter); 10903 } 10904 10905 @Override 10906 protected void dumpFilter(PrintWriter out, String prefix, 10907 PackageParser.ActivityIntentInfo filter) { 10908 out.print(prefix); out.print( 10909 Integer.toHexString(System.identityHashCode(filter.activity))); 10910 out.print(' '); 10911 filter.activity.printComponentShortName(out); 10912 out.print(" filter "); 10913 out.println(Integer.toHexString(System.identityHashCode(filter))); 10914 } 10915 10916 @Override 10917 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10918 return filter.activity; 10919 } 10920 10921 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10922 PackageParser.Activity activity = (PackageParser.Activity)label; 10923 out.print(prefix); out.print( 10924 Integer.toHexString(System.identityHashCode(activity))); 10925 out.print(' '); 10926 activity.printComponentShortName(out); 10927 if (count > 1) { 10928 out.print(" ("); out.print(count); out.print(" filters)"); 10929 } 10930 out.println(); 10931 } 10932 10933 // Keys are String (activity class name), values are Activity. 10934 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10935 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10936 private int mFlags; 10937 } 10938 10939 private final class ServiceIntentResolver 10940 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10941 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10942 boolean defaultOnly, int userId) { 10943 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10944 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10945 } 10946 10947 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10948 int userId) { 10949 if (!sUserManager.exists(userId)) return null; 10950 mFlags = flags; 10951 return super.queryIntent(intent, resolvedType, 10952 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10953 } 10954 10955 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10956 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10957 if (!sUserManager.exists(userId)) return null; 10958 if (packageServices == null) { 10959 return null; 10960 } 10961 mFlags = flags; 10962 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10963 final int N = packageServices.size(); 10964 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10965 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10966 10967 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10968 for (int i = 0; i < N; ++i) { 10969 intentFilters = packageServices.get(i).intents; 10970 if (intentFilters != null && intentFilters.size() > 0) { 10971 PackageParser.ServiceIntentInfo[] array = 10972 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10973 intentFilters.toArray(array); 10974 listCut.add(array); 10975 } 10976 } 10977 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10978 } 10979 10980 public final void addService(PackageParser.Service s) { 10981 mServices.put(s.getComponentName(), s); 10982 if (DEBUG_SHOW_INFO) { 10983 Log.v(TAG, " " 10984 + (s.info.nonLocalizedLabel != null 10985 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10986 Log.v(TAG, " Class=" + s.info.name); 10987 } 10988 final int NI = s.intents.size(); 10989 int j; 10990 for (j=0; j<NI; j++) { 10991 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10992 if (DEBUG_SHOW_INFO) { 10993 Log.v(TAG, " IntentFilter:"); 10994 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10995 } 10996 if (!intent.debugCheck()) { 10997 Log.w(TAG, "==> For Service " + s.info.name); 10998 } 10999 addFilter(intent); 11000 } 11001 } 11002 11003 public final void removeService(PackageParser.Service s) { 11004 mServices.remove(s.getComponentName()); 11005 if (DEBUG_SHOW_INFO) { 11006 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11007 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11008 Log.v(TAG, " Class=" + s.info.name); 11009 } 11010 final int NI = s.intents.size(); 11011 int j; 11012 for (j=0; j<NI; j++) { 11013 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11014 if (DEBUG_SHOW_INFO) { 11015 Log.v(TAG, " IntentFilter:"); 11016 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11017 } 11018 removeFilter(intent); 11019 } 11020 } 11021 11022 @Override 11023 protected boolean allowFilterResult( 11024 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11025 ServiceInfo filterSi = filter.service.info; 11026 for (int i=dest.size()-1; i>=0; i--) { 11027 ServiceInfo destAi = dest.get(i).serviceInfo; 11028 if (destAi.name == filterSi.name 11029 && destAi.packageName == filterSi.packageName) { 11030 return false; 11031 } 11032 } 11033 return true; 11034 } 11035 11036 @Override 11037 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11038 return new PackageParser.ServiceIntentInfo[size]; 11039 } 11040 11041 @Override 11042 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11043 if (!sUserManager.exists(userId)) return true; 11044 PackageParser.Package p = filter.service.owner; 11045 if (p != null) { 11046 PackageSetting ps = (PackageSetting)p.mExtras; 11047 if (ps != null) { 11048 // System apps are never considered stopped for purposes of 11049 // filtering, because there may be no way for the user to 11050 // actually re-launch them. 11051 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11052 && ps.getStopped(userId); 11053 } 11054 } 11055 return false; 11056 } 11057 11058 @Override 11059 protected boolean isPackageForFilter(String packageName, 11060 PackageParser.ServiceIntentInfo info) { 11061 return packageName.equals(info.service.owner.packageName); 11062 } 11063 11064 @Override 11065 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11066 int match, int userId) { 11067 if (!sUserManager.exists(userId)) return null; 11068 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11069 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11070 return null; 11071 } 11072 final PackageParser.Service service = info.service; 11073 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11074 if (ps == null) { 11075 return null; 11076 } 11077 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11078 ps.readUserState(userId), userId); 11079 if (si == null) { 11080 return null; 11081 } 11082 final ResolveInfo res = new ResolveInfo(); 11083 res.serviceInfo = si; 11084 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11085 res.filter = filter; 11086 } 11087 res.priority = info.getPriority(); 11088 res.preferredOrder = service.owner.mPreferredOrder; 11089 res.match = match; 11090 res.isDefault = info.hasDefault; 11091 res.labelRes = info.labelRes; 11092 res.nonLocalizedLabel = info.nonLocalizedLabel; 11093 res.icon = info.icon; 11094 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11095 return res; 11096 } 11097 11098 @Override 11099 protected void sortResults(List<ResolveInfo> results) { 11100 Collections.sort(results, mResolvePrioritySorter); 11101 } 11102 11103 @Override 11104 protected void dumpFilter(PrintWriter out, String prefix, 11105 PackageParser.ServiceIntentInfo filter) { 11106 out.print(prefix); out.print( 11107 Integer.toHexString(System.identityHashCode(filter.service))); 11108 out.print(' '); 11109 filter.service.printComponentShortName(out); 11110 out.print(" filter "); 11111 out.println(Integer.toHexString(System.identityHashCode(filter))); 11112 } 11113 11114 @Override 11115 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11116 return filter.service; 11117 } 11118 11119 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11120 PackageParser.Service service = (PackageParser.Service)label; 11121 out.print(prefix); out.print( 11122 Integer.toHexString(System.identityHashCode(service))); 11123 out.print(' '); 11124 service.printComponentShortName(out); 11125 if (count > 1) { 11126 out.print(" ("); out.print(count); out.print(" filters)"); 11127 } 11128 out.println(); 11129 } 11130 11131// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11132// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11133// final List<ResolveInfo> retList = Lists.newArrayList(); 11134// while (i.hasNext()) { 11135// final ResolveInfo resolveInfo = (ResolveInfo) i; 11136// if (isEnabledLP(resolveInfo.serviceInfo)) { 11137// retList.add(resolveInfo); 11138// } 11139// } 11140// return retList; 11141// } 11142 11143 // Keys are String (activity class name), values are Activity. 11144 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11145 = new ArrayMap<ComponentName, PackageParser.Service>(); 11146 private int mFlags; 11147 }; 11148 11149 private final class ProviderIntentResolver 11150 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11151 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11152 boolean defaultOnly, int userId) { 11153 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11154 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11155 } 11156 11157 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11158 int userId) { 11159 if (!sUserManager.exists(userId)) 11160 return null; 11161 mFlags = flags; 11162 return super.queryIntent(intent, resolvedType, 11163 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11164 } 11165 11166 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11167 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11168 if (!sUserManager.exists(userId)) 11169 return null; 11170 if (packageProviders == null) { 11171 return null; 11172 } 11173 mFlags = flags; 11174 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11175 final int N = packageProviders.size(); 11176 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11177 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11178 11179 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11180 for (int i = 0; i < N; ++i) { 11181 intentFilters = packageProviders.get(i).intents; 11182 if (intentFilters != null && intentFilters.size() > 0) { 11183 PackageParser.ProviderIntentInfo[] array = 11184 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11185 intentFilters.toArray(array); 11186 listCut.add(array); 11187 } 11188 } 11189 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11190 } 11191 11192 public final void addProvider(PackageParser.Provider p) { 11193 if (mProviders.containsKey(p.getComponentName())) { 11194 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11195 return; 11196 } 11197 11198 mProviders.put(p.getComponentName(), p); 11199 if (DEBUG_SHOW_INFO) { 11200 Log.v(TAG, " " 11201 + (p.info.nonLocalizedLabel != null 11202 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11203 Log.v(TAG, " Class=" + p.info.name); 11204 } 11205 final int NI = p.intents.size(); 11206 int j; 11207 for (j = 0; j < NI; j++) { 11208 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11209 if (DEBUG_SHOW_INFO) { 11210 Log.v(TAG, " IntentFilter:"); 11211 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11212 } 11213 if (!intent.debugCheck()) { 11214 Log.w(TAG, "==> For Provider " + p.info.name); 11215 } 11216 addFilter(intent); 11217 } 11218 } 11219 11220 public final void removeProvider(PackageParser.Provider p) { 11221 mProviders.remove(p.getComponentName()); 11222 if (DEBUG_SHOW_INFO) { 11223 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11224 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11225 Log.v(TAG, " Class=" + p.info.name); 11226 } 11227 final int NI = p.intents.size(); 11228 int j; 11229 for (j = 0; j < NI; j++) { 11230 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11231 if (DEBUG_SHOW_INFO) { 11232 Log.v(TAG, " IntentFilter:"); 11233 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11234 } 11235 removeFilter(intent); 11236 } 11237 } 11238 11239 @Override 11240 protected boolean allowFilterResult( 11241 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11242 ProviderInfo filterPi = filter.provider.info; 11243 for (int i = dest.size() - 1; i >= 0; i--) { 11244 ProviderInfo destPi = dest.get(i).providerInfo; 11245 if (destPi.name == filterPi.name 11246 && destPi.packageName == filterPi.packageName) { 11247 return false; 11248 } 11249 } 11250 return true; 11251 } 11252 11253 @Override 11254 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11255 return new PackageParser.ProviderIntentInfo[size]; 11256 } 11257 11258 @Override 11259 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11260 if (!sUserManager.exists(userId)) 11261 return true; 11262 PackageParser.Package p = filter.provider.owner; 11263 if (p != null) { 11264 PackageSetting ps = (PackageSetting) p.mExtras; 11265 if (ps != null) { 11266 // System apps are never considered stopped for purposes of 11267 // filtering, because there may be no way for the user to 11268 // actually re-launch them. 11269 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11270 && ps.getStopped(userId); 11271 } 11272 } 11273 return false; 11274 } 11275 11276 @Override 11277 protected boolean isPackageForFilter(String packageName, 11278 PackageParser.ProviderIntentInfo info) { 11279 return packageName.equals(info.provider.owner.packageName); 11280 } 11281 11282 @Override 11283 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11284 int match, int userId) { 11285 if (!sUserManager.exists(userId)) 11286 return null; 11287 final PackageParser.ProviderIntentInfo info = filter; 11288 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11289 return null; 11290 } 11291 final PackageParser.Provider provider = info.provider; 11292 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11293 if (ps == null) { 11294 return null; 11295 } 11296 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11297 ps.readUserState(userId), userId); 11298 if (pi == null) { 11299 return null; 11300 } 11301 final ResolveInfo res = new ResolveInfo(); 11302 res.providerInfo = pi; 11303 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11304 res.filter = filter; 11305 } 11306 res.priority = info.getPriority(); 11307 res.preferredOrder = provider.owner.mPreferredOrder; 11308 res.match = match; 11309 res.isDefault = info.hasDefault; 11310 res.labelRes = info.labelRes; 11311 res.nonLocalizedLabel = info.nonLocalizedLabel; 11312 res.icon = info.icon; 11313 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11314 return res; 11315 } 11316 11317 @Override 11318 protected void sortResults(List<ResolveInfo> results) { 11319 Collections.sort(results, mResolvePrioritySorter); 11320 } 11321 11322 @Override 11323 protected void dumpFilter(PrintWriter out, String prefix, 11324 PackageParser.ProviderIntentInfo filter) { 11325 out.print(prefix); 11326 out.print( 11327 Integer.toHexString(System.identityHashCode(filter.provider))); 11328 out.print(' '); 11329 filter.provider.printComponentShortName(out); 11330 out.print(" filter "); 11331 out.println(Integer.toHexString(System.identityHashCode(filter))); 11332 } 11333 11334 @Override 11335 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11336 return filter.provider; 11337 } 11338 11339 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11340 PackageParser.Provider provider = (PackageParser.Provider)label; 11341 out.print(prefix); out.print( 11342 Integer.toHexString(System.identityHashCode(provider))); 11343 out.print(' '); 11344 provider.printComponentShortName(out); 11345 if (count > 1) { 11346 out.print(" ("); out.print(count); out.print(" filters)"); 11347 } 11348 out.println(); 11349 } 11350 11351 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11352 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11353 private int mFlags; 11354 } 11355 11356 private static final class EphemeralIntentResolver 11357 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11358 @Override 11359 protected EphemeralResolveIntentInfo[] newArray(int size) { 11360 return new EphemeralResolveIntentInfo[size]; 11361 } 11362 11363 @Override 11364 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11365 return true; 11366 } 11367 11368 @Override 11369 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11370 int userId) { 11371 if (!sUserManager.exists(userId)) { 11372 return null; 11373 } 11374 return info.getEphemeralResolveInfo(); 11375 } 11376 } 11377 11378 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11379 new Comparator<ResolveInfo>() { 11380 public int compare(ResolveInfo r1, ResolveInfo r2) { 11381 int v1 = r1.priority; 11382 int v2 = r2.priority; 11383 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11384 if (v1 != v2) { 11385 return (v1 > v2) ? -1 : 1; 11386 } 11387 v1 = r1.preferredOrder; 11388 v2 = r2.preferredOrder; 11389 if (v1 != v2) { 11390 return (v1 > v2) ? -1 : 1; 11391 } 11392 if (r1.isDefault != r2.isDefault) { 11393 return r1.isDefault ? -1 : 1; 11394 } 11395 v1 = r1.match; 11396 v2 = r2.match; 11397 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11398 if (v1 != v2) { 11399 return (v1 > v2) ? -1 : 1; 11400 } 11401 if (r1.system != r2.system) { 11402 return r1.system ? -1 : 1; 11403 } 11404 if (r1.activityInfo != null) { 11405 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11406 } 11407 if (r1.serviceInfo != null) { 11408 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11409 } 11410 if (r1.providerInfo != null) { 11411 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11412 } 11413 return 0; 11414 } 11415 }; 11416 11417 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11418 new Comparator<ProviderInfo>() { 11419 public int compare(ProviderInfo p1, ProviderInfo p2) { 11420 final int v1 = p1.initOrder; 11421 final int v2 = p2.initOrder; 11422 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11423 } 11424 }; 11425 11426 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11427 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11428 final int[] userIds) { 11429 mHandler.post(new Runnable() { 11430 @Override 11431 public void run() { 11432 try { 11433 final IActivityManager am = ActivityManagerNative.getDefault(); 11434 if (am == null) return; 11435 final int[] resolvedUserIds; 11436 if (userIds == null) { 11437 resolvedUserIds = am.getRunningUserIds(); 11438 } else { 11439 resolvedUserIds = userIds; 11440 } 11441 for (int id : resolvedUserIds) { 11442 final Intent intent = new Intent(action, 11443 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11444 if (extras != null) { 11445 intent.putExtras(extras); 11446 } 11447 if (targetPkg != null) { 11448 intent.setPackage(targetPkg); 11449 } 11450 // Modify the UID when posting to other users 11451 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11452 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11453 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11454 intent.putExtra(Intent.EXTRA_UID, uid); 11455 } 11456 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11457 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11458 if (DEBUG_BROADCASTS) { 11459 RuntimeException here = new RuntimeException("here"); 11460 here.fillInStackTrace(); 11461 Slog.d(TAG, "Sending to user " + id + ": " 11462 + intent.toShortString(false, true, false, false) 11463 + " " + intent.getExtras(), here); 11464 } 11465 am.broadcastIntent(null, intent, null, finishedReceiver, 11466 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11467 null, finishedReceiver != null, false, id); 11468 } 11469 } catch (RemoteException ex) { 11470 } 11471 } 11472 }); 11473 } 11474 11475 /** 11476 * Check if the external storage media is available. This is true if there 11477 * is a mounted external storage medium or if the external storage is 11478 * emulated. 11479 */ 11480 private boolean isExternalMediaAvailable() { 11481 return mMediaMounted || Environment.isExternalStorageEmulated(); 11482 } 11483 11484 @Override 11485 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11486 // writer 11487 synchronized (mPackages) { 11488 if (!isExternalMediaAvailable()) { 11489 // If the external storage is no longer mounted at this point, 11490 // the caller may not have been able to delete all of this 11491 // packages files and can not delete any more. Bail. 11492 return null; 11493 } 11494 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11495 if (lastPackage != null) { 11496 pkgs.remove(lastPackage); 11497 } 11498 if (pkgs.size() > 0) { 11499 return pkgs.get(0); 11500 } 11501 } 11502 return null; 11503 } 11504 11505 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11506 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11507 userId, andCode ? 1 : 0, packageName); 11508 if (mSystemReady) { 11509 msg.sendToTarget(); 11510 } else { 11511 if (mPostSystemReadyMessages == null) { 11512 mPostSystemReadyMessages = new ArrayList<>(); 11513 } 11514 mPostSystemReadyMessages.add(msg); 11515 } 11516 } 11517 11518 void startCleaningPackages() { 11519 // reader 11520 if (!isExternalMediaAvailable()) { 11521 return; 11522 } 11523 synchronized (mPackages) { 11524 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11525 return; 11526 } 11527 } 11528 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11529 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11530 IActivityManager am = ActivityManagerNative.getDefault(); 11531 if (am != null) { 11532 try { 11533 am.startService(null, intent, null, mContext.getOpPackageName(), 11534 UserHandle.USER_SYSTEM); 11535 } catch (RemoteException e) { 11536 } 11537 } 11538 } 11539 11540 @Override 11541 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11542 int installFlags, String installerPackageName, int userId) { 11543 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11544 11545 final int callingUid = Binder.getCallingUid(); 11546 enforceCrossUserPermission(callingUid, userId, 11547 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11548 11549 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11550 try { 11551 if (observer != null) { 11552 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11553 } 11554 } catch (RemoteException re) { 11555 } 11556 return; 11557 } 11558 11559 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11560 installFlags |= PackageManager.INSTALL_FROM_ADB; 11561 11562 } else { 11563 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11564 // about installerPackageName. 11565 11566 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11567 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11568 } 11569 11570 UserHandle user; 11571 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11572 user = UserHandle.ALL; 11573 } else { 11574 user = new UserHandle(userId); 11575 } 11576 11577 // Only system components can circumvent runtime permissions when installing. 11578 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11579 && mContext.checkCallingOrSelfPermission(Manifest.permission 11580 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11581 throw new SecurityException("You need the " 11582 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11583 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11584 } 11585 11586 final File originFile = new File(originPath); 11587 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11588 11589 final Message msg = mHandler.obtainMessage(INIT_COPY); 11590 final VerificationInfo verificationInfo = new VerificationInfo( 11591 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11592 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11593 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11594 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11595 null /*certificates*/); 11596 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11597 msg.obj = params; 11598 11599 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11600 System.identityHashCode(msg.obj)); 11601 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11602 System.identityHashCode(msg.obj)); 11603 11604 mHandler.sendMessage(msg); 11605 } 11606 11607 void installStage(String packageName, File stagedDir, String stagedCid, 11608 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11609 String installerPackageName, int installerUid, UserHandle user, 11610 Certificate[][] certificates) { 11611 if (DEBUG_EPHEMERAL) { 11612 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11613 Slog.d(TAG, "Ephemeral install of " + packageName); 11614 } 11615 } 11616 final VerificationInfo verificationInfo = new VerificationInfo( 11617 sessionParams.originatingUri, sessionParams.referrerUri, 11618 sessionParams.originatingUid, installerUid); 11619 11620 final OriginInfo origin; 11621 if (stagedDir != null) { 11622 origin = OriginInfo.fromStagedFile(stagedDir); 11623 } else { 11624 origin = OriginInfo.fromStagedContainer(stagedCid); 11625 } 11626 11627 final Message msg = mHandler.obtainMessage(INIT_COPY); 11628 final InstallParams params = new InstallParams(origin, null, observer, 11629 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11630 verificationInfo, user, sessionParams.abiOverride, 11631 sessionParams.grantedRuntimePermissions, certificates); 11632 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11633 msg.obj = params; 11634 11635 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11636 System.identityHashCode(msg.obj)); 11637 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11638 System.identityHashCode(msg.obj)); 11639 11640 mHandler.sendMessage(msg); 11641 } 11642 11643 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11644 int userId) { 11645 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11646 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11647 } 11648 11649 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11650 int appId, int userId) { 11651 Bundle extras = new Bundle(1); 11652 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11653 11654 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11655 packageName, extras, 0, null, null, new int[] {userId}); 11656 try { 11657 IActivityManager am = ActivityManagerNative.getDefault(); 11658 if (isSystem && am.isUserRunning(userId, 0)) { 11659 // The just-installed/enabled app is bundled on the system, so presumed 11660 // to be able to run automatically without needing an explicit launch. 11661 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11662 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11663 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11664 .setPackage(packageName); 11665 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11666 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11667 } 11668 } catch (RemoteException e) { 11669 // shouldn't happen 11670 Slog.w(TAG, "Unable to bootstrap installed package", e); 11671 } 11672 } 11673 11674 @Override 11675 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11676 int userId) { 11677 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11678 PackageSetting pkgSetting; 11679 final int uid = Binder.getCallingUid(); 11680 enforceCrossUserPermission(uid, userId, 11681 true /* requireFullPermission */, true /* checkShell */, 11682 "setApplicationHiddenSetting for user " + userId); 11683 11684 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11685 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11686 return false; 11687 } 11688 11689 long callingId = Binder.clearCallingIdentity(); 11690 try { 11691 boolean sendAdded = false; 11692 boolean sendRemoved = false; 11693 // writer 11694 synchronized (mPackages) { 11695 pkgSetting = mSettings.mPackages.get(packageName); 11696 if (pkgSetting == null) { 11697 return false; 11698 } 11699 // Only allow protected packages to hide themselves. 11700 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11701 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11702 Slog.w(TAG, "Not hiding protected package: " + packageName); 11703 return false; 11704 } 11705 if (pkgSetting.getHidden(userId) != hidden) { 11706 pkgSetting.setHidden(hidden, userId); 11707 mSettings.writePackageRestrictionsLPr(userId); 11708 if (hidden) { 11709 sendRemoved = true; 11710 } else { 11711 sendAdded = true; 11712 } 11713 } 11714 } 11715 if (sendAdded) { 11716 sendPackageAddedForUser(packageName, pkgSetting, userId); 11717 return true; 11718 } 11719 if (sendRemoved) { 11720 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11721 "hiding pkg"); 11722 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11723 return true; 11724 } 11725 } finally { 11726 Binder.restoreCallingIdentity(callingId); 11727 } 11728 return false; 11729 } 11730 11731 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11732 int userId) { 11733 final PackageRemovedInfo info = new PackageRemovedInfo(); 11734 info.removedPackage = packageName; 11735 info.removedUsers = new int[] {userId}; 11736 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11737 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11738 } 11739 11740 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11741 if (pkgList.length > 0) { 11742 Bundle extras = new Bundle(1); 11743 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11744 11745 sendPackageBroadcast( 11746 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11747 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11748 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11749 new int[] {userId}); 11750 } 11751 } 11752 11753 /** 11754 * Returns true if application is not found or there was an error. Otherwise it returns 11755 * the hidden state of the package for the given user. 11756 */ 11757 @Override 11758 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11759 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11760 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11761 true /* requireFullPermission */, false /* checkShell */, 11762 "getApplicationHidden for user " + userId); 11763 PackageSetting pkgSetting; 11764 long callingId = Binder.clearCallingIdentity(); 11765 try { 11766 // writer 11767 synchronized (mPackages) { 11768 pkgSetting = mSettings.mPackages.get(packageName); 11769 if (pkgSetting == null) { 11770 return true; 11771 } 11772 return pkgSetting.getHidden(userId); 11773 } 11774 } finally { 11775 Binder.restoreCallingIdentity(callingId); 11776 } 11777 } 11778 11779 /** 11780 * @hide 11781 */ 11782 @Override 11783 public int installExistingPackageAsUser(String packageName, int userId) { 11784 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11785 null); 11786 PackageSetting pkgSetting; 11787 final int uid = Binder.getCallingUid(); 11788 enforceCrossUserPermission(uid, userId, 11789 true /* requireFullPermission */, true /* checkShell */, 11790 "installExistingPackage for user " + userId); 11791 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11792 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11793 } 11794 11795 long callingId = Binder.clearCallingIdentity(); 11796 try { 11797 boolean installed = false; 11798 11799 // writer 11800 synchronized (mPackages) { 11801 pkgSetting = mSettings.mPackages.get(packageName); 11802 if (pkgSetting == null) { 11803 return PackageManager.INSTALL_FAILED_INVALID_URI; 11804 } 11805 if (!pkgSetting.getInstalled(userId)) { 11806 pkgSetting.setInstalled(true, userId); 11807 pkgSetting.setHidden(false, userId); 11808 mSettings.writePackageRestrictionsLPr(userId); 11809 installed = true; 11810 } 11811 } 11812 11813 if (installed) { 11814 if (pkgSetting.pkg != null) { 11815 synchronized (mInstallLock) { 11816 // We don't need to freeze for a brand new install 11817 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11818 } 11819 } 11820 sendPackageAddedForUser(packageName, pkgSetting, userId); 11821 } 11822 } finally { 11823 Binder.restoreCallingIdentity(callingId); 11824 } 11825 11826 return PackageManager.INSTALL_SUCCEEDED; 11827 } 11828 11829 boolean isUserRestricted(int userId, String restrictionKey) { 11830 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11831 if (restrictions.getBoolean(restrictionKey, false)) { 11832 Log.w(TAG, "User is restricted: " + restrictionKey); 11833 return true; 11834 } 11835 return false; 11836 } 11837 11838 @Override 11839 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11840 int userId) { 11841 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11842 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11843 true /* requireFullPermission */, true /* checkShell */, 11844 "setPackagesSuspended for user " + userId); 11845 11846 if (ArrayUtils.isEmpty(packageNames)) { 11847 return packageNames; 11848 } 11849 11850 // List of package names for whom the suspended state has changed. 11851 List<String> changedPackages = new ArrayList<>(packageNames.length); 11852 // List of package names for whom the suspended state is not set as requested in this 11853 // method. 11854 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11855 long callingId = Binder.clearCallingIdentity(); 11856 try { 11857 for (int i = 0; i < packageNames.length; i++) { 11858 String packageName = packageNames[i]; 11859 boolean changed = false; 11860 final int appId; 11861 synchronized (mPackages) { 11862 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11863 if (pkgSetting == null) { 11864 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11865 + "\". Skipping suspending/un-suspending."); 11866 unactionedPackages.add(packageName); 11867 continue; 11868 } 11869 appId = pkgSetting.appId; 11870 if (pkgSetting.getSuspended(userId) != suspended) { 11871 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11872 unactionedPackages.add(packageName); 11873 continue; 11874 } 11875 pkgSetting.setSuspended(suspended, userId); 11876 mSettings.writePackageRestrictionsLPr(userId); 11877 changed = true; 11878 changedPackages.add(packageName); 11879 } 11880 } 11881 11882 if (changed && suspended) { 11883 killApplication(packageName, UserHandle.getUid(userId, appId), 11884 "suspending package"); 11885 } 11886 } 11887 } finally { 11888 Binder.restoreCallingIdentity(callingId); 11889 } 11890 11891 if (!changedPackages.isEmpty()) { 11892 sendPackagesSuspendedForUser(changedPackages.toArray( 11893 new String[changedPackages.size()]), userId, suspended); 11894 } 11895 11896 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11897 } 11898 11899 @Override 11900 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11901 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11902 true /* requireFullPermission */, false /* checkShell */, 11903 "isPackageSuspendedForUser for user " + userId); 11904 synchronized (mPackages) { 11905 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11906 if (pkgSetting == null) { 11907 throw new IllegalArgumentException("Unknown target package: " + packageName); 11908 } 11909 return pkgSetting.getSuspended(userId); 11910 } 11911 } 11912 11913 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11914 if (isPackageDeviceAdmin(packageName, userId)) { 11915 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11916 + "\": has an active device admin"); 11917 return false; 11918 } 11919 11920 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11921 if (packageName.equals(activeLauncherPackageName)) { 11922 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11923 + "\": contains the active launcher"); 11924 return false; 11925 } 11926 11927 if (packageName.equals(mRequiredInstallerPackage)) { 11928 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11929 + "\": required for package installation"); 11930 return false; 11931 } 11932 11933 if (packageName.equals(mRequiredVerifierPackage)) { 11934 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11935 + "\": required for package verification"); 11936 return false; 11937 } 11938 11939 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11940 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11941 + "\": is the default dialer"); 11942 return false; 11943 } 11944 11945 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11946 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11947 + "\": protected package"); 11948 return false; 11949 } 11950 11951 return true; 11952 } 11953 11954 private String getActiveLauncherPackageName(int userId) { 11955 Intent intent = new Intent(Intent.ACTION_MAIN); 11956 intent.addCategory(Intent.CATEGORY_HOME); 11957 ResolveInfo resolveInfo = resolveIntent( 11958 intent, 11959 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11960 PackageManager.MATCH_DEFAULT_ONLY, 11961 userId); 11962 11963 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11964 } 11965 11966 private String getDefaultDialerPackageName(int userId) { 11967 synchronized (mPackages) { 11968 return mSettings.getDefaultDialerPackageNameLPw(userId); 11969 } 11970 } 11971 11972 @Override 11973 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11974 mContext.enforceCallingOrSelfPermission( 11975 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11976 "Only package verification agents can verify applications"); 11977 11978 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11979 final PackageVerificationResponse response = new PackageVerificationResponse( 11980 verificationCode, Binder.getCallingUid()); 11981 msg.arg1 = id; 11982 msg.obj = response; 11983 mHandler.sendMessage(msg); 11984 } 11985 11986 @Override 11987 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11988 long millisecondsToDelay) { 11989 mContext.enforceCallingOrSelfPermission( 11990 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11991 "Only package verification agents can extend verification timeouts"); 11992 11993 final PackageVerificationState state = mPendingVerification.get(id); 11994 final PackageVerificationResponse response = new PackageVerificationResponse( 11995 verificationCodeAtTimeout, Binder.getCallingUid()); 11996 11997 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11998 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11999 } 12000 if (millisecondsToDelay < 0) { 12001 millisecondsToDelay = 0; 12002 } 12003 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12004 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12005 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12006 } 12007 12008 if ((state != null) && !state.timeoutExtended()) { 12009 state.extendTimeout(); 12010 12011 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12012 msg.arg1 = id; 12013 msg.obj = response; 12014 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12015 } 12016 } 12017 12018 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12019 int verificationCode, UserHandle user) { 12020 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12021 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12022 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12023 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12024 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12025 12026 mContext.sendBroadcastAsUser(intent, user, 12027 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12028 } 12029 12030 private ComponentName matchComponentForVerifier(String packageName, 12031 List<ResolveInfo> receivers) { 12032 ActivityInfo targetReceiver = null; 12033 12034 final int NR = receivers.size(); 12035 for (int i = 0; i < NR; i++) { 12036 final ResolveInfo info = receivers.get(i); 12037 if (info.activityInfo == null) { 12038 continue; 12039 } 12040 12041 if (packageName.equals(info.activityInfo.packageName)) { 12042 targetReceiver = info.activityInfo; 12043 break; 12044 } 12045 } 12046 12047 if (targetReceiver == null) { 12048 return null; 12049 } 12050 12051 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12052 } 12053 12054 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12055 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12056 if (pkgInfo.verifiers.length == 0) { 12057 return null; 12058 } 12059 12060 final int N = pkgInfo.verifiers.length; 12061 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12062 for (int i = 0; i < N; i++) { 12063 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12064 12065 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12066 receivers); 12067 if (comp == null) { 12068 continue; 12069 } 12070 12071 final int verifierUid = getUidForVerifier(verifierInfo); 12072 if (verifierUid == -1) { 12073 continue; 12074 } 12075 12076 if (DEBUG_VERIFY) { 12077 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12078 + " with the correct signature"); 12079 } 12080 sufficientVerifiers.add(comp); 12081 verificationState.addSufficientVerifier(verifierUid); 12082 } 12083 12084 return sufficientVerifiers; 12085 } 12086 12087 private int getUidForVerifier(VerifierInfo verifierInfo) { 12088 synchronized (mPackages) { 12089 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12090 if (pkg == null) { 12091 return -1; 12092 } else if (pkg.mSignatures.length != 1) { 12093 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12094 + " has more than one signature; ignoring"); 12095 return -1; 12096 } 12097 12098 /* 12099 * If the public key of the package's signature does not match 12100 * our expected public key, then this is a different package and 12101 * we should skip. 12102 */ 12103 12104 final byte[] expectedPublicKey; 12105 try { 12106 final Signature verifierSig = pkg.mSignatures[0]; 12107 final PublicKey publicKey = verifierSig.getPublicKey(); 12108 expectedPublicKey = publicKey.getEncoded(); 12109 } catch (CertificateException e) { 12110 return -1; 12111 } 12112 12113 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12114 12115 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12116 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12117 + " does not have the expected public key; ignoring"); 12118 return -1; 12119 } 12120 12121 return pkg.applicationInfo.uid; 12122 } 12123 } 12124 12125 @Override 12126 public void finishPackageInstall(int token, boolean didLaunch) { 12127 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12128 12129 if (DEBUG_INSTALL) { 12130 Slog.v(TAG, "BM finishing package install for " + token); 12131 } 12132 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12133 12134 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12135 mHandler.sendMessage(msg); 12136 } 12137 12138 /** 12139 * Get the verification agent timeout. 12140 * 12141 * @return verification timeout in milliseconds 12142 */ 12143 private long getVerificationTimeout() { 12144 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12145 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12146 DEFAULT_VERIFICATION_TIMEOUT); 12147 } 12148 12149 /** 12150 * Get the default verification agent response code. 12151 * 12152 * @return default verification response code 12153 */ 12154 private int getDefaultVerificationResponse() { 12155 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12156 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12157 DEFAULT_VERIFICATION_RESPONSE); 12158 } 12159 12160 /** 12161 * Check whether or not package verification has been enabled. 12162 * 12163 * @return true if verification should be performed 12164 */ 12165 private boolean isVerificationEnabled(int userId, int installFlags) { 12166 if (!DEFAULT_VERIFY_ENABLE) { 12167 return false; 12168 } 12169 // Ephemeral apps don't get the full verification treatment 12170 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12171 if (DEBUG_EPHEMERAL) { 12172 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12173 } 12174 return false; 12175 } 12176 12177 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12178 12179 // Check if installing from ADB 12180 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12181 // Do not run verification in a test harness environment 12182 if (ActivityManager.isRunningInTestHarness()) { 12183 return false; 12184 } 12185 if (ensureVerifyAppsEnabled) { 12186 return true; 12187 } 12188 // Check if the developer does not want package verification for ADB installs 12189 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12190 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12191 return false; 12192 } 12193 } 12194 12195 if (ensureVerifyAppsEnabled) { 12196 return true; 12197 } 12198 12199 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12200 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12201 } 12202 12203 @Override 12204 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12205 throws RemoteException { 12206 mContext.enforceCallingOrSelfPermission( 12207 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12208 "Only intentfilter verification agents can verify applications"); 12209 12210 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12211 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12212 Binder.getCallingUid(), verificationCode, failedDomains); 12213 msg.arg1 = id; 12214 msg.obj = response; 12215 mHandler.sendMessage(msg); 12216 } 12217 12218 @Override 12219 public int getIntentVerificationStatus(String packageName, int userId) { 12220 synchronized (mPackages) { 12221 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12222 } 12223 } 12224 12225 @Override 12226 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12227 mContext.enforceCallingOrSelfPermission( 12228 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12229 12230 boolean result = false; 12231 synchronized (mPackages) { 12232 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12233 } 12234 if (result) { 12235 scheduleWritePackageRestrictionsLocked(userId); 12236 } 12237 return result; 12238 } 12239 12240 @Override 12241 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12242 String packageName) { 12243 synchronized (mPackages) { 12244 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12245 } 12246 } 12247 12248 @Override 12249 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12250 if (TextUtils.isEmpty(packageName)) { 12251 return ParceledListSlice.emptyList(); 12252 } 12253 synchronized (mPackages) { 12254 PackageParser.Package pkg = mPackages.get(packageName); 12255 if (pkg == null || pkg.activities == null) { 12256 return ParceledListSlice.emptyList(); 12257 } 12258 final int count = pkg.activities.size(); 12259 ArrayList<IntentFilter> result = new ArrayList<>(); 12260 for (int n=0; n<count; n++) { 12261 PackageParser.Activity activity = pkg.activities.get(n); 12262 if (activity.intents != null && activity.intents.size() > 0) { 12263 result.addAll(activity.intents); 12264 } 12265 } 12266 return new ParceledListSlice<>(result); 12267 } 12268 } 12269 12270 @Override 12271 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12272 mContext.enforceCallingOrSelfPermission( 12273 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12274 12275 synchronized (mPackages) { 12276 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12277 if (packageName != null) { 12278 result |= updateIntentVerificationStatus(packageName, 12279 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12280 userId); 12281 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12282 packageName, userId); 12283 } 12284 return result; 12285 } 12286 } 12287 12288 @Override 12289 public String getDefaultBrowserPackageName(int userId) { 12290 synchronized (mPackages) { 12291 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12292 } 12293 } 12294 12295 /** 12296 * Get the "allow unknown sources" setting. 12297 * 12298 * @return the current "allow unknown sources" setting 12299 */ 12300 private int getUnknownSourcesSettings() { 12301 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12302 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12303 -1); 12304 } 12305 12306 @Override 12307 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12308 final int uid = Binder.getCallingUid(); 12309 // writer 12310 synchronized (mPackages) { 12311 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12312 if (targetPackageSetting == null) { 12313 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12314 } 12315 12316 PackageSetting installerPackageSetting; 12317 if (installerPackageName != null) { 12318 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12319 if (installerPackageSetting == null) { 12320 throw new IllegalArgumentException("Unknown installer package: " 12321 + installerPackageName); 12322 } 12323 } else { 12324 installerPackageSetting = null; 12325 } 12326 12327 Signature[] callerSignature; 12328 Object obj = mSettings.getUserIdLPr(uid); 12329 if (obj != null) { 12330 if (obj instanceof SharedUserSetting) { 12331 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12332 } else if (obj instanceof PackageSetting) { 12333 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12334 } else { 12335 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12336 } 12337 } else { 12338 throw new SecurityException("Unknown calling UID: " + uid); 12339 } 12340 12341 // Verify: can't set installerPackageName to a package that is 12342 // not signed with the same cert as the caller. 12343 if (installerPackageSetting != null) { 12344 if (compareSignatures(callerSignature, 12345 installerPackageSetting.signatures.mSignatures) 12346 != PackageManager.SIGNATURE_MATCH) { 12347 throw new SecurityException( 12348 "Caller does not have same cert as new installer package " 12349 + installerPackageName); 12350 } 12351 } 12352 12353 // Verify: if target already has an installer package, it must 12354 // be signed with the same cert as the caller. 12355 if (targetPackageSetting.installerPackageName != null) { 12356 PackageSetting setting = mSettings.mPackages.get( 12357 targetPackageSetting.installerPackageName); 12358 // If the currently set package isn't valid, then it's always 12359 // okay to change it. 12360 if (setting != null) { 12361 if (compareSignatures(callerSignature, 12362 setting.signatures.mSignatures) 12363 != PackageManager.SIGNATURE_MATCH) { 12364 throw new SecurityException( 12365 "Caller does not have same cert as old installer package " 12366 + targetPackageSetting.installerPackageName); 12367 } 12368 } 12369 } 12370 12371 // Okay! 12372 targetPackageSetting.installerPackageName = installerPackageName; 12373 if (installerPackageName != null) { 12374 mSettings.mInstallerPackages.add(installerPackageName); 12375 } 12376 scheduleWriteSettingsLocked(); 12377 } 12378 } 12379 12380 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12381 // Queue up an async operation since the package installation may take a little while. 12382 mHandler.post(new Runnable() { 12383 public void run() { 12384 mHandler.removeCallbacks(this); 12385 // Result object to be returned 12386 PackageInstalledInfo res = new PackageInstalledInfo(); 12387 res.setReturnCode(currentStatus); 12388 res.uid = -1; 12389 res.pkg = null; 12390 res.removedInfo = null; 12391 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12392 args.doPreInstall(res.returnCode); 12393 synchronized (mInstallLock) { 12394 installPackageTracedLI(args, res); 12395 } 12396 args.doPostInstall(res.returnCode, res.uid); 12397 } 12398 12399 // A restore should be performed at this point if (a) the install 12400 // succeeded, (b) the operation is not an update, and (c) the new 12401 // package has not opted out of backup participation. 12402 final boolean update = res.removedInfo != null 12403 && res.removedInfo.removedPackage != null; 12404 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12405 boolean doRestore = !update 12406 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12407 12408 // Set up the post-install work request bookkeeping. This will be used 12409 // and cleaned up by the post-install event handling regardless of whether 12410 // there's a restore pass performed. Token values are >= 1. 12411 int token; 12412 if (mNextInstallToken < 0) mNextInstallToken = 1; 12413 token = mNextInstallToken++; 12414 12415 PostInstallData data = new PostInstallData(args, res); 12416 mRunningInstalls.put(token, data); 12417 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12418 12419 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12420 // Pass responsibility to the Backup Manager. It will perform a 12421 // restore if appropriate, then pass responsibility back to the 12422 // Package Manager to run the post-install observer callbacks 12423 // and broadcasts. 12424 IBackupManager bm = IBackupManager.Stub.asInterface( 12425 ServiceManager.getService(Context.BACKUP_SERVICE)); 12426 if (bm != null) { 12427 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12428 + " to BM for possible restore"); 12429 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12430 try { 12431 // TODO: http://b/22388012 12432 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12433 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12434 } else { 12435 doRestore = false; 12436 } 12437 } catch (RemoteException e) { 12438 // can't happen; the backup manager is local 12439 } catch (Exception e) { 12440 Slog.e(TAG, "Exception trying to enqueue restore", e); 12441 doRestore = false; 12442 } 12443 } else { 12444 Slog.e(TAG, "Backup Manager not found!"); 12445 doRestore = false; 12446 } 12447 } 12448 12449 if (!doRestore) { 12450 // No restore possible, or the Backup Manager was mysteriously not 12451 // available -- just fire the post-install work request directly. 12452 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12453 12454 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12455 12456 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12457 mHandler.sendMessage(msg); 12458 } 12459 } 12460 }); 12461 } 12462 12463 /** 12464 * Callback from PackageSettings whenever an app is first transitioned out of the 12465 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12466 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12467 * here whether the app is the target of an ongoing install, and only send the 12468 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12469 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12470 * handling. 12471 */ 12472 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12473 // Serialize this with the rest of the install-process message chain. In the 12474 // restore-at-install case, this Runnable will necessarily run before the 12475 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12476 // are coherent. In the non-restore case, the app has already completed install 12477 // and been launched through some other means, so it is not in a problematic 12478 // state for observers to see the FIRST_LAUNCH signal. 12479 mHandler.post(new Runnable() { 12480 @Override 12481 public void run() { 12482 for (int i = 0; i < mRunningInstalls.size(); i++) { 12483 final PostInstallData data = mRunningInstalls.valueAt(i); 12484 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12485 // right package; but is it for the right user? 12486 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12487 if (userId == data.res.newUsers[uIndex]) { 12488 if (DEBUG_BACKUP) { 12489 Slog.i(TAG, "Package " + pkgName 12490 + " being restored so deferring FIRST_LAUNCH"); 12491 } 12492 return; 12493 } 12494 } 12495 } 12496 } 12497 // didn't find it, so not being restored 12498 if (DEBUG_BACKUP) { 12499 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12500 } 12501 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12502 } 12503 }); 12504 } 12505 12506 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12507 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12508 installerPkg, null, userIds); 12509 } 12510 12511 private abstract class HandlerParams { 12512 private static final int MAX_RETRIES = 4; 12513 12514 /** 12515 * Number of times startCopy() has been attempted and had a non-fatal 12516 * error. 12517 */ 12518 private int mRetries = 0; 12519 12520 /** User handle for the user requesting the information or installation. */ 12521 private final UserHandle mUser; 12522 String traceMethod; 12523 int traceCookie; 12524 12525 HandlerParams(UserHandle user) { 12526 mUser = user; 12527 } 12528 12529 UserHandle getUser() { 12530 return mUser; 12531 } 12532 12533 HandlerParams setTraceMethod(String traceMethod) { 12534 this.traceMethod = traceMethod; 12535 return this; 12536 } 12537 12538 HandlerParams setTraceCookie(int traceCookie) { 12539 this.traceCookie = traceCookie; 12540 return this; 12541 } 12542 12543 final boolean startCopy() { 12544 boolean res; 12545 try { 12546 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12547 12548 if (++mRetries > MAX_RETRIES) { 12549 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12550 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12551 handleServiceError(); 12552 return false; 12553 } else { 12554 handleStartCopy(); 12555 res = true; 12556 } 12557 } catch (RemoteException e) { 12558 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12559 mHandler.sendEmptyMessage(MCS_RECONNECT); 12560 res = false; 12561 } 12562 handleReturnCode(); 12563 return res; 12564 } 12565 12566 final void serviceError() { 12567 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12568 handleServiceError(); 12569 handleReturnCode(); 12570 } 12571 12572 abstract void handleStartCopy() throws RemoteException; 12573 abstract void handleServiceError(); 12574 abstract void handleReturnCode(); 12575 } 12576 12577 class MeasureParams extends HandlerParams { 12578 private final PackageStats mStats; 12579 private boolean mSuccess; 12580 12581 private final IPackageStatsObserver mObserver; 12582 12583 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12584 super(new UserHandle(stats.userHandle)); 12585 mObserver = observer; 12586 mStats = stats; 12587 } 12588 12589 @Override 12590 public String toString() { 12591 return "MeasureParams{" 12592 + Integer.toHexString(System.identityHashCode(this)) 12593 + " " + mStats.packageName + "}"; 12594 } 12595 12596 @Override 12597 void handleStartCopy() throws RemoteException { 12598 synchronized (mInstallLock) { 12599 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12600 } 12601 12602 if (mSuccess) { 12603 boolean mounted = false; 12604 try { 12605 final String status = Environment.getExternalStorageState(); 12606 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12607 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12608 } catch (Exception e) { 12609 } 12610 12611 if (mounted) { 12612 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12613 12614 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12615 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12616 12617 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12618 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12619 12620 // Always subtract cache size, since it's a subdirectory 12621 mStats.externalDataSize -= mStats.externalCacheSize; 12622 12623 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12624 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12625 12626 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12627 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12628 } 12629 } 12630 } 12631 12632 @Override 12633 void handleReturnCode() { 12634 if (mObserver != null) { 12635 try { 12636 mObserver.onGetStatsCompleted(mStats, mSuccess); 12637 } catch (RemoteException e) { 12638 Slog.i(TAG, "Observer no longer exists."); 12639 } 12640 } 12641 } 12642 12643 @Override 12644 void handleServiceError() { 12645 Slog.e(TAG, "Could not measure application " + mStats.packageName 12646 + " external storage"); 12647 } 12648 } 12649 12650 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12651 throws RemoteException { 12652 long result = 0; 12653 for (File path : paths) { 12654 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12655 } 12656 return result; 12657 } 12658 12659 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12660 for (File path : paths) { 12661 try { 12662 mcs.clearDirectory(path.getAbsolutePath()); 12663 } catch (RemoteException e) { 12664 } 12665 } 12666 } 12667 12668 static class OriginInfo { 12669 /** 12670 * Location where install is coming from, before it has been 12671 * copied/renamed into place. This could be a single monolithic APK 12672 * file, or a cluster directory. This location may be untrusted. 12673 */ 12674 final File file; 12675 final String cid; 12676 12677 /** 12678 * Flag indicating that {@link #file} or {@link #cid} has already been 12679 * staged, meaning downstream users don't need to defensively copy the 12680 * contents. 12681 */ 12682 final boolean staged; 12683 12684 /** 12685 * Flag indicating that {@link #file} or {@link #cid} is an already 12686 * installed app that is being moved. 12687 */ 12688 final boolean existing; 12689 12690 final String resolvedPath; 12691 final File resolvedFile; 12692 12693 static OriginInfo fromNothing() { 12694 return new OriginInfo(null, null, false, false); 12695 } 12696 12697 static OriginInfo fromUntrustedFile(File file) { 12698 return new OriginInfo(file, null, false, false); 12699 } 12700 12701 static OriginInfo fromExistingFile(File file) { 12702 return new OriginInfo(file, null, false, true); 12703 } 12704 12705 static OriginInfo fromStagedFile(File file) { 12706 return new OriginInfo(file, null, true, false); 12707 } 12708 12709 static OriginInfo fromStagedContainer(String cid) { 12710 return new OriginInfo(null, cid, true, false); 12711 } 12712 12713 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12714 this.file = file; 12715 this.cid = cid; 12716 this.staged = staged; 12717 this.existing = existing; 12718 12719 if (cid != null) { 12720 resolvedPath = PackageHelper.getSdDir(cid); 12721 resolvedFile = new File(resolvedPath); 12722 } else if (file != null) { 12723 resolvedPath = file.getAbsolutePath(); 12724 resolvedFile = file; 12725 } else { 12726 resolvedPath = null; 12727 resolvedFile = null; 12728 } 12729 } 12730 } 12731 12732 static class MoveInfo { 12733 final int moveId; 12734 final String fromUuid; 12735 final String toUuid; 12736 final String packageName; 12737 final String dataAppName; 12738 final int appId; 12739 final String seinfo; 12740 final int targetSdkVersion; 12741 12742 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12743 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12744 this.moveId = moveId; 12745 this.fromUuid = fromUuid; 12746 this.toUuid = toUuid; 12747 this.packageName = packageName; 12748 this.dataAppName = dataAppName; 12749 this.appId = appId; 12750 this.seinfo = seinfo; 12751 this.targetSdkVersion = targetSdkVersion; 12752 } 12753 } 12754 12755 static class VerificationInfo { 12756 /** A constant used to indicate that a uid value is not present. */ 12757 public static final int NO_UID = -1; 12758 12759 /** URI referencing where the package was downloaded from. */ 12760 final Uri originatingUri; 12761 12762 /** HTTP referrer URI associated with the originatingURI. */ 12763 final Uri referrer; 12764 12765 /** UID of the application that the install request originated from. */ 12766 final int originatingUid; 12767 12768 /** UID of application requesting the install */ 12769 final int installerUid; 12770 12771 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12772 this.originatingUri = originatingUri; 12773 this.referrer = referrer; 12774 this.originatingUid = originatingUid; 12775 this.installerUid = installerUid; 12776 } 12777 } 12778 12779 class InstallParams extends HandlerParams { 12780 final OriginInfo origin; 12781 final MoveInfo move; 12782 final IPackageInstallObserver2 observer; 12783 int installFlags; 12784 final String installerPackageName; 12785 final String volumeUuid; 12786 private InstallArgs mArgs; 12787 private int mRet; 12788 final String packageAbiOverride; 12789 final String[] grantedRuntimePermissions; 12790 final VerificationInfo verificationInfo; 12791 final Certificate[][] certificates; 12792 12793 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12794 int installFlags, String installerPackageName, String volumeUuid, 12795 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12796 String[] grantedPermissions, Certificate[][] certificates) { 12797 super(user); 12798 this.origin = origin; 12799 this.move = move; 12800 this.observer = observer; 12801 this.installFlags = installFlags; 12802 this.installerPackageName = installerPackageName; 12803 this.volumeUuid = volumeUuid; 12804 this.verificationInfo = verificationInfo; 12805 this.packageAbiOverride = packageAbiOverride; 12806 this.grantedRuntimePermissions = grantedPermissions; 12807 this.certificates = certificates; 12808 } 12809 12810 @Override 12811 public String toString() { 12812 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12813 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12814 } 12815 12816 private int installLocationPolicy(PackageInfoLite pkgLite) { 12817 String packageName = pkgLite.packageName; 12818 int installLocation = pkgLite.installLocation; 12819 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12820 // reader 12821 synchronized (mPackages) { 12822 // Currently installed package which the new package is attempting to replace or 12823 // null if no such package is installed. 12824 PackageParser.Package installedPkg = mPackages.get(packageName); 12825 // Package which currently owns the data which the new package will own if installed. 12826 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12827 // will be null whereas dataOwnerPkg will contain information about the package 12828 // which was uninstalled while keeping its data. 12829 PackageParser.Package dataOwnerPkg = installedPkg; 12830 if (dataOwnerPkg == null) { 12831 PackageSetting ps = mSettings.mPackages.get(packageName); 12832 if (ps != null) { 12833 dataOwnerPkg = ps.pkg; 12834 } 12835 } 12836 12837 if (dataOwnerPkg != null) { 12838 // If installed, the package will get access to data left on the device by its 12839 // predecessor. As a security measure, this is permited only if this is not a 12840 // version downgrade or if the predecessor package is marked as debuggable and 12841 // a downgrade is explicitly requested. 12842 // 12843 // On debuggable platform builds, downgrades are permitted even for 12844 // non-debuggable packages to make testing easier. Debuggable platform builds do 12845 // not offer security guarantees and thus it's OK to disable some security 12846 // mechanisms to make debugging/testing easier on those builds. However, even on 12847 // debuggable builds downgrades of packages are permitted only if requested via 12848 // installFlags. This is because we aim to keep the behavior of debuggable 12849 // platform builds as close as possible to the behavior of non-debuggable 12850 // platform builds. 12851 final boolean downgradeRequested = 12852 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12853 final boolean packageDebuggable = 12854 (dataOwnerPkg.applicationInfo.flags 12855 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12856 final boolean downgradePermitted = 12857 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12858 if (!downgradePermitted) { 12859 try { 12860 checkDowngrade(dataOwnerPkg, pkgLite); 12861 } catch (PackageManagerException e) { 12862 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12863 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12864 } 12865 } 12866 } 12867 12868 if (installedPkg != null) { 12869 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12870 // Check for updated system application. 12871 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12872 if (onSd) { 12873 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12874 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12875 } 12876 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12877 } else { 12878 if (onSd) { 12879 // Install flag overrides everything. 12880 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12881 } 12882 // If current upgrade specifies particular preference 12883 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12884 // Application explicitly specified internal. 12885 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12886 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12887 // App explictly prefers external. Let policy decide 12888 } else { 12889 // Prefer previous location 12890 if (isExternal(installedPkg)) { 12891 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12892 } 12893 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12894 } 12895 } 12896 } else { 12897 // Invalid install. Return error code 12898 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12899 } 12900 } 12901 } 12902 // All the special cases have been taken care of. 12903 // Return result based on recommended install location. 12904 if (onSd) { 12905 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12906 } 12907 return pkgLite.recommendedInstallLocation; 12908 } 12909 12910 /* 12911 * Invoke remote method to get package information and install 12912 * location values. Override install location based on default 12913 * policy if needed and then create install arguments based 12914 * on the install location. 12915 */ 12916 public void handleStartCopy() throws RemoteException { 12917 int ret = PackageManager.INSTALL_SUCCEEDED; 12918 12919 // If we're already staged, we've firmly committed to an install location 12920 if (origin.staged) { 12921 if (origin.file != null) { 12922 installFlags |= PackageManager.INSTALL_INTERNAL; 12923 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12924 } else if (origin.cid != null) { 12925 installFlags |= PackageManager.INSTALL_EXTERNAL; 12926 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12927 } else { 12928 throw new IllegalStateException("Invalid stage location"); 12929 } 12930 } 12931 12932 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12933 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12934 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12935 PackageInfoLite pkgLite = null; 12936 12937 if (onInt && onSd) { 12938 // Check if both bits are set. 12939 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12940 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12941 } else if (onSd && ephemeral) { 12942 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12943 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12944 } else { 12945 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12946 packageAbiOverride); 12947 12948 if (DEBUG_EPHEMERAL && ephemeral) { 12949 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12950 } 12951 12952 /* 12953 * If we have too little free space, try to free cache 12954 * before giving up. 12955 */ 12956 if (!origin.staged && pkgLite.recommendedInstallLocation 12957 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12958 // TODO: focus freeing disk space on the target device 12959 final StorageManager storage = StorageManager.from(mContext); 12960 final long lowThreshold = storage.getStorageLowBytes( 12961 Environment.getDataDirectory()); 12962 12963 final long sizeBytes = mContainerService.calculateInstalledSize( 12964 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12965 12966 try { 12967 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12968 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12969 installFlags, packageAbiOverride); 12970 } catch (InstallerException e) { 12971 Slog.w(TAG, "Failed to free cache", e); 12972 } 12973 12974 /* 12975 * The cache free must have deleted the file we 12976 * downloaded to install. 12977 * 12978 * TODO: fix the "freeCache" call to not delete 12979 * the file we care about. 12980 */ 12981 if (pkgLite.recommendedInstallLocation 12982 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12983 pkgLite.recommendedInstallLocation 12984 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12985 } 12986 } 12987 } 12988 12989 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12990 int loc = pkgLite.recommendedInstallLocation; 12991 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12992 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12993 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12994 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12995 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12996 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12997 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12998 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12999 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13000 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13001 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13002 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13003 } else { 13004 // Override with defaults if needed. 13005 loc = installLocationPolicy(pkgLite); 13006 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13007 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13008 } else if (!onSd && !onInt) { 13009 // Override install location with flags 13010 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13011 // Set the flag to install on external media. 13012 installFlags |= PackageManager.INSTALL_EXTERNAL; 13013 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13014 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13015 if (DEBUG_EPHEMERAL) { 13016 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13017 } 13018 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13019 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13020 |PackageManager.INSTALL_INTERNAL); 13021 } else { 13022 // Make sure the flag for installing on external 13023 // media is unset 13024 installFlags |= PackageManager.INSTALL_INTERNAL; 13025 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13026 } 13027 } 13028 } 13029 } 13030 13031 final InstallArgs args = createInstallArgs(this); 13032 mArgs = args; 13033 13034 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13035 // TODO: http://b/22976637 13036 // Apps installed for "all" users use the device owner to verify the app 13037 UserHandle verifierUser = getUser(); 13038 if (verifierUser == UserHandle.ALL) { 13039 verifierUser = UserHandle.SYSTEM; 13040 } 13041 13042 /* 13043 * Determine if we have any installed package verifiers. If we 13044 * do, then we'll defer to them to verify the packages. 13045 */ 13046 final int requiredUid = mRequiredVerifierPackage == null ? -1 13047 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13048 verifierUser.getIdentifier()); 13049 if (!origin.existing && requiredUid != -1 13050 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13051 final Intent verification = new Intent( 13052 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13053 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13054 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13055 PACKAGE_MIME_TYPE); 13056 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13057 13058 // Query all live verifiers based on current user state 13059 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13060 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13061 13062 if (DEBUG_VERIFY) { 13063 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13064 + verification.toString() + " with " + pkgLite.verifiers.length 13065 + " optional verifiers"); 13066 } 13067 13068 final int verificationId = mPendingVerificationToken++; 13069 13070 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13071 13072 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13073 installerPackageName); 13074 13075 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13076 installFlags); 13077 13078 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13079 pkgLite.packageName); 13080 13081 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13082 pkgLite.versionCode); 13083 13084 if (verificationInfo != null) { 13085 if (verificationInfo.originatingUri != null) { 13086 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13087 verificationInfo.originatingUri); 13088 } 13089 if (verificationInfo.referrer != null) { 13090 verification.putExtra(Intent.EXTRA_REFERRER, 13091 verificationInfo.referrer); 13092 } 13093 if (verificationInfo.originatingUid >= 0) { 13094 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13095 verificationInfo.originatingUid); 13096 } 13097 if (verificationInfo.installerUid >= 0) { 13098 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13099 verificationInfo.installerUid); 13100 } 13101 } 13102 13103 final PackageVerificationState verificationState = new PackageVerificationState( 13104 requiredUid, args); 13105 13106 mPendingVerification.append(verificationId, verificationState); 13107 13108 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13109 receivers, verificationState); 13110 13111 /* 13112 * If any sufficient verifiers were listed in the package 13113 * manifest, attempt to ask them. 13114 */ 13115 if (sufficientVerifiers != null) { 13116 final int N = sufficientVerifiers.size(); 13117 if (N == 0) { 13118 Slog.i(TAG, "Additional verifiers required, but none installed."); 13119 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13120 } else { 13121 for (int i = 0; i < N; i++) { 13122 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13123 13124 final Intent sufficientIntent = new Intent(verification); 13125 sufficientIntent.setComponent(verifierComponent); 13126 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13127 } 13128 } 13129 } 13130 13131 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13132 mRequiredVerifierPackage, receivers); 13133 if (ret == PackageManager.INSTALL_SUCCEEDED 13134 && mRequiredVerifierPackage != null) { 13135 Trace.asyncTraceBegin( 13136 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13137 /* 13138 * Send the intent to the required verification agent, 13139 * but only start the verification timeout after the 13140 * target BroadcastReceivers have run. 13141 */ 13142 verification.setComponent(requiredVerifierComponent); 13143 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13144 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13145 new BroadcastReceiver() { 13146 @Override 13147 public void onReceive(Context context, Intent intent) { 13148 final Message msg = mHandler 13149 .obtainMessage(CHECK_PENDING_VERIFICATION); 13150 msg.arg1 = verificationId; 13151 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13152 } 13153 }, null, 0, null, null); 13154 13155 /* 13156 * We don't want the copy to proceed until verification 13157 * succeeds, so null out this field. 13158 */ 13159 mArgs = null; 13160 } 13161 } else { 13162 /* 13163 * No package verification is enabled, so immediately start 13164 * the remote call to initiate copy using temporary file. 13165 */ 13166 ret = args.copyApk(mContainerService, true); 13167 } 13168 } 13169 13170 mRet = ret; 13171 } 13172 13173 @Override 13174 void handleReturnCode() { 13175 // If mArgs is null, then MCS couldn't be reached. When it 13176 // reconnects, it will try again to install. At that point, this 13177 // will succeed. 13178 if (mArgs != null) { 13179 processPendingInstall(mArgs, mRet); 13180 } 13181 } 13182 13183 @Override 13184 void handleServiceError() { 13185 mArgs = createInstallArgs(this); 13186 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13187 } 13188 13189 public boolean isForwardLocked() { 13190 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13191 } 13192 } 13193 13194 /** 13195 * Used during creation of InstallArgs 13196 * 13197 * @param installFlags package installation flags 13198 * @return true if should be installed on external storage 13199 */ 13200 private static boolean installOnExternalAsec(int installFlags) { 13201 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13202 return false; 13203 } 13204 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13205 return true; 13206 } 13207 return false; 13208 } 13209 13210 /** 13211 * Used during creation of InstallArgs 13212 * 13213 * @param installFlags package installation flags 13214 * @return true if should be installed as forward locked 13215 */ 13216 private static boolean installForwardLocked(int installFlags) { 13217 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13218 } 13219 13220 private InstallArgs createInstallArgs(InstallParams params) { 13221 if (params.move != null) { 13222 return new MoveInstallArgs(params); 13223 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13224 return new AsecInstallArgs(params); 13225 } else { 13226 return new FileInstallArgs(params); 13227 } 13228 } 13229 13230 /** 13231 * Create args that describe an existing installed package. Typically used 13232 * when cleaning up old installs, or used as a move source. 13233 */ 13234 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13235 String resourcePath, String[] instructionSets) { 13236 final boolean isInAsec; 13237 if (installOnExternalAsec(installFlags)) { 13238 /* Apps on SD card are always in ASEC containers. */ 13239 isInAsec = true; 13240 } else if (installForwardLocked(installFlags) 13241 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13242 /* 13243 * Forward-locked apps are only in ASEC containers if they're the 13244 * new style 13245 */ 13246 isInAsec = true; 13247 } else { 13248 isInAsec = false; 13249 } 13250 13251 if (isInAsec) { 13252 return new AsecInstallArgs(codePath, instructionSets, 13253 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13254 } else { 13255 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13256 } 13257 } 13258 13259 static abstract class InstallArgs { 13260 /** @see InstallParams#origin */ 13261 final OriginInfo origin; 13262 /** @see InstallParams#move */ 13263 final MoveInfo move; 13264 13265 final IPackageInstallObserver2 observer; 13266 // Always refers to PackageManager flags only 13267 final int installFlags; 13268 final String installerPackageName; 13269 final String volumeUuid; 13270 final UserHandle user; 13271 final String abiOverride; 13272 final String[] installGrantPermissions; 13273 /** If non-null, drop an async trace when the install completes */ 13274 final String traceMethod; 13275 final int traceCookie; 13276 final Certificate[][] certificates; 13277 13278 // The list of instruction sets supported by this app. This is currently 13279 // only used during the rmdex() phase to clean up resources. We can get rid of this 13280 // if we move dex files under the common app path. 13281 /* nullable */ String[] instructionSets; 13282 13283 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13284 int installFlags, String installerPackageName, String volumeUuid, 13285 UserHandle user, String[] instructionSets, 13286 String abiOverride, String[] installGrantPermissions, 13287 String traceMethod, int traceCookie, Certificate[][] certificates) { 13288 this.origin = origin; 13289 this.move = move; 13290 this.installFlags = installFlags; 13291 this.observer = observer; 13292 this.installerPackageName = installerPackageName; 13293 this.volumeUuid = volumeUuid; 13294 this.user = user; 13295 this.instructionSets = instructionSets; 13296 this.abiOverride = abiOverride; 13297 this.installGrantPermissions = installGrantPermissions; 13298 this.traceMethod = traceMethod; 13299 this.traceCookie = traceCookie; 13300 this.certificates = certificates; 13301 } 13302 13303 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13304 abstract int doPreInstall(int status); 13305 13306 /** 13307 * Rename package into final resting place. All paths on the given 13308 * scanned package should be updated to reflect the rename. 13309 */ 13310 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13311 abstract int doPostInstall(int status, int uid); 13312 13313 /** @see PackageSettingBase#codePathString */ 13314 abstract String getCodePath(); 13315 /** @see PackageSettingBase#resourcePathString */ 13316 abstract String getResourcePath(); 13317 13318 // Need installer lock especially for dex file removal. 13319 abstract void cleanUpResourcesLI(); 13320 abstract boolean doPostDeleteLI(boolean delete); 13321 13322 /** 13323 * Called before the source arguments are copied. This is used mostly 13324 * for MoveParams when it needs to read the source file to put it in the 13325 * destination. 13326 */ 13327 int doPreCopy() { 13328 return PackageManager.INSTALL_SUCCEEDED; 13329 } 13330 13331 /** 13332 * Called after the source arguments are copied. This is used mostly for 13333 * MoveParams when it needs to read the source file to put it in the 13334 * destination. 13335 */ 13336 int doPostCopy(int uid) { 13337 return PackageManager.INSTALL_SUCCEEDED; 13338 } 13339 13340 protected boolean isFwdLocked() { 13341 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13342 } 13343 13344 protected boolean isExternalAsec() { 13345 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13346 } 13347 13348 protected boolean isEphemeral() { 13349 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13350 } 13351 13352 UserHandle getUser() { 13353 return user; 13354 } 13355 } 13356 13357 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13358 if (!allCodePaths.isEmpty()) { 13359 if (instructionSets == null) { 13360 throw new IllegalStateException("instructionSet == null"); 13361 } 13362 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13363 for (String codePath : allCodePaths) { 13364 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13365 try { 13366 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13367 } catch (InstallerException ignored) { 13368 } 13369 } 13370 } 13371 } 13372 } 13373 13374 /** 13375 * Logic to handle installation of non-ASEC applications, including copying 13376 * and renaming logic. 13377 */ 13378 class FileInstallArgs extends InstallArgs { 13379 private File codeFile; 13380 private File resourceFile; 13381 13382 // Example topology: 13383 // /data/app/com.example/base.apk 13384 // /data/app/com.example/split_foo.apk 13385 // /data/app/com.example/lib/arm/libfoo.so 13386 // /data/app/com.example/lib/arm64/libfoo.so 13387 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13388 13389 /** New install */ 13390 FileInstallArgs(InstallParams params) { 13391 super(params.origin, params.move, params.observer, params.installFlags, 13392 params.installerPackageName, params.volumeUuid, 13393 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13394 params.grantedRuntimePermissions, 13395 params.traceMethod, params.traceCookie, params.certificates); 13396 if (isFwdLocked()) { 13397 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13398 } 13399 } 13400 13401 /** Existing install */ 13402 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13403 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13404 null, null, null, 0, null /*certificates*/); 13405 this.codeFile = (codePath != null) ? new File(codePath) : null; 13406 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13407 } 13408 13409 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13410 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13411 try { 13412 return doCopyApk(imcs, temp); 13413 } finally { 13414 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13415 } 13416 } 13417 13418 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13419 if (origin.staged) { 13420 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13421 codeFile = origin.file; 13422 resourceFile = origin.file; 13423 return PackageManager.INSTALL_SUCCEEDED; 13424 } 13425 13426 try { 13427 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13428 final File tempDir = 13429 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13430 codeFile = tempDir; 13431 resourceFile = tempDir; 13432 } catch (IOException e) { 13433 Slog.w(TAG, "Failed to create copy file: " + e); 13434 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13435 } 13436 13437 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13438 @Override 13439 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13440 if (!FileUtils.isValidExtFilename(name)) { 13441 throw new IllegalArgumentException("Invalid filename: " + name); 13442 } 13443 try { 13444 final File file = new File(codeFile, name); 13445 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13446 O_RDWR | O_CREAT, 0644); 13447 Os.chmod(file.getAbsolutePath(), 0644); 13448 return new ParcelFileDescriptor(fd); 13449 } catch (ErrnoException e) { 13450 throw new RemoteException("Failed to open: " + e.getMessage()); 13451 } 13452 } 13453 }; 13454 13455 int ret = PackageManager.INSTALL_SUCCEEDED; 13456 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13457 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13458 Slog.e(TAG, "Failed to copy package"); 13459 return ret; 13460 } 13461 13462 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13463 NativeLibraryHelper.Handle handle = null; 13464 try { 13465 handle = NativeLibraryHelper.Handle.create(codeFile); 13466 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13467 abiOverride); 13468 } catch (IOException e) { 13469 Slog.e(TAG, "Copying native libraries failed", e); 13470 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13471 } finally { 13472 IoUtils.closeQuietly(handle); 13473 } 13474 13475 return ret; 13476 } 13477 13478 int doPreInstall(int status) { 13479 if (status != PackageManager.INSTALL_SUCCEEDED) { 13480 cleanUp(); 13481 } 13482 return status; 13483 } 13484 13485 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13486 if (status != PackageManager.INSTALL_SUCCEEDED) { 13487 cleanUp(); 13488 return false; 13489 } 13490 13491 final File targetDir = codeFile.getParentFile(); 13492 final File beforeCodeFile = codeFile; 13493 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13494 13495 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13496 try { 13497 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13498 } catch (ErrnoException e) { 13499 Slog.w(TAG, "Failed to rename", e); 13500 return false; 13501 } 13502 13503 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13504 Slog.w(TAG, "Failed to restorecon"); 13505 return false; 13506 } 13507 13508 // Reflect the rename internally 13509 codeFile = afterCodeFile; 13510 resourceFile = afterCodeFile; 13511 13512 // Reflect the rename in scanned details 13513 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13514 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13515 afterCodeFile, pkg.baseCodePath)); 13516 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13517 afterCodeFile, pkg.splitCodePaths)); 13518 13519 // Reflect the rename in app info 13520 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13521 pkg.setApplicationInfoCodePath(pkg.codePath); 13522 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13523 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13524 pkg.setApplicationInfoResourcePath(pkg.codePath); 13525 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13526 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13527 13528 return true; 13529 } 13530 13531 int doPostInstall(int status, int uid) { 13532 if (status != PackageManager.INSTALL_SUCCEEDED) { 13533 cleanUp(); 13534 } 13535 return status; 13536 } 13537 13538 @Override 13539 String getCodePath() { 13540 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13541 } 13542 13543 @Override 13544 String getResourcePath() { 13545 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13546 } 13547 13548 private boolean cleanUp() { 13549 if (codeFile == null || !codeFile.exists()) { 13550 return false; 13551 } 13552 13553 removeCodePathLI(codeFile); 13554 13555 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13556 resourceFile.delete(); 13557 } 13558 13559 return true; 13560 } 13561 13562 void cleanUpResourcesLI() { 13563 // Try enumerating all code paths before deleting 13564 List<String> allCodePaths = Collections.EMPTY_LIST; 13565 if (codeFile != null && codeFile.exists()) { 13566 try { 13567 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13568 allCodePaths = pkg.getAllCodePaths(); 13569 } catch (PackageParserException e) { 13570 // Ignored; we tried our best 13571 } 13572 } 13573 13574 cleanUp(); 13575 removeDexFiles(allCodePaths, instructionSets); 13576 } 13577 13578 boolean doPostDeleteLI(boolean delete) { 13579 // XXX err, shouldn't we respect the delete flag? 13580 cleanUpResourcesLI(); 13581 return true; 13582 } 13583 } 13584 13585 private boolean isAsecExternal(String cid) { 13586 final String asecPath = PackageHelper.getSdFilesystem(cid); 13587 return !asecPath.startsWith(mAsecInternalPath); 13588 } 13589 13590 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13591 PackageManagerException { 13592 if (copyRet < 0) { 13593 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13594 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13595 throw new PackageManagerException(copyRet, message); 13596 } 13597 } 13598 } 13599 13600 /** 13601 * Extract the MountService "container ID" from the full code path of an 13602 * .apk. 13603 */ 13604 static String cidFromCodePath(String fullCodePath) { 13605 int eidx = fullCodePath.lastIndexOf("/"); 13606 String subStr1 = fullCodePath.substring(0, eidx); 13607 int sidx = subStr1.lastIndexOf("/"); 13608 return subStr1.substring(sidx+1, eidx); 13609 } 13610 13611 /** 13612 * Logic to handle installation of ASEC applications, including copying and 13613 * renaming logic. 13614 */ 13615 class AsecInstallArgs extends InstallArgs { 13616 static final String RES_FILE_NAME = "pkg.apk"; 13617 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13618 13619 String cid; 13620 String packagePath; 13621 String resourcePath; 13622 13623 /** New install */ 13624 AsecInstallArgs(InstallParams params) { 13625 super(params.origin, params.move, params.observer, params.installFlags, 13626 params.installerPackageName, params.volumeUuid, 13627 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13628 params.grantedRuntimePermissions, 13629 params.traceMethod, params.traceCookie, params.certificates); 13630 } 13631 13632 /** Existing install */ 13633 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13634 boolean isExternal, boolean isForwardLocked) { 13635 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13636 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13637 instructionSets, null, null, null, 0, null /*certificates*/); 13638 // Hackily pretend we're still looking at a full code path 13639 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13640 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13641 } 13642 13643 // Extract cid from fullCodePath 13644 int eidx = fullCodePath.lastIndexOf("/"); 13645 String subStr1 = fullCodePath.substring(0, eidx); 13646 int sidx = subStr1.lastIndexOf("/"); 13647 cid = subStr1.substring(sidx+1, eidx); 13648 setMountPath(subStr1); 13649 } 13650 13651 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13652 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13653 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13654 instructionSets, null, null, null, 0, null /*certificates*/); 13655 this.cid = cid; 13656 setMountPath(PackageHelper.getSdDir(cid)); 13657 } 13658 13659 void createCopyFile() { 13660 cid = mInstallerService.allocateExternalStageCidLegacy(); 13661 } 13662 13663 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13664 if (origin.staged && origin.cid != null) { 13665 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13666 cid = origin.cid; 13667 setMountPath(PackageHelper.getSdDir(cid)); 13668 return PackageManager.INSTALL_SUCCEEDED; 13669 } 13670 13671 if (temp) { 13672 createCopyFile(); 13673 } else { 13674 /* 13675 * Pre-emptively destroy the container since it's destroyed if 13676 * copying fails due to it existing anyway. 13677 */ 13678 PackageHelper.destroySdDir(cid); 13679 } 13680 13681 final String newMountPath = imcs.copyPackageToContainer( 13682 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13683 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13684 13685 if (newMountPath != null) { 13686 setMountPath(newMountPath); 13687 return PackageManager.INSTALL_SUCCEEDED; 13688 } else { 13689 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13690 } 13691 } 13692 13693 @Override 13694 String getCodePath() { 13695 return packagePath; 13696 } 13697 13698 @Override 13699 String getResourcePath() { 13700 return resourcePath; 13701 } 13702 13703 int doPreInstall(int status) { 13704 if (status != PackageManager.INSTALL_SUCCEEDED) { 13705 // Destroy container 13706 PackageHelper.destroySdDir(cid); 13707 } else { 13708 boolean mounted = PackageHelper.isContainerMounted(cid); 13709 if (!mounted) { 13710 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13711 Process.SYSTEM_UID); 13712 if (newMountPath != null) { 13713 setMountPath(newMountPath); 13714 } else { 13715 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13716 } 13717 } 13718 } 13719 return status; 13720 } 13721 13722 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13723 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13724 String newMountPath = null; 13725 if (PackageHelper.isContainerMounted(cid)) { 13726 // Unmount the container 13727 if (!PackageHelper.unMountSdDir(cid)) { 13728 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13729 return false; 13730 } 13731 } 13732 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13733 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13734 " which might be stale. Will try to clean up."); 13735 // Clean up the stale container and proceed to recreate. 13736 if (!PackageHelper.destroySdDir(newCacheId)) { 13737 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13738 return false; 13739 } 13740 // Successfully cleaned up stale container. Try to rename again. 13741 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13742 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13743 + " inspite of cleaning it up."); 13744 return false; 13745 } 13746 } 13747 if (!PackageHelper.isContainerMounted(newCacheId)) { 13748 Slog.w(TAG, "Mounting container " + newCacheId); 13749 newMountPath = PackageHelper.mountSdDir(newCacheId, 13750 getEncryptKey(), Process.SYSTEM_UID); 13751 } else { 13752 newMountPath = PackageHelper.getSdDir(newCacheId); 13753 } 13754 if (newMountPath == null) { 13755 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13756 return false; 13757 } 13758 Log.i(TAG, "Succesfully renamed " + cid + 13759 " to " + newCacheId + 13760 " at new path: " + newMountPath); 13761 cid = newCacheId; 13762 13763 final File beforeCodeFile = new File(packagePath); 13764 setMountPath(newMountPath); 13765 final File afterCodeFile = new File(packagePath); 13766 13767 // Reflect the rename in scanned details 13768 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13769 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13770 afterCodeFile, pkg.baseCodePath)); 13771 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13772 afterCodeFile, pkg.splitCodePaths)); 13773 13774 // Reflect the rename in app info 13775 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13776 pkg.setApplicationInfoCodePath(pkg.codePath); 13777 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13778 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13779 pkg.setApplicationInfoResourcePath(pkg.codePath); 13780 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13781 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13782 13783 return true; 13784 } 13785 13786 private void setMountPath(String mountPath) { 13787 final File mountFile = new File(mountPath); 13788 13789 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13790 if (monolithicFile.exists()) { 13791 packagePath = monolithicFile.getAbsolutePath(); 13792 if (isFwdLocked()) { 13793 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13794 } else { 13795 resourcePath = packagePath; 13796 } 13797 } else { 13798 packagePath = mountFile.getAbsolutePath(); 13799 resourcePath = packagePath; 13800 } 13801 } 13802 13803 int doPostInstall(int status, int uid) { 13804 if (status != PackageManager.INSTALL_SUCCEEDED) { 13805 cleanUp(); 13806 } else { 13807 final int groupOwner; 13808 final String protectedFile; 13809 if (isFwdLocked()) { 13810 groupOwner = UserHandle.getSharedAppGid(uid); 13811 protectedFile = RES_FILE_NAME; 13812 } else { 13813 groupOwner = -1; 13814 protectedFile = null; 13815 } 13816 13817 if (uid < Process.FIRST_APPLICATION_UID 13818 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13819 Slog.e(TAG, "Failed to finalize " + cid); 13820 PackageHelper.destroySdDir(cid); 13821 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13822 } 13823 13824 boolean mounted = PackageHelper.isContainerMounted(cid); 13825 if (!mounted) { 13826 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13827 } 13828 } 13829 return status; 13830 } 13831 13832 private void cleanUp() { 13833 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13834 13835 // Destroy secure container 13836 PackageHelper.destroySdDir(cid); 13837 } 13838 13839 private List<String> getAllCodePaths() { 13840 final File codeFile = new File(getCodePath()); 13841 if (codeFile != null && codeFile.exists()) { 13842 try { 13843 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13844 return pkg.getAllCodePaths(); 13845 } catch (PackageParserException e) { 13846 // Ignored; we tried our best 13847 } 13848 } 13849 return Collections.EMPTY_LIST; 13850 } 13851 13852 void cleanUpResourcesLI() { 13853 // Enumerate all code paths before deleting 13854 cleanUpResourcesLI(getAllCodePaths()); 13855 } 13856 13857 private void cleanUpResourcesLI(List<String> allCodePaths) { 13858 cleanUp(); 13859 removeDexFiles(allCodePaths, instructionSets); 13860 } 13861 13862 String getPackageName() { 13863 return getAsecPackageName(cid); 13864 } 13865 13866 boolean doPostDeleteLI(boolean delete) { 13867 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13868 final List<String> allCodePaths = getAllCodePaths(); 13869 boolean mounted = PackageHelper.isContainerMounted(cid); 13870 if (mounted) { 13871 // Unmount first 13872 if (PackageHelper.unMountSdDir(cid)) { 13873 mounted = false; 13874 } 13875 } 13876 if (!mounted && delete) { 13877 cleanUpResourcesLI(allCodePaths); 13878 } 13879 return !mounted; 13880 } 13881 13882 @Override 13883 int doPreCopy() { 13884 if (isFwdLocked()) { 13885 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13886 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13887 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13888 } 13889 } 13890 13891 return PackageManager.INSTALL_SUCCEEDED; 13892 } 13893 13894 @Override 13895 int doPostCopy(int uid) { 13896 if (isFwdLocked()) { 13897 if (uid < Process.FIRST_APPLICATION_UID 13898 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13899 RES_FILE_NAME)) { 13900 Slog.e(TAG, "Failed to finalize " + cid); 13901 PackageHelper.destroySdDir(cid); 13902 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13903 } 13904 } 13905 13906 return PackageManager.INSTALL_SUCCEEDED; 13907 } 13908 } 13909 13910 /** 13911 * Logic to handle movement of existing installed applications. 13912 */ 13913 class MoveInstallArgs extends InstallArgs { 13914 private File codeFile; 13915 private File resourceFile; 13916 13917 /** New install */ 13918 MoveInstallArgs(InstallParams params) { 13919 super(params.origin, params.move, params.observer, params.installFlags, 13920 params.installerPackageName, params.volumeUuid, 13921 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13922 params.grantedRuntimePermissions, 13923 params.traceMethod, params.traceCookie, params.certificates); 13924 } 13925 13926 int copyApk(IMediaContainerService imcs, boolean temp) { 13927 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13928 + move.fromUuid + " to " + move.toUuid); 13929 synchronized (mInstaller) { 13930 try { 13931 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13932 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13933 } catch (InstallerException e) { 13934 Slog.w(TAG, "Failed to move app", e); 13935 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13936 } 13937 } 13938 13939 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13940 resourceFile = codeFile; 13941 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13942 13943 return PackageManager.INSTALL_SUCCEEDED; 13944 } 13945 13946 int doPreInstall(int status) { 13947 if (status != PackageManager.INSTALL_SUCCEEDED) { 13948 cleanUp(move.toUuid); 13949 } 13950 return status; 13951 } 13952 13953 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13954 if (status != PackageManager.INSTALL_SUCCEEDED) { 13955 cleanUp(move.toUuid); 13956 return false; 13957 } 13958 13959 // Reflect the move in app info 13960 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13961 pkg.setApplicationInfoCodePath(pkg.codePath); 13962 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13963 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13964 pkg.setApplicationInfoResourcePath(pkg.codePath); 13965 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13966 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13967 13968 return true; 13969 } 13970 13971 int doPostInstall(int status, int uid) { 13972 if (status == PackageManager.INSTALL_SUCCEEDED) { 13973 cleanUp(move.fromUuid); 13974 } else { 13975 cleanUp(move.toUuid); 13976 } 13977 return status; 13978 } 13979 13980 @Override 13981 String getCodePath() { 13982 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13983 } 13984 13985 @Override 13986 String getResourcePath() { 13987 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13988 } 13989 13990 private boolean cleanUp(String volumeUuid) { 13991 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13992 move.dataAppName); 13993 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13994 final int[] userIds = sUserManager.getUserIds(); 13995 synchronized (mInstallLock) { 13996 // Clean up both app data and code 13997 // All package moves are frozen until finished 13998 for (int userId : userIds) { 13999 try { 14000 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14001 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14002 } catch (InstallerException e) { 14003 Slog.w(TAG, String.valueOf(e)); 14004 } 14005 } 14006 removeCodePathLI(codeFile); 14007 } 14008 return true; 14009 } 14010 14011 void cleanUpResourcesLI() { 14012 throw new UnsupportedOperationException(); 14013 } 14014 14015 boolean doPostDeleteLI(boolean delete) { 14016 throw new UnsupportedOperationException(); 14017 } 14018 } 14019 14020 static String getAsecPackageName(String packageCid) { 14021 int idx = packageCid.lastIndexOf("-"); 14022 if (idx == -1) { 14023 return packageCid; 14024 } 14025 return packageCid.substring(0, idx); 14026 } 14027 14028 // Utility method used to create code paths based on package name and available index. 14029 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14030 String idxStr = ""; 14031 int idx = 1; 14032 // Fall back to default value of idx=1 if prefix is not 14033 // part of oldCodePath 14034 if (oldCodePath != null) { 14035 String subStr = oldCodePath; 14036 // Drop the suffix right away 14037 if (suffix != null && subStr.endsWith(suffix)) { 14038 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14039 } 14040 // If oldCodePath already contains prefix find out the 14041 // ending index to either increment or decrement. 14042 int sidx = subStr.lastIndexOf(prefix); 14043 if (sidx != -1) { 14044 subStr = subStr.substring(sidx + prefix.length()); 14045 if (subStr != null) { 14046 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14047 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14048 } 14049 try { 14050 idx = Integer.parseInt(subStr); 14051 if (idx <= 1) { 14052 idx++; 14053 } else { 14054 idx--; 14055 } 14056 } catch(NumberFormatException e) { 14057 } 14058 } 14059 } 14060 } 14061 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14062 return prefix + idxStr; 14063 } 14064 14065 private File getNextCodePath(File targetDir, String packageName) { 14066 int suffix = 1; 14067 File result; 14068 do { 14069 result = new File(targetDir, packageName + "-" + suffix); 14070 suffix++; 14071 } while (result.exists()); 14072 return result; 14073 } 14074 14075 // Utility method that returns the relative package path with respect 14076 // to the installation directory. Like say for /data/data/com.test-1.apk 14077 // string com.test-1 is returned. 14078 static String deriveCodePathName(String codePath) { 14079 if (codePath == null) { 14080 return null; 14081 } 14082 final File codeFile = new File(codePath); 14083 final String name = codeFile.getName(); 14084 if (codeFile.isDirectory()) { 14085 return name; 14086 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14087 final int lastDot = name.lastIndexOf('.'); 14088 return name.substring(0, lastDot); 14089 } else { 14090 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14091 return null; 14092 } 14093 } 14094 14095 static class PackageInstalledInfo { 14096 String name; 14097 int uid; 14098 // The set of users that originally had this package installed. 14099 int[] origUsers; 14100 // The set of users that now have this package installed. 14101 int[] newUsers; 14102 PackageParser.Package pkg; 14103 int returnCode; 14104 String returnMsg; 14105 PackageRemovedInfo removedInfo; 14106 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14107 14108 public void setError(int code, String msg) { 14109 setReturnCode(code); 14110 setReturnMessage(msg); 14111 Slog.w(TAG, msg); 14112 } 14113 14114 public void setError(String msg, PackageParserException e) { 14115 setReturnCode(e.error); 14116 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14117 Slog.w(TAG, msg, e); 14118 } 14119 14120 public void setError(String msg, PackageManagerException e) { 14121 returnCode = e.error; 14122 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14123 Slog.w(TAG, msg, e); 14124 } 14125 14126 public void setReturnCode(int returnCode) { 14127 this.returnCode = returnCode; 14128 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14129 for (int i = 0; i < childCount; i++) { 14130 addedChildPackages.valueAt(i).returnCode = returnCode; 14131 } 14132 } 14133 14134 private void setReturnMessage(String returnMsg) { 14135 this.returnMsg = returnMsg; 14136 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14137 for (int i = 0; i < childCount; i++) { 14138 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14139 } 14140 } 14141 14142 // In some error cases we want to convey more info back to the observer 14143 String origPackage; 14144 String origPermission; 14145 } 14146 14147 /* 14148 * Install a non-existing package. 14149 */ 14150 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14151 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14152 PackageInstalledInfo res) { 14153 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14154 14155 // Remember this for later, in case we need to rollback this install 14156 String pkgName = pkg.packageName; 14157 14158 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14159 14160 synchronized(mPackages) { 14161 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14162 // A package with the same name is already installed, though 14163 // it has been renamed to an older name. The package we 14164 // are trying to install should be installed as an update to 14165 // the existing one, but that has not been requested, so bail. 14166 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14167 + " without first uninstalling package running as " 14168 + mSettings.mRenamedPackages.get(pkgName)); 14169 return; 14170 } 14171 if (mPackages.containsKey(pkgName)) { 14172 // Don't allow installation over an existing package with the same name. 14173 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14174 + " without first uninstalling."); 14175 return; 14176 } 14177 } 14178 14179 try { 14180 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14181 System.currentTimeMillis(), user); 14182 14183 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14184 14185 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14186 prepareAppDataAfterInstallLIF(newPackage); 14187 14188 } else { 14189 // Remove package from internal structures, but keep around any 14190 // data that might have already existed 14191 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14192 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14193 } 14194 } catch (PackageManagerException e) { 14195 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14196 } 14197 14198 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14199 } 14200 14201 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14202 // Can't rotate keys during boot or if sharedUser. 14203 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14204 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14205 return false; 14206 } 14207 // app is using upgradeKeySets; make sure all are valid 14208 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14209 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14210 for (int i = 0; i < upgradeKeySets.length; i++) { 14211 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14212 Slog.wtf(TAG, "Package " 14213 + (oldPs.name != null ? oldPs.name : "<null>") 14214 + " contains upgrade-key-set reference to unknown key-set: " 14215 + upgradeKeySets[i] 14216 + " reverting to signatures check."); 14217 return false; 14218 } 14219 } 14220 return true; 14221 } 14222 14223 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14224 // Upgrade keysets are being used. Determine if new package has a superset of the 14225 // required keys. 14226 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14227 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14228 for (int i = 0; i < upgradeKeySets.length; i++) { 14229 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14230 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14231 return true; 14232 } 14233 } 14234 return false; 14235 } 14236 14237 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14238 try (DigestInputStream digestStream = 14239 new DigestInputStream(new FileInputStream(file), digest)) { 14240 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14241 } 14242 } 14243 14244 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14245 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14246 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14247 14248 final PackageParser.Package oldPackage; 14249 final String pkgName = pkg.packageName; 14250 final int[] allUsers; 14251 final int[] installedUsers; 14252 14253 synchronized(mPackages) { 14254 oldPackage = mPackages.get(pkgName); 14255 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14256 14257 // don't allow upgrade to target a release SDK from a pre-release SDK 14258 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14259 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14260 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14261 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14262 if (oldTargetsPreRelease 14263 && !newTargetsPreRelease 14264 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14265 Slog.w(TAG, "Can't install package targeting released sdk"); 14266 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14267 return; 14268 } 14269 14270 // don't allow an upgrade from full to ephemeral 14271 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14272 if (isEphemeral && !oldIsEphemeral) { 14273 // can't downgrade from full to ephemeral 14274 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14275 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14276 return; 14277 } 14278 14279 // verify signatures are valid 14280 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14281 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14282 if (!checkUpgradeKeySetLP(ps, pkg)) { 14283 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14284 "New package not signed by keys specified by upgrade-keysets: " 14285 + pkgName); 14286 return; 14287 } 14288 } else { 14289 // default to original signature matching 14290 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14291 != PackageManager.SIGNATURE_MATCH) { 14292 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14293 "New package has a different signature: " + pkgName); 14294 return; 14295 } 14296 } 14297 14298 // don't allow a system upgrade unless the upgrade hash matches 14299 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14300 byte[] digestBytes = null; 14301 try { 14302 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14303 updateDigest(digest, new File(pkg.baseCodePath)); 14304 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14305 for (String path : pkg.splitCodePaths) { 14306 updateDigest(digest, new File(path)); 14307 } 14308 } 14309 digestBytes = digest.digest(); 14310 } catch (NoSuchAlgorithmException | IOException e) { 14311 res.setError(INSTALL_FAILED_INVALID_APK, 14312 "Could not compute hash: " + pkgName); 14313 return; 14314 } 14315 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14316 res.setError(INSTALL_FAILED_INVALID_APK, 14317 "New package fails restrict-update check: " + pkgName); 14318 return; 14319 } 14320 // retain upgrade restriction 14321 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14322 } 14323 14324 // Check for shared user id changes 14325 String invalidPackageName = 14326 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14327 if (invalidPackageName != null) { 14328 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14329 "Package " + invalidPackageName + " tried to change user " 14330 + oldPackage.mSharedUserId); 14331 return; 14332 } 14333 14334 // In case of rollback, remember per-user/profile install state 14335 allUsers = sUserManager.getUserIds(); 14336 installedUsers = ps.queryInstalledUsers(allUsers, true); 14337 } 14338 14339 // Update what is removed 14340 res.removedInfo = new PackageRemovedInfo(); 14341 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14342 res.removedInfo.removedPackage = oldPackage.packageName; 14343 res.removedInfo.isUpdate = true; 14344 res.removedInfo.origUsers = installedUsers; 14345 final int childCount = (oldPackage.childPackages != null) 14346 ? oldPackage.childPackages.size() : 0; 14347 for (int i = 0; i < childCount; i++) { 14348 boolean childPackageUpdated = false; 14349 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14350 if (res.addedChildPackages != null) { 14351 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14352 if (childRes != null) { 14353 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14354 childRes.removedInfo.removedPackage = childPkg.packageName; 14355 childRes.removedInfo.isUpdate = true; 14356 childPackageUpdated = true; 14357 } 14358 } 14359 if (!childPackageUpdated) { 14360 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14361 childRemovedRes.removedPackage = childPkg.packageName; 14362 childRemovedRes.isUpdate = false; 14363 childRemovedRes.dataRemoved = true; 14364 synchronized (mPackages) { 14365 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14366 if (childPs != null) { 14367 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14368 } 14369 } 14370 if (res.removedInfo.removedChildPackages == null) { 14371 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14372 } 14373 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14374 } 14375 } 14376 14377 boolean sysPkg = (isSystemApp(oldPackage)); 14378 if (sysPkg) { 14379 // Set the system/privileged flags as needed 14380 final boolean privileged = 14381 (oldPackage.applicationInfo.privateFlags 14382 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14383 final int systemPolicyFlags = policyFlags 14384 | PackageParser.PARSE_IS_SYSTEM 14385 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14386 14387 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14388 user, allUsers, installerPackageName, res); 14389 } else { 14390 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14391 user, allUsers, installerPackageName, res); 14392 } 14393 } 14394 14395 public List<String> getPreviousCodePaths(String packageName) { 14396 final PackageSetting ps = mSettings.mPackages.get(packageName); 14397 final List<String> result = new ArrayList<String>(); 14398 if (ps != null && ps.oldCodePaths != null) { 14399 result.addAll(ps.oldCodePaths); 14400 } 14401 return result; 14402 } 14403 14404 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14405 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14406 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14407 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14408 + deletedPackage); 14409 14410 String pkgName = deletedPackage.packageName; 14411 boolean deletedPkg = true; 14412 boolean addedPkg = false; 14413 boolean updatedSettings = false; 14414 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14415 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14416 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14417 14418 final long origUpdateTime = (pkg.mExtras != null) 14419 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14420 14421 // First delete the existing package while retaining the data directory 14422 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14423 res.removedInfo, true, pkg)) { 14424 // If the existing package wasn't successfully deleted 14425 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14426 deletedPkg = false; 14427 } else { 14428 // Successfully deleted the old package; proceed with replace. 14429 14430 // If deleted package lived in a container, give users a chance to 14431 // relinquish resources before killing. 14432 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14433 if (DEBUG_INSTALL) { 14434 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14435 } 14436 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14437 final ArrayList<String> pkgList = new ArrayList<String>(1); 14438 pkgList.add(deletedPackage.applicationInfo.packageName); 14439 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14440 } 14441 14442 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14443 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14444 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14445 14446 try { 14447 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14448 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14449 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14450 14451 // Update the in-memory copy of the previous code paths. 14452 PackageSetting ps = mSettings.mPackages.get(pkgName); 14453 if (!killApp) { 14454 if (ps.oldCodePaths == null) { 14455 ps.oldCodePaths = new ArraySet<>(); 14456 } 14457 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14458 if (deletedPackage.splitCodePaths != null) { 14459 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14460 } 14461 } else { 14462 ps.oldCodePaths = null; 14463 } 14464 if (ps.childPackageNames != null) { 14465 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14466 final String childPkgName = ps.childPackageNames.get(i); 14467 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14468 childPs.oldCodePaths = ps.oldCodePaths; 14469 } 14470 } 14471 prepareAppDataAfterInstallLIF(newPackage); 14472 addedPkg = true; 14473 } catch (PackageManagerException e) { 14474 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14475 } 14476 } 14477 14478 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14479 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14480 14481 // Revert all internal state mutations and added folders for the failed install 14482 if (addedPkg) { 14483 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14484 res.removedInfo, true, null); 14485 } 14486 14487 // Restore the old package 14488 if (deletedPkg) { 14489 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14490 File restoreFile = new File(deletedPackage.codePath); 14491 // Parse old package 14492 boolean oldExternal = isExternal(deletedPackage); 14493 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14494 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14495 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14496 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14497 try { 14498 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14499 null); 14500 } catch (PackageManagerException e) { 14501 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14502 + e.getMessage()); 14503 return; 14504 } 14505 14506 synchronized (mPackages) { 14507 // Ensure the installer package name up to date 14508 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14509 14510 // Update permissions for restored package 14511 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14512 14513 mSettings.writeLPr(); 14514 } 14515 14516 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14517 } 14518 } else { 14519 synchronized (mPackages) { 14520 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14521 if (ps != null) { 14522 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14523 if (res.removedInfo.removedChildPackages != null) { 14524 final int childCount = res.removedInfo.removedChildPackages.size(); 14525 // Iterate in reverse as we may modify the collection 14526 for (int i = childCount - 1; i >= 0; i--) { 14527 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14528 if (res.addedChildPackages.containsKey(childPackageName)) { 14529 res.removedInfo.removedChildPackages.removeAt(i); 14530 } else { 14531 PackageRemovedInfo childInfo = res.removedInfo 14532 .removedChildPackages.valueAt(i); 14533 childInfo.removedForAllUsers = mPackages.get( 14534 childInfo.removedPackage) == null; 14535 } 14536 } 14537 } 14538 } 14539 } 14540 } 14541 } 14542 14543 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14544 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14545 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14546 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14547 + ", old=" + deletedPackage); 14548 14549 final boolean disabledSystem; 14550 14551 // Remove existing system package 14552 removePackageLI(deletedPackage, true); 14553 14554 synchronized (mPackages) { 14555 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14556 } 14557 if (!disabledSystem) { 14558 // We didn't need to disable the .apk as a current system package, 14559 // which means we are replacing another update that is already 14560 // installed. We need to make sure to delete the older one's .apk. 14561 res.removedInfo.args = createInstallArgsForExisting(0, 14562 deletedPackage.applicationInfo.getCodePath(), 14563 deletedPackage.applicationInfo.getResourcePath(), 14564 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14565 } else { 14566 res.removedInfo.args = null; 14567 } 14568 14569 // Successfully disabled the old package. Now proceed with re-installation 14570 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14571 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14572 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14573 14574 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14575 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14576 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14577 14578 PackageParser.Package newPackage = null; 14579 try { 14580 // Add the package to the internal data structures 14581 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14582 14583 // Set the update and install times 14584 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14585 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14586 System.currentTimeMillis()); 14587 14588 // Update the package dynamic state if succeeded 14589 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14590 // Now that the install succeeded make sure we remove data 14591 // directories for any child package the update removed. 14592 final int deletedChildCount = (deletedPackage.childPackages != null) 14593 ? deletedPackage.childPackages.size() : 0; 14594 final int newChildCount = (newPackage.childPackages != null) 14595 ? newPackage.childPackages.size() : 0; 14596 for (int i = 0; i < deletedChildCount; i++) { 14597 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14598 boolean childPackageDeleted = true; 14599 for (int j = 0; j < newChildCount; j++) { 14600 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14601 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14602 childPackageDeleted = false; 14603 break; 14604 } 14605 } 14606 if (childPackageDeleted) { 14607 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14608 deletedChildPkg.packageName); 14609 if (ps != null && res.removedInfo.removedChildPackages != null) { 14610 PackageRemovedInfo removedChildRes = res.removedInfo 14611 .removedChildPackages.get(deletedChildPkg.packageName); 14612 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14613 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14614 } 14615 } 14616 } 14617 14618 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14619 prepareAppDataAfterInstallLIF(newPackage); 14620 } 14621 } catch (PackageManagerException e) { 14622 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14623 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14624 } 14625 14626 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14627 // Re installation failed. Restore old information 14628 // Remove new pkg information 14629 if (newPackage != null) { 14630 removeInstalledPackageLI(newPackage, true); 14631 } 14632 // Add back the old system package 14633 try { 14634 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14635 } catch (PackageManagerException e) { 14636 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14637 } 14638 14639 synchronized (mPackages) { 14640 if (disabledSystem) { 14641 enableSystemPackageLPw(deletedPackage); 14642 } 14643 14644 // Ensure the installer package name up to date 14645 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14646 14647 // Update permissions for restored package 14648 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14649 14650 mSettings.writeLPr(); 14651 } 14652 14653 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14654 + " after failed upgrade"); 14655 } 14656 } 14657 14658 /** 14659 * Checks whether the parent or any of the child packages have a change shared 14660 * user. For a package to be a valid update the shred users of the parent and 14661 * the children should match. We may later support changing child shared users. 14662 * @param oldPkg The updated package. 14663 * @param newPkg The update package. 14664 * @return The shared user that change between the versions. 14665 */ 14666 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14667 PackageParser.Package newPkg) { 14668 // Check parent shared user 14669 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14670 return newPkg.packageName; 14671 } 14672 // Check child shared users 14673 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14674 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14675 for (int i = 0; i < newChildCount; i++) { 14676 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14677 // If this child was present, did it have the same shared user? 14678 for (int j = 0; j < oldChildCount; j++) { 14679 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14680 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14681 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14682 return newChildPkg.packageName; 14683 } 14684 } 14685 } 14686 return null; 14687 } 14688 14689 private void removeNativeBinariesLI(PackageSetting ps) { 14690 // Remove the lib path for the parent package 14691 if (ps != null) { 14692 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14693 // Remove the lib path for the child packages 14694 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14695 for (int i = 0; i < childCount; i++) { 14696 PackageSetting childPs = null; 14697 synchronized (mPackages) { 14698 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14699 } 14700 if (childPs != null) { 14701 NativeLibraryHelper.removeNativeBinariesLI(childPs 14702 .legacyNativeLibraryPathString); 14703 } 14704 } 14705 } 14706 } 14707 14708 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14709 // Enable the parent package 14710 mSettings.enableSystemPackageLPw(pkg.packageName); 14711 // Enable the child packages 14712 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14713 for (int i = 0; i < childCount; i++) { 14714 PackageParser.Package childPkg = pkg.childPackages.get(i); 14715 mSettings.enableSystemPackageLPw(childPkg.packageName); 14716 } 14717 } 14718 14719 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14720 PackageParser.Package newPkg) { 14721 // Disable the parent package (parent always replaced) 14722 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14723 // Disable the child packages 14724 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14725 for (int i = 0; i < childCount; i++) { 14726 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14727 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14728 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14729 } 14730 return disabled; 14731 } 14732 14733 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14734 String installerPackageName) { 14735 // Enable the parent package 14736 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14737 // Enable the child packages 14738 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14739 for (int i = 0; i < childCount; i++) { 14740 PackageParser.Package childPkg = pkg.childPackages.get(i); 14741 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14742 } 14743 } 14744 14745 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14746 // Collect all used permissions in the UID 14747 ArraySet<String> usedPermissions = new ArraySet<>(); 14748 final int packageCount = su.packages.size(); 14749 for (int i = 0; i < packageCount; i++) { 14750 PackageSetting ps = su.packages.valueAt(i); 14751 if (ps.pkg == null) { 14752 continue; 14753 } 14754 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14755 for (int j = 0; j < requestedPermCount; j++) { 14756 String permission = ps.pkg.requestedPermissions.get(j); 14757 BasePermission bp = mSettings.mPermissions.get(permission); 14758 if (bp != null) { 14759 usedPermissions.add(permission); 14760 } 14761 } 14762 } 14763 14764 PermissionsState permissionsState = su.getPermissionsState(); 14765 // Prune install permissions 14766 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14767 final int installPermCount = installPermStates.size(); 14768 for (int i = installPermCount - 1; i >= 0; i--) { 14769 PermissionState permissionState = installPermStates.get(i); 14770 if (!usedPermissions.contains(permissionState.getName())) { 14771 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14772 if (bp != null) { 14773 permissionsState.revokeInstallPermission(bp); 14774 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14775 PackageManager.MASK_PERMISSION_FLAGS, 0); 14776 } 14777 } 14778 } 14779 14780 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14781 14782 // Prune runtime permissions 14783 for (int userId : allUserIds) { 14784 List<PermissionState> runtimePermStates = permissionsState 14785 .getRuntimePermissionStates(userId); 14786 final int runtimePermCount = runtimePermStates.size(); 14787 for (int i = runtimePermCount - 1; i >= 0; i--) { 14788 PermissionState permissionState = runtimePermStates.get(i); 14789 if (!usedPermissions.contains(permissionState.getName())) { 14790 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14791 if (bp != null) { 14792 permissionsState.revokeRuntimePermission(bp, userId); 14793 permissionsState.updatePermissionFlags(bp, userId, 14794 PackageManager.MASK_PERMISSION_FLAGS, 0); 14795 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14796 runtimePermissionChangedUserIds, userId); 14797 } 14798 } 14799 } 14800 } 14801 14802 return runtimePermissionChangedUserIds; 14803 } 14804 14805 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14806 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14807 // Update the parent package setting 14808 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14809 res, user); 14810 // Update the child packages setting 14811 final int childCount = (newPackage.childPackages != null) 14812 ? newPackage.childPackages.size() : 0; 14813 for (int i = 0; i < childCount; i++) { 14814 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14815 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14816 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14817 childRes.origUsers, childRes, user); 14818 } 14819 } 14820 14821 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14822 String installerPackageName, int[] allUsers, int[] installedForUsers, 14823 PackageInstalledInfo res, UserHandle user) { 14824 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14825 14826 String pkgName = newPackage.packageName; 14827 synchronized (mPackages) { 14828 //write settings. the installStatus will be incomplete at this stage. 14829 //note that the new package setting would have already been 14830 //added to mPackages. It hasn't been persisted yet. 14831 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14832 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14833 mSettings.writeLPr(); 14834 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14835 } 14836 14837 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14838 synchronized (mPackages) { 14839 updatePermissionsLPw(newPackage.packageName, newPackage, 14840 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14841 ? UPDATE_PERMISSIONS_ALL : 0)); 14842 // For system-bundled packages, we assume that installing an upgraded version 14843 // of the package implies that the user actually wants to run that new code, 14844 // so we enable the package. 14845 PackageSetting ps = mSettings.mPackages.get(pkgName); 14846 final int userId = user.getIdentifier(); 14847 if (ps != null) { 14848 if (isSystemApp(newPackage)) { 14849 if (DEBUG_INSTALL) { 14850 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14851 } 14852 // Enable system package for requested users 14853 if (res.origUsers != null) { 14854 for (int origUserId : res.origUsers) { 14855 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14856 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14857 origUserId, installerPackageName); 14858 } 14859 } 14860 } 14861 // Also convey the prior install/uninstall state 14862 if (allUsers != null && installedForUsers != null) { 14863 for (int currentUserId : allUsers) { 14864 final boolean installed = ArrayUtils.contains( 14865 installedForUsers, currentUserId); 14866 if (DEBUG_INSTALL) { 14867 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14868 } 14869 ps.setInstalled(installed, currentUserId); 14870 } 14871 // these install state changes will be persisted in the 14872 // upcoming call to mSettings.writeLPr(). 14873 } 14874 } 14875 // It's implied that when a user requests installation, they want the app to be 14876 // installed and enabled. 14877 if (userId != UserHandle.USER_ALL) { 14878 ps.setInstalled(true, userId); 14879 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14880 } 14881 } 14882 res.name = pkgName; 14883 res.uid = newPackage.applicationInfo.uid; 14884 res.pkg = newPackage; 14885 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14886 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14887 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14888 //to update install status 14889 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14890 mSettings.writeLPr(); 14891 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14892 } 14893 14894 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14895 } 14896 14897 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14898 try { 14899 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14900 installPackageLI(args, res); 14901 } finally { 14902 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14903 } 14904 } 14905 14906 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14907 final int installFlags = args.installFlags; 14908 final String installerPackageName = args.installerPackageName; 14909 final String volumeUuid = args.volumeUuid; 14910 final File tmpPackageFile = new File(args.getCodePath()); 14911 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14912 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14913 || (args.volumeUuid != null)); 14914 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14915 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14916 boolean replace = false; 14917 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14918 if (args.move != null) { 14919 // moving a complete application; perform an initial scan on the new install location 14920 scanFlags |= SCAN_INITIAL; 14921 } 14922 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14923 scanFlags |= SCAN_DONT_KILL_APP; 14924 } 14925 14926 // Result object to be returned 14927 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14928 14929 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14930 14931 // Sanity check 14932 if (ephemeral && (forwardLocked || onExternal)) { 14933 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14934 + " external=" + onExternal); 14935 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14936 return; 14937 } 14938 14939 // Retrieve PackageSettings and parse package 14940 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14941 | PackageParser.PARSE_ENFORCE_CODE 14942 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14943 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14944 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14945 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14946 PackageParser pp = new PackageParser(); 14947 pp.setSeparateProcesses(mSeparateProcesses); 14948 pp.setDisplayMetrics(mMetrics); 14949 14950 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14951 final PackageParser.Package pkg; 14952 try { 14953 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14954 } catch (PackageParserException e) { 14955 res.setError("Failed parse during installPackageLI", e); 14956 return; 14957 } finally { 14958 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14959 } 14960 14961 // If we are installing a clustered package add results for the children 14962 if (pkg.childPackages != null) { 14963 synchronized (mPackages) { 14964 final int childCount = pkg.childPackages.size(); 14965 for (int i = 0; i < childCount; i++) { 14966 PackageParser.Package childPkg = pkg.childPackages.get(i); 14967 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14968 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14969 childRes.pkg = childPkg; 14970 childRes.name = childPkg.packageName; 14971 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14972 if (childPs != null) { 14973 childRes.origUsers = childPs.queryInstalledUsers( 14974 sUserManager.getUserIds(), true); 14975 } 14976 if ((mPackages.containsKey(childPkg.packageName))) { 14977 childRes.removedInfo = new PackageRemovedInfo(); 14978 childRes.removedInfo.removedPackage = childPkg.packageName; 14979 } 14980 if (res.addedChildPackages == null) { 14981 res.addedChildPackages = new ArrayMap<>(); 14982 } 14983 res.addedChildPackages.put(childPkg.packageName, childRes); 14984 } 14985 } 14986 } 14987 14988 // If package doesn't declare API override, mark that we have an install 14989 // time CPU ABI override. 14990 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14991 pkg.cpuAbiOverride = args.abiOverride; 14992 } 14993 14994 String pkgName = res.name = pkg.packageName; 14995 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14996 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14997 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14998 return; 14999 } 15000 } 15001 15002 try { 15003 // either use what we've been given or parse directly from the APK 15004 if (args.certificates != null) { 15005 try { 15006 PackageParser.populateCertificates(pkg, args.certificates); 15007 } catch (PackageParserException e) { 15008 // there was something wrong with the certificates we were given; 15009 // try to pull them from the APK 15010 PackageParser.collectCertificates(pkg, parseFlags); 15011 } 15012 } else { 15013 PackageParser.collectCertificates(pkg, parseFlags); 15014 } 15015 } catch (PackageParserException e) { 15016 res.setError("Failed collect during installPackageLI", e); 15017 return; 15018 } 15019 15020 // Get rid of all references to package scan path via parser. 15021 pp = null; 15022 String oldCodePath = null; 15023 boolean systemApp = false; 15024 synchronized (mPackages) { 15025 // Check if installing already existing package 15026 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15027 String oldName = mSettings.mRenamedPackages.get(pkgName); 15028 if (pkg.mOriginalPackages != null 15029 && pkg.mOriginalPackages.contains(oldName) 15030 && mPackages.containsKey(oldName)) { 15031 // This package is derived from an original package, 15032 // and this device has been updating from that original 15033 // name. We must continue using the original name, so 15034 // rename the new package here. 15035 pkg.setPackageName(oldName); 15036 pkgName = pkg.packageName; 15037 replace = true; 15038 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15039 + oldName + " pkgName=" + pkgName); 15040 } else if (mPackages.containsKey(pkgName)) { 15041 // This package, under its official name, already exists 15042 // on the device; we should replace it. 15043 replace = true; 15044 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15045 } 15046 15047 // Child packages are installed through the parent package 15048 if (pkg.parentPackage != null) { 15049 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15050 "Package " + pkg.packageName + " is child of package " 15051 + pkg.parentPackage.parentPackage + ". Child packages " 15052 + "can be updated only through the parent package."); 15053 return; 15054 } 15055 15056 if (replace) { 15057 // Prevent apps opting out from runtime permissions 15058 PackageParser.Package oldPackage = mPackages.get(pkgName); 15059 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15060 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15061 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15062 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15063 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15064 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15065 + " doesn't support runtime permissions but the old" 15066 + " target SDK " + oldTargetSdk + " does."); 15067 return; 15068 } 15069 15070 // Prevent installing of child packages 15071 if (oldPackage.parentPackage != null) { 15072 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15073 "Package " + pkg.packageName + " is child of package " 15074 + oldPackage.parentPackage + ". Child packages " 15075 + "can be updated only through the parent package."); 15076 return; 15077 } 15078 } 15079 } 15080 15081 PackageSetting ps = mSettings.mPackages.get(pkgName); 15082 if (ps != null) { 15083 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15084 15085 // Quick sanity check that we're signed correctly if updating; 15086 // we'll check this again later when scanning, but we want to 15087 // bail early here before tripping over redefined permissions. 15088 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15089 if (!checkUpgradeKeySetLP(ps, pkg)) { 15090 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15091 + pkg.packageName + " upgrade keys do not match the " 15092 + "previously installed version"); 15093 return; 15094 } 15095 } else { 15096 try { 15097 verifySignaturesLP(ps, pkg); 15098 } catch (PackageManagerException e) { 15099 res.setError(e.error, e.getMessage()); 15100 return; 15101 } 15102 } 15103 15104 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15105 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15106 systemApp = (ps.pkg.applicationInfo.flags & 15107 ApplicationInfo.FLAG_SYSTEM) != 0; 15108 } 15109 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15110 } 15111 15112 // Check whether the newly-scanned package wants to define an already-defined perm 15113 int N = pkg.permissions.size(); 15114 for (int i = N-1; i >= 0; i--) { 15115 PackageParser.Permission perm = pkg.permissions.get(i); 15116 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15117 if (bp != null) { 15118 // If the defining package is signed with our cert, it's okay. This 15119 // also includes the "updating the same package" case, of course. 15120 // "updating same package" could also involve key-rotation. 15121 final boolean sigsOk; 15122 if (bp.sourcePackage.equals(pkg.packageName) 15123 && (bp.packageSetting instanceof PackageSetting) 15124 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15125 scanFlags))) { 15126 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15127 } else { 15128 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15129 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15130 } 15131 if (!sigsOk) { 15132 // If the owning package is the system itself, we log but allow 15133 // install to proceed; we fail the install on all other permission 15134 // redefinitions. 15135 if (!bp.sourcePackage.equals("android")) { 15136 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15137 + pkg.packageName + " attempting to redeclare permission " 15138 + perm.info.name + " already owned by " + bp.sourcePackage); 15139 res.origPermission = perm.info.name; 15140 res.origPackage = bp.sourcePackage; 15141 return; 15142 } else { 15143 Slog.w(TAG, "Package " + pkg.packageName 15144 + " attempting to redeclare system permission " 15145 + perm.info.name + "; ignoring new declaration"); 15146 pkg.permissions.remove(i); 15147 } 15148 } 15149 } 15150 } 15151 } 15152 15153 if (systemApp) { 15154 if (onExternal) { 15155 // Abort update; system app can't be replaced with app on sdcard 15156 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15157 "Cannot install updates to system apps on sdcard"); 15158 return; 15159 } else if (ephemeral) { 15160 // Abort update; system app can't be replaced with an ephemeral app 15161 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15162 "Cannot update a system app with an ephemeral app"); 15163 return; 15164 } 15165 } 15166 15167 if (args.move != null) { 15168 // We did an in-place move, so dex is ready to roll 15169 scanFlags |= SCAN_NO_DEX; 15170 scanFlags |= SCAN_MOVE; 15171 15172 synchronized (mPackages) { 15173 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15174 if (ps == null) { 15175 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15176 "Missing settings for moved package " + pkgName); 15177 } 15178 15179 // We moved the entire application as-is, so bring over the 15180 // previously derived ABI information. 15181 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15182 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15183 } 15184 15185 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15186 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15187 scanFlags |= SCAN_NO_DEX; 15188 15189 try { 15190 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15191 args.abiOverride : pkg.cpuAbiOverride); 15192 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15193 true /* extract libs */); 15194 } catch (PackageManagerException pme) { 15195 Slog.e(TAG, "Error deriving application ABI", pme); 15196 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15197 return; 15198 } 15199 15200 // Shared libraries for the package need to be updated. 15201 synchronized (mPackages) { 15202 try { 15203 updateSharedLibrariesLPw(pkg, null); 15204 } catch (PackageManagerException e) { 15205 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15206 } 15207 } 15208 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15209 // Do not run PackageDexOptimizer through the local performDexOpt 15210 // method because `pkg` may not be in `mPackages` yet. 15211 // 15212 // Also, don't fail application installs if the dexopt step fails. 15213 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15214 null /* instructionSets */, false /* checkProfiles */, 15215 getCompilerFilterForReason(REASON_INSTALL)); 15216 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15217 15218 // Notify BackgroundDexOptService that the package has been changed. 15219 // If this is an update of a package which used to fail to compile, 15220 // BDOS will remove it from its blacklist. 15221 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15222 } 15223 15224 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15225 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15226 return; 15227 } 15228 15229 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15230 15231 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15232 "installPackageLI")) { 15233 if (replace) { 15234 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15235 installerPackageName, res); 15236 } else { 15237 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15238 args.user, installerPackageName, volumeUuid, res); 15239 } 15240 } 15241 synchronized (mPackages) { 15242 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15243 if (ps != null) { 15244 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15245 } 15246 15247 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15248 for (int i = 0; i < childCount; i++) { 15249 PackageParser.Package childPkg = pkg.childPackages.get(i); 15250 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15251 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15252 if (childPs != null) { 15253 childRes.newUsers = childPs.queryInstalledUsers( 15254 sUserManager.getUserIds(), true); 15255 } 15256 } 15257 } 15258 } 15259 15260 private void startIntentFilterVerifications(int userId, boolean replacing, 15261 PackageParser.Package pkg) { 15262 if (mIntentFilterVerifierComponent == null) { 15263 Slog.w(TAG, "No IntentFilter verification will not be done as " 15264 + "there is no IntentFilterVerifier available!"); 15265 return; 15266 } 15267 15268 final int verifierUid = getPackageUid( 15269 mIntentFilterVerifierComponent.getPackageName(), 15270 MATCH_DEBUG_TRIAGED_MISSING, 15271 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15272 15273 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15274 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15275 mHandler.sendMessage(msg); 15276 15277 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15278 for (int i = 0; i < childCount; i++) { 15279 PackageParser.Package childPkg = pkg.childPackages.get(i); 15280 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15281 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15282 mHandler.sendMessage(msg); 15283 } 15284 } 15285 15286 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15287 PackageParser.Package pkg) { 15288 int size = pkg.activities.size(); 15289 if (size == 0) { 15290 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15291 "No activity, so no need to verify any IntentFilter!"); 15292 return; 15293 } 15294 15295 final boolean hasDomainURLs = hasDomainURLs(pkg); 15296 if (!hasDomainURLs) { 15297 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15298 "No domain URLs, so no need to verify any IntentFilter!"); 15299 return; 15300 } 15301 15302 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15303 + " if any IntentFilter from the " + size 15304 + " Activities needs verification ..."); 15305 15306 int count = 0; 15307 final String packageName = pkg.packageName; 15308 15309 synchronized (mPackages) { 15310 // If this is a new install and we see that we've already run verification for this 15311 // package, we have nothing to do: it means the state was restored from backup. 15312 if (!replacing) { 15313 IntentFilterVerificationInfo ivi = 15314 mSettings.getIntentFilterVerificationLPr(packageName); 15315 if (ivi != null) { 15316 if (DEBUG_DOMAIN_VERIFICATION) { 15317 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15318 + ivi.getStatusString()); 15319 } 15320 return; 15321 } 15322 } 15323 15324 // If any filters need to be verified, then all need to be. 15325 boolean needToVerify = false; 15326 for (PackageParser.Activity a : pkg.activities) { 15327 for (ActivityIntentInfo filter : a.intents) { 15328 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15329 if (DEBUG_DOMAIN_VERIFICATION) { 15330 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15331 } 15332 needToVerify = true; 15333 break; 15334 } 15335 } 15336 } 15337 15338 if (needToVerify) { 15339 final int verificationId = mIntentFilterVerificationToken++; 15340 for (PackageParser.Activity a : pkg.activities) { 15341 for (ActivityIntentInfo filter : a.intents) { 15342 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15343 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15344 "Verification needed for IntentFilter:" + filter.toString()); 15345 mIntentFilterVerifier.addOneIntentFilterVerification( 15346 verifierUid, userId, verificationId, filter, packageName); 15347 count++; 15348 } 15349 } 15350 } 15351 } 15352 } 15353 15354 if (count > 0) { 15355 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15356 + " IntentFilter verification" + (count > 1 ? "s" : "") 15357 + " for userId:" + userId); 15358 mIntentFilterVerifier.startVerifications(userId); 15359 } else { 15360 if (DEBUG_DOMAIN_VERIFICATION) { 15361 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15362 } 15363 } 15364 } 15365 15366 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15367 final ComponentName cn = filter.activity.getComponentName(); 15368 final String packageName = cn.getPackageName(); 15369 15370 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15371 packageName); 15372 if (ivi == null) { 15373 return true; 15374 } 15375 int status = ivi.getStatus(); 15376 switch (status) { 15377 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15378 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15379 return true; 15380 15381 default: 15382 // Nothing to do 15383 return false; 15384 } 15385 } 15386 15387 private static boolean isMultiArch(ApplicationInfo info) { 15388 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15389 } 15390 15391 private static boolean isExternal(PackageParser.Package pkg) { 15392 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15393 } 15394 15395 private static boolean isExternal(PackageSetting ps) { 15396 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15397 } 15398 15399 private static boolean isEphemeral(PackageParser.Package pkg) { 15400 return pkg.applicationInfo.isEphemeralApp(); 15401 } 15402 15403 private static boolean isEphemeral(PackageSetting ps) { 15404 return ps.pkg != null && isEphemeral(ps.pkg); 15405 } 15406 15407 private static boolean isSystemApp(PackageParser.Package pkg) { 15408 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15409 } 15410 15411 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15412 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15413 } 15414 15415 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15416 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15417 } 15418 15419 private static boolean isSystemApp(PackageSetting ps) { 15420 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15421 } 15422 15423 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15424 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15425 } 15426 15427 private int packageFlagsToInstallFlags(PackageSetting ps) { 15428 int installFlags = 0; 15429 if (isEphemeral(ps)) { 15430 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15431 } 15432 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15433 // This existing package was an external ASEC install when we have 15434 // the external flag without a UUID 15435 installFlags |= PackageManager.INSTALL_EXTERNAL; 15436 } 15437 if (ps.isForwardLocked()) { 15438 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15439 } 15440 return installFlags; 15441 } 15442 15443 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15444 if (isExternal(pkg)) { 15445 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15446 return StorageManager.UUID_PRIMARY_PHYSICAL; 15447 } else { 15448 return pkg.volumeUuid; 15449 } 15450 } else { 15451 return StorageManager.UUID_PRIVATE_INTERNAL; 15452 } 15453 } 15454 15455 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15456 if (isExternal(pkg)) { 15457 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15458 return mSettings.getExternalVersion(); 15459 } else { 15460 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15461 } 15462 } else { 15463 return mSettings.getInternalVersion(); 15464 } 15465 } 15466 15467 private void deleteTempPackageFiles() { 15468 final FilenameFilter filter = new FilenameFilter() { 15469 public boolean accept(File dir, String name) { 15470 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15471 } 15472 }; 15473 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15474 file.delete(); 15475 } 15476 } 15477 15478 @Override 15479 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15480 int flags) { 15481 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15482 flags); 15483 } 15484 15485 @Override 15486 public void deletePackage(final String packageName, 15487 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15488 mContext.enforceCallingOrSelfPermission( 15489 android.Manifest.permission.DELETE_PACKAGES, null); 15490 Preconditions.checkNotNull(packageName); 15491 Preconditions.checkNotNull(observer); 15492 final int uid = Binder.getCallingUid(); 15493 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15494 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15495 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15496 mContext.enforceCallingOrSelfPermission( 15497 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15498 "deletePackage for user " + userId); 15499 } 15500 15501 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15502 try { 15503 observer.onPackageDeleted(packageName, 15504 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15505 } catch (RemoteException re) { 15506 } 15507 return; 15508 } 15509 15510 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15511 try { 15512 observer.onPackageDeleted(packageName, 15513 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15514 } catch (RemoteException re) { 15515 } 15516 return; 15517 } 15518 15519 if (DEBUG_REMOVE) { 15520 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15521 + " deleteAllUsers: " + deleteAllUsers ); 15522 } 15523 // Queue up an async operation since the package deletion may take a little while. 15524 mHandler.post(new Runnable() { 15525 public void run() { 15526 mHandler.removeCallbacks(this); 15527 int returnCode; 15528 if (!deleteAllUsers) { 15529 returnCode = deletePackageX(packageName, userId, deleteFlags); 15530 } else { 15531 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15532 // If nobody is blocking uninstall, proceed with delete for all users 15533 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15534 returnCode = deletePackageX(packageName, userId, deleteFlags); 15535 } else { 15536 // Otherwise uninstall individually for users with blockUninstalls=false 15537 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15538 for (int userId : users) { 15539 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15540 returnCode = deletePackageX(packageName, userId, userFlags); 15541 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15542 Slog.w(TAG, "Package delete failed for user " + userId 15543 + ", returnCode " + returnCode); 15544 } 15545 } 15546 } 15547 // The app has only been marked uninstalled for certain users. 15548 // We still need to report that delete was blocked 15549 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15550 } 15551 } 15552 try { 15553 observer.onPackageDeleted(packageName, returnCode, null); 15554 } catch (RemoteException e) { 15555 Log.i(TAG, "Observer no longer exists."); 15556 } //end catch 15557 } //end run 15558 }); 15559 } 15560 15561 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15562 int[] result = EMPTY_INT_ARRAY; 15563 for (int userId : userIds) { 15564 if (getBlockUninstallForUser(packageName, userId)) { 15565 result = ArrayUtils.appendInt(result, userId); 15566 } 15567 } 15568 return result; 15569 } 15570 15571 @Override 15572 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15573 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15574 } 15575 15576 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15577 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15578 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15579 try { 15580 if (dpm != null) { 15581 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15582 /* callingUserOnly =*/ false); 15583 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15584 : deviceOwnerComponentName.getPackageName(); 15585 // Does the package contains the device owner? 15586 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15587 // this check is probably not needed, since DO should be registered as a device 15588 // admin on some user too. (Original bug for this: b/17657954) 15589 if (packageName.equals(deviceOwnerPackageName)) { 15590 return true; 15591 } 15592 // Does it contain a device admin for any user? 15593 int[] users; 15594 if (userId == UserHandle.USER_ALL) { 15595 users = sUserManager.getUserIds(); 15596 } else { 15597 users = new int[]{userId}; 15598 } 15599 for (int i = 0; i < users.length; ++i) { 15600 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15601 return true; 15602 } 15603 } 15604 } 15605 } catch (RemoteException e) { 15606 } 15607 return false; 15608 } 15609 15610 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15611 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15612 } 15613 15614 /** 15615 * This method is an internal method that could be get invoked either 15616 * to delete an installed package or to clean up a failed installation. 15617 * After deleting an installed package, a broadcast is sent to notify any 15618 * listeners that the package has been removed. For cleaning up a failed 15619 * installation, the broadcast is not necessary since the package's 15620 * installation wouldn't have sent the initial broadcast either 15621 * The key steps in deleting a package are 15622 * deleting the package information in internal structures like mPackages, 15623 * deleting the packages base directories through installd 15624 * updating mSettings to reflect current status 15625 * persisting settings for later use 15626 * sending a broadcast if necessary 15627 */ 15628 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15629 final PackageRemovedInfo info = new PackageRemovedInfo(); 15630 final boolean res; 15631 15632 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15633 ? UserHandle.USER_ALL : userId; 15634 15635 if (isPackageDeviceAdmin(packageName, removeUser)) { 15636 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15637 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15638 } 15639 15640 PackageSetting uninstalledPs = null; 15641 15642 // for the uninstall-updates case and restricted profiles, remember the per- 15643 // user handle installed state 15644 int[] allUsers; 15645 synchronized (mPackages) { 15646 uninstalledPs = mSettings.mPackages.get(packageName); 15647 if (uninstalledPs == null) { 15648 Slog.w(TAG, "Not removing non-existent package " + packageName); 15649 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15650 } 15651 allUsers = sUserManager.getUserIds(); 15652 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15653 } 15654 15655 final int freezeUser; 15656 if (isUpdatedSystemApp(uninstalledPs) 15657 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15658 // We're downgrading a system app, which will apply to all users, so 15659 // freeze them all during the downgrade 15660 freezeUser = UserHandle.USER_ALL; 15661 } else { 15662 freezeUser = removeUser; 15663 } 15664 15665 synchronized (mInstallLock) { 15666 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15667 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15668 deleteFlags, "deletePackageX")) { 15669 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15670 deleteFlags | REMOVE_CHATTY, info, true, null); 15671 } 15672 synchronized (mPackages) { 15673 if (res) { 15674 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15675 } 15676 } 15677 } 15678 15679 if (res) { 15680 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15681 info.sendPackageRemovedBroadcasts(killApp); 15682 info.sendSystemPackageUpdatedBroadcasts(); 15683 info.sendSystemPackageAppearedBroadcasts(); 15684 } 15685 // Force a gc here. 15686 Runtime.getRuntime().gc(); 15687 // Delete the resources here after sending the broadcast to let 15688 // other processes clean up before deleting resources. 15689 if (info.args != null) { 15690 synchronized (mInstallLock) { 15691 info.args.doPostDeleteLI(true); 15692 } 15693 } 15694 15695 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15696 } 15697 15698 class PackageRemovedInfo { 15699 String removedPackage; 15700 int uid = -1; 15701 int removedAppId = -1; 15702 int[] origUsers; 15703 int[] removedUsers = null; 15704 boolean isRemovedPackageSystemUpdate = false; 15705 boolean isUpdate; 15706 boolean dataRemoved; 15707 boolean removedForAllUsers; 15708 // Clean up resources deleted packages. 15709 InstallArgs args = null; 15710 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15711 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15712 15713 void sendPackageRemovedBroadcasts(boolean killApp) { 15714 sendPackageRemovedBroadcastInternal(killApp); 15715 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15716 for (int i = 0; i < childCount; i++) { 15717 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15718 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15719 } 15720 } 15721 15722 void sendSystemPackageUpdatedBroadcasts() { 15723 if (isRemovedPackageSystemUpdate) { 15724 sendSystemPackageUpdatedBroadcastsInternal(); 15725 final int childCount = (removedChildPackages != null) 15726 ? removedChildPackages.size() : 0; 15727 for (int i = 0; i < childCount; i++) { 15728 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15729 if (childInfo.isRemovedPackageSystemUpdate) { 15730 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15731 } 15732 } 15733 } 15734 } 15735 15736 void sendSystemPackageAppearedBroadcasts() { 15737 final int packageCount = (appearedChildPackages != null) 15738 ? appearedChildPackages.size() : 0; 15739 for (int i = 0; i < packageCount; i++) { 15740 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15741 for (int userId : installedInfo.newUsers) { 15742 sendPackageAddedForUser(installedInfo.name, true, 15743 UserHandle.getAppId(installedInfo.uid), userId); 15744 } 15745 } 15746 } 15747 15748 private void sendSystemPackageUpdatedBroadcastsInternal() { 15749 Bundle extras = new Bundle(2); 15750 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15751 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15752 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15753 extras, 0, null, null, null); 15754 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15755 extras, 0, null, null, null); 15756 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15757 null, 0, removedPackage, null, null); 15758 } 15759 15760 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15761 Bundle extras = new Bundle(2); 15762 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15763 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15764 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15765 if (isUpdate || isRemovedPackageSystemUpdate) { 15766 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15767 } 15768 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15769 if (removedPackage != null) { 15770 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15771 extras, 0, null, null, removedUsers); 15772 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15773 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15774 removedPackage, extras, 0, null, null, removedUsers); 15775 } 15776 } 15777 if (removedAppId >= 0) { 15778 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15779 removedUsers); 15780 } 15781 } 15782 } 15783 15784 /* 15785 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15786 * flag is not set, the data directory is removed as well. 15787 * make sure this flag is set for partially installed apps. If not its meaningless to 15788 * delete a partially installed application. 15789 */ 15790 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15791 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15792 String packageName = ps.name; 15793 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15794 // Retrieve object to delete permissions for shared user later on 15795 final PackageParser.Package deletedPkg; 15796 final PackageSetting deletedPs; 15797 // reader 15798 synchronized (mPackages) { 15799 deletedPkg = mPackages.get(packageName); 15800 deletedPs = mSettings.mPackages.get(packageName); 15801 if (outInfo != null) { 15802 outInfo.removedPackage = packageName; 15803 outInfo.removedUsers = deletedPs != null 15804 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15805 : null; 15806 } 15807 } 15808 15809 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15810 15811 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15812 final PackageParser.Package resolvedPkg; 15813 if (deletedPkg != null) { 15814 resolvedPkg = deletedPkg; 15815 } else { 15816 // We don't have a parsed package when it lives on an ejected 15817 // adopted storage device, so fake something together 15818 resolvedPkg = new PackageParser.Package(ps.name); 15819 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15820 } 15821 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15822 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15823 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15824 if (outInfo != null) { 15825 outInfo.dataRemoved = true; 15826 } 15827 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15828 } 15829 15830 // writer 15831 synchronized (mPackages) { 15832 if (deletedPs != null) { 15833 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15834 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15835 clearDefaultBrowserIfNeeded(packageName); 15836 if (outInfo != null) { 15837 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15838 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15839 } 15840 updatePermissionsLPw(deletedPs.name, null, 0); 15841 if (deletedPs.sharedUser != null) { 15842 // Remove permissions associated with package. Since runtime 15843 // permissions are per user we have to kill the removed package 15844 // or packages running under the shared user of the removed 15845 // package if revoking the permissions requested only by the removed 15846 // package is successful and this causes a change in gids. 15847 for (int userId : UserManagerService.getInstance().getUserIds()) { 15848 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15849 userId); 15850 if (userIdToKill == UserHandle.USER_ALL 15851 || userIdToKill >= UserHandle.USER_SYSTEM) { 15852 // If gids changed for this user, kill all affected packages. 15853 mHandler.post(new Runnable() { 15854 @Override 15855 public void run() { 15856 // This has to happen with no lock held. 15857 killApplication(deletedPs.name, deletedPs.appId, 15858 KILL_APP_REASON_GIDS_CHANGED); 15859 } 15860 }); 15861 break; 15862 } 15863 } 15864 } 15865 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15866 } 15867 // make sure to preserve per-user disabled state if this removal was just 15868 // a downgrade of a system app to the factory package 15869 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15870 if (DEBUG_REMOVE) { 15871 Slog.d(TAG, "Propagating install state across downgrade"); 15872 } 15873 for (int userId : allUserHandles) { 15874 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15875 if (DEBUG_REMOVE) { 15876 Slog.d(TAG, " user " + userId + " => " + installed); 15877 } 15878 ps.setInstalled(installed, userId); 15879 } 15880 } 15881 } 15882 // can downgrade to reader 15883 if (writeSettings) { 15884 // Save settings now 15885 mSettings.writeLPr(); 15886 } 15887 } 15888 if (outInfo != null) { 15889 // A user ID was deleted here. Go through all users and remove it 15890 // from KeyStore. 15891 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15892 } 15893 } 15894 15895 static boolean locationIsPrivileged(File path) { 15896 try { 15897 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15898 .getCanonicalPath(); 15899 return path.getCanonicalPath().startsWith(privilegedAppDir); 15900 } catch (IOException e) { 15901 Slog.e(TAG, "Unable to access code path " + path); 15902 } 15903 return false; 15904 } 15905 15906 /* 15907 * Tries to delete system package. 15908 */ 15909 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15910 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15911 boolean writeSettings) { 15912 if (deletedPs.parentPackageName != null) { 15913 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15914 return false; 15915 } 15916 15917 final boolean applyUserRestrictions 15918 = (allUserHandles != null) && (outInfo.origUsers != null); 15919 final PackageSetting disabledPs; 15920 // Confirm if the system package has been updated 15921 // An updated system app can be deleted. This will also have to restore 15922 // the system pkg from system partition 15923 // reader 15924 synchronized (mPackages) { 15925 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15926 } 15927 15928 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15929 + " disabledPs=" + disabledPs); 15930 15931 if (disabledPs == null) { 15932 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15933 return false; 15934 } else if (DEBUG_REMOVE) { 15935 Slog.d(TAG, "Deleting system pkg from data partition"); 15936 } 15937 15938 if (DEBUG_REMOVE) { 15939 if (applyUserRestrictions) { 15940 Slog.d(TAG, "Remembering install states:"); 15941 for (int userId : allUserHandles) { 15942 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15943 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15944 } 15945 } 15946 } 15947 15948 // Delete the updated package 15949 outInfo.isRemovedPackageSystemUpdate = true; 15950 if (outInfo.removedChildPackages != null) { 15951 final int childCount = (deletedPs.childPackageNames != null) 15952 ? deletedPs.childPackageNames.size() : 0; 15953 for (int i = 0; i < childCount; i++) { 15954 String childPackageName = deletedPs.childPackageNames.get(i); 15955 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15956 .contains(childPackageName)) { 15957 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15958 childPackageName); 15959 if (childInfo != null) { 15960 childInfo.isRemovedPackageSystemUpdate = true; 15961 } 15962 } 15963 } 15964 } 15965 15966 if (disabledPs.versionCode < deletedPs.versionCode) { 15967 // Delete data for downgrades 15968 flags &= ~PackageManager.DELETE_KEEP_DATA; 15969 } else { 15970 // Preserve data by setting flag 15971 flags |= PackageManager.DELETE_KEEP_DATA; 15972 } 15973 15974 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15975 outInfo, writeSettings, disabledPs.pkg); 15976 if (!ret) { 15977 return false; 15978 } 15979 15980 // writer 15981 synchronized (mPackages) { 15982 // Reinstate the old system package 15983 enableSystemPackageLPw(disabledPs.pkg); 15984 // Remove any native libraries from the upgraded package. 15985 removeNativeBinariesLI(deletedPs); 15986 } 15987 15988 // Install the system package 15989 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15990 int parseFlags = mDefParseFlags 15991 | PackageParser.PARSE_MUST_BE_APK 15992 | PackageParser.PARSE_IS_SYSTEM 15993 | PackageParser.PARSE_IS_SYSTEM_DIR; 15994 if (locationIsPrivileged(disabledPs.codePath)) { 15995 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15996 } 15997 15998 final PackageParser.Package newPkg; 15999 try { 16000 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16001 } catch (PackageManagerException e) { 16002 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16003 + e.getMessage()); 16004 return false; 16005 } 16006 16007 prepareAppDataAfterInstallLIF(newPkg); 16008 16009 // writer 16010 synchronized (mPackages) { 16011 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16012 16013 // Propagate the permissions state as we do not want to drop on the floor 16014 // runtime permissions. The update permissions method below will take 16015 // care of removing obsolete permissions and grant install permissions. 16016 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16017 updatePermissionsLPw(newPkg.packageName, newPkg, 16018 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16019 16020 if (applyUserRestrictions) { 16021 if (DEBUG_REMOVE) { 16022 Slog.d(TAG, "Propagating install state across reinstall"); 16023 } 16024 for (int userId : allUserHandles) { 16025 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16026 if (DEBUG_REMOVE) { 16027 Slog.d(TAG, " user " + userId + " => " + installed); 16028 } 16029 ps.setInstalled(installed, userId); 16030 16031 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16032 } 16033 // Regardless of writeSettings we need to ensure that this restriction 16034 // state propagation is persisted 16035 mSettings.writeAllUsersPackageRestrictionsLPr(); 16036 } 16037 // can downgrade to reader here 16038 if (writeSettings) { 16039 mSettings.writeLPr(); 16040 } 16041 } 16042 return true; 16043 } 16044 16045 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16046 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16047 PackageRemovedInfo outInfo, boolean writeSettings, 16048 PackageParser.Package replacingPackage) { 16049 synchronized (mPackages) { 16050 if (outInfo != null) { 16051 outInfo.uid = ps.appId; 16052 } 16053 16054 if (outInfo != null && outInfo.removedChildPackages != null) { 16055 final int childCount = (ps.childPackageNames != null) 16056 ? ps.childPackageNames.size() : 0; 16057 for (int i = 0; i < childCount; i++) { 16058 String childPackageName = ps.childPackageNames.get(i); 16059 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16060 if (childPs == null) { 16061 return false; 16062 } 16063 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16064 childPackageName); 16065 if (childInfo != null) { 16066 childInfo.uid = childPs.appId; 16067 } 16068 } 16069 } 16070 } 16071 16072 // Delete package data from internal structures and also remove data if flag is set 16073 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16074 16075 // Delete the child packages data 16076 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16077 for (int i = 0; i < childCount; i++) { 16078 PackageSetting childPs; 16079 synchronized (mPackages) { 16080 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16081 } 16082 if (childPs != null) { 16083 PackageRemovedInfo childOutInfo = (outInfo != null 16084 && outInfo.removedChildPackages != null) 16085 ? outInfo.removedChildPackages.get(childPs.name) : null; 16086 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16087 && (replacingPackage != null 16088 && !replacingPackage.hasChildPackage(childPs.name)) 16089 ? flags & ~DELETE_KEEP_DATA : flags; 16090 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16091 deleteFlags, writeSettings); 16092 } 16093 } 16094 16095 // Delete application code and resources only for parent packages 16096 if (ps.parentPackageName == null) { 16097 if (deleteCodeAndResources && (outInfo != null)) { 16098 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16099 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16100 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16101 } 16102 } 16103 16104 return true; 16105 } 16106 16107 @Override 16108 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16109 int userId) { 16110 mContext.enforceCallingOrSelfPermission( 16111 android.Manifest.permission.DELETE_PACKAGES, null); 16112 synchronized (mPackages) { 16113 PackageSetting ps = mSettings.mPackages.get(packageName); 16114 if (ps == null) { 16115 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16116 return false; 16117 } 16118 if (!ps.getInstalled(userId)) { 16119 // Can't block uninstall for an app that is not installed or enabled. 16120 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16121 return false; 16122 } 16123 ps.setBlockUninstall(blockUninstall, userId); 16124 mSettings.writePackageRestrictionsLPr(userId); 16125 } 16126 return true; 16127 } 16128 16129 @Override 16130 public boolean getBlockUninstallForUser(String packageName, int userId) { 16131 synchronized (mPackages) { 16132 PackageSetting ps = mSettings.mPackages.get(packageName); 16133 if (ps == null) { 16134 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16135 return false; 16136 } 16137 return ps.getBlockUninstall(userId); 16138 } 16139 } 16140 16141 @Override 16142 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16143 int callingUid = Binder.getCallingUid(); 16144 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16145 throw new SecurityException( 16146 "setRequiredForSystemUser can only be run by the system or root"); 16147 } 16148 synchronized (mPackages) { 16149 PackageSetting ps = mSettings.mPackages.get(packageName); 16150 if (ps == null) { 16151 Log.w(TAG, "Package doesn't exist: " + packageName); 16152 return false; 16153 } 16154 if (systemUserApp) { 16155 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16156 } else { 16157 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16158 } 16159 mSettings.writeLPr(); 16160 } 16161 return true; 16162 } 16163 16164 /* 16165 * This method handles package deletion in general 16166 */ 16167 private boolean deletePackageLIF(String packageName, UserHandle user, 16168 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16169 PackageRemovedInfo outInfo, boolean writeSettings, 16170 PackageParser.Package replacingPackage) { 16171 if (packageName == null) { 16172 Slog.w(TAG, "Attempt to delete null packageName."); 16173 return false; 16174 } 16175 16176 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16177 16178 PackageSetting ps; 16179 16180 synchronized (mPackages) { 16181 ps = mSettings.mPackages.get(packageName); 16182 if (ps == null) { 16183 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16184 return false; 16185 } 16186 16187 if (ps.parentPackageName != null && (!isSystemApp(ps) 16188 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16189 if (DEBUG_REMOVE) { 16190 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16191 + ((user == null) ? UserHandle.USER_ALL : user)); 16192 } 16193 final int removedUserId = (user != null) ? user.getIdentifier() 16194 : UserHandle.USER_ALL; 16195 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16196 return false; 16197 } 16198 markPackageUninstalledForUserLPw(ps, user); 16199 scheduleWritePackageRestrictionsLocked(user); 16200 return true; 16201 } 16202 } 16203 16204 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16205 && user.getIdentifier() != UserHandle.USER_ALL)) { 16206 // The caller is asking that the package only be deleted for a single 16207 // user. To do this, we just mark its uninstalled state and delete 16208 // its data. If this is a system app, we only allow this to happen if 16209 // they have set the special DELETE_SYSTEM_APP which requests different 16210 // semantics than normal for uninstalling system apps. 16211 markPackageUninstalledForUserLPw(ps, user); 16212 16213 if (!isSystemApp(ps)) { 16214 // Do not uninstall the APK if an app should be cached 16215 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16216 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16217 // Other user still have this package installed, so all 16218 // we need to do is clear this user's data and save that 16219 // it is uninstalled. 16220 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16221 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16222 return false; 16223 } 16224 scheduleWritePackageRestrictionsLocked(user); 16225 return true; 16226 } else { 16227 // We need to set it back to 'installed' so the uninstall 16228 // broadcasts will be sent correctly. 16229 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16230 ps.setInstalled(true, user.getIdentifier()); 16231 } 16232 } else { 16233 // This is a system app, so we assume that the 16234 // other users still have this package installed, so all 16235 // we need to do is clear this user's data and save that 16236 // it is uninstalled. 16237 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16238 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16239 return false; 16240 } 16241 scheduleWritePackageRestrictionsLocked(user); 16242 return true; 16243 } 16244 } 16245 16246 // If we are deleting a composite package for all users, keep track 16247 // of result for each child. 16248 if (ps.childPackageNames != null && outInfo != null) { 16249 synchronized (mPackages) { 16250 final int childCount = ps.childPackageNames.size(); 16251 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16252 for (int i = 0; i < childCount; i++) { 16253 String childPackageName = ps.childPackageNames.get(i); 16254 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16255 childInfo.removedPackage = childPackageName; 16256 outInfo.removedChildPackages.put(childPackageName, childInfo); 16257 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16258 if (childPs != null) { 16259 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16260 } 16261 } 16262 } 16263 } 16264 16265 boolean ret = false; 16266 if (isSystemApp(ps)) { 16267 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16268 // When an updated system application is deleted we delete the existing resources 16269 // as well and fall back to existing code in system partition 16270 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16271 } else { 16272 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16273 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16274 outInfo, writeSettings, replacingPackage); 16275 } 16276 16277 // Take a note whether we deleted the package for all users 16278 if (outInfo != null) { 16279 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16280 if (outInfo.removedChildPackages != null) { 16281 synchronized (mPackages) { 16282 final int childCount = outInfo.removedChildPackages.size(); 16283 for (int i = 0; i < childCount; i++) { 16284 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16285 if (childInfo != null) { 16286 childInfo.removedForAllUsers = mPackages.get( 16287 childInfo.removedPackage) == null; 16288 } 16289 } 16290 } 16291 } 16292 // If we uninstalled an update to a system app there may be some 16293 // child packages that appeared as they are declared in the system 16294 // app but were not declared in the update. 16295 if (isSystemApp(ps)) { 16296 synchronized (mPackages) { 16297 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16298 final int childCount = (updatedPs.childPackageNames != null) 16299 ? updatedPs.childPackageNames.size() : 0; 16300 for (int i = 0; i < childCount; i++) { 16301 String childPackageName = updatedPs.childPackageNames.get(i); 16302 if (outInfo.removedChildPackages == null 16303 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16304 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16305 if (childPs == null) { 16306 continue; 16307 } 16308 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16309 installRes.name = childPackageName; 16310 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16311 installRes.pkg = mPackages.get(childPackageName); 16312 installRes.uid = childPs.pkg.applicationInfo.uid; 16313 if (outInfo.appearedChildPackages == null) { 16314 outInfo.appearedChildPackages = new ArrayMap<>(); 16315 } 16316 outInfo.appearedChildPackages.put(childPackageName, installRes); 16317 } 16318 } 16319 } 16320 } 16321 } 16322 16323 return ret; 16324 } 16325 16326 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16327 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16328 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16329 for (int nextUserId : userIds) { 16330 if (DEBUG_REMOVE) { 16331 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16332 } 16333 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16334 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16335 false /*hidden*/, false /*suspended*/, null, null, null, 16336 false /*blockUninstall*/, 16337 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16338 } 16339 } 16340 16341 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16342 PackageRemovedInfo outInfo) { 16343 final PackageParser.Package pkg; 16344 synchronized (mPackages) { 16345 pkg = mPackages.get(ps.name); 16346 } 16347 16348 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16349 : new int[] {userId}; 16350 for (int nextUserId : userIds) { 16351 if (DEBUG_REMOVE) { 16352 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16353 + nextUserId); 16354 } 16355 16356 destroyAppDataLIF(pkg, userId, 16357 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16358 destroyAppProfilesLIF(pkg, userId); 16359 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16360 schedulePackageCleaning(ps.name, nextUserId, false); 16361 synchronized (mPackages) { 16362 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16363 scheduleWritePackageRestrictionsLocked(nextUserId); 16364 } 16365 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16366 } 16367 } 16368 16369 if (outInfo != null) { 16370 outInfo.removedPackage = ps.name; 16371 outInfo.removedAppId = ps.appId; 16372 outInfo.removedUsers = userIds; 16373 } 16374 16375 return true; 16376 } 16377 16378 private final class ClearStorageConnection implements ServiceConnection { 16379 IMediaContainerService mContainerService; 16380 16381 @Override 16382 public void onServiceConnected(ComponentName name, IBinder service) { 16383 synchronized (this) { 16384 mContainerService = IMediaContainerService.Stub.asInterface(service); 16385 notifyAll(); 16386 } 16387 } 16388 16389 @Override 16390 public void onServiceDisconnected(ComponentName name) { 16391 } 16392 } 16393 16394 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16395 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16396 16397 final boolean mounted; 16398 if (Environment.isExternalStorageEmulated()) { 16399 mounted = true; 16400 } else { 16401 final String status = Environment.getExternalStorageState(); 16402 16403 mounted = status.equals(Environment.MEDIA_MOUNTED) 16404 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16405 } 16406 16407 if (!mounted) { 16408 return; 16409 } 16410 16411 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16412 int[] users; 16413 if (userId == UserHandle.USER_ALL) { 16414 users = sUserManager.getUserIds(); 16415 } else { 16416 users = new int[] { userId }; 16417 } 16418 final ClearStorageConnection conn = new ClearStorageConnection(); 16419 if (mContext.bindServiceAsUser( 16420 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16421 try { 16422 for (int curUser : users) { 16423 long timeout = SystemClock.uptimeMillis() + 5000; 16424 synchronized (conn) { 16425 long now; 16426 while (conn.mContainerService == null && 16427 (now = SystemClock.uptimeMillis()) < timeout) { 16428 try { 16429 conn.wait(timeout - now); 16430 } catch (InterruptedException e) { 16431 } 16432 } 16433 } 16434 if (conn.mContainerService == null) { 16435 return; 16436 } 16437 16438 final UserEnvironment userEnv = new UserEnvironment(curUser); 16439 clearDirectory(conn.mContainerService, 16440 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16441 if (allData) { 16442 clearDirectory(conn.mContainerService, 16443 userEnv.buildExternalStorageAppDataDirs(packageName)); 16444 clearDirectory(conn.mContainerService, 16445 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16446 } 16447 } 16448 } finally { 16449 mContext.unbindService(conn); 16450 } 16451 } 16452 } 16453 16454 @Override 16455 public void clearApplicationProfileData(String packageName) { 16456 enforceSystemOrRoot("Only the system can clear all profile data"); 16457 16458 final PackageParser.Package pkg; 16459 synchronized (mPackages) { 16460 pkg = mPackages.get(packageName); 16461 } 16462 16463 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16464 synchronized (mInstallLock) { 16465 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16466 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16467 true /* removeBaseMarker */); 16468 } 16469 } 16470 } 16471 16472 @Override 16473 public void clearApplicationUserData(final String packageName, 16474 final IPackageDataObserver observer, final int userId) { 16475 mContext.enforceCallingOrSelfPermission( 16476 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16477 16478 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16479 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16480 16481 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16482 throw new SecurityException("Cannot clear data for a protected package: " 16483 + packageName); 16484 } 16485 // Queue up an async operation since the package deletion may take a little while. 16486 mHandler.post(new Runnable() { 16487 public void run() { 16488 mHandler.removeCallbacks(this); 16489 final boolean succeeded; 16490 try (PackageFreezer freezer = freezePackage(packageName, 16491 "clearApplicationUserData")) { 16492 synchronized (mInstallLock) { 16493 succeeded = clearApplicationUserDataLIF(packageName, userId); 16494 } 16495 clearExternalStorageDataSync(packageName, userId, true); 16496 } 16497 if (succeeded) { 16498 // invoke DeviceStorageMonitor's update method to clear any notifications 16499 DeviceStorageMonitorInternal dsm = LocalServices 16500 .getService(DeviceStorageMonitorInternal.class); 16501 if (dsm != null) { 16502 dsm.checkMemory(); 16503 } 16504 } 16505 if(observer != null) { 16506 try { 16507 observer.onRemoveCompleted(packageName, succeeded); 16508 } catch (RemoteException e) { 16509 Log.i(TAG, "Observer no longer exists."); 16510 } 16511 } //end if observer 16512 } //end run 16513 }); 16514 } 16515 16516 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16517 if (packageName == null) { 16518 Slog.w(TAG, "Attempt to delete null packageName."); 16519 return false; 16520 } 16521 16522 // Try finding details about the requested package 16523 PackageParser.Package pkg; 16524 synchronized (mPackages) { 16525 pkg = mPackages.get(packageName); 16526 if (pkg == null) { 16527 final PackageSetting ps = mSettings.mPackages.get(packageName); 16528 if (ps != null) { 16529 pkg = ps.pkg; 16530 } 16531 } 16532 16533 if (pkg == null) { 16534 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16535 return false; 16536 } 16537 16538 PackageSetting ps = (PackageSetting) pkg.mExtras; 16539 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16540 } 16541 16542 clearAppDataLIF(pkg, userId, 16543 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16544 16545 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16546 removeKeystoreDataIfNeeded(userId, appId); 16547 16548 UserManagerInternal umInternal = getUserManagerInternal(); 16549 final int flags; 16550 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16551 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16552 } else if (umInternal.isUserRunning(userId)) { 16553 flags = StorageManager.FLAG_STORAGE_DE; 16554 } else { 16555 flags = 0; 16556 } 16557 prepareAppDataContentsLIF(pkg, userId, flags); 16558 16559 return true; 16560 } 16561 16562 /** 16563 * Reverts user permission state changes (permissions and flags) in 16564 * all packages for a given user. 16565 * 16566 * @param userId The device user for which to do a reset. 16567 */ 16568 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16569 final int packageCount = mPackages.size(); 16570 for (int i = 0; i < packageCount; i++) { 16571 PackageParser.Package pkg = mPackages.valueAt(i); 16572 PackageSetting ps = (PackageSetting) pkg.mExtras; 16573 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16574 } 16575 } 16576 16577 private void resetNetworkPolicies(int userId) { 16578 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16579 } 16580 16581 /** 16582 * Reverts user permission state changes (permissions and flags). 16583 * 16584 * @param ps The package for which to reset. 16585 * @param userId The device user for which to do a reset. 16586 */ 16587 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16588 final PackageSetting ps, final int userId) { 16589 if (ps.pkg == null) { 16590 return; 16591 } 16592 16593 // These are flags that can change base on user actions. 16594 final int userSettableMask = FLAG_PERMISSION_USER_SET 16595 | FLAG_PERMISSION_USER_FIXED 16596 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16597 | FLAG_PERMISSION_REVIEW_REQUIRED; 16598 16599 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16600 | FLAG_PERMISSION_POLICY_FIXED; 16601 16602 boolean writeInstallPermissions = false; 16603 boolean writeRuntimePermissions = false; 16604 16605 final int permissionCount = ps.pkg.requestedPermissions.size(); 16606 for (int i = 0; i < permissionCount; i++) { 16607 String permission = ps.pkg.requestedPermissions.get(i); 16608 16609 BasePermission bp = mSettings.mPermissions.get(permission); 16610 if (bp == null) { 16611 continue; 16612 } 16613 16614 // If shared user we just reset the state to which only this app contributed. 16615 if (ps.sharedUser != null) { 16616 boolean used = false; 16617 final int packageCount = ps.sharedUser.packages.size(); 16618 for (int j = 0; j < packageCount; j++) { 16619 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16620 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16621 && pkg.pkg.requestedPermissions.contains(permission)) { 16622 used = true; 16623 break; 16624 } 16625 } 16626 if (used) { 16627 continue; 16628 } 16629 } 16630 16631 PermissionsState permissionsState = ps.getPermissionsState(); 16632 16633 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16634 16635 // Always clear the user settable flags. 16636 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16637 bp.name) != null; 16638 // If permission review is enabled and this is a legacy app, mark the 16639 // permission as requiring a review as this is the initial state. 16640 int flags = 0; 16641 if (Build.PERMISSIONS_REVIEW_REQUIRED 16642 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16643 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16644 } 16645 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16646 if (hasInstallState) { 16647 writeInstallPermissions = true; 16648 } else { 16649 writeRuntimePermissions = true; 16650 } 16651 } 16652 16653 // Below is only runtime permission handling. 16654 if (!bp.isRuntime()) { 16655 continue; 16656 } 16657 16658 // Never clobber system or policy. 16659 if ((oldFlags & policyOrSystemFlags) != 0) { 16660 continue; 16661 } 16662 16663 // If this permission was granted by default, make sure it is. 16664 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16665 if (permissionsState.grantRuntimePermission(bp, userId) 16666 != PERMISSION_OPERATION_FAILURE) { 16667 writeRuntimePermissions = true; 16668 } 16669 // If permission review is enabled the permissions for a legacy apps 16670 // are represented as constantly granted runtime ones, so don't revoke. 16671 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16672 // Otherwise, reset the permission. 16673 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16674 switch (revokeResult) { 16675 case PERMISSION_OPERATION_SUCCESS: 16676 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16677 writeRuntimePermissions = true; 16678 final int appId = ps.appId; 16679 mHandler.post(new Runnable() { 16680 @Override 16681 public void run() { 16682 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16683 } 16684 }); 16685 } break; 16686 } 16687 } 16688 } 16689 16690 // Synchronously write as we are taking permissions away. 16691 if (writeRuntimePermissions) { 16692 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16693 } 16694 16695 // Synchronously write as we are taking permissions away. 16696 if (writeInstallPermissions) { 16697 mSettings.writeLPr(); 16698 } 16699 } 16700 16701 /** 16702 * Remove entries from the keystore daemon. Will only remove it if the 16703 * {@code appId} is valid. 16704 */ 16705 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16706 if (appId < 0) { 16707 return; 16708 } 16709 16710 final KeyStore keyStore = KeyStore.getInstance(); 16711 if (keyStore != null) { 16712 if (userId == UserHandle.USER_ALL) { 16713 for (final int individual : sUserManager.getUserIds()) { 16714 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16715 } 16716 } else { 16717 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16718 } 16719 } else { 16720 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16721 } 16722 } 16723 16724 @Override 16725 public void deleteApplicationCacheFiles(final String packageName, 16726 final IPackageDataObserver observer) { 16727 final int userId = UserHandle.getCallingUserId(); 16728 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16729 } 16730 16731 @Override 16732 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16733 final IPackageDataObserver observer) { 16734 mContext.enforceCallingOrSelfPermission( 16735 android.Manifest.permission.DELETE_CACHE_FILES, null); 16736 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16737 /* requireFullPermission= */ true, /* checkShell= */ false, 16738 "delete application cache files"); 16739 16740 final PackageParser.Package pkg; 16741 synchronized (mPackages) { 16742 pkg = mPackages.get(packageName); 16743 } 16744 16745 // Queue up an async operation since the package deletion may take a little while. 16746 mHandler.post(new Runnable() { 16747 public void run() { 16748 synchronized (mInstallLock) { 16749 final int flags = StorageManager.FLAG_STORAGE_DE 16750 | StorageManager.FLAG_STORAGE_CE; 16751 // We're only clearing cache files, so we don't care if the 16752 // app is unfrozen and still able to run 16753 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16754 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16755 } 16756 clearExternalStorageDataSync(packageName, userId, false); 16757 if (observer != null) { 16758 try { 16759 observer.onRemoveCompleted(packageName, true); 16760 } catch (RemoteException e) { 16761 Log.i(TAG, "Observer no longer exists."); 16762 } 16763 } 16764 } 16765 }); 16766 } 16767 16768 @Override 16769 public void getPackageSizeInfo(final String packageName, int userHandle, 16770 final IPackageStatsObserver observer) { 16771 mContext.enforceCallingOrSelfPermission( 16772 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16773 if (packageName == null) { 16774 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16775 } 16776 16777 PackageStats stats = new PackageStats(packageName, userHandle); 16778 16779 /* 16780 * Queue up an async operation since the package measurement may take a 16781 * little while. 16782 */ 16783 Message msg = mHandler.obtainMessage(INIT_COPY); 16784 msg.obj = new MeasureParams(stats, observer); 16785 mHandler.sendMessage(msg); 16786 } 16787 16788 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16789 final PackageSetting ps; 16790 synchronized (mPackages) { 16791 ps = mSettings.mPackages.get(packageName); 16792 if (ps == null) { 16793 Slog.w(TAG, "Failed to find settings for " + packageName); 16794 return false; 16795 } 16796 } 16797 try { 16798 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16799 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16800 ps.getCeDataInode(userId), ps.codePathString, stats); 16801 } catch (InstallerException e) { 16802 Slog.w(TAG, String.valueOf(e)); 16803 return false; 16804 } 16805 16806 // For now, ignore code size of packages on system partition 16807 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16808 stats.codeSize = 0; 16809 } 16810 16811 return true; 16812 } 16813 16814 private int getUidTargetSdkVersionLockedLPr(int uid) { 16815 Object obj = mSettings.getUserIdLPr(uid); 16816 if (obj instanceof SharedUserSetting) { 16817 final SharedUserSetting sus = (SharedUserSetting) obj; 16818 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16819 final Iterator<PackageSetting> it = sus.packages.iterator(); 16820 while (it.hasNext()) { 16821 final PackageSetting ps = it.next(); 16822 if (ps.pkg != null) { 16823 int v = ps.pkg.applicationInfo.targetSdkVersion; 16824 if (v < vers) vers = v; 16825 } 16826 } 16827 return vers; 16828 } else if (obj instanceof PackageSetting) { 16829 final PackageSetting ps = (PackageSetting) obj; 16830 if (ps.pkg != null) { 16831 return ps.pkg.applicationInfo.targetSdkVersion; 16832 } 16833 } 16834 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16835 } 16836 16837 @Override 16838 public void addPreferredActivity(IntentFilter filter, int match, 16839 ComponentName[] set, ComponentName activity, int userId) { 16840 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16841 "Adding preferred"); 16842 } 16843 16844 private void addPreferredActivityInternal(IntentFilter filter, int match, 16845 ComponentName[] set, ComponentName activity, boolean always, int userId, 16846 String opname) { 16847 // writer 16848 int callingUid = Binder.getCallingUid(); 16849 enforceCrossUserPermission(callingUid, userId, 16850 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16851 if (filter.countActions() == 0) { 16852 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16853 return; 16854 } 16855 synchronized (mPackages) { 16856 if (mContext.checkCallingOrSelfPermission( 16857 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16858 != PackageManager.PERMISSION_GRANTED) { 16859 if (getUidTargetSdkVersionLockedLPr(callingUid) 16860 < Build.VERSION_CODES.FROYO) { 16861 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16862 + callingUid); 16863 return; 16864 } 16865 mContext.enforceCallingOrSelfPermission( 16866 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16867 } 16868 16869 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16870 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16871 + userId + ":"); 16872 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16873 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16874 scheduleWritePackageRestrictionsLocked(userId); 16875 } 16876 } 16877 16878 @Override 16879 public void replacePreferredActivity(IntentFilter filter, int match, 16880 ComponentName[] set, ComponentName activity, int userId) { 16881 if (filter.countActions() != 1) { 16882 throw new IllegalArgumentException( 16883 "replacePreferredActivity expects filter to have only 1 action."); 16884 } 16885 if (filter.countDataAuthorities() != 0 16886 || filter.countDataPaths() != 0 16887 || filter.countDataSchemes() > 1 16888 || filter.countDataTypes() != 0) { 16889 throw new IllegalArgumentException( 16890 "replacePreferredActivity expects filter to have no data authorities, " + 16891 "paths, or types; and at most one scheme."); 16892 } 16893 16894 final int callingUid = Binder.getCallingUid(); 16895 enforceCrossUserPermission(callingUid, userId, 16896 true /* requireFullPermission */, false /* checkShell */, 16897 "replace preferred activity"); 16898 synchronized (mPackages) { 16899 if (mContext.checkCallingOrSelfPermission( 16900 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16901 != PackageManager.PERMISSION_GRANTED) { 16902 if (getUidTargetSdkVersionLockedLPr(callingUid) 16903 < Build.VERSION_CODES.FROYO) { 16904 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16905 + Binder.getCallingUid()); 16906 return; 16907 } 16908 mContext.enforceCallingOrSelfPermission( 16909 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16910 } 16911 16912 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16913 if (pir != null) { 16914 // Get all of the existing entries that exactly match this filter. 16915 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16916 if (existing != null && existing.size() == 1) { 16917 PreferredActivity cur = existing.get(0); 16918 if (DEBUG_PREFERRED) { 16919 Slog.i(TAG, "Checking replace of preferred:"); 16920 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16921 if (!cur.mPref.mAlways) { 16922 Slog.i(TAG, " -- CUR; not mAlways!"); 16923 } else { 16924 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16925 Slog.i(TAG, " -- CUR: mSet=" 16926 + Arrays.toString(cur.mPref.mSetComponents)); 16927 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16928 Slog.i(TAG, " -- NEW: mMatch=" 16929 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16930 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16931 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16932 } 16933 } 16934 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16935 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16936 && cur.mPref.sameSet(set)) { 16937 // Setting the preferred activity to what it happens to be already 16938 if (DEBUG_PREFERRED) { 16939 Slog.i(TAG, "Replacing with same preferred activity " 16940 + cur.mPref.mShortComponent + " for user " 16941 + userId + ":"); 16942 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16943 } 16944 return; 16945 } 16946 } 16947 16948 if (existing != null) { 16949 if (DEBUG_PREFERRED) { 16950 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16951 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16952 } 16953 for (int i = 0; i < existing.size(); i++) { 16954 PreferredActivity pa = existing.get(i); 16955 if (DEBUG_PREFERRED) { 16956 Slog.i(TAG, "Removing existing preferred activity " 16957 + pa.mPref.mComponent + ":"); 16958 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16959 } 16960 pir.removeFilter(pa); 16961 } 16962 } 16963 } 16964 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16965 "Replacing preferred"); 16966 } 16967 } 16968 16969 @Override 16970 public void clearPackagePreferredActivities(String packageName) { 16971 final int uid = Binder.getCallingUid(); 16972 // writer 16973 synchronized (mPackages) { 16974 PackageParser.Package pkg = mPackages.get(packageName); 16975 if (pkg == null || pkg.applicationInfo.uid != uid) { 16976 if (mContext.checkCallingOrSelfPermission( 16977 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16978 != PackageManager.PERMISSION_GRANTED) { 16979 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16980 < Build.VERSION_CODES.FROYO) { 16981 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16982 + Binder.getCallingUid()); 16983 return; 16984 } 16985 mContext.enforceCallingOrSelfPermission( 16986 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16987 } 16988 } 16989 16990 int user = UserHandle.getCallingUserId(); 16991 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16992 scheduleWritePackageRestrictionsLocked(user); 16993 } 16994 } 16995 } 16996 16997 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16998 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16999 ArrayList<PreferredActivity> removed = null; 17000 boolean changed = false; 17001 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17002 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17003 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17004 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17005 continue; 17006 } 17007 Iterator<PreferredActivity> it = pir.filterIterator(); 17008 while (it.hasNext()) { 17009 PreferredActivity pa = it.next(); 17010 // Mark entry for removal only if it matches the package name 17011 // and the entry is of type "always". 17012 if (packageName == null || 17013 (pa.mPref.mComponent.getPackageName().equals(packageName) 17014 && pa.mPref.mAlways)) { 17015 if (removed == null) { 17016 removed = new ArrayList<PreferredActivity>(); 17017 } 17018 removed.add(pa); 17019 } 17020 } 17021 if (removed != null) { 17022 for (int j=0; j<removed.size(); j++) { 17023 PreferredActivity pa = removed.get(j); 17024 pir.removeFilter(pa); 17025 } 17026 changed = true; 17027 } 17028 } 17029 return changed; 17030 } 17031 17032 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17033 private void clearIntentFilterVerificationsLPw(int userId) { 17034 final int packageCount = mPackages.size(); 17035 for (int i = 0; i < packageCount; i++) { 17036 PackageParser.Package pkg = mPackages.valueAt(i); 17037 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17038 } 17039 } 17040 17041 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17042 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17043 if (userId == UserHandle.USER_ALL) { 17044 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17045 sUserManager.getUserIds())) { 17046 for (int oneUserId : sUserManager.getUserIds()) { 17047 scheduleWritePackageRestrictionsLocked(oneUserId); 17048 } 17049 } 17050 } else { 17051 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17052 scheduleWritePackageRestrictionsLocked(userId); 17053 } 17054 } 17055 } 17056 17057 void clearDefaultBrowserIfNeeded(String packageName) { 17058 for (int oneUserId : sUserManager.getUserIds()) { 17059 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17060 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17061 if (packageName.equals(defaultBrowserPackageName)) { 17062 setDefaultBrowserPackageName(null, oneUserId); 17063 } 17064 } 17065 } 17066 17067 @Override 17068 public void resetApplicationPreferences(int userId) { 17069 mContext.enforceCallingOrSelfPermission( 17070 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17071 final long identity = Binder.clearCallingIdentity(); 17072 // writer 17073 try { 17074 synchronized (mPackages) { 17075 clearPackagePreferredActivitiesLPw(null, userId); 17076 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17077 // TODO: We have to reset the default SMS and Phone. This requires 17078 // significant refactoring to keep all default apps in the package 17079 // manager (cleaner but more work) or have the services provide 17080 // callbacks to the package manager to request a default app reset. 17081 applyFactoryDefaultBrowserLPw(userId); 17082 clearIntentFilterVerificationsLPw(userId); 17083 primeDomainVerificationsLPw(userId); 17084 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17085 scheduleWritePackageRestrictionsLocked(userId); 17086 } 17087 resetNetworkPolicies(userId); 17088 } finally { 17089 Binder.restoreCallingIdentity(identity); 17090 } 17091 } 17092 17093 @Override 17094 public int getPreferredActivities(List<IntentFilter> outFilters, 17095 List<ComponentName> outActivities, String packageName) { 17096 17097 int num = 0; 17098 final int userId = UserHandle.getCallingUserId(); 17099 // reader 17100 synchronized (mPackages) { 17101 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17102 if (pir != null) { 17103 final Iterator<PreferredActivity> it = pir.filterIterator(); 17104 while (it.hasNext()) { 17105 final PreferredActivity pa = it.next(); 17106 if (packageName == null 17107 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17108 && pa.mPref.mAlways)) { 17109 if (outFilters != null) { 17110 outFilters.add(new IntentFilter(pa)); 17111 } 17112 if (outActivities != null) { 17113 outActivities.add(pa.mPref.mComponent); 17114 } 17115 } 17116 } 17117 } 17118 } 17119 17120 return num; 17121 } 17122 17123 @Override 17124 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17125 int userId) { 17126 int callingUid = Binder.getCallingUid(); 17127 if (callingUid != Process.SYSTEM_UID) { 17128 throw new SecurityException( 17129 "addPersistentPreferredActivity can only be run by the system"); 17130 } 17131 if (filter.countActions() == 0) { 17132 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17133 return; 17134 } 17135 synchronized (mPackages) { 17136 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17137 ":"); 17138 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17139 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17140 new PersistentPreferredActivity(filter, activity)); 17141 scheduleWritePackageRestrictionsLocked(userId); 17142 } 17143 } 17144 17145 @Override 17146 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17147 int callingUid = Binder.getCallingUid(); 17148 if (callingUid != Process.SYSTEM_UID) { 17149 throw new SecurityException( 17150 "clearPackagePersistentPreferredActivities can only be run by the system"); 17151 } 17152 ArrayList<PersistentPreferredActivity> removed = null; 17153 boolean changed = false; 17154 synchronized (mPackages) { 17155 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17156 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17157 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17158 .valueAt(i); 17159 if (userId != thisUserId) { 17160 continue; 17161 } 17162 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17163 while (it.hasNext()) { 17164 PersistentPreferredActivity ppa = it.next(); 17165 // Mark entry for removal only if it matches the package name. 17166 if (ppa.mComponent.getPackageName().equals(packageName)) { 17167 if (removed == null) { 17168 removed = new ArrayList<PersistentPreferredActivity>(); 17169 } 17170 removed.add(ppa); 17171 } 17172 } 17173 if (removed != null) { 17174 for (int j=0; j<removed.size(); j++) { 17175 PersistentPreferredActivity ppa = removed.get(j); 17176 ppir.removeFilter(ppa); 17177 } 17178 changed = true; 17179 } 17180 } 17181 17182 if (changed) { 17183 scheduleWritePackageRestrictionsLocked(userId); 17184 } 17185 } 17186 } 17187 17188 /** 17189 * Common machinery for picking apart a restored XML blob and passing 17190 * it to a caller-supplied functor to be applied to the running system. 17191 */ 17192 private void restoreFromXml(XmlPullParser parser, int userId, 17193 String expectedStartTag, BlobXmlRestorer functor) 17194 throws IOException, XmlPullParserException { 17195 int type; 17196 while ((type = parser.next()) != XmlPullParser.START_TAG 17197 && type != XmlPullParser.END_DOCUMENT) { 17198 } 17199 if (type != XmlPullParser.START_TAG) { 17200 // oops didn't find a start tag?! 17201 if (DEBUG_BACKUP) { 17202 Slog.e(TAG, "Didn't find start tag during restore"); 17203 } 17204 return; 17205 } 17206Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17207 // this is supposed to be TAG_PREFERRED_BACKUP 17208 if (!expectedStartTag.equals(parser.getName())) { 17209 if (DEBUG_BACKUP) { 17210 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17211 } 17212 return; 17213 } 17214 17215 // skip interfering stuff, then we're aligned with the backing implementation 17216 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17217Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17218 functor.apply(parser, userId); 17219 } 17220 17221 private interface BlobXmlRestorer { 17222 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17223 } 17224 17225 /** 17226 * Non-Binder method, support for the backup/restore mechanism: write the 17227 * full set of preferred activities in its canonical XML format. Returns the 17228 * XML output as a byte array, or null if there is none. 17229 */ 17230 @Override 17231 public byte[] getPreferredActivityBackup(int userId) { 17232 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17233 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17234 } 17235 17236 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17237 try { 17238 final XmlSerializer serializer = new FastXmlSerializer(); 17239 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17240 serializer.startDocument(null, true); 17241 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17242 17243 synchronized (mPackages) { 17244 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17245 } 17246 17247 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17248 serializer.endDocument(); 17249 serializer.flush(); 17250 } catch (Exception e) { 17251 if (DEBUG_BACKUP) { 17252 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17253 } 17254 return null; 17255 } 17256 17257 return dataStream.toByteArray(); 17258 } 17259 17260 @Override 17261 public void restorePreferredActivities(byte[] backup, int userId) { 17262 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17263 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17264 } 17265 17266 try { 17267 final XmlPullParser parser = Xml.newPullParser(); 17268 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17269 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17270 new BlobXmlRestorer() { 17271 @Override 17272 public void apply(XmlPullParser parser, int userId) 17273 throws XmlPullParserException, IOException { 17274 synchronized (mPackages) { 17275 mSettings.readPreferredActivitiesLPw(parser, userId); 17276 } 17277 } 17278 } ); 17279 } catch (Exception e) { 17280 if (DEBUG_BACKUP) { 17281 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17282 } 17283 } 17284 } 17285 17286 /** 17287 * Non-Binder method, support for the backup/restore mechanism: write the 17288 * default browser (etc) settings in its canonical XML format. Returns the default 17289 * browser XML representation as a byte array, or null if there is none. 17290 */ 17291 @Override 17292 public byte[] getDefaultAppsBackup(int userId) { 17293 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17294 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17295 } 17296 17297 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17298 try { 17299 final XmlSerializer serializer = new FastXmlSerializer(); 17300 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17301 serializer.startDocument(null, true); 17302 serializer.startTag(null, TAG_DEFAULT_APPS); 17303 17304 synchronized (mPackages) { 17305 mSettings.writeDefaultAppsLPr(serializer, userId); 17306 } 17307 17308 serializer.endTag(null, TAG_DEFAULT_APPS); 17309 serializer.endDocument(); 17310 serializer.flush(); 17311 } catch (Exception e) { 17312 if (DEBUG_BACKUP) { 17313 Slog.e(TAG, "Unable to write default apps for backup", e); 17314 } 17315 return null; 17316 } 17317 17318 return dataStream.toByteArray(); 17319 } 17320 17321 @Override 17322 public void restoreDefaultApps(byte[] backup, int userId) { 17323 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17324 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17325 } 17326 17327 try { 17328 final XmlPullParser parser = Xml.newPullParser(); 17329 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17330 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17331 new BlobXmlRestorer() { 17332 @Override 17333 public void apply(XmlPullParser parser, int userId) 17334 throws XmlPullParserException, IOException { 17335 synchronized (mPackages) { 17336 mSettings.readDefaultAppsLPw(parser, userId); 17337 } 17338 } 17339 } ); 17340 } catch (Exception e) { 17341 if (DEBUG_BACKUP) { 17342 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17343 } 17344 } 17345 } 17346 17347 @Override 17348 public byte[] getIntentFilterVerificationBackup(int userId) { 17349 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17350 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17351 } 17352 17353 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17354 try { 17355 final XmlSerializer serializer = new FastXmlSerializer(); 17356 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17357 serializer.startDocument(null, true); 17358 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17359 17360 synchronized (mPackages) { 17361 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17362 } 17363 17364 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17365 serializer.endDocument(); 17366 serializer.flush(); 17367 } catch (Exception e) { 17368 if (DEBUG_BACKUP) { 17369 Slog.e(TAG, "Unable to write default apps for backup", e); 17370 } 17371 return null; 17372 } 17373 17374 return dataStream.toByteArray(); 17375 } 17376 17377 @Override 17378 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17379 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17380 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17381 } 17382 17383 try { 17384 final XmlPullParser parser = Xml.newPullParser(); 17385 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17386 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17387 new BlobXmlRestorer() { 17388 @Override 17389 public void apply(XmlPullParser parser, int userId) 17390 throws XmlPullParserException, IOException { 17391 synchronized (mPackages) { 17392 mSettings.readAllDomainVerificationsLPr(parser, userId); 17393 mSettings.writeLPr(); 17394 } 17395 } 17396 } ); 17397 } catch (Exception e) { 17398 if (DEBUG_BACKUP) { 17399 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17400 } 17401 } 17402 } 17403 17404 @Override 17405 public byte[] getPermissionGrantBackup(int userId) { 17406 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17407 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17408 } 17409 17410 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17411 try { 17412 final XmlSerializer serializer = new FastXmlSerializer(); 17413 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17414 serializer.startDocument(null, true); 17415 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17416 17417 synchronized (mPackages) { 17418 serializeRuntimePermissionGrantsLPr(serializer, userId); 17419 } 17420 17421 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17422 serializer.endDocument(); 17423 serializer.flush(); 17424 } catch (Exception e) { 17425 if (DEBUG_BACKUP) { 17426 Slog.e(TAG, "Unable to write default apps for backup", e); 17427 } 17428 return null; 17429 } 17430 17431 return dataStream.toByteArray(); 17432 } 17433 17434 @Override 17435 public void restorePermissionGrants(byte[] backup, int userId) { 17436 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17437 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17438 } 17439 17440 try { 17441 final XmlPullParser parser = Xml.newPullParser(); 17442 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17443 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17444 new BlobXmlRestorer() { 17445 @Override 17446 public void apply(XmlPullParser parser, int userId) 17447 throws XmlPullParserException, IOException { 17448 synchronized (mPackages) { 17449 processRestoredPermissionGrantsLPr(parser, userId); 17450 } 17451 } 17452 } ); 17453 } catch (Exception e) { 17454 if (DEBUG_BACKUP) { 17455 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17456 } 17457 } 17458 } 17459 17460 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17461 throws IOException { 17462 serializer.startTag(null, TAG_ALL_GRANTS); 17463 17464 final int N = mSettings.mPackages.size(); 17465 for (int i = 0; i < N; i++) { 17466 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17467 boolean pkgGrantsKnown = false; 17468 17469 PermissionsState packagePerms = ps.getPermissionsState(); 17470 17471 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17472 final int grantFlags = state.getFlags(); 17473 // only look at grants that are not system/policy fixed 17474 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17475 final boolean isGranted = state.isGranted(); 17476 // And only back up the user-twiddled state bits 17477 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17478 final String packageName = mSettings.mPackages.keyAt(i); 17479 if (!pkgGrantsKnown) { 17480 serializer.startTag(null, TAG_GRANT); 17481 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17482 pkgGrantsKnown = true; 17483 } 17484 17485 final boolean userSet = 17486 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17487 final boolean userFixed = 17488 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17489 final boolean revoke = 17490 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17491 17492 serializer.startTag(null, TAG_PERMISSION); 17493 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17494 if (isGranted) { 17495 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17496 } 17497 if (userSet) { 17498 serializer.attribute(null, ATTR_USER_SET, "true"); 17499 } 17500 if (userFixed) { 17501 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17502 } 17503 if (revoke) { 17504 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17505 } 17506 serializer.endTag(null, TAG_PERMISSION); 17507 } 17508 } 17509 } 17510 17511 if (pkgGrantsKnown) { 17512 serializer.endTag(null, TAG_GRANT); 17513 } 17514 } 17515 17516 serializer.endTag(null, TAG_ALL_GRANTS); 17517 } 17518 17519 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17520 throws XmlPullParserException, IOException { 17521 String pkgName = null; 17522 int outerDepth = parser.getDepth(); 17523 int type; 17524 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17525 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17526 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17527 continue; 17528 } 17529 17530 final String tagName = parser.getName(); 17531 if (tagName.equals(TAG_GRANT)) { 17532 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17533 if (DEBUG_BACKUP) { 17534 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17535 } 17536 } else if (tagName.equals(TAG_PERMISSION)) { 17537 17538 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17539 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17540 17541 int newFlagSet = 0; 17542 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17543 newFlagSet |= FLAG_PERMISSION_USER_SET; 17544 } 17545 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17546 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17547 } 17548 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17549 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17550 } 17551 if (DEBUG_BACKUP) { 17552 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17553 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17554 } 17555 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17556 if (ps != null) { 17557 // Already installed so we apply the grant immediately 17558 if (DEBUG_BACKUP) { 17559 Slog.v(TAG, " + already installed; applying"); 17560 } 17561 PermissionsState perms = ps.getPermissionsState(); 17562 BasePermission bp = mSettings.mPermissions.get(permName); 17563 if (bp != null) { 17564 if (isGranted) { 17565 perms.grantRuntimePermission(bp, userId); 17566 } 17567 if (newFlagSet != 0) { 17568 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17569 } 17570 } 17571 } else { 17572 // Need to wait for post-restore install to apply the grant 17573 if (DEBUG_BACKUP) { 17574 Slog.v(TAG, " - not yet installed; saving for later"); 17575 } 17576 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17577 isGranted, newFlagSet, userId); 17578 } 17579 } else { 17580 PackageManagerService.reportSettingsProblem(Log.WARN, 17581 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17582 XmlUtils.skipCurrentTag(parser); 17583 } 17584 } 17585 17586 scheduleWriteSettingsLocked(); 17587 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17588 } 17589 17590 @Override 17591 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17592 int sourceUserId, int targetUserId, int flags) { 17593 mContext.enforceCallingOrSelfPermission( 17594 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17595 int callingUid = Binder.getCallingUid(); 17596 enforceOwnerRights(ownerPackage, callingUid); 17597 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17598 if (intentFilter.countActions() == 0) { 17599 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17600 return; 17601 } 17602 synchronized (mPackages) { 17603 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17604 ownerPackage, targetUserId, flags); 17605 CrossProfileIntentResolver resolver = 17606 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17607 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17608 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17609 if (existing != null) { 17610 int size = existing.size(); 17611 for (int i = 0; i < size; i++) { 17612 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17613 return; 17614 } 17615 } 17616 } 17617 resolver.addFilter(newFilter); 17618 scheduleWritePackageRestrictionsLocked(sourceUserId); 17619 } 17620 } 17621 17622 @Override 17623 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17624 mContext.enforceCallingOrSelfPermission( 17625 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17626 int callingUid = Binder.getCallingUid(); 17627 enforceOwnerRights(ownerPackage, callingUid); 17628 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17629 synchronized (mPackages) { 17630 CrossProfileIntentResolver resolver = 17631 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17632 ArraySet<CrossProfileIntentFilter> set = 17633 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17634 for (CrossProfileIntentFilter filter : set) { 17635 if (filter.getOwnerPackage().equals(ownerPackage)) { 17636 resolver.removeFilter(filter); 17637 } 17638 } 17639 scheduleWritePackageRestrictionsLocked(sourceUserId); 17640 } 17641 } 17642 17643 // Enforcing that callingUid is owning pkg on userId 17644 private void enforceOwnerRights(String pkg, int callingUid) { 17645 // The system owns everything. 17646 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17647 return; 17648 } 17649 int callingUserId = UserHandle.getUserId(callingUid); 17650 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17651 if (pi == null) { 17652 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17653 + callingUserId); 17654 } 17655 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17656 throw new SecurityException("Calling uid " + callingUid 17657 + " does not own package " + pkg); 17658 } 17659 } 17660 17661 @Override 17662 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17663 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17664 } 17665 17666 private Intent getHomeIntent() { 17667 Intent intent = new Intent(Intent.ACTION_MAIN); 17668 intent.addCategory(Intent.CATEGORY_HOME); 17669 intent.addCategory(Intent.CATEGORY_DEFAULT); 17670 return intent; 17671 } 17672 17673 private IntentFilter getHomeFilter() { 17674 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17675 filter.addCategory(Intent.CATEGORY_HOME); 17676 filter.addCategory(Intent.CATEGORY_DEFAULT); 17677 return filter; 17678 } 17679 17680 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17681 int userId) { 17682 Intent intent = getHomeIntent(); 17683 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17684 PackageManager.GET_META_DATA, userId); 17685 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17686 true, false, false, userId); 17687 17688 allHomeCandidates.clear(); 17689 if (list != null) { 17690 for (ResolveInfo ri : list) { 17691 allHomeCandidates.add(ri); 17692 } 17693 } 17694 return (preferred == null || preferred.activityInfo == null) 17695 ? null 17696 : new ComponentName(preferred.activityInfo.packageName, 17697 preferred.activityInfo.name); 17698 } 17699 17700 @Override 17701 public void setHomeActivity(ComponentName comp, int userId) { 17702 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17703 getHomeActivitiesAsUser(homeActivities, userId); 17704 17705 boolean found = false; 17706 17707 final int size = homeActivities.size(); 17708 final ComponentName[] set = new ComponentName[size]; 17709 for (int i = 0; i < size; i++) { 17710 final ResolveInfo candidate = homeActivities.get(i); 17711 final ActivityInfo info = candidate.activityInfo; 17712 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17713 set[i] = activityName; 17714 if (!found && activityName.equals(comp)) { 17715 found = true; 17716 } 17717 } 17718 if (!found) { 17719 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17720 + userId); 17721 } 17722 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17723 set, comp, userId); 17724 } 17725 17726 private @Nullable String getSetupWizardPackageName() { 17727 final Intent intent = new Intent(Intent.ACTION_MAIN); 17728 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17729 17730 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17731 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17732 | MATCH_DISABLED_COMPONENTS, 17733 UserHandle.myUserId()); 17734 if (matches.size() == 1) { 17735 return matches.get(0).getComponentInfo().packageName; 17736 } else { 17737 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17738 + ": matches=" + matches); 17739 return null; 17740 } 17741 } 17742 17743 @Override 17744 public void setApplicationEnabledSetting(String appPackageName, 17745 int newState, int flags, int userId, String callingPackage) { 17746 if (!sUserManager.exists(userId)) return; 17747 if (callingPackage == null) { 17748 callingPackage = Integer.toString(Binder.getCallingUid()); 17749 } 17750 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17751 } 17752 17753 @Override 17754 public void setComponentEnabledSetting(ComponentName componentName, 17755 int newState, int flags, int userId) { 17756 if (!sUserManager.exists(userId)) return; 17757 setEnabledSetting(componentName.getPackageName(), 17758 componentName.getClassName(), newState, flags, userId, null); 17759 } 17760 17761 private void setEnabledSetting(final String packageName, String className, int newState, 17762 final int flags, int userId, String callingPackage) { 17763 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17764 || newState == COMPONENT_ENABLED_STATE_ENABLED 17765 || newState == COMPONENT_ENABLED_STATE_DISABLED 17766 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17767 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17768 throw new IllegalArgumentException("Invalid new component state: " 17769 + newState); 17770 } 17771 PackageSetting pkgSetting; 17772 final int uid = Binder.getCallingUid(); 17773 final int permission; 17774 if (uid == Process.SYSTEM_UID) { 17775 permission = PackageManager.PERMISSION_GRANTED; 17776 } else { 17777 permission = mContext.checkCallingOrSelfPermission( 17778 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17779 } 17780 enforceCrossUserPermission(uid, userId, 17781 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17782 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17783 boolean sendNow = false; 17784 boolean isApp = (className == null); 17785 String componentName = isApp ? packageName : className; 17786 int packageUid = -1; 17787 ArrayList<String> components; 17788 17789 // writer 17790 synchronized (mPackages) { 17791 pkgSetting = mSettings.mPackages.get(packageName); 17792 if (pkgSetting == null) { 17793 if (className == null) { 17794 throw new IllegalArgumentException("Unknown package: " + packageName); 17795 } 17796 throw new IllegalArgumentException( 17797 "Unknown component: " + packageName + "/" + className); 17798 } 17799 } 17800 17801 // Limit who can change which apps 17802 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17803 // Don't allow apps that don't have permission to modify other apps 17804 if (!allowedByPermission) { 17805 throw new SecurityException( 17806 "Permission Denial: attempt to change component state from pid=" 17807 + Binder.getCallingPid() 17808 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17809 } 17810 // Don't allow changing protected packages. 17811 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17812 throw new SecurityException("Cannot disable a protected package: " + packageName); 17813 } 17814 } 17815 17816 synchronized (mPackages) { 17817 if (uid == Process.SHELL_UID) { 17818 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17819 int oldState = pkgSetting.getEnabled(userId); 17820 if (className == null 17821 && 17822 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17823 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17824 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17825 && 17826 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17827 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17828 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17829 // ok 17830 } else { 17831 throw new SecurityException( 17832 "Shell cannot change component state for " + packageName + "/" 17833 + className + " to " + newState); 17834 } 17835 } 17836 if (className == null) { 17837 // We're dealing with an application/package level state change 17838 if (pkgSetting.getEnabled(userId) == newState) { 17839 // Nothing to do 17840 return; 17841 } 17842 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17843 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17844 // Don't care about who enables an app. 17845 callingPackage = null; 17846 } 17847 pkgSetting.setEnabled(newState, userId, callingPackage); 17848 // pkgSetting.pkg.mSetEnabled = newState; 17849 } else { 17850 // We're dealing with a component level state change 17851 // First, verify that this is a valid class name. 17852 PackageParser.Package pkg = pkgSetting.pkg; 17853 if (pkg == null || !pkg.hasComponentClassName(className)) { 17854 if (pkg != null && 17855 pkg.applicationInfo.targetSdkVersion >= 17856 Build.VERSION_CODES.JELLY_BEAN) { 17857 throw new IllegalArgumentException("Component class " + className 17858 + " does not exist in " + packageName); 17859 } else { 17860 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17861 + className + " does not exist in " + packageName); 17862 } 17863 } 17864 switch (newState) { 17865 case COMPONENT_ENABLED_STATE_ENABLED: 17866 if (!pkgSetting.enableComponentLPw(className, userId)) { 17867 return; 17868 } 17869 break; 17870 case COMPONENT_ENABLED_STATE_DISABLED: 17871 if (!pkgSetting.disableComponentLPw(className, userId)) { 17872 return; 17873 } 17874 break; 17875 case COMPONENT_ENABLED_STATE_DEFAULT: 17876 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17877 return; 17878 } 17879 break; 17880 default: 17881 Slog.e(TAG, "Invalid new component state: " + newState); 17882 return; 17883 } 17884 } 17885 scheduleWritePackageRestrictionsLocked(userId); 17886 components = mPendingBroadcasts.get(userId, packageName); 17887 final boolean newPackage = components == null; 17888 if (newPackage) { 17889 components = new ArrayList<String>(); 17890 } 17891 if (!components.contains(componentName)) { 17892 components.add(componentName); 17893 } 17894 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17895 sendNow = true; 17896 // Purge entry from pending broadcast list if another one exists already 17897 // since we are sending one right away. 17898 mPendingBroadcasts.remove(userId, packageName); 17899 } else { 17900 if (newPackage) { 17901 mPendingBroadcasts.put(userId, packageName, components); 17902 } 17903 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17904 // Schedule a message 17905 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17906 } 17907 } 17908 } 17909 17910 long callingId = Binder.clearCallingIdentity(); 17911 try { 17912 if (sendNow) { 17913 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17914 sendPackageChangedBroadcast(packageName, 17915 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17916 } 17917 } finally { 17918 Binder.restoreCallingIdentity(callingId); 17919 } 17920 } 17921 17922 @Override 17923 public void flushPackageRestrictionsAsUser(int userId) { 17924 if (!sUserManager.exists(userId)) { 17925 return; 17926 } 17927 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17928 false /* checkShell */, "flushPackageRestrictions"); 17929 synchronized (mPackages) { 17930 mSettings.writePackageRestrictionsLPr(userId); 17931 mDirtyUsers.remove(userId); 17932 if (mDirtyUsers.isEmpty()) { 17933 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17934 } 17935 } 17936 } 17937 17938 private void sendPackageChangedBroadcast(String packageName, 17939 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17940 if (DEBUG_INSTALL) 17941 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17942 + componentNames); 17943 Bundle extras = new Bundle(4); 17944 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17945 String nameList[] = new String[componentNames.size()]; 17946 componentNames.toArray(nameList); 17947 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17948 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17949 extras.putInt(Intent.EXTRA_UID, packageUid); 17950 // If this is not reporting a change of the overall package, then only send it 17951 // to registered receivers. We don't want to launch a swath of apps for every 17952 // little component state change. 17953 final int flags = !componentNames.contains(packageName) 17954 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17955 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17956 new int[] {UserHandle.getUserId(packageUid)}); 17957 } 17958 17959 @Override 17960 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17961 if (!sUserManager.exists(userId)) return; 17962 final int uid = Binder.getCallingUid(); 17963 final int permission = mContext.checkCallingOrSelfPermission( 17964 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17965 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17966 enforceCrossUserPermission(uid, userId, 17967 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17968 // writer 17969 synchronized (mPackages) { 17970 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17971 allowedByPermission, uid, userId)) { 17972 scheduleWritePackageRestrictionsLocked(userId); 17973 } 17974 } 17975 } 17976 17977 @Override 17978 public String getInstallerPackageName(String packageName) { 17979 // reader 17980 synchronized (mPackages) { 17981 return mSettings.getInstallerPackageNameLPr(packageName); 17982 } 17983 } 17984 17985 public boolean isOrphaned(String packageName) { 17986 // reader 17987 synchronized (mPackages) { 17988 return mSettings.isOrphaned(packageName); 17989 } 17990 } 17991 17992 @Override 17993 public int getApplicationEnabledSetting(String packageName, int userId) { 17994 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17995 int uid = Binder.getCallingUid(); 17996 enforceCrossUserPermission(uid, userId, 17997 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17998 // reader 17999 synchronized (mPackages) { 18000 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18001 } 18002 } 18003 18004 @Override 18005 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18006 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18007 int uid = Binder.getCallingUid(); 18008 enforceCrossUserPermission(uid, userId, 18009 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18010 // reader 18011 synchronized (mPackages) { 18012 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18013 } 18014 } 18015 18016 @Override 18017 public void enterSafeMode() { 18018 enforceSystemOrRoot("Only the system can request entering safe mode"); 18019 18020 if (!mSystemReady) { 18021 mSafeMode = true; 18022 } 18023 } 18024 18025 @Override 18026 public void systemReady() { 18027 mSystemReady = true; 18028 18029 // Read the compatibilty setting when the system is ready. 18030 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18031 mContext.getContentResolver(), 18032 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18033 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18034 if (DEBUG_SETTINGS) { 18035 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18036 } 18037 18038 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18039 18040 synchronized (mPackages) { 18041 // Verify that all of the preferred activity components actually 18042 // exist. It is possible for applications to be updated and at 18043 // that point remove a previously declared activity component that 18044 // had been set as a preferred activity. We try to clean this up 18045 // the next time we encounter that preferred activity, but it is 18046 // possible for the user flow to never be able to return to that 18047 // situation so here we do a sanity check to make sure we haven't 18048 // left any junk around. 18049 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18050 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18051 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18052 removed.clear(); 18053 for (PreferredActivity pa : pir.filterSet()) { 18054 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18055 removed.add(pa); 18056 } 18057 } 18058 if (removed.size() > 0) { 18059 for (int r=0; r<removed.size(); r++) { 18060 PreferredActivity pa = removed.get(r); 18061 Slog.w(TAG, "Removing dangling preferred activity: " 18062 + pa.mPref.mComponent); 18063 pir.removeFilter(pa); 18064 } 18065 mSettings.writePackageRestrictionsLPr( 18066 mSettings.mPreferredActivities.keyAt(i)); 18067 } 18068 } 18069 18070 for (int userId : UserManagerService.getInstance().getUserIds()) { 18071 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18072 grantPermissionsUserIds = ArrayUtils.appendInt( 18073 grantPermissionsUserIds, userId); 18074 } 18075 } 18076 } 18077 sUserManager.systemReady(); 18078 18079 // If we upgraded grant all default permissions before kicking off. 18080 for (int userId : grantPermissionsUserIds) { 18081 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18082 } 18083 18084 // Kick off any messages waiting for system ready 18085 if (mPostSystemReadyMessages != null) { 18086 for (Message msg : mPostSystemReadyMessages) { 18087 msg.sendToTarget(); 18088 } 18089 mPostSystemReadyMessages = null; 18090 } 18091 18092 // Watch for external volumes that come and go over time 18093 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18094 storage.registerListener(mStorageListener); 18095 18096 mInstallerService.systemReady(); 18097 mPackageDexOptimizer.systemReady(); 18098 18099 MountServiceInternal mountServiceInternal = LocalServices.getService( 18100 MountServiceInternal.class); 18101 mountServiceInternal.addExternalStoragePolicy( 18102 new MountServiceInternal.ExternalStorageMountPolicy() { 18103 @Override 18104 public int getMountMode(int uid, String packageName) { 18105 if (Process.isIsolated(uid)) { 18106 return Zygote.MOUNT_EXTERNAL_NONE; 18107 } 18108 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18109 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18110 } 18111 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18112 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18113 } 18114 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18115 return Zygote.MOUNT_EXTERNAL_READ; 18116 } 18117 return Zygote.MOUNT_EXTERNAL_WRITE; 18118 } 18119 18120 @Override 18121 public boolean hasExternalStorage(int uid, String packageName) { 18122 return true; 18123 } 18124 }); 18125 18126 // Now that we're mostly running, clean up stale users and apps 18127 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18128 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18129 } 18130 18131 @Override 18132 public boolean isSafeMode() { 18133 return mSafeMode; 18134 } 18135 18136 @Override 18137 public boolean hasSystemUidErrors() { 18138 return mHasSystemUidErrors; 18139 } 18140 18141 static String arrayToString(int[] array) { 18142 StringBuffer buf = new StringBuffer(128); 18143 buf.append('['); 18144 if (array != null) { 18145 for (int i=0; i<array.length; i++) { 18146 if (i > 0) buf.append(", "); 18147 buf.append(array[i]); 18148 } 18149 } 18150 buf.append(']'); 18151 return buf.toString(); 18152 } 18153 18154 static class DumpState { 18155 public static final int DUMP_LIBS = 1 << 0; 18156 public static final int DUMP_FEATURES = 1 << 1; 18157 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18158 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18159 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18160 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18161 public static final int DUMP_PERMISSIONS = 1 << 6; 18162 public static final int DUMP_PACKAGES = 1 << 7; 18163 public static final int DUMP_SHARED_USERS = 1 << 8; 18164 public static final int DUMP_MESSAGES = 1 << 9; 18165 public static final int DUMP_PROVIDERS = 1 << 10; 18166 public static final int DUMP_VERIFIERS = 1 << 11; 18167 public static final int DUMP_PREFERRED = 1 << 12; 18168 public static final int DUMP_PREFERRED_XML = 1 << 13; 18169 public static final int DUMP_KEYSETS = 1 << 14; 18170 public static final int DUMP_VERSION = 1 << 15; 18171 public static final int DUMP_INSTALLS = 1 << 16; 18172 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18173 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18174 public static final int DUMP_FROZEN = 1 << 19; 18175 public static final int DUMP_DEXOPT = 1 << 20; 18176 18177 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18178 18179 private int mTypes; 18180 18181 private int mOptions; 18182 18183 private boolean mTitlePrinted; 18184 18185 private SharedUserSetting mSharedUser; 18186 18187 public boolean isDumping(int type) { 18188 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18189 return true; 18190 } 18191 18192 return (mTypes & type) != 0; 18193 } 18194 18195 public void setDump(int type) { 18196 mTypes |= type; 18197 } 18198 18199 public boolean isOptionEnabled(int option) { 18200 return (mOptions & option) != 0; 18201 } 18202 18203 public void setOptionEnabled(int option) { 18204 mOptions |= option; 18205 } 18206 18207 public boolean onTitlePrinted() { 18208 final boolean printed = mTitlePrinted; 18209 mTitlePrinted = true; 18210 return printed; 18211 } 18212 18213 public boolean getTitlePrinted() { 18214 return mTitlePrinted; 18215 } 18216 18217 public void setTitlePrinted(boolean enabled) { 18218 mTitlePrinted = enabled; 18219 } 18220 18221 public SharedUserSetting getSharedUser() { 18222 return mSharedUser; 18223 } 18224 18225 public void setSharedUser(SharedUserSetting user) { 18226 mSharedUser = user; 18227 } 18228 } 18229 18230 @Override 18231 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18232 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18233 (new PackageManagerShellCommand(this)).exec( 18234 this, in, out, err, args, resultReceiver); 18235 } 18236 18237 @Override 18238 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18239 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18240 != PackageManager.PERMISSION_GRANTED) { 18241 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18242 + Binder.getCallingPid() 18243 + ", uid=" + Binder.getCallingUid() 18244 + " without permission " 18245 + android.Manifest.permission.DUMP); 18246 return; 18247 } 18248 18249 DumpState dumpState = new DumpState(); 18250 boolean fullPreferred = false; 18251 boolean checkin = false; 18252 18253 String packageName = null; 18254 ArraySet<String> permissionNames = null; 18255 18256 int opti = 0; 18257 while (opti < args.length) { 18258 String opt = args[opti]; 18259 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18260 break; 18261 } 18262 opti++; 18263 18264 if ("-a".equals(opt)) { 18265 // Right now we only know how to print all. 18266 } else if ("-h".equals(opt)) { 18267 pw.println("Package manager dump options:"); 18268 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18269 pw.println(" --checkin: dump for a checkin"); 18270 pw.println(" -f: print details of intent filters"); 18271 pw.println(" -h: print this help"); 18272 pw.println(" cmd may be one of:"); 18273 pw.println(" l[ibraries]: list known shared libraries"); 18274 pw.println(" f[eatures]: list device features"); 18275 pw.println(" k[eysets]: print known keysets"); 18276 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18277 pw.println(" perm[issions]: dump permissions"); 18278 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18279 pw.println(" pref[erred]: print preferred package settings"); 18280 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18281 pw.println(" prov[iders]: dump content providers"); 18282 pw.println(" p[ackages]: dump installed packages"); 18283 pw.println(" s[hared-users]: dump shared user IDs"); 18284 pw.println(" m[essages]: print collected runtime messages"); 18285 pw.println(" v[erifiers]: print package verifier info"); 18286 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18287 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18288 pw.println(" version: print database version info"); 18289 pw.println(" write: write current settings now"); 18290 pw.println(" installs: details about install sessions"); 18291 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18292 pw.println(" dexopt: dump dexopt state"); 18293 pw.println(" <package.name>: info about given package"); 18294 return; 18295 } else if ("--checkin".equals(opt)) { 18296 checkin = true; 18297 } else if ("-f".equals(opt)) { 18298 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18299 } else { 18300 pw.println("Unknown argument: " + opt + "; use -h for help"); 18301 } 18302 } 18303 18304 // Is the caller requesting to dump a particular piece of data? 18305 if (opti < args.length) { 18306 String cmd = args[opti]; 18307 opti++; 18308 // Is this a package name? 18309 if ("android".equals(cmd) || cmd.contains(".")) { 18310 packageName = cmd; 18311 // When dumping a single package, we always dump all of its 18312 // filter information since the amount of data will be reasonable. 18313 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18314 } else if ("check-permission".equals(cmd)) { 18315 if (opti >= args.length) { 18316 pw.println("Error: check-permission missing permission argument"); 18317 return; 18318 } 18319 String perm = args[opti]; 18320 opti++; 18321 if (opti >= args.length) { 18322 pw.println("Error: check-permission missing package argument"); 18323 return; 18324 } 18325 String pkg = args[opti]; 18326 opti++; 18327 int user = UserHandle.getUserId(Binder.getCallingUid()); 18328 if (opti < args.length) { 18329 try { 18330 user = Integer.parseInt(args[opti]); 18331 } catch (NumberFormatException e) { 18332 pw.println("Error: check-permission user argument is not a number: " 18333 + args[opti]); 18334 return; 18335 } 18336 } 18337 pw.println(checkPermission(perm, pkg, user)); 18338 return; 18339 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18340 dumpState.setDump(DumpState.DUMP_LIBS); 18341 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18342 dumpState.setDump(DumpState.DUMP_FEATURES); 18343 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18344 if (opti >= args.length) { 18345 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18346 | DumpState.DUMP_SERVICE_RESOLVERS 18347 | DumpState.DUMP_RECEIVER_RESOLVERS 18348 | DumpState.DUMP_CONTENT_RESOLVERS); 18349 } else { 18350 while (opti < args.length) { 18351 String name = args[opti]; 18352 if ("a".equals(name) || "activity".equals(name)) { 18353 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18354 } else if ("s".equals(name) || "service".equals(name)) { 18355 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18356 } else if ("r".equals(name) || "receiver".equals(name)) { 18357 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18358 } else if ("c".equals(name) || "content".equals(name)) { 18359 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18360 } else { 18361 pw.println("Error: unknown resolver table type: " + name); 18362 return; 18363 } 18364 opti++; 18365 } 18366 } 18367 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18368 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18369 } else if ("permission".equals(cmd)) { 18370 if (opti >= args.length) { 18371 pw.println("Error: permission requires permission name"); 18372 return; 18373 } 18374 permissionNames = new ArraySet<>(); 18375 while (opti < args.length) { 18376 permissionNames.add(args[opti]); 18377 opti++; 18378 } 18379 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18380 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18381 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18382 dumpState.setDump(DumpState.DUMP_PREFERRED); 18383 } else if ("preferred-xml".equals(cmd)) { 18384 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18385 if (opti < args.length && "--full".equals(args[opti])) { 18386 fullPreferred = true; 18387 opti++; 18388 } 18389 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18390 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18391 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18392 dumpState.setDump(DumpState.DUMP_PACKAGES); 18393 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18394 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18395 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18396 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18397 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18398 dumpState.setDump(DumpState.DUMP_MESSAGES); 18399 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18400 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18401 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18402 || "intent-filter-verifiers".equals(cmd)) { 18403 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18404 } else if ("version".equals(cmd)) { 18405 dumpState.setDump(DumpState.DUMP_VERSION); 18406 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18407 dumpState.setDump(DumpState.DUMP_KEYSETS); 18408 } else if ("installs".equals(cmd)) { 18409 dumpState.setDump(DumpState.DUMP_INSTALLS); 18410 } else if ("frozen".equals(cmd)) { 18411 dumpState.setDump(DumpState.DUMP_FROZEN); 18412 } else if ("dexopt".equals(cmd)) { 18413 dumpState.setDump(DumpState.DUMP_DEXOPT); 18414 } else if ("write".equals(cmd)) { 18415 synchronized (mPackages) { 18416 mSettings.writeLPr(); 18417 pw.println("Settings written."); 18418 return; 18419 } 18420 } 18421 } 18422 18423 if (checkin) { 18424 pw.println("vers,1"); 18425 } 18426 18427 // reader 18428 synchronized (mPackages) { 18429 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18430 if (!checkin) { 18431 if (dumpState.onTitlePrinted()) 18432 pw.println(); 18433 pw.println("Database versions:"); 18434 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18435 } 18436 } 18437 18438 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18439 if (!checkin) { 18440 if (dumpState.onTitlePrinted()) 18441 pw.println(); 18442 pw.println("Verifiers:"); 18443 pw.print(" Required: "); 18444 pw.print(mRequiredVerifierPackage); 18445 pw.print(" (uid="); 18446 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18447 UserHandle.USER_SYSTEM)); 18448 pw.println(")"); 18449 } else if (mRequiredVerifierPackage != null) { 18450 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18451 pw.print(","); 18452 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18453 UserHandle.USER_SYSTEM)); 18454 } 18455 } 18456 18457 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18458 packageName == null) { 18459 if (mIntentFilterVerifierComponent != null) { 18460 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18461 if (!checkin) { 18462 if (dumpState.onTitlePrinted()) 18463 pw.println(); 18464 pw.println("Intent Filter Verifier:"); 18465 pw.print(" Using: "); 18466 pw.print(verifierPackageName); 18467 pw.print(" (uid="); 18468 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18469 UserHandle.USER_SYSTEM)); 18470 pw.println(")"); 18471 } else if (verifierPackageName != null) { 18472 pw.print("ifv,"); pw.print(verifierPackageName); 18473 pw.print(","); 18474 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18475 UserHandle.USER_SYSTEM)); 18476 } 18477 } else { 18478 pw.println(); 18479 pw.println("No Intent Filter Verifier available!"); 18480 } 18481 } 18482 18483 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18484 boolean printedHeader = false; 18485 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18486 while (it.hasNext()) { 18487 String name = it.next(); 18488 SharedLibraryEntry ent = mSharedLibraries.get(name); 18489 if (!checkin) { 18490 if (!printedHeader) { 18491 if (dumpState.onTitlePrinted()) 18492 pw.println(); 18493 pw.println("Libraries:"); 18494 printedHeader = true; 18495 } 18496 pw.print(" "); 18497 } else { 18498 pw.print("lib,"); 18499 } 18500 pw.print(name); 18501 if (!checkin) { 18502 pw.print(" -> "); 18503 } 18504 if (ent.path != null) { 18505 if (!checkin) { 18506 pw.print("(jar) "); 18507 pw.print(ent.path); 18508 } else { 18509 pw.print(",jar,"); 18510 pw.print(ent.path); 18511 } 18512 } else { 18513 if (!checkin) { 18514 pw.print("(apk) "); 18515 pw.print(ent.apk); 18516 } else { 18517 pw.print(",apk,"); 18518 pw.print(ent.apk); 18519 } 18520 } 18521 pw.println(); 18522 } 18523 } 18524 18525 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18526 if (dumpState.onTitlePrinted()) 18527 pw.println(); 18528 if (!checkin) { 18529 pw.println("Features:"); 18530 } 18531 18532 for (FeatureInfo feat : mAvailableFeatures.values()) { 18533 if (checkin) { 18534 pw.print("feat,"); 18535 pw.print(feat.name); 18536 pw.print(","); 18537 pw.println(feat.version); 18538 } else { 18539 pw.print(" "); 18540 pw.print(feat.name); 18541 if (feat.version > 0) { 18542 pw.print(" version="); 18543 pw.print(feat.version); 18544 } 18545 pw.println(); 18546 } 18547 } 18548 } 18549 18550 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18551 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18552 : "Activity Resolver Table:", " ", packageName, 18553 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18554 dumpState.setTitlePrinted(true); 18555 } 18556 } 18557 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18558 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18559 : "Receiver Resolver Table:", " ", packageName, 18560 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18561 dumpState.setTitlePrinted(true); 18562 } 18563 } 18564 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18565 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18566 : "Service Resolver Table:", " ", packageName, 18567 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18568 dumpState.setTitlePrinted(true); 18569 } 18570 } 18571 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18572 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18573 : "Provider Resolver Table:", " ", packageName, 18574 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18575 dumpState.setTitlePrinted(true); 18576 } 18577 } 18578 18579 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18580 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18581 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18582 int user = mSettings.mPreferredActivities.keyAt(i); 18583 if (pir.dump(pw, 18584 dumpState.getTitlePrinted() 18585 ? "\nPreferred Activities User " + user + ":" 18586 : "Preferred Activities User " + user + ":", " ", 18587 packageName, true, false)) { 18588 dumpState.setTitlePrinted(true); 18589 } 18590 } 18591 } 18592 18593 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18594 pw.flush(); 18595 FileOutputStream fout = new FileOutputStream(fd); 18596 BufferedOutputStream str = new BufferedOutputStream(fout); 18597 XmlSerializer serializer = new FastXmlSerializer(); 18598 try { 18599 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18600 serializer.startDocument(null, true); 18601 serializer.setFeature( 18602 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18603 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18604 serializer.endDocument(); 18605 serializer.flush(); 18606 } catch (IllegalArgumentException e) { 18607 pw.println("Failed writing: " + e); 18608 } catch (IllegalStateException e) { 18609 pw.println("Failed writing: " + e); 18610 } catch (IOException e) { 18611 pw.println("Failed writing: " + e); 18612 } 18613 } 18614 18615 if (!checkin 18616 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18617 && packageName == null) { 18618 pw.println(); 18619 int count = mSettings.mPackages.size(); 18620 if (count == 0) { 18621 pw.println("No applications!"); 18622 pw.println(); 18623 } else { 18624 final String prefix = " "; 18625 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18626 if (allPackageSettings.size() == 0) { 18627 pw.println("No domain preferred apps!"); 18628 pw.println(); 18629 } else { 18630 pw.println("App verification status:"); 18631 pw.println(); 18632 count = 0; 18633 for (PackageSetting ps : allPackageSettings) { 18634 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18635 if (ivi == null || ivi.getPackageName() == null) continue; 18636 pw.println(prefix + "Package: " + ivi.getPackageName()); 18637 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18638 pw.println(prefix + "Status: " + ivi.getStatusString()); 18639 pw.println(); 18640 count++; 18641 } 18642 if (count == 0) { 18643 pw.println(prefix + "No app verification established."); 18644 pw.println(); 18645 } 18646 for (int userId : sUserManager.getUserIds()) { 18647 pw.println("App linkages for user " + userId + ":"); 18648 pw.println(); 18649 count = 0; 18650 for (PackageSetting ps : allPackageSettings) { 18651 final long status = ps.getDomainVerificationStatusForUser(userId); 18652 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18653 continue; 18654 } 18655 pw.println(prefix + "Package: " + ps.name); 18656 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18657 String statusStr = IntentFilterVerificationInfo. 18658 getStatusStringFromValue(status); 18659 pw.println(prefix + "Status: " + statusStr); 18660 pw.println(); 18661 count++; 18662 } 18663 if (count == 0) { 18664 pw.println(prefix + "No configured app linkages."); 18665 pw.println(); 18666 } 18667 } 18668 } 18669 } 18670 } 18671 18672 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18673 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18674 if (packageName == null && permissionNames == null) { 18675 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18676 if (iperm == 0) { 18677 if (dumpState.onTitlePrinted()) 18678 pw.println(); 18679 pw.println("AppOp Permissions:"); 18680 } 18681 pw.print(" AppOp Permission "); 18682 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18683 pw.println(":"); 18684 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18685 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18686 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18687 } 18688 } 18689 } 18690 } 18691 18692 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18693 boolean printedSomething = false; 18694 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18695 if (packageName != null && !packageName.equals(p.info.packageName)) { 18696 continue; 18697 } 18698 if (!printedSomething) { 18699 if (dumpState.onTitlePrinted()) 18700 pw.println(); 18701 pw.println("Registered ContentProviders:"); 18702 printedSomething = true; 18703 } 18704 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18705 pw.print(" "); pw.println(p.toString()); 18706 } 18707 printedSomething = false; 18708 for (Map.Entry<String, PackageParser.Provider> entry : 18709 mProvidersByAuthority.entrySet()) { 18710 PackageParser.Provider p = entry.getValue(); 18711 if (packageName != null && !packageName.equals(p.info.packageName)) { 18712 continue; 18713 } 18714 if (!printedSomething) { 18715 if (dumpState.onTitlePrinted()) 18716 pw.println(); 18717 pw.println("ContentProvider Authorities:"); 18718 printedSomething = true; 18719 } 18720 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18721 pw.print(" "); pw.println(p.toString()); 18722 if (p.info != null && p.info.applicationInfo != null) { 18723 final String appInfo = p.info.applicationInfo.toString(); 18724 pw.print(" applicationInfo="); pw.println(appInfo); 18725 } 18726 } 18727 } 18728 18729 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18730 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18731 } 18732 18733 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18734 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18735 } 18736 18737 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18738 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18739 } 18740 18741 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18742 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18743 } 18744 18745 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18746 // XXX should handle packageName != null by dumping only install data that 18747 // the given package is involved with. 18748 if (dumpState.onTitlePrinted()) pw.println(); 18749 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18750 } 18751 18752 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18753 // XXX should handle packageName != null by dumping only install data that 18754 // the given package is involved with. 18755 if (dumpState.onTitlePrinted()) pw.println(); 18756 18757 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18758 ipw.println(); 18759 ipw.println("Frozen packages:"); 18760 ipw.increaseIndent(); 18761 if (mFrozenPackages.size() == 0) { 18762 ipw.println("(none)"); 18763 } else { 18764 for (int i = 0; i < mFrozenPackages.size(); i++) { 18765 ipw.println(mFrozenPackages.valueAt(i)); 18766 } 18767 } 18768 ipw.decreaseIndent(); 18769 } 18770 18771 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18772 if (dumpState.onTitlePrinted()) pw.println(); 18773 dumpDexoptStateLPr(pw, packageName); 18774 } 18775 18776 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18777 if (dumpState.onTitlePrinted()) pw.println(); 18778 mSettings.dumpReadMessagesLPr(pw, dumpState); 18779 18780 pw.println(); 18781 pw.println("Package warning messages:"); 18782 BufferedReader in = null; 18783 String line = null; 18784 try { 18785 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18786 while ((line = in.readLine()) != null) { 18787 if (line.contains("ignored: updated version")) continue; 18788 pw.println(line); 18789 } 18790 } catch (IOException ignored) { 18791 } finally { 18792 IoUtils.closeQuietly(in); 18793 } 18794 } 18795 18796 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18797 BufferedReader in = null; 18798 String line = null; 18799 try { 18800 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18801 while ((line = in.readLine()) != null) { 18802 if (line.contains("ignored: updated version")) continue; 18803 pw.print("msg,"); 18804 pw.println(line); 18805 } 18806 } catch (IOException ignored) { 18807 } finally { 18808 IoUtils.closeQuietly(in); 18809 } 18810 } 18811 } 18812 } 18813 18814 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18815 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18816 ipw.println(); 18817 ipw.println("Dexopt state:"); 18818 ipw.increaseIndent(); 18819 Collection<PackageParser.Package> packages = null; 18820 if (packageName != null) { 18821 PackageParser.Package targetPackage = mPackages.get(packageName); 18822 if (targetPackage != null) { 18823 packages = Collections.singletonList(targetPackage); 18824 } else { 18825 ipw.println("Unable to find package: " + packageName); 18826 return; 18827 } 18828 } else { 18829 packages = mPackages.values(); 18830 } 18831 18832 for (PackageParser.Package pkg : packages) { 18833 ipw.println("[" + pkg.packageName + "]"); 18834 ipw.increaseIndent(); 18835 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18836 ipw.decreaseIndent(); 18837 } 18838 } 18839 18840 private String dumpDomainString(String packageName) { 18841 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18842 .getList(); 18843 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18844 18845 ArraySet<String> result = new ArraySet<>(); 18846 if (iviList.size() > 0) { 18847 for (IntentFilterVerificationInfo ivi : iviList) { 18848 for (String host : ivi.getDomains()) { 18849 result.add(host); 18850 } 18851 } 18852 } 18853 if (filters != null && filters.size() > 0) { 18854 for (IntentFilter filter : filters) { 18855 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18856 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18857 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18858 result.addAll(filter.getHostsList()); 18859 } 18860 } 18861 } 18862 18863 StringBuilder sb = new StringBuilder(result.size() * 16); 18864 for (String domain : result) { 18865 if (sb.length() > 0) sb.append(" "); 18866 sb.append(domain); 18867 } 18868 return sb.toString(); 18869 } 18870 18871 // ------- apps on sdcard specific code ------- 18872 static final boolean DEBUG_SD_INSTALL = false; 18873 18874 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18875 18876 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18877 18878 private boolean mMediaMounted = false; 18879 18880 static String getEncryptKey() { 18881 try { 18882 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18883 SD_ENCRYPTION_KEYSTORE_NAME); 18884 if (sdEncKey == null) { 18885 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18886 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18887 if (sdEncKey == null) { 18888 Slog.e(TAG, "Failed to create encryption keys"); 18889 return null; 18890 } 18891 } 18892 return sdEncKey; 18893 } catch (NoSuchAlgorithmException nsae) { 18894 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18895 return null; 18896 } catch (IOException ioe) { 18897 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18898 return null; 18899 } 18900 } 18901 18902 /* 18903 * Update media status on PackageManager. 18904 */ 18905 @Override 18906 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18907 int callingUid = Binder.getCallingUid(); 18908 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18909 throw new SecurityException("Media status can only be updated by the system"); 18910 } 18911 // reader; this apparently protects mMediaMounted, but should probably 18912 // be a different lock in that case. 18913 synchronized (mPackages) { 18914 Log.i(TAG, "Updating external media status from " 18915 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18916 + (mediaStatus ? "mounted" : "unmounted")); 18917 if (DEBUG_SD_INSTALL) 18918 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18919 + ", mMediaMounted=" + mMediaMounted); 18920 if (mediaStatus == mMediaMounted) { 18921 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18922 : 0, -1); 18923 mHandler.sendMessage(msg); 18924 return; 18925 } 18926 mMediaMounted = mediaStatus; 18927 } 18928 // Queue up an async operation since the package installation may take a 18929 // little while. 18930 mHandler.post(new Runnable() { 18931 public void run() { 18932 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18933 } 18934 }); 18935 } 18936 18937 /** 18938 * Called by MountService when the initial ASECs to scan are available. 18939 * Should block until all the ASEC containers are finished being scanned. 18940 */ 18941 public void scanAvailableAsecs() { 18942 updateExternalMediaStatusInner(true, false, false); 18943 } 18944 18945 /* 18946 * Collect information of applications on external media, map them against 18947 * existing containers and update information based on current mount status. 18948 * Please note that we always have to report status if reportStatus has been 18949 * set to true especially when unloading packages. 18950 */ 18951 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18952 boolean externalStorage) { 18953 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18954 int[] uidArr = EmptyArray.INT; 18955 18956 final String[] list = PackageHelper.getSecureContainerList(); 18957 if (ArrayUtils.isEmpty(list)) { 18958 Log.i(TAG, "No secure containers found"); 18959 } else { 18960 // Process list of secure containers and categorize them 18961 // as active or stale based on their package internal state. 18962 18963 // reader 18964 synchronized (mPackages) { 18965 for (String cid : list) { 18966 // Leave stages untouched for now; installer service owns them 18967 if (PackageInstallerService.isStageName(cid)) continue; 18968 18969 if (DEBUG_SD_INSTALL) 18970 Log.i(TAG, "Processing container " + cid); 18971 String pkgName = getAsecPackageName(cid); 18972 if (pkgName == null) { 18973 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18974 continue; 18975 } 18976 if (DEBUG_SD_INSTALL) 18977 Log.i(TAG, "Looking for pkg : " + pkgName); 18978 18979 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18980 if (ps == null) { 18981 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18982 continue; 18983 } 18984 18985 /* 18986 * Skip packages that are not external if we're unmounting 18987 * external storage. 18988 */ 18989 if (externalStorage && !isMounted && !isExternal(ps)) { 18990 continue; 18991 } 18992 18993 final AsecInstallArgs args = new AsecInstallArgs(cid, 18994 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18995 // The package status is changed only if the code path 18996 // matches between settings and the container id. 18997 if (ps.codePathString != null 18998 && ps.codePathString.startsWith(args.getCodePath())) { 18999 if (DEBUG_SD_INSTALL) { 19000 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19001 + " at code path: " + ps.codePathString); 19002 } 19003 19004 // We do have a valid package installed on sdcard 19005 processCids.put(args, ps.codePathString); 19006 final int uid = ps.appId; 19007 if (uid != -1) { 19008 uidArr = ArrayUtils.appendInt(uidArr, uid); 19009 } 19010 } else { 19011 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19012 + ps.codePathString); 19013 } 19014 } 19015 } 19016 19017 Arrays.sort(uidArr); 19018 } 19019 19020 // Process packages with valid entries. 19021 if (isMounted) { 19022 if (DEBUG_SD_INSTALL) 19023 Log.i(TAG, "Loading packages"); 19024 loadMediaPackages(processCids, uidArr, externalStorage); 19025 startCleaningPackages(); 19026 mInstallerService.onSecureContainersAvailable(); 19027 } else { 19028 if (DEBUG_SD_INSTALL) 19029 Log.i(TAG, "Unloading packages"); 19030 unloadMediaPackages(processCids, uidArr, reportStatus); 19031 } 19032 } 19033 19034 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19035 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19036 final int size = infos.size(); 19037 final String[] packageNames = new String[size]; 19038 final int[] packageUids = new int[size]; 19039 for (int i = 0; i < size; i++) { 19040 final ApplicationInfo info = infos.get(i); 19041 packageNames[i] = info.packageName; 19042 packageUids[i] = info.uid; 19043 } 19044 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19045 finishedReceiver); 19046 } 19047 19048 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19049 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19050 sendResourcesChangedBroadcast(mediaStatus, replacing, 19051 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19052 } 19053 19054 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19055 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19056 int size = pkgList.length; 19057 if (size > 0) { 19058 // Send broadcasts here 19059 Bundle extras = new Bundle(); 19060 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19061 if (uidArr != null) { 19062 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19063 } 19064 if (replacing) { 19065 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19066 } 19067 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19068 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19069 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19070 } 19071 } 19072 19073 /* 19074 * Look at potentially valid container ids from processCids If package 19075 * information doesn't match the one on record or package scanning fails, 19076 * the cid is added to list of removeCids. We currently don't delete stale 19077 * containers. 19078 */ 19079 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19080 boolean externalStorage) { 19081 ArrayList<String> pkgList = new ArrayList<String>(); 19082 Set<AsecInstallArgs> keys = processCids.keySet(); 19083 19084 for (AsecInstallArgs args : keys) { 19085 String codePath = processCids.get(args); 19086 if (DEBUG_SD_INSTALL) 19087 Log.i(TAG, "Loading container : " + args.cid); 19088 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19089 try { 19090 // Make sure there are no container errors first. 19091 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19092 Slog.e(TAG, "Failed to mount cid : " + args.cid 19093 + " when installing from sdcard"); 19094 continue; 19095 } 19096 // Check code path here. 19097 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19098 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19099 + " does not match one in settings " + codePath); 19100 continue; 19101 } 19102 // Parse package 19103 int parseFlags = mDefParseFlags; 19104 if (args.isExternalAsec()) { 19105 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19106 } 19107 if (args.isFwdLocked()) { 19108 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19109 } 19110 19111 synchronized (mInstallLock) { 19112 PackageParser.Package pkg = null; 19113 try { 19114 // Sadly we don't know the package name yet to freeze it 19115 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19116 SCAN_IGNORE_FROZEN, 0, null); 19117 } catch (PackageManagerException e) { 19118 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19119 } 19120 // Scan the package 19121 if (pkg != null) { 19122 /* 19123 * TODO why is the lock being held? doPostInstall is 19124 * called in other places without the lock. This needs 19125 * to be straightened out. 19126 */ 19127 // writer 19128 synchronized (mPackages) { 19129 retCode = PackageManager.INSTALL_SUCCEEDED; 19130 pkgList.add(pkg.packageName); 19131 // Post process args 19132 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19133 pkg.applicationInfo.uid); 19134 } 19135 } else { 19136 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19137 } 19138 } 19139 19140 } finally { 19141 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19142 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19143 } 19144 } 19145 } 19146 // writer 19147 synchronized (mPackages) { 19148 // If the platform SDK has changed since the last time we booted, 19149 // we need to re-grant app permission to catch any new ones that 19150 // appear. This is really a hack, and means that apps can in some 19151 // cases get permissions that the user didn't initially explicitly 19152 // allow... it would be nice to have some better way to handle 19153 // this situation. 19154 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19155 : mSettings.getInternalVersion(); 19156 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19157 : StorageManager.UUID_PRIVATE_INTERNAL; 19158 19159 int updateFlags = UPDATE_PERMISSIONS_ALL; 19160 if (ver.sdkVersion != mSdkVersion) { 19161 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19162 + mSdkVersion + "; regranting permissions for external"); 19163 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19164 } 19165 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19166 19167 // Yay, everything is now upgraded 19168 ver.forceCurrent(); 19169 19170 // can downgrade to reader 19171 // Persist settings 19172 mSettings.writeLPr(); 19173 } 19174 // Send a broadcast to let everyone know we are done processing 19175 if (pkgList.size() > 0) { 19176 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19177 } 19178 } 19179 19180 /* 19181 * Utility method to unload a list of specified containers 19182 */ 19183 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19184 // Just unmount all valid containers. 19185 for (AsecInstallArgs arg : cidArgs) { 19186 synchronized (mInstallLock) { 19187 arg.doPostDeleteLI(false); 19188 } 19189 } 19190 } 19191 19192 /* 19193 * Unload packages mounted on external media. This involves deleting package 19194 * data from internal structures, sending broadcasts about disabled packages, 19195 * gc'ing to free up references, unmounting all secure containers 19196 * corresponding to packages on external media, and posting a 19197 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19198 * that we always have to post this message if status has been requested no 19199 * matter what. 19200 */ 19201 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19202 final boolean reportStatus) { 19203 if (DEBUG_SD_INSTALL) 19204 Log.i(TAG, "unloading media packages"); 19205 ArrayList<String> pkgList = new ArrayList<String>(); 19206 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19207 final Set<AsecInstallArgs> keys = processCids.keySet(); 19208 for (AsecInstallArgs args : keys) { 19209 String pkgName = args.getPackageName(); 19210 if (DEBUG_SD_INSTALL) 19211 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19212 // Delete package internally 19213 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19214 synchronized (mInstallLock) { 19215 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19216 final boolean res; 19217 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19218 "unloadMediaPackages")) { 19219 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19220 null); 19221 } 19222 if (res) { 19223 pkgList.add(pkgName); 19224 } else { 19225 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19226 failedList.add(args); 19227 } 19228 } 19229 } 19230 19231 // reader 19232 synchronized (mPackages) { 19233 // We didn't update the settings after removing each package; 19234 // write them now for all packages. 19235 mSettings.writeLPr(); 19236 } 19237 19238 // We have to absolutely send UPDATED_MEDIA_STATUS only 19239 // after confirming that all the receivers processed the ordered 19240 // broadcast when packages get disabled, force a gc to clean things up. 19241 // and unload all the containers. 19242 if (pkgList.size() > 0) { 19243 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19244 new IIntentReceiver.Stub() { 19245 public void performReceive(Intent intent, int resultCode, String data, 19246 Bundle extras, boolean ordered, boolean sticky, 19247 int sendingUser) throws RemoteException { 19248 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19249 reportStatus ? 1 : 0, 1, keys); 19250 mHandler.sendMessage(msg); 19251 } 19252 }); 19253 } else { 19254 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19255 keys); 19256 mHandler.sendMessage(msg); 19257 } 19258 } 19259 19260 private void loadPrivatePackages(final VolumeInfo vol) { 19261 mHandler.post(new Runnable() { 19262 @Override 19263 public void run() { 19264 loadPrivatePackagesInner(vol); 19265 } 19266 }); 19267 } 19268 19269 private void loadPrivatePackagesInner(VolumeInfo vol) { 19270 final String volumeUuid = vol.fsUuid; 19271 if (TextUtils.isEmpty(volumeUuid)) { 19272 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19273 return; 19274 } 19275 19276 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19277 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19278 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19279 19280 final VersionInfo ver; 19281 final List<PackageSetting> packages; 19282 synchronized (mPackages) { 19283 ver = mSettings.findOrCreateVersion(volumeUuid); 19284 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19285 } 19286 19287 for (PackageSetting ps : packages) { 19288 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19289 synchronized (mInstallLock) { 19290 final PackageParser.Package pkg; 19291 try { 19292 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19293 loaded.add(pkg.applicationInfo); 19294 19295 } catch (PackageManagerException e) { 19296 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19297 } 19298 19299 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19300 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19301 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19302 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19303 } 19304 } 19305 } 19306 19307 // Reconcile app data for all started/unlocked users 19308 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19309 final UserManager um = mContext.getSystemService(UserManager.class); 19310 UserManagerInternal umInternal = getUserManagerInternal(); 19311 for (UserInfo user : um.getUsers()) { 19312 final int flags; 19313 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19314 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19315 } else if (umInternal.isUserRunning(user.id)) { 19316 flags = StorageManager.FLAG_STORAGE_DE; 19317 } else { 19318 continue; 19319 } 19320 19321 try { 19322 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19323 synchronized (mInstallLock) { 19324 reconcileAppsDataLI(volumeUuid, user.id, flags); 19325 } 19326 } catch (IllegalStateException e) { 19327 // Device was probably ejected, and we'll process that event momentarily 19328 Slog.w(TAG, "Failed to prepare storage: " + e); 19329 } 19330 } 19331 19332 synchronized (mPackages) { 19333 int updateFlags = UPDATE_PERMISSIONS_ALL; 19334 if (ver.sdkVersion != mSdkVersion) { 19335 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19336 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19337 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19338 } 19339 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19340 19341 // Yay, everything is now upgraded 19342 ver.forceCurrent(); 19343 19344 mSettings.writeLPr(); 19345 } 19346 19347 for (PackageFreezer freezer : freezers) { 19348 freezer.close(); 19349 } 19350 19351 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19352 sendResourcesChangedBroadcast(true, false, loaded, null); 19353 } 19354 19355 private void unloadPrivatePackages(final VolumeInfo vol) { 19356 mHandler.post(new Runnable() { 19357 @Override 19358 public void run() { 19359 unloadPrivatePackagesInner(vol); 19360 } 19361 }); 19362 } 19363 19364 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19365 final String volumeUuid = vol.fsUuid; 19366 if (TextUtils.isEmpty(volumeUuid)) { 19367 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19368 return; 19369 } 19370 19371 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19372 synchronized (mInstallLock) { 19373 synchronized (mPackages) { 19374 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19375 for (PackageSetting ps : packages) { 19376 if (ps.pkg == null) continue; 19377 19378 final ApplicationInfo info = ps.pkg.applicationInfo; 19379 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19380 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19381 19382 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19383 "unloadPrivatePackagesInner")) { 19384 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19385 false, null)) { 19386 unloaded.add(info); 19387 } else { 19388 Slog.w(TAG, "Failed to unload " + ps.codePath); 19389 } 19390 } 19391 19392 // Try very hard to release any references to this package 19393 // so we don't risk the system server being killed due to 19394 // open FDs 19395 AttributeCache.instance().removePackage(ps.name); 19396 } 19397 19398 mSettings.writeLPr(); 19399 } 19400 } 19401 19402 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19403 sendResourcesChangedBroadcast(false, false, unloaded, null); 19404 19405 // Try very hard to release any references to this path so we don't risk 19406 // the system server being killed due to open FDs 19407 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19408 19409 for (int i = 0; i < 3; i++) { 19410 System.gc(); 19411 System.runFinalization(); 19412 } 19413 } 19414 19415 /** 19416 * Prepare storage areas for given user on all mounted devices. 19417 */ 19418 void prepareUserData(int userId, int userSerial, int flags) { 19419 synchronized (mInstallLock) { 19420 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19421 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19422 final String volumeUuid = vol.getFsUuid(); 19423 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19424 } 19425 } 19426 } 19427 19428 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19429 boolean allowRecover) { 19430 // Prepare storage and verify that serial numbers are consistent; if 19431 // there's a mismatch we need to destroy to avoid leaking data 19432 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19433 try { 19434 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19435 19436 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19437 UserManagerService.enforceSerialNumber( 19438 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19439 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19440 UserManagerService.enforceSerialNumber( 19441 Environment.getDataSystemDeDirectory(userId), userSerial); 19442 } 19443 } 19444 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19445 UserManagerService.enforceSerialNumber( 19446 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19447 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19448 UserManagerService.enforceSerialNumber( 19449 Environment.getDataSystemCeDirectory(userId), userSerial); 19450 } 19451 } 19452 19453 synchronized (mInstallLock) { 19454 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19455 } 19456 } catch (Exception e) { 19457 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19458 + " because we failed to prepare: " + e); 19459 destroyUserDataLI(volumeUuid, userId, 19460 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19461 19462 if (allowRecover) { 19463 // Try one last time; if we fail again we're really in trouble 19464 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19465 } 19466 } 19467 } 19468 19469 /** 19470 * Destroy storage areas for given user on all mounted devices. 19471 */ 19472 void destroyUserData(int userId, int flags) { 19473 synchronized (mInstallLock) { 19474 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19475 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19476 final String volumeUuid = vol.getFsUuid(); 19477 destroyUserDataLI(volumeUuid, userId, flags); 19478 } 19479 } 19480 } 19481 19482 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19483 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19484 try { 19485 // Clean up app data, profile data, and media data 19486 mInstaller.destroyUserData(volumeUuid, userId, flags); 19487 19488 // Clean up system data 19489 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19490 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19491 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19492 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19493 } 19494 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19495 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19496 } 19497 } 19498 19499 // Data with special labels is now gone, so finish the job 19500 storage.destroyUserStorage(volumeUuid, userId, flags); 19501 19502 } catch (Exception e) { 19503 logCriticalInfo(Log.WARN, 19504 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19505 } 19506 } 19507 19508 /** 19509 * Examine all users present on given mounted volume, and destroy data 19510 * belonging to users that are no longer valid, or whose user ID has been 19511 * recycled. 19512 */ 19513 private void reconcileUsers(String volumeUuid) { 19514 final List<File> files = new ArrayList<>(); 19515 Collections.addAll(files, FileUtils 19516 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19517 Collections.addAll(files, FileUtils 19518 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19519 Collections.addAll(files, FileUtils 19520 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19521 Collections.addAll(files, FileUtils 19522 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19523 for (File file : files) { 19524 if (!file.isDirectory()) continue; 19525 19526 final int userId; 19527 final UserInfo info; 19528 try { 19529 userId = Integer.parseInt(file.getName()); 19530 info = sUserManager.getUserInfo(userId); 19531 } catch (NumberFormatException e) { 19532 Slog.w(TAG, "Invalid user directory " + file); 19533 continue; 19534 } 19535 19536 boolean destroyUser = false; 19537 if (info == null) { 19538 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19539 + " because no matching user was found"); 19540 destroyUser = true; 19541 } else if (!mOnlyCore) { 19542 try { 19543 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19544 } catch (IOException e) { 19545 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19546 + " because we failed to enforce serial number: " + e); 19547 destroyUser = true; 19548 } 19549 } 19550 19551 if (destroyUser) { 19552 synchronized (mInstallLock) { 19553 destroyUserDataLI(volumeUuid, userId, 19554 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19555 } 19556 } 19557 } 19558 } 19559 19560 private void assertPackageKnown(String volumeUuid, String packageName) 19561 throws PackageManagerException { 19562 synchronized (mPackages) { 19563 final PackageSetting ps = mSettings.mPackages.get(packageName); 19564 if (ps == null) { 19565 throw new PackageManagerException("Package " + packageName + " is unknown"); 19566 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19567 throw new PackageManagerException( 19568 "Package " + packageName + " found on unknown volume " + volumeUuid 19569 + "; expected volume " + ps.volumeUuid); 19570 } 19571 } 19572 } 19573 19574 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19575 throws PackageManagerException { 19576 synchronized (mPackages) { 19577 final PackageSetting ps = mSettings.mPackages.get(packageName); 19578 if (ps == null) { 19579 throw new PackageManagerException("Package " + packageName + " is unknown"); 19580 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19581 throw new PackageManagerException( 19582 "Package " + packageName + " found on unknown volume " + volumeUuid 19583 + "; expected volume " + ps.volumeUuid); 19584 } else if (!ps.getInstalled(userId)) { 19585 throw new PackageManagerException( 19586 "Package " + packageName + " not installed for user " + userId); 19587 } 19588 } 19589 } 19590 19591 /** 19592 * Examine all apps present on given mounted volume, and destroy apps that 19593 * aren't expected, either due to uninstallation or reinstallation on 19594 * another volume. 19595 */ 19596 private void reconcileApps(String volumeUuid) { 19597 final File[] files = FileUtils 19598 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19599 for (File file : files) { 19600 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19601 && !PackageInstallerService.isStageName(file.getName()); 19602 if (!isPackage) { 19603 // Ignore entries which are not packages 19604 continue; 19605 } 19606 19607 try { 19608 final PackageLite pkg = PackageParser.parsePackageLite(file, 19609 PackageParser.PARSE_MUST_BE_APK); 19610 assertPackageKnown(volumeUuid, pkg.packageName); 19611 19612 } catch (PackageParserException | PackageManagerException e) { 19613 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19614 synchronized (mInstallLock) { 19615 removeCodePathLI(file); 19616 } 19617 } 19618 } 19619 } 19620 19621 /** 19622 * Reconcile all app data for the given user. 19623 * <p> 19624 * Verifies that directories exist and that ownership and labeling is 19625 * correct for all installed apps on all mounted volumes. 19626 */ 19627 void reconcileAppsData(int userId, int flags) { 19628 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19629 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19630 final String volumeUuid = vol.getFsUuid(); 19631 synchronized (mInstallLock) { 19632 reconcileAppsDataLI(volumeUuid, userId, flags); 19633 } 19634 } 19635 } 19636 19637 /** 19638 * Reconcile all app data on given mounted volume. 19639 * <p> 19640 * Destroys app data that isn't expected, either due to uninstallation or 19641 * reinstallation on another volume. 19642 * <p> 19643 * Verifies that directories exist and that ownership and labeling is 19644 * correct for all installed apps. 19645 */ 19646 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19647 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19648 + Integer.toHexString(flags)); 19649 19650 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19651 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19652 19653 boolean restoreconNeeded = false; 19654 19655 // First look for stale data that doesn't belong, and check if things 19656 // have changed since we did our last restorecon 19657 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19658 if (StorageManager.isFileEncryptedNativeOrEmulated() 19659 && !StorageManager.isUserKeyUnlocked(userId)) { 19660 throw new RuntimeException( 19661 "Yikes, someone asked us to reconcile CE storage while " + userId 19662 + " was still locked; this would have caused massive data loss!"); 19663 } 19664 19665 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19666 19667 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19668 for (File file : files) { 19669 final String packageName = file.getName(); 19670 try { 19671 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19672 } catch (PackageManagerException e) { 19673 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19674 try { 19675 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19676 StorageManager.FLAG_STORAGE_CE, 0); 19677 } catch (InstallerException e2) { 19678 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19679 } 19680 } 19681 } 19682 } 19683 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19684 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19685 19686 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19687 for (File file : files) { 19688 final String packageName = file.getName(); 19689 try { 19690 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19691 } catch (PackageManagerException e) { 19692 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19693 try { 19694 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19695 StorageManager.FLAG_STORAGE_DE, 0); 19696 } catch (InstallerException e2) { 19697 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19698 } 19699 } 19700 } 19701 } 19702 19703 // Ensure that data directories are ready to roll for all packages 19704 // installed for this volume and user 19705 final List<PackageSetting> packages; 19706 synchronized (mPackages) { 19707 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19708 } 19709 int preparedCount = 0; 19710 for (PackageSetting ps : packages) { 19711 final String packageName = ps.name; 19712 if (ps.pkg == null) { 19713 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19714 // TODO: might be due to legacy ASEC apps; we should circle back 19715 // and reconcile again once they're scanned 19716 continue; 19717 } 19718 19719 if (ps.getInstalled(userId)) { 19720 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19721 19722 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19723 // We may have just shuffled around app data directories, so 19724 // prepare them one more time 19725 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19726 } 19727 19728 preparedCount++; 19729 } 19730 } 19731 19732 if (restoreconNeeded) { 19733 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19734 SELinuxMMAC.setRestoreconDone(ceDir); 19735 } 19736 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19737 SELinuxMMAC.setRestoreconDone(deDir); 19738 } 19739 } 19740 19741 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19742 + " packages; restoreconNeeded was " + restoreconNeeded); 19743 } 19744 19745 /** 19746 * Prepare app data for the given app just after it was installed or 19747 * upgraded. This method carefully only touches users that it's installed 19748 * for, and it forces a restorecon to handle any seinfo changes. 19749 * <p> 19750 * Verifies that directories exist and that ownership and labeling is 19751 * correct for all installed apps. If there is an ownership mismatch, it 19752 * will try recovering system apps by wiping data; third-party app data is 19753 * left intact. 19754 * <p> 19755 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19756 */ 19757 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19758 final PackageSetting ps; 19759 synchronized (mPackages) { 19760 ps = mSettings.mPackages.get(pkg.packageName); 19761 mSettings.writeKernelMappingLPr(ps); 19762 } 19763 19764 final UserManager um = mContext.getSystemService(UserManager.class); 19765 UserManagerInternal umInternal = getUserManagerInternal(); 19766 for (UserInfo user : um.getUsers()) { 19767 final int flags; 19768 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19769 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19770 } else if (umInternal.isUserRunning(user.id)) { 19771 flags = StorageManager.FLAG_STORAGE_DE; 19772 } else { 19773 continue; 19774 } 19775 19776 if (ps.getInstalled(user.id)) { 19777 // Whenever an app changes, force a restorecon of its data 19778 // TODO: when user data is locked, mark that we're still dirty 19779 prepareAppDataLIF(pkg, user.id, flags, true); 19780 } 19781 } 19782 } 19783 19784 /** 19785 * Prepare app data for the given app. 19786 * <p> 19787 * Verifies that directories exist and that ownership and labeling is 19788 * correct for all installed apps. If there is an ownership mismatch, this 19789 * will try recovering system apps by wiping data; third-party app data is 19790 * left intact. 19791 */ 19792 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19793 boolean restoreconNeeded) { 19794 if (pkg == null) { 19795 Slog.wtf(TAG, "Package was null!", new Throwable()); 19796 return; 19797 } 19798 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19799 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19800 for (int i = 0; i < childCount; i++) { 19801 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19802 } 19803 } 19804 19805 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19806 boolean restoreconNeeded) { 19807 if (DEBUG_APP_DATA) { 19808 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19809 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19810 } 19811 19812 final String volumeUuid = pkg.volumeUuid; 19813 final String packageName = pkg.packageName; 19814 final ApplicationInfo app = pkg.applicationInfo; 19815 final int appId = UserHandle.getAppId(app.uid); 19816 19817 Preconditions.checkNotNull(app.seinfo); 19818 19819 try { 19820 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19821 appId, app.seinfo, app.targetSdkVersion); 19822 } catch (InstallerException e) { 19823 if (app.isSystemApp()) { 19824 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19825 + ", but trying to recover: " + e); 19826 destroyAppDataLeafLIF(pkg, userId, flags); 19827 try { 19828 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19829 appId, app.seinfo, app.targetSdkVersion); 19830 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19831 } catch (InstallerException e2) { 19832 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19833 } 19834 } else { 19835 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19836 } 19837 } 19838 19839 if (restoreconNeeded) { 19840 try { 19841 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19842 app.seinfo); 19843 } catch (InstallerException e) { 19844 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19845 } 19846 } 19847 19848 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19849 try { 19850 // CE storage is unlocked right now, so read out the inode and 19851 // remember for use later when it's locked 19852 // TODO: mark this structure as dirty so we persist it! 19853 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19854 StorageManager.FLAG_STORAGE_CE); 19855 synchronized (mPackages) { 19856 final PackageSetting ps = mSettings.mPackages.get(packageName); 19857 if (ps != null) { 19858 ps.setCeDataInode(ceDataInode, userId); 19859 } 19860 } 19861 } catch (InstallerException e) { 19862 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19863 } 19864 } 19865 19866 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19867 } 19868 19869 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19870 if (pkg == null) { 19871 Slog.wtf(TAG, "Package was null!", new Throwable()); 19872 return; 19873 } 19874 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19875 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19876 for (int i = 0; i < childCount; i++) { 19877 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19878 } 19879 } 19880 19881 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19882 final String volumeUuid = pkg.volumeUuid; 19883 final String packageName = pkg.packageName; 19884 final ApplicationInfo app = pkg.applicationInfo; 19885 19886 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19887 // Create a native library symlink only if we have native libraries 19888 // and if the native libraries are 32 bit libraries. We do not provide 19889 // this symlink for 64 bit libraries. 19890 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19891 final String nativeLibPath = app.nativeLibraryDir; 19892 try { 19893 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19894 nativeLibPath, userId); 19895 } catch (InstallerException e) { 19896 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19897 } 19898 } 19899 } 19900 } 19901 19902 /** 19903 * For system apps on non-FBE devices, this method migrates any existing 19904 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19905 * requested by the app. 19906 */ 19907 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19908 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19909 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19910 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19911 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19912 try { 19913 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19914 storageTarget); 19915 } catch (InstallerException e) { 19916 logCriticalInfo(Log.WARN, 19917 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19918 } 19919 return true; 19920 } else { 19921 return false; 19922 } 19923 } 19924 19925 public PackageFreezer freezePackage(String packageName, String killReason) { 19926 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19927 } 19928 19929 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19930 return new PackageFreezer(packageName, userId, killReason); 19931 } 19932 19933 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19934 String killReason) { 19935 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19936 } 19937 19938 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19939 String killReason) { 19940 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19941 return new PackageFreezer(); 19942 } else { 19943 return freezePackage(packageName, userId, killReason); 19944 } 19945 } 19946 19947 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19948 String killReason) { 19949 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19950 } 19951 19952 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19953 String killReason) { 19954 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19955 return new PackageFreezer(); 19956 } else { 19957 return freezePackage(packageName, userId, killReason); 19958 } 19959 } 19960 19961 /** 19962 * Class that freezes and kills the given package upon creation, and 19963 * unfreezes it upon closing. This is typically used when doing surgery on 19964 * app code/data to prevent the app from running while you're working. 19965 */ 19966 private class PackageFreezer implements AutoCloseable { 19967 private final String mPackageName; 19968 private final PackageFreezer[] mChildren; 19969 19970 private final boolean mWeFroze; 19971 19972 private final AtomicBoolean mClosed = new AtomicBoolean(); 19973 private final CloseGuard mCloseGuard = CloseGuard.get(); 19974 19975 /** 19976 * Create and return a stub freezer that doesn't actually do anything, 19977 * typically used when someone requested 19978 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19979 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19980 */ 19981 public PackageFreezer() { 19982 mPackageName = null; 19983 mChildren = null; 19984 mWeFroze = false; 19985 mCloseGuard.open("close"); 19986 } 19987 19988 public PackageFreezer(String packageName, int userId, String killReason) { 19989 synchronized (mPackages) { 19990 mPackageName = packageName; 19991 mWeFroze = mFrozenPackages.add(mPackageName); 19992 19993 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19994 if (ps != null) { 19995 killApplication(ps.name, ps.appId, userId, killReason); 19996 } 19997 19998 final PackageParser.Package p = mPackages.get(packageName); 19999 if (p != null && p.childPackages != null) { 20000 final int N = p.childPackages.size(); 20001 mChildren = new PackageFreezer[N]; 20002 for (int i = 0; i < N; i++) { 20003 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20004 userId, killReason); 20005 } 20006 } else { 20007 mChildren = null; 20008 } 20009 } 20010 mCloseGuard.open("close"); 20011 } 20012 20013 @Override 20014 protected void finalize() throws Throwable { 20015 try { 20016 mCloseGuard.warnIfOpen(); 20017 close(); 20018 } finally { 20019 super.finalize(); 20020 } 20021 } 20022 20023 @Override 20024 public void close() { 20025 mCloseGuard.close(); 20026 if (mClosed.compareAndSet(false, true)) { 20027 synchronized (mPackages) { 20028 if (mWeFroze) { 20029 mFrozenPackages.remove(mPackageName); 20030 } 20031 20032 if (mChildren != null) { 20033 for (PackageFreezer freezer : mChildren) { 20034 freezer.close(); 20035 } 20036 } 20037 } 20038 } 20039 } 20040 } 20041 20042 /** 20043 * Verify that given package is currently frozen. 20044 */ 20045 private void checkPackageFrozen(String packageName) { 20046 synchronized (mPackages) { 20047 if (!mFrozenPackages.contains(packageName)) { 20048 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20049 } 20050 } 20051 } 20052 20053 @Override 20054 public int movePackage(final String packageName, final String volumeUuid) { 20055 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20056 20057 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20058 final int moveId = mNextMoveId.getAndIncrement(); 20059 mHandler.post(new Runnable() { 20060 @Override 20061 public void run() { 20062 try { 20063 movePackageInternal(packageName, volumeUuid, moveId, user); 20064 } catch (PackageManagerException e) { 20065 Slog.w(TAG, "Failed to move " + packageName, e); 20066 mMoveCallbacks.notifyStatusChanged(moveId, 20067 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20068 } 20069 } 20070 }); 20071 return moveId; 20072 } 20073 20074 private void movePackageInternal(final String packageName, final String volumeUuid, 20075 final int moveId, UserHandle user) throws PackageManagerException { 20076 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20077 final PackageManager pm = mContext.getPackageManager(); 20078 20079 final boolean currentAsec; 20080 final String currentVolumeUuid; 20081 final File codeFile; 20082 final String installerPackageName; 20083 final String packageAbiOverride; 20084 final int appId; 20085 final String seinfo; 20086 final String label; 20087 final int targetSdkVersion; 20088 final PackageFreezer freezer; 20089 final int[] installedUserIds; 20090 20091 // reader 20092 synchronized (mPackages) { 20093 final PackageParser.Package pkg = mPackages.get(packageName); 20094 final PackageSetting ps = mSettings.mPackages.get(packageName); 20095 if (pkg == null || ps == null) { 20096 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20097 } 20098 20099 if (pkg.applicationInfo.isSystemApp()) { 20100 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20101 "Cannot move system application"); 20102 } 20103 20104 if (pkg.applicationInfo.isExternalAsec()) { 20105 currentAsec = true; 20106 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20107 } else if (pkg.applicationInfo.isForwardLocked()) { 20108 currentAsec = true; 20109 currentVolumeUuid = "forward_locked"; 20110 } else { 20111 currentAsec = false; 20112 currentVolumeUuid = ps.volumeUuid; 20113 20114 final File probe = new File(pkg.codePath); 20115 final File probeOat = new File(probe, "oat"); 20116 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20117 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20118 "Move only supported for modern cluster style installs"); 20119 } 20120 } 20121 20122 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20123 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20124 "Package already moved to " + volumeUuid); 20125 } 20126 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20127 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20128 "Device admin cannot be moved"); 20129 } 20130 20131 if (mFrozenPackages.contains(packageName)) { 20132 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20133 "Failed to move already frozen package"); 20134 } 20135 20136 codeFile = new File(pkg.codePath); 20137 installerPackageName = ps.installerPackageName; 20138 packageAbiOverride = ps.cpuAbiOverrideString; 20139 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20140 seinfo = pkg.applicationInfo.seinfo; 20141 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20142 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20143 freezer = freezePackage(packageName, "movePackageInternal"); 20144 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20145 } 20146 20147 final Bundle extras = new Bundle(); 20148 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20149 extras.putString(Intent.EXTRA_TITLE, label); 20150 mMoveCallbacks.notifyCreated(moveId, extras); 20151 20152 int installFlags; 20153 final boolean moveCompleteApp; 20154 final File measurePath; 20155 20156 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20157 installFlags = INSTALL_INTERNAL; 20158 moveCompleteApp = !currentAsec; 20159 measurePath = Environment.getDataAppDirectory(volumeUuid); 20160 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20161 installFlags = INSTALL_EXTERNAL; 20162 moveCompleteApp = false; 20163 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20164 } else { 20165 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20166 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20167 || !volume.isMountedWritable()) { 20168 freezer.close(); 20169 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20170 "Move location not mounted private volume"); 20171 } 20172 20173 Preconditions.checkState(!currentAsec); 20174 20175 installFlags = INSTALL_INTERNAL; 20176 moveCompleteApp = true; 20177 measurePath = Environment.getDataAppDirectory(volumeUuid); 20178 } 20179 20180 final PackageStats stats = new PackageStats(null, -1); 20181 synchronized (mInstaller) { 20182 for (int userId : installedUserIds) { 20183 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20184 freezer.close(); 20185 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20186 "Failed to measure package size"); 20187 } 20188 } 20189 } 20190 20191 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20192 + stats.dataSize); 20193 20194 final long startFreeBytes = measurePath.getFreeSpace(); 20195 final long sizeBytes; 20196 if (moveCompleteApp) { 20197 sizeBytes = stats.codeSize + stats.dataSize; 20198 } else { 20199 sizeBytes = stats.codeSize; 20200 } 20201 20202 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20203 freezer.close(); 20204 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20205 "Not enough free space to move"); 20206 } 20207 20208 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20209 20210 final CountDownLatch installedLatch = new CountDownLatch(1); 20211 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20212 @Override 20213 public void onUserActionRequired(Intent intent) throws RemoteException { 20214 throw new IllegalStateException(); 20215 } 20216 20217 @Override 20218 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20219 Bundle extras) throws RemoteException { 20220 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20221 + PackageManager.installStatusToString(returnCode, msg)); 20222 20223 installedLatch.countDown(); 20224 freezer.close(); 20225 20226 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20227 switch (status) { 20228 case PackageInstaller.STATUS_SUCCESS: 20229 mMoveCallbacks.notifyStatusChanged(moveId, 20230 PackageManager.MOVE_SUCCEEDED); 20231 break; 20232 case PackageInstaller.STATUS_FAILURE_STORAGE: 20233 mMoveCallbacks.notifyStatusChanged(moveId, 20234 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20235 break; 20236 default: 20237 mMoveCallbacks.notifyStatusChanged(moveId, 20238 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20239 break; 20240 } 20241 } 20242 }; 20243 20244 final MoveInfo move; 20245 if (moveCompleteApp) { 20246 // Kick off a thread to report progress estimates 20247 new Thread() { 20248 @Override 20249 public void run() { 20250 while (true) { 20251 try { 20252 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20253 break; 20254 } 20255 } catch (InterruptedException ignored) { 20256 } 20257 20258 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20259 final int progress = 10 + (int) MathUtils.constrain( 20260 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20261 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20262 } 20263 } 20264 }.start(); 20265 20266 final String dataAppName = codeFile.getName(); 20267 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20268 dataAppName, appId, seinfo, targetSdkVersion); 20269 } else { 20270 move = null; 20271 } 20272 20273 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20274 20275 final Message msg = mHandler.obtainMessage(INIT_COPY); 20276 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20277 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20278 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20279 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20280 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20281 msg.obj = params; 20282 20283 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20284 System.identityHashCode(msg.obj)); 20285 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20286 System.identityHashCode(msg.obj)); 20287 20288 mHandler.sendMessage(msg); 20289 } 20290 20291 @Override 20292 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20293 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20294 20295 final int realMoveId = mNextMoveId.getAndIncrement(); 20296 final Bundle extras = new Bundle(); 20297 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20298 mMoveCallbacks.notifyCreated(realMoveId, extras); 20299 20300 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20301 @Override 20302 public void onCreated(int moveId, Bundle extras) { 20303 // Ignored 20304 } 20305 20306 @Override 20307 public void onStatusChanged(int moveId, int status, long estMillis) { 20308 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20309 } 20310 }; 20311 20312 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20313 storage.setPrimaryStorageUuid(volumeUuid, callback); 20314 return realMoveId; 20315 } 20316 20317 @Override 20318 public int getMoveStatus(int moveId) { 20319 mContext.enforceCallingOrSelfPermission( 20320 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20321 return mMoveCallbacks.mLastStatus.get(moveId); 20322 } 20323 20324 @Override 20325 public void registerMoveCallback(IPackageMoveObserver callback) { 20326 mContext.enforceCallingOrSelfPermission( 20327 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20328 mMoveCallbacks.register(callback); 20329 } 20330 20331 @Override 20332 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20333 mContext.enforceCallingOrSelfPermission( 20334 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20335 mMoveCallbacks.unregister(callback); 20336 } 20337 20338 @Override 20339 public boolean setInstallLocation(int loc) { 20340 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20341 null); 20342 if (getInstallLocation() == loc) { 20343 return true; 20344 } 20345 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20346 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20347 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20348 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20349 return true; 20350 } 20351 return false; 20352 } 20353 20354 @Override 20355 public int getInstallLocation() { 20356 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20357 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20358 PackageHelper.APP_INSTALL_AUTO); 20359 } 20360 20361 /** Called by UserManagerService */ 20362 void cleanUpUser(UserManagerService userManager, int userHandle) { 20363 synchronized (mPackages) { 20364 mDirtyUsers.remove(userHandle); 20365 mUserNeedsBadging.delete(userHandle); 20366 mSettings.removeUserLPw(userHandle); 20367 mPendingBroadcasts.remove(userHandle); 20368 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20369 removeUnusedPackagesLPw(userManager, userHandle); 20370 } 20371 } 20372 20373 /** 20374 * We're removing userHandle and would like to remove any downloaded packages 20375 * that are no longer in use by any other user. 20376 * @param userHandle the user being removed 20377 */ 20378 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20379 final boolean DEBUG_CLEAN_APKS = false; 20380 int [] users = userManager.getUserIds(); 20381 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20382 while (psit.hasNext()) { 20383 PackageSetting ps = psit.next(); 20384 if (ps.pkg == null) { 20385 continue; 20386 } 20387 final String packageName = ps.pkg.packageName; 20388 // Skip over if system app 20389 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20390 continue; 20391 } 20392 if (DEBUG_CLEAN_APKS) { 20393 Slog.i(TAG, "Checking package " + packageName); 20394 } 20395 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20396 if (keep) { 20397 if (DEBUG_CLEAN_APKS) { 20398 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20399 } 20400 } else { 20401 for (int i = 0; i < users.length; i++) { 20402 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20403 keep = true; 20404 if (DEBUG_CLEAN_APKS) { 20405 Slog.i(TAG, " Keeping package " + packageName + " for user " 20406 + users[i]); 20407 } 20408 break; 20409 } 20410 } 20411 } 20412 if (!keep) { 20413 if (DEBUG_CLEAN_APKS) { 20414 Slog.i(TAG, " Removing package " + packageName); 20415 } 20416 mHandler.post(new Runnable() { 20417 public void run() { 20418 deletePackageX(packageName, userHandle, 0); 20419 } //end run 20420 }); 20421 } 20422 } 20423 } 20424 20425 /** Called by UserManagerService */ 20426 void createNewUser(int userId) { 20427 synchronized (mInstallLock) { 20428 mSettings.createNewUserLI(this, mInstaller, userId); 20429 } 20430 synchronized (mPackages) { 20431 scheduleWritePackageRestrictionsLocked(userId); 20432 scheduleWritePackageListLocked(userId); 20433 applyFactoryDefaultBrowserLPw(userId); 20434 primeDomainVerificationsLPw(userId); 20435 } 20436 } 20437 20438 void onNewUserCreated(final int userId) { 20439 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20440 // If permission review for legacy apps is required, we represent 20441 // dagerous permissions for such apps as always granted runtime 20442 // permissions to keep per user flag state whether review is needed. 20443 // Hence, if a new user is added we have to propagate dangerous 20444 // permission grants for these legacy apps. 20445 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20446 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20447 | UPDATE_PERMISSIONS_REPLACE_ALL); 20448 } 20449 } 20450 20451 @Override 20452 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20453 mContext.enforceCallingOrSelfPermission( 20454 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20455 "Only package verification agents can read the verifier device identity"); 20456 20457 synchronized (mPackages) { 20458 return mSettings.getVerifierDeviceIdentityLPw(); 20459 } 20460 } 20461 20462 @Override 20463 public void setPermissionEnforced(String permission, boolean enforced) { 20464 // TODO: Now that we no longer change GID for storage, this should to away. 20465 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20466 "setPermissionEnforced"); 20467 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20468 synchronized (mPackages) { 20469 if (mSettings.mReadExternalStorageEnforced == null 20470 || mSettings.mReadExternalStorageEnforced != enforced) { 20471 mSettings.mReadExternalStorageEnforced = enforced; 20472 mSettings.writeLPr(); 20473 } 20474 } 20475 // kill any non-foreground processes so we restart them and 20476 // grant/revoke the GID. 20477 final IActivityManager am = ActivityManagerNative.getDefault(); 20478 if (am != null) { 20479 final long token = Binder.clearCallingIdentity(); 20480 try { 20481 am.killProcessesBelowForeground("setPermissionEnforcement"); 20482 } catch (RemoteException e) { 20483 } finally { 20484 Binder.restoreCallingIdentity(token); 20485 } 20486 } 20487 } else { 20488 throw new IllegalArgumentException("No selective enforcement for " + permission); 20489 } 20490 } 20491 20492 @Override 20493 @Deprecated 20494 public boolean isPermissionEnforced(String permission) { 20495 return true; 20496 } 20497 20498 @Override 20499 public boolean isStorageLow() { 20500 final long token = Binder.clearCallingIdentity(); 20501 try { 20502 final DeviceStorageMonitorInternal 20503 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20504 if (dsm != null) { 20505 return dsm.isMemoryLow(); 20506 } else { 20507 return false; 20508 } 20509 } finally { 20510 Binder.restoreCallingIdentity(token); 20511 } 20512 } 20513 20514 @Override 20515 public IPackageInstaller getPackageInstaller() { 20516 return mInstallerService; 20517 } 20518 20519 private boolean userNeedsBadging(int userId) { 20520 int index = mUserNeedsBadging.indexOfKey(userId); 20521 if (index < 0) { 20522 final UserInfo userInfo; 20523 final long token = Binder.clearCallingIdentity(); 20524 try { 20525 userInfo = sUserManager.getUserInfo(userId); 20526 } finally { 20527 Binder.restoreCallingIdentity(token); 20528 } 20529 final boolean b; 20530 if (userInfo != null && userInfo.isManagedProfile()) { 20531 b = true; 20532 } else { 20533 b = false; 20534 } 20535 mUserNeedsBadging.put(userId, b); 20536 return b; 20537 } 20538 return mUserNeedsBadging.valueAt(index); 20539 } 20540 20541 @Override 20542 public KeySet getKeySetByAlias(String packageName, String alias) { 20543 if (packageName == null || alias == null) { 20544 return null; 20545 } 20546 synchronized(mPackages) { 20547 final PackageParser.Package pkg = mPackages.get(packageName); 20548 if (pkg == null) { 20549 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20550 throw new IllegalArgumentException("Unknown package: " + packageName); 20551 } 20552 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20553 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20554 } 20555 } 20556 20557 @Override 20558 public KeySet getSigningKeySet(String packageName) { 20559 if (packageName == null) { 20560 return null; 20561 } 20562 synchronized(mPackages) { 20563 final PackageParser.Package pkg = mPackages.get(packageName); 20564 if (pkg == null) { 20565 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20566 throw new IllegalArgumentException("Unknown package: " + packageName); 20567 } 20568 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20569 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20570 throw new SecurityException("May not access signing KeySet of other apps."); 20571 } 20572 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20573 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20574 } 20575 } 20576 20577 @Override 20578 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20579 if (packageName == null || ks == null) { 20580 return false; 20581 } 20582 synchronized(mPackages) { 20583 final PackageParser.Package pkg = mPackages.get(packageName); 20584 if (pkg == null) { 20585 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20586 throw new IllegalArgumentException("Unknown package: " + packageName); 20587 } 20588 IBinder ksh = ks.getToken(); 20589 if (ksh instanceof KeySetHandle) { 20590 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20591 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20592 } 20593 return false; 20594 } 20595 } 20596 20597 @Override 20598 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20599 if (packageName == null || ks == null) { 20600 return false; 20601 } 20602 synchronized(mPackages) { 20603 final PackageParser.Package pkg = mPackages.get(packageName); 20604 if (pkg == null) { 20605 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20606 throw new IllegalArgumentException("Unknown package: " + packageName); 20607 } 20608 IBinder ksh = ks.getToken(); 20609 if (ksh instanceof KeySetHandle) { 20610 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20611 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20612 } 20613 return false; 20614 } 20615 } 20616 20617 private void deletePackageIfUnusedLPr(final String packageName) { 20618 PackageSetting ps = mSettings.mPackages.get(packageName); 20619 if (ps == null) { 20620 return; 20621 } 20622 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20623 // TODO Implement atomic delete if package is unused 20624 // It is currently possible that the package will be deleted even if it is installed 20625 // after this method returns. 20626 mHandler.post(new Runnable() { 20627 public void run() { 20628 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20629 } 20630 }); 20631 } 20632 } 20633 20634 /** 20635 * Check and throw if the given before/after packages would be considered a 20636 * downgrade. 20637 */ 20638 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20639 throws PackageManagerException { 20640 if (after.versionCode < before.mVersionCode) { 20641 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20642 "Update version code " + after.versionCode + " is older than current " 20643 + before.mVersionCode); 20644 } else if (after.versionCode == before.mVersionCode) { 20645 if (after.baseRevisionCode < before.baseRevisionCode) { 20646 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20647 "Update base revision code " + after.baseRevisionCode 20648 + " is older than current " + before.baseRevisionCode); 20649 } 20650 20651 if (!ArrayUtils.isEmpty(after.splitNames)) { 20652 for (int i = 0; i < after.splitNames.length; i++) { 20653 final String splitName = after.splitNames[i]; 20654 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20655 if (j != -1) { 20656 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20657 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20658 "Update split " + splitName + " revision code " 20659 + after.splitRevisionCodes[i] + " is older than current " 20660 + before.splitRevisionCodes[j]); 20661 } 20662 } 20663 } 20664 } 20665 } 20666 } 20667 20668 private static class MoveCallbacks extends Handler { 20669 private static final int MSG_CREATED = 1; 20670 private static final int MSG_STATUS_CHANGED = 2; 20671 20672 private final RemoteCallbackList<IPackageMoveObserver> 20673 mCallbacks = new RemoteCallbackList<>(); 20674 20675 private final SparseIntArray mLastStatus = new SparseIntArray(); 20676 20677 public MoveCallbacks(Looper looper) { 20678 super(looper); 20679 } 20680 20681 public void register(IPackageMoveObserver callback) { 20682 mCallbacks.register(callback); 20683 } 20684 20685 public void unregister(IPackageMoveObserver callback) { 20686 mCallbacks.unregister(callback); 20687 } 20688 20689 @Override 20690 public void handleMessage(Message msg) { 20691 final SomeArgs args = (SomeArgs) msg.obj; 20692 final int n = mCallbacks.beginBroadcast(); 20693 for (int i = 0; i < n; i++) { 20694 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20695 try { 20696 invokeCallback(callback, msg.what, args); 20697 } catch (RemoteException ignored) { 20698 } 20699 } 20700 mCallbacks.finishBroadcast(); 20701 args.recycle(); 20702 } 20703 20704 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20705 throws RemoteException { 20706 switch (what) { 20707 case MSG_CREATED: { 20708 callback.onCreated(args.argi1, (Bundle) args.arg2); 20709 break; 20710 } 20711 case MSG_STATUS_CHANGED: { 20712 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20713 break; 20714 } 20715 } 20716 } 20717 20718 private void notifyCreated(int moveId, Bundle extras) { 20719 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20720 20721 final SomeArgs args = SomeArgs.obtain(); 20722 args.argi1 = moveId; 20723 args.arg2 = extras; 20724 obtainMessage(MSG_CREATED, args).sendToTarget(); 20725 } 20726 20727 private void notifyStatusChanged(int moveId, int status) { 20728 notifyStatusChanged(moveId, status, -1); 20729 } 20730 20731 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20732 Slog.v(TAG, "Move " + moveId + " status " + status); 20733 20734 final SomeArgs args = SomeArgs.obtain(); 20735 args.argi1 = moveId; 20736 args.argi2 = status; 20737 args.arg3 = estMillis; 20738 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20739 20740 synchronized (mLastStatus) { 20741 mLastStatus.put(moveId, status); 20742 } 20743 } 20744 } 20745 20746 private final static class OnPermissionChangeListeners extends Handler { 20747 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20748 20749 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20750 new RemoteCallbackList<>(); 20751 20752 public OnPermissionChangeListeners(Looper looper) { 20753 super(looper); 20754 } 20755 20756 @Override 20757 public void handleMessage(Message msg) { 20758 switch (msg.what) { 20759 case MSG_ON_PERMISSIONS_CHANGED: { 20760 final int uid = msg.arg1; 20761 handleOnPermissionsChanged(uid); 20762 } break; 20763 } 20764 } 20765 20766 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20767 mPermissionListeners.register(listener); 20768 20769 } 20770 20771 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20772 mPermissionListeners.unregister(listener); 20773 } 20774 20775 public void onPermissionsChanged(int uid) { 20776 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20777 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20778 } 20779 } 20780 20781 private void handleOnPermissionsChanged(int uid) { 20782 final int count = mPermissionListeners.beginBroadcast(); 20783 try { 20784 for (int i = 0; i < count; i++) { 20785 IOnPermissionsChangeListener callback = mPermissionListeners 20786 .getBroadcastItem(i); 20787 try { 20788 callback.onPermissionsChanged(uid); 20789 } catch (RemoteException e) { 20790 Log.e(TAG, "Permission listener is dead", e); 20791 } 20792 } 20793 } finally { 20794 mPermissionListeners.finishBroadcast(); 20795 } 20796 } 20797 } 20798 20799 private class PackageManagerInternalImpl extends PackageManagerInternal { 20800 @Override 20801 public void setLocationPackagesProvider(PackagesProvider provider) { 20802 synchronized (mPackages) { 20803 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20804 } 20805 } 20806 20807 @Override 20808 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20809 synchronized (mPackages) { 20810 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20811 } 20812 } 20813 20814 @Override 20815 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20816 synchronized (mPackages) { 20817 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20818 } 20819 } 20820 20821 @Override 20822 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20823 synchronized (mPackages) { 20824 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20825 } 20826 } 20827 20828 @Override 20829 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20830 synchronized (mPackages) { 20831 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20832 } 20833 } 20834 20835 @Override 20836 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20837 synchronized (mPackages) { 20838 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20839 } 20840 } 20841 20842 @Override 20843 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20844 synchronized (mPackages) { 20845 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20846 packageName, userId); 20847 } 20848 } 20849 20850 @Override 20851 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20852 synchronized (mPackages) { 20853 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20854 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20855 packageName, userId); 20856 } 20857 } 20858 20859 @Override 20860 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20861 synchronized (mPackages) { 20862 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20863 packageName, userId); 20864 } 20865 } 20866 20867 @Override 20868 public void setKeepUninstalledPackages(final List<String> packageList) { 20869 Preconditions.checkNotNull(packageList); 20870 List<String> removedFromList = null; 20871 synchronized (mPackages) { 20872 if (mKeepUninstalledPackages != null) { 20873 final int packagesCount = mKeepUninstalledPackages.size(); 20874 for (int i = 0; i < packagesCount; i++) { 20875 String oldPackage = mKeepUninstalledPackages.get(i); 20876 if (packageList != null && packageList.contains(oldPackage)) { 20877 continue; 20878 } 20879 if (removedFromList == null) { 20880 removedFromList = new ArrayList<>(); 20881 } 20882 removedFromList.add(oldPackage); 20883 } 20884 } 20885 mKeepUninstalledPackages = new ArrayList<>(packageList); 20886 if (removedFromList != null) { 20887 final int removedCount = removedFromList.size(); 20888 for (int i = 0; i < removedCount; i++) { 20889 deletePackageIfUnusedLPr(removedFromList.get(i)); 20890 } 20891 } 20892 } 20893 } 20894 20895 @Override 20896 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20897 synchronized (mPackages) { 20898 // If we do not support permission review, done. 20899 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20900 return false; 20901 } 20902 20903 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20904 if (packageSetting == null) { 20905 return false; 20906 } 20907 20908 // Permission review applies only to apps not supporting the new permission model. 20909 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20910 return false; 20911 } 20912 20913 // Legacy apps have the permission and get user consent on launch. 20914 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20915 return permissionsState.isPermissionReviewRequired(userId); 20916 } 20917 } 20918 20919 @Override 20920 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20921 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20922 } 20923 20924 @Override 20925 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20926 int userId) { 20927 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20928 } 20929 20930 @Override 20931 public void setDeviceAndProfileOwnerPackages( 20932 int deviceOwnerUserId, String deviceOwnerPackage, 20933 SparseArray<String> profileOwnerPackages) { 20934 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20935 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20936 } 20937 20938 @Override 20939 public boolean isPackageDataProtected(int userId, String packageName) { 20940 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20941 } 20942 } 20943 20944 @Override 20945 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20946 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20947 synchronized (mPackages) { 20948 final long identity = Binder.clearCallingIdentity(); 20949 try { 20950 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20951 packageNames, userId); 20952 } finally { 20953 Binder.restoreCallingIdentity(identity); 20954 } 20955 } 20956 } 20957 20958 private static void enforceSystemOrPhoneCaller(String tag) { 20959 int callingUid = Binder.getCallingUid(); 20960 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20961 throw new SecurityException( 20962 "Cannot call " + tag + " from UID " + callingUid); 20963 } 20964 } 20965 20966 boolean isHistoricalPackageUsageAvailable() { 20967 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20968 } 20969 20970 /** 20971 * Return a <b>copy</b> of the collection of packages known to the package manager. 20972 * @return A copy of the values of mPackages. 20973 */ 20974 Collection<PackageParser.Package> getPackages() { 20975 synchronized (mPackages) { 20976 return new ArrayList<>(mPackages.values()); 20977 } 20978 } 20979 20980 /** 20981 * Logs process start information (including base APK hash) to the security log. 20982 * @hide 20983 */ 20984 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20985 String apkFile, int pid) { 20986 if (!SecurityLog.isLoggingEnabled()) { 20987 return; 20988 } 20989 Bundle data = new Bundle(); 20990 data.putLong("startTimestamp", System.currentTimeMillis()); 20991 data.putString("processName", processName); 20992 data.putInt("uid", uid); 20993 data.putString("seinfo", seinfo); 20994 data.putString("apkFile", apkFile); 20995 data.putInt("pid", pid); 20996 Message msg = mProcessLoggingHandler.obtainMessage( 20997 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20998 msg.setData(data); 20999 mProcessLoggingHandler.sendMessage(msg); 21000 } 21001} 21002