PackageManagerService.java revision a2241834a54dc91e2eef858741f1a56a743c27b2
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.ShortcutServiceInternal; 163import android.content.pm.Signature; 164import android.content.pm.UserInfo; 165import android.content.pm.VerifierDeviceIdentity; 166import android.content.pm.VerifierInfo; 167import android.content.res.Resources; 168import android.graphics.Bitmap; 169import android.hardware.display.DisplayManager; 170import android.net.Uri; 171import android.os.Binder; 172import android.os.Build; 173import android.os.Bundle; 174import android.os.Debug; 175import android.os.Environment; 176import android.os.Environment.UserEnvironment; 177import android.os.FileUtils; 178import android.os.Handler; 179import android.os.IBinder; 180import android.os.Looper; 181import android.os.Message; 182import android.os.Parcel; 183import android.os.ParcelFileDescriptor; 184import android.os.Process; 185import android.os.RemoteCallbackList; 186import android.os.RemoteException; 187import android.os.ResultReceiver; 188import android.os.SELinux; 189import android.os.ServiceManager; 190import android.os.SystemClock; 191import android.os.SystemProperties; 192import android.os.Trace; 193import android.os.UserHandle; 194import android.os.UserManager; 195import android.os.UserManagerInternal; 196import android.os.storage.IMountService; 197import android.os.storage.MountServiceInternal; 198import android.os.storage.StorageEventListener; 199import android.os.storage.StorageManager; 200import android.os.storage.VolumeInfo; 201import android.os.storage.VolumeRecord; 202import android.provider.Settings.Global; 203import android.security.KeyStore; 204import android.security.SystemKeyStore; 205import android.system.ErrnoException; 206import android.system.Os; 207import android.text.TextUtils; 208import android.text.format.DateUtils; 209import android.util.ArrayMap; 210import android.util.ArraySet; 211import android.util.AtomicFile; 212import android.util.DisplayMetrics; 213import android.util.EventLog; 214import android.util.ExceptionUtils; 215import android.util.Log; 216import android.util.LogPrinter; 217import android.util.MathUtils; 218import android.util.PrintStreamPrinter; 219import android.util.Slog; 220import android.util.SparseArray; 221import android.util.SparseBooleanArray; 222import android.util.SparseIntArray; 223import android.util.Xml; 224import android.util.jar.StrictJarFile; 225import android.view.Display; 226 227import com.android.internal.R; 228import com.android.internal.annotations.GuardedBy; 229import com.android.internal.app.IMediaContainerService; 230import com.android.internal.app.ResolverActivity; 231import com.android.internal.content.NativeLibraryHelper; 232import com.android.internal.content.PackageHelper; 233import com.android.internal.logging.MetricsLogger; 234import com.android.internal.os.IParcelFileDescriptorFactory; 235import com.android.internal.os.InstallerConnection.InstallerException; 236import com.android.internal.os.SomeArgs; 237import com.android.internal.os.Zygote; 238import com.android.internal.telephony.CarrierAppUtils; 239import com.android.internal.util.ArrayUtils; 240import com.android.internal.util.FastPrintWriter; 241import com.android.internal.util.FastXmlSerializer; 242import com.android.internal.util.IndentingPrintWriter; 243import com.android.internal.util.Preconditions; 244import com.android.internal.util.XmlUtils; 245import com.android.server.AttributeCache; 246import com.android.server.EventLogTags; 247import com.android.server.FgThread; 248import com.android.server.IntentResolver; 249import com.android.server.LocalServices; 250import com.android.server.ServiceThread; 251import com.android.server.SystemConfig; 252import com.android.server.Watchdog; 253import com.android.server.net.NetworkPolicyManagerInternal; 254import com.android.server.pm.PermissionsState.PermissionState; 255import com.android.server.pm.Settings.DatabaseVersion; 256import com.android.server.pm.Settings.VersionInfo; 257import com.android.server.storage.DeviceStorageMonitorInternal; 258 259import dalvik.system.CloseGuard; 260import dalvik.system.DexFile; 261import dalvik.system.VMRuntime; 262 263import libcore.io.IoUtils; 264import libcore.util.EmptyArray; 265 266import org.xmlpull.v1.XmlPullParser; 267import org.xmlpull.v1.XmlPullParserException; 268import org.xmlpull.v1.XmlSerializer; 269 270import java.io.BufferedInputStream; 271import java.io.BufferedOutputStream; 272import java.io.BufferedReader; 273import java.io.ByteArrayInputStream; 274import java.io.ByteArrayOutputStream; 275import java.io.File; 276import java.io.FileDescriptor; 277import java.io.FileInputStream; 278import java.io.FileNotFoundException; 279import java.io.FileOutputStream; 280import java.io.FileReader; 281import java.io.FilenameFilter; 282import java.io.IOException; 283import java.io.InputStream; 284import java.io.PrintWriter; 285import java.nio.charset.StandardCharsets; 286import java.security.DigestInputStream; 287import java.security.MessageDigest; 288import java.security.NoSuchAlgorithmException; 289import java.security.PublicKey; 290import java.security.cert.Certificate; 291import java.security.cert.CertificateEncodingException; 292import java.security.cert.CertificateException; 293import java.text.SimpleDateFormat; 294import java.util.ArrayList; 295import java.util.Arrays; 296import java.util.Collection; 297import java.util.Collections; 298import java.util.Comparator; 299import java.util.Date; 300import java.util.HashSet; 301import java.util.Iterator; 302import java.util.List; 303import java.util.Map; 304import java.util.Objects; 305import java.util.Set; 306import java.util.concurrent.CountDownLatch; 307import java.util.concurrent.TimeUnit; 308import java.util.concurrent.atomic.AtomicBoolean; 309import java.util.concurrent.atomic.AtomicInteger; 310import java.util.concurrent.atomic.AtomicLong; 311 312/** 313 * Keep track of all those APKs everywhere. 314 * <p> 315 * Internally there are two important locks: 316 * <ul> 317 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 318 * and other related state. It is a fine-grained lock that should only be held 319 * momentarily, as it's one of the most contended locks in the system. 320 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 321 * operations typically involve heavy lifting of application data on disk. Since 322 * {@code installd} is single-threaded, and it's operations can often be slow, 323 * this lock should never be acquired while already holding {@link #mPackages}. 324 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 325 * holding {@link #mInstallLock}. 326 * </ul> 327 * Many internal methods rely on the caller to hold the appropriate locks, and 328 * this contract is expressed through method name suffixes: 329 * <ul> 330 * <li>fooLI(): the caller must hold {@link #mInstallLock} 331 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 332 * being modified must be frozen 333 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 334 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 335 * </ul> 336 * <p> 337 * Because this class is very central to the platform's security; please run all 338 * CTS and unit tests whenever making modifications: 339 * 340 * <pre> 341 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 342 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 343 * </pre> 344 */ 345public class PackageManagerService extends IPackageManager.Stub { 346 static final String TAG = "PackageManager"; 347 static final boolean DEBUG_SETTINGS = false; 348 static final boolean DEBUG_PREFERRED = false; 349 static final boolean DEBUG_UPGRADE = false; 350 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 351 private static final boolean DEBUG_BACKUP = false; 352 private static final boolean DEBUG_INSTALL = false; 353 private static final boolean DEBUG_REMOVE = false; 354 private static final boolean DEBUG_BROADCASTS = false; 355 private static final boolean DEBUG_SHOW_INFO = false; 356 private static final boolean DEBUG_PACKAGE_INFO = false; 357 private static final boolean DEBUG_INTENT_MATCHING = false; 358 private static final boolean DEBUG_PACKAGE_SCANNING = false; 359 private static final boolean DEBUG_VERIFY = false; 360 private static final boolean DEBUG_FILTERS = false; 361 362 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 363 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 364 // user, but by default initialize to this. 365 static final boolean DEBUG_DEXOPT = false; 366 367 private static final boolean DEBUG_ABI_SELECTION = false; 368 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 369 private static final boolean DEBUG_TRIAGED_MISSING = false; 370 private static final boolean DEBUG_APP_DATA = false; 371 372 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 373 374 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 375 376 private static final int RADIO_UID = Process.PHONE_UID; 377 private static final int LOG_UID = Process.LOG_UID; 378 private static final int NFC_UID = Process.NFC_UID; 379 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 380 private static final int SHELL_UID = Process.SHELL_UID; 381 382 // Cap the size of permission trees that 3rd party apps can define 383 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 384 385 // Suffix used during package installation when copying/moving 386 // package apks to install directory. 387 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 388 389 static final int SCAN_NO_DEX = 1<<1; 390 static final int SCAN_FORCE_DEX = 1<<2; 391 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 392 static final int SCAN_NEW_INSTALL = 1<<4; 393 static final int SCAN_NO_PATHS = 1<<5; 394 static final int SCAN_UPDATE_TIME = 1<<6; 395 static final int SCAN_DEFER_DEX = 1<<7; 396 static final int SCAN_BOOTING = 1<<8; 397 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 398 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 399 static final int SCAN_REPLACING = 1<<11; 400 static final int SCAN_REQUIRE_KNOWN = 1<<12; 401 static final int SCAN_MOVE = 1<<13; 402 static final int SCAN_INITIAL = 1<<14; 403 static final int SCAN_CHECK_ONLY = 1<<15; 404 static final int SCAN_DONT_KILL_APP = 1<<17; 405 static final int SCAN_IGNORE_FROZEN = 1<<18; 406 407 static final int REMOVE_CHATTY = 1<<16; 408 409 private static final int[] EMPTY_INT_ARRAY = new int[0]; 410 411 /** 412 * Timeout (in milliseconds) after which the watchdog should declare that 413 * our handler thread is wedged. The usual default for such things is one 414 * minute but we sometimes do very lengthy I/O operations on this thread, 415 * such as installing multi-gigabyte applications, so ours needs to be longer. 416 */ 417 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 418 419 /** 420 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 421 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 422 * settings entry if available, otherwise we use the hardcoded default. If it's been 423 * more than this long since the last fstrim, we force one during the boot sequence. 424 * 425 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 426 * one gets run at the next available charging+idle time. This final mandatory 427 * no-fstrim check kicks in only of the other scheduling criteria is never met. 428 */ 429 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 430 431 /** 432 * Whether verification is enabled by default. 433 */ 434 private static final boolean DEFAULT_VERIFY_ENABLE = true; 435 436 /** 437 * The default maximum time to wait for the verification agent to return in 438 * milliseconds. 439 */ 440 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 441 442 /** 443 * The default response for package verification timeout. 444 * 445 * This can be either PackageManager.VERIFICATION_ALLOW or 446 * PackageManager.VERIFICATION_REJECT. 447 */ 448 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 449 450 static final String PLATFORM_PACKAGE_NAME = "android"; 451 452 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 453 454 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 455 DEFAULT_CONTAINER_PACKAGE, 456 "com.android.defcontainer.DefaultContainerService"); 457 458 private static final String KILL_APP_REASON_GIDS_CHANGED = 459 "permission grant or revoke changed gids"; 460 461 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 462 "permissions revoked"; 463 464 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 465 466 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 467 468 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 469 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 470 471 /** Permission grant: not grant the permission. */ 472 private static final int GRANT_DENIED = 1; 473 474 /** Permission grant: grant the permission as an install permission. */ 475 private static final int GRANT_INSTALL = 2; 476 477 /** Permission grant: grant the permission as a runtime one. */ 478 private static final int GRANT_RUNTIME = 3; 479 480 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 481 private static final int GRANT_UPGRADE = 4; 482 483 /** Canonical intent used to identify what counts as a "web browser" app */ 484 private static final Intent sBrowserIntent; 485 static { 486 sBrowserIntent = new Intent(); 487 sBrowserIntent.setAction(Intent.ACTION_VIEW); 488 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 489 sBrowserIntent.setData(Uri.parse("http:")); 490 } 491 492 /** 493 * The set of all protected actions [i.e. those actions for which a high priority 494 * intent filter is disallowed]. 495 */ 496 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 497 static { 498 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 499 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 500 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 501 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 502 } 503 504 // Compilation reasons. 505 public static final int REASON_FIRST_BOOT = 0; 506 public static final int REASON_BOOT = 1; 507 public static final int REASON_INSTALL = 2; 508 public static final int REASON_BACKGROUND_DEXOPT = 3; 509 public static final int REASON_AB_OTA = 4; 510 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 511 public static final int REASON_SHARED_APK = 6; 512 public static final int REASON_FORCED_DEXOPT = 7; 513 public static final int REASON_CORE_APP = 8; 514 515 public static final int REASON_LAST = REASON_CORE_APP; 516 517 /** Special library name that skips shared libraries check during compilation. */ 518 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 519 520 final ServiceThread mHandlerThread; 521 522 final PackageHandler mHandler; 523 524 private final ProcessLoggingHandler mProcessLoggingHandler; 525 526 /** 527 * Messages for {@link #mHandler} that need to wait for system ready before 528 * being dispatched. 529 */ 530 private ArrayList<Message> mPostSystemReadyMessages; 531 532 final int mSdkVersion = Build.VERSION.SDK_INT; 533 534 final Context mContext; 535 final boolean mFactoryTest; 536 final boolean mOnlyCore; 537 final DisplayMetrics mMetrics; 538 final int mDefParseFlags; 539 final String[] mSeparateProcesses; 540 final boolean mIsUpgrade; 541 final boolean mIsPreNUpgrade; 542 543 /** The location for ASEC container files on internal storage. */ 544 final String mAsecInternalPath; 545 546 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 547 // LOCK HELD. Can be called with mInstallLock held. 548 @GuardedBy("mInstallLock") 549 final Installer mInstaller; 550 551 /** Directory where installed third-party apps stored */ 552 final File mAppInstallDir; 553 final File mEphemeralInstallDir; 554 555 /** 556 * Directory to which applications installed internally have their 557 * 32 bit native libraries copied. 558 */ 559 private File mAppLib32InstallDir; 560 561 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 562 // apps. 563 final File mDrmAppPrivateInstallDir; 564 565 // ---------------------------------------------------------------- 566 567 // Lock for state used when installing and doing other long running 568 // operations. Methods that must be called with this lock held have 569 // the suffix "LI". 570 final Object mInstallLock = new Object(); 571 572 // ---------------------------------------------------------------- 573 574 // Keys are String (package name), values are Package. This also serves 575 // as the lock for the global state. Methods that must be called with 576 // this lock held have the prefix "LP". 577 @GuardedBy("mPackages") 578 final ArrayMap<String, PackageParser.Package> mPackages = 579 new ArrayMap<String, PackageParser.Package>(); 580 581 final ArrayMap<String, Set<String>> mKnownCodebase = 582 new ArrayMap<String, Set<String>>(); 583 584 // Tracks available target package names -> overlay package paths. 585 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 586 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 587 588 /** 589 * Tracks new system packages [received in an OTA] that we expect to 590 * find updated user-installed versions. Keys are package name, values 591 * are package location. 592 */ 593 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 594 /** 595 * Tracks high priority intent filters for protected actions. During boot, certain 596 * filter actions are protected and should never be allowed to have a high priority 597 * intent filter for them. However, there is one, and only one exception -- the 598 * setup wizard. It must be able to define a high priority intent filter for these 599 * actions to ensure there are no escapes from the wizard. We need to delay processing 600 * of these during boot as we need to look at all of the system packages in order 601 * to know which component is the setup wizard. 602 */ 603 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 604 /** 605 * Whether or not processing protected filters should be deferred. 606 */ 607 private boolean mDeferProtectedFilters = true; 608 609 /** 610 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 611 */ 612 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 613 /** 614 * Whether or not system app permissions should be promoted from install to runtime. 615 */ 616 boolean mPromoteSystemApps; 617 618 @GuardedBy("mPackages") 619 final Settings mSettings; 620 621 /** 622 * Set of package names that are currently "frozen", which means active 623 * surgery is being done on the code/data for that package. The platform 624 * will refuse to launch frozen packages to avoid race conditions. 625 * 626 * @see PackageFreezer 627 */ 628 @GuardedBy("mPackages") 629 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 630 631 final ProtectedPackages mProtectedPackages; 632 633 boolean mFirstBoot; 634 635 // System configuration read by SystemConfig. 636 final int[] mGlobalGids; 637 final SparseArray<ArraySet<String>> mSystemPermissions; 638 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 639 640 // If mac_permissions.xml was found for seinfo labeling. 641 boolean mFoundPolicyFile; 642 643 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 644 645 public static final class SharedLibraryEntry { 646 public final String path; 647 public final String apk; 648 649 SharedLibraryEntry(String _path, String _apk) { 650 path = _path; 651 apk = _apk; 652 } 653 } 654 655 // Currently known shared libraries. 656 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 657 new ArrayMap<String, SharedLibraryEntry>(); 658 659 // All available activities, for your resolving pleasure. 660 final ActivityIntentResolver mActivities = 661 new ActivityIntentResolver(); 662 663 // All available receivers, for your resolving pleasure. 664 final ActivityIntentResolver mReceivers = 665 new ActivityIntentResolver(); 666 667 // All available services, for your resolving pleasure. 668 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 669 670 // All available providers, for your resolving pleasure. 671 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 672 673 // Mapping from provider base names (first directory in content URI codePath) 674 // to the provider information. 675 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 676 new ArrayMap<String, PackageParser.Provider>(); 677 678 // Mapping from instrumentation class names to info about them. 679 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 680 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 681 682 // Mapping from permission names to info about them. 683 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 684 new ArrayMap<String, PackageParser.PermissionGroup>(); 685 686 // Packages whose data we have transfered into another package, thus 687 // should no longer exist. 688 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 689 690 // Broadcast actions that are only available to the system. 691 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 692 693 /** List of packages waiting for verification. */ 694 final SparseArray<PackageVerificationState> mPendingVerification 695 = new SparseArray<PackageVerificationState>(); 696 697 /** Set of packages associated with each app op permission. */ 698 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 699 700 final PackageInstallerService mInstallerService; 701 702 private final PackageDexOptimizer mPackageDexOptimizer; 703 704 private AtomicInteger mNextMoveId = new AtomicInteger(); 705 private final MoveCallbacks mMoveCallbacks; 706 707 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 708 709 // Cache of users who need badging. 710 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 711 712 /** Token for keys in mPendingVerification. */ 713 private int mPendingVerificationToken = 0; 714 715 volatile boolean mSystemReady; 716 volatile boolean mSafeMode; 717 volatile boolean mHasSystemUidErrors; 718 719 ApplicationInfo mAndroidApplication; 720 final ActivityInfo mResolveActivity = new ActivityInfo(); 721 final ResolveInfo mResolveInfo = new ResolveInfo(); 722 ComponentName mResolveComponentName; 723 PackageParser.Package mPlatformPackage; 724 ComponentName mCustomResolverComponentName; 725 726 boolean mResolverReplaced = false; 727 728 private final @Nullable ComponentName mIntentFilterVerifierComponent; 729 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 730 731 private int mIntentFilterVerificationToken = 0; 732 733 /** Component that knows whether or not an ephemeral application exists */ 734 final ComponentName mEphemeralResolverComponent; 735 /** The service connection to the ephemeral resolver */ 736 final EphemeralResolverConnection mEphemeralResolverConnection; 737 738 /** Component used to install ephemeral applications */ 739 final ComponentName mEphemeralInstallerComponent; 740 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 741 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 742 743 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 744 = new SparseArray<IntentFilterVerificationState>(); 745 746 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 747 new DefaultPermissionGrantPolicy(this); 748 749 // List of packages names to keep cached, even if they are uninstalled for all users 750 private List<String> mKeepUninstalledPackages; 751 752 private UserManagerInternal mUserManagerInternal; 753 754 private static class IFVerificationParams { 755 PackageParser.Package pkg; 756 boolean replacing; 757 int userId; 758 int verifierUid; 759 760 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 761 int _userId, int _verifierUid) { 762 pkg = _pkg; 763 replacing = _replacing; 764 userId = _userId; 765 replacing = _replacing; 766 verifierUid = _verifierUid; 767 } 768 } 769 770 private interface IntentFilterVerifier<T extends IntentFilter> { 771 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 772 T filter, String packageName); 773 void startVerifications(int userId); 774 void receiveVerificationResponse(int verificationId); 775 } 776 777 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 778 private Context mContext; 779 private ComponentName mIntentFilterVerifierComponent; 780 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 781 782 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 783 mContext = context; 784 mIntentFilterVerifierComponent = verifierComponent; 785 } 786 787 private String getDefaultScheme() { 788 return IntentFilter.SCHEME_HTTPS; 789 } 790 791 @Override 792 public void startVerifications(int userId) { 793 // Launch verifications requests 794 int count = mCurrentIntentFilterVerifications.size(); 795 for (int n=0; n<count; n++) { 796 int verificationId = mCurrentIntentFilterVerifications.get(n); 797 final IntentFilterVerificationState ivs = 798 mIntentFilterVerificationStates.get(verificationId); 799 800 String packageName = ivs.getPackageName(); 801 802 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 803 final int filterCount = filters.size(); 804 ArraySet<String> domainsSet = new ArraySet<>(); 805 for (int m=0; m<filterCount; m++) { 806 PackageParser.ActivityIntentInfo filter = filters.get(m); 807 domainsSet.addAll(filter.getHostsList()); 808 } 809 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 810 synchronized (mPackages) { 811 if (mSettings.createIntentFilterVerificationIfNeededLPw( 812 packageName, domainsList) != null) { 813 scheduleWriteSettingsLocked(); 814 } 815 } 816 sendVerificationRequest(userId, verificationId, ivs); 817 } 818 mCurrentIntentFilterVerifications.clear(); 819 } 820 821 private void sendVerificationRequest(int userId, int verificationId, 822 IntentFilterVerificationState ivs) { 823 824 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 825 verificationIntent.putExtra( 826 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 827 verificationId); 828 verificationIntent.putExtra( 829 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 830 getDefaultScheme()); 831 verificationIntent.putExtra( 832 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 833 ivs.getHostsString()); 834 verificationIntent.putExtra( 835 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 836 ivs.getPackageName()); 837 verificationIntent.setComponent(mIntentFilterVerifierComponent); 838 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 839 840 UserHandle user = new UserHandle(userId); 841 mContext.sendBroadcastAsUser(verificationIntent, user); 842 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 843 "Sending IntentFilter verification broadcast"); 844 } 845 846 public void receiveVerificationResponse(int verificationId) { 847 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 848 849 final boolean verified = ivs.isVerified(); 850 851 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 852 final int count = filters.size(); 853 if (DEBUG_DOMAIN_VERIFICATION) { 854 Slog.i(TAG, "Received verification response " + verificationId 855 + " for " + count + " filters, verified=" + verified); 856 } 857 for (int n=0; n<count; n++) { 858 PackageParser.ActivityIntentInfo filter = filters.get(n); 859 filter.setVerified(verified); 860 861 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 862 + " verified with result:" + verified + " and hosts:" 863 + ivs.getHostsString()); 864 } 865 866 mIntentFilterVerificationStates.remove(verificationId); 867 868 final String packageName = ivs.getPackageName(); 869 IntentFilterVerificationInfo ivi = null; 870 871 synchronized (mPackages) { 872 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 873 } 874 if (ivi == null) { 875 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 876 + verificationId + " packageName:" + packageName); 877 return; 878 } 879 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 880 "Updating IntentFilterVerificationInfo for package " + packageName 881 +" verificationId:" + verificationId); 882 883 synchronized (mPackages) { 884 if (verified) { 885 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 886 } else { 887 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 888 } 889 scheduleWriteSettingsLocked(); 890 891 final int userId = ivs.getUserId(); 892 if (userId != UserHandle.USER_ALL) { 893 final int userStatus = 894 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 895 896 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 897 boolean needUpdate = false; 898 899 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 900 // already been set by the User thru the Disambiguation dialog 901 switch (userStatus) { 902 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 903 if (verified) { 904 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 905 } else { 906 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 907 } 908 needUpdate = true; 909 break; 910 911 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 912 if (verified) { 913 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 914 needUpdate = true; 915 } 916 break; 917 918 default: 919 // Nothing to do 920 } 921 922 if (needUpdate) { 923 mSettings.updateIntentFilterVerificationStatusLPw( 924 packageName, updatedStatus, userId); 925 scheduleWritePackageRestrictionsLocked(userId); 926 } 927 } 928 } 929 } 930 931 @Override 932 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 933 ActivityIntentInfo filter, String packageName) { 934 if (!hasValidDomains(filter)) { 935 return false; 936 } 937 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 938 if (ivs == null) { 939 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 940 packageName); 941 } 942 if (DEBUG_DOMAIN_VERIFICATION) { 943 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 944 } 945 ivs.addFilter(filter); 946 return true; 947 } 948 949 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 950 int userId, int verificationId, String packageName) { 951 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 952 verifierUid, userId, packageName); 953 ivs.setPendingState(); 954 synchronized (mPackages) { 955 mIntentFilterVerificationStates.append(verificationId, ivs); 956 mCurrentIntentFilterVerifications.add(verificationId); 957 } 958 return ivs; 959 } 960 } 961 962 private static boolean hasValidDomains(ActivityIntentInfo filter) { 963 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 964 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 965 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 966 } 967 968 // Set of pending broadcasts for aggregating enable/disable of components. 969 static class PendingPackageBroadcasts { 970 // for each user id, a map of <package name -> components within that package> 971 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 972 973 public PendingPackageBroadcasts() { 974 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 975 } 976 977 public ArrayList<String> get(int userId, String packageName) { 978 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 979 return packages.get(packageName); 980 } 981 982 public void put(int userId, String packageName, ArrayList<String> components) { 983 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 984 packages.put(packageName, components); 985 } 986 987 public void remove(int userId, String packageName) { 988 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 989 if (packages != null) { 990 packages.remove(packageName); 991 } 992 } 993 994 public void remove(int userId) { 995 mUidMap.remove(userId); 996 } 997 998 public int userIdCount() { 999 return mUidMap.size(); 1000 } 1001 1002 public int userIdAt(int n) { 1003 return mUidMap.keyAt(n); 1004 } 1005 1006 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1007 return mUidMap.get(userId); 1008 } 1009 1010 public int size() { 1011 // total number of pending broadcast entries across all userIds 1012 int num = 0; 1013 for (int i = 0; i< mUidMap.size(); i++) { 1014 num += mUidMap.valueAt(i).size(); 1015 } 1016 return num; 1017 } 1018 1019 public void clear() { 1020 mUidMap.clear(); 1021 } 1022 1023 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1024 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1025 if (map == null) { 1026 map = new ArrayMap<String, ArrayList<String>>(); 1027 mUidMap.put(userId, map); 1028 } 1029 return map; 1030 } 1031 } 1032 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1033 1034 // Service Connection to remote media container service to copy 1035 // package uri's from external media onto secure containers 1036 // or internal storage. 1037 private IMediaContainerService mContainerService = null; 1038 1039 static final int SEND_PENDING_BROADCAST = 1; 1040 static final int MCS_BOUND = 3; 1041 static final int END_COPY = 4; 1042 static final int INIT_COPY = 5; 1043 static final int MCS_UNBIND = 6; 1044 static final int START_CLEANING_PACKAGE = 7; 1045 static final int FIND_INSTALL_LOC = 8; 1046 static final int POST_INSTALL = 9; 1047 static final int MCS_RECONNECT = 10; 1048 static final int MCS_GIVE_UP = 11; 1049 static final int UPDATED_MEDIA_STATUS = 12; 1050 static final int WRITE_SETTINGS = 13; 1051 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1052 static final int PACKAGE_VERIFIED = 15; 1053 static final int CHECK_PENDING_VERIFICATION = 16; 1054 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1055 static final int INTENT_FILTER_VERIFIED = 18; 1056 static final int WRITE_PACKAGE_LIST = 19; 1057 1058 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1059 1060 // Delay time in millisecs 1061 static final int BROADCAST_DELAY = 10 * 1000; 1062 1063 static UserManagerService sUserManager; 1064 1065 // Stores a list of users whose package restrictions file needs to be updated 1066 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1067 1068 final private DefaultContainerConnection mDefContainerConn = 1069 new DefaultContainerConnection(); 1070 class DefaultContainerConnection implements ServiceConnection { 1071 public void onServiceConnected(ComponentName name, IBinder service) { 1072 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1073 IMediaContainerService imcs = 1074 IMediaContainerService.Stub.asInterface(service); 1075 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1076 } 1077 1078 public void onServiceDisconnected(ComponentName name) { 1079 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1080 } 1081 } 1082 1083 // Recordkeeping of restore-after-install operations that are currently in flight 1084 // between the Package Manager and the Backup Manager 1085 static class PostInstallData { 1086 public InstallArgs args; 1087 public PackageInstalledInfo res; 1088 1089 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1090 args = _a; 1091 res = _r; 1092 } 1093 } 1094 1095 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1096 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1097 1098 // XML tags for backup/restore of various bits of state 1099 private static final String TAG_PREFERRED_BACKUP = "pa"; 1100 private static final String TAG_DEFAULT_APPS = "da"; 1101 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1102 1103 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1104 private static final String TAG_ALL_GRANTS = "rt-grants"; 1105 private static final String TAG_GRANT = "grant"; 1106 private static final String ATTR_PACKAGE_NAME = "pkg"; 1107 1108 private static final String TAG_PERMISSION = "perm"; 1109 private static final String ATTR_PERMISSION_NAME = "name"; 1110 private static final String ATTR_IS_GRANTED = "g"; 1111 private static final String ATTR_USER_SET = "set"; 1112 private static final String ATTR_USER_FIXED = "fixed"; 1113 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1114 1115 // System/policy permission grants are not backed up 1116 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1117 FLAG_PERMISSION_POLICY_FIXED 1118 | FLAG_PERMISSION_SYSTEM_FIXED 1119 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1120 1121 // And we back up these user-adjusted states 1122 private static final int USER_RUNTIME_GRANT_MASK = 1123 FLAG_PERMISSION_USER_SET 1124 | FLAG_PERMISSION_USER_FIXED 1125 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1126 1127 final @Nullable String mRequiredVerifierPackage; 1128 final @NonNull String mRequiredInstallerPackage; 1129 final @Nullable String mSetupWizardPackage; 1130 final @NonNull String mServicesSystemSharedLibraryPackageName; 1131 final @NonNull String mSharedSystemSharedLibraryPackageName; 1132 1133 private final PackageUsage mPackageUsage = new PackageUsage(); 1134 1135 private class PackageUsage { 1136 private static final int WRITE_INTERVAL 1137 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1138 1139 private final Object mFileLock = new Object(); 1140 private final AtomicLong mLastWritten = new AtomicLong(0); 1141 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1142 1143 private boolean mIsHistoricalPackageUsageAvailable = true; 1144 1145 boolean isHistoricalPackageUsageAvailable() { 1146 return mIsHistoricalPackageUsageAvailable; 1147 } 1148 1149 void write(boolean force) { 1150 if (force) { 1151 writeInternal(); 1152 return; 1153 } 1154 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1155 && !DEBUG_DEXOPT) { 1156 return; 1157 } 1158 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1159 new Thread("PackageUsage_DiskWriter") { 1160 @Override 1161 public void run() { 1162 try { 1163 writeInternal(); 1164 } finally { 1165 mBackgroundWriteRunning.set(false); 1166 } 1167 } 1168 }.start(); 1169 } 1170 } 1171 1172 private void writeInternal() { 1173 synchronized (mPackages) { 1174 synchronized (mFileLock) { 1175 AtomicFile file = getFile(); 1176 FileOutputStream f = null; 1177 try { 1178 f = file.startWrite(); 1179 BufferedOutputStream out = new BufferedOutputStream(f); 1180 FileUtils.setPermissions(file.getBaseFile().getPath(), 1181 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1182 StringBuilder sb = new StringBuilder(); 1183 1184 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1185 sb.append('\n'); 1186 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1187 1188 for (PackageParser.Package pkg : mPackages.values()) { 1189 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1190 continue; 1191 } 1192 sb.setLength(0); 1193 sb.append(pkg.packageName); 1194 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1195 sb.append(' '); 1196 sb.append(usageTimeInMillis); 1197 } 1198 sb.append('\n'); 1199 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1200 } 1201 out.flush(); 1202 file.finishWrite(f); 1203 } catch (IOException e) { 1204 if (f != null) { 1205 file.failWrite(f); 1206 } 1207 Log.e(TAG, "Failed to write package usage times", e); 1208 } 1209 } 1210 } 1211 mLastWritten.set(SystemClock.elapsedRealtime()); 1212 } 1213 1214 void readLP() { 1215 synchronized (mFileLock) { 1216 AtomicFile file = getFile(); 1217 BufferedInputStream in = null; 1218 try { 1219 in = new BufferedInputStream(file.openRead()); 1220 StringBuffer sb = new StringBuffer(); 1221 1222 String firstLine = readLine(in, sb); 1223 if (firstLine == null) { 1224 // Empty file. Do nothing. 1225 } else if (USAGE_FILE_MAGIC_VERSION_1.equals(firstLine)) { 1226 readVersion1LP(in, sb); 1227 } else { 1228 readVersion0LP(in, sb, firstLine); 1229 } 1230 } catch (FileNotFoundException expected) { 1231 mIsHistoricalPackageUsageAvailable = false; 1232 } catch (IOException e) { 1233 Log.w(TAG, "Failed to read package usage times", e); 1234 } finally { 1235 IoUtils.closeQuietly(in); 1236 } 1237 } 1238 mLastWritten.set(SystemClock.elapsedRealtime()); 1239 } 1240 1241 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1242 throws IOException { 1243 // Initial version of the file had no version number and stored one 1244 // package-timestamp pair per line. 1245 // Note that the first line has already been read from the InputStream. 1246 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1247 String[] tokens = line.split(" "); 1248 if (tokens.length != 2) { 1249 throw new IOException("Failed to parse " + line + 1250 " as package-timestamp pair."); 1251 } 1252 1253 String packageName = tokens[0]; 1254 PackageParser.Package pkg = mPackages.get(packageName); 1255 if (pkg == null) { 1256 continue; 1257 } 1258 1259 long timestamp = parseAsLong(tokens[1]); 1260 for (int reason = 0; 1261 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1262 reason++) { 1263 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1264 } 1265 } 1266 } 1267 1268 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1269 // Version 1 of the file started with the corresponding version 1270 // number and then stored a package name and eight timestamps per line. 1271 String line; 1272 while ((line = readLine(in, sb)) != null) { 1273 String[] tokens = line.split(" "); 1274 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1275 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1276 } 1277 1278 String packageName = tokens[0]; 1279 PackageParser.Package pkg = mPackages.get(packageName); 1280 if (pkg == null) { 1281 continue; 1282 } 1283 1284 for (int reason = 0; 1285 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1286 reason++) { 1287 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1288 } 1289 } 1290 } 1291 1292 private long parseAsLong(String token) throws IOException { 1293 try { 1294 return Long.parseLong(token); 1295 } catch (NumberFormatException e) { 1296 throw new IOException("Failed to parse " + token + " as a long.", e); 1297 } 1298 } 1299 1300 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1301 return readToken(in, sb, '\n'); 1302 } 1303 1304 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1305 throws IOException { 1306 sb.setLength(0); 1307 while (true) { 1308 int ch = in.read(); 1309 if (ch == -1) { 1310 if (sb.length() == 0) { 1311 return null; 1312 } 1313 throw new IOException("Unexpected EOF"); 1314 } 1315 if (ch == endOfToken) { 1316 return sb.toString(); 1317 } 1318 sb.append((char)ch); 1319 } 1320 } 1321 1322 private AtomicFile getFile() { 1323 File dataDir = Environment.getDataDirectory(); 1324 File systemDir = new File(dataDir, "system"); 1325 File fname = new File(systemDir, "package-usage.list"); 1326 return new AtomicFile(fname); 1327 } 1328 1329 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1330 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1331 } 1332 1333 class PackageHandler extends Handler { 1334 private boolean mBound = false; 1335 final ArrayList<HandlerParams> mPendingInstalls = 1336 new ArrayList<HandlerParams>(); 1337 1338 private boolean connectToService() { 1339 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1340 " DefaultContainerService"); 1341 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1342 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1343 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1344 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1345 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1346 mBound = true; 1347 return true; 1348 } 1349 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1350 return false; 1351 } 1352 1353 private void disconnectService() { 1354 mContainerService = null; 1355 mBound = false; 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1357 mContext.unbindService(mDefContainerConn); 1358 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1359 } 1360 1361 PackageHandler(Looper looper) { 1362 super(looper); 1363 } 1364 1365 public void handleMessage(Message msg) { 1366 try { 1367 doHandleMessage(msg); 1368 } finally { 1369 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1370 } 1371 } 1372 1373 void doHandleMessage(Message msg) { 1374 switch (msg.what) { 1375 case INIT_COPY: { 1376 HandlerParams params = (HandlerParams) msg.obj; 1377 int idx = mPendingInstalls.size(); 1378 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1379 // If a bind was already initiated we dont really 1380 // need to do anything. The pending install 1381 // will be processed later on. 1382 if (!mBound) { 1383 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1384 System.identityHashCode(mHandler)); 1385 // If this is the only one pending we might 1386 // have to bind to the service again. 1387 if (!connectToService()) { 1388 Slog.e(TAG, "Failed to bind to media container service"); 1389 params.serviceError(); 1390 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1391 System.identityHashCode(mHandler)); 1392 if (params.traceMethod != null) { 1393 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1394 params.traceCookie); 1395 } 1396 return; 1397 } else { 1398 // Once we bind to the service, the first 1399 // pending request will be processed. 1400 mPendingInstalls.add(idx, params); 1401 } 1402 } else { 1403 mPendingInstalls.add(idx, params); 1404 // Already bound to the service. Just make 1405 // sure we trigger off processing the first request. 1406 if (idx == 0) { 1407 mHandler.sendEmptyMessage(MCS_BOUND); 1408 } 1409 } 1410 break; 1411 } 1412 case MCS_BOUND: { 1413 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1414 if (msg.obj != null) { 1415 mContainerService = (IMediaContainerService) msg.obj; 1416 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1417 System.identityHashCode(mHandler)); 1418 } 1419 if (mContainerService == null) { 1420 if (!mBound) { 1421 // Something seriously wrong since we are not bound and we are not 1422 // waiting for connection. Bail out. 1423 Slog.e(TAG, "Cannot bind to media container service"); 1424 for (HandlerParams params : mPendingInstalls) { 1425 // Indicate service bind error 1426 params.serviceError(); 1427 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1428 System.identityHashCode(params)); 1429 if (params.traceMethod != null) { 1430 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1431 params.traceMethod, params.traceCookie); 1432 } 1433 return; 1434 } 1435 mPendingInstalls.clear(); 1436 } else { 1437 Slog.w(TAG, "Waiting to connect to media container service"); 1438 } 1439 } else if (mPendingInstalls.size() > 0) { 1440 HandlerParams params = mPendingInstalls.get(0); 1441 if (params != null) { 1442 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1443 System.identityHashCode(params)); 1444 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1445 if (params.startCopy()) { 1446 // We are done... look for more work or to 1447 // go idle. 1448 if (DEBUG_SD_INSTALL) Log.i(TAG, 1449 "Checking for more work or unbind..."); 1450 // Delete pending install 1451 if (mPendingInstalls.size() > 0) { 1452 mPendingInstalls.remove(0); 1453 } 1454 if (mPendingInstalls.size() == 0) { 1455 if (mBound) { 1456 if (DEBUG_SD_INSTALL) Log.i(TAG, 1457 "Posting delayed MCS_UNBIND"); 1458 removeMessages(MCS_UNBIND); 1459 Message ubmsg = obtainMessage(MCS_UNBIND); 1460 // Unbind after a little delay, to avoid 1461 // continual thrashing. 1462 sendMessageDelayed(ubmsg, 10000); 1463 } 1464 } else { 1465 // There are more pending requests in queue. 1466 // Just post MCS_BOUND message to trigger processing 1467 // of next pending install. 1468 if (DEBUG_SD_INSTALL) Log.i(TAG, 1469 "Posting MCS_BOUND for next work"); 1470 mHandler.sendEmptyMessage(MCS_BOUND); 1471 } 1472 } 1473 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1474 } 1475 } else { 1476 // Should never happen ideally. 1477 Slog.w(TAG, "Empty queue"); 1478 } 1479 break; 1480 } 1481 case MCS_RECONNECT: { 1482 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1483 if (mPendingInstalls.size() > 0) { 1484 if (mBound) { 1485 disconnectService(); 1486 } 1487 if (!connectToService()) { 1488 Slog.e(TAG, "Failed to bind to media container service"); 1489 for (HandlerParams params : mPendingInstalls) { 1490 // Indicate service bind error 1491 params.serviceError(); 1492 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1493 System.identityHashCode(params)); 1494 } 1495 mPendingInstalls.clear(); 1496 } 1497 } 1498 break; 1499 } 1500 case MCS_UNBIND: { 1501 // If there is no actual work left, then time to unbind. 1502 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1503 1504 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1505 if (mBound) { 1506 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1507 1508 disconnectService(); 1509 } 1510 } else if (mPendingInstalls.size() > 0) { 1511 // There are more pending requests in queue. 1512 // Just post MCS_BOUND message to trigger processing 1513 // of next pending install. 1514 mHandler.sendEmptyMessage(MCS_BOUND); 1515 } 1516 1517 break; 1518 } 1519 case MCS_GIVE_UP: { 1520 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1521 HandlerParams params = mPendingInstalls.remove(0); 1522 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1523 System.identityHashCode(params)); 1524 break; 1525 } 1526 case SEND_PENDING_BROADCAST: { 1527 String packages[]; 1528 ArrayList<String> components[]; 1529 int size = 0; 1530 int uids[]; 1531 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1532 synchronized (mPackages) { 1533 if (mPendingBroadcasts == null) { 1534 return; 1535 } 1536 size = mPendingBroadcasts.size(); 1537 if (size <= 0) { 1538 // Nothing to be done. Just return 1539 return; 1540 } 1541 packages = new String[size]; 1542 components = new ArrayList[size]; 1543 uids = new int[size]; 1544 int i = 0; // filling out the above arrays 1545 1546 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1547 int packageUserId = mPendingBroadcasts.userIdAt(n); 1548 Iterator<Map.Entry<String, ArrayList<String>>> it 1549 = mPendingBroadcasts.packagesForUserId(packageUserId) 1550 .entrySet().iterator(); 1551 while (it.hasNext() && i < size) { 1552 Map.Entry<String, ArrayList<String>> ent = it.next(); 1553 packages[i] = ent.getKey(); 1554 components[i] = ent.getValue(); 1555 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1556 uids[i] = (ps != null) 1557 ? UserHandle.getUid(packageUserId, ps.appId) 1558 : -1; 1559 i++; 1560 } 1561 } 1562 size = i; 1563 mPendingBroadcasts.clear(); 1564 } 1565 // Send broadcasts 1566 for (int i = 0; i < size; i++) { 1567 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1568 } 1569 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1570 break; 1571 } 1572 case START_CLEANING_PACKAGE: { 1573 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1574 final String packageName = (String)msg.obj; 1575 final int userId = msg.arg1; 1576 final boolean andCode = msg.arg2 != 0; 1577 synchronized (mPackages) { 1578 if (userId == UserHandle.USER_ALL) { 1579 int[] users = sUserManager.getUserIds(); 1580 for (int user : users) { 1581 mSettings.addPackageToCleanLPw( 1582 new PackageCleanItem(user, packageName, andCode)); 1583 } 1584 } else { 1585 mSettings.addPackageToCleanLPw( 1586 new PackageCleanItem(userId, packageName, andCode)); 1587 } 1588 } 1589 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1590 startCleaningPackages(); 1591 } break; 1592 case POST_INSTALL: { 1593 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1594 1595 PostInstallData data = mRunningInstalls.get(msg.arg1); 1596 final boolean didRestore = (msg.arg2 != 0); 1597 mRunningInstalls.delete(msg.arg1); 1598 1599 if (data != null) { 1600 InstallArgs args = data.args; 1601 PackageInstalledInfo parentRes = data.res; 1602 1603 final boolean grantPermissions = (args.installFlags 1604 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1605 final boolean killApp = (args.installFlags 1606 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1607 final String[] grantedPermissions = args.installGrantPermissions; 1608 1609 // Handle the parent package 1610 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1611 grantedPermissions, didRestore, args.installerPackageName, 1612 args.observer); 1613 1614 // Handle the child packages 1615 final int childCount = (parentRes.addedChildPackages != null) 1616 ? parentRes.addedChildPackages.size() : 0; 1617 for (int i = 0; i < childCount; i++) { 1618 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1619 handlePackagePostInstall(childRes, grantPermissions, killApp, 1620 grantedPermissions, false, args.installerPackageName, 1621 args.observer); 1622 } 1623 1624 // Log tracing if needed 1625 if (args.traceMethod != null) { 1626 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1627 args.traceCookie); 1628 } 1629 } else { 1630 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1631 } 1632 1633 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1634 } break; 1635 case UPDATED_MEDIA_STATUS: { 1636 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1637 boolean reportStatus = msg.arg1 == 1; 1638 boolean doGc = msg.arg2 == 1; 1639 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1640 if (doGc) { 1641 // Force a gc to clear up stale containers. 1642 Runtime.getRuntime().gc(); 1643 } 1644 if (msg.obj != null) { 1645 @SuppressWarnings("unchecked") 1646 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1647 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1648 // Unload containers 1649 unloadAllContainers(args); 1650 } 1651 if (reportStatus) { 1652 try { 1653 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1654 PackageHelper.getMountService().finishMediaUpdate(); 1655 } catch (RemoteException e) { 1656 Log.e(TAG, "MountService not running?"); 1657 } 1658 } 1659 } break; 1660 case WRITE_SETTINGS: { 1661 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1662 synchronized (mPackages) { 1663 removeMessages(WRITE_SETTINGS); 1664 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1665 mSettings.writeLPr(); 1666 mDirtyUsers.clear(); 1667 } 1668 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1669 } break; 1670 case WRITE_PACKAGE_RESTRICTIONS: { 1671 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1672 synchronized (mPackages) { 1673 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1674 for (int userId : mDirtyUsers) { 1675 mSettings.writePackageRestrictionsLPr(userId); 1676 } 1677 mDirtyUsers.clear(); 1678 } 1679 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1680 } break; 1681 case WRITE_PACKAGE_LIST: { 1682 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1683 synchronized (mPackages) { 1684 removeMessages(WRITE_PACKAGE_LIST); 1685 mSettings.writePackageListLPr(msg.arg1); 1686 } 1687 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1688 } break; 1689 case CHECK_PENDING_VERIFICATION: { 1690 final int verificationId = msg.arg1; 1691 final PackageVerificationState state = mPendingVerification.get(verificationId); 1692 1693 if ((state != null) && !state.timeoutExtended()) { 1694 final InstallArgs args = state.getInstallArgs(); 1695 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1696 1697 Slog.i(TAG, "Verification timed out for " + originUri); 1698 mPendingVerification.remove(verificationId); 1699 1700 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1701 1702 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1703 Slog.i(TAG, "Continuing with installation of " + originUri); 1704 state.setVerifierResponse(Binder.getCallingUid(), 1705 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1706 broadcastPackageVerified(verificationId, originUri, 1707 PackageManager.VERIFICATION_ALLOW, 1708 state.getInstallArgs().getUser()); 1709 try { 1710 ret = args.copyApk(mContainerService, true); 1711 } catch (RemoteException e) { 1712 Slog.e(TAG, "Could not contact the ContainerService"); 1713 } 1714 } else { 1715 broadcastPackageVerified(verificationId, originUri, 1716 PackageManager.VERIFICATION_REJECT, 1717 state.getInstallArgs().getUser()); 1718 } 1719 1720 Trace.asyncTraceEnd( 1721 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1722 1723 processPendingInstall(args, ret); 1724 mHandler.sendEmptyMessage(MCS_UNBIND); 1725 } 1726 break; 1727 } 1728 case PACKAGE_VERIFIED: { 1729 final int verificationId = msg.arg1; 1730 1731 final PackageVerificationState state = mPendingVerification.get(verificationId); 1732 if (state == null) { 1733 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1734 break; 1735 } 1736 1737 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1738 1739 state.setVerifierResponse(response.callerUid, response.code); 1740 1741 if (state.isVerificationComplete()) { 1742 mPendingVerification.remove(verificationId); 1743 1744 final InstallArgs args = state.getInstallArgs(); 1745 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1746 1747 int ret; 1748 if (state.isInstallAllowed()) { 1749 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1750 broadcastPackageVerified(verificationId, originUri, 1751 response.code, state.getInstallArgs().getUser()); 1752 try { 1753 ret = args.copyApk(mContainerService, true); 1754 } catch (RemoteException e) { 1755 Slog.e(TAG, "Could not contact the ContainerService"); 1756 } 1757 } else { 1758 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1759 } 1760 1761 Trace.asyncTraceEnd( 1762 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1763 1764 processPendingInstall(args, ret); 1765 mHandler.sendEmptyMessage(MCS_UNBIND); 1766 } 1767 1768 break; 1769 } 1770 case START_INTENT_FILTER_VERIFICATIONS: { 1771 IFVerificationParams params = (IFVerificationParams) msg.obj; 1772 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1773 params.replacing, params.pkg); 1774 break; 1775 } 1776 case INTENT_FILTER_VERIFIED: { 1777 final int verificationId = msg.arg1; 1778 1779 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1780 verificationId); 1781 if (state == null) { 1782 Slog.w(TAG, "Invalid IntentFilter verification token " 1783 + verificationId + " received"); 1784 break; 1785 } 1786 1787 final int userId = state.getUserId(); 1788 1789 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1790 "Processing IntentFilter verification with token:" 1791 + verificationId + " and userId:" + userId); 1792 1793 final IntentFilterVerificationResponse response = 1794 (IntentFilterVerificationResponse) msg.obj; 1795 1796 state.setVerifierResponse(response.callerUid, response.code); 1797 1798 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1799 "IntentFilter verification with token:" + verificationId 1800 + " and userId:" + userId 1801 + " is settings verifier response with response code:" 1802 + response.code); 1803 1804 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1805 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1806 + response.getFailedDomainsString()); 1807 } 1808 1809 if (state.isVerificationComplete()) { 1810 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1811 } else { 1812 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1813 "IntentFilter verification with token:" + verificationId 1814 + " was not said to be complete"); 1815 } 1816 1817 break; 1818 } 1819 } 1820 } 1821 } 1822 1823 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1824 boolean killApp, String[] grantedPermissions, 1825 boolean launchedForRestore, String installerPackage, 1826 IPackageInstallObserver2 installObserver) { 1827 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1828 // Send the removed broadcasts 1829 if (res.removedInfo != null) { 1830 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1831 } 1832 1833 // Now that we successfully installed the package, grant runtime 1834 // permissions if requested before broadcasting the install. 1835 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1836 >= Build.VERSION_CODES.M) { 1837 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1838 } 1839 1840 final boolean update = res.removedInfo != null 1841 && res.removedInfo.removedPackage != null; 1842 1843 // If this is the first time we have child packages for a disabled privileged 1844 // app that had no children, we grant requested runtime permissions to the new 1845 // children if the parent on the system image had them already granted. 1846 if (res.pkg.parentPackage != null) { 1847 synchronized (mPackages) { 1848 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1849 } 1850 } 1851 1852 synchronized (mPackages) { 1853 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1854 } 1855 1856 final String packageName = res.pkg.applicationInfo.packageName; 1857 Bundle extras = new Bundle(1); 1858 extras.putInt(Intent.EXTRA_UID, res.uid); 1859 1860 // Determine the set of users who are adding this package for 1861 // the first time vs. those who are seeing an update. 1862 int[] firstUsers = EMPTY_INT_ARRAY; 1863 int[] updateUsers = EMPTY_INT_ARRAY; 1864 if (res.origUsers == null || res.origUsers.length == 0) { 1865 firstUsers = res.newUsers; 1866 } else { 1867 for (int newUser : res.newUsers) { 1868 boolean isNew = true; 1869 for (int origUser : res.origUsers) { 1870 if (origUser == newUser) { 1871 isNew = false; 1872 break; 1873 } 1874 } 1875 if (isNew) { 1876 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1877 } else { 1878 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1879 } 1880 } 1881 } 1882 1883 // Send installed broadcasts if the install/update is not ephemeral 1884 if (!isEphemeral(res.pkg)) { 1885 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1886 1887 // Send added for users that see the package for the first time 1888 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1889 extras, 0 /*flags*/, null /*targetPackage*/, 1890 null /*finishedReceiver*/, firstUsers); 1891 1892 // Send added for users that don't see the package for the first time 1893 if (update) { 1894 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1895 } 1896 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1897 extras, 0 /*flags*/, null /*targetPackage*/, 1898 null /*finishedReceiver*/, updateUsers); 1899 1900 // Send replaced for users that don't see the package for the first time 1901 if (update) { 1902 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1903 packageName, extras, 0 /*flags*/, 1904 null /*targetPackage*/, null /*finishedReceiver*/, 1905 updateUsers); 1906 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1907 null /*package*/, null /*extras*/, 0 /*flags*/, 1908 packageName /*targetPackage*/, 1909 null /*finishedReceiver*/, updateUsers); 1910 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1911 // First-install and we did a restore, so we're responsible for the 1912 // first-launch broadcast. 1913 if (DEBUG_BACKUP) { 1914 Slog.i(TAG, "Post-restore of " + packageName 1915 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1916 } 1917 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1918 } 1919 1920 // Send broadcast package appeared if forward locked/external for all users 1921 // treat asec-hosted packages like removable media on upgrade 1922 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1923 if (DEBUG_INSTALL) { 1924 Slog.i(TAG, "upgrading pkg " + res.pkg 1925 + " is ASEC-hosted -> AVAILABLE"); 1926 } 1927 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1928 ArrayList<String> pkgList = new ArrayList<>(1); 1929 pkgList.add(packageName); 1930 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1931 } 1932 } 1933 1934 // Work that needs to happen on first install within each user 1935 if (firstUsers != null && firstUsers.length > 0) { 1936 synchronized (mPackages) { 1937 for (int userId : firstUsers) { 1938 // If this app is a browser and it's newly-installed for some 1939 // users, clear any default-browser state in those users. The 1940 // app's nature doesn't depend on the user, so we can just check 1941 // its browser nature in any user and generalize. 1942 if (packageIsBrowser(packageName, userId)) { 1943 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1944 } 1945 1946 // We may also need to apply pending (restored) runtime 1947 // permission grants within these users. 1948 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1949 } 1950 } 1951 } 1952 1953 // Log current value of "unknown sources" setting 1954 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1955 getUnknownSourcesSettings()); 1956 1957 // Force a gc to clear up things 1958 Runtime.getRuntime().gc(); 1959 1960 // Remove the replaced package's older resources safely now 1961 // We delete after a gc for applications on sdcard. 1962 if (res.removedInfo != null && res.removedInfo.args != null) { 1963 synchronized (mInstallLock) { 1964 res.removedInfo.args.doPostDeleteLI(true); 1965 } 1966 } 1967 } 1968 1969 // If someone is watching installs - notify them 1970 if (installObserver != null) { 1971 try { 1972 Bundle extras = extrasForInstallResult(res); 1973 installObserver.onPackageInstalled(res.name, res.returnCode, 1974 res.returnMsg, extras); 1975 } catch (RemoteException e) { 1976 Slog.i(TAG, "Observer no longer exists."); 1977 } 1978 } 1979 } 1980 1981 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1982 PackageParser.Package pkg) { 1983 if (pkg.parentPackage == null) { 1984 return; 1985 } 1986 if (pkg.requestedPermissions == null) { 1987 return; 1988 } 1989 final PackageSetting disabledSysParentPs = mSettings 1990 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1991 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1992 || !disabledSysParentPs.isPrivileged() 1993 || (disabledSysParentPs.childPackageNames != null 1994 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1995 return; 1996 } 1997 final int[] allUserIds = sUserManager.getUserIds(); 1998 final int permCount = pkg.requestedPermissions.size(); 1999 for (int i = 0; i < permCount; i++) { 2000 String permission = pkg.requestedPermissions.get(i); 2001 BasePermission bp = mSettings.mPermissions.get(permission); 2002 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 2003 continue; 2004 } 2005 for (int userId : allUserIds) { 2006 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 2007 permission, userId)) { 2008 grantRuntimePermission(pkg.packageName, permission, userId); 2009 } 2010 } 2011 } 2012 } 2013 2014 private StorageEventListener mStorageListener = new StorageEventListener() { 2015 @Override 2016 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2017 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2018 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2019 final String volumeUuid = vol.getFsUuid(); 2020 2021 // Clean up any users or apps that were removed or recreated 2022 // while this volume was missing 2023 reconcileUsers(volumeUuid); 2024 reconcileApps(volumeUuid); 2025 2026 // Clean up any install sessions that expired or were 2027 // cancelled while this volume was missing 2028 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2029 2030 loadPrivatePackages(vol); 2031 2032 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2033 unloadPrivatePackages(vol); 2034 } 2035 } 2036 2037 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2038 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2039 updateExternalMediaStatus(true, false); 2040 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2041 updateExternalMediaStatus(false, false); 2042 } 2043 } 2044 } 2045 2046 @Override 2047 public void onVolumeForgotten(String fsUuid) { 2048 if (TextUtils.isEmpty(fsUuid)) { 2049 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2050 return; 2051 } 2052 2053 // Remove any apps installed on the forgotten volume 2054 synchronized (mPackages) { 2055 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2056 for (PackageSetting ps : packages) { 2057 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2058 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2059 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2060 } 2061 2062 mSettings.onVolumeForgotten(fsUuid); 2063 mSettings.writeLPr(); 2064 } 2065 } 2066 }; 2067 2068 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2069 String[] grantedPermissions) { 2070 for (int userId : userIds) { 2071 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2072 } 2073 2074 // We could have touched GID membership, so flush out packages.list 2075 synchronized (mPackages) { 2076 mSettings.writePackageListLPr(); 2077 } 2078 } 2079 2080 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2081 String[] grantedPermissions) { 2082 SettingBase sb = (SettingBase) pkg.mExtras; 2083 if (sb == null) { 2084 return; 2085 } 2086 2087 PermissionsState permissionsState = sb.getPermissionsState(); 2088 2089 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2090 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2091 2092 for (String permission : pkg.requestedPermissions) { 2093 final BasePermission bp; 2094 synchronized (mPackages) { 2095 bp = mSettings.mPermissions.get(permission); 2096 } 2097 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2098 && (grantedPermissions == null 2099 || ArrayUtils.contains(grantedPermissions, permission))) { 2100 final int flags = permissionsState.getPermissionFlags(permission, userId); 2101 // Installer cannot change immutable permissions. 2102 if ((flags & immutableFlags) == 0) { 2103 grantRuntimePermission(pkg.packageName, permission, userId); 2104 } 2105 } 2106 } 2107 } 2108 2109 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2110 Bundle extras = null; 2111 switch (res.returnCode) { 2112 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2113 extras = new Bundle(); 2114 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2115 res.origPermission); 2116 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2117 res.origPackage); 2118 break; 2119 } 2120 case PackageManager.INSTALL_SUCCEEDED: { 2121 extras = new Bundle(); 2122 extras.putBoolean(Intent.EXTRA_REPLACING, 2123 res.removedInfo != null && res.removedInfo.removedPackage != null); 2124 break; 2125 } 2126 } 2127 return extras; 2128 } 2129 2130 void scheduleWriteSettingsLocked() { 2131 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2132 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2133 } 2134 } 2135 2136 void scheduleWritePackageListLocked(int userId) { 2137 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2138 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2139 msg.arg1 = userId; 2140 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2141 } 2142 } 2143 2144 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2145 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2146 scheduleWritePackageRestrictionsLocked(userId); 2147 } 2148 2149 void scheduleWritePackageRestrictionsLocked(int userId) { 2150 final int[] userIds = (userId == UserHandle.USER_ALL) 2151 ? sUserManager.getUserIds() : new int[]{userId}; 2152 for (int nextUserId : userIds) { 2153 if (!sUserManager.exists(nextUserId)) return; 2154 mDirtyUsers.add(nextUserId); 2155 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2156 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2157 } 2158 } 2159 } 2160 2161 public static PackageManagerService main(Context context, Installer installer, 2162 boolean factoryTest, boolean onlyCore) { 2163 // Self-check for initial settings. 2164 PackageManagerServiceCompilerMapping.checkProperties(); 2165 2166 PackageManagerService m = new PackageManagerService(context, installer, 2167 factoryTest, onlyCore); 2168 m.enableSystemUserPackages(); 2169 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2170 // disabled after already being started. 2171 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2172 UserHandle.USER_SYSTEM); 2173 ServiceManager.addService("package", m); 2174 return m; 2175 } 2176 2177 private void enableSystemUserPackages() { 2178 if (!UserManager.isSplitSystemUser()) { 2179 return; 2180 } 2181 // For system user, enable apps based on the following conditions: 2182 // - app is whitelisted or belong to one of these groups: 2183 // -- system app which has no launcher icons 2184 // -- system app which has INTERACT_ACROSS_USERS permission 2185 // -- system IME app 2186 // - app is not in the blacklist 2187 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2188 Set<String> enableApps = new ArraySet<>(); 2189 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2190 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2191 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2192 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2193 enableApps.addAll(wlApps); 2194 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2195 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2196 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2197 enableApps.removeAll(blApps); 2198 Log.i(TAG, "Applications installed for system user: " + enableApps); 2199 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2200 UserHandle.SYSTEM); 2201 final int allAppsSize = allAps.size(); 2202 synchronized (mPackages) { 2203 for (int i = 0; i < allAppsSize; i++) { 2204 String pName = allAps.get(i); 2205 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2206 // Should not happen, but we shouldn't be failing if it does 2207 if (pkgSetting == null) { 2208 continue; 2209 } 2210 boolean install = enableApps.contains(pName); 2211 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2212 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2213 + " for system user"); 2214 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2215 } 2216 } 2217 } 2218 } 2219 2220 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2221 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2222 Context.DISPLAY_SERVICE); 2223 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2224 } 2225 2226 /** 2227 * Requests that files preopted on a secondary system partition be copied to the data partition 2228 * if possible. Note that the actual copying of the files is accomplished by init for security 2229 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2230 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2231 */ 2232 private static void requestCopyPreoptedFiles() { 2233 final int WAIT_TIME_MS = 100; 2234 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2235 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2236 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2237 // We will wait for up to 100 seconds. 2238 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2239 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2240 try { 2241 Thread.sleep(WAIT_TIME_MS); 2242 } catch (InterruptedException e) { 2243 // Do nothing 2244 } 2245 if (SystemClock.uptimeMillis() > timeEnd) { 2246 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2247 Slog.wtf(TAG, "cppreopt did not finish!"); 2248 break; 2249 } 2250 } 2251 } 2252 } 2253 2254 public PackageManagerService(Context context, Installer installer, 2255 boolean factoryTest, boolean onlyCore) { 2256 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2257 SystemClock.uptimeMillis()); 2258 2259 if (mSdkVersion <= 0) { 2260 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2261 } 2262 2263 mContext = context; 2264 mFactoryTest = factoryTest; 2265 mOnlyCore = onlyCore; 2266 mMetrics = new DisplayMetrics(); 2267 mSettings = new Settings(mPackages); 2268 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2269 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2270 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2271 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2272 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2273 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2274 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2275 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2276 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2277 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2278 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2279 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2280 2281 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2282 if (separateProcesses != null && separateProcesses.length() > 0) { 2283 if ("*".equals(separateProcesses)) { 2284 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2285 mSeparateProcesses = null; 2286 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2287 } else { 2288 mDefParseFlags = 0; 2289 mSeparateProcesses = separateProcesses.split(","); 2290 Slog.w(TAG, "Running with debug.separate_processes: " 2291 + separateProcesses); 2292 } 2293 } else { 2294 mDefParseFlags = 0; 2295 mSeparateProcesses = null; 2296 } 2297 2298 mInstaller = installer; 2299 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2300 "*dexopt*"); 2301 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2302 2303 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2304 FgThread.get().getLooper()); 2305 2306 getDefaultDisplayMetrics(context, mMetrics); 2307 2308 SystemConfig systemConfig = SystemConfig.getInstance(); 2309 mGlobalGids = systemConfig.getGlobalGids(); 2310 mSystemPermissions = systemConfig.getSystemPermissions(); 2311 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2312 2313 mProtectedPackages = new ProtectedPackages(mContext); 2314 2315 synchronized (mInstallLock) { 2316 // writer 2317 synchronized (mPackages) { 2318 mHandlerThread = new ServiceThread(TAG, 2319 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2320 mHandlerThread.start(); 2321 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2322 mProcessLoggingHandler = new ProcessLoggingHandler(); 2323 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2324 2325 File dataDir = Environment.getDataDirectory(); 2326 mAppInstallDir = new File(dataDir, "app"); 2327 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2328 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2329 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2330 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2331 2332 sUserManager = new UserManagerService(context, this, mPackages); 2333 2334 // Propagate permission configuration in to package manager. 2335 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2336 = systemConfig.getPermissions(); 2337 for (int i=0; i<permConfig.size(); i++) { 2338 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2339 BasePermission bp = mSettings.mPermissions.get(perm.name); 2340 if (bp == null) { 2341 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2342 mSettings.mPermissions.put(perm.name, bp); 2343 } 2344 if (perm.gids != null) { 2345 bp.setGids(perm.gids, perm.perUser); 2346 } 2347 } 2348 2349 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2350 for (int i=0; i<libConfig.size(); i++) { 2351 mSharedLibraries.put(libConfig.keyAt(i), 2352 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2353 } 2354 2355 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2356 2357 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2358 2359 if (mFirstBoot) { 2360 requestCopyPreoptedFiles(); 2361 } 2362 2363 String customResolverActivity = Resources.getSystem().getString( 2364 R.string.config_customResolverActivity); 2365 if (TextUtils.isEmpty(customResolverActivity)) { 2366 customResolverActivity = null; 2367 } else { 2368 mCustomResolverComponentName = ComponentName.unflattenFromString( 2369 customResolverActivity); 2370 } 2371 2372 long startTime = SystemClock.uptimeMillis(); 2373 2374 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2375 startTime); 2376 2377 // Set flag to monitor and not change apk file paths when 2378 // scanning install directories. 2379 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2380 2381 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2382 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2383 2384 if (bootClassPath == null) { 2385 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2386 } 2387 2388 if (systemServerClassPath == null) { 2389 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2390 } 2391 2392 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2393 final String[] dexCodeInstructionSets = 2394 getDexCodeInstructionSets( 2395 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2396 2397 /** 2398 * Ensure all external libraries have had dexopt run on them. 2399 */ 2400 if (mSharedLibraries.size() > 0) { 2401 // NOTE: For now, we're compiling these system "shared libraries" 2402 // (and framework jars) into all available architectures. It's possible 2403 // to compile them only when we come across an app that uses them (there's 2404 // already logic for that in scanPackageLI) but that adds some complexity. 2405 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2406 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2407 final String lib = libEntry.path; 2408 if (lib == null) { 2409 continue; 2410 } 2411 2412 try { 2413 // Shared libraries do not have profiles so we perform a full 2414 // AOT compilation (if needed). 2415 int dexoptNeeded = DexFile.getDexOptNeeded( 2416 lib, dexCodeInstructionSet, 2417 getCompilerFilterForReason(REASON_SHARED_APK), 2418 false /* newProfile */); 2419 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2420 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2421 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2422 getCompilerFilterForReason(REASON_SHARED_APK), 2423 StorageManager.UUID_PRIVATE_INTERNAL, 2424 SKIP_SHARED_LIBRARY_CHECK); 2425 } 2426 } catch (FileNotFoundException e) { 2427 Slog.w(TAG, "Library not found: " + lib); 2428 } catch (IOException | InstallerException e) { 2429 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2430 + e.getMessage()); 2431 } 2432 } 2433 } 2434 } 2435 2436 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2437 2438 final VersionInfo ver = mSettings.getInternalVersion(); 2439 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2440 2441 // when upgrading from pre-M, promote system app permissions from install to runtime 2442 mPromoteSystemApps = 2443 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2444 2445 // When upgrading from pre-N, we need to handle package extraction like first boot, 2446 // as there is no profiling data available. 2447 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2448 2449 // save off the names of pre-existing system packages prior to scanning; we don't 2450 // want to automatically grant runtime permissions for new system apps 2451 if (mPromoteSystemApps) { 2452 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2453 while (pkgSettingIter.hasNext()) { 2454 PackageSetting ps = pkgSettingIter.next(); 2455 if (isSystemApp(ps)) { 2456 mExistingSystemPackages.add(ps.name); 2457 } 2458 } 2459 } 2460 2461 // Collect vendor overlay packages. 2462 // (Do this before scanning any apps.) 2463 // For security and version matching reason, only consider 2464 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2465 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2466 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2467 | PackageParser.PARSE_IS_SYSTEM 2468 | PackageParser.PARSE_IS_SYSTEM_DIR 2469 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2470 2471 // Find base frameworks (resource packages without code). 2472 scanDirTracedLI(frameworkDir, mDefParseFlags 2473 | PackageParser.PARSE_IS_SYSTEM 2474 | PackageParser.PARSE_IS_SYSTEM_DIR 2475 | PackageParser.PARSE_IS_PRIVILEGED, 2476 scanFlags | SCAN_NO_DEX, 0); 2477 2478 // Collected privileged system packages. 2479 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2480 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2481 | PackageParser.PARSE_IS_SYSTEM 2482 | PackageParser.PARSE_IS_SYSTEM_DIR 2483 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2484 2485 // Collect ordinary system packages. 2486 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2487 scanDirTracedLI(systemAppDir, mDefParseFlags 2488 | PackageParser.PARSE_IS_SYSTEM 2489 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2490 2491 // Collect all vendor packages. 2492 File vendorAppDir = new File("/vendor/app"); 2493 try { 2494 vendorAppDir = vendorAppDir.getCanonicalFile(); 2495 } catch (IOException e) { 2496 // failed to look up canonical path, continue with original one 2497 } 2498 scanDirTracedLI(vendorAppDir, mDefParseFlags 2499 | PackageParser.PARSE_IS_SYSTEM 2500 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2501 2502 // Collect all OEM packages. 2503 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2504 scanDirTracedLI(oemAppDir, mDefParseFlags 2505 | PackageParser.PARSE_IS_SYSTEM 2506 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2507 2508 // Prune any system packages that no longer exist. 2509 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2510 if (!mOnlyCore) { 2511 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2512 while (psit.hasNext()) { 2513 PackageSetting ps = psit.next(); 2514 2515 /* 2516 * If this is not a system app, it can't be a 2517 * disable system app. 2518 */ 2519 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2520 continue; 2521 } 2522 2523 /* 2524 * If the package is scanned, it's not erased. 2525 */ 2526 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2527 if (scannedPkg != null) { 2528 /* 2529 * If the system app is both scanned and in the 2530 * disabled packages list, then it must have been 2531 * added via OTA. Remove it from the currently 2532 * scanned package so the previously user-installed 2533 * application can be scanned. 2534 */ 2535 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2536 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2537 + ps.name + "; removing system app. Last known codePath=" 2538 + ps.codePathString + ", installStatus=" + ps.installStatus 2539 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2540 + scannedPkg.mVersionCode); 2541 removePackageLI(scannedPkg, true); 2542 mExpectingBetter.put(ps.name, ps.codePath); 2543 } 2544 2545 continue; 2546 } 2547 2548 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2549 psit.remove(); 2550 logCriticalInfo(Log.WARN, "System package " + ps.name 2551 + " no longer exists; it's data will be wiped"); 2552 // Actual deletion of code and data will be handled by later 2553 // reconciliation step 2554 } else { 2555 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2556 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2557 possiblyDeletedUpdatedSystemApps.add(ps.name); 2558 } 2559 } 2560 } 2561 } 2562 2563 //look for any incomplete package installations 2564 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2565 for (int i = 0; i < deletePkgsList.size(); i++) { 2566 // Actual deletion of code and data will be handled by later 2567 // reconciliation step 2568 final String packageName = deletePkgsList.get(i).name; 2569 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2570 synchronized (mPackages) { 2571 mSettings.removePackageLPw(packageName); 2572 } 2573 } 2574 2575 //delete tmp files 2576 deleteTempPackageFiles(); 2577 2578 // Remove any shared userIDs that have no associated packages 2579 mSettings.pruneSharedUsersLPw(); 2580 2581 if (!mOnlyCore) { 2582 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2583 SystemClock.uptimeMillis()); 2584 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2585 2586 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2587 | PackageParser.PARSE_FORWARD_LOCK, 2588 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2589 2590 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2591 | PackageParser.PARSE_IS_EPHEMERAL, 2592 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2593 2594 /** 2595 * Remove disable package settings for any updated system 2596 * apps that were removed via an OTA. If they're not a 2597 * previously-updated app, remove them completely. 2598 * Otherwise, just revoke their system-level permissions. 2599 */ 2600 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2601 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2602 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2603 2604 String msg; 2605 if (deletedPkg == null) { 2606 msg = "Updated system package " + deletedAppName 2607 + " no longer exists; it's data will be wiped"; 2608 // Actual deletion of code and data will be handled by later 2609 // reconciliation step 2610 } else { 2611 msg = "Updated system app + " + deletedAppName 2612 + " no longer present; removing system privileges for " 2613 + deletedAppName; 2614 2615 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2616 2617 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2618 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2619 } 2620 logCriticalInfo(Log.WARN, msg); 2621 } 2622 2623 /** 2624 * Make sure all system apps that we expected to appear on 2625 * the userdata partition actually showed up. If they never 2626 * appeared, crawl back and revive the system version. 2627 */ 2628 for (int i = 0; i < mExpectingBetter.size(); i++) { 2629 final String packageName = mExpectingBetter.keyAt(i); 2630 if (!mPackages.containsKey(packageName)) { 2631 final File scanFile = mExpectingBetter.valueAt(i); 2632 2633 logCriticalInfo(Log.WARN, "Expected better " + packageName 2634 + " but never showed up; reverting to system"); 2635 2636 int reparseFlags = mDefParseFlags; 2637 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2638 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2639 | PackageParser.PARSE_IS_SYSTEM_DIR 2640 | PackageParser.PARSE_IS_PRIVILEGED; 2641 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2642 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2643 | PackageParser.PARSE_IS_SYSTEM_DIR; 2644 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2645 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2646 | PackageParser.PARSE_IS_SYSTEM_DIR; 2647 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2648 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2649 | PackageParser.PARSE_IS_SYSTEM_DIR; 2650 } else { 2651 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2652 continue; 2653 } 2654 2655 mSettings.enableSystemPackageLPw(packageName); 2656 2657 try { 2658 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2659 } catch (PackageManagerException e) { 2660 Slog.e(TAG, "Failed to parse original system package: " 2661 + e.getMessage()); 2662 } 2663 } 2664 } 2665 } 2666 mExpectingBetter.clear(); 2667 2668 // Resolve protected action filters. Only the setup wizard is allowed to 2669 // have a high priority filter for these actions. 2670 mSetupWizardPackage = getSetupWizardPackageName(); 2671 if (mProtectedFilters.size() > 0) { 2672 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2673 Slog.i(TAG, "No setup wizard;" 2674 + " All protected intents capped to priority 0"); 2675 } 2676 for (ActivityIntentInfo filter : mProtectedFilters) { 2677 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2678 if (DEBUG_FILTERS) { 2679 Slog.i(TAG, "Found setup wizard;" 2680 + " allow priority " + filter.getPriority() + ";" 2681 + " package: " + filter.activity.info.packageName 2682 + " activity: " + filter.activity.className 2683 + " priority: " + filter.getPriority()); 2684 } 2685 // skip setup wizard; allow it to keep the high priority filter 2686 continue; 2687 } 2688 Slog.w(TAG, "Protected action; cap priority to 0;" 2689 + " package: " + filter.activity.info.packageName 2690 + " activity: " + filter.activity.className 2691 + " origPrio: " + filter.getPriority()); 2692 filter.setPriority(0); 2693 } 2694 } 2695 mDeferProtectedFilters = false; 2696 mProtectedFilters.clear(); 2697 2698 // Now that we know all of the shared libraries, update all clients to have 2699 // the correct library paths. 2700 updateAllSharedLibrariesLPw(); 2701 2702 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2703 // NOTE: We ignore potential failures here during a system scan (like 2704 // the rest of the commands above) because there's precious little we 2705 // can do about it. A settings error is reported, though. 2706 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2707 false /* boot complete */); 2708 } 2709 2710 // Now that we know all the packages we are keeping, 2711 // read and update their last usage times. 2712 mPackageUsage.readLP(); 2713 2714 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2715 SystemClock.uptimeMillis()); 2716 Slog.i(TAG, "Time to scan packages: " 2717 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2718 + " seconds"); 2719 2720 // If the platform SDK has changed since the last time we booted, 2721 // we need to re-grant app permission to catch any new ones that 2722 // appear. This is really a hack, and means that apps can in some 2723 // cases get permissions that the user didn't initially explicitly 2724 // allow... it would be nice to have some better way to handle 2725 // this situation. 2726 int updateFlags = UPDATE_PERMISSIONS_ALL; 2727 if (ver.sdkVersion != mSdkVersion) { 2728 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2729 + mSdkVersion + "; regranting permissions for internal storage"); 2730 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2731 } 2732 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2733 ver.sdkVersion = mSdkVersion; 2734 2735 // If this is the first boot or an update from pre-M, and it is a normal 2736 // boot, then we need to initialize the default preferred apps across 2737 // all defined users. 2738 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2739 for (UserInfo user : sUserManager.getUsers(true)) { 2740 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2741 applyFactoryDefaultBrowserLPw(user.id); 2742 primeDomainVerificationsLPw(user.id); 2743 } 2744 } 2745 2746 // Prepare storage for system user really early during boot, 2747 // since core system apps like SettingsProvider and SystemUI 2748 // can't wait for user to start 2749 final int storageFlags; 2750 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2751 storageFlags = StorageManager.FLAG_STORAGE_DE; 2752 } else { 2753 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2754 } 2755 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2756 storageFlags); 2757 2758 // If this is first boot after an OTA, and a normal boot, then 2759 // we need to clear code cache directories. 2760 // Note that we do *not* clear the application profiles. These remain valid 2761 // across OTAs and are used to drive profile verification (post OTA) and 2762 // profile compilation (without waiting to collect a fresh set of profiles). 2763 if (mIsUpgrade && !onlyCore) { 2764 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2765 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2766 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2767 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2768 // No apps are running this early, so no need to freeze 2769 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2770 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2771 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2772 } 2773 } 2774 ver.fingerprint = Build.FINGERPRINT; 2775 } 2776 2777 checkDefaultBrowser(); 2778 2779 // clear only after permissions and other defaults have been updated 2780 mExistingSystemPackages.clear(); 2781 mPromoteSystemApps = false; 2782 2783 // All the changes are done during package scanning. 2784 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2785 2786 // can downgrade to reader 2787 mSettings.writeLPr(); 2788 2789 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2790 // early on (before the package manager declares itself as early) because other 2791 // components in the system server might ask for package contexts for these apps. 2792 // 2793 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2794 // (i.e, that the data partition is unavailable). 2795 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2796 long start = System.nanoTime(); 2797 List<PackageParser.Package> coreApps = new ArrayList<>(); 2798 for (PackageParser.Package pkg : mPackages.values()) { 2799 if (pkg.coreApp) { 2800 coreApps.add(pkg); 2801 } 2802 } 2803 2804 int[] stats = performDexOpt(coreApps, false, 2805 getCompilerFilterForReason(REASON_CORE_APP)); 2806 2807 final int elapsedTimeSeconds = 2808 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2809 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2810 2811 if (DEBUG_DEXOPT) { 2812 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2813 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2814 } 2815 2816 2817 // TODO: Should we log these stats to tron too ? 2818 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2819 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2820 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2821 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2822 } 2823 2824 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2825 SystemClock.uptimeMillis()); 2826 2827 if (!mOnlyCore) { 2828 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2829 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2830 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2831 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2832 mIntentFilterVerifierComponent); 2833 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2834 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2835 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2836 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2837 } else { 2838 mRequiredVerifierPackage = null; 2839 mRequiredInstallerPackage = null; 2840 mIntentFilterVerifierComponent = null; 2841 mIntentFilterVerifier = null; 2842 mServicesSystemSharedLibraryPackageName = null; 2843 mSharedSystemSharedLibraryPackageName = null; 2844 } 2845 2846 mInstallerService = new PackageInstallerService(context, this); 2847 2848 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2849 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2850 // both the installer and resolver must be present to enable ephemeral 2851 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2852 if (DEBUG_EPHEMERAL) { 2853 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2854 + " installer:" + ephemeralInstallerComponent); 2855 } 2856 mEphemeralResolverComponent = ephemeralResolverComponent; 2857 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2858 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2859 mEphemeralResolverConnection = 2860 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2861 } else { 2862 if (DEBUG_EPHEMERAL) { 2863 final String missingComponent = 2864 (ephemeralResolverComponent == null) 2865 ? (ephemeralInstallerComponent == null) 2866 ? "resolver and installer" 2867 : "resolver" 2868 : "installer"; 2869 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2870 } 2871 mEphemeralResolverComponent = null; 2872 mEphemeralInstallerComponent = null; 2873 mEphemeralResolverConnection = null; 2874 } 2875 2876 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2877 } // synchronized (mPackages) 2878 } // synchronized (mInstallLock) 2879 2880 // Now after opening every single application zip, make sure they 2881 // are all flushed. Not really needed, but keeps things nice and 2882 // tidy. 2883 Runtime.getRuntime().gc(); 2884 2885 // The initial scanning above does many calls into installd while 2886 // holding the mPackages lock, but we're mostly interested in yelling 2887 // once we have a booted system. 2888 mInstaller.setWarnIfHeld(mPackages); 2889 2890 // Expose private service for system components to use. 2891 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2892 } 2893 2894 @Override 2895 public boolean isFirstBoot() { 2896 return mFirstBoot; 2897 } 2898 2899 @Override 2900 public boolean isOnlyCoreApps() { 2901 return mOnlyCore; 2902 } 2903 2904 @Override 2905 public boolean isUpgrade() { 2906 return mIsUpgrade; 2907 } 2908 2909 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2910 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2911 2912 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2913 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2914 UserHandle.USER_SYSTEM); 2915 if (matches.size() == 1) { 2916 return matches.get(0).getComponentInfo().packageName; 2917 } else { 2918 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2919 return null; 2920 } 2921 } 2922 2923 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2924 synchronized (mPackages) { 2925 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2926 if (libraryEntry == null) { 2927 throw new IllegalStateException("Missing required shared library:" + libraryName); 2928 } 2929 return libraryEntry.apk; 2930 } 2931 } 2932 2933 private @NonNull String getRequiredInstallerLPr() { 2934 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2935 intent.addCategory(Intent.CATEGORY_DEFAULT); 2936 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2937 2938 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2939 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2940 UserHandle.USER_SYSTEM); 2941 if (matches.size() == 1) { 2942 ResolveInfo resolveInfo = matches.get(0); 2943 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2944 throw new RuntimeException("The installer must be a privileged app"); 2945 } 2946 return matches.get(0).getComponentInfo().packageName; 2947 } else { 2948 throw new RuntimeException("There must be exactly one installer; found " + matches); 2949 } 2950 } 2951 2952 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2953 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2954 2955 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2956 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2957 UserHandle.USER_SYSTEM); 2958 ResolveInfo best = null; 2959 final int N = matches.size(); 2960 for (int i = 0; i < N; i++) { 2961 final ResolveInfo cur = matches.get(i); 2962 final String packageName = cur.getComponentInfo().packageName; 2963 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2964 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2965 continue; 2966 } 2967 2968 if (best == null || cur.priority > best.priority) { 2969 best = cur; 2970 } 2971 } 2972 2973 if (best != null) { 2974 return best.getComponentInfo().getComponentName(); 2975 } else { 2976 throw new RuntimeException("There must be at least one intent filter verifier"); 2977 } 2978 } 2979 2980 private @Nullable ComponentName getEphemeralResolverLPr() { 2981 final String[] packageArray = 2982 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2983 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2984 if (DEBUG_EPHEMERAL) { 2985 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2986 } 2987 return null; 2988 } 2989 2990 final int resolveFlags = 2991 MATCH_DIRECT_BOOT_AWARE 2992 | MATCH_DIRECT_BOOT_UNAWARE 2993 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2994 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2995 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2996 resolveFlags, UserHandle.USER_SYSTEM); 2997 2998 final int N = resolvers.size(); 2999 if (N == 0) { 3000 if (DEBUG_EPHEMERAL) { 3001 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3002 } 3003 return null; 3004 } 3005 3006 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3007 for (int i = 0; i < N; i++) { 3008 final ResolveInfo info = resolvers.get(i); 3009 3010 if (info.serviceInfo == null) { 3011 continue; 3012 } 3013 3014 final String packageName = info.serviceInfo.packageName; 3015 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3016 if (DEBUG_EPHEMERAL) { 3017 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3018 + " pkg: " + packageName + ", info:" + info); 3019 } 3020 continue; 3021 } 3022 3023 if (DEBUG_EPHEMERAL) { 3024 Slog.v(TAG, "Ephemeral resolver found;" 3025 + " pkg: " + packageName + ", info:" + info); 3026 } 3027 return new ComponentName(packageName, info.serviceInfo.name); 3028 } 3029 if (DEBUG_EPHEMERAL) { 3030 Slog.v(TAG, "Ephemeral resolver NOT found"); 3031 } 3032 return null; 3033 } 3034 3035 private @Nullable ComponentName getEphemeralInstallerLPr() { 3036 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3037 intent.addCategory(Intent.CATEGORY_DEFAULT); 3038 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3039 3040 final int resolveFlags = 3041 MATCH_DIRECT_BOOT_AWARE 3042 | MATCH_DIRECT_BOOT_UNAWARE 3043 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3044 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3045 resolveFlags, UserHandle.USER_SYSTEM); 3046 if (matches.size() == 0) { 3047 return null; 3048 } else if (matches.size() == 1) { 3049 return matches.get(0).getComponentInfo().getComponentName(); 3050 } else { 3051 throw new RuntimeException( 3052 "There must be at most one ephemeral installer; found " + matches); 3053 } 3054 } 3055 3056 private void primeDomainVerificationsLPw(int userId) { 3057 if (DEBUG_DOMAIN_VERIFICATION) { 3058 Slog.d(TAG, "Priming domain verifications in user " + userId); 3059 } 3060 3061 SystemConfig systemConfig = SystemConfig.getInstance(); 3062 ArraySet<String> packages = systemConfig.getLinkedApps(); 3063 ArraySet<String> domains = new ArraySet<String>(); 3064 3065 for (String packageName : packages) { 3066 PackageParser.Package pkg = mPackages.get(packageName); 3067 if (pkg != null) { 3068 if (!pkg.isSystemApp()) { 3069 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3070 continue; 3071 } 3072 3073 domains.clear(); 3074 for (PackageParser.Activity a : pkg.activities) { 3075 for (ActivityIntentInfo filter : a.intents) { 3076 if (hasValidDomains(filter)) { 3077 domains.addAll(filter.getHostsList()); 3078 } 3079 } 3080 } 3081 3082 if (domains.size() > 0) { 3083 if (DEBUG_DOMAIN_VERIFICATION) { 3084 Slog.v(TAG, " + " + packageName); 3085 } 3086 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3087 // state w.r.t. the formal app-linkage "no verification attempted" state; 3088 // and then 'always' in the per-user state actually used for intent resolution. 3089 final IntentFilterVerificationInfo ivi; 3090 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3091 new ArrayList<String>(domains)); 3092 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3093 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3094 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3095 } else { 3096 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3097 + "' does not handle web links"); 3098 } 3099 } else { 3100 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3101 } 3102 } 3103 3104 scheduleWritePackageRestrictionsLocked(userId); 3105 scheduleWriteSettingsLocked(); 3106 } 3107 3108 private void applyFactoryDefaultBrowserLPw(int userId) { 3109 // The default browser app's package name is stored in a string resource, 3110 // with a product-specific overlay used for vendor customization. 3111 String browserPkg = mContext.getResources().getString( 3112 com.android.internal.R.string.default_browser); 3113 if (!TextUtils.isEmpty(browserPkg)) { 3114 // non-empty string => required to be a known package 3115 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3116 if (ps == null) { 3117 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3118 browserPkg = null; 3119 } else { 3120 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3121 } 3122 } 3123 3124 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3125 // default. If there's more than one, just leave everything alone. 3126 if (browserPkg == null) { 3127 calculateDefaultBrowserLPw(userId); 3128 } 3129 } 3130 3131 private void calculateDefaultBrowserLPw(int userId) { 3132 List<String> allBrowsers = resolveAllBrowserApps(userId); 3133 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3134 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3135 } 3136 3137 private List<String> resolveAllBrowserApps(int userId) { 3138 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3139 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3140 PackageManager.MATCH_ALL, userId); 3141 3142 final int count = list.size(); 3143 List<String> result = new ArrayList<String>(count); 3144 for (int i=0; i<count; i++) { 3145 ResolveInfo info = list.get(i); 3146 if (info.activityInfo == null 3147 || !info.handleAllWebDataURI 3148 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3149 || result.contains(info.activityInfo.packageName)) { 3150 continue; 3151 } 3152 result.add(info.activityInfo.packageName); 3153 } 3154 3155 return result; 3156 } 3157 3158 private boolean packageIsBrowser(String packageName, int userId) { 3159 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3160 PackageManager.MATCH_ALL, userId); 3161 final int N = list.size(); 3162 for (int i = 0; i < N; i++) { 3163 ResolveInfo info = list.get(i); 3164 if (packageName.equals(info.activityInfo.packageName)) { 3165 return true; 3166 } 3167 } 3168 return false; 3169 } 3170 3171 private void checkDefaultBrowser() { 3172 final int myUserId = UserHandle.myUserId(); 3173 final String packageName = getDefaultBrowserPackageName(myUserId); 3174 if (packageName != null) { 3175 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3176 if (info == null) { 3177 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3178 synchronized (mPackages) { 3179 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3180 } 3181 } 3182 } 3183 } 3184 3185 @Override 3186 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3187 throws RemoteException { 3188 try { 3189 return super.onTransact(code, data, reply, flags); 3190 } catch (RuntimeException e) { 3191 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3192 Slog.wtf(TAG, "Package Manager Crash", e); 3193 } 3194 throw e; 3195 } 3196 } 3197 3198 static int[] appendInts(int[] cur, int[] add) { 3199 if (add == null) return cur; 3200 if (cur == null) return add; 3201 final int N = add.length; 3202 for (int i=0; i<N; i++) { 3203 cur = appendInt(cur, add[i]); 3204 } 3205 return cur; 3206 } 3207 3208 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3209 if (!sUserManager.exists(userId)) return null; 3210 if (ps == null) { 3211 return null; 3212 } 3213 final PackageParser.Package p = ps.pkg; 3214 if (p == null) { 3215 return null; 3216 } 3217 3218 final PermissionsState permissionsState = ps.getPermissionsState(); 3219 3220 // Compute GIDs only if requested 3221 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3222 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3223 // Compute granted permissions only if package has requested permissions 3224 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3225 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3226 final PackageUserState state = ps.readUserState(userId); 3227 3228 return PackageParser.generatePackageInfo(p, gids, flags, 3229 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3230 } 3231 3232 @Override 3233 public void checkPackageStartable(String packageName, int userId) { 3234 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3235 3236 synchronized (mPackages) { 3237 final PackageSetting ps = mSettings.mPackages.get(packageName); 3238 if (ps == null) { 3239 throw new SecurityException("Package " + packageName + " was not found!"); 3240 } 3241 3242 if (!ps.getInstalled(userId)) { 3243 throw new SecurityException( 3244 "Package " + packageName + " was not installed for user " + userId + "!"); 3245 } 3246 3247 if (mSafeMode && !ps.isSystem()) { 3248 throw new SecurityException("Package " + packageName + " not a system app!"); 3249 } 3250 3251 if (mFrozenPackages.contains(packageName)) { 3252 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3253 } 3254 3255 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3256 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3257 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3258 } 3259 } 3260 } 3261 3262 @Override 3263 public boolean isPackageAvailable(String packageName, int userId) { 3264 if (!sUserManager.exists(userId)) return false; 3265 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3266 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3267 synchronized (mPackages) { 3268 PackageParser.Package p = mPackages.get(packageName); 3269 if (p != null) { 3270 final PackageSetting ps = (PackageSetting) p.mExtras; 3271 if (ps != null) { 3272 final PackageUserState state = ps.readUserState(userId); 3273 if (state != null) { 3274 return PackageParser.isAvailable(state); 3275 } 3276 } 3277 } 3278 } 3279 return false; 3280 } 3281 3282 @Override 3283 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3284 if (!sUserManager.exists(userId)) return null; 3285 flags = updateFlagsForPackage(flags, userId, packageName); 3286 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3287 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3288 // reader 3289 synchronized (mPackages) { 3290 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3291 PackageParser.Package p = null; 3292 if (matchFactoryOnly) { 3293 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3294 if (ps != null) { 3295 return generatePackageInfo(ps, flags, userId); 3296 } 3297 } 3298 if (p == null) { 3299 p = mPackages.get(packageName); 3300 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3301 return null; 3302 } 3303 } 3304 if (DEBUG_PACKAGE_INFO) 3305 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3306 if (p != null) { 3307 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3308 } 3309 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3310 final PackageSetting ps = mSettings.mPackages.get(packageName); 3311 return generatePackageInfo(ps, flags, userId); 3312 } 3313 } 3314 return null; 3315 } 3316 3317 @Override 3318 public String[] currentToCanonicalPackageNames(String[] names) { 3319 String[] out = new String[names.length]; 3320 // reader 3321 synchronized (mPackages) { 3322 for (int i=names.length-1; i>=0; i--) { 3323 PackageSetting ps = mSettings.mPackages.get(names[i]); 3324 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3325 } 3326 } 3327 return out; 3328 } 3329 3330 @Override 3331 public String[] canonicalToCurrentPackageNames(String[] names) { 3332 String[] out = new String[names.length]; 3333 // reader 3334 synchronized (mPackages) { 3335 for (int i=names.length-1; i>=0; i--) { 3336 String cur = mSettings.mRenamedPackages.get(names[i]); 3337 out[i] = cur != null ? cur : names[i]; 3338 } 3339 } 3340 return out; 3341 } 3342 3343 @Override 3344 public int getPackageUid(String packageName, int flags, int userId) { 3345 if (!sUserManager.exists(userId)) return -1; 3346 flags = updateFlagsForPackage(flags, userId, packageName); 3347 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3348 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3349 3350 // reader 3351 synchronized (mPackages) { 3352 final PackageParser.Package p = mPackages.get(packageName); 3353 if (p != null && p.isMatch(flags)) { 3354 return UserHandle.getUid(userId, p.applicationInfo.uid); 3355 } 3356 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3357 final PackageSetting ps = mSettings.mPackages.get(packageName); 3358 if (ps != null && ps.isMatch(flags)) { 3359 return UserHandle.getUid(userId, ps.appId); 3360 } 3361 } 3362 } 3363 3364 return -1; 3365 } 3366 3367 @Override 3368 public int[] getPackageGids(String packageName, int flags, int userId) { 3369 if (!sUserManager.exists(userId)) return null; 3370 flags = updateFlagsForPackage(flags, userId, packageName); 3371 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3372 false /* requireFullPermission */, false /* checkShell */, 3373 "getPackageGids"); 3374 3375 // reader 3376 synchronized (mPackages) { 3377 final PackageParser.Package p = mPackages.get(packageName); 3378 if (p != null && p.isMatch(flags)) { 3379 PackageSetting ps = (PackageSetting) p.mExtras; 3380 return ps.getPermissionsState().computeGids(userId); 3381 } 3382 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3383 final PackageSetting ps = mSettings.mPackages.get(packageName); 3384 if (ps != null && ps.isMatch(flags)) { 3385 return ps.getPermissionsState().computeGids(userId); 3386 } 3387 } 3388 } 3389 3390 return null; 3391 } 3392 3393 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3394 if (bp.perm != null) { 3395 return PackageParser.generatePermissionInfo(bp.perm, flags); 3396 } 3397 PermissionInfo pi = new PermissionInfo(); 3398 pi.name = bp.name; 3399 pi.packageName = bp.sourcePackage; 3400 pi.nonLocalizedLabel = bp.name; 3401 pi.protectionLevel = bp.protectionLevel; 3402 return pi; 3403 } 3404 3405 @Override 3406 public PermissionInfo getPermissionInfo(String name, int flags) { 3407 // reader 3408 synchronized (mPackages) { 3409 final BasePermission p = mSettings.mPermissions.get(name); 3410 if (p != null) { 3411 return generatePermissionInfo(p, flags); 3412 } 3413 return null; 3414 } 3415 } 3416 3417 @Override 3418 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3419 int flags) { 3420 // reader 3421 synchronized (mPackages) { 3422 if (group != null && !mPermissionGroups.containsKey(group)) { 3423 // This is thrown as NameNotFoundException 3424 return null; 3425 } 3426 3427 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3428 for (BasePermission p : mSettings.mPermissions.values()) { 3429 if (group == null) { 3430 if (p.perm == null || p.perm.info.group == null) { 3431 out.add(generatePermissionInfo(p, flags)); 3432 } 3433 } else { 3434 if (p.perm != null && group.equals(p.perm.info.group)) { 3435 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3436 } 3437 } 3438 } 3439 return new ParceledListSlice<>(out); 3440 } 3441 } 3442 3443 @Override 3444 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3445 // reader 3446 synchronized (mPackages) { 3447 return PackageParser.generatePermissionGroupInfo( 3448 mPermissionGroups.get(name), flags); 3449 } 3450 } 3451 3452 @Override 3453 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3454 // reader 3455 synchronized (mPackages) { 3456 final int N = mPermissionGroups.size(); 3457 ArrayList<PermissionGroupInfo> out 3458 = new ArrayList<PermissionGroupInfo>(N); 3459 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3460 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3461 } 3462 return new ParceledListSlice<>(out); 3463 } 3464 } 3465 3466 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3467 int userId) { 3468 if (!sUserManager.exists(userId)) return null; 3469 PackageSetting ps = mSettings.mPackages.get(packageName); 3470 if (ps != null) { 3471 if (ps.pkg == null) { 3472 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3473 if (pInfo != null) { 3474 return pInfo.applicationInfo; 3475 } 3476 return null; 3477 } 3478 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3479 ps.readUserState(userId), userId); 3480 } 3481 return null; 3482 } 3483 3484 @Override 3485 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3486 if (!sUserManager.exists(userId)) return null; 3487 flags = updateFlagsForApplication(flags, userId, packageName); 3488 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3489 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3490 // writer 3491 synchronized (mPackages) { 3492 PackageParser.Package p = mPackages.get(packageName); 3493 if (DEBUG_PACKAGE_INFO) Log.v( 3494 TAG, "getApplicationInfo " + packageName 3495 + ": " + p); 3496 if (p != null) { 3497 PackageSetting ps = mSettings.mPackages.get(packageName); 3498 if (ps == null) return null; 3499 // Note: isEnabledLP() does not apply here - always return info 3500 return PackageParser.generateApplicationInfo( 3501 p, flags, ps.readUserState(userId), userId); 3502 } 3503 if ("android".equals(packageName)||"system".equals(packageName)) { 3504 return mAndroidApplication; 3505 } 3506 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3507 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3508 } 3509 } 3510 return null; 3511 } 3512 3513 @Override 3514 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3515 final IPackageDataObserver observer) { 3516 mContext.enforceCallingOrSelfPermission( 3517 android.Manifest.permission.CLEAR_APP_CACHE, null); 3518 // Queue up an async operation since clearing cache may take a little while. 3519 mHandler.post(new Runnable() { 3520 public void run() { 3521 mHandler.removeCallbacks(this); 3522 boolean success = true; 3523 synchronized (mInstallLock) { 3524 try { 3525 mInstaller.freeCache(volumeUuid, freeStorageSize); 3526 } catch (InstallerException e) { 3527 Slog.w(TAG, "Couldn't clear application caches: " + e); 3528 success = false; 3529 } 3530 } 3531 if (observer != null) { 3532 try { 3533 observer.onRemoveCompleted(null, success); 3534 } catch (RemoteException e) { 3535 Slog.w(TAG, "RemoveException when invoking call back"); 3536 } 3537 } 3538 } 3539 }); 3540 } 3541 3542 @Override 3543 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3544 final IntentSender pi) { 3545 mContext.enforceCallingOrSelfPermission( 3546 android.Manifest.permission.CLEAR_APP_CACHE, null); 3547 // Queue up an async operation since clearing cache may take a little while. 3548 mHandler.post(new Runnable() { 3549 public void run() { 3550 mHandler.removeCallbacks(this); 3551 boolean success = true; 3552 synchronized (mInstallLock) { 3553 try { 3554 mInstaller.freeCache(volumeUuid, freeStorageSize); 3555 } catch (InstallerException e) { 3556 Slog.w(TAG, "Couldn't clear application caches: " + e); 3557 success = false; 3558 } 3559 } 3560 if(pi != null) { 3561 try { 3562 // Callback via pending intent 3563 int code = success ? 1 : 0; 3564 pi.sendIntent(null, code, null, 3565 null, null); 3566 } catch (SendIntentException e1) { 3567 Slog.i(TAG, "Failed to send pending intent"); 3568 } 3569 } 3570 } 3571 }); 3572 } 3573 3574 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3575 synchronized (mInstallLock) { 3576 try { 3577 mInstaller.freeCache(volumeUuid, freeStorageSize); 3578 } catch (InstallerException e) { 3579 throw new IOException("Failed to free enough space", e); 3580 } 3581 } 3582 } 3583 3584 /** 3585 * Update given flags based on encryption status of current user. 3586 */ 3587 private int updateFlags(int flags, int userId) { 3588 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3589 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3590 // Caller expressed an explicit opinion about what encryption 3591 // aware/unaware components they want to see, so fall through and 3592 // give them what they want 3593 } else { 3594 // Caller expressed no opinion, so match based on user state 3595 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3596 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3597 } else { 3598 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3599 } 3600 } 3601 return flags; 3602 } 3603 3604 private UserManagerInternal getUserManagerInternal() { 3605 if (mUserManagerInternal == null) { 3606 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3607 } 3608 return mUserManagerInternal; 3609 } 3610 3611 /** 3612 * Update given flags when being used to request {@link PackageInfo}. 3613 */ 3614 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3615 boolean triaged = true; 3616 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3617 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3618 // Caller is asking for component details, so they'd better be 3619 // asking for specific encryption matching behavior, or be triaged 3620 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3621 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3622 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3623 triaged = false; 3624 } 3625 } 3626 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3627 | PackageManager.MATCH_SYSTEM_ONLY 3628 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3629 triaged = false; 3630 } 3631 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3632 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3633 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3634 } 3635 return updateFlags(flags, userId); 3636 } 3637 3638 /** 3639 * Update given flags when being used to request {@link ApplicationInfo}. 3640 */ 3641 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3642 return updateFlagsForPackage(flags, userId, cookie); 3643 } 3644 3645 /** 3646 * Update given flags when being used to request {@link ComponentInfo}. 3647 */ 3648 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3649 if (cookie instanceof Intent) { 3650 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3651 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3652 } 3653 } 3654 3655 boolean triaged = true; 3656 // Caller is asking for component details, so they'd better be 3657 // asking for specific encryption matching behavior, or be triaged 3658 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3659 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3660 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3661 triaged = false; 3662 } 3663 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3664 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3665 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3666 } 3667 3668 return updateFlags(flags, userId); 3669 } 3670 3671 /** 3672 * Update given flags when being used to request {@link ResolveInfo}. 3673 */ 3674 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3675 // Safe mode means we shouldn't match any third-party components 3676 if (mSafeMode) { 3677 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3678 } 3679 3680 return updateFlagsForComponent(flags, userId, cookie); 3681 } 3682 3683 @Override 3684 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3685 if (!sUserManager.exists(userId)) return null; 3686 flags = updateFlagsForComponent(flags, userId, component); 3687 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3688 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3689 synchronized (mPackages) { 3690 PackageParser.Activity a = mActivities.mActivities.get(component); 3691 3692 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3693 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3694 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3695 if (ps == null) return null; 3696 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3697 userId); 3698 } 3699 if (mResolveComponentName.equals(component)) { 3700 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3701 new PackageUserState(), userId); 3702 } 3703 } 3704 return null; 3705 } 3706 3707 @Override 3708 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3709 String resolvedType) { 3710 synchronized (mPackages) { 3711 if (component.equals(mResolveComponentName)) { 3712 // The resolver supports EVERYTHING! 3713 return true; 3714 } 3715 PackageParser.Activity a = mActivities.mActivities.get(component); 3716 if (a == null) { 3717 return false; 3718 } 3719 for (int i=0; i<a.intents.size(); i++) { 3720 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3721 intent.getData(), intent.getCategories(), TAG) >= 0) { 3722 return true; 3723 } 3724 } 3725 return false; 3726 } 3727 } 3728 3729 @Override 3730 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3731 if (!sUserManager.exists(userId)) return null; 3732 flags = updateFlagsForComponent(flags, userId, component); 3733 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3734 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3735 synchronized (mPackages) { 3736 PackageParser.Activity a = mReceivers.mActivities.get(component); 3737 if (DEBUG_PACKAGE_INFO) Log.v( 3738 TAG, "getReceiverInfo " + component + ": " + a); 3739 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3740 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3741 if (ps == null) return null; 3742 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3743 userId); 3744 } 3745 } 3746 return null; 3747 } 3748 3749 @Override 3750 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3751 if (!sUserManager.exists(userId)) return null; 3752 flags = updateFlagsForComponent(flags, userId, component); 3753 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3754 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3755 synchronized (mPackages) { 3756 PackageParser.Service s = mServices.mServices.get(component); 3757 if (DEBUG_PACKAGE_INFO) Log.v( 3758 TAG, "getServiceInfo " + component + ": " + s); 3759 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3760 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3761 if (ps == null) return null; 3762 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3763 userId); 3764 } 3765 } 3766 return null; 3767 } 3768 3769 @Override 3770 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3771 if (!sUserManager.exists(userId)) return null; 3772 flags = updateFlagsForComponent(flags, userId, component); 3773 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3774 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3775 synchronized (mPackages) { 3776 PackageParser.Provider p = mProviders.mProviders.get(component); 3777 if (DEBUG_PACKAGE_INFO) Log.v( 3778 TAG, "getProviderInfo " + component + ": " + p); 3779 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3780 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3781 if (ps == null) return null; 3782 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3783 userId); 3784 } 3785 } 3786 return null; 3787 } 3788 3789 @Override 3790 public String[] getSystemSharedLibraryNames() { 3791 Set<String> libSet; 3792 synchronized (mPackages) { 3793 libSet = mSharedLibraries.keySet(); 3794 int size = libSet.size(); 3795 if (size > 0) { 3796 String[] libs = new String[size]; 3797 libSet.toArray(libs); 3798 return libs; 3799 } 3800 } 3801 return null; 3802 } 3803 3804 @Override 3805 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3806 synchronized (mPackages) { 3807 return mServicesSystemSharedLibraryPackageName; 3808 } 3809 } 3810 3811 @Override 3812 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3813 synchronized (mPackages) { 3814 return mSharedSystemSharedLibraryPackageName; 3815 } 3816 } 3817 3818 @Override 3819 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3820 synchronized (mPackages) { 3821 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3822 3823 final FeatureInfo fi = new FeatureInfo(); 3824 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3825 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3826 res.add(fi); 3827 3828 return new ParceledListSlice<>(res); 3829 } 3830 } 3831 3832 @Override 3833 public boolean hasSystemFeature(String name, int version) { 3834 synchronized (mPackages) { 3835 final FeatureInfo feat = mAvailableFeatures.get(name); 3836 if (feat == null) { 3837 return false; 3838 } else { 3839 return feat.version >= version; 3840 } 3841 } 3842 } 3843 3844 @Override 3845 public int checkPermission(String permName, String pkgName, int userId) { 3846 if (!sUserManager.exists(userId)) { 3847 return PackageManager.PERMISSION_DENIED; 3848 } 3849 3850 synchronized (mPackages) { 3851 final PackageParser.Package p = mPackages.get(pkgName); 3852 if (p != null && p.mExtras != null) { 3853 final PackageSetting ps = (PackageSetting) p.mExtras; 3854 final PermissionsState permissionsState = ps.getPermissionsState(); 3855 if (permissionsState.hasPermission(permName, userId)) { 3856 return PackageManager.PERMISSION_GRANTED; 3857 } 3858 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3859 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3860 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3861 return PackageManager.PERMISSION_GRANTED; 3862 } 3863 } 3864 } 3865 3866 return PackageManager.PERMISSION_DENIED; 3867 } 3868 3869 @Override 3870 public int checkUidPermission(String permName, int uid) { 3871 final int userId = UserHandle.getUserId(uid); 3872 3873 if (!sUserManager.exists(userId)) { 3874 return PackageManager.PERMISSION_DENIED; 3875 } 3876 3877 synchronized (mPackages) { 3878 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3879 if (obj != null) { 3880 final SettingBase ps = (SettingBase) obj; 3881 final PermissionsState permissionsState = ps.getPermissionsState(); 3882 if (permissionsState.hasPermission(permName, userId)) { 3883 return PackageManager.PERMISSION_GRANTED; 3884 } 3885 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3886 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3887 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3888 return PackageManager.PERMISSION_GRANTED; 3889 } 3890 } else { 3891 ArraySet<String> perms = mSystemPermissions.get(uid); 3892 if (perms != null) { 3893 if (perms.contains(permName)) { 3894 return PackageManager.PERMISSION_GRANTED; 3895 } 3896 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3897 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3898 return PackageManager.PERMISSION_GRANTED; 3899 } 3900 } 3901 } 3902 } 3903 3904 return PackageManager.PERMISSION_DENIED; 3905 } 3906 3907 @Override 3908 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3909 if (UserHandle.getCallingUserId() != userId) { 3910 mContext.enforceCallingPermission( 3911 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3912 "isPermissionRevokedByPolicy for user " + userId); 3913 } 3914 3915 if (checkPermission(permission, packageName, userId) 3916 == PackageManager.PERMISSION_GRANTED) { 3917 return false; 3918 } 3919 3920 final long identity = Binder.clearCallingIdentity(); 3921 try { 3922 final int flags = getPermissionFlags(permission, packageName, userId); 3923 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3924 } finally { 3925 Binder.restoreCallingIdentity(identity); 3926 } 3927 } 3928 3929 @Override 3930 public String getPermissionControllerPackageName() { 3931 synchronized (mPackages) { 3932 return mRequiredInstallerPackage; 3933 } 3934 } 3935 3936 /** 3937 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3938 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3939 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3940 * @param message the message to log on security exception 3941 */ 3942 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3943 boolean checkShell, String message) { 3944 if (userId < 0) { 3945 throw new IllegalArgumentException("Invalid userId " + userId); 3946 } 3947 if (checkShell) { 3948 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3949 } 3950 if (userId == UserHandle.getUserId(callingUid)) return; 3951 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3952 if (requireFullPermission) { 3953 mContext.enforceCallingOrSelfPermission( 3954 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3955 } else { 3956 try { 3957 mContext.enforceCallingOrSelfPermission( 3958 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3959 } catch (SecurityException se) { 3960 mContext.enforceCallingOrSelfPermission( 3961 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3962 } 3963 } 3964 } 3965 } 3966 3967 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3968 if (callingUid == Process.SHELL_UID) { 3969 if (userHandle >= 0 3970 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3971 throw new SecurityException("Shell does not have permission to access user " 3972 + userHandle); 3973 } else if (userHandle < 0) { 3974 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3975 + Debug.getCallers(3)); 3976 } 3977 } 3978 } 3979 3980 private BasePermission findPermissionTreeLP(String permName) { 3981 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3982 if (permName.startsWith(bp.name) && 3983 permName.length() > bp.name.length() && 3984 permName.charAt(bp.name.length()) == '.') { 3985 return bp; 3986 } 3987 } 3988 return null; 3989 } 3990 3991 private BasePermission checkPermissionTreeLP(String permName) { 3992 if (permName != null) { 3993 BasePermission bp = findPermissionTreeLP(permName); 3994 if (bp != null) { 3995 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3996 return bp; 3997 } 3998 throw new SecurityException("Calling uid " 3999 + Binder.getCallingUid() 4000 + " is not allowed to add to permission tree " 4001 + bp.name + " owned by uid " + bp.uid); 4002 } 4003 } 4004 throw new SecurityException("No permission tree found for " + permName); 4005 } 4006 4007 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4008 if (s1 == null) { 4009 return s2 == null; 4010 } 4011 if (s2 == null) { 4012 return false; 4013 } 4014 if (s1.getClass() != s2.getClass()) { 4015 return false; 4016 } 4017 return s1.equals(s2); 4018 } 4019 4020 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4021 if (pi1.icon != pi2.icon) return false; 4022 if (pi1.logo != pi2.logo) return false; 4023 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4024 if (!compareStrings(pi1.name, pi2.name)) return false; 4025 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4026 // We'll take care of setting this one. 4027 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4028 // These are not currently stored in settings. 4029 //if (!compareStrings(pi1.group, pi2.group)) return false; 4030 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4031 //if (pi1.labelRes != pi2.labelRes) return false; 4032 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4033 return true; 4034 } 4035 4036 int permissionInfoFootprint(PermissionInfo info) { 4037 int size = info.name.length(); 4038 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4039 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4040 return size; 4041 } 4042 4043 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4044 int size = 0; 4045 for (BasePermission perm : mSettings.mPermissions.values()) { 4046 if (perm.uid == tree.uid) { 4047 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4048 } 4049 } 4050 return size; 4051 } 4052 4053 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4054 // We calculate the max size of permissions defined by this uid and throw 4055 // if that plus the size of 'info' would exceed our stated maximum. 4056 if (tree.uid != Process.SYSTEM_UID) { 4057 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4058 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4059 throw new SecurityException("Permission tree size cap exceeded"); 4060 } 4061 } 4062 } 4063 4064 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4065 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4066 throw new SecurityException("Label must be specified in permission"); 4067 } 4068 BasePermission tree = checkPermissionTreeLP(info.name); 4069 BasePermission bp = mSettings.mPermissions.get(info.name); 4070 boolean added = bp == null; 4071 boolean changed = true; 4072 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4073 if (added) { 4074 enforcePermissionCapLocked(info, tree); 4075 bp = new BasePermission(info.name, tree.sourcePackage, 4076 BasePermission.TYPE_DYNAMIC); 4077 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4078 throw new SecurityException( 4079 "Not allowed to modify non-dynamic permission " 4080 + info.name); 4081 } else { 4082 if (bp.protectionLevel == fixedLevel 4083 && bp.perm.owner.equals(tree.perm.owner) 4084 && bp.uid == tree.uid 4085 && comparePermissionInfos(bp.perm.info, info)) { 4086 changed = false; 4087 } 4088 } 4089 bp.protectionLevel = fixedLevel; 4090 info = new PermissionInfo(info); 4091 info.protectionLevel = fixedLevel; 4092 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4093 bp.perm.info.packageName = tree.perm.info.packageName; 4094 bp.uid = tree.uid; 4095 if (added) { 4096 mSettings.mPermissions.put(info.name, bp); 4097 } 4098 if (changed) { 4099 if (!async) { 4100 mSettings.writeLPr(); 4101 } else { 4102 scheduleWriteSettingsLocked(); 4103 } 4104 } 4105 return added; 4106 } 4107 4108 @Override 4109 public boolean addPermission(PermissionInfo info) { 4110 synchronized (mPackages) { 4111 return addPermissionLocked(info, false); 4112 } 4113 } 4114 4115 @Override 4116 public boolean addPermissionAsync(PermissionInfo info) { 4117 synchronized (mPackages) { 4118 return addPermissionLocked(info, true); 4119 } 4120 } 4121 4122 @Override 4123 public void removePermission(String name) { 4124 synchronized (mPackages) { 4125 checkPermissionTreeLP(name); 4126 BasePermission bp = mSettings.mPermissions.get(name); 4127 if (bp != null) { 4128 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4129 throw new SecurityException( 4130 "Not allowed to modify non-dynamic permission " 4131 + name); 4132 } 4133 mSettings.mPermissions.remove(name); 4134 mSettings.writeLPr(); 4135 } 4136 } 4137 } 4138 4139 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4140 BasePermission bp) { 4141 int index = pkg.requestedPermissions.indexOf(bp.name); 4142 if (index == -1) { 4143 throw new SecurityException("Package " + pkg.packageName 4144 + " has not requested permission " + bp.name); 4145 } 4146 if (!bp.isRuntime() && !bp.isDevelopment()) { 4147 throw new SecurityException("Permission " + bp.name 4148 + " is not a changeable permission type"); 4149 } 4150 } 4151 4152 @Override 4153 public void grantRuntimePermission(String packageName, String name, final int userId) { 4154 if (!sUserManager.exists(userId)) { 4155 Log.e(TAG, "No such user:" + userId); 4156 return; 4157 } 4158 4159 mContext.enforceCallingOrSelfPermission( 4160 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4161 "grantRuntimePermission"); 4162 4163 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4164 true /* requireFullPermission */, true /* checkShell */, 4165 "grantRuntimePermission"); 4166 4167 final int uid; 4168 final SettingBase sb; 4169 4170 synchronized (mPackages) { 4171 final PackageParser.Package pkg = mPackages.get(packageName); 4172 if (pkg == null) { 4173 throw new IllegalArgumentException("Unknown package: " + packageName); 4174 } 4175 4176 final BasePermission bp = mSettings.mPermissions.get(name); 4177 if (bp == null) { 4178 throw new IllegalArgumentException("Unknown permission: " + name); 4179 } 4180 4181 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4182 4183 // If a permission review is required for legacy apps we represent 4184 // their permissions as always granted runtime ones since we need 4185 // to keep the review required permission flag per user while an 4186 // install permission's state is shared across all users. 4187 if (Build.PERMISSIONS_REVIEW_REQUIRED 4188 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4189 && bp.isRuntime()) { 4190 return; 4191 } 4192 4193 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4194 sb = (SettingBase) pkg.mExtras; 4195 if (sb == null) { 4196 throw new IllegalArgumentException("Unknown package: " + packageName); 4197 } 4198 4199 final PermissionsState permissionsState = sb.getPermissionsState(); 4200 4201 final int flags = permissionsState.getPermissionFlags(name, userId); 4202 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4203 throw new SecurityException("Cannot grant system fixed permission " 4204 + name + " for package " + packageName); 4205 } 4206 4207 if (bp.isDevelopment()) { 4208 // Development permissions must be handled specially, since they are not 4209 // normal runtime permissions. For now they apply to all users. 4210 if (permissionsState.grantInstallPermission(bp) != 4211 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4212 scheduleWriteSettingsLocked(); 4213 } 4214 return; 4215 } 4216 4217 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4218 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4219 return; 4220 } 4221 4222 final int result = permissionsState.grantRuntimePermission(bp, userId); 4223 switch (result) { 4224 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4225 return; 4226 } 4227 4228 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4229 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4230 mHandler.post(new Runnable() { 4231 @Override 4232 public void run() { 4233 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4234 } 4235 }); 4236 } 4237 break; 4238 } 4239 4240 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4241 4242 // Not critical if that is lost - app has to request again. 4243 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4244 } 4245 4246 // Only need to do this if user is initialized. Otherwise it's a new user 4247 // and there are no processes running as the user yet and there's no need 4248 // to make an expensive call to remount processes for the changed permissions. 4249 if (READ_EXTERNAL_STORAGE.equals(name) 4250 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4251 final long token = Binder.clearCallingIdentity(); 4252 try { 4253 if (sUserManager.isInitialized(userId)) { 4254 MountServiceInternal mountServiceInternal = LocalServices.getService( 4255 MountServiceInternal.class); 4256 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4257 } 4258 } finally { 4259 Binder.restoreCallingIdentity(token); 4260 } 4261 } 4262 } 4263 4264 @Override 4265 public void revokeRuntimePermission(String packageName, String name, int userId) { 4266 if (!sUserManager.exists(userId)) { 4267 Log.e(TAG, "No such user:" + userId); 4268 return; 4269 } 4270 4271 mContext.enforceCallingOrSelfPermission( 4272 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4273 "revokeRuntimePermission"); 4274 4275 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4276 true /* requireFullPermission */, true /* checkShell */, 4277 "revokeRuntimePermission"); 4278 4279 final int appId; 4280 4281 synchronized (mPackages) { 4282 final PackageParser.Package pkg = mPackages.get(packageName); 4283 if (pkg == null) { 4284 throw new IllegalArgumentException("Unknown package: " + packageName); 4285 } 4286 4287 final BasePermission bp = mSettings.mPermissions.get(name); 4288 if (bp == null) { 4289 throw new IllegalArgumentException("Unknown permission: " + name); 4290 } 4291 4292 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4293 4294 // If a permission review is required for legacy apps we represent 4295 // their permissions as always granted runtime ones since we need 4296 // to keep the review required permission flag per user while an 4297 // install permission's state is shared across all users. 4298 if (Build.PERMISSIONS_REVIEW_REQUIRED 4299 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4300 && bp.isRuntime()) { 4301 return; 4302 } 4303 4304 SettingBase sb = (SettingBase) pkg.mExtras; 4305 if (sb == null) { 4306 throw new IllegalArgumentException("Unknown package: " + packageName); 4307 } 4308 4309 final PermissionsState permissionsState = sb.getPermissionsState(); 4310 4311 final int flags = permissionsState.getPermissionFlags(name, userId); 4312 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4313 throw new SecurityException("Cannot revoke system fixed permission " 4314 + name + " for package " + packageName); 4315 } 4316 4317 if (bp.isDevelopment()) { 4318 // Development permissions must be handled specially, since they are not 4319 // normal runtime permissions. For now they apply to all users. 4320 if (permissionsState.revokeInstallPermission(bp) != 4321 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4322 scheduleWriteSettingsLocked(); 4323 } 4324 return; 4325 } 4326 4327 if (permissionsState.revokeRuntimePermission(bp, userId) == 4328 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4329 return; 4330 } 4331 4332 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4333 4334 // Critical, after this call app should never have the permission. 4335 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4336 4337 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4338 } 4339 4340 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4341 } 4342 4343 @Override 4344 public void resetRuntimePermissions() { 4345 mContext.enforceCallingOrSelfPermission( 4346 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4347 "revokeRuntimePermission"); 4348 4349 int callingUid = Binder.getCallingUid(); 4350 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4351 mContext.enforceCallingOrSelfPermission( 4352 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4353 "resetRuntimePermissions"); 4354 } 4355 4356 synchronized (mPackages) { 4357 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4358 for (int userId : UserManagerService.getInstance().getUserIds()) { 4359 final int packageCount = mPackages.size(); 4360 for (int i = 0; i < packageCount; i++) { 4361 PackageParser.Package pkg = mPackages.valueAt(i); 4362 if (!(pkg.mExtras instanceof PackageSetting)) { 4363 continue; 4364 } 4365 PackageSetting ps = (PackageSetting) pkg.mExtras; 4366 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4367 } 4368 } 4369 } 4370 } 4371 4372 @Override 4373 public int getPermissionFlags(String name, String packageName, int userId) { 4374 if (!sUserManager.exists(userId)) { 4375 return 0; 4376 } 4377 4378 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4379 4380 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4381 true /* requireFullPermission */, false /* checkShell */, 4382 "getPermissionFlags"); 4383 4384 synchronized (mPackages) { 4385 final PackageParser.Package pkg = mPackages.get(packageName); 4386 if (pkg == null) { 4387 return 0; 4388 } 4389 4390 final BasePermission bp = mSettings.mPermissions.get(name); 4391 if (bp == null) { 4392 return 0; 4393 } 4394 4395 SettingBase sb = (SettingBase) pkg.mExtras; 4396 if (sb == null) { 4397 return 0; 4398 } 4399 4400 PermissionsState permissionsState = sb.getPermissionsState(); 4401 return permissionsState.getPermissionFlags(name, userId); 4402 } 4403 } 4404 4405 @Override 4406 public void updatePermissionFlags(String name, String packageName, int flagMask, 4407 int flagValues, int userId) { 4408 if (!sUserManager.exists(userId)) { 4409 return; 4410 } 4411 4412 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4413 4414 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4415 true /* requireFullPermission */, true /* checkShell */, 4416 "updatePermissionFlags"); 4417 4418 // Only the system can change these flags and nothing else. 4419 if (getCallingUid() != Process.SYSTEM_UID) { 4420 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4421 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4422 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4423 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4424 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4425 } 4426 4427 synchronized (mPackages) { 4428 final PackageParser.Package pkg = mPackages.get(packageName); 4429 if (pkg == null) { 4430 throw new IllegalArgumentException("Unknown package: " + packageName); 4431 } 4432 4433 final BasePermission bp = mSettings.mPermissions.get(name); 4434 if (bp == null) { 4435 throw new IllegalArgumentException("Unknown permission: " + name); 4436 } 4437 4438 SettingBase sb = (SettingBase) pkg.mExtras; 4439 if (sb == null) { 4440 throw new IllegalArgumentException("Unknown package: " + packageName); 4441 } 4442 4443 PermissionsState permissionsState = sb.getPermissionsState(); 4444 4445 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4446 4447 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4448 // Install and runtime permissions are stored in different places, 4449 // so figure out what permission changed and persist the change. 4450 if (permissionsState.getInstallPermissionState(name) != null) { 4451 scheduleWriteSettingsLocked(); 4452 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4453 || hadState) { 4454 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4455 } 4456 } 4457 } 4458 } 4459 4460 /** 4461 * Update the permission flags for all packages and runtime permissions of a user in order 4462 * to allow device or profile owner to remove POLICY_FIXED. 4463 */ 4464 @Override 4465 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4466 if (!sUserManager.exists(userId)) { 4467 return; 4468 } 4469 4470 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4471 4472 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4473 true /* requireFullPermission */, true /* checkShell */, 4474 "updatePermissionFlagsForAllApps"); 4475 4476 // Only the system can change system fixed flags. 4477 if (getCallingUid() != Process.SYSTEM_UID) { 4478 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4479 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4480 } 4481 4482 synchronized (mPackages) { 4483 boolean changed = false; 4484 final int packageCount = mPackages.size(); 4485 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4486 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4487 SettingBase sb = (SettingBase) pkg.mExtras; 4488 if (sb == null) { 4489 continue; 4490 } 4491 PermissionsState permissionsState = sb.getPermissionsState(); 4492 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4493 userId, flagMask, flagValues); 4494 } 4495 if (changed) { 4496 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4497 } 4498 } 4499 } 4500 4501 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4502 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4503 != PackageManager.PERMISSION_GRANTED 4504 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4505 != PackageManager.PERMISSION_GRANTED) { 4506 throw new SecurityException(message + " requires " 4507 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4508 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4509 } 4510 } 4511 4512 @Override 4513 public boolean shouldShowRequestPermissionRationale(String permissionName, 4514 String packageName, int userId) { 4515 if (UserHandle.getCallingUserId() != userId) { 4516 mContext.enforceCallingPermission( 4517 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4518 "canShowRequestPermissionRationale for user " + userId); 4519 } 4520 4521 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4522 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4523 return false; 4524 } 4525 4526 if (checkPermission(permissionName, packageName, userId) 4527 == PackageManager.PERMISSION_GRANTED) { 4528 return false; 4529 } 4530 4531 final int flags; 4532 4533 final long identity = Binder.clearCallingIdentity(); 4534 try { 4535 flags = getPermissionFlags(permissionName, 4536 packageName, userId); 4537 } finally { 4538 Binder.restoreCallingIdentity(identity); 4539 } 4540 4541 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4542 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4543 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4544 4545 if ((flags & fixedFlags) != 0) { 4546 return false; 4547 } 4548 4549 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4550 } 4551 4552 @Override 4553 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4554 mContext.enforceCallingOrSelfPermission( 4555 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4556 "addOnPermissionsChangeListener"); 4557 4558 synchronized (mPackages) { 4559 mOnPermissionChangeListeners.addListenerLocked(listener); 4560 } 4561 } 4562 4563 @Override 4564 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4565 synchronized (mPackages) { 4566 mOnPermissionChangeListeners.removeListenerLocked(listener); 4567 } 4568 } 4569 4570 @Override 4571 public boolean isProtectedBroadcast(String actionName) { 4572 synchronized (mPackages) { 4573 if (mProtectedBroadcasts.contains(actionName)) { 4574 return true; 4575 } else if (actionName != null) { 4576 // TODO: remove these terrible hacks 4577 if (actionName.startsWith("android.net.netmon.lingerExpired") 4578 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4579 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4580 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4581 return true; 4582 } 4583 } 4584 } 4585 return false; 4586 } 4587 4588 @Override 4589 public int checkSignatures(String pkg1, String pkg2) { 4590 synchronized (mPackages) { 4591 final PackageParser.Package p1 = mPackages.get(pkg1); 4592 final PackageParser.Package p2 = mPackages.get(pkg2); 4593 if (p1 == null || p1.mExtras == null 4594 || p2 == null || p2.mExtras == null) { 4595 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4596 } 4597 return compareSignatures(p1.mSignatures, p2.mSignatures); 4598 } 4599 } 4600 4601 @Override 4602 public int checkUidSignatures(int uid1, int uid2) { 4603 // Map to base uids. 4604 uid1 = UserHandle.getAppId(uid1); 4605 uid2 = UserHandle.getAppId(uid2); 4606 // reader 4607 synchronized (mPackages) { 4608 Signature[] s1; 4609 Signature[] s2; 4610 Object obj = mSettings.getUserIdLPr(uid1); 4611 if (obj != null) { 4612 if (obj instanceof SharedUserSetting) { 4613 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4614 } else if (obj instanceof PackageSetting) { 4615 s1 = ((PackageSetting)obj).signatures.mSignatures; 4616 } else { 4617 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4618 } 4619 } else { 4620 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4621 } 4622 obj = mSettings.getUserIdLPr(uid2); 4623 if (obj != null) { 4624 if (obj instanceof SharedUserSetting) { 4625 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4626 } else if (obj instanceof PackageSetting) { 4627 s2 = ((PackageSetting)obj).signatures.mSignatures; 4628 } else { 4629 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4630 } 4631 } else { 4632 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4633 } 4634 return compareSignatures(s1, s2); 4635 } 4636 } 4637 4638 /** 4639 * This method should typically only be used when granting or revoking 4640 * permissions, since the app may immediately restart after this call. 4641 * <p> 4642 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4643 * guard your work against the app being relaunched. 4644 */ 4645 private void killUid(int appId, int userId, String reason) { 4646 final long identity = Binder.clearCallingIdentity(); 4647 try { 4648 IActivityManager am = ActivityManagerNative.getDefault(); 4649 if (am != null) { 4650 try { 4651 am.killUid(appId, userId, reason); 4652 } catch (RemoteException e) { 4653 /* ignore - same process */ 4654 } 4655 } 4656 } finally { 4657 Binder.restoreCallingIdentity(identity); 4658 } 4659 } 4660 4661 /** 4662 * Compares two sets of signatures. Returns: 4663 * <br /> 4664 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4665 * <br /> 4666 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4667 * <br /> 4668 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4669 * <br /> 4670 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4671 * <br /> 4672 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4673 */ 4674 static int compareSignatures(Signature[] s1, Signature[] s2) { 4675 if (s1 == null) { 4676 return s2 == null 4677 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4678 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4679 } 4680 4681 if (s2 == null) { 4682 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4683 } 4684 4685 if (s1.length != s2.length) { 4686 return PackageManager.SIGNATURE_NO_MATCH; 4687 } 4688 4689 // Since both signature sets are of size 1, we can compare without HashSets. 4690 if (s1.length == 1) { 4691 return s1[0].equals(s2[0]) ? 4692 PackageManager.SIGNATURE_MATCH : 4693 PackageManager.SIGNATURE_NO_MATCH; 4694 } 4695 4696 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4697 for (Signature sig : s1) { 4698 set1.add(sig); 4699 } 4700 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4701 for (Signature sig : s2) { 4702 set2.add(sig); 4703 } 4704 // Make sure s2 contains all signatures in s1. 4705 if (set1.equals(set2)) { 4706 return PackageManager.SIGNATURE_MATCH; 4707 } 4708 return PackageManager.SIGNATURE_NO_MATCH; 4709 } 4710 4711 /** 4712 * If the database version for this type of package (internal storage or 4713 * external storage) is less than the version where package signatures 4714 * were updated, return true. 4715 */ 4716 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4717 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4718 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4719 } 4720 4721 /** 4722 * Used for backward compatibility to make sure any packages with 4723 * certificate chains get upgraded to the new style. {@code existingSigs} 4724 * will be in the old format (since they were stored on disk from before the 4725 * system upgrade) and {@code scannedSigs} will be in the newer format. 4726 */ 4727 private int compareSignaturesCompat(PackageSignatures existingSigs, 4728 PackageParser.Package scannedPkg) { 4729 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4730 return PackageManager.SIGNATURE_NO_MATCH; 4731 } 4732 4733 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4734 for (Signature sig : existingSigs.mSignatures) { 4735 existingSet.add(sig); 4736 } 4737 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4738 for (Signature sig : scannedPkg.mSignatures) { 4739 try { 4740 Signature[] chainSignatures = sig.getChainSignatures(); 4741 for (Signature chainSig : chainSignatures) { 4742 scannedCompatSet.add(chainSig); 4743 } 4744 } catch (CertificateEncodingException e) { 4745 scannedCompatSet.add(sig); 4746 } 4747 } 4748 /* 4749 * Make sure the expanded scanned set contains all signatures in the 4750 * existing one. 4751 */ 4752 if (scannedCompatSet.equals(existingSet)) { 4753 // Migrate the old signatures to the new scheme. 4754 existingSigs.assignSignatures(scannedPkg.mSignatures); 4755 // The new KeySets will be re-added later in the scanning process. 4756 synchronized (mPackages) { 4757 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4758 } 4759 return PackageManager.SIGNATURE_MATCH; 4760 } 4761 return PackageManager.SIGNATURE_NO_MATCH; 4762 } 4763 4764 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4765 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4766 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4767 } 4768 4769 private int compareSignaturesRecover(PackageSignatures existingSigs, 4770 PackageParser.Package scannedPkg) { 4771 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4772 return PackageManager.SIGNATURE_NO_MATCH; 4773 } 4774 4775 String msg = null; 4776 try { 4777 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4778 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4779 + scannedPkg.packageName); 4780 return PackageManager.SIGNATURE_MATCH; 4781 } 4782 } catch (CertificateException e) { 4783 msg = e.getMessage(); 4784 } 4785 4786 logCriticalInfo(Log.INFO, 4787 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4788 return PackageManager.SIGNATURE_NO_MATCH; 4789 } 4790 4791 @Override 4792 public List<String> getAllPackages() { 4793 synchronized (mPackages) { 4794 return new ArrayList<String>(mPackages.keySet()); 4795 } 4796 } 4797 4798 @Override 4799 public String[] getPackagesForUid(int uid) { 4800 uid = UserHandle.getAppId(uid); 4801 // reader 4802 synchronized (mPackages) { 4803 Object obj = mSettings.getUserIdLPr(uid); 4804 if (obj instanceof SharedUserSetting) { 4805 final SharedUserSetting sus = (SharedUserSetting) obj; 4806 final int N = sus.packages.size(); 4807 final String[] res = new String[N]; 4808 for (int i = 0; i < N; i++) { 4809 res[i] = sus.packages.valueAt(i).name; 4810 } 4811 return res; 4812 } else if (obj instanceof PackageSetting) { 4813 final PackageSetting ps = (PackageSetting) obj; 4814 return new String[] { ps.name }; 4815 } 4816 } 4817 return null; 4818 } 4819 4820 @Override 4821 public String getNameForUid(int uid) { 4822 // reader 4823 synchronized (mPackages) { 4824 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4825 if (obj instanceof SharedUserSetting) { 4826 final SharedUserSetting sus = (SharedUserSetting) obj; 4827 return sus.name + ":" + sus.userId; 4828 } else if (obj instanceof PackageSetting) { 4829 final PackageSetting ps = (PackageSetting) obj; 4830 return ps.name; 4831 } 4832 } 4833 return null; 4834 } 4835 4836 @Override 4837 public int getUidForSharedUser(String sharedUserName) { 4838 if(sharedUserName == null) { 4839 return -1; 4840 } 4841 // reader 4842 synchronized (mPackages) { 4843 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4844 if (suid == null) { 4845 return -1; 4846 } 4847 return suid.userId; 4848 } 4849 } 4850 4851 @Override 4852 public int getFlagsForUid(int uid) { 4853 synchronized (mPackages) { 4854 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4855 if (obj instanceof SharedUserSetting) { 4856 final SharedUserSetting sus = (SharedUserSetting) obj; 4857 return sus.pkgFlags; 4858 } else if (obj instanceof PackageSetting) { 4859 final PackageSetting ps = (PackageSetting) obj; 4860 return ps.pkgFlags; 4861 } 4862 } 4863 return 0; 4864 } 4865 4866 @Override 4867 public int getPrivateFlagsForUid(int uid) { 4868 synchronized (mPackages) { 4869 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4870 if (obj instanceof SharedUserSetting) { 4871 final SharedUserSetting sus = (SharedUserSetting) obj; 4872 return sus.pkgPrivateFlags; 4873 } else if (obj instanceof PackageSetting) { 4874 final PackageSetting ps = (PackageSetting) obj; 4875 return ps.pkgPrivateFlags; 4876 } 4877 } 4878 return 0; 4879 } 4880 4881 @Override 4882 public boolean isUidPrivileged(int uid) { 4883 uid = UserHandle.getAppId(uid); 4884 // reader 4885 synchronized (mPackages) { 4886 Object obj = mSettings.getUserIdLPr(uid); 4887 if (obj instanceof SharedUserSetting) { 4888 final SharedUserSetting sus = (SharedUserSetting) obj; 4889 final Iterator<PackageSetting> it = sus.packages.iterator(); 4890 while (it.hasNext()) { 4891 if (it.next().isPrivileged()) { 4892 return true; 4893 } 4894 } 4895 } else if (obj instanceof PackageSetting) { 4896 final PackageSetting ps = (PackageSetting) obj; 4897 return ps.isPrivileged(); 4898 } 4899 } 4900 return false; 4901 } 4902 4903 @Override 4904 public String[] getAppOpPermissionPackages(String permissionName) { 4905 synchronized (mPackages) { 4906 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4907 if (pkgs == null) { 4908 return null; 4909 } 4910 return pkgs.toArray(new String[pkgs.size()]); 4911 } 4912 } 4913 4914 @Override 4915 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4916 int flags, int userId) { 4917 try { 4918 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4919 4920 if (!sUserManager.exists(userId)) return null; 4921 flags = updateFlagsForResolve(flags, userId, intent); 4922 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4923 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4924 4925 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4926 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4927 flags, userId); 4928 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4929 4930 final ResolveInfo bestChoice = 4931 chooseBestActivity(intent, resolvedType, flags, query, userId); 4932 4933 if (isEphemeralAllowed(intent, query, userId)) { 4934 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4935 final EphemeralResolveInfo ai = 4936 getEphemeralResolveInfo(intent, resolvedType, userId); 4937 if (ai != null) { 4938 if (DEBUG_EPHEMERAL) { 4939 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4940 } 4941 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4942 bestChoice.ephemeralResolveInfo = ai; 4943 } 4944 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4945 } 4946 return bestChoice; 4947 } finally { 4948 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4949 } 4950 } 4951 4952 @Override 4953 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4954 IntentFilter filter, int match, ComponentName activity) { 4955 final int userId = UserHandle.getCallingUserId(); 4956 if (DEBUG_PREFERRED) { 4957 Log.v(TAG, "setLastChosenActivity intent=" + intent 4958 + " resolvedType=" + resolvedType 4959 + " flags=" + flags 4960 + " filter=" + filter 4961 + " match=" + match 4962 + " activity=" + activity); 4963 filter.dump(new PrintStreamPrinter(System.out), " "); 4964 } 4965 intent.setComponent(null); 4966 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4967 userId); 4968 // Find any earlier preferred or last chosen entries and nuke them 4969 findPreferredActivity(intent, resolvedType, 4970 flags, query, 0, false, true, false, userId); 4971 // Add the new activity as the last chosen for this filter 4972 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4973 "Setting last chosen"); 4974 } 4975 4976 @Override 4977 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4978 final int userId = UserHandle.getCallingUserId(); 4979 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4980 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4981 userId); 4982 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4983 false, false, false, userId); 4984 } 4985 4986 4987 private boolean isEphemeralAllowed( 4988 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4989 // Short circuit and return early if possible. 4990 if (DISABLE_EPHEMERAL_APPS) { 4991 return false; 4992 } 4993 final int callingUser = UserHandle.getCallingUserId(); 4994 if (callingUser != UserHandle.USER_SYSTEM) { 4995 return false; 4996 } 4997 if (mEphemeralResolverConnection == null) { 4998 return false; 4999 } 5000 if (intent.getComponent() != null) { 5001 return false; 5002 } 5003 if (intent.getPackage() != null) { 5004 return false; 5005 } 5006 final boolean isWebUri = hasWebURI(intent); 5007 if (!isWebUri) { 5008 return false; 5009 } 5010 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5011 synchronized (mPackages) { 5012 final int count = resolvedActivites.size(); 5013 for (int n = 0; n < count; n++) { 5014 ResolveInfo info = resolvedActivites.get(n); 5015 String packageName = info.activityInfo.packageName; 5016 PackageSetting ps = mSettings.mPackages.get(packageName); 5017 if (ps != null) { 5018 // Try to get the status from User settings first 5019 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5020 int status = (int) (packedStatus >> 32); 5021 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5022 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5023 if (DEBUG_EPHEMERAL) { 5024 Slog.v(TAG, "DENY ephemeral apps;" 5025 + " pkg: " + packageName + ", status: " + status); 5026 } 5027 return false; 5028 } 5029 } 5030 } 5031 } 5032 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5033 return true; 5034 } 5035 5036 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 5037 int userId) { 5038 final int ephemeralPrefixMask = Global.getInt(mContext.getContentResolver(), 5039 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 5040 final int ephemeralPrefixCount = Global.getInt(mContext.getContentResolver(), 5041 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 5042 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 5043 ephemeralPrefixCount); 5044 final int[] shaPrefix = digest.getDigestPrefix(); 5045 final byte[][] digestBytes = digest.getDigestBytes(); 5046 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 5047 mEphemeralResolverConnection.getEphemeralResolveInfoList( 5048 shaPrefix, ephemeralPrefixMask); 5049 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 5050 // No hash prefix match; there are no ephemeral apps for this domain. 5051 return null; 5052 } 5053 5054 // Go in reverse order so we match the narrowest scope first. 5055 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 5056 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 5057 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 5058 continue; 5059 } 5060 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 5061 // No filters; this should never happen. 5062 if (filters.isEmpty()) { 5063 continue; 5064 } 5065 // We have a domain match; resolve the filters to see if anything matches. 5066 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 5067 for (int j = filters.size() - 1; j >= 0; --j) { 5068 final EphemeralResolveIntentInfo intentInfo = 5069 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 5070 ephemeralResolver.addFilter(intentInfo); 5071 } 5072 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 5073 intent, resolvedType, false /*defaultOnly*/, userId); 5074 if (!matchedResolveInfoList.isEmpty()) { 5075 return matchedResolveInfoList.get(0); 5076 } 5077 } 5078 } 5079 // Hash or filter mis-match; no ephemeral apps for this domain. 5080 return null; 5081 } 5082 5083 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5084 int flags, List<ResolveInfo> query, int userId) { 5085 if (query != null) { 5086 final int N = query.size(); 5087 if (N == 1) { 5088 return query.get(0); 5089 } else if (N > 1) { 5090 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5091 // If there is more than one activity with the same priority, 5092 // then let the user decide between them. 5093 ResolveInfo r0 = query.get(0); 5094 ResolveInfo r1 = query.get(1); 5095 if (DEBUG_INTENT_MATCHING || debug) { 5096 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5097 + r1.activityInfo.name + "=" + r1.priority); 5098 } 5099 // If the first activity has a higher priority, or a different 5100 // default, then it is always desirable to pick it. 5101 if (r0.priority != r1.priority 5102 || r0.preferredOrder != r1.preferredOrder 5103 || r0.isDefault != r1.isDefault) { 5104 return query.get(0); 5105 } 5106 // If we have saved a preference for a preferred activity for 5107 // this Intent, use that. 5108 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5109 flags, query, r0.priority, true, false, debug, userId); 5110 if (ri != null) { 5111 return ri; 5112 } 5113 ri = new ResolveInfo(mResolveInfo); 5114 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5115 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5116 // If all of the options come from the same package, show the application's 5117 // label and icon instead of the generic resolver's. 5118 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5119 // and then throw away the ResolveInfo itself, meaning that the caller loses 5120 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5121 // a fallback for this case; we only set the target package's resources on 5122 // the ResolveInfo, not the ActivityInfo. 5123 final String intentPackage = intent.getPackage(); 5124 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5125 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5126 ri.resolvePackageName = intentPackage; 5127 if (userNeedsBadging(userId)) { 5128 ri.noResourceId = true; 5129 } else { 5130 ri.icon = appi.icon; 5131 } 5132 ri.iconResourceId = appi.icon; 5133 ri.labelRes = appi.labelRes; 5134 } 5135 ri.activityInfo.applicationInfo = new ApplicationInfo( 5136 ri.activityInfo.applicationInfo); 5137 if (userId != 0) { 5138 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5139 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5140 } 5141 // Make sure that the resolver is displayable in car mode 5142 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5143 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5144 return ri; 5145 } 5146 } 5147 return null; 5148 } 5149 5150 /** 5151 * Return true if the given list is not empty and all of its contents have 5152 * an activityInfo with the given package name. 5153 */ 5154 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5155 if (ArrayUtils.isEmpty(list)) { 5156 return false; 5157 } 5158 for (int i = 0, N = list.size(); i < N; i++) { 5159 final ResolveInfo ri = list.get(i); 5160 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5161 if (ai == null || !packageName.equals(ai.packageName)) { 5162 return false; 5163 } 5164 } 5165 return true; 5166 } 5167 5168 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5169 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5170 final int N = query.size(); 5171 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5172 .get(userId); 5173 // Get the list of persistent preferred activities that handle the intent 5174 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5175 List<PersistentPreferredActivity> pprefs = ppir != null 5176 ? ppir.queryIntent(intent, resolvedType, 5177 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5178 : null; 5179 if (pprefs != null && pprefs.size() > 0) { 5180 final int M = pprefs.size(); 5181 for (int i=0; i<M; i++) { 5182 final PersistentPreferredActivity ppa = pprefs.get(i); 5183 if (DEBUG_PREFERRED || debug) { 5184 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5185 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5186 + "\n component=" + ppa.mComponent); 5187 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5188 } 5189 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5190 flags | MATCH_DISABLED_COMPONENTS, userId); 5191 if (DEBUG_PREFERRED || debug) { 5192 Slog.v(TAG, "Found persistent preferred activity:"); 5193 if (ai != null) { 5194 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5195 } else { 5196 Slog.v(TAG, " null"); 5197 } 5198 } 5199 if (ai == null) { 5200 // This previously registered persistent preferred activity 5201 // component is no longer known. Ignore it and do NOT remove it. 5202 continue; 5203 } 5204 for (int j=0; j<N; j++) { 5205 final ResolveInfo ri = query.get(j); 5206 if (!ri.activityInfo.applicationInfo.packageName 5207 .equals(ai.applicationInfo.packageName)) { 5208 continue; 5209 } 5210 if (!ri.activityInfo.name.equals(ai.name)) { 5211 continue; 5212 } 5213 // Found a persistent preference that can handle the intent. 5214 if (DEBUG_PREFERRED || debug) { 5215 Slog.v(TAG, "Returning persistent preferred activity: " + 5216 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5217 } 5218 return ri; 5219 } 5220 } 5221 } 5222 return null; 5223 } 5224 5225 // TODO: handle preferred activities missing while user has amnesia 5226 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5227 List<ResolveInfo> query, int priority, boolean always, 5228 boolean removeMatches, boolean debug, int userId) { 5229 if (!sUserManager.exists(userId)) return null; 5230 flags = updateFlagsForResolve(flags, userId, intent); 5231 // writer 5232 synchronized (mPackages) { 5233 if (intent.getSelector() != null) { 5234 intent = intent.getSelector(); 5235 } 5236 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5237 5238 // Try to find a matching persistent preferred activity. 5239 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5240 debug, userId); 5241 5242 // If a persistent preferred activity matched, use it. 5243 if (pri != null) { 5244 return pri; 5245 } 5246 5247 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5248 // Get the list of preferred activities that handle the intent 5249 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5250 List<PreferredActivity> prefs = pir != null 5251 ? pir.queryIntent(intent, resolvedType, 5252 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5253 : null; 5254 if (prefs != null && prefs.size() > 0) { 5255 boolean changed = false; 5256 try { 5257 // First figure out how good the original match set is. 5258 // We will only allow preferred activities that came 5259 // from the same match quality. 5260 int match = 0; 5261 5262 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5263 5264 final int N = query.size(); 5265 for (int j=0; j<N; j++) { 5266 final ResolveInfo ri = query.get(j); 5267 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5268 + ": 0x" + Integer.toHexString(match)); 5269 if (ri.match > match) { 5270 match = ri.match; 5271 } 5272 } 5273 5274 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5275 + Integer.toHexString(match)); 5276 5277 match &= IntentFilter.MATCH_CATEGORY_MASK; 5278 final int M = prefs.size(); 5279 for (int i=0; i<M; i++) { 5280 final PreferredActivity pa = prefs.get(i); 5281 if (DEBUG_PREFERRED || debug) { 5282 Slog.v(TAG, "Checking PreferredActivity ds=" 5283 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5284 + "\n component=" + pa.mPref.mComponent); 5285 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5286 } 5287 if (pa.mPref.mMatch != match) { 5288 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5289 + Integer.toHexString(pa.mPref.mMatch)); 5290 continue; 5291 } 5292 // If it's not an "always" type preferred activity and that's what we're 5293 // looking for, skip it. 5294 if (always && !pa.mPref.mAlways) { 5295 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5296 continue; 5297 } 5298 final ActivityInfo ai = getActivityInfo( 5299 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5300 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5301 userId); 5302 if (DEBUG_PREFERRED || debug) { 5303 Slog.v(TAG, "Found preferred activity:"); 5304 if (ai != null) { 5305 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5306 } else { 5307 Slog.v(TAG, " null"); 5308 } 5309 } 5310 if (ai == null) { 5311 // This previously registered preferred activity 5312 // component is no longer known. Most likely an update 5313 // to the app was installed and in the new version this 5314 // component no longer exists. Clean it up by removing 5315 // it from the preferred activities list, and skip it. 5316 Slog.w(TAG, "Removing dangling preferred activity: " 5317 + pa.mPref.mComponent); 5318 pir.removeFilter(pa); 5319 changed = true; 5320 continue; 5321 } 5322 for (int j=0; j<N; j++) { 5323 final ResolveInfo ri = query.get(j); 5324 if (!ri.activityInfo.applicationInfo.packageName 5325 .equals(ai.applicationInfo.packageName)) { 5326 continue; 5327 } 5328 if (!ri.activityInfo.name.equals(ai.name)) { 5329 continue; 5330 } 5331 5332 if (removeMatches) { 5333 pir.removeFilter(pa); 5334 changed = true; 5335 if (DEBUG_PREFERRED) { 5336 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5337 } 5338 break; 5339 } 5340 5341 // Okay we found a previously set preferred or last chosen app. 5342 // If the result set is different from when this 5343 // was created, we need to clear it and re-ask the 5344 // user their preference, if we're looking for an "always" type entry. 5345 if (always && !pa.mPref.sameSet(query)) { 5346 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5347 + intent + " type " + resolvedType); 5348 if (DEBUG_PREFERRED) { 5349 Slog.v(TAG, "Removing preferred activity since set changed " 5350 + pa.mPref.mComponent); 5351 } 5352 pir.removeFilter(pa); 5353 // Re-add the filter as a "last chosen" entry (!always) 5354 PreferredActivity lastChosen = new PreferredActivity( 5355 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5356 pir.addFilter(lastChosen); 5357 changed = true; 5358 return null; 5359 } 5360 5361 // Yay! Either the set matched or we're looking for the last chosen 5362 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5363 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5364 return ri; 5365 } 5366 } 5367 } finally { 5368 if (changed) { 5369 if (DEBUG_PREFERRED) { 5370 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5371 } 5372 scheduleWritePackageRestrictionsLocked(userId); 5373 } 5374 } 5375 } 5376 } 5377 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5378 return null; 5379 } 5380 5381 /* 5382 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5383 */ 5384 @Override 5385 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5386 int targetUserId) { 5387 mContext.enforceCallingOrSelfPermission( 5388 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5389 List<CrossProfileIntentFilter> matches = 5390 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5391 if (matches != null) { 5392 int size = matches.size(); 5393 for (int i = 0; i < size; i++) { 5394 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5395 } 5396 } 5397 if (hasWebURI(intent)) { 5398 // cross-profile app linking works only towards the parent. 5399 final UserInfo parent = getProfileParent(sourceUserId); 5400 synchronized(mPackages) { 5401 int flags = updateFlagsForResolve(0, parent.id, intent); 5402 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5403 intent, resolvedType, flags, sourceUserId, parent.id); 5404 return xpDomainInfo != null; 5405 } 5406 } 5407 return false; 5408 } 5409 5410 private UserInfo getProfileParent(int userId) { 5411 final long identity = Binder.clearCallingIdentity(); 5412 try { 5413 return sUserManager.getProfileParent(userId); 5414 } finally { 5415 Binder.restoreCallingIdentity(identity); 5416 } 5417 } 5418 5419 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5420 String resolvedType, int userId) { 5421 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5422 if (resolver != null) { 5423 return resolver.queryIntent(intent, resolvedType, false, userId); 5424 } 5425 return null; 5426 } 5427 5428 @Override 5429 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5430 String resolvedType, int flags, int userId) { 5431 try { 5432 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5433 5434 return new ParceledListSlice<>( 5435 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5436 } finally { 5437 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5438 } 5439 } 5440 5441 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5442 String resolvedType, int flags, int userId) { 5443 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5444 flags = updateFlagsForResolve(flags, userId, intent); 5445 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5446 false /* requireFullPermission */, false /* checkShell */, 5447 "query intent activities"); 5448 ComponentName comp = intent.getComponent(); 5449 if (comp == null) { 5450 if (intent.getSelector() != null) { 5451 intent = intent.getSelector(); 5452 comp = intent.getComponent(); 5453 } 5454 } 5455 5456 if (comp != null) { 5457 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5458 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5459 if (ai != null) { 5460 final ResolveInfo ri = new ResolveInfo(); 5461 ri.activityInfo = ai; 5462 list.add(ri); 5463 } 5464 return list; 5465 } 5466 5467 // reader 5468 synchronized (mPackages) { 5469 final String pkgName = intent.getPackage(); 5470 if (pkgName == null) { 5471 List<CrossProfileIntentFilter> matchingFilters = 5472 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5473 // Check for results that need to skip the current profile. 5474 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5475 resolvedType, flags, userId); 5476 if (xpResolveInfo != null) { 5477 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5478 result.add(xpResolveInfo); 5479 return filterIfNotSystemUser(result, userId); 5480 } 5481 5482 // Check for results in the current profile. 5483 List<ResolveInfo> result = mActivities.queryIntent( 5484 intent, resolvedType, flags, userId); 5485 result = filterIfNotSystemUser(result, userId); 5486 5487 // Check for cross profile results. 5488 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5489 xpResolveInfo = queryCrossProfileIntents( 5490 matchingFilters, intent, resolvedType, flags, userId, 5491 hasNonNegativePriorityResult); 5492 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5493 boolean isVisibleToUser = filterIfNotSystemUser( 5494 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5495 if (isVisibleToUser) { 5496 result.add(xpResolveInfo); 5497 Collections.sort(result, mResolvePrioritySorter); 5498 } 5499 } 5500 if (hasWebURI(intent)) { 5501 CrossProfileDomainInfo xpDomainInfo = null; 5502 final UserInfo parent = getProfileParent(userId); 5503 if (parent != null) { 5504 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5505 flags, userId, parent.id); 5506 } 5507 if (xpDomainInfo != null) { 5508 if (xpResolveInfo != null) { 5509 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5510 // in the result. 5511 result.remove(xpResolveInfo); 5512 } 5513 if (result.size() == 0) { 5514 result.add(xpDomainInfo.resolveInfo); 5515 return result; 5516 } 5517 } else if (result.size() <= 1) { 5518 return result; 5519 } 5520 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5521 xpDomainInfo, userId); 5522 Collections.sort(result, mResolvePrioritySorter); 5523 } 5524 return result; 5525 } 5526 final PackageParser.Package pkg = mPackages.get(pkgName); 5527 if (pkg != null) { 5528 return filterIfNotSystemUser( 5529 mActivities.queryIntentForPackage( 5530 intent, resolvedType, flags, pkg.activities, userId), 5531 userId); 5532 } 5533 return new ArrayList<ResolveInfo>(); 5534 } 5535 } 5536 5537 private static class CrossProfileDomainInfo { 5538 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5539 ResolveInfo resolveInfo; 5540 /* Best domain verification status of the activities found in the other profile */ 5541 int bestDomainVerificationStatus; 5542 } 5543 5544 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5545 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5546 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5547 sourceUserId)) { 5548 return null; 5549 } 5550 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5551 resolvedType, flags, parentUserId); 5552 5553 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5554 return null; 5555 } 5556 CrossProfileDomainInfo result = null; 5557 int size = resultTargetUser.size(); 5558 for (int i = 0; i < size; i++) { 5559 ResolveInfo riTargetUser = resultTargetUser.get(i); 5560 // Intent filter verification is only for filters that specify a host. So don't return 5561 // those that handle all web uris. 5562 if (riTargetUser.handleAllWebDataURI) { 5563 continue; 5564 } 5565 String packageName = riTargetUser.activityInfo.packageName; 5566 PackageSetting ps = mSettings.mPackages.get(packageName); 5567 if (ps == null) { 5568 continue; 5569 } 5570 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5571 int status = (int)(verificationState >> 32); 5572 if (result == null) { 5573 result = new CrossProfileDomainInfo(); 5574 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5575 sourceUserId, parentUserId); 5576 result.bestDomainVerificationStatus = status; 5577 } else { 5578 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5579 result.bestDomainVerificationStatus); 5580 } 5581 } 5582 // Don't consider matches with status NEVER across profiles. 5583 if (result != null && result.bestDomainVerificationStatus 5584 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5585 return null; 5586 } 5587 return result; 5588 } 5589 5590 /** 5591 * Verification statuses are ordered from the worse to the best, except for 5592 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5593 */ 5594 private int bestDomainVerificationStatus(int status1, int status2) { 5595 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5596 return status2; 5597 } 5598 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5599 return status1; 5600 } 5601 return (int) MathUtils.max(status1, status2); 5602 } 5603 5604 private boolean isUserEnabled(int userId) { 5605 long callingId = Binder.clearCallingIdentity(); 5606 try { 5607 UserInfo userInfo = sUserManager.getUserInfo(userId); 5608 return userInfo != null && userInfo.isEnabled(); 5609 } finally { 5610 Binder.restoreCallingIdentity(callingId); 5611 } 5612 } 5613 5614 /** 5615 * Filter out activities with systemUserOnly flag set, when current user is not System. 5616 * 5617 * @return filtered list 5618 */ 5619 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5620 if (userId == UserHandle.USER_SYSTEM) { 5621 return resolveInfos; 5622 } 5623 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5624 ResolveInfo info = resolveInfos.get(i); 5625 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5626 resolveInfos.remove(i); 5627 } 5628 } 5629 return resolveInfos; 5630 } 5631 5632 /** 5633 * @param resolveInfos list of resolve infos in descending priority order 5634 * @return if the list contains a resolve info with non-negative priority 5635 */ 5636 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5637 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5638 } 5639 5640 private static boolean hasWebURI(Intent intent) { 5641 if (intent.getData() == null) { 5642 return false; 5643 } 5644 final String scheme = intent.getScheme(); 5645 if (TextUtils.isEmpty(scheme)) { 5646 return false; 5647 } 5648 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5649 } 5650 5651 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5652 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5653 int userId) { 5654 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5655 5656 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5657 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5658 candidates.size()); 5659 } 5660 5661 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5662 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5663 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5664 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5665 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5666 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5667 5668 synchronized (mPackages) { 5669 final int count = candidates.size(); 5670 // First, try to use linked apps. Partition the candidates into four lists: 5671 // one for the final results, one for the "do not use ever", one for "undefined status" 5672 // and finally one for "browser app type". 5673 for (int n=0; n<count; n++) { 5674 ResolveInfo info = candidates.get(n); 5675 String packageName = info.activityInfo.packageName; 5676 PackageSetting ps = mSettings.mPackages.get(packageName); 5677 if (ps != null) { 5678 // Add to the special match all list (Browser use case) 5679 if (info.handleAllWebDataURI) { 5680 matchAllList.add(info); 5681 continue; 5682 } 5683 // Try to get the status from User settings first 5684 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5685 int status = (int)(packedStatus >> 32); 5686 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5687 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5688 if (DEBUG_DOMAIN_VERIFICATION) { 5689 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5690 + " : linkgen=" + linkGeneration); 5691 } 5692 // Use link-enabled generation as preferredOrder, i.e. 5693 // prefer newly-enabled over earlier-enabled. 5694 info.preferredOrder = linkGeneration; 5695 alwaysList.add(info); 5696 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5697 if (DEBUG_DOMAIN_VERIFICATION) { 5698 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5699 } 5700 neverList.add(info); 5701 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5702 if (DEBUG_DOMAIN_VERIFICATION) { 5703 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5704 } 5705 alwaysAskList.add(info); 5706 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5707 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5708 if (DEBUG_DOMAIN_VERIFICATION) { 5709 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5710 } 5711 undefinedList.add(info); 5712 } 5713 } 5714 } 5715 5716 // We'll want to include browser possibilities in a few cases 5717 boolean includeBrowser = false; 5718 5719 // First try to add the "always" resolution(s) for the current user, if any 5720 if (alwaysList.size() > 0) { 5721 result.addAll(alwaysList); 5722 } else { 5723 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5724 result.addAll(undefinedList); 5725 // Maybe add one for the other profile. 5726 if (xpDomainInfo != null && ( 5727 xpDomainInfo.bestDomainVerificationStatus 5728 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5729 result.add(xpDomainInfo.resolveInfo); 5730 } 5731 includeBrowser = true; 5732 } 5733 5734 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5735 // If there were 'always' entries their preferred order has been set, so we also 5736 // back that off to make the alternatives equivalent 5737 if (alwaysAskList.size() > 0) { 5738 for (ResolveInfo i : result) { 5739 i.preferredOrder = 0; 5740 } 5741 result.addAll(alwaysAskList); 5742 includeBrowser = true; 5743 } 5744 5745 if (includeBrowser) { 5746 // Also add browsers (all of them or only the default one) 5747 if (DEBUG_DOMAIN_VERIFICATION) { 5748 Slog.v(TAG, " ...including browsers in candidate set"); 5749 } 5750 if ((matchFlags & MATCH_ALL) != 0) { 5751 result.addAll(matchAllList); 5752 } else { 5753 // Browser/generic handling case. If there's a default browser, go straight 5754 // to that (but only if there is no other higher-priority match). 5755 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5756 int maxMatchPrio = 0; 5757 ResolveInfo defaultBrowserMatch = null; 5758 final int numCandidates = matchAllList.size(); 5759 for (int n = 0; n < numCandidates; n++) { 5760 ResolveInfo info = matchAllList.get(n); 5761 // track the highest overall match priority... 5762 if (info.priority > maxMatchPrio) { 5763 maxMatchPrio = info.priority; 5764 } 5765 // ...and the highest-priority default browser match 5766 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5767 if (defaultBrowserMatch == null 5768 || (defaultBrowserMatch.priority < info.priority)) { 5769 if (debug) { 5770 Slog.v(TAG, "Considering default browser match " + info); 5771 } 5772 defaultBrowserMatch = info; 5773 } 5774 } 5775 } 5776 if (defaultBrowserMatch != null 5777 && defaultBrowserMatch.priority >= maxMatchPrio 5778 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5779 { 5780 if (debug) { 5781 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5782 } 5783 result.add(defaultBrowserMatch); 5784 } else { 5785 result.addAll(matchAllList); 5786 } 5787 } 5788 5789 // If there is nothing selected, add all candidates and remove the ones that the user 5790 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5791 if (result.size() == 0) { 5792 result.addAll(candidates); 5793 result.removeAll(neverList); 5794 } 5795 } 5796 } 5797 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5798 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5799 result.size()); 5800 for (ResolveInfo info : result) { 5801 Slog.v(TAG, " + " + info.activityInfo); 5802 } 5803 } 5804 return result; 5805 } 5806 5807 // Returns a packed value as a long: 5808 // 5809 // high 'int'-sized word: link status: undefined/ask/never/always. 5810 // low 'int'-sized word: relative priority among 'always' results. 5811 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5812 long result = ps.getDomainVerificationStatusForUser(userId); 5813 // if none available, get the master status 5814 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5815 if (ps.getIntentFilterVerificationInfo() != null) { 5816 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5817 } 5818 } 5819 return result; 5820 } 5821 5822 private ResolveInfo querySkipCurrentProfileIntents( 5823 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5824 int flags, int sourceUserId) { 5825 if (matchingFilters != null) { 5826 int size = matchingFilters.size(); 5827 for (int i = 0; i < size; i ++) { 5828 CrossProfileIntentFilter filter = matchingFilters.get(i); 5829 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5830 // Checking if there are activities in the target user that can handle the 5831 // intent. 5832 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5833 resolvedType, flags, sourceUserId); 5834 if (resolveInfo != null) { 5835 return resolveInfo; 5836 } 5837 } 5838 } 5839 } 5840 return null; 5841 } 5842 5843 // Return matching ResolveInfo in target user if any. 5844 private ResolveInfo queryCrossProfileIntents( 5845 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5846 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5847 if (matchingFilters != null) { 5848 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5849 // match the same intent. For performance reasons, it is better not to 5850 // run queryIntent twice for the same userId 5851 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5852 int size = matchingFilters.size(); 5853 for (int i = 0; i < size; i++) { 5854 CrossProfileIntentFilter filter = matchingFilters.get(i); 5855 int targetUserId = filter.getTargetUserId(); 5856 boolean skipCurrentProfile = 5857 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5858 boolean skipCurrentProfileIfNoMatchFound = 5859 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5860 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5861 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5862 // Checking if there are activities in the target user that can handle the 5863 // intent. 5864 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5865 resolvedType, flags, sourceUserId); 5866 if (resolveInfo != null) return resolveInfo; 5867 alreadyTriedUserIds.put(targetUserId, true); 5868 } 5869 } 5870 } 5871 return null; 5872 } 5873 5874 /** 5875 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5876 * will forward the intent to the filter's target user. 5877 * Otherwise, returns null. 5878 */ 5879 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5880 String resolvedType, int flags, int sourceUserId) { 5881 int targetUserId = filter.getTargetUserId(); 5882 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5883 resolvedType, flags, targetUserId); 5884 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5885 // If all the matches in the target profile are suspended, return null. 5886 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5887 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5888 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5889 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5890 targetUserId); 5891 } 5892 } 5893 } 5894 return null; 5895 } 5896 5897 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5898 int sourceUserId, int targetUserId) { 5899 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5900 long ident = Binder.clearCallingIdentity(); 5901 boolean targetIsProfile; 5902 try { 5903 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5904 } finally { 5905 Binder.restoreCallingIdentity(ident); 5906 } 5907 String className; 5908 if (targetIsProfile) { 5909 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5910 } else { 5911 className = FORWARD_INTENT_TO_PARENT; 5912 } 5913 ComponentName forwardingActivityComponentName = new ComponentName( 5914 mAndroidApplication.packageName, className); 5915 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5916 sourceUserId); 5917 if (!targetIsProfile) { 5918 forwardingActivityInfo.showUserIcon = targetUserId; 5919 forwardingResolveInfo.noResourceId = true; 5920 } 5921 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5922 forwardingResolveInfo.priority = 0; 5923 forwardingResolveInfo.preferredOrder = 0; 5924 forwardingResolveInfo.match = 0; 5925 forwardingResolveInfo.isDefault = true; 5926 forwardingResolveInfo.filter = filter; 5927 forwardingResolveInfo.targetUserId = targetUserId; 5928 return forwardingResolveInfo; 5929 } 5930 5931 @Override 5932 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5933 Intent[] specifics, String[] specificTypes, Intent intent, 5934 String resolvedType, int flags, int userId) { 5935 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5936 specificTypes, intent, resolvedType, flags, userId)); 5937 } 5938 5939 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5940 Intent[] specifics, String[] specificTypes, Intent intent, 5941 String resolvedType, int flags, int userId) { 5942 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5943 flags = updateFlagsForResolve(flags, userId, intent); 5944 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5945 false /* requireFullPermission */, false /* checkShell */, 5946 "query intent activity options"); 5947 final String resultsAction = intent.getAction(); 5948 5949 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5950 | PackageManager.GET_RESOLVED_FILTER, userId); 5951 5952 if (DEBUG_INTENT_MATCHING) { 5953 Log.v(TAG, "Query " + intent + ": " + results); 5954 } 5955 5956 int specificsPos = 0; 5957 int N; 5958 5959 // todo: note that the algorithm used here is O(N^2). This 5960 // isn't a problem in our current environment, but if we start running 5961 // into situations where we have more than 5 or 10 matches then this 5962 // should probably be changed to something smarter... 5963 5964 // First we go through and resolve each of the specific items 5965 // that were supplied, taking care of removing any corresponding 5966 // duplicate items in the generic resolve list. 5967 if (specifics != null) { 5968 for (int i=0; i<specifics.length; i++) { 5969 final Intent sintent = specifics[i]; 5970 if (sintent == null) { 5971 continue; 5972 } 5973 5974 if (DEBUG_INTENT_MATCHING) { 5975 Log.v(TAG, "Specific #" + i + ": " + sintent); 5976 } 5977 5978 String action = sintent.getAction(); 5979 if (resultsAction != null && resultsAction.equals(action)) { 5980 // If this action was explicitly requested, then don't 5981 // remove things that have it. 5982 action = null; 5983 } 5984 5985 ResolveInfo ri = null; 5986 ActivityInfo ai = null; 5987 5988 ComponentName comp = sintent.getComponent(); 5989 if (comp == null) { 5990 ri = resolveIntent( 5991 sintent, 5992 specificTypes != null ? specificTypes[i] : null, 5993 flags, userId); 5994 if (ri == null) { 5995 continue; 5996 } 5997 if (ri == mResolveInfo) { 5998 // ACK! Must do something better with this. 5999 } 6000 ai = ri.activityInfo; 6001 comp = new ComponentName(ai.applicationInfo.packageName, 6002 ai.name); 6003 } else { 6004 ai = getActivityInfo(comp, flags, userId); 6005 if (ai == null) { 6006 continue; 6007 } 6008 } 6009 6010 // Look for any generic query activities that are duplicates 6011 // of this specific one, and remove them from the results. 6012 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6013 N = results.size(); 6014 int j; 6015 for (j=specificsPos; j<N; j++) { 6016 ResolveInfo sri = results.get(j); 6017 if ((sri.activityInfo.name.equals(comp.getClassName()) 6018 && sri.activityInfo.applicationInfo.packageName.equals( 6019 comp.getPackageName())) 6020 || (action != null && sri.filter.matchAction(action))) { 6021 results.remove(j); 6022 if (DEBUG_INTENT_MATCHING) Log.v( 6023 TAG, "Removing duplicate item from " + j 6024 + " due to specific " + specificsPos); 6025 if (ri == null) { 6026 ri = sri; 6027 } 6028 j--; 6029 N--; 6030 } 6031 } 6032 6033 // Add this specific item to its proper place. 6034 if (ri == null) { 6035 ri = new ResolveInfo(); 6036 ri.activityInfo = ai; 6037 } 6038 results.add(specificsPos, ri); 6039 ri.specificIndex = i; 6040 specificsPos++; 6041 } 6042 } 6043 6044 // Now we go through the remaining generic results and remove any 6045 // duplicate actions that are found here. 6046 N = results.size(); 6047 for (int i=specificsPos; i<N-1; i++) { 6048 final ResolveInfo rii = results.get(i); 6049 if (rii.filter == null) { 6050 continue; 6051 } 6052 6053 // Iterate over all of the actions of this result's intent 6054 // filter... typically this should be just one. 6055 final Iterator<String> it = rii.filter.actionsIterator(); 6056 if (it == null) { 6057 continue; 6058 } 6059 while (it.hasNext()) { 6060 final String action = it.next(); 6061 if (resultsAction != null && resultsAction.equals(action)) { 6062 // If this action was explicitly requested, then don't 6063 // remove things that have it. 6064 continue; 6065 } 6066 for (int j=i+1; j<N; j++) { 6067 final ResolveInfo rij = results.get(j); 6068 if (rij.filter != null && rij.filter.hasAction(action)) { 6069 results.remove(j); 6070 if (DEBUG_INTENT_MATCHING) Log.v( 6071 TAG, "Removing duplicate item from " + j 6072 + " due to action " + action + " at " + i); 6073 j--; 6074 N--; 6075 } 6076 } 6077 } 6078 6079 // If the caller didn't request filter information, drop it now 6080 // so we don't have to marshall/unmarshall it. 6081 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6082 rii.filter = null; 6083 } 6084 } 6085 6086 // Filter out the caller activity if so requested. 6087 if (caller != null) { 6088 N = results.size(); 6089 for (int i=0; i<N; i++) { 6090 ActivityInfo ainfo = results.get(i).activityInfo; 6091 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6092 && caller.getClassName().equals(ainfo.name)) { 6093 results.remove(i); 6094 break; 6095 } 6096 } 6097 } 6098 6099 // If the caller didn't request filter information, 6100 // drop them now so we don't have to 6101 // marshall/unmarshall it. 6102 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6103 N = results.size(); 6104 for (int i=0; i<N; i++) { 6105 results.get(i).filter = null; 6106 } 6107 } 6108 6109 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6110 return results; 6111 } 6112 6113 @Override 6114 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6115 String resolvedType, int flags, int userId) { 6116 return new ParceledListSlice<>( 6117 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6118 } 6119 6120 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6121 String resolvedType, int flags, int userId) { 6122 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6123 flags = updateFlagsForResolve(flags, userId, intent); 6124 ComponentName comp = intent.getComponent(); 6125 if (comp == null) { 6126 if (intent.getSelector() != null) { 6127 intent = intent.getSelector(); 6128 comp = intent.getComponent(); 6129 } 6130 } 6131 if (comp != null) { 6132 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6133 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6134 if (ai != null) { 6135 ResolveInfo ri = new ResolveInfo(); 6136 ri.activityInfo = ai; 6137 list.add(ri); 6138 } 6139 return list; 6140 } 6141 6142 // reader 6143 synchronized (mPackages) { 6144 String pkgName = intent.getPackage(); 6145 if (pkgName == null) { 6146 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6147 } 6148 final PackageParser.Package pkg = mPackages.get(pkgName); 6149 if (pkg != null) { 6150 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6151 userId); 6152 } 6153 return Collections.emptyList(); 6154 } 6155 } 6156 6157 @Override 6158 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6159 if (!sUserManager.exists(userId)) return null; 6160 flags = updateFlagsForResolve(flags, userId, intent); 6161 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6162 if (query != null) { 6163 if (query.size() >= 1) { 6164 // If there is more than one service with the same priority, 6165 // just arbitrarily pick the first one. 6166 return query.get(0); 6167 } 6168 } 6169 return null; 6170 } 6171 6172 @Override 6173 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6174 String resolvedType, int flags, int userId) { 6175 return new ParceledListSlice<>( 6176 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6177 } 6178 6179 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6180 String resolvedType, int flags, int userId) { 6181 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6182 flags = updateFlagsForResolve(flags, userId, intent); 6183 ComponentName comp = intent.getComponent(); 6184 if (comp == null) { 6185 if (intent.getSelector() != null) { 6186 intent = intent.getSelector(); 6187 comp = intent.getComponent(); 6188 } 6189 } 6190 if (comp != null) { 6191 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6192 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6193 if (si != null) { 6194 final ResolveInfo ri = new ResolveInfo(); 6195 ri.serviceInfo = si; 6196 list.add(ri); 6197 } 6198 return list; 6199 } 6200 6201 // reader 6202 synchronized (mPackages) { 6203 String pkgName = intent.getPackage(); 6204 if (pkgName == null) { 6205 return mServices.queryIntent(intent, resolvedType, flags, userId); 6206 } 6207 final PackageParser.Package pkg = mPackages.get(pkgName); 6208 if (pkg != null) { 6209 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6210 userId); 6211 } 6212 return Collections.emptyList(); 6213 } 6214 } 6215 6216 @Override 6217 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6218 String resolvedType, int flags, int userId) { 6219 return new ParceledListSlice<>( 6220 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6221 } 6222 6223 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6224 Intent intent, String resolvedType, int flags, int userId) { 6225 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6226 flags = updateFlagsForResolve(flags, userId, intent); 6227 ComponentName comp = intent.getComponent(); 6228 if (comp == null) { 6229 if (intent.getSelector() != null) { 6230 intent = intent.getSelector(); 6231 comp = intent.getComponent(); 6232 } 6233 } 6234 if (comp != null) { 6235 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6236 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6237 if (pi != null) { 6238 final ResolveInfo ri = new ResolveInfo(); 6239 ri.providerInfo = pi; 6240 list.add(ri); 6241 } 6242 return list; 6243 } 6244 6245 // reader 6246 synchronized (mPackages) { 6247 String pkgName = intent.getPackage(); 6248 if (pkgName == null) { 6249 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6250 } 6251 final PackageParser.Package pkg = mPackages.get(pkgName); 6252 if (pkg != null) { 6253 return mProviders.queryIntentForPackage( 6254 intent, resolvedType, flags, pkg.providers, userId); 6255 } 6256 return Collections.emptyList(); 6257 } 6258 } 6259 6260 @Override 6261 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6262 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6263 flags = updateFlagsForPackage(flags, userId, null); 6264 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6265 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6266 true /* requireFullPermission */, false /* checkShell */, 6267 "get installed packages"); 6268 6269 // writer 6270 synchronized (mPackages) { 6271 ArrayList<PackageInfo> list; 6272 if (listUninstalled) { 6273 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6274 for (PackageSetting ps : mSettings.mPackages.values()) { 6275 final PackageInfo pi; 6276 if (ps.pkg != null) { 6277 pi = generatePackageInfo(ps, flags, userId); 6278 } else { 6279 pi = generatePackageInfo(ps, flags, userId); 6280 } 6281 if (pi != null) { 6282 list.add(pi); 6283 } 6284 } 6285 } else { 6286 list = new ArrayList<PackageInfo>(mPackages.size()); 6287 for (PackageParser.Package p : mPackages.values()) { 6288 final PackageInfo pi = 6289 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6290 if (pi != null) { 6291 list.add(pi); 6292 } 6293 } 6294 } 6295 6296 return new ParceledListSlice<PackageInfo>(list); 6297 } 6298 } 6299 6300 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6301 String[] permissions, boolean[] tmp, int flags, int userId) { 6302 int numMatch = 0; 6303 final PermissionsState permissionsState = ps.getPermissionsState(); 6304 for (int i=0; i<permissions.length; i++) { 6305 final String permission = permissions[i]; 6306 if (permissionsState.hasPermission(permission, userId)) { 6307 tmp[i] = true; 6308 numMatch++; 6309 } else { 6310 tmp[i] = false; 6311 } 6312 } 6313 if (numMatch == 0) { 6314 return; 6315 } 6316 final PackageInfo pi; 6317 if (ps.pkg != null) { 6318 pi = generatePackageInfo(ps, flags, userId); 6319 } else { 6320 pi = generatePackageInfo(ps, flags, userId); 6321 } 6322 // The above might return null in cases of uninstalled apps or install-state 6323 // skew across users/profiles. 6324 if (pi != null) { 6325 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6326 if (numMatch == permissions.length) { 6327 pi.requestedPermissions = permissions; 6328 } else { 6329 pi.requestedPermissions = new String[numMatch]; 6330 numMatch = 0; 6331 for (int i=0; i<permissions.length; i++) { 6332 if (tmp[i]) { 6333 pi.requestedPermissions[numMatch] = permissions[i]; 6334 numMatch++; 6335 } 6336 } 6337 } 6338 } 6339 list.add(pi); 6340 } 6341 } 6342 6343 @Override 6344 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6345 String[] permissions, int flags, int userId) { 6346 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6347 flags = updateFlagsForPackage(flags, userId, permissions); 6348 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6349 6350 // writer 6351 synchronized (mPackages) { 6352 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6353 boolean[] tmpBools = new boolean[permissions.length]; 6354 if (listUninstalled) { 6355 for (PackageSetting ps : mSettings.mPackages.values()) { 6356 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6357 } 6358 } else { 6359 for (PackageParser.Package pkg : mPackages.values()) { 6360 PackageSetting ps = (PackageSetting)pkg.mExtras; 6361 if (ps != null) { 6362 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6363 userId); 6364 } 6365 } 6366 } 6367 6368 return new ParceledListSlice<PackageInfo>(list); 6369 } 6370 } 6371 6372 @Override 6373 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6374 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6375 flags = updateFlagsForApplication(flags, userId, null); 6376 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6377 6378 // writer 6379 synchronized (mPackages) { 6380 ArrayList<ApplicationInfo> list; 6381 if (listUninstalled) { 6382 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6383 for (PackageSetting ps : mSettings.mPackages.values()) { 6384 ApplicationInfo ai; 6385 if (ps.pkg != null) { 6386 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6387 ps.readUserState(userId), userId); 6388 } else { 6389 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6390 } 6391 if (ai != null) { 6392 list.add(ai); 6393 } 6394 } 6395 } else { 6396 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6397 for (PackageParser.Package p : mPackages.values()) { 6398 if (p.mExtras != null) { 6399 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6400 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6401 if (ai != null) { 6402 list.add(ai); 6403 } 6404 } 6405 } 6406 } 6407 6408 return new ParceledListSlice<ApplicationInfo>(list); 6409 } 6410 } 6411 6412 @Override 6413 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6414 if (DISABLE_EPHEMERAL_APPS) { 6415 return null; 6416 } 6417 6418 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6419 "getEphemeralApplications"); 6420 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6421 true /* requireFullPermission */, false /* checkShell */, 6422 "getEphemeralApplications"); 6423 synchronized (mPackages) { 6424 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6425 .getEphemeralApplicationsLPw(userId); 6426 if (ephemeralApps != null) { 6427 return new ParceledListSlice<>(ephemeralApps); 6428 } 6429 } 6430 return null; 6431 } 6432 6433 @Override 6434 public boolean isEphemeralApplication(String packageName, int userId) { 6435 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6436 true /* requireFullPermission */, false /* checkShell */, 6437 "isEphemeral"); 6438 if (DISABLE_EPHEMERAL_APPS) { 6439 return false; 6440 } 6441 6442 if (!isCallerSameApp(packageName)) { 6443 return false; 6444 } 6445 synchronized (mPackages) { 6446 PackageParser.Package pkg = mPackages.get(packageName); 6447 if (pkg != null) { 6448 return pkg.applicationInfo.isEphemeralApp(); 6449 } 6450 } 6451 return false; 6452 } 6453 6454 @Override 6455 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6456 if (DISABLE_EPHEMERAL_APPS) { 6457 return null; 6458 } 6459 6460 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6461 true /* requireFullPermission */, false /* checkShell */, 6462 "getCookie"); 6463 if (!isCallerSameApp(packageName)) { 6464 return null; 6465 } 6466 synchronized (mPackages) { 6467 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6468 packageName, userId); 6469 } 6470 } 6471 6472 @Override 6473 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6474 if (DISABLE_EPHEMERAL_APPS) { 6475 return true; 6476 } 6477 6478 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6479 true /* requireFullPermission */, true /* checkShell */, 6480 "setCookie"); 6481 if (!isCallerSameApp(packageName)) { 6482 return false; 6483 } 6484 synchronized (mPackages) { 6485 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6486 packageName, cookie, userId); 6487 } 6488 } 6489 6490 @Override 6491 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6492 if (DISABLE_EPHEMERAL_APPS) { 6493 return null; 6494 } 6495 6496 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6497 "getEphemeralApplicationIcon"); 6498 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6499 true /* requireFullPermission */, false /* checkShell */, 6500 "getEphemeralApplicationIcon"); 6501 synchronized (mPackages) { 6502 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6503 packageName, userId); 6504 } 6505 } 6506 6507 private boolean isCallerSameApp(String packageName) { 6508 PackageParser.Package pkg = mPackages.get(packageName); 6509 return pkg != null 6510 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6511 } 6512 6513 @Override 6514 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6515 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6516 } 6517 6518 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6519 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6520 6521 // reader 6522 synchronized (mPackages) { 6523 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6524 final int userId = UserHandle.getCallingUserId(); 6525 while (i.hasNext()) { 6526 final PackageParser.Package p = i.next(); 6527 if (p.applicationInfo == null) continue; 6528 6529 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6530 && !p.applicationInfo.isDirectBootAware(); 6531 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6532 && p.applicationInfo.isDirectBootAware(); 6533 6534 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6535 && (!mSafeMode || isSystemApp(p)) 6536 && (matchesUnaware || matchesAware)) { 6537 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6538 if (ps != null) { 6539 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6540 ps.readUserState(userId), userId); 6541 if (ai != null) { 6542 finalList.add(ai); 6543 } 6544 } 6545 } 6546 } 6547 } 6548 6549 return finalList; 6550 } 6551 6552 @Override 6553 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6554 if (!sUserManager.exists(userId)) return null; 6555 flags = updateFlagsForComponent(flags, userId, name); 6556 // reader 6557 synchronized (mPackages) { 6558 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6559 PackageSetting ps = provider != null 6560 ? mSettings.mPackages.get(provider.owner.packageName) 6561 : null; 6562 return ps != null 6563 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6564 ? PackageParser.generateProviderInfo(provider, flags, 6565 ps.readUserState(userId), userId) 6566 : null; 6567 } 6568 } 6569 6570 /** 6571 * @deprecated 6572 */ 6573 @Deprecated 6574 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6575 // reader 6576 synchronized (mPackages) { 6577 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6578 .entrySet().iterator(); 6579 final int userId = UserHandle.getCallingUserId(); 6580 while (i.hasNext()) { 6581 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6582 PackageParser.Provider p = entry.getValue(); 6583 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6584 6585 if (ps != null && p.syncable 6586 && (!mSafeMode || (p.info.applicationInfo.flags 6587 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6588 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6589 ps.readUserState(userId), userId); 6590 if (info != null) { 6591 outNames.add(entry.getKey()); 6592 outInfo.add(info); 6593 } 6594 } 6595 } 6596 } 6597 } 6598 6599 @Override 6600 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6601 int uid, int flags) { 6602 final int userId = processName != null ? UserHandle.getUserId(uid) 6603 : UserHandle.getCallingUserId(); 6604 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6605 flags = updateFlagsForComponent(flags, userId, processName); 6606 6607 ArrayList<ProviderInfo> finalList = null; 6608 // reader 6609 synchronized (mPackages) { 6610 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6611 while (i.hasNext()) { 6612 final PackageParser.Provider p = i.next(); 6613 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6614 if (ps != null && p.info.authority != null 6615 && (processName == null 6616 || (p.info.processName.equals(processName) 6617 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6618 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6619 if (finalList == null) { 6620 finalList = new ArrayList<ProviderInfo>(3); 6621 } 6622 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6623 ps.readUserState(userId), userId); 6624 if (info != null) { 6625 finalList.add(info); 6626 } 6627 } 6628 } 6629 } 6630 6631 if (finalList != null) { 6632 Collections.sort(finalList, mProviderInitOrderSorter); 6633 return new ParceledListSlice<ProviderInfo>(finalList); 6634 } 6635 6636 return ParceledListSlice.emptyList(); 6637 } 6638 6639 @Override 6640 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6641 // reader 6642 synchronized (mPackages) { 6643 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6644 return PackageParser.generateInstrumentationInfo(i, flags); 6645 } 6646 } 6647 6648 @Override 6649 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6650 String targetPackage, int flags) { 6651 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6652 } 6653 6654 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6655 int flags) { 6656 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6657 6658 // reader 6659 synchronized (mPackages) { 6660 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6661 while (i.hasNext()) { 6662 final PackageParser.Instrumentation p = i.next(); 6663 if (targetPackage == null 6664 || targetPackage.equals(p.info.targetPackage)) { 6665 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6666 flags); 6667 if (ii != null) { 6668 finalList.add(ii); 6669 } 6670 } 6671 } 6672 } 6673 6674 return finalList; 6675 } 6676 6677 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6678 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6679 if (overlays == null) { 6680 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6681 return; 6682 } 6683 for (PackageParser.Package opkg : overlays.values()) { 6684 // Not much to do if idmap fails: we already logged the error 6685 // and we certainly don't want to abort installation of pkg simply 6686 // because an overlay didn't fit properly. For these reasons, 6687 // ignore the return value of createIdmapForPackagePairLI. 6688 createIdmapForPackagePairLI(pkg, opkg); 6689 } 6690 } 6691 6692 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6693 PackageParser.Package opkg) { 6694 if (!opkg.mTrustedOverlay) { 6695 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6696 opkg.baseCodePath + ": overlay not trusted"); 6697 return false; 6698 } 6699 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6700 if (overlaySet == null) { 6701 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6702 opkg.baseCodePath + " but target package has no known overlays"); 6703 return false; 6704 } 6705 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6706 // TODO: generate idmap for split APKs 6707 try { 6708 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6709 } catch (InstallerException e) { 6710 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6711 + opkg.baseCodePath); 6712 return false; 6713 } 6714 PackageParser.Package[] overlayArray = 6715 overlaySet.values().toArray(new PackageParser.Package[0]); 6716 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6717 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6718 return p1.mOverlayPriority - p2.mOverlayPriority; 6719 } 6720 }; 6721 Arrays.sort(overlayArray, cmp); 6722 6723 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6724 int i = 0; 6725 for (PackageParser.Package p : overlayArray) { 6726 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6727 } 6728 return true; 6729 } 6730 6731 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6732 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6733 try { 6734 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6735 } finally { 6736 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6737 } 6738 } 6739 6740 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6741 final File[] files = dir.listFiles(); 6742 if (ArrayUtils.isEmpty(files)) { 6743 Log.d(TAG, "No files in app dir " + dir); 6744 return; 6745 } 6746 6747 if (DEBUG_PACKAGE_SCANNING) { 6748 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6749 + " flags=0x" + Integer.toHexString(parseFlags)); 6750 } 6751 6752 for (File file : files) { 6753 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6754 && !PackageInstallerService.isStageName(file.getName()); 6755 if (!isPackage) { 6756 // Ignore entries which are not packages 6757 continue; 6758 } 6759 try { 6760 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6761 scanFlags, currentTime, null); 6762 } catch (PackageManagerException e) { 6763 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6764 6765 // Delete invalid userdata apps 6766 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6767 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6768 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6769 removeCodePathLI(file); 6770 } 6771 } 6772 } 6773 } 6774 6775 private static File getSettingsProblemFile() { 6776 File dataDir = Environment.getDataDirectory(); 6777 File systemDir = new File(dataDir, "system"); 6778 File fname = new File(systemDir, "uiderrors.txt"); 6779 return fname; 6780 } 6781 6782 static void reportSettingsProblem(int priority, String msg) { 6783 logCriticalInfo(priority, msg); 6784 } 6785 6786 static void logCriticalInfo(int priority, String msg) { 6787 Slog.println(priority, TAG, msg); 6788 EventLogTags.writePmCriticalInfo(msg); 6789 try { 6790 File fname = getSettingsProblemFile(); 6791 FileOutputStream out = new FileOutputStream(fname, true); 6792 PrintWriter pw = new FastPrintWriter(out); 6793 SimpleDateFormat formatter = new SimpleDateFormat(); 6794 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6795 pw.println(dateString + ": " + msg); 6796 pw.close(); 6797 FileUtils.setPermissions( 6798 fname.toString(), 6799 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6800 -1, -1); 6801 } catch (java.io.IOException e) { 6802 } 6803 } 6804 6805 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6806 if (srcFile.isDirectory()) { 6807 final File baseFile = new File(pkg.baseCodePath); 6808 long maxModifiedTime = baseFile.lastModified(); 6809 if (pkg.splitCodePaths != null) { 6810 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6811 final File splitFile = new File(pkg.splitCodePaths[i]); 6812 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6813 } 6814 } 6815 return maxModifiedTime; 6816 } 6817 return srcFile.lastModified(); 6818 } 6819 6820 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6821 final int policyFlags) throws PackageManagerException { 6822 if (ps != null 6823 && ps.codePath.equals(srcFile) 6824 && ps.timeStamp == getLastModifiedTime(pkg, srcFile) 6825 && !isCompatSignatureUpdateNeeded(pkg) 6826 && !isRecoverSignatureUpdateNeeded(pkg)) { 6827 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6828 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6829 ArraySet<PublicKey> signingKs; 6830 synchronized (mPackages) { 6831 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6832 } 6833 if (ps.signatures.mSignatures != null 6834 && ps.signatures.mSignatures.length != 0 6835 && signingKs != null) { 6836 // Optimization: reuse the existing cached certificates 6837 // if the package appears to be unchanged. 6838 pkg.mSignatures = ps.signatures.mSignatures; 6839 pkg.mSigningKeys = signingKs; 6840 return; 6841 } 6842 6843 Slog.w(TAG, "PackageSetting for " + ps.name 6844 + " is missing signatures. Collecting certs again to recover them."); 6845 } else { 6846 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6847 } 6848 6849 try { 6850 PackageParser.collectCertificates(pkg, policyFlags); 6851 } catch (PackageParserException e) { 6852 throw PackageManagerException.from(e); 6853 } 6854 } 6855 6856 /** 6857 * Traces a package scan. 6858 * @see #scanPackageLI(File, int, int, long, UserHandle) 6859 */ 6860 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6861 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6862 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6863 try { 6864 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6865 } finally { 6866 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6867 } 6868 } 6869 6870 /** 6871 * Scans a package and returns the newly parsed package. 6872 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6873 */ 6874 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6875 long currentTime, UserHandle user) throws PackageManagerException { 6876 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6877 PackageParser pp = new PackageParser(); 6878 pp.setSeparateProcesses(mSeparateProcesses); 6879 pp.setOnlyCoreApps(mOnlyCore); 6880 pp.setDisplayMetrics(mMetrics); 6881 6882 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6883 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6884 } 6885 6886 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6887 final PackageParser.Package pkg; 6888 try { 6889 pkg = pp.parsePackage(scanFile, parseFlags); 6890 } catch (PackageParserException e) { 6891 throw PackageManagerException.from(e); 6892 } finally { 6893 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6894 } 6895 6896 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6897 } 6898 6899 /** 6900 * Scans a package and returns the newly parsed package. 6901 * @throws PackageManagerException on a parse error. 6902 */ 6903 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6904 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6905 throws PackageManagerException { 6906 // If the package has children and this is the first dive in the function 6907 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6908 // packages (parent and children) would be successfully scanned before the 6909 // actual scan since scanning mutates internal state and we want to atomically 6910 // install the package and its children. 6911 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6912 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6913 scanFlags |= SCAN_CHECK_ONLY; 6914 } 6915 } else { 6916 scanFlags &= ~SCAN_CHECK_ONLY; 6917 } 6918 6919 // Scan the parent 6920 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6921 scanFlags, currentTime, user); 6922 6923 // Scan the children 6924 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6925 for (int i = 0; i < childCount; i++) { 6926 PackageParser.Package childPackage = pkg.childPackages.get(i); 6927 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6928 currentTime, user); 6929 } 6930 6931 6932 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6933 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6934 } 6935 6936 return scannedPkg; 6937 } 6938 6939 /** 6940 * Scans a package and returns the newly parsed package. 6941 * @throws PackageManagerException on a parse error. 6942 */ 6943 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6944 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6945 throws PackageManagerException { 6946 PackageSetting ps = null; 6947 PackageSetting updatedPkg; 6948 // reader 6949 synchronized (mPackages) { 6950 // Look to see if we already know about this package. 6951 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6952 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6953 // This package has been renamed to its original name. Let's 6954 // use that. 6955 ps = mSettings.peekPackageLPr(oldName); 6956 } 6957 // If there was no original package, see one for the real package name. 6958 if (ps == null) { 6959 ps = mSettings.peekPackageLPr(pkg.packageName); 6960 } 6961 // Check to see if this package could be hiding/updating a system 6962 // package. Must look for it either under the original or real 6963 // package name depending on our state. 6964 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6965 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6966 6967 // If this is a package we don't know about on the system partition, we 6968 // may need to remove disabled child packages on the system partition 6969 // or may need to not add child packages if the parent apk is updated 6970 // on the data partition and no longer defines this child package. 6971 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6972 // If this is a parent package for an updated system app and this system 6973 // app got an OTA update which no longer defines some of the child packages 6974 // we have to prune them from the disabled system packages. 6975 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6976 if (disabledPs != null) { 6977 final int scannedChildCount = (pkg.childPackages != null) 6978 ? pkg.childPackages.size() : 0; 6979 final int disabledChildCount = disabledPs.childPackageNames != null 6980 ? disabledPs.childPackageNames.size() : 0; 6981 for (int i = 0; i < disabledChildCount; i++) { 6982 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6983 boolean disabledPackageAvailable = false; 6984 for (int j = 0; j < scannedChildCount; j++) { 6985 PackageParser.Package childPkg = pkg.childPackages.get(j); 6986 if (childPkg.packageName.equals(disabledChildPackageName)) { 6987 disabledPackageAvailable = true; 6988 break; 6989 } 6990 } 6991 if (!disabledPackageAvailable) { 6992 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6993 } 6994 } 6995 } 6996 } 6997 } 6998 6999 boolean updatedPkgBetter = false; 7000 // First check if this is a system package that may involve an update 7001 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7002 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7003 // it needs to drop FLAG_PRIVILEGED. 7004 if (locationIsPrivileged(scanFile)) { 7005 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7006 } else { 7007 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7008 } 7009 7010 if (ps != null && !ps.codePath.equals(scanFile)) { 7011 // The path has changed from what was last scanned... check the 7012 // version of the new path against what we have stored to determine 7013 // what to do. 7014 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7015 if (pkg.mVersionCode <= ps.versionCode) { 7016 // The system package has been updated and the code path does not match 7017 // Ignore entry. Skip it. 7018 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7019 + " ignored: updated version " + ps.versionCode 7020 + " better than this " + pkg.mVersionCode); 7021 if (!updatedPkg.codePath.equals(scanFile)) { 7022 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7023 + ps.name + " changing from " + updatedPkg.codePathString 7024 + " to " + scanFile); 7025 updatedPkg.codePath = scanFile; 7026 updatedPkg.codePathString = scanFile.toString(); 7027 updatedPkg.resourcePath = scanFile; 7028 updatedPkg.resourcePathString = scanFile.toString(); 7029 } 7030 updatedPkg.pkg = pkg; 7031 updatedPkg.versionCode = pkg.mVersionCode; 7032 7033 // Update the disabled system child packages to point to the package too. 7034 final int childCount = updatedPkg.childPackageNames != null 7035 ? updatedPkg.childPackageNames.size() : 0; 7036 for (int i = 0; i < childCount; i++) { 7037 String childPackageName = updatedPkg.childPackageNames.get(i); 7038 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7039 childPackageName); 7040 if (updatedChildPkg != null) { 7041 updatedChildPkg.pkg = pkg; 7042 updatedChildPkg.versionCode = pkg.mVersionCode; 7043 } 7044 } 7045 7046 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7047 + scanFile + " ignored: updated version " + ps.versionCode 7048 + " better than this " + pkg.mVersionCode); 7049 } else { 7050 // The current app on the system partition is better than 7051 // what we have updated to on the data partition; switch 7052 // back to the system partition version. 7053 // At this point, its safely assumed that package installation for 7054 // apps in system partition will go through. If not there won't be a working 7055 // version of the app 7056 // writer 7057 synchronized (mPackages) { 7058 // Just remove the loaded entries from package lists. 7059 mPackages.remove(ps.name); 7060 } 7061 7062 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7063 + " reverting from " + ps.codePathString 7064 + ": new version " + pkg.mVersionCode 7065 + " better than installed " + ps.versionCode); 7066 7067 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7068 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7069 synchronized (mInstallLock) { 7070 args.cleanUpResourcesLI(); 7071 } 7072 synchronized (mPackages) { 7073 mSettings.enableSystemPackageLPw(ps.name); 7074 } 7075 updatedPkgBetter = true; 7076 } 7077 } 7078 } 7079 7080 if (updatedPkg != null) { 7081 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7082 // initially 7083 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7084 7085 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7086 // flag set initially 7087 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7088 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7089 } 7090 } 7091 7092 // Verify certificates against what was last scanned 7093 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7094 7095 /* 7096 * A new system app appeared, but we already had a non-system one of the 7097 * same name installed earlier. 7098 */ 7099 boolean shouldHideSystemApp = false; 7100 if (updatedPkg == null && ps != null 7101 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7102 /* 7103 * Check to make sure the signatures match first. If they don't, 7104 * wipe the installed application and its data. 7105 */ 7106 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7107 != PackageManager.SIGNATURE_MATCH) { 7108 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7109 + " signatures don't match existing userdata copy; removing"); 7110 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7111 "scanPackageInternalLI")) { 7112 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7113 } 7114 ps = null; 7115 } else { 7116 /* 7117 * If the newly-added system app is an older version than the 7118 * already installed version, hide it. It will be scanned later 7119 * and re-added like an update. 7120 */ 7121 if (pkg.mVersionCode <= ps.versionCode) { 7122 shouldHideSystemApp = true; 7123 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7124 + " but new version " + pkg.mVersionCode + " better than installed " 7125 + ps.versionCode + "; hiding system"); 7126 } else { 7127 /* 7128 * The newly found system app is a newer version that the 7129 * one previously installed. Simply remove the 7130 * already-installed application and replace it with our own 7131 * while keeping the application data. 7132 */ 7133 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7134 + " reverting from " + ps.codePathString + ": new version " 7135 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7136 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7137 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7138 synchronized (mInstallLock) { 7139 args.cleanUpResourcesLI(); 7140 } 7141 } 7142 } 7143 } 7144 7145 // The apk is forward locked (not public) if its code and resources 7146 // are kept in different files. (except for app in either system or 7147 // vendor path). 7148 // TODO grab this value from PackageSettings 7149 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7150 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7151 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7152 } 7153 } 7154 7155 // TODO: extend to support forward-locked splits 7156 String resourcePath = null; 7157 String baseResourcePath = null; 7158 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7159 if (ps != null && ps.resourcePathString != null) { 7160 resourcePath = ps.resourcePathString; 7161 baseResourcePath = ps.resourcePathString; 7162 } else { 7163 // Should not happen at all. Just log an error. 7164 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7165 } 7166 } else { 7167 resourcePath = pkg.codePath; 7168 baseResourcePath = pkg.baseCodePath; 7169 } 7170 7171 // Set application objects path explicitly. 7172 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7173 pkg.setApplicationInfoCodePath(pkg.codePath); 7174 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7175 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7176 pkg.setApplicationInfoResourcePath(resourcePath); 7177 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7178 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7179 7180 // Note that we invoke the following method only if we are about to unpack an application 7181 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7182 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7183 7184 /* 7185 * If the system app should be overridden by a previously installed 7186 * data, hide the system app now and let the /data/app scan pick it up 7187 * again. 7188 */ 7189 if (shouldHideSystemApp) { 7190 synchronized (mPackages) { 7191 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7192 } 7193 } 7194 7195 return scannedPkg; 7196 } 7197 7198 private static String fixProcessName(String defProcessName, 7199 String processName, int uid) { 7200 if (processName == null) { 7201 return defProcessName; 7202 } 7203 return processName; 7204 } 7205 7206 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7207 throws PackageManagerException { 7208 if (pkgSetting.signatures.mSignatures != null) { 7209 // Already existing package. Make sure signatures match 7210 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7211 == PackageManager.SIGNATURE_MATCH; 7212 if (!match) { 7213 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7214 == PackageManager.SIGNATURE_MATCH; 7215 } 7216 if (!match) { 7217 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7218 == PackageManager.SIGNATURE_MATCH; 7219 } 7220 if (!match) { 7221 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7222 + pkg.packageName + " signatures do not match the " 7223 + "previously installed version; ignoring!"); 7224 } 7225 } 7226 7227 // Check for shared user signatures 7228 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7229 // Already existing package. Make sure signatures match 7230 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7231 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7232 if (!match) { 7233 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7234 == PackageManager.SIGNATURE_MATCH; 7235 } 7236 if (!match) { 7237 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7238 == PackageManager.SIGNATURE_MATCH; 7239 } 7240 if (!match) { 7241 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7242 "Package " + pkg.packageName 7243 + " has no signatures that match those in shared user " 7244 + pkgSetting.sharedUser.name + "; ignoring!"); 7245 } 7246 } 7247 } 7248 7249 /** 7250 * Enforces that only the system UID or root's UID can call a method exposed 7251 * via Binder. 7252 * 7253 * @param message used as message if SecurityException is thrown 7254 * @throws SecurityException if the caller is not system or root 7255 */ 7256 private static final void enforceSystemOrRoot(String message) { 7257 final int uid = Binder.getCallingUid(); 7258 if (uid != Process.SYSTEM_UID && uid != 0) { 7259 throw new SecurityException(message); 7260 } 7261 } 7262 7263 @Override 7264 public void performFstrimIfNeeded() { 7265 enforceSystemOrRoot("Only the system can request fstrim"); 7266 7267 // Before everything else, see whether we need to fstrim. 7268 try { 7269 IMountService ms = PackageHelper.getMountService(); 7270 if (ms != null) { 7271 final boolean isUpgrade = isUpgrade(); 7272 boolean doTrim = isUpgrade; 7273 if (doTrim) { 7274 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7275 } else { 7276 final long interval = android.provider.Settings.Global.getLong( 7277 mContext.getContentResolver(), 7278 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7279 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7280 if (interval > 0) { 7281 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7282 if (timeSinceLast > interval) { 7283 doTrim = true; 7284 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7285 + "; running immediately"); 7286 } 7287 } 7288 } 7289 if (doTrim) { 7290 if (!isFirstBoot()) { 7291 try { 7292 ActivityManagerNative.getDefault().showBootMessage( 7293 mContext.getResources().getString( 7294 R.string.android_upgrading_fstrim), true); 7295 } catch (RemoteException e) { 7296 } 7297 } 7298 ms.runMaintenance(); 7299 } 7300 } else { 7301 Slog.e(TAG, "Mount service unavailable!"); 7302 } 7303 } catch (RemoteException e) { 7304 // Can't happen; MountService is local 7305 } 7306 } 7307 7308 @Override 7309 public void updatePackagesIfNeeded() { 7310 enforceSystemOrRoot("Only the system can request package update"); 7311 7312 // We need to re-extract after an OTA. 7313 boolean causeUpgrade = isUpgrade(); 7314 7315 // First boot or factory reset. 7316 // Note: we also handle devices that are upgrading to N right now as if it is their 7317 // first boot, as they do not have profile data. 7318 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7319 7320 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7321 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7322 7323 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7324 return; 7325 } 7326 7327 List<PackageParser.Package> pkgs; 7328 synchronized (mPackages) { 7329 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7330 } 7331 7332 final long startTime = System.nanoTime(); 7333 final int[] stats = performDexOpt(pkgs, mIsPreNUpgrade /* showDialog */, 7334 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7335 7336 final int elapsedTimeSeconds = 7337 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7338 7339 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7340 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7341 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7342 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7343 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7344 } 7345 7346 /** 7347 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7348 * containing statistics about the invocation. The array consists of three elements, 7349 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7350 * and {@code numberOfPackagesFailed}. 7351 */ 7352 private int[] performDexOpt(List<PackageParser.Package> pkgs, boolean showDialog, 7353 String compilerFilter) { 7354 7355 int numberOfPackagesVisited = 0; 7356 int numberOfPackagesOptimized = 0; 7357 int numberOfPackagesSkipped = 0; 7358 int numberOfPackagesFailed = 0; 7359 final int numberOfPackagesToDexopt = pkgs.size(); 7360 7361 for (PackageParser.Package pkg : pkgs) { 7362 numberOfPackagesVisited++; 7363 7364 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7365 if (DEBUG_DEXOPT) { 7366 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7367 } 7368 numberOfPackagesSkipped++; 7369 continue; 7370 } 7371 7372 if (DEBUG_DEXOPT) { 7373 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7374 numberOfPackagesToDexopt + ": " + pkg.packageName); 7375 } 7376 7377 if (showDialog) { 7378 try { 7379 ActivityManagerNative.getDefault().showBootMessage( 7380 mContext.getResources().getString(R.string.android_upgrading_apk, 7381 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7382 } catch (RemoteException e) { 7383 } 7384 } 7385 7386 // checkProfiles is false to avoid merging profiles during boot which 7387 // might interfere with background compilation (b/28612421). 7388 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7389 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7390 // trade-off worth doing to save boot time work. 7391 int dexOptStatus = performDexOptTraced(pkg.packageName, 7392 false /* checkProfiles */, 7393 compilerFilter, 7394 false /* force */); 7395 switch (dexOptStatus) { 7396 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7397 numberOfPackagesOptimized++; 7398 break; 7399 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7400 numberOfPackagesSkipped++; 7401 break; 7402 case PackageDexOptimizer.DEX_OPT_FAILED: 7403 numberOfPackagesFailed++; 7404 break; 7405 default: 7406 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7407 break; 7408 } 7409 } 7410 7411 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7412 numberOfPackagesFailed }; 7413 } 7414 7415 @Override 7416 public void notifyPackageUse(String packageName, int reason) { 7417 synchronized (mPackages) { 7418 PackageParser.Package p = mPackages.get(packageName); 7419 if (p == null) { 7420 return; 7421 } 7422 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7423 } 7424 } 7425 7426 // TODO: this is not used nor needed. Delete it. 7427 @Override 7428 public boolean performDexOptIfNeeded(String packageName) { 7429 int dexOptStatus = performDexOptTraced(packageName, 7430 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7431 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7432 } 7433 7434 @Override 7435 public boolean performDexOpt(String packageName, 7436 boolean checkProfiles, int compileReason, boolean force) { 7437 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7438 getCompilerFilterForReason(compileReason), force); 7439 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7440 } 7441 7442 @Override 7443 public boolean performDexOptMode(String packageName, 7444 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7445 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7446 targetCompilerFilter, force); 7447 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7448 } 7449 7450 private int performDexOptTraced(String packageName, 7451 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7452 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7453 try { 7454 return performDexOptInternal(packageName, checkProfiles, 7455 targetCompilerFilter, force); 7456 } finally { 7457 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7458 } 7459 } 7460 7461 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7462 // if the package can now be considered up to date for the given filter. 7463 private int performDexOptInternal(String packageName, 7464 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7465 PackageParser.Package p; 7466 synchronized (mPackages) { 7467 p = mPackages.get(packageName); 7468 if (p == null) { 7469 // Package could not be found. Report failure. 7470 return PackageDexOptimizer.DEX_OPT_FAILED; 7471 } 7472 mPackageUsage.write(false); 7473 } 7474 long callingId = Binder.clearCallingIdentity(); 7475 try { 7476 synchronized (mInstallLock) { 7477 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7478 targetCompilerFilter, force); 7479 } 7480 } finally { 7481 Binder.restoreCallingIdentity(callingId); 7482 } 7483 } 7484 7485 public ArraySet<String> getOptimizablePackages() { 7486 ArraySet<String> pkgs = new ArraySet<String>(); 7487 synchronized (mPackages) { 7488 for (PackageParser.Package p : mPackages.values()) { 7489 if (PackageDexOptimizer.canOptimizePackage(p)) { 7490 pkgs.add(p.packageName); 7491 } 7492 } 7493 } 7494 return pkgs; 7495 } 7496 7497 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7498 boolean checkProfiles, String targetCompilerFilter, 7499 boolean force) { 7500 // Select the dex optimizer based on the force parameter. 7501 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7502 // allocate an object here. 7503 PackageDexOptimizer pdo = force 7504 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7505 : mPackageDexOptimizer; 7506 7507 // Optimize all dependencies first. Note: we ignore the return value and march on 7508 // on errors. 7509 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7510 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7511 if (!deps.isEmpty()) { 7512 for (PackageParser.Package depPackage : deps) { 7513 // TODO: Analyze and investigate if we (should) profile libraries. 7514 // Currently this will do a full compilation of the library by default. 7515 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7516 false /* checkProfiles */, 7517 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7518 } 7519 } 7520 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7521 targetCompilerFilter); 7522 } 7523 7524 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7525 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7526 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7527 Set<String> collectedNames = new HashSet<>(); 7528 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7529 7530 retValue.remove(p); 7531 7532 return retValue; 7533 } else { 7534 return Collections.emptyList(); 7535 } 7536 } 7537 7538 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7539 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7540 if (!collectedNames.contains(p.packageName)) { 7541 collectedNames.add(p.packageName); 7542 collected.add(p); 7543 7544 if (p.usesLibraries != null) { 7545 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7546 } 7547 if (p.usesOptionalLibraries != null) { 7548 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7549 collectedNames); 7550 } 7551 } 7552 } 7553 7554 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7555 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7556 for (String libName : libs) { 7557 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7558 if (libPkg != null) { 7559 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7560 } 7561 } 7562 } 7563 7564 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7565 synchronized (mPackages) { 7566 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7567 if (lib != null && lib.apk != null) { 7568 return mPackages.get(lib.apk); 7569 } 7570 } 7571 return null; 7572 } 7573 7574 public void shutdown() { 7575 mPackageUsage.write(true); 7576 } 7577 7578 @Override 7579 public void dumpProfiles(String packageName) { 7580 PackageParser.Package pkg; 7581 synchronized (mPackages) { 7582 pkg = mPackages.get(packageName); 7583 if (pkg == null) { 7584 throw new IllegalArgumentException("Unknown package: " + packageName); 7585 } 7586 } 7587 /* Only the shell, root, or the app user should be able to dump profiles. */ 7588 int callingUid = Binder.getCallingUid(); 7589 if (callingUid != Process.SHELL_UID && 7590 callingUid != Process.ROOT_UID && 7591 callingUid != pkg.applicationInfo.uid) { 7592 throw new SecurityException("dumpProfiles"); 7593 } 7594 7595 synchronized (mInstallLock) { 7596 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7597 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7598 try { 7599 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7600 String gid = Integer.toString(sharedGid); 7601 String codePaths = TextUtils.join(";", allCodePaths); 7602 mInstaller.dumpProfiles(gid, packageName, codePaths); 7603 } catch (InstallerException e) { 7604 Slog.w(TAG, "Failed to dump profiles", e); 7605 } 7606 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7607 } 7608 } 7609 7610 @Override 7611 public void forceDexOpt(String packageName) { 7612 enforceSystemOrRoot("forceDexOpt"); 7613 7614 PackageParser.Package pkg; 7615 synchronized (mPackages) { 7616 pkg = mPackages.get(packageName); 7617 if (pkg == null) { 7618 throw new IllegalArgumentException("Unknown package: " + packageName); 7619 } 7620 } 7621 7622 synchronized (mInstallLock) { 7623 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7624 7625 // Whoever is calling forceDexOpt wants a fully compiled package. 7626 // Don't use profiles since that may cause compilation to be skipped. 7627 final int res = performDexOptInternalWithDependenciesLI(pkg, 7628 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7629 true /* force */); 7630 7631 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7632 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7633 throw new IllegalStateException("Failed to dexopt: " + res); 7634 } 7635 } 7636 } 7637 7638 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7639 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7640 Slog.w(TAG, "Unable to update from " + oldPkg.name 7641 + " to " + newPkg.packageName 7642 + ": old package not in system partition"); 7643 return false; 7644 } else if (mPackages.get(oldPkg.name) != null) { 7645 Slog.w(TAG, "Unable to update from " + oldPkg.name 7646 + " to " + newPkg.packageName 7647 + ": old package still exists"); 7648 return false; 7649 } 7650 return true; 7651 } 7652 7653 void removeCodePathLI(File codePath) { 7654 if (codePath.isDirectory()) { 7655 try { 7656 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7657 } catch (InstallerException e) { 7658 Slog.w(TAG, "Failed to remove code path", e); 7659 } 7660 } else { 7661 codePath.delete(); 7662 } 7663 } 7664 7665 private int[] resolveUserIds(int userId) { 7666 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7667 } 7668 7669 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7670 if (pkg == null) { 7671 Slog.wtf(TAG, "Package was null!", new Throwable()); 7672 return; 7673 } 7674 clearAppDataLeafLIF(pkg, userId, flags); 7675 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7676 for (int i = 0; i < childCount; i++) { 7677 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7678 } 7679 } 7680 7681 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7682 final PackageSetting ps; 7683 synchronized (mPackages) { 7684 ps = mSettings.mPackages.get(pkg.packageName); 7685 } 7686 for (int realUserId : resolveUserIds(userId)) { 7687 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7688 try { 7689 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7690 ceDataInode); 7691 } catch (InstallerException e) { 7692 Slog.w(TAG, String.valueOf(e)); 7693 } 7694 } 7695 } 7696 7697 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7698 if (pkg == null) { 7699 Slog.wtf(TAG, "Package was null!", new Throwable()); 7700 return; 7701 } 7702 destroyAppDataLeafLIF(pkg, userId, flags); 7703 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7704 for (int i = 0; i < childCount; i++) { 7705 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7706 } 7707 } 7708 7709 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7710 final PackageSetting ps; 7711 synchronized (mPackages) { 7712 ps = mSettings.mPackages.get(pkg.packageName); 7713 } 7714 for (int realUserId : resolveUserIds(userId)) { 7715 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7716 try { 7717 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7718 ceDataInode); 7719 } catch (InstallerException e) { 7720 Slog.w(TAG, String.valueOf(e)); 7721 } 7722 } 7723 } 7724 7725 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7726 if (pkg == null) { 7727 Slog.wtf(TAG, "Package was null!", new Throwable()); 7728 return; 7729 } 7730 destroyAppProfilesLeafLIF(pkg); 7731 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7732 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7733 for (int i = 0; i < childCount; i++) { 7734 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7735 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7736 true /* removeBaseMarker */); 7737 } 7738 } 7739 7740 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7741 boolean removeBaseMarker) { 7742 if (pkg.isForwardLocked()) { 7743 return; 7744 } 7745 7746 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7747 try { 7748 path = PackageManagerServiceUtils.realpath(new File(path)); 7749 } catch (IOException e) { 7750 // TODO: Should we return early here ? 7751 Slog.w(TAG, "Failed to get canonical path", e); 7752 continue; 7753 } 7754 7755 final String useMarker = path.replace('/', '@'); 7756 for (int realUserId : resolveUserIds(userId)) { 7757 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7758 if (removeBaseMarker) { 7759 File foreignUseMark = new File(profileDir, useMarker); 7760 if (foreignUseMark.exists()) { 7761 if (!foreignUseMark.delete()) { 7762 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7763 + pkg.packageName); 7764 } 7765 } 7766 } 7767 7768 File[] markers = profileDir.listFiles(); 7769 if (markers != null) { 7770 final String searchString = "@" + pkg.packageName + "@"; 7771 // We also delete all markers that contain the package name we're 7772 // uninstalling. These are associated with secondary dex-files belonging 7773 // to the package. Reconstructing the path of these dex files is messy 7774 // in general. 7775 for (File marker : markers) { 7776 if (marker.getName().indexOf(searchString) > 0) { 7777 if (!marker.delete()) { 7778 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7779 + pkg.packageName); 7780 } 7781 } 7782 } 7783 } 7784 } 7785 } 7786 } 7787 7788 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7789 try { 7790 mInstaller.destroyAppProfiles(pkg.packageName); 7791 } catch (InstallerException e) { 7792 Slog.w(TAG, String.valueOf(e)); 7793 } 7794 } 7795 7796 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7797 if (pkg == null) { 7798 Slog.wtf(TAG, "Package was null!", new Throwable()); 7799 return; 7800 } 7801 clearAppProfilesLeafLIF(pkg); 7802 // We don't remove the base foreign use marker when clearing profiles because 7803 // we will rename it when the app is updated. Unlike the actual profile contents, 7804 // the foreign use marker is good across installs. 7805 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7806 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7807 for (int i = 0; i < childCount; i++) { 7808 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7809 } 7810 } 7811 7812 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7813 try { 7814 mInstaller.clearAppProfiles(pkg.packageName); 7815 } catch (InstallerException e) { 7816 Slog.w(TAG, String.valueOf(e)); 7817 } 7818 } 7819 7820 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7821 long lastUpdateTime) { 7822 // Set parent install/update time 7823 PackageSetting ps = (PackageSetting) pkg.mExtras; 7824 if (ps != null) { 7825 ps.firstInstallTime = firstInstallTime; 7826 ps.lastUpdateTime = lastUpdateTime; 7827 } 7828 // Set children install/update time 7829 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7830 for (int i = 0; i < childCount; i++) { 7831 PackageParser.Package childPkg = pkg.childPackages.get(i); 7832 ps = (PackageSetting) childPkg.mExtras; 7833 if (ps != null) { 7834 ps.firstInstallTime = firstInstallTime; 7835 ps.lastUpdateTime = lastUpdateTime; 7836 } 7837 } 7838 } 7839 7840 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7841 PackageParser.Package changingLib) { 7842 if (file.path != null) { 7843 usesLibraryFiles.add(file.path); 7844 return; 7845 } 7846 PackageParser.Package p = mPackages.get(file.apk); 7847 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7848 // If we are doing this while in the middle of updating a library apk, 7849 // then we need to make sure to use that new apk for determining the 7850 // dependencies here. (We haven't yet finished committing the new apk 7851 // to the package manager state.) 7852 if (p == null || p.packageName.equals(changingLib.packageName)) { 7853 p = changingLib; 7854 } 7855 } 7856 if (p != null) { 7857 usesLibraryFiles.addAll(p.getAllCodePaths()); 7858 } 7859 } 7860 7861 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7862 PackageParser.Package changingLib) throws PackageManagerException { 7863 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7864 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7865 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7866 for (int i=0; i<N; i++) { 7867 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7868 if (file == null) { 7869 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7870 "Package " + pkg.packageName + " requires unavailable shared library " 7871 + pkg.usesLibraries.get(i) + "; failing!"); 7872 } 7873 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7874 } 7875 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7876 for (int i=0; i<N; i++) { 7877 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7878 if (file == null) { 7879 Slog.w(TAG, "Package " + pkg.packageName 7880 + " desires unavailable shared library " 7881 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7882 } else { 7883 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7884 } 7885 } 7886 N = usesLibraryFiles.size(); 7887 if (N > 0) { 7888 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7889 } else { 7890 pkg.usesLibraryFiles = null; 7891 } 7892 } 7893 } 7894 7895 private static boolean hasString(List<String> list, List<String> which) { 7896 if (list == null) { 7897 return false; 7898 } 7899 for (int i=list.size()-1; i>=0; i--) { 7900 for (int j=which.size()-1; j>=0; j--) { 7901 if (which.get(j).equals(list.get(i))) { 7902 return true; 7903 } 7904 } 7905 } 7906 return false; 7907 } 7908 7909 private void updateAllSharedLibrariesLPw() { 7910 for (PackageParser.Package pkg : mPackages.values()) { 7911 try { 7912 updateSharedLibrariesLPw(pkg, null); 7913 } catch (PackageManagerException e) { 7914 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7915 } 7916 } 7917 } 7918 7919 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7920 PackageParser.Package changingPkg) { 7921 ArrayList<PackageParser.Package> res = null; 7922 for (PackageParser.Package pkg : mPackages.values()) { 7923 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7924 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7925 if (res == null) { 7926 res = new ArrayList<PackageParser.Package>(); 7927 } 7928 res.add(pkg); 7929 try { 7930 updateSharedLibrariesLPw(pkg, changingPkg); 7931 } catch (PackageManagerException e) { 7932 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7933 } 7934 } 7935 } 7936 return res; 7937 } 7938 7939 /** 7940 * Derive the value of the {@code cpuAbiOverride} based on the provided 7941 * value and an optional stored value from the package settings. 7942 */ 7943 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7944 String cpuAbiOverride = null; 7945 7946 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7947 cpuAbiOverride = null; 7948 } else if (abiOverride != null) { 7949 cpuAbiOverride = abiOverride; 7950 } else if (settings != null) { 7951 cpuAbiOverride = settings.cpuAbiOverrideString; 7952 } 7953 7954 return cpuAbiOverride; 7955 } 7956 7957 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7958 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7959 throws PackageManagerException { 7960 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7961 // If the package has children and this is the first dive in the function 7962 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7963 // whether all packages (parent and children) would be successfully scanned 7964 // before the actual scan since scanning mutates internal state and we want 7965 // to atomically install the package and its children. 7966 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7967 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7968 scanFlags |= SCAN_CHECK_ONLY; 7969 } 7970 } else { 7971 scanFlags &= ~SCAN_CHECK_ONLY; 7972 } 7973 7974 final PackageParser.Package scannedPkg; 7975 try { 7976 // Scan the parent 7977 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7978 // Scan the children 7979 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7980 for (int i = 0; i < childCount; i++) { 7981 PackageParser.Package childPkg = pkg.childPackages.get(i); 7982 scanPackageLI(childPkg, policyFlags, 7983 scanFlags, currentTime, user); 7984 } 7985 } finally { 7986 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7987 } 7988 7989 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7990 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7991 } 7992 7993 return scannedPkg; 7994 } 7995 7996 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7997 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7998 boolean success = false; 7999 try { 8000 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8001 currentTime, user); 8002 success = true; 8003 return res; 8004 } finally { 8005 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8006 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8007 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8008 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8009 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8010 } 8011 } 8012 } 8013 8014 /** 8015 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8016 */ 8017 private static boolean apkHasCode(String fileName) { 8018 StrictJarFile jarFile = null; 8019 try { 8020 jarFile = new StrictJarFile(fileName, 8021 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8022 return jarFile.findEntry("classes.dex") != null; 8023 } catch (IOException ignore) { 8024 } finally { 8025 try { 8026 if (jarFile != null) { 8027 jarFile.close(); 8028 } 8029 } catch (IOException ignore) {} 8030 } 8031 return false; 8032 } 8033 8034 /** 8035 * Enforces code policy for the package. This ensures that if an APK has 8036 * declared hasCode="true" in its manifest that the APK actually contains 8037 * code. 8038 * 8039 * @throws PackageManagerException If bytecode could not be found when it should exist 8040 */ 8041 private static void enforceCodePolicy(PackageParser.Package pkg) 8042 throws PackageManagerException { 8043 final boolean shouldHaveCode = 8044 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8045 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8046 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8047 "Package " + pkg.baseCodePath + " code is missing"); 8048 } 8049 8050 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8051 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8052 final boolean splitShouldHaveCode = 8053 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8054 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8055 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8056 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8057 } 8058 } 8059 } 8060 } 8061 8062 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8063 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8064 throws PackageManagerException { 8065 final File scanFile = new File(pkg.codePath); 8066 if (pkg.applicationInfo.getCodePath() == null || 8067 pkg.applicationInfo.getResourcePath() == null) { 8068 // Bail out. The resource and code paths haven't been set. 8069 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8070 "Code and resource paths haven't been set correctly"); 8071 } 8072 8073 // Apply policy 8074 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8075 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8076 if (pkg.applicationInfo.isDirectBootAware()) { 8077 // we're direct boot aware; set for all components 8078 for (PackageParser.Service s : pkg.services) { 8079 s.info.encryptionAware = s.info.directBootAware = true; 8080 } 8081 for (PackageParser.Provider p : pkg.providers) { 8082 p.info.encryptionAware = p.info.directBootAware = true; 8083 } 8084 for (PackageParser.Activity a : pkg.activities) { 8085 a.info.encryptionAware = a.info.directBootAware = true; 8086 } 8087 for (PackageParser.Activity r : pkg.receivers) { 8088 r.info.encryptionAware = r.info.directBootAware = true; 8089 } 8090 } 8091 } else { 8092 // Only allow system apps to be flagged as core apps. 8093 pkg.coreApp = false; 8094 // clear flags not applicable to regular apps 8095 pkg.applicationInfo.privateFlags &= 8096 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8097 pkg.applicationInfo.privateFlags &= 8098 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8099 } 8100 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8101 8102 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8103 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8104 } 8105 8106 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8107 enforceCodePolicy(pkg); 8108 } 8109 8110 if (mCustomResolverComponentName != null && 8111 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8112 setUpCustomResolverActivity(pkg); 8113 } 8114 8115 if (pkg.packageName.equals("android")) { 8116 synchronized (mPackages) { 8117 if (mAndroidApplication != null) { 8118 Slog.w(TAG, "*************************************************"); 8119 Slog.w(TAG, "Core android package being redefined. Skipping."); 8120 Slog.w(TAG, " file=" + scanFile); 8121 Slog.w(TAG, "*************************************************"); 8122 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8123 "Core android package being redefined. Skipping."); 8124 } 8125 8126 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8127 // Set up information for our fall-back user intent resolution activity. 8128 mPlatformPackage = pkg; 8129 pkg.mVersionCode = mSdkVersion; 8130 mAndroidApplication = pkg.applicationInfo; 8131 8132 if (!mResolverReplaced) { 8133 mResolveActivity.applicationInfo = mAndroidApplication; 8134 mResolveActivity.name = ResolverActivity.class.getName(); 8135 mResolveActivity.packageName = mAndroidApplication.packageName; 8136 mResolveActivity.processName = "system:ui"; 8137 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8138 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8139 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8140 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8141 mResolveActivity.exported = true; 8142 mResolveActivity.enabled = true; 8143 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8144 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8145 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8146 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8147 | ActivityInfo.CONFIG_ORIENTATION 8148 | ActivityInfo.CONFIG_KEYBOARD 8149 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8150 mResolveInfo.activityInfo = mResolveActivity; 8151 mResolveInfo.priority = 0; 8152 mResolveInfo.preferredOrder = 0; 8153 mResolveInfo.match = 0; 8154 mResolveComponentName = new ComponentName( 8155 mAndroidApplication.packageName, mResolveActivity.name); 8156 } 8157 } 8158 } 8159 } 8160 8161 if (DEBUG_PACKAGE_SCANNING) { 8162 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8163 Log.d(TAG, "Scanning package " + pkg.packageName); 8164 } 8165 8166 synchronized (mPackages) { 8167 if (mPackages.containsKey(pkg.packageName) 8168 || mSharedLibraries.containsKey(pkg.packageName)) { 8169 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8170 "Application package " + pkg.packageName 8171 + " already installed. Skipping duplicate."); 8172 } 8173 8174 // If we're only installing presumed-existing packages, require that the 8175 // scanned APK is both already known and at the path previously established 8176 // for it. Previously unknown packages we pick up normally, but if we have an 8177 // a priori expectation about this package's install presence, enforce it. 8178 // With a singular exception for new system packages. When an OTA contains 8179 // a new system package, we allow the codepath to change from a system location 8180 // to the user-installed location. If we don't allow this change, any newer, 8181 // user-installed version of the application will be ignored. 8182 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8183 if (mExpectingBetter.containsKey(pkg.packageName)) { 8184 logCriticalInfo(Log.WARN, 8185 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8186 } else { 8187 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8188 if (known != null) { 8189 if (DEBUG_PACKAGE_SCANNING) { 8190 Log.d(TAG, "Examining " + pkg.codePath 8191 + " and requiring known paths " + known.codePathString 8192 + " & " + known.resourcePathString); 8193 } 8194 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8195 || !pkg.applicationInfo.getResourcePath().equals( 8196 known.resourcePathString)) { 8197 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8198 "Application package " + pkg.packageName 8199 + " found at " + pkg.applicationInfo.getCodePath() 8200 + " but expected at " + known.codePathString 8201 + "; ignoring."); 8202 } 8203 } 8204 } 8205 } 8206 } 8207 8208 // Initialize package source and resource directories 8209 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8210 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8211 8212 SharedUserSetting suid = null; 8213 PackageSetting pkgSetting = null; 8214 8215 if (!isSystemApp(pkg)) { 8216 // Only system apps can use these features. 8217 pkg.mOriginalPackages = null; 8218 pkg.mRealPackage = null; 8219 pkg.mAdoptPermissions = null; 8220 } 8221 8222 // Getting the package setting may have a side-effect, so if we 8223 // are only checking if scan would succeed, stash a copy of the 8224 // old setting to restore at the end. 8225 PackageSetting nonMutatedPs = null; 8226 8227 // writer 8228 synchronized (mPackages) { 8229 if (pkg.mSharedUserId != null) { 8230 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8231 if (suid == null) { 8232 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8233 "Creating application package " + pkg.packageName 8234 + " for shared user failed"); 8235 } 8236 if (DEBUG_PACKAGE_SCANNING) { 8237 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8238 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8239 + "): packages=" + suid.packages); 8240 } 8241 } 8242 8243 // Check if we are renaming from an original package name. 8244 PackageSetting origPackage = null; 8245 String realName = null; 8246 if (pkg.mOriginalPackages != null) { 8247 // This package may need to be renamed to a previously 8248 // installed name. Let's check on that... 8249 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8250 if (pkg.mOriginalPackages.contains(renamed)) { 8251 // This package had originally been installed as the 8252 // original name, and we have already taken care of 8253 // transitioning to the new one. Just update the new 8254 // one to continue using the old name. 8255 realName = pkg.mRealPackage; 8256 if (!pkg.packageName.equals(renamed)) { 8257 // Callers into this function may have already taken 8258 // care of renaming the package; only do it here if 8259 // it is not already done. 8260 pkg.setPackageName(renamed); 8261 } 8262 8263 } else { 8264 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8265 if ((origPackage = mSettings.peekPackageLPr( 8266 pkg.mOriginalPackages.get(i))) != null) { 8267 // We do have the package already installed under its 8268 // original name... should we use it? 8269 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8270 // New package is not compatible with original. 8271 origPackage = null; 8272 continue; 8273 } else if (origPackage.sharedUser != null) { 8274 // Make sure uid is compatible between packages. 8275 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8276 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8277 + " to " + pkg.packageName + ": old uid " 8278 + origPackage.sharedUser.name 8279 + " differs from " + pkg.mSharedUserId); 8280 origPackage = null; 8281 continue; 8282 } 8283 // TODO: Add case when shared user id is added [b/28144775] 8284 } else { 8285 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8286 + pkg.packageName + " to old name " + origPackage.name); 8287 } 8288 break; 8289 } 8290 } 8291 } 8292 } 8293 8294 if (mTransferedPackages.contains(pkg.packageName)) { 8295 Slog.w(TAG, "Package " + pkg.packageName 8296 + " was transferred to another, but its .apk remains"); 8297 } 8298 8299 // See comments in nonMutatedPs declaration 8300 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8301 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8302 if (foundPs != null) { 8303 nonMutatedPs = new PackageSetting(foundPs); 8304 } 8305 } 8306 8307 // Just create the setting, don't add it yet. For already existing packages 8308 // the PkgSetting exists already and doesn't have to be created. 8309 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8310 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8311 pkg.applicationInfo.primaryCpuAbi, 8312 pkg.applicationInfo.secondaryCpuAbi, 8313 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8314 user, false); 8315 if (pkgSetting == null) { 8316 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8317 "Creating application package " + pkg.packageName + " failed"); 8318 } 8319 8320 if (pkgSetting.origPackage != null) { 8321 // If we are first transitioning from an original package, 8322 // fix up the new package's name now. We need to do this after 8323 // looking up the package under its new name, so getPackageLP 8324 // can take care of fiddling things correctly. 8325 pkg.setPackageName(origPackage.name); 8326 8327 // File a report about this. 8328 String msg = "New package " + pkgSetting.realName 8329 + " renamed to replace old package " + pkgSetting.name; 8330 reportSettingsProblem(Log.WARN, msg); 8331 8332 // Make a note of it. 8333 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8334 mTransferedPackages.add(origPackage.name); 8335 } 8336 8337 // No longer need to retain this. 8338 pkgSetting.origPackage = null; 8339 } 8340 8341 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8342 // Make a note of it. 8343 mTransferedPackages.add(pkg.packageName); 8344 } 8345 8346 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8347 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8348 } 8349 8350 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8351 // Check all shared libraries and map to their actual file path. 8352 // We only do this here for apps not on a system dir, because those 8353 // are the only ones that can fail an install due to this. We 8354 // will take care of the system apps by updating all of their 8355 // library paths after the scan is done. 8356 updateSharedLibrariesLPw(pkg, null); 8357 } 8358 8359 if (mFoundPolicyFile) { 8360 SELinuxMMAC.assignSeinfoValue(pkg); 8361 } 8362 8363 pkg.applicationInfo.uid = pkgSetting.appId; 8364 pkg.mExtras = pkgSetting; 8365 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8366 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8367 // We just determined the app is signed correctly, so bring 8368 // over the latest parsed certs. 8369 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8370 } else { 8371 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8372 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8373 "Package " + pkg.packageName + " upgrade keys do not match the " 8374 + "previously installed version"); 8375 } else { 8376 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8377 String msg = "System package " + pkg.packageName 8378 + " signature changed; retaining data."; 8379 reportSettingsProblem(Log.WARN, msg); 8380 } 8381 } 8382 } else { 8383 try { 8384 verifySignaturesLP(pkgSetting, pkg); 8385 // We just determined the app is signed correctly, so bring 8386 // over the latest parsed certs. 8387 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8388 } catch (PackageManagerException e) { 8389 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8390 throw e; 8391 } 8392 // The signature has changed, but this package is in the system 8393 // image... let's recover! 8394 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8395 // However... if this package is part of a shared user, but it 8396 // doesn't match the signature of the shared user, let's fail. 8397 // What this means is that you can't change the signatures 8398 // associated with an overall shared user, which doesn't seem all 8399 // that unreasonable. 8400 if (pkgSetting.sharedUser != null) { 8401 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8402 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8403 throw new PackageManagerException( 8404 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8405 "Signature mismatch for shared user: " 8406 + pkgSetting.sharedUser); 8407 } 8408 } 8409 // File a report about this. 8410 String msg = "System package " + pkg.packageName 8411 + " signature changed; retaining data."; 8412 reportSettingsProblem(Log.WARN, msg); 8413 } 8414 } 8415 // Verify that this new package doesn't have any content providers 8416 // that conflict with existing packages. Only do this if the 8417 // package isn't already installed, since we don't want to break 8418 // things that are installed. 8419 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8420 final int N = pkg.providers.size(); 8421 int i; 8422 for (i=0; i<N; i++) { 8423 PackageParser.Provider p = pkg.providers.get(i); 8424 if (p.info.authority != null) { 8425 String names[] = p.info.authority.split(";"); 8426 for (int j = 0; j < names.length; j++) { 8427 if (mProvidersByAuthority.containsKey(names[j])) { 8428 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8429 final String otherPackageName = 8430 ((other != null && other.getComponentName() != null) ? 8431 other.getComponentName().getPackageName() : "?"); 8432 throw new PackageManagerException( 8433 INSTALL_FAILED_CONFLICTING_PROVIDER, 8434 "Can't install because provider name " + names[j] 8435 + " (in package " + pkg.applicationInfo.packageName 8436 + ") is already used by " + otherPackageName); 8437 } 8438 } 8439 } 8440 } 8441 } 8442 8443 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8444 // This package wants to adopt ownership of permissions from 8445 // another package. 8446 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8447 final String origName = pkg.mAdoptPermissions.get(i); 8448 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8449 if (orig != null) { 8450 if (verifyPackageUpdateLPr(orig, pkg)) { 8451 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8452 + pkg.packageName); 8453 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8454 } 8455 } 8456 } 8457 } 8458 } 8459 8460 final String pkgName = pkg.packageName; 8461 8462 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8463 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8464 pkg.applicationInfo.processName = fixProcessName( 8465 pkg.applicationInfo.packageName, 8466 pkg.applicationInfo.processName, 8467 pkg.applicationInfo.uid); 8468 8469 if (pkg != mPlatformPackage) { 8470 // Get all of our default paths setup 8471 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8472 } 8473 8474 final String path = scanFile.getPath(); 8475 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8476 8477 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8478 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8479 8480 // Some system apps still use directory structure for native libraries 8481 // in which case we might end up not detecting abi solely based on apk 8482 // structure. Try to detect abi based on directory structure. 8483 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8484 pkg.applicationInfo.primaryCpuAbi == null) { 8485 setBundledAppAbisAndRoots(pkg, pkgSetting); 8486 setNativeLibraryPaths(pkg); 8487 } 8488 8489 } else { 8490 if ((scanFlags & SCAN_MOVE) != 0) { 8491 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8492 // but we already have this packages package info in the PackageSetting. We just 8493 // use that and derive the native library path based on the new codepath. 8494 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8495 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8496 } 8497 8498 // Set native library paths again. For moves, the path will be updated based on the 8499 // ABIs we've determined above. For non-moves, the path will be updated based on the 8500 // ABIs we determined during compilation, but the path will depend on the final 8501 // package path (after the rename away from the stage path). 8502 setNativeLibraryPaths(pkg); 8503 } 8504 8505 // This is a special case for the "system" package, where the ABI is 8506 // dictated by the zygote configuration (and init.rc). We should keep track 8507 // of this ABI so that we can deal with "normal" applications that run under 8508 // the same UID correctly. 8509 if (mPlatformPackage == pkg) { 8510 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8511 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8512 } 8513 8514 // If there's a mismatch between the abi-override in the package setting 8515 // and the abiOverride specified for the install. Warn about this because we 8516 // would've already compiled the app without taking the package setting into 8517 // account. 8518 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8519 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8520 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8521 " for package " + pkg.packageName); 8522 } 8523 } 8524 8525 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8526 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8527 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8528 8529 // Copy the derived override back to the parsed package, so that we can 8530 // update the package settings accordingly. 8531 pkg.cpuAbiOverride = cpuAbiOverride; 8532 8533 if (DEBUG_ABI_SELECTION) { 8534 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8535 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8536 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8537 } 8538 8539 // Push the derived path down into PackageSettings so we know what to 8540 // clean up at uninstall time. 8541 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8542 8543 if (DEBUG_ABI_SELECTION) { 8544 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8545 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8546 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8547 } 8548 8549 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8550 // We don't do this here during boot because we can do it all 8551 // at once after scanning all existing packages. 8552 // 8553 // We also do this *before* we perform dexopt on this package, so that 8554 // we can avoid redundant dexopts, and also to make sure we've got the 8555 // code and package path correct. 8556 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8557 pkg, true /* boot complete */); 8558 } 8559 8560 if (mFactoryTest && pkg.requestedPermissions.contains( 8561 android.Manifest.permission.FACTORY_TEST)) { 8562 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8563 } 8564 8565 ArrayList<PackageParser.Package> clientLibPkgs = null; 8566 8567 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8568 if (nonMutatedPs != null) { 8569 synchronized (mPackages) { 8570 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8571 } 8572 } 8573 return pkg; 8574 } 8575 8576 // Only privileged apps and updated privileged apps can add child packages. 8577 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8578 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8579 throw new PackageManagerException("Only privileged apps and updated " 8580 + "privileged apps can add child packages. Ignoring package " 8581 + pkg.packageName); 8582 } 8583 final int childCount = pkg.childPackages.size(); 8584 for (int i = 0; i < childCount; i++) { 8585 PackageParser.Package childPkg = pkg.childPackages.get(i); 8586 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8587 childPkg.packageName)) { 8588 throw new PackageManagerException("Cannot override a child package of " 8589 + "another disabled system app. Ignoring package " + pkg.packageName); 8590 } 8591 } 8592 } 8593 8594 // writer 8595 synchronized (mPackages) { 8596 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8597 // Only system apps can add new shared libraries. 8598 if (pkg.libraryNames != null) { 8599 for (int i=0; i<pkg.libraryNames.size(); i++) { 8600 String name = pkg.libraryNames.get(i); 8601 boolean allowed = false; 8602 if (pkg.isUpdatedSystemApp()) { 8603 // New library entries can only be added through the 8604 // system image. This is important to get rid of a lot 8605 // of nasty edge cases: for example if we allowed a non- 8606 // system update of the app to add a library, then uninstalling 8607 // the update would make the library go away, and assumptions 8608 // we made such as through app install filtering would now 8609 // have allowed apps on the device which aren't compatible 8610 // with it. Better to just have the restriction here, be 8611 // conservative, and create many fewer cases that can negatively 8612 // impact the user experience. 8613 final PackageSetting sysPs = mSettings 8614 .getDisabledSystemPkgLPr(pkg.packageName); 8615 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8616 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8617 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8618 allowed = true; 8619 break; 8620 } 8621 } 8622 } 8623 } else { 8624 allowed = true; 8625 } 8626 if (allowed) { 8627 if (!mSharedLibraries.containsKey(name)) { 8628 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8629 } else if (!name.equals(pkg.packageName)) { 8630 Slog.w(TAG, "Package " + pkg.packageName + " library " 8631 + name + " already exists; skipping"); 8632 } 8633 } else { 8634 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8635 + name + " that is not declared on system image; skipping"); 8636 } 8637 } 8638 if ((scanFlags & SCAN_BOOTING) == 0) { 8639 // If we are not booting, we need to update any applications 8640 // that are clients of our shared library. If we are booting, 8641 // this will all be done once the scan is complete. 8642 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8643 } 8644 } 8645 } 8646 } 8647 8648 if ((scanFlags & SCAN_BOOTING) != 0) { 8649 // No apps can run during boot scan, so they don't need to be frozen 8650 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8651 // Caller asked to not kill app, so it's probably not frozen 8652 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8653 // Caller asked us to ignore frozen check for some reason; they 8654 // probably didn't know the package name 8655 } else { 8656 // We're doing major surgery on this package, so it better be frozen 8657 // right now to keep it from launching 8658 checkPackageFrozen(pkgName); 8659 } 8660 8661 // Also need to kill any apps that are dependent on the library. 8662 if (clientLibPkgs != null) { 8663 for (int i=0; i<clientLibPkgs.size(); i++) { 8664 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8665 killApplication(clientPkg.applicationInfo.packageName, 8666 clientPkg.applicationInfo.uid, "update lib"); 8667 } 8668 } 8669 8670 // Make sure we're not adding any bogus keyset info 8671 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8672 ksms.assertScannedPackageValid(pkg); 8673 8674 // writer 8675 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8676 8677 boolean createIdmapFailed = false; 8678 synchronized (mPackages) { 8679 // We don't expect installation to fail beyond this point 8680 8681 if (pkgSetting.pkg != null) { 8682 // Note that |user| might be null during the initial boot scan. If a codePath 8683 // for an app has changed during a boot scan, it's due to an app update that's 8684 // part of the system partition and marker changes must be applied to all users. 8685 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8686 (user != null) ? user : UserHandle.ALL); 8687 } 8688 8689 // Add the new setting to mSettings 8690 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8691 // Add the new setting to mPackages 8692 mPackages.put(pkg.applicationInfo.packageName, pkg); 8693 // Make sure we don't accidentally delete its data. 8694 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8695 while (iter.hasNext()) { 8696 PackageCleanItem item = iter.next(); 8697 if (pkgName.equals(item.packageName)) { 8698 iter.remove(); 8699 } 8700 } 8701 8702 // Take care of first install / last update times. 8703 if (currentTime != 0) { 8704 if (pkgSetting.firstInstallTime == 0) { 8705 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8706 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8707 pkgSetting.lastUpdateTime = currentTime; 8708 } 8709 } else if (pkgSetting.firstInstallTime == 0) { 8710 // We need *something*. Take time time stamp of the file. 8711 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8712 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8713 if (scanFileTime != pkgSetting.timeStamp) { 8714 // A package on the system image has changed; consider this 8715 // to be an update. 8716 pkgSetting.lastUpdateTime = scanFileTime; 8717 } 8718 } 8719 8720 // Add the package's KeySets to the global KeySetManagerService 8721 ksms.addScannedPackageLPw(pkg); 8722 8723 int N = pkg.providers.size(); 8724 StringBuilder r = null; 8725 int i; 8726 for (i=0; i<N; i++) { 8727 PackageParser.Provider p = pkg.providers.get(i); 8728 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8729 p.info.processName, pkg.applicationInfo.uid); 8730 mProviders.addProvider(p); 8731 p.syncable = p.info.isSyncable; 8732 if (p.info.authority != null) { 8733 String names[] = p.info.authority.split(";"); 8734 p.info.authority = null; 8735 for (int j = 0; j < names.length; j++) { 8736 if (j == 1 && p.syncable) { 8737 // We only want the first authority for a provider to possibly be 8738 // syncable, so if we already added this provider using a different 8739 // authority clear the syncable flag. We copy the provider before 8740 // changing it because the mProviders object contains a reference 8741 // to a provider that we don't want to change. 8742 // Only do this for the second authority since the resulting provider 8743 // object can be the same for all future authorities for this provider. 8744 p = new PackageParser.Provider(p); 8745 p.syncable = false; 8746 } 8747 if (!mProvidersByAuthority.containsKey(names[j])) { 8748 mProvidersByAuthority.put(names[j], p); 8749 if (p.info.authority == null) { 8750 p.info.authority = names[j]; 8751 } else { 8752 p.info.authority = p.info.authority + ";" + names[j]; 8753 } 8754 if (DEBUG_PACKAGE_SCANNING) { 8755 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8756 Log.d(TAG, "Registered content provider: " + names[j] 8757 + ", className = " + p.info.name + ", isSyncable = " 8758 + p.info.isSyncable); 8759 } 8760 } else { 8761 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8762 Slog.w(TAG, "Skipping provider name " + names[j] + 8763 " (in package " + pkg.applicationInfo.packageName + 8764 "): name already used by " 8765 + ((other != null && other.getComponentName() != null) 8766 ? other.getComponentName().getPackageName() : "?")); 8767 } 8768 } 8769 } 8770 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8771 if (r == null) { 8772 r = new StringBuilder(256); 8773 } else { 8774 r.append(' '); 8775 } 8776 r.append(p.info.name); 8777 } 8778 } 8779 if (r != null) { 8780 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8781 } 8782 8783 N = pkg.services.size(); 8784 r = null; 8785 for (i=0; i<N; i++) { 8786 PackageParser.Service s = pkg.services.get(i); 8787 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8788 s.info.processName, pkg.applicationInfo.uid); 8789 mServices.addService(s); 8790 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8791 if (r == null) { 8792 r = new StringBuilder(256); 8793 } else { 8794 r.append(' '); 8795 } 8796 r.append(s.info.name); 8797 } 8798 } 8799 if (r != null) { 8800 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8801 } 8802 8803 N = pkg.receivers.size(); 8804 r = null; 8805 for (i=0; i<N; i++) { 8806 PackageParser.Activity a = pkg.receivers.get(i); 8807 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8808 a.info.processName, pkg.applicationInfo.uid); 8809 mReceivers.addActivity(a, "receiver"); 8810 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8811 if (r == null) { 8812 r = new StringBuilder(256); 8813 } else { 8814 r.append(' '); 8815 } 8816 r.append(a.info.name); 8817 } 8818 } 8819 if (r != null) { 8820 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8821 } 8822 8823 N = pkg.activities.size(); 8824 r = null; 8825 for (i=0; i<N; i++) { 8826 PackageParser.Activity a = pkg.activities.get(i); 8827 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8828 a.info.processName, pkg.applicationInfo.uid); 8829 mActivities.addActivity(a, "activity"); 8830 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8831 if (r == null) { 8832 r = new StringBuilder(256); 8833 } else { 8834 r.append(' '); 8835 } 8836 r.append(a.info.name); 8837 } 8838 } 8839 if (r != null) { 8840 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8841 } 8842 8843 N = pkg.permissionGroups.size(); 8844 r = null; 8845 for (i=0; i<N; i++) { 8846 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8847 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8848 if (cur == null) { 8849 mPermissionGroups.put(pg.info.name, pg); 8850 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8851 if (r == null) { 8852 r = new StringBuilder(256); 8853 } else { 8854 r.append(' '); 8855 } 8856 r.append(pg.info.name); 8857 } 8858 } else { 8859 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8860 + pg.info.packageName + " ignored: original from " 8861 + cur.info.packageName); 8862 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8863 if (r == null) { 8864 r = new StringBuilder(256); 8865 } else { 8866 r.append(' '); 8867 } 8868 r.append("DUP:"); 8869 r.append(pg.info.name); 8870 } 8871 } 8872 } 8873 if (r != null) { 8874 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8875 } 8876 8877 N = pkg.permissions.size(); 8878 r = null; 8879 for (i=0; i<N; i++) { 8880 PackageParser.Permission p = pkg.permissions.get(i); 8881 8882 // Assume by default that we did not install this permission into the system. 8883 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8884 8885 // Now that permission groups have a special meaning, we ignore permission 8886 // groups for legacy apps to prevent unexpected behavior. In particular, 8887 // permissions for one app being granted to someone just becase they happen 8888 // to be in a group defined by another app (before this had no implications). 8889 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8890 p.group = mPermissionGroups.get(p.info.group); 8891 // Warn for a permission in an unknown group. 8892 if (p.info.group != null && p.group == null) { 8893 Slog.w(TAG, "Permission " + p.info.name + " from package " 8894 + p.info.packageName + " in an unknown group " + p.info.group); 8895 } 8896 } 8897 8898 ArrayMap<String, BasePermission> permissionMap = 8899 p.tree ? mSettings.mPermissionTrees 8900 : mSettings.mPermissions; 8901 BasePermission bp = permissionMap.get(p.info.name); 8902 8903 // Allow system apps to redefine non-system permissions 8904 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8905 final boolean currentOwnerIsSystem = (bp.perm != null 8906 && isSystemApp(bp.perm.owner)); 8907 if (isSystemApp(p.owner)) { 8908 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8909 // It's a built-in permission and no owner, take ownership now 8910 bp.packageSetting = pkgSetting; 8911 bp.perm = p; 8912 bp.uid = pkg.applicationInfo.uid; 8913 bp.sourcePackage = p.info.packageName; 8914 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8915 } else if (!currentOwnerIsSystem) { 8916 String msg = "New decl " + p.owner + " of permission " 8917 + p.info.name + " is system; overriding " + bp.sourcePackage; 8918 reportSettingsProblem(Log.WARN, msg); 8919 bp = null; 8920 } 8921 } 8922 } 8923 8924 if (bp == null) { 8925 bp = new BasePermission(p.info.name, p.info.packageName, 8926 BasePermission.TYPE_NORMAL); 8927 permissionMap.put(p.info.name, bp); 8928 } 8929 8930 if (bp.perm == null) { 8931 if (bp.sourcePackage == null 8932 || bp.sourcePackage.equals(p.info.packageName)) { 8933 BasePermission tree = findPermissionTreeLP(p.info.name); 8934 if (tree == null 8935 || tree.sourcePackage.equals(p.info.packageName)) { 8936 bp.packageSetting = pkgSetting; 8937 bp.perm = p; 8938 bp.uid = pkg.applicationInfo.uid; 8939 bp.sourcePackage = p.info.packageName; 8940 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8941 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8942 if (r == null) { 8943 r = new StringBuilder(256); 8944 } else { 8945 r.append(' '); 8946 } 8947 r.append(p.info.name); 8948 } 8949 } else { 8950 Slog.w(TAG, "Permission " + p.info.name + " from package " 8951 + p.info.packageName + " ignored: base tree " 8952 + tree.name + " is from package " 8953 + tree.sourcePackage); 8954 } 8955 } else { 8956 Slog.w(TAG, "Permission " + p.info.name + " from package " 8957 + p.info.packageName + " ignored: original from " 8958 + bp.sourcePackage); 8959 } 8960 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8961 if (r == null) { 8962 r = new StringBuilder(256); 8963 } else { 8964 r.append(' '); 8965 } 8966 r.append("DUP:"); 8967 r.append(p.info.name); 8968 } 8969 if (bp.perm == p) { 8970 bp.protectionLevel = p.info.protectionLevel; 8971 } 8972 } 8973 8974 if (r != null) { 8975 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8976 } 8977 8978 N = pkg.instrumentation.size(); 8979 r = null; 8980 for (i=0; i<N; i++) { 8981 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8982 a.info.packageName = pkg.applicationInfo.packageName; 8983 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8984 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8985 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8986 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8987 a.info.dataDir = pkg.applicationInfo.dataDir; 8988 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8989 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8990 8991 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8992 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8993 mInstrumentation.put(a.getComponentName(), a); 8994 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8995 if (r == null) { 8996 r = new StringBuilder(256); 8997 } else { 8998 r.append(' '); 8999 } 9000 r.append(a.info.name); 9001 } 9002 } 9003 if (r != null) { 9004 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9005 } 9006 9007 if (pkg.protectedBroadcasts != null) { 9008 N = pkg.protectedBroadcasts.size(); 9009 for (i=0; i<N; i++) { 9010 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9011 } 9012 } 9013 9014 pkgSetting.setTimeStamp(scanFileTime); 9015 9016 // Create idmap files for pairs of (packages, overlay packages). 9017 // Note: "android", ie framework-res.apk, is handled by native layers. 9018 if (pkg.mOverlayTarget != null) { 9019 // This is an overlay package. 9020 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9021 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9022 mOverlays.put(pkg.mOverlayTarget, 9023 new ArrayMap<String, PackageParser.Package>()); 9024 } 9025 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9026 map.put(pkg.packageName, pkg); 9027 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9028 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9029 createIdmapFailed = true; 9030 } 9031 } 9032 } else if (mOverlays.containsKey(pkg.packageName) && 9033 !pkg.packageName.equals("android")) { 9034 // This is a regular package, with one or more known overlay packages. 9035 createIdmapsForPackageLI(pkg); 9036 } 9037 } 9038 9039 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9040 9041 if (createIdmapFailed) { 9042 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9043 "scanPackageLI failed to createIdmap"); 9044 } 9045 return pkg; 9046 } 9047 9048 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9049 PackageParser.Package update, UserHandle user) { 9050 if (existing.applicationInfo == null || update.applicationInfo == null) { 9051 // This isn't due to an app installation. 9052 return; 9053 } 9054 9055 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9056 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9057 9058 // The codePath hasn't changed, so there's nothing for us to do. 9059 if (Objects.equals(oldCodePath, newCodePath)) { 9060 return; 9061 } 9062 9063 File canonicalNewCodePath; 9064 try { 9065 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9066 } catch (IOException e) { 9067 Slog.w(TAG, "Failed to get canonical path.", e); 9068 return; 9069 } 9070 9071 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9072 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9073 // that the last component of the path (i.e, the name) doesn't need canonicalization 9074 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9075 // but may change in the future. Hopefully this function won't exist at that point. 9076 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9077 oldCodePath.getName()); 9078 9079 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9080 // with "@". 9081 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9082 if (!oldMarkerPrefix.endsWith("@")) { 9083 oldMarkerPrefix += "@"; 9084 } 9085 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9086 if (!newMarkerPrefix.endsWith("@")) { 9087 newMarkerPrefix += "@"; 9088 } 9089 9090 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9091 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9092 for (String updatedPath : updatedPaths) { 9093 String updatedPathName = new File(updatedPath).getName(); 9094 markerSuffixes.add(updatedPathName.replace('/', '@')); 9095 } 9096 9097 for (int userId : resolveUserIds(user.getIdentifier())) { 9098 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9099 9100 for (String markerSuffix : markerSuffixes) { 9101 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9102 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9103 if (oldForeignUseMark.exists()) { 9104 try { 9105 Os.rename(oldForeignUseMark.getAbsolutePath(), 9106 newForeignUseMark.getAbsolutePath()); 9107 } catch (ErrnoException e) { 9108 Slog.w(TAG, "Failed to rename foreign use marker", e); 9109 oldForeignUseMark.delete(); 9110 } 9111 } 9112 } 9113 } 9114 } 9115 9116 /** 9117 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9118 * is derived purely on the basis of the contents of {@code scanFile} and 9119 * {@code cpuAbiOverride}. 9120 * 9121 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9122 */ 9123 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9124 String cpuAbiOverride, boolean extractLibs) 9125 throws PackageManagerException { 9126 // TODO: We can probably be smarter about this stuff. For installed apps, 9127 // we can calculate this information at install time once and for all. For 9128 // system apps, we can probably assume that this information doesn't change 9129 // after the first boot scan. As things stand, we do lots of unnecessary work. 9130 9131 // Give ourselves some initial paths; we'll come back for another 9132 // pass once we've determined ABI below. 9133 setNativeLibraryPaths(pkg); 9134 9135 // We would never need to extract libs for forward-locked and external packages, 9136 // since the container service will do it for us. We shouldn't attempt to 9137 // extract libs from system app when it was not updated. 9138 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9139 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9140 extractLibs = false; 9141 } 9142 9143 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9144 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9145 9146 NativeLibraryHelper.Handle handle = null; 9147 try { 9148 handle = NativeLibraryHelper.Handle.create(pkg); 9149 // TODO(multiArch): This can be null for apps that didn't go through the 9150 // usual installation process. We can calculate it again, like we 9151 // do during install time. 9152 // 9153 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9154 // unnecessary. 9155 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9156 9157 // Null out the abis so that they can be recalculated. 9158 pkg.applicationInfo.primaryCpuAbi = null; 9159 pkg.applicationInfo.secondaryCpuAbi = null; 9160 if (isMultiArch(pkg.applicationInfo)) { 9161 // Warn if we've set an abiOverride for multi-lib packages.. 9162 // By definition, we need to copy both 32 and 64 bit libraries for 9163 // such packages. 9164 if (pkg.cpuAbiOverride != null 9165 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9166 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9167 } 9168 9169 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9170 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9171 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9172 if (extractLibs) { 9173 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9174 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9175 useIsaSpecificSubdirs); 9176 } else { 9177 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9178 } 9179 } 9180 9181 maybeThrowExceptionForMultiArchCopy( 9182 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9183 9184 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9185 if (extractLibs) { 9186 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9187 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9188 useIsaSpecificSubdirs); 9189 } else { 9190 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9191 } 9192 } 9193 9194 maybeThrowExceptionForMultiArchCopy( 9195 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9196 9197 if (abi64 >= 0) { 9198 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9199 } 9200 9201 if (abi32 >= 0) { 9202 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9203 if (abi64 >= 0) { 9204 if (pkg.use32bitAbi) { 9205 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9206 pkg.applicationInfo.primaryCpuAbi = abi; 9207 } else { 9208 pkg.applicationInfo.secondaryCpuAbi = abi; 9209 } 9210 } else { 9211 pkg.applicationInfo.primaryCpuAbi = abi; 9212 } 9213 } 9214 9215 } else { 9216 String[] abiList = (cpuAbiOverride != null) ? 9217 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9218 9219 // Enable gross and lame hacks for apps that are built with old 9220 // SDK tools. We must scan their APKs for renderscript bitcode and 9221 // not launch them if it's present. Don't bother checking on devices 9222 // that don't have 64 bit support. 9223 boolean needsRenderScriptOverride = false; 9224 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9225 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9226 abiList = Build.SUPPORTED_32_BIT_ABIS; 9227 needsRenderScriptOverride = true; 9228 } 9229 9230 final int copyRet; 9231 if (extractLibs) { 9232 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9233 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9234 } else { 9235 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9236 } 9237 9238 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9239 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9240 "Error unpackaging native libs for app, errorCode=" + copyRet); 9241 } 9242 9243 if (copyRet >= 0) { 9244 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9245 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9246 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9247 } else if (needsRenderScriptOverride) { 9248 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9249 } 9250 } 9251 } catch (IOException ioe) { 9252 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9253 } finally { 9254 IoUtils.closeQuietly(handle); 9255 } 9256 9257 // Now that we've calculated the ABIs and determined if it's an internal app, 9258 // we will go ahead and populate the nativeLibraryPath. 9259 setNativeLibraryPaths(pkg); 9260 } 9261 9262 /** 9263 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9264 * i.e, so that all packages can be run inside a single process if required. 9265 * 9266 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9267 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9268 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9269 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9270 * updating a package that belongs to a shared user. 9271 * 9272 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9273 * adds unnecessary complexity. 9274 */ 9275 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9276 PackageParser.Package scannedPackage, boolean bootComplete) { 9277 String requiredInstructionSet = null; 9278 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9279 requiredInstructionSet = VMRuntime.getInstructionSet( 9280 scannedPackage.applicationInfo.primaryCpuAbi); 9281 } 9282 9283 PackageSetting requirer = null; 9284 for (PackageSetting ps : packagesForUser) { 9285 // If packagesForUser contains scannedPackage, we skip it. This will happen 9286 // when scannedPackage is an update of an existing package. Without this check, 9287 // we will never be able to change the ABI of any package belonging to a shared 9288 // user, even if it's compatible with other packages. 9289 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9290 if (ps.primaryCpuAbiString == null) { 9291 continue; 9292 } 9293 9294 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9295 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9296 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9297 // this but there's not much we can do. 9298 String errorMessage = "Instruction set mismatch, " 9299 + ((requirer == null) ? "[caller]" : requirer) 9300 + " requires " + requiredInstructionSet + " whereas " + ps 9301 + " requires " + instructionSet; 9302 Slog.w(TAG, errorMessage); 9303 } 9304 9305 if (requiredInstructionSet == null) { 9306 requiredInstructionSet = instructionSet; 9307 requirer = ps; 9308 } 9309 } 9310 } 9311 9312 if (requiredInstructionSet != null) { 9313 String adjustedAbi; 9314 if (requirer != null) { 9315 // requirer != null implies that either scannedPackage was null or that scannedPackage 9316 // did not require an ABI, in which case we have to adjust scannedPackage to match 9317 // the ABI of the set (which is the same as requirer's ABI) 9318 adjustedAbi = requirer.primaryCpuAbiString; 9319 if (scannedPackage != null) { 9320 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9321 } 9322 } else { 9323 // requirer == null implies that we're updating all ABIs in the set to 9324 // match scannedPackage. 9325 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9326 } 9327 9328 for (PackageSetting ps : packagesForUser) { 9329 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9330 if (ps.primaryCpuAbiString != null) { 9331 continue; 9332 } 9333 9334 ps.primaryCpuAbiString = adjustedAbi; 9335 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9336 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9337 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9338 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9339 + " (requirer=" 9340 + (requirer == null ? "null" : requirer.pkg.packageName) 9341 + ", scannedPackage=" 9342 + (scannedPackage != null ? scannedPackage.packageName : "null") 9343 + ")"); 9344 try { 9345 mInstaller.rmdex(ps.codePathString, 9346 getDexCodeInstructionSet(getPreferredInstructionSet())); 9347 } catch (InstallerException ignored) { 9348 } 9349 } 9350 } 9351 } 9352 } 9353 } 9354 9355 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9356 synchronized (mPackages) { 9357 mResolverReplaced = true; 9358 // Set up information for custom user intent resolution activity. 9359 mResolveActivity.applicationInfo = pkg.applicationInfo; 9360 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9361 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9362 mResolveActivity.processName = pkg.applicationInfo.packageName; 9363 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9364 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9365 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9366 mResolveActivity.theme = 0; 9367 mResolveActivity.exported = true; 9368 mResolveActivity.enabled = true; 9369 mResolveInfo.activityInfo = mResolveActivity; 9370 mResolveInfo.priority = 0; 9371 mResolveInfo.preferredOrder = 0; 9372 mResolveInfo.match = 0; 9373 mResolveComponentName = mCustomResolverComponentName; 9374 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9375 mResolveComponentName); 9376 } 9377 } 9378 9379 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9380 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9381 9382 // Set up information for ephemeral installer activity 9383 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9384 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9385 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9386 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9387 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9388 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9389 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9390 mEphemeralInstallerActivity.theme = 0; 9391 mEphemeralInstallerActivity.exported = true; 9392 mEphemeralInstallerActivity.enabled = true; 9393 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9394 mEphemeralInstallerInfo.priority = 0; 9395 mEphemeralInstallerInfo.preferredOrder = 0; 9396 mEphemeralInstallerInfo.match = 0; 9397 9398 if (DEBUG_EPHEMERAL) { 9399 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9400 } 9401 } 9402 9403 private static String calculateBundledApkRoot(final String codePathString) { 9404 final File codePath = new File(codePathString); 9405 final File codeRoot; 9406 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9407 codeRoot = Environment.getRootDirectory(); 9408 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9409 codeRoot = Environment.getOemDirectory(); 9410 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9411 codeRoot = Environment.getVendorDirectory(); 9412 } else { 9413 // Unrecognized code path; take its top real segment as the apk root: 9414 // e.g. /something/app/blah.apk => /something 9415 try { 9416 File f = codePath.getCanonicalFile(); 9417 File parent = f.getParentFile(); // non-null because codePath is a file 9418 File tmp; 9419 while ((tmp = parent.getParentFile()) != null) { 9420 f = parent; 9421 parent = tmp; 9422 } 9423 codeRoot = f; 9424 Slog.w(TAG, "Unrecognized code path " 9425 + codePath + " - using " + codeRoot); 9426 } catch (IOException e) { 9427 // Can't canonicalize the code path -- shenanigans? 9428 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9429 return Environment.getRootDirectory().getPath(); 9430 } 9431 } 9432 return codeRoot.getPath(); 9433 } 9434 9435 /** 9436 * Derive and set the location of native libraries for the given package, 9437 * which varies depending on where and how the package was installed. 9438 */ 9439 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9440 final ApplicationInfo info = pkg.applicationInfo; 9441 final String codePath = pkg.codePath; 9442 final File codeFile = new File(codePath); 9443 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9444 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9445 9446 info.nativeLibraryRootDir = null; 9447 info.nativeLibraryRootRequiresIsa = false; 9448 info.nativeLibraryDir = null; 9449 info.secondaryNativeLibraryDir = null; 9450 9451 if (isApkFile(codeFile)) { 9452 // Monolithic install 9453 if (bundledApp) { 9454 // If "/system/lib64/apkname" exists, assume that is the per-package 9455 // native library directory to use; otherwise use "/system/lib/apkname". 9456 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9457 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9458 getPrimaryInstructionSet(info)); 9459 9460 // This is a bundled system app so choose the path based on the ABI. 9461 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9462 // is just the default path. 9463 final String apkName = deriveCodePathName(codePath); 9464 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9465 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9466 apkName).getAbsolutePath(); 9467 9468 if (info.secondaryCpuAbi != null) { 9469 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9470 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9471 secondaryLibDir, apkName).getAbsolutePath(); 9472 } 9473 } else if (asecApp) { 9474 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9475 .getAbsolutePath(); 9476 } else { 9477 final String apkName = deriveCodePathName(codePath); 9478 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9479 .getAbsolutePath(); 9480 } 9481 9482 info.nativeLibraryRootRequiresIsa = false; 9483 info.nativeLibraryDir = info.nativeLibraryRootDir; 9484 } else { 9485 // Cluster install 9486 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9487 info.nativeLibraryRootRequiresIsa = true; 9488 9489 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9490 getPrimaryInstructionSet(info)).getAbsolutePath(); 9491 9492 if (info.secondaryCpuAbi != null) { 9493 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9494 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9495 } 9496 } 9497 } 9498 9499 /** 9500 * Calculate the abis and roots for a bundled app. These can uniquely 9501 * be determined from the contents of the system partition, i.e whether 9502 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9503 * of this information, and instead assume that the system was built 9504 * sensibly. 9505 */ 9506 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9507 PackageSetting pkgSetting) { 9508 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9509 9510 // If "/system/lib64/apkname" exists, assume that is the per-package 9511 // native library directory to use; otherwise use "/system/lib/apkname". 9512 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9513 setBundledAppAbi(pkg, apkRoot, apkName); 9514 // pkgSetting might be null during rescan following uninstall of updates 9515 // to a bundled app, so accommodate that possibility. The settings in 9516 // that case will be established later from the parsed package. 9517 // 9518 // If the settings aren't null, sync them up with what we've just derived. 9519 // note that apkRoot isn't stored in the package settings. 9520 if (pkgSetting != null) { 9521 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9522 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9523 } 9524 } 9525 9526 /** 9527 * Deduces the ABI of a bundled app and sets the relevant fields on the 9528 * parsed pkg object. 9529 * 9530 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9531 * under which system libraries are installed. 9532 * @param apkName the name of the installed package. 9533 */ 9534 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9535 final File codeFile = new File(pkg.codePath); 9536 9537 final boolean has64BitLibs; 9538 final boolean has32BitLibs; 9539 if (isApkFile(codeFile)) { 9540 // Monolithic install 9541 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9542 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9543 } else { 9544 // Cluster install 9545 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9546 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9547 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9548 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9549 has64BitLibs = (new File(rootDir, isa)).exists(); 9550 } else { 9551 has64BitLibs = false; 9552 } 9553 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9554 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9555 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9556 has32BitLibs = (new File(rootDir, isa)).exists(); 9557 } else { 9558 has32BitLibs = false; 9559 } 9560 } 9561 9562 if (has64BitLibs && !has32BitLibs) { 9563 // The package has 64 bit libs, but not 32 bit libs. Its primary 9564 // ABI should be 64 bit. We can safely assume here that the bundled 9565 // native libraries correspond to the most preferred ABI in the list. 9566 9567 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9568 pkg.applicationInfo.secondaryCpuAbi = null; 9569 } else if (has32BitLibs && !has64BitLibs) { 9570 // The package has 32 bit libs but not 64 bit libs. Its primary 9571 // ABI should be 32 bit. 9572 9573 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9574 pkg.applicationInfo.secondaryCpuAbi = null; 9575 } else if (has32BitLibs && has64BitLibs) { 9576 // The application has both 64 and 32 bit bundled libraries. We check 9577 // here that the app declares multiArch support, and warn if it doesn't. 9578 // 9579 // We will be lenient here and record both ABIs. The primary will be the 9580 // ABI that's higher on the list, i.e, a device that's configured to prefer 9581 // 64 bit apps will see a 64 bit primary ABI, 9582 9583 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9584 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9585 } 9586 9587 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9588 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9589 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9590 } else { 9591 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9592 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9593 } 9594 } else { 9595 pkg.applicationInfo.primaryCpuAbi = null; 9596 pkg.applicationInfo.secondaryCpuAbi = null; 9597 } 9598 } 9599 9600 private void killApplication(String pkgName, int appId, String reason) { 9601 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9602 } 9603 9604 private void killApplication(String pkgName, int appId, int userId, String reason) { 9605 // Request the ActivityManager to kill the process(only for existing packages) 9606 // so that we do not end up in a confused state while the user is still using the older 9607 // version of the application while the new one gets installed. 9608 final long token = Binder.clearCallingIdentity(); 9609 try { 9610 IActivityManager am = ActivityManagerNative.getDefault(); 9611 if (am != null) { 9612 try { 9613 am.killApplication(pkgName, appId, userId, reason); 9614 } catch (RemoteException e) { 9615 } 9616 } 9617 } finally { 9618 Binder.restoreCallingIdentity(token); 9619 } 9620 } 9621 9622 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9623 // Remove the parent package setting 9624 PackageSetting ps = (PackageSetting) pkg.mExtras; 9625 if (ps != null) { 9626 removePackageLI(ps, chatty); 9627 } 9628 // Remove the child package setting 9629 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9630 for (int i = 0; i < childCount; i++) { 9631 PackageParser.Package childPkg = pkg.childPackages.get(i); 9632 ps = (PackageSetting) childPkg.mExtras; 9633 if (ps != null) { 9634 removePackageLI(ps, chatty); 9635 } 9636 } 9637 } 9638 9639 void removePackageLI(PackageSetting ps, boolean chatty) { 9640 if (DEBUG_INSTALL) { 9641 if (chatty) 9642 Log.d(TAG, "Removing package " + ps.name); 9643 } 9644 9645 // writer 9646 synchronized (mPackages) { 9647 mPackages.remove(ps.name); 9648 final PackageParser.Package pkg = ps.pkg; 9649 if (pkg != null) { 9650 cleanPackageDataStructuresLILPw(pkg, chatty); 9651 } 9652 } 9653 } 9654 9655 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9656 if (DEBUG_INSTALL) { 9657 if (chatty) 9658 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9659 } 9660 9661 // writer 9662 synchronized (mPackages) { 9663 // Remove the parent package 9664 mPackages.remove(pkg.applicationInfo.packageName); 9665 cleanPackageDataStructuresLILPw(pkg, chatty); 9666 9667 // Remove the child packages 9668 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9669 for (int i = 0; i < childCount; i++) { 9670 PackageParser.Package childPkg = pkg.childPackages.get(i); 9671 mPackages.remove(childPkg.applicationInfo.packageName); 9672 cleanPackageDataStructuresLILPw(childPkg, chatty); 9673 } 9674 } 9675 } 9676 9677 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9678 int N = pkg.providers.size(); 9679 StringBuilder r = null; 9680 int i; 9681 for (i=0; i<N; i++) { 9682 PackageParser.Provider p = pkg.providers.get(i); 9683 mProviders.removeProvider(p); 9684 if (p.info.authority == null) { 9685 9686 /* There was another ContentProvider with this authority when 9687 * this app was installed so this authority is null, 9688 * Ignore it as we don't have to unregister the provider. 9689 */ 9690 continue; 9691 } 9692 String names[] = p.info.authority.split(";"); 9693 for (int j = 0; j < names.length; j++) { 9694 if (mProvidersByAuthority.get(names[j]) == p) { 9695 mProvidersByAuthority.remove(names[j]); 9696 if (DEBUG_REMOVE) { 9697 if (chatty) 9698 Log.d(TAG, "Unregistered content provider: " + names[j] 9699 + ", className = " + p.info.name + ", isSyncable = " 9700 + p.info.isSyncable); 9701 } 9702 } 9703 } 9704 if (DEBUG_REMOVE && chatty) { 9705 if (r == null) { 9706 r = new StringBuilder(256); 9707 } else { 9708 r.append(' '); 9709 } 9710 r.append(p.info.name); 9711 } 9712 } 9713 if (r != null) { 9714 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9715 } 9716 9717 N = pkg.services.size(); 9718 r = null; 9719 for (i=0; i<N; i++) { 9720 PackageParser.Service s = pkg.services.get(i); 9721 mServices.removeService(s); 9722 if (chatty) { 9723 if (r == null) { 9724 r = new StringBuilder(256); 9725 } else { 9726 r.append(' '); 9727 } 9728 r.append(s.info.name); 9729 } 9730 } 9731 if (r != null) { 9732 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9733 } 9734 9735 N = pkg.receivers.size(); 9736 r = null; 9737 for (i=0; i<N; i++) { 9738 PackageParser.Activity a = pkg.receivers.get(i); 9739 mReceivers.removeActivity(a, "receiver"); 9740 if (DEBUG_REMOVE && chatty) { 9741 if (r == null) { 9742 r = new StringBuilder(256); 9743 } else { 9744 r.append(' '); 9745 } 9746 r.append(a.info.name); 9747 } 9748 } 9749 if (r != null) { 9750 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9751 } 9752 9753 N = pkg.activities.size(); 9754 r = null; 9755 for (i=0; i<N; i++) { 9756 PackageParser.Activity a = pkg.activities.get(i); 9757 mActivities.removeActivity(a, "activity"); 9758 if (DEBUG_REMOVE && chatty) { 9759 if (r == null) { 9760 r = new StringBuilder(256); 9761 } else { 9762 r.append(' '); 9763 } 9764 r.append(a.info.name); 9765 } 9766 } 9767 if (r != null) { 9768 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9769 } 9770 9771 N = pkg.permissions.size(); 9772 r = null; 9773 for (i=0; i<N; i++) { 9774 PackageParser.Permission p = pkg.permissions.get(i); 9775 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9776 if (bp == null) { 9777 bp = mSettings.mPermissionTrees.get(p.info.name); 9778 } 9779 if (bp != null && bp.perm == p) { 9780 bp.perm = null; 9781 if (DEBUG_REMOVE && chatty) { 9782 if (r == null) { 9783 r = new StringBuilder(256); 9784 } else { 9785 r.append(' '); 9786 } 9787 r.append(p.info.name); 9788 } 9789 } 9790 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9791 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9792 if (appOpPkgs != null) { 9793 appOpPkgs.remove(pkg.packageName); 9794 } 9795 } 9796 } 9797 if (r != null) { 9798 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9799 } 9800 9801 N = pkg.requestedPermissions.size(); 9802 r = null; 9803 for (i=0; i<N; i++) { 9804 String perm = pkg.requestedPermissions.get(i); 9805 BasePermission bp = mSettings.mPermissions.get(perm); 9806 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9807 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9808 if (appOpPkgs != null) { 9809 appOpPkgs.remove(pkg.packageName); 9810 if (appOpPkgs.isEmpty()) { 9811 mAppOpPermissionPackages.remove(perm); 9812 } 9813 } 9814 } 9815 } 9816 if (r != null) { 9817 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9818 } 9819 9820 N = pkg.instrumentation.size(); 9821 r = null; 9822 for (i=0; i<N; i++) { 9823 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9824 mInstrumentation.remove(a.getComponentName()); 9825 if (DEBUG_REMOVE && chatty) { 9826 if (r == null) { 9827 r = new StringBuilder(256); 9828 } else { 9829 r.append(' '); 9830 } 9831 r.append(a.info.name); 9832 } 9833 } 9834 if (r != null) { 9835 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9836 } 9837 9838 r = null; 9839 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9840 // Only system apps can hold shared libraries. 9841 if (pkg.libraryNames != null) { 9842 for (i=0; i<pkg.libraryNames.size(); i++) { 9843 String name = pkg.libraryNames.get(i); 9844 SharedLibraryEntry cur = mSharedLibraries.get(name); 9845 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9846 mSharedLibraries.remove(name); 9847 if (DEBUG_REMOVE && chatty) { 9848 if (r == null) { 9849 r = new StringBuilder(256); 9850 } else { 9851 r.append(' '); 9852 } 9853 r.append(name); 9854 } 9855 } 9856 } 9857 } 9858 } 9859 if (r != null) { 9860 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9861 } 9862 } 9863 9864 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9865 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9866 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9867 return true; 9868 } 9869 } 9870 return false; 9871 } 9872 9873 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9874 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9875 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9876 9877 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9878 // Update the parent permissions 9879 updatePermissionsLPw(pkg.packageName, pkg, flags); 9880 // Update the child permissions 9881 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9882 for (int i = 0; i < childCount; i++) { 9883 PackageParser.Package childPkg = pkg.childPackages.get(i); 9884 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9885 } 9886 } 9887 9888 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9889 int flags) { 9890 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9891 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9892 } 9893 9894 private void updatePermissionsLPw(String changingPkg, 9895 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9896 // Make sure there are no dangling permission trees. 9897 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9898 while (it.hasNext()) { 9899 final BasePermission bp = it.next(); 9900 if (bp.packageSetting == null) { 9901 // We may not yet have parsed the package, so just see if 9902 // we still know about its settings. 9903 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9904 } 9905 if (bp.packageSetting == null) { 9906 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9907 + " from package " + bp.sourcePackage); 9908 it.remove(); 9909 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9910 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9911 Slog.i(TAG, "Removing old permission tree: " + bp.name 9912 + " from package " + bp.sourcePackage); 9913 flags |= UPDATE_PERMISSIONS_ALL; 9914 it.remove(); 9915 } 9916 } 9917 } 9918 9919 // Make sure all dynamic permissions have been assigned to a package, 9920 // and make sure there are no dangling permissions. 9921 it = mSettings.mPermissions.values().iterator(); 9922 while (it.hasNext()) { 9923 final BasePermission bp = it.next(); 9924 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9925 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9926 + bp.name + " pkg=" + bp.sourcePackage 9927 + " info=" + bp.pendingInfo); 9928 if (bp.packageSetting == null && bp.pendingInfo != null) { 9929 final BasePermission tree = findPermissionTreeLP(bp.name); 9930 if (tree != null && tree.perm != null) { 9931 bp.packageSetting = tree.packageSetting; 9932 bp.perm = new PackageParser.Permission(tree.perm.owner, 9933 new PermissionInfo(bp.pendingInfo)); 9934 bp.perm.info.packageName = tree.perm.info.packageName; 9935 bp.perm.info.name = bp.name; 9936 bp.uid = tree.uid; 9937 } 9938 } 9939 } 9940 if (bp.packageSetting == null) { 9941 // We may not yet have parsed the package, so just see if 9942 // we still know about its settings. 9943 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9944 } 9945 if (bp.packageSetting == null) { 9946 Slog.w(TAG, "Removing dangling permission: " + bp.name 9947 + " from package " + bp.sourcePackage); 9948 it.remove(); 9949 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9950 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9951 Slog.i(TAG, "Removing old permission: " + bp.name 9952 + " from package " + bp.sourcePackage); 9953 flags |= UPDATE_PERMISSIONS_ALL; 9954 it.remove(); 9955 } 9956 } 9957 } 9958 9959 // Now update the permissions for all packages, in particular 9960 // replace the granted permissions of the system packages. 9961 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9962 for (PackageParser.Package pkg : mPackages.values()) { 9963 if (pkg != pkgInfo) { 9964 // Only replace for packages on requested volume 9965 final String volumeUuid = getVolumeUuidForPackage(pkg); 9966 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9967 && Objects.equals(replaceVolumeUuid, volumeUuid); 9968 grantPermissionsLPw(pkg, replace, changingPkg); 9969 } 9970 } 9971 } 9972 9973 if (pkgInfo != null) { 9974 // Only replace for packages on requested volume 9975 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9976 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9977 && Objects.equals(replaceVolumeUuid, volumeUuid); 9978 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9979 } 9980 } 9981 9982 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9983 String packageOfInterest) { 9984 // IMPORTANT: There are two types of permissions: install and runtime. 9985 // Install time permissions are granted when the app is installed to 9986 // all device users and users added in the future. Runtime permissions 9987 // are granted at runtime explicitly to specific users. Normal and signature 9988 // protected permissions are install time permissions. Dangerous permissions 9989 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9990 // otherwise they are runtime permissions. This function does not manage 9991 // runtime permissions except for the case an app targeting Lollipop MR1 9992 // being upgraded to target a newer SDK, in which case dangerous permissions 9993 // are transformed from install time to runtime ones. 9994 9995 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9996 if (ps == null) { 9997 return; 9998 } 9999 10000 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10001 10002 PermissionsState permissionsState = ps.getPermissionsState(); 10003 PermissionsState origPermissions = permissionsState; 10004 10005 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10006 10007 boolean runtimePermissionsRevoked = false; 10008 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10009 10010 boolean changedInstallPermission = false; 10011 10012 if (replace) { 10013 ps.installPermissionsFixed = false; 10014 if (!ps.isSharedUser()) { 10015 origPermissions = new PermissionsState(permissionsState); 10016 permissionsState.reset(); 10017 } else { 10018 // We need to know only about runtime permission changes since the 10019 // calling code always writes the install permissions state but 10020 // the runtime ones are written only if changed. The only cases of 10021 // changed runtime permissions here are promotion of an install to 10022 // runtime and revocation of a runtime from a shared user. 10023 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10024 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10025 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10026 runtimePermissionsRevoked = true; 10027 } 10028 } 10029 } 10030 10031 permissionsState.setGlobalGids(mGlobalGids); 10032 10033 final int N = pkg.requestedPermissions.size(); 10034 for (int i=0; i<N; i++) { 10035 final String name = pkg.requestedPermissions.get(i); 10036 final BasePermission bp = mSettings.mPermissions.get(name); 10037 10038 if (DEBUG_INSTALL) { 10039 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10040 } 10041 10042 if (bp == null || bp.packageSetting == null) { 10043 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10044 Slog.w(TAG, "Unknown permission " + name 10045 + " in package " + pkg.packageName); 10046 } 10047 continue; 10048 } 10049 10050 final String perm = bp.name; 10051 boolean allowedSig = false; 10052 int grant = GRANT_DENIED; 10053 10054 // Keep track of app op permissions. 10055 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10056 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10057 if (pkgs == null) { 10058 pkgs = new ArraySet<>(); 10059 mAppOpPermissionPackages.put(bp.name, pkgs); 10060 } 10061 pkgs.add(pkg.packageName); 10062 } 10063 10064 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10065 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10066 >= Build.VERSION_CODES.M; 10067 switch (level) { 10068 case PermissionInfo.PROTECTION_NORMAL: { 10069 // For all apps normal permissions are install time ones. 10070 grant = GRANT_INSTALL; 10071 } break; 10072 10073 case PermissionInfo.PROTECTION_DANGEROUS: { 10074 // If a permission review is required for legacy apps we represent 10075 // their permissions as always granted runtime ones since we need 10076 // to keep the review required permission flag per user while an 10077 // install permission's state is shared across all users. 10078 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10079 // For legacy apps dangerous permissions are install time ones. 10080 grant = GRANT_INSTALL; 10081 } else if (origPermissions.hasInstallPermission(bp.name)) { 10082 // For legacy apps that became modern, install becomes runtime. 10083 grant = GRANT_UPGRADE; 10084 } else if (mPromoteSystemApps 10085 && isSystemApp(ps) 10086 && mExistingSystemPackages.contains(ps.name)) { 10087 // For legacy system apps, install becomes runtime. 10088 // We cannot check hasInstallPermission() for system apps since those 10089 // permissions were granted implicitly and not persisted pre-M. 10090 grant = GRANT_UPGRADE; 10091 } else { 10092 // For modern apps keep runtime permissions unchanged. 10093 grant = GRANT_RUNTIME; 10094 } 10095 } break; 10096 10097 case PermissionInfo.PROTECTION_SIGNATURE: { 10098 // For all apps signature permissions are install time ones. 10099 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10100 if (allowedSig) { 10101 grant = GRANT_INSTALL; 10102 } 10103 } break; 10104 } 10105 10106 if (DEBUG_INSTALL) { 10107 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10108 } 10109 10110 if (grant != GRANT_DENIED) { 10111 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10112 // If this is an existing, non-system package, then 10113 // we can't add any new permissions to it. 10114 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10115 // Except... if this is a permission that was added 10116 // to the platform (note: need to only do this when 10117 // updating the platform). 10118 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10119 grant = GRANT_DENIED; 10120 } 10121 } 10122 } 10123 10124 switch (grant) { 10125 case GRANT_INSTALL: { 10126 // Revoke this as runtime permission to handle the case of 10127 // a runtime permission being downgraded to an install one. 10128 // Also in permission review mode we keep dangerous permissions 10129 // for legacy apps 10130 for (int userId : UserManagerService.getInstance().getUserIds()) { 10131 if (origPermissions.getRuntimePermissionState( 10132 bp.name, userId) != null) { 10133 // Revoke the runtime permission and clear the flags. 10134 origPermissions.revokeRuntimePermission(bp, userId); 10135 origPermissions.updatePermissionFlags(bp, userId, 10136 PackageManager.MASK_PERMISSION_FLAGS, 0); 10137 // If we revoked a permission permission, we have to write. 10138 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10139 changedRuntimePermissionUserIds, userId); 10140 } 10141 } 10142 // Grant an install permission. 10143 if (permissionsState.grantInstallPermission(bp) != 10144 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10145 changedInstallPermission = true; 10146 } 10147 } break; 10148 10149 case GRANT_RUNTIME: { 10150 // Grant previously granted runtime permissions. 10151 for (int userId : UserManagerService.getInstance().getUserIds()) { 10152 PermissionState permissionState = origPermissions 10153 .getRuntimePermissionState(bp.name, userId); 10154 int flags = permissionState != null 10155 ? permissionState.getFlags() : 0; 10156 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10157 if (permissionsState.grantRuntimePermission(bp, userId) == 10158 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10159 // If we cannot put the permission as it was, we have to write. 10160 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10161 changedRuntimePermissionUserIds, userId); 10162 } 10163 // If the app supports runtime permissions no need for a review. 10164 if (Build.PERMISSIONS_REVIEW_REQUIRED 10165 && appSupportsRuntimePermissions 10166 && (flags & PackageManager 10167 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10168 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10169 // Since we changed the flags, we have to write. 10170 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10171 changedRuntimePermissionUserIds, userId); 10172 } 10173 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10174 && !appSupportsRuntimePermissions) { 10175 // For legacy apps that need a permission review, every new 10176 // runtime permission is granted but it is pending a review. 10177 // We also need to review only platform defined runtime 10178 // permissions as these are the only ones the platform knows 10179 // how to disable the API to simulate revocation as legacy 10180 // apps don't expect to run with revoked permissions. 10181 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10182 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10183 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10184 // We changed the flags, hence have to write. 10185 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10186 changedRuntimePermissionUserIds, userId); 10187 } 10188 } 10189 if (permissionsState.grantRuntimePermission(bp, userId) 10190 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10191 // We changed the permission, hence have to write. 10192 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10193 changedRuntimePermissionUserIds, userId); 10194 } 10195 } 10196 // Propagate the permission flags. 10197 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10198 } 10199 } break; 10200 10201 case GRANT_UPGRADE: { 10202 // Grant runtime permissions for a previously held install permission. 10203 PermissionState permissionState = origPermissions 10204 .getInstallPermissionState(bp.name); 10205 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10206 10207 if (origPermissions.revokeInstallPermission(bp) 10208 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10209 // We will be transferring the permission flags, so clear them. 10210 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10211 PackageManager.MASK_PERMISSION_FLAGS, 0); 10212 changedInstallPermission = true; 10213 } 10214 10215 // If the permission is not to be promoted to runtime we ignore it and 10216 // also its other flags as they are not applicable to install permissions. 10217 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10218 for (int userId : currentUserIds) { 10219 if (permissionsState.grantRuntimePermission(bp, userId) != 10220 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10221 // Transfer the permission flags. 10222 permissionsState.updatePermissionFlags(bp, userId, 10223 flags, flags); 10224 // If we granted the permission, we have to write. 10225 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10226 changedRuntimePermissionUserIds, userId); 10227 } 10228 } 10229 } 10230 } break; 10231 10232 default: { 10233 if (packageOfInterest == null 10234 || packageOfInterest.equals(pkg.packageName)) { 10235 Slog.w(TAG, "Not granting permission " + perm 10236 + " to package " + pkg.packageName 10237 + " because it was previously installed without"); 10238 } 10239 } break; 10240 } 10241 } else { 10242 if (permissionsState.revokeInstallPermission(bp) != 10243 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10244 // Also drop the permission flags. 10245 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10246 PackageManager.MASK_PERMISSION_FLAGS, 0); 10247 changedInstallPermission = true; 10248 Slog.i(TAG, "Un-granting permission " + perm 10249 + " from package " + pkg.packageName 10250 + " (protectionLevel=" + bp.protectionLevel 10251 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10252 + ")"); 10253 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10254 // Don't print warning for app op permissions, since it is fine for them 10255 // not to be granted, there is a UI for the user to decide. 10256 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10257 Slog.w(TAG, "Not granting permission " + perm 10258 + " to package " + pkg.packageName 10259 + " (protectionLevel=" + bp.protectionLevel 10260 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10261 + ")"); 10262 } 10263 } 10264 } 10265 } 10266 10267 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10268 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10269 // This is the first that we have heard about this package, so the 10270 // permissions we have now selected are fixed until explicitly 10271 // changed. 10272 ps.installPermissionsFixed = true; 10273 } 10274 10275 // Persist the runtime permissions state for users with changes. If permissions 10276 // were revoked because no app in the shared user declares them we have to 10277 // write synchronously to avoid losing runtime permissions state. 10278 for (int userId : changedRuntimePermissionUserIds) { 10279 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10280 } 10281 10282 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10283 } 10284 10285 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10286 boolean allowed = false; 10287 final int NP = PackageParser.NEW_PERMISSIONS.length; 10288 for (int ip=0; ip<NP; ip++) { 10289 final PackageParser.NewPermissionInfo npi 10290 = PackageParser.NEW_PERMISSIONS[ip]; 10291 if (npi.name.equals(perm) 10292 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10293 allowed = true; 10294 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10295 + pkg.packageName); 10296 break; 10297 } 10298 } 10299 return allowed; 10300 } 10301 10302 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10303 BasePermission bp, PermissionsState origPermissions) { 10304 boolean allowed; 10305 allowed = (compareSignatures( 10306 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10307 == PackageManager.SIGNATURE_MATCH) 10308 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10309 == PackageManager.SIGNATURE_MATCH); 10310 if (!allowed && (bp.protectionLevel 10311 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10312 if (isSystemApp(pkg)) { 10313 // For updated system applications, a system permission 10314 // is granted only if it had been defined by the original application. 10315 if (pkg.isUpdatedSystemApp()) { 10316 final PackageSetting sysPs = mSettings 10317 .getDisabledSystemPkgLPr(pkg.packageName); 10318 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10319 // If the original was granted this permission, we take 10320 // that grant decision as read and propagate it to the 10321 // update. 10322 if (sysPs.isPrivileged()) { 10323 allowed = true; 10324 } 10325 } else { 10326 // The system apk may have been updated with an older 10327 // version of the one on the data partition, but which 10328 // granted a new system permission that it didn't have 10329 // before. In this case we do want to allow the app to 10330 // now get the new permission if the ancestral apk is 10331 // privileged to get it. 10332 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10333 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10334 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10335 allowed = true; 10336 break; 10337 } 10338 } 10339 } 10340 // Also if a privileged parent package on the system image or any of 10341 // its children requested a privileged permission, the updated child 10342 // packages can also get the permission. 10343 if (pkg.parentPackage != null) { 10344 final PackageSetting disabledSysParentPs = mSettings 10345 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10346 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10347 && disabledSysParentPs.isPrivileged()) { 10348 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10349 allowed = true; 10350 } else if (disabledSysParentPs.pkg.childPackages != null) { 10351 final int count = disabledSysParentPs.pkg.childPackages.size(); 10352 for (int i = 0; i < count; i++) { 10353 PackageParser.Package disabledSysChildPkg = 10354 disabledSysParentPs.pkg.childPackages.get(i); 10355 if (isPackageRequestingPermission(disabledSysChildPkg, 10356 perm)) { 10357 allowed = true; 10358 break; 10359 } 10360 } 10361 } 10362 } 10363 } 10364 } 10365 } else { 10366 allowed = isPrivilegedApp(pkg); 10367 } 10368 } 10369 } 10370 if (!allowed) { 10371 if (!allowed && (bp.protectionLevel 10372 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10373 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10374 // If this was a previously normal/dangerous permission that got moved 10375 // to a system permission as part of the runtime permission redesign, then 10376 // we still want to blindly grant it to old apps. 10377 allowed = true; 10378 } 10379 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10380 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10381 // If this permission is to be granted to the system installer and 10382 // this app is an installer, then it gets the permission. 10383 allowed = true; 10384 } 10385 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10386 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10387 // If this permission is to be granted to the system verifier and 10388 // this app is a verifier, then it gets the permission. 10389 allowed = true; 10390 } 10391 if (!allowed && (bp.protectionLevel 10392 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10393 && isSystemApp(pkg)) { 10394 // Any pre-installed system app is allowed to get this permission. 10395 allowed = true; 10396 } 10397 if (!allowed && (bp.protectionLevel 10398 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10399 // For development permissions, a development permission 10400 // is granted only if it was already granted. 10401 allowed = origPermissions.hasInstallPermission(perm); 10402 } 10403 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10404 && pkg.packageName.equals(mSetupWizardPackage)) { 10405 // If this permission is to be granted to the system setup wizard and 10406 // this app is a setup wizard, then it gets the permission. 10407 allowed = true; 10408 } 10409 } 10410 return allowed; 10411 } 10412 10413 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10414 final int permCount = pkg.requestedPermissions.size(); 10415 for (int j = 0; j < permCount; j++) { 10416 String requestedPermission = pkg.requestedPermissions.get(j); 10417 if (permission.equals(requestedPermission)) { 10418 return true; 10419 } 10420 } 10421 return false; 10422 } 10423 10424 final class ActivityIntentResolver 10425 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10426 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10427 boolean defaultOnly, int userId) { 10428 if (!sUserManager.exists(userId)) return null; 10429 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10430 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10431 } 10432 10433 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10434 int userId) { 10435 if (!sUserManager.exists(userId)) return null; 10436 mFlags = flags; 10437 return super.queryIntent(intent, resolvedType, 10438 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10439 } 10440 10441 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10442 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10443 if (!sUserManager.exists(userId)) return null; 10444 if (packageActivities == null) { 10445 return null; 10446 } 10447 mFlags = flags; 10448 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10449 final int N = packageActivities.size(); 10450 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10451 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10452 10453 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10454 for (int i = 0; i < N; ++i) { 10455 intentFilters = packageActivities.get(i).intents; 10456 if (intentFilters != null && intentFilters.size() > 0) { 10457 PackageParser.ActivityIntentInfo[] array = 10458 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10459 intentFilters.toArray(array); 10460 listCut.add(array); 10461 } 10462 } 10463 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10464 } 10465 10466 /** 10467 * Finds a privileged activity that matches the specified activity names. 10468 */ 10469 private PackageParser.Activity findMatchingActivity( 10470 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10471 for (PackageParser.Activity sysActivity : activityList) { 10472 if (sysActivity.info.name.equals(activityInfo.name)) { 10473 return sysActivity; 10474 } 10475 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10476 return sysActivity; 10477 } 10478 if (sysActivity.info.targetActivity != null) { 10479 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10480 return sysActivity; 10481 } 10482 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10483 return sysActivity; 10484 } 10485 } 10486 } 10487 return null; 10488 } 10489 10490 public class IterGenerator<E> { 10491 public Iterator<E> generate(ActivityIntentInfo info) { 10492 return null; 10493 } 10494 } 10495 10496 public class ActionIterGenerator extends IterGenerator<String> { 10497 @Override 10498 public Iterator<String> generate(ActivityIntentInfo info) { 10499 return info.actionsIterator(); 10500 } 10501 } 10502 10503 public class CategoriesIterGenerator extends IterGenerator<String> { 10504 @Override 10505 public Iterator<String> generate(ActivityIntentInfo info) { 10506 return info.categoriesIterator(); 10507 } 10508 } 10509 10510 public class SchemesIterGenerator extends IterGenerator<String> { 10511 @Override 10512 public Iterator<String> generate(ActivityIntentInfo info) { 10513 return info.schemesIterator(); 10514 } 10515 } 10516 10517 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10518 @Override 10519 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10520 return info.authoritiesIterator(); 10521 } 10522 } 10523 10524 /** 10525 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10526 * MODIFIED. Do not pass in a list that should not be changed. 10527 */ 10528 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10529 IterGenerator<T> generator, Iterator<T> searchIterator) { 10530 // loop through the set of actions; every one must be found in the intent filter 10531 while (searchIterator.hasNext()) { 10532 // we must have at least one filter in the list to consider a match 10533 if (intentList.size() == 0) { 10534 break; 10535 } 10536 10537 final T searchAction = searchIterator.next(); 10538 10539 // loop through the set of intent filters 10540 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10541 while (intentIter.hasNext()) { 10542 final ActivityIntentInfo intentInfo = intentIter.next(); 10543 boolean selectionFound = false; 10544 10545 // loop through the intent filter's selection criteria; at least one 10546 // of them must match the searched criteria 10547 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10548 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10549 final T intentSelection = intentSelectionIter.next(); 10550 if (intentSelection != null && intentSelection.equals(searchAction)) { 10551 selectionFound = true; 10552 break; 10553 } 10554 } 10555 10556 // the selection criteria wasn't found in this filter's set; this filter 10557 // is not a potential match 10558 if (!selectionFound) { 10559 intentIter.remove(); 10560 } 10561 } 10562 } 10563 } 10564 10565 private boolean isProtectedAction(ActivityIntentInfo filter) { 10566 final Iterator<String> actionsIter = filter.actionsIterator(); 10567 while (actionsIter != null && actionsIter.hasNext()) { 10568 final String filterAction = actionsIter.next(); 10569 if (PROTECTED_ACTIONS.contains(filterAction)) { 10570 return true; 10571 } 10572 } 10573 return false; 10574 } 10575 10576 /** 10577 * Adjusts the priority of the given intent filter according to policy. 10578 * <p> 10579 * <ul> 10580 * <li>The priority for non privileged applications is capped to '0'</li> 10581 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10582 * <li>The priority for unbundled updates to privileged applications is capped to the 10583 * priority defined on the system partition</li> 10584 * </ul> 10585 * <p> 10586 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10587 * allowed to obtain any priority on any action. 10588 */ 10589 private void adjustPriority( 10590 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10591 // nothing to do; priority is fine as-is 10592 if (intent.getPriority() <= 0) { 10593 return; 10594 } 10595 10596 final ActivityInfo activityInfo = intent.activity.info; 10597 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10598 10599 final boolean privilegedApp = 10600 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10601 if (!privilegedApp) { 10602 // non-privileged applications can never define a priority >0 10603 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10604 + " package: " + applicationInfo.packageName 10605 + " activity: " + intent.activity.className 10606 + " origPrio: " + intent.getPriority()); 10607 intent.setPriority(0); 10608 return; 10609 } 10610 10611 if (systemActivities == null) { 10612 // the system package is not disabled; we're parsing the system partition 10613 if (isProtectedAction(intent)) { 10614 if (mDeferProtectedFilters) { 10615 // We can't deal with these just yet. No component should ever obtain a 10616 // >0 priority for a protected actions, with ONE exception -- the setup 10617 // wizard. The setup wizard, however, cannot be known until we're able to 10618 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10619 // until all intent filters have been processed. Chicken, meet egg. 10620 // Let the filter temporarily have a high priority and rectify the 10621 // priorities after all system packages have been scanned. 10622 mProtectedFilters.add(intent); 10623 if (DEBUG_FILTERS) { 10624 Slog.i(TAG, "Protected action; save for later;" 10625 + " package: " + applicationInfo.packageName 10626 + " activity: " + intent.activity.className 10627 + " origPrio: " + intent.getPriority()); 10628 } 10629 return; 10630 } else { 10631 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10632 Slog.i(TAG, "No setup wizard;" 10633 + " All protected intents capped to priority 0"); 10634 } 10635 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10636 if (DEBUG_FILTERS) { 10637 Slog.i(TAG, "Found setup wizard;" 10638 + " allow priority " + intent.getPriority() + ";" 10639 + " package: " + intent.activity.info.packageName 10640 + " activity: " + intent.activity.className 10641 + " priority: " + intent.getPriority()); 10642 } 10643 // setup wizard gets whatever it wants 10644 return; 10645 } 10646 Slog.w(TAG, "Protected action; cap priority to 0;" 10647 + " package: " + intent.activity.info.packageName 10648 + " activity: " + intent.activity.className 10649 + " origPrio: " + intent.getPriority()); 10650 intent.setPriority(0); 10651 return; 10652 } 10653 } 10654 // privileged apps on the system image get whatever priority they request 10655 return; 10656 } 10657 10658 // privileged app unbundled update ... try to find the same activity 10659 final PackageParser.Activity foundActivity = 10660 findMatchingActivity(systemActivities, activityInfo); 10661 if (foundActivity == null) { 10662 // this is a new activity; it cannot obtain >0 priority 10663 if (DEBUG_FILTERS) { 10664 Slog.i(TAG, "New activity; cap priority to 0;" 10665 + " package: " + applicationInfo.packageName 10666 + " activity: " + intent.activity.className 10667 + " origPrio: " + intent.getPriority()); 10668 } 10669 intent.setPriority(0); 10670 return; 10671 } 10672 10673 // found activity, now check for filter equivalence 10674 10675 // a shallow copy is enough; we modify the list, not its contents 10676 final List<ActivityIntentInfo> intentListCopy = 10677 new ArrayList<>(foundActivity.intents); 10678 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10679 10680 // find matching action subsets 10681 final Iterator<String> actionsIterator = intent.actionsIterator(); 10682 if (actionsIterator != null) { 10683 getIntentListSubset( 10684 intentListCopy, new ActionIterGenerator(), actionsIterator); 10685 if (intentListCopy.size() == 0) { 10686 // no more intents to match; we're not equivalent 10687 if (DEBUG_FILTERS) { 10688 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10689 + " package: " + applicationInfo.packageName 10690 + " activity: " + intent.activity.className 10691 + " origPrio: " + intent.getPriority()); 10692 } 10693 intent.setPriority(0); 10694 return; 10695 } 10696 } 10697 10698 // find matching category subsets 10699 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10700 if (categoriesIterator != null) { 10701 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10702 categoriesIterator); 10703 if (intentListCopy.size() == 0) { 10704 // no more intents to match; we're not equivalent 10705 if (DEBUG_FILTERS) { 10706 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10707 + " package: " + applicationInfo.packageName 10708 + " activity: " + intent.activity.className 10709 + " origPrio: " + intent.getPriority()); 10710 } 10711 intent.setPriority(0); 10712 return; 10713 } 10714 } 10715 10716 // find matching schemes subsets 10717 final Iterator<String> schemesIterator = intent.schemesIterator(); 10718 if (schemesIterator != null) { 10719 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10720 schemesIterator); 10721 if (intentListCopy.size() == 0) { 10722 // no more intents to match; we're not equivalent 10723 if (DEBUG_FILTERS) { 10724 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10725 + " package: " + applicationInfo.packageName 10726 + " activity: " + intent.activity.className 10727 + " origPrio: " + intent.getPriority()); 10728 } 10729 intent.setPriority(0); 10730 return; 10731 } 10732 } 10733 10734 // find matching authorities subsets 10735 final Iterator<IntentFilter.AuthorityEntry> 10736 authoritiesIterator = intent.authoritiesIterator(); 10737 if (authoritiesIterator != null) { 10738 getIntentListSubset(intentListCopy, 10739 new AuthoritiesIterGenerator(), 10740 authoritiesIterator); 10741 if (intentListCopy.size() == 0) { 10742 // no more intents to match; we're not equivalent 10743 if (DEBUG_FILTERS) { 10744 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10745 + " package: " + applicationInfo.packageName 10746 + " activity: " + intent.activity.className 10747 + " origPrio: " + intent.getPriority()); 10748 } 10749 intent.setPriority(0); 10750 return; 10751 } 10752 } 10753 10754 // we found matching filter(s); app gets the max priority of all intents 10755 int cappedPriority = 0; 10756 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10757 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10758 } 10759 if (intent.getPriority() > cappedPriority) { 10760 if (DEBUG_FILTERS) { 10761 Slog.i(TAG, "Found matching filter(s);" 10762 + " cap priority to " + cappedPriority + ";" 10763 + " package: " + applicationInfo.packageName 10764 + " activity: " + intent.activity.className 10765 + " origPrio: " + intent.getPriority()); 10766 } 10767 intent.setPriority(cappedPriority); 10768 return; 10769 } 10770 // all this for nothing; the requested priority was <= what was on the system 10771 } 10772 10773 public final void addActivity(PackageParser.Activity a, String type) { 10774 mActivities.put(a.getComponentName(), a); 10775 if (DEBUG_SHOW_INFO) 10776 Log.v( 10777 TAG, " " + type + " " + 10778 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10779 if (DEBUG_SHOW_INFO) 10780 Log.v(TAG, " Class=" + a.info.name); 10781 final int NI = a.intents.size(); 10782 for (int j=0; j<NI; j++) { 10783 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10784 if ("activity".equals(type)) { 10785 final PackageSetting ps = 10786 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10787 final List<PackageParser.Activity> systemActivities = 10788 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10789 adjustPriority(systemActivities, intent); 10790 } 10791 if (DEBUG_SHOW_INFO) { 10792 Log.v(TAG, " IntentFilter:"); 10793 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10794 } 10795 if (!intent.debugCheck()) { 10796 Log.w(TAG, "==> For Activity " + a.info.name); 10797 } 10798 addFilter(intent); 10799 } 10800 } 10801 10802 public final void removeActivity(PackageParser.Activity a, String type) { 10803 mActivities.remove(a.getComponentName()); 10804 if (DEBUG_SHOW_INFO) { 10805 Log.v(TAG, " " + type + " " 10806 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10807 : a.info.name) + ":"); 10808 Log.v(TAG, " Class=" + a.info.name); 10809 } 10810 final int NI = a.intents.size(); 10811 for (int j=0; j<NI; j++) { 10812 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10813 if (DEBUG_SHOW_INFO) { 10814 Log.v(TAG, " IntentFilter:"); 10815 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10816 } 10817 removeFilter(intent); 10818 } 10819 } 10820 10821 @Override 10822 protected boolean allowFilterResult( 10823 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10824 ActivityInfo filterAi = filter.activity.info; 10825 for (int i=dest.size()-1; i>=0; i--) { 10826 ActivityInfo destAi = dest.get(i).activityInfo; 10827 if (destAi.name == filterAi.name 10828 && destAi.packageName == filterAi.packageName) { 10829 return false; 10830 } 10831 } 10832 return true; 10833 } 10834 10835 @Override 10836 protected ActivityIntentInfo[] newArray(int size) { 10837 return new ActivityIntentInfo[size]; 10838 } 10839 10840 @Override 10841 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10842 if (!sUserManager.exists(userId)) return true; 10843 PackageParser.Package p = filter.activity.owner; 10844 if (p != null) { 10845 PackageSetting ps = (PackageSetting)p.mExtras; 10846 if (ps != null) { 10847 // System apps are never considered stopped for purposes of 10848 // filtering, because there may be no way for the user to 10849 // actually re-launch them. 10850 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10851 && ps.getStopped(userId); 10852 } 10853 } 10854 return false; 10855 } 10856 10857 @Override 10858 protected boolean isPackageForFilter(String packageName, 10859 PackageParser.ActivityIntentInfo info) { 10860 return packageName.equals(info.activity.owner.packageName); 10861 } 10862 10863 @Override 10864 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10865 int match, int userId) { 10866 if (!sUserManager.exists(userId)) return null; 10867 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10868 return null; 10869 } 10870 final PackageParser.Activity activity = info.activity; 10871 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10872 if (ps == null) { 10873 return null; 10874 } 10875 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10876 ps.readUserState(userId), userId); 10877 if (ai == null) { 10878 return null; 10879 } 10880 final ResolveInfo res = new ResolveInfo(); 10881 res.activityInfo = ai; 10882 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10883 res.filter = info; 10884 } 10885 if (info != null) { 10886 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10887 } 10888 res.priority = info.getPriority(); 10889 res.preferredOrder = activity.owner.mPreferredOrder; 10890 //System.out.println("Result: " + res.activityInfo.className + 10891 // " = " + res.priority); 10892 res.match = match; 10893 res.isDefault = info.hasDefault; 10894 res.labelRes = info.labelRes; 10895 res.nonLocalizedLabel = info.nonLocalizedLabel; 10896 if (userNeedsBadging(userId)) { 10897 res.noResourceId = true; 10898 } else { 10899 res.icon = info.icon; 10900 } 10901 res.iconResourceId = info.icon; 10902 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10903 return res; 10904 } 10905 10906 @Override 10907 protected void sortResults(List<ResolveInfo> results) { 10908 Collections.sort(results, mResolvePrioritySorter); 10909 } 10910 10911 @Override 10912 protected void dumpFilter(PrintWriter out, String prefix, 10913 PackageParser.ActivityIntentInfo filter) { 10914 out.print(prefix); out.print( 10915 Integer.toHexString(System.identityHashCode(filter.activity))); 10916 out.print(' '); 10917 filter.activity.printComponentShortName(out); 10918 out.print(" filter "); 10919 out.println(Integer.toHexString(System.identityHashCode(filter))); 10920 } 10921 10922 @Override 10923 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10924 return filter.activity; 10925 } 10926 10927 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10928 PackageParser.Activity activity = (PackageParser.Activity)label; 10929 out.print(prefix); out.print( 10930 Integer.toHexString(System.identityHashCode(activity))); 10931 out.print(' '); 10932 activity.printComponentShortName(out); 10933 if (count > 1) { 10934 out.print(" ("); out.print(count); out.print(" filters)"); 10935 } 10936 out.println(); 10937 } 10938 10939 // Keys are String (activity class name), values are Activity. 10940 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10941 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10942 private int mFlags; 10943 } 10944 10945 private final class ServiceIntentResolver 10946 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10947 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10948 boolean defaultOnly, int userId) { 10949 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10950 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10951 } 10952 10953 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10954 int userId) { 10955 if (!sUserManager.exists(userId)) return null; 10956 mFlags = flags; 10957 return super.queryIntent(intent, resolvedType, 10958 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10959 } 10960 10961 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10962 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10963 if (!sUserManager.exists(userId)) return null; 10964 if (packageServices == null) { 10965 return null; 10966 } 10967 mFlags = flags; 10968 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10969 final int N = packageServices.size(); 10970 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10971 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10972 10973 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10974 for (int i = 0; i < N; ++i) { 10975 intentFilters = packageServices.get(i).intents; 10976 if (intentFilters != null && intentFilters.size() > 0) { 10977 PackageParser.ServiceIntentInfo[] array = 10978 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10979 intentFilters.toArray(array); 10980 listCut.add(array); 10981 } 10982 } 10983 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10984 } 10985 10986 public final void addService(PackageParser.Service s) { 10987 mServices.put(s.getComponentName(), s); 10988 if (DEBUG_SHOW_INFO) { 10989 Log.v(TAG, " " 10990 + (s.info.nonLocalizedLabel != null 10991 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10992 Log.v(TAG, " Class=" + s.info.name); 10993 } 10994 final int NI = s.intents.size(); 10995 int j; 10996 for (j=0; j<NI; j++) { 10997 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10998 if (DEBUG_SHOW_INFO) { 10999 Log.v(TAG, " IntentFilter:"); 11000 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11001 } 11002 if (!intent.debugCheck()) { 11003 Log.w(TAG, "==> For Service " + s.info.name); 11004 } 11005 addFilter(intent); 11006 } 11007 } 11008 11009 public final void removeService(PackageParser.Service s) { 11010 mServices.remove(s.getComponentName()); 11011 if (DEBUG_SHOW_INFO) { 11012 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11013 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11014 Log.v(TAG, " Class=" + s.info.name); 11015 } 11016 final int NI = s.intents.size(); 11017 int j; 11018 for (j=0; j<NI; j++) { 11019 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11020 if (DEBUG_SHOW_INFO) { 11021 Log.v(TAG, " IntentFilter:"); 11022 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11023 } 11024 removeFilter(intent); 11025 } 11026 } 11027 11028 @Override 11029 protected boolean allowFilterResult( 11030 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11031 ServiceInfo filterSi = filter.service.info; 11032 for (int i=dest.size()-1; i>=0; i--) { 11033 ServiceInfo destAi = dest.get(i).serviceInfo; 11034 if (destAi.name == filterSi.name 11035 && destAi.packageName == filterSi.packageName) { 11036 return false; 11037 } 11038 } 11039 return true; 11040 } 11041 11042 @Override 11043 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11044 return new PackageParser.ServiceIntentInfo[size]; 11045 } 11046 11047 @Override 11048 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11049 if (!sUserManager.exists(userId)) return true; 11050 PackageParser.Package p = filter.service.owner; 11051 if (p != null) { 11052 PackageSetting ps = (PackageSetting)p.mExtras; 11053 if (ps != null) { 11054 // System apps are never considered stopped for purposes of 11055 // filtering, because there may be no way for the user to 11056 // actually re-launch them. 11057 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11058 && ps.getStopped(userId); 11059 } 11060 } 11061 return false; 11062 } 11063 11064 @Override 11065 protected boolean isPackageForFilter(String packageName, 11066 PackageParser.ServiceIntentInfo info) { 11067 return packageName.equals(info.service.owner.packageName); 11068 } 11069 11070 @Override 11071 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11072 int match, int userId) { 11073 if (!sUserManager.exists(userId)) return null; 11074 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11075 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11076 return null; 11077 } 11078 final PackageParser.Service service = info.service; 11079 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11080 if (ps == null) { 11081 return null; 11082 } 11083 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11084 ps.readUserState(userId), userId); 11085 if (si == null) { 11086 return null; 11087 } 11088 final ResolveInfo res = new ResolveInfo(); 11089 res.serviceInfo = si; 11090 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11091 res.filter = filter; 11092 } 11093 res.priority = info.getPriority(); 11094 res.preferredOrder = service.owner.mPreferredOrder; 11095 res.match = match; 11096 res.isDefault = info.hasDefault; 11097 res.labelRes = info.labelRes; 11098 res.nonLocalizedLabel = info.nonLocalizedLabel; 11099 res.icon = info.icon; 11100 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11101 return res; 11102 } 11103 11104 @Override 11105 protected void sortResults(List<ResolveInfo> results) { 11106 Collections.sort(results, mResolvePrioritySorter); 11107 } 11108 11109 @Override 11110 protected void dumpFilter(PrintWriter out, String prefix, 11111 PackageParser.ServiceIntentInfo filter) { 11112 out.print(prefix); out.print( 11113 Integer.toHexString(System.identityHashCode(filter.service))); 11114 out.print(' '); 11115 filter.service.printComponentShortName(out); 11116 out.print(" filter "); 11117 out.println(Integer.toHexString(System.identityHashCode(filter))); 11118 } 11119 11120 @Override 11121 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11122 return filter.service; 11123 } 11124 11125 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11126 PackageParser.Service service = (PackageParser.Service)label; 11127 out.print(prefix); out.print( 11128 Integer.toHexString(System.identityHashCode(service))); 11129 out.print(' '); 11130 service.printComponentShortName(out); 11131 if (count > 1) { 11132 out.print(" ("); out.print(count); out.print(" filters)"); 11133 } 11134 out.println(); 11135 } 11136 11137// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11138// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11139// final List<ResolveInfo> retList = Lists.newArrayList(); 11140// while (i.hasNext()) { 11141// final ResolveInfo resolveInfo = (ResolveInfo) i; 11142// if (isEnabledLP(resolveInfo.serviceInfo)) { 11143// retList.add(resolveInfo); 11144// } 11145// } 11146// return retList; 11147// } 11148 11149 // Keys are String (activity class name), values are Activity. 11150 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11151 = new ArrayMap<ComponentName, PackageParser.Service>(); 11152 private int mFlags; 11153 }; 11154 11155 private final class ProviderIntentResolver 11156 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11157 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11158 boolean defaultOnly, int userId) { 11159 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11160 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11161 } 11162 11163 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11164 int userId) { 11165 if (!sUserManager.exists(userId)) 11166 return null; 11167 mFlags = flags; 11168 return super.queryIntent(intent, resolvedType, 11169 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11170 } 11171 11172 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11173 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11174 if (!sUserManager.exists(userId)) 11175 return null; 11176 if (packageProviders == null) { 11177 return null; 11178 } 11179 mFlags = flags; 11180 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11181 final int N = packageProviders.size(); 11182 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11183 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11184 11185 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11186 for (int i = 0; i < N; ++i) { 11187 intentFilters = packageProviders.get(i).intents; 11188 if (intentFilters != null && intentFilters.size() > 0) { 11189 PackageParser.ProviderIntentInfo[] array = 11190 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11191 intentFilters.toArray(array); 11192 listCut.add(array); 11193 } 11194 } 11195 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11196 } 11197 11198 public final void addProvider(PackageParser.Provider p) { 11199 if (mProviders.containsKey(p.getComponentName())) { 11200 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11201 return; 11202 } 11203 11204 mProviders.put(p.getComponentName(), p); 11205 if (DEBUG_SHOW_INFO) { 11206 Log.v(TAG, " " 11207 + (p.info.nonLocalizedLabel != null 11208 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11209 Log.v(TAG, " Class=" + p.info.name); 11210 } 11211 final int NI = p.intents.size(); 11212 int j; 11213 for (j = 0; j < NI; j++) { 11214 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11215 if (DEBUG_SHOW_INFO) { 11216 Log.v(TAG, " IntentFilter:"); 11217 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11218 } 11219 if (!intent.debugCheck()) { 11220 Log.w(TAG, "==> For Provider " + p.info.name); 11221 } 11222 addFilter(intent); 11223 } 11224 } 11225 11226 public final void removeProvider(PackageParser.Provider p) { 11227 mProviders.remove(p.getComponentName()); 11228 if (DEBUG_SHOW_INFO) { 11229 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11230 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11231 Log.v(TAG, " Class=" + p.info.name); 11232 } 11233 final int NI = p.intents.size(); 11234 int j; 11235 for (j = 0; j < NI; j++) { 11236 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11237 if (DEBUG_SHOW_INFO) { 11238 Log.v(TAG, " IntentFilter:"); 11239 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11240 } 11241 removeFilter(intent); 11242 } 11243 } 11244 11245 @Override 11246 protected boolean allowFilterResult( 11247 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11248 ProviderInfo filterPi = filter.provider.info; 11249 for (int i = dest.size() - 1; i >= 0; i--) { 11250 ProviderInfo destPi = dest.get(i).providerInfo; 11251 if (destPi.name == filterPi.name 11252 && destPi.packageName == filterPi.packageName) { 11253 return false; 11254 } 11255 } 11256 return true; 11257 } 11258 11259 @Override 11260 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11261 return new PackageParser.ProviderIntentInfo[size]; 11262 } 11263 11264 @Override 11265 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11266 if (!sUserManager.exists(userId)) 11267 return true; 11268 PackageParser.Package p = filter.provider.owner; 11269 if (p != null) { 11270 PackageSetting ps = (PackageSetting) p.mExtras; 11271 if (ps != null) { 11272 // System apps are never considered stopped for purposes of 11273 // filtering, because there may be no way for the user to 11274 // actually re-launch them. 11275 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11276 && ps.getStopped(userId); 11277 } 11278 } 11279 return false; 11280 } 11281 11282 @Override 11283 protected boolean isPackageForFilter(String packageName, 11284 PackageParser.ProviderIntentInfo info) { 11285 return packageName.equals(info.provider.owner.packageName); 11286 } 11287 11288 @Override 11289 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11290 int match, int userId) { 11291 if (!sUserManager.exists(userId)) 11292 return null; 11293 final PackageParser.ProviderIntentInfo info = filter; 11294 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11295 return null; 11296 } 11297 final PackageParser.Provider provider = info.provider; 11298 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11299 if (ps == null) { 11300 return null; 11301 } 11302 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11303 ps.readUserState(userId), userId); 11304 if (pi == null) { 11305 return null; 11306 } 11307 final ResolveInfo res = new ResolveInfo(); 11308 res.providerInfo = pi; 11309 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11310 res.filter = filter; 11311 } 11312 res.priority = info.getPriority(); 11313 res.preferredOrder = provider.owner.mPreferredOrder; 11314 res.match = match; 11315 res.isDefault = info.hasDefault; 11316 res.labelRes = info.labelRes; 11317 res.nonLocalizedLabel = info.nonLocalizedLabel; 11318 res.icon = info.icon; 11319 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11320 return res; 11321 } 11322 11323 @Override 11324 protected void sortResults(List<ResolveInfo> results) { 11325 Collections.sort(results, mResolvePrioritySorter); 11326 } 11327 11328 @Override 11329 protected void dumpFilter(PrintWriter out, String prefix, 11330 PackageParser.ProviderIntentInfo filter) { 11331 out.print(prefix); 11332 out.print( 11333 Integer.toHexString(System.identityHashCode(filter.provider))); 11334 out.print(' '); 11335 filter.provider.printComponentShortName(out); 11336 out.print(" filter "); 11337 out.println(Integer.toHexString(System.identityHashCode(filter))); 11338 } 11339 11340 @Override 11341 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11342 return filter.provider; 11343 } 11344 11345 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11346 PackageParser.Provider provider = (PackageParser.Provider)label; 11347 out.print(prefix); out.print( 11348 Integer.toHexString(System.identityHashCode(provider))); 11349 out.print(' '); 11350 provider.printComponentShortName(out); 11351 if (count > 1) { 11352 out.print(" ("); out.print(count); out.print(" filters)"); 11353 } 11354 out.println(); 11355 } 11356 11357 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11358 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11359 private int mFlags; 11360 } 11361 11362 private static final class EphemeralIntentResolver 11363 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11364 @Override 11365 protected EphemeralResolveIntentInfo[] newArray(int size) { 11366 return new EphemeralResolveIntentInfo[size]; 11367 } 11368 11369 @Override 11370 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11371 return true; 11372 } 11373 11374 @Override 11375 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11376 int userId) { 11377 if (!sUserManager.exists(userId)) { 11378 return null; 11379 } 11380 return info.getEphemeralResolveInfo(); 11381 } 11382 } 11383 11384 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11385 new Comparator<ResolveInfo>() { 11386 public int compare(ResolveInfo r1, ResolveInfo r2) { 11387 int v1 = r1.priority; 11388 int v2 = r2.priority; 11389 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11390 if (v1 != v2) { 11391 return (v1 > v2) ? -1 : 1; 11392 } 11393 v1 = r1.preferredOrder; 11394 v2 = r2.preferredOrder; 11395 if (v1 != v2) { 11396 return (v1 > v2) ? -1 : 1; 11397 } 11398 if (r1.isDefault != r2.isDefault) { 11399 return r1.isDefault ? -1 : 1; 11400 } 11401 v1 = r1.match; 11402 v2 = r2.match; 11403 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11404 if (v1 != v2) { 11405 return (v1 > v2) ? -1 : 1; 11406 } 11407 if (r1.system != r2.system) { 11408 return r1.system ? -1 : 1; 11409 } 11410 if (r1.activityInfo != null) { 11411 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11412 } 11413 if (r1.serviceInfo != null) { 11414 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11415 } 11416 if (r1.providerInfo != null) { 11417 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11418 } 11419 return 0; 11420 } 11421 }; 11422 11423 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11424 new Comparator<ProviderInfo>() { 11425 public int compare(ProviderInfo p1, ProviderInfo p2) { 11426 final int v1 = p1.initOrder; 11427 final int v2 = p2.initOrder; 11428 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11429 } 11430 }; 11431 11432 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11433 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11434 final int[] userIds) { 11435 mHandler.post(new Runnable() { 11436 @Override 11437 public void run() { 11438 try { 11439 final IActivityManager am = ActivityManagerNative.getDefault(); 11440 if (am == null) return; 11441 final int[] resolvedUserIds; 11442 if (userIds == null) { 11443 resolvedUserIds = am.getRunningUserIds(); 11444 } else { 11445 resolvedUserIds = userIds; 11446 } 11447 final ShortcutServiceInternal shortcutService = 11448 LocalServices.getService(ShortcutServiceInternal.class); 11449 11450 for (int id : resolvedUserIds) { 11451 final Intent intent = new Intent(action, 11452 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11453 if (extras != null) { 11454 intent.putExtras(extras); 11455 } 11456 if (targetPkg != null) { 11457 intent.setPackage(targetPkg); 11458 } 11459 // Modify the UID when posting to other users 11460 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11461 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11462 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11463 intent.putExtra(Intent.EXTRA_UID, uid); 11464 } 11465 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11466 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11467 if (DEBUG_BROADCASTS) { 11468 RuntimeException here = new RuntimeException("here"); 11469 here.fillInStackTrace(); 11470 Slog.d(TAG, "Sending to user " + id + ": " 11471 + intent.toShortString(false, true, false, false) 11472 + " " + intent.getExtras(), here); 11473 } 11474 // TODO b/29385425 Consider making lifecycle callbacks for this. 11475 if (shortcutService != null) { 11476 shortcutService.onPackageBroadcast(intent); 11477 } 11478 am.broadcastIntent(null, intent, null, finishedReceiver, 11479 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11480 null, finishedReceiver != null, false, id); 11481 } 11482 } catch (RemoteException ex) { 11483 } 11484 } 11485 }); 11486 } 11487 11488 /** 11489 * Check if the external storage media is available. This is true if there 11490 * is a mounted external storage medium or if the external storage is 11491 * emulated. 11492 */ 11493 private boolean isExternalMediaAvailable() { 11494 return mMediaMounted || Environment.isExternalStorageEmulated(); 11495 } 11496 11497 @Override 11498 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11499 // writer 11500 synchronized (mPackages) { 11501 if (!isExternalMediaAvailable()) { 11502 // If the external storage is no longer mounted at this point, 11503 // the caller may not have been able to delete all of this 11504 // packages files and can not delete any more. Bail. 11505 return null; 11506 } 11507 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11508 if (lastPackage != null) { 11509 pkgs.remove(lastPackage); 11510 } 11511 if (pkgs.size() > 0) { 11512 return pkgs.get(0); 11513 } 11514 } 11515 return null; 11516 } 11517 11518 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11519 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11520 userId, andCode ? 1 : 0, packageName); 11521 if (mSystemReady) { 11522 msg.sendToTarget(); 11523 } else { 11524 if (mPostSystemReadyMessages == null) { 11525 mPostSystemReadyMessages = new ArrayList<>(); 11526 } 11527 mPostSystemReadyMessages.add(msg); 11528 } 11529 } 11530 11531 void startCleaningPackages() { 11532 // reader 11533 if (!isExternalMediaAvailable()) { 11534 return; 11535 } 11536 synchronized (mPackages) { 11537 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11538 return; 11539 } 11540 } 11541 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11542 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11543 IActivityManager am = ActivityManagerNative.getDefault(); 11544 if (am != null) { 11545 try { 11546 am.startService(null, intent, null, mContext.getOpPackageName(), 11547 UserHandle.USER_SYSTEM); 11548 } catch (RemoteException e) { 11549 } 11550 } 11551 } 11552 11553 @Override 11554 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11555 int installFlags, String installerPackageName, int userId) { 11556 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11557 11558 final int callingUid = Binder.getCallingUid(); 11559 enforceCrossUserPermission(callingUid, userId, 11560 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11561 11562 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11563 try { 11564 if (observer != null) { 11565 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11566 } 11567 } catch (RemoteException re) { 11568 } 11569 return; 11570 } 11571 11572 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11573 installFlags |= PackageManager.INSTALL_FROM_ADB; 11574 11575 } else { 11576 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11577 // about installerPackageName. 11578 11579 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11580 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11581 } 11582 11583 UserHandle user; 11584 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11585 user = UserHandle.ALL; 11586 } else { 11587 user = new UserHandle(userId); 11588 } 11589 11590 // Only system components can circumvent runtime permissions when installing. 11591 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11592 && mContext.checkCallingOrSelfPermission(Manifest.permission 11593 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11594 throw new SecurityException("You need the " 11595 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11596 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11597 } 11598 11599 final File originFile = new File(originPath); 11600 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11601 11602 final Message msg = mHandler.obtainMessage(INIT_COPY); 11603 final VerificationInfo verificationInfo = new VerificationInfo( 11604 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11605 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11606 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11607 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11608 null /*certificates*/); 11609 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11610 msg.obj = params; 11611 11612 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11613 System.identityHashCode(msg.obj)); 11614 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11615 System.identityHashCode(msg.obj)); 11616 11617 mHandler.sendMessage(msg); 11618 } 11619 11620 void installStage(String packageName, File stagedDir, String stagedCid, 11621 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11622 String installerPackageName, int installerUid, UserHandle user, 11623 Certificate[][] certificates) { 11624 if (DEBUG_EPHEMERAL) { 11625 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11626 Slog.d(TAG, "Ephemeral install of " + packageName); 11627 } 11628 } 11629 final VerificationInfo verificationInfo = new VerificationInfo( 11630 sessionParams.originatingUri, sessionParams.referrerUri, 11631 sessionParams.originatingUid, installerUid); 11632 11633 final OriginInfo origin; 11634 if (stagedDir != null) { 11635 origin = OriginInfo.fromStagedFile(stagedDir); 11636 } else { 11637 origin = OriginInfo.fromStagedContainer(stagedCid); 11638 } 11639 11640 final Message msg = mHandler.obtainMessage(INIT_COPY); 11641 final InstallParams params = new InstallParams(origin, null, observer, 11642 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11643 verificationInfo, user, sessionParams.abiOverride, 11644 sessionParams.grantedRuntimePermissions, certificates); 11645 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11646 msg.obj = params; 11647 11648 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11649 System.identityHashCode(msg.obj)); 11650 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11651 System.identityHashCode(msg.obj)); 11652 11653 mHandler.sendMessage(msg); 11654 } 11655 11656 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11657 int userId) { 11658 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11659 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11660 } 11661 11662 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11663 int appId, int userId) { 11664 Bundle extras = new Bundle(1); 11665 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11666 11667 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11668 packageName, extras, 0, null, null, new int[] {userId}); 11669 try { 11670 IActivityManager am = ActivityManagerNative.getDefault(); 11671 if (isSystem && am.isUserRunning(userId, 0)) { 11672 // The just-installed/enabled app is bundled on the system, so presumed 11673 // to be able to run automatically without needing an explicit launch. 11674 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11675 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11676 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11677 .setPackage(packageName); 11678 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11679 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11680 } 11681 } catch (RemoteException e) { 11682 // shouldn't happen 11683 Slog.w(TAG, "Unable to bootstrap installed package", e); 11684 } 11685 } 11686 11687 @Override 11688 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11689 int userId) { 11690 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11691 PackageSetting pkgSetting; 11692 final int uid = Binder.getCallingUid(); 11693 enforceCrossUserPermission(uid, userId, 11694 true /* requireFullPermission */, true /* checkShell */, 11695 "setApplicationHiddenSetting for user " + userId); 11696 11697 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11698 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11699 return false; 11700 } 11701 11702 long callingId = Binder.clearCallingIdentity(); 11703 try { 11704 boolean sendAdded = false; 11705 boolean sendRemoved = false; 11706 // writer 11707 synchronized (mPackages) { 11708 pkgSetting = mSettings.mPackages.get(packageName); 11709 if (pkgSetting == null) { 11710 return false; 11711 } 11712 // Only allow protected packages to hide themselves. 11713 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11714 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11715 Slog.w(TAG, "Not hiding protected package: " + packageName); 11716 return false; 11717 } 11718 if (pkgSetting.getHidden(userId) != hidden) { 11719 pkgSetting.setHidden(hidden, userId); 11720 mSettings.writePackageRestrictionsLPr(userId); 11721 if (hidden) { 11722 sendRemoved = true; 11723 } else { 11724 sendAdded = true; 11725 } 11726 } 11727 } 11728 if (sendAdded) { 11729 sendPackageAddedForUser(packageName, pkgSetting, userId); 11730 return true; 11731 } 11732 if (sendRemoved) { 11733 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11734 "hiding pkg"); 11735 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11736 return true; 11737 } 11738 } finally { 11739 Binder.restoreCallingIdentity(callingId); 11740 } 11741 return false; 11742 } 11743 11744 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11745 int userId) { 11746 final PackageRemovedInfo info = new PackageRemovedInfo(); 11747 info.removedPackage = packageName; 11748 info.removedUsers = new int[] {userId}; 11749 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11750 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11751 } 11752 11753 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11754 if (pkgList.length > 0) { 11755 Bundle extras = new Bundle(1); 11756 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11757 11758 sendPackageBroadcast( 11759 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11760 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11761 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11762 new int[] {userId}); 11763 } 11764 } 11765 11766 /** 11767 * Returns true if application is not found or there was an error. Otherwise it returns 11768 * the hidden state of the package for the given user. 11769 */ 11770 @Override 11771 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11772 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11773 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11774 true /* requireFullPermission */, false /* checkShell */, 11775 "getApplicationHidden for user " + userId); 11776 PackageSetting pkgSetting; 11777 long callingId = Binder.clearCallingIdentity(); 11778 try { 11779 // writer 11780 synchronized (mPackages) { 11781 pkgSetting = mSettings.mPackages.get(packageName); 11782 if (pkgSetting == null) { 11783 return true; 11784 } 11785 return pkgSetting.getHidden(userId); 11786 } 11787 } finally { 11788 Binder.restoreCallingIdentity(callingId); 11789 } 11790 } 11791 11792 /** 11793 * @hide 11794 */ 11795 @Override 11796 public int installExistingPackageAsUser(String packageName, int userId) { 11797 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11798 null); 11799 PackageSetting pkgSetting; 11800 final int uid = Binder.getCallingUid(); 11801 enforceCrossUserPermission(uid, userId, 11802 true /* requireFullPermission */, true /* checkShell */, 11803 "installExistingPackage for user " + userId); 11804 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11805 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11806 } 11807 11808 long callingId = Binder.clearCallingIdentity(); 11809 try { 11810 boolean installed = false; 11811 11812 // writer 11813 synchronized (mPackages) { 11814 pkgSetting = mSettings.mPackages.get(packageName); 11815 if (pkgSetting == null) { 11816 return PackageManager.INSTALL_FAILED_INVALID_URI; 11817 } 11818 if (!pkgSetting.getInstalled(userId)) { 11819 pkgSetting.setInstalled(true, userId); 11820 pkgSetting.setHidden(false, userId); 11821 mSettings.writePackageRestrictionsLPr(userId); 11822 installed = true; 11823 } 11824 } 11825 11826 if (installed) { 11827 if (pkgSetting.pkg != null) { 11828 synchronized (mInstallLock) { 11829 // We don't need to freeze for a brand new install 11830 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11831 } 11832 } 11833 sendPackageAddedForUser(packageName, pkgSetting, userId); 11834 } 11835 } finally { 11836 Binder.restoreCallingIdentity(callingId); 11837 } 11838 11839 return PackageManager.INSTALL_SUCCEEDED; 11840 } 11841 11842 boolean isUserRestricted(int userId, String restrictionKey) { 11843 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11844 if (restrictions.getBoolean(restrictionKey, false)) { 11845 Log.w(TAG, "User is restricted: " + restrictionKey); 11846 return true; 11847 } 11848 return false; 11849 } 11850 11851 @Override 11852 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11853 int userId) { 11854 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11855 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11856 true /* requireFullPermission */, true /* checkShell */, 11857 "setPackagesSuspended for user " + userId); 11858 11859 if (ArrayUtils.isEmpty(packageNames)) { 11860 return packageNames; 11861 } 11862 11863 // List of package names for whom the suspended state has changed. 11864 List<String> changedPackages = new ArrayList<>(packageNames.length); 11865 // List of package names for whom the suspended state is not set as requested in this 11866 // method. 11867 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11868 long callingId = Binder.clearCallingIdentity(); 11869 try { 11870 for (int i = 0; i < packageNames.length; i++) { 11871 String packageName = packageNames[i]; 11872 boolean changed = false; 11873 final int appId; 11874 synchronized (mPackages) { 11875 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11876 if (pkgSetting == null) { 11877 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11878 + "\". Skipping suspending/un-suspending."); 11879 unactionedPackages.add(packageName); 11880 continue; 11881 } 11882 appId = pkgSetting.appId; 11883 if (pkgSetting.getSuspended(userId) != suspended) { 11884 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11885 unactionedPackages.add(packageName); 11886 continue; 11887 } 11888 pkgSetting.setSuspended(suspended, userId); 11889 mSettings.writePackageRestrictionsLPr(userId); 11890 changed = true; 11891 changedPackages.add(packageName); 11892 } 11893 } 11894 11895 if (changed && suspended) { 11896 killApplication(packageName, UserHandle.getUid(userId, appId), 11897 "suspending package"); 11898 } 11899 } 11900 } finally { 11901 Binder.restoreCallingIdentity(callingId); 11902 } 11903 11904 if (!changedPackages.isEmpty()) { 11905 sendPackagesSuspendedForUser(changedPackages.toArray( 11906 new String[changedPackages.size()]), userId, suspended); 11907 } 11908 11909 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11910 } 11911 11912 @Override 11913 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11914 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11915 true /* requireFullPermission */, false /* checkShell */, 11916 "isPackageSuspendedForUser for user " + userId); 11917 synchronized (mPackages) { 11918 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11919 if (pkgSetting == null) { 11920 throw new IllegalArgumentException("Unknown target package: " + packageName); 11921 } 11922 return pkgSetting.getSuspended(userId); 11923 } 11924 } 11925 11926 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11927 if (isPackageDeviceAdmin(packageName, userId)) { 11928 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11929 + "\": has an active device admin"); 11930 return false; 11931 } 11932 11933 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11934 if (packageName.equals(activeLauncherPackageName)) { 11935 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11936 + "\": contains the active launcher"); 11937 return false; 11938 } 11939 11940 if (packageName.equals(mRequiredInstallerPackage)) { 11941 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11942 + "\": required for package installation"); 11943 return false; 11944 } 11945 11946 if (packageName.equals(mRequiredVerifierPackage)) { 11947 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11948 + "\": required for package verification"); 11949 return false; 11950 } 11951 11952 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11953 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11954 + "\": is the default dialer"); 11955 return false; 11956 } 11957 11958 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11959 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11960 + "\": protected package"); 11961 return false; 11962 } 11963 11964 return true; 11965 } 11966 11967 private String getActiveLauncherPackageName(int userId) { 11968 Intent intent = new Intent(Intent.ACTION_MAIN); 11969 intent.addCategory(Intent.CATEGORY_HOME); 11970 ResolveInfo resolveInfo = resolveIntent( 11971 intent, 11972 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11973 PackageManager.MATCH_DEFAULT_ONLY, 11974 userId); 11975 11976 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11977 } 11978 11979 private String getDefaultDialerPackageName(int userId) { 11980 synchronized (mPackages) { 11981 return mSettings.getDefaultDialerPackageNameLPw(userId); 11982 } 11983 } 11984 11985 @Override 11986 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11987 mContext.enforceCallingOrSelfPermission( 11988 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11989 "Only package verification agents can verify applications"); 11990 11991 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11992 final PackageVerificationResponse response = new PackageVerificationResponse( 11993 verificationCode, Binder.getCallingUid()); 11994 msg.arg1 = id; 11995 msg.obj = response; 11996 mHandler.sendMessage(msg); 11997 } 11998 11999 @Override 12000 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12001 long millisecondsToDelay) { 12002 mContext.enforceCallingOrSelfPermission( 12003 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12004 "Only package verification agents can extend verification timeouts"); 12005 12006 final PackageVerificationState state = mPendingVerification.get(id); 12007 final PackageVerificationResponse response = new PackageVerificationResponse( 12008 verificationCodeAtTimeout, Binder.getCallingUid()); 12009 12010 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12011 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12012 } 12013 if (millisecondsToDelay < 0) { 12014 millisecondsToDelay = 0; 12015 } 12016 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12017 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12018 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12019 } 12020 12021 if ((state != null) && !state.timeoutExtended()) { 12022 state.extendTimeout(); 12023 12024 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12025 msg.arg1 = id; 12026 msg.obj = response; 12027 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12028 } 12029 } 12030 12031 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12032 int verificationCode, UserHandle user) { 12033 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12034 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12035 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12036 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12037 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12038 12039 mContext.sendBroadcastAsUser(intent, user, 12040 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12041 } 12042 12043 private ComponentName matchComponentForVerifier(String packageName, 12044 List<ResolveInfo> receivers) { 12045 ActivityInfo targetReceiver = null; 12046 12047 final int NR = receivers.size(); 12048 for (int i = 0; i < NR; i++) { 12049 final ResolveInfo info = receivers.get(i); 12050 if (info.activityInfo == null) { 12051 continue; 12052 } 12053 12054 if (packageName.equals(info.activityInfo.packageName)) { 12055 targetReceiver = info.activityInfo; 12056 break; 12057 } 12058 } 12059 12060 if (targetReceiver == null) { 12061 return null; 12062 } 12063 12064 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12065 } 12066 12067 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12068 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12069 if (pkgInfo.verifiers.length == 0) { 12070 return null; 12071 } 12072 12073 final int N = pkgInfo.verifiers.length; 12074 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12075 for (int i = 0; i < N; i++) { 12076 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12077 12078 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12079 receivers); 12080 if (comp == null) { 12081 continue; 12082 } 12083 12084 final int verifierUid = getUidForVerifier(verifierInfo); 12085 if (verifierUid == -1) { 12086 continue; 12087 } 12088 12089 if (DEBUG_VERIFY) { 12090 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12091 + " with the correct signature"); 12092 } 12093 sufficientVerifiers.add(comp); 12094 verificationState.addSufficientVerifier(verifierUid); 12095 } 12096 12097 return sufficientVerifiers; 12098 } 12099 12100 private int getUidForVerifier(VerifierInfo verifierInfo) { 12101 synchronized (mPackages) { 12102 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12103 if (pkg == null) { 12104 return -1; 12105 } else if (pkg.mSignatures.length != 1) { 12106 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12107 + " has more than one signature; ignoring"); 12108 return -1; 12109 } 12110 12111 /* 12112 * If the public key of the package's signature does not match 12113 * our expected public key, then this is a different package and 12114 * we should skip. 12115 */ 12116 12117 final byte[] expectedPublicKey; 12118 try { 12119 final Signature verifierSig = pkg.mSignatures[0]; 12120 final PublicKey publicKey = verifierSig.getPublicKey(); 12121 expectedPublicKey = publicKey.getEncoded(); 12122 } catch (CertificateException e) { 12123 return -1; 12124 } 12125 12126 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12127 12128 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12129 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12130 + " does not have the expected public key; ignoring"); 12131 return -1; 12132 } 12133 12134 return pkg.applicationInfo.uid; 12135 } 12136 } 12137 12138 @Override 12139 public void finishPackageInstall(int token, boolean didLaunch) { 12140 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12141 12142 if (DEBUG_INSTALL) { 12143 Slog.v(TAG, "BM finishing package install for " + token); 12144 } 12145 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12146 12147 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12148 mHandler.sendMessage(msg); 12149 } 12150 12151 /** 12152 * Get the verification agent timeout. 12153 * 12154 * @return verification timeout in milliseconds 12155 */ 12156 private long getVerificationTimeout() { 12157 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12158 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12159 DEFAULT_VERIFICATION_TIMEOUT); 12160 } 12161 12162 /** 12163 * Get the default verification agent response code. 12164 * 12165 * @return default verification response code 12166 */ 12167 private int getDefaultVerificationResponse() { 12168 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12169 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12170 DEFAULT_VERIFICATION_RESPONSE); 12171 } 12172 12173 /** 12174 * Check whether or not package verification has been enabled. 12175 * 12176 * @return true if verification should be performed 12177 */ 12178 private boolean isVerificationEnabled(int userId, int installFlags) { 12179 if (!DEFAULT_VERIFY_ENABLE) { 12180 return false; 12181 } 12182 // Ephemeral apps don't get the full verification treatment 12183 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12184 if (DEBUG_EPHEMERAL) { 12185 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12186 } 12187 return false; 12188 } 12189 12190 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12191 12192 // Check if installing from ADB 12193 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12194 // Do not run verification in a test harness environment 12195 if (ActivityManager.isRunningInTestHarness()) { 12196 return false; 12197 } 12198 if (ensureVerifyAppsEnabled) { 12199 return true; 12200 } 12201 // Check if the developer does not want package verification for ADB installs 12202 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12203 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12204 return false; 12205 } 12206 } 12207 12208 if (ensureVerifyAppsEnabled) { 12209 return true; 12210 } 12211 12212 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12213 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12214 } 12215 12216 @Override 12217 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12218 throws RemoteException { 12219 mContext.enforceCallingOrSelfPermission( 12220 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12221 "Only intentfilter verification agents can verify applications"); 12222 12223 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12224 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12225 Binder.getCallingUid(), verificationCode, failedDomains); 12226 msg.arg1 = id; 12227 msg.obj = response; 12228 mHandler.sendMessage(msg); 12229 } 12230 12231 @Override 12232 public int getIntentVerificationStatus(String packageName, int userId) { 12233 synchronized (mPackages) { 12234 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12235 } 12236 } 12237 12238 @Override 12239 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12240 mContext.enforceCallingOrSelfPermission( 12241 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12242 12243 boolean result = false; 12244 synchronized (mPackages) { 12245 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12246 } 12247 if (result) { 12248 scheduleWritePackageRestrictionsLocked(userId); 12249 } 12250 return result; 12251 } 12252 12253 @Override 12254 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12255 String packageName) { 12256 synchronized (mPackages) { 12257 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12258 } 12259 } 12260 12261 @Override 12262 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12263 if (TextUtils.isEmpty(packageName)) { 12264 return ParceledListSlice.emptyList(); 12265 } 12266 synchronized (mPackages) { 12267 PackageParser.Package pkg = mPackages.get(packageName); 12268 if (pkg == null || pkg.activities == null) { 12269 return ParceledListSlice.emptyList(); 12270 } 12271 final int count = pkg.activities.size(); 12272 ArrayList<IntentFilter> result = new ArrayList<>(); 12273 for (int n=0; n<count; n++) { 12274 PackageParser.Activity activity = pkg.activities.get(n); 12275 if (activity.intents != null && activity.intents.size() > 0) { 12276 result.addAll(activity.intents); 12277 } 12278 } 12279 return new ParceledListSlice<>(result); 12280 } 12281 } 12282 12283 @Override 12284 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12285 mContext.enforceCallingOrSelfPermission( 12286 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12287 12288 synchronized (mPackages) { 12289 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12290 if (packageName != null) { 12291 result |= updateIntentVerificationStatus(packageName, 12292 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12293 userId); 12294 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12295 packageName, userId); 12296 } 12297 return result; 12298 } 12299 } 12300 12301 @Override 12302 public String getDefaultBrowserPackageName(int userId) { 12303 synchronized (mPackages) { 12304 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12305 } 12306 } 12307 12308 /** 12309 * Get the "allow unknown sources" setting. 12310 * 12311 * @return the current "allow unknown sources" setting 12312 */ 12313 private int getUnknownSourcesSettings() { 12314 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12315 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12316 -1); 12317 } 12318 12319 @Override 12320 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12321 final int uid = Binder.getCallingUid(); 12322 // writer 12323 synchronized (mPackages) { 12324 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12325 if (targetPackageSetting == null) { 12326 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12327 } 12328 12329 PackageSetting installerPackageSetting; 12330 if (installerPackageName != null) { 12331 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12332 if (installerPackageSetting == null) { 12333 throw new IllegalArgumentException("Unknown installer package: " 12334 + installerPackageName); 12335 } 12336 } else { 12337 installerPackageSetting = null; 12338 } 12339 12340 Signature[] callerSignature; 12341 Object obj = mSettings.getUserIdLPr(uid); 12342 if (obj != null) { 12343 if (obj instanceof SharedUserSetting) { 12344 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12345 } else if (obj instanceof PackageSetting) { 12346 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12347 } else { 12348 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12349 } 12350 } else { 12351 throw new SecurityException("Unknown calling UID: " + uid); 12352 } 12353 12354 // Verify: can't set installerPackageName to a package that is 12355 // not signed with the same cert as the caller. 12356 if (installerPackageSetting != null) { 12357 if (compareSignatures(callerSignature, 12358 installerPackageSetting.signatures.mSignatures) 12359 != PackageManager.SIGNATURE_MATCH) { 12360 throw new SecurityException( 12361 "Caller does not have same cert as new installer package " 12362 + installerPackageName); 12363 } 12364 } 12365 12366 // Verify: if target already has an installer package, it must 12367 // be signed with the same cert as the caller. 12368 if (targetPackageSetting.installerPackageName != null) { 12369 PackageSetting setting = mSettings.mPackages.get( 12370 targetPackageSetting.installerPackageName); 12371 // If the currently set package isn't valid, then it's always 12372 // okay to change it. 12373 if (setting != null) { 12374 if (compareSignatures(callerSignature, 12375 setting.signatures.mSignatures) 12376 != PackageManager.SIGNATURE_MATCH) { 12377 throw new SecurityException( 12378 "Caller does not have same cert as old installer package " 12379 + targetPackageSetting.installerPackageName); 12380 } 12381 } 12382 } 12383 12384 // Okay! 12385 targetPackageSetting.installerPackageName = installerPackageName; 12386 if (installerPackageName != null) { 12387 mSettings.mInstallerPackages.add(installerPackageName); 12388 } 12389 scheduleWriteSettingsLocked(); 12390 } 12391 } 12392 12393 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12394 // Queue up an async operation since the package installation may take a little while. 12395 mHandler.post(new Runnable() { 12396 public void run() { 12397 mHandler.removeCallbacks(this); 12398 // Result object to be returned 12399 PackageInstalledInfo res = new PackageInstalledInfo(); 12400 res.setReturnCode(currentStatus); 12401 res.uid = -1; 12402 res.pkg = null; 12403 res.removedInfo = null; 12404 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12405 args.doPreInstall(res.returnCode); 12406 synchronized (mInstallLock) { 12407 installPackageTracedLI(args, res); 12408 } 12409 args.doPostInstall(res.returnCode, res.uid); 12410 } 12411 12412 // A restore should be performed at this point if (a) the install 12413 // succeeded, (b) the operation is not an update, and (c) the new 12414 // package has not opted out of backup participation. 12415 final boolean update = res.removedInfo != null 12416 && res.removedInfo.removedPackage != null; 12417 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12418 boolean doRestore = !update 12419 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12420 12421 // Set up the post-install work request bookkeeping. This will be used 12422 // and cleaned up by the post-install event handling regardless of whether 12423 // there's a restore pass performed. Token values are >= 1. 12424 int token; 12425 if (mNextInstallToken < 0) mNextInstallToken = 1; 12426 token = mNextInstallToken++; 12427 12428 PostInstallData data = new PostInstallData(args, res); 12429 mRunningInstalls.put(token, data); 12430 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12431 12432 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12433 // Pass responsibility to the Backup Manager. It will perform a 12434 // restore if appropriate, then pass responsibility back to the 12435 // Package Manager to run the post-install observer callbacks 12436 // and broadcasts. 12437 IBackupManager bm = IBackupManager.Stub.asInterface( 12438 ServiceManager.getService(Context.BACKUP_SERVICE)); 12439 if (bm != null) { 12440 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12441 + " to BM for possible restore"); 12442 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12443 try { 12444 // TODO: http://b/22388012 12445 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12446 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12447 } else { 12448 doRestore = false; 12449 } 12450 } catch (RemoteException e) { 12451 // can't happen; the backup manager is local 12452 } catch (Exception e) { 12453 Slog.e(TAG, "Exception trying to enqueue restore", e); 12454 doRestore = false; 12455 } 12456 } else { 12457 Slog.e(TAG, "Backup Manager not found!"); 12458 doRestore = false; 12459 } 12460 } 12461 12462 if (!doRestore) { 12463 // No restore possible, or the Backup Manager was mysteriously not 12464 // available -- just fire the post-install work request directly. 12465 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12466 12467 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12468 12469 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12470 mHandler.sendMessage(msg); 12471 } 12472 } 12473 }); 12474 } 12475 12476 /** 12477 * Callback from PackageSettings whenever an app is first transitioned out of the 12478 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12479 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12480 * here whether the app is the target of an ongoing install, and only send the 12481 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12482 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12483 * handling. 12484 */ 12485 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12486 // Serialize this with the rest of the install-process message chain. In the 12487 // restore-at-install case, this Runnable will necessarily run before the 12488 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12489 // are coherent. In the non-restore case, the app has already completed install 12490 // and been launched through some other means, so it is not in a problematic 12491 // state for observers to see the FIRST_LAUNCH signal. 12492 mHandler.post(new Runnable() { 12493 @Override 12494 public void run() { 12495 for (int i = 0; i < mRunningInstalls.size(); i++) { 12496 final PostInstallData data = mRunningInstalls.valueAt(i); 12497 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12498 // right package; but is it for the right user? 12499 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12500 if (userId == data.res.newUsers[uIndex]) { 12501 if (DEBUG_BACKUP) { 12502 Slog.i(TAG, "Package " + pkgName 12503 + " being restored so deferring FIRST_LAUNCH"); 12504 } 12505 return; 12506 } 12507 } 12508 } 12509 } 12510 // didn't find it, so not being restored 12511 if (DEBUG_BACKUP) { 12512 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12513 } 12514 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12515 } 12516 }); 12517 } 12518 12519 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12520 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12521 installerPkg, null, userIds); 12522 } 12523 12524 private abstract class HandlerParams { 12525 private static final int MAX_RETRIES = 4; 12526 12527 /** 12528 * Number of times startCopy() has been attempted and had a non-fatal 12529 * error. 12530 */ 12531 private int mRetries = 0; 12532 12533 /** User handle for the user requesting the information or installation. */ 12534 private final UserHandle mUser; 12535 String traceMethod; 12536 int traceCookie; 12537 12538 HandlerParams(UserHandle user) { 12539 mUser = user; 12540 } 12541 12542 UserHandle getUser() { 12543 return mUser; 12544 } 12545 12546 HandlerParams setTraceMethod(String traceMethod) { 12547 this.traceMethod = traceMethod; 12548 return this; 12549 } 12550 12551 HandlerParams setTraceCookie(int traceCookie) { 12552 this.traceCookie = traceCookie; 12553 return this; 12554 } 12555 12556 final boolean startCopy() { 12557 boolean res; 12558 try { 12559 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12560 12561 if (++mRetries > MAX_RETRIES) { 12562 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12563 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12564 handleServiceError(); 12565 return false; 12566 } else { 12567 handleStartCopy(); 12568 res = true; 12569 } 12570 } catch (RemoteException e) { 12571 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12572 mHandler.sendEmptyMessage(MCS_RECONNECT); 12573 res = false; 12574 } 12575 handleReturnCode(); 12576 return res; 12577 } 12578 12579 final void serviceError() { 12580 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12581 handleServiceError(); 12582 handleReturnCode(); 12583 } 12584 12585 abstract void handleStartCopy() throws RemoteException; 12586 abstract void handleServiceError(); 12587 abstract void handleReturnCode(); 12588 } 12589 12590 class MeasureParams extends HandlerParams { 12591 private final PackageStats mStats; 12592 private boolean mSuccess; 12593 12594 private final IPackageStatsObserver mObserver; 12595 12596 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12597 super(new UserHandle(stats.userHandle)); 12598 mObserver = observer; 12599 mStats = stats; 12600 } 12601 12602 @Override 12603 public String toString() { 12604 return "MeasureParams{" 12605 + Integer.toHexString(System.identityHashCode(this)) 12606 + " " + mStats.packageName + "}"; 12607 } 12608 12609 @Override 12610 void handleStartCopy() throws RemoteException { 12611 synchronized (mInstallLock) { 12612 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12613 } 12614 12615 if (mSuccess) { 12616 boolean mounted = false; 12617 try { 12618 final String status = Environment.getExternalStorageState(); 12619 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12620 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12621 } catch (Exception e) { 12622 } 12623 12624 if (mounted) { 12625 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12626 12627 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12628 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12629 12630 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12631 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12632 12633 // Always subtract cache size, since it's a subdirectory 12634 mStats.externalDataSize -= mStats.externalCacheSize; 12635 12636 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12637 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12638 12639 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12640 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12641 } 12642 } 12643 } 12644 12645 @Override 12646 void handleReturnCode() { 12647 if (mObserver != null) { 12648 try { 12649 mObserver.onGetStatsCompleted(mStats, mSuccess); 12650 } catch (RemoteException e) { 12651 Slog.i(TAG, "Observer no longer exists."); 12652 } 12653 } 12654 } 12655 12656 @Override 12657 void handleServiceError() { 12658 Slog.e(TAG, "Could not measure application " + mStats.packageName 12659 + " external storage"); 12660 } 12661 } 12662 12663 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12664 throws RemoteException { 12665 long result = 0; 12666 for (File path : paths) { 12667 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12668 } 12669 return result; 12670 } 12671 12672 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12673 for (File path : paths) { 12674 try { 12675 mcs.clearDirectory(path.getAbsolutePath()); 12676 } catch (RemoteException e) { 12677 } 12678 } 12679 } 12680 12681 static class OriginInfo { 12682 /** 12683 * Location where install is coming from, before it has been 12684 * copied/renamed into place. This could be a single monolithic APK 12685 * file, or a cluster directory. This location may be untrusted. 12686 */ 12687 final File file; 12688 final String cid; 12689 12690 /** 12691 * Flag indicating that {@link #file} or {@link #cid} has already been 12692 * staged, meaning downstream users don't need to defensively copy the 12693 * contents. 12694 */ 12695 final boolean staged; 12696 12697 /** 12698 * Flag indicating that {@link #file} or {@link #cid} is an already 12699 * installed app that is being moved. 12700 */ 12701 final boolean existing; 12702 12703 final String resolvedPath; 12704 final File resolvedFile; 12705 12706 static OriginInfo fromNothing() { 12707 return new OriginInfo(null, null, false, false); 12708 } 12709 12710 static OriginInfo fromUntrustedFile(File file) { 12711 return new OriginInfo(file, null, false, false); 12712 } 12713 12714 static OriginInfo fromExistingFile(File file) { 12715 return new OriginInfo(file, null, false, true); 12716 } 12717 12718 static OriginInfo fromStagedFile(File file) { 12719 return new OriginInfo(file, null, true, false); 12720 } 12721 12722 static OriginInfo fromStagedContainer(String cid) { 12723 return new OriginInfo(null, cid, true, false); 12724 } 12725 12726 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12727 this.file = file; 12728 this.cid = cid; 12729 this.staged = staged; 12730 this.existing = existing; 12731 12732 if (cid != null) { 12733 resolvedPath = PackageHelper.getSdDir(cid); 12734 resolvedFile = new File(resolvedPath); 12735 } else if (file != null) { 12736 resolvedPath = file.getAbsolutePath(); 12737 resolvedFile = file; 12738 } else { 12739 resolvedPath = null; 12740 resolvedFile = null; 12741 } 12742 } 12743 } 12744 12745 static class MoveInfo { 12746 final int moveId; 12747 final String fromUuid; 12748 final String toUuid; 12749 final String packageName; 12750 final String dataAppName; 12751 final int appId; 12752 final String seinfo; 12753 final int targetSdkVersion; 12754 12755 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12756 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12757 this.moveId = moveId; 12758 this.fromUuid = fromUuid; 12759 this.toUuid = toUuid; 12760 this.packageName = packageName; 12761 this.dataAppName = dataAppName; 12762 this.appId = appId; 12763 this.seinfo = seinfo; 12764 this.targetSdkVersion = targetSdkVersion; 12765 } 12766 } 12767 12768 static class VerificationInfo { 12769 /** A constant used to indicate that a uid value is not present. */ 12770 public static final int NO_UID = -1; 12771 12772 /** URI referencing where the package was downloaded from. */ 12773 final Uri originatingUri; 12774 12775 /** HTTP referrer URI associated with the originatingURI. */ 12776 final Uri referrer; 12777 12778 /** UID of the application that the install request originated from. */ 12779 final int originatingUid; 12780 12781 /** UID of application requesting the install */ 12782 final int installerUid; 12783 12784 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12785 this.originatingUri = originatingUri; 12786 this.referrer = referrer; 12787 this.originatingUid = originatingUid; 12788 this.installerUid = installerUid; 12789 } 12790 } 12791 12792 class InstallParams extends HandlerParams { 12793 final OriginInfo origin; 12794 final MoveInfo move; 12795 final IPackageInstallObserver2 observer; 12796 int installFlags; 12797 final String installerPackageName; 12798 final String volumeUuid; 12799 private InstallArgs mArgs; 12800 private int mRet; 12801 final String packageAbiOverride; 12802 final String[] grantedRuntimePermissions; 12803 final VerificationInfo verificationInfo; 12804 final Certificate[][] certificates; 12805 12806 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12807 int installFlags, String installerPackageName, String volumeUuid, 12808 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12809 String[] grantedPermissions, Certificate[][] certificates) { 12810 super(user); 12811 this.origin = origin; 12812 this.move = move; 12813 this.observer = observer; 12814 this.installFlags = installFlags; 12815 this.installerPackageName = installerPackageName; 12816 this.volumeUuid = volumeUuid; 12817 this.verificationInfo = verificationInfo; 12818 this.packageAbiOverride = packageAbiOverride; 12819 this.grantedRuntimePermissions = grantedPermissions; 12820 this.certificates = certificates; 12821 } 12822 12823 @Override 12824 public String toString() { 12825 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12826 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12827 } 12828 12829 private int installLocationPolicy(PackageInfoLite pkgLite) { 12830 String packageName = pkgLite.packageName; 12831 int installLocation = pkgLite.installLocation; 12832 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12833 // reader 12834 synchronized (mPackages) { 12835 // Currently installed package which the new package is attempting to replace or 12836 // null if no such package is installed. 12837 PackageParser.Package installedPkg = mPackages.get(packageName); 12838 // Package which currently owns the data which the new package will own if installed. 12839 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12840 // will be null whereas dataOwnerPkg will contain information about the package 12841 // which was uninstalled while keeping its data. 12842 PackageParser.Package dataOwnerPkg = installedPkg; 12843 if (dataOwnerPkg == null) { 12844 PackageSetting ps = mSettings.mPackages.get(packageName); 12845 if (ps != null) { 12846 dataOwnerPkg = ps.pkg; 12847 } 12848 } 12849 12850 if (dataOwnerPkg != null) { 12851 // If installed, the package will get access to data left on the device by its 12852 // predecessor. As a security measure, this is permited only if this is not a 12853 // version downgrade or if the predecessor package is marked as debuggable and 12854 // a downgrade is explicitly requested. 12855 // 12856 // On debuggable platform builds, downgrades are permitted even for 12857 // non-debuggable packages to make testing easier. Debuggable platform builds do 12858 // not offer security guarantees and thus it's OK to disable some security 12859 // mechanisms to make debugging/testing easier on those builds. However, even on 12860 // debuggable builds downgrades of packages are permitted only if requested via 12861 // installFlags. This is because we aim to keep the behavior of debuggable 12862 // platform builds as close as possible to the behavior of non-debuggable 12863 // platform builds. 12864 final boolean downgradeRequested = 12865 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12866 final boolean packageDebuggable = 12867 (dataOwnerPkg.applicationInfo.flags 12868 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12869 final boolean downgradePermitted = 12870 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12871 if (!downgradePermitted) { 12872 try { 12873 checkDowngrade(dataOwnerPkg, pkgLite); 12874 } catch (PackageManagerException e) { 12875 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12876 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12877 } 12878 } 12879 } 12880 12881 if (installedPkg != null) { 12882 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12883 // Check for updated system application. 12884 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12885 if (onSd) { 12886 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12887 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12888 } 12889 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12890 } else { 12891 if (onSd) { 12892 // Install flag overrides everything. 12893 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12894 } 12895 // If current upgrade specifies particular preference 12896 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12897 // Application explicitly specified internal. 12898 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12899 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12900 // App explictly prefers external. Let policy decide 12901 } else { 12902 // Prefer previous location 12903 if (isExternal(installedPkg)) { 12904 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12905 } 12906 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12907 } 12908 } 12909 } else { 12910 // Invalid install. Return error code 12911 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12912 } 12913 } 12914 } 12915 // All the special cases have been taken care of. 12916 // Return result based on recommended install location. 12917 if (onSd) { 12918 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12919 } 12920 return pkgLite.recommendedInstallLocation; 12921 } 12922 12923 /* 12924 * Invoke remote method to get package information and install 12925 * location values. Override install location based on default 12926 * policy if needed and then create install arguments based 12927 * on the install location. 12928 */ 12929 public void handleStartCopy() throws RemoteException { 12930 int ret = PackageManager.INSTALL_SUCCEEDED; 12931 12932 // If we're already staged, we've firmly committed to an install location 12933 if (origin.staged) { 12934 if (origin.file != null) { 12935 installFlags |= PackageManager.INSTALL_INTERNAL; 12936 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12937 } else if (origin.cid != null) { 12938 installFlags |= PackageManager.INSTALL_EXTERNAL; 12939 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12940 } else { 12941 throw new IllegalStateException("Invalid stage location"); 12942 } 12943 } 12944 12945 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12946 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12947 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12948 PackageInfoLite pkgLite = null; 12949 12950 if (onInt && onSd) { 12951 // Check if both bits are set. 12952 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12953 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12954 } else if (onSd && ephemeral) { 12955 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12956 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12957 } else { 12958 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12959 packageAbiOverride); 12960 12961 if (DEBUG_EPHEMERAL && ephemeral) { 12962 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12963 } 12964 12965 /* 12966 * If we have too little free space, try to free cache 12967 * before giving up. 12968 */ 12969 if (!origin.staged && pkgLite.recommendedInstallLocation 12970 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12971 // TODO: focus freeing disk space on the target device 12972 final StorageManager storage = StorageManager.from(mContext); 12973 final long lowThreshold = storage.getStorageLowBytes( 12974 Environment.getDataDirectory()); 12975 12976 final long sizeBytes = mContainerService.calculateInstalledSize( 12977 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12978 12979 try { 12980 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12981 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12982 installFlags, packageAbiOverride); 12983 } catch (InstallerException e) { 12984 Slog.w(TAG, "Failed to free cache", e); 12985 } 12986 12987 /* 12988 * The cache free must have deleted the file we 12989 * downloaded to install. 12990 * 12991 * TODO: fix the "freeCache" call to not delete 12992 * the file we care about. 12993 */ 12994 if (pkgLite.recommendedInstallLocation 12995 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12996 pkgLite.recommendedInstallLocation 12997 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12998 } 12999 } 13000 } 13001 13002 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13003 int loc = pkgLite.recommendedInstallLocation; 13004 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13005 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13006 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13007 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13008 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13009 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13010 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13011 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13012 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13013 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13014 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13015 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13016 } else { 13017 // Override with defaults if needed. 13018 loc = installLocationPolicy(pkgLite); 13019 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13020 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13021 } else if (!onSd && !onInt) { 13022 // Override install location with flags 13023 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13024 // Set the flag to install on external media. 13025 installFlags |= PackageManager.INSTALL_EXTERNAL; 13026 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13027 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13028 if (DEBUG_EPHEMERAL) { 13029 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13030 } 13031 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13032 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13033 |PackageManager.INSTALL_INTERNAL); 13034 } else { 13035 // Make sure the flag for installing on external 13036 // media is unset 13037 installFlags |= PackageManager.INSTALL_INTERNAL; 13038 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13039 } 13040 } 13041 } 13042 } 13043 13044 final InstallArgs args = createInstallArgs(this); 13045 mArgs = args; 13046 13047 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13048 // TODO: http://b/22976637 13049 // Apps installed for "all" users use the device owner to verify the app 13050 UserHandle verifierUser = getUser(); 13051 if (verifierUser == UserHandle.ALL) { 13052 verifierUser = UserHandle.SYSTEM; 13053 } 13054 13055 /* 13056 * Determine if we have any installed package verifiers. If we 13057 * do, then we'll defer to them to verify the packages. 13058 */ 13059 final int requiredUid = mRequiredVerifierPackage == null ? -1 13060 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13061 verifierUser.getIdentifier()); 13062 if (!origin.existing && requiredUid != -1 13063 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13064 final Intent verification = new Intent( 13065 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13066 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13067 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13068 PACKAGE_MIME_TYPE); 13069 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13070 13071 // Query all live verifiers based on current user state 13072 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13073 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13074 13075 if (DEBUG_VERIFY) { 13076 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13077 + verification.toString() + " with " + pkgLite.verifiers.length 13078 + " optional verifiers"); 13079 } 13080 13081 final int verificationId = mPendingVerificationToken++; 13082 13083 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13084 13085 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13086 installerPackageName); 13087 13088 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13089 installFlags); 13090 13091 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13092 pkgLite.packageName); 13093 13094 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13095 pkgLite.versionCode); 13096 13097 if (verificationInfo != null) { 13098 if (verificationInfo.originatingUri != null) { 13099 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13100 verificationInfo.originatingUri); 13101 } 13102 if (verificationInfo.referrer != null) { 13103 verification.putExtra(Intent.EXTRA_REFERRER, 13104 verificationInfo.referrer); 13105 } 13106 if (verificationInfo.originatingUid >= 0) { 13107 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13108 verificationInfo.originatingUid); 13109 } 13110 if (verificationInfo.installerUid >= 0) { 13111 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13112 verificationInfo.installerUid); 13113 } 13114 } 13115 13116 final PackageVerificationState verificationState = new PackageVerificationState( 13117 requiredUid, args); 13118 13119 mPendingVerification.append(verificationId, verificationState); 13120 13121 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13122 receivers, verificationState); 13123 13124 /* 13125 * If any sufficient verifiers were listed in the package 13126 * manifest, attempt to ask them. 13127 */ 13128 if (sufficientVerifiers != null) { 13129 final int N = sufficientVerifiers.size(); 13130 if (N == 0) { 13131 Slog.i(TAG, "Additional verifiers required, but none installed."); 13132 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13133 } else { 13134 for (int i = 0; i < N; i++) { 13135 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13136 13137 final Intent sufficientIntent = new Intent(verification); 13138 sufficientIntent.setComponent(verifierComponent); 13139 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13140 } 13141 } 13142 } 13143 13144 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13145 mRequiredVerifierPackage, receivers); 13146 if (ret == PackageManager.INSTALL_SUCCEEDED 13147 && mRequiredVerifierPackage != null) { 13148 Trace.asyncTraceBegin( 13149 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13150 /* 13151 * Send the intent to the required verification agent, 13152 * but only start the verification timeout after the 13153 * target BroadcastReceivers have run. 13154 */ 13155 verification.setComponent(requiredVerifierComponent); 13156 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13157 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13158 new BroadcastReceiver() { 13159 @Override 13160 public void onReceive(Context context, Intent intent) { 13161 final Message msg = mHandler 13162 .obtainMessage(CHECK_PENDING_VERIFICATION); 13163 msg.arg1 = verificationId; 13164 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13165 } 13166 }, null, 0, null, null); 13167 13168 /* 13169 * We don't want the copy to proceed until verification 13170 * succeeds, so null out this field. 13171 */ 13172 mArgs = null; 13173 } 13174 } else { 13175 /* 13176 * No package verification is enabled, so immediately start 13177 * the remote call to initiate copy using temporary file. 13178 */ 13179 ret = args.copyApk(mContainerService, true); 13180 } 13181 } 13182 13183 mRet = ret; 13184 } 13185 13186 @Override 13187 void handleReturnCode() { 13188 // If mArgs is null, then MCS couldn't be reached. When it 13189 // reconnects, it will try again to install. At that point, this 13190 // will succeed. 13191 if (mArgs != null) { 13192 processPendingInstall(mArgs, mRet); 13193 } 13194 } 13195 13196 @Override 13197 void handleServiceError() { 13198 mArgs = createInstallArgs(this); 13199 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13200 } 13201 13202 public boolean isForwardLocked() { 13203 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13204 } 13205 } 13206 13207 /** 13208 * Used during creation of InstallArgs 13209 * 13210 * @param installFlags package installation flags 13211 * @return true if should be installed on external storage 13212 */ 13213 private static boolean installOnExternalAsec(int installFlags) { 13214 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13215 return false; 13216 } 13217 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13218 return true; 13219 } 13220 return false; 13221 } 13222 13223 /** 13224 * Used during creation of InstallArgs 13225 * 13226 * @param installFlags package installation flags 13227 * @return true if should be installed as forward locked 13228 */ 13229 private static boolean installForwardLocked(int installFlags) { 13230 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13231 } 13232 13233 private InstallArgs createInstallArgs(InstallParams params) { 13234 if (params.move != null) { 13235 return new MoveInstallArgs(params); 13236 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13237 return new AsecInstallArgs(params); 13238 } else { 13239 return new FileInstallArgs(params); 13240 } 13241 } 13242 13243 /** 13244 * Create args that describe an existing installed package. Typically used 13245 * when cleaning up old installs, or used as a move source. 13246 */ 13247 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13248 String resourcePath, String[] instructionSets) { 13249 final boolean isInAsec; 13250 if (installOnExternalAsec(installFlags)) { 13251 /* Apps on SD card are always in ASEC containers. */ 13252 isInAsec = true; 13253 } else if (installForwardLocked(installFlags) 13254 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13255 /* 13256 * Forward-locked apps are only in ASEC containers if they're the 13257 * new style 13258 */ 13259 isInAsec = true; 13260 } else { 13261 isInAsec = false; 13262 } 13263 13264 if (isInAsec) { 13265 return new AsecInstallArgs(codePath, instructionSets, 13266 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13267 } else { 13268 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13269 } 13270 } 13271 13272 static abstract class InstallArgs { 13273 /** @see InstallParams#origin */ 13274 final OriginInfo origin; 13275 /** @see InstallParams#move */ 13276 final MoveInfo move; 13277 13278 final IPackageInstallObserver2 observer; 13279 // Always refers to PackageManager flags only 13280 final int installFlags; 13281 final String installerPackageName; 13282 final String volumeUuid; 13283 final UserHandle user; 13284 final String abiOverride; 13285 final String[] installGrantPermissions; 13286 /** If non-null, drop an async trace when the install completes */ 13287 final String traceMethod; 13288 final int traceCookie; 13289 final Certificate[][] certificates; 13290 13291 // The list of instruction sets supported by this app. This is currently 13292 // only used during the rmdex() phase to clean up resources. We can get rid of this 13293 // if we move dex files under the common app path. 13294 /* nullable */ String[] instructionSets; 13295 13296 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13297 int installFlags, String installerPackageName, String volumeUuid, 13298 UserHandle user, String[] instructionSets, 13299 String abiOverride, String[] installGrantPermissions, 13300 String traceMethod, int traceCookie, Certificate[][] certificates) { 13301 this.origin = origin; 13302 this.move = move; 13303 this.installFlags = installFlags; 13304 this.observer = observer; 13305 this.installerPackageName = installerPackageName; 13306 this.volumeUuid = volumeUuid; 13307 this.user = user; 13308 this.instructionSets = instructionSets; 13309 this.abiOverride = abiOverride; 13310 this.installGrantPermissions = installGrantPermissions; 13311 this.traceMethod = traceMethod; 13312 this.traceCookie = traceCookie; 13313 this.certificates = certificates; 13314 } 13315 13316 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13317 abstract int doPreInstall(int status); 13318 13319 /** 13320 * Rename package into final resting place. All paths on the given 13321 * scanned package should be updated to reflect the rename. 13322 */ 13323 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13324 abstract int doPostInstall(int status, int uid); 13325 13326 /** @see PackageSettingBase#codePathString */ 13327 abstract String getCodePath(); 13328 /** @see PackageSettingBase#resourcePathString */ 13329 abstract String getResourcePath(); 13330 13331 // Need installer lock especially for dex file removal. 13332 abstract void cleanUpResourcesLI(); 13333 abstract boolean doPostDeleteLI(boolean delete); 13334 13335 /** 13336 * Called before the source arguments are copied. This is used mostly 13337 * for MoveParams when it needs to read the source file to put it in the 13338 * destination. 13339 */ 13340 int doPreCopy() { 13341 return PackageManager.INSTALL_SUCCEEDED; 13342 } 13343 13344 /** 13345 * Called after the source arguments are copied. This is used mostly for 13346 * MoveParams when it needs to read the source file to put it in the 13347 * destination. 13348 */ 13349 int doPostCopy(int uid) { 13350 return PackageManager.INSTALL_SUCCEEDED; 13351 } 13352 13353 protected boolean isFwdLocked() { 13354 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13355 } 13356 13357 protected boolean isExternalAsec() { 13358 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13359 } 13360 13361 protected boolean isEphemeral() { 13362 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13363 } 13364 13365 UserHandle getUser() { 13366 return user; 13367 } 13368 } 13369 13370 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13371 if (!allCodePaths.isEmpty()) { 13372 if (instructionSets == null) { 13373 throw new IllegalStateException("instructionSet == null"); 13374 } 13375 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13376 for (String codePath : allCodePaths) { 13377 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13378 try { 13379 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13380 } catch (InstallerException ignored) { 13381 } 13382 } 13383 } 13384 } 13385 } 13386 13387 /** 13388 * Logic to handle installation of non-ASEC applications, including copying 13389 * and renaming logic. 13390 */ 13391 class FileInstallArgs extends InstallArgs { 13392 private File codeFile; 13393 private File resourceFile; 13394 13395 // Example topology: 13396 // /data/app/com.example/base.apk 13397 // /data/app/com.example/split_foo.apk 13398 // /data/app/com.example/lib/arm/libfoo.so 13399 // /data/app/com.example/lib/arm64/libfoo.so 13400 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13401 13402 /** New install */ 13403 FileInstallArgs(InstallParams params) { 13404 super(params.origin, params.move, params.observer, params.installFlags, 13405 params.installerPackageName, params.volumeUuid, 13406 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13407 params.grantedRuntimePermissions, 13408 params.traceMethod, params.traceCookie, params.certificates); 13409 if (isFwdLocked()) { 13410 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13411 } 13412 } 13413 13414 /** Existing install */ 13415 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13416 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13417 null, null, null, 0, null /*certificates*/); 13418 this.codeFile = (codePath != null) ? new File(codePath) : null; 13419 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13420 } 13421 13422 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13423 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13424 try { 13425 return doCopyApk(imcs, temp); 13426 } finally { 13427 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13428 } 13429 } 13430 13431 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13432 if (origin.staged) { 13433 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13434 codeFile = origin.file; 13435 resourceFile = origin.file; 13436 return PackageManager.INSTALL_SUCCEEDED; 13437 } 13438 13439 try { 13440 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13441 final File tempDir = 13442 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13443 codeFile = tempDir; 13444 resourceFile = tempDir; 13445 } catch (IOException e) { 13446 Slog.w(TAG, "Failed to create copy file: " + e); 13447 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13448 } 13449 13450 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13451 @Override 13452 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13453 if (!FileUtils.isValidExtFilename(name)) { 13454 throw new IllegalArgumentException("Invalid filename: " + name); 13455 } 13456 try { 13457 final File file = new File(codeFile, name); 13458 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13459 O_RDWR | O_CREAT, 0644); 13460 Os.chmod(file.getAbsolutePath(), 0644); 13461 return new ParcelFileDescriptor(fd); 13462 } catch (ErrnoException e) { 13463 throw new RemoteException("Failed to open: " + e.getMessage()); 13464 } 13465 } 13466 }; 13467 13468 int ret = PackageManager.INSTALL_SUCCEEDED; 13469 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13470 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13471 Slog.e(TAG, "Failed to copy package"); 13472 return ret; 13473 } 13474 13475 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13476 NativeLibraryHelper.Handle handle = null; 13477 try { 13478 handle = NativeLibraryHelper.Handle.create(codeFile); 13479 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13480 abiOverride); 13481 } catch (IOException e) { 13482 Slog.e(TAG, "Copying native libraries failed", e); 13483 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13484 } finally { 13485 IoUtils.closeQuietly(handle); 13486 } 13487 13488 return ret; 13489 } 13490 13491 int doPreInstall(int status) { 13492 if (status != PackageManager.INSTALL_SUCCEEDED) { 13493 cleanUp(); 13494 } 13495 return status; 13496 } 13497 13498 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13499 if (status != PackageManager.INSTALL_SUCCEEDED) { 13500 cleanUp(); 13501 return false; 13502 } 13503 13504 final File targetDir = codeFile.getParentFile(); 13505 final File beforeCodeFile = codeFile; 13506 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13507 13508 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13509 try { 13510 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13511 } catch (ErrnoException e) { 13512 Slog.w(TAG, "Failed to rename", e); 13513 return false; 13514 } 13515 13516 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13517 Slog.w(TAG, "Failed to restorecon"); 13518 return false; 13519 } 13520 13521 // Reflect the rename internally 13522 codeFile = afterCodeFile; 13523 resourceFile = afterCodeFile; 13524 13525 // Reflect the rename in scanned details 13526 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13527 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13528 afterCodeFile, pkg.baseCodePath)); 13529 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13530 afterCodeFile, pkg.splitCodePaths)); 13531 13532 // Reflect the rename in app info 13533 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13534 pkg.setApplicationInfoCodePath(pkg.codePath); 13535 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13536 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13537 pkg.setApplicationInfoResourcePath(pkg.codePath); 13538 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13539 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13540 13541 return true; 13542 } 13543 13544 int doPostInstall(int status, int uid) { 13545 if (status != PackageManager.INSTALL_SUCCEEDED) { 13546 cleanUp(); 13547 } 13548 return status; 13549 } 13550 13551 @Override 13552 String getCodePath() { 13553 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13554 } 13555 13556 @Override 13557 String getResourcePath() { 13558 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13559 } 13560 13561 private boolean cleanUp() { 13562 if (codeFile == null || !codeFile.exists()) { 13563 return false; 13564 } 13565 13566 removeCodePathLI(codeFile); 13567 13568 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13569 resourceFile.delete(); 13570 } 13571 13572 return true; 13573 } 13574 13575 void cleanUpResourcesLI() { 13576 // Try enumerating all code paths before deleting 13577 List<String> allCodePaths = Collections.EMPTY_LIST; 13578 if (codeFile != null && codeFile.exists()) { 13579 try { 13580 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13581 allCodePaths = pkg.getAllCodePaths(); 13582 } catch (PackageParserException e) { 13583 // Ignored; we tried our best 13584 } 13585 } 13586 13587 cleanUp(); 13588 removeDexFiles(allCodePaths, instructionSets); 13589 } 13590 13591 boolean doPostDeleteLI(boolean delete) { 13592 // XXX err, shouldn't we respect the delete flag? 13593 cleanUpResourcesLI(); 13594 return true; 13595 } 13596 } 13597 13598 private boolean isAsecExternal(String cid) { 13599 final String asecPath = PackageHelper.getSdFilesystem(cid); 13600 return !asecPath.startsWith(mAsecInternalPath); 13601 } 13602 13603 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13604 PackageManagerException { 13605 if (copyRet < 0) { 13606 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13607 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13608 throw new PackageManagerException(copyRet, message); 13609 } 13610 } 13611 } 13612 13613 /** 13614 * Extract the MountService "container ID" from the full code path of an 13615 * .apk. 13616 */ 13617 static String cidFromCodePath(String fullCodePath) { 13618 int eidx = fullCodePath.lastIndexOf("/"); 13619 String subStr1 = fullCodePath.substring(0, eidx); 13620 int sidx = subStr1.lastIndexOf("/"); 13621 return subStr1.substring(sidx+1, eidx); 13622 } 13623 13624 /** 13625 * Logic to handle installation of ASEC applications, including copying and 13626 * renaming logic. 13627 */ 13628 class AsecInstallArgs extends InstallArgs { 13629 static final String RES_FILE_NAME = "pkg.apk"; 13630 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13631 13632 String cid; 13633 String packagePath; 13634 String resourcePath; 13635 13636 /** New install */ 13637 AsecInstallArgs(InstallParams params) { 13638 super(params.origin, params.move, params.observer, params.installFlags, 13639 params.installerPackageName, params.volumeUuid, 13640 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13641 params.grantedRuntimePermissions, 13642 params.traceMethod, params.traceCookie, params.certificates); 13643 } 13644 13645 /** Existing install */ 13646 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13647 boolean isExternal, boolean isForwardLocked) { 13648 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13649 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13650 instructionSets, null, null, null, 0, null /*certificates*/); 13651 // Hackily pretend we're still looking at a full code path 13652 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13653 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13654 } 13655 13656 // Extract cid from fullCodePath 13657 int eidx = fullCodePath.lastIndexOf("/"); 13658 String subStr1 = fullCodePath.substring(0, eidx); 13659 int sidx = subStr1.lastIndexOf("/"); 13660 cid = subStr1.substring(sidx+1, eidx); 13661 setMountPath(subStr1); 13662 } 13663 13664 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13665 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13666 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13667 instructionSets, null, null, null, 0, null /*certificates*/); 13668 this.cid = cid; 13669 setMountPath(PackageHelper.getSdDir(cid)); 13670 } 13671 13672 void createCopyFile() { 13673 cid = mInstallerService.allocateExternalStageCidLegacy(); 13674 } 13675 13676 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13677 if (origin.staged && origin.cid != null) { 13678 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13679 cid = origin.cid; 13680 setMountPath(PackageHelper.getSdDir(cid)); 13681 return PackageManager.INSTALL_SUCCEEDED; 13682 } 13683 13684 if (temp) { 13685 createCopyFile(); 13686 } else { 13687 /* 13688 * Pre-emptively destroy the container since it's destroyed if 13689 * copying fails due to it existing anyway. 13690 */ 13691 PackageHelper.destroySdDir(cid); 13692 } 13693 13694 final String newMountPath = imcs.copyPackageToContainer( 13695 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13696 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13697 13698 if (newMountPath != null) { 13699 setMountPath(newMountPath); 13700 return PackageManager.INSTALL_SUCCEEDED; 13701 } else { 13702 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13703 } 13704 } 13705 13706 @Override 13707 String getCodePath() { 13708 return packagePath; 13709 } 13710 13711 @Override 13712 String getResourcePath() { 13713 return resourcePath; 13714 } 13715 13716 int doPreInstall(int status) { 13717 if (status != PackageManager.INSTALL_SUCCEEDED) { 13718 // Destroy container 13719 PackageHelper.destroySdDir(cid); 13720 } else { 13721 boolean mounted = PackageHelper.isContainerMounted(cid); 13722 if (!mounted) { 13723 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13724 Process.SYSTEM_UID); 13725 if (newMountPath != null) { 13726 setMountPath(newMountPath); 13727 } else { 13728 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13729 } 13730 } 13731 } 13732 return status; 13733 } 13734 13735 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13736 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13737 String newMountPath = null; 13738 if (PackageHelper.isContainerMounted(cid)) { 13739 // Unmount the container 13740 if (!PackageHelper.unMountSdDir(cid)) { 13741 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13742 return false; 13743 } 13744 } 13745 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13746 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13747 " which might be stale. Will try to clean up."); 13748 // Clean up the stale container and proceed to recreate. 13749 if (!PackageHelper.destroySdDir(newCacheId)) { 13750 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13751 return false; 13752 } 13753 // Successfully cleaned up stale container. Try to rename again. 13754 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13755 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13756 + " inspite of cleaning it up."); 13757 return false; 13758 } 13759 } 13760 if (!PackageHelper.isContainerMounted(newCacheId)) { 13761 Slog.w(TAG, "Mounting container " + newCacheId); 13762 newMountPath = PackageHelper.mountSdDir(newCacheId, 13763 getEncryptKey(), Process.SYSTEM_UID); 13764 } else { 13765 newMountPath = PackageHelper.getSdDir(newCacheId); 13766 } 13767 if (newMountPath == null) { 13768 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13769 return false; 13770 } 13771 Log.i(TAG, "Succesfully renamed " + cid + 13772 " to " + newCacheId + 13773 " at new path: " + newMountPath); 13774 cid = newCacheId; 13775 13776 final File beforeCodeFile = new File(packagePath); 13777 setMountPath(newMountPath); 13778 final File afterCodeFile = new File(packagePath); 13779 13780 // Reflect the rename in scanned details 13781 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13782 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13783 afterCodeFile, pkg.baseCodePath)); 13784 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13785 afterCodeFile, pkg.splitCodePaths)); 13786 13787 // Reflect the rename in app info 13788 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13789 pkg.setApplicationInfoCodePath(pkg.codePath); 13790 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13791 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13792 pkg.setApplicationInfoResourcePath(pkg.codePath); 13793 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13794 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13795 13796 return true; 13797 } 13798 13799 private void setMountPath(String mountPath) { 13800 final File mountFile = new File(mountPath); 13801 13802 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13803 if (monolithicFile.exists()) { 13804 packagePath = monolithicFile.getAbsolutePath(); 13805 if (isFwdLocked()) { 13806 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13807 } else { 13808 resourcePath = packagePath; 13809 } 13810 } else { 13811 packagePath = mountFile.getAbsolutePath(); 13812 resourcePath = packagePath; 13813 } 13814 } 13815 13816 int doPostInstall(int status, int uid) { 13817 if (status != PackageManager.INSTALL_SUCCEEDED) { 13818 cleanUp(); 13819 } else { 13820 final int groupOwner; 13821 final String protectedFile; 13822 if (isFwdLocked()) { 13823 groupOwner = UserHandle.getSharedAppGid(uid); 13824 protectedFile = RES_FILE_NAME; 13825 } else { 13826 groupOwner = -1; 13827 protectedFile = null; 13828 } 13829 13830 if (uid < Process.FIRST_APPLICATION_UID 13831 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13832 Slog.e(TAG, "Failed to finalize " + cid); 13833 PackageHelper.destroySdDir(cid); 13834 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13835 } 13836 13837 boolean mounted = PackageHelper.isContainerMounted(cid); 13838 if (!mounted) { 13839 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13840 } 13841 } 13842 return status; 13843 } 13844 13845 private void cleanUp() { 13846 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13847 13848 // Destroy secure container 13849 PackageHelper.destroySdDir(cid); 13850 } 13851 13852 private List<String> getAllCodePaths() { 13853 final File codeFile = new File(getCodePath()); 13854 if (codeFile != null && codeFile.exists()) { 13855 try { 13856 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13857 return pkg.getAllCodePaths(); 13858 } catch (PackageParserException e) { 13859 // Ignored; we tried our best 13860 } 13861 } 13862 return Collections.EMPTY_LIST; 13863 } 13864 13865 void cleanUpResourcesLI() { 13866 // Enumerate all code paths before deleting 13867 cleanUpResourcesLI(getAllCodePaths()); 13868 } 13869 13870 private void cleanUpResourcesLI(List<String> allCodePaths) { 13871 cleanUp(); 13872 removeDexFiles(allCodePaths, instructionSets); 13873 } 13874 13875 String getPackageName() { 13876 return getAsecPackageName(cid); 13877 } 13878 13879 boolean doPostDeleteLI(boolean delete) { 13880 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13881 final List<String> allCodePaths = getAllCodePaths(); 13882 boolean mounted = PackageHelper.isContainerMounted(cid); 13883 if (mounted) { 13884 // Unmount first 13885 if (PackageHelper.unMountSdDir(cid)) { 13886 mounted = false; 13887 } 13888 } 13889 if (!mounted && delete) { 13890 cleanUpResourcesLI(allCodePaths); 13891 } 13892 return !mounted; 13893 } 13894 13895 @Override 13896 int doPreCopy() { 13897 if (isFwdLocked()) { 13898 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13899 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13900 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13901 } 13902 } 13903 13904 return PackageManager.INSTALL_SUCCEEDED; 13905 } 13906 13907 @Override 13908 int doPostCopy(int uid) { 13909 if (isFwdLocked()) { 13910 if (uid < Process.FIRST_APPLICATION_UID 13911 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13912 RES_FILE_NAME)) { 13913 Slog.e(TAG, "Failed to finalize " + cid); 13914 PackageHelper.destroySdDir(cid); 13915 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13916 } 13917 } 13918 13919 return PackageManager.INSTALL_SUCCEEDED; 13920 } 13921 } 13922 13923 /** 13924 * Logic to handle movement of existing installed applications. 13925 */ 13926 class MoveInstallArgs extends InstallArgs { 13927 private File codeFile; 13928 private File resourceFile; 13929 13930 /** New install */ 13931 MoveInstallArgs(InstallParams params) { 13932 super(params.origin, params.move, params.observer, params.installFlags, 13933 params.installerPackageName, params.volumeUuid, 13934 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13935 params.grantedRuntimePermissions, 13936 params.traceMethod, params.traceCookie, params.certificates); 13937 } 13938 13939 int copyApk(IMediaContainerService imcs, boolean temp) { 13940 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13941 + move.fromUuid + " to " + move.toUuid); 13942 synchronized (mInstaller) { 13943 try { 13944 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13945 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13946 } catch (InstallerException e) { 13947 Slog.w(TAG, "Failed to move app", e); 13948 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13949 } 13950 } 13951 13952 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13953 resourceFile = codeFile; 13954 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13955 13956 return PackageManager.INSTALL_SUCCEEDED; 13957 } 13958 13959 int doPreInstall(int status) { 13960 if (status != PackageManager.INSTALL_SUCCEEDED) { 13961 cleanUp(move.toUuid); 13962 } 13963 return status; 13964 } 13965 13966 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13967 if (status != PackageManager.INSTALL_SUCCEEDED) { 13968 cleanUp(move.toUuid); 13969 return false; 13970 } 13971 13972 // Reflect the move in app info 13973 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13974 pkg.setApplicationInfoCodePath(pkg.codePath); 13975 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13976 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13977 pkg.setApplicationInfoResourcePath(pkg.codePath); 13978 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13979 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13980 13981 return true; 13982 } 13983 13984 int doPostInstall(int status, int uid) { 13985 if (status == PackageManager.INSTALL_SUCCEEDED) { 13986 cleanUp(move.fromUuid); 13987 } else { 13988 cleanUp(move.toUuid); 13989 } 13990 return status; 13991 } 13992 13993 @Override 13994 String getCodePath() { 13995 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13996 } 13997 13998 @Override 13999 String getResourcePath() { 14000 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14001 } 14002 14003 private boolean cleanUp(String volumeUuid) { 14004 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14005 move.dataAppName); 14006 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14007 final int[] userIds = sUserManager.getUserIds(); 14008 synchronized (mInstallLock) { 14009 // Clean up both app data and code 14010 // All package moves are frozen until finished 14011 for (int userId : userIds) { 14012 try { 14013 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14014 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14015 } catch (InstallerException e) { 14016 Slog.w(TAG, String.valueOf(e)); 14017 } 14018 } 14019 removeCodePathLI(codeFile); 14020 } 14021 return true; 14022 } 14023 14024 void cleanUpResourcesLI() { 14025 throw new UnsupportedOperationException(); 14026 } 14027 14028 boolean doPostDeleteLI(boolean delete) { 14029 throw new UnsupportedOperationException(); 14030 } 14031 } 14032 14033 static String getAsecPackageName(String packageCid) { 14034 int idx = packageCid.lastIndexOf("-"); 14035 if (idx == -1) { 14036 return packageCid; 14037 } 14038 return packageCid.substring(0, idx); 14039 } 14040 14041 // Utility method used to create code paths based on package name and available index. 14042 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14043 String idxStr = ""; 14044 int idx = 1; 14045 // Fall back to default value of idx=1 if prefix is not 14046 // part of oldCodePath 14047 if (oldCodePath != null) { 14048 String subStr = oldCodePath; 14049 // Drop the suffix right away 14050 if (suffix != null && subStr.endsWith(suffix)) { 14051 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14052 } 14053 // If oldCodePath already contains prefix find out the 14054 // ending index to either increment or decrement. 14055 int sidx = subStr.lastIndexOf(prefix); 14056 if (sidx != -1) { 14057 subStr = subStr.substring(sidx + prefix.length()); 14058 if (subStr != null) { 14059 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14060 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14061 } 14062 try { 14063 idx = Integer.parseInt(subStr); 14064 if (idx <= 1) { 14065 idx++; 14066 } else { 14067 idx--; 14068 } 14069 } catch(NumberFormatException e) { 14070 } 14071 } 14072 } 14073 } 14074 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14075 return prefix + idxStr; 14076 } 14077 14078 private File getNextCodePath(File targetDir, String packageName) { 14079 int suffix = 1; 14080 File result; 14081 do { 14082 result = new File(targetDir, packageName + "-" + suffix); 14083 suffix++; 14084 } while (result.exists()); 14085 return result; 14086 } 14087 14088 // Utility method that returns the relative package path with respect 14089 // to the installation directory. Like say for /data/data/com.test-1.apk 14090 // string com.test-1 is returned. 14091 static String deriveCodePathName(String codePath) { 14092 if (codePath == null) { 14093 return null; 14094 } 14095 final File codeFile = new File(codePath); 14096 final String name = codeFile.getName(); 14097 if (codeFile.isDirectory()) { 14098 return name; 14099 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14100 final int lastDot = name.lastIndexOf('.'); 14101 return name.substring(0, lastDot); 14102 } else { 14103 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14104 return null; 14105 } 14106 } 14107 14108 static class PackageInstalledInfo { 14109 String name; 14110 int uid; 14111 // The set of users that originally had this package installed. 14112 int[] origUsers; 14113 // The set of users that now have this package installed. 14114 int[] newUsers; 14115 PackageParser.Package pkg; 14116 int returnCode; 14117 String returnMsg; 14118 PackageRemovedInfo removedInfo; 14119 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14120 14121 public void setError(int code, String msg) { 14122 setReturnCode(code); 14123 setReturnMessage(msg); 14124 Slog.w(TAG, msg); 14125 } 14126 14127 public void setError(String msg, PackageParserException e) { 14128 setReturnCode(e.error); 14129 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14130 Slog.w(TAG, msg, e); 14131 } 14132 14133 public void setError(String msg, PackageManagerException e) { 14134 returnCode = e.error; 14135 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14136 Slog.w(TAG, msg, e); 14137 } 14138 14139 public void setReturnCode(int returnCode) { 14140 this.returnCode = returnCode; 14141 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14142 for (int i = 0; i < childCount; i++) { 14143 addedChildPackages.valueAt(i).returnCode = returnCode; 14144 } 14145 } 14146 14147 private void setReturnMessage(String returnMsg) { 14148 this.returnMsg = returnMsg; 14149 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14150 for (int i = 0; i < childCount; i++) { 14151 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14152 } 14153 } 14154 14155 // In some error cases we want to convey more info back to the observer 14156 String origPackage; 14157 String origPermission; 14158 } 14159 14160 /* 14161 * Install a non-existing package. 14162 */ 14163 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14164 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14165 PackageInstalledInfo res) { 14166 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14167 14168 // Remember this for later, in case we need to rollback this install 14169 String pkgName = pkg.packageName; 14170 14171 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14172 14173 synchronized(mPackages) { 14174 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14175 // A package with the same name is already installed, though 14176 // it has been renamed to an older name. The package we 14177 // are trying to install should be installed as an update to 14178 // the existing one, but that has not been requested, so bail. 14179 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14180 + " without first uninstalling package running as " 14181 + mSettings.mRenamedPackages.get(pkgName)); 14182 return; 14183 } 14184 if (mPackages.containsKey(pkgName)) { 14185 // Don't allow installation over an existing package with the same name. 14186 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14187 + " without first uninstalling."); 14188 return; 14189 } 14190 } 14191 14192 try { 14193 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14194 System.currentTimeMillis(), user); 14195 14196 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14197 14198 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14199 prepareAppDataAfterInstallLIF(newPackage); 14200 14201 } else { 14202 // Remove package from internal structures, but keep around any 14203 // data that might have already existed 14204 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14205 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14206 } 14207 } catch (PackageManagerException e) { 14208 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14209 } 14210 14211 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14212 } 14213 14214 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14215 // Can't rotate keys during boot or if sharedUser. 14216 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14217 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14218 return false; 14219 } 14220 // app is using upgradeKeySets; make sure all are valid 14221 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14222 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14223 for (int i = 0; i < upgradeKeySets.length; i++) { 14224 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14225 Slog.wtf(TAG, "Package " 14226 + (oldPs.name != null ? oldPs.name : "<null>") 14227 + " contains upgrade-key-set reference to unknown key-set: " 14228 + upgradeKeySets[i] 14229 + " reverting to signatures check."); 14230 return false; 14231 } 14232 } 14233 return true; 14234 } 14235 14236 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14237 // Upgrade keysets are being used. Determine if new package has a superset of the 14238 // required keys. 14239 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14240 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14241 for (int i = 0; i < upgradeKeySets.length; i++) { 14242 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14243 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14244 return true; 14245 } 14246 } 14247 return false; 14248 } 14249 14250 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14251 try (DigestInputStream digestStream = 14252 new DigestInputStream(new FileInputStream(file), digest)) { 14253 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14254 } 14255 } 14256 14257 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14258 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14259 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14260 14261 final PackageParser.Package oldPackage; 14262 final String pkgName = pkg.packageName; 14263 final int[] allUsers; 14264 final int[] installedUsers; 14265 14266 synchronized(mPackages) { 14267 oldPackage = mPackages.get(pkgName); 14268 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14269 14270 // don't allow upgrade to target a release SDK from a pre-release SDK 14271 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14272 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14273 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14274 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14275 if (oldTargetsPreRelease 14276 && !newTargetsPreRelease 14277 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14278 Slog.w(TAG, "Can't install package targeting released sdk"); 14279 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14280 return; 14281 } 14282 14283 // don't allow an upgrade from full to ephemeral 14284 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14285 if (isEphemeral && !oldIsEphemeral) { 14286 // can't downgrade from full to ephemeral 14287 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14288 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14289 return; 14290 } 14291 14292 // verify signatures are valid 14293 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14294 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14295 if (!checkUpgradeKeySetLP(ps, pkg)) { 14296 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14297 "New package not signed by keys specified by upgrade-keysets: " 14298 + pkgName); 14299 return; 14300 } 14301 } else { 14302 // default to original signature matching 14303 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14304 != PackageManager.SIGNATURE_MATCH) { 14305 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14306 "New package has a different signature: " + pkgName); 14307 return; 14308 } 14309 } 14310 14311 // don't allow a system upgrade unless the upgrade hash matches 14312 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14313 byte[] digestBytes = null; 14314 try { 14315 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14316 updateDigest(digest, new File(pkg.baseCodePath)); 14317 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14318 for (String path : pkg.splitCodePaths) { 14319 updateDigest(digest, new File(path)); 14320 } 14321 } 14322 digestBytes = digest.digest(); 14323 } catch (NoSuchAlgorithmException | IOException e) { 14324 res.setError(INSTALL_FAILED_INVALID_APK, 14325 "Could not compute hash: " + pkgName); 14326 return; 14327 } 14328 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14329 res.setError(INSTALL_FAILED_INVALID_APK, 14330 "New package fails restrict-update check: " + pkgName); 14331 return; 14332 } 14333 // retain upgrade restriction 14334 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14335 } 14336 14337 // Check for shared user id changes 14338 String invalidPackageName = 14339 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14340 if (invalidPackageName != null) { 14341 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14342 "Package " + invalidPackageName + " tried to change user " 14343 + oldPackage.mSharedUserId); 14344 return; 14345 } 14346 14347 // In case of rollback, remember per-user/profile install state 14348 allUsers = sUserManager.getUserIds(); 14349 installedUsers = ps.queryInstalledUsers(allUsers, true); 14350 } 14351 14352 // Update what is removed 14353 res.removedInfo = new PackageRemovedInfo(); 14354 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14355 res.removedInfo.removedPackage = oldPackage.packageName; 14356 res.removedInfo.isUpdate = true; 14357 res.removedInfo.origUsers = installedUsers; 14358 final int childCount = (oldPackage.childPackages != null) 14359 ? oldPackage.childPackages.size() : 0; 14360 for (int i = 0; i < childCount; i++) { 14361 boolean childPackageUpdated = false; 14362 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14363 if (res.addedChildPackages != null) { 14364 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14365 if (childRes != null) { 14366 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14367 childRes.removedInfo.removedPackage = childPkg.packageName; 14368 childRes.removedInfo.isUpdate = true; 14369 childPackageUpdated = true; 14370 } 14371 } 14372 if (!childPackageUpdated) { 14373 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14374 childRemovedRes.removedPackage = childPkg.packageName; 14375 childRemovedRes.isUpdate = false; 14376 childRemovedRes.dataRemoved = true; 14377 synchronized (mPackages) { 14378 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14379 if (childPs != null) { 14380 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14381 } 14382 } 14383 if (res.removedInfo.removedChildPackages == null) { 14384 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14385 } 14386 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14387 } 14388 } 14389 14390 boolean sysPkg = (isSystemApp(oldPackage)); 14391 if (sysPkg) { 14392 // Set the system/privileged flags as needed 14393 final boolean privileged = 14394 (oldPackage.applicationInfo.privateFlags 14395 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14396 final int systemPolicyFlags = policyFlags 14397 | PackageParser.PARSE_IS_SYSTEM 14398 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14399 14400 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14401 user, allUsers, installerPackageName, res); 14402 } else { 14403 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14404 user, allUsers, installerPackageName, res); 14405 } 14406 } 14407 14408 public List<String> getPreviousCodePaths(String packageName) { 14409 final PackageSetting ps = mSettings.mPackages.get(packageName); 14410 final List<String> result = new ArrayList<String>(); 14411 if (ps != null && ps.oldCodePaths != null) { 14412 result.addAll(ps.oldCodePaths); 14413 } 14414 return result; 14415 } 14416 14417 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14418 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14419 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14420 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14421 + deletedPackage); 14422 14423 String pkgName = deletedPackage.packageName; 14424 boolean deletedPkg = true; 14425 boolean addedPkg = false; 14426 boolean updatedSettings = false; 14427 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14428 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14429 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14430 14431 final long origUpdateTime = (pkg.mExtras != null) 14432 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14433 14434 // First delete the existing package while retaining the data directory 14435 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14436 res.removedInfo, true, pkg)) { 14437 // If the existing package wasn't successfully deleted 14438 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14439 deletedPkg = false; 14440 } else { 14441 // Successfully deleted the old package; proceed with replace. 14442 14443 // If deleted package lived in a container, give users a chance to 14444 // relinquish resources before killing. 14445 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14446 if (DEBUG_INSTALL) { 14447 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14448 } 14449 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14450 final ArrayList<String> pkgList = new ArrayList<String>(1); 14451 pkgList.add(deletedPackage.applicationInfo.packageName); 14452 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14453 } 14454 14455 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14456 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14457 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14458 14459 try { 14460 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14461 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14462 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14463 14464 // Update the in-memory copy of the previous code paths. 14465 PackageSetting ps = mSettings.mPackages.get(pkgName); 14466 if (!killApp) { 14467 if (ps.oldCodePaths == null) { 14468 ps.oldCodePaths = new ArraySet<>(); 14469 } 14470 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14471 if (deletedPackage.splitCodePaths != null) { 14472 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14473 } 14474 } else { 14475 ps.oldCodePaths = null; 14476 } 14477 if (ps.childPackageNames != null) { 14478 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14479 final String childPkgName = ps.childPackageNames.get(i); 14480 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14481 childPs.oldCodePaths = ps.oldCodePaths; 14482 } 14483 } 14484 prepareAppDataAfterInstallLIF(newPackage); 14485 addedPkg = true; 14486 } catch (PackageManagerException e) { 14487 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14488 } 14489 } 14490 14491 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14492 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14493 14494 // Revert all internal state mutations and added folders for the failed install 14495 if (addedPkg) { 14496 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14497 res.removedInfo, true, null); 14498 } 14499 14500 // Restore the old package 14501 if (deletedPkg) { 14502 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14503 File restoreFile = new File(deletedPackage.codePath); 14504 // Parse old package 14505 boolean oldExternal = isExternal(deletedPackage); 14506 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14507 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14508 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14509 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14510 try { 14511 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14512 null); 14513 } catch (PackageManagerException e) { 14514 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14515 + e.getMessage()); 14516 return; 14517 } 14518 14519 synchronized (mPackages) { 14520 // Ensure the installer package name up to date 14521 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14522 14523 // Update permissions for restored package 14524 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14525 14526 mSettings.writeLPr(); 14527 } 14528 14529 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14530 } 14531 } else { 14532 synchronized (mPackages) { 14533 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14534 if (ps != null) { 14535 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14536 if (res.removedInfo.removedChildPackages != null) { 14537 final int childCount = res.removedInfo.removedChildPackages.size(); 14538 // Iterate in reverse as we may modify the collection 14539 for (int i = childCount - 1; i >= 0; i--) { 14540 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14541 if (res.addedChildPackages.containsKey(childPackageName)) { 14542 res.removedInfo.removedChildPackages.removeAt(i); 14543 } else { 14544 PackageRemovedInfo childInfo = res.removedInfo 14545 .removedChildPackages.valueAt(i); 14546 childInfo.removedForAllUsers = mPackages.get( 14547 childInfo.removedPackage) == null; 14548 } 14549 } 14550 } 14551 } 14552 } 14553 } 14554 } 14555 14556 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14557 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14558 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14559 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14560 + ", old=" + deletedPackage); 14561 14562 final boolean disabledSystem; 14563 14564 // Remove existing system package 14565 removePackageLI(deletedPackage, true); 14566 14567 synchronized (mPackages) { 14568 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14569 } 14570 if (!disabledSystem) { 14571 // We didn't need to disable the .apk as a current system package, 14572 // which means we are replacing another update that is already 14573 // installed. We need to make sure to delete the older one's .apk. 14574 res.removedInfo.args = createInstallArgsForExisting(0, 14575 deletedPackage.applicationInfo.getCodePath(), 14576 deletedPackage.applicationInfo.getResourcePath(), 14577 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14578 } else { 14579 res.removedInfo.args = null; 14580 } 14581 14582 // Successfully disabled the old package. Now proceed with re-installation 14583 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14584 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14585 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14586 14587 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14588 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14589 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14590 14591 PackageParser.Package newPackage = null; 14592 try { 14593 // Add the package to the internal data structures 14594 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14595 14596 // Set the update and install times 14597 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14598 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14599 System.currentTimeMillis()); 14600 14601 // Update the package dynamic state if succeeded 14602 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14603 // Now that the install succeeded make sure we remove data 14604 // directories for any child package the update removed. 14605 final int deletedChildCount = (deletedPackage.childPackages != null) 14606 ? deletedPackage.childPackages.size() : 0; 14607 final int newChildCount = (newPackage.childPackages != null) 14608 ? newPackage.childPackages.size() : 0; 14609 for (int i = 0; i < deletedChildCount; i++) { 14610 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14611 boolean childPackageDeleted = true; 14612 for (int j = 0; j < newChildCount; j++) { 14613 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14614 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14615 childPackageDeleted = false; 14616 break; 14617 } 14618 } 14619 if (childPackageDeleted) { 14620 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14621 deletedChildPkg.packageName); 14622 if (ps != null && res.removedInfo.removedChildPackages != null) { 14623 PackageRemovedInfo removedChildRes = res.removedInfo 14624 .removedChildPackages.get(deletedChildPkg.packageName); 14625 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14626 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14627 } 14628 } 14629 } 14630 14631 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14632 prepareAppDataAfterInstallLIF(newPackage); 14633 } 14634 } catch (PackageManagerException e) { 14635 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14636 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14637 } 14638 14639 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14640 // Re installation failed. Restore old information 14641 // Remove new pkg information 14642 if (newPackage != null) { 14643 removeInstalledPackageLI(newPackage, true); 14644 } 14645 // Add back the old system package 14646 try { 14647 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14648 } catch (PackageManagerException e) { 14649 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14650 } 14651 14652 synchronized (mPackages) { 14653 if (disabledSystem) { 14654 enableSystemPackageLPw(deletedPackage); 14655 } 14656 14657 // Ensure the installer package name up to date 14658 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14659 14660 // Update permissions for restored package 14661 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14662 14663 mSettings.writeLPr(); 14664 } 14665 14666 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14667 + " after failed upgrade"); 14668 } 14669 } 14670 14671 /** 14672 * Checks whether the parent or any of the child packages have a change shared 14673 * user. For a package to be a valid update the shred users of the parent and 14674 * the children should match. We may later support changing child shared users. 14675 * @param oldPkg The updated package. 14676 * @param newPkg The update package. 14677 * @return The shared user that change between the versions. 14678 */ 14679 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14680 PackageParser.Package newPkg) { 14681 // Check parent shared user 14682 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14683 return newPkg.packageName; 14684 } 14685 // Check child shared users 14686 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14687 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14688 for (int i = 0; i < newChildCount; i++) { 14689 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14690 // If this child was present, did it have the same shared user? 14691 for (int j = 0; j < oldChildCount; j++) { 14692 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14693 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14694 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14695 return newChildPkg.packageName; 14696 } 14697 } 14698 } 14699 return null; 14700 } 14701 14702 private void removeNativeBinariesLI(PackageSetting ps) { 14703 // Remove the lib path for the parent package 14704 if (ps != null) { 14705 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14706 // Remove the lib path for the child packages 14707 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14708 for (int i = 0; i < childCount; i++) { 14709 PackageSetting childPs = null; 14710 synchronized (mPackages) { 14711 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14712 } 14713 if (childPs != null) { 14714 NativeLibraryHelper.removeNativeBinariesLI(childPs 14715 .legacyNativeLibraryPathString); 14716 } 14717 } 14718 } 14719 } 14720 14721 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14722 // Enable the parent package 14723 mSettings.enableSystemPackageLPw(pkg.packageName); 14724 // Enable the child packages 14725 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14726 for (int i = 0; i < childCount; i++) { 14727 PackageParser.Package childPkg = pkg.childPackages.get(i); 14728 mSettings.enableSystemPackageLPw(childPkg.packageName); 14729 } 14730 } 14731 14732 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14733 PackageParser.Package newPkg) { 14734 // Disable the parent package (parent always replaced) 14735 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14736 // Disable the child packages 14737 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14738 for (int i = 0; i < childCount; i++) { 14739 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14740 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14741 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14742 } 14743 return disabled; 14744 } 14745 14746 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14747 String installerPackageName) { 14748 // Enable the parent package 14749 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14750 // Enable the child packages 14751 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14752 for (int i = 0; i < childCount; i++) { 14753 PackageParser.Package childPkg = pkg.childPackages.get(i); 14754 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14755 } 14756 } 14757 14758 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14759 // Collect all used permissions in the UID 14760 ArraySet<String> usedPermissions = new ArraySet<>(); 14761 final int packageCount = su.packages.size(); 14762 for (int i = 0; i < packageCount; i++) { 14763 PackageSetting ps = su.packages.valueAt(i); 14764 if (ps.pkg == null) { 14765 continue; 14766 } 14767 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14768 for (int j = 0; j < requestedPermCount; j++) { 14769 String permission = ps.pkg.requestedPermissions.get(j); 14770 BasePermission bp = mSettings.mPermissions.get(permission); 14771 if (bp != null) { 14772 usedPermissions.add(permission); 14773 } 14774 } 14775 } 14776 14777 PermissionsState permissionsState = su.getPermissionsState(); 14778 // Prune install permissions 14779 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14780 final int installPermCount = installPermStates.size(); 14781 for (int i = installPermCount - 1; i >= 0; i--) { 14782 PermissionState permissionState = installPermStates.get(i); 14783 if (!usedPermissions.contains(permissionState.getName())) { 14784 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14785 if (bp != null) { 14786 permissionsState.revokeInstallPermission(bp); 14787 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14788 PackageManager.MASK_PERMISSION_FLAGS, 0); 14789 } 14790 } 14791 } 14792 14793 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14794 14795 // Prune runtime permissions 14796 for (int userId : allUserIds) { 14797 List<PermissionState> runtimePermStates = permissionsState 14798 .getRuntimePermissionStates(userId); 14799 final int runtimePermCount = runtimePermStates.size(); 14800 for (int i = runtimePermCount - 1; i >= 0; i--) { 14801 PermissionState permissionState = runtimePermStates.get(i); 14802 if (!usedPermissions.contains(permissionState.getName())) { 14803 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14804 if (bp != null) { 14805 permissionsState.revokeRuntimePermission(bp, userId); 14806 permissionsState.updatePermissionFlags(bp, userId, 14807 PackageManager.MASK_PERMISSION_FLAGS, 0); 14808 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14809 runtimePermissionChangedUserIds, userId); 14810 } 14811 } 14812 } 14813 } 14814 14815 return runtimePermissionChangedUserIds; 14816 } 14817 14818 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14819 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14820 // Update the parent package setting 14821 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14822 res, user); 14823 // Update the child packages setting 14824 final int childCount = (newPackage.childPackages != null) 14825 ? newPackage.childPackages.size() : 0; 14826 for (int i = 0; i < childCount; i++) { 14827 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14828 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14829 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14830 childRes.origUsers, childRes, user); 14831 } 14832 } 14833 14834 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14835 String installerPackageName, int[] allUsers, int[] installedForUsers, 14836 PackageInstalledInfo res, UserHandle user) { 14837 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14838 14839 String pkgName = newPackage.packageName; 14840 synchronized (mPackages) { 14841 //write settings. the installStatus will be incomplete at this stage. 14842 //note that the new package setting would have already been 14843 //added to mPackages. It hasn't been persisted yet. 14844 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14845 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14846 mSettings.writeLPr(); 14847 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14848 } 14849 14850 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14851 synchronized (mPackages) { 14852 updatePermissionsLPw(newPackage.packageName, newPackage, 14853 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14854 ? UPDATE_PERMISSIONS_ALL : 0)); 14855 // For system-bundled packages, we assume that installing an upgraded version 14856 // of the package implies that the user actually wants to run that new code, 14857 // so we enable the package. 14858 PackageSetting ps = mSettings.mPackages.get(pkgName); 14859 final int userId = user.getIdentifier(); 14860 if (ps != null) { 14861 if (isSystemApp(newPackage)) { 14862 if (DEBUG_INSTALL) { 14863 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14864 } 14865 // Enable system package for requested users 14866 if (res.origUsers != null) { 14867 for (int origUserId : res.origUsers) { 14868 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14869 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14870 origUserId, installerPackageName); 14871 } 14872 } 14873 } 14874 // Also convey the prior install/uninstall state 14875 if (allUsers != null && installedForUsers != null) { 14876 for (int currentUserId : allUsers) { 14877 final boolean installed = ArrayUtils.contains( 14878 installedForUsers, currentUserId); 14879 if (DEBUG_INSTALL) { 14880 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14881 } 14882 ps.setInstalled(installed, currentUserId); 14883 } 14884 // these install state changes will be persisted in the 14885 // upcoming call to mSettings.writeLPr(). 14886 } 14887 } 14888 // It's implied that when a user requests installation, they want the app to be 14889 // installed and enabled. 14890 if (userId != UserHandle.USER_ALL) { 14891 ps.setInstalled(true, userId); 14892 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14893 } 14894 } 14895 res.name = pkgName; 14896 res.uid = newPackage.applicationInfo.uid; 14897 res.pkg = newPackage; 14898 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14899 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14900 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14901 //to update install status 14902 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14903 mSettings.writeLPr(); 14904 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14905 } 14906 14907 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14908 } 14909 14910 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14911 try { 14912 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14913 installPackageLI(args, res); 14914 } finally { 14915 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14916 } 14917 } 14918 14919 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14920 final int installFlags = args.installFlags; 14921 final String installerPackageName = args.installerPackageName; 14922 final String volumeUuid = args.volumeUuid; 14923 final File tmpPackageFile = new File(args.getCodePath()); 14924 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14925 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14926 || (args.volumeUuid != null)); 14927 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14928 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14929 boolean replace = false; 14930 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14931 if (args.move != null) { 14932 // moving a complete application; perform an initial scan on the new install location 14933 scanFlags |= SCAN_INITIAL; 14934 } 14935 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14936 scanFlags |= SCAN_DONT_KILL_APP; 14937 } 14938 14939 // Result object to be returned 14940 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14941 14942 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14943 14944 // Sanity check 14945 if (ephemeral && (forwardLocked || onExternal)) { 14946 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14947 + " external=" + onExternal); 14948 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14949 return; 14950 } 14951 14952 // Retrieve PackageSettings and parse package 14953 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14954 | PackageParser.PARSE_ENFORCE_CODE 14955 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14956 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14957 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14958 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14959 PackageParser pp = new PackageParser(); 14960 pp.setSeparateProcesses(mSeparateProcesses); 14961 pp.setDisplayMetrics(mMetrics); 14962 14963 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14964 final PackageParser.Package pkg; 14965 try { 14966 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14967 } catch (PackageParserException e) { 14968 res.setError("Failed parse during installPackageLI", e); 14969 return; 14970 } finally { 14971 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14972 } 14973 14974 // If we are installing a clustered package add results for the children 14975 if (pkg.childPackages != null) { 14976 synchronized (mPackages) { 14977 final int childCount = pkg.childPackages.size(); 14978 for (int i = 0; i < childCount; i++) { 14979 PackageParser.Package childPkg = pkg.childPackages.get(i); 14980 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14981 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14982 childRes.pkg = childPkg; 14983 childRes.name = childPkg.packageName; 14984 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14985 if (childPs != null) { 14986 childRes.origUsers = childPs.queryInstalledUsers( 14987 sUserManager.getUserIds(), true); 14988 } 14989 if ((mPackages.containsKey(childPkg.packageName))) { 14990 childRes.removedInfo = new PackageRemovedInfo(); 14991 childRes.removedInfo.removedPackage = childPkg.packageName; 14992 } 14993 if (res.addedChildPackages == null) { 14994 res.addedChildPackages = new ArrayMap<>(); 14995 } 14996 res.addedChildPackages.put(childPkg.packageName, childRes); 14997 } 14998 } 14999 } 15000 15001 // If package doesn't declare API override, mark that we have an install 15002 // time CPU ABI override. 15003 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15004 pkg.cpuAbiOverride = args.abiOverride; 15005 } 15006 15007 String pkgName = res.name = pkg.packageName; 15008 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15009 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15010 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15011 return; 15012 } 15013 } 15014 15015 try { 15016 // either use what we've been given or parse directly from the APK 15017 if (args.certificates != null) { 15018 try { 15019 PackageParser.populateCertificates(pkg, args.certificates); 15020 } catch (PackageParserException e) { 15021 // there was something wrong with the certificates we were given; 15022 // try to pull them from the APK 15023 PackageParser.collectCertificates(pkg, parseFlags); 15024 } 15025 } else { 15026 PackageParser.collectCertificates(pkg, parseFlags); 15027 } 15028 } catch (PackageParserException e) { 15029 res.setError("Failed collect during installPackageLI", e); 15030 return; 15031 } 15032 15033 // Get rid of all references to package scan path via parser. 15034 pp = null; 15035 String oldCodePath = null; 15036 boolean systemApp = false; 15037 synchronized (mPackages) { 15038 // Check if installing already existing package 15039 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15040 String oldName = mSettings.mRenamedPackages.get(pkgName); 15041 if (pkg.mOriginalPackages != null 15042 && pkg.mOriginalPackages.contains(oldName) 15043 && mPackages.containsKey(oldName)) { 15044 // This package is derived from an original package, 15045 // and this device has been updating from that original 15046 // name. We must continue using the original name, so 15047 // rename the new package here. 15048 pkg.setPackageName(oldName); 15049 pkgName = pkg.packageName; 15050 replace = true; 15051 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15052 + oldName + " pkgName=" + pkgName); 15053 } else if (mPackages.containsKey(pkgName)) { 15054 // This package, under its official name, already exists 15055 // on the device; we should replace it. 15056 replace = true; 15057 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15058 } 15059 15060 // Child packages are installed through the parent package 15061 if (pkg.parentPackage != null) { 15062 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15063 "Package " + pkg.packageName + " is child of package " 15064 + pkg.parentPackage.parentPackage + ". Child packages " 15065 + "can be updated only through the parent package."); 15066 return; 15067 } 15068 15069 if (replace) { 15070 // Prevent apps opting out from runtime permissions 15071 PackageParser.Package oldPackage = mPackages.get(pkgName); 15072 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15073 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15074 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15075 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15076 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15077 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15078 + " doesn't support runtime permissions but the old" 15079 + " target SDK " + oldTargetSdk + " does."); 15080 return; 15081 } 15082 15083 // Prevent installing of child packages 15084 if (oldPackage.parentPackage != null) { 15085 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15086 "Package " + pkg.packageName + " is child of package " 15087 + oldPackage.parentPackage + ". Child packages " 15088 + "can be updated only through the parent package."); 15089 return; 15090 } 15091 } 15092 } 15093 15094 PackageSetting ps = mSettings.mPackages.get(pkgName); 15095 if (ps != null) { 15096 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15097 15098 // Quick sanity check that we're signed correctly if updating; 15099 // we'll check this again later when scanning, but we want to 15100 // bail early here before tripping over redefined permissions. 15101 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15102 if (!checkUpgradeKeySetLP(ps, pkg)) { 15103 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15104 + pkg.packageName + " upgrade keys do not match the " 15105 + "previously installed version"); 15106 return; 15107 } 15108 } else { 15109 try { 15110 verifySignaturesLP(ps, pkg); 15111 } catch (PackageManagerException e) { 15112 res.setError(e.error, e.getMessage()); 15113 return; 15114 } 15115 } 15116 15117 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15118 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15119 systemApp = (ps.pkg.applicationInfo.flags & 15120 ApplicationInfo.FLAG_SYSTEM) != 0; 15121 } 15122 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15123 } 15124 15125 // Check whether the newly-scanned package wants to define an already-defined perm 15126 int N = pkg.permissions.size(); 15127 for (int i = N-1; i >= 0; i--) { 15128 PackageParser.Permission perm = pkg.permissions.get(i); 15129 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15130 if (bp != null) { 15131 // If the defining package is signed with our cert, it's okay. This 15132 // also includes the "updating the same package" case, of course. 15133 // "updating same package" could also involve key-rotation. 15134 final boolean sigsOk; 15135 if (bp.sourcePackage.equals(pkg.packageName) 15136 && (bp.packageSetting instanceof PackageSetting) 15137 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15138 scanFlags))) { 15139 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15140 } else { 15141 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15142 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15143 } 15144 if (!sigsOk) { 15145 // If the owning package is the system itself, we log but allow 15146 // install to proceed; we fail the install on all other permission 15147 // redefinitions. 15148 if (!bp.sourcePackage.equals("android")) { 15149 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15150 + pkg.packageName + " attempting to redeclare permission " 15151 + perm.info.name + " already owned by " + bp.sourcePackage); 15152 res.origPermission = perm.info.name; 15153 res.origPackage = bp.sourcePackage; 15154 return; 15155 } else { 15156 Slog.w(TAG, "Package " + pkg.packageName 15157 + " attempting to redeclare system permission " 15158 + perm.info.name + "; ignoring new declaration"); 15159 pkg.permissions.remove(i); 15160 } 15161 } 15162 } 15163 } 15164 } 15165 15166 if (systemApp) { 15167 if (onExternal) { 15168 // Abort update; system app can't be replaced with app on sdcard 15169 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15170 "Cannot install updates to system apps on sdcard"); 15171 return; 15172 } else if (ephemeral) { 15173 // Abort update; system app can't be replaced with an ephemeral app 15174 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15175 "Cannot update a system app with an ephemeral app"); 15176 return; 15177 } 15178 } 15179 15180 if (args.move != null) { 15181 // We did an in-place move, so dex is ready to roll 15182 scanFlags |= SCAN_NO_DEX; 15183 scanFlags |= SCAN_MOVE; 15184 15185 synchronized (mPackages) { 15186 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15187 if (ps == null) { 15188 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15189 "Missing settings for moved package " + pkgName); 15190 } 15191 15192 // We moved the entire application as-is, so bring over the 15193 // previously derived ABI information. 15194 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15195 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15196 } 15197 15198 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15199 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15200 scanFlags |= SCAN_NO_DEX; 15201 15202 try { 15203 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15204 args.abiOverride : pkg.cpuAbiOverride); 15205 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15206 true /* extract libs */); 15207 } catch (PackageManagerException pme) { 15208 Slog.e(TAG, "Error deriving application ABI", pme); 15209 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15210 return; 15211 } 15212 15213 // Shared libraries for the package need to be updated. 15214 synchronized (mPackages) { 15215 try { 15216 updateSharedLibrariesLPw(pkg, null); 15217 } catch (PackageManagerException e) { 15218 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15219 } 15220 } 15221 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15222 // Do not run PackageDexOptimizer through the local performDexOpt 15223 // method because `pkg` may not be in `mPackages` yet. 15224 // 15225 // Also, don't fail application installs if the dexopt step fails. 15226 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15227 null /* instructionSets */, false /* checkProfiles */, 15228 getCompilerFilterForReason(REASON_INSTALL)); 15229 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15230 15231 // Notify BackgroundDexOptService that the package has been changed. 15232 // If this is an update of a package which used to fail to compile, 15233 // BDOS will remove it from its blacklist. 15234 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15235 } 15236 15237 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15238 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15239 return; 15240 } 15241 15242 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15243 15244 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15245 "installPackageLI")) { 15246 if (replace) { 15247 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15248 installerPackageName, res); 15249 } else { 15250 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15251 args.user, installerPackageName, volumeUuid, res); 15252 } 15253 } 15254 synchronized (mPackages) { 15255 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15256 if (ps != null) { 15257 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15258 } 15259 15260 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15261 for (int i = 0; i < childCount; i++) { 15262 PackageParser.Package childPkg = pkg.childPackages.get(i); 15263 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15264 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15265 if (childPs != null) { 15266 childRes.newUsers = childPs.queryInstalledUsers( 15267 sUserManager.getUserIds(), true); 15268 } 15269 } 15270 } 15271 } 15272 15273 private void startIntentFilterVerifications(int userId, boolean replacing, 15274 PackageParser.Package pkg) { 15275 if (mIntentFilterVerifierComponent == null) { 15276 Slog.w(TAG, "No IntentFilter verification will not be done as " 15277 + "there is no IntentFilterVerifier available!"); 15278 return; 15279 } 15280 15281 final int verifierUid = getPackageUid( 15282 mIntentFilterVerifierComponent.getPackageName(), 15283 MATCH_DEBUG_TRIAGED_MISSING, 15284 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15285 15286 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15287 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15288 mHandler.sendMessage(msg); 15289 15290 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15291 for (int i = 0; i < childCount; i++) { 15292 PackageParser.Package childPkg = pkg.childPackages.get(i); 15293 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15294 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15295 mHandler.sendMessage(msg); 15296 } 15297 } 15298 15299 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15300 PackageParser.Package pkg) { 15301 int size = pkg.activities.size(); 15302 if (size == 0) { 15303 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15304 "No activity, so no need to verify any IntentFilter!"); 15305 return; 15306 } 15307 15308 final boolean hasDomainURLs = hasDomainURLs(pkg); 15309 if (!hasDomainURLs) { 15310 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15311 "No domain URLs, so no need to verify any IntentFilter!"); 15312 return; 15313 } 15314 15315 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15316 + " if any IntentFilter from the " + size 15317 + " Activities needs verification ..."); 15318 15319 int count = 0; 15320 final String packageName = pkg.packageName; 15321 15322 synchronized (mPackages) { 15323 // If this is a new install and we see that we've already run verification for this 15324 // package, we have nothing to do: it means the state was restored from backup. 15325 if (!replacing) { 15326 IntentFilterVerificationInfo ivi = 15327 mSettings.getIntentFilterVerificationLPr(packageName); 15328 if (ivi != null) { 15329 if (DEBUG_DOMAIN_VERIFICATION) { 15330 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15331 + ivi.getStatusString()); 15332 } 15333 return; 15334 } 15335 } 15336 15337 // If any filters need to be verified, then all need to be. 15338 boolean needToVerify = false; 15339 for (PackageParser.Activity a : pkg.activities) { 15340 for (ActivityIntentInfo filter : a.intents) { 15341 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15342 if (DEBUG_DOMAIN_VERIFICATION) { 15343 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15344 } 15345 needToVerify = true; 15346 break; 15347 } 15348 } 15349 } 15350 15351 if (needToVerify) { 15352 final int verificationId = mIntentFilterVerificationToken++; 15353 for (PackageParser.Activity a : pkg.activities) { 15354 for (ActivityIntentInfo filter : a.intents) { 15355 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15356 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15357 "Verification needed for IntentFilter:" + filter.toString()); 15358 mIntentFilterVerifier.addOneIntentFilterVerification( 15359 verifierUid, userId, verificationId, filter, packageName); 15360 count++; 15361 } 15362 } 15363 } 15364 } 15365 } 15366 15367 if (count > 0) { 15368 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15369 + " IntentFilter verification" + (count > 1 ? "s" : "") 15370 + " for userId:" + userId); 15371 mIntentFilterVerifier.startVerifications(userId); 15372 } else { 15373 if (DEBUG_DOMAIN_VERIFICATION) { 15374 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15375 } 15376 } 15377 } 15378 15379 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15380 final ComponentName cn = filter.activity.getComponentName(); 15381 final String packageName = cn.getPackageName(); 15382 15383 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15384 packageName); 15385 if (ivi == null) { 15386 return true; 15387 } 15388 int status = ivi.getStatus(); 15389 switch (status) { 15390 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15391 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15392 return true; 15393 15394 default: 15395 // Nothing to do 15396 return false; 15397 } 15398 } 15399 15400 private static boolean isMultiArch(ApplicationInfo info) { 15401 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15402 } 15403 15404 private static boolean isExternal(PackageParser.Package pkg) { 15405 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15406 } 15407 15408 private static boolean isExternal(PackageSetting ps) { 15409 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15410 } 15411 15412 private static boolean isEphemeral(PackageParser.Package pkg) { 15413 return pkg.applicationInfo.isEphemeralApp(); 15414 } 15415 15416 private static boolean isEphemeral(PackageSetting ps) { 15417 return ps.pkg != null && isEphemeral(ps.pkg); 15418 } 15419 15420 private static boolean isSystemApp(PackageParser.Package pkg) { 15421 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15422 } 15423 15424 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15425 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15426 } 15427 15428 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15429 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15430 } 15431 15432 private static boolean isSystemApp(PackageSetting ps) { 15433 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15434 } 15435 15436 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15437 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15438 } 15439 15440 private int packageFlagsToInstallFlags(PackageSetting ps) { 15441 int installFlags = 0; 15442 if (isEphemeral(ps)) { 15443 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15444 } 15445 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15446 // This existing package was an external ASEC install when we have 15447 // the external flag without a UUID 15448 installFlags |= PackageManager.INSTALL_EXTERNAL; 15449 } 15450 if (ps.isForwardLocked()) { 15451 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15452 } 15453 return installFlags; 15454 } 15455 15456 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15457 if (isExternal(pkg)) { 15458 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15459 return StorageManager.UUID_PRIMARY_PHYSICAL; 15460 } else { 15461 return pkg.volumeUuid; 15462 } 15463 } else { 15464 return StorageManager.UUID_PRIVATE_INTERNAL; 15465 } 15466 } 15467 15468 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15469 if (isExternal(pkg)) { 15470 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15471 return mSettings.getExternalVersion(); 15472 } else { 15473 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15474 } 15475 } else { 15476 return mSettings.getInternalVersion(); 15477 } 15478 } 15479 15480 private void deleteTempPackageFiles() { 15481 final FilenameFilter filter = new FilenameFilter() { 15482 public boolean accept(File dir, String name) { 15483 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15484 } 15485 }; 15486 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15487 file.delete(); 15488 } 15489 } 15490 15491 @Override 15492 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15493 int flags) { 15494 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15495 flags); 15496 } 15497 15498 @Override 15499 public void deletePackage(final String packageName, 15500 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15501 mContext.enforceCallingOrSelfPermission( 15502 android.Manifest.permission.DELETE_PACKAGES, null); 15503 Preconditions.checkNotNull(packageName); 15504 Preconditions.checkNotNull(observer); 15505 final int uid = Binder.getCallingUid(); 15506 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15507 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15508 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15509 mContext.enforceCallingOrSelfPermission( 15510 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15511 "deletePackage for user " + userId); 15512 } 15513 15514 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15515 try { 15516 observer.onPackageDeleted(packageName, 15517 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15518 } catch (RemoteException re) { 15519 } 15520 return; 15521 } 15522 15523 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15524 try { 15525 observer.onPackageDeleted(packageName, 15526 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15527 } catch (RemoteException re) { 15528 } 15529 return; 15530 } 15531 15532 if (DEBUG_REMOVE) { 15533 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15534 + " deleteAllUsers: " + deleteAllUsers ); 15535 } 15536 // Queue up an async operation since the package deletion may take a little while. 15537 mHandler.post(new Runnable() { 15538 public void run() { 15539 mHandler.removeCallbacks(this); 15540 int returnCode; 15541 if (!deleteAllUsers) { 15542 returnCode = deletePackageX(packageName, userId, deleteFlags); 15543 } else { 15544 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15545 // If nobody is blocking uninstall, proceed with delete for all users 15546 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15547 returnCode = deletePackageX(packageName, userId, deleteFlags); 15548 } else { 15549 // Otherwise uninstall individually for users with blockUninstalls=false 15550 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15551 for (int userId : users) { 15552 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15553 returnCode = deletePackageX(packageName, userId, userFlags); 15554 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15555 Slog.w(TAG, "Package delete failed for user " + userId 15556 + ", returnCode " + returnCode); 15557 } 15558 } 15559 } 15560 // The app has only been marked uninstalled for certain users. 15561 // We still need to report that delete was blocked 15562 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15563 } 15564 } 15565 try { 15566 observer.onPackageDeleted(packageName, returnCode, null); 15567 } catch (RemoteException e) { 15568 Log.i(TAG, "Observer no longer exists."); 15569 } //end catch 15570 } //end run 15571 }); 15572 } 15573 15574 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15575 int[] result = EMPTY_INT_ARRAY; 15576 for (int userId : userIds) { 15577 if (getBlockUninstallForUser(packageName, userId)) { 15578 result = ArrayUtils.appendInt(result, userId); 15579 } 15580 } 15581 return result; 15582 } 15583 15584 @Override 15585 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15586 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15587 } 15588 15589 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15590 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15591 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15592 try { 15593 if (dpm != null) { 15594 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15595 /* callingUserOnly =*/ false); 15596 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15597 : deviceOwnerComponentName.getPackageName(); 15598 // Does the package contains the device owner? 15599 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15600 // this check is probably not needed, since DO should be registered as a device 15601 // admin on some user too. (Original bug for this: b/17657954) 15602 if (packageName.equals(deviceOwnerPackageName)) { 15603 return true; 15604 } 15605 // Does it contain a device admin for any user? 15606 int[] users; 15607 if (userId == UserHandle.USER_ALL) { 15608 users = sUserManager.getUserIds(); 15609 } else { 15610 users = new int[]{userId}; 15611 } 15612 for (int i = 0; i < users.length; ++i) { 15613 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15614 return true; 15615 } 15616 } 15617 } 15618 } catch (RemoteException e) { 15619 } 15620 return false; 15621 } 15622 15623 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15624 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15625 } 15626 15627 /** 15628 * This method is an internal method that could be get invoked either 15629 * to delete an installed package or to clean up a failed installation. 15630 * After deleting an installed package, a broadcast is sent to notify any 15631 * listeners that the package has been removed. For cleaning up a failed 15632 * installation, the broadcast is not necessary since the package's 15633 * installation wouldn't have sent the initial broadcast either 15634 * The key steps in deleting a package are 15635 * deleting the package information in internal structures like mPackages, 15636 * deleting the packages base directories through installd 15637 * updating mSettings to reflect current status 15638 * persisting settings for later use 15639 * sending a broadcast if necessary 15640 */ 15641 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15642 final PackageRemovedInfo info = new PackageRemovedInfo(); 15643 final boolean res; 15644 15645 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15646 ? UserHandle.USER_ALL : userId; 15647 15648 if (isPackageDeviceAdmin(packageName, removeUser)) { 15649 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15650 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15651 } 15652 15653 PackageSetting uninstalledPs = null; 15654 15655 // for the uninstall-updates case and restricted profiles, remember the per- 15656 // user handle installed state 15657 int[] allUsers; 15658 synchronized (mPackages) { 15659 uninstalledPs = mSettings.mPackages.get(packageName); 15660 if (uninstalledPs == null) { 15661 Slog.w(TAG, "Not removing non-existent package " + packageName); 15662 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15663 } 15664 allUsers = sUserManager.getUserIds(); 15665 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15666 } 15667 15668 final int freezeUser; 15669 if (isUpdatedSystemApp(uninstalledPs) 15670 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15671 // We're downgrading a system app, which will apply to all users, so 15672 // freeze them all during the downgrade 15673 freezeUser = UserHandle.USER_ALL; 15674 } else { 15675 freezeUser = removeUser; 15676 } 15677 15678 synchronized (mInstallLock) { 15679 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15680 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15681 deleteFlags, "deletePackageX")) { 15682 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15683 deleteFlags | REMOVE_CHATTY, info, true, null); 15684 } 15685 synchronized (mPackages) { 15686 if (res) { 15687 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15688 } 15689 } 15690 } 15691 15692 if (res) { 15693 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15694 info.sendPackageRemovedBroadcasts(killApp); 15695 info.sendSystemPackageUpdatedBroadcasts(); 15696 info.sendSystemPackageAppearedBroadcasts(); 15697 } 15698 // Force a gc here. 15699 Runtime.getRuntime().gc(); 15700 // Delete the resources here after sending the broadcast to let 15701 // other processes clean up before deleting resources. 15702 if (info.args != null) { 15703 synchronized (mInstallLock) { 15704 info.args.doPostDeleteLI(true); 15705 } 15706 } 15707 15708 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15709 } 15710 15711 class PackageRemovedInfo { 15712 String removedPackage; 15713 int uid = -1; 15714 int removedAppId = -1; 15715 int[] origUsers; 15716 int[] removedUsers = null; 15717 boolean isRemovedPackageSystemUpdate = false; 15718 boolean isUpdate; 15719 boolean dataRemoved; 15720 boolean removedForAllUsers; 15721 // Clean up resources deleted packages. 15722 InstallArgs args = null; 15723 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15724 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15725 15726 void sendPackageRemovedBroadcasts(boolean killApp) { 15727 sendPackageRemovedBroadcastInternal(killApp); 15728 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15729 for (int i = 0; i < childCount; i++) { 15730 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15731 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15732 } 15733 } 15734 15735 void sendSystemPackageUpdatedBroadcasts() { 15736 if (isRemovedPackageSystemUpdate) { 15737 sendSystemPackageUpdatedBroadcastsInternal(); 15738 final int childCount = (removedChildPackages != null) 15739 ? removedChildPackages.size() : 0; 15740 for (int i = 0; i < childCount; i++) { 15741 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15742 if (childInfo.isRemovedPackageSystemUpdate) { 15743 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15744 } 15745 } 15746 } 15747 } 15748 15749 void sendSystemPackageAppearedBroadcasts() { 15750 final int packageCount = (appearedChildPackages != null) 15751 ? appearedChildPackages.size() : 0; 15752 for (int i = 0; i < packageCount; i++) { 15753 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15754 for (int userId : installedInfo.newUsers) { 15755 sendPackageAddedForUser(installedInfo.name, true, 15756 UserHandle.getAppId(installedInfo.uid), userId); 15757 } 15758 } 15759 } 15760 15761 private void sendSystemPackageUpdatedBroadcastsInternal() { 15762 Bundle extras = new Bundle(2); 15763 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15764 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15765 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15766 extras, 0, null, null, null); 15767 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15768 extras, 0, null, null, null); 15769 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15770 null, 0, removedPackage, null, null); 15771 } 15772 15773 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15774 Bundle extras = new Bundle(2); 15775 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15776 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15777 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15778 if (isUpdate || isRemovedPackageSystemUpdate) { 15779 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15780 } 15781 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15782 if (removedPackage != null) { 15783 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15784 extras, 0, null, null, removedUsers); 15785 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15786 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15787 removedPackage, extras, 0, null, null, removedUsers); 15788 } 15789 } 15790 if (removedAppId >= 0) { 15791 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15792 removedUsers); 15793 } 15794 } 15795 } 15796 15797 /* 15798 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15799 * flag is not set, the data directory is removed as well. 15800 * make sure this flag is set for partially installed apps. If not its meaningless to 15801 * delete a partially installed application. 15802 */ 15803 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15804 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15805 String packageName = ps.name; 15806 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15807 // Retrieve object to delete permissions for shared user later on 15808 final PackageParser.Package deletedPkg; 15809 final PackageSetting deletedPs; 15810 // reader 15811 synchronized (mPackages) { 15812 deletedPkg = mPackages.get(packageName); 15813 deletedPs = mSettings.mPackages.get(packageName); 15814 if (outInfo != null) { 15815 outInfo.removedPackage = packageName; 15816 outInfo.removedUsers = deletedPs != null 15817 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15818 : null; 15819 } 15820 } 15821 15822 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15823 15824 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15825 final PackageParser.Package resolvedPkg; 15826 if (deletedPkg != null) { 15827 resolvedPkg = deletedPkg; 15828 } else { 15829 // We don't have a parsed package when it lives on an ejected 15830 // adopted storage device, so fake something together 15831 resolvedPkg = new PackageParser.Package(ps.name); 15832 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15833 } 15834 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15835 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15836 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15837 if (outInfo != null) { 15838 outInfo.dataRemoved = true; 15839 } 15840 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15841 } 15842 15843 // writer 15844 synchronized (mPackages) { 15845 if (deletedPs != null) { 15846 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15847 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15848 clearDefaultBrowserIfNeeded(packageName); 15849 if (outInfo != null) { 15850 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15851 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15852 } 15853 updatePermissionsLPw(deletedPs.name, null, 0); 15854 if (deletedPs.sharedUser != null) { 15855 // Remove permissions associated with package. Since runtime 15856 // permissions are per user we have to kill the removed package 15857 // or packages running under the shared user of the removed 15858 // package if revoking the permissions requested only by the removed 15859 // package is successful and this causes a change in gids. 15860 for (int userId : UserManagerService.getInstance().getUserIds()) { 15861 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15862 userId); 15863 if (userIdToKill == UserHandle.USER_ALL 15864 || userIdToKill >= UserHandle.USER_SYSTEM) { 15865 // If gids changed for this user, kill all affected packages. 15866 mHandler.post(new Runnable() { 15867 @Override 15868 public void run() { 15869 // This has to happen with no lock held. 15870 killApplication(deletedPs.name, deletedPs.appId, 15871 KILL_APP_REASON_GIDS_CHANGED); 15872 } 15873 }); 15874 break; 15875 } 15876 } 15877 } 15878 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15879 } 15880 // make sure to preserve per-user disabled state if this removal was just 15881 // a downgrade of a system app to the factory package 15882 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15883 if (DEBUG_REMOVE) { 15884 Slog.d(TAG, "Propagating install state across downgrade"); 15885 } 15886 for (int userId : allUserHandles) { 15887 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15888 if (DEBUG_REMOVE) { 15889 Slog.d(TAG, " user " + userId + " => " + installed); 15890 } 15891 ps.setInstalled(installed, userId); 15892 } 15893 } 15894 } 15895 // can downgrade to reader 15896 if (writeSettings) { 15897 // Save settings now 15898 mSettings.writeLPr(); 15899 } 15900 } 15901 if (outInfo != null) { 15902 // A user ID was deleted here. Go through all users and remove it 15903 // from KeyStore. 15904 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15905 } 15906 } 15907 15908 static boolean locationIsPrivileged(File path) { 15909 try { 15910 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15911 .getCanonicalPath(); 15912 return path.getCanonicalPath().startsWith(privilegedAppDir); 15913 } catch (IOException e) { 15914 Slog.e(TAG, "Unable to access code path " + path); 15915 } 15916 return false; 15917 } 15918 15919 /* 15920 * Tries to delete system package. 15921 */ 15922 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15923 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15924 boolean writeSettings) { 15925 if (deletedPs.parentPackageName != null) { 15926 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15927 return false; 15928 } 15929 15930 final boolean applyUserRestrictions 15931 = (allUserHandles != null) && (outInfo.origUsers != null); 15932 final PackageSetting disabledPs; 15933 // Confirm if the system package has been updated 15934 // An updated system app can be deleted. This will also have to restore 15935 // the system pkg from system partition 15936 // reader 15937 synchronized (mPackages) { 15938 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15939 } 15940 15941 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15942 + " disabledPs=" + disabledPs); 15943 15944 if (disabledPs == null) { 15945 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15946 return false; 15947 } else if (DEBUG_REMOVE) { 15948 Slog.d(TAG, "Deleting system pkg from data partition"); 15949 } 15950 15951 if (DEBUG_REMOVE) { 15952 if (applyUserRestrictions) { 15953 Slog.d(TAG, "Remembering install states:"); 15954 for (int userId : allUserHandles) { 15955 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15956 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15957 } 15958 } 15959 } 15960 15961 // Delete the updated package 15962 outInfo.isRemovedPackageSystemUpdate = true; 15963 if (outInfo.removedChildPackages != null) { 15964 final int childCount = (deletedPs.childPackageNames != null) 15965 ? deletedPs.childPackageNames.size() : 0; 15966 for (int i = 0; i < childCount; i++) { 15967 String childPackageName = deletedPs.childPackageNames.get(i); 15968 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15969 .contains(childPackageName)) { 15970 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15971 childPackageName); 15972 if (childInfo != null) { 15973 childInfo.isRemovedPackageSystemUpdate = true; 15974 } 15975 } 15976 } 15977 } 15978 15979 if (disabledPs.versionCode < deletedPs.versionCode) { 15980 // Delete data for downgrades 15981 flags &= ~PackageManager.DELETE_KEEP_DATA; 15982 } else { 15983 // Preserve data by setting flag 15984 flags |= PackageManager.DELETE_KEEP_DATA; 15985 } 15986 15987 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15988 outInfo, writeSettings, disabledPs.pkg); 15989 if (!ret) { 15990 return false; 15991 } 15992 15993 // writer 15994 synchronized (mPackages) { 15995 // Reinstate the old system package 15996 enableSystemPackageLPw(disabledPs.pkg); 15997 // Remove any native libraries from the upgraded package. 15998 removeNativeBinariesLI(deletedPs); 15999 } 16000 16001 // Install the system package 16002 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16003 int parseFlags = mDefParseFlags 16004 | PackageParser.PARSE_MUST_BE_APK 16005 | PackageParser.PARSE_IS_SYSTEM 16006 | PackageParser.PARSE_IS_SYSTEM_DIR; 16007 if (locationIsPrivileged(disabledPs.codePath)) { 16008 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16009 } 16010 16011 final PackageParser.Package newPkg; 16012 try { 16013 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16014 } catch (PackageManagerException e) { 16015 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16016 + e.getMessage()); 16017 return false; 16018 } 16019 16020 prepareAppDataAfterInstallLIF(newPkg); 16021 16022 // writer 16023 synchronized (mPackages) { 16024 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16025 16026 // Propagate the permissions state as we do not want to drop on the floor 16027 // runtime permissions. The update permissions method below will take 16028 // care of removing obsolete permissions and grant install permissions. 16029 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16030 updatePermissionsLPw(newPkg.packageName, newPkg, 16031 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16032 16033 if (applyUserRestrictions) { 16034 if (DEBUG_REMOVE) { 16035 Slog.d(TAG, "Propagating install state across reinstall"); 16036 } 16037 for (int userId : allUserHandles) { 16038 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16039 if (DEBUG_REMOVE) { 16040 Slog.d(TAG, " user " + userId + " => " + installed); 16041 } 16042 ps.setInstalled(installed, userId); 16043 16044 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16045 } 16046 // Regardless of writeSettings we need to ensure that this restriction 16047 // state propagation is persisted 16048 mSettings.writeAllUsersPackageRestrictionsLPr(); 16049 } 16050 // can downgrade to reader here 16051 if (writeSettings) { 16052 mSettings.writeLPr(); 16053 } 16054 } 16055 return true; 16056 } 16057 16058 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16059 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16060 PackageRemovedInfo outInfo, boolean writeSettings, 16061 PackageParser.Package replacingPackage) { 16062 synchronized (mPackages) { 16063 if (outInfo != null) { 16064 outInfo.uid = ps.appId; 16065 } 16066 16067 if (outInfo != null && outInfo.removedChildPackages != null) { 16068 final int childCount = (ps.childPackageNames != null) 16069 ? ps.childPackageNames.size() : 0; 16070 for (int i = 0; i < childCount; i++) { 16071 String childPackageName = ps.childPackageNames.get(i); 16072 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16073 if (childPs == null) { 16074 return false; 16075 } 16076 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16077 childPackageName); 16078 if (childInfo != null) { 16079 childInfo.uid = childPs.appId; 16080 } 16081 } 16082 } 16083 } 16084 16085 // Delete package data from internal structures and also remove data if flag is set 16086 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16087 16088 // Delete the child packages data 16089 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16090 for (int i = 0; i < childCount; i++) { 16091 PackageSetting childPs; 16092 synchronized (mPackages) { 16093 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16094 } 16095 if (childPs != null) { 16096 PackageRemovedInfo childOutInfo = (outInfo != null 16097 && outInfo.removedChildPackages != null) 16098 ? outInfo.removedChildPackages.get(childPs.name) : null; 16099 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16100 && (replacingPackage != null 16101 && !replacingPackage.hasChildPackage(childPs.name)) 16102 ? flags & ~DELETE_KEEP_DATA : flags; 16103 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16104 deleteFlags, writeSettings); 16105 } 16106 } 16107 16108 // Delete application code and resources only for parent packages 16109 if (ps.parentPackageName == null) { 16110 if (deleteCodeAndResources && (outInfo != null)) { 16111 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16112 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16113 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16114 } 16115 } 16116 16117 return true; 16118 } 16119 16120 @Override 16121 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16122 int userId) { 16123 mContext.enforceCallingOrSelfPermission( 16124 android.Manifest.permission.DELETE_PACKAGES, null); 16125 synchronized (mPackages) { 16126 PackageSetting ps = mSettings.mPackages.get(packageName); 16127 if (ps == null) { 16128 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16129 return false; 16130 } 16131 if (!ps.getInstalled(userId)) { 16132 // Can't block uninstall for an app that is not installed or enabled. 16133 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16134 return false; 16135 } 16136 ps.setBlockUninstall(blockUninstall, userId); 16137 mSettings.writePackageRestrictionsLPr(userId); 16138 } 16139 return true; 16140 } 16141 16142 @Override 16143 public boolean getBlockUninstallForUser(String packageName, int userId) { 16144 synchronized (mPackages) { 16145 PackageSetting ps = mSettings.mPackages.get(packageName); 16146 if (ps == null) { 16147 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16148 return false; 16149 } 16150 return ps.getBlockUninstall(userId); 16151 } 16152 } 16153 16154 @Override 16155 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16156 int callingUid = Binder.getCallingUid(); 16157 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16158 throw new SecurityException( 16159 "setRequiredForSystemUser can only be run by the system or root"); 16160 } 16161 synchronized (mPackages) { 16162 PackageSetting ps = mSettings.mPackages.get(packageName); 16163 if (ps == null) { 16164 Log.w(TAG, "Package doesn't exist: " + packageName); 16165 return false; 16166 } 16167 if (systemUserApp) { 16168 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16169 } else { 16170 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16171 } 16172 mSettings.writeLPr(); 16173 } 16174 return true; 16175 } 16176 16177 /* 16178 * This method handles package deletion in general 16179 */ 16180 private boolean deletePackageLIF(String packageName, UserHandle user, 16181 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16182 PackageRemovedInfo outInfo, boolean writeSettings, 16183 PackageParser.Package replacingPackage) { 16184 if (packageName == null) { 16185 Slog.w(TAG, "Attempt to delete null packageName."); 16186 return false; 16187 } 16188 16189 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16190 16191 PackageSetting ps; 16192 16193 synchronized (mPackages) { 16194 ps = mSettings.mPackages.get(packageName); 16195 if (ps == null) { 16196 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16197 return false; 16198 } 16199 16200 if (ps.parentPackageName != null && (!isSystemApp(ps) 16201 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16202 if (DEBUG_REMOVE) { 16203 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16204 + ((user == null) ? UserHandle.USER_ALL : user)); 16205 } 16206 final int removedUserId = (user != null) ? user.getIdentifier() 16207 : UserHandle.USER_ALL; 16208 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16209 return false; 16210 } 16211 markPackageUninstalledForUserLPw(ps, user); 16212 scheduleWritePackageRestrictionsLocked(user); 16213 return true; 16214 } 16215 } 16216 16217 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16218 && user.getIdentifier() != UserHandle.USER_ALL)) { 16219 // The caller is asking that the package only be deleted for a single 16220 // user. To do this, we just mark its uninstalled state and delete 16221 // its data. If this is a system app, we only allow this to happen if 16222 // they have set the special DELETE_SYSTEM_APP which requests different 16223 // semantics than normal for uninstalling system apps. 16224 markPackageUninstalledForUserLPw(ps, user); 16225 16226 if (!isSystemApp(ps)) { 16227 // Do not uninstall the APK if an app should be cached 16228 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16229 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16230 // Other user still have this package installed, so all 16231 // we need to do is clear this user's data and save that 16232 // it is uninstalled. 16233 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16234 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16235 return false; 16236 } 16237 scheduleWritePackageRestrictionsLocked(user); 16238 return true; 16239 } else { 16240 // We need to set it back to 'installed' so the uninstall 16241 // broadcasts will be sent correctly. 16242 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16243 ps.setInstalled(true, user.getIdentifier()); 16244 } 16245 } else { 16246 // This is a system app, so we assume that the 16247 // other users still have this package installed, so all 16248 // we need to do is clear this user's data and save that 16249 // it is uninstalled. 16250 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16251 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16252 return false; 16253 } 16254 scheduleWritePackageRestrictionsLocked(user); 16255 return true; 16256 } 16257 } 16258 16259 // If we are deleting a composite package for all users, keep track 16260 // of result for each child. 16261 if (ps.childPackageNames != null && outInfo != null) { 16262 synchronized (mPackages) { 16263 final int childCount = ps.childPackageNames.size(); 16264 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16265 for (int i = 0; i < childCount; i++) { 16266 String childPackageName = ps.childPackageNames.get(i); 16267 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16268 childInfo.removedPackage = childPackageName; 16269 outInfo.removedChildPackages.put(childPackageName, childInfo); 16270 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16271 if (childPs != null) { 16272 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16273 } 16274 } 16275 } 16276 } 16277 16278 boolean ret = false; 16279 if (isSystemApp(ps)) { 16280 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16281 // When an updated system application is deleted we delete the existing resources 16282 // as well and fall back to existing code in system partition 16283 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16284 } else { 16285 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16286 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16287 outInfo, writeSettings, replacingPackage); 16288 } 16289 16290 // Take a note whether we deleted the package for all users 16291 if (outInfo != null) { 16292 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16293 if (outInfo.removedChildPackages != null) { 16294 synchronized (mPackages) { 16295 final int childCount = outInfo.removedChildPackages.size(); 16296 for (int i = 0; i < childCount; i++) { 16297 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16298 if (childInfo != null) { 16299 childInfo.removedForAllUsers = mPackages.get( 16300 childInfo.removedPackage) == null; 16301 } 16302 } 16303 } 16304 } 16305 // If we uninstalled an update to a system app there may be some 16306 // child packages that appeared as they are declared in the system 16307 // app but were not declared in the update. 16308 if (isSystemApp(ps)) { 16309 synchronized (mPackages) { 16310 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16311 final int childCount = (updatedPs.childPackageNames != null) 16312 ? updatedPs.childPackageNames.size() : 0; 16313 for (int i = 0; i < childCount; i++) { 16314 String childPackageName = updatedPs.childPackageNames.get(i); 16315 if (outInfo.removedChildPackages == null 16316 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16317 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16318 if (childPs == null) { 16319 continue; 16320 } 16321 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16322 installRes.name = childPackageName; 16323 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16324 installRes.pkg = mPackages.get(childPackageName); 16325 installRes.uid = childPs.pkg.applicationInfo.uid; 16326 if (outInfo.appearedChildPackages == null) { 16327 outInfo.appearedChildPackages = new ArrayMap<>(); 16328 } 16329 outInfo.appearedChildPackages.put(childPackageName, installRes); 16330 } 16331 } 16332 } 16333 } 16334 } 16335 16336 return ret; 16337 } 16338 16339 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16340 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16341 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16342 for (int nextUserId : userIds) { 16343 if (DEBUG_REMOVE) { 16344 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16345 } 16346 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16347 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16348 false /*hidden*/, false /*suspended*/, null, null, null, 16349 false /*blockUninstall*/, 16350 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16351 } 16352 } 16353 16354 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16355 PackageRemovedInfo outInfo) { 16356 final PackageParser.Package pkg; 16357 synchronized (mPackages) { 16358 pkg = mPackages.get(ps.name); 16359 } 16360 16361 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16362 : new int[] {userId}; 16363 for (int nextUserId : userIds) { 16364 if (DEBUG_REMOVE) { 16365 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16366 + nextUserId); 16367 } 16368 16369 destroyAppDataLIF(pkg, userId, 16370 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16371 destroyAppProfilesLIF(pkg, userId); 16372 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16373 schedulePackageCleaning(ps.name, nextUserId, false); 16374 synchronized (mPackages) { 16375 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16376 scheduleWritePackageRestrictionsLocked(nextUserId); 16377 } 16378 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16379 } 16380 } 16381 16382 if (outInfo != null) { 16383 outInfo.removedPackage = ps.name; 16384 outInfo.removedAppId = ps.appId; 16385 outInfo.removedUsers = userIds; 16386 } 16387 16388 return true; 16389 } 16390 16391 private final class ClearStorageConnection implements ServiceConnection { 16392 IMediaContainerService mContainerService; 16393 16394 @Override 16395 public void onServiceConnected(ComponentName name, IBinder service) { 16396 synchronized (this) { 16397 mContainerService = IMediaContainerService.Stub.asInterface(service); 16398 notifyAll(); 16399 } 16400 } 16401 16402 @Override 16403 public void onServiceDisconnected(ComponentName name) { 16404 } 16405 } 16406 16407 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16408 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16409 16410 final boolean mounted; 16411 if (Environment.isExternalStorageEmulated()) { 16412 mounted = true; 16413 } else { 16414 final String status = Environment.getExternalStorageState(); 16415 16416 mounted = status.equals(Environment.MEDIA_MOUNTED) 16417 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16418 } 16419 16420 if (!mounted) { 16421 return; 16422 } 16423 16424 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16425 int[] users; 16426 if (userId == UserHandle.USER_ALL) { 16427 users = sUserManager.getUserIds(); 16428 } else { 16429 users = new int[] { userId }; 16430 } 16431 final ClearStorageConnection conn = new ClearStorageConnection(); 16432 if (mContext.bindServiceAsUser( 16433 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16434 try { 16435 for (int curUser : users) { 16436 long timeout = SystemClock.uptimeMillis() + 5000; 16437 synchronized (conn) { 16438 long now; 16439 while (conn.mContainerService == null && 16440 (now = SystemClock.uptimeMillis()) < timeout) { 16441 try { 16442 conn.wait(timeout - now); 16443 } catch (InterruptedException e) { 16444 } 16445 } 16446 } 16447 if (conn.mContainerService == null) { 16448 return; 16449 } 16450 16451 final UserEnvironment userEnv = new UserEnvironment(curUser); 16452 clearDirectory(conn.mContainerService, 16453 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16454 if (allData) { 16455 clearDirectory(conn.mContainerService, 16456 userEnv.buildExternalStorageAppDataDirs(packageName)); 16457 clearDirectory(conn.mContainerService, 16458 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16459 } 16460 } 16461 } finally { 16462 mContext.unbindService(conn); 16463 } 16464 } 16465 } 16466 16467 @Override 16468 public void clearApplicationProfileData(String packageName) { 16469 enforceSystemOrRoot("Only the system can clear all profile data"); 16470 16471 final PackageParser.Package pkg; 16472 synchronized (mPackages) { 16473 pkg = mPackages.get(packageName); 16474 } 16475 16476 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16477 synchronized (mInstallLock) { 16478 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16479 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16480 true /* removeBaseMarker */); 16481 } 16482 } 16483 } 16484 16485 @Override 16486 public void clearApplicationUserData(final String packageName, 16487 final IPackageDataObserver observer, final int userId) { 16488 mContext.enforceCallingOrSelfPermission( 16489 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16490 16491 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16492 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16493 16494 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16495 throw new SecurityException("Cannot clear data for a protected package: " 16496 + packageName); 16497 } 16498 // Queue up an async operation since the package deletion may take a little while. 16499 mHandler.post(new Runnable() { 16500 public void run() { 16501 mHandler.removeCallbacks(this); 16502 final boolean succeeded; 16503 try (PackageFreezer freezer = freezePackage(packageName, 16504 "clearApplicationUserData")) { 16505 synchronized (mInstallLock) { 16506 succeeded = clearApplicationUserDataLIF(packageName, userId); 16507 } 16508 clearExternalStorageDataSync(packageName, userId, true); 16509 } 16510 if (succeeded) { 16511 // invoke DeviceStorageMonitor's update method to clear any notifications 16512 DeviceStorageMonitorInternal dsm = LocalServices 16513 .getService(DeviceStorageMonitorInternal.class); 16514 if (dsm != null) { 16515 dsm.checkMemory(); 16516 } 16517 } 16518 if(observer != null) { 16519 try { 16520 observer.onRemoveCompleted(packageName, succeeded); 16521 } catch (RemoteException e) { 16522 Log.i(TAG, "Observer no longer exists."); 16523 } 16524 } //end if observer 16525 } //end run 16526 }); 16527 } 16528 16529 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16530 if (packageName == null) { 16531 Slog.w(TAG, "Attempt to delete null packageName."); 16532 return false; 16533 } 16534 16535 // Try finding details about the requested package 16536 PackageParser.Package pkg; 16537 synchronized (mPackages) { 16538 pkg = mPackages.get(packageName); 16539 if (pkg == null) { 16540 final PackageSetting ps = mSettings.mPackages.get(packageName); 16541 if (ps != null) { 16542 pkg = ps.pkg; 16543 } 16544 } 16545 16546 if (pkg == null) { 16547 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16548 return false; 16549 } 16550 16551 PackageSetting ps = (PackageSetting) pkg.mExtras; 16552 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16553 } 16554 16555 clearAppDataLIF(pkg, userId, 16556 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16557 16558 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16559 removeKeystoreDataIfNeeded(userId, appId); 16560 16561 UserManagerInternal umInternal = getUserManagerInternal(); 16562 final int flags; 16563 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16564 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16565 } else if (umInternal.isUserRunning(userId)) { 16566 flags = StorageManager.FLAG_STORAGE_DE; 16567 } else { 16568 flags = 0; 16569 } 16570 prepareAppDataContentsLIF(pkg, userId, flags); 16571 16572 return true; 16573 } 16574 16575 /** 16576 * Reverts user permission state changes (permissions and flags) in 16577 * all packages for a given user. 16578 * 16579 * @param userId The device user for which to do a reset. 16580 */ 16581 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16582 final int packageCount = mPackages.size(); 16583 for (int i = 0; i < packageCount; i++) { 16584 PackageParser.Package pkg = mPackages.valueAt(i); 16585 PackageSetting ps = (PackageSetting) pkg.mExtras; 16586 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16587 } 16588 } 16589 16590 private void resetNetworkPolicies(int userId) { 16591 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16592 } 16593 16594 /** 16595 * Reverts user permission state changes (permissions and flags). 16596 * 16597 * @param ps The package for which to reset. 16598 * @param userId The device user for which to do a reset. 16599 */ 16600 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16601 final PackageSetting ps, final int userId) { 16602 if (ps.pkg == null) { 16603 return; 16604 } 16605 16606 // These are flags that can change base on user actions. 16607 final int userSettableMask = FLAG_PERMISSION_USER_SET 16608 | FLAG_PERMISSION_USER_FIXED 16609 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16610 | FLAG_PERMISSION_REVIEW_REQUIRED; 16611 16612 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16613 | FLAG_PERMISSION_POLICY_FIXED; 16614 16615 boolean writeInstallPermissions = false; 16616 boolean writeRuntimePermissions = false; 16617 16618 final int permissionCount = ps.pkg.requestedPermissions.size(); 16619 for (int i = 0; i < permissionCount; i++) { 16620 String permission = ps.pkg.requestedPermissions.get(i); 16621 16622 BasePermission bp = mSettings.mPermissions.get(permission); 16623 if (bp == null) { 16624 continue; 16625 } 16626 16627 // If shared user we just reset the state to which only this app contributed. 16628 if (ps.sharedUser != null) { 16629 boolean used = false; 16630 final int packageCount = ps.sharedUser.packages.size(); 16631 for (int j = 0; j < packageCount; j++) { 16632 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16633 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16634 && pkg.pkg.requestedPermissions.contains(permission)) { 16635 used = true; 16636 break; 16637 } 16638 } 16639 if (used) { 16640 continue; 16641 } 16642 } 16643 16644 PermissionsState permissionsState = ps.getPermissionsState(); 16645 16646 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16647 16648 // Always clear the user settable flags. 16649 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16650 bp.name) != null; 16651 // If permission review is enabled and this is a legacy app, mark the 16652 // permission as requiring a review as this is the initial state. 16653 int flags = 0; 16654 if (Build.PERMISSIONS_REVIEW_REQUIRED 16655 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16656 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16657 } 16658 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16659 if (hasInstallState) { 16660 writeInstallPermissions = true; 16661 } else { 16662 writeRuntimePermissions = true; 16663 } 16664 } 16665 16666 // Below is only runtime permission handling. 16667 if (!bp.isRuntime()) { 16668 continue; 16669 } 16670 16671 // Never clobber system or policy. 16672 if ((oldFlags & policyOrSystemFlags) != 0) { 16673 continue; 16674 } 16675 16676 // If this permission was granted by default, make sure it is. 16677 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16678 if (permissionsState.grantRuntimePermission(bp, userId) 16679 != PERMISSION_OPERATION_FAILURE) { 16680 writeRuntimePermissions = true; 16681 } 16682 // If permission review is enabled the permissions for a legacy apps 16683 // are represented as constantly granted runtime ones, so don't revoke. 16684 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16685 // Otherwise, reset the permission. 16686 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16687 switch (revokeResult) { 16688 case PERMISSION_OPERATION_SUCCESS: 16689 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16690 writeRuntimePermissions = true; 16691 final int appId = ps.appId; 16692 mHandler.post(new Runnable() { 16693 @Override 16694 public void run() { 16695 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16696 } 16697 }); 16698 } break; 16699 } 16700 } 16701 } 16702 16703 // Synchronously write as we are taking permissions away. 16704 if (writeRuntimePermissions) { 16705 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16706 } 16707 16708 // Synchronously write as we are taking permissions away. 16709 if (writeInstallPermissions) { 16710 mSettings.writeLPr(); 16711 } 16712 } 16713 16714 /** 16715 * Remove entries from the keystore daemon. Will only remove it if the 16716 * {@code appId} is valid. 16717 */ 16718 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16719 if (appId < 0) { 16720 return; 16721 } 16722 16723 final KeyStore keyStore = KeyStore.getInstance(); 16724 if (keyStore != null) { 16725 if (userId == UserHandle.USER_ALL) { 16726 for (final int individual : sUserManager.getUserIds()) { 16727 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16728 } 16729 } else { 16730 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16731 } 16732 } else { 16733 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16734 } 16735 } 16736 16737 @Override 16738 public void deleteApplicationCacheFiles(final String packageName, 16739 final IPackageDataObserver observer) { 16740 final int userId = UserHandle.getCallingUserId(); 16741 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16742 } 16743 16744 @Override 16745 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16746 final IPackageDataObserver observer) { 16747 mContext.enforceCallingOrSelfPermission( 16748 android.Manifest.permission.DELETE_CACHE_FILES, null); 16749 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16750 /* requireFullPermission= */ true, /* checkShell= */ false, 16751 "delete application cache files"); 16752 16753 final PackageParser.Package pkg; 16754 synchronized (mPackages) { 16755 pkg = mPackages.get(packageName); 16756 } 16757 16758 // Queue up an async operation since the package deletion may take a little while. 16759 mHandler.post(new Runnable() { 16760 public void run() { 16761 synchronized (mInstallLock) { 16762 final int flags = StorageManager.FLAG_STORAGE_DE 16763 | StorageManager.FLAG_STORAGE_CE; 16764 // We're only clearing cache files, so we don't care if the 16765 // app is unfrozen and still able to run 16766 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16767 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16768 } 16769 clearExternalStorageDataSync(packageName, userId, false); 16770 if (observer != null) { 16771 try { 16772 observer.onRemoveCompleted(packageName, true); 16773 } catch (RemoteException e) { 16774 Log.i(TAG, "Observer no longer exists."); 16775 } 16776 } 16777 } 16778 }); 16779 } 16780 16781 @Override 16782 public void getPackageSizeInfo(final String packageName, int userHandle, 16783 final IPackageStatsObserver observer) { 16784 mContext.enforceCallingOrSelfPermission( 16785 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16786 if (packageName == null) { 16787 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16788 } 16789 16790 PackageStats stats = new PackageStats(packageName, userHandle); 16791 16792 /* 16793 * Queue up an async operation since the package measurement may take a 16794 * little while. 16795 */ 16796 Message msg = mHandler.obtainMessage(INIT_COPY); 16797 msg.obj = new MeasureParams(stats, observer); 16798 mHandler.sendMessage(msg); 16799 } 16800 16801 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16802 final PackageSetting ps; 16803 synchronized (mPackages) { 16804 ps = mSettings.mPackages.get(packageName); 16805 if (ps == null) { 16806 Slog.w(TAG, "Failed to find settings for " + packageName); 16807 return false; 16808 } 16809 } 16810 try { 16811 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16812 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16813 ps.getCeDataInode(userId), ps.codePathString, stats); 16814 } catch (InstallerException e) { 16815 Slog.w(TAG, String.valueOf(e)); 16816 return false; 16817 } 16818 16819 // For now, ignore code size of packages on system partition 16820 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16821 stats.codeSize = 0; 16822 } 16823 16824 return true; 16825 } 16826 16827 private int getUidTargetSdkVersionLockedLPr(int uid) { 16828 Object obj = mSettings.getUserIdLPr(uid); 16829 if (obj instanceof SharedUserSetting) { 16830 final SharedUserSetting sus = (SharedUserSetting) obj; 16831 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16832 final Iterator<PackageSetting> it = sus.packages.iterator(); 16833 while (it.hasNext()) { 16834 final PackageSetting ps = it.next(); 16835 if (ps.pkg != null) { 16836 int v = ps.pkg.applicationInfo.targetSdkVersion; 16837 if (v < vers) vers = v; 16838 } 16839 } 16840 return vers; 16841 } else if (obj instanceof PackageSetting) { 16842 final PackageSetting ps = (PackageSetting) obj; 16843 if (ps.pkg != null) { 16844 return ps.pkg.applicationInfo.targetSdkVersion; 16845 } 16846 } 16847 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16848 } 16849 16850 @Override 16851 public void addPreferredActivity(IntentFilter filter, int match, 16852 ComponentName[] set, ComponentName activity, int userId) { 16853 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16854 "Adding preferred"); 16855 } 16856 16857 private void addPreferredActivityInternal(IntentFilter filter, int match, 16858 ComponentName[] set, ComponentName activity, boolean always, int userId, 16859 String opname) { 16860 // writer 16861 int callingUid = Binder.getCallingUid(); 16862 enforceCrossUserPermission(callingUid, userId, 16863 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16864 if (filter.countActions() == 0) { 16865 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16866 return; 16867 } 16868 synchronized (mPackages) { 16869 if (mContext.checkCallingOrSelfPermission( 16870 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16871 != PackageManager.PERMISSION_GRANTED) { 16872 if (getUidTargetSdkVersionLockedLPr(callingUid) 16873 < Build.VERSION_CODES.FROYO) { 16874 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16875 + callingUid); 16876 return; 16877 } 16878 mContext.enforceCallingOrSelfPermission( 16879 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16880 } 16881 16882 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16883 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16884 + userId + ":"); 16885 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16886 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16887 scheduleWritePackageRestrictionsLocked(userId); 16888 } 16889 } 16890 16891 @Override 16892 public void replacePreferredActivity(IntentFilter filter, int match, 16893 ComponentName[] set, ComponentName activity, int userId) { 16894 if (filter.countActions() != 1) { 16895 throw new IllegalArgumentException( 16896 "replacePreferredActivity expects filter to have only 1 action."); 16897 } 16898 if (filter.countDataAuthorities() != 0 16899 || filter.countDataPaths() != 0 16900 || filter.countDataSchemes() > 1 16901 || filter.countDataTypes() != 0) { 16902 throw new IllegalArgumentException( 16903 "replacePreferredActivity expects filter to have no data authorities, " + 16904 "paths, or types; and at most one scheme."); 16905 } 16906 16907 final int callingUid = Binder.getCallingUid(); 16908 enforceCrossUserPermission(callingUid, userId, 16909 true /* requireFullPermission */, false /* checkShell */, 16910 "replace preferred activity"); 16911 synchronized (mPackages) { 16912 if (mContext.checkCallingOrSelfPermission( 16913 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16914 != PackageManager.PERMISSION_GRANTED) { 16915 if (getUidTargetSdkVersionLockedLPr(callingUid) 16916 < Build.VERSION_CODES.FROYO) { 16917 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16918 + Binder.getCallingUid()); 16919 return; 16920 } 16921 mContext.enforceCallingOrSelfPermission( 16922 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16923 } 16924 16925 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16926 if (pir != null) { 16927 // Get all of the existing entries that exactly match this filter. 16928 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16929 if (existing != null && existing.size() == 1) { 16930 PreferredActivity cur = existing.get(0); 16931 if (DEBUG_PREFERRED) { 16932 Slog.i(TAG, "Checking replace of preferred:"); 16933 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16934 if (!cur.mPref.mAlways) { 16935 Slog.i(TAG, " -- CUR; not mAlways!"); 16936 } else { 16937 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16938 Slog.i(TAG, " -- CUR: mSet=" 16939 + Arrays.toString(cur.mPref.mSetComponents)); 16940 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16941 Slog.i(TAG, " -- NEW: mMatch=" 16942 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16943 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16944 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16945 } 16946 } 16947 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16948 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16949 && cur.mPref.sameSet(set)) { 16950 // Setting the preferred activity to what it happens to be already 16951 if (DEBUG_PREFERRED) { 16952 Slog.i(TAG, "Replacing with same preferred activity " 16953 + cur.mPref.mShortComponent + " for user " 16954 + userId + ":"); 16955 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16956 } 16957 return; 16958 } 16959 } 16960 16961 if (existing != null) { 16962 if (DEBUG_PREFERRED) { 16963 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16964 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16965 } 16966 for (int i = 0; i < existing.size(); i++) { 16967 PreferredActivity pa = existing.get(i); 16968 if (DEBUG_PREFERRED) { 16969 Slog.i(TAG, "Removing existing preferred activity " 16970 + pa.mPref.mComponent + ":"); 16971 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16972 } 16973 pir.removeFilter(pa); 16974 } 16975 } 16976 } 16977 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16978 "Replacing preferred"); 16979 } 16980 } 16981 16982 @Override 16983 public void clearPackagePreferredActivities(String packageName) { 16984 final int uid = Binder.getCallingUid(); 16985 // writer 16986 synchronized (mPackages) { 16987 PackageParser.Package pkg = mPackages.get(packageName); 16988 if (pkg == null || pkg.applicationInfo.uid != uid) { 16989 if (mContext.checkCallingOrSelfPermission( 16990 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16991 != PackageManager.PERMISSION_GRANTED) { 16992 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16993 < Build.VERSION_CODES.FROYO) { 16994 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16995 + Binder.getCallingUid()); 16996 return; 16997 } 16998 mContext.enforceCallingOrSelfPermission( 16999 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17000 } 17001 } 17002 17003 int user = UserHandle.getCallingUserId(); 17004 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17005 scheduleWritePackageRestrictionsLocked(user); 17006 } 17007 } 17008 } 17009 17010 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17011 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17012 ArrayList<PreferredActivity> removed = null; 17013 boolean changed = false; 17014 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17015 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17016 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17017 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17018 continue; 17019 } 17020 Iterator<PreferredActivity> it = pir.filterIterator(); 17021 while (it.hasNext()) { 17022 PreferredActivity pa = it.next(); 17023 // Mark entry for removal only if it matches the package name 17024 // and the entry is of type "always". 17025 if (packageName == null || 17026 (pa.mPref.mComponent.getPackageName().equals(packageName) 17027 && pa.mPref.mAlways)) { 17028 if (removed == null) { 17029 removed = new ArrayList<PreferredActivity>(); 17030 } 17031 removed.add(pa); 17032 } 17033 } 17034 if (removed != null) { 17035 for (int j=0; j<removed.size(); j++) { 17036 PreferredActivity pa = removed.get(j); 17037 pir.removeFilter(pa); 17038 } 17039 changed = true; 17040 } 17041 } 17042 return changed; 17043 } 17044 17045 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17046 private void clearIntentFilterVerificationsLPw(int userId) { 17047 final int packageCount = mPackages.size(); 17048 for (int i = 0; i < packageCount; i++) { 17049 PackageParser.Package pkg = mPackages.valueAt(i); 17050 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17051 } 17052 } 17053 17054 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17055 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17056 if (userId == UserHandle.USER_ALL) { 17057 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17058 sUserManager.getUserIds())) { 17059 for (int oneUserId : sUserManager.getUserIds()) { 17060 scheduleWritePackageRestrictionsLocked(oneUserId); 17061 } 17062 } 17063 } else { 17064 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17065 scheduleWritePackageRestrictionsLocked(userId); 17066 } 17067 } 17068 } 17069 17070 void clearDefaultBrowserIfNeeded(String packageName) { 17071 for (int oneUserId : sUserManager.getUserIds()) { 17072 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17073 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17074 if (packageName.equals(defaultBrowserPackageName)) { 17075 setDefaultBrowserPackageName(null, oneUserId); 17076 } 17077 } 17078 } 17079 17080 @Override 17081 public void resetApplicationPreferences(int userId) { 17082 mContext.enforceCallingOrSelfPermission( 17083 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17084 final long identity = Binder.clearCallingIdentity(); 17085 // writer 17086 try { 17087 synchronized (mPackages) { 17088 clearPackagePreferredActivitiesLPw(null, userId); 17089 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17090 // TODO: We have to reset the default SMS and Phone. This requires 17091 // significant refactoring to keep all default apps in the package 17092 // manager (cleaner but more work) or have the services provide 17093 // callbacks to the package manager to request a default app reset. 17094 applyFactoryDefaultBrowserLPw(userId); 17095 clearIntentFilterVerificationsLPw(userId); 17096 primeDomainVerificationsLPw(userId); 17097 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17098 scheduleWritePackageRestrictionsLocked(userId); 17099 } 17100 resetNetworkPolicies(userId); 17101 } finally { 17102 Binder.restoreCallingIdentity(identity); 17103 } 17104 } 17105 17106 @Override 17107 public int getPreferredActivities(List<IntentFilter> outFilters, 17108 List<ComponentName> outActivities, String packageName) { 17109 17110 int num = 0; 17111 final int userId = UserHandle.getCallingUserId(); 17112 // reader 17113 synchronized (mPackages) { 17114 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17115 if (pir != null) { 17116 final Iterator<PreferredActivity> it = pir.filterIterator(); 17117 while (it.hasNext()) { 17118 final PreferredActivity pa = it.next(); 17119 if (packageName == null 17120 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17121 && pa.mPref.mAlways)) { 17122 if (outFilters != null) { 17123 outFilters.add(new IntentFilter(pa)); 17124 } 17125 if (outActivities != null) { 17126 outActivities.add(pa.mPref.mComponent); 17127 } 17128 } 17129 } 17130 } 17131 } 17132 17133 return num; 17134 } 17135 17136 @Override 17137 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17138 int userId) { 17139 int callingUid = Binder.getCallingUid(); 17140 if (callingUid != Process.SYSTEM_UID) { 17141 throw new SecurityException( 17142 "addPersistentPreferredActivity can only be run by the system"); 17143 } 17144 if (filter.countActions() == 0) { 17145 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17146 return; 17147 } 17148 synchronized (mPackages) { 17149 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17150 ":"); 17151 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17152 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17153 new PersistentPreferredActivity(filter, activity)); 17154 scheduleWritePackageRestrictionsLocked(userId); 17155 } 17156 } 17157 17158 @Override 17159 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17160 int callingUid = Binder.getCallingUid(); 17161 if (callingUid != Process.SYSTEM_UID) { 17162 throw new SecurityException( 17163 "clearPackagePersistentPreferredActivities can only be run by the system"); 17164 } 17165 ArrayList<PersistentPreferredActivity> removed = null; 17166 boolean changed = false; 17167 synchronized (mPackages) { 17168 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17169 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17170 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17171 .valueAt(i); 17172 if (userId != thisUserId) { 17173 continue; 17174 } 17175 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17176 while (it.hasNext()) { 17177 PersistentPreferredActivity ppa = it.next(); 17178 // Mark entry for removal only if it matches the package name. 17179 if (ppa.mComponent.getPackageName().equals(packageName)) { 17180 if (removed == null) { 17181 removed = new ArrayList<PersistentPreferredActivity>(); 17182 } 17183 removed.add(ppa); 17184 } 17185 } 17186 if (removed != null) { 17187 for (int j=0; j<removed.size(); j++) { 17188 PersistentPreferredActivity ppa = removed.get(j); 17189 ppir.removeFilter(ppa); 17190 } 17191 changed = true; 17192 } 17193 } 17194 17195 if (changed) { 17196 scheduleWritePackageRestrictionsLocked(userId); 17197 } 17198 } 17199 } 17200 17201 /** 17202 * Common machinery for picking apart a restored XML blob and passing 17203 * it to a caller-supplied functor to be applied to the running system. 17204 */ 17205 private void restoreFromXml(XmlPullParser parser, int userId, 17206 String expectedStartTag, BlobXmlRestorer functor) 17207 throws IOException, XmlPullParserException { 17208 int type; 17209 while ((type = parser.next()) != XmlPullParser.START_TAG 17210 && type != XmlPullParser.END_DOCUMENT) { 17211 } 17212 if (type != XmlPullParser.START_TAG) { 17213 // oops didn't find a start tag?! 17214 if (DEBUG_BACKUP) { 17215 Slog.e(TAG, "Didn't find start tag during restore"); 17216 } 17217 return; 17218 } 17219Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17220 // this is supposed to be TAG_PREFERRED_BACKUP 17221 if (!expectedStartTag.equals(parser.getName())) { 17222 if (DEBUG_BACKUP) { 17223 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17224 } 17225 return; 17226 } 17227 17228 // skip interfering stuff, then we're aligned with the backing implementation 17229 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17230Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17231 functor.apply(parser, userId); 17232 } 17233 17234 private interface BlobXmlRestorer { 17235 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17236 } 17237 17238 /** 17239 * Non-Binder method, support for the backup/restore mechanism: write the 17240 * full set of preferred activities in its canonical XML format. Returns the 17241 * XML output as a byte array, or null if there is none. 17242 */ 17243 @Override 17244 public byte[] getPreferredActivityBackup(int userId) { 17245 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17246 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17247 } 17248 17249 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17250 try { 17251 final XmlSerializer serializer = new FastXmlSerializer(); 17252 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17253 serializer.startDocument(null, true); 17254 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17255 17256 synchronized (mPackages) { 17257 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17258 } 17259 17260 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17261 serializer.endDocument(); 17262 serializer.flush(); 17263 } catch (Exception e) { 17264 if (DEBUG_BACKUP) { 17265 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17266 } 17267 return null; 17268 } 17269 17270 return dataStream.toByteArray(); 17271 } 17272 17273 @Override 17274 public void restorePreferredActivities(byte[] backup, int userId) { 17275 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17276 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17277 } 17278 17279 try { 17280 final XmlPullParser parser = Xml.newPullParser(); 17281 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17282 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17283 new BlobXmlRestorer() { 17284 @Override 17285 public void apply(XmlPullParser parser, int userId) 17286 throws XmlPullParserException, IOException { 17287 synchronized (mPackages) { 17288 mSettings.readPreferredActivitiesLPw(parser, userId); 17289 } 17290 } 17291 } ); 17292 } catch (Exception e) { 17293 if (DEBUG_BACKUP) { 17294 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17295 } 17296 } 17297 } 17298 17299 /** 17300 * Non-Binder method, support for the backup/restore mechanism: write the 17301 * default browser (etc) settings in its canonical XML format. Returns the default 17302 * browser XML representation as a byte array, or null if there is none. 17303 */ 17304 @Override 17305 public byte[] getDefaultAppsBackup(int userId) { 17306 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17307 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17308 } 17309 17310 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17311 try { 17312 final XmlSerializer serializer = new FastXmlSerializer(); 17313 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17314 serializer.startDocument(null, true); 17315 serializer.startTag(null, TAG_DEFAULT_APPS); 17316 17317 synchronized (mPackages) { 17318 mSettings.writeDefaultAppsLPr(serializer, userId); 17319 } 17320 17321 serializer.endTag(null, TAG_DEFAULT_APPS); 17322 serializer.endDocument(); 17323 serializer.flush(); 17324 } catch (Exception e) { 17325 if (DEBUG_BACKUP) { 17326 Slog.e(TAG, "Unable to write default apps for backup", e); 17327 } 17328 return null; 17329 } 17330 17331 return dataStream.toByteArray(); 17332 } 17333 17334 @Override 17335 public void restoreDefaultApps(byte[] backup, int userId) { 17336 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17337 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17338 } 17339 17340 try { 17341 final XmlPullParser parser = Xml.newPullParser(); 17342 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17343 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17344 new BlobXmlRestorer() { 17345 @Override 17346 public void apply(XmlPullParser parser, int userId) 17347 throws XmlPullParserException, IOException { 17348 synchronized (mPackages) { 17349 mSettings.readDefaultAppsLPw(parser, userId); 17350 } 17351 } 17352 } ); 17353 } catch (Exception e) { 17354 if (DEBUG_BACKUP) { 17355 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17356 } 17357 } 17358 } 17359 17360 @Override 17361 public byte[] getIntentFilterVerificationBackup(int userId) { 17362 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17363 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17364 } 17365 17366 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17367 try { 17368 final XmlSerializer serializer = new FastXmlSerializer(); 17369 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17370 serializer.startDocument(null, true); 17371 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17372 17373 synchronized (mPackages) { 17374 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17375 } 17376 17377 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17378 serializer.endDocument(); 17379 serializer.flush(); 17380 } catch (Exception e) { 17381 if (DEBUG_BACKUP) { 17382 Slog.e(TAG, "Unable to write default apps for backup", e); 17383 } 17384 return null; 17385 } 17386 17387 return dataStream.toByteArray(); 17388 } 17389 17390 @Override 17391 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17392 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17393 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17394 } 17395 17396 try { 17397 final XmlPullParser parser = Xml.newPullParser(); 17398 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17399 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17400 new BlobXmlRestorer() { 17401 @Override 17402 public void apply(XmlPullParser parser, int userId) 17403 throws XmlPullParserException, IOException { 17404 synchronized (mPackages) { 17405 mSettings.readAllDomainVerificationsLPr(parser, userId); 17406 mSettings.writeLPr(); 17407 } 17408 } 17409 } ); 17410 } catch (Exception e) { 17411 if (DEBUG_BACKUP) { 17412 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17413 } 17414 } 17415 } 17416 17417 @Override 17418 public byte[] getPermissionGrantBackup(int userId) { 17419 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17420 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17421 } 17422 17423 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17424 try { 17425 final XmlSerializer serializer = new FastXmlSerializer(); 17426 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17427 serializer.startDocument(null, true); 17428 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17429 17430 synchronized (mPackages) { 17431 serializeRuntimePermissionGrantsLPr(serializer, userId); 17432 } 17433 17434 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17435 serializer.endDocument(); 17436 serializer.flush(); 17437 } catch (Exception e) { 17438 if (DEBUG_BACKUP) { 17439 Slog.e(TAG, "Unable to write default apps for backup", e); 17440 } 17441 return null; 17442 } 17443 17444 return dataStream.toByteArray(); 17445 } 17446 17447 @Override 17448 public void restorePermissionGrants(byte[] backup, int userId) { 17449 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17450 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17451 } 17452 17453 try { 17454 final XmlPullParser parser = Xml.newPullParser(); 17455 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17456 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17457 new BlobXmlRestorer() { 17458 @Override 17459 public void apply(XmlPullParser parser, int userId) 17460 throws XmlPullParserException, IOException { 17461 synchronized (mPackages) { 17462 processRestoredPermissionGrantsLPr(parser, userId); 17463 } 17464 } 17465 } ); 17466 } catch (Exception e) { 17467 if (DEBUG_BACKUP) { 17468 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17469 } 17470 } 17471 } 17472 17473 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17474 throws IOException { 17475 serializer.startTag(null, TAG_ALL_GRANTS); 17476 17477 final int N = mSettings.mPackages.size(); 17478 for (int i = 0; i < N; i++) { 17479 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17480 boolean pkgGrantsKnown = false; 17481 17482 PermissionsState packagePerms = ps.getPermissionsState(); 17483 17484 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17485 final int grantFlags = state.getFlags(); 17486 // only look at grants that are not system/policy fixed 17487 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17488 final boolean isGranted = state.isGranted(); 17489 // And only back up the user-twiddled state bits 17490 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17491 final String packageName = mSettings.mPackages.keyAt(i); 17492 if (!pkgGrantsKnown) { 17493 serializer.startTag(null, TAG_GRANT); 17494 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17495 pkgGrantsKnown = true; 17496 } 17497 17498 final boolean userSet = 17499 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17500 final boolean userFixed = 17501 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17502 final boolean revoke = 17503 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17504 17505 serializer.startTag(null, TAG_PERMISSION); 17506 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17507 if (isGranted) { 17508 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17509 } 17510 if (userSet) { 17511 serializer.attribute(null, ATTR_USER_SET, "true"); 17512 } 17513 if (userFixed) { 17514 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17515 } 17516 if (revoke) { 17517 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17518 } 17519 serializer.endTag(null, TAG_PERMISSION); 17520 } 17521 } 17522 } 17523 17524 if (pkgGrantsKnown) { 17525 serializer.endTag(null, TAG_GRANT); 17526 } 17527 } 17528 17529 serializer.endTag(null, TAG_ALL_GRANTS); 17530 } 17531 17532 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17533 throws XmlPullParserException, IOException { 17534 String pkgName = null; 17535 int outerDepth = parser.getDepth(); 17536 int type; 17537 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17538 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17539 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17540 continue; 17541 } 17542 17543 final String tagName = parser.getName(); 17544 if (tagName.equals(TAG_GRANT)) { 17545 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17546 if (DEBUG_BACKUP) { 17547 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17548 } 17549 } else if (tagName.equals(TAG_PERMISSION)) { 17550 17551 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17552 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17553 17554 int newFlagSet = 0; 17555 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17556 newFlagSet |= FLAG_PERMISSION_USER_SET; 17557 } 17558 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17559 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17560 } 17561 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17562 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17563 } 17564 if (DEBUG_BACKUP) { 17565 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17566 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17567 } 17568 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17569 if (ps != null) { 17570 // Already installed so we apply the grant immediately 17571 if (DEBUG_BACKUP) { 17572 Slog.v(TAG, " + already installed; applying"); 17573 } 17574 PermissionsState perms = ps.getPermissionsState(); 17575 BasePermission bp = mSettings.mPermissions.get(permName); 17576 if (bp != null) { 17577 if (isGranted) { 17578 perms.grantRuntimePermission(bp, userId); 17579 } 17580 if (newFlagSet != 0) { 17581 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17582 } 17583 } 17584 } else { 17585 // Need to wait for post-restore install to apply the grant 17586 if (DEBUG_BACKUP) { 17587 Slog.v(TAG, " - not yet installed; saving for later"); 17588 } 17589 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17590 isGranted, newFlagSet, userId); 17591 } 17592 } else { 17593 PackageManagerService.reportSettingsProblem(Log.WARN, 17594 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17595 XmlUtils.skipCurrentTag(parser); 17596 } 17597 } 17598 17599 scheduleWriteSettingsLocked(); 17600 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17601 } 17602 17603 @Override 17604 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17605 int sourceUserId, int targetUserId, int flags) { 17606 mContext.enforceCallingOrSelfPermission( 17607 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17608 int callingUid = Binder.getCallingUid(); 17609 enforceOwnerRights(ownerPackage, callingUid); 17610 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17611 if (intentFilter.countActions() == 0) { 17612 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17613 return; 17614 } 17615 synchronized (mPackages) { 17616 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17617 ownerPackage, targetUserId, flags); 17618 CrossProfileIntentResolver resolver = 17619 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17620 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17621 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17622 if (existing != null) { 17623 int size = existing.size(); 17624 for (int i = 0; i < size; i++) { 17625 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17626 return; 17627 } 17628 } 17629 } 17630 resolver.addFilter(newFilter); 17631 scheduleWritePackageRestrictionsLocked(sourceUserId); 17632 } 17633 } 17634 17635 @Override 17636 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17637 mContext.enforceCallingOrSelfPermission( 17638 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17639 int callingUid = Binder.getCallingUid(); 17640 enforceOwnerRights(ownerPackage, callingUid); 17641 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17642 synchronized (mPackages) { 17643 CrossProfileIntentResolver resolver = 17644 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17645 ArraySet<CrossProfileIntentFilter> set = 17646 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17647 for (CrossProfileIntentFilter filter : set) { 17648 if (filter.getOwnerPackage().equals(ownerPackage)) { 17649 resolver.removeFilter(filter); 17650 } 17651 } 17652 scheduleWritePackageRestrictionsLocked(sourceUserId); 17653 } 17654 } 17655 17656 // Enforcing that callingUid is owning pkg on userId 17657 private void enforceOwnerRights(String pkg, int callingUid) { 17658 // The system owns everything. 17659 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17660 return; 17661 } 17662 int callingUserId = UserHandle.getUserId(callingUid); 17663 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17664 if (pi == null) { 17665 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17666 + callingUserId); 17667 } 17668 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17669 throw new SecurityException("Calling uid " + callingUid 17670 + " does not own package " + pkg); 17671 } 17672 } 17673 17674 @Override 17675 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17676 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17677 } 17678 17679 private Intent getHomeIntent() { 17680 Intent intent = new Intent(Intent.ACTION_MAIN); 17681 intent.addCategory(Intent.CATEGORY_HOME); 17682 intent.addCategory(Intent.CATEGORY_DEFAULT); 17683 return intent; 17684 } 17685 17686 private IntentFilter getHomeFilter() { 17687 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17688 filter.addCategory(Intent.CATEGORY_HOME); 17689 filter.addCategory(Intent.CATEGORY_DEFAULT); 17690 return filter; 17691 } 17692 17693 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17694 int userId) { 17695 Intent intent = getHomeIntent(); 17696 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17697 PackageManager.GET_META_DATA, userId); 17698 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17699 true, false, false, userId); 17700 17701 allHomeCandidates.clear(); 17702 if (list != null) { 17703 for (ResolveInfo ri : list) { 17704 allHomeCandidates.add(ri); 17705 } 17706 } 17707 return (preferred == null || preferred.activityInfo == null) 17708 ? null 17709 : new ComponentName(preferred.activityInfo.packageName, 17710 preferred.activityInfo.name); 17711 } 17712 17713 @Override 17714 public void setHomeActivity(ComponentName comp, int userId) { 17715 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17716 getHomeActivitiesAsUser(homeActivities, userId); 17717 17718 boolean found = false; 17719 17720 final int size = homeActivities.size(); 17721 final ComponentName[] set = new ComponentName[size]; 17722 for (int i = 0; i < size; i++) { 17723 final ResolveInfo candidate = homeActivities.get(i); 17724 final ActivityInfo info = candidate.activityInfo; 17725 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17726 set[i] = activityName; 17727 if (!found && activityName.equals(comp)) { 17728 found = true; 17729 } 17730 } 17731 if (!found) { 17732 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17733 + userId); 17734 } 17735 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17736 set, comp, userId); 17737 } 17738 17739 private @Nullable String getSetupWizardPackageName() { 17740 final Intent intent = new Intent(Intent.ACTION_MAIN); 17741 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17742 17743 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17744 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17745 | MATCH_DISABLED_COMPONENTS, 17746 UserHandle.myUserId()); 17747 if (matches.size() == 1) { 17748 return matches.get(0).getComponentInfo().packageName; 17749 } else { 17750 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17751 + ": matches=" + matches); 17752 return null; 17753 } 17754 } 17755 17756 @Override 17757 public void setApplicationEnabledSetting(String appPackageName, 17758 int newState, int flags, int userId, String callingPackage) { 17759 if (!sUserManager.exists(userId)) return; 17760 if (callingPackage == null) { 17761 callingPackage = Integer.toString(Binder.getCallingUid()); 17762 } 17763 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17764 } 17765 17766 @Override 17767 public void setComponentEnabledSetting(ComponentName componentName, 17768 int newState, int flags, int userId) { 17769 if (!sUserManager.exists(userId)) return; 17770 setEnabledSetting(componentName.getPackageName(), 17771 componentName.getClassName(), newState, flags, userId, null); 17772 } 17773 17774 private void setEnabledSetting(final String packageName, String className, int newState, 17775 final int flags, int userId, String callingPackage) { 17776 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17777 || newState == COMPONENT_ENABLED_STATE_ENABLED 17778 || newState == COMPONENT_ENABLED_STATE_DISABLED 17779 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17780 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17781 throw new IllegalArgumentException("Invalid new component state: " 17782 + newState); 17783 } 17784 PackageSetting pkgSetting; 17785 final int uid = Binder.getCallingUid(); 17786 final int permission; 17787 if (uid == Process.SYSTEM_UID) { 17788 permission = PackageManager.PERMISSION_GRANTED; 17789 } else { 17790 permission = mContext.checkCallingOrSelfPermission( 17791 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17792 } 17793 enforceCrossUserPermission(uid, userId, 17794 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17795 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17796 boolean sendNow = false; 17797 boolean isApp = (className == null); 17798 String componentName = isApp ? packageName : className; 17799 int packageUid = -1; 17800 ArrayList<String> components; 17801 17802 // writer 17803 synchronized (mPackages) { 17804 pkgSetting = mSettings.mPackages.get(packageName); 17805 if (pkgSetting == null) { 17806 if (className == null) { 17807 throw new IllegalArgumentException("Unknown package: " + packageName); 17808 } 17809 throw new IllegalArgumentException( 17810 "Unknown component: " + packageName + "/" + className); 17811 } 17812 } 17813 17814 // Limit who can change which apps 17815 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17816 // Don't allow apps that don't have permission to modify other apps 17817 if (!allowedByPermission) { 17818 throw new SecurityException( 17819 "Permission Denial: attempt to change component state from pid=" 17820 + Binder.getCallingPid() 17821 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17822 } 17823 // Don't allow changing protected packages. 17824 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17825 throw new SecurityException("Cannot disable a protected package: " + packageName); 17826 } 17827 } 17828 17829 synchronized (mPackages) { 17830 if (uid == Process.SHELL_UID) { 17831 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17832 int oldState = pkgSetting.getEnabled(userId); 17833 if (className == null 17834 && 17835 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17836 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17837 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17838 && 17839 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17840 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17841 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17842 // ok 17843 } else { 17844 throw new SecurityException( 17845 "Shell cannot change component state for " + packageName + "/" 17846 + className + " to " + newState); 17847 } 17848 } 17849 if (className == null) { 17850 // We're dealing with an application/package level state change 17851 if (pkgSetting.getEnabled(userId) == newState) { 17852 // Nothing to do 17853 return; 17854 } 17855 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17856 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17857 // Don't care about who enables an app. 17858 callingPackage = null; 17859 } 17860 pkgSetting.setEnabled(newState, userId, callingPackage); 17861 // pkgSetting.pkg.mSetEnabled = newState; 17862 } else { 17863 // We're dealing with a component level state change 17864 // First, verify that this is a valid class name. 17865 PackageParser.Package pkg = pkgSetting.pkg; 17866 if (pkg == null || !pkg.hasComponentClassName(className)) { 17867 if (pkg != null && 17868 pkg.applicationInfo.targetSdkVersion >= 17869 Build.VERSION_CODES.JELLY_BEAN) { 17870 throw new IllegalArgumentException("Component class " + className 17871 + " does not exist in " + packageName); 17872 } else { 17873 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17874 + className + " does not exist in " + packageName); 17875 } 17876 } 17877 switch (newState) { 17878 case COMPONENT_ENABLED_STATE_ENABLED: 17879 if (!pkgSetting.enableComponentLPw(className, userId)) { 17880 return; 17881 } 17882 break; 17883 case COMPONENT_ENABLED_STATE_DISABLED: 17884 if (!pkgSetting.disableComponentLPw(className, userId)) { 17885 return; 17886 } 17887 break; 17888 case COMPONENT_ENABLED_STATE_DEFAULT: 17889 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17890 return; 17891 } 17892 break; 17893 default: 17894 Slog.e(TAG, "Invalid new component state: " + newState); 17895 return; 17896 } 17897 } 17898 scheduleWritePackageRestrictionsLocked(userId); 17899 components = mPendingBroadcasts.get(userId, packageName); 17900 final boolean newPackage = components == null; 17901 if (newPackage) { 17902 components = new ArrayList<String>(); 17903 } 17904 if (!components.contains(componentName)) { 17905 components.add(componentName); 17906 } 17907 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17908 sendNow = true; 17909 // Purge entry from pending broadcast list if another one exists already 17910 // since we are sending one right away. 17911 mPendingBroadcasts.remove(userId, packageName); 17912 } else { 17913 if (newPackage) { 17914 mPendingBroadcasts.put(userId, packageName, components); 17915 } 17916 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17917 // Schedule a message 17918 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17919 } 17920 } 17921 } 17922 17923 long callingId = Binder.clearCallingIdentity(); 17924 try { 17925 if (sendNow) { 17926 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17927 sendPackageChangedBroadcast(packageName, 17928 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17929 } 17930 } finally { 17931 Binder.restoreCallingIdentity(callingId); 17932 } 17933 } 17934 17935 @Override 17936 public void flushPackageRestrictionsAsUser(int userId) { 17937 if (!sUserManager.exists(userId)) { 17938 return; 17939 } 17940 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17941 false /* checkShell */, "flushPackageRestrictions"); 17942 synchronized (mPackages) { 17943 mSettings.writePackageRestrictionsLPr(userId); 17944 mDirtyUsers.remove(userId); 17945 if (mDirtyUsers.isEmpty()) { 17946 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17947 } 17948 } 17949 } 17950 17951 private void sendPackageChangedBroadcast(String packageName, 17952 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17953 if (DEBUG_INSTALL) 17954 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17955 + componentNames); 17956 Bundle extras = new Bundle(4); 17957 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17958 String nameList[] = new String[componentNames.size()]; 17959 componentNames.toArray(nameList); 17960 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17961 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17962 extras.putInt(Intent.EXTRA_UID, packageUid); 17963 // If this is not reporting a change of the overall package, then only send it 17964 // to registered receivers. We don't want to launch a swath of apps for every 17965 // little component state change. 17966 final int flags = !componentNames.contains(packageName) 17967 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17968 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17969 new int[] {UserHandle.getUserId(packageUid)}); 17970 } 17971 17972 @Override 17973 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17974 if (!sUserManager.exists(userId)) return; 17975 final int uid = Binder.getCallingUid(); 17976 final int permission = mContext.checkCallingOrSelfPermission( 17977 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17978 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17979 enforceCrossUserPermission(uid, userId, 17980 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17981 // writer 17982 synchronized (mPackages) { 17983 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17984 allowedByPermission, uid, userId)) { 17985 scheduleWritePackageRestrictionsLocked(userId); 17986 } 17987 } 17988 } 17989 17990 @Override 17991 public String getInstallerPackageName(String packageName) { 17992 // reader 17993 synchronized (mPackages) { 17994 return mSettings.getInstallerPackageNameLPr(packageName); 17995 } 17996 } 17997 17998 public boolean isOrphaned(String packageName) { 17999 // reader 18000 synchronized (mPackages) { 18001 return mSettings.isOrphaned(packageName); 18002 } 18003 } 18004 18005 @Override 18006 public int getApplicationEnabledSetting(String packageName, int userId) { 18007 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18008 int uid = Binder.getCallingUid(); 18009 enforceCrossUserPermission(uid, userId, 18010 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18011 // reader 18012 synchronized (mPackages) { 18013 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18014 } 18015 } 18016 18017 @Override 18018 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18019 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18020 int uid = Binder.getCallingUid(); 18021 enforceCrossUserPermission(uid, userId, 18022 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18023 // reader 18024 synchronized (mPackages) { 18025 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18026 } 18027 } 18028 18029 @Override 18030 public void enterSafeMode() { 18031 enforceSystemOrRoot("Only the system can request entering safe mode"); 18032 18033 if (!mSystemReady) { 18034 mSafeMode = true; 18035 } 18036 } 18037 18038 @Override 18039 public void systemReady() { 18040 mSystemReady = true; 18041 18042 // Read the compatibilty setting when the system is ready. 18043 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18044 mContext.getContentResolver(), 18045 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18046 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18047 if (DEBUG_SETTINGS) { 18048 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18049 } 18050 18051 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18052 18053 synchronized (mPackages) { 18054 // Verify that all of the preferred activity components actually 18055 // exist. It is possible for applications to be updated and at 18056 // that point remove a previously declared activity component that 18057 // had been set as a preferred activity. We try to clean this up 18058 // the next time we encounter that preferred activity, but it is 18059 // possible for the user flow to never be able to return to that 18060 // situation so here we do a sanity check to make sure we haven't 18061 // left any junk around. 18062 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18063 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18064 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18065 removed.clear(); 18066 for (PreferredActivity pa : pir.filterSet()) { 18067 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18068 removed.add(pa); 18069 } 18070 } 18071 if (removed.size() > 0) { 18072 for (int r=0; r<removed.size(); r++) { 18073 PreferredActivity pa = removed.get(r); 18074 Slog.w(TAG, "Removing dangling preferred activity: " 18075 + pa.mPref.mComponent); 18076 pir.removeFilter(pa); 18077 } 18078 mSettings.writePackageRestrictionsLPr( 18079 mSettings.mPreferredActivities.keyAt(i)); 18080 } 18081 } 18082 18083 for (int userId : UserManagerService.getInstance().getUserIds()) { 18084 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18085 grantPermissionsUserIds = ArrayUtils.appendInt( 18086 grantPermissionsUserIds, userId); 18087 } 18088 } 18089 } 18090 sUserManager.systemReady(); 18091 18092 // If we upgraded grant all default permissions before kicking off. 18093 for (int userId : grantPermissionsUserIds) { 18094 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18095 } 18096 18097 // Kick off any messages waiting for system ready 18098 if (mPostSystemReadyMessages != null) { 18099 for (Message msg : mPostSystemReadyMessages) { 18100 msg.sendToTarget(); 18101 } 18102 mPostSystemReadyMessages = null; 18103 } 18104 18105 // Watch for external volumes that come and go over time 18106 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18107 storage.registerListener(mStorageListener); 18108 18109 mInstallerService.systemReady(); 18110 mPackageDexOptimizer.systemReady(); 18111 18112 MountServiceInternal mountServiceInternal = LocalServices.getService( 18113 MountServiceInternal.class); 18114 mountServiceInternal.addExternalStoragePolicy( 18115 new MountServiceInternal.ExternalStorageMountPolicy() { 18116 @Override 18117 public int getMountMode(int uid, String packageName) { 18118 if (Process.isIsolated(uid)) { 18119 return Zygote.MOUNT_EXTERNAL_NONE; 18120 } 18121 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18122 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18123 } 18124 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18125 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18126 } 18127 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18128 return Zygote.MOUNT_EXTERNAL_READ; 18129 } 18130 return Zygote.MOUNT_EXTERNAL_WRITE; 18131 } 18132 18133 @Override 18134 public boolean hasExternalStorage(int uid, String packageName) { 18135 return true; 18136 } 18137 }); 18138 18139 // Now that we're mostly running, clean up stale users and apps 18140 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18141 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18142 } 18143 18144 @Override 18145 public boolean isSafeMode() { 18146 return mSafeMode; 18147 } 18148 18149 @Override 18150 public boolean hasSystemUidErrors() { 18151 return mHasSystemUidErrors; 18152 } 18153 18154 static String arrayToString(int[] array) { 18155 StringBuffer buf = new StringBuffer(128); 18156 buf.append('['); 18157 if (array != null) { 18158 for (int i=0; i<array.length; i++) { 18159 if (i > 0) buf.append(", "); 18160 buf.append(array[i]); 18161 } 18162 } 18163 buf.append(']'); 18164 return buf.toString(); 18165 } 18166 18167 static class DumpState { 18168 public static final int DUMP_LIBS = 1 << 0; 18169 public static final int DUMP_FEATURES = 1 << 1; 18170 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18171 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18172 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18173 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18174 public static final int DUMP_PERMISSIONS = 1 << 6; 18175 public static final int DUMP_PACKAGES = 1 << 7; 18176 public static final int DUMP_SHARED_USERS = 1 << 8; 18177 public static final int DUMP_MESSAGES = 1 << 9; 18178 public static final int DUMP_PROVIDERS = 1 << 10; 18179 public static final int DUMP_VERIFIERS = 1 << 11; 18180 public static final int DUMP_PREFERRED = 1 << 12; 18181 public static final int DUMP_PREFERRED_XML = 1 << 13; 18182 public static final int DUMP_KEYSETS = 1 << 14; 18183 public static final int DUMP_VERSION = 1 << 15; 18184 public static final int DUMP_INSTALLS = 1 << 16; 18185 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18186 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18187 public static final int DUMP_FROZEN = 1 << 19; 18188 public static final int DUMP_DEXOPT = 1 << 20; 18189 18190 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18191 18192 private int mTypes; 18193 18194 private int mOptions; 18195 18196 private boolean mTitlePrinted; 18197 18198 private SharedUserSetting mSharedUser; 18199 18200 public boolean isDumping(int type) { 18201 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18202 return true; 18203 } 18204 18205 return (mTypes & type) != 0; 18206 } 18207 18208 public void setDump(int type) { 18209 mTypes |= type; 18210 } 18211 18212 public boolean isOptionEnabled(int option) { 18213 return (mOptions & option) != 0; 18214 } 18215 18216 public void setOptionEnabled(int option) { 18217 mOptions |= option; 18218 } 18219 18220 public boolean onTitlePrinted() { 18221 final boolean printed = mTitlePrinted; 18222 mTitlePrinted = true; 18223 return printed; 18224 } 18225 18226 public boolean getTitlePrinted() { 18227 return mTitlePrinted; 18228 } 18229 18230 public void setTitlePrinted(boolean enabled) { 18231 mTitlePrinted = enabled; 18232 } 18233 18234 public SharedUserSetting getSharedUser() { 18235 return mSharedUser; 18236 } 18237 18238 public void setSharedUser(SharedUserSetting user) { 18239 mSharedUser = user; 18240 } 18241 } 18242 18243 @Override 18244 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18245 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18246 (new PackageManagerShellCommand(this)).exec( 18247 this, in, out, err, args, resultReceiver); 18248 } 18249 18250 @Override 18251 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18252 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18253 != PackageManager.PERMISSION_GRANTED) { 18254 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18255 + Binder.getCallingPid() 18256 + ", uid=" + Binder.getCallingUid() 18257 + " without permission " 18258 + android.Manifest.permission.DUMP); 18259 return; 18260 } 18261 18262 DumpState dumpState = new DumpState(); 18263 boolean fullPreferred = false; 18264 boolean checkin = false; 18265 18266 String packageName = null; 18267 ArraySet<String> permissionNames = null; 18268 18269 int opti = 0; 18270 while (opti < args.length) { 18271 String opt = args[opti]; 18272 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18273 break; 18274 } 18275 opti++; 18276 18277 if ("-a".equals(opt)) { 18278 // Right now we only know how to print all. 18279 } else if ("-h".equals(opt)) { 18280 pw.println("Package manager dump options:"); 18281 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18282 pw.println(" --checkin: dump for a checkin"); 18283 pw.println(" -f: print details of intent filters"); 18284 pw.println(" -h: print this help"); 18285 pw.println(" cmd may be one of:"); 18286 pw.println(" l[ibraries]: list known shared libraries"); 18287 pw.println(" f[eatures]: list device features"); 18288 pw.println(" k[eysets]: print known keysets"); 18289 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18290 pw.println(" perm[issions]: dump permissions"); 18291 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18292 pw.println(" pref[erred]: print preferred package settings"); 18293 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18294 pw.println(" prov[iders]: dump content providers"); 18295 pw.println(" p[ackages]: dump installed packages"); 18296 pw.println(" s[hared-users]: dump shared user IDs"); 18297 pw.println(" m[essages]: print collected runtime messages"); 18298 pw.println(" v[erifiers]: print package verifier info"); 18299 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18300 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18301 pw.println(" version: print database version info"); 18302 pw.println(" write: write current settings now"); 18303 pw.println(" installs: details about install sessions"); 18304 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18305 pw.println(" dexopt: dump dexopt state"); 18306 pw.println(" <package.name>: info about given package"); 18307 return; 18308 } else if ("--checkin".equals(opt)) { 18309 checkin = true; 18310 } else if ("-f".equals(opt)) { 18311 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18312 } else { 18313 pw.println("Unknown argument: " + opt + "; use -h for help"); 18314 } 18315 } 18316 18317 // Is the caller requesting to dump a particular piece of data? 18318 if (opti < args.length) { 18319 String cmd = args[opti]; 18320 opti++; 18321 // Is this a package name? 18322 if ("android".equals(cmd) || cmd.contains(".")) { 18323 packageName = cmd; 18324 // When dumping a single package, we always dump all of its 18325 // filter information since the amount of data will be reasonable. 18326 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18327 } else if ("check-permission".equals(cmd)) { 18328 if (opti >= args.length) { 18329 pw.println("Error: check-permission missing permission argument"); 18330 return; 18331 } 18332 String perm = args[opti]; 18333 opti++; 18334 if (opti >= args.length) { 18335 pw.println("Error: check-permission missing package argument"); 18336 return; 18337 } 18338 String pkg = args[opti]; 18339 opti++; 18340 int user = UserHandle.getUserId(Binder.getCallingUid()); 18341 if (opti < args.length) { 18342 try { 18343 user = Integer.parseInt(args[opti]); 18344 } catch (NumberFormatException e) { 18345 pw.println("Error: check-permission user argument is not a number: " 18346 + args[opti]); 18347 return; 18348 } 18349 } 18350 pw.println(checkPermission(perm, pkg, user)); 18351 return; 18352 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18353 dumpState.setDump(DumpState.DUMP_LIBS); 18354 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18355 dumpState.setDump(DumpState.DUMP_FEATURES); 18356 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18357 if (opti >= args.length) { 18358 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18359 | DumpState.DUMP_SERVICE_RESOLVERS 18360 | DumpState.DUMP_RECEIVER_RESOLVERS 18361 | DumpState.DUMP_CONTENT_RESOLVERS); 18362 } else { 18363 while (opti < args.length) { 18364 String name = args[opti]; 18365 if ("a".equals(name) || "activity".equals(name)) { 18366 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18367 } else if ("s".equals(name) || "service".equals(name)) { 18368 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18369 } else if ("r".equals(name) || "receiver".equals(name)) { 18370 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18371 } else if ("c".equals(name) || "content".equals(name)) { 18372 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18373 } else { 18374 pw.println("Error: unknown resolver table type: " + name); 18375 return; 18376 } 18377 opti++; 18378 } 18379 } 18380 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18381 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18382 } else if ("permission".equals(cmd)) { 18383 if (opti >= args.length) { 18384 pw.println("Error: permission requires permission name"); 18385 return; 18386 } 18387 permissionNames = new ArraySet<>(); 18388 while (opti < args.length) { 18389 permissionNames.add(args[opti]); 18390 opti++; 18391 } 18392 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18393 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18394 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18395 dumpState.setDump(DumpState.DUMP_PREFERRED); 18396 } else if ("preferred-xml".equals(cmd)) { 18397 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18398 if (opti < args.length && "--full".equals(args[opti])) { 18399 fullPreferred = true; 18400 opti++; 18401 } 18402 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18403 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18404 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18405 dumpState.setDump(DumpState.DUMP_PACKAGES); 18406 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18407 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18408 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18409 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18410 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18411 dumpState.setDump(DumpState.DUMP_MESSAGES); 18412 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18413 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18414 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18415 || "intent-filter-verifiers".equals(cmd)) { 18416 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18417 } else if ("version".equals(cmd)) { 18418 dumpState.setDump(DumpState.DUMP_VERSION); 18419 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18420 dumpState.setDump(DumpState.DUMP_KEYSETS); 18421 } else if ("installs".equals(cmd)) { 18422 dumpState.setDump(DumpState.DUMP_INSTALLS); 18423 } else if ("frozen".equals(cmd)) { 18424 dumpState.setDump(DumpState.DUMP_FROZEN); 18425 } else if ("dexopt".equals(cmd)) { 18426 dumpState.setDump(DumpState.DUMP_DEXOPT); 18427 } else if ("write".equals(cmd)) { 18428 synchronized (mPackages) { 18429 mSettings.writeLPr(); 18430 pw.println("Settings written."); 18431 return; 18432 } 18433 } 18434 } 18435 18436 if (checkin) { 18437 pw.println("vers,1"); 18438 } 18439 18440 // reader 18441 synchronized (mPackages) { 18442 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18443 if (!checkin) { 18444 if (dumpState.onTitlePrinted()) 18445 pw.println(); 18446 pw.println("Database versions:"); 18447 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18448 } 18449 } 18450 18451 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18452 if (!checkin) { 18453 if (dumpState.onTitlePrinted()) 18454 pw.println(); 18455 pw.println("Verifiers:"); 18456 pw.print(" Required: "); 18457 pw.print(mRequiredVerifierPackage); 18458 pw.print(" (uid="); 18459 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18460 UserHandle.USER_SYSTEM)); 18461 pw.println(")"); 18462 } else if (mRequiredVerifierPackage != null) { 18463 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18464 pw.print(","); 18465 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18466 UserHandle.USER_SYSTEM)); 18467 } 18468 } 18469 18470 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18471 packageName == null) { 18472 if (mIntentFilterVerifierComponent != null) { 18473 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18474 if (!checkin) { 18475 if (dumpState.onTitlePrinted()) 18476 pw.println(); 18477 pw.println("Intent Filter Verifier:"); 18478 pw.print(" Using: "); 18479 pw.print(verifierPackageName); 18480 pw.print(" (uid="); 18481 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18482 UserHandle.USER_SYSTEM)); 18483 pw.println(")"); 18484 } else if (verifierPackageName != null) { 18485 pw.print("ifv,"); pw.print(verifierPackageName); 18486 pw.print(","); 18487 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18488 UserHandle.USER_SYSTEM)); 18489 } 18490 } else { 18491 pw.println(); 18492 pw.println("No Intent Filter Verifier available!"); 18493 } 18494 } 18495 18496 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18497 boolean printedHeader = false; 18498 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18499 while (it.hasNext()) { 18500 String name = it.next(); 18501 SharedLibraryEntry ent = mSharedLibraries.get(name); 18502 if (!checkin) { 18503 if (!printedHeader) { 18504 if (dumpState.onTitlePrinted()) 18505 pw.println(); 18506 pw.println("Libraries:"); 18507 printedHeader = true; 18508 } 18509 pw.print(" "); 18510 } else { 18511 pw.print("lib,"); 18512 } 18513 pw.print(name); 18514 if (!checkin) { 18515 pw.print(" -> "); 18516 } 18517 if (ent.path != null) { 18518 if (!checkin) { 18519 pw.print("(jar) "); 18520 pw.print(ent.path); 18521 } else { 18522 pw.print(",jar,"); 18523 pw.print(ent.path); 18524 } 18525 } else { 18526 if (!checkin) { 18527 pw.print("(apk) "); 18528 pw.print(ent.apk); 18529 } else { 18530 pw.print(",apk,"); 18531 pw.print(ent.apk); 18532 } 18533 } 18534 pw.println(); 18535 } 18536 } 18537 18538 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18539 if (dumpState.onTitlePrinted()) 18540 pw.println(); 18541 if (!checkin) { 18542 pw.println("Features:"); 18543 } 18544 18545 for (FeatureInfo feat : mAvailableFeatures.values()) { 18546 if (checkin) { 18547 pw.print("feat,"); 18548 pw.print(feat.name); 18549 pw.print(","); 18550 pw.println(feat.version); 18551 } else { 18552 pw.print(" "); 18553 pw.print(feat.name); 18554 if (feat.version > 0) { 18555 pw.print(" version="); 18556 pw.print(feat.version); 18557 } 18558 pw.println(); 18559 } 18560 } 18561 } 18562 18563 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18564 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18565 : "Activity Resolver Table:", " ", packageName, 18566 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18567 dumpState.setTitlePrinted(true); 18568 } 18569 } 18570 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18571 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18572 : "Receiver Resolver Table:", " ", packageName, 18573 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18574 dumpState.setTitlePrinted(true); 18575 } 18576 } 18577 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18578 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18579 : "Service Resolver Table:", " ", packageName, 18580 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18581 dumpState.setTitlePrinted(true); 18582 } 18583 } 18584 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18585 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18586 : "Provider Resolver Table:", " ", packageName, 18587 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18588 dumpState.setTitlePrinted(true); 18589 } 18590 } 18591 18592 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18593 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18594 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18595 int user = mSettings.mPreferredActivities.keyAt(i); 18596 if (pir.dump(pw, 18597 dumpState.getTitlePrinted() 18598 ? "\nPreferred Activities User " + user + ":" 18599 : "Preferred Activities User " + user + ":", " ", 18600 packageName, true, false)) { 18601 dumpState.setTitlePrinted(true); 18602 } 18603 } 18604 } 18605 18606 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18607 pw.flush(); 18608 FileOutputStream fout = new FileOutputStream(fd); 18609 BufferedOutputStream str = new BufferedOutputStream(fout); 18610 XmlSerializer serializer = new FastXmlSerializer(); 18611 try { 18612 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18613 serializer.startDocument(null, true); 18614 serializer.setFeature( 18615 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18616 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18617 serializer.endDocument(); 18618 serializer.flush(); 18619 } catch (IllegalArgumentException e) { 18620 pw.println("Failed writing: " + e); 18621 } catch (IllegalStateException e) { 18622 pw.println("Failed writing: " + e); 18623 } catch (IOException e) { 18624 pw.println("Failed writing: " + e); 18625 } 18626 } 18627 18628 if (!checkin 18629 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18630 && packageName == null) { 18631 pw.println(); 18632 int count = mSettings.mPackages.size(); 18633 if (count == 0) { 18634 pw.println("No applications!"); 18635 pw.println(); 18636 } else { 18637 final String prefix = " "; 18638 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18639 if (allPackageSettings.size() == 0) { 18640 pw.println("No domain preferred apps!"); 18641 pw.println(); 18642 } else { 18643 pw.println("App verification status:"); 18644 pw.println(); 18645 count = 0; 18646 for (PackageSetting ps : allPackageSettings) { 18647 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18648 if (ivi == null || ivi.getPackageName() == null) continue; 18649 pw.println(prefix + "Package: " + ivi.getPackageName()); 18650 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18651 pw.println(prefix + "Status: " + ivi.getStatusString()); 18652 pw.println(); 18653 count++; 18654 } 18655 if (count == 0) { 18656 pw.println(prefix + "No app verification established."); 18657 pw.println(); 18658 } 18659 for (int userId : sUserManager.getUserIds()) { 18660 pw.println("App linkages for user " + userId + ":"); 18661 pw.println(); 18662 count = 0; 18663 for (PackageSetting ps : allPackageSettings) { 18664 final long status = ps.getDomainVerificationStatusForUser(userId); 18665 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18666 continue; 18667 } 18668 pw.println(prefix + "Package: " + ps.name); 18669 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18670 String statusStr = IntentFilterVerificationInfo. 18671 getStatusStringFromValue(status); 18672 pw.println(prefix + "Status: " + statusStr); 18673 pw.println(); 18674 count++; 18675 } 18676 if (count == 0) { 18677 pw.println(prefix + "No configured app linkages."); 18678 pw.println(); 18679 } 18680 } 18681 } 18682 } 18683 } 18684 18685 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18686 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18687 if (packageName == null && permissionNames == null) { 18688 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18689 if (iperm == 0) { 18690 if (dumpState.onTitlePrinted()) 18691 pw.println(); 18692 pw.println("AppOp Permissions:"); 18693 } 18694 pw.print(" AppOp Permission "); 18695 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18696 pw.println(":"); 18697 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18698 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18699 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18700 } 18701 } 18702 } 18703 } 18704 18705 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18706 boolean printedSomething = false; 18707 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18708 if (packageName != null && !packageName.equals(p.info.packageName)) { 18709 continue; 18710 } 18711 if (!printedSomething) { 18712 if (dumpState.onTitlePrinted()) 18713 pw.println(); 18714 pw.println("Registered ContentProviders:"); 18715 printedSomething = true; 18716 } 18717 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18718 pw.print(" "); pw.println(p.toString()); 18719 } 18720 printedSomething = false; 18721 for (Map.Entry<String, PackageParser.Provider> entry : 18722 mProvidersByAuthority.entrySet()) { 18723 PackageParser.Provider p = entry.getValue(); 18724 if (packageName != null && !packageName.equals(p.info.packageName)) { 18725 continue; 18726 } 18727 if (!printedSomething) { 18728 if (dumpState.onTitlePrinted()) 18729 pw.println(); 18730 pw.println("ContentProvider Authorities:"); 18731 printedSomething = true; 18732 } 18733 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18734 pw.print(" "); pw.println(p.toString()); 18735 if (p.info != null && p.info.applicationInfo != null) { 18736 final String appInfo = p.info.applicationInfo.toString(); 18737 pw.print(" applicationInfo="); pw.println(appInfo); 18738 } 18739 } 18740 } 18741 18742 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18743 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18744 } 18745 18746 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18747 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18748 } 18749 18750 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18751 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18752 } 18753 18754 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18755 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18756 } 18757 18758 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18759 // XXX should handle packageName != null by dumping only install data that 18760 // the given package is involved with. 18761 if (dumpState.onTitlePrinted()) pw.println(); 18762 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18763 } 18764 18765 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18766 // XXX should handle packageName != null by dumping only install data that 18767 // the given package is involved with. 18768 if (dumpState.onTitlePrinted()) pw.println(); 18769 18770 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18771 ipw.println(); 18772 ipw.println("Frozen packages:"); 18773 ipw.increaseIndent(); 18774 if (mFrozenPackages.size() == 0) { 18775 ipw.println("(none)"); 18776 } else { 18777 for (int i = 0; i < mFrozenPackages.size(); i++) { 18778 ipw.println(mFrozenPackages.valueAt(i)); 18779 } 18780 } 18781 ipw.decreaseIndent(); 18782 } 18783 18784 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18785 if (dumpState.onTitlePrinted()) pw.println(); 18786 dumpDexoptStateLPr(pw, packageName); 18787 } 18788 18789 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18790 if (dumpState.onTitlePrinted()) pw.println(); 18791 mSettings.dumpReadMessagesLPr(pw, dumpState); 18792 18793 pw.println(); 18794 pw.println("Package warning messages:"); 18795 BufferedReader in = null; 18796 String line = null; 18797 try { 18798 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18799 while ((line = in.readLine()) != null) { 18800 if (line.contains("ignored: updated version")) continue; 18801 pw.println(line); 18802 } 18803 } catch (IOException ignored) { 18804 } finally { 18805 IoUtils.closeQuietly(in); 18806 } 18807 } 18808 18809 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18810 BufferedReader in = null; 18811 String line = null; 18812 try { 18813 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18814 while ((line = in.readLine()) != null) { 18815 if (line.contains("ignored: updated version")) continue; 18816 pw.print("msg,"); 18817 pw.println(line); 18818 } 18819 } catch (IOException ignored) { 18820 } finally { 18821 IoUtils.closeQuietly(in); 18822 } 18823 } 18824 } 18825 } 18826 18827 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18828 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18829 ipw.println(); 18830 ipw.println("Dexopt state:"); 18831 ipw.increaseIndent(); 18832 Collection<PackageParser.Package> packages = null; 18833 if (packageName != null) { 18834 PackageParser.Package targetPackage = mPackages.get(packageName); 18835 if (targetPackage != null) { 18836 packages = Collections.singletonList(targetPackage); 18837 } else { 18838 ipw.println("Unable to find package: " + packageName); 18839 return; 18840 } 18841 } else { 18842 packages = mPackages.values(); 18843 } 18844 18845 for (PackageParser.Package pkg : packages) { 18846 ipw.println("[" + pkg.packageName + "]"); 18847 ipw.increaseIndent(); 18848 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18849 ipw.decreaseIndent(); 18850 } 18851 } 18852 18853 private String dumpDomainString(String packageName) { 18854 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18855 .getList(); 18856 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18857 18858 ArraySet<String> result = new ArraySet<>(); 18859 if (iviList.size() > 0) { 18860 for (IntentFilterVerificationInfo ivi : iviList) { 18861 for (String host : ivi.getDomains()) { 18862 result.add(host); 18863 } 18864 } 18865 } 18866 if (filters != null && filters.size() > 0) { 18867 for (IntentFilter filter : filters) { 18868 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18869 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18870 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18871 result.addAll(filter.getHostsList()); 18872 } 18873 } 18874 } 18875 18876 StringBuilder sb = new StringBuilder(result.size() * 16); 18877 for (String domain : result) { 18878 if (sb.length() > 0) sb.append(" "); 18879 sb.append(domain); 18880 } 18881 return sb.toString(); 18882 } 18883 18884 // ------- apps on sdcard specific code ------- 18885 static final boolean DEBUG_SD_INSTALL = false; 18886 18887 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18888 18889 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18890 18891 private boolean mMediaMounted = false; 18892 18893 static String getEncryptKey() { 18894 try { 18895 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18896 SD_ENCRYPTION_KEYSTORE_NAME); 18897 if (sdEncKey == null) { 18898 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18899 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18900 if (sdEncKey == null) { 18901 Slog.e(TAG, "Failed to create encryption keys"); 18902 return null; 18903 } 18904 } 18905 return sdEncKey; 18906 } catch (NoSuchAlgorithmException nsae) { 18907 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18908 return null; 18909 } catch (IOException ioe) { 18910 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18911 return null; 18912 } 18913 } 18914 18915 /* 18916 * Update media status on PackageManager. 18917 */ 18918 @Override 18919 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18920 int callingUid = Binder.getCallingUid(); 18921 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18922 throw new SecurityException("Media status can only be updated by the system"); 18923 } 18924 // reader; this apparently protects mMediaMounted, but should probably 18925 // be a different lock in that case. 18926 synchronized (mPackages) { 18927 Log.i(TAG, "Updating external media status from " 18928 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18929 + (mediaStatus ? "mounted" : "unmounted")); 18930 if (DEBUG_SD_INSTALL) 18931 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18932 + ", mMediaMounted=" + mMediaMounted); 18933 if (mediaStatus == mMediaMounted) { 18934 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18935 : 0, -1); 18936 mHandler.sendMessage(msg); 18937 return; 18938 } 18939 mMediaMounted = mediaStatus; 18940 } 18941 // Queue up an async operation since the package installation may take a 18942 // little while. 18943 mHandler.post(new Runnable() { 18944 public void run() { 18945 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18946 } 18947 }); 18948 } 18949 18950 /** 18951 * Called by MountService when the initial ASECs to scan are available. 18952 * Should block until all the ASEC containers are finished being scanned. 18953 */ 18954 public void scanAvailableAsecs() { 18955 updateExternalMediaStatusInner(true, false, false); 18956 } 18957 18958 /* 18959 * Collect information of applications on external media, map them against 18960 * existing containers and update information based on current mount status. 18961 * Please note that we always have to report status if reportStatus has been 18962 * set to true especially when unloading packages. 18963 */ 18964 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18965 boolean externalStorage) { 18966 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18967 int[] uidArr = EmptyArray.INT; 18968 18969 final String[] list = PackageHelper.getSecureContainerList(); 18970 if (ArrayUtils.isEmpty(list)) { 18971 Log.i(TAG, "No secure containers found"); 18972 } else { 18973 // Process list of secure containers and categorize them 18974 // as active or stale based on their package internal state. 18975 18976 // reader 18977 synchronized (mPackages) { 18978 for (String cid : list) { 18979 // Leave stages untouched for now; installer service owns them 18980 if (PackageInstallerService.isStageName(cid)) continue; 18981 18982 if (DEBUG_SD_INSTALL) 18983 Log.i(TAG, "Processing container " + cid); 18984 String pkgName = getAsecPackageName(cid); 18985 if (pkgName == null) { 18986 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18987 continue; 18988 } 18989 if (DEBUG_SD_INSTALL) 18990 Log.i(TAG, "Looking for pkg : " + pkgName); 18991 18992 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18993 if (ps == null) { 18994 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18995 continue; 18996 } 18997 18998 /* 18999 * Skip packages that are not external if we're unmounting 19000 * external storage. 19001 */ 19002 if (externalStorage && !isMounted && !isExternal(ps)) { 19003 continue; 19004 } 19005 19006 final AsecInstallArgs args = new AsecInstallArgs(cid, 19007 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19008 // The package status is changed only if the code path 19009 // matches between settings and the container id. 19010 if (ps.codePathString != null 19011 && ps.codePathString.startsWith(args.getCodePath())) { 19012 if (DEBUG_SD_INSTALL) { 19013 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19014 + " at code path: " + ps.codePathString); 19015 } 19016 19017 // We do have a valid package installed on sdcard 19018 processCids.put(args, ps.codePathString); 19019 final int uid = ps.appId; 19020 if (uid != -1) { 19021 uidArr = ArrayUtils.appendInt(uidArr, uid); 19022 } 19023 } else { 19024 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19025 + ps.codePathString); 19026 } 19027 } 19028 } 19029 19030 Arrays.sort(uidArr); 19031 } 19032 19033 // Process packages with valid entries. 19034 if (isMounted) { 19035 if (DEBUG_SD_INSTALL) 19036 Log.i(TAG, "Loading packages"); 19037 loadMediaPackages(processCids, uidArr, externalStorage); 19038 startCleaningPackages(); 19039 mInstallerService.onSecureContainersAvailable(); 19040 } else { 19041 if (DEBUG_SD_INSTALL) 19042 Log.i(TAG, "Unloading packages"); 19043 unloadMediaPackages(processCids, uidArr, reportStatus); 19044 } 19045 } 19046 19047 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19048 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19049 final int size = infos.size(); 19050 final String[] packageNames = new String[size]; 19051 final int[] packageUids = new int[size]; 19052 for (int i = 0; i < size; i++) { 19053 final ApplicationInfo info = infos.get(i); 19054 packageNames[i] = info.packageName; 19055 packageUids[i] = info.uid; 19056 } 19057 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19058 finishedReceiver); 19059 } 19060 19061 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19062 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19063 sendResourcesChangedBroadcast(mediaStatus, replacing, 19064 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19065 } 19066 19067 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19068 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19069 int size = pkgList.length; 19070 if (size > 0) { 19071 // Send broadcasts here 19072 Bundle extras = new Bundle(); 19073 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19074 if (uidArr != null) { 19075 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19076 } 19077 if (replacing) { 19078 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19079 } 19080 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19081 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19082 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19083 } 19084 } 19085 19086 /* 19087 * Look at potentially valid container ids from processCids If package 19088 * information doesn't match the one on record or package scanning fails, 19089 * the cid is added to list of removeCids. We currently don't delete stale 19090 * containers. 19091 */ 19092 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19093 boolean externalStorage) { 19094 ArrayList<String> pkgList = new ArrayList<String>(); 19095 Set<AsecInstallArgs> keys = processCids.keySet(); 19096 19097 for (AsecInstallArgs args : keys) { 19098 String codePath = processCids.get(args); 19099 if (DEBUG_SD_INSTALL) 19100 Log.i(TAG, "Loading container : " + args.cid); 19101 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19102 try { 19103 // Make sure there are no container errors first. 19104 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19105 Slog.e(TAG, "Failed to mount cid : " + args.cid 19106 + " when installing from sdcard"); 19107 continue; 19108 } 19109 // Check code path here. 19110 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19111 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19112 + " does not match one in settings " + codePath); 19113 continue; 19114 } 19115 // Parse package 19116 int parseFlags = mDefParseFlags; 19117 if (args.isExternalAsec()) { 19118 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19119 } 19120 if (args.isFwdLocked()) { 19121 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19122 } 19123 19124 synchronized (mInstallLock) { 19125 PackageParser.Package pkg = null; 19126 try { 19127 // Sadly we don't know the package name yet to freeze it 19128 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19129 SCAN_IGNORE_FROZEN, 0, null); 19130 } catch (PackageManagerException e) { 19131 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19132 } 19133 // Scan the package 19134 if (pkg != null) { 19135 /* 19136 * TODO why is the lock being held? doPostInstall is 19137 * called in other places without the lock. This needs 19138 * to be straightened out. 19139 */ 19140 // writer 19141 synchronized (mPackages) { 19142 retCode = PackageManager.INSTALL_SUCCEEDED; 19143 pkgList.add(pkg.packageName); 19144 // Post process args 19145 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19146 pkg.applicationInfo.uid); 19147 } 19148 } else { 19149 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19150 } 19151 } 19152 19153 } finally { 19154 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19155 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19156 } 19157 } 19158 } 19159 // writer 19160 synchronized (mPackages) { 19161 // If the platform SDK has changed since the last time we booted, 19162 // we need to re-grant app permission to catch any new ones that 19163 // appear. This is really a hack, and means that apps can in some 19164 // cases get permissions that the user didn't initially explicitly 19165 // allow... it would be nice to have some better way to handle 19166 // this situation. 19167 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19168 : mSettings.getInternalVersion(); 19169 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19170 : StorageManager.UUID_PRIVATE_INTERNAL; 19171 19172 int updateFlags = UPDATE_PERMISSIONS_ALL; 19173 if (ver.sdkVersion != mSdkVersion) { 19174 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19175 + mSdkVersion + "; regranting permissions for external"); 19176 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19177 } 19178 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19179 19180 // Yay, everything is now upgraded 19181 ver.forceCurrent(); 19182 19183 // can downgrade to reader 19184 // Persist settings 19185 mSettings.writeLPr(); 19186 } 19187 // Send a broadcast to let everyone know we are done processing 19188 if (pkgList.size() > 0) { 19189 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19190 } 19191 } 19192 19193 /* 19194 * Utility method to unload a list of specified containers 19195 */ 19196 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19197 // Just unmount all valid containers. 19198 for (AsecInstallArgs arg : cidArgs) { 19199 synchronized (mInstallLock) { 19200 arg.doPostDeleteLI(false); 19201 } 19202 } 19203 } 19204 19205 /* 19206 * Unload packages mounted on external media. This involves deleting package 19207 * data from internal structures, sending broadcasts about disabled packages, 19208 * gc'ing to free up references, unmounting all secure containers 19209 * corresponding to packages on external media, and posting a 19210 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19211 * that we always have to post this message if status has been requested no 19212 * matter what. 19213 */ 19214 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19215 final boolean reportStatus) { 19216 if (DEBUG_SD_INSTALL) 19217 Log.i(TAG, "unloading media packages"); 19218 ArrayList<String> pkgList = new ArrayList<String>(); 19219 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19220 final Set<AsecInstallArgs> keys = processCids.keySet(); 19221 for (AsecInstallArgs args : keys) { 19222 String pkgName = args.getPackageName(); 19223 if (DEBUG_SD_INSTALL) 19224 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19225 // Delete package internally 19226 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19227 synchronized (mInstallLock) { 19228 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19229 final boolean res; 19230 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19231 "unloadMediaPackages")) { 19232 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19233 null); 19234 } 19235 if (res) { 19236 pkgList.add(pkgName); 19237 } else { 19238 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19239 failedList.add(args); 19240 } 19241 } 19242 } 19243 19244 // reader 19245 synchronized (mPackages) { 19246 // We didn't update the settings after removing each package; 19247 // write them now for all packages. 19248 mSettings.writeLPr(); 19249 } 19250 19251 // We have to absolutely send UPDATED_MEDIA_STATUS only 19252 // after confirming that all the receivers processed the ordered 19253 // broadcast when packages get disabled, force a gc to clean things up. 19254 // and unload all the containers. 19255 if (pkgList.size() > 0) { 19256 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19257 new IIntentReceiver.Stub() { 19258 public void performReceive(Intent intent, int resultCode, String data, 19259 Bundle extras, boolean ordered, boolean sticky, 19260 int sendingUser) throws RemoteException { 19261 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19262 reportStatus ? 1 : 0, 1, keys); 19263 mHandler.sendMessage(msg); 19264 } 19265 }); 19266 } else { 19267 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19268 keys); 19269 mHandler.sendMessage(msg); 19270 } 19271 } 19272 19273 private void loadPrivatePackages(final VolumeInfo vol) { 19274 mHandler.post(new Runnable() { 19275 @Override 19276 public void run() { 19277 loadPrivatePackagesInner(vol); 19278 } 19279 }); 19280 } 19281 19282 private void loadPrivatePackagesInner(VolumeInfo vol) { 19283 final String volumeUuid = vol.fsUuid; 19284 if (TextUtils.isEmpty(volumeUuid)) { 19285 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19286 return; 19287 } 19288 19289 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19290 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19291 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19292 19293 final VersionInfo ver; 19294 final List<PackageSetting> packages; 19295 synchronized (mPackages) { 19296 ver = mSettings.findOrCreateVersion(volumeUuid); 19297 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19298 } 19299 19300 for (PackageSetting ps : packages) { 19301 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19302 synchronized (mInstallLock) { 19303 final PackageParser.Package pkg; 19304 try { 19305 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19306 loaded.add(pkg.applicationInfo); 19307 19308 } catch (PackageManagerException e) { 19309 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19310 } 19311 19312 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19313 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19314 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19315 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19316 } 19317 } 19318 } 19319 19320 // Reconcile app data for all started/unlocked users 19321 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19322 final UserManager um = mContext.getSystemService(UserManager.class); 19323 UserManagerInternal umInternal = getUserManagerInternal(); 19324 for (UserInfo user : um.getUsers()) { 19325 final int flags; 19326 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19327 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19328 } else if (umInternal.isUserRunning(user.id)) { 19329 flags = StorageManager.FLAG_STORAGE_DE; 19330 } else { 19331 continue; 19332 } 19333 19334 try { 19335 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19336 synchronized (mInstallLock) { 19337 reconcileAppsDataLI(volumeUuid, user.id, flags); 19338 } 19339 } catch (IllegalStateException e) { 19340 // Device was probably ejected, and we'll process that event momentarily 19341 Slog.w(TAG, "Failed to prepare storage: " + e); 19342 } 19343 } 19344 19345 synchronized (mPackages) { 19346 int updateFlags = UPDATE_PERMISSIONS_ALL; 19347 if (ver.sdkVersion != mSdkVersion) { 19348 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19349 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19350 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19351 } 19352 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19353 19354 // Yay, everything is now upgraded 19355 ver.forceCurrent(); 19356 19357 mSettings.writeLPr(); 19358 } 19359 19360 for (PackageFreezer freezer : freezers) { 19361 freezer.close(); 19362 } 19363 19364 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19365 sendResourcesChangedBroadcast(true, false, loaded, null); 19366 } 19367 19368 private void unloadPrivatePackages(final VolumeInfo vol) { 19369 mHandler.post(new Runnable() { 19370 @Override 19371 public void run() { 19372 unloadPrivatePackagesInner(vol); 19373 } 19374 }); 19375 } 19376 19377 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19378 final String volumeUuid = vol.fsUuid; 19379 if (TextUtils.isEmpty(volumeUuid)) { 19380 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19381 return; 19382 } 19383 19384 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19385 synchronized (mInstallLock) { 19386 synchronized (mPackages) { 19387 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19388 for (PackageSetting ps : packages) { 19389 if (ps.pkg == null) continue; 19390 19391 final ApplicationInfo info = ps.pkg.applicationInfo; 19392 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19393 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19394 19395 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19396 "unloadPrivatePackagesInner")) { 19397 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19398 false, null)) { 19399 unloaded.add(info); 19400 } else { 19401 Slog.w(TAG, "Failed to unload " + ps.codePath); 19402 } 19403 } 19404 19405 // Try very hard to release any references to this package 19406 // so we don't risk the system server being killed due to 19407 // open FDs 19408 AttributeCache.instance().removePackage(ps.name); 19409 } 19410 19411 mSettings.writeLPr(); 19412 } 19413 } 19414 19415 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19416 sendResourcesChangedBroadcast(false, false, unloaded, null); 19417 19418 // Try very hard to release any references to this path so we don't risk 19419 // the system server being killed due to open FDs 19420 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19421 19422 for (int i = 0; i < 3; i++) { 19423 System.gc(); 19424 System.runFinalization(); 19425 } 19426 } 19427 19428 /** 19429 * Prepare storage areas for given user on all mounted devices. 19430 */ 19431 void prepareUserData(int userId, int userSerial, int flags) { 19432 synchronized (mInstallLock) { 19433 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19434 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19435 final String volumeUuid = vol.getFsUuid(); 19436 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19437 } 19438 } 19439 } 19440 19441 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19442 boolean allowRecover) { 19443 // Prepare storage and verify that serial numbers are consistent; if 19444 // there's a mismatch we need to destroy to avoid leaking data 19445 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19446 try { 19447 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19448 19449 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19450 UserManagerService.enforceSerialNumber( 19451 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19452 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19453 UserManagerService.enforceSerialNumber( 19454 Environment.getDataSystemDeDirectory(userId), userSerial); 19455 } 19456 } 19457 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19458 UserManagerService.enforceSerialNumber( 19459 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19460 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19461 UserManagerService.enforceSerialNumber( 19462 Environment.getDataSystemCeDirectory(userId), userSerial); 19463 } 19464 } 19465 19466 synchronized (mInstallLock) { 19467 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19468 } 19469 } catch (Exception e) { 19470 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19471 + " because we failed to prepare: " + e); 19472 destroyUserDataLI(volumeUuid, userId, 19473 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19474 19475 if (allowRecover) { 19476 // Try one last time; if we fail again we're really in trouble 19477 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19478 } 19479 } 19480 } 19481 19482 /** 19483 * Destroy storage areas for given user on all mounted devices. 19484 */ 19485 void destroyUserData(int userId, int flags) { 19486 synchronized (mInstallLock) { 19487 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19488 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19489 final String volumeUuid = vol.getFsUuid(); 19490 destroyUserDataLI(volumeUuid, userId, flags); 19491 } 19492 } 19493 } 19494 19495 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19496 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19497 try { 19498 // Clean up app data, profile data, and media data 19499 mInstaller.destroyUserData(volumeUuid, userId, flags); 19500 19501 // Clean up system data 19502 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19503 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19504 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19505 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19506 } 19507 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19508 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19509 } 19510 } 19511 19512 // Data with special labels is now gone, so finish the job 19513 storage.destroyUserStorage(volumeUuid, userId, flags); 19514 19515 } catch (Exception e) { 19516 logCriticalInfo(Log.WARN, 19517 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19518 } 19519 } 19520 19521 /** 19522 * Examine all users present on given mounted volume, and destroy data 19523 * belonging to users that are no longer valid, or whose user ID has been 19524 * recycled. 19525 */ 19526 private void reconcileUsers(String volumeUuid) { 19527 final List<File> files = new ArrayList<>(); 19528 Collections.addAll(files, FileUtils 19529 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19530 Collections.addAll(files, FileUtils 19531 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19532 Collections.addAll(files, FileUtils 19533 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19534 Collections.addAll(files, FileUtils 19535 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19536 for (File file : files) { 19537 if (!file.isDirectory()) continue; 19538 19539 final int userId; 19540 final UserInfo info; 19541 try { 19542 userId = Integer.parseInt(file.getName()); 19543 info = sUserManager.getUserInfo(userId); 19544 } catch (NumberFormatException e) { 19545 Slog.w(TAG, "Invalid user directory " + file); 19546 continue; 19547 } 19548 19549 boolean destroyUser = false; 19550 if (info == null) { 19551 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19552 + " because no matching user was found"); 19553 destroyUser = true; 19554 } else if (!mOnlyCore) { 19555 try { 19556 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19557 } catch (IOException e) { 19558 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19559 + " because we failed to enforce serial number: " + e); 19560 destroyUser = true; 19561 } 19562 } 19563 19564 if (destroyUser) { 19565 synchronized (mInstallLock) { 19566 destroyUserDataLI(volumeUuid, userId, 19567 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19568 } 19569 } 19570 } 19571 } 19572 19573 private void assertPackageKnown(String volumeUuid, String packageName) 19574 throws PackageManagerException { 19575 synchronized (mPackages) { 19576 final PackageSetting ps = mSettings.mPackages.get(packageName); 19577 if (ps == null) { 19578 throw new PackageManagerException("Package " + packageName + " is unknown"); 19579 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19580 throw new PackageManagerException( 19581 "Package " + packageName + " found on unknown volume " + volumeUuid 19582 + "; expected volume " + ps.volumeUuid); 19583 } 19584 } 19585 } 19586 19587 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19588 throws PackageManagerException { 19589 synchronized (mPackages) { 19590 final PackageSetting ps = mSettings.mPackages.get(packageName); 19591 if (ps == null) { 19592 throw new PackageManagerException("Package " + packageName + " is unknown"); 19593 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19594 throw new PackageManagerException( 19595 "Package " + packageName + " found on unknown volume " + volumeUuid 19596 + "; expected volume " + ps.volumeUuid); 19597 } else if (!ps.getInstalled(userId)) { 19598 throw new PackageManagerException( 19599 "Package " + packageName + " not installed for user " + userId); 19600 } 19601 } 19602 } 19603 19604 /** 19605 * Examine all apps present on given mounted volume, and destroy apps that 19606 * aren't expected, either due to uninstallation or reinstallation on 19607 * another volume. 19608 */ 19609 private void reconcileApps(String volumeUuid) { 19610 final File[] files = FileUtils 19611 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19612 for (File file : files) { 19613 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19614 && !PackageInstallerService.isStageName(file.getName()); 19615 if (!isPackage) { 19616 // Ignore entries which are not packages 19617 continue; 19618 } 19619 19620 try { 19621 final PackageLite pkg = PackageParser.parsePackageLite(file, 19622 PackageParser.PARSE_MUST_BE_APK); 19623 assertPackageKnown(volumeUuid, pkg.packageName); 19624 19625 } catch (PackageParserException | PackageManagerException e) { 19626 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19627 synchronized (mInstallLock) { 19628 removeCodePathLI(file); 19629 } 19630 } 19631 } 19632 } 19633 19634 /** 19635 * Reconcile all app data for the given user. 19636 * <p> 19637 * Verifies that directories exist and that ownership and labeling is 19638 * correct for all installed apps on all mounted volumes. 19639 */ 19640 void reconcileAppsData(int userId, int flags) { 19641 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19642 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19643 final String volumeUuid = vol.getFsUuid(); 19644 synchronized (mInstallLock) { 19645 reconcileAppsDataLI(volumeUuid, userId, flags); 19646 } 19647 } 19648 } 19649 19650 /** 19651 * Reconcile all app data on given mounted volume. 19652 * <p> 19653 * Destroys app data that isn't expected, either due to uninstallation or 19654 * reinstallation on another volume. 19655 * <p> 19656 * Verifies that directories exist and that ownership and labeling is 19657 * correct for all installed apps. 19658 */ 19659 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19660 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19661 + Integer.toHexString(flags)); 19662 19663 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19664 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19665 19666 boolean restoreconNeeded = false; 19667 19668 // First look for stale data that doesn't belong, and check if things 19669 // have changed since we did our last restorecon 19670 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19671 if (StorageManager.isFileEncryptedNativeOrEmulated() 19672 && !StorageManager.isUserKeyUnlocked(userId)) { 19673 throw new RuntimeException( 19674 "Yikes, someone asked us to reconcile CE storage while " + userId 19675 + " was still locked; this would have caused massive data loss!"); 19676 } 19677 19678 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19679 19680 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19681 for (File file : files) { 19682 final String packageName = file.getName(); 19683 try { 19684 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19685 } catch (PackageManagerException e) { 19686 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19687 try { 19688 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19689 StorageManager.FLAG_STORAGE_CE, 0); 19690 } catch (InstallerException e2) { 19691 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19692 } 19693 } 19694 } 19695 } 19696 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19697 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19698 19699 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19700 for (File file : files) { 19701 final String packageName = file.getName(); 19702 try { 19703 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19704 } catch (PackageManagerException e) { 19705 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19706 try { 19707 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19708 StorageManager.FLAG_STORAGE_DE, 0); 19709 } catch (InstallerException e2) { 19710 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19711 } 19712 } 19713 } 19714 } 19715 19716 // Ensure that data directories are ready to roll for all packages 19717 // installed for this volume and user 19718 final List<PackageSetting> packages; 19719 synchronized (mPackages) { 19720 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19721 } 19722 int preparedCount = 0; 19723 for (PackageSetting ps : packages) { 19724 final String packageName = ps.name; 19725 if (ps.pkg == null) { 19726 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19727 // TODO: might be due to legacy ASEC apps; we should circle back 19728 // and reconcile again once they're scanned 19729 continue; 19730 } 19731 19732 if (ps.getInstalled(userId)) { 19733 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19734 19735 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19736 // We may have just shuffled around app data directories, so 19737 // prepare them one more time 19738 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19739 } 19740 19741 preparedCount++; 19742 } 19743 } 19744 19745 if (restoreconNeeded) { 19746 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19747 SELinuxMMAC.setRestoreconDone(ceDir); 19748 } 19749 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19750 SELinuxMMAC.setRestoreconDone(deDir); 19751 } 19752 } 19753 19754 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19755 + " packages; restoreconNeeded was " + restoreconNeeded); 19756 } 19757 19758 /** 19759 * Prepare app data for the given app just after it was installed or 19760 * upgraded. This method carefully only touches users that it's installed 19761 * for, and it forces a restorecon to handle any seinfo changes. 19762 * <p> 19763 * Verifies that directories exist and that ownership and labeling is 19764 * correct for all installed apps. If there is an ownership mismatch, it 19765 * will try recovering system apps by wiping data; third-party app data is 19766 * left intact. 19767 * <p> 19768 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19769 */ 19770 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19771 final PackageSetting ps; 19772 synchronized (mPackages) { 19773 ps = mSettings.mPackages.get(pkg.packageName); 19774 mSettings.writeKernelMappingLPr(ps); 19775 } 19776 19777 final UserManager um = mContext.getSystemService(UserManager.class); 19778 UserManagerInternal umInternal = getUserManagerInternal(); 19779 for (UserInfo user : um.getUsers()) { 19780 final int flags; 19781 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19782 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19783 } else if (umInternal.isUserRunning(user.id)) { 19784 flags = StorageManager.FLAG_STORAGE_DE; 19785 } else { 19786 continue; 19787 } 19788 19789 if (ps.getInstalled(user.id)) { 19790 // Whenever an app changes, force a restorecon of its data 19791 // TODO: when user data is locked, mark that we're still dirty 19792 prepareAppDataLIF(pkg, user.id, flags, true); 19793 } 19794 } 19795 } 19796 19797 /** 19798 * Prepare app data for the given app. 19799 * <p> 19800 * Verifies that directories exist and that ownership and labeling is 19801 * correct for all installed apps. If there is an ownership mismatch, this 19802 * will try recovering system apps by wiping data; third-party app data is 19803 * left intact. 19804 */ 19805 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19806 boolean restoreconNeeded) { 19807 if (pkg == null) { 19808 Slog.wtf(TAG, "Package was null!", new Throwable()); 19809 return; 19810 } 19811 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19812 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19813 for (int i = 0; i < childCount; i++) { 19814 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19815 } 19816 } 19817 19818 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19819 boolean restoreconNeeded) { 19820 if (DEBUG_APP_DATA) { 19821 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19822 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19823 } 19824 19825 final String volumeUuid = pkg.volumeUuid; 19826 final String packageName = pkg.packageName; 19827 final ApplicationInfo app = pkg.applicationInfo; 19828 final int appId = UserHandle.getAppId(app.uid); 19829 19830 Preconditions.checkNotNull(app.seinfo); 19831 19832 try { 19833 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19834 appId, app.seinfo, app.targetSdkVersion); 19835 } catch (InstallerException e) { 19836 if (app.isSystemApp()) { 19837 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19838 + ", but trying to recover: " + e); 19839 destroyAppDataLeafLIF(pkg, userId, flags); 19840 try { 19841 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19842 appId, app.seinfo, app.targetSdkVersion); 19843 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19844 } catch (InstallerException e2) { 19845 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19846 } 19847 } else { 19848 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19849 } 19850 } 19851 19852 if (restoreconNeeded) { 19853 try { 19854 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19855 app.seinfo); 19856 } catch (InstallerException e) { 19857 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19858 } 19859 } 19860 19861 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19862 try { 19863 // CE storage is unlocked right now, so read out the inode and 19864 // remember for use later when it's locked 19865 // TODO: mark this structure as dirty so we persist it! 19866 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19867 StorageManager.FLAG_STORAGE_CE); 19868 synchronized (mPackages) { 19869 final PackageSetting ps = mSettings.mPackages.get(packageName); 19870 if (ps != null) { 19871 ps.setCeDataInode(ceDataInode, userId); 19872 } 19873 } 19874 } catch (InstallerException e) { 19875 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19876 } 19877 } 19878 19879 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19880 } 19881 19882 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19883 if (pkg == null) { 19884 Slog.wtf(TAG, "Package was null!", new Throwable()); 19885 return; 19886 } 19887 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19888 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19889 for (int i = 0; i < childCount; i++) { 19890 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19891 } 19892 } 19893 19894 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19895 final String volumeUuid = pkg.volumeUuid; 19896 final String packageName = pkg.packageName; 19897 final ApplicationInfo app = pkg.applicationInfo; 19898 19899 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19900 // Create a native library symlink only if we have native libraries 19901 // and if the native libraries are 32 bit libraries. We do not provide 19902 // this symlink for 64 bit libraries. 19903 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19904 final String nativeLibPath = app.nativeLibraryDir; 19905 try { 19906 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19907 nativeLibPath, userId); 19908 } catch (InstallerException e) { 19909 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19910 } 19911 } 19912 } 19913 } 19914 19915 /** 19916 * For system apps on non-FBE devices, this method migrates any existing 19917 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19918 * requested by the app. 19919 */ 19920 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19921 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19922 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19923 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19924 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19925 try { 19926 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19927 storageTarget); 19928 } catch (InstallerException e) { 19929 logCriticalInfo(Log.WARN, 19930 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19931 } 19932 return true; 19933 } else { 19934 return false; 19935 } 19936 } 19937 19938 public PackageFreezer freezePackage(String packageName, String killReason) { 19939 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19940 } 19941 19942 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19943 return new PackageFreezer(packageName, userId, killReason); 19944 } 19945 19946 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19947 String killReason) { 19948 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19949 } 19950 19951 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19952 String killReason) { 19953 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19954 return new PackageFreezer(); 19955 } else { 19956 return freezePackage(packageName, userId, killReason); 19957 } 19958 } 19959 19960 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19961 String killReason) { 19962 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19963 } 19964 19965 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19966 String killReason) { 19967 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19968 return new PackageFreezer(); 19969 } else { 19970 return freezePackage(packageName, userId, killReason); 19971 } 19972 } 19973 19974 /** 19975 * Class that freezes and kills the given package upon creation, and 19976 * unfreezes it upon closing. This is typically used when doing surgery on 19977 * app code/data to prevent the app from running while you're working. 19978 */ 19979 private class PackageFreezer implements AutoCloseable { 19980 private final String mPackageName; 19981 private final PackageFreezer[] mChildren; 19982 19983 private final boolean mWeFroze; 19984 19985 private final AtomicBoolean mClosed = new AtomicBoolean(); 19986 private final CloseGuard mCloseGuard = CloseGuard.get(); 19987 19988 /** 19989 * Create and return a stub freezer that doesn't actually do anything, 19990 * typically used when someone requested 19991 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19992 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19993 */ 19994 public PackageFreezer() { 19995 mPackageName = null; 19996 mChildren = null; 19997 mWeFroze = false; 19998 mCloseGuard.open("close"); 19999 } 20000 20001 public PackageFreezer(String packageName, int userId, String killReason) { 20002 synchronized (mPackages) { 20003 mPackageName = packageName; 20004 mWeFroze = mFrozenPackages.add(mPackageName); 20005 20006 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20007 if (ps != null) { 20008 killApplication(ps.name, ps.appId, userId, killReason); 20009 } 20010 20011 final PackageParser.Package p = mPackages.get(packageName); 20012 if (p != null && p.childPackages != null) { 20013 final int N = p.childPackages.size(); 20014 mChildren = new PackageFreezer[N]; 20015 for (int i = 0; i < N; i++) { 20016 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20017 userId, killReason); 20018 } 20019 } else { 20020 mChildren = null; 20021 } 20022 } 20023 mCloseGuard.open("close"); 20024 } 20025 20026 @Override 20027 protected void finalize() throws Throwable { 20028 try { 20029 mCloseGuard.warnIfOpen(); 20030 close(); 20031 } finally { 20032 super.finalize(); 20033 } 20034 } 20035 20036 @Override 20037 public void close() { 20038 mCloseGuard.close(); 20039 if (mClosed.compareAndSet(false, true)) { 20040 synchronized (mPackages) { 20041 if (mWeFroze) { 20042 mFrozenPackages.remove(mPackageName); 20043 } 20044 20045 if (mChildren != null) { 20046 for (PackageFreezer freezer : mChildren) { 20047 freezer.close(); 20048 } 20049 } 20050 } 20051 } 20052 } 20053 } 20054 20055 /** 20056 * Verify that given package is currently frozen. 20057 */ 20058 private void checkPackageFrozen(String packageName) { 20059 synchronized (mPackages) { 20060 if (!mFrozenPackages.contains(packageName)) { 20061 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20062 } 20063 } 20064 } 20065 20066 @Override 20067 public int movePackage(final String packageName, final String volumeUuid) { 20068 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20069 20070 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20071 final int moveId = mNextMoveId.getAndIncrement(); 20072 mHandler.post(new Runnable() { 20073 @Override 20074 public void run() { 20075 try { 20076 movePackageInternal(packageName, volumeUuid, moveId, user); 20077 } catch (PackageManagerException e) { 20078 Slog.w(TAG, "Failed to move " + packageName, e); 20079 mMoveCallbacks.notifyStatusChanged(moveId, 20080 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20081 } 20082 } 20083 }); 20084 return moveId; 20085 } 20086 20087 private void movePackageInternal(final String packageName, final String volumeUuid, 20088 final int moveId, UserHandle user) throws PackageManagerException { 20089 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20090 final PackageManager pm = mContext.getPackageManager(); 20091 20092 final boolean currentAsec; 20093 final String currentVolumeUuid; 20094 final File codeFile; 20095 final String installerPackageName; 20096 final String packageAbiOverride; 20097 final int appId; 20098 final String seinfo; 20099 final String label; 20100 final int targetSdkVersion; 20101 final PackageFreezer freezer; 20102 final int[] installedUserIds; 20103 20104 // reader 20105 synchronized (mPackages) { 20106 final PackageParser.Package pkg = mPackages.get(packageName); 20107 final PackageSetting ps = mSettings.mPackages.get(packageName); 20108 if (pkg == null || ps == null) { 20109 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20110 } 20111 20112 if (pkg.applicationInfo.isSystemApp()) { 20113 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20114 "Cannot move system application"); 20115 } 20116 20117 if (pkg.applicationInfo.isExternalAsec()) { 20118 currentAsec = true; 20119 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20120 } else if (pkg.applicationInfo.isForwardLocked()) { 20121 currentAsec = true; 20122 currentVolumeUuid = "forward_locked"; 20123 } else { 20124 currentAsec = false; 20125 currentVolumeUuid = ps.volumeUuid; 20126 20127 final File probe = new File(pkg.codePath); 20128 final File probeOat = new File(probe, "oat"); 20129 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20130 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20131 "Move only supported for modern cluster style installs"); 20132 } 20133 } 20134 20135 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20136 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20137 "Package already moved to " + volumeUuid); 20138 } 20139 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20140 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20141 "Device admin cannot be moved"); 20142 } 20143 20144 if (mFrozenPackages.contains(packageName)) { 20145 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20146 "Failed to move already frozen package"); 20147 } 20148 20149 codeFile = new File(pkg.codePath); 20150 installerPackageName = ps.installerPackageName; 20151 packageAbiOverride = ps.cpuAbiOverrideString; 20152 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20153 seinfo = pkg.applicationInfo.seinfo; 20154 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20155 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20156 freezer = freezePackage(packageName, "movePackageInternal"); 20157 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20158 } 20159 20160 final Bundle extras = new Bundle(); 20161 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20162 extras.putString(Intent.EXTRA_TITLE, label); 20163 mMoveCallbacks.notifyCreated(moveId, extras); 20164 20165 int installFlags; 20166 final boolean moveCompleteApp; 20167 final File measurePath; 20168 20169 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20170 installFlags = INSTALL_INTERNAL; 20171 moveCompleteApp = !currentAsec; 20172 measurePath = Environment.getDataAppDirectory(volumeUuid); 20173 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20174 installFlags = INSTALL_EXTERNAL; 20175 moveCompleteApp = false; 20176 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20177 } else { 20178 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20179 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20180 || !volume.isMountedWritable()) { 20181 freezer.close(); 20182 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20183 "Move location not mounted private volume"); 20184 } 20185 20186 Preconditions.checkState(!currentAsec); 20187 20188 installFlags = INSTALL_INTERNAL; 20189 moveCompleteApp = true; 20190 measurePath = Environment.getDataAppDirectory(volumeUuid); 20191 } 20192 20193 final PackageStats stats = new PackageStats(null, -1); 20194 synchronized (mInstaller) { 20195 for (int userId : installedUserIds) { 20196 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20197 freezer.close(); 20198 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20199 "Failed to measure package size"); 20200 } 20201 } 20202 } 20203 20204 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20205 + stats.dataSize); 20206 20207 final long startFreeBytes = measurePath.getFreeSpace(); 20208 final long sizeBytes; 20209 if (moveCompleteApp) { 20210 sizeBytes = stats.codeSize + stats.dataSize; 20211 } else { 20212 sizeBytes = stats.codeSize; 20213 } 20214 20215 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20216 freezer.close(); 20217 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20218 "Not enough free space to move"); 20219 } 20220 20221 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20222 20223 final CountDownLatch installedLatch = new CountDownLatch(1); 20224 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20225 @Override 20226 public void onUserActionRequired(Intent intent) throws RemoteException { 20227 throw new IllegalStateException(); 20228 } 20229 20230 @Override 20231 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20232 Bundle extras) throws RemoteException { 20233 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20234 + PackageManager.installStatusToString(returnCode, msg)); 20235 20236 installedLatch.countDown(); 20237 freezer.close(); 20238 20239 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20240 switch (status) { 20241 case PackageInstaller.STATUS_SUCCESS: 20242 mMoveCallbacks.notifyStatusChanged(moveId, 20243 PackageManager.MOVE_SUCCEEDED); 20244 break; 20245 case PackageInstaller.STATUS_FAILURE_STORAGE: 20246 mMoveCallbacks.notifyStatusChanged(moveId, 20247 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20248 break; 20249 default: 20250 mMoveCallbacks.notifyStatusChanged(moveId, 20251 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20252 break; 20253 } 20254 } 20255 }; 20256 20257 final MoveInfo move; 20258 if (moveCompleteApp) { 20259 // Kick off a thread to report progress estimates 20260 new Thread() { 20261 @Override 20262 public void run() { 20263 while (true) { 20264 try { 20265 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20266 break; 20267 } 20268 } catch (InterruptedException ignored) { 20269 } 20270 20271 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20272 final int progress = 10 + (int) MathUtils.constrain( 20273 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20274 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20275 } 20276 } 20277 }.start(); 20278 20279 final String dataAppName = codeFile.getName(); 20280 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20281 dataAppName, appId, seinfo, targetSdkVersion); 20282 } else { 20283 move = null; 20284 } 20285 20286 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20287 20288 final Message msg = mHandler.obtainMessage(INIT_COPY); 20289 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20290 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20291 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20292 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20293 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20294 msg.obj = params; 20295 20296 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20297 System.identityHashCode(msg.obj)); 20298 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20299 System.identityHashCode(msg.obj)); 20300 20301 mHandler.sendMessage(msg); 20302 } 20303 20304 @Override 20305 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20306 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20307 20308 final int realMoveId = mNextMoveId.getAndIncrement(); 20309 final Bundle extras = new Bundle(); 20310 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20311 mMoveCallbacks.notifyCreated(realMoveId, extras); 20312 20313 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20314 @Override 20315 public void onCreated(int moveId, Bundle extras) { 20316 // Ignored 20317 } 20318 20319 @Override 20320 public void onStatusChanged(int moveId, int status, long estMillis) { 20321 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20322 } 20323 }; 20324 20325 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20326 storage.setPrimaryStorageUuid(volumeUuid, callback); 20327 return realMoveId; 20328 } 20329 20330 @Override 20331 public int getMoveStatus(int moveId) { 20332 mContext.enforceCallingOrSelfPermission( 20333 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20334 return mMoveCallbacks.mLastStatus.get(moveId); 20335 } 20336 20337 @Override 20338 public void registerMoveCallback(IPackageMoveObserver callback) { 20339 mContext.enforceCallingOrSelfPermission( 20340 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20341 mMoveCallbacks.register(callback); 20342 } 20343 20344 @Override 20345 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20346 mContext.enforceCallingOrSelfPermission( 20347 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20348 mMoveCallbacks.unregister(callback); 20349 } 20350 20351 @Override 20352 public boolean setInstallLocation(int loc) { 20353 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20354 null); 20355 if (getInstallLocation() == loc) { 20356 return true; 20357 } 20358 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20359 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20360 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20361 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20362 return true; 20363 } 20364 return false; 20365 } 20366 20367 @Override 20368 public int getInstallLocation() { 20369 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20370 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20371 PackageHelper.APP_INSTALL_AUTO); 20372 } 20373 20374 /** Called by UserManagerService */ 20375 void cleanUpUser(UserManagerService userManager, int userHandle) { 20376 synchronized (mPackages) { 20377 mDirtyUsers.remove(userHandle); 20378 mUserNeedsBadging.delete(userHandle); 20379 mSettings.removeUserLPw(userHandle); 20380 mPendingBroadcasts.remove(userHandle); 20381 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20382 removeUnusedPackagesLPw(userManager, userHandle); 20383 } 20384 } 20385 20386 /** 20387 * We're removing userHandle and would like to remove any downloaded packages 20388 * that are no longer in use by any other user. 20389 * @param userHandle the user being removed 20390 */ 20391 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20392 final boolean DEBUG_CLEAN_APKS = false; 20393 int [] users = userManager.getUserIds(); 20394 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20395 while (psit.hasNext()) { 20396 PackageSetting ps = psit.next(); 20397 if (ps.pkg == null) { 20398 continue; 20399 } 20400 final String packageName = ps.pkg.packageName; 20401 // Skip over if system app 20402 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20403 continue; 20404 } 20405 if (DEBUG_CLEAN_APKS) { 20406 Slog.i(TAG, "Checking package " + packageName); 20407 } 20408 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20409 if (keep) { 20410 if (DEBUG_CLEAN_APKS) { 20411 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20412 } 20413 } else { 20414 for (int i = 0; i < users.length; i++) { 20415 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20416 keep = true; 20417 if (DEBUG_CLEAN_APKS) { 20418 Slog.i(TAG, " Keeping package " + packageName + " for user " 20419 + users[i]); 20420 } 20421 break; 20422 } 20423 } 20424 } 20425 if (!keep) { 20426 if (DEBUG_CLEAN_APKS) { 20427 Slog.i(TAG, " Removing package " + packageName); 20428 } 20429 mHandler.post(new Runnable() { 20430 public void run() { 20431 deletePackageX(packageName, userHandle, 0); 20432 } //end run 20433 }); 20434 } 20435 } 20436 } 20437 20438 /** Called by UserManagerService */ 20439 void createNewUser(int userId) { 20440 synchronized (mInstallLock) { 20441 mSettings.createNewUserLI(this, mInstaller, userId); 20442 } 20443 synchronized (mPackages) { 20444 scheduleWritePackageRestrictionsLocked(userId); 20445 scheduleWritePackageListLocked(userId); 20446 applyFactoryDefaultBrowserLPw(userId); 20447 primeDomainVerificationsLPw(userId); 20448 } 20449 } 20450 20451 void onBeforeUserStartUninitialized(final int userId) { 20452 synchronized (mPackages) { 20453 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20454 return; 20455 } 20456 } 20457 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20458 // If permission review for legacy apps is required, we represent 20459 // dagerous permissions for such apps as always granted runtime 20460 // permissions to keep per user flag state whether review is needed. 20461 // Hence, if a new user is added we have to propagate dangerous 20462 // permission grants for these legacy apps. 20463 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20464 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20465 | UPDATE_PERMISSIONS_REPLACE_ALL); 20466 } 20467 } 20468 20469 @Override 20470 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20471 mContext.enforceCallingOrSelfPermission( 20472 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20473 "Only package verification agents can read the verifier device identity"); 20474 20475 synchronized (mPackages) { 20476 return mSettings.getVerifierDeviceIdentityLPw(); 20477 } 20478 } 20479 20480 @Override 20481 public void setPermissionEnforced(String permission, boolean enforced) { 20482 // TODO: Now that we no longer change GID for storage, this should to away. 20483 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20484 "setPermissionEnforced"); 20485 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20486 synchronized (mPackages) { 20487 if (mSettings.mReadExternalStorageEnforced == null 20488 || mSettings.mReadExternalStorageEnforced != enforced) { 20489 mSettings.mReadExternalStorageEnforced = enforced; 20490 mSettings.writeLPr(); 20491 } 20492 } 20493 // kill any non-foreground processes so we restart them and 20494 // grant/revoke the GID. 20495 final IActivityManager am = ActivityManagerNative.getDefault(); 20496 if (am != null) { 20497 final long token = Binder.clearCallingIdentity(); 20498 try { 20499 am.killProcessesBelowForeground("setPermissionEnforcement"); 20500 } catch (RemoteException e) { 20501 } finally { 20502 Binder.restoreCallingIdentity(token); 20503 } 20504 } 20505 } else { 20506 throw new IllegalArgumentException("No selective enforcement for " + permission); 20507 } 20508 } 20509 20510 @Override 20511 @Deprecated 20512 public boolean isPermissionEnforced(String permission) { 20513 return true; 20514 } 20515 20516 @Override 20517 public boolean isStorageLow() { 20518 final long token = Binder.clearCallingIdentity(); 20519 try { 20520 final DeviceStorageMonitorInternal 20521 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20522 if (dsm != null) { 20523 return dsm.isMemoryLow(); 20524 } else { 20525 return false; 20526 } 20527 } finally { 20528 Binder.restoreCallingIdentity(token); 20529 } 20530 } 20531 20532 @Override 20533 public IPackageInstaller getPackageInstaller() { 20534 return mInstallerService; 20535 } 20536 20537 private boolean userNeedsBadging(int userId) { 20538 int index = mUserNeedsBadging.indexOfKey(userId); 20539 if (index < 0) { 20540 final UserInfo userInfo; 20541 final long token = Binder.clearCallingIdentity(); 20542 try { 20543 userInfo = sUserManager.getUserInfo(userId); 20544 } finally { 20545 Binder.restoreCallingIdentity(token); 20546 } 20547 final boolean b; 20548 if (userInfo != null && userInfo.isManagedProfile()) { 20549 b = true; 20550 } else { 20551 b = false; 20552 } 20553 mUserNeedsBadging.put(userId, b); 20554 return b; 20555 } 20556 return mUserNeedsBadging.valueAt(index); 20557 } 20558 20559 @Override 20560 public KeySet getKeySetByAlias(String packageName, String alias) { 20561 if (packageName == null || alias == null) { 20562 return null; 20563 } 20564 synchronized(mPackages) { 20565 final PackageParser.Package pkg = mPackages.get(packageName); 20566 if (pkg == null) { 20567 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20568 throw new IllegalArgumentException("Unknown package: " + packageName); 20569 } 20570 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20571 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20572 } 20573 } 20574 20575 @Override 20576 public KeySet getSigningKeySet(String packageName) { 20577 if (packageName == null) { 20578 return null; 20579 } 20580 synchronized(mPackages) { 20581 final PackageParser.Package pkg = mPackages.get(packageName); 20582 if (pkg == null) { 20583 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20584 throw new IllegalArgumentException("Unknown package: " + packageName); 20585 } 20586 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20587 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20588 throw new SecurityException("May not access signing KeySet of other apps."); 20589 } 20590 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20591 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20592 } 20593 } 20594 20595 @Override 20596 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20597 if (packageName == null || ks == null) { 20598 return false; 20599 } 20600 synchronized(mPackages) { 20601 final PackageParser.Package pkg = mPackages.get(packageName); 20602 if (pkg == null) { 20603 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20604 throw new IllegalArgumentException("Unknown package: " + packageName); 20605 } 20606 IBinder ksh = ks.getToken(); 20607 if (ksh instanceof KeySetHandle) { 20608 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20609 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20610 } 20611 return false; 20612 } 20613 } 20614 20615 @Override 20616 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20617 if (packageName == null || ks == null) { 20618 return false; 20619 } 20620 synchronized(mPackages) { 20621 final PackageParser.Package pkg = mPackages.get(packageName); 20622 if (pkg == null) { 20623 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20624 throw new IllegalArgumentException("Unknown package: " + packageName); 20625 } 20626 IBinder ksh = ks.getToken(); 20627 if (ksh instanceof KeySetHandle) { 20628 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20629 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20630 } 20631 return false; 20632 } 20633 } 20634 20635 private void deletePackageIfUnusedLPr(final String packageName) { 20636 PackageSetting ps = mSettings.mPackages.get(packageName); 20637 if (ps == null) { 20638 return; 20639 } 20640 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20641 // TODO Implement atomic delete if package is unused 20642 // It is currently possible that the package will be deleted even if it is installed 20643 // after this method returns. 20644 mHandler.post(new Runnable() { 20645 public void run() { 20646 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20647 } 20648 }); 20649 } 20650 } 20651 20652 /** 20653 * Check and throw if the given before/after packages would be considered a 20654 * downgrade. 20655 */ 20656 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20657 throws PackageManagerException { 20658 if (after.versionCode < before.mVersionCode) { 20659 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20660 "Update version code " + after.versionCode + " is older than current " 20661 + before.mVersionCode); 20662 } else if (after.versionCode == before.mVersionCode) { 20663 if (after.baseRevisionCode < before.baseRevisionCode) { 20664 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20665 "Update base revision code " + after.baseRevisionCode 20666 + " is older than current " + before.baseRevisionCode); 20667 } 20668 20669 if (!ArrayUtils.isEmpty(after.splitNames)) { 20670 for (int i = 0; i < after.splitNames.length; i++) { 20671 final String splitName = after.splitNames[i]; 20672 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20673 if (j != -1) { 20674 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20675 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20676 "Update split " + splitName + " revision code " 20677 + after.splitRevisionCodes[i] + " is older than current " 20678 + before.splitRevisionCodes[j]); 20679 } 20680 } 20681 } 20682 } 20683 } 20684 } 20685 20686 private static class MoveCallbacks extends Handler { 20687 private static final int MSG_CREATED = 1; 20688 private static final int MSG_STATUS_CHANGED = 2; 20689 20690 private final RemoteCallbackList<IPackageMoveObserver> 20691 mCallbacks = new RemoteCallbackList<>(); 20692 20693 private final SparseIntArray mLastStatus = new SparseIntArray(); 20694 20695 public MoveCallbacks(Looper looper) { 20696 super(looper); 20697 } 20698 20699 public void register(IPackageMoveObserver callback) { 20700 mCallbacks.register(callback); 20701 } 20702 20703 public void unregister(IPackageMoveObserver callback) { 20704 mCallbacks.unregister(callback); 20705 } 20706 20707 @Override 20708 public void handleMessage(Message msg) { 20709 final SomeArgs args = (SomeArgs) msg.obj; 20710 final int n = mCallbacks.beginBroadcast(); 20711 for (int i = 0; i < n; i++) { 20712 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20713 try { 20714 invokeCallback(callback, msg.what, args); 20715 } catch (RemoteException ignored) { 20716 } 20717 } 20718 mCallbacks.finishBroadcast(); 20719 args.recycle(); 20720 } 20721 20722 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20723 throws RemoteException { 20724 switch (what) { 20725 case MSG_CREATED: { 20726 callback.onCreated(args.argi1, (Bundle) args.arg2); 20727 break; 20728 } 20729 case MSG_STATUS_CHANGED: { 20730 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20731 break; 20732 } 20733 } 20734 } 20735 20736 private void notifyCreated(int moveId, Bundle extras) { 20737 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20738 20739 final SomeArgs args = SomeArgs.obtain(); 20740 args.argi1 = moveId; 20741 args.arg2 = extras; 20742 obtainMessage(MSG_CREATED, args).sendToTarget(); 20743 } 20744 20745 private void notifyStatusChanged(int moveId, int status) { 20746 notifyStatusChanged(moveId, status, -1); 20747 } 20748 20749 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20750 Slog.v(TAG, "Move " + moveId + " status " + status); 20751 20752 final SomeArgs args = SomeArgs.obtain(); 20753 args.argi1 = moveId; 20754 args.argi2 = status; 20755 args.arg3 = estMillis; 20756 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20757 20758 synchronized (mLastStatus) { 20759 mLastStatus.put(moveId, status); 20760 } 20761 } 20762 } 20763 20764 private final static class OnPermissionChangeListeners extends Handler { 20765 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20766 20767 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20768 new RemoteCallbackList<>(); 20769 20770 public OnPermissionChangeListeners(Looper looper) { 20771 super(looper); 20772 } 20773 20774 @Override 20775 public void handleMessage(Message msg) { 20776 switch (msg.what) { 20777 case MSG_ON_PERMISSIONS_CHANGED: { 20778 final int uid = msg.arg1; 20779 handleOnPermissionsChanged(uid); 20780 } break; 20781 } 20782 } 20783 20784 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20785 mPermissionListeners.register(listener); 20786 20787 } 20788 20789 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20790 mPermissionListeners.unregister(listener); 20791 } 20792 20793 public void onPermissionsChanged(int uid) { 20794 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20795 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20796 } 20797 } 20798 20799 private void handleOnPermissionsChanged(int uid) { 20800 final int count = mPermissionListeners.beginBroadcast(); 20801 try { 20802 for (int i = 0; i < count; i++) { 20803 IOnPermissionsChangeListener callback = mPermissionListeners 20804 .getBroadcastItem(i); 20805 try { 20806 callback.onPermissionsChanged(uid); 20807 } catch (RemoteException e) { 20808 Log.e(TAG, "Permission listener is dead", e); 20809 } 20810 } 20811 } finally { 20812 mPermissionListeners.finishBroadcast(); 20813 } 20814 } 20815 } 20816 20817 private class PackageManagerInternalImpl extends PackageManagerInternal { 20818 @Override 20819 public void setLocationPackagesProvider(PackagesProvider provider) { 20820 synchronized (mPackages) { 20821 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20822 } 20823 } 20824 20825 @Override 20826 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20827 synchronized (mPackages) { 20828 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20829 } 20830 } 20831 20832 @Override 20833 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20834 synchronized (mPackages) { 20835 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20836 } 20837 } 20838 20839 @Override 20840 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20841 synchronized (mPackages) { 20842 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20843 } 20844 } 20845 20846 @Override 20847 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20848 synchronized (mPackages) { 20849 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20850 } 20851 } 20852 20853 @Override 20854 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20855 synchronized (mPackages) { 20856 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20857 } 20858 } 20859 20860 @Override 20861 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20862 synchronized (mPackages) { 20863 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20864 packageName, userId); 20865 } 20866 } 20867 20868 @Override 20869 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20870 synchronized (mPackages) { 20871 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20872 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20873 packageName, userId); 20874 } 20875 } 20876 20877 @Override 20878 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20879 synchronized (mPackages) { 20880 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20881 packageName, userId); 20882 } 20883 } 20884 20885 @Override 20886 public void setKeepUninstalledPackages(final List<String> packageList) { 20887 Preconditions.checkNotNull(packageList); 20888 List<String> removedFromList = null; 20889 synchronized (mPackages) { 20890 if (mKeepUninstalledPackages != null) { 20891 final int packagesCount = mKeepUninstalledPackages.size(); 20892 for (int i = 0; i < packagesCount; i++) { 20893 String oldPackage = mKeepUninstalledPackages.get(i); 20894 if (packageList != null && packageList.contains(oldPackage)) { 20895 continue; 20896 } 20897 if (removedFromList == null) { 20898 removedFromList = new ArrayList<>(); 20899 } 20900 removedFromList.add(oldPackage); 20901 } 20902 } 20903 mKeepUninstalledPackages = new ArrayList<>(packageList); 20904 if (removedFromList != null) { 20905 final int removedCount = removedFromList.size(); 20906 for (int i = 0; i < removedCount; i++) { 20907 deletePackageIfUnusedLPr(removedFromList.get(i)); 20908 } 20909 } 20910 } 20911 } 20912 20913 @Override 20914 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20915 synchronized (mPackages) { 20916 // If we do not support permission review, done. 20917 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20918 return false; 20919 } 20920 20921 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20922 if (packageSetting == null) { 20923 return false; 20924 } 20925 20926 // Permission review applies only to apps not supporting the new permission model. 20927 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20928 return false; 20929 } 20930 20931 // Legacy apps have the permission and get user consent on launch. 20932 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20933 return permissionsState.isPermissionReviewRequired(userId); 20934 } 20935 } 20936 20937 @Override 20938 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20939 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20940 } 20941 20942 @Override 20943 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20944 int userId) { 20945 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20946 } 20947 20948 @Override 20949 public void setDeviceAndProfileOwnerPackages( 20950 int deviceOwnerUserId, String deviceOwnerPackage, 20951 SparseArray<String> profileOwnerPackages) { 20952 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20953 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20954 } 20955 20956 @Override 20957 public boolean isPackageDataProtected(int userId, String packageName) { 20958 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20959 } 20960 } 20961 20962 @Override 20963 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20964 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20965 synchronized (mPackages) { 20966 final long identity = Binder.clearCallingIdentity(); 20967 try { 20968 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20969 packageNames, userId); 20970 } finally { 20971 Binder.restoreCallingIdentity(identity); 20972 } 20973 } 20974 } 20975 20976 private static void enforceSystemOrPhoneCaller(String tag) { 20977 int callingUid = Binder.getCallingUid(); 20978 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20979 throw new SecurityException( 20980 "Cannot call " + tag + " from UID " + callingUid); 20981 } 20982 } 20983 20984 boolean isHistoricalPackageUsageAvailable() { 20985 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20986 } 20987 20988 /** 20989 * Return a <b>copy</b> of the collection of packages known to the package manager. 20990 * @return A copy of the values of mPackages. 20991 */ 20992 Collection<PackageParser.Package> getPackages() { 20993 synchronized (mPackages) { 20994 return new ArrayList<>(mPackages.values()); 20995 } 20996 } 20997 20998 /** 20999 * Logs process start information (including base APK hash) to the security log. 21000 * @hide 21001 */ 21002 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21003 String apkFile, int pid) { 21004 if (!SecurityLog.isLoggingEnabled()) { 21005 return; 21006 } 21007 Bundle data = new Bundle(); 21008 data.putLong("startTimestamp", System.currentTimeMillis()); 21009 data.putString("processName", processName); 21010 data.putInt("uid", uid); 21011 data.putString("seinfo", seinfo); 21012 data.putString("apkFile", apkFile); 21013 data.putInt("pid", pid); 21014 Message msg = mProcessLoggingHandler.obtainMessage( 21015 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21016 msg.setData(data); 21017 mProcessLoggingHandler.sendMessage(msg); 21018 } 21019} 21020