PackageManagerService.java revision b45d9833aa3e8bbfdb819c7bcd104c95c8424f05
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.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.admin.DevicePolicyManagerInternal; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.INetworkPolicyManager; 168import android.net.Uri; 169import android.os.Binder; 170import android.os.Build; 171import android.os.Bundle; 172import android.os.Debug; 173import android.os.Environment; 174import android.os.Environment.UserEnvironment; 175import android.os.FileUtils; 176import android.os.Handler; 177import android.os.IBinder; 178import android.os.Looper; 179import android.os.Message; 180import android.os.Parcel; 181import android.os.ParcelFileDescriptor; 182import android.os.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.UserManagerInternal; 194import android.os.storage.IMountService; 195import android.os.storage.MountServiceInternal; 196import android.os.storage.StorageEventListener; 197import android.os.storage.StorageManager; 198import android.os.storage.VolumeInfo; 199import android.os.storage.VolumeRecord; 200import android.security.KeyStore; 201import android.security.SystemKeyStore; 202import android.system.ErrnoException; 203import android.system.Os; 204import android.text.TextUtils; 205import android.text.format.DateUtils; 206import android.util.ArrayMap; 207import android.util.ArraySet; 208import android.util.AtomicFile; 209import android.util.DisplayMetrics; 210import android.util.EventLog; 211import android.util.ExceptionUtils; 212import android.util.Log; 213import android.util.LogPrinter; 214import android.util.MathUtils; 215import android.util.PrintStreamPrinter; 216import android.util.Slog; 217import android.util.SparseArray; 218import android.util.SparseBooleanArray; 219import android.util.SparseIntArray; 220import android.util.Xml; 221import android.util.jar.StrictJarFile; 222import android.view.Display; 223 224import com.android.internal.R; 225import com.android.internal.annotations.GuardedBy; 226import com.android.internal.app.IMediaContainerService; 227import com.android.internal.app.ResolverActivity; 228import com.android.internal.content.NativeLibraryHelper; 229import com.android.internal.content.PackageHelper; 230import com.android.internal.logging.MetricsLogger; 231import com.android.internal.os.IParcelFileDescriptorFactory; 232import com.android.internal.os.InstallerConnection.InstallerException; 233import com.android.internal.os.SomeArgs; 234import com.android.internal.os.Zygote; 235import com.android.internal.telephony.CarrierAppUtils; 236import com.android.internal.util.ArrayUtils; 237import com.android.internal.util.FastPrintWriter; 238import com.android.internal.util.FastXmlSerializer; 239import com.android.internal.util.IndentingPrintWriter; 240import com.android.internal.util.Preconditions; 241import com.android.internal.util.XmlUtils; 242import com.android.server.EventLogTags; 243import com.android.server.FgThread; 244import com.android.server.IntentResolver; 245import com.android.server.LocalServices; 246import com.android.server.ServiceThread; 247import com.android.server.SystemConfig; 248import com.android.server.Watchdog; 249import com.android.server.net.NetworkPolicyManagerInternal; 250import com.android.server.pm.PermissionsState.PermissionState; 251import com.android.server.pm.Settings.DatabaseVersion; 252import com.android.server.pm.Settings.VersionInfo; 253import com.android.server.storage.DeviceStorageMonitorInternal; 254 255import dalvik.system.CloseGuard; 256import dalvik.system.DexFile; 257import dalvik.system.VMRuntime; 258 259import libcore.io.IoUtils; 260import libcore.util.EmptyArray; 261 262import org.xmlpull.v1.XmlPullParser; 263import org.xmlpull.v1.XmlPullParserException; 264import org.xmlpull.v1.XmlSerializer; 265 266import java.io.BufferedInputStream; 267import java.io.BufferedOutputStream; 268import java.io.BufferedReader; 269import java.io.ByteArrayInputStream; 270import java.io.ByteArrayOutputStream; 271import java.io.File; 272import java.io.FileDescriptor; 273import java.io.FileInputStream; 274import java.io.FileNotFoundException; 275import java.io.FileOutputStream; 276import java.io.FileReader; 277import java.io.FilenameFilter; 278import java.io.IOException; 279import java.io.InputStream; 280import java.io.PrintWriter; 281import java.nio.charset.StandardCharsets; 282import java.security.DigestInputStream; 283import java.security.MessageDigest; 284import java.security.NoSuchAlgorithmException; 285import java.security.PublicKey; 286import java.security.cert.Certificate; 287import java.security.cert.CertificateEncodingException; 288import java.security.cert.CertificateException; 289import java.text.SimpleDateFormat; 290import java.util.ArrayList; 291import java.util.Arrays; 292import java.util.Collection; 293import java.util.Collections; 294import java.util.Comparator; 295import java.util.Date; 296import java.util.HashSet; 297import java.util.Iterator; 298import java.util.List; 299import java.util.Map; 300import java.util.Objects; 301import java.util.Set; 302import java.util.concurrent.CountDownLatch; 303import java.util.concurrent.TimeUnit; 304import java.util.concurrent.atomic.AtomicBoolean; 305import java.util.concurrent.atomic.AtomicInteger; 306import java.util.concurrent.atomic.AtomicLong; 307 308/** 309 * Keep track of all those APKs everywhere. 310 * <p> 311 * Internally there are two important locks: 312 * <ul> 313 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 314 * and other related state. It is a fine-grained lock that should only be held 315 * momentarily, as it's one of the most contended locks in the system. 316 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 317 * operations typically involve heavy lifting of application data on disk. Since 318 * {@code installd} is single-threaded, and it's operations can often be slow, 319 * this lock should never be acquired while already holding {@link #mPackages}. 320 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 321 * holding {@link #mInstallLock}. 322 * </ul> 323 * Many internal methods rely on the caller to hold the appropriate locks, and 324 * this contract is expressed through method name suffixes: 325 * <ul> 326 * <li>fooLI(): the caller must hold {@link #mInstallLock} 327 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 328 * being modified must be frozen 329 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 330 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 331 * </ul> 332 * <p> 333 * Because this class is very central to the platform's security; please run all 334 * CTS and unit tests whenever making modifications: 335 * 336 * <pre> 337 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 338 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 339 * </pre> 340 */ 341public class PackageManagerService extends IPackageManager.Stub { 342 static final String TAG = "PackageManager"; 343 static final boolean DEBUG_SETTINGS = false; 344 static final boolean DEBUG_PREFERRED = false; 345 static final boolean DEBUG_UPGRADE = false; 346 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 347 private static final boolean DEBUG_BACKUP = false; 348 private static final boolean DEBUG_INSTALL = false; 349 private static final boolean DEBUG_REMOVE = false; 350 private static final boolean DEBUG_BROADCASTS = false; 351 private static final boolean DEBUG_SHOW_INFO = false; 352 private static final boolean DEBUG_PACKAGE_INFO = false; 353 private static final boolean DEBUG_INTENT_MATCHING = false; 354 private static final boolean DEBUG_PACKAGE_SCANNING = false; 355 private static final boolean DEBUG_VERIFY = false; 356 private static final boolean DEBUG_FILTERS = false; 357 358 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 359 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 360 // user, but by default initialize to this. 361 static final boolean DEBUG_DEXOPT = false; 362 363 private static final boolean DEBUG_ABI_SELECTION = false; 364 private static final boolean DEBUG_EPHEMERAL = false; 365 private static final boolean DEBUG_TRIAGED_MISSING = false; 366 private static final boolean DEBUG_APP_DATA = false; 367 368 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 369 370 private static final boolean DISABLE_EPHEMERAL_APPS = true; 371 372 private static final int RADIO_UID = Process.PHONE_UID; 373 private static final int LOG_UID = Process.LOG_UID; 374 private static final int NFC_UID = Process.NFC_UID; 375 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 376 private static final int SHELL_UID = Process.SHELL_UID; 377 378 // Cap the size of permission trees that 3rd party apps can define 379 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 380 381 // Suffix used during package installation when copying/moving 382 // package apks to install directory. 383 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 384 385 static final int SCAN_NO_DEX = 1<<1; 386 static final int SCAN_FORCE_DEX = 1<<2; 387 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 388 static final int SCAN_NEW_INSTALL = 1<<4; 389 static final int SCAN_NO_PATHS = 1<<5; 390 static final int SCAN_UPDATE_TIME = 1<<6; 391 static final int SCAN_DEFER_DEX = 1<<7; 392 static final int SCAN_BOOTING = 1<<8; 393 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 394 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 395 static final int SCAN_REPLACING = 1<<11; 396 static final int SCAN_REQUIRE_KNOWN = 1<<12; 397 static final int SCAN_MOVE = 1<<13; 398 static final int SCAN_INITIAL = 1<<14; 399 static final int SCAN_CHECK_ONLY = 1<<15; 400 static final int SCAN_DONT_KILL_APP = 1<<17; 401 static final int SCAN_IGNORE_FROZEN = 1<<18; 402 403 static final int REMOVE_CHATTY = 1<<16; 404 405 private static final int[] EMPTY_INT_ARRAY = new int[0]; 406 407 /** 408 * Timeout (in milliseconds) after which the watchdog should declare that 409 * our handler thread is wedged. The usual default for such things is one 410 * minute but we sometimes do very lengthy I/O operations on this thread, 411 * such as installing multi-gigabyte applications, so ours needs to be longer. 412 */ 413 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 414 415 /** 416 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 417 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 418 * settings entry if available, otherwise we use the hardcoded default. If it's been 419 * more than this long since the last fstrim, we force one during the boot sequence. 420 * 421 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 422 * one gets run at the next available charging+idle time. This final mandatory 423 * no-fstrim check kicks in only of the other scheduling criteria is never met. 424 */ 425 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 426 427 /** 428 * Whether verification is enabled by default. 429 */ 430 private static final boolean DEFAULT_VERIFY_ENABLE = true; 431 432 /** 433 * The default maximum time to wait for the verification agent to return in 434 * milliseconds. 435 */ 436 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 437 438 /** 439 * The default response for package verification timeout. 440 * 441 * This can be either PackageManager.VERIFICATION_ALLOW or 442 * PackageManager.VERIFICATION_REJECT. 443 */ 444 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 445 446 static final String PLATFORM_PACKAGE_NAME = "android"; 447 448 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 449 450 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 451 DEFAULT_CONTAINER_PACKAGE, 452 "com.android.defcontainer.DefaultContainerService"); 453 454 private static final String KILL_APP_REASON_GIDS_CHANGED = 455 "permission grant or revoke changed gids"; 456 457 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 458 "permissions revoked"; 459 460 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 461 462 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 463 464 /** Permission grant: not grant the permission. */ 465 private static final int GRANT_DENIED = 1; 466 467 /** Permission grant: grant the permission as an install permission. */ 468 private static final int GRANT_INSTALL = 2; 469 470 /** Permission grant: grant the permission as a runtime one. */ 471 private static final int GRANT_RUNTIME = 3; 472 473 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 474 private static final int GRANT_UPGRADE = 4; 475 476 /** Canonical intent used to identify what counts as a "web browser" app */ 477 private static final Intent sBrowserIntent; 478 static { 479 sBrowserIntent = new Intent(); 480 sBrowserIntent.setAction(Intent.ACTION_VIEW); 481 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 482 sBrowserIntent.setData(Uri.parse("http:")); 483 } 484 485 /** 486 * The set of all protected actions [i.e. those actions for which a high priority 487 * intent filter is disallowed]. 488 */ 489 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 490 static { 491 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 492 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 493 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 494 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 495 } 496 497 // Compilation reasons. 498 public static final int REASON_FIRST_BOOT = 0; 499 public static final int REASON_BOOT = 1; 500 public static final int REASON_INSTALL = 2; 501 public static final int REASON_BACKGROUND_DEXOPT = 3; 502 public static final int REASON_AB_OTA = 4; 503 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 504 public static final int REASON_SHARED_APK = 6; 505 public static final int REASON_FORCED_DEXOPT = 7; 506 507 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 508 509 /** Special library name that skips shared libraries check during compilation. */ 510 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 511 512 final ServiceThread mHandlerThread; 513 514 final PackageHandler mHandler; 515 516 private final ProcessLoggingHandler mProcessLoggingHandler; 517 518 /** 519 * Messages for {@link #mHandler} that need to wait for system ready before 520 * being dispatched. 521 */ 522 private ArrayList<Message> mPostSystemReadyMessages; 523 524 final int mSdkVersion = Build.VERSION.SDK_INT; 525 526 final Context mContext; 527 final boolean mFactoryTest; 528 final boolean mOnlyCore; 529 final DisplayMetrics mMetrics; 530 final int mDefParseFlags; 531 final String[] mSeparateProcesses; 532 final boolean mIsUpgrade; 533 final boolean mIsPreNUpgrade; 534 535 /** The location for ASEC container files on internal storage. */ 536 final String mAsecInternalPath; 537 538 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 539 // LOCK HELD. Can be called with mInstallLock held. 540 @GuardedBy("mInstallLock") 541 final Installer mInstaller; 542 543 /** Directory where installed third-party apps stored */ 544 final File mAppInstallDir; 545 final File mEphemeralInstallDir; 546 547 /** 548 * Directory to which applications installed internally have their 549 * 32 bit native libraries copied. 550 */ 551 private File mAppLib32InstallDir; 552 553 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 554 // apps. 555 final File mDrmAppPrivateInstallDir; 556 557 // ---------------------------------------------------------------- 558 559 // Lock for state used when installing and doing other long running 560 // operations. Methods that must be called with this lock held have 561 // the suffix "LI". 562 final Object mInstallLock = new Object(); 563 564 // ---------------------------------------------------------------- 565 566 // Keys are String (package name), values are Package. This also serves 567 // as the lock for the global state. Methods that must be called with 568 // this lock held have the prefix "LP". 569 @GuardedBy("mPackages") 570 final ArrayMap<String, PackageParser.Package> mPackages = 571 new ArrayMap<String, PackageParser.Package>(); 572 573 final ArrayMap<String, Set<String>> mKnownCodebase = 574 new ArrayMap<String, Set<String>>(); 575 576 // Tracks available target package names -> overlay package paths. 577 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 578 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 579 580 /** 581 * Tracks new system packages [received in an OTA] that we expect to 582 * find updated user-installed versions. Keys are package name, values 583 * are package location. 584 */ 585 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 586 /** 587 * Tracks high priority intent filters for protected actions. During boot, certain 588 * filter actions are protected and should never be allowed to have a high priority 589 * intent filter for them. However, there is one, and only one exception -- the 590 * setup wizard. It must be able to define a high priority intent filter for these 591 * actions to ensure there are no escapes from the wizard. We need to delay processing 592 * of these during boot as we need to look at all of the system packages in order 593 * to know which component is the setup wizard. 594 */ 595 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 596 /** 597 * Whether or not processing protected filters should be deferred. 598 */ 599 private boolean mDeferProtectedFilters = true; 600 601 /** 602 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 603 */ 604 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 605 /** 606 * Whether or not system app permissions should be promoted from install to runtime. 607 */ 608 boolean mPromoteSystemApps; 609 610 @GuardedBy("mPackages") 611 final Settings mSettings; 612 613 /** 614 * Set of package names that are currently "frozen", which means active 615 * surgery is being done on the code/data for that package. The platform 616 * will refuse to launch frozen packages to avoid race conditions. 617 * 618 * @see PackageFreezer 619 */ 620 @GuardedBy("mPackages") 621 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 622 623 boolean mRestoredSettings; 624 625 // System configuration read by SystemConfig. 626 final int[] mGlobalGids; 627 final SparseArray<ArraySet<String>> mSystemPermissions; 628 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 629 630 // If mac_permissions.xml was found for seinfo labeling. 631 boolean mFoundPolicyFile; 632 633 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 634 635 public static final class SharedLibraryEntry { 636 public final String path; 637 public final String apk; 638 639 SharedLibraryEntry(String _path, String _apk) { 640 path = _path; 641 apk = _apk; 642 } 643 } 644 645 // Currently known shared libraries. 646 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 647 new ArrayMap<String, SharedLibraryEntry>(); 648 649 // All available activities, for your resolving pleasure. 650 final ActivityIntentResolver mActivities = 651 new ActivityIntentResolver(); 652 653 // All available receivers, for your resolving pleasure. 654 final ActivityIntentResolver mReceivers = 655 new ActivityIntentResolver(); 656 657 // All available services, for your resolving pleasure. 658 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 659 660 // All available providers, for your resolving pleasure. 661 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 662 663 // Mapping from provider base names (first directory in content URI codePath) 664 // to the provider information. 665 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 666 new ArrayMap<String, PackageParser.Provider>(); 667 668 // Mapping from instrumentation class names to info about them. 669 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 670 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 671 672 // Mapping from permission names to info about them. 673 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 674 new ArrayMap<String, PackageParser.PermissionGroup>(); 675 676 // Packages whose data we have transfered into another package, thus 677 // should no longer exist. 678 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 679 680 // Broadcast actions that are only available to the system. 681 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 682 683 /** List of packages waiting for verification. */ 684 final SparseArray<PackageVerificationState> mPendingVerification 685 = new SparseArray<PackageVerificationState>(); 686 687 /** Set of packages associated with each app op permission. */ 688 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 689 690 final PackageInstallerService mInstallerService; 691 692 private final PackageDexOptimizer mPackageDexOptimizer; 693 694 private AtomicInteger mNextMoveId = new AtomicInteger(); 695 private final MoveCallbacks mMoveCallbacks; 696 697 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 698 699 // Cache of users who need badging. 700 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 701 702 /** Token for keys in mPendingVerification. */ 703 private int mPendingVerificationToken = 0; 704 705 volatile boolean mSystemReady; 706 volatile boolean mSafeMode; 707 volatile boolean mHasSystemUidErrors; 708 709 ApplicationInfo mAndroidApplication; 710 final ActivityInfo mResolveActivity = new ActivityInfo(); 711 final ResolveInfo mResolveInfo = new ResolveInfo(); 712 ComponentName mResolveComponentName; 713 PackageParser.Package mPlatformPackage; 714 ComponentName mCustomResolverComponentName; 715 716 boolean mResolverReplaced = false; 717 718 private final @Nullable ComponentName mIntentFilterVerifierComponent; 719 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 720 721 private int mIntentFilterVerificationToken = 0; 722 723 /** Component that knows whether or not an ephemeral application exists */ 724 final ComponentName mEphemeralResolverComponent; 725 /** The service connection to the ephemeral resolver */ 726 final EphemeralResolverConnection mEphemeralResolverConnection; 727 728 /** Component used to install ephemeral applications */ 729 final ComponentName mEphemeralInstallerComponent; 730 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 731 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 732 733 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 734 = new SparseArray<IntentFilterVerificationState>(); 735 736 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 737 new DefaultPermissionGrantPolicy(this); 738 739 // List of packages names to keep cached, even if they are uninstalled for all users 740 private List<String> mKeepUninstalledPackages; 741 742 private UserManagerInternal mUserManagerInternal; 743 744 private static class IFVerificationParams { 745 PackageParser.Package pkg; 746 boolean replacing; 747 int userId; 748 int verifierUid; 749 750 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 751 int _userId, int _verifierUid) { 752 pkg = _pkg; 753 replacing = _replacing; 754 userId = _userId; 755 replacing = _replacing; 756 verifierUid = _verifierUid; 757 } 758 } 759 760 private interface IntentFilterVerifier<T extends IntentFilter> { 761 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 762 T filter, String packageName); 763 void startVerifications(int userId); 764 void receiveVerificationResponse(int verificationId); 765 } 766 767 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 768 private Context mContext; 769 private ComponentName mIntentFilterVerifierComponent; 770 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 771 772 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 773 mContext = context; 774 mIntentFilterVerifierComponent = verifierComponent; 775 } 776 777 private String getDefaultScheme() { 778 return IntentFilter.SCHEME_HTTPS; 779 } 780 781 @Override 782 public void startVerifications(int userId) { 783 // Launch verifications requests 784 int count = mCurrentIntentFilterVerifications.size(); 785 for (int n=0; n<count; n++) { 786 int verificationId = mCurrentIntentFilterVerifications.get(n); 787 final IntentFilterVerificationState ivs = 788 mIntentFilterVerificationStates.get(verificationId); 789 790 String packageName = ivs.getPackageName(); 791 792 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 793 final int filterCount = filters.size(); 794 ArraySet<String> domainsSet = new ArraySet<>(); 795 for (int m=0; m<filterCount; m++) { 796 PackageParser.ActivityIntentInfo filter = filters.get(m); 797 domainsSet.addAll(filter.getHostsList()); 798 } 799 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 800 synchronized (mPackages) { 801 if (mSettings.createIntentFilterVerificationIfNeededLPw( 802 packageName, domainsList) != null) { 803 scheduleWriteSettingsLocked(); 804 } 805 } 806 sendVerificationRequest(userId, verificationId, ivs); 807 } 808 mCurrentIntentFilterVerifications.clear(); 809 } 810 811 private void sendVerificationRequest(int userId, int verificationId, 812 IntentFilterVerificationState ivs) { 813 814 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 815 verificationIntent.putExtra( 816 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 817 verificationId); 818 verificationIntent.putExtra( 819 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 820 getDefaultScheme()); 821 verificationIntent.putExtra( 822 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 823 ivs.getHostsString()); 824 verificationIntent.putExtra( 825 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 826 ivs.getPackageName()); 827 verificationIntent.setComponent(mIntentFilterVerifierComponent); 828 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 829 830 UserHandle user = new UserHandle(userId); 831 mContext.sendBroadcastAsUser(verificationIntent, user); 832 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 833 "Sending IntentFilter verification broadcast"); 834 } 835 836 public void receiveVerificationResponse(int verificationId) { 837 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 838 839 final boolean verified = ivs.isVerified(); 840 841 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 842 final int count = filters.size(); 843 if (DEBUG_DOMAIN_VERIFICATION) { 844 Slog.i(TAG, "Received verification response " + verificationId 845 + " for " + count + " filters, verified=" + verified); 846 } 847 for (int n=0; n<count; n++) { 848 PackageParser.ActivityIntentInfo filter = filters.get(n); 849 filter.setVerified(verified); 850 851 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 852 + " verified with result:" + verified + " and hosts:" 853 + ivs.getHostsString()); 854 } 855 856 mIntentFilterVerificationStates.remove(verificationId); 857 858 final String packageName = ivs.getPackageName(); 859 IntentFilterVerificationInfo ivi = null; 860 861 synchronized (mPackages) { 862 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 863 } 864 if (ivi == null) { 865 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 866 + verificationId + " packageName:" + packageName); 867 return; 868 } 869 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 870 "Updating IntentFilterVerificationInfo for package " + packageName 871 +" verificationId:" + verificationId); 872 873 synchronized (mPackages) { 874 if (verified) { 875 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 876 } else { 877 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 878 } 879 scheduleWriteSettingsLocked(); 880 881 final int userId = ivs.getUserId(); 882 if (userId != UserHandle.USER_ALL) { 883 final int userStatus = 884 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 885 886 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 887 boolean needUpdate = false; 888 889 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 890 // already been set by the User thru the Disambiguation dialog 891 switch (userStatus) { 892 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 893 if (verified) { 894 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 895 } else { 896 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 897 } 898 needUpdate = true; 899 break; 900 901 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 902 if (verified) { 903 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 904 needUpdate = true; 905 } 906 break; 907 908 default: 909 // Nothing to do 910 } 911 912 if (needUpdate) { 913 mSettings.updateIntentFilterVerificationStatusLPw( 914 packageName, updatedStatus, userId); 915 scheduleWritePackageRestrictionsLocked(userId); 916 } 917 } 918 } 919 } 920 921 @Override 922 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 923 ActivityIntentInfo filter, String packageName) { 924 if (!hasValidDomains(filter)) { 925 return false; 926 } 927 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 928 if (ivs == null) { 929 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 930 packageName); 931 } 932 if (DEBUG_DOMAIN_VERIFICATION) { 933 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 934 } 935 ivs.addFilter(filter); 936 return true; 937 } 938 939 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 940 int userId, int verificationId, String packageName) { 941 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 942 verifierUid, userId, packageName); 943 ivs.setPendingState(); 944 synchronized (mPackages) { 945 mIntentFilterVerificationStates.append(verificationId, ivs); 946 mCurrentIntentFilterVerifications.add(verificationId); 947 } 948 return ivs; 949 } 950 } 951 952 private static boolean hasValidDomains(ActivityIntentInfo filter) { 953 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 954 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 955 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 956 } 957 958 // Set of pending broadcasts for aggregating enable/disable of components. 959 static class PendingPackageBroadcasts { 960 // for each user id, a map of <package name -> components within that package> 961 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 962 963 public PendingPackageBroadcasts() { 964 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 965 } 966 967 public ArrayList<String> get(int userId, String packageName) { 968 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 969 return packages.get(packageName); 970 } 971 972 public void put(int userId, String packageName, ArrayList<String> components) { 973 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 974 packages.put(packageName, components); 975 } 976 977 public void remove(int userId, String packageName) { 978 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 979 if (packages != null) { 980 packages.remove(packageName); 981 } 982 } 983 984 public void remove(int userId) { 985 mUidMap.remove(userId); 986 } 987 988 public int userIdCount() { 989 return mUidMap.size(); 990 } 991 992 public int userIdAt(int n) { 993 return mUidMap.keyAt(n); 994 } 995 996 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 997 return mUidMap.get(userId); 998 } 999 1000 public int size() { 1001 // total number of pending broadcast entries across all userIds 1002 int num = 0; 1003 for (int i = 0; i< mUidMap.size(); i++) { 1004 num += mUidMap.valueAt(i).size(); 1005 } 1006 return num; 1007 } 1008 1009 public void clear() { 1010 mUidMap.clear(); 1011 } 1012 1013 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1014 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1015 if (map == null) { 1016 map = new ArrayMap<String, ArrayList<String>>(); 1017 mUidMap.put(userId, map); 1018 } 1019 return map; 1020 } 1021 } 1022 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1023 1024 // Service Connection to remote media container service to copy 1025 // package uri's from external media onto secure containers 1026 // or internal storage. 1027 private IMediaContainerService mContainerService = null; 1028 1029 static final int SEND_PENDING_BROADCAST = 1; 1030 static final int MCS_BOUND = 3; 1031 static final int END_COPY = 4; 1032 static final int INIT_COPY = 5; 1033 static final int MCS_UNBIND = 6; 1034 static final int START_CLEANING_PACKAGE = 7; 1035 static final int FIND_INSTALL_LOC = 8; 1036 static final int POST_INSTALL = 9; 1037 static final int MCS_RECONNECT = 10; 1038 static final int MCS_GIVE_UP = 11; 1039 static final int UPDATED_MEDIA_STATUS = 12; 1040 static final int WRITE_SETTINGS = 13; 1041 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1042 static final int PACKAGE_VERIFIED = 15; 1043 static final int CHECK_PENDING_VERIFICATION = 16; 1044 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1045 static final int INTENT_FILTER_VERIFIED = 18; 1046 1047 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1048 1049 // Delay time in millisecs 1050 static final int BROADCAST_DELAY = 10 * 1000; 1051 1052 static UserManagerService sUserManager; 1053 1054 // Stores a list of users whose package restrictions file needs to be updated 1055 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1056 1057 final private DefaultContainerConnection mDefContainerConn = 1058 new DefaultContainerConnection(); 1059 class DefaultContainerConnection implements ServiceConnection { 1060 public void onServiceConnected(ComponentName name, IBinder service) { 1061 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1062 IMediaContainerService imcs = 1063 IMediaContainerService.Stub.asInterface(service); 1064 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1065 } 1066 1067 public void onServiceDisconnected(ComponentName name) { 1068 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1069 } 1070 } 1071 1072 // Recordkeeping of restore-after-install operations that are currently in flight 1073 // between the Package Manager and the Backup Manager 1074 static class PostInstallData { 1075 public InstallArgs args; 1076 public PackageInstalledInfo res; 1077 1078 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1079 args = _a; 1080 res = _r; 1081 } 1082 } 1083 1084 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1085 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1086 1087 // XML tags for backup/restore of various bits of state 1088 private static final String TAG_PREFERRED_BACKUP = "pa"; 1089 private static final String TAG_DEFAULT_APPS = "da"; 1090 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1091 1092 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1093 private static final String TAG_ALL_GRANTS = "rt-grants"; 1094 private static final String TAG_GRANT = "grant"; 1095 private static final String ATTR_PACKAGE_NAME = "pkg"; 1096 1097 private static final String TAG_PERMISSION = "perm"; 1098 private static final String ATTR_PERMISSION_NAME = "name"; 1099 private static final String ATTR_IS_GRANTED = "g"; 1100 private static final String ATTR_USER_SET = "set"; 1101 private static final String ATTR_USER_FIXED = "fixed"; 1102 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1103 1104 // System/policy permission grants are not backed up 1105 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1106 FLAG_PERMISSION_POLICY_FIXED 1107 | FLAG_PERMISSION_SYSTEM_FIXED 1108 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1109 1110 // And we back up these user-adjusted states 1111 private static final int USER_RUNTIME_GRANT_MASK = 1112 FLAG_PERMISSION_USER_SET 1113 | FLAG_PERMISSION_USER_FIXED 1114 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1115 1116 final @Nullable String mRequiredVerifierPackage; 1117 final @NonNull String mRequiredInstallerPackage; 1118 final @Nullable String mSetupWizardPackage; 1119 final @NonNull String mServicesSystemSharedLibraryPackageName; 1120 final @NonNull String mSharedSystemSharedLibraryPackageName; 1121 1122 private final PackageUsage mPackageUsage = new PackageUsage(); 1123 1124 private class PackageUsage { 1125 private static final int WRITE_INTERVAL 1126 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1127 1128 private final Object mFileLock = new Object(); 1129 private final AtomicLong mLastWritten = new AtomicLong(0); 1130 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1131 1132 private boolean mIsHistoricalPackageUsageAvailable = true; 1133 1134 boolean isHistoricalPackageUsageAvailable() { 1135 return mIsHistoricalPackageUsageAvailable; 1136 } 1137 1138 void write(boolean force) { 1139 if (force) { 1140 writeInternal(); 1141 return; 1142 } 1143 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1144 && !DEBUG_DEXOPT) { 1145 return; 1146 } 1147 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1148 new Thread("PackageUsage_DiskWriter") { 1149 @Override 1150 public void run() { 1151 try { 1152 writeInternal(); 1153 } finally { 1154 mBackgroundWriteRunning.set(false); 1155 } 1156 } 1157 }.start(); 1158 } 1159 } 1160 1161 private void writeInternal() { 1162 synchronized (mPackages) { 1163 synchronized (mFileLock) { 1164 AtomicFile file = getFile(); 1165 FileOutputStream f = null; 1166 try { 1167 f = file.startWrite(); 1168 BufferedOutputStream out = new BufferedOutputStream(f); 1169 FileUtils.setPermissions(file.getBaseFile().getPath(), 1170 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1171 StringBuilder sb = new StringBuilder(); 1172 1173 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1174 sb.append('\n'); 1175 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1176 1177 for (PackageParser.Package pkg : mPackages.values()) { 1178 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1179 continue; 1180 } 1181 sb.setLength(0); 1182 sb.append(pkg.packageName); 1183 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1184 sb.append(' '); 1185 sb.append(usageTimeInMillis); 1186 } 1187 sb.append('\n'); 1188 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1189 } 1190 out.flush(); 1191 file.finishWrite(f); 1192 } catch (IOException e) { 1193 if (f != null) { 1194 file.failWrite(f); 1195 } 1196 Log.e(TAG, "Failed to write package usage times", e); 1197 } 1198 } 1199 } 1200 mLastWritten.set(SystemClock.elapsedRealtime()); 1201 } 1202 1203 void readLP() { 1204 synchronized (mFileLock) { 1205 AtomicFile file = getFile(); 1206 BufferedInputStream in = null; 1207 try { 1208 in = new BufferedInputStream(file.openRead()); 1209 StringBuffer sb = new StringBuffer(); 1210 1211 String firstLine = readLine(in, sb); 1212 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1213 readVersion1LP(in, sb); 1214 } else { 1215 readVersion0LP(in, sb, firstLine); 1216 } 1217 } catch (FileNotFoundException expected) { 1218 mIsHistoricalPackageUsageAvailable = false; 1219 } catch (IOException e) { 1220 Log.w(TAG, "Failed to read package usage times", e); 1221 } finally { 1222 IoUtils.closeQuietly(in); 1223 } 1224 } 1225 mLastWritten.set(SystemClock.elapsedRealtime()); 1226 } 1227 1228 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1229 throws IOException { 1230 // Initial version of the file had no version number and stored one 1231 // package-timestamp pair per line. 1232 // Note that the first line has already been read from the InputStream. 1233 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1234 String[] tokens = line.split(" "); 1235 if (tokens.length != 2) { 1236 throw new IOException("Failed to parse " + line + 1237 " as package-timestamp pair."); 1238 } 1239 1240 String packageName = tokens[0]; 1241 PackageParser.Package pkg = mPackages.get(packageName); 1242 if (pkg == null) { 1243 continue; 1244 } 1245 1246 long timestamp = parseAsLong(tokens[1]); 1247 for (int reason = 0; 1248 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1249 reason++) { 1250 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1251 } 1252 } 1253 } 1254 1255 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1256 // Version 1 of the file started with the corresponding version 1257 // number and then stored a package name and eight timestamps per line. 1258 String line; 1259 while ((line = readLine(in, sb)) != null) { 1260 String[] tokens = line.split(" "); 1261 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1262 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1263 } 1264 1265 String packageName = tokens[0]; 1266 PackageParser.Package pkg = mPackages.get(packageName); 1267 if (pkg == null) { 1268 continue; 1269 } 1270 1271 for (int reason = 0; 1272 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1273 reason++) { 1274 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1275 } 1276 } 1277 } 1278 1279 private long parseAsLong(String token) throws IOException { 1280 try { 1281 return Long.parseLong(token); 1282 } catch (NumberFormatException e) { 1283 throw new IOException("Failed to parse " + token + " as a long.", e); 1284 } 1285 } 1286 1287 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1288 return readToken(in, sb, '\n'); 1289 } 1290 1291 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1292 throws IOException { 1293 sb.setLength(0); 1294 while (true) { 1295 int ch = in.read(); 1296 if (ch == -1) { 1297 if (sb.length() == 0) { 1298 return null; 1299 } 1300 throw new IOException("Unexpected EOF"); 1301 } 1302 if (ch == endOfToken) { 1303 return sb.toString(); 1304 } 1305 sb.append((char)ch); 1306 } 1307 } 1308 1309 private AtomicFile getFile() { 1310 File dataDir = Environment.getDataDirectory(); 1311 File systemDir = new File(dataDir, "system"); 1312 File fname = new File(systemDir, "package-usage.list"); 1313 return new AtomicFile(fname); 1314 } 1315 1316 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1317 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1318 } 1319 1320 class PackageHandler extends Handler { 1321 private boolean mBound = false; 1322 final ArrayList<HandlerParams> mPendingInstalls = 1323 new ArrayList<HandlerParams>(); 1324 1325 private boolean connectToService() { 1326 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1327 " DefaultContainerService"); 1328 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1329 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1330 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1331 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1332 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1333 mBound = true; 1334 return true; 1335 } 1336 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1337 return false; 1338 } 1339 1340 private void disconnectService() { 1341 mContainerService = null; 1342 mBound = false; 1343 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1344 mContext.unbindService(mDefContainerConn); 1345 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1346 } 1347 1348 PackageHandler(Looper looper) { 1349 super(looper); 1350 } 1351 1352 public void handleMessage(Message msg) { 1353 try { 1354 doHandleMessage(msg); 1355 } finally { 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1357 } 1358 } 1359 1360 void doHandleMessage(Message msg) { 1361 switch (msg.what) { 1362 case INIT_COPY: { 1363 HandlerParams params = (HandlerParams) msg.obj; 1364 int idx = mPendingInstalls.size(); 1365 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1366 // If a bind was already initiated we dont really 1367 // need to do anything. The pending install 1368 // will be processed later on. 1369 if (!mBound) { 1370 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1371 System.identityHashCode(mHandler)); 1372 // If this is the only one pending we might 1373 // have to bind to the service again. 1374 if (!connectToService()) { 1375 Slog.e(TAG, "Failed to bind to media container service"); 1376 params.serviceError(); 1377 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1378 System.identityHashCode(mHandler)); 1379 if (params.traceMethod != null) { 1380 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1381 params.traceCookie); 1382 } 1383 return; 1384 } else { 1385 // Once we bind to the service, the first 1386 // pending request will be processed. 1387 mPendingInstalls.add(idx, params); 1388 } 1389 } else { 1390 mPendingInstalls.add(idx, params); 1391 // Already bound to the service. Just make 1392 // sure we trigger off processing the first request. 1393 if (idx == 0) { 1394 mHandler.sendEmptyMessage(MCS_BOUND); 1395 } 1396 } 1397 break; 1398 } 1399 case MCS_BOUND: { 1400 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1401 if (msg.obj != null) { 1402 mContainerService = (IMediaContainerService) msg.obj; 1403 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1404 System.identityHashCode(mHandler)); 1405 } 1406 if (mContainerService == null) { 1407 if (!mBound) { 1408 // Something seriously wrong since we are not bound and we are not 1409 // waiting for connection. Bail out. 1410 Slog.e(TAG, "Cannot bind to media container service"); 1411 for (HandlerParams params : mPendingInstalls) { 1412 // Indicate service bind error 1413 params.serviceError(); 1414 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1415 System.identityHashCode(params)); 1416 if (params.traceMethod != null) { 1417 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1418 params.traceMethod, params.traceCookie); 1419 } 1420 return; 1421 } 1422 mPendingInstalls.clear(); 1423 } else { 1424 Slog.w(TAG, "Waiting to connect to media container service"); 1425 } 1426 } else if (mPendingInstalls.size() > 0) { 1427 HandlerParams params = mPendingInstalls.get(0); 1428 if (params != null) { 1429 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1430 System.identityHashCode(params)); 1431 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1432 if (params.startCopy()) { 1433 // We are done... look for more work or to 1434 // go idle. 1435 if (DEBUG_SD_INSTALL) Log.i(TAG, 1436 "Checking for more work or unbind..."); 1437 // Delete pending install 1438 if (mPendingInstalls.size() > 0) { 1439 mPendingInstalls.remove(0); 1440 } 1441 if (mPendingInstalls.size() == 0) { 1442 if (mBound) { 1443 if (DEBUG_SD_INSTALL) Log.i(TAG, 1444 "Posting delayed MCS_UNBIND"); 1445 removeMessages(MCS_UNBIND); 1446 Message ubmsg = obtainMessage(MCS_UNBIND); 1447 // Unbind after a little delay, to avoid 1448 // continual thrashing. 1449 sendMessageDelayed(ubmsg, 10000); 1450 } 1451 } else { 1452 // There are more pending requests in queue. 1453 // Just post MCS_BOUND message to trigger processing 1454 // of next pending install. 1455 if (DEBUG_SD_INSTALL) Log.i(TAG, 1456 "Posting MCS_BOUND for next work"); 1457 mHandler.sendEmptyMessage(MCS_BOUND); 1458 } 1459 } 1460 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1461 } 1462 } else { 1463 // Should never happen ideally. 1464 Slog.w(TAG, "Empty queue"); 1465 } 1466 break; 1467 } 1468 case MCS_RECONNECT: { 1469 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1470 if (mPendingInstalls.size() > 0) { 1471 if (mBound) { 1472 disconnectService(); 1473 } 1474 if (!connectToService()) { 1475 Slog.e(TAG, "Failed to bind to media container service"); 1476 for (HandlerParams params : mPendingInstalls) { 1477 // Indicate service bind error 1478 params.serviceError(); 1479 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1480 System.identityHashCode(params)); 1481 } 1482 mPendingInstalls.clear(); 1483 } 1484 } 1485 break; 1486 } 1487 case MCS_UNBIND: { 1488 // If there is no actual work left, then time to unbind. 1489 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1490 1491 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1492 if (mBound) { 1493 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1494 1495 disconnectService(); 1496 } 1497 } else if (mPendingInstalls.size() > 0) { 1498 // There are more pending requests in queue. 1499 // Just post MCS_BOUND message to trigger processing 1500 // of next pending install. 1501 mHandler.sendEmptyMessage(MCS_BOUND); 1502 } 1503 1504 break; 1505 } 1506 case MCS_GIVE_UP: { 1507 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1508 HandlerParams params = mPendingInstalls.remove(0); 1509 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1510 System.identityHashCode(params)); 1511 break; 1512 } 1513 case SEND_PENDING_BROADCAST: { 1514 String packages[]; 1515 ArrayList<String> components[]; 1516 int size = 0; 1517 int uids[]; 1518 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1519 synchronized (mPackages) { 1520 if (mPendingBroadcasts == null) { 1521 return; 1522 } 1523 size = mPendingBroadcasts.size(); 1524 if (size <= 0) { 1525 // Nothing to be done. Just return 1526 return; 1527 } 1528 packages = new String[size]; 1529 components = new ArrayList[size]; 1530 uids = new int[size]; 1531 int i = 0; // filling out the above arrays 1532 1533 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1534 int packageUserId = mPendingBroadcasts.userIdAt(n); 1535 Iterator<Map.Entry<String, ArrayList<String>>> it 1536 = mPendingBroadcasts.packagesForUserId(packageUserId) 1537 .entrySet().iterator(); 1538 while (it.hasNext() && i < size) { 1539 Map.Entry<String, ArrayList<String>> ent = it.next(); 1540 packages[i] = ent.getKey(); 1541 components[i] = ent.getValue(); 1542 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1543 uids[i] = (ps != null) 1544 ? UserHandle.getUid(packageUserId, ps.appId) 1545 : -1; 1546 i++; 1547 } 1548 } 1549 size = i; 1550 mPendingBroadcasts.clear(); 1551 } 1552 // Send broadcasts 1553 for (int i = 0; i < size; i++) { 1554 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1555 } 1556 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1557 break; 1558 } 1559 case START_CLEANING_PACKAGE: { 1560 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1561 final String packageName = (String)msg.obj; 1562 final int userId = msg.arg1; 1563 final boolean andCode = msg.arg2 != 0; 1564 synchronized (mPackages) { 1565 if (userId == UserHandle.USER_ALL) { 1566 int[] users = sUserManager.getUserIds(); 1567 for (int user : users) { 1568 mSettings.addPackageToCleanLPw( 1569 new PackageCleanItem(user, packageName, andCode)); 1570 } 1571 } else { 1572 mSettings.addPackageToCleanLPw( 1573 new PackageCleanItem(userId, packageName, andCode)); 1574 } 1575 } 1576 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1577 startCleaningPackages(); 1578 } break; 1579 case POST_INSTALL: { 1580 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1581 1582 PostInstallData data = mRunningInstalls.get(msg.arg1); 1583 final boolean didRestore = (msg.arg2 != 0); 1584 mRunningInstalls.delete(msg.arg1); 1585 1586 if (data != null) { 1587 InstallArgs args = data.args; 1588 PackageInstalledInfo parentRes = data.res; 1589 1590 final boolean grantPermissions = (args.installFlags 1591 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1592 final boolean killApp = (args.installFlags 1593 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1594 final String[] grantedPermissions = args.installGrantPermissions; 1595 1596 // Handle the parent package 1597 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1598 grantedPermissions, didRestore, args.installerPackageName, 1599 args.observer); 1600 1601 // Handle the child packages 1602 final int childCount = (parentRes.addedChildPackages != null) 1603 ? parentRes.addedChildPackages.size() : 0; 1604 for (int i = 0; i < childCount; i++) { 1605 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1606 handlePackagePostInstall(childRes, grantPermissions, killApp, 1607 grantedPermissions, false, args.installerPackageName, 1608 args.observer); 1609 } 1610 1611 // Log tracing if needed 1612 if (args.traceMethod != null) { 1613 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1614 args.traceCookie); 1615 } 1616 } else { 1617 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1618 } 1619 1620 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1621 } break; 1622 case UPDATED_MEDIA_STATUS: { 1623 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1624 boolean reportStatus = msg.arg1 == 1; 1625 boolean doGc = msg.arg2 == 1; 1626 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1627 if (doGc) { 1628 // Force a gc to clear up stale containers. 1629 Runtime.getRuntime().gc(); 1630 } 1631 if (msg.obj != null) { 1632 @SuppressWarnings("unchecked") 1633 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1634 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1635 // Unload containers 1636 unloadAllContainers(args); 1637 } 1638 if (reportStatus) { 1639 try { 1640 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1641 PackageHelper.getMountService().finishMediaUpdate(); 1642 } catch (RemoteException e) { 1643 Log.e(TAG, "MountService not running?"); 1644 } 1645 } 1646 } break; 1647 case WRITE_SETTINGS: { 1648 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1649 synchronized (mPackages) { 1650 removeMessages(WRITE_SETTINGS); 1651 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1652 mSettings.writeLPr(); 1653 mDirtyUsers.clear(); 1654 } 1655 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1656 } break; 1657 case WRITE_PACKAGE_RESTRICTIONS: { 1658 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1659 synchronized (mPackages) { 1660 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1661 for (int userId : mDirtyUsers) { 1662 mSettings.writePackageRestrictionsLPr(userId); 1663 } 1664 mDirtyUsers.clear(); 1665 } 1666 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1667 } break; 1668 case CHECK_PENDING_VERIFICATION: { 1669 final int verificationId = msg.arg1; 1670 final PackageVerificationState state = mPendingVerification.get(verificationId); 1671 1672 if ((state != null) && !state.timeoutExtended()) { 1673 final InstallArgs args = state.getInstallArgs(); 1674 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1675 1676 Slog.i(TAG, "Verification timed out for " + originUri); 1677 mPendingVerification.remove(verificationId); 1678 1679 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1680 1681 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1682 Slog.i(TAG, "Continuing with installation of " + originUri); 1683 state.setVerifierResponse(Binder.getCallingUid(), 1684 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1685 broadcastPackageVerified(verificationId, originUri, 1686 PackageManager.VERIFICATION_ALLOW, 1687 state.getInstallArgs().getUser()); 1688 try { 1689 ret = args.copyApk(mContainerService, true); 1690 } catch (RemoteException e) { 1691 Slog.e(TAG, "Could not contact the ContainerService"); 1692 } 1693 } else { 1694 broadcastPackageVerified(verificationId, originUri, 1695 PackageManager.VERIFICATION_REJECT, 1696 state.getInstallArgs().getUser()); 1697 } 1698 1699 Trace.asyncTraceEnd( 1700 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1701 1702 processPendingInstall(args, ret); 1703 mHandler.sendEmptyMessage(MCS_UNBIND); 1704 } 1705 break; 1706 } 1707 case PACKAGE_VERIFIED: { 1708 final int verificationId = msg.arg1; 1709 1710 final PackageVerificationState state = mPendingVerification.get(verificationId); 1711 if (state == null) { 1712 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1713 break; 1714 } 1715 1716 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1717 1718 state.setVerifierResponse(response.callerUid, response.code); 1719 1720 if (state.isVerificationComplete()) { 1721 mPendingVerification.remove(verificationId); 1722 1723 final InstallArgs args = state.getInstallArgs(); 1724 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1725 1726 int ret; 1727 if (state.isInstallAllowed()) { 1728 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1729 broadcastPackageVerified(verificationId, originUri, 1730 response.code, state.getInstallArgs().getUser()); 1731 try { 1732 ret = args.copyApk(mContainerService, true); 1733 } catch (RemoteException e) { 1734 Slog.e(TAG, "Could not contact the ContainerService"); 1735 } 1736 } else { 1737 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1738 } 1739 1740 Trace.asyncTraceEnd( 1741 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1742 1743 processPendingInstall(args, ret); 1744 mHandler.sendEmptyMessage(MCS_UNBIND); 1745 } 1746 1747 break; 1748 } 1749 case START_INTENT_FILTER_VERIFICATIONS: { 1750 IFVerificationParams params = (IFVerificationParams) msg.obj; 1751 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1752 params.replacing, params.pkg); 1753 break; 1754 } 1755 case INTENT_FILTER_VERIFIED: { 1756 final int verificationId = msg.arg1; 1757 1758 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1759 verificationId); 1760 if (state == null) { 1761 Slog.w(TAG, "Invalid IntentFilter verification token " 1762 + verificationId + " received"); 1763 break; 1764 } 1765 1766 final int userId = state.getUserId(); 1767 1768 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1769 "Processing IntentFilter verification with token:" 1770 + verificationId + " and userId:" + userId); 1771 1772 final IntentFilterVerificationResponse response = 1773 (IntentFilterVerificationResponse) msg.obj; 1774 1775 state.setVerifierResponse(response.callerUid, response.code); 1776 1777 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1778 "IntentFilter verification with token:" + verificationId 1779 + " and userId:" + userId 1780 + " is settings verifier response with response code:" 1781 + response.code); 1782 1783 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1784 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1785 + response.getFailedDomainsString()); 1786 } 1787 1788 if (state.isVerificationComplete()) { 1789 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1790 } else { 1791 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1792 "IntentFilter verification with token:" + verificationId 1793 + " was not said to be complete"); 1794 } 1795 1796 break; 1797 } 1798 } 1799 } 1800 } 1801 1802 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1803 boolean killApp, String[] grantedPermissions, 1804 boolean launchedForRestore, String installerPackage, 1805 IPackageInstallObserver2 installObserver) { 1806 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1807 // Send the removed broadcasts 1808 if (res.removedInfo != null) { 1809 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1810 } 1811 1812 // Now that we successfully installed the package, grant runtime 1813 // permissions if requested before broadcasting the install. 1814 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1815 >= Build.VERSION_CODES.M) { 1816 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1817 } 1818 1819 final boolean update = res.removedInfo != null 1820 && res.removedInfo.removedPackage != null; 1821 1822 // If this is the first time we have child packages for a disabled privileged 1823 // app that had no children, we grant requested runtime permissions to the new 1824 // children if the parent on the system image had them already granted. 1825 if (res.pkg.parentPackage != null) { 1826 synchronized (mPackages) { 1827 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1828 } 1829 } 1830 1831 synchronized (mPackages) { 1832 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1833 } 1834 1835 final String packageName = res.pkg.applicationInfo.packageName; 1836 Bundle extras = new Bundle(1); 1837 extras.putInt(Intent.EXTRA_UID, res.uid); 1838 1839 // Determine the set of users who are adding this package for 1840 // the first time vs. those who are seeing an update. 1841 int[] firstUsers = EMPTY_INT_ARRAY; 1842 int[] updateUsers = EMPTY_INT_ARRAY; 1843 if (res.origUsers == null || res.origUsers.length == 0) { 1844 firstUsers = res.newUsers; 1845 } else { 1846 for (int newUser : res.newUsers) { 1847 boolean isNew = true; 1848 for (int origUser : res.origUsers) { 1849 if (origUser == newUser) { 1850 isNew = false; 1851 break; 1852 } 1853 } 1854 if (isNew) { 1855 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1856 } else { 1857 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1858 } 1859 } 1860 } 1861 1862 // Send installed broadcasts if the install/update is not ephemeral 1863 if (!isEphemeral(res.pkg)) { 1864 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1865 1866 // Send added for users that see the package for the first time 1867 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1868 extras, 0 /*flags*/, null /*targetPackage*/, 1869 null /*finishedReceiver*/, firstUsers); 1870 1871 // Send added for users that don't see the package for the first time 1872 if (update) { 1873 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1874 } 1875 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1876 extras, 0 /*flags*/, null /*targetPackage*/, 1877 null /*finishedReceiver*/, updateUsers); 1878 1879 // Send replaced for users that don't see the package for the first time 1880 if (update) { 1881 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1882 packageName, extras, 0 /*flags*/, 1883 null /*targetPackage*/, null /*finishedReceiver*/, 1884 updateUsers); 1885 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1886 null /*package*/, null /*extras*/, 0 /*flags*/, 1887 packageName /*targetPackage*/, 1888 null /*finishedReceiver*/, updateUsers); 1889 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1890 // First-install and we did a restore, so we're responsible for the 1891 // first-launch broadcast. 1892 if (DEBUG_BACKUP) { 1893 Slog.i(TAG, "Post-restore of " + packageName 1894 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1895 } 1896 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1897 } 1898 1899 // Send broadcast package appeared if forward locked/external for all users 1900 // treat asec-hosted packages like removable media on upgrade 1901 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1902 if (DEBUG_INSTALL) { 1903 Slog.i(TAG, "upgrading pkg " + res.pkg 1904 + " is ASEC-hosted -> AVAILABLE"); 1905 } 1906 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1907 ArrayList<String> pkgList = new ArrayList<>(1); 1908 pkgList.add(packageName); 1909 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1910 } 1911 } 1912 1913 // Work that needs to happen on first install within each user 1914 if (firstUsers != null && firstUsers.length > 0) { 1915 synchronized (mPackages) { 1916 for (int userId : firstUsers) { 1917 // If this app is a browser and it's newly-installed for some 1918 // users, clear any default-browser state in those users. The 1919 // app's nature doesn't depend on the user, so we can just check 1920 // its browser nature in any user and generalize. 1921 if (packageIsBrowser(packageName, userId)) { 1922 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1923 } 1924 1925 // We may also need to apply pending (restored) runtime 1926 // permission grants within these users. 1927 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1928 } 1929 } 1930 } 1931 1932 // Log current value of "unknown sources" setting 1933 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1934 getUnknownSourcesSettings()); 1935 1936 // Force a gc to clear up things 1937 Runtime.getRuntime().gc(); 1938 1939 // Remove the replaced package's older resources safely now 1940 // We delete after a gc for applications on sdcard. 1941 if (res.removedInfo != null && res.removedInfo.args != null) { 1942 synchronized (mInstallLock) { 1943 res.removedInfo.args.doPostDeleteLI(true); 1944 } 1945 } 1946 } 1947 1948 // If someone is watching installs - notify them 1949 if (installObserver != null) { 1950 try { 1951 Bundle extras = extrasForInstallResult(res); 1952 installObserver.onPackageInstalled(res.name, res.returnCode, 1953 res.returnMsg, extras); 1954 } catch (RemoteException e) { 1955 Slog.i(TAG, "Observer no longer exists."); 1956 } 1957 } 1958 } 1959 1960 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1961 PackageParser.Package pkg) { 1962 if (pkg.parentPackage == null) { 1963 return; 1964 } 1965 if (pkg.requestedPermissions == null) { 1966 return; 1967 } 1968 final PackageSetting disabledSysParentPs = mSettings 1969 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1970 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1971 || !disabledSysParentPs.isPrivileged() 1972 || (disabledSysParentPs.childPackageNames != null 1973 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1974 return; 1975 } 1976 final int[] allUserIds = sUserManager.getUserIds(); 1977 final int permCount = pkg.requestedPermissions.size(); 1978 for (int i = 0; i < permCount; i++) { 1979 String permission = pkg.requestedPermissions.get(i); 1980 BasePermission bp = mSettings.mPermissions.get(permission); 1981 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1982 continue; 1983 } 1984 for (int userId : allUserIds) { 1985 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1986 permission, userId)) { 1987 grantRuntimePermission(pkg.packageName, permission, userId); 1988 } 1989 } 1990 } 1991 } 1992 1993 private StorageEventListener mStorageListener = new StorageEventListener() { 1994 @Override 1995 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1996 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1997 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1998 final String volumeUuid = vol.getFsUuid(); 1999 2000 // Clean up any users or apps that were removed or recreated 2001 // while this volume was missing 2002 reconcileUsers(volumeUuid); 2003 reconcileApps(volumeUuid); 2004 2005 // Clean up any install sessions that expired or were 2006 // cancelled while this volume was missing 2007 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2008 2009 loadPrivatePackages(vol); 2010 2011 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2012 unloadPrivatePackages(vol); 2013 } 2014 } 2015 2016 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2017 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2018 updateExternalMediaStatus(true, false); 2019 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2020 updateExternalMediaStatus(false, false); 2021 } 2022 } 2023 } 2024 2025 @Override 2026 public void onVolumeForgotten(String fsUuid) { 2027 if (TextUtils.isEmpty(fsUuid)) { 2028 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2029 return; 2030 } 2031 2032 // Remove any apps installed on the forgotten volume 2033 synchronized (mPackages) { 2034 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2035 for (PackageSetting ps : packages) { 2036 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2037 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2038 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2039 } 2040 2041 mSettings.onVolumeForgotten(fsUuid); 2042 mSettings.writeLPr(); 2043 } 2044 } 2045 }; 2046 2047 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2048 String[] grantedPermissions) { 2049 for (int userId : userIds) { 2050 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2051 } 2052 2053 // We could have touched GID membership, so flush out packages.list 2054 synchronized (mPackages) { 2055 mSettings.writePackageListLPr(); 2056 } 2057 } 2058 2059 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2060 String[] grantedPermissions) { 2061 SettingBase sb = (SettingBase) pkg.mExtras; 2062 if (sb == null) { 2063 return; 2064 } 2065 2066 PermissionsState permissionsState = sb.getPermissionsState(); 2067 2068 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2069 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2070 2071 for (String permission : pkg.requestedPermissions) { 2072 final BasePermission bp; 2073 synchronized (mPackages) { 2074 bp = mSettings.mPermissions.get(permission); 2075 } 2076 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2077 && (grantedPermissions == null 2078 || ArrayUtils.contains(grantedPermissions, permission))) { 2079 final int flags = permissionsState.getPermissionFlags(permission, userId); 2080 // Installer cannot change immutable permissions. 2081 if ((flags & immutableFlags) == 0) { 2082 grantRuntimePermission(pkg.packageName, permission, userId); 2083 } 2084 } 2085 } 2086 } 2087 2088 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2089 Bundle extras = null; 2090 switch (res.returnCode) { 2091 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2092 extras = new Bundle(); 2093 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2094 res.origPermission); 2095 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2096 res.origPackage); 2097 break; 2098 } 2099 case PackageManager.INSTALL_SUCCEEDED: { 2100 extras = new Bundle(); 2101 extras.putBoolean(Intent.EXTRA_REPLACING, 2102 res.removedInfo != null && res.removedInfo.removedPackage != null); 2103 break; 2104 } 2105 } 2106 return extras; 2107 } 2108 2109 void scheduleWriteSettingsLocked() { 2110 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2111 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2112 } 2113 } 2114 2115 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2116 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2117 scheduleWritePackageRestrictionsLocked(userId); 2118 } 2119 2120 void scheduleWritePackageRestrictionsLocked(int userId) { 2121 final int[] userIds = (userId == UserHandle.USER_ALL) 2122 ? sUserManager.getUserIds() : new int[]{userId}; 2123 for (int nextUserId : userIds) { 2124 if (!sUserManager.exists(nextUserId)) return; 2125 mDirtyUsers.add(nextUserId); 2126 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2127 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2128 } 2129 } 2130 } 2131 2132 public static PackageManagerService main(Context context, Installer installer, 2133 boolean factoryTest, boolean onlyCore) { 2134 // Self-check for initial settings. 2135 PackageManagerServiceCompilerMapping.checkProperties(); 2136 2137 PackageManagerService m = new PackageManagerService(context, installer, 2138 factoryTest, onlyCore); 2139 m.enableSystemUserPackages(); 2140 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2141 // disabled after already being started. 2142 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2143 UserHandle.USER_SYSTEM); 2144 ServiceManager.addService("package", m); 2145 return m; 2146 } 2147 2148 private void enableSystemUserPackages() { 2149 if (!UserManager.isSplitSystemUser()) { 2150 return; 2151 } 2152 // For system user, enable apps based on the following conditions: 2153 // - app is whitelisted or belong to one of these groups: 2154 // -- system app which has no launcher icons 2155 // -- system app which has INTERACT_ACROSS_USERS permission 2156 // -- system IME app 2157 // - app is not in the blacklist 2158 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2159 Set<String> enableApps = new ArraySet<>(); 2160 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2161 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2162 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2163 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2164 enableApps.addAll(wlApps); 2165 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2166 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2167 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2168 enableApps.removeAll(blApps); 2169 Log.i(TAG, "Applications installed for system user: " + enableApps); 2170 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2171 UserHandle.SYSTEM); 2172 final int allAppsSize = allAps.size(); 2173 synchronized (mPackages) { 2174 for (int i = 0; i < allAppsSize; i++) { 2175 String pName = allAps.get(i); 2176 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2177 // Should not happen, but we shouldn't be failing if it does 2178 if (pkgSetting == null) { 2179 continue; 2180 } 2181 boolean install = enableApps.contains(pName); 2182 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2183 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2184 + " for system user"); 2185 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2186 } 2187 } 2188 } 2189 } 2190 2191 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2192 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2193 Context.DISPLAY_SERVICE); 2194 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2195 } 2196 2197 public PackageManagerService(Context context, Installer installer, 2198 boolean factoryTest, boolean onlyCore) { 2199 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2200 SystemClock.uptimeMillis()); 2201 2202 if (mSdkVersion <= 0) { 2203 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2204 } 2205 2206 mContext = context; 2207 mFactoryTest = factoryTest; 2208 mOnlyCore = onlyCore; 2209 mMetrics = new DisplayMetrics(); 2210 mSettings = new Settings(mPackages); 2211 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2212 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2213 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2214 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2215 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2216 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2217 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2218 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2219 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2220 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2221 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2222 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2223 2224 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2225 if (separateProcesses != null && separateProcesses.length() > 0) { 2226 if ("*".equals(separateProcesses)) { 2227 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2228 mSeparateProcesses = null; 2229 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2230 } else { 2231 mDefParseFlags = 0; 2232 mSeparateProcesses = separateProcesses.split(","); 2233 Slog.w(TAG, "Running with debug.separate_processes: " 2234 + separateProcesses); 2235 } 2236 } else { 2237 mDefParseFlags = 0; 2238 mSeparateProcesses = null; 2239 } 2240 2241 mInstaller = installer; 2242 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2243 "*dexopt*"); 2244 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2245 2246 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2247 FgThread.get().getLooper()); 2248 2249 getDefaultDisplayMetrics(context, mMetrics); 2250 2251 SystemConfig systemConfig = SystemConfig.getInstance(); 2252 mGlobalGids = systemConfig.getGlobalGids(); 2253 mSystemPermissions = systemConfig.getSystemPermissions(); 2254 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2255 2256 synchronized (mInstallLock) { 2257 // writer 2258 synchronized (mPackages) { 2259 mHandlerThread = new ServiceThread(TAG, 2260 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2261 mHandlerThread.start(); 2262 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2263 mProcessLoggingHandler = new ProcessLoggingHandler(); 2264 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2265 2266 File dataDir = Environment.getDataDirectory(); 2267 mAppInstallDir = new File(dataDir, "app"); 2268 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2269 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2270 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2271 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2272 2273 sUserManager = new UserManagerService(context, this, mPackages); 2274 2275 // Propagate permission configuration in to package manager. 2276 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2277 = systemConfig.getPermissions(); 2278 for (int i=0; i<permConfig.size(); i++) { 2279 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2280 BasePermission bp = mSettings.mPermissions.get(perm.name); 2281 if (bp == null) { 2282 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2283 mSettings.mPermissions.put(perm.name, bp); 2284 } 2285 if (perm.gids != null) { 2286 bp.setGids(perm.gids, perm.perUser); 2287 } 2288 } 2289 2290 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2291 for (int i=0; i<libConfig.size(); i++) { 2292 mSharedLibraries.put(libConfig.keyAt(i), 2293 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2294 } 2295 2296 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2297 2298 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2299 2300 String customResolverActivity = Resources.getSystem().getString( 2301 R.string.config_customResolverActivity); 2302 if (TextUtils.isEmpty(customResolverActivity)) { 2303 customResolverActivity = null; 2304 } else { 2305 mCustomResolverComponentName = ComponentName.unflattenFromString( 2306 customResolverActivity); 2307 } 2308 2309 long startTime = SystemClock.uptimeMillis(); 2310 2311 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2312 startTime); 2313 2314 // Set flag to monitor and not change apk file paths when 2315 // scanning install directories. 2316 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2317 2318 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2319 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2320 2321 if (bootClassPath == null) { 2322 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2323 } 2324 2325 if (systemServerClassPath == null) { 2326 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2327 } 2328 2329 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2330 final String[] dexCodeInstructionSets = 2331 getDexCodeInstructionSets( 2332 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2333 2334 /** 2335 * Ensure all external libraries have had dexopt run on them. 2336 */ 2337 if (mSharedLibraries.size() > 0) { 2338 // NOTE: For now, we're compiling these system "shared libraries" 2339 // (and framework jars) into all available architectures. It's possible 2340 // to compile them only when we come across an app that uses them (there's 2341 // already logic for that in scanPackageLI) but that adds some complexity. 2342 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2343 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2344 final String lib = libEntry.path; 2345 if (lib == null) { 2346 continue; 2347 } 2348 2349 try { 2350 // Shared libraries do not have profiles so we perform a full 2351 // AOT compilation (if needed). 2352 int dexoptNeeded = DexFile.getDexOptNeeded( 2353 lib, dexCodeInstructionSet, 2354 getCompilerFilterForReason(REASON_SHARED_APK), 2355 false /* newProfile */); 2356 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2357 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2358 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2359 getCompilerFilterForReason(REASON_SHARED_APK), 2360 StorageManager.UUID_PRIVATE_INTERNAL, 2361 SKIP_SHARED_LIBRARY_CHECK); 2362 } 2363 } catch (FileNotFoundException e) { 2364 Slog.w(TAG, "Library not found: " + lib); 2365 } catch (IOException | InstallerException e) { 2366 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2367 + e.getMessage()); 2368 } 2369 } 2370 } 2371 } 2372 2373 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2374 2375 final VersionInfo ver = mSettings.getInternalVersion(); 2376 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2377 2378 // when upgrading from pre-M, promote system app permissions from install to runtime 2379 mPromoteSystemApps = 2380 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2381 2382 // save off the names of pre-existing system packages prior to scanning; we don't 2383 // want to automatically grant runtime permissions for new system apps 2384 if (mPromoteSystemApps) { 2385 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2386 while (pkgSettingIter.hasNext()) { 2387 PackageSetting ps = pkgSettingIter.next(); 2388 if (isSystemApp(ps)) { 2389 mExistingSystemPackages.add(ps.name); 2390 } 2391 } 2392 } 2393 2394 // When upgrading from pre-N, we need to handle package extraction like first boot, 2395 // as there is no profiling data available. 2396 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2397 mSettings.setNWorkDone(); 2398 2399 // Collect vendor overlay packages. 2400 // (Do this before scanning any apps.) 2401 // For security and version matching reason, only consider 2402 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2403 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2404 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2405 | PackageParser.PARSE_IS_SYSTEM 2406 | PackageParser.PARSE_IS_SYSTEM_DIR 2407 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2408 2409 // Find base frameworks (resource packages without code). 2410 scanDirTracedLI(frameworkDir, mDefParseFlags 2411 | PackageParser.PARSE_IS_SYSTEM 2412 | PackageParser.PARSE_IS_SYSTEM_DIR 2413 | PackageParser.PARSE_IS_PRIVILEGED, 2414 scanFlags | SCAN_NO_DEX, 0); 2415 2416 // Collected privileged system packages. 2417 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2418 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2419 | PackageParser.PARSE_IS_SYSTEM 2420 | PackageParser.PARSE_IS_SYSTEM_DIR 2421 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2422 2423 // Collect ordinary system packages. 2424 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2425 scanDirTracedLI(systemAppDir, mDefParseFlags 2426 | PackageParser.PARSE_IS_SYSTEM 2427 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2428 2429 // Collect all vendor packages. 2430 File vendorAppDir = new File("/vendor/app"); 2431 try { 2432 vendorAppDir = vendorAppDir.getCanonicalFile(); 2433 } catch (IOException e) { 2434 // failed to look up canonical path, continue with original one 2435 } 2436 scanDirTracedLI(vendorAppDir, mDefParseFlags 2437 | PackageParser.PARSE_IS_SYSTEM 2438 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2439 2440 // Collect all OEM packages. 2441 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2442 scanDirTracedLI(oemAppDir, mDefParseFlags 2443 | PackageParser.PARSE_IS_SYSTEM 2444 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2445 2446 // Prune any system packages that no longer exist. 2447 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2448 if (!mOnlyCore) { 2449 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2450 while (psit.hasNext()) { 2451 PackageSetting ps = psit.next(); 2452 2453 /* 2454 * If this is not a system app, it can't be a 2455 * disable system app. 2456 */ 2457 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2458 continue; 2459 } 2460 2461 /* 2462 * If the package is scanned, it's not erased. 2463 */ 2464 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2465 if (scannedPkg != null) { 2466 /* 2467 * If the system app is both scanned and in the 2468 * disabled packages list, then it must have been 2469 * added via OTA. Remove it from the currently 2470 * scanned package so the previously user-installed 2471 * application can be scanned. 2472 */ 2473 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2474 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2475 + ps.name + "; removing system app. Last known codePath=" 2476 + ps.codePathString + ", installStatus=" + ps.installStatus 2477 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2478 + scannedPkg.mVersionCode); 2479 removePackageLI(scannedPkg, true); 2480 mExpectingBetter.put(ps.name, ps.codePath); 2481 } 2482 2483 continue; 2484 } 2485 2486 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2487 psit.remove(); 2488 logCriticalInfo(Log.WARN, "System package " + ps.name 2489 + " no longer exists; it's data will be wiped"); 2490 // Actual deletion of code and data will be handled by later 2491 // reconciliation step 2492 } else { 2493 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2494 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2495 possiblyDeletedUpdatedSystemApps.add(ps.name); 2496 } 2497 } 2498 } 2499 } 2500 2501 //look for any incomplete package installations 2502 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2503 for (int i = 0; i < deletePkgsList.size(); i++) { 2504 // Actual deletion of code and data will be handled by later 2505 // reconciliation step 2506 final String packageName = deletePkgsList.get(i).name; 2507 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2508 synchronized (mPackages) { 2509 mSettings.removePackageLPw(packageName); 2510 } 2511 } 2512 2513 //delete tmp files 2514 deleteTempPackageFiles(); 2515 2516 // Remove any shared userIDs that have no associated packages 2517 mSettings.pruneSharedUsersLPw(); 2518 2519 if (!mOnlyCore) { 2520 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2521 SystemClock.uptimeMillis()); 2522 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2523 2524 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2525 | PackageParser.PARSE_FORWARD_LOCK, 2526 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2527 2528 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2529 | PackageParser.PARSE_IS_EPHEMERAL, 2530 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2531 2532 /** 2533 * Remove disable package settings for any updated system 2534 * apps that were removed via an OTA. If they're not a 2535 * previously-updated app, remove them completely. 2536 * Otherwise, just revoke their system-level permissions. 2537 */ 2538 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2539 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2540 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2541 2542 String msg; 2543 if (deletedPkg == null) { 2544 msg = "Updated system package " + deletedAppName 2545 + " no longer exists; it's data will be wiped"; 2546 // Actual deletion of code and data will be handled by later 2547 // reconciliation step 2548 } else { 2549 msg = "Updated system app + " + deletedAppName 2550 + " no longer present; removing system privileges for " 2551 + deletedAppName; 2552 2553 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2554 2555 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2556 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2557 } 2558 logCriticalInfo(Log.WARN, msg); 2559 } 2560 2561 /** 2562 * Make sure all system apps that we expected to appear on 2563 * the userdata partition actually showed up. If they never 2564 * appeared, crawl back and revive the system version. 2565 */ 2566 for (int i = 0; i < mExpectingBetter.size(); i++) { 2567 final String packageName = mExpectingBetter.keyAt(i); 2568 if (!mPackages.containsKey(packageName)) { 2569 final File scanFile = mExpectingBetter.valueAt(i); 2570 2571 logCriticalInfo(Log.WARN, "Expected better " + packageName 2572 + " but never showed up; reverting to system"); 2573 2574 int reparseFlags = mDefParseFlags; 2575 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2576 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2577 | PackageParser.PARSE_IS_SYSTEM_DIR 2578 | PackageParser.PARSE_IS_PRIVILEGED; 2579 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2580 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2581 | PackageParser.PARSE_IS_SYSTEM_DIR; 2582 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2583 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2584 | PackageParser.PARSE_IS_SYSTEM_DIR; 2585 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2586 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2587 | PackageParser.PARSE_IS_SYSTEM_DIR; 2588 } else { 2589 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2590 continue; 2591 } 2592 2593 mSettings.enableSystemPackageLPw(packageName); 2594 2595 try { 2596 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2597 } catch (PackageManagerException e) { 2598 Slog.e(TAG, "Failed to parse original system package: " 2599 + e.getMessage()); 2600 } 2601 } 2602 } 2603 } 2604 mExpectingBetter.clear(); 2605 2606 // Resolve protected action filters. Only the setup wizard is allowed to 2607 // have a high priority filter for these actions. 2608 mSetupWizardPackage = getSetupWizardPackageName(); 2609 if (mProtectedFilters.size() > 0) { 2610 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2611 Slog.i(TAG, "No setup wizard;" 2612 + " All protected intents capped to priority 0"); 2613 } 2614 for (ActivityIntentInfo filter : mProtectedFilters) { 2615 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2616 if (DEBUG_FILTERS) { 2617 Slog.i(TAG, "Found setup wizard;" 2618 + " allow priority " + filter.getPriority() + ";" 2619 + " package: " + filter.activity.info.packageName 2620 + " activity: " + filter.activity.className 2621 + " priority: " + filter.getPriority()); 2622 } 2623 // skip setup wizard; allow it to keep the high priority filter 2624 continue; 2625 } 2626 Slog.w(TAG, "Protected action; cap priority to 0;" 2627 + " package: " + filter.activity.info.packageName 2628 + " activity: " + filter.activity.className 2629 + " origPrio: " + filter.getPriority()); 2630 filter.setPriority(0); 2631 } 2632 } 2633 mDeferProtectedFilters = false; 2634 mProtectedFilters.clear(); 2635 2636 // Now that we know all of the shared libraries, update all clients to have 2637 // the correct library paths. 2638 updateAllSharedLibrariesLPw(); 2639 2640 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2641 // NOTE: We ignore potential failures here during a system scan (like 2642 // the rest of the commands above) because there's precious little we 2643 // can do about it. A settings error is reported, though. 2644 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2645 false /* boot complete */); 2646 } 2647 2648 // Now that we know all the packages we are keeping, 2649 // read and update their last usage times. 2650 mPackageUsage.readLP(); 2651 2652 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2653 SystemClock.uptimeMillis()); 2654 Slog.i(TAG, "Time to scan packages: " 2655 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2656 + " seconds"); 2657 2658 // If the platform SDK has changed since the last time we booted, 2659 // we need to re-grant app permission to catch any new ones that 2660 // appear. This is really a hack, and means that apps can in some 2661 // cases get permissions that the user didn't initially explicitly 2662 // allow... it would be nice to have some better way to handle 2663 // this situation. 2664 int updateFlags = UPDATE_PERMISSIONS_ALL; 2665 if (ver.sdkVersion != mSdkVersion) { 2666 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2667 + mSdkVersion + "; regranting permissions for internal storage"); 2668 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2669 } 2670 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2671 ver.sdkVersion = mSdkVersion; 2672 2673 // If this is the first boot or an update from pre-M, and it is a normal 2674 // boot, then we need to initialize the default preferred apps across 2675 // all defined users. 2676 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2677 for (UserInfo user : sUserManager.getUsers(true)) { 2678 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2679 applyFactoryDefaultBrowserLPw(user.id); 2680 primeDomainVerificationsLPw(user.id); 2681 } 2682 } 2683 2684 // Prepare storage for system user really early during boot, 2685 // since core system apps like SettingsProvider and SystemUI 2686 // can't wait for user to start 2687 final int storageFlags; 2688 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2689 storageFlags = StorageManager.FLAG_STORAGE_DE; 2690 } else { 2691 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2692 } 2693 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2694 storageFlags); 2695 2696 // If this is first boot after an OTA, and a normal boot, then 2697 // we need to clear code cache directories. 2698 // Note that we do *not* clear the application profiles. These remain valid 2699 // across OTAs and are used to drive profile verification (post OTA) and 2700 // profile compilation (without waiting to collect a fresh set of profiles). 2701 if (mIsUpgrade && !onlyCore) { 2702 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2703 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2704 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2705 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2706 // No apps are running this early, so no need to freeze 2707 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2708 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2709 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2710 } 2711 } 2712 ver.fingerprint = Build.FINGERPRINT; 2713 } 2714 2715 checkDefaultBrowser(); 2716 2717 // clear only after permissions and other defaults have been updated 2718 mExistingSystemPackages.clear(); 2719 mPromoteSystemApps = false; 2720 2721 // All the changes are done during package scanning. 2722 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2723 2724 // can downgrade to reader 2725 mSettings.writeLPr(); 2726 2727 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2728 SystemClock.uptimeMillis()); 2729 2730 if (!mOnlyCore) { 2731 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2732 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2733 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2734 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2735 mIntentFilterVerifierComponent); 2736 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2737 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2738 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2739 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2740 } else { 2741 mRequiredVerifierPackage = null; 2742 mRequiredInstallerPackage = null; 2743 mIntentFilterVerifierComponent = null; 2744 mIntentFilterVerifier = null; 2745 mServicesSystemSharedLibraryPackageName = null; 2746 mSharedSystemSharedLibraryPackageName = null; 2747 } 2748 2749 mInstallerService = new PackageInstallerService(context, this); 2750 2751 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2752 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2753 // both the installer and resolver must be present to enable ephemeral 2754 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2755 if (DEBUG_EPHEMERAL) { 2756 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2757 + " installer:" + ephemeralInstallerComponent); 2758 } 2759 mEphemeralResolverComponent = ephemeralResolverComponent; 2760 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2761 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2762 mEphemeralResolverConnection = 2763 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2764 } else { 2765 if (DEBUG_EPHEMERAL) { 2766 final String missingComponent = 2767 (ephemeralResolverComponent == null) 2768 ? (ephemeralInstallerComponent == null) 2769 ? "resolver and installer" 2770 : "resolver" 2771 : "installer"; 2772 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2773 } 2774 mEphemeralResolverComponent = null; 2775 mEphemeralInstallerComponent = null; 2776 mEphemeralResolverConnection = null; 2777 } 2778 2779 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2780 } // synchronized (mPackages) 2781 } // synchronized (mInstallLock) 2782 2783 // Now after opening every single application zip, make sure they 2784 // are all flushed. Not really needed, but keeps things nice and 2785 // tidy. 2786 Runtime.getRuntime().gc(); 2787 2788 // The initial scanning above does many calls into installd while 2789 // holding the mPackages lock, but we're mostly interested in yelling 2790 // once we have a booted system. 2791 mInstaller.setWarnIfHeld(mPackages); 2792 2793 // Expose private service for system components to use. 2794 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2795 } 2796 2797 @Override 2798 public boolean isFirstBoot() { 2799 return !mRestoredSettings; 2800 } 2801 2802 @Override 2803 public boolean isOnlyCoreApps() { 2804 return mOnlyCore; 2805 } 2806 2807 @Override 2808 public boolean isUpgrade() { 2809 return mIsUpgrade; 2810 } 2811 2812 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2813 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2814 2815 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2816 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2817 UserHandle.USER_SYSTEM); 2818 if (matches.size() == 1) { 2819 return matches.get(0).getComponentInfo().packageName; 2820 } else { 2821 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2822 return null; 2823 } 2824 } 2825 2826 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2827 synchronized (mPackages) { 2828 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2829 if (libraryEntry == null) { 2830 throw new IllegalStateException("Missing required shared library:" + libraryName); 2831 } 2832 return libraryEntry.apk; 2833 } 2834 } 2835 2836 private @NonNull String getRequiredInstallerLPr() { 2837 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2838 intent.addCategory(Intent.CATEGORY_DEFAULT); 2839 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2840 2841 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2842 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2843 UserHandle.USER_SYSTEM); 2844 if (matches.size() == 1) { 2845 ResolveInfo resolveInfo = matches.get(0); 2846 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2847 throw new RuntimeException("The installer must be a privileged app"); 2848 } 2849 return matches.get(0).getComponentInfo().packageName; 2850 } else { 2851 throw new RuntimeException("There must be exactly one installer; found " + matches); 2852 } 2853 } 2854 2855 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2856 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2857 2858 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2859 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2860 UserHandle.USER_SYSTEM); 2861 ResolveInfo best = null; 2862 final int N = matches.size(); 2863 for (int i = 0; i < N; i++) { 2864 final ResolveInfo cur = matches.get(i); 2865 final String packageName = cur.getComponentInfo().packageName; 2866 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2867 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2868 continue; 2869 } 2870 2871 if (best == null || cur.priority > best.priority) { 2872 best = cur; 2873 } 2874 } 2875 2876 if (best != null) { 2877 return best.getComponentInfo().getComponentName(); 2878 } else { 2879 throw new RuntimeException("There must be at least one intent filter verifier"); 2880 } 2881 } 2882 2883 private @Nullable ComponentName getEphemeralResolverLPr() { 2884 final String[] packageArray = 2885 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2886 if (packageArray.length == 0) { 2887 if (DEBUG_EPHEMERAL) { 2888 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2889 } 2890 return null; 2891 } 2892 2893 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2894 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2895 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2896 UserHandle.USER_SYSTEM); 2897 2898 final int N = resolvers.size(); 2899 if (N == 0) { 2900 if (DEBUG_EPHEMERAL) { 2901 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2902 } 2903 return null; 2904 } 2905 2906 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2907 for (int i = 0; i < N; i++) { 2908 final ResolveInfo info = resolvers.get(i); 2909 2910 if (info.serviceInfo == null) { 2911 continue; 2912 } 2913 2914 final String packageName = info.serviceInfo.packageName; 2915 if (!possiblePackages.contains(packageName)) { 2916 if (DEBUG_EPHEMERAL) { 2917 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2918 + " pkg: " + packageName + ", info:" + info); 2919 } 2920 continue; 2921 } 2922 2923 if (DEBUG_EPHEMERAL) { 2924 Slog.v(TAG, "Ephemeral resolver found;" 2925 + " pkg: " + packageName + ", info:" + info); 2926 } 2927 return new ComponentName(packageName, info.serviceInfo.name); 2928 } 2929 if (DEBUG_EPHEMERAL) { 2930 Slog.v(TAG, "Ephemeral resolver NOT found"); 2931 } 2932 return null; 2933 } 2934 2935 private @Nullable ComponentName getEphemeralInstallerLPr() { 2936 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2937 intent.addCategory(Intent.CATEGORY_DEFAULT); 2938 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2939 2940 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2941 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2942 UserHandle.USER_SYSTEM); 2943 if (matches.size() == 0) { 2944 return null; 2945 } else if (matches.size() == 1) { 2946 return matches.get(0).getComponentInfo().getComponentName(); 2947 } else { 2948 throw new RuntimeException( 2949 "There must be at most one ephemeral installer; found " + matches); 2950 } 2951 } 2952 2953 private void primeDomainVerificationsLPw(int userId) { 2954 if (DEBUG_DOMAIN_VERIFICATION) { 2955 Slog.d(TAG, "Priming domain verifications in user " + userId); 2956 } 2957 2958 SystemConfig systemConfig = SystemConfig.getInstance(); 2959 ArraySet<String> packages = systemConfig.getLinkedApps(); 2960 ArraySet<String> domains = new ArraySet<String>(); 2961 2962 for (String packageName : packages) { 2963 PackageParser.Package pkg = mPackages.get(packageName); 2964 if (pkg != null) { 2965 if (!pkg.isSystemApp()) { 2966 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2967 continue; 2968 } 2969 2970 domains.clear(); 2971 for (PackageParser.Activity a : pkg.activities) { 2972 for (ActivityIntentInfo filter : a.intents) { 2973 if (hasValidDomains(filter)) { 2974 domains.addAll(filter.getHostsList()); 2975 } 2976 } 2977 } 2978 2979 if (domains.size() > 0) { 2980 if (DEBUG_DOMAIN_VERIFICATION) { 2981 Slog.v(TAG, " + " + packageName); 2982 } 2983 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2984 // state w.r.t. the formal app-linkage "no verification attempted" state; 2985 // and then 'always' in the per-user state actually used for intent resolution. 2986 final IntentFilterVerificationInfo ivi; 2987 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2988 new ArrayList<String>(domains)); 2989 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2990 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2991 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2992 } else { 2993 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2994 + "' does not handle web links"); 2995 } 2996 } else { 2997 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2998 } 2999 } 3000 3001 scheduleWritePackageRestrictionsLocked(userId); 3002 scheduleWriteSettingsLocked(); 3003 } 3004 3005 private void applyFactoryDefaultBrowserLPw(int userId) { 3006 // The default browser app's package name is stored in a string resource, 3007 // with a product-specific overlay used for vendor customization. 3008 String browserPkg = mContext.getResources().getString( 3009 com.android.internal.R.string.default_browser); 3010 if (!TextUtils.isEmpty(browserPkg)) { 3011 // non-empty string => required to be a known package 3012 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3013 if (ps == null) { 3014 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3015 browserPkg = null; 3016 } else { 3017 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3018 } 3019 } 3020 3021 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3022 // default. If there's more than one, just leave everything alone. 3023 if (browserPkg == null) { 3024 calculateDefaultBrowserLPw(userId); 3025 } 3026 } 3027 3028 private void calculateDefaultBrowserLPw(int userId) { 3029 List<String> allBrowsers = resolveAllBrowserApps(userId); 3030 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3031 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3032 } 3033 3034 private List<String> resolveAllBrowserApps(int userId) { 3035 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3036 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3037 PackageManager.MATCH_ALL, userId); 3038 3039 final int count = list.size(); 3040 List<String> result = new ArrayList<String>(count); 3041 for (int i=0; i<count; i++) { 3042 ResolveInfo info = list.get(i); 3043 if (info.activityInfo == null 3044 || !info.handleAllWebDataURI 3045 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3046 || result.contains(info.activityInfo.packageName)) { 3047 continue; 3048 } 3049 result.add(info.activityInfo.packageName); 3050 } 3051 3052 return result; 3053 } 3054 3055 private boolean packageIsBrowser(String packageName, int userId) { 3056 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3057 PackageManager.MATCH_ALL, userId); 3058 final int N = list.size(); 3059 for (int i = 0; i < N; i++) { 3060 ResolveInfo info = list.get(i); 3061 if (packageName.equals(info.activityInfo.packageName)) { 3062 return true; 3063 } 3064 } 3065 return false; 3066 } 3067 3068 private void checkDefaultBrowser() { 3069 final int myUserId = UserHandle.myUserId(); 3070 final String packageName = getDefaultBrowserPackageName(myUserId); 3071 if (packageName != null) { 3072 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3073 if (info == null) { 3074 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3075 synchronized (mPackages) { 3076 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3077 } 3078 } 3079 } 3080 } 3081 3082 @Override 3083 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3084 throws RemoteException { 3085 try { 3086 return super.onTransact(code, data, reply, flags); 3087 } catch (RuntimeException e) { 3088 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3089 Slog.wtf(TAG, "Package Manager Crash", e); 3090 } 3091 throw e; 3092 } 3093 } 3094 3095 static int[] appendInts(int[] cur, int[] add) { 3096 if (add == null) return cur; 3097 if (cur == null) return add; 3098 final int N = add.length; 3099 for (int i=0; i<N; i++) { 3100 cur = appendInt(cur, add[i]); 3101 } 3102 return cur; 3103 } 3104 3105 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3106 if (!sUserManager.exists(userId)) return null; 3107 if (ps == null) { 3108 return null; 3109 } 3110 final PackageParser.Package p = ps.pkg; 3111 if (p == null) { 3112 return null; 3113 } 3114 3115 final PermissionsState permissionsState = ps.getPermissionsState(); 3116 3117 final int[] gids = permissionsState.computeGids(userId); 3118 final Set<String> permissions = permissionsState.getPermissions(userId); 3119 final PackageUserState state = ps.readUserState(userId); 3120 3121 return PackageParser.generatePackageInfo(p, gids, flags, 3122 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3123 } 3124 3125 @Override 3126 public void checkPackageStartable(String packageName, int userId) { 3127 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3128 3129 synchronized (mPackages) { 3130 final PackageSetting ps = mSettings.mPackages.get(packageName); 3131 if (ps == null) { 3132 throw new SecurityException("Package " + packageName + " was not found!"); 3133 } 3134 3135 if (!ps.getInstalled(userId)) { 3136 throw new SecurityException( 3137 "Package " + packageName + " was not installed for user " + userId + "!"); 3138 } 3139 3140 if (mSafeMode && !ps.isSystem()) { 3141 throw new SecurityException("Package " + packageName + " not a system app!"); 3142 } 3143 3144 if (mFrozenPackages.contains(packageName)) { 3145 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3146 } 3147 3148 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3149 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3150 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3151 } 3152 } 3153 } 3154 3155 @Override 3156 public boolean isPackageAvailable(String packageName, int userId) { 3157 if (!sUserManager.exists(userId)) return false; 3158 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3159 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3160 synchronized (mPackages) { 3161 PackageParser.Package p = mPackages.get(packageName); 3162 if (p != null) { 3163 final PackageSetting ps = (PackageSetting) p.mExtras; 3164 if (ps != null) { 3165 final PackageUserState state = ps.readUserState(userId); 3166 if (state != null) { 3167 return PackageParser.isAvailable(state); 3168 } 3169 } 3170 } 3171 } 3172 return false; 3173 } 3174 3175 @Override 3176 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3177 if (!sUserManager.exists(userId)) return null; 3178 flags = updateFlagsForPackage(flags, userId, packageName); 3179 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3180 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3181 // reader 3182 synchronized (mPackages) { 3183 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3184 PackageParser.Package p = null; 3185 if (matchFactoryOnly) { 3186 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3187 if (ps != null) { 3188 return generatePackageInfo(ps, flags, userId); 3189 } 3190 } 3191 if (p == null) { 3192 p = mPackages.get(packageName); 3193 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3194 return null; 3195 } 3196 } 3197 if (DEBUG_PACKAGE_INFO) 3198 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3199 if (p != null) { 3200 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3201 } 3202 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3203 final PackageSetting ps = mSettings.mPackages.get(packageName); 3204 return generatePackageInfo(ps, flags, userId); 3205 } 3206 } 3207 return null; 3208 } 3209 3210 @Override 3211 public String[] currentToCanonicalPackageNames(String[] names) { 3212 String[] out = new String[names.length]; 3213 // reader 3214 synchronized (mPackages) { 3215 for (int i=names.length-1; i>=0; i--) { 3216 PackageSetting ps = mSettings.mPackages.get(names[i]); 3217 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3218 } 3219 } 3220 return out; 3221 } 3222 3223 @Override 3224 public String[] canonicalToCurrentPackageNames(String[] names) { 3225 String[] out = new String[names.length]; 3226 // reader 3227 synchronized (mPackages) { 3228 for (int i=names.length-1; i>=0; i--) { 3229 String cur = mSettings.mRenamedPackages.get(names[i]); 3230 out[i] = cur != null ? cur : names[i]; 3231 } 3232 } 3233 return out; 3234 } 3235 3236 @Override 3237 public int getPackageUid(String packageName, int flags, int userId) { 3238 if (!sUserManager.exists(userId)) return -1; 3239 flags = updateFlagsForPackage(flags, userId, packageName); 3240 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3241 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3242 3243 // reader 3244 synchronized (mPackages) { 3245 final PackageParser.Package p = mPackages.get(packageName); 3246 if (p != null && p.isMatch(flags)) { 3247 return UserHandle.getUid(userId, p.applicationInfo.uid); 3248 } 3249 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3250 final PackageSetting ps = mSettings.mPackages.get(packageName); 3251 if (ps != null && ps.isMatch(flags)) { 3252 return UserHandle.getUid(userId, ps.appId); 3253 } 3254 } 3255 } 3256 3257 return -1; 3258 } 3259 3260 @Override 3261 public int[] getPackageGids(String packageName, int flags, int userId) { 3262 if (!sUserManager.exists(userId)) return null; 3263 flags = updateFlagsForPackage(flags, userId, packageName); 3264 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3265 false /* requireFullPermission */, false /* checkShell */, 3266 "getPackageGids"); 3267 3268 // reader 3269 synchronized (mPackages) { 3270 final PackageParser.Package p = mPackages.get(packageName); 3271 if (p != null && p.isMatch(flags)) { 3272 PackageSetting ps = (PackageSetting) p.mExtras; 3273 return ps.getPermissionsState().computeGids(userId); 3274 } 3275 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3276 final PackageSetting ps = mSettings.mPackages.get(packageName); 3277 if (ps != null && ps.isMatch(flags)) { 3278 return ps.getPermissionsState().computeGids(userId); 3279 } 3280 } 3281 } 3282 3283 return null; 3284 } 3285 3286 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3287 if (bp.perm != null) { 3288 return PackageParser.generatePermissionInfo(bp.perm, flags); 3289 } 3290 PermissionInfo pi = new PermissionInfo(); 3291 pi.name = bp.name; 3292 pi.packageName = bp.sourcePackage; 3293 pi.nonLocalizedLabel = bp.name; 3294 pi.protectionLevel = bp.protectionLevel; 3295 return pi; 3296 } 3297 3298 @Override 3299 public PermissionInfo getPermissionInfo(String name, int flags) { 3300 // reader 3301 synchronized (mPackages) { 3302 final BasePermission p = mSettings.mPermissions.get(name); 3303 if (p != null) { 3304 return generatePermissionInfo(p, flags); 3305 } 3306 return null; 3307 } 3308 } 3309 3310 @Override 3311 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3312 int flags) { 3313 // reader 3314 synchronized (mPackages) { 3315 if (group != null && !mPermissionGroups.containsKey(group)) { 3316 // This is thrown as NameNotFoundException 3317 return null; 3318 } 3319 3320 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3321 for (BasePermission p : mSettings.mPermissions.values()) { 3322 if (group == null) { 3323 if (p.perm == null || p.perm.info.group == null) { 3324 out.add(generatePermissionInfo(p, flags)); 3325 } 3326 } else { 3327 if (p.perm != null && group.equals(p.perm.info.group)) { 3328 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3329 } 3330 } 3331 } 3332 return new ParceledListSlice<>(out); 3333 } 3334 } 3335 3336 @Override 3337 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3338 // reader 3339 synchronized (mPackages) { 3340 return PackageParser.generatePermissionGroupInfo( 3341 mPermissionGroups.get(name), flags); 3342 } 3343 } 3344 3345 @Override 3346 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3347 // reader 3348 synchronized (mPackages) { 3349 final int N = mPermissionGroups.size(); 3350 ArrayList<PermissionGroupInfo> out 3351 = new ArrayList<PermissionGroupInfo>(N); 3352 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3353 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3354 } 3355 return new ParceledListSlice<>(out); 3356 } 3357 } 3358 3359 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3360 int userId) { 3361 if (!sUserManager.exists(userId)) return null; 3362 PackageSetting ps = mSettings.mPackages.get(packageName); 3363 if (ps != null) { 3364 if (ps.pkg == null) { 3365 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3366 if (pInfo != null) { 3367 return pInfo.applicationInfo; 3368 } 3369 return null; 3370 } 3371 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3372 ps.readUserState(userId), userId); 3373 } 3374 return null; 3375 } 3376 3377 @Override 3378 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3379 if (!sUserManager.exists(userId)) return null; 3380 flags = updateFlagsForApplication(flags, userId, packageName); 3381 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3382 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3383 // writer 3384 synchronized (mPackages) { 3385 PackageParser.Package p = mPackages.get(packageName); 3386 if (DEBUG_PACKAGE_INFO) Log.v( 3387 TAG, "getApplicationInfo " + packageName 3388 + ": " + p); 3389 if (p != null) { 3390 PackageSetting ps = mSettings.mPackages.get(packageName); 3391 if (ps == null) return null; 3392 // Note: isEnabledLP() does not apply here - always return info 3393 return PackageParser.generateApplicationInfo( 3394 p, flags, ps.readUserState(userId), userId); 3395 } 3396 if ("android".equals(packageName)||"system".equals(packageName)) { 3397 return mAndroidApplication; 3398 } 3399 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3400 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3401 } 3402 } 3403 return null; 3404 } 3405 3406 @Override 3407 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3408 final IPackageDataObserver observer) { 3409 mContext.enforceCallingOrSelfPermission( 3410 android.Manifest.permission.CLEAR_APP_CACHE, null); 3411 // Queue up an async operation since clearing cache may take a little while. 3412 mHandler.post(new Runnable() { 3413 public void run() { 3414 mHandler.removeCallbacks(this); 3415 boolean success = true; 3416 synchronized (mInstallLock) { 3417 try { 3418 mInstaller.freeCache(volumeUuid, freeStorageSize); 3419 } catch (InstallerException e) { 3420 Slog.w(TAG, "Couldn't clear application caches: " + e); 3421 success = false; 3422 } 3423 } 3424 if (observer != null) { 3425 try { 3426 observer.onRemoveCompleted(null, success); 3427 } catch (RemoteException e) { 3428 Slog.w(TAG, "RemoveException when invoking call back"); 3429 } 3430 } 3431 } 3432 }); 3433 } 3434 3435 @Override 3436 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3437 final IntentSender pi) { 3438 mContext.enforceCallingOrSelfPermission( 3439 android.Manifest.permission.CLEAR_APP_CACHE, null); 3440 // Queue up an async operation since clearing cache may take a little while. 3441 mHandler.post(new Runnable() { 3442 public void run() { 3443 mHandler.removeCallbacks(this); 3444 boolean success = true; 3445 synchronized (mInstallLock) { 3446 try { 3447 mInstaller.freeCache(volumeUuid, freeStorageSize); 3448 } catch (InstallerException e) { 3449 Slog.w(TAG, "Couldn't clear application caches: " + e); 3450 success = false; 3451 } 3452 } 3453 if(pi != null) { 3454 try { 3455 // Callback via pending intent 3456 int code = success ? 1 : 0; 3457 pi.sendIntent(null, code, null, 3458 null, null); 3459 } catch (SendIntentException e1) { 3460 Slog.i(TAG, "Failed to send pending intent"); 3461 } 3462 } 3463 } 3464 }); 3465 } 3466 3467 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3468 synchronized (mInstallLock) { 3469 try { 3470 mInstaller.freeCache(volumeUuid, freeStorageSize); 3471 } catch (InstallerException e) { 3472 throw new IOException("Failed to free enough space", e); 3473 } 3474 } 3475 } 3476 3477 /** 3478 * Update given flags based on encryption status of current user. 3479 */ 3480 private int updateFlags(int flags, int userId) { 3481 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3482 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3483 // Caller expressed an explicit opinion about what encryption 3484 // aware/unaware components they want to see, so fall through and 3485 // give them what they want 3486 } else { 3487 // Caller expressed no opinion, so match based on user state 3488 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3489 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3490 } else { 3491 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3492 } 3493 } 3494 return flags; 3495 } 3496 3497 private UserManagerInternal getUserManagerInternal() { 3498 if (mUserManagerInternal == null) { 3499 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3500 } 3501 return mUserManagerInternal; 3502 } 3503 3504 /** 3505 * Update given flags when being used to request {@link PackageInfo}. 3506 */ 3507 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3508 boolean triaged = true; 3509 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3510 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3511 // Caller is asking for component details, so they'd better be 3512 // asking for specific encryption matching behavior, or be triaged 3513 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3514 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3515 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3516 triaged = false; 3517 } 3518 } 3519 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3520 | PackageManager.MATCH_SYSTEM_ONLY 3521 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3522 triaged = false; 3523 } 3524 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3525 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3526 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3527 } 3528 return updateFlags(flags, userId); 3529 } 3530 3531 /** 3532 * Update given flags when being used to request {@link ApplicationInfo}. 3533 */ 3534 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3535 return updateFlagsForPackage(flags, userId, cookie); 3536 } 3537 3538 /** 3539 * Update given flags when being used to request {@link ComponentInfo}. 3540 */ 3541 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3542 if (cookie instanceof Intent) { 3543 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3544 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3545 } 3546 } 3547 3548 boolean triaged = true; 3549 // Caller is asking for component details, so they'd better be 3550 // asking for specific encryption matching behavior, or be triaged 3551 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3552 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3553 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3554 triaged = false; 3555 } 3556 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3557 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3558 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3559 } 3560 3561 return updateFlags(flags, userId); 3562 } 3563 3564 /** 3565 * Update given flags when being used to request {@link ResolveInfo}. 3566 */ 3567 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3568 // Safe mode means we shouldn't match any third-party components 3569 if (mSafeMode) { 3570 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3571 } 3572 3573 return updateFlagsForComponent(flags, userId, cookie); 3574 } 3575 3576 @Override 3577 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3578 if (!sUserManager.exists(userId)) return null; 3579 flags = updateFlagsForComponent(flags, userId, component); 3580 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3581 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3582 synchronized (mPackages) { 3583 PackageParser.Activity a = mActivities.mActivities.get(component); 3584 3585 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3586 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3587 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3588 if (ps == null) return null; 3589 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3590 userId); 3591 } 3592 if (mResolveComponentName.equals(component)) { 3593 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3594 new PackageUserState(), userId); 3595 } 3596 } 3597 return null; 3598 } 3599 3600 @Override 3601 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3602 String resolvedType) { 3603 synchronized (mPackages) { 3604 if (component.equals(mResolveComponentName)) { 3605 // The resolver supports EVERYTHING! 3606 return true; 3607 } 3608 PackageParser.Activity a = mActivities.mActivities.get(component); 3609 if (a == null) { 3610 return false; 3611 } 3612 for (int i=0; i<a.intents.size(); i++) { 3613 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3614 intent.getData(), intent.getCategories(), TAG) >= 0) { 3615 return true; 3616 } 3617 } 3618 return false; 3619 } 3620 } 3621 3622 @Override 3623 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3624 if (!sUserManager.exists(userId)) return null; 3625 flags = updateFlagsForComponent(flags, userId, component); 3626 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3627 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3628 synchronized (mPackages) { 3629 PackageParser.Activity a = mReceivers.mActivities.get(component); 3630 if (DEBUG_PACKAGE_INFO) Log.v( 3631 TAG, "getReceiverInfo " + component + ": " + a); 3632 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3633 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3634 if (ps == null) return null; 3635 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3636 userId); 3637 } 3638 } 3639 return null; 3640 } 3641 3642 @Override 3643 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3644 if (!sUserManager.exists(userId)) return null; 3645 flags = updateFlagsForComponent(flags, userId, component); 3646 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3647 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3648 synchronized (mPackages) { 3649 PackageParser.Service s = mServices.mServices.get(component); 3650 if (DEBUG_PACKAGE_INFO) Log.v( 3651 TAG, "getServiceInfo " + component + ": " + s); 3652 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3653 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3654 if (ps == null) return null; 3655 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3656 userId); 3657 } 3658 } 3659 return null; 3660 } 3661 3662 @Override 3663 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3664 if (!sUserManager.exists(userId)) return null; 3665 flags = updateFlagsForComponent(flags, userId, component); 3666 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3667 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3668 synchronized (mPackages) { 3669 PackageParser.Provider p = mProviders.mProviders.get(component); 3670 if (DEBUG_PACKAGE_INFO) Log.v( 3671 TAG, "getProviderInfo " + component + ": " + p); 3672 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3673 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3674 if (ps == null) return null; 3675 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3676 userId); 3677 } 3678 } 3679 return null; 3680 } 3681 3682 @Override 3683 public String[] getSystemSharedLibraryNames() { 3684 Set<String> libSet; 3685 synchronized (mPackages) { 3686 libSet = mSharedLibraries.keySet(); 3687 int size = libSet.size(); 3688 if (size > 0) { 3689 String[] libs = new String[size]; 3690 libSet.toArray(libs); 3691 return libs; 3692 } 3693 } 3694 return null; 3695 } 3696 3697 @Override 3698 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3699 synchronized (mPackages) { 3700 return mServicesSystemSharedLibraryPackageName; 3701 } 3702 } 3703 3704 @Override 3705 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3706 synchronized (mPackages) { 3707 return mSharedSystemSharedLibraryPackageName; 3708 } 3709 } 3710 3711 @Override 3712 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3713 synchronized (mPackages) { 3714 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3715 3716 final FeatureInfo fi = new FeatureInfo(); 3717 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3718 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3719 res.add(fi); 3720 3721 return new ParceledListSlice<>(res); 3722 } 3723 } 3724 3725 @Override 3726 public boolean hasSystemFeature(String name, int version) { 3727 synchronized (mPackages) { 3728 final FeatureInfo feat = mAvailableFeatures.get(name); 3729 if (feat == null) { 3730 return false; 3731 } else { 3732 return feat.version >= version; 3733 } 3734 } 3735 } 3736 3737 @Override 3738 public int checkPermission(String permName, String pkgName, int userId) { 3739 if (!sUserManager.exists(userId)) { 3740 return PackageManager.PERMISSION_DENIED; 3741 } 3742 3743 synchronized (mPackages) { 3744 final PackageParser.Package p = mPackages.get(pkgName); 3745 if (p != null && p.mExtras != null) { 3746 final PackageSetting ps = (PackageSetting) p.mExtras; 3747 final PermissionsState permissionsState = ps.getPermissionsState(); 3748 if (permissionsState.hasPermission(permName, userId)) { 3749 return PackageManager.PERMISSION_GRANTED; 3750 } 3751 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3752 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3753 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3754 return PackageManager.PERMISSION_GRANTED; 3755 } 3756 } 3757 } 3758 3759 return PackageManager.PERMISSION_DENIED; 3760 } 3761 3762 @Override 3763 public int checkUidPermission(String permName, int uid) { 3764 final int userId = UserHandle.getUserId(uid); 3765 3766 if (!sUserManager.exists(userId)) { 3767 return PackageManager.PERMISSION_DENIED; 3768 } 3769 3770 synchronized (mPackages) { 3771 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3772 if (obj != null) { 3773 final SettingBase ps = (SettingBase) obj; 3774 final PermissionsState permissionsState = ps.getPermissionsState(); 3775 if (permissionsState.hasPermission(permName, userId)) { 3776 return PackageManager.PERMISSION_GRANTED; 3777 } 3778 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3779 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3780 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3781 return PackageManager.PERMISSION_GRANTED; 3782 } 3783 } else { 3784 ArraySet<String> perms = mSystemPermissions.get(uid); 3785 if (perms != null) { 3786 if (perms.contains(permName)) { 3787 return PackageManager.PERMISSION_GRANTED; 3788 } 3789 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3790 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3791 return PackageManager.PERMISSION_GRANTED; 3792 } 3793 } 3794 } 3795 } 3796 3797 return PackageManager.PERMISSION_DENIED; 3798 } 3799 3800 @Override 3801 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3802 if (UserHandle.getCallingUserId() != userId) { 3803 mContext.enforceCallingPermission( 3804 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3805 "isPermissionRevokedByPolicy for user " + userId); 3806 } 3807 3808 if (checkPermission(permission, packageName, userId) 3809 == PackageManager.PERMISSION_GRANTED) { 3810 return false; 3811 } 3812 3813 final long identity = Binder.clearCallingIdentity(); 3814 try { 3815 final int flags = getPermissionFlags(permission, packageName, userId); 3816 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3817 } finally { 3818 Binder.restoreCallingIdentity(identity); 3819 } 3820 } 3821 3822 @Override 3823 public String getPermissionControllerPackageName() { 3824 synchronized (mPackages) { 3825 return mRequiredInstallerPackage; 3826 } 3827 } 3828 3829 /** 3830 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3831 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3832 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3833 * @param message the message to log on security exception 3834 */ 3835 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3836 boolean checkShell, String message) { 3837 if (userId < 0) { 3838 throw new IllegalArgumentException("Invalid userId " + userId); 3839 } 3840 if (checkShell) { 3841 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3842 } 3843 if (userId == UserHandle.getUserId(callingUid)) return; 3844 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3845 if (requireFullPermission) { 3846 mContext.enforceCallingOrSelfPermission( 3847 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3848 } else { 3849 try { 3850 mContext.enforceCallingOrSelfPermission( 3851 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3852 } catch (SecurityException se) { 3853 mContext.enforceCallingOrSelfPermission( 3854 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3855 } 3856 } 3857 } 3858 } 3859 3860 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3861 if (callingUid == Process.SHELL_UID) { 3862 if (userHandle >= 0 3863 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3864 throw new SecurityException("Shell does not have permission to access user " 3865 + userHandle); 3866 } else if (userHandle < 0) { 3867 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3868 + Debug.getCallers(3)); 3869 } 3870 } 3871 } 3872 3873 private BasePermission findPermissionTreeLP(String permName) { 3874 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3875 if (permName.startsWith(bp.name) && 3876 permName.length() > bp.name.length() && 3877 permName.charAt(bp.name.length()) == '.') { 3878 return bp; 3879 } 3880 } 3881 return null; 3882 } 3883 3884 private BasePermission checkPermissionTreeLP(String permName) { 3885 if (permName != null) { 3886 BasePermission bp = findPermissionTreeLP(permName); 3887 if (bp != null) { 3888 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3889 return bp; 3890 } 3891 throw new SecurityException("Calling uid " 3892 + Binder.getCallingUid() 3893 + " is not allowed to add to permission tree " 3894 + bp.name + " owned by uid " + bp.uid); 3895 } 3896 } 3897 throw new SecurityException("No permission tree found for " + permName); 3898 } 3899 3900 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3901 if (s1 == null) { 3902 return s2 == null; 3903 } 3904 if (s2 == null) { 3905 return false; 3906 } 3907 if (s1.getClass() != s2.getClass()) { 3908 return false; 3909 } 3910 return s1.equals(s2); 3911 } 3912 3913 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3914 if (pi1.icon != pi2.icon) return false; 3915 if (pi1.logo != pi2.logo) return false; 3916 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3917 if (!compareStrings(pi1.name, pi2.name)) return false; 3918 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3919 // We'll take care of setting this one. 3920 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3921 // These are not currently stored in settings. 3922 //if (!compareStrings(pi1.group, pi2.group)) return false; 3923 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3924 //if (pi1.labelRes != pi2.labelRes) return false; 3925 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3926 return true; 3927 } 3928 3929 int permissionInfoFootprint(PermissionInfo info) { 3930 int size = info.name.length(); 3931 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3932 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3933 return size; 3934 } 3935 3936 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3937 int size = 0; 3938 for (BasePermission perm : mSettings.mPermissions.values()) { 3939 if (perm.uid == tree.uid) { 3940 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3941 } 3942 } 3943 return size; 3944 } 3945 3946 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3947 // We calculate the max size of permissions defined by this uid and throw 3948 // if that plus the size of 'info' would exceed our stated maximum. 3949 if (tree.uid != Process.SYSTEM_UID) { 3950 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3951 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3952 throw new SecurityException("Permission tree size cap exceeded"); 3953 } 3954 } 3955 } 3956 3957 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3958 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3959 throw new SecurityException("Label must be specified in permission"); 3960 } 3961 BasePermission tree = checkPermissionTreeLP(info.name); 3962 BasePermission bp = mSettings.mPermissions.get(info.name); 3963 boolean added = bp == null; 3964 boolean changed = true; 3965 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3966 if (added) { 3967 enforcePermissionCapLocked(info, tree); 3968 bp = new BasePermission(info.name, tree.sourcePackage, 3969 BasePermission.TYPE_DYNAMIC); 3970 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3971 throw new SecurityException( 3972 "Not allowed to modify non-dynamic permission " 3973 + info.name); 3974 } else { 3975 if (bp.protectionLevel == fixedLevel 3976 && bp.perm.owner.equals(tree.perm.owner) 3977 && bp.uid == tree.uid 3978 && comparePermissionInfos(bp.perm.info, info)) { 3979 changed = false; 3980 } 3981 } 3982 bp.protectionLevel = fixedLevel; 3983 info = new PermissionInfo(info); 3984 info.protectionLevel = fixedLevel; 3985 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3986 bp.perm.info.packageName = tree.perm.info.packageName; 3987 bp.uid = tree.uid; 3988 if (added) { 3989 mSettings.mPermissions.put(info.name, bp); 3990 } 3991 if (changed) { 3992 if (!async) { 3993 mSettings.writeLPr(); 3994 } else { 3995 scheduleWriteSettingsLocked(); 3996 } 3997 } 3998 return added; 3999 } 4000 4001 @Override 4002 public boolean addPermission(PermissionInfo info) { 4003 synchronized (mPackages) { 4004 return addPermissionLocked(info, false); 4005 } 4006 } 4007 4008 @Override 4009 public boolean addPermissionAsync(PermissionInfo info) { 4010 synchronized (mPackages) { 4011 return addPermissionLocked(info, true); 4012 } 4013 } 4014 4015 @Override 4016 public void removePermission(String name) { 4017 synchronized (mPackages) { 4018 checkPermissionTreeLP(name); 4019 BasePermission bp = mSettings.mPermissions.get(name); 4020 if (bp != null) { 4021 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4022 throw new SecurityException( 4023 "Not allowed to modify non-dynamic permission " 4024 + name); 4025 } 4026 mSettings.mPermissions.remove(name); 4027 mSettings.writeLPr(); 4028 } 4029 } 4030 } 4031 4032 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4033 BasePermission bp) { 4034 int index = pkg.requestedPermissions.indexOf(bp.name); 4035 if (index == -1) { 4036 throw new SecurityException("Package " + pkg.packageName 4037 + " has not requested permission " + bp.name); 4038 } 4039 if (!bp.isRuntime() && !bp.isDevelopment()) { 4040 throw new SecurityException("Permission " + bp.name 4041 + " is not a changeable permission type"); 4042 } 4043 } 4044 4045 @Override 4046 public void grantRuntimePermission(String packageName, String name, final int userId) { 4047 if (!sUserManager.exists(userId)) { 4048 Log.e(TAG, "No such user:" + userId); 4049 return; 4050 } 4051 4052 mContext.enforceCallingOrSelfPermission( 4053 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4054 "grantRuntimePermission"); 4055 4056 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4057 true /* requireFullPermission */, true /* checkShell */, 4058 "grantRuntimePermission"); 4059 4060 final int uid; 4061 final SettingBase sb; 4062 4063 synchronized (mPackages) { 4064 final PackageParser.Package pkg = mPackages.get(packageName); 4065 if (pkg == null) { 4066 throw new IllegalArgumentException("Unknown package: " + packageName); 4067 } 4068 4069 final BasePermission bp = mSettings.mPermissions.get(name); 4070 if (bp == null) { 4071 throw new IllegalArgumentException("Unknown permission: " + name); 4072 } 4073 4074 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4075 4076 // If a permission review is required for legacy apps we represent 4077 // their permissions as always granted runtime ones since we need 4078 // to keep the review required permission flag per user while an 4079 // install permission's state is shared across all users. 4080 if (Build.PERMISSIONS_REVIEW_REQUIRED 4081 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4082 && bp.isRuntime()) { 4083 return; 4084 } 4085 4086 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4087 sb = (SettingBase) pkg.mExtras; 4088 if (sb == null) { 4089 throw new IllegalArgumentException("Unknown package: " + packageName); 4090 } 4091 4092 final PermissionsState permissionsState = sb.getPermissionsState(); 4093 4094 final int flags = permissionsState.getPermissionFlags(name, userId); 4095 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4096 throw new SecurityException("Cannot grant system fixed permission " 4097 + name + " for package " + packageName); 4098 } 4099 4100 if (bp.isDevelopment()) { 4101 // Development permissions must be handled specially, since they are not 4102 // normal runtime permissions. For now they apply to all users. 4103 if (permissionsState.grantInstallPermission(bp) != 4104 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4105 scheduleWriteSettingsLocked(); 4106 } 4107 return; 4108 } 4109 4110 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4111 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4112 return; 4113 } 4114 4115 final int result = permissionsState.grantRuntimePermission(bp, userId); 4116 switch (result) { 4117 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4118 return; 4119 } 4120 4121 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4122 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4123 mHandler.post(new Runnable() { 4124 @Override 4125 public void run() { 4126 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4127 } 4128 }); 4129 } 4130 break; 4131 } 4132 4133 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4134 4135 // Not critical if that is lost - app has to request again. 4136 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4137 } 4138 4139 // Only need to do this if user is initialized. Otherwise it's a new user 4140 // and there are no processes running as the user yet and there's no need 4141 // to make an expensive call to remount processes for the changed permissions. 4142 if (READ_EXTERNAL_STORAGE.equals(name) 4143 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4144 final long token = Binder.clearCallingIdentity(); 4145 try { 4146 if (sUserManager.isInitialized(userId)) { 4147 MountServiceInternal mountServiceInternal = LocalServices.getService( 4148 MountServiceInternal.class); 4149 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4150 } 4151 } finally { 4152 Binder.restoreCallingIdentity(token); 4153 } 4154 } 4155 } 4156 4157 @Override 4158 public void revokeRuntimePermission(String packageName, String name, int userId) { 4159 if (!sUserManager.exists(userId)) { 4160 Log.e(TAG, "No such user:" + userId); 4161 return; 4162 } 4163 4164 mContext.enforceCallingOrSelfPermission( 4165 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4166 "revokeRuntimePermission"); 4167 4168 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4169 true /* requireFullPermission */, true /* checkShell */, 4170 "revokeRuntimePermission"); 4171 4172 final int appId; 4173 4174 synchronized (mPackages) { 4175 final PackageParser.Package pkg = mPackages.get(packageName); 4176 if (pkg == null) { 4177 throw new IllegalArgumentException("Unknown package: " + packageName); 4178 } 4179 4180 final BasePermission bp = mSettings.mPermissions.get(name); 4181 if (bp == null) { 4182 throw new IllegalArgumentException("Unknown permission: " + name); 4183 } 4184 4185 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4186 4187 // If a permission review is required for legacy apps we represent 4188 // their permissions as always granted runtime ones since we need 4189 // to keep the review required permission flag per user while an 4190 // install permission's state is shared across all users. 4191 if (Build.PERMISSIONS_REVIEW_REQUIRED 4192 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4193 && bp.isRuntime()) { 4194 return; 4195 } 4196 4197 SettingBase sb = (SettingBase) pkg.mExtras; 4198 if (sb == null) { 4199 throw new IllegalArgumentException("Unknown package: " + packageName); 4200 } 4201 4202 final PermissionsState permissionsState = sb.getPermissionsState(); 4203 4204 final int flags = permissionsState.getPermissionFlags(name, userId); 4205 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4206 throw new SecurityException("Cannot revoke system fixed permission " 4207 + name + " for package " + packageName); 4208 } 4209 4210 if (bp.isDevelopment()) { 4211 // Development permissions must be handled specially, since they are not 4212 // normal runtime permissions. For now they apply to all users. 4213 if (permissionsState.revokeInstallPermission(bp) != 4214 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4215 scheduleWriteSettingsLocked(); 4216 } 4217 return; 4218 } 4219 4220 if (permissionsState.revokeRuntimePermission(bp, userId) == 4221 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4222 return; 4223 } 4224 4225 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4226 4227 // Critical, after this call app should never have the permission. 4228 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4229 4230 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4231 } 4232 4233 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4234 } 4235 4236 @Override 4237 public void resetRuntimePermissions() { 4238 mContext.enforceCallingOrSelfPermission( 4239 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4240 "revokeRuntimePermission"); 4241 4242 int callingUid = Binder.getCallingUid(); 4243 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4244 mContext.enforceCallingOrSelfPermission( 4245 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4246 "resetRuntimePermissions"); 4247 } 4248 4249 synchronized (mPackages) { 4250 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4251 for (int userId : UserManagerService.getInstance().getUserIds()) { 4252 final int packageCount = mPackages.size(); 4253 for (int i = 0; i < packageCount; i++) { 4254 PackageParser.Package pkg = mPackages.valueAt(i); 4255 if (!(pkg.mExtras instanceof PackageSetting)) { 4256 continue; 4257 } 4258 PackageSetting ps = (PackageSetting) pkg.mExtras; 4259 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4260 } 4261 } 4262 } 4263 } 4264 4265 @Override 4266 public int getPermissionFlags(String name, String packageName, int userId) { 4267 if (!sUserManager.exists(userId)) { 4268 return 0; 4269 } 4270 4271 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4272 4273 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4274 true /* requireFullPermission */, false /* checkShell */, 4275 "getPermissionFlags"); 4276 4277 synchronized (mPackages) { 4278 final PackageParser.Package pkg = mPackages.get(packageName); 4279 if (pkg == null) { 4280 return 0; 4281 } 4282 4283 final BasePermission bp = mSettings.mPermissions.get(name); 4284 if (bp == null) { 4285 return 0; 4286 } 4287 4288 SettingBase sb = (SettingBase) pkg.mExtras; 4289 if (sb == null) { 4290 return 0; 4291 } 4292 4293 PermissionsState permissionsState = sb.getPermissionsState(); 4294 return permissionsState.getPermissionFlags(name, userId); 4295 } 4296 } 4297 4298 @Override 4299 public void updatePermissionFlags(String name, String packageName, int flagMask, 4300 int flagValues, int userId) { 4301 if (!sUserManager.exists(userId)) { 4302 return; 4303 } 4304 4305 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4306 4307 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4308 true /* requireFullPermission */, true /* checkShell */, 4309 "updatePermissionFlags"); 4310 4311 // Only the system can change these flags and nothing else. 4312 if (getCallingUid() != Process.SYSTEM_UID) { 4313 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4314 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4315 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4316 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4317 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4318 } 4319 4320 synchronized (mPackages) { 4321 final PackageParser.Package pkg = mPackages.get(packageName); 4322 if (pkg == null) { 4323 throw new IllegalArgumentException("Unknown package: " + packageName); 4324 } 4325 4326 final BasePermission bp = mSettings.mPermissions.get(name); 4327 if (bp == null) { 4328 throw new IllegalArgumentException("Unknown permission: " + name); 4329 } 4330 4331 SettingBase sb = (SettingBase) pkg.mExtras; 4332 if (sb == null) { 4333 throw new IllegalArgumentException("Unknown package: " + packageName); 4334 } 4335 4336 PermissionsState permissionsState = sb.getPermissionsState(); 4337 4338 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4339 4340 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4341 // Install and runtime permissions are stored in different places, 4342 // so figure out what permission changed and persist the change. 4343 if (permissionsState.getInstallPermissionState(name) != null) { 4344 scheduleWriteSettingsLocked(); 4345 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4346 || hadState) { 4347 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4348 } 4349 } 4350 } 4351 } 4352 4353 /** 4354 * Update the permission flags for all packages and runtime permissions of a user in order 4355 * to allow device or profile owner to remove POLICY_FIXED. 4356 */ 4357 @Override 4358 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4359 if (!sUserManager.exists(userId)) { 4360 return; 4361 } 4362 4363 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4364 4365 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4366 true /* requireFullPermission */, true /* checkShell */, 4367 "updatePermissionFlagsForAllApps"); 4368 4369 // Only the system can change system fixed flags. 4370 if (getCallingUid() != Process.SYSTEM_UID) { 4371 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4372 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4373 } 4374 4375 synchronized (mPackages) { 4376 boolean changed = false; 4377 final int packageCount = mPackages.size(); 4378 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4379 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4380 SettingBase sb = (SettingBase) pkg.mExtras; 4381 if (sb == null) { 4382 continue; 4383 } 4384 PermissionsState permissionsState = sb.getPermissionsState(); 4385 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4386 userId, flagMask, flagValues); 4387 } 4388 if (changed) { 4389 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4390 } 4391 } 4392 } 4393 4394 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4395 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4396 != PackageManager.PERMISSION_GRANTED 4397 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4398 != PackageManager.PERMISSION_GRANTED) { 4399 throw new SecurityException(message + " requires " 4400 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4401 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4402 } 4403 } 4404 4405 @Override 4406 public boolean shouldShowRequestPermissionRationale(String permissionName, 4407 String packageName, int userId) { 4408 if (UserHandle.getCallingUserId() != userId) { 4409 mContext.enforceCallingPermission( 4410 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4411 "canShowRequestPermissionRationale for user " + userId); 4412 } 4413 4414 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4415 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4416 return false; 4417 } 4418 4419 if (checkPermission(permissionName, packageName, userId) 4420 == PackageManager.PERMISSION_GRANTED) { 4421 return false; 4422 } 4423 4424 final int flags; 4425 4426 final long identity = Binder.clearCallingIdentity(); 4427 try { 4428 flags = getPermissionFlags(permissionName, 4429 packageName, userId); 4430 } finally { 4431 Binder.restoreCallingIdentity(identity); 4432 } 4433 4434 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4435 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4436 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4437 4438 if ((flags & fixedFlags) != 0) { 4439 return false; 4440 } 4441 4442 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4443 } 4444 4445 @Override 4446 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4447 mContext.enforceCallingOrSelfPermission( 4448 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4449 "addOnPermissionsChangeListener"); 4450 4451 synchronized (mPackages) { 4452 mOnPermissionChangeListeners.addListenerLocked(listener); 4453 } 4454 } 4455 4456 @Override 4457 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4458 synchronized (mPackages) { 4459 mOnPermissionChangeListeners.removeListenerLocked(listener); 4460 } 4461 } 4462 4463 @Override 4464 public boolean isProtectedBroadcast(String actionName) { 4465 synchronized (mPackages) { 4466 if (mProtectedBroadcasts.contains(actionName)) { 4467 return true; 4468 } else if (actionName != null) { 4469 // TODO: remove these terrible hacks 4470 if (actionName.startsWith("android.net.netmon.lingerExpired") 4471 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4472 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4473 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4474 return true; 4475 } 4476 } 4477 } 4478 return false; 4479 } 4480 4481 @Override 4482 public int checkSignatures(String pkg1, String pkg2) { 4483 synchronized (mPackages) { 4484 final PackageParser.Package p1 = mPackages.get(pkg1); 4485 final PackageParser.Package p2 = mPackages.get(pkg2); 4486 if (p1 == null || p1.mExtras == null 4487 || p2 == null || p2.mExtras == null) { 4488 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4489 } 4490 return compareSignatures(p1.mSignatures, p2.mSignatures); 4491 } 4492 } 4493 4494 @Override 4495 public int checkUidSignatures(int uid1, int uid2) { 4496 // Map to base uids. 4497 uid1 = UserHandle.getAppId(uid1); 4498 uid2 = UserHandle.getAppId(uid2); 4499 // reader 4500 synchronized (mPackages) { 4501 Signature[] s1; 4502 Signature[] s2; 4503 Object obj = mSettings.getUserIdLPr(uid1); 4504 if (obj != null) { 4505 if (obj instanceof SharedUserSetting) { 4506 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4507 } else if (obj instanceof PackageSetting) { 4508 s1 = ((PackageSetting)obj).signatures.mSignatures; 4509 } else { 4510 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4511 } 4512 } else { 4513 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4514 } 4515 obj = mSettings.getUserIdLPr(uid2); 4516 if (obj != null) { 4517 if (obj instanceof SharedUserSetting) { 4518 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4519 } else if (obj instanceof PackageSetting) { 4520 s2 = ((PackageSetting)obj).signatures.mSignatures; 4521 } else { 4522 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4523 } 4524 } else { 4525 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4526 } 4527 return compareSignatures(s1, s2); 4528 } 4529 } 4530 4531 /** 4532 * This method should typically only be used when granting or revoking 4533 * permissions, since the app may immediately restart after this call. 4534 * <p> 4535 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4536 * guard your work against the app being relaunched. 4537 */ 4538 private void killUid(int appId, int userId, String reason) { 4539 final long identity = Binder.clearCallingIdentity(); 4540 try { 4541 IActivityManager am = ActivityManagerNative.getDefault(); 4542 if (am != null) { 4543 try { 4544 am.killUid(appId, userId, reason); 4545 } catch (RemoteException e) { 4546 /* ignore - same process */ 4547 } 4548 } 4549 } finally { 4550 Binder.restoreCallingIdentity(identity); 4551 } 4552 } 4553 4554 /** 4555 * Compares two sets of signatures. Returns: 4556 * <br /> 4557 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4558 * <br /> 4559 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4560 * <br /> 4561 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4562 * <br /> 4563 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4564 * <br /> 4565 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4566 */ 4567 static int compareSignatures(Signature[] s1, Signature[] s2) { 4568 if (s1 == null) { 4569 return s2 == null 4570 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4571 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4572 } 4573 4574 if (s2 == null) { 4575 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4576 } 4577 4578 if (s1.length != s2.length) { 4579 return PackageManager.SIGNATURE_NO_MATCH; 4580 } 4581 4582 // Since both signature sets are of size 1, we can compare without HashSets. 4583 if (s1.length == 1) { 4584 return s1[0].equals(s2[0]) ? 4585 PackageManager.SIGNATURE_MATCH : 4586 PackageManager.SIGNATURE_NO_MATCH; 4587 } 4588 4589 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4590 for (Signature sig : s1) { 4591 set1.add(sig); 4592 } 4593 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4594 for (Signature sig : s2) { 4595 set2.add(sig); 4596 } 4597 // Make sure s2 contains all signatures in s1. 4598 if (set1.equals(set2)) { 4599 return PackageManager.SIGNATURE_MATCH; 4600 } 4601 return PackageManager.SIGNATURE_NO_MATCH; 4602 } 4603 4604 /** 4605 * If the database version for this type of package (internal storage or 4606 * external storage) is less than the version where package signatures 4607 * were updated, return true. 4608 */ 4609 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4610 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4611 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4612 } 4613 4614 /** 4615 * Used for backward compatibility to make sure any packages with 4616 * certificate chains get upgraded to the new style. {@code existingSigs} 4617 * will be in the old format (since they were stored on disk from before the 4618 * system upgrade) and {@code scannedSigs} will be in the newer format. 4619 */ 4620 private int compareSignaturesCompat(PackageSignatures existingSigs, 4621 PackageParser.Package scannedPkg) { 4622 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4623 return PackageManager.SIGNATURE_NO_MATCH; 4624 } 4625 4626 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4627 for (Signature sig : existingSigs.mSignatures) { 4628 existingSet.add(sig); 4629 } 4630 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4631 for (Signature sig : scannedPkg.mSignatures) { 4632 try { 4633 Signature[] chainSignatures = sig.getChainSignatures(); 4634 for (Signature chainSig : chainSignatures) { 4635 scannedCompatSet.add(chainSig); 4636 } 4637 } catch (CertificateEncodingException e) { 4638 scannedCompatSet.add(sig); 4639 } 4640 } 4641 /* 4642 * Make sure the expanded scanned set contains all signatures in the 4643 * existing one. 4644 */ 4645 if (scannedCompatSet.equals(existingSet)) { 4646 // Migrate the old signatures to the new scheme. 4647 existingSigs.assignSignatures(scannedPkg.mSignatures); 4648 // The new KeySets will be re-added later in the scanning process. 4649 synchronized (mPackages) { 4650 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4651 } 4652 return PackageManager.SIGNATURE_MATCH; 4653 } 4654 return PackageManager.SIGNATURE_NO_MATCH; 4655 } 4656 4657 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4658 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4659 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4660 } 4661 4662 private int compareSignaturesRecover(PackageSignatures existingSigs, 4663 PackageParser.Package scannedPkg) { 4664 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4665 return PackageManager.SIGNATURE_NO_MATCH; 4666 } 4667 4668 String msg = null; 4669 try { 4670 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4671 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4672 + scannedPkg.packageName); 4673 return PackageManager.SIGNATURE_MATCH; 4674 } 4675 } catch (CertificateException e) { 4676 msg = e.getMessage(); 4677 } 4678 4679 logCriticalInfo(Log.INFO, 4680 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4681 return PackageManager.SIGNATURE_NO_MATCH; 4682 } 4683 4684 @Override 4685 public List<String> getAllPackages() { 4686 synchronized (mPackages) { 4687 return new ArrayList<String>(mPackages.keySet()); 4688 } 4689 } 4690 4691 @Override 4692 public String[] getPackagesForUid(int uid) { 4693 uid = UserHandle.getAppId(uid); 4694 // reader 4695 synchronized (mPackages) { 4696 Object obj = mSettings.getUserIdLPr(uid); 4697 if (obj instanceof SharedUserSetting) { 4698 final SharedUserSetting sus = (SharedUserSetting) obj; 4699 final int N = sus.packages.size(); 4700 final String[] res = new String[N]; 4701 final Iterator<PackageSetting> it = sus.packages.iterator(); 4702 int i = 0; 4703 while (it.hasNext()) { 4704 res[i++] = it.next().name; 4705 } 4706 return res; 4707 } else if (obj instanceof PackageSetting) { 4708 final PackageSetting ps = (PackageSetting) obj; 4709 return new String[] { ps.name }; 4710 } 4711 } 4712 return null; 4713 } 4714 4715 @Override 4716 public String getNameForUid(int uid) { 4717 // reader 4718 synchronized (mPackages) { 4719 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4720 if (obj instanceof SharedUserSetting) { 4721 final SharedUserSetting sus = (SharedUserSetting) obj; 4722 return sus.name + ":" + sus.userId; 4723 } else if (obj instanceof PackageSetting) { 4724 final PackageSetting ps = (PackageSetting) obj; 4725 return ps.name; 4726 } 4727 } 4728 return null; 4729 } 4730 4731 @Override 4732 public int getUidForSharedUser(String sharedUserName) { 4733 if(sharedUserName == null) { 4734 return -1; 4735 } 4736 // reader 4737 synchronized (mPackages) { 4738 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4739 if (suid == null) { 4740 return -1; 4741 } 4742 return suid.userId; 4743 } 4744 } 4745 4746 @Override 4747 public int getFlagsForUid(int uid) { 4748 synchronized (mPackages) { 4749 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4750 if (obj instanceof SharedUserSetting) { 4751 final SharedUserSetting sus = (SharedUserSetting) obj; 4752 return sus.pkgFlags; 4753 } else if (obj instanceof PackageSetting) { 4754 final PackageSetting ps = (PackageSetting) obj; 4755 return ps.pkgFlags; 4756 } 4757 } 4758 return 0; 4759 } 4760 4761 @Override 4762 public int getPrivateFlagsForUid(int uid) { 4763 synchronized (mPackages) { 4764 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4765 if (obj instanceof SharedUserSetting) { 4766 final SharedUserSetting sus = (SharedUserSetting) obj; 4767 return sus.pkgPrivateFlags; 4768 } else if (obj instanceof PackageSetting) { 4769 final PackageSetting ps = (PackageSetting) obj; 4770 return ps.pkgPrivateFlags; 4771 } 4772 } 4773 return 0; 4774 } 4775 4776 @Override 4777 public boolean isUidPrivileged(int uid) { 4778 uid = UserHandle.getAppId(uid); 4779 // reader 4780 synchronized (mPackages) { 4781 Object obj = mSettings.getUserIdLPr(uid); 4782 if (obj instanceof SharedUserSetting) { 4783 final SharedUserSetting sus = (SharedUserSetting) obj; 4784 final Iterator<PackageSetting> it = sus.packages.iterator(); 4785 while (it.hasNext()) { 4786 if (it.next().isPrivileged()) { 4787 return true; 4788 } 4789 } 4790 } else if (obj instanceof PackageSetting) { 4791 final PackageSetting ps = (PackageSetting) obj; 4792 return ps.isPrivileged(); 4793 } 4794 } 4795 return false; 4796 } 4797 4798 @Override 4799 public String[] getAppOpPermissionPackages(String permissionName) { 4800 synchronized (mPackages) { 4801 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4802 if (pkgs == null) { 4803 return null; 4804 } 4805 return pkgs.toArray(new String[pkgs.size()]); 4806 } 4807 } 4808 4809 @Override 4810 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4811 int flags, int userId) { 4812 try { 4813 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4814 4815 if (!sUserManager.exists(userId)) return null; 4816 flags = updateFlagsForResolve(flags, userId, intent); 4817 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4818 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4819 4820 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4821 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4822 flags, userId); 4823 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4824 4825 final ResolveInfo bestChoice = 4826 chooseBestActivity(intent, resolvedType, flags, query, userId); 4827 4828 if (isEphemeralAllowed(intent, query, userId)) { 4829 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4830 final EphemeralResolveInfo ai = 4831 getEphemeralResolveInfo(intent, resolvedType, userId); 4832 if (ai != null) { 4833 if (DEBUG_EPHEMERAL) { 4834 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4835 } 4836 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4837 bestChoice.ephemeralResolveInfo = ai; 4838 } 4839 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4840 } 4841 return bestChoice; 4842 } finally { 4843 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4844 } 4845 } 4846 4847 @Override 4848 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4849 IntentFilter filter, int match, ComponentName activity) { 4850 final int userId = UserHandle.getCallingUserId(); 4851 if (DEBUG_PREFERRED) { 4852 Log.v(TAG, "setLastChosenActivity intent=" + intent 4853 + " resolvedType=" + resolvedType 4854 + " flags=" + flags 4855 + " filter=" + filter 4856 + " match=" + match 4857 + " activity=" + activity); 4858 filter.dump(new PrintStreamPrinter(System.out), " "); 4859 } 4860 intent.setComponent(null); 4861 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4862 userId); 4863 // Find any earlier preferred or last chosen entries and nuke them 4864 findPreferredActivity(intent, resolvedType, 4865 flags, query, 0, false, true, false, userId); 4866 // Add the new activity as the last chosen for this filter 4867 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4868 "Setting last chosen"); 4869 } 4870 4871 @Override 4872 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4873 final int userId = UserHandle.getCallingUserId(); 4874 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4875 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4876 userId); 4877 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4878 false, false, false, userId); 4879 } 4880 4881 4882 private boolean isEphemeralAllowed( 4883 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4884 // Short circuit and return early if possible. 4885 if (DISABLE_EPHEMERAL_APPS) { 4886 return false; 4887 } 4888 final int callingUser = UserHandle.getCallingUserId(); 4889 if (callingUser != UserHandle.USER_SYSTEM) { 4890 return false; 4891 } 4892 if (mEphemeralResolverConnection == null) { 4893 return false; 4894 } 4895 if (intent.getComponent() != null) { 4896 return false; 4897 } 4898 if (intent.getPackage() != null) { 4899 return false; 4900 } 4901 final boolean isWebUri = hasWebURI(intent); 4902 if (!isWebUri) { 4903 return false; 4904 } 4905 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4906 synchronized (mPackages) { 4907 final int count = resolvedActivites.size(); 4908 for (int n = 0; n < count; n++) { 4909 ResolveInfo info = resolvedActivites.get(n); 4910 String packageName = info.activityInfo.packageName; 4911 PackageSetting ps = mSettings.mPackages.get(packageName); 4912 if (ps != null) { 4913 // Try to get the status from User settings first 4914 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4915 int status = (int) (packedStatus >> 32); 4916 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4917 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4918 if (DEBUG_EPHEMERAL) { 4919 Slog.v(TAG, "DENY ephemeral apps;" 4920 + " pkg: " + packageName + ", status: " + status); 4921 } 4922 return false; 4923 } 4924 } 4925 } 4926 } 4927 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4928 return true; 4929 } 4930 4931 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4932 int userId) { 4933 MessageDigest digest = null; 4934 try { 4935 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4936 } catch (NoSuchAlgorithmException e) { 4937 // If we can't create a digest, ignore ephemeral apps. 4938 return null; 4939 } 4940 4941 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4942 final byte[] digestBytes = digest.digest(hostBytes); 4943 int shaPrefix = 4944 digestBytes[0] << 24 4945 | digestBytes[1] << 16 4946 | digestBytes[2] << 8 4947 | digestBytes[3] << 0; 4948 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4949 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4950 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4951 // No hash prefix match; there are no ephemeral apps for this domain. 4952 return null; 4953 } 4954 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4955 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4956 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4957 continue; 4958 } 4959 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4960 // No filters; this should never happen. 4961 if (filters.isEmpty()) { 4962 continue; 4963 } 4964 // We have a domain match; resolve the filters to see if anything matches. 4965 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4966 for (int j = filters.size() - 1; j >= 0; --j) { 4967 final EphemeralResolveIntentInfo intentInfo = 4968 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4969 ephemeralResolver.addFilter(intentInfo); 4970 } 4971 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4972 intent, resolvedType, false /*defaultOnly*/, userId); 4973 if (!matchedResolveInfoList.isEmpty()) { 4974 return matchedResolveInfoList.get(0); 4975 } 4976 } 4977 // Hash or filter mis-match; no ephemeral apps for this domain. 4978 return null; 4979 } 4980 4981 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4982 int flags, List<ResolveInfo> query, int userId) { 4983 if (query != null) { 4984 final int N = query.size(); 4985 if (N == 1) { 4986 return query.get(0); 4987 } else if (N > 1) { 4988 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4989 // If there is more than one activity with the same priority, 4990 // then let the user decide between them. 4991 ResolveInfo r0 = query.get(0); 4992 ResolveInfo r1 = query.get(1); 4993 if (DEBUG_INTENT_MATCHING || debug) { 4994 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4995 + r1.activityInfo.name + "=" + r1.priority); 4996 } 4997 // If the first activity has a higher priority, or a different 4998 // default, then it is always desirable to pick it. 4999 if (r0.priority != r1.priority 5000 || r0.preferredOrder != r1.preferredOrder 5001 || r0.isDefault != r1.isDefault) { 5002 return query.get(0); 5003 } 5004 // If we have saved a preference for a preferred activity for 5005 // this Intent, use that. 5006 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5007 flags, query, r0.priority, true, false, debug, userId); 5008 if (ri != null) { 5009 return ri; 5010 } 5011 ri = new ResolveInfo(mResolveInfo); 5012 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5013 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5014 // If all of the options come from the same package, show the application's 5015 // label and icon instead of the generic resolver's. 5016 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5017 // and then throw away the ResolveInfo itself, meaning that the caller loses 5018 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5019 // a fallback for this case; we only set the target package's resources on 5020 // the ResolveInfo, not the ActivityInfo. 5021 final String intentPackage = intent.getPackage(); 5022 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5023 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5024 ri.resolvePackageName = intentPackage; 5025 if (userNeedsBadging(userId)) { 5026 ri.noResourceId = true; 5027 } else { 5028 ri.icon = appi.icon; 5029 } 5030 ri.iconResourceId = appi.icon; 5031 ri.labelRes = appi.labelRes; 5032 } 5033 ri.activityInfo.applicationInfo = new ApplicationInfo( 5034 ri.activityInfo.applicationInfo); 5035 if (userId != 0) { 5036 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5037 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5038 } 5039 // Make sure that the resolver is displayable in car mode 5040 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5041 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5042 return ri; 5043 } 5044 } 5045 return null; 5046 } 5047 5048 /** 5049 * Return true if the given list is not empty and all of its contents have 5050 * an activityInfo with the given package name. 5051 */ 5052 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5053 if (ArrayUtils.isEmpty(list)) { 5054 return false; 5055 } 5056 for (int i = 0, N = list.size(); i < N; i++) { 5057 final ResolveInfo ri = list.get(i); 5058 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5059 if (ai == null || !packageName.equals(ai.packageName)) { 5060 return false; 5061 } 5062 } 5063 return true; 5064 } 5065 5066 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5067 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5068 final int N = query.size(); 5069 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5070 .get(userId); 5071 // Get the list of persistent preferred activities that handle the intent 5072 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5073 List<PersistentPreferredActivity> pprefs = ppir != null 5074 ? ppir.queryIntent(intent, resolvedType, 5075 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5076 : null; 5077 if (pprefs != null && pprefs.size() > 0) { 5078 final int M = pprefs.size(); 5079 for (int i=0; i<M; i++) { 5080 final PersistentPreferredActivity ppa = pprefs.get(i); 5081 if (DEBUG_PREFERRED || debug) { 5082 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5083 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5084 + "\n component=" + ppa.mComponent); 5085 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5086 } 5087 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5088 flags | MATCH_DISABLED_COMPONENTS, userId); 5089 if (DEBUG_PREFERRED || debug) { 5090 Slog.v(TAG, "Found persistent preferred activity:"); 5091 if (ai != null) { 5092 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5093 } else { 5094 Slog.v(TAG, " null"); 5095 } 5096 } 5097 if (ai == null) { 5098 // This previously registered persistent preferred activity 5099 // component is no longer known. Ignore it and do NOT remove it. 5100 continue; 5101 } 5102 for (int j=0; j<N; j++) { 5103 final ResolveInfo ri = query.get(j); 5104 if (!ri.activityInfo.applicationInfo.packageName 5105 .equals(ai.applicationInfo.packageName)) { 5106 continue; 5107 } 5108 if (!ri.activityInfo.name.equals(ai.name)) { 5109 continue; 5110 } 5111 // Found a persistent preference that can handle the intent. 5112 if (DEBUG_PREFERRED || debug) { 5113 Slog.v(TAG, "Returning persistent preferred activity: " + 5114 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5115 } 5116 return ri; 5117 } 5118 } 5119 } 5120 return null; 5121 } 5122 5123 // TODO: handle preferred activities missing while user has amnesia 5124 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5125 List<ResolveInfo> query, int priority, boolean always, 5126 boolean removeMatches, boolean debug, int userId) { 5127 if (!sUserManager.exists(userId)) return null; 5128 flags = updateFlagsForResolve(flags, userId, intent); 5129 // writer 5130 synchronized (mPackages) { 5131 if (intent.getSelector() != null) { 5132 intent = intent.getSelector(); 5133 } 5134 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5135 5136 // Try to find a matching persistent preferred activity. 5137 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5138 debug, userId); 5139 5140 // If a persistent preferred activity matched, use it. 5141 if (pri != null) { 5142 return pri; 5143 } 5144 5145 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5146 // Get the list of preferred activities that handle the intent 5147 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5148 List<PreferredActivity> prefs = pir != null 5149 ? pir.queryIntent(intent, resolvedType, 5150 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5151 : null; 5152 if (prefs != null && prefs.size() > 0) { 5153 boolean changed = false; 5154 try { 5155 // First figure out how good the original match set is. 5156 // We will only allow preferred activities that came 5157 // from the same match quality. 5158 int match = 0; 5159 5160 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5161 5162 final int N = query.size(); 5163 for (int j=0; j<N; j++) { 5164 final ResolveInfo ri = query.get(j); 5165 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5166 + ": 0x" + Integer.toHexString(match)); 5167 if (ri.match > match) { 5168 match = ri.match; 5169 } 5170 } 5171 5172 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5173 + Integer.toHexString(match)); 5174 5175 match &= IntentFilter.MATCH_CATEGORY_MASK; 5176 final int M = prefs.size(); 5177 for (int i=0; i<M; i++) { 5178 final PreferredActivity pa = prefs.get(i); 5179 if (DEBUG_PREFERRED || debug) { 5180 Slog.v(TAG, "Checking PreferredActivity ds=" 5181 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5182 + "\n component=" + pa.mPref.mComponent); 5183 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5184 } 5185 if (pa.mPref.mMatch != match) { 5186 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5187 + Integer.toHexString(pa.mPref.mMatch)); 5188 continue; 5189 } 5190 // If it's not an "always" type preferred activity and that's what we're 5191 // looking for, skip it. 5192 if (always && !pa.mPref.mAlways) { 5193 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5194 continue; 5195 } 5196 final ActivityInfo ai = getActivityInfo( 5197 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5198 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5199 userId); 5200 if (DEBUG_PREFERRED || debug) { 5201 Slog.v(TAG, "Found preferred activity:"); 5202 if (ai != null) { 5203 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5204 } else { 5205 Slog.v(TAG, " null"); 5206 } 5207 } 5208 if (ai == null) { 5209 // This previously registered preferred activity 5210 // component is no longer known. Most likely an update 5211 // to the app was installed and in the new version this 5212 // component no longer exists. Clean it up by removing 5213 // it from the preferred activities list, and skip it. 5214 Slog.w(TAG, "Removing dangling preferred activity: " 5215 + pa.mPref.mComponent); 5216 pir.removeFilter(pa); 5217 changed = true; 5218 continue; 5219 } 5220 for (int j=0; j<N; j++) { 5221 final ResolveInfo ri = query.get(j); 5222 if (!ri.activityInfo.applicationInfo.packageName 5223 .equals(ai.applicationInfo.packageName)) { 5224 continue; 5225 } 5226 if (!ri.activityInfo.name.equals(ai.name)) { 5227 continue; 5228 } 5229 5230 if (removeMatches) { 5231 pir.removeFilter(pa); 5232 changed = true; 5233 if (DEBUG_PREFERRED) { 5234 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5235 } 5236 break; 5237 } 5238 5239 // Okay we found a previously set preferred or last chosen app. 5240 // If the result set is different from when this 5241 // was created, we need to clear it and re-ask the 5242 // user their preference, if we're looking for an "always" type entry. 5243 if (always && !pa.mPref.sameSet(query)) { 5244 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5245 + intent + " type " + resolvedType); 5246 if (DEBUG_PREFERRED) { 5247 Slog.v(TAG, "Removing preferred activity since set changed " 5248 + pa.mPref.mComponent); 5249 } 5250 pir.removeFilter(pa); 5251 // Re-add the filter as a "last chosen" entry (!always) 5252 PreferredActivity lastChosen = new PreferredActivity( 5253 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5254 pir.addFilter(lastChosen); 5255 changed = true; 5256 return null; 5257 } 5258 5259 // Yay! Either the set matched or we're looking for the last chosen 5260 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5261 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5262 return ri; 5263 } 5264 } 5265 } finally { 5266 if (changed) { 5267 if (DEBUG_PREFERRED) { 5268 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5269 } 5270 scheduleWritePackageRestrictionsLocked(userId); 5271 } 5272 } 5273 } 5274 } 5275 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5276 return null; 5277 } 5278 5279 /* 5280 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5281 */ 5282 @Override 5283 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5284 int targetUserId) { 5285 mContext.enforceCallingOrSelfPermission( 5286 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5287 List<CrossProfileIntentFilter> matches = 5288 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5289 if (matches != null) { 5290 int size = matches.size(); 5291 for (int i = 0; i < size; i++) { 5292 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5293 } 5294 } 5295 if (hasWebURI(intent)) { 5296 // cross-profile app linking works only towards the parent. 5297 final UserInfo parent = getProfileParent(sourceUserId); 5298 synchronized(mPackages) { 5299 int flags = updateFlagsForResolve(0, parent.id, intent); 5300 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5301 intent, resolvedType, flags, sourceUserId, parent.id); 5302 return xpDomainInfo != null; 5303 } 5304 } 5305 return false; 5306 } 5307 5308 private UserInfo getProfileParent(int userId) { 5309 final long identity = Binder.clearCallingIdentity(); 5310 try { 5311 return sUserManager.getProfileParent(userId); 5312 } finally { 5313 Binder.restoreCallingIdentity(identity); 5314 } 5315 } 5316 5317 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5318 String resolvedType, int userId) { 5319 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5320 if (resolver != null) { 5321 return resolver.queryIntent(intent, resolvedType, false, userId); 5322 } 5323 return null; 5324 } 5325 5326 @Override 5327 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5328 String resolvedType, int flags, int userId) { 5329 try { 5330 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5331 5332 return new ParceledListSlice<>( 5333 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5334 } finally { 5335 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5336 } 5337 } 5338 5339 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5340 String resolvedType, int flags, int userId) { 5341 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5342 flags = updateFlagsForResolve(flags, userId, intent); 5343 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5344 false /* requireFullPermission */, false /* checkShell */, 5345 "query intent activities"); 5346 ComponentName comp = intent.getComponent(); 5347 if (comp == null) { 5348 if (intent.getSelector() != null) { 5349 intent = intent.getSelector(); 5350 comp = intent.getComponent(); 5351 } 5352 } 5353 5354 if (comp != null) { 5355 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5356 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5357 if (ai != null) { 5358 final ResolveInfo ri = new ResolveInfo(); 5359 ri.activityInfo = ai; 5360 list.add(ri); 5361 } 5362 return list; 5363 } 5364 5365 // reader 5366 synchronized (mPackages) { 5367 final String pkgName = intent.getPackage(); 5368 if (pkgName == null) { 5369 List<CrossProfileIntentFilter> matchingFilters = 5370 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5371 // Check for results that need to skip the current profile. 5372 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5373 resolvedType, flags, userId); 5374 if (xpResolveInfo != null) { 5375 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5376 result.add(xpResolveInfo); 5377 return filterIfNotSystemUser(result, userId); 5378 } 5379 5380 // Check for results in the current profile. 5381 List<ResolveInfo> result = mActivities.queryIntent( 5382 intent, resolvedType, flags, userId); 5383 result = filterIfNotSystemUser(result, userId); 5384 5385 // Check for cross profile results. 5386 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5387 xpResolveInfo = queryCrossProfileIntents( 5388 matchingFilters, intent, resolvedType, flags, userId, 5389 hasNonNegativePriorityResult); 5390 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5391 boolean isVisibleToUser = filterIfNotSystemUser( 5392 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5393 if (isVisibleToUser) { 5394 result.add(xpResolveInfo); 5395 Collections.sort(result, mResolvePrioritySorter); 5396 } 5397 } 5398 if (hasWebURI(intent)) { 5399 CrossProfileDomainInfo xpDomainInfo = null; 5400 final UserInfo parent = getProfileParent(userId); 5401 if (parent != null) { 5402 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5403 flags, userId, parent.id); 5404 } 5405 if (xpDomainInfo != null) { 5406 if (xpResolveInfo != null) { 5407 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5408 // in the result. 5409 result.remove(xpResolveInfo); 5410 } 5411 if (result.size() == 0) { 5412 result.add(xpDomainInfo.resolveInfo); 5413 return result; 5414 } 5415 } else if (result.size() <= 1) { 5416 return result; 5417 } 5418 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5419 xpDomainInfo, userId); 5420 Collections.sort(result, mResolvePrioritySorter); 5421 } 5422 return result; 5423 } 5424 final PackageParser.Package pkg = mPackages.get(pkgName); 5425 if (pkg != null) { 5426 return filterIfNotSystemUser( 5427 mActivities.queryIntentForPackage( 5428 intent, resolvedType, flags, pkg.activities, userId), 5429 userId); 5430 } 5431 return new ArrayList<ResolveInfo>(); 5432 } 5433 } 5434 5435 private static class CrossProfileDomainInfo { 5436 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5437 ResolveInfo resolveInfo; 5438 /* Best domain verification status of the activities found in the other profile */ 5439 int bestDomainVerificationStatus; 5440 } 5441 5442 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5443 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5444 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5445 sourceUserId)) { 5446 return null; 5447 } 5448 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5449 resolvedType, flags, parentUserId); 5450 5451 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5452 return null; 5453 } 5454 CrossProfileDomainInfo result = null; 5455 int size = resultTargetUser.size(); 5456 for (int i = 0; i < size; i++) { 5457 ResolveInfo riTargetUser = resultTargetUser.get(i); 5458 // Intent filter verification is only for filters that specify a host. So don't return 5459 // those that handle all web uris. 5460 if (riTargetUser.handleAllWebDataURI) { 5461 continue; 5462 } 5463 String packageName = riTargetUser.activityInfo.packageName; 5464 PackageSetting ps = mSettings.mPackages.get(packageName); 5465 if (ps == null) { 5466 continue; 5467 } 5468 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5469 int status = (int)(verificationState >> 32); 5470 if (result == null) { 5471 result = new CrossProfileDomainInfo(); 5472 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5473 sourceUserId, parentUserId); 5474 result.bestDomainVerificationStatus = status; 5475 } else { 5476 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5477 result.bestDomainVerificationStatus); 5478 } 5479 } 5480 // Don't consider matches with status NEVER across profiles. 5481 if (result != null && result.bestDomainVerificationStatus 5482 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5483 return null; 5484 } 5485 return result; 5486 } 5487 5488 /** 5489 * Verification statuses are ordered from the worse to the best, except for 5490 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5491 */ 5492 private int bestDomainVerificationStatus(int status1, int status2) { 5493 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5494 return status2; 5495 } 5496 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5497 return status1; 5498 } 5499 return (int) MathUtils.max(status1, status2); 5500 } 5501 5502 private boolean isUserEnabled(int userId) { 5503 long callingId = Binder.clearCallingIdentity(); 5504 try { 5505 UserInfo userInfo = sUserManager.getUserInfo(userId); 5506 return userInfo != null && userInfo.isEnabled(); 5507 } finally { 5508 Binder.restoreCallingIdentity(callingId); 5509 } 5510 } 5511 5512 /** 5513 * Filter out activities with systemUserOnly flag set, when current user is not System. 5514 * 5515 * @return filtered list 5516 */ 5517 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5518 if (userId == UserHandle.USER_SYSTEM) { 5519 return resolveInfos; 5520 } 5521 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5522 ResolveInfo info = resolveInfos.get(i); 5523 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5524 resolveInfos.remove(i); 5525 } 5526 } 5527 return resolveInfos; 5528 } 5529 5530 /** 5531 * @param resolveInfos list of resolve infos in descending priority order 5532 * @return if the list contains a resolve info with non-negative priority 5533 */ 5534 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5535 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5536 } 5537 5538 private static boolean hasWebURI(Intent intent) { 5539 if (intent.getData() == null) { 5540 return false; 5541 } 5542 final String scheme = intent.getScheme(); 5543 if (TextUtils.isEmpty(scheme)) { 5544 return false; 5545 } 5546 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5547 } 5548 5549 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5550 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5551 int userId) { 5552 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5553 5554 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5555 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5556 candidates.size()); 5557 } 5558 5559 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5560 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5561 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5562 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5563 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5564 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5565 5566 synchronized (mPackages) { 5567 final int count = candidates.size(); 5568 // First, try to use linked apps. Partition the candidates into four lists: 5569 // one for the final results, one for the "do not use ever", one for "undefined status" 5570 // and finally one for "browser app type". 5571 for (int n=0; n<count; n++) { 5572 ResolveInfo info = candidates.get(n); 5573 String packageName = info.activityInfo.packageName; 5574 PackageSetting ps = mSettings.mPackages.get(packageName); 5575 if (ps != null) { 5576 // Add to the special match all list (Browser use case) 5577 if (info.handleAllWebDataURI) { 5578 matchAllList.add(info); 5579 continue; 5580 } 5581 // Try to get the status from User settings first 5582 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5583 int status = (int)(packedStatus >> 32); 5584 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5585 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5586 if (DEBUG_DOMAIN_VERIFICATION) { 5587 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5588 + " : linkgen=" + linkGeneration); 5589 } 5590 // Use link-enabled generation as preferredOrder, i.e. 5591 // prefer newly-enabled over earlier-enabled. 5592 info.preferredOrder = linkGeneration; 5593 alwaysList.add(info); 5594 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5595 if (DEBUG_DOMAIN_VERIFICATION) { 5596 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5597 } 5598 neverList.add(info); 5599 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5600 if (DEBUG_DOMAIN_VERIFICATION) { 5601 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5602 } 5603 alwaysAskList.add(info); 5604 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5605 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5606 if (DEBUG_DOMAIN_VERIFICATION) { 5607 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5608 } 5609 undefinedList.add(info); 5610 } 5611 } 5612 } 5613 5614 // We'll want to include browser possibilities in a few cases 5615 boolean includeBrowser = false; 5616 5617 // First try to add the "always" resolution(s) for the current user, if any 5618 if (alwaysList.size() > 0) { 5619 result.addAll(alwaysList); 5620 } else { 5621 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5622 result.addAll(undefinedList); 5623 // Maybe add one for the other profile. 5624 if (xpDomainInfo != null && ( 5625 xpDomainInfo.bestDomainVerificationStatus 5626 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5627 result.add(xpDomainInfo.resolveInfo); 5628 } 5629 includeBrowser = true; 5630 } 5631 5632 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5633 // If there were 'always' entries their preferred order has been set, so we also 5634 // back that off to make the alternatives equivalent 5635 if (alwaysAskList.size() > 0) { 5636 for (ResolveInfo i : result) { 5637 i.preferredOrder = 0; 5638 } 5639 result.addAll(alwaysAskList); 5640 includeBrowser = true; 5641 } 5642 5643 if (includeBrowser) { 5644 // Also add browsers (all of them or only the default one) 5645 if (DEBUG_DOMAIN_VERIFICATION) { 5646 Slog.v(TAG, " ...including browsers in candidate set"); 5647 } 5648 if ((matchFlags & MATCH_ALL) != 0) { 5649 result.addAll(matchAllList); 5650 } else { 5651 // Browser/generic handling case. If there's a default browser, go straight 5652 // to that (but only if there is no other higher-priority match). 5653 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5654 int maxMatchPrio = 0; 5655 ResolveInfo defaultBrowserMatch = null; 5656 final int numCandidates = matchAllList.size(); 5657 for (int n = 0; n < numCandidates; n++) { 5658 ResolveInfo info = matchAllList.get(n); 5659 // track the highest overall match priority... 5660 if (info.priority > maxMatchPrio) { 5661 maxMatchPrio = info.priority; 5662 } 5663 // ...and the highest-priority default browser match 5664 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5665 if (defaultBrowserMatch == null 5666 || (defaultBrowserMatch.priority < info.priority)) { 5667 if (debug) { 5668 Slog.v(TAG, "Considering default browser match " + info); 5669 } 5670 defaultBrowserMatch = info; 5671 } 5672 } 5673 } 5674 if (defaultBrowserMatch != null 5675 && defaultBrowserMatch.priority >= maxMatchPrio 5676 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5677 { 5678 if (debug) { 5679 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5680 } 5681 result.add(defaultBrowserMatch); 5682 } else { 5683 result.addAll(matchAllList); 5684 } 5685 } 5686 5687 // If there is nothing selected, add all candidates and remove the ones that the user 5688 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5689 if (result.size() == 0) { 5690 result.addAll(candidates); 5691 result.removeAll(neverList); 5692 } 5693 } 5694 } 5695 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5696 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5697 result.size()); 5698 for (ResolveInfo info : result) { 5699 Slog.v(TAG, " + " + info.activityInfo); 5700 } 5701 } 5702 return result; 5703 } 5704 5705 // Returns a packed value as a long: 5706 // 5707 // high 'int'-sized word: link status: undefined/ask/never/always. 5708 // low 'int'-sized word: relative priority among 'always' results. 5709 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5710 long result = ps.getDomainVerificationStatusForUser(userId); 5711 // if none available, get the master status 5712 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5713 if (ps.getIntentFilterVerificationInfo() != null) { 5714 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5715 } 5716 } 5717 return result; 5718 } 5719 5720 private ResolveInfo querySkipCurrentProfileIntents( 5721 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5722 int flags, int sourceUserId) { 5723 if (matchingFilters != null) { 5724 int size = matchingFilters.size(); 5725 for (int i = 0; i < size; i ++) { 5726 CrossProfileIntentFilter filter = matchingFilters.get(i); 5727 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5728 // Checking if there are activities in the target user that can handle the 5729 // intent. 5730 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5731 resolvedType, flags, sourceUserId); 5732 if (resolveInfo != null) { 5733 return resolveInfo; 5734 } 5735 } 5736 } 5737 } 5738 return null; 5739 } 5740 5741 // Return matching ResolveInfo in target user if any. 5742 private ResolveInfo queryCrossProfileIntents( 5743 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5744 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5745 if (matchingFilters != null) { 5746 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5747 // match the same intent. For performance reasons, it is better not to 5748 // run queryIntent twice for the same userId 5749 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5750 int size = matchingFilters.size(); 5751 for (int i = 0; i < size; i++) { 5752 CrossProfileIntentFilter filter = matchingFilters.get(i); 5753 int targetUserId = filter.getTargetUserId(); 5754 boolean skipCurrentProfile = 5755 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5756 boolean skipCurrentProfileIfNoMatchFound = 5757 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5758 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5759 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5760 // Checking if there are activities in the target user that can handle the 5761 // intent. 5762 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5763 resolvedType, flags, sourceUserId); 5764 if (resolveInfo != null) return resolveInfo; 5765 alreadyTriedUserIds.put(targetUserId, true); 5766 } 5767 } 5768 } 5769 return null; 5770 } 5771 5772 /** 5773 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5774 * will forward the intent to the filter's target user. 5775 * Otherwise, returns null. 5776 */ 5777 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5778 String resolvedType, int flags, int sourceUserId) { 5779 int targetUserId = filter.getTargetUserId(); 5780 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5781 resolvedType, flags, targetUserId); 5782 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5783 // If all the matches in the target profile are suspended, return null. 5784 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5785 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5786 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5787 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5788 targetUserId); 5789 } 5790 } 5791 } 5792 return null; 5793 } 5794 5795 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5796 int sourceUserId, int targetUserId) { 5797 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5798 long ident = Binder.clearCallingIdentity(); 5799 boolean targetIsProfile; 5800 try { 5801 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5802 } finally { 5803 Binder.restoreCallingIdentity(ident); 5804 } 5805 String className; 5806 if (targetIsProfile) { 5807 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5808 } else { 5809 className = FORWARD_INTENT_TO_PARENT; 5810 } 5811 ComponentName forwardingActivityComponentName = new ComponentName( 5812 mAndroidApplication.packageName, className); 5813 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5814 sourceUserId); 5815 if (!targetIsProfile) { 5816 forwardingActivityInfo.showUserIcon = targetUserId; 5817 forwardingResolveInfo.noResourceId = true; 5818 } 5819 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5820 forwardingResolveInfo.priority = 0; 5821 forwardingResolveInfo.preferredOrder = 0; 5822 forwardingResolveInfo.match = 0; 5823 forwardingResolveInfo.isDefault = true; 5824 forwardingResolveInfo.filter = filter; 5825 forwardingResolveInfo.targetUserId = targetUserId; 5826 return forwardingResolveInfo; 5827 } 5828 5829 @Override 5830 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5831 Intent[] specifics, String[] specificTypes, Intent intent, 5832 String resolvedType, int flags, int userId) { 5833 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5834 specificTypes, intent, resolvedType, flags, userId)); 5835 } 5836 5837 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5838 Intent[] specifics, String[] specificTypes, Intent intent, 5839 String resolvedType, int flags, int userId) { 5840 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5841 flags = updateFlagsForResolve(flags, userId, intent); 5842 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5843 false /* requireFullPermission */, false /* checkShell */, 5844 "query intent activity options"); 5845 final String resultsAction = intent.getAction(); 5846 5847 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5848 | PackageManager.GET_RESOLVED_FILTER, userId); 5849 5850 if (DEBUG_INTENT_MATCHING) { 5851 Log.v(TAG, "Query " + intent + ": " + results); 5852 } 5853 5854 int specificsPos = 0; 5855 int N; 5856 5857 // todo: note that the algorithm used here is O(N^2). This 5858 // isn't a problem in our current environment, but if we start running 5859 // into situations where we have more than 5 or 10 matches then this 5860 // should probably be changed to something smarter... 5861 5862 // First we go through and resolve each of the specific items 5863 // that were supplied, taking care of removing any corresponding 5864 // duplicate items in the generic resolve list. 5865 if (specifics != null) { 5866 for (int i=0; i<specifics.length; i++) { 5867 final Intent sintent = specifics[i]; 5868 if (sintent == null) { 5869 continue; 5870 } 5871 5872 if (DEBUG_INTENT_MATCHING) { 5873 Log.v(TAG, "Specific #" + i + ": " + sintent); 5874 } 5875 5876 String action = sintent.getAction(); 5877 if (resultsAction != null && resultsAction.equals(action)) { 5878 // If this action was explicitly requested, then don't 5879 // remove things that have it. 5880 action = null; 5881 } 5882 5883 ResolveInfo ri = null; 5884 ActivityInfo ai = null; 5885 5886 ComponentName comp = sintent.getComponent(); 5887 if (comp == null) { 5888 ri = resolveIntent( 5889 sintent, 5890 specificTypes != null ? specificTypes[i] : null, 5891 flags, userId); 5892 if (ri == null) { 5893 continue; 5894 } 5895 if (ri == mResolveInfo) { 5896 // ACK! Must do something better with this. 5897 } 5898 ai = ri.activityInfo; 5899 comp = new ComponentName(ai.applicationInfo.packageName, 5900 ai.name); 5901 } else { 5902 ai = getActivityInfo(comp, flags, userId); 5903 if (ai == null) { 5904 continue; 5905 } 5906 } 5907 5908 // Look for any generic query activities that are duplicates 5909 // of this specific one, and remove them from the results. 5910 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5911 N = results.size(); 5912 int j; 5913 for (j=specificsPos; j<N; j++) { 5914 ResolveInfo sri = results.get(j); 5915 if ((sri.activityInfo.name.equals(comp.getClassName()) 5916 && sri.activityInfo.applicationInfo.packageName.equals( 5917 comp.getPackageName())) 5918 || (action != null && sri.filter.matchAction(action))) { 5919 results.remove(j); 5920 if (DEBUG_INTENT_MATCHING) Log.v( 5921 TAG, "Removing duplicate item from " + j 5922 + " due to specific " + specificsPos); 5923 if (ri == null) { 5924 ri = sri; 5925 } 5926 j--; 5927 N--; 5928 } 5929 } 5930 5931 // Add this specific item to its proper place. 5932 if (ri == null) { 5933 ri = new ResolveInfo(); 5934 ri.activityInfo = ai; 5935 } 5936 results.add(specificsPos, ri); 5937 ri.specificIndex = i; 5938 specificsPos++; 5939 } 5940 } 5941 5942 // Now we go through the remaining generic results and remove any 5943 // duplicate actions that are found here. 5944 N = results.size(); 5945 for (int i=specificsPos; i<N-1; i++) { 5946 final ResolveInfo rii = results.get(i); 5947 if (rii.filter == null) { 5948 continue; 5949 } 5950 5951 // Iterate over all of the actions of this result's intent 5952 // filter... typically this should be just one. 5953 final Iterator<String> it = rii.filter.actionsIterator(); 5954 if (it == null) { 5955 continue; 5956 } 5957 while (it.hasNext()) { 5958 final String action = it.next(); 5959 if (resultsAction != null && resultsAction.equals(action)) { 5960 // If this action was explicitly requested, then don't 5961 // remove things that have it. 5962 continue; 5963 } 5964 for (int j=i+1; j<N; j++) { 5965 final ResolveInfo rij = results.get(j); 5966 if (rij.filter != null && rij.filter.hasAction(action)) { 5967 results.remove(j); 5968 if (DEBUG_INTENT_MATCHING) Log.v( 5969 TAG, "Removing duplicate item from " + j 5970 + " due to action " + action + " at " + i); 5971 j--; 5972 N--; 5973 } 5974 } 5975 } 5976 5977 // If the caller didn't request filter information, drop it now 5978 // so we don't have to marshall/unmarshall it. 5979 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5980 rii.filter = null; 5981 } 5982 } 5983 5984 // Filter out the caller activity if so requested. 5985 if (caller != null) { 5986 N = results.size(); 5987 for (int i=0; i<N; i++) { 5988 ActivityInfo ainfo = results.get(i).activityInfo; 5989 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5990 && caller.getClassName().equals(ainfo.name)) { 5991 results.remove(i); 5992 break; 5993 } 5994 } 5995 } 5996 5997 // If the caller didn't request filter information, 5998 // drop them now so we don't have to 5999 // marshall/unmarshall it. 6000 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6001 N = results.size(); 6002 for (int i=0; i<N; i++) { 6003 results.get(i).filter = null; 6004 } 6005 } 6006 6007 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6008 return results; 6009 } 6010 6011 @Override 6012 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6013 String resolvedType, int flags, int userId) { 6014 return new ParceledListSlice<>( 6015 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6016 } 6017 6018 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6019 String resolvedType, int flags, int userId) { 6020 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6021 flags = updateFlagsForResolve(flags, userId, intent); 6022 ComponentName comp = intent.getComponent(); 6023 if (comp == null) { 6024 if (intent.getSelector() != null) { 6025 intent = intent.getSelector(); 6026 comp = intent.getComponent(); 6027 } 6028 } 6029 if (comp != null) { 6030 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6031 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6032 if (ai != null) { 6033 ResolveInfo ri = new ResolveInfo(); 6034 ri.activityInfo = ai; 6035 list.add(ri); 6036 } 6037 return list; 6038 } 6039 6040 // reader 6041 synchronized (mPackages) { 6042 String pkgName = intent.getPackage(); 6043 if (pkgName == null) { 6044 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6045 } 6046 final PackageParser.Package pkg = mPackages.get(pkgName); 6047 if (pkg != null) { 6048 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6049 userId); 6050 } 6051 return Collections.emptyList(); 6052 } 6053 } 6054 6055 @Override 6056 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6057 if (!sUserManager.exists(userId)) return null; 6058 flags = updateFlagsForResolve(flags, userId, intent); 6059 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6060 if (query != null) { 6061 if (query.size() >= 1) { 6062 // If there is more than one service with the same priority, 6063 // just arbitrarily pick the first one. 6064 return query.get(0); 6065 } 6066 } 6067 return null; 6068 } 6069 6070 @Override 6071 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6072 String resolvedType, int flags, int userId) { 6073 return new ParceledListSlice<>( 6074 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6075 } 6076 6077 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6078 String resolvedType, int flags, int userId) { 6079 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6080 flags = updateFlagsForResolve(flags, userId, intent); 6081 ComponentName comp = intent.getComponent(); 6082 if (comp == null) { 6083 if (intent.getSelector() != null) { 6084 intent = intent.getSelector(); 6085 comp = intent.getComponent(); 6086 } 6087 } 6088 if (comp != null) { 6089 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6090 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6091 if (si != null) { 6092 final ResolveInfo ri = new ResolveInfo(); 6093 ri.serviceInfo = si; 6094 list.add(ri); 6095 } 6096 return list; 6097 } 6098 6099 // reader 6100 synchronized (mPackages) { 6101 String pkgName = intent.getPackage(); 6102 if (pkgName == null) { 6103 return mServices.queryIntent(intent, resolvedType, flags, userId); 6104 } 6105 final PackageParser.Package pkg = mPackages.get(pkgName); 6106 if (pkg != null) { 6107 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6108 userId); 6109 } 6110 return Collections.emptyList(); 6111 } 6112 } 6113 6114 @Override 6115 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6116 String resolvedType, int flags, int userId) { 6117 return new ParceledListSlice<>( 6118 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6119 } 6120 6121 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6122 Intent intent, String resolvedType, int flags, int userId) { 6123 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6124 flags = updateFlagsForResolve(flags, userId, intent); 6125 ComponentName comp = intent.getComponent(); 6126 if (comp == null) { 6127 if (intent.getSelector() != null) { 6128 intent = intent.getSelector(); 6129 comp = intent.getComponent(); 6130 } 6131 } 6132 if (comp != null) { 6133 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6134 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6135 if (pi != null) { 6136 final ResolveInfo ri = new ResolveInfo(); 6137 ri.providerInfo = pi; 6138 list.add(ri); 6139 } 6140 return list; 6141 } 6142 6143 // reader 6144 synchronized (mPackages) { 6145 String pkgName = intent.getPackage(); 6146 if (pkgName == null) { 6147 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6148 } 6149 final PackageParser.Package pkg = mPackages.get(pkgName); 6150 if (pkg != null) { 6151 return mProviders.queryIntentForPackage( 6152 intent, resolvedType, flags, pkg.providers, userId); 6153 } 6154 return Collections.emptyList(); 6155 } 6156 } 6157 6158 @Override 6159 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6160 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6161 flags = updateFlagsForPackage(flags, userId, null); 6162 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6163 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6164 true /* requireFullPermission */, false /* checkShell */, 6165 "get installed packages"); 6166 6167 // writer 6168 synchronized (mPackages) { 6169 ArrayList<PackageInfo> list; 6170 if (listUninstalled) { 6171 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6172 for (PackageSetting ps : mSettings.mPackages.values()) { 6173 final PackageInfo pi; 6174 if (ps.pkg != null) { 6175 pi = generatePackageInfo(ps, flags, userId); 6176 } else { 6177 pi = generatePackageInfo(ps, flags, userId); 6178 } 6179 if (pi != null) { 6180 list.add(pi); 6181 } 6182 } 6183 } else { 6184 list = new ArrayList<PackageInfo>(mPackages.size()); 6185 for (PackageParser.Package p : mPackages.values()) { 6186 final PackageInfo pi = 6187 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6188 if (pi != null) { 6189 list.add(pi); 6190 } 6191 } 6192 } 6193 6194 return new ParceledListSlice<PackageInfo>(list); 6195 } 6196 } 6197 6198 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6199 String[] permissions, boolean[] tmp, int flags, int userId) { 6200 int numMatch = 0; 6201 final PermissionsState permissionsState = ps.getPermissionsState(); 6202 for (int i=0; i<permissions.length; i++) { 6203 final String permission = permissions[i]; 6204 if (permissionsState.hasPermission(permission, userId)) { 6205 tmp[i] = true; 6206 numMatch++; 6207 } else { 6208 tmp[i] = false; 6209 } 6210 } 6211 if (numMatch == 0) { 6212 return; 6213 } 6214 final PackageInfo pi; 6215 if (ps.pkg != null) { 6216 pi = generatePackageInfo(ps, flags, userId); 6217 } else { 6218 pi = generatePackageInfo(ps, flags, userId); 6219 } 6220 // The above might return null in cases of uninstalled apps or install-state 6221 // skew across users/profiles. 6222 if (pi != null) { 6223 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6224 if (numMatch == permissions.length) { 6225 pi.requestedPermissions = permissions; 6226 } else { 6227 pi.requestedPermissions = new String[numMatch]; 6228 numMatch = 0; 6229 for (int i=0; i<permissions.length; i++) { 6230 if (tmp[i]) { 6231 pi.requestedPermissions[numMatch] = permissions[i]; 6232 numMatch++; 6233 } 6234 } 6235 } 6236 } 6237 list.add(pi); 6238 } 6239 } 6240 6241 @Override 6242 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6243 String[] permissions, int flags, int userId) { 6244 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6245 flags = updateFlagsForPackage(flags, userId, permissions); 6246 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6247 6248 // writer 6249 synchronized (mPackages) { 6250 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6251 boolean[] tmpBools = new boolean[permissions.length]; 6252 if (listUninstalled) { 6253 for (PackageSetting ps : mSettings.mPackages.values()) { 6254 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6255 } 6256 } else { 6257 for (PackageParser.Package pkg : mPackages.values()) { 6258 PackageSetting ps = (PackageSetting)pkg.mExtras; 6259 if (ps != null) { 6260 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6261 userId); 6262 } 6263 } 6264 } 6265 6266 return new ParceledListSlice<PackageInfo>(list); 6267 } 6268 } 6269 6270 @Override 6271 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6272 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6273 flags = updateFlagsForApplication(flags, userId, null); 6274 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6275 6276 // writer 6277 synchronized (mPackages) { 6278 ArrayList<ApplicationInfo> list; 6279 if (listUninstalled) { 6280 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6281 for (PackageSetting ps : mSettings.mPackages.values()) { 6282 ApplicationInfo ai; 6283 if (ps.pkg != null) { 6284 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6285 ps.readUserState(userId), userId); 6286 } else { 6287 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6288 } 6289 if (ai != null) { 6290 list.add(ai); 6291 } 6292 } 6293 } else { 6294 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6295 for (PackageParser.Package p : mPackages.values()) { 6296 if (p.mExtras != null) { 6297 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6298 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6299 if (ai != null) { 6300 list.add(ai); 6301 } 6302 } 6303 } 6304 } 6305 6306 return new ParceledListSlice<ApplicationInfo>(list); 6307 } 6308 } 6309 6310 @Override 6311 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6312 if (DISABLE_EPHEMERAL_APPS) { 6313 return null; 6314 } 6315 6316 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6317 "getEphemeralApplications"); 6318 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6319 true /* requireFullPermission */, false /* checkShell */, 6320 "getEphemeralApplications"); 6321 synchronized (mPackages) { 6322 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6323 .getEphemeralApplicationsLPw(userId); 6324 if (ephemeralApps != null) { 6325 return new ParceledListSlice<>(ephemeralApps); 6326 } 6327 } 6328 return null; 6329 } 6330 6331 @Override 6332 public boolean isEphemeralApplication(String packageName, int userId) { 6333 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6334 true /* requireFullPermission */, false /* checkShell */, 6335 "isEphemeral"); 6336 if (DISABLE_EPHEMERAL_APPS) { 6337 return false; 6338 } 6339 6340 if (!isCallerSameApp(packageName)) { 6341 return false; 6342 } 6343 synchronized (mPackages) { 6344 PackageParser.Package pkg = mPackages.get(packageName); 6345 if (pkg != null) { 6346 return pkg.applicationInfo.isEphemeralApp(); 6347 } 6348 } 6349 return false; 6350 } 6351 6352 @Override 6353 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6354 if (DISABLE_EPHEMERAL_APPS) { 6355 return null; 6356 } 6357 6358 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6359 true /* requireFullPermission */, false /* checkShell */, 6360 "getCookie"); 6361 if (!isCallerSameApp(packageName)) { 6362 return null; 6363 } 6364 synchronized (mPackages) { 6365 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6366 packageName, userId); 6367 } 6368 } 6369 6370 @Override 6371 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6372 if (DISABLE_EPHEMERAL_APPS) { 6373 return true; 6374 } 6375 6376 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6377 true /* requireFullPermission */, true /* checkShell */, 6378 "setCookie"); 6379 if (!isCallerSameApp(packageName)) { 6380 return false; 6381 } 6382 synchronized (mPackages) { 6383 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6384 packageName, cookie, userId); 6385 } 6386 } 6387 6388 @Override 6389 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6390 if (DISABLE_EPHEMERAL_APPS) { 6391 return null; 6392 } 6393 6394 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6395 "getEphemeralApplicationIcon"); 6396 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6397 true /* requireFullPermission */, false /* checkShell */, 6398 "getEphemeralApplicationIcon"); 6399 synchronized (mPackages) { 6400 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6401 packageName, userId); 6402 } 6403 } 6404 6405 private boolean isCallerSameApp(String packageName) { 6406 PackageParser.Package pkg = mPackages.get(packageName); 6407 return pkg != null 6408 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6409 } 6410 6411 @Override 6412 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6413 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6414 } 6415 6416 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6417 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6418 6419 // reader 6420 synchronized (mPackages) { 6421 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6422 final int userId = UserHandle.getCallingUserId(); 6423 while (i.hasNext()) { 6424 final PackageParser.Package p = i.next(); 6425 if (p.applicationInfo == null) continue; 6426 6427 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6428 && !p.applicationInfo.isDirectBootAware(); 6429 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6430 && p.applicationInfo.isDirectBootAware(); 6431 6432 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6433 && (!mSafeMode || isSystemApp(p)) 6434 && (matchesUnaware || matchesAware)) { 6435 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6436 if (ps != null) { 6437 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6438 ps.readUserState(userId), userId); 6439 if (ai != null) { 6440 finalList.add(ai); 6441 } 6442 } 6443 } 6444 } 6445 } 6446 6447 return finalList; 6448 } 6449 6450 @Override 6451 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6452 if (!sUserManager.exists(userId)) return null; 6453 flags = updateFlagsForComponent(flags, userId, name); 6454 // reader 6455 synchronized (mPackages) { 6456 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6457 PackageSetting ps = provider != null 6458 ? mSettings.mPackages.get(provider.owner.packageName) 6459 : null; 6460 return ps != null 6461 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6462 ? PackageParser.generateProviderInfo(provider, flags, 6463 ps.readUserState(userId), userId) 6464 : null; 6465 } 6466 } 6467 6468 /** 6469 * @deprecated 6470 */ 6471 @Deprecated 6472 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6473 // reader 6474 synchronized (mPackages) { 6475 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6476 .entrySet().iterator(); 6477 final int userId = UserHandle.getCallingUserId(); 6478 while (i.hasNext()) { 6479 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6480 PackageParser.Provider p = entry.getValue(); 6481 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6482 6483 if (ps != null && p.syncable 6484 && (!mSafeMode || (p.info.applicationInfo.flags 6485 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6486 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6487 ps.readUserState(userId), userId); 6488 if (info != null) { 6489 outNames.add(entry.getKey()); 6490 outInfo.add(info); 6491 } 6492 } 6493 } 6494 } 6495 } 6496 6497 @Override 6498 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6499 int uid, int flags) { 6500 final int userId = processName != null ? UserHandle.getUserId(uid) 6501 : UserHandle.getCallingUserId(); 6502 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6503 flags = updateFlagsForComponent(flags, userId, processName); 6504 6505 ArrayList<ProviderInfo> finalList = null; 6506 // reader 6507 synchronized (mPackages) { 6508 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6509 while (i.hasNext()) { 6510 final PackageParser.Provider p = i.next(); 6511 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6512 if (ps != null && p.info.authority != null 6513 && (processName == null 6514 || (p.info.processName.equals(processName) 6515 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6516 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6517 if (finalList == null) { 6518 finalList = new ArrayList<ProviderInfo>(3); 6519 } 6520 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6521 ps.readUserState(userId), userId); 6522 if (info != null) { 6523 finalList.add(info); 6524 } 6525 } 6526 } 6527 } 6528 6529 if (finalList != null) { 6530 Collections.sort(finalList, mProviderInitOrderSorter); 6531 return new ParceledListSlice<ProviderInfo>(finalList); 6532 } 6533 6534 return ParceledListSlice.emptyList(); 6535 } 6536 6537 @Override 6538 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6539 // reader 6540 synchronized (mPackages) { 6541 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6542 return PackageParser.generateInstrumentationInfo(i, flags); 6543 } 6544 } 6545 6546 @Override 6547 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6548 String targetPackage, int flags) { 6549 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6550 } 6551 6552 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6553 int flags) { 6554 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6555 6556 // reader 6557 synchronized (mPackages) { 6558 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6559 while (i.hasNext()) { 6560 final PackageParser.Instrumentation p = i.next(); 6561 if (targetPackage == null 6562 || targetPackage.equals(p.info.targetPackage)) { 6563 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6564 flags); 6565 if (ii != null) { 6566 finalList.add(ii); 6567 } 6568 } 6569 } 6570 } 6571 6572 return finalList; 6573 } 6574 6575 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6576 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6577 if (overlays == null) { 6578 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6579 return; 6580 } 6581 for (PackageParser.Package opkg : overlays.values()) { 6582 // Not much to do if idmap fails: we already logged the error 6583 // and we certainly don't want to abort installation of pkg simply 6584 // because an overlay didn't fit properly. For these reasons, 6585 // ignore the return value of createIdmapForPackagePairLI. 6586 createIdmapForPackagePairLI(pkg, opkg); 6587 } 6588 } 6589 6590 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6591 PackageParser.Package opkg) { 6592 if (!opkg.mTrustedOverlay) { 6593 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6594 opkg.baseCodePath + ": overlay not trusted"); 6595 return false; 6596 } 6597 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6598 if (overlaySet == null) { 6599 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6600 opkg.baseCodePath + " but target package has no known overlays"); 6601 return false; 6602 } 6603 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6604 // TODO: generate idmap for split APKs 6605 try { 6606 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6607 } catch (InstallerException e) { 6608 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6609 + opkg.baseCodePath); 6610 return false; 6611 } 6612 PackageParser.Package[] overlayArray = 6613 overlaySet.values().toArray(new PackageParser.Package[0]); 6614 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6615 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6616 return p1.mOverlayPriority - p2.mOverlayPriority; 6617 } 6618 }; 6619 Arrays.sort(overlayArray, cmp); 6620 6621 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6622 int i = 0; 6623 for (PackageParser.Package p : overlayArray) { 6624 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6625 } 6626 return true; 6627 } 6628 6629 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6630 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6631 try { 6632 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6633 } finally { 6634 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6635 } 6636 } 6637 6638 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6639 final File[] files = dir.listFiles(); 6640 if (ArrayUtils.isEmpty(files)) { 6641 Log.d(TAG, "No files in app dir " + dir); 6642 return; 6643 } 6644 6645 if (DEBUG_PACKAGE_SCANNING) { 6646 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6647 + " flags=0x" + Integer.toHexString(parseFlags)); 6648 } 6649 6650 for (File file : files) { 6651 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6652 && !PackageInstallerService.isStageName(file.getName()); 6653 if (!isPackage) { 6654 // Ignore entries which are not packages 6655 continue; 6656 } 6657 try { 6658 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6659 scanFlags, currentTime, null); 6660 } catch (PackageManagerException e) { 6661 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6662 6663 // Delete invalid userdata apps 6664 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6665 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6666 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6667 removeCodePathLI(file); 6668 } 6669 } 6670 } 6671 } 6672 6673 private static File getSettingsProblemFile() { 6674 File dataDir = Environment.getDataDirectory(); 6675 File systemDir = new File(dataDir, "system"); 6676 File fname = new File(systemDir, "uiderrors.txt"); 6677 return fname; 6678 } 6679 6680 static void reportSettingsProblem(int priority, String msg) { 6681 logCriticalInfo(priority, msg); 6682 } 6683 6684 static void logCriticalInfo(int priority, String msg) { 6685 Slog.println(priority, TAG, msg); 6686 EventLogTags.writePmCriticalInfo(msg); 6687 try { 6688 File fname = getSettingsProblemFile(); 6689 FileOutputStream out = new FileOutputStream(fname, true); 6690 PrintWriter pw = new FastPrintWriter(out); 6691 SimpleDateFormat formatter = new SimpleDateFormat(); 6692 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6693 pw.println(dateString + ": " + msg); 6694 pw.close(); 6695 FileUtils.setPermissions( 6696 fname.toString(), 6697 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6698 -1, -1); 6699 } catch (java.io.IOException e) { 6700 } 6701 } 6702 6703 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6704 final int policyFlags) throws PackageManagerException { 6705 if (ps != null 6706 && ps.codePath.equals(srcFile) 6707 && ps.timeStamp == srcFile.lastModified() 6708 && !isCompatSignatureUpdateNeeded(pkg) 6709 && !isRecoverSignatureUpdateNeeded(pkg)) { 6710 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6711 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6712 ArraySet<PublicKey> signingKs; 6713 synchronized (mPackages) { 6714 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6715 } 6716 if (ps.signatures.mSignatures != null 6717 && ps.signatures.mSignatures.length != 0 6718 && signingKs != null) { 6719 // Optimization: reuse the existing cached certificates 6720 // if the package appears to be unchanged. 6721 pkg.mSignatures = ps.signatures.mSignatures; 6722 pkg.mSigningKeys = signingKs; 6723 return; 6724 } 6725 6726 Slog.w(TAG, "PackageSetting for " + ps.name 6727 + " is missing signatures. Collecting certs again to recover them."); 6728 } else { 6729 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6730 } 6731 6732 try { 6733 PackageParser.collectCertificates(pkg, policyFlags); 6734 } catch (PackageParserException e) { 6735 throw PackageManagerException.from(e); 6736 } 6737 } 6738 6739 /** 6740 * Traces a package scan. 6741 * @see #scanPackageLI(File, int, int, long, UserHandle) 6742 */ 6743 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6744 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6745 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6746 try { 6747 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6748 } finally { 6749 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6750 } 6751 } 6752 6753 /** 6754 * Scans a package and returns the newly parsed package. 6755 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6756 */ 6757 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6758 long currentTime, UserHandle user) throws PackageManagerException { 6759 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6760 PackageParser pp = new PackageParser(); 6761 pp.setSeparateProcesses(mSeparateProcesses); 6762 pp.setOnlyCoreApps(mOnlyCore); 6763 pp.setDisplayMetrics(mMetrics); 6764 6765 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6766 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6767 } 6768 6769 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6770 final PackageParser.Package pkg; 6771 try { 6772 pkg = pp.parsePackage(scanFile, parseFlags); 6773 } catch (PackageParserException e) { 6774 throw PackageManagerException.from(e); 6775 } finally { 6776 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6777 } 6778 6779 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6780 } 6781 6782 /** 6783 * Scans a package and returns the newly parsed package. 6784 * @throws PackageManagerException on a parse error. 6785 */ 6786 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6787 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6788 throws PackageManagerException { 6789 // If the package has children and this is the first dive in the function 6790 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6791 // packages (parent and children) would be successfully scanned before the 6792 // actual scan since scanning mutates internal state and we want to atomically 6793 // install the package and its children. 6794 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6795 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6796 scanFlags |= SCAN_CHECK_ONLY; 6797 } 6798 } else { 6799 scanFlags &= ~SCAN_CHECK_ONLY; 6800 } 6801 6802 // Scan the parent 6803 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6804 scanFlags, currentTime, user); 6805 6806 // Scan the children 6807 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6808 for (int i = 0; i < childCount; i++) { 6809 PackageParser.Package childPackage = pkg.childPackages.get(i); 6810 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6811 currentTime, user); 6812 } 6813 6814 6815 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6816 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6817 } 6818 6819 return scannedPkg; 6820 } 6821 6822 /** 6823 * Scans a package and returns the newly parsed package. 6824 * @throws PackageManagerException on a parse error. 6825 */ 6826 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6827 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6828 throws PackageManagerException { 6829 PackageSetting ps = null; 6830 PackageSetting updatedPkg; 6831 // reader 6832 synchronized (mPackages) { 6833 // Look to see if we already know about this package. 6834 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6835 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6836 // This package has been renamed to its original name. Let's 6837 // use that. 6838 ps = mSettings.peekPackageLPr(oldName); 6839 } 6840 // If there was no original package, see one for the real package name. 6841 if (ps == null) { 6842 ps = mSettings.peekPackageLPr(pkg.packageName); 6843 } 6844 // Check to see if this package could be hiding/updating a system 6845 // package. Must look for it either under the original or real 6846 // package name depending on our state. 6847 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6848 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6849 6850 // If this is a package we don't know about on the system partition, we 6851 // may need to remove disabled child packages on the system partition 6852 // or may need to not add child packages if the parent apk is updated 6853 // on the data partition and no longer defines this child package. 6854 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6855 // If this is a parent package for an updated system app and this system 6856 // app got an OTA update which no longer defines some of the child packages 6857 // we have to prune them from the disabled system packages. 6858 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6859 if (disabledPs != null) { 6860 final int scannedChildCount = (pkg.childPackages != null) 6861 ? pkg.childPackages.size() : 0; 6862 final int disabledChildCount = disabledPs.childPackageNames != null 6863 ? disabledPs.childPackageNames.size() : 0; 6864 for (int i = 0; i < disabledChildCount; i++) { 6865 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6866 boolean disabledPackageAvailable = false; 6867 for (int j = 0; j < scannedChildCount; j++) { 6868 PackageParser.Package childPkg = pkg.childPackages.get(j); 6869 if (childPkg.packageName.equals(disabledChildPackageName)) { 6870 disabledPackageAvailable = true; 6871 break; 6872 } 6873 } 6874 if (!disabledPackageAvailable) { 6875 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6876 } 6877 } 6878 } 6879 } 6880 } 6881 6882 boolean updatedPkgBetter = false; 6883 // First check if this is a system package that may involve an update 6884 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6885 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6886 // it needs to drop FLAG_PRIVILEGED. 6887 if (locationIsPrivileged(scanFile)) { 6888 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6889 } else { 6890 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6891 } 6892 6893 if (ps != null && !ps.codePath.equals(scanFile)) { 6894 // The path has changed from what was last scanned... check the 6895 // version of the new path against what we have stored to determine 6896 // what to do. 6897 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6898 if (pkg.mVersionCode <= ps.versionCode) { 6899 // The system package has been updated and the code path does not match 6900 // Ignore entry. Skip it. 6901 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6902 + " ignored: updated version " + ps.versionCode 6903 + " better than this " + pkg.mVersionCode); 6904 if (!updatedPkg.codePath.equals(scanFile)) { 6905 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6906 + ps.name + " changing from " + updatedPkg.codePathString 6907 + " to " + scanFile); 6908 updatedPkg.codePath = scanFile; 6909 updatedPkg.codePathString = scanFile.toString(); 6910 updatedPkg.resourcePath = scanFile; 6911 updatedPkg.resourcePathString = scanFile.toString(); 6912 } 6913 updatedPkg.pkg = pkg; 6914 updatedPkg.versionCode = pkg.mVersionCode; 6915 6916 // Update the disabled system child packages to point to the package too. 6917 final int childCount = updatedPkg.childPackageNames != null 6918 ? updatedPkg.childPackageNames.size() : 0; 6919 for (int i = 0; i < childCount; i++) { 6920 String childPackageName = updatedPkg.childPackageNames.get(i); 6921 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6922 childPackageName); 6923 if (updatedChildPkg != null) { 6924 updatedChildPkg.pkg = pkg; 6925 updatedChildPkg.versionCode = pkg.mVersionCode; 6926 } 6927 } 6928 6929 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6930 + scanFile + " ignored: updated version " + ps.versionCode 6931 + " better than this " + pkg.mVersionCode); 6932 } else { 6933 // The current app on the system partition is better than 6934 // what we have updated to on the data partition; switch 6935 // back to the system partition version. 6936 // At this point, its safely assumed that package installation for 6937 // apps in system partition will go through. If not there won't be a working 6938 // version of the app 6939 // writer 6940 synchronized (mPackages) { 6941 // Just remove the loaded entries from package lists. 6942 mPackages.remove(ps.name); 6943 } 6944 6945 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6946 + " reverting from " + ps.codePathString 6947 + ": new version " + pkg.mVersionCode 6948 + " better than installed " + ps.versionCode); 6949 6950 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6951 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6952 synchronized (mInstallLock) { 6953 args.cleanUpResourcesLI(); 6954 } 6955 synchronized (mPackages) { 6956 mSettings.enableSystemPackageLPw(ps.name); 6957 } 6958 updatedPkgBetter = true; 6959 } 6960 } 6961 } 6962 6963 if (updatedPkg != null) { 6964 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6965 // initially 6966 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6967 6968 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6969 // flag set initially 6970 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6971 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6972 } 6973 } 6974 6975 // Verify certificates against what was last scanned 6976 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6977 6978 /* 6979 * A new system app appeared, but we already had a non-system one of the 6980 * same name installed earlier. 6981 */ 6982 boolean shouldHideSystemApp = false; 6983 if (updatedPkg == null && ps != null 6984 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6985 /* 6986 * Check to make sure the signatures match first. If they don't, 6987 * wipe the installed application and its data. 6988 */ 6989 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6990 != PackageManager.SIGNATURE_MATCH) { 6991 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6992 + " signatures don't match existing userdata copy; removing"); 6993 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6994 "scanPackageInternalLI")) { 6995 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6996 } 6997 ps = null; 6998 } else { 6999 /* 7000 * If the newly-added system app is an older version than the 7001 * already installed version, hide it. It will be scanned later 7002 * and re-added like an update. 7003 */ 7004 if (pkg.mVersionCode <= ps.versionCode) { 7005 shouldHideSystemApp = true; 7006 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7007 + " but new version " + pkg.mVersionCode + " better than installed " 7008 + ps.versionCode + "; hiding system"); 7009 } else { 7010 /* 7011 * The newly found system app is a newer version that the 7012 * one previously installed. Simply remove the 7013 * already-installed application and replace it with our own 7014 * while keeping the application data. 7015 */ 7016 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7017 + " reverting from " + ps.codePathString + ": new version " 7018 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7019 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7020 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7021 synchronized (mInstallLock) { 7022 args.cleanUpResourcesLI(); 7023 } 7024 } 7025 } 7026 } 7027 7028 // The apk is forward locked (not public) if its code and resources 7029 // are kept in different files. (except for app in either system or 7030 // vendor path). 7031 // TODO grab this value from PackageSettings 7032 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7033 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7034 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7035 } 7036 } 7037 7038 // TODO: extend to support forward-locked splits 7039 String resourcePath = null; 7040 String baseResourcePath = null; 7041 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7042 if (ps != null && ps.resourcePathString != null) { 7043 resourcePath = ps.resourcePathString; 7044 baseResourcePath = ps.resourcePathString; 7045 } else { 7046 // Should not happen at all. Just log an error. 7047 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7048 } 7049 } else { 7050 resourcePath = pkg.codePath; 7051 baseResourcePath = pkg.baseCodePath; 7052 } 7053 7054 // Set application objects path explicitly. 7055 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7056 pkg.setApplicationInfoCodePath(pkg.codePath); 7057 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7058 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7059 pkg.setApplicationInfoResourcePath(resourcePath); 7060 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7061 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7062 7063 // Note that we invoke the following method only if we are about to unpack an application 7064 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7065 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7066 7067 /* 7068 * If the system app should be overridden by a previously installed 7069 * data, hide the system app now and let the /data/app scan pick it up 7070 * again. 7071 */ 7072 if (shouldHideSystemApp) { 7073 synchronized (mPackages) { 7074 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7075 } 7076 } 7077 7078 return scannedPkg; 7079 } 7080 7081 private static String fixProcessName(String defProcessName, 7082 String processName, int uid) { 7083 if (processName == null) { 7084 return defProcessName; 7085 } 7086 return processName; 7087 } 7088 7089 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7090 throws PackageManagerException { 7091 if (pkgSetting.signatures.mSignatures != null) { 7092 // Already existing package. Make sure signatures match 7093 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7094 == PackageManager.SIGNATURE_MATCH; 7095 if (!match) { 7096 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7097 == PackageManager.SIGNATURE_MATCH; 7098 } 7099 if (!match) { 7100 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7101 == PackageManager.SIGNATURE_MATCH; 7102 } 7103 if (!match) { 7104 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7105 + pkg.packageName + " signatures do not match the " 7106 + "previously installed version; ignoring!"); 7107 } 7108 } 7109 7110 // Check for shared user signatures 7111 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7112 // Already existing package. Make sure signatures match 7113 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7114 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7115 if (!match) { 7116 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7117 == PackageManager.SIGNATURE_MATCH; 7118 } 7119 if (!match) { 7120 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7121 == PackageManager.SIGNATURE_MATCH; 7122 } 7123 if (!match) { 7124 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7125 "Package " + pkg.packageName 7126 + " has no signatures that match those in shared user " 7127 + pkgSetting.sharedUser.name + "; ignoring!"); 7128 } 7129 } 7130 } 7131 7132 /** 7133 * Enforces that only the system UID or root's UID can call a method exposed 7134 * via Binder. 7135 * 7136 * @param message used as message if SecurityException is thrown 7137 * @throws SecurityException if the caller is not system or root 7138 */ 7139 private static final void enforceSystemOrRoot(String message) { 7140 final int uid = Binder.getCallingUid(); 7141 if (uid != Process.SYSTEM_UID && uid != 0) { 7142 throw new SecurityException(message); 7143 } 7144 } 7145 7146 @Override 7147 public void performFstrimIfNeeded() { 7148 enforceSystemOrRoot("Only the system can request fstrim"); 7149 7150 // Before everything else, see whether we need to fstrim. 7151 try { 7152 IMountService ms = PackageHelper.getMountService(); 7153 if (ms != null) { 7154 final boolean isUpgrade = isUpgrade(); 7155 boolean doTrim = isUpgrade; 7156 if (doTrim) { 7157 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7158 } else { 7159 final long interval = android.provider.Settings.Global.getLong( 7160 mContext.getContentResolver(), 7161 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7162 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7163 if (interval > 0) { 7164 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7165 if (timeSinceLast > interval) { 7166 doTrim = true; 7167 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7168 + "; running immediately"); 7169 } 7170 } 7171 } 7172 if (doTrim) { 7173 if (!isFirstBoot()) { 7174 try { 7175 ActivityManagerNative.getDefault().showBootMessage( 7176 mContext.getResources().getString( 7177 R.string.android_upgrading_fstrim), true); 7178 } catch (RemoteException e) { 7179 } 7180 } 7181 ms.runMaintenance(); 7182 } 7183 } else { 7184 Slog.e(TAG, "Mount service unavailable!"); 7185 } 7186 } catch (RemoteException e) { 7187 // Can't happen; MountService is local 7188 } 7189 } 7190 7191 @Override 7192 public void updatePackagesIfNeeded() { 7193 enforceSystemOrRoot("Only the system can request package update"); 7194 7195 // We need to re-extract after an OTA. 7196 boolean causeUpgrade = isUpgrade(); 7197 7198 // First boot or factory reset. 7199 // Note: we also handle devices that are upgrading to N right now as if it is their 7200 // first boot, as they do not have profile data. 7201 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7202 7203 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7204 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7205 7206 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7207 return; 7208 } 7209 7210 List<PackageParser.Package> pkgs; 7211 synchronized (mPackages) { 7212 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7213 } 7214 7215 int numberOfPackagesVisited = 0; 7216 int numberOfPackagesOptimized = 0; 7217 int numberOfPackagesSkipped = 0; 7218 int numberOfPackagesFailed = 0; 7219 final int numberOfPackagesToDexopt = pkgs.size(); 7220 final long startTime = System.nanoTime(); 7221 7222 for (PackageParser.Package pkg : pkgs) { 7223 numberOfPackagesVisited++; 7224 7225 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7226 if (DEBUG_DEXOPT) { 7227 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7228 } 7229 numberOfPackagesSkipped++; 7230 continue; 7231 } 7232 7233 if (DEBUG_DEXOPT) { 7234 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7235 numberOfPackagesToDexopt + ": " + pkg.packageName); 7236 } 7237 7238 if (mIsPreNUpgrade) { 7239 try { 7240 ActivityManagerNative.getDefault().showBootMessage( 7241 mContext.getResources().getString(R.string.android_upgrading_apk, 7242 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7243 } catch (RemoteException e) { 7244 } 7245 } 7246 7247 // checkProfiles is false to avoid merging profiles during boot which 7248 // might interfere with background compilation (b/28612421). 7249 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7250 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7251 // trade-off worth doing to save boot time work. 7252 int dexOptStatus = performDexOptTraced(pkg.packageName, 7253 null /* instructionSet */, 7254 false /* checkProfiles */, 7255 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT), 7256 false /* force */); 7257 switch (dexOptStatus) { 7258 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7259 numberOfPackagesOptimized++; 7260 break; 7261 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7262 numberOfPackagesSkipped++; 7263 break; 7264 case PackageDexOptimizer.DEX_OPT_FAILED: 7265 numberOfPackagesFailed++; 7266 break; 7267 default: 7268 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7269 break; 7270 } 7271 } 7272 7273 final int elapsedTimeSeconds = 7274 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7275 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", numberOfPackagesOptimized); 7276 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", numberOfPackagesSkipped); 7277 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", numberOfPackagesFailed); 7278 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7279 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7280 } 7281 7282 @Override 7283 public void notifyPackageUse(String packageName, int reason) { 7284 synchronized (mPackages) { 7285 PackageParser.Package p = mPackages.get(packageName); 7286 if (p == null) { 7287 return; 7288 } 7289 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7290 } 7291 } 7292 7293 // TODO: this is not used nor needed. Delete it. 7294 @Override 7295 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7296 int dexOptStatus = performDexOptTraced(packageName, instructionSet, 7297 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7298 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7299 } 7300 7301 @Override 7302 public boolean performDexOpt(String packageName, String instructionSet, 7303 boolean checkProfiles, int compileReason, boolean force) { 7304 int dexOptStatus = performDexOptTraced(packageName, instructionSet, checkProfiles, 7305 getCompilerFilterForReason(compileReason), force); 7306 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7307 } 7308 7309 @Override 7310 public boolean performDexOptMode(String packageName, String instructionSet, 7311 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7312 int dexOptStatus = performDexOptTraced(packageName, instructionSet, checkProfiles, 7313 targetCompilerFilter, force); 7314 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7315 } 7316 7317 private int performDexOptTraced(String packageName, String instructionSet, 7318 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7319 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7320 try { 7321 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7322 targetCompilerFilter, force); 7323 } finally { 7324 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7325 } 7326 } 7327 7328 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7329 // if the package can now be considered up to date for the given filter. 7330 private int performDexOptInternal(String packageName, String instructionSet, 7331 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7332 PackageParser.Package p; 7333 final String targetInstructionSet; 7334 synchronized (mPackages) { 7335 p = mPackages.get(packageName); 7336 if (p == null) { 7337 // Package could not be found. Report failure. 7338 return PackageDexOptimizer.DEX_OPT_FAILED; 7339 } 7340 mPackageUsage.write(false); 7341 7342 targetInstructionSet = instructionSet != null ? instructionSet : 7343 getPrimaryInstructionSet(p.applicationInfo); 7344 } 7345 long callingId = Binder.clearCallingIdentity(); 7346 try { 7347 synchronized (mInstallLock) { 7348 final String[] instructionSets = new String[] { targetInstructionSet }; 7349 return performDexOptInternalWithDependenciesLI(p, instructionSets, checkProfiles, 7350 targetCompilerFilter, force); 7351 } 7352 } finally { 7353 Binder.restoreCallingIdentity(callingId); 7354 } 7355 } 7356 7357 public ArraySet<String> getOptimizablePackages() { 7358 ArraySet<String> pkgs = new ArraySet<String>(); 7359 synchronized (mPackages) { 7360 for (PackageParser.Package p : mPackages.values()) { 7361 if (PackageDexOptimizer.canOptimizePackage(p)) { 7362 pkgs.add(p.packageName); 7363 } 7364 } 7365 } 7366 return pkgs; 7367 } 7368 7369 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7370 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7371 boolean force) { 7372 // Select the dex optimizer based on the force parameter. 7373 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7374 // allocate an object here. 7375 PackageDexOptimizer pdo = force 7376 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7377 : mPackageDexOptimizer; 7378 7379 // Optimize all dependencies first. Note: we ignore the return value and march on 7380 // on errors. 7381 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7382 if (!deps.isEmpty()) { 7383 for (PackageParser.Package depPackage : deps) { 7384 // TODO: Analyze and investigate if we (should) profile libraries. 7385 // Currently this will do a full compilation of the library by default. 7386 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7387 false /* checkProfiles */, 7388 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7389 } 7390 } 7391 7392 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7393 targetCompilerFilter); 7394 } 7395 7396 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7397 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7398 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7399 Set<String> collectedNames = new HashSet<>(); 7400 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7401 7402 retValue.remove(p); 7403 7404 return retValue; 7405 } else { 7406 return Collections.emptyList(); 7407 } 7408 } 7409 7410 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7411 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7412 if (!collectedNames.contains(p.packageName)) { 7413 collectedNames.add(p.packageName); 7414 collected.add(p); 7415 7416 if (p.usesLibraries != null) { 7417 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7418 } 7419 if (p.usesOptionalLibraries != null) { 7420 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7421 collectedNames); 7422 } 7423 } 7424 } 7425 7426 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7427 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7428 for (String libName : libs) { 7429 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7430 if (libPkg != null) { 7431 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7432 } 7433 } 7434 } 7435 7436 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7437 synchronized (mPackages) { 7438 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7439 if (lib != null && lib.apk != null) { 7440 return mPackages.get(lib.apk); 7441 } 7442 } 7443 return null; 7444 } 7445 7446 public void shutdown() { 7447 mPackageUsage.write(true); 7448 } 7449 7450 @Override 7451 public void forceDexOpt(String packageName) { 7452 enforceSystemOrRoot("forceDexOpt"); 7453 7454 PackageParser.Package pkg; 7455 synchronized (mPackages) { 7456 pkg = mPackages.get(packageName); 7457 if (pkg == null) { 7458 throw new IllegalArgumentException("Unknown package: " + packageName); 7459 } 7460 } 7461 7462 synchronized (mInstallLock) { 7463 final String[] instructionSets = new String[] { 7464 getPrimaryInstructionSet(pkg.applicationInfo) }; 7465 7466 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7467 7468 // Whoever is calling forceDexOpt wants a fully compiled package. 7469 // Don't use profiles since that may cause compilation to be skipped. 7470 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7471 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7472 true /* force */); 7473 7474 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7475 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7476 throw new IllegalStateException("Failed to dexopt: " + res); 7477 } 7478 } 7479 } 7480 7481 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7482 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7483 Slog.w(TAG, "Unable to update from " + oldPkg.name 7484 + " to " + newPkg.packageName 7485 + ": old package not in system partition"); 7486 return false; 7487 } else if (mPackages.get(oldPkg.name) != null) { 7488 Slog.w(TAG, "Unable to update from " + oldPkg.name 7489 + " to " + newPkg.packageName 7490 + ": old package still exists"); 7491 return false; 7492 } 7493 return true; 7494 } 7495 7496 void removeCodePathLI(File codePath) { 7497 if (codePath.isDirectory()) { 7498 try { 7499 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7500 } catch (InstallerException e) { 7501 Slog.w(TAG, "Failed to remove code path", e); 7502 } 7503 } else { 7504 codePath.delete(); 7505 } 7506 } 7507 7508 private int[] resolveUserIds(int userId) { 7509 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7510 } 7511 7512 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7513 if (pkg == null) { 7514 Slog.wtf(TAG, "Package was null!", new Throwable()); 7515 return; 7516 } 7517 clearAppDataLeafLIF(pkg, userId, flags); 7518 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7519 for (int i = 0; i < childCount; i++) { 7520 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7521 } 7522 } 7523 7524 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7525 final PackageSetting ps; 7526 synchronized (mPackages) { 7527 ps = mSettings.mPackages.get(pkg.packageName); 7528 } 7529 for (int realUserId : resolveUserIds(userId)) { 7530 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7531 try { 7532 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7533 ceDataInode); 7534 } catch (InstallerException e) { 7535 Slog.w(TAG, String.valueOf(e)); 7536 } 7537 } 7538 } 7539 7540 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7541 if (pkg == null) { 7542 Slog.wtf(TAG, "Package was null!", new Throwable()); 7543 return; 7544 } 7545 destroyAppDataLeafLIF(pkg, userId, flags); 7546 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7547 for (int i = 0; i < childCount; i++) { 7548 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7549 } 7550 } 7551 7552 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7553 final PackageSetting ps; 7554 synchronized (mPackages) { 7555 ps = mSettings.mPackages.get(pkg.packageName); 7556 } 7557 for (int realUserId : resolveUserIds(userId)) { 7558 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7559 try { 7560 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7561 ceDataInode); 7562 } catch (InstallerException e) { 7563 Slog.w(TAG, String.valueOf(e)); 7564 } 7565 } 7566 } 7567 7568 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7569 if (pkg == null) { 7570 Slog.wtf(TAG, "Package was null!", new Throwable()); 7571 return; 7572 } 7573 destroyAppProfilesLeafLIF(pkg); 7574 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7575 for (int i = 0; i < childCount; i++) { 7576 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7577 } 7578 } 7579 7580 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7581 try { 7582 mInstaller.destroyAppProfiles(pkg.packageName); 7583 } catch (InstallerException e) { 7584 Slog.w(TAG, String.valueOf(e)); 7585 } 7586 } 7587 7588 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7589 if (pkg == null) { 7590 Slog.wtf(TAG, "Package was null!", new Throwable()); 7591 return; 7592 } 7593 clearAppProfilesLeafLIF(pkg); 7594 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7595 for (int i = 0; i < childCount; i++) { 7596 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7597 } 7598 } 7599 7600 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7601 try { 7602 mInstaller.clearAppProfiles(pkg.packageName); 7603 } catch (InstallerException e) { 7604 Slog.w(TAG, String.valueOf(e)); 7605 } 7606 } 7607 7608 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7609 long lastUpdateTime) { 7610 // Set parent install/update time 7611 PackageSetting ps = (PackageSetting) pkg.mExtras; 7612 if (ps != null) { 7613 ps.firstInstallTime = firstInstallTime; 7614 ps.lastUpdateTime = lastUpdateTime; 7615 } 7616 // Set children install/update time 7617 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7618 for (int i = 0; i < childCount; i++) { 7619 PackageParser.Package childPkg = pkg.childPackages.get(i); 7620 ps = (PackageSetting) childPkg.mExtras; 7621 if (ps != null) { 7622 ps.firstInstallTime = firstInstallTime; 7623 ps.lastUpdateTime = lastUpdateTime; 7624 } 7625 } 7626 } 7627 7628 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7629 PackageParser.Package changingLib) { 7630 if (file.path != null) { 7631 usesLibraryFiles.add(file.path); 7632 return; 7633 } 7634 PackageParser.Package p = mPackages.get(file.apk); 7635 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7636 // If we are doing this while in the middle of updating a library apk, 7637 // then we need to make sure to use that new apk for determining the 7638 // dependencies here. (We haven't yet finished committing the new apk 7639 // to the package manager state.) 7640 if (p == null || p.packageName.equals(changingLib.packageName)) { 7641 p = changingLib; 7642 } 7643 } 7644 if (p != null) { 7645 usesLibraryFiles.addAll(p.getAllCodePaths()); 7646 } 7647 } 7648 7649 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7650 PackageParser.Package changingLib) throws PackageManagerException { 7651 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7652 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7653 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7654 for (int i=0; i<N; i++) { 7655 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7656 if (file == null) { 7657 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7658 "Package " + pkg.packageName + " requires unavailable shared library " 7659 + pkg.usesLibraries.get(i) + "; failing!"); 7660 } 7661 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7662 } 7663 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7664 for (int i=0; i<N; i++) { 7665 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7666 if (file == null) { 7667 Slog.w(TAG, "Package " + pkg.packageName 7668 + " desires unavailable shared library " 7669 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7670 } else { 7671 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7672 } 7673 } 7674 N = usesLibraryFiles.size(); 7675 if (N > 0) { 7676 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7677 } else { 7678 pkg.usesLibraryFiles = null; 7679 } 7680 } 7681 } 7682 7683 private static boolean hasString(List<String> list, List<String> which) { 7684 if (list == null) { 7685 return false; 7686 } 7687 for (int i=list.size()-1; i>=0; i--) { 7688 for (int j=which.size()-1; j>=0; j--) { 7689 if (which.get(j).equals(list.get(i))) { 7690 return true; 7691 } 7692 } 7693 } 7694 return false; 7695 } 7696 7697 private void updateAllSharedLibrariesLPw() { 7698 for (PackageParser.Package pkg : mPackages.values()) { 7699 try { 7700 updateSharedLibrariesLPw(pkg, null); 7701 } catch (PackageManagerException e) { 7702 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7703 } 7704 } 7705 } 7706 7707 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7708 PackageParser.Package changingPkg) { 7709 ArrayList<PackageParser.Package> res = null; 7710 for (PackageParser.Package pkg : mPackages.values()) { 7711 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7712 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7713 if (res == null) { 7714 res = new ArrayList<PackageParser.Package>(); 7715 } 7716 res.add(pkg); 7717 try { 7718 updateSharedLibrariesLPw(pkg, changingPkg); 7719 } catch (PackageManagerException e) { 7720 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7721 } 7722 } 7723 } 7724 return res; 7725 } 7726 7727 /** 7728 * Derive the value of the {@code cpuAbiOverride} based on the provided 7729 * value and an optional stored value from the package settings. 7730 */ 7731 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7732 String cpuAbiOverride = null; 7733 7734 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7735 cpuAbiOverride = null; 7736 } else if (abiOverride != null) { 7737 cpuAbiOverride = abiOverride; 7738 } else if (settings != null) { 7739 cpuAbiOverride = settings.cpuAbiOverrideString; 7740 } 7741 7742 return cpuAbiOverride; 7743 } 7744 7745 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7746 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7747 throws PackageManagerException { 7748 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7749 // If the package has children and this is the first dive in the function 7750 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7751 // whether all packages (parent and children) would be successfully scanned 7752 // before the actual scan since scanning mutates internal state and we want 7753 // to atomically install the package and its children. 7754 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7755 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7756 scanFlags |= SCAN_CHECK_ONLY; 7757 } 7758 } else { 7759 scanFlags &= ~SCAN_CHECK_ONLY; 7760 } 7761 7762 final PackageParser.Package scannedPkg; 7763 try { 7764 // Scan the parent 7765 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7766 // Scan the children 7767 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7768 for (int i = 0; i < childCount; i++) { 7769 PackageParser.Package childPkg = pkg.childPackages.get(i); 7770 scanPackageLI(childPkg, policyFlags, 7771 scanFlags, currentTime, user); 7772 } 7773 } finally { 7774 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7775 } 7776 7777 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7778 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7779 } 7780 7781 return scannedPkg; 7782 } 7783 7784 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7785 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7786 boolean success = false; 7787 try { 7788 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7789 currentTime, user); 7790 success = true; 7791 return res; 7792 } finally { 7793 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7794 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7795 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7796 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7797 destroyAppProfilesLIF(pkg); 7798 } 7799 } 7800 } 7801 7802 /** 7803 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7804 */ 7805 private static boolean apkHasCode(String fileName) { 7806 StrictJarFile jarFile = null; 7807 try { 7808 jarFile = new StrictJarFile(fileName, 7809 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7810 return jarFile.findEntry("classes.dex") != null; 7811 } catch (IOException ignore) { 7812 } finally { 7813 try { 7814 jarFile.close(); 7815 } catch (IOException ignore) {} 7816 } 7817 return false; 7818 } 7819 7820 /** 7821 * Enforces code policy for the package. This ensures that if an APK has 7822 * declared hasCode="true" in its manifest that the APK actually contains 7823 * code. 7824 * 7825 * @throws PackageManagerException If bytecode could not be found when it should exist 7826 */ 7827 private static void enforceCodePolicy(PackageParser.Package pkg) 7828 throws PackageManagerException { 7829 final boolean shouldHaveCode = 7830 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7831 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7832 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7833 "Package " + pkg.baseCodePath + " code is missing"); 7834 } 7835 7836 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7837 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7838 final boolean splitShouldHaveCode = 7839 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7840 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7841 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7842 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7843 } 7844 } 7845 } 7846 } 7847 7848 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7849 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7850 throws PackageManagerException { 7851 final File scanFile = new File(pkg.codePath); 7852 if (pkg.applicationInfo.getCodePath() == null || 7853 pkg.applicationInfo.getResourcePath() == null) { 7854 // Bail out. The resource and code paths haven't been set. 7855 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7856 "Code and resource paths haven't been set correctly"); 7857 } 7858 7859 // Apply policy 7860 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7861 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7862 if (pkg.applicationInfo.isDirectBootAware()) { 7863 // we're direct boot aware; set for all components 7864 for (PackageParser.Service s : pkg.services) { 7865 s.info.encryptionAware = s.info.directBootAware = true; 7866 } 7867 for (PackageParser.Provider p : pkg.providers) { 7868 p.info.encryptionAware = p.info.directBootAware = true; 7869 } 7870 for (PackageParser.Activity a : pkg.activities) { 7871 a.info.encryptionAware = a.info.directBootAware = true; 7872 } 7873 for (PackageParser.Activity r : pkg.receivers) { 7874 r.info.encryptionAware = r.info.directBootAware = true; 7875 } 7876 } 7877 } else { 7878 // Only allow system apps to be flagged as core apps. 7879 pkg.coreApp = false; 7880 // clear flags not applicable to regular apps 7881 pkg.applicationInfo.privateFlags &= 7882 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7883 pkg.applicationInfo.privateFlags &= 7884 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7885 } 7886 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7887 7888 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7889 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7890 } 7891 7892 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7893 enforceCodePolicy(pkg); 7894 } 7895 7896 if (mCustomResolverComponentName != null && 7897 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7898 setUpCustomResolverActivity(pkg); 7899 } 7900 7901 if (pkg.packageName.equals("android")) { 7902 synchronized (mPackages) { 7903 if (mAndroidApplication != null) { 7904 Slog.w(TAG, "*************************************************"); 7905 Slog.w(TAG, "Core android package being redefined. Skipping."); 7906 Slog.w(TAG, " file=" + scanFile); 7907 Slog.w(TAG, "*************************************************"); 7908 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7909 "Core android package being redefined. Skipping."); 7910 } 7911 7912 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7913 // Set up information for our fall-back user intent resolution activity. 7914 mPlatformPackage = pkg; 7915 pkg.mVersionCode = mSdkVersion; 7916 mAndroidApplication = pkg.applicationInfo; 7917 7918 if (!mResolverReplaced) { 7919 mResolveActivity.applicationInfo = mAndroidApplication; 7920 mResolveActivity.name = ResolverActivity.class.getName(); 7921 mResolveActivity.packageName = mAndroidApplication.packageName; 7922 mResolveActivity.processName = "system:ui"; 7923 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7924 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7925 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7926 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7927 mResolveActivity.exported = true; 7928 mResolveActivity.enabled = true; 7929 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7930 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7931 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7932 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7933 | ActivityInfo.CONFIG_ORIENTATION 7934 | ActivityInfo.CONFIG_KEYBOARD 7935 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7936 mResolveInfo.activityInfo = mResolveActivity; 7937 mResolveInfo.priority = 0; 7938 mResolveInfo.preferredOrder = 0; 7939 mResolveInfo.match = 0; 7940 mResolveComponentName = new ComponentName( 7941 mAndroidApplication.packageName, mResolveActivity.name); 7942 } 7943 } 7944 } 7945 } 7946 7947 if (DEBUG_PACKAGE_SCANNING) { 7948 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7949 Log.d(TAG, "Scanning package " + pkg.packageName); 7950 } 7951 7952 synchronized (mPackages) { 7953 if (mPackages.containsKey(pkg.packageName) 7954 || mSharedLibraries.containsKey(pkg.packageName)) { 7955 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7956 "Application package " + pkg.packageName 7957 + " already installed. Skipping duplicate."); 7958 } 7959 7960 // If we're only installing presumed-existing packages, require that the 7961 // scanned APK is both already known and at the path previously established 7962 // for it. Previously unknown packages we pick up normally, but if we have an 7963 // a priori expectation about this package's install presence, enforce it. 7964 // With a singular exception for new system packages. When an OTA contains 7965 // a new system package, we allow the codepath to change from a system location 7966 // to the user-installed location. If we don't allow this change, any newer, 7967 // user-installed version of the application will be ignored. 7968 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7969 if (mExpectingBetter.containsKey(pkg.packageName)) { 7970 logCriticalInfo(Log.WARN, 7971 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7972 } else { 7973 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7974 if (known != null) { 7975 if (DEBUG_PACKAGE_SCANNING) { 7976 Log.d(TAG, "Examining " + pkg.codePath 7977 + " and requiring known paths " + known.codePathString 7978 + " & " + known.resourcePathString); 7979 } 7980 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7981 || !pkg.applicationInfo.getResourcePath().equals( 7982 known.resourcePathString)) { 7983 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7984 "Application package " + pkg.packageName 7985 + " found at " + pkg.applicationInfo.getCodePath() 7986 + " but expected at " + known.codePathString 7987 + "; ignoring."); 7988 } 7989 } 7990 } 7991 } 7992 } 7993 7994 // Initialize package source and resource directories 7995 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7996 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7997 7998 SharedUserSetting suid = null; 7999 PackageSetting pkgSetting = null; 8000 8001 if (!isSystemApp(pkg)) { 8002 // Only system apps can use these features. 8003 pkg.mOriginalPackages = null; 8004 pkg.mRealPackage = null; 8005 pkg.mAdoptPermissions = null; 8006 } 8007 8008 // Getting the package setting may have a side-effect, so if we 8009 // are only checking if scan would succeed, stash a copy of the 8010 // old setting to restore at the end. 8011 PackageSetting nonMutatedPs = null; 8012 8013 // writer 8014 synchronized (mPackages) { 8015 if (pkg.mSharedUserId != null) { 8016 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8017 if (suid == null) { 8018 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8019 "Creating application package " + pkg.packageName 8020 + " for shared user failed"); 8021 } 8022 if (DEBUG_PACKAGE_SCANNING) { 8023 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8024 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8025 + "): packages=" + suid.packages); 8026 } 8027 } 8028 8029 // Check if we are renaming from an original package name. 8030 PackageSetting origPackage = null; 8031 String realName = null; 8032 if (pkg.mOriginalPackages != null) { 8033 // This package may need to be renamed to a previously 8034 // installed name. Let's check on that... 8035 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8036 if (pkg.mOriginalPackages.contains(renamed)) { 8037 // This package had originally been installed as the 8038 // original name, and we have already taken care of 8039 // transitioning to the new one. Just update the new 8040 // one to continue using the old name. 8041 realName = pkg.mRealPackage; 8042 if (!pkg.packageName.equals(renamed)) { 8043 // Callers into this function may have already taken 8044 // care of renaming the package; only do it here if 8045 // it is not already done. 8046 pkg.setPackageName(renamed); 8047 } 8048 8049 } else { 8050 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8051 if ((origPackage = mSettings.peekPackageLPr( 8052 pkg.mOriginalPackages.get(i))) != null) { 8053 // We do have the package already installed under its 8054 // original name... should we use it? 8055 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8056 // New package is not compatible with original. 8057 origPackage = null; 8058 continue; 8059 } else if (origPackage.sharedUser != null) { 8060 // Make sure uid is compatible between packages. 8061 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8062 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8063 + " to " + pkg.packageName + ": old uid " 8064 + origPackage.sharedUser.name 8065 + " differs from " + pkg.mSharedUserId); 8066 origPackage = null; 8067 continue; 8068 } 8069 // TODO: Add case when shared user id is added [b/28144775] 8070 } else { 8071 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8072 + pkg.packageName + " to old name " + origPackage.name); 8073 } 8074 break; 8075 } 8076 } 8077 } 8078 } 8079 8080 if (mTransferedPackages.contains(pkg.packageName)) { 8081 Slog.w(TAG, "Package " + pkg.packageName 8082 + " was transferred to another, but its .apk remains"); 8083 } 8084 8085 // See comments in nonMutatedPs declaration 8086 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8087 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8088 if (foundPs != null) { 8089 nonMutatedPs = new PackageSetting(foundPs); 8090 } 8091 } 8092 8093 // Just create the setting, don't add it yet. For already existing packages 8094 // the PkgSetting exists already and doesn't have to be created. 8095 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8096 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8097 pkg.applicationInfo.primaryCpuAbi, 8098 pkg.applicationInfo.secondaryCpuAbi, 8099 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8100 user, false); 8101 if (pkgSetting == null) { 8102 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8103 "Creating application package " + pkg.packageName + " failed"); 8104 } 8105 8106 if (pkgSetting.origPackage != null) { 8107 // If we are first transitioning from an original package, 8108 // fix up the new package's name now. We need to do this after 8109 // looking up the package under its new name, so getPackageLP 8110 // can take care of fiddling things correctly. 8111 pkg.setPackageName(origPackage.name); 8112 8113 // File a report about this. 8114 String msg = "New package " + pkgSetting.realName 8115 + " renamed to replace old package " + pkgSetting.name; 8116 reportSettingsProblem(Log.WARN, msg); 8117 8118 // Make a note of it. 8119 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8120 mTransferedPackages.add(origPackage.name); 8121 } 8122 8123 // No longer need to retain this. 8124 pkgSetting.origPackage = null; 8125 } 8126 8127 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8128 // Make a note of it. 8129 mTransferedPackages.add(pkg.packageName); 8130 } 8131 8132 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8133 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8134 } 8135 8136 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8137 // Check all shared libraries and map to their actual file path. 8138 // We only do this here for apps not on a system dir, because those 8139 // are the only ones that can fail an install due to this. We 8140 // will take care of the system apps by updating all of their 8141 // library paths after the scan is done. 8142 updateSharedLibrariesLPw(pkg, null); 8143 } 8144 8145 if (mFoundPolicyFile) { 8146 SELinuxMMAC.assignSeinfoValue(pkg); 8147 } 8148 8149 pkg.applicationInfo.uid = pkgSetting.appId; 8150 pkg.mExtras = pkgSetting; 8151 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8152 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8153 // We just determined the app is signed correctly, so bring 8154 // over the latest parsed certs. 8155 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8156 } else { 8157 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8158 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8159 "Package " + pkg.packageName + " upgrade keys do not match the " 8160 + "previously installed version"); 8161 } else { 8162 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8163 String msg = "System package " + pkg.packageName 8164 + " signature changed; retaining data."; 8165 reportSettingsProblem(Log.WARN, msg); 8166 } 8167 } 8168 } else { 8169 try { 8170 verifySignaturesLP(pkgSetting, pkg); 8171 // We just determined the app is signed correctly, so bring 8172 // over the latest parsed certs. 8173 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8174 } catch (PackageManagerException e) { 8175 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8176 throw e; 8177 } 8178 // The signature has changed, but this package is in the system 8179 // image... let's recover! 8180 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8181 // However... if this package is part of a shared user, but it 8182 // doesn't match the signature of the shared user, let's fail. 8183 // What this means is that you can't change the signatures 8184 // associated with an overall shared user, which doesn't seem all 8185 // that unreasonable. 8186 if (pkgSetting.sharedUser != null) { 8187 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8188 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8189 throw new PackageManagerException( 8190 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8191 "Signature mismatch for shared user: " 8192 + pkgSetting.sharedUser); 8193 } 8194 } 8195 // File a report about this. 8196 String msg = "System package " + pkg.packageName 8197 + " signature changed; retaining data."; 8198 reportSettingsProblem(Log.WARN, msg); 8199 } 8200 } 8201 // Verify that this new package doesn't have any content providers 8202 // that conflict with existing packages. Only do this if the 8203 // package isn't already installed, since we don't want to break 8204 // things that are installed. 8205 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8206 final int N = pkg.providers.size(); 8207 int i; 8208 for (i=0; i<N; i++) { 8209 PackageParser.Provider p = pkg.providers.get(i); 8210 if (p.info.authority != null) { 8211 String names[] = p.info.authority.split(";"); 8212 for (int j = 0; j < names.length; j++) { 8213 if (mProvidersByAuthority.containsKey(names[j])) { 8214 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8215 final String otherPackageName = 8216 ((other != null && other.getComponentName() != null) ? 8217 other.getComponentName().getPackageName() : "?"); 8218 throw new PackageManagerException( 8219 INSTALL_FAILED_CONFLICTING_PROVIDER, 8220 "Can't install because provider name " + names[j] 8221 + " (in package " + pkg.applicationInfo.packageName 8222 + ") is already used by " + otherPackageName); 8223 } 8224 } 8225 } 8226 } 8227 } 8228 8229 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8230 // This package wants to adopt ownership of permissions from 8231 // another package. 8232 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8233 final String origName = pkg.mAdoptPermissions.get(i); 8234 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8235 if (orig != null) { 8236 if (verifyPackageUpdateLPr(orig, pkg)) { 8237 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8238 + pkg.packageName); 8239 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8240 } 8241 } 8242 } 8243 } 8244 } 8245 8246 final String pkgName = pkg.packageName; 8247 8248 final long scanFileTime = scanFile.lastModified(); 8249 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8250 pkg.applicationInfo.processName = fixProcessName( 8251 pkg.applicationInfo.packageName, 8252 pkg.applicationInfo.processName, 8253 pkg.applicationInfo.uid); 8254 8255 if (pkg != mPlatformPackage) { 8256 // Get all of our default paths setup 8257 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8258 } 8259 8260 final String path = scanFile.getPath(); 8261 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8262 8263 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8264 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8265 8266 // Some system apps still use directory structure for native libraries 8267 // in which case we might end up not detecting abi solely based on apk 8268 // structure. Try to detect abi based on directory structure. 8269 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8270 pkg.applicationInfo.primaryCpuAbi == null) { 8271 setBundledAppAbisAndRoots(pkg, pkgSetting); 8272 setNativeLibraryPaths(pkg); 8273 } 8274 8275 } else { 8276 if ((scanFlags & SCAN_MOVE) != 0) { 8277 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8278 // but we already have this packages package info in the PackageSetting. We just 8279 // use that and derive the native library path based on the new codepath. 8280 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8281 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8282 } 8283 8284 // Set native library paths again. For moves, the path will be updated based on the 8285 // ABIs we've determined above. For non-moves, the path will be updated based on the 8286 // ABIs we determined during compilation, but the path will depend on the final 8287 // package path (after the rename away from the stage path). 8288 setNativeLibraryPaths(pkg); 8289 } 8290 8291 // This is a special case for the "system" package, where the ABI is 8292 // dictated by the zygote configuration (and init.rc). We should keep track 8293 // of this ABI so that we can deal with "normal" applications that run under 8294 // the same UID correctly. 8295 if (mPlatformPackage == pkg) { 8296 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8297 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8298 } 8299 8300 // If there's a mismatch between the abi-override in the package setting 8301 // and the abiOverride specified for the install. Warn about this because we 8302 // would've already compiled the app without taking the package setting into 8303 // account. 8304 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8305 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8306 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8307 " for package " + pkg.packageName); 8308 } 8309 } 8310 8311 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8312 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8313 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8314 8315 // Copy the derived override back to the parsed package, so that we can 8316 // update the package settings accordingly. 8317 pkg.cpuAbiOverride = cpuAbiOverride; 8318 8319 if (DEBUG_ABI_SELECTION) { 8320 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8321 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8322 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8323 } 8324 8325 // Push the derived path down into PackageSettings so we know what to 8326 // clean up at uninstall time. 8327 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8328 8329 if (DEBUG_ABI_SELECTION) { 8330 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8331 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8332 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8333 } 8334 8335 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8336 // We don't do this here during boot because we can do it all 8337 // at once after scanning all existing packages. 8338 // 8339 // We also do this *before* we perform dexopt on this package, so that 8340 // we can avoid redundant dexopts, and also to make sure we've got the 8341 // code and package path correct. 8342 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8343 pkg, true /* boot complete */); 8344 } 8345 8346 if (mFactoryTest && pkg.requestedPermissions.contains( 8347 android.Manifest.permission.FACTORY_TEST)) { 8348 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8349 } 8350 8351 ArrayList<PackageParser.Package> clientLibPkgs = null; 8352 8353 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8354 if (nonMutatedPs != null) { 8355 synchronized (mPackages) { 8356 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8357 } 8358 } 8359 return pkg; 8360 } 8361 8362 // Only privileged apps and updated privileged apps can add child packages. 8363 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8364 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8365 throw new PackageManagerException("Only privileged apps and updated " 8366 + "privileged apps can add child packages. Ignoring package " 8367 + pkg.packageName); 8368 } 8369 final int childCount = pkg.childPackages.size(); 8370 for (int i = 0; i < childCount; i++) { 8371 PackageParser.Package childPkg = pkg.childPackages.get(i); 8372 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8373 childPkg.packageName)) { 8374 throw new PackageManagerException("Cannot override a child package of " 8375 + "another disabled system app. Ignoring package " + pkg.packageName); 8376 } 8377 } 8378 } 8379 8380 // writer 8381 synchronized (mPackages) { 8382 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8383 // Only system apps can add new shared libraries. 8384 if (pkg.libraryNames != null) { 8385 for (int i=0; i<pkg.libraryNames.size(); i++) { 8386 String name = pkg.libraryNames.get(i); 8387 boolean allowed = false; 8388 if (pkg.isUpdatedSystemApp()) { 8389 // New library entries can only be added through the 8390 // system image. This is important to get rid of a lot 8391 // of nasty edge cases: for example if we allowed a non- 8392 // system update of the app to add a library, then uninstalling 8393 // the update would make the library go away, and assumptions 8394 // we made such as through app install filtering would now 8395 // have allowed apps on the device which aren't compatible 8396 // with it. Better to just have the restriction here, be 8397 // conservative, and create many fewer cases that can negatively 8398 // impact the user experience. 8399 final PackageSetting sysPs = mSettings 8400 .getDisabledSystemPkgLPr(pkg.packageName); 8401 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8402 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8403 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8404 allowed = true; 8405 break; 8406 } 8407 } 8408 } 8409 } else { 8410 allowed = true; 8411 } 8412 if (allowed) { 8413 if (!mSharedLibraries.containsKey(name)) { 8414 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8415 } else if (!name.equals(pkg.packageName)) { 8416 Slog.w(TAG, "Package " + pkg.packageName + " library " 8417 + name + " already exists; skipping"); 8418 } 8419 } else { 8420 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8421 + name + " that is not declared on system image; skipping"); 8422 } 8423 } 8424 if ((scanFlags & SCAN_BOOTING) == 0) { 8425 // If we are not booting, we need to update any applications 8426 // that are clients of our shared library. If we are booting, 8427 // this will all be done once the scan is complete. 8428 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8429 } 8430 } 8431 } 8432 } 8433 8434 if ((scanFlags & SCAN_BOOTING) != 0) { 8435 // No apps can run during boot scan, so they don't need to be frozen 8436 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8437 // Caller asked to not kill app, so it's probably not frozen 8438 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8439 // Caller asked us to ignore frozen check for some reason; they 8440 // probably didn't know the package name 8441 } else { 8442 // We're doing major surgery on this package, so it better be frozen 8443 // right now to keep it from launching 8444 checkPackageFrozen(pkgName); 8445 } 8446 8447 // Also need to kill any apps that are dependent on the library. 8448 if (clientLibPkgs != null) { 8449 for (int i=0; i<clientLibPkgs.size(); i++) { 8450 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8451 killApplication(clientPkg.applicationInfo.packageName, 8452 clientPkg.applicationInfo.uid, "update lib"); 8453 } 8454 } 8455 8456 // Make sure we're not adding any bogus keyset info 8457 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8458 ksms.assertScannedPackageValid(pkg); 8459 8460 // writer 8461 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8462 8463 boolean createIdmapFailed = false; 8464 synchronized (mPackages) { 8465 // We don't expect installation to fail beyond this point 8466 8467 // Add the new setting to mSettings 8468 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8469 // Add the new setting to mPackages 8470 mPackages.put(pkg.applicationInfo.packageName, pkg); 8471 // Make sure we don't accidentally delete its data. 8472 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8473 while (iter.hasNext()) { 8474 PackageCleanItem item = iter.next(); 8475 if (pkgName.equals(item.packageName)) { 8476 iter.remove(); 8477 } 8478 } 8479 8480 // Take care of first install / last update times. 8481 if (currentTime != 0) { 8482 if (pkgSetting.firstInstallTime == 0) { 8483 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8484 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8485 pkgSetting.lastUpdateTime = currentTime; 8486 } 8487 } else if (pkgSetting.firstInstallTime == 0) { 8488 // We need *something*. Take time time stamp of the file. 8489 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8490 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8491 if (scanFileTime != pkgSetting.timeStamp) { 8492 // A package on the system image has changed; consider this 8493 // to be an update. 8494 pkgSetting.lastUpdateTime = scanFileTime; 8495 } 8496 } 8497 8498 // Add the package's KeySets to the global KeySetManagerService 8499 ksms.addScannedPackageLPw(pkg); 8500 8501 int N = pkg.providers.size(); 8502 StringBuilder r = null; 8503 int i; 8504 for (i=0; i<N; i++) { 8505 PackageParser.Provider p = pkg.providers.get(i); 8506 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8507 p.info.processName, pkg.applicationInfo.uid); 8508 mProviders.addProvider(p); 8509 p.syncable = p.info.isSyncable; 8510 if (p.info.authority != null) { 8511 String names[] = p.info.authority.split(";"); 8512 p.info.authority = null; 8513 for (int j = 0; j < names.length; j++) { 8514 if (j == 1 && p.syncable) { 8515 // We only want the first authority for a provider to possibly be 8516 // syncable, so if we already added this provider using a different 8517 // authority clear the syncable flag. We copy the provider before 8518 // changing it because the mProviders object contains a reference 8519 // to a provider that we don't want to change. 8520 // Only do this for the second authority since the resulting provider 8521 // object can be the same for all future authorities for this provider. 8522 p = new PackageParser.Provider(p); 8523 p.syncable = false; 8524 } 8525 if (!mProvidersByAuthority.containsKey(names[j])) { 8526 mProvidersByAuthority.put(names[j], p); 8527 if (p.info.authority == null) { 8528 p.info.authority = names[j]; 8529 } else { 8530 p.info.authority = p.info.authority + ";" + names[j]; 8531 } 8532 if (DEBUG_PACKAGE_SCANNING) { 8533 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8534 Log.d(TAG, "Registered content provider: " + names[j] 8535 + ", className = " + p.info.name + ", isSyncable = " 8536 + p.info.isSyncable); 8537 } 8538 } else { 8539 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8540 Slog.w(TAG, "Skipping provider name " + names[j] + 8541 " (in package " + pkg.applicationInfo.packageName + 8542 "): name already used by " 8543 + ((other != null && other.getComponentName() != null) 8544 ? other.getComponentName().getPackageName() : "?")); 8545 } 8546 } 8547 } 8548 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8549 if (r == null) { 8550 r = new StringBuilder(256); 8551 } else { 8552 r.append(' '); 8553 } 8554 r.append(p.info.name); 8555 } 8556 } 8557 if (r != null) { 8558 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8559 } 8560 8561 N = pkg.services.size(); 8562 r = null; 8563 for (i=0; i<N; i++) { 8564 PackageParser.Service s = pkg.services.get(i); 8565 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8566 s.info.processName, pkg.applicationInfo.uid); 8567 mServices.addService(s); 8568 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8569 if (r == null) { 8570 r = new StringBuilder(256); 8571 } else { 8572 r.append(' '); 8573 } 8574 r.append(s.info.name); 8575 } 8576 } 8577 if (r != null) { 8578 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8579 } 8580 8581 N = pkg.receivers.size(); 8582 r = null; 8583 for (i=0; i<N; i++) { 8584 PackageParser.Activity a = pkg.receivers.get(i); 8585 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8586 a.info.processName, pkg.applicationInfo.uid); 8587 mReceivers.addActivity(a, "receiver"); 8588 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8589 if (r == null) { 8590 r = new StringBuilder(256); 8591 } else { 8592 r.append(' '); 8593 } 8594 r.append(a.info.name); 8595 } 8596 } 8597 if (r != null) { 8598 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8599 } 8600 8601 N = pkg.activities.size(); 8602 r = null; 8603 for (i=0; i<N; i++) { 8604 PackageParser.Activity a = pkg.activities.get(i); 8605 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8606 a.info.processName, pkg.applicationInfo.uid); 8607 mActivities.addActivity(a, "activity"); 8608 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8609 if (r == null) { 8610 r = new StringBuilder(256); 8611 } else { 8612 r.append(' '); 8613 } 8614 r.append(a.info.name); 8615 } 8616 } 8617 if (r != null) { 8618 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8619 } 8620 8621 N = pkg.permissionGroups.size(); 8622 r = null; 8623 for (i=0; i<N; i++) { 8624 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8625 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8626 if (cur == null) { 8627 mPermissionGroups.put(pg.info.name, pg); 8628 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8629 if (r == null) { 8630 r = new StringBuilder(256); 8631 } else { 8632 r.append(' '); 8633 } 8634 r.append(pg.info.name); 8635 } 8636 } else { 8637 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8638 + pg.info.packageName + " ignored: original from " 8639 + cur.info.packageName); 8640 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8641 if (r == null) { 8642 r = new StringBuilder(256); 8643 } else { 8644 r.append(' '); 8645 } 8646 r.append("DUP:"); 8647 r.append(pg.info.name); 8648 } 8649 } 8650 } 8651 if (r != null) { 8652 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8653 } 8654 8655 N = pkg.permissions.size(); 8656 r = null; 8657 for (i=0; i<N; i++) { 8658 PackageParser.Permission p = pkg.permissions.get(i); 8659 8660 // Assume by default that we did not install this permission into the system. 8661 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8662 8663 // Now that permission groups have a special meaning, we ignore permission 8664 // groups for legacy apps to prevent unexpected behavior. In particular, 8665 // permissions for one app being granted to someone just becase they happen 8666 // to be in a group defined by another app (before this had no implications). 8667 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8668 p.group = mPermissionGroups.get(p.info.group); 8669 // Warn for a permission in an unknown group. 8670 if (p.info.group != null && p.group == null) { 8671 Slog.w(TAG, "Permission " + p.info.name + " from package " 8672 + p.info.packageName + " in an unknown group " + p.info.group); 8673 } 8674 } 8675 8676 ArrayMap<String, BasePermission> permissionMap = 8677 p.tree ? mSettings.mPermissionTrees 8678 : mSettings.mPermissions; 8679 BasePermission bp = permissionMap.get(p.info.name); 8680 8681 // Allow system apps to redefine non-system permissions 8682 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8683 final boolean currentOwnerIsSystem = (bp.perm != null 8684 && isSystemApp(bp.perm.owner)); 8685 if (isSystemApp(p.owner)) { 8686 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8687 // It's a built-in permission and no owner, take ownership now 8688 bp.packageSetting = pkgSetting; 8689 bp.perm = p; 8690 bp.uid = pkg.applicationInfo.uid; 8691 bp.sourcePackage = p.info.packageName; 8692 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8693 } else if (!currentOwnerIsSystem) { 8694 String msg = "New decl " + p.owner + " of permission " 8695 + p.info.name + " is system; overriding " + bp.sourcePackage; 8696 reportSettingsProblem(Log.WARN, msg); 8697 bp = null; 8698 } 8699 } 8700 } 8701 8702 if (bp == null) { 8703 bp = new BasePermission(p.info.name, p.info.packageName, 8704 BasePermission.TYPE_NORMAL); 8705 permissionMap.put(p.info.name, bp); 8706 } 8707 8708 if (bp.perm == null) { 8709 if (bp.sourcePackage == null 8710 || bp.sourcePackage.equals(p.info.packageName)) { 8711 BasePermission tree = findPermissionTreeLP(p.info.name); 8712 if (tree == null 8713 || tree.sourcePackage.equals(p.info.packageName)) { 8714 bp.packageSetting = pkgSetting; 8715 bp.perm = p; 8716 bp.uid = pkg.applicationInfo.uid; 8717 bp.sourcePackage = p.info.packageName; 8718 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8719 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8720 if (r == null) { 8721 r = new StringBuilder(256); 8722 } else { 8723 r.append(' '); 8724 } 8725 r.append(p.info.name); 8726 } 8727 } else { 8728 Slog.w(TAG, "Permission " + p.info.name + " from package " 8729 + p.info.packageName + " ignored: base tree " 8730 + tree.name + " is from package " 8731 + tree.sourcePackage); 8732 } 8733 } else { 8734 Slog.w(TAG, "Permission " + p.info.name + " from package " 8735 + p.info.packageName + " ignored: original from " 8736 + bp.sourcePackage); 8737 } 8738 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8739 if (r == null) { 8740 r = new StringBuilder(256); 8741 } else { 8742 r.append(' '); 8743 } 8744 r.append("DUP:"); 8745 r.append(p.info.name); 8746 } 8747 if (bp.perm == p) { 8748 bp.protectionLevel = p.info.protectionLevel; 8749 } 8750 } 8751 8752 if (r != null) { 8753 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8754 } 8755 8756 N = pkg.instrumentation.size(); 8757 r = null; 8758 for (i=0; i<N; i++) { 8759 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8760 a.info.packageName = pkg.applicationInfo.packageName; 8761 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8762 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8763 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8764 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8765 a.info.dataDir = pkg.applicationInfo.dataDir; 8766 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8767 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8768 8769 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8770 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8771 mInstrumentation.put(a.getComponentName(), a); 8772 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8773 if (r == null) { 8774 r = new StringBuilder(256); 8775 } else { 8776 r.append(' '); 8777 } 8778 r.append(a.info.name); 8779 } 8780 } 8781 if (r != null) { 8782 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8783 } 8784 8785 if (pkg.protectedBroadcasts != null) { 8786 N = pkg.protectedBroadcasts.size(); 8787 for (i=0; i<N; i++) { 8788 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8789 } 8790 } 8791 8792 pkgSetting.setTimeStamp(scanFileTime); 8793 8794 // Create idmap files for pairs of (packages, overlay packages). 8795 // Note: "android", ie framework-res.apk, is handled by native layers. 8796 if (pkg.mOverlayTarget != null) { 8797 // This is an overlay package. 8798 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8799 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8800 mOverlays.put(pkg.mOverlayTarget, 8801 new ArrayMap<String, PackageParser.Package>()); 8802 } 8803 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8804 map.put(pkg.packageName, pkg); 8805 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8806 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8807 createIdmapFailed = true; 8808 } 8809 } 8810 } else if (mOverlays.containsKey(pkg.packageName) && 8811 !pkg.packageName.equals("android")) { 8812 // This is a regular package, with one or more known overlay packages. 8813 createIdmapsForPackageLI(pkg); 8814 } 8815 } 8816 8817 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8818 8819 if (createIdmapFailed) { 8820 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8821 "scanPackageLI failed to createIdmap"); 8822 } 8823 return pkg; 8824 } 8825 8826 /** 8827 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8828 * is derived purely on the basis of the contents of {@code scanFile} and 8829 * {@code cpuAbiOverride}. 8830 * 8831 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8832 */ 8833 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8834 String cpuAbiOverride, boolean extractLibs) 8835 throws PackageManagerException { 8836 // TODO: We can probably be smarter about this stuff. For installed apps, 8837 // we can calculate this information at install time once and for all. For 8838 // system apps, we can probably assume that this information doesn't change 8839 // after the first boot scan. As things stand, we do lots of unnecessary work. 8840 8841 // Give ourselves some initial paths; we'll come back for another 8842 // pass once we've determined ABI below. 8843 setNativeLibraryPaths(pkg); 8844 8845 // We would never need to extract libs for forward-locked and external packages, 8846 // since the container service will do it for us. We shouldn't attempt to 8847 // extract libs from system app when it was not updated. 8848 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8849 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8850 extractLibs = false; 8851 } 8852 8853 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8854 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8855 8856 NativeLibraryHelper.Handle handle = null; 8857 try { 8858 handle = NativeLibraryHelper.Handle.create(pkg); 8859 // TODO(multiArch): This can be null for apps that didn't go through the 8860 // usual installation process. We can calculate it again, like we 8861 // do during install time. 8862 // 8863 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8864 // unnecessary. 8865 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8866 8867 // Null out the abis so that they can be recalculated. 8868 pkg.applicationInfo.primaryCpuAbi = null; 8869 pkg.applicationInfo.secondaryCpuAbi = null; 8870 if (isMultiArch(pkg.applicationInfo)) { 8871 // Warn if we've set an abiOverride for multi-lib packages.. 8872 // By definition, we need to copy both 32 and 64 bit libraries for 8873 // such packages. 8874 if (pkg.cpuAbiOverride != null 8875 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8876 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8877 } 8878 8879 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8880 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8881 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8882 if (extractLibs) { 8883 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8884 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8885 useIsaSpecificSubdirs); 8886 } else { 8887 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8888 } 8889 } 8890 8891 maybeThrowExceptionForMultiArchCopy( 8892 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8893 8894 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8895 if (extractLibs) { 8896 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8897 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8898 useIsaSpecificSubdirs); 8899 } else { 8900 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8901 } 8902 } 8903 8904 maybeThrowExceptionForMultiArchCopy( 8905 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8906 8907 if (abi64 >= 0) { 8908 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8909 } 8910 8911 if (abi32 >= 0) { 8912 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8913 if (abi64 >= 0) { 8914 if (pkg.use32bitAbi) { 8915 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8916 pkg.applicationInfo.primaryCpuAbi = abi; 8917 } else { 8918 pkg.applicationInfo.secondaryCpuAbi = abi; 8919 } 8920 } else { 8921 pkg.applicationInfo.primaryCpuAbi = abi; 8922 } 8923 } 8924 8925 } else { 8926 String[] abiList = (cpuAbiOverride != null) ? 8927 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8928 8929 // Enable gross and lame hacks for apps that are built with old 8930 // SDK tools. We must scan their APKs for renderscript bitcode and 8931 // not launch them if it's present. Don't bother checking on devices 8932 // that don't have 64 bit support. 8933 boolean needsRenderScriptOverride = false; 8934 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8935 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8936 abiList = Build.SUPPORTED_32_BIT_ABIS; 8937 needsRenderScriptOverride = true; 8938 } 8939 8940 final int copyRet; 8941 if (extractLibs) { 8942 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8943 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8944 } else { 8945 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8946 } 8947 8948 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8949 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8950 "Error unpackaging native libs for app, errorCode=" + copyRet); 8951 } 8952 8953 if (copyRet >= 0) { 8954 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8955 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8956 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8957 } else if (needsRenderScriptOverride) { 8958 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8959 } 8960 } 8961 } catch (IOException ioe) { 8962 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8963 } finally { 8964 IoUtils.closeQuietly(handle); 8965 } 8966 8967 // Now that we've calculated the ABIs and determined if it's an internal app, 8968 // we will go ahead and populate the nativeLibraryPath. 8969 setNativeLibraryPaths(pkg); 8970 } 8971 8972 /** 8973 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8974 * i.e, so that all packages can be run inside a single process if required. 8975 * 8976 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8977 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8978 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8979 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8980 * updating a package that belongs to a shared user. 8981 * 8982 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8983 * adds unnecessary complexity. 8984 */ 8985 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8986 PackageParser.Package scannedPackage, boolean bootComplete) { 8987 String requiredInstructionSet = null; 8988 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8989 requiredInstructionSet = VMRuntime.getInstructionSet( 8990 scannedPackage.applicationInfo.primaryCpuAbi); 8991 } 8992 8993 PackageSetting requirer = null; 8994 for (PackageSetting ps : packagesForUser) { 8995 // If packagesForUser contains scannedPackage, we skip it. This will happen 8996 // when scannedPackage is an update of an existing package. Without this check, 8997 // we will never be able to change the ABI of any package belonging to a shared 8998 // user, even if it's compatible with other packages. 8999 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9000 if (ps.primaryCpuAbiString == null) { 9001 continue; 9002 } 9003 9004 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9005 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9006 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9007 // this but there's not much we can do. 9008 String errorMessage = "Instruction set mismatch, " 9009 + ((requirer == null) ? "[caller]" : requirer) 9010 + " requires " + requiredInstructionSet + " whereas " + ps 9011 + " requires " + instructionSet; 9012 Slog.w(TAG, errorMessage); 9013 } 9014 9015 if (requiredInstructionSet == null) { 9016 requiredInstructionSet = instructionSet; 9017 requirer = ps; 9018 } 9019 } 9020 } 9021 9022 if (requiredInstructionSet != null) { 9023 String adjustedAbi; 9024 if (requirer != null) { 9025 // requirer != null implies that either scannedPackage was null or that scannedPackage 9026 // did not require an ABI, in which case we have to adjust scannedPackage to match 9027 // the ABI of the set (which is the same as requirer's ABI) 9028 adjustedAbi = requirer.primaryCpuAbiString; 9029 if (scannedPackage != null) { 9030 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9031 } 9032 } else { 9033 // requirer == null implies that we're updating all ABIs in the set to 9034 // match scannedPackage. 9035 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9036 } 9037 9038 for (PackageSetting ps : packagesForUser) { 9039 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9040 if (ps.primaryCpuAbiString != null) { 9041 continue; 9042 } 9043 9044 ps.primaryCpuAbiString = adjustedAbi; 9045 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9046 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9047 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9048 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9049 + " (requirer=" 9050 + (requirer == null ? "null" : requirer.pkg.packageName) 9051 + ", scannedPackage=" 9052 + (scannedPackage != null ? scannedPackage.packageName : "null") 9053 + ")"); 9054 try { 9055 mInstaller.rmdex(ps.codePathString, 9056 getDexCodeInstructionSet(getPreferredInstructionSet())); 9057 } catch (InstallerException ignored) { 9058 } 9059 } 9060 } 9061 } 9062 } 9063 } 9064 9065 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9066 synchronized (mPackages) { 9067 mResolverReplaced = true; 9068 // Set up information for custom user intent resolution activity. 9069 mResolveActivity.applicationInfo = pkg.applicationInfo; 9070 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9071 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9072 mResolveActivity.processName = pkg.applicationInfo.packageName; 9073 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9074 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9075 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9076 mResolveActivity.theme = 0; 9077 mResolveActivity.exported = true; 9078 mResolveActivity.enabled = true; 9079 mResolveInfo.activityInfo = mResolveActivity; 9080 mResolveInfo.priority = 0; 9081 mResolveInfo.preferredOrder = 0; 9082 mResolveInfo.match = 0; 9083 mResolveComponentName = mCustomResolverComponentName; 9084 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9085 mResolveComponentName); 9086 } 9087 } 9088 9089 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9090 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9091 9092 // Set up information for ephemeral installer activity 9093 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9094 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9095 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9096 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9097 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9098 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9099 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9100 mEphemeralInstallerActivity.theme = 0; 9101 mEphemeralInstallerActivity.exported = true; 9102 mEphemeralInstallerActivity.enabled = true; 9103 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9104 mEphemeralInstallerInfo.priority = 0; 9105 mEphemeralInstallerInfo.preferredOrder = 0; 9106 mEphemeralInstallerInfo.match = 0; 9107 9108 if (DEBUG_EPHEMERAL) { 9109 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9110 } 9111 } 9112 9113 private static String calculateBundledApkRoot(final String codePathString) { 9114 final File codePath = new File(codePathString); 9115 final File codeRoot; 9116 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9117 codeRoot = Environment.getRootDirectory(); 9118 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9119 codeRoot = Environment.getOemDirectory(); 9120 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9121 codeRoot = Environment.getVendorDirectory(); 9122 } else { 9123 // Unrecognized code path; take its top real segment as the apk root: 9124 // e.g. /something/app/blah.apk => /something 9125 try { 9126 File f = codePath.getCanonicalFile(); 9127 File parent = f.getParentFile(); // non-null because codePath is a file 9128 File tmp; 9129 while ((tmp = parent.getParentFile()) != null) { 9130 f = parent; 9131 parent = tmp; 9132 } 9133 codeRoot = f; 9134 Slog.w(TAG, "Unrecognized code path " 9135 + codePath + " - using " + codeRoot); 9136 } catch (IOException e) { 9137 // Can't canonicalize the code path -- shenanigans? 9138 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9139 return Environment.getRootDirectory().getPath(); 9140 } 9141 } 9142 return codeRoot.getPath(); 9143 } 9144 9145 /** 9146 * Derive and set the location of native libraries for the given package, 9147 * which varies depending on where and how the package was installed. 9148 */ 9149 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9150 final ApplicationInfo info = pkg.applicationInfo; 9151 final String codePath = pkg.codePath; 9152 final File codeFile = new File(codePath); 9153 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9154 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9155 9156 info.nativeLibraryRootDir = null; 9157 info.nativeLibraryRootRequiresIsa = false; 9158 info.nativeLibraryDir = null; 9159 info.secondaryNativeLibraryDir = null; 9160 9161 if (isApkFile(codeFile)) { 9162 // Monolithic install 9163 if (bundledApp) { 9164 // If "/system/lib64/apkname" exists, assume that is the per-package 9165 // native library directory to use; otherwise use "/system/lib/apkname". 9166 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9167 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9168 getPrimaryInstructionSet(info)); 9169 9170 // This is a bundled system app so choose the path based on the ABI. 9171 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9172 // is just the default path. 9173 final String apkName = deriveCodePathName(codePath); 9174 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9175 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9176 apkName).getAbsolutePath(); 9177 9178 if (info.secondaryCpuAbi != null) { 9179 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9180 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9181 secondaryLibDir, apkName).getAbsolutePath(); 9182 } 9183 } else if (asecApp) { 9184 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9185 .getAbsolutePath(); 9186 } else { 9187 final String apkName = deriveCodePathName(codePath); 9188 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9189 .getAbsolutePath(); 9190 } 9191 9192 info.nativeLibraryRootRequiresIsa = false; 9193 info.nativeLibraryDir = info.nativeLibraryRootDir; 9194 } else { 9195 // Cluster install 9196 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9197 info.nativeLibraryRootRequiresIsa = true; 9198 9199 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9200 getPrimaryInstructionSet(info)).getAbsolutePath(); 9201 9202 if (info.secondaryCpuAbi != null) { 9203 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9204 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9205 } 9206 } 9207 } 9208 9209 /** 9210 * Calculate the abis and roots for a bundled app. These can uniquely 9211 * be determined from the contents of the system partition, i.e whether 9212 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9213 * of this information, and instead assume that the system was built 9214 * sensibly. 9215 */ 9216 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9217 PackageSetting pkgSetting) { 9218 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9219 9220 // If "/system/lib64/apkname" exists, assume that is the per-package 9221 // native library directory to use; otherwise use "/system/lib/apkname". 9222 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9223 setBundledAppAbi(pkg, apkRoot, apkName); 9224 // pkgSetting might be null during rescan following uninstall of updates 9225 // to a bundled app, so accommodate that possibility. The settings in 9226 // that case will be established later from the parsed package. 9227 // 9228 // If the settings aren't null, sync them up with what we've just derived. 9229 // note that apkRoot isn't stored in the package settings. 9230 if (pkgSetting != null) { 9231 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9232 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9233 } 9234 } 9235 9236 /** 9237 * Deduces the ABI of a bundled app and sets the relevant fields on the 9238 * parsed pkg object. 9239 * 9240 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9241 * under which system libraries are installed. 9242 * @param apkName the name of the installed package. 9243 */ 9244 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9245 final File codeFile = new File(pkg.codePath); 9246 9247 final boolean has64BitLibs; 9248 final boolean has32BitLibs; 9249 if (isApkFile(codeFile)) { 9250 // Monolithic install 9251 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9252 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9253 } else { 9254 // Cluster install 9255 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9256 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9257 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9258 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9259 has64BitLibs = (new File(rootDir, isa)).exists(); 9260 } else { 9261 has64BitLibs = false; 9262 } 9263 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9264 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9265 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9266 has32BitLibs = (new File(rootDir, isa)).exists(); 9267 } else { 9268 has32BitLibs = false; 9269 } 9270 } 9271 9272 if (has64BitLibs && !has32BitLibs) { 9273 // The package has 64 bit libs, but not 32 bit libs. Its primary 9274 // ABI should be 64 bit. We can safely assume here that the bundled 9275 // native libraries correspond to the most preferred ABI in the list. 9276 9277 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9278 pkg.applicationInfo.secondaryCpuAbi = null; 9279 } else if (has32BitLibs && !has64BitLibs) { 9280 // The package has 32 bit libs but not 64 bit libs. Its primary 9281 // ABI should be 32 bit. 9282 9283 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9284 pkg.applicationInfo.secondaryCpuAbi = null; 9285 } else if (has32BitLibs && has64BitLibs) { 9286 // The application has both 64 and 32 bit bundled libraries. We check 9287 // here that the app declares multiArch support, and warn if it doesn't. 9288 // 9289 // We will be lenient here and record both ABIs. The primary will be the 9290 // ABI that's higher on the list, i.e, a device that's configured to prefer 9291 // 64 bit apps will see a 64 bit primary ABI, 9292 9293 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9294 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9295 } 9296 9297 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9298 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9299 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9300 } else { 9301 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9302 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9303 } 9304 } else { 9305 pkg.applicationInfo.primaryCpuAbi = null; 9306 pkg.applicationInfo.secondaryCpuAbi = null; 9307 } 9308 } 9309 9310 private void killApplication(String pkgName, int appId, String reason) { 9311 // Request the ActivityManager to kill the process(only for existing packages) 9312 // so that we do not end up in a confused state while the user is still using the older 9313 // version of the application while the new one gets installed. 9314 final long token = Binder.clearCallingIdentity(); 9315 try { 9316 IActivityManager am = ActivityManagerNative.getDefault(); 9317 if (am != null) { 9318 try { 9319 am.killApplicationWithAppId(pkgName, appId, reason); 9320 } catch (RemoteException e) { 9321 } 9322 } 9323 } finally { 9324 Binder.restoreCallingIdentity(token); 9325 } 9326 } 9327 9328 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9329 // Remove the parent package setting 9330 PackageSetting ps = (PackageSetting) pkg.mExtras; 9331 if (ps != null) { 9332 removePackageLI(ps, chatty); 9333 } 9334 // Remove the child package setting 9335 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9336 for (int i = 0; i < childCount; i++) { 9337 PackageParser.Package childPkg = pkg.childPackages.get(i); 9338 ps = (PackageSetting) childPkg.mExtras; 9339 if (ps != null) { 9340 removePackageLI(ps, chatty); 9341 } 9342 } 9343 } 9344 9345 void removePackageLI(PackageSetting ps, boolean chatty) { 9346 if (DEBUG_INSTALL) { 9347 if (chatty) 9348 Log.d(TAG, "Removing package " + ps.name); 9349 } 9350 9351 // writer 9352 synchronized (mPackages) { 9353 mPackages.remove(ps.name); 9354 final PackageParser.Package pkg = ps.pkg; 9355 if (pkg != null) { 9356 cleanPackageDataStructuresLILPw(pkg, chatty); 9357 } 9358 } 9359 } 9360 9361 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9362 if (DEBUG_INSTALL) { 9363 if (chatty) 9364 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9365 } 9366 9367 // writer 9368 synchronized (mPackages) { 9369 // Remove the parent package 9370 mPackages.remove(pkg.applicationInfo.packageName); 9371 cleanPackageDataStructuresLILPw(pkg, chatty); 9372 9373 // Remove the child packages 9374 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9375 for (int i = 0; i < childCount; i++) { 9376 PackageParser.Package childPkg = pkg.childPackages.get(i); 9377 mPackages.remove(childPkg.applicationInfo.packageName); 9378 cleanPackageDataStructuresLILPw(childPkg, chatty); 9379 } 9380 } 9381 } 9382 9383 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9384 int N = pkg.providers.size(); 9385 StringBuilder r = null; 9386 int i; 9387 for (i=0; i<N; i++) { 9388 PackageParser.Provider p = pkg.providers.get(i); 9389 mProviders.removeProvider(p); 9390 if (p.info.authority == null) { 9391 9392 /* There was another ContentProvider with this authority when 9393 * this app was installed so this authority is null, 9394 * Ignore it as we don't have to unregister the provider. 9395 */ 9396 continue; 9397 } 9398 String names[] = p.info.authority.split(";"); 9399 for (int j = 0; j < names.length; j++) { 9400 if (mProvidersByAuthority.get(names[j]) == p) { 9401 mProvidersByAuthority.remove(names[j]); 9402 if (DEBUG_REMOVE) { 9403 if (chatty) 9404 Log.d(TAG, "Unregistered content provider: " + names[j] 9405 + ", className = " + p.info.name + ", isSyncable = " 9406 + p.info.isSyncable); 9407 } 9408 } 9409 } 9410 if (DEBUG_REMOVE && chatty) { 9411 if (r == null) { 9412 r = new StringBuilder(256); 9413 } else { 9414 r.append(' '); 9415 } 9416 r.append(p.info.name); 9417 } 9418 } 9419 if (r != null) { 9420 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9421 } 9422 9423 N = pkg.services.size(); 9424 r = null; 9425 for (i=0; i<N; i++) { 9426 PackageParser.Service s = pkg.services.get(i); 9427 mServices.removeService(s); 9428 if (chatty) { 9429 if (r == null) { 9430 r = new StringBuilder(256); 9431 } else { 9432 r.append(' '); 9433 } 9434 r.append(s.info.name); 9435 } 9436 } 9437 if (r != null) { 9438 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9439 } 9440 9441 N = pkg.receivers.size(); 9442 r = null; 9443 for (i=0; i<N; i++) { 9444 PackageParser.Activity a = pkg.receivers.get(i); 9445 mReceivers.removeActivity(a, "receiver"); 9446 if (DEBUG_REMOVE && chatty) { 9447 if (r == null) { 9448 r = new StringBuilder(256); 9449 } else { 9450 r.append(' '); 9451 } 9452 r.append(a.info.name); 9453 } 9454 } 9455 if (r != null) { 9456 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9457 } 9458 9459 N = pkg.activities.size(); 9460 r = null; 9461 for (i=0; i<N; i++) { 9462 PackageParser.Activity a = pkg.activities.get(i); 9463 mActivities.removeActivity(a, "activity"); 9464 if (DEBUG_REMOVE && chatty) { 9465 if (r == null) { 9466 r = new StringBuilder(256); 9467 } else { 9468 r.append(' '); 9469 } 9470 r.append(a.info.name); 9471 } 9472 } 9473 if (r != null) { 9474 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9475 } 9476 9477 N = pkg.permissions.size(); 9478 r = null; 9479 for (i=0; i<N; i++) { 9480 PackageParser.Permission p = pkg.permissions.get(i); 9481 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9482 if (bp == null) { 9483 bp = mSettings.mPermissionTrees.get(p.info.name); 9484 } 9485 if (bp != null && bp.perm == p) { 9486 bp.perm = null; 9487 if (DEBUG_REMOVE && chatty) { 9488 if (r == null) { 9489 r = new StringBuilder(256); 9490 } else { 9491 r.append(' '); 9492 } 9493 r.append(p.info.name); 9494 } 9495 } 9496 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9497 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9498 if (appOpPkgs != null) { 9499 appOpPkgs.remove(pkg.packageName); 9500 } 9501 } 9502 } 9503 if (r != null) { 9504 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9505 } 9506 9507 N = pkg.requestedPermissions.size(); 9508 r = null; 9509 for (i=0; i<N; i++) { 9510 String perm = pkg.requestedPermissions.get(i); 9511 BasePermission bp = mSettings.mPermissions.get(perm); 9512 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9513 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9514 if (appOpPkgs != null) { 9515 appOpPkgs.remove(pkg.packageName); 9516 if (appOpPkgs.isEmpty()) { 9517 mAppOpPermissionPackages.remove(perm); 9518 } 9519 } 9520 } 9521 } 9522 if (r != null) { 9523 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9524 } 9525 9526 N = pkg.instrumentation.size(); 9527 r = null; 9528 for (i=0; i<N; i++) { 9529 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9530 mInstrumentation.remove(a.getComponentName()); 9531 if (DEBUG_REMOVE && chatty) { 9532 if (r == null) { 9533 r = new StringBuilder(256); 9534 } else { 9535 r.append(' '); 9536 } 9537 r.append(a.info.name); 9538 } 9539 } 9540 if (r != null) { 9541 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9542 } 9543 9544 r = null; 9545 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9546 // Only system apps can hold shared libraries. 9547 if (pkg.libraryNames != null) { 9548 for (i=0; i<pkg.libraryNames.size(); i++) { 9549 String name = pkg.libraryNames.get(i); 9550 SharedLibraryEntry cur = mSharedLibraries.get(name); 9551 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9552 mSharedLibraries.remove(name); 9553 if (DEBUG_REMOVE && chatty) { 9554 if (r == null) { 9555 r = new StringBuilder(256); 9556 } else { 9557 r.append(' '); 9558 } 9559 r.append(name); 9560 } 9561 } 9562 } 9563 } 9564 } 9565 if (r != null) { 9566 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9567 } 9568 } 9569 9570 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9571 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9572 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9573 return true; 9574 } 9575 } 9576 return false; 9577 } 9578 9579 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9580 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9581 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9582 9583 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9584 // Update the parent permissions 9585 updatePermissionsLPw(pkg.packageName, pkg, flags); 9586 // Update the child permissions 9587 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9588 for (int i = 0; i < childCount; i++) { 9589 PackageParser.Package childPkg = pkg.childPackages.get(i); 9590 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9591 } 9592 } 9593 9594 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9595 int flags) { 9596 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9597 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9598 } 9599 9600 private void updatePermissionsLPw(String changingPkg, 9601 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9602 // Make sure there are no dangling permission trees. 9603 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9604 while (it.hasNext()) { 9605 final BasePermission bp = it.next(); 9606 if (bp.packageSetting == null) { 9607 // We may not yet have parsed the package, so just see if 9608 // we still know about its settings. 9609 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9610 } 9611 if (bp.packageSetting == null) { 9612 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9613 + " from package " + bp.sourcePackage); 9614 it.remove(); 9615 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9616 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9617 Slog.i(TAG, "Removing old permission tree: " + bp.name 9618 + " from package " + bp.sourcePackage); 9619 flags |= UPDATE_PERMISSIONS_ALL; 9620 it.remove(); 9621 } 9622 } 9623 } 9624 9625 // Make sure all dynamic permissions have been assigned to a package, 9626 // and make sure there are no dangling permissions. 9627 it = mSettings.mPermissions.values().iterator(); 9628 while (it.hasNext()) { 9629 final BasePermission bp = it.next(); 9630 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9631 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9632 + bp.name + " pkg=" + bp.sourcePackage 9633 + " info=" + bp.pendingInfo); 9634 if (bp.packageSetting == null && bp.pendingInfo != null) { 9635 final BasePermission tree = findPermissionTreeLP(bp.name); 9636 if (tree != null && tree.perm != null) { 9637 bp.packageSetting = tree.packageSetting; 9638 bp.perm = new PackageParser.Permission(tree.perm.owner, 9639 new PermissionInfo(bp.pendingInfo)); 9640 bp.perm.info.packageName = tree.perm.info.packageName; 9641 bp.perm.info.name = bp.name; 9642 bp.uid = tree.uid; 9643 } 9644 } 9645 } 9646 if (bp.packageSetting == null) { 9647 // We may not yet have parsed the package, so just see if 9648 // we still know about its settings. 9649 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9650 } 9651 if (bp.packageSetting == null) { 9652 Slog.w(TAG, "Removing dangling permission: " + bp.name 9653 + " from package " + bp.sourcePackage); 9654 it.remove(); 9655 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9656 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9657 Slog.i(TAG, "Removing old permission: " + bp.name 9658 + " from package " + bp.sourcePackage); 9659 flags |= UPDATE_PERMISSIONS_ALL; 9660 it.remove(); 9661 } 9662 } 9663 } 9664 9665 // Now update the permissions for all packages, in particular 9666 // replace the granted permissions of the system packages. 9667 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9668 for (PackageParser.Package pkg : mPackages.values()) { 9669 if (pkg != pkgInfo) { 9670 // Only replace for packages on requested volume 9671 final String volumeUuid = getVolumeUuidForPackage(pkg); 9672 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9673 && Objects.equals(replaceVolumeUuid, volumeUuid); 9674 grantPermissionsLPw(pkg, replace, changingPkg); 9675 } 9676 } 9677 } 9678 9679 if (pkgInfo != null) { 9680 // Only replace for packages on requested volume 9681 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9682 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9683 && Objects.equals(replaceVolumeUuid, volumeUuid); 9684 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9685 } 9686 } 9687 9688 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9689 String packageOfInterest) { 9690 // IMPORTANT: There are two types of permissions: install and runtime. 9691 // Install time permissions are granted when the app is installed to 9692 // all device users and users added in the future. Runtime permissions 9693 // are granted at runtime explicitly to specific users. Normal and signature 9694 // protected permissions are install time permissions. Dangerous permissions 9695 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9696 // otherwise they are runtime permissions. This function does not manage 9697 // runtime permissions except for the case an app targeting Lollipop MR1 9698 // being upgraded to target a newer SDK, in which case dangerous permissions 9699 // are transformed from install time to runtime ones. 9700 9701 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9702 if (ps == null) { 9703 return; 9704 } 9705 9706 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9707 9708 PermissionsState permissionsState = ps.getPermissionsState(); 9709 PermissionsState origPermissions = permissionsState; 9710 9711 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9712 9713 boolean runtimePermissionsRevoked = false; 9714 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9715 9716 boolean changedInstallPermission = false; 9717 9718 if (replace) { 9719 ps.installPermissionsFixed = false; 9720 if (!ps.isSharedUser()) { 9721 origPermissions = new PermissionsState(permissionsState); 9722 permissionsState.reset(); 9723 } else { 9724 // We need to know only about runtime permission changes since the 9725 // calling code always writes the install permissions state but 9726 // the runtime ones are written only if changed. The only cases of 9727 // changed runtime permissions here are promotion of an install to 9728 // runtime and revocation of a runtime from a shared user. 9729 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9730 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9731 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9732 runtimePermissionsRevoked = true; 9733 } 9734 } 9735 } 9736 9737 permissionsState.setGlobalGids(mGlobalGids); 9738 9739 final int N = pkg.requestedPermissions.size(); 9740 for (int i=0; i<N; i++) { 9741 final String name = pkg.requestedPermissions.get(i); 9742 final BasePermission bp = mSettings.mPermissions.get(name); 9743 9744 if (DEBUG_INSTALL) { 9745 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9746 } 9747 9748 if (bp == null || bp.packageSetting == null) { 9749 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9750 Slog.w(TAG, "Unknown permission " + name 9751 + " in package " + pkg.packageName); 9752 } 9753 continue; 9754 } 9755 9756 final String perm = bp.name; 9757 boolean allowedSig = false; 9758 int grant = GRANT_DENIED; 9759 9760 // Keep track of app op permissions. 9761 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9762 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9763 if (pkgs == null) { 9764 pkgs = new ArraySet<>(); 9765 mAppOpPermissionPackages.put(bp.name, pkgs); 9766 } 9767 pkgs.add(pkg.packageName); 9768 } 9769 9770 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9771 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9772 >= Build.VERSION_CODES.M; 9773 switch (level) { 9774 case PermissionInfo.PROTECTION_NORMAL: { 9775 // For all apps normal permissions are install time ones. 9776 grant = GRANT_INSTALL; 9777 } break; 9778 9779 case PermissionInfo.PROTECTION_DANGEROUS: { 9780 // If a permission review is required for legacy apps we represent 9781 // their permissions as always granted runtime ones since we need 9782 // to keep the review required permission flag per user while an 9783 // install permission's state is shared across all users. 9784 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9785 // For legacy apps dangerous permissions are install time ones. 9786 grant = GRANT_INSTALL; 9787 } else if (origPermissions.hasInstallPermission(bp.name)) { 9788 // For legacy apps that became modern, install becomes runtime. 9789 grant = GRANT_UPGRADE; 9790 } else if (mPromoteSystemApps 9791 && isSystemApp(ps) 9792 && mExistingSystemPackages.contains(ps.name)) { 9793 // For legacy system apps, install becomes runtime. 9794 // We cannot check hasInstallPermission() for system apps since those 9795 // permissions were granted implicitly and not persisted pre-M. 9796 grant = GRANT_UPGRADE; 9797 } else { 9798 // For modern apps keep runtime permissions unchanged. 9799 grant = GRANT_RUNTIME; 9800 } 9801 } break; 9802 9803 case PermissionInfo.PROTECTION_SIGNATURE: { 9804 // For all apps signature permissions are install time ones. 9805 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9806 if (allowedSig) { 9807 grant = GRANT_INSTALL; 9808 } 9809 } break; 9810 } 9811 9812 if (DEBUG_INSTALL) { 9813 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9814 } 9815 9816 if (grant != GRANT_DENIED) { 9817 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9818 // If this is an existing, non-system package, then 9819 // we can't add any new permissions to it. 9820 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9821 // Except... if this is a permission that was added 9822 // to the platform (note: need to only do this when 9823 // updating the platform). 9824 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9825 grant = GRANT_DENIED; 9826 } 9827 } 9828 } 9829 9830 switch (grant) { 9831 case GRANT_INSTALL: { 9832 // Revoke this as runtime permission to handle the case of 9833 // a runtime permission being downgraded to an install one. 9834 // Also in permission review mode we keep dangerous permissions 9835 // for legacy apps 9836 for (int userId : UserManagerService.getInstance().getUserIds()) { 9837 if (origPermissions.getRuntimePermissionState( 9838 bp.name, userId) != null) { 9839 // Revoke the runtime permission and clear the flags. 9840 origPermissions.revokeRuntimePermission(bp, userId); 9841 origPermissions.updatePermissionFlags(bp, userId, 9842 PackageManager.MASK_PERMISSION_FLAGS, 0); 9843 // If we revoked a permission permission, we have to write. 9844 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9845 changedRuntimePermissionUserIds, userId); 9846 } 9847 } 9848 // Grant an install permission. 9849 if (permissionsState.grantInstallPermission(bp) != 9850 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9851 changedInstallPermission = true; 9852 } 9853 } break; 9854 9855 case GRANT_RUNTIME: { 9856 // Grant previously granted runtime permissions. 9857 for (int userId : UserManagerService.getInstance().getUserIds()) { 9858 PermissionState permissionState = origPermissions 9859 .getRuntimePermissionState(bp.name, userId); 9860 int flags = permissionState != null 9861 ? permissionState.getFlags() : 0; 9862 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9863 if (permissionsState.grantRuntimePermission(bp, userId) == 9864 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9865 // If we cannot put the permission as it was, we have to write. 9866 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9867 changedRuntimePermissionUserIds, userId); 9868 } 9869 // If the app supports runtime permissions no need for a review. 9870 if (Build.PERMISSIONS_REVIEW_REQUIRED 9871 && appSupportsRuntimePermissions 9872 && (flags & PackageManager 9873 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9874 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9875 // Since we changed the flags, we have to write. 9876 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9877 changedRuntimePermissionUserIds, userId); 9878 } 9879 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9880 && !appSupportsRuntimePermissions) { 9881 // For legacy apps that need a permission review, every new 9882 // runtime permission is granted but it is pending a review. 9883 // We also need to review only platform defined runtime 9884 // permissions as these are the only ones the platform knows 9885 // how to disable the API to simulate revocation as legacy 9886 // apps don't expect to run with revoked permissions. 9887 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9888 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9889 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9890 // We changed the flags, hence have to write. 9891 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9892 changedRuntimePermissionUserIds, userId); 9893 } 9894 } 9895 if (permissionsState.grantRuntimePermission(bp, userId) 9896 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9897 // We changed the permission, hence have to write. 9898 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9899 changedRuntimePermissionUserIds, userId); 9900 } 9901 } 9902 // Propagate the permission flags. 9903 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9904 } 9905 } break; 9906 9907 case GRANT_UPGRADE: { 9908 // Grant runtime permissions for a previously held install permission. 9909 PermissionState permissionState = origPermissions 9910 .getInstallPermissionState(bp.name); 9911 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9912 9913 if (origPermissions.revokeInstallPermission(bp) 9914 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9915 // We will be transferring the permission flags, so clear them. 9916 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9917 PackageManager.MASK_PERMISSION_FLAGS, 0); 9918 changedInstallPermission = true; 9919 } 9920 9921 // If the permission is not to be promoted to runtime we ignore it and 9922 // also its other flags as they are not applicable to install permissions. 9923 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9924 for (int userId : currentUserIds) { 9925 if (permissionsState.grantRuntimePermission(bp, userId) != 9926 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9927 // Transfer the permission flags. 9928 permissionsState.updatePermissionFlags(bp, userId, 9929 flags, flags); 9930 // If we granted the permission, we have to write. 9931 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9932 changedRuntimePermissionUserIds, userId); 9933 } 9934 } 9935 } 9936 } break; 9937 9938 default: { 9939 if (packageOfInterest == null 9940 || packageOfInterest.equals(pkg.packageName)) { 9941 Slog.w(TAG, "Not granting permission " + perm 9942 + " to package " + pkg.packageName 9943 + " because it was previously installed without"); 9944 } 9945 } break; 9946 } 9947 } else { 9948 if (permissionsState.revokeInstallPermission(bp) != 9949 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9950 // Also drop the permission flags. 9951 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9952 PackageManager.MASK_PERMISSION_FLAGS, 0); 9953 changedInstallPermission = true; 9954 Slog.i(TAG, "Un-granting permission " + perm 9955 + " from package " + pkg.packageName 9956 + " (protectionLevel=" + bp.protectionLevel 9957 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9958 + ")"); 9959 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9960 // Don't print warning for app op permissions, since it is fine for them 9961 // not to be granted, there is a UI for the user to decide. 9962 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9963 Slog.w(TAG, "Not granting permission " + perm 9964 + " to package " + pkg.packageName 9965 + " (protectionLevel=" + bp.protectionLevel 9966 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9967 + ")"); 9968 } 9969 } 9970 } 9971 } 9972 9973 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9974 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9975 // This is the first that we have heard about this package, so the 9976 // permissions we have now selected are fixed until explicitly 9977 // changed. 9978 ps.installPermissionsFixed = true; 9979 } 9980 9981 // Persist the runtime permissions state for users with changes. If permissions 9982 // were revoked because no app in the shared user declares them we have to 9983 // write synchronously to avoid losing runtime permissions state. 9984 for (int userId : changedRuntimePermissionUserIds) { 9985 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9986 } 9987 9988 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9989 } 9990 9991 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9992 boolean allowed = false; 9993 final int NP = PackageParser.NEW_PERMISSIONS.length; 9994 for (int ip=0; ip<NP; ip++) { 9995 final PackageParser.NewPermissionInfo npi 9996 = PackageParser.NEW_PERMISSIONS[ip]; 9997 if (npi.name.equals(perm) 9998 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9999 allowed = true; 10000 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10001 + pkg.packageName); 10002 break; 10003 } 10004 } 10005 return allowed; 10006 } 10007 10008 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10009 BasePermission bp, PermissionsState origPermissions) { 10010 boolean allowed; 10011 allowed = (compareSignatures( 10012 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10013 == PackageManager.SIGNATURE_MATCH) 10014 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10015 == PackageManager.SIGNATURE_MATCH); 10016 if (!allowed && (bp.protectionLevel 10017 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10018 if (isSystemApp(pkg)) { 10019 // For updated system applications, a system permission 10020 // is granted only if it had been defined by the original application. 10021 if (pkg.isUpdatedSystemApp()) { 10022 final PackageSetting sysPs = mSettings 10023 .getDisabledSystemPkgLPr(pkg.packageName); 10024 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10025 // If the original was granted this permission, we take 10026 // that grant decision as read and propagate it to the 10027 // update. 10028 if (sysPs.isPrivileged()) { 10029 allowed = true; 10030 } 10031 } else { 10032 // The system apk may have been updated with an older 10033 // version of the one on the data partition, but which 10034 // granted a new system permission that it didn't have 10035 // before. In this case we do want to allow the app to 10036 // now get the new permission if the ancestral apk is 10037 // privileged to get it. 10038 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10039 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10040 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10041 allowed = true; 10042 break; 10043 } 10044 } 10045 } 10046 // Also if a privileged parent package on the system image or any of 10047 // its children requested a privileged permission, the updated child 10048 // packages can also get the permission. 10049 if (pkg.parentPackage != null) { 10050 final PackageSetting disabledSysParentPs = mSettings 10051 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10052 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10053 && disabledSysParentPs.isPrivileged()) { 10054 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10055 allowed = true; 10056 } else if (disabledSysParentPs.pkg.childPackages != null) { 10057 final int count = disabledSysParentPs.pkg.childPackages.size(); 10058 for (int i = 0; i < count; i++) { 10059 PackageParser.Package disabledSysChildPkg = 10060 disabledSysParentPs.pkg.childPackages.get(i); 10061 if (isPackageRequestingPermission(disabledSysChildPkg, 10062 perm)) { 10063 allowed = true; 10064 break; 10065 } 10066 } 10067 } 10068 } 10069 } 10070 } 10071 } else { 10072 allowed = isPrivilegedApp(pkg); 10073 } 10074 } 10075 } 10076 if (!allowed) { 10077 if (!allowed && (bp.protectionLevel 10078 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10079 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10080 // If this was a previously normal/dangerous permission that got moved 10081 // to a system permission as part of the runtime permission redesign, then 10082 // we still want to blindly grant it to old apps. 10083 allowed = true; 10084 } 10085 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10086 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10087 // If this permission is to be granted to the system installer and 10088 // this app is an installer, then it gets the permission. 10089 allowed = true; 10090 } 10091 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10092 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10093 // If this permission is to be granted to the system verifier and 10094 // this app is a verifier, then it gets the permission. 10095 allowed = true; 10096 } 10097 if (!allowed && (bp.protectionLevel 10098 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10099 && isSystemApp(pkg)) { 10100 // Any pre-installed system app is allowed to get this permission. 10101 allowed = true; 10102 } 10103 if (!allowed && (bp.protectionLevel 10104 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10105 // For development permissions, a development permission 10106 // is granted only if it was already granted. 10107 allowed = origPermissions.hasInstallPermission(perm); 10108 } 10109 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10110 && pkg.packageName.equals(mSetupWizardPackage)) { 10111 // If this permission is to be granted to the system setup wizard and 10112 // this app is a setup wizard, then it gets the permission. 10113 allowed = true; 10114 } 10115 } 10116 return allowed; 10117 } 10118 10119 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10120 final int permCount = pkg.requestedPermissions.size(); 10121 for (int j = 0; j < permCount; j++) { 10122 String requestedPermission = pkg.requestedPermissions.get(j); 10123 if (permission.equals(requestedPermission)) { 10124 return true; 10125 } 10126 } 10127 return false; 10128 } 10129 10130 final class ActivityIntentResolver 10131 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10132 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10133 boolean defaultOnly, int userId) { 10134 if (!sUserManager.exists(userId)) return null; 10135 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10136 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10137 } 10138 10139 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10140 int userId) { 10141 if (!sUserManager.exists(userId)) return null; 10142 mFlags = flags; 10143 return super.queryIntent(intent, resolvedType, 10144 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10145 } 10146 10147 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10148 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10149 if (!sUserManager.exists(userId)) return null; 10150 if (packageActivities == null) { 10151 return null; 10152 } 10153 mFlags = flags; 10154 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10155 final int N = packageActivities.size(); 10156 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10157 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10158 10159 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10160 for (int i = 0; i < N; ++i) { 10161 intentFilters = packageActivities.get(i).intents; 10162 if (intentFilters != null && intentFilters.size() > 0) { 10163 PackageParser.ActivityIntentInfo[] array = 10164 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10165 intentFilters.toArray(array); 10166 listCut.add(array); 10167 } 10168 } 10169 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10170 } 10171 10172 /** 10173 * Finds a privileged activity that matches the specified activity names. 10174 */ 10175 private PackageParser.Activity findMatchingActivity( 10176 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10177 for (PackageParser.Activity sysActivity : activityList) { 10178 if (sysActivity.info.name.equals(activityInfo.name)) { 10179 return sysActivity; 10180 } 10181 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10182 return sysActivity; 10183 } 10184 if (sysActivity.info.targetActivity != null) { 10185 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10186 return sysActivity; 10187 } 10188 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10189 return sysActivity; 10190 } 10191 } 10192 } 10193 return null; 10194 } 10195 10196 public class IterGenerator<E> { 10197 public Iterator<E> generate(ActivityIntentInfo info) { 10198 return null; 10199 } 10200 } 10201 10202 public class ActionIterGenerator extends IterGenerator<String> { 10203 @Override 10204 public Iterator<String> generate(ActivityIntentInfo info) { 10205 return info.actionsIterator(); 10206 } 10207 } 10208 10209 public class CategoriesIterGenerator extends IterGenerator<String> { 10210 @Override 10211 public Iterator<String> generate(ActivityIntentInfo info) { 10212 return info.categoriesIterator(); 10213 } 10214 } 10215 10216 public class SchemesIterGenerator extends IterGenerator<String> { 10217 @Override 10218 public Iterator<String> generate(ActivityIntentInfo info) { 10219 return info.schemesIterator(); 10220 } 10221 } 10222 10223 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10224 @Override 10225 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10226 return info.authoritiesIterator(); 10227 } 10228 } 10229 10230 /** 10231 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10232 * MODIFIED. Do not pass in a list that should not be changed. 10233 */ 10234 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10235 IterGenerator<T> generator, Iterator<T> searchIterator) { 10236 // loop through the set of actions; every one must be found in the intent filter 10237 while (searchIterator.hasNext()) { 10238 // we must have at least one filter in the list to consider a match 10239 if (intentList.size() == 0) { 10240 break; 10241 } 10242 10243 final T searchAction = searchIterator.next(); 10244 10245 // loop through the set of intent filters 10246 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10247 while (intentIter.hasNext()) { 10248 final ActivityIntentInfo intentInfo = intentIter.next(); 10249 boolean selectionFound = false; 10250 10251 // loop through the intent filter's selection criteria; at least one 10252 // of them must match the searched criteria 10253 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10254 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10255 final T intentSelection = intentSelectionIter.next(); 10256 if (intentSelection != null && intentSelection.equals(searchAction)) { 10257 selectionFound = true; 10258 break; 10259 } 10260 } 10261 10262 // the selection criteria wasn't found in this filter's set; this filter 10263 // is not a potential match 10264 if (!selectionFound) { 10265 intentIter.remove(); 10266 } 10267 } 10268 } 10269 } 10270 10271 private boolean isProtectedAction(ActivityIntentInfo filter) { 10272 final Iterator<String> actionsIter = filter.actionsIterator(); 10273 while (actionsIter != null && actionsIter.hasNext()) { 10274 final String filterAction = actionsIter.next(); 10275 if (PROTECTED_ACTIONS.contains(filterAction)) { 10276 return true; 10277 } 10278 } 10279 return false; 10280 } 10281 10282 /** 10283 * Adjusts the priority of the given intent filter according to policy. 10284 * <p> 10285 * <ul> 10286 * <li>The priority for non privileged applications is capped to '0'</li> 10287 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10288 * <li>The priority for unbundled updates to privileged applications is capped to the 10289 * priority defined on the system partition</li> 10290 * </ul> 10291 * <p> 10292 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10293 * allowed to obtain any priority on any action. 10294 */ 10295 private void adjustPriority( 10296 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10297 // nothing to do; priority is fine as-is 10298 if (intent.getPriority() <= 0) { 10299 return; 10300 } 10301 10302 final ActivityInfo activityInfo = intent.activity.info; 10303 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10304 10305 final boolean privilegedApp = 10306 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10307 if (!privilegedApp) { 10308 // non-privileged applications can never define a priority >0 10309 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10310 + " package: " + applicationInfo.packageName 10311 + " activity: " + intent.activity.className 10312 + " origPrio: " + intent.getPriority()); 10313 intent.setPriority(0); 10314 return; 10315 } 10316 10317 if (systemActivities == null) { 10318 // the system package is not disabled; we're parsing the system partition 10319 if (isProtectedAction(intent)) { 10320 if (mDeferProtectedFilters) { 10321 // We can't deal with these just yet. No component should ever obtain a 10322 // >0 priority for a protected actions, with ONE exception -- the setup 10323 // wizard. The setup wizard, however, cannot be known until we're able to 10324 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10325 // until all intent filters have been processed. Chicken, meet egg. 10326 // Let the filter temporarily have a high priority and rectify the 10327 // priorities after all system packages have been scanned. 10328 mProtectedFilters.add(intent); 10329 if (DEBUG_FILTERS) { 10330 Slog.i(TAG, "Protected action; save for later;" 10331 + " package: " + applicationInfo.packageName 10332 + " activity: " + intent.activity.className 10333 + " origPrio: " + intent.getPriority()); 10334 } 10335 return; 10336 } else { 10337 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10338 Slog.i(TAG, "No setup wizard;" 10339 + " All protected intents capped to priority 0"); 10340 } 10341 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10342 if (DEBUG_FILTERS) { 10343 Slog.i(TAG, "Found setup wizard;" 10344 + " allow priority " + intent.getPriority() + ";" 10345 + " package: " + intent.activity.info.packageName 10346 + " activity: " + intent.activity.className 10347 + " priority: " + intent.getPriority()); 10348 } 10349 // setup wizard gets whatever it wants 10350 return; 10351 } 10352 Slog.w(TAG, "Protected action; cap priority to 0;" 10353 + " package: " + intent.activity.info.packageName 10354 + " activity: " + intent.activity.className 10355 + " origPrio: " + intent.getPriority()); 10356 intent.setPriority(0); 10357 return; 10358 } 10359 } 10360 // privileged apps on the system image get whatever priority they request 10361 return; 10362 } 10363 10364 // privileged app unbundled update ... try to find the same activity 10365 final PackageParser.Activity foundActivity = 10366 findMatchingActivity(systemActivities, activityInfo); 10367 if (foundActivity == null) { 10368 // this is a new activity; it cannot obtain >0 priority 10369 if (DEBUG_FILTERS) { 10370 Slog.i(TAG, "New activity; cap priority to 0;" 10371 + " package: " + applicationInfo.packageName 10372 + " activity: " + intent.activity.className 10373 + " origPrio: " + intent.getPriority()); 10374 } 10375 intent.setPriority(0); 10376 return; 10377 } 10378 10379 // found activity, now check for filter equivalence 10380 10381 // a shallow copy is enough; we modify the list, not its contents 10382 final List<ActivityIntentInfo> intentListCopy = 10383 new ArrayList<>(foundActivity.intents); 10384 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10385 10386 // find matching action subsets 10387 final Iterator<String> actionsIterator = intent.actionsIterator(); 10388 if (actionsIterator != null) { 10389 getIntentListSubset( 10390 intentListCopy, new ActionIterGenerator(), actionsIterator); 10391 if (intentListCopy.size() == 0) { 10392 // no more intents to match; we're not equivalent 10393 if (DEBUG_FILTERS) { 10394 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10395 + " package: " + applicationInfo.packageName 10396 + " activity: " + intent.activity.className 10397 + " origPrio: " + intent.getPriority()); 10398 } 10399 intent.setPriority(0); 10400 return; 10401 } 10402 } 10403 10404 // find matching category subsets 10405 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10406 if (categoriesIterator != null) { 10407 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10408 categoriesIterator); 10409 if (intentListCopy.size() == 0) { 10410 // no more intents to match; we're not equivalent 10411 if (DEBUG_FILTERS) { 10412 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10413 + " package: " + applicationInfo.packageName 10414 + " activity: " + intent.activity.className 10415 + " origPrio: " + intent.getPriority()); 10416 } 10417 intent.setPriority(0); 10418 return; 10419 } 10420 } 10421 10422 // find matching schemes subsets 10423 final Iterator<String> schemesIterator = intent.schemesIterator(); 10424 if (schemesIterator != null) { 10425 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10426 schemesIterator); 10427 if (intentListCopy.size() == 0) { 10428 // no more intents to match; we're not equivalent 10429 if (DEBUG_FILTERS) { 10430 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10431 + " package: " + applicationInfo.packageName 10432 + " activity: " + intent.activity.className 10433 + " origPrio: " + intent.getPriority()); 10434 } 10435 intent.setPriority(0); 10436 return; 10437 } 10438 } 10439 10440 // find matching authorities subsets 10441 final Iterator<IntentFilter.AuthorityEntry> 10442 authoritiesIterator = intent.authoritiesIterator(); 10443 if (authoritiesIterator != null) { 10444 getIntentListSubset(intentListCopy, 10445 new AuthoritiesIterGenerator(), 10446 authoritiesIterator); 10447 if (intentListCopy.size() == 0) { 10448 // no more intents to match; we're not equivalent 10449 if (DEBUG_FILTERS) { 10450 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10451 + " package: " + applicationInfo.packageName 10452 + " activity: " + intent.activity.className 10453 + " origPrio: " + intent.getPriority()); 10454 } 10455 intent.setPriority(0); 10456 return; 10457 } 10458 } 10459 10460 // we found matching filter(s); app gets the max priority of all intents 10461 int cappedPriority = 0; 10462 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10463 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10464 } 10465 if (intent.getPriority() > cappedPriority) { 10466 if (DEBUG_FILTERS) { 10467 Slog.i(TAG, "Found matching filter(s);" 10468 + " cap priority to " + cappedPriority + ";" 10469 + " package: " + applicationInfo.packageName 10470 + " activity: " + intent.activity.className 10471 + " origPrio: " + intent.getPriority()); 10472 } 10473 intent.setPriority(cappedPriority); 10474 return; 10475 } 10476 // all this for nothing; the requested priority was <= what was on the system 10477 } 10478 10479 public final void addActivity(PackageParser.Activity a, String type) { 10480 mActivities.put(a.getComponentName(), a); 10481 if (DEBUG_SHOW_INFO) 10482 Log.v( 10483 TAG, " " + type + " " + 10484 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10485 if (DEBUG_SHOW_INFO) 10486 Log.v(TAG, " Class=" + a.info.name); 10487 final int NI = a.intents.size(); 10488 for (int j=0; j<NI; j++) { 10489 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10490 if ("activity".equals(type)) { 10491 final PackageSetting ps = 10492 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10493 final List<PackageParser.Activity> systemActivities = 10494 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10495 adjustPriority(systemActivities, intent); 10496 } 10497 if (DEBUG_SHOW_INFO) { 10498 Log.v(TAG, " IntentFilter:"); 10499 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10500 } 10501 if (!intent.debugCheck()) { 10502 Log.w(TAG, "==> For Activity " + a.info.name); 10503 } 10504 addFilter(intent); 10505 } 10506 } 10507 10508 public final void removeActivity(PackageParser.Activity a, String type) { 10509 mActivities.remove(a.getComponentName()); 10510 if (DEBUG_SHOW_INFO) { 10511 Log.v(TAG, " " + type + " " 10512 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10513 : a.info.name) + ":"); 10514 Log.v(TAG, " Class=" + a.info.name); 10515 } 10516 final int NI = a.intents.size(); 10517 for (int j=0; j<NI; j++) { 10518 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10519 if (DEBUG_SHOW_INFO) { 10520 Log.v(TAG, " IntentFilter:"); 10521 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10522 } 10523 removeFilter(intent); 10524 } 10525 } 10526 10527 @Override 10528 protected boolean allowFilterResult( 10529 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10530 ActivityInfo filterAi = filter.activity.info; 10531 for (int i=dest.size()-1; i>=0; i--) { 10532 ActivityInfo destAi = dest.get(i).activityInfo; 10533 if (destAi.name == filterAi.name 10534 && destAi.packageName == filterAi.packageName) { 10535 return false; 10536 } 10537 } 10538 return true; 10539 } 10540 10541 @Override 10542 protected ActivityIntentInfo[] newArray(int size) { 10543 return new ActivityIntentInfo[size]; 10544 } 10545 10546 @Override 10547 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10548 if (!sUserManager.exists(userId)) return true; 10549 PackageParser.Package p = filter.activity.owner; 10550 if (p != null) { 10551 PackageSetting ps = (PackageSetting)p.mExtras; 10552 if (ps != null) { 10553 // System apps are never considered stopped for purposes of 10554 // filtering, because there may be no way for the user to 10555 // actually re-launch them. 10556 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10557 && ps.getStopped(userId); 10558 } 10559 } 10560 return false; 10561 } 10562 10563 @Override 10564 protected boolean isPackageForFilter(String packageName, 10565 PackageParser.ActivityIntentInfo info) { 10566 return packageName.equals(info.activity.owner.packageName); 10567 } 10568 10569 @Override 10570 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10571 int match, int userId) { 10572 if (!sUserManager.exists(userId)) return null; 10573 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10574 return null; 10575 } 10576 final PackageParser.Activity activity = info.activity; 10577 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10578 if (ps == null) { 10579 return null; 10580 } 10581 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10582 ps.readUserState(userId), userId); 10583 if (ai == null) { 10584 return null; 10585 } 10586 final ResolveInfo res = new ResolveInfo(); 10587 res.activityInfo = ai; 10588 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10589 res.filter = info; 10590 } 10591 if (info != null) { 10592 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10593 } 10594 res.priority = info.getPriority(); 10595 res.preferredOrder = activity.owner.mPreferredOrder; 10596 //System.out.println("Result: " + res.activityInfo.className + 10597 // " = " + res.priority); 10598 res.match = match; 10599 res.isDefault = info.hasDefault; 10600 res.labelRes = info.labelRes; 10601 res.nonLocalizedLabel = info.nonLocalizedLabel; 10602 if (userNeedsBadging(userId)) { 10603 res.noResourceId = true; 10604 } else { 10605 res.icon = info.icon; 10606 } 10607 res.iconResourceId = info.icon; 10608 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10609 return res; 10610 } 10611 10612 @Override 10613 protected void sortResults(List<ResolveInfo> results) { 10614 Collections.sort(results, mResolvePrioritySorter); 10615 } 10616 10617 @Override 10618 protected void dumpFilter(PrintWriter out, String prefix, 10619 PackageParser.ActivityIntentInfo filter) { 10620 out.print(prefix); out.print( 10621 Integer.toHexString(System.identityHashCode(filter.activity))); 10622 out.print(' '); 10623 filter.activity.printComponentShortName(out); 10624 out.print(" filter "); 10625 out.println(Integer.toHexString(System.identityHashCode(filter))); 10626 } 10627 10628 @Override 10629 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10630 return filter.activity; 10631 } 10632 10633 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10634 PackageParser.Activity activity = (PackageParser.Activity)label; 10635 out.print(prefix); out.print( 10636 Integer.toHexString(System.identityHashCode(activity))); 10637 out.print(' '); 10638 activity.printComponentShortName(out); 10639 if (count > 1) { 10640 out.print(" ("); out.print(count); out.print(" filters)"); 10641 } 10642 out.println(); 10643 } 10644 10645 // Keys are String (activity class name), values are Activity. 10646 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10647 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10648 private int mFlags; 10649 } 10650 10651 private final class ServiceIntentResolver 10652 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10653 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10654 boolean defaultOnly, int userId) { 10655 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10656 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10657 } 10658 10659 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10660 int userId) { 10661 if (!sUserManager.exists(userId)) return null; 10662 mFlags = flags; 10663 return super.queryIntent(intent, resolvedType, 10664 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10665 } 10666 10667 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10668 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10669 if (!sUserManager.exists(userId)) return null; 10670 if (packageServices == null) { 10671 return null; 10672 } 10673 mFlags = flags; 10674 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10675 final int N = packageServices.size(); 10676 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10677 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10678 10679 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10680 for (int i = 0; i < N; ++i) { 10681 intentFilters = packageServices.get(i).intents; 10682 if (intentFilters != null && intentFilters.size() > 0) { 10683 PackageParser.ServiceIntentInfo[] array = 10684 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10685 intentFilters.toArray(array); 10686 listCut.add(array); 10687 } 10688 } 10689 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10690 } 10691 10692 public final void addService(PackageParser.Service s) { 10693 mServices.put(s.getComponentName(), s); 10694 if (DEBUG_SHOW_INFO) { 10695 Log.v(TAG, " " 10696 + (s.info.nonLocalizedLabel != null 10697 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10698 Log.v(TAG, " Class=" + s.info.name); 10699 } 10700 final int NI = s.intents.size(); 10701 int j; 10702 for (j=0; j<NI; j++) { 10703 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10704 if (DEBUG_SHOW_INFO) { 10705 Log.v(TAG, " IntentFilter:"); 10706 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10707 } 10708 if (!intent.debugCheck()) { 10709 Log.w(TAG, "==> For Service " + s.info.name); 10710 } 10711 addFilter(intent); 10712 } 10713 } 10714 10715 public final void removeService(PackageParser.Service s) { 10716 mServices.remove(s.getComponentName()); 10717 if (DEBUG_SHOW_INFO) { 10718 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10719 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10720 Log.v(TAG, " Class=" + s.info.name); 10721 } 10722 final int NI = s.intents.size(); 10723 int j; 10724 for (j=0; j<NI; j++) { 10725 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10726 if (DEBUG_SHOW_INFO) { 10727 Log.v(TAG, " IntentFilter:"); 10728 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10729 } 10730 removeFilter(intent); 10731 } 10732 } 10733 10734 @Override 10735 protected boolean allowFilterResult( 10736 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10737 ServiceInfo filterSi = filter.service.info; 10738 for (int i=dest.size()-1; i>=0; i--) { 10739 ServiceInfo destAi = dest.get(i).serviceInfo; 10740 if (destAi.name == filterSi.name 10741 && destAi.packageName == filterSi.packageName) { 10742 return false; 10743 } 10744 } 10745 return true; 10746 } 10747 10748 @Override 10749 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10750 return new PackageParser.ServiceIntentInfo[size]; 10751 } 10752 10753 @Override 10754 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10755 if (!sUserManager.exists(userId)) return true; 10756 PackageParser.Package p = filter.service.owner; 10757 if (p != null) { 10758 PackageSetting ps = (PackageSetting)p.mExtras; 10759 if (ps != null) { 10760 // System apps are never considered stopped for purposes of 10761 // filtering, because there may be no way for the user to 10762 // actually re-launch them. 10763 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10764 && ps.getStopped(userId); 10765 } 10766 } 10767 return false; 10768 } 10769 10770 @Override 10771 protected boolean isPackageForFilter(String packageName, 10772 PackageParser.ServiceIntentInfo info) { 10773 return packageName.equals(info.service.owner.packageName); 10774 } 10775 10776 @Override 10777 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10778 int match, int userId) { 10779 if (!sUserManager.exists(userId)) return null; 10780 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10781 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10782 return null; 10783 } 10784 final PackageParser.Service service = info.service; 10785 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10786 if (ps == null) { 10787 return null; 10788 } 10789 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10790 ps.readUserState(userId), userId); 10791 if (si == null) { 10792 return null; 10793 } 10794 final ResolveInfo res = new ResolveInfo(); 10795 res.serviceInfo = si; 10796 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10797 res.filter = filter; 10798 } 10799 res.priority = info.getPriority(); 10800 res.preferredOrder = service.owner.mPreferredOrder; 10801 res.match = match; 10802 res.isDefault = info.hasDefault; 10803 res.labelRes = info.labelRes; 10804 res.nonLocalizedLabel = info.nonLocalizedLabel; 10805 res.icon = info.icon; 10806 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10807 return res; 10808 } 10809 10810 @Override 10811 protected void sortResults(List<ResolveInfo> results) { 10812 Collections.sort(results, mResolvePrioritySorter); 10813 } 10814 10815 @Override 10816 protected void dumpFilter(PrintWriter out, String prefix, 10817 PackageParser.ServiceIntentInfo filter) { 10818 out.print(prefix); out.print( 10819 Integer.toHexString(System.identityHashCode(filter.service))); 10820 out.print(' '); 10821 filter.service.printComponentShortName(out); 10822 out.print(" filter "); 10823 out.println(Integer.toHexString(System.identityHashCode(filter))); 10824 } 10825 10826 @Override 10827 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10828 return filter.service; 10829 } 10830 10831 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10832 PackageParser.Service service = (PackageParser.Service)label; 10833 out.print(prefix); out.print( 10834 Integer.toHexString(System.identityHashCode(service))); 10835 out.print(' '); 10836 service.printComponentShortName(out); 10837 if (count > 1) { 10838 out.print(" ("); out.print(count); out.print(" filters)"); 10839 } 10840 out.println(); 10841 } 10842 10843// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10844// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10845// final List<ResolveInfo> retList = Lists.newArrayList(); 10846// while (i.hasNext()) { 10847// final ResolveInfo resolveInfo = (ResolveInfo) i; 10848// if (isEnabledLP(resolveInfo.serviceInfo)) { 10849// retList.add(resolveInfo); 10850// } 10851// } 10852// return retList; 10853// } 10854 10855 // Keys are String (activity class name), values are Activity. 10856 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10857 = new ArrayMap<ComponentName, PackageParser.Service>(); 10858 private int mFlags; 10859 }; 10860 10861 private final class ProviderIntentResolver 10862 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10863 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10864 boolean defaultOnly, int userId) { 10865 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10866 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10867 } 10868 10869 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10870 int userId) { 10871 if (!sUserManager.exists(userId)) 10872 return null; 10873 mFlags = flags; 10874 return super.queryIntent(intent, resolvedType, 10875 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10876 } 10877 10878 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10879 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10880 if (!sUserManager.exists(userId)) 10881 return null; 10882 if (packageProviders == null) { 10883 return null; 10884 } 10885 mFlags = flags; 10886 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10887 final int N = packageProviders.size(); 10888 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10889 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10890 10891 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10892 for (int i = 0; i < N; ++i) { 10893 intentFilters = packageProviders.get(i).intents; 10894 if (intentFilters != null && intentFilters.size() > 0) { 10895 PackageParser.ProviderIntentInfo[] array = 10896 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10897 intentFilters.toArray(array); 10898 listCut.add(array); 10899 } 10900 } 10901 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10902 } 10903 10904 public final void addProvider(PackageParser.Provider p) { 10905 if (mProviders.containsKey(p.getComponentName())) { 10906 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10907 return; 10908 } 10909 10910 mProviders.put(p.getComponentName(), p); 10911 if (DEBUG_SHOW_INFO) { 10912 Log.v(TAG, " " 10913 + (p.info.nonLocalizedLabel != null 10914 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10915 Log.v(TAG, " Class=" + p.info.name); 10916 } 10917 final int NI = p.intents.size(); 10918 int j; 10919 for (j = 0; j < NI; j++) { 10920 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10921 if (DEBUG_SHOW_INFO) { 10922 Log.v(TAG, " IntentFilter:"); 10923 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10924 } 10925 if (!intent.debugCheck()) { 10926 Log.w(TAG, "==> For Provider " + p.info.name); 10927 } 10928 addFilter(intent); 10929 } 10930 } 10931 10932 public final void removeProvider(PackageParser.Provider p) { 10933 mProviders.remove(p.getComponentName()); 10934 if (DEBUG_SHOW_INFO) { 10935 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10936 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10937 Log.v(TAG, " Class=" + p.info.name); 10938 } 10939 final int NI = p.intents.size(); 10940 int j; 10941 for (j = 0; j < NI; j++) { 10942 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10943 if (DEBUG_SHOW_INFO) { 10944 Log.v(TAG, " IntentFilter:"); 10945 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10946 } 10947 removeFilter(intent); 10948 } 10949 } 10950 10951 @Override 10952 protected boolean allowFilterResult( 10953 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10954 ProviderInfo filterPi = filter.provider.info; 10955 for (int i = dest.size() - 1; i >= 0; i--) { 10956 ProviderInfo destPi = dest.get(i).providerInfo; 10957 if (destPi.name == filterPi.name 10958 && destPi.packageName == filterPi.packageName) { 10959 return false; 10960 } 10961 } 10962 return true; 10963 } 10964 10965 @Override 10966 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10967 return new PackageParser.ProviderIntentInfo[size]; 10968 } 10969 10970 @Override 10971 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10972 if (!sUserManager.exists(userId)) 10973 return true; 10974 PackageParser.Package p = filter.provider.owner; 10975 if (p != null) { 10976 PackageSetting ps = (PackageSetting) p.mExtras; 10977 if (ps != null) { 10978 // System apps are never considered stopped for purposes of 10979 // filtering, because there may be no way for the user to 10980 // actually re-launch them. 10981 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10982 && ps.getStopped(userId); 10983 } 10984 } 10985 return false; 10986 } 10987 10988 @Override 10989 protected boolean isPackageForFilter(String packageName, 10990 PackageParser.ProviderIntentInfo info) { 10991 return packageName.equals(info.provider.owner.packageName); 10992 } 10993 10994 @Override 10995 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10996 int match, int userId) { 10997 if (!sUserManager.exists(userId)) 10998 return null; 10999 final PackageParser.ProviderIntentInfo info = filter; 11000 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11001 return null; 11002 } 11003 final PackageParser.Provider provider = info.provider; 11004 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11005 if (ps == null) { 11006 return null; 11007 } 11008 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11009 ps.readUserState(userId), userId); 11010 if (pi == null) { 11011 return null; 11012 } 11013 final ResolveInfo res = new ResolveInfo(); 11014 res.providerInfo = pi; 11015 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11016 res.filter = filter; 11017 } 11018 res.priority = info.getPriority(); 11019 res.preferredOrder = provider.owner.mPreferredOrder; 11020 res.match = match; 11021 res.isDefault = info.hasDefault; 11022 res.labelRes = info.labelRes; 11023 res.nonLocalizedLabel = info.nonLocalizedLabel; 11024 res.icon = info.icon; 11025 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11026 return res; 11027 } 11028 11029 @Override 11030 protected void sortResults(List<ResolveInfo> results) { 11031 Collections.sort(results, mResolvePrioritySorter); 11032 } 11033 11034 @Override 11035 protected void dumpFilter(PrintWriter out, String prefix, 11036 PackageParser.ProviderIntentInfo filter) { 11037 out.print(prefix); 11038 out.print( 11039 Integer.toHexString(System.identityHashCode(filter.provider))); 11040 out.print(' '); 11041 filter.provider.printComponentShortName(out); 11042 out.print(" filter "); 11043 out.println(Integer.toHexString(System.identityHashCode(filter))); 11044 } 11045 11046 @Override 11047 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11048 return filter.provider; 11049 } 11050 11051 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11052 PackageParser.Provider provider = (PackageParser.Provider)label; 11053 out.print(prefix); out.print( 11054 Integer.toHexString(System.identityHashCode(provider))); 11055 out.print(' '); 11056 provider.printComponentShortName(out); 11057 if (count > 1) { 11058 out.print(" ("); out.print(count); out.print(" filters)"); 11059 } 11060 out.println(); 11061 } 11062 11063 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11064 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11065 private int mFlags; 11066 } 11067 11068 private static final class EphemeralIntentResolver 11069 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11070 @Override 11071 protected EphemeralResolveIntentInfo[] newArray(int size) { 11072 return new EphemeralResolveIntentInfo[size]; 11073 } 11074 11075 @Override 11076 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11077 return true; 11078 } 11079 11080 @Override 11081 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11082 int userId) { 11083 if (!sUserManager.exists(userId)) { 11084 return null; 11085 } 11086 return info.getEphemeralResolveInfo(); 11087 } 11088 } 11089 11090 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11091 new Comparator<ResolveInfo>() { 11092 public int compare(ResolveInfo r1, ResolveInfo r2) { 11093 int v1 = r1.priority; 11094 int v2 = r2.priority; 11095 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11096 if (v1 != v2) { 11097 return (v1 > v2) ? -1 : 1; 11098 } 11099 v1 = r1.preferredOrder; 11100 v2 = r2.preferredOrder; 11101 if (v1 != v2) { 11102 return (v1 > v2) ? -1 : 1; 11103 } 11104 if (r1.isDefault != r2.isDefault) { 11105 return r1.isDefault ? -1 : 1; 11106 } 11107 v1 = r1.match; 11108 v2 = r2.match; 11109 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11110 if (v1 != v2) { 11111 return (v1 > v2) ? -1 : 1; 11112 } 11113 if (r1.system != r2.system) { 11114 return r1.system ? -1 : 1; 11115 } 11116 if (r1.activityInfo != null) { 11117 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11118 } 11119 if (r1.serviceInfo != null) { 11120 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11121 } 11122 if (r1.providerInfo != null) { 11123 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11124 } 11125 return 0; 11126 } 11127 }; 11128 11129 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11130 new Comparator<ProviderInfo>() { 11131 public int compare(ProviderInfo p1, ProviderInfo p2) { 11132 final int v1 = p1.initOrder; 11133 final int v2 = p2.initOrder; 11134 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11135 } 11136 }; 11137 11138 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11139 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11140 final int[] userIds) { 11141 mHandler.post(new Runnable() { 11142 @Override 11143 public void run() { 11144 try { 11145 final IActivityManager am = ActivityManagerNative.getDefault(); 11146 if (am == null) return; 11147 final int[] resolvedUserIds; 11148 if (userIds == null) { 11149 resolvedUserIds = am.getRunningUserIds(); 11150 } else { 11151 resolvedUserIds = userIds; 11152 } 11153 for (int id : resolvedUserIds) { 11154 final Intent intent = new Intent(action, 11155 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11156 if (extras != null) { 11157 intent.putExtras(extras); 11158 } 11159 if (targetPkg != null) { 11160 intent.setPackage(targetPkg); 11161 } 11162 // Modify the UID when posting to other users 11163 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11164 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11165 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11166 intent.putExtra(Intent.EXTRA_UID, uid); 11167 } 11168 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11169 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11170 if (DEBUG_BROADCASTS) { 11171 RuntimeException here = new RuntimeException("here"); 11172 here.fillInStackTrace(); 11173 Slog.d(TAG, "Sending to user " + id + ": " 11174 + intent.toShortString(false, true, false, false) 11175 + " " + intent.getExtras(), here); 11176 } 11177 am.broadcastIntent(null, intent, null, finishedReceiver, 11178 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11179 null, finishedReceiver != null, false, id); 11180 } 11181 } catch (RemoteException ex) { 11182 } 11183 } 11184 }); 11185 } 11186 11187 /** 11188 * Check if the external storage media is available. This is true if there 11189 * is a mounted external storage medium or if the external storage is 11190 * emulated. 11191 */ 11192 private boolean isExternalMediaAvailable() { 11193 return mMediaMounted || Environment.isExternalStorageEmulated(); 11194 } 11195 11196 @Override 11197 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11198 // writer 11199 synchronized (mPackages) { 11200 if (!isExternalMediaAvailable()) { 11201 // If the external storage is no longer mounted at this point, 11202 // the caller may not have been able to delete all of this 11203 // packages files and can not delete any more. Bail. 11204 return null; 11205 } 11206 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11207 if (lastPackage != null) { 11208 pkgs.remove(lastPackage); 11209 } 11210 if (pkgs.size() > 0) { 11211 return pkgs.get(0); 11212 } 11213 } 11214 return null; 11215 } 11216 11217 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11218 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11219 userId, andCode ? 1 : 0, packageName); 11220 if (mSystemReady) { 11221 msg.sendToTarget(); 11222 } else { 11223 if (mPostSystemReadyMessages == null) { 11224 mPostSystemReadyMessages = new ArrayList<>(); 11225 } 11226 mPostSystemReadyMessages.add(msg); 11227 } 11228 } 11229 11230 void startCleaningPackages() { 11231 // reader 11232 if (!isExternalMediaAvailable()) { 11233 return; 11234 } 11235 synchronized (mPackages) { 11236 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11237 return; 11238 } 11239 } 11240 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11241 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11242 IActivityManager am = ActivityManagerNative.getDefault(); 11243 if (am != null) { 11244 try { 11245 am.startService(null, intent, null, mContext.getOpPackageName(), 11246 UserHandle.USER_SYSTEM); 11247 } catch (RemoteException e) { 11248 } 11249 } 11250 } 11251 11252 @Override 11253 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11254 int installFlags, String installerPackageName, int userId) { 11255 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11256 11257 final int callingUid = Binder.getCallingUid(); 11258 enforceCrossUserPermission(callingUid, userId, 11259 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11260 11261 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11262 try { 11263 if (observer != null) { 11264 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11265 } 11266 } catch (RemoteException re) { 11267 } 11268 return; 11269 } 11270 11271 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11272 installFlags |= PackageManager.INSTALL_FROM_ADB; 11273 11274 } else { 11275 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11276 // about installerPackageName. 11277 11278 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11279 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11280 } 11281 11282 UserHandle user; 11283 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11284 user = UserHandle.ALL; 11285 } else { 11286 user = new UserHandle(userId); 11287 } 11288 11289 // Only system components can circumvent runtime permissions when installing. 11290 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11291 && mContext.checkCallingOrSelfPermission(Manifest.permission 11292 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11293 throw new SecurityException("You need the " 11294 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11295 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11296 } 11297 11298 final File originFile = new File(originPath); 11299 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11300 11301 final Message msg = mHandler.obtainMessage(INIT_COPY); 11302 final VerificationInfo verificationInfo = new VerificationInfo( 11303 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11304 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11305 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11306 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11307 null /*certificates*/); 11308 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11309 msg.obj = params; 11310 11311 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11312 System.identityHashCode(msg.obj)); 11313 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11314 System.identityHashCode(msg.obj)); 11315 11316 mHandler.sendMessage(msg); 11317 } 11318 11319 void installStage(String packageName, File stagedDir, String stagedCid, 11320 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11321 String installerPackageName, int installerUid, UserHandle user, 11322 Certificate[][] certificates) { 11323 if (DEBUG_EPHEMERAL) { 11324 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11325 Slog.d(TAG, "Ephemeral install of " + packageName); 11326 } 11327 } 11328 final VerificationInfo verificationInfo = new VerificationInfo( 11329 sessionParams.originatingUri, sessionParams.referrerUri, 11330 sessionParams.originatingUid, installerUid); 11331 11332 final OriginInfo origin; 11333 if (stagedDir != null) { 11334 origin = OriginInfo.fromStagedFile(stagedDir); 11335 } else { 11336 origin = OriginInfo.fromStagedContainer(stagedCid); 11337 } 11338 11339 final Message msg = mHandler.obtainMessage(INIT_COPY); 11340 final InstallParams params = new InstallParams(origin, null, observer, 11341 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11342 verificationInfo, user, sessionParams.abiOverride, 11343 sessionParams.grantedRuntimePermissions, certificates); 11344 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11345 msg.obj = params; 11346 11347 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11348 System.identityHashCode(msg.obj)); 11349 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11350 System.identityHashCode(msg.obj)); 11351 11352 mHandler.sendMessage(msg); 11353 } 11354 11355 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11356 int userId) { 11357 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11358 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11359 } 11360 11361 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11362 int appId, int userId) { 11363 Bundle extras = new Bundle(1); 11364 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11365 11366 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11367 packageName, extras, 0, null, null, new int[] {userId}); 11368 try { 11369 IActivityManager am = ActivityManagerNative.getDefault(); 11370 if (isSystem && am.isUserRunning(userId, 0)) { 11371 // The just-installed/enabled app is bundled on the system, so presumed 11372 // to be able to run automatically without needing an explicit launch. 11373 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11374 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11375 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11376 .setPackage(packageName); 11377 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11378 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11379 } 11380 } catch (RemoteException e) { 11381 // shouldn't happen 11382 Slog.w(TAG, "Unable to bootstrap installed package", e); 11383 } 11384 } 11385 11386 @Override 11387 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11388 int userId) { 11389 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11390 PackageSetting pkgSetting; 11391 final int uid = Binder.getCallingUid(); 11392 enforceCrossUserPermission(uid, userId, 11393 true /* requireFullPermission */, true /* checkShell */, 11394 "setApplicationHiddenSetting for user " + userId); 11395 11396 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11397 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11398 return false; 11399 } 11400 11401 long callingId = Binder.clearCallingIdentity(); 11402 try { 11403 boolean sendAdded = false; 11404 boolean sendRemoved = false; 11405 // writer 11406 synchronized (mPackages) { 11407 pkgSetting = mSettings.mPackages.get(packageName); 11408 if (pkgSetting == null) { 11409 return false; 11410 } 11411 if (pkgSetting.getHidden(userId) != hidden) { 11412 pkgSetting.setHidden(hidden, userId); 11413 mSettings.writePackageRestrictionsLPr(userId); 11414 if (hidden) { 11415 sendRemoved = true; 11416 } else { 11417 sendAdded = true; 11418 } 11419 } 11420 } 11421 if (sendAdded) { 11422 sendPackageAddedForUser(packageName, pkgSetting, userId); 11423 return true; 11424 } 11425 if (sendRemoved) { 11426 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11427 "hiding pkg"); 11428 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11429 return true; 11430 } 11431 } finally { 11432 Binder.restoreCallingIdentity(callingId); 11433 } 11434 return false; 11435 } 11436 11437 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11438 int userId) { 11439 final PackageRemovedInfo info = new PackageRemovedInfo(); 11440 info.removedPackage = packageName; 11441 info.removedUsers = new int[] {userId}; 11442 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11443 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11444 } 11445 11446 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11447 if (pkgList.length > 0) { 11448 Bundle extras = new Bundle(1); 11449 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11450 11451 sendPackageBroadcast( 11452 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11453 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11454 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11455 new int[] {userId}); 11456 } 11457 } 11458 11459 /** 11460 * Returns true if application is not found or there was an error. Otherwise it returns 11461 * the hidden state of the package for the given user. 11462 */ 11463 @Override 11464 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11465 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11466 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11467 true /* requireFullPermission */, false /* checkShell */, 11468 "getApplicationHidden for user " + userId); 11469 PackageSetting pkgSetting; 11470 long callingId = Binder.clearCallingIdentity(); 11471 try { 11472 // writer 11473 synchronized (mPackages) { 11474 pkgSetting = mSettings.mPackages.get(packageName); 11475 if (pkgSetting == null) { 11476 return true; 11477 } 11478 return pkgSetting.getHidden(userId); 11479 } 11480 } finally { 11481 Binder.restoreCallingIdentity(callingId); 11482 } 11483 } 11484 11485 /** 11486 * @hide 11487 */ 11488 @Override 11489 public int installExistingPackageAsUser(String packageName, int userId) { 11490 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11491 null); 11492 PackageSetting pkgSetting; 11493 final int uid = Binder.getCallingUid(); 11494 enforceCrossUserPermission(uid, userId, 11495 true /* requireFullPermission */, true /* checkShell */, 11496 "installExistingPackage for user " + userId); 11497 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11498 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11499 } 11500 11501 long callingId = Binder.clearCallingIdentity(); 11502 try { 11503 boolean installed = false; 11504 11505 // writer 11506 synchronized (mPackages) { 11507 pkgSetting = mSettings.mPackages.get(packageName); 11508 if (pkgSetting == null) { 11509 return PackageManager.INSTALL_FAILED_INVALID_URI; 11510 } 11511 if (!pkgSetting.getInstalled(userId)) { 11512 pkgSetting.setInstalled(true, userId); 11513 pkgSetting.setHidden(false, userId); 11514 mSettings.writePackageRestrictionsLPr(userId); 11515 installed = true; 11516 } 11517 } 11518 11519 if (installed) { 11520 if (pkgSetting.pkg != null) { 11521 synchronized (mInstallLock) { 11522 // We don't need to freeze for a brand new install 11523 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11524 } 11525 } 11526 sendPackageAddedForUser(packageName, pkgSetting, userId); 11527 } 11528 } finally { 11529 Binder.restoreCallingIdentity(callingId); 11530 } 11531 11532 return PackageManager.INSTALL_SUCCEEDED; 11533 } 11534 11535 boolean isUserRestricted(int userId, String restrictionKey) { 11536 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11537 if (restrictions.getBoolean(restrictionKey, false)) { 11538 Log.w(TAG, "User is restricted: " + restrictionKey); 11539 return true; 11540 } 11541 return false; 11542 } 11543 11544 @Override 11545 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11546 int userId) { 11547 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11548 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11549 true /* requireFullPermission */, true /* checkShell */, 11550 "setPackagesSuspended for user " + userId); 11551 11552 if (ArrayUtils.isEmpty(packageNames)) { 11553 return packageNames; 11554 } 11555 11556 // List of package names for whom the suspended state has changed. 11557 List<String> changedPackages = new ArrayList<>(packageNames.length); 11558 // List of package names for whom the suspended state is not set as requested in this 11559 // method. 11560 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11561 long callingId = Binder.clearCallingIdentity(); 11562 try { 11563 for (int i = 0; i < packageNames.length; i++) { 11564 String packageName = packageNames[i]; 11565 boolean changed = false; 11566 final int appId; 11567 synchronized (mPackages) { 11568 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11569 if (pkgSetting == null) { 11570 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11571 + "\". Skipping suspending/un-suspending."); 11572 unactionedPackages.add(packageName); 11573 continue; 11574 } 11575 appId = pkgSetting.appId; 11576 if (pkgSetting.getSuspended(userId) != suspended) { 11577 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11578 unactionedPackages.add(packageName); 11579 continue; 11580 } 11581 pkgSetting.setSuspended(suspended, userId); 11582 mSettings.writePackageRestrictionsLPr(userId); 11583 changed = true; 11584 changedPackages.add(packageName); 11585 } 11586 } 11587 11588 if (changed && suspended) { 11589 killApplication(packageName, UserHandle.getUid(userId, appId), 11590 "suspending package"); 11591 } 11592 } 11593 } finally { 11594 Binder.restoreCallingIdentity(callingId); 11595 } 11596 11597 if (!changedPackages.isEmpty()) { 11598 sendPackagesSuspendedForUser(changedPackages.toArray( 11599 new String[changedPackages.size()]), userId, suspended); 11600 } 11601 11602 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11603 } 11604 11605 @Override 11606 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11607 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11608 true /* requireFullPermission */, false /* checkShell */, 11609 "isPackageSuspendedForUser for user " + userId); 11610 synchronized (mPackages) { 11611 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11612 if (pkgSetting == null) { 11613 throw new IllegalArgumentException("Unknown target package: " + packageName); 11614 } 11615 return pkgSetting.getSuspended(userId); 11616 } 11617 } 11618 11619 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11620 if (isPackageDeviceAdmin(packageName, userId)) { 11621 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11622 + "\": has an active device admin"); 11623 return false; 11624 } 11625 11626 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11627 if (packageName.equals(activeLauncherPackageName)) { 11628 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11629 + "\": contains the active launcher"); 11630 return false; 11631 } 11632 11633 if (packageName.equals(mRequiredInstallerPackage)) { 11634 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11635 + "\": required for package installation"); 11636 return false; 11637 } 11638 11639 if (packageName.equals(mRequiredVerifierPackage)) { 11640 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11641 + "\": required for package verification"); 11642 return false; 11643 } 11644 11645 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11646 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11647 + "\": is the default dialer"); 11648 return false; 11649 } 11650 11651 return true; 11652 } 11653 11654 private String getActiveLauncherPackageName(int userId) { 11655 Intent intent = new Intent(Intent.ACTION_MAIN); 11656 intent.addCategory(Intent.CATEGORY_HOME); 11657 ResolveInfo resolveInfo = resolveIntent( 11658 intent, 11659 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11660 PackageManager.MATCH_DEFAULT_ONLY, 11661 userId); 11662 11663 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11664 } 11665 11666 private String getDefaultDialerPackageName(int userId) { 11667 synchronized (mPackages) { 11668 return mSettings.getDefaultDialerPackageNameLPw(userId); 11669 } 11670 } 11671 11672 @Override 11673 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11674 mContext.enforceCallingOrSelfPermission( 11675 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11676 "Only package verification agents can verify applications"); 11677 11678 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11679 final PackageVerificationResponse response = new PackageVerificationResponse( 11680 verificationCode, Binder.getCallingUid()); 11681 msg.arg1 = id; 11682 msg.obj = response; 11683 mHandler.sendMessage(msg); 11684 } 11685 11686 @Override 11687 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11688 long millisecondsToDelay) { 11689 mContext.enforceCallingOrSelfPermission( 11690 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11691 "Only package verification agents can extend verification timeouts"); 11692 11693 final PackageVerificationState state = mPendingVerification.get(id); 11694 final PackageVerificationResponse response = new PackageVerificationResponse( 11695 verificationCodeAtTimeout, Binder.getCallingUid()); 11696 11697 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11698 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11699 } 11700 if (millisecondsToDelay < 0) { 11701 millisecondsToDelay = 0; 11702 } 11703 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11704 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11705 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11706 } 11707 11708 if ((state != null) && !state.timeoutExtended()) { 11709 state.extendTimeout(); 11710 11711 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11712 msg.arg1 = id; 11713 msg.obj = response; 11714 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11715 } 11716 } 11717 11718 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11719 int verificationCode, UserHandle user) { 11720 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11721 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11722 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11723 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11724 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11725 11726 mContext.sendBroadcastAsUser(intent, user, 11727 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11728 } 11729 11730 private ComponentName matchComponentForVerifier(String packageName, 11731 List<ResolveInfo> receivers) { 11732 ActivityInfo targetReceiver = null; 11733 11734 final int NR = receivers.size(); 11735 for (int i = 0; i < NR; i++) { 11736 final ResolveInfo info = receivers.get(i); 11737 if (info.activityInfo == null) { 11738 continue; 11739 } 11740 11741 if (packageName.equals(info.activityInfo.packageName)) { 11742 targetReceiver = info.activityInfo; 11743 break; 11744 } 11745 } 11746 11747 if (targetReceiver == null) { 11748 return null; 11749 } 11750 11751 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11752 } 11753 11754 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11755 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11756 if (pkgInfo.verifiers.length == 0) { 11757 return null; 11758 } 11759 11760 final int N = pkgInfo.verifiers.length; 11761 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11762 for (int i = 0; i < N; i++) { 11763 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11764 11765 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11766 receivers); 11767 if (comp == null) { 11768 continue; 11769 } 11770 11771 final int verifierUid = getUidForVerifier(verifierInfo); 11772 if (verifierUid == -1) { 11773 continue; 11774 } 11775 11776 if (DEBUG_VERIFY) { 11777 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11778 + " with the correct signature"); 11779 } 11780 sufficientVerifiers.add(comp); 11781 verificationState.addSufficientVerifier(verifierUid); 11782 } 11783 11784 return sufficientVerifiers; 11785 } 11786 11787 private int getUidForVerifier(VerifierInfo verifierInfo) { 11788 synchronized (mPackages) { 11789 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11790 if (pkg == null) { 11791 return -1; 11792 } else if (pkg.mSignatures.length != 1) { 11793 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11794 + " has more than one signature; ignoring"); 11795 return -1; 11796 } 11797 11798 /* 11799 * If the public key of the package's signature does not match 11800 * our expected public key, then this is a different package and 11801 * we should skip. 11802 */ 11803 11804 final byte[] expectedPublicKey; 11805 try { 11806 final Signature verifierSig = pkg.mSignatures[0]; 11807 final PublicKey publicKey = verifierSig.getPublicKey(); 11808 expectedPublicKey = publicKey.getEncoded(); 11809 } catch (CertificateException e) { 11810 return -1; 11811 } 11812 11813 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11814 11815 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11816 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11817 + " does not have the expected public key; ignoring"); 11818 return -1; 11819 } 11820 11821 return pkg.applicationInfo.uid; 11822 } 11823 } 11824 11825 @Override 11826 public void finishPackageInstall(int token, boolean didLaunch) { 11827 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11828 11829 if (DEBUG_INSTALL) { 11830 Slog.v(TAG, "BM finishing package install for " + token); 11831 } 11832 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11833 11834 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11835 mHandler.sendMessage(msg); 11836 } 11837 11838 /** 11839 * Get the verification agent timeout. 11840 * 11841 * @return verification timeout in milliseconds 11842 */ 11843 private long getVerificationTimeout() { 11844 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11845 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11846 DEFAULT_VERIFICATION_TIMEOUT); 11847 } 11848 11849 /** 11850 * Get the default verification agent response code. 11851 * 11852 * @return default verification response code 11853 */ 11854 private int getDefaultVerificationResponse() { 11855 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11856 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11857 DEFAULT_VERIFICATION_RESPONSE); 11858 } 11859 11860 /** 11861 * Check whether or not package verification has been enabled. 11862 * 11863 * @return true if verification should be performed 11864 */ 11865 private boolean isVerificationEnabled(int userId, int installFlags) { 11866 if (!DEFAULT_VERIFY_ENABLE) { 11867 return false; 11868 } 11869 // Ephemeral apps don't get the full verification treatment 11870 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11871 if (DEBUG_EPHEMERAL) { 11872 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11873 } 11874 return false; 11875 } 11876 11877 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11878 11879 // Check if installing from ADB 11880 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11881 // Do not run verification in a test harness environment 11882 if (ActivityManager.isRunningInTestHarness()) { 11883 return false; 11884 } 11885 if (ensureVerifyAppsEnabled) { 11886 return true; 11887 } 11888 // Check if the developer does not want package verification for ADB installs 11889 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11890 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11891 return false; 11892 } 11893 } 11894 11895 if (ensureVerifyAppsEnabled) { 11896 return true; 11897 } 11898 11899 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11900 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11901 } 11902 11903 @Override 11904 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11905 throws RemoteException { 11906 mContext.enforceCallingOrSelfPermission( 11907 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11908 "Only intentfilter verification agents can verify applications"); 11909 11910 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11911 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11912 Binder.getCallingUid(), verificationCode, failedDomains); 11913 msg.arg1 = id; 11914 msg.obj = response; 11915 mHandler.sendMessage(msg); 11916 } 11917 11918 @Override 11919 public int getIntentVerificationStatus(String packageName, int userId) { 11920 synchronized (mPackages) { 11921 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11922 } 11923 } 11924 11925 @Override 11926 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11927 mContext.enforceCallingOrSelfPermission( 11928 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11929 11930 boolean result = false; 11931 synchronized (mPackages) { 11932 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11933 } 11934 if (result) { 11935 scheduleWritePackageRestrictionsLocked(userId); 11936 } 11937 return result; 11938 } 11939 11940 @Override 11941 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11942 String packageName) { 11943 synchronized (mPackages) { 11944 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11945 } 11946 } 11947 11948 @Override 11949 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11950 if (TextUtils.isEmpty(packageName)) { 11951 return ParceledListSlice.emptyList(); 11952 } 11953 synchronized (mPackages) { 11954 PackageParser.Package pkg = mPackages.get(packageName); 11955 if (pkg == null || pkg.activities == null) { 11956 return ParceledListSlice.emptyList(); 11957 } 11958 final int count = pkg.activities.size(); 11959 ArrayList<IntentFilter> result = new ArrayList<>(); 11960 for (int n=0; n<count; n++) { 11961 PackageParser.Activity activity = pkg.activities.get(n); 11962 if (activity.intents != null && activity.intents.size() > 0) { 11963 result.addAll(activity.intents); 11964 } 11965 } 11966 return new ParceledListSlice<>(result); 11967 } 11968 } 11969 11970 @Override 11971 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11972 mContext.enforceCallingOrSelfPermission( 11973 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11974 11975 synchronized (mPackages) { 11976 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11977 if (packageName != null) { 11978 result |= updateIntentVerificationStatus(packageName, 11979 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11980 userId); 11981 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11982 packageName, userId); 11983 } 11984 return result; 11985 } 11986 } 11987 11988 @Override 11989 public String getDefaultBrowserPackageName(int userId) { 11990 synchronized (mPackages) { 11991 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11992 } 11993 } 11994 11995 /** 11996 * Get the "allow unknown sources" setting. 11997 * 11998 * @return the current "allow unknown sources" setting 11999 */ 12000 private int getUnknownSourcesSettings() { 12001 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12002 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12003 -1); 12004 } 12005 12006 @Override 12007 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12008 final int uid = Binder.getCallingUid(); 12009 // writer 12010 synchronized (mPackages) { 12011 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12012 if (targetPackageSetting == null) { 12013 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12014 } 12015 12016 PackageSetting installerPackageSetting; 12017 if (installerPackageName != null) { 12018 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12019 if (installerPackageSetting == null) { 12020 throw new IllegalArgumentException("Unknown installer package: " 12021 + installerPackageName); 12022 } 12023 } else { 12024 installerPackageSetting = null; 12025 } 12026 12027 Signature[] callerSignature; 12028 Object obj = mSettings.getUserIdLPr(uid); 12029 if (obj != null) { 12030 if (obj instanceof SharedUserSetting) { 12031 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12032 } else if (obj instanceof PackageSetting) { 12033 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12034 } else { 12035 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12036 } 12037 } else { 12038 throw new SecurityException("Unknown calling UID: " + uid); 12039 } 12040 12041 // Verify: can't set installerPackageName to a package that is 12042 // not signed with the same cert as the caller. 12043 if (installerPackageSetting != null) { 12044 if (compareSignatures(callerSignature, 12045 installerPackageSetting.signatures.mSignatures) 12046 != PackageManager.SIGNATURE_MATCH) { 12047 throw new SecurityException( 12048 "Caller does not have same cert as new installer package " 12049 + installerPackageName); 12050 } 12051 } 12052 12053 // Verify: if target already has an installer package, it must 12054 // be signed with the same cert as the caller. 12055 if (targetPackageSetting.installerPackageName != null) { 12056 PackageSetting setting = mSettings.mPackages.get( 12057 targetPackageSetting.installerPackageName); 12058 // If the currently set package isn't valid, then it's always 12059 // okay to change it. 12060 if (setting != null) { 12061 if (compareSignatures(callerSignature, 12062 setting.signatures.mSignatures) 12063 != PackageManager.SIGNATURE_MATCH) { 12064 throw new SecurityException( 12065 "Caller does not have same cert as old installer package " 12066 + targetPackageSetting.installerPackageName); 12067 } 12068 } 12069 } 12070 12071 // Okay! 12072 targetPackageSetting.installerPackageName = installerPackageName; 12073 if (installerPackageName != null) { 12074 mSettings.mInstallerPackages.add(installerPackageName); 12075 } 12076 scheduleWriteSettingsLocked(); 12077 } 12078 } 12079 12080 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12081 // Queue up an async operation since the package installation may take a little while. 12082 mHandler.post(new Runnable() { 12083 public void run() { 12084 mHandler.removeCallbacks(this); 12085 // Result object to be returned 12086 PackageInstalledInfo res = new PackageInstalledInfo(); 12087 res.setReturnCode(currentStatus); 12088 res.uid = -1; 12089 res.pkg = null; 12090 res.removedInfo = null; 12091 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12092 args.doPreInstall(res.returnCode); 12093 synchronized (mInstallLock) { 12094 installPackageTracedLI(args, res); 12095 } 12096 args.doPostInstall(res.returnCode, res.uid); 12097 } 12098 12099 // A restore should be performed at this point if (a) the install 12100 // succeeded, (b) the operation is not an update, and (c) the new 12101 // package has not opted out of backup participation. 12102 final boolean update = res.removedInfo != null 12103 && res.removedInfo.removedPackage != null; 12104 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12105 boolean doRestore = !update 12106 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12107 12108 // Set up the post-install work request bookkeeping. This will be used 12109 // and cleaned up by the post-install event handling regardless of whether 12110 // there's a restore pass performed. Token values are >= 1. 12111 int token; 12112 if (mNextInstallToken < 0) mNextInstallToken = 1; 12113 token = mNextInstallToken++; 12114 12115 PostInstallData data = new PostInstallData(args, res); 12116 mRunningInstalls.put(token, data); 12117 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12118 12119 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12120 // Pass responsibility to the Backup Manager. It will perform a 12121 // restore if appropriate, then pass responsibility back to the 12122 // Package Manager to run the post-install observer callbacks 12123 // and broadcasts. 12124 IBackupManager bm = IBackupManager.Stub.asInterface( 12125 ServiceManager.getService(Context.BACKUP_SERVICE)); 12126 if (bm != null) { 12127 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12128 + " to BM for possible restore"); 12129 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12130 try { 12131 // TODO: http://b/22388012 12132 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12133 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12134 } else { 12135 doRestore = false; 12136 } 12137 } catch (RemoteException e) { 12138 // can't happen; the backup manager is local 12139 } catch (Exception e) { 12140 Slog.e(TAG, "Exception trying to enqueue restore", e); 12141 doRestore = false; 12142 } 12143 } else { 12144 Slog.e(TAG, "Backup Manager not found!"); 12145 doRestore = false; 12146 } 12147 } 12148 12149 if (!doRestore) { 12150 // No restore possible, or the Backup Manager was mysteriously not 12151 // available -- just fire the post-install work request directly. 12152 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12153 12154 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12155 12156 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12157 mHandler.sendMessage(msg); 12158 } 12159 } 12160 }); 12161 } 12162 12163 /** 12164 * Callback from PackageSettings whenever an app is first transitioned out of the 12165 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12166 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12167 * here whether the app is the target of an ongoing install, and only send the 12168 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12169 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12170 * handling. 12171 */ 12172 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12173 // Serialize this with the rest of the install-process message chain. In the 12174 // restore-at-install case, this Runnable will necessarily run before the 12175 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12176 // are coherent. In the non-restore case, the app has already completed install 12177 // and been launched through some other means, so it is not in a problematic 12178 // state for observers to see the FIRST_LAUNCH signal. 12179 mHandler.post(new Runnable() { 12180 @Override 12181 public void run() { 12182 for (int i = 0; i < mRunningInstalls.size(); i++) { 12183 final PostInstallData data = mRunningInstalls.valueAt(i); 12184 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12185 // right package; but is it for the right user? 12186 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12187 if (userId == data.res.newUsers[uIndex]) { 12188 if (DEBUG_BACKUP) { 12189 Slog.i(TAG, "Package " + pkgName 12190 + " being restored so deferring FIRST_LAUNCH"); 12191 } 12192 return; 12193 } 12194 } 12195 } 12196 } 12197 // didn't find it, so not being restored 12198 if (DEBUG_BACKUP) { 12199 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12200 } 12201 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12202 } 12203 }); 12204 } 12205 12206 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12207 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12208 installerPkg, null, userIds); 12209 } 12210 12211 private abstract class HandlerParams { 12212 private static final int MAX_RETRIES = 4; 12213 12214 /** 12215 * Number of times startCopy() has been attempted and had a non-fatal 12216 * error. 12217 */ 12218 private int mRetries = 0; 12219 12220 /** User handle for the user requesting the information or installation. */ 12221 private final UserHandle mUser; 12222 String traceMethod; 12223 int traceCookie; 12224 12225 HandlerParams(UserHandle user) { 12226 mUser = user; 12227 } 12228 12229 UserHandle getUser() { 12230 return mUser; 12231 } 12232 12233 HandlerParams setTraceMethod(String traceMethod) { 12234 this.traceMethod = traceMethod; 12235 return this; 12236 } 12237 12238 HandlerParams setTraceCookie(int traceCookie) { 12239 this.traceCookie = traceCookie; 12240 return this; 12241 } 12242 12243 final boolean startCopy() { 12244 boolean res; 12245 try { 12246 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12247 12248 if (++mRetries > MAX_RETRIES) { 12249 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12250 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12251 handleServiceError(); 12252 return false; 12253 } else { 12254 handleStartCopy(); 12255 res = true; 12256 } 12257 } catch (RemoteException e) { 12258 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12259 mHandler.sendEmptyMessage(MCS_RECONNECT); 12260 res = false; 12261 } 12262 handleReturnCode(); 12263 return res; 12264 } 12265 12266 final void serviceError() { 12267 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12268 handleServiceError(); 12269 handleReturnCode(); 12270 } 12271 12272 abstract void handleStartCopy() throws RemoteException; 12273 abstract void handleServiceError(); 12274 abstract void handleReturnCode(); 12275 } 12276 12277 class MeasureParams extends HandlerParams { 12278 private final PackageStats mStats; 12279 private boolean mSuccess; 12280 12281 private final IPackageStatsObserver mObserver; 12282 12283 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12284 super(new UserHandle(stats.userHandle)); 12285 mObserver = observer; 12286 mStats = stats; 12287 } 12288 12289 @Override 12290 public String toString() { 12291 return "MeasureParams{" 12292 + Integer.toHexString(System.identityHashCode(this)) 12293 + " " + mStats.packageName + "}"; 12294 } 12295 12296 @Override 12297 void handleStartCopy() throws RemoteException { 12298 synchronized (mInstallLock) { 12299 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12300 } 12301 12302 if (mSuccess) { 12303 final boolean mounted; 12304 if (Environment.isExternalStorageEmulated()) { 12305 mounted = true; 12306 } else { 12307 final String status = Environment.getExternalStorageState(); 12308 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12309 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12310 } 12311 12312 if (mounted) { 12313 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12314 12315 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12316 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12317 12318 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12319 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12320 12321 // Always subtract cache size, since it's a subdirectory 12322 mStats.externalDataSize -= mStats.externalCacheSize; 12323 12324 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12325 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12326 12327 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12328 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12329 } 12330 } 12331 } 12332 12333 @Override 12334 void handleReturnCode() { 12335 if (mObserver != null) { 12336 try { 12337 mObserver.onGetStatsCompleted(mStats, mSuccess); 12338 } catch (RemoteException e) { 12339 Slog.i(TAG, "Observer no longer exists."); 12340 } 12341 } 12342 } 12343 12344 @Override 12345 void handleServiceError() { 12346 Slog.e(TAG, "Could not measure application " + mStats.packageName 12347 + " external storage"); 12348 } 12349 } 12350 12351 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12352 throws RemoteException { 12353 long result = 0; 12354 for (File path : paths) { 12355 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12356 } 12357 return result; 12358 } 12359 12360 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12361 for (File path : paths) { 12362 try { 12363 mcs.clearDirectory(path.getAbsolutePath()); 12364 } catch (RemoteException e) { 12365 } 12366 } 12367 } 12368 12369 static class OriginInfo { 12370 /** 12371 * Location where install is coming from, before it has been 12372 * copied/renamed into place. This could be a single monolithic APK 12373 * file, or a cluster directory. This location may be untrusted. 12374 */ 12375 final File file; 12376 final String cid; 12377 12378 /** 12379 * Flag indicating that {@link #file} or {@link #cid} has already been 12380 * staged, meaning downstream users don't need to defensively copy the 12381 * contents. 12382 */ 12383 final boolean staged; 12384 12385 /** 12386 * Flag indicating that {@link #file} or {@link #cid} is an already 12387 * installed app that is being moved. 12388 */ 12389 final boolean existing; 12390 12391 final String resolvedPath; 12392 final File resolvedFile; 12393 12394 static OriginInfo fromNothing() { 12395 return new OriginInfo(null, null, false, false); 12396 } 12397 12398 static OriginInfo fromUntrustedFile(File file) { 12399 return new OriginInfo(file, null, false, false); 12400 } 12401 12402 static OriginInfo fromExistingFile(File file) { 12403 return new OriginInfo(file, null, false, true); 12404 } 12405 12406 static OriginInfo fromStagedFile(File file) { 12407 return new OriginInfo(file, null, true, false); 12408 } 12409 12410 static OriginInfo fromStagedContainer(String cid) { 12411 return new OriginInfo(null, cid, true, false); 12412 } 12413 12414 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12415 this.file = file; 12416 this.cid = cid; 12417 this.staged = staged; 12418 this.existing = existing; 12419 12420 if (cid != null) { 12421 resolvedPath = PackageHelper.getSdDir(cid); 12422 resolvedFile = new File(resolvedPath); 12423 } else if (file != null) { 12424 resolvedPath = file.getAbsolutePath(); 12425 resolvedFile = file; 12426 } else { 12427 resolvedPath = null; 12428 resolvedFile = null; 12429 } 12430 } 12431 } 12432 12433 static class MoveInfo { 12434 final int moveId; 12435 final String fromUuid; 12436 final String toUuid; 12437 final String packageName; 12438 final String dataAppName; 12439 final int appId; 12440 final String seinfo; 12441 final int targetSdkVersion; 12442 12443 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12444 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12445 this.moveId = moveId; 12446 this.fromUuid = fromUuid; 12447 this.toUuid = toUuid; 12448 this.packageName = packageName; 12449 this.dataAppName = dataAppName; 12450 this.appId = appId; 12451 this.seinfo = seinfo; 12452 this.targetSdkVersion = targetSdkVersion; 12453 } 12454 } 12455 12456 static class VerificationInfo { 12457 /** A constant used to indicate that a uid value is not present. */ 12458 public static final int NO_UID = -1; 12459 12460 /** URI referencing where the package was downloaded from. */ 12461 final Uri originatingUri; 12462 12463 /** HTTP referrer URI associated with the originatingURI. */ 12464 final Uri referrer; 12465 12466 /** UID of the application that the install request originated from. */ 12467 final int originatingUid; 12468 12469 /** UID of application requesting the install */ 12470 final int installerUid; 12471 12472 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12473 this.originatingUri = originatingUri; 12474 this.referrer = referrer; 12475 this.originatingUid = originatingUid; 12476 this.installerUid = installerUid; 12477 } 12478 } 12479 12480 class InstallParams extends HandlerParams { 12481 final OriginInfo origin; 12482 final MoveInfo move; 12483 final IPackageInstallObserver2 observer; 12484 int installFlags; 12485 final String installerPackageName; 12486 final String volumeUuid; 12487 private InstallArgs mArgs; 12488 private int mRet; 12489 final String packageAbiOverride; 12490 final String[] grantedRuntimePermissions; 12491 final VerificationInfo verificationInfo; 12492 final Certificate[][] certificates; 12493 12494 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12495 int installFlags, String installerPackageName, String volumeUuid, 12496 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12497 String[] grantedPermissions, Certificate[][] certificates) { 12498 super(user); 12499 this.origin = origin; 12500 this.move = move; 12501 this.observer = observer; 12502 this.installFlags = installFlags; 12503 this.installerPackageName = installerPackageName; 12504 this.volumeUuid = volumeUuid; 12505 this.verificationInfo = verificationInfo; 12506 this.packageAbiOverride = packageAbiOverride; 12507 this.grantedRuntimePermissions = grantedPermissions; 12508 this.certificates = certificates; 12509 } 12510 12511 @Override 12512 public String toString() { 12513 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12514 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12515 } 12516 12517 private int installLocationPolicy(PackageInfoLite pkgLite) { 12518 String packageName = pkgLite.packageName; 12519 int installLocation = pkgLite.installLocation; 12520 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12521 // reader 12522 synchronized (mPackages) { 12523 // Currently installed package which the new package is attempting to replace or 12524 // null if no such package is installed. 12525 PackageParser.Package installedPkg = mPackages.get(packageName); 12526 // Package which currently owns the data which the new package will own if installed. 12527 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12528 // will be null whereas dataOwnerPkg will contain information about the package 12529 // which was uninstalled while keeping its data. 12530 PackageParser.Package dataOwnerPkg = installedPkg; 12531 if (dataOwnerPkg == null) { 12532 PackageSetting ps = mSettings.mPackages.get(packageName); 12533 if (ps != null) { 12534 dataOwnerPkg = ps.pkg; 12535 } 12536 } 12537 12538 if (dataOwnerPkg != null) { 12539 // If installed, the package will get access to data left on the device by its 12540 // predecessor. As a security measure, this is permited only if this is not a 12541 // version downgrade or if the predecessor package is marked as debuggable and 12542 // a downgrade is explicitly requested. 12543 // 12544 // On debuggable platform builds, downgrades are permitted even for 12545 // non-debuggable packages to make testing easier. Debuggable platform builds do 12546 // not offer security guarantees and thus it's OK to disable some security 12547 // mechanisms to make debugging/testing easier on those builds. However, even on 12548 // debuggable builds downgrades of packages are permitted only if requested via 12549 // installFlags. This is because we aim to keep the behavior of debuggable 12550 // platform builds as close as possible to the behavior of non-debuggable 12551 // platform builds. 12552 final boolean downgradeRequested = 12553 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12554 final boolean packageDebuggable = 12555 (dataOwnerPkg.applicationInfo.flags 12556 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12557 final boolean downgradePermitted = 12558 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12559 if (!downgradePermitted) { 12560 try { 12561 checkDowngrade(dataOwnerPkg, pkgLite); 12562 } catch (PackageManagerException e) { 12563 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12564 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12565 } 12566 } 12567 } 12568 12569 if (installedPkg != null) { 12570 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12571 // Check for updated system application. 12572 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12573 if (onSd) { 12574 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12575 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12576 } 12577 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12578 } else { 12579 if (onSd) { 12580 // Install flag overrides everything. 12581 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12582 } 12583 // If current upgrade specifies particular preference 12584 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12585 // Application explicitly specified internal. 12586 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12587 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12588 // App explictly prefers external. Let policy decide 12589 } else { 12590 // Prefer previous location 12591 if (isExternal(installedPkg)) { 12592 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12593 } 12594 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12595 } 12596 } 12597 } else { 12598 // Invalid install. Return error code 12599 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12600 } 12601 } 12602 } 12603 // All the special cases have been taken care of. 12604 // Return result based on recommended install location. 12605 if (onSd) { 12606 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12607 } 12608 return pkgLite.recommendedInstallLocation; 12609 } 12610 12611 /* 12612 * Invoke remote method to get package information and install 12613 * location values. Override install location based on default 12614 * policy if needed and then create install arguments based 12615 * on the install location. 12616 */ 12617 public void handleStartCopy() throws RemoteException { 12618 int ret = PackageManager.INSTALL_SUCCEEDED; 12619 12620 // If we're already staged, we've firmly committed to an install location 12621 if (origin.staged) { 12622 if (origin.file != null) { 12623 installFlags |= PackageManager.INSTALL_INTERNAL; 12624 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12625 } else if (origin.cid != null) { 12626 installFlags |= PackageManager.INSTALL_EXTERNAL; 12627 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12628 } else { 12629 throw new IllegalStateException("Invalid stage location"); 12630 } 12631 } 12632 12633 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12634 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12635 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12636 PackageInfoLite pkgLite = null; 12637 12638 if (onInt && onSd) { 12639 // Check if both bits are set. 12640 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12641 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12642 } else if (onSd && ephemeral) { 12643 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12644 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12645 } else { 12646 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12647 packageAbiOverride); 12648 12649 if (DEBUG_EPHEMERAL && ephemeral) { 12650 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12651 } 12652 12653 /* 12654 * If we have too little free space, try to free cache 12655 * before giving up. 12656 */ 12657 if (!origin.staged && pkgLite.recommendedInstallLocation 12658 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12659 // TODO: focus freeing disk space on the target device 12660 final StorageManager storage = StorageManager.from(mContext); 12661 final long lowThreshold = storage.getStorageLowBytes( 12662 Environment.getDataDirectory()); 12663 12664 final long sizeBytes = mContainerService.calculateInstalledSize( 12665 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12666 12667 try { 12668 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12669 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12670 installFlags, packageAbiOverride); 12671 } catch (InstallerException e) { 12672 Slog.w(TAG, "Failed to free cache", e); 12673 } 12674 12675 /* 12676 * The cache free must have deleted the file we 12677 * downloaded to install. 12678 * 12679 * TODO: fix the "freeCache" call to not delete 12680 * the file we care about. 12681 */ 12682 if (pkgLite.recommendedInstallLocation 12683 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12684 pkgLite.recommendedInstallLocation 12685 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12686 } 12687 } 12688 } 12689 12690 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12691 int loc = pkgLite.recommendedInstallLocation; 12692 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12693 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12694 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12695 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12696 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12697 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12698 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12699 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12700 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12701 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12702 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12703 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12704 } else { 12705 // Override with defaults if needed. 12706 loc = installLocationPolicy(pkgLite); 12707 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12708 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12709 } else if (!onSd && !onInt) { 12710 // Override install location with flags 12711 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12712 // Set the flag to install on external media. 12713 installFlags |= PackageManager.INSTALL_EXTERNAL; 12714 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12715 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12716 if (DEBUG_EPHEMERAL) { 12717 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12718 } 12719 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12720 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12721 |PackageManager.INSTALL_INTERNAL); 12722 } else { 12723 // Make sure the flag for installing on external 12724 // media is unset 12725 installFlags |= PackageManager.INSTALL_INTERNAL; 12726 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12727 } 12728 } 12729 } 12730 } 12731 12732 final InstallArgs args = createInstallArgs(this); 12733 mArgs = args; 12734 12735 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12736 // TODO: http://b/22976637 12737 // Apps installed for "all" users use the device owner to verify the app 12738 UserHandle verifierUser = getUser(); 12739 if (verifierUser == UserHandle.ALL) { 12740 verifierUser = UserHandle.SYSTEM; 12741 } 12742 12743 /* 12744 * Determine if we have any installed package verifiers. If we 12745 * do, then we'll defer to them to verify the packages. 12746 */ 12747 final int requiredUid = mRequiredVerifierPackage == null ? -1 12748 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12749 verifierUser.getIdentifier()); 12750 if (!origin.existing && requiredUid != -1 12751 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12752 final Intent verification = new Intent( 12753 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12754 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12755 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12756 PACKAGE_MIME_TYPE); 12757 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12758 12759 // Query all live verifiers based on current user state 12760 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12761 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12762 12763 if (DEBUG_VERIFY) { 12764 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12765 + verification.toString() + " with " + pkgLite.verifiers.length 12766 + " optional verifiers"); 12767 } 12768 12769 final int verificationId = mPendingVerificationToken++; 12770 12771 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12772 12773 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12774 installerPackageName); 12775 12776 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12777 installFlags); 12778 12779 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12780 pkgLite.packageName); 12781 12782 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12783 pkgLite.versionCode); 12784 12785 if (verificationInfo != null) { 12786 if (verificationInfo.originatingUri != null) { 12787 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12788 verificationInfo.originatingUri); 12789 } 12790 if (verificationInfo.referrer != null) { 12791 verification.putExtra(Intent.EXTRA_REFERRER, 12792 verificationInfo.referrer); 12793 } 12794 if (verificationInfo.originatingUid >= 0) { 12795 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12796 verificationInfo.originatingUid); 12797 } 12798 if (verificationInfo.installerUid >= 0) { 12799 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12800 verificationInfo.installerUid); 12801 } 12802 } 12803 12804 final PackageVerificationState verificationState = new PackageVerificationState( 12805 requiredUid, args); 12806 12807 mPendingVerification.append(verificationId, verificationState); 12808 12809 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12810 receivers, verificationState); 12811 12812 /* 12813 * If any sufficient verifiers were listed in the package 12814 * manifest, attempt to ask them. 12815 */ 12816 if (sufficientVerifiers != null) { 12817 final int N = sufficientVerifiers.size(); 12818 if (N == 0) { 12819 Slog.i(TAG, "Additional verifiers required, but none installed."); 12820 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12821 } else { 12822 for (int i = 0; i < N; i++) { 12823 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12824 12825 final Intent sufficientIntent = new Intent(verification); 12826 sufficientIntent.setComponent(verifierComponent); 12827 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12828 } 12829 } 12830 } 12831 12832 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12833 mRequiredVerifierPackage, receivers); 12834 if (ret == PackageManager.INSTALL_SUCCEEDED 12835 && mRequiredVerifierPackage != null) { 12836 Trace.asyncTraceBegin( 12837 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12838 /* 12839 * Send the intent to the required verification agent, 12840 * but only start the verification timeout after the 12841 * target BroadcastReceivers have run. 12842 */ 12843 verification.setComponent(requiredVerifierComponent); 12844 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12845 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12846 new BroadcastReceiver() { 12847 @Override 12848 public void onReceive(Context context, Intent intent) { 12849 final Message msg = mHandler 12850 .obtainMessage(CHECK_PENDING_VERIFICATION); 12851 msg.arg1 = verificationId; 12852 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12853 } 12854 }, null, 0, null, null); 12855 12856 /* 12857 * We don't want the copy to proceed until verification 12858 * succeeds, so null out this field. 12859 */ 12860 mArgs = null; 12861 } 12862 } else { 12863 /* 12864 * No package verification is enabled, so immediately start 12865 * the remote call to initiate copy using temporary file. 12866 */ 12867 ret = args.copyApk(mContainerService, true); 12868 } 12869 } 12870 12871 mRet = ret; 12872 } 12873 12874 @Override 12875 void handleReturnCode() { 12876 // If mArgs is null, then MCS couldn't be reached. When it 12877 // reconnects, it will try again to install. At that point, this 12878 // will succeed. 12879 if (mArgs != null) { 12880 processPendingInstall(mArgs, mRet); 12881 } 12882 } 12883 12884 @Override 12885 void handleServiceError() { 12886 mArgs = createInstallArgs(this); 12887 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12888 } 12889 12890 public boolean isForwardLocked() { 12891 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12892 } 12893 } 12894 12895 /** 12896 * Used during creation of InstallArgs 12897 * 12898 * @param installFlags package installation flags 12899 * @return true if should be installed on external storage 12900 */ 12901 private static boolean installOnExternalAsec(int installFlags) { 12902 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12903 return false; 12904 } 12905 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12906 return true; 12907 } 12908 return false; 12909 } 12910 12911 /** 12912 * Used during creation of InstallArgs 12913 * 12914 * @param installFlags package installation flags 12915 * @return true if should be installed as forward locked 12916 */ 12917 private static boolean installForwardLocked(int installFlags) { 12918 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12919 } 12920 12921 private InstallArgs createInstallArgs(InstallParams params) { 12922 if (params.move != null) { 12923 return new MoveInstallArgs(params); 12924 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12925 return new AsecInstallArgs(params); 12926 } else { 12927 return new FileInstallArgs(params); 12928 } 12929 } 12930 12931 /** 12932 * Create args that describe an existing installed package. Typically used 12933 * when cleaning up old installs, or used as a move source. 12934 */ 12935 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12936 String resourcePath, String[] instructionSets) { 12937 final boolean isInAsec; 12938 if (installOnExternalAsec(installFlags)) { 12939 /* Apps on SD card are always in ASEC containers. */ 12940 isInAsec = true; 12941 } else if (installForwardLocked(installFlags) 12942 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12943 /* 12944 * Forward-locked apps are only in ASEC containers if they're the 12945 * new style 12946 */ 12947 isInAsec = true; 12948 } else { 12949 isInAsec = false; 12950 } 12951 12952 if (isInAsec) { 12953 return new AsecInstallArgs(codePath, instructionSets, 12954 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12955 } else { 12956 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12957 } 12958 } 12959 12960 static abstract class InstallArgs { 12961 /** @see InstallParams#origin */ 12962 final OriginInfo origin; 12963 /** @see InstallParams#move */ 12964 final MoveInfo move; 12965 12966 final IPackageInstallObserver2 observer; 12967 // Always refers to PackageManager flags only 12968 final int installFlags; 12969 final String installerPackageName; 12970 final String volumeUuid; 12971 final UserHandle user; 12972 final String abiOverride; 12973 final String[] installGrantPermissions; 12974 /** If non-null, drop an async trace when the install completes */ 12975 final String traceMethod; 12976 final int traceCookie; 12977 final Certificate[][] certificates; 12978 12979 // The list of instruction sets supported by this app. This is currently 12980 // only used during the rmdex() phase to clean up resources. We can get rid of this 12981 // if we move dex files under the common app path. 12982 /* nullable */ String[] instructionSets; 12983 12984 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12985 int installFlags, String installerPackageName, String volumeUuid, 12986 UserHandle user, String[] instructionSets, 12987 String abiOverride, String[] installGrantPermissions, 12988 String traceMethod, int traceCookie, Certificate[][] certificates) { 12989 this.origin = origin; 12990 this.move = move; 12991 this.installFlags = installFlags; 12992 this.observer = observer; 12993 this.installerPackageName = installerPackageName; 12994 this.volumeUuid = volumeUuid; 12995 this.user = user; 12996 this.instructionSets = instructionSets; 12997 this.abiOverride = abiOverride; 12998 this.installGrantPermissions = installGrantPermissions; 12999 this.traceMethod = traceMethod; 13000 this.traceCookie = traceCookie; 13001 this.certificates = certificates; 13002 } 13003 13004 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13005 abstract int doPreInstall(int status); 13006 13007 /** 13008 * Rename package into final resting place. All paths on the given 13009 * scanned package should be updated to reflect the rename. 13010 */ 13011 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13012 abstract int doPostInstall(int status, int uid); 13013 13014 /** @see PackageSettingBase#codePathString */ 13015 abstract String getCodePath(); 13016 /** @see PackageSettingBase#resourcePathString */ 13017 abstract String getResourcePath(); 13018 13019 // Need installer lock especially for dex file removal. 13020 abstract void cleanUpResourcesLI(); 13021 abstract boolean doPostDeleteLI(boolean delete); 13022 13023 /** 13024 * Called before the source arguments are copied. This is used mostly 13025 * for MoveParams when it needs to read the source file to put it in the 13026 * destination. 13027 */ 13028 int doPreCopy() { 13029 return PackageManager.INSTALL_SUCCEEDED; 13030 } 13031 13032 /** 13033 * Called after the source arguments are copied. This is used mostly for 13034 * MoveParams when it needs to read the source file to put it in the 13035 * destination. 13036 */ 13037 int doPostCopy(int uid) { 13038 return PackageManager.INSTALL_SUCCEEDED; 13039 } 13040 13041 protected boolean isFwdLocked() { 13042 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13043 } 13044 13045 protected boolean isExternalAsec() { 13046 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13047 } 13048 13049 protected boolean isEphemeral() { 13050 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13051 } 13052 13053 UserHandle getUser() { 13054 return user; 13055 } 13056 } 13057 13058 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13059 if (!allCodePaths.isEmpty()) { 13060 if (instructionSets == null) { 13061 throw new IllegalStateException("instructionSet == null"); 13062 } 13063 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13064 for (String codePath : allCodePaths) { 13065 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13066 try { 13067 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13068 } catch (InstallerException ignored) { 13069 } 13070 } 13071 } 13072 } 13073 } 13074 13075 /** 13076 * Logic to handle installation of non-ASEC applications, including copying 13077 * and renaming logic. 13078 */ 13079 class FileInstallArgs extends InstallArgs { 13080 private File codeFile; 13081 private File resourceFile; 13082 13083 // Example topology: 13084 // /data/app/com.example/base.apk 13085 // /data/app/com.example/split_foo.apk 13086 // /data/app/com.example/lib/arm/libfoo.so 13087 // /data/app/com.example/lib/arm64/libfoo.so 13088 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13089 13090 /** New install */ 13091 FileInstallArgs(InstallParams params) { 13092 super(params.origin, params.move, params.observer, params.installFlags, 13093 params.installerPackageName, params.volumeUuid, 13094 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13095 params.grantedRuntimePermissions, 13096 params.traceMethod, params.traceCookie, params.certificates); 13097 if (isFwdLocked()) { 13098 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13099 } 13100 } 13101 13102 /** Existing install */ 13103 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13104 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13105 null, null, null, 0, null /*certificates*/); 13106 this.codeFile = (codePath != null) ? new File(codePath) : null; 13107 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13108 } 13109 13110 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13111 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13112 try { 13113 return doCopyApk(imcs, temp); 13114 } finally { 13115 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13116 } 13117 } 13118 13119 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13120 if (origin.staged) { 13121 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13122 codeFile = origin.file; 13123 resourceFile = origin.file; 13124 return PackageManager.INSTALL_SUCCEEDED; 13125 } 13126 13127 try { 13128 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13129 final File tempDir = 13130 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13131 codeFile = tempDir; 13132 resourceFile = tempDir; 13133 } catch (IOException e) { 13134 Slog.w(TAG, "Failed to create copy file: " + e); 13135 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13136 } 13137 13138 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13139 @Override 13140 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13141 if (!FileUtils.isValidExtFilename(name)) { 13142 throw new IllegalArgumentException("Invalid filename: " + name); 13143 } 13144 try { 13145 final File file = new File(codeFile, name); 13146 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13147 O_RDWR | O_CREAT, 0644); 13148 Os.chmod(file.getAbsolutePath(), 0644); 13149 return new ParcelFileDescriptor(fd); 13150 } catch (ErrnoException e) { 13151 throw new RemoteException("Failed to open: " + e.getMessage()); 13152 } 13153 } 13154 }; 13155 13156 int ret = PackageManager.INSTALL_SUCCEEDED; 13157 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13158 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13159 Slog.e(TAG, "Failed to copy package"); 13160 return ret; 13161 } 13162 13163 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13164 NativeLibraryHelper.Handle handle = null; 13165 try { 13166 handle = NativeLibraryHelper.Handle.create(codeFile); 13167 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13168 abiOverride); 13169 } catch (IOException e) { 13170 Slog.e(TAG, "Copying native libraries failed", e); 13171 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13172 } finally { 13173 IoUtils.closeQuietly(handle); 13174 } 13175 13176 return ret; 13177 } 13178 13179 int doPreInstall(int status) { 13180 if (status != PackageManager.INSTALL_SUCCEEDED) { 13181 cleanUp(); 13182 } 13183 return status; 13184 } 13185 13186 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13187 if (status != PackageManager.INSTALL_SUCCEEDED) { 13188 cleanUp(); 13189 return false; 13190 } 13191 13192 final File targetDir = codeFile.getParentFile(); 13193 final File beforeCodeFile = codeFile; 13194 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13195 13196 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13197 try { 13198 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13199 } catch (ErrnoException e) { 13200 Slog.w(TAG, "Failed to rename", e); 13201 return false; 13202 } 13203 13204 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13205 Slog.w(TAG, "Failed to restorecon"); 13206 return false; 13207 } 13208 13209 // Reflect the rename internally 13210 codeFile = afterCodeFile; 13211 resourceFile = afterCodeFile; 13212 13213 // Reflect the rename in scanned details 13214 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13215 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13216 afterCodeFile, pkg.baseCodePath)); 13217 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13218 afterCodeFile, pkg.splitCodePaths)); 13219 13220 // Reflect the rename in app info 13221 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13222 pkg.setApplicationInfoCodePath(pkg.codePath); 13223 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13224 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13225 pkg.setApplicationInfoResourcePath(pkg.codePath); 13226 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13227 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13228 13229 return true; 13230 } 13231 13232 int doPostInstall(int status, int uid) { 13233 if (status != PackageManager.INSTALL_SUCCEEDED) { 13234 cleanUp(); 13235 } 13236 return status; 13237 } 13238 13239 @Override 13240 String getCodePath() { 13241 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13242 } 13243 13244 @Override 13245 String getResourcePath() { 13246 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13247 } 13248 13249 private boolean cleanUp() { 13250 if (codeFile == null || !codeFile.exists()) { 13251 return false; 13252 } 13253 13254 removeCodePathLI(codeFile); 13255 13256 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13257 resourceFile.delete(); 13258 } 13259 13260 return true; 13261 } 13262 13263 void cleanUpResourcesLI() { 13264 // Try enumerating all code paths before deleting 13265 List<String> allCodePaths = Collections.EMPTY_LIST; 13266 if (codeFile != null && codeFile.exists()) { 13267 try { 13268 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13269 allCodePaths = pkg.getAllCodePaths(); 13270 } catch (PackageParserException e) { 13271 // Ignored; we tried our best 13272 } 13273 } 13274 13275 cleanUp(); 13276 removeDexFiles(allCodePaths, instructionSets); 13277 } 13278 13279 boolean doPostDeleteLI(boolean delete) { 13280 // XXX err, shouldn't we respect the delete flag? 13281 cleanUpResourcesLI(); 13282 return true; 13283 } 13284 } 13285 13286 private boolean isAsecExternal(String cid) { 13287 final String asecPath = PackageHelper.getSdFilesystem(cid); 13288 return !asecPath.startsWith(mAsecInternalPath); 13289 } 13290 13291 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13292 PackageManagerException { 13293 if (copyRet < 0) { 13294 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13295 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13296 throw new PackageManagerException(copyRet, message); 13297 } 13298 } 13299 } 13300 13301 /** 13302 * Extract the MountService "container ID" from the full code path of an 13303 * .apk. 13304 */ 13305 static String cidFromCodePath(String fullCodePath) { 13306 int eidx = fullCodePath.lastIndexOf("/"); 13307 String subStr1 = fullCodePath.substring(0, eidx); 13308 int sidx = subStr1.lastIndexOf("/"); 13309 return subStr1.substring(sidx+1, eidx); 13310 } 13311 13312 /** 13313 * Logic to handle installation of ASEC applications, including copying and 13314 * renaming logic. 13315 */ 13316 class AsecInstallArgs extends InstallArgs { 13317 static final String RES_FILE_NAME = "pkg.apk"; 13318 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13319 13320 String cid; 13321 String packagePath; 13322 String resourcePath; 13323 13324 /** New install */ 13325 AsecInstallArgs(InstallParams params) { 13326 super(params.origin, params.move, params.observer, params.installFlags, 13327 params.installerPackageName, params.volumeUuid, 13328 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13329 params.grantedRuntimePermissions, 13330 params.traceMethod, params.traceCookie, params.certificates); 13331 } 13332 13333 /** Existing install */ 13334 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13335 boolean isExternal, boolean isForwardLocked) { 13336 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13337 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13338 instructionSets, null, null, null, 0, null /*certificates*/); 13339 // Hackily pretend we're still looking at a full code path 13340 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13341 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13342 } 13343 13344 // Extract cid from fullCodePath 13345 int eidx = fullCodePath.lastIndexOf("/"); 13346 String subStr1 = fullCodePath.substring(0, eidx); 13347 int sidx = subStr1.lastIndexOf("/"); 13348 cid = subStr1.substring(sidx+1, eidx); 13349 setMountPath(subStr1); 13350 } 13351 13352 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13353 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13354 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13355 instructionSets, null, null, null, 0, null /*certificates*/); 13356 this.cid = cid; 13357 setMountPath(PackageHelper.getSdDir(cid)); 13358 } 13359 13360 void createCopyFile() { 13361 cid = mInstallerService.allocateExternalStageCidLegacy(); 13362 } 13363 13364 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13365 if (origin.staged && origin.cid != null) { 13366 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13367 cid = origin.cid; 13368 setMountPath(PackageHelper.getSdDir(cid)); 13369 return PackageManager.INSTALL_SUCCEEDED; 13370 } 13371 13372 if (temp) { 13373 createCopyFile(); 13374 } else { 13375 /* 13376 * Pre-emptively destroy the container since it's destroyed if 13377 * copying fails due to it existing anyway. 13378 */ 13379 PackageHelper.destroySdDir(cid); 13380 } 13381 13382 final String newMountPath = imcs.copyPackageToContainer( 13383 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13384 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13385 13386 if (newMountPath != null) { 13387 setMountPath(newMountPath); 13388 return PackageManager.INSTALL_SUCCEEDED; 13389 } else { 13390 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13391 } 13392 } 13393 13394 @Override 13395 String getCodePath() { 13396 return packagePath; 13397 } 13398 13399 @Override 13400 String getResourcePath() { 13401 return resourcePath; 13402 } 13403 13404 int doPreInstall(int status) { 13405 if (status != PackageManager.INSTALL_SUCCEEDED) { 13406 // Destroy container 13407 PackageHelper.destroySdDir(cid); 13408 } else { 13409 boolean mounted = PackageHelper.isContainerMounted(cid); 13410 if (!mounted) { 13411 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13412 Process.SYSTEM_UID); 13413 if (newMountPath != null) { 13414 setMountPath(newMountPath); 13415 } else { 13416 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13417 } 13418 } 13419 } 13420 return status; 13421 } 13422 13423 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13424 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13425 String newMountPath = null; 13426 if (PackageHelper.isContainerMounted(cid)) { 13427 // Unmount the container 13428 if (!PackageHelper.unMountSdDir(cid)) { 13429 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13430 return false; 13431 } 13432 } 13433 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13434 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13435 " which might be stale. Will try to clean up."); 13436 // Clean up the stale container and proceed to recreate. 13437 if (!PackageHelper.destroySdDir(newCacheId)) { 13438 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13439 return false; 13440 } 13441 // Successfully cleaned up stale container. Try to rename again. 13442 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13443 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13444 + " inspite of cleaning it up."); 13445 return false; 13446 } 13447 } 13448 if (!PackageHelper.isContainerMounted(newCacheId)) { 13449 Slog.w(TAG, "Mounting container " + newCacheId); 13450 newMountPath = PackageHelper.mountSdDir(newCacheId, 13451 getEncryptKey(), Process.SYSTEM_UID); 13452 } else { 13453 newMountPath = PackageHelper.getSdDir(newCacheId); 13454 } 13455 if (newMountPath == null) { 13456 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13457 return false; 13458 } 13459 Log.i(TAG, "Succesfully renamed " + cid + 13460 " to " + newCacheId + 13461 " at new path: " + newMountPath); 13462 cid = newCacheId; 13463 13464 final File beforeCodeFile = new File(packagePath); 13465 setMountPath(newMountPath); 13466 final File afterCodeFile = new File(packagePath); 13467 13468 // Reflect the rename in scanned details 13469 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13470 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13471 afterCodeFile, pkg.baseCodePath)); 13472 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13473 afterCodeFile, pkg.splitCodePaths)); 13474 13475 // Reflect the rename in app info 13476 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13477 pkg.setApplicationInfoCodePath(pkg.codePath); 13478 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13479 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13480 pkg.setApplicationInfoResourcePath(pkg.codePath); 13481 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13482 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13483 13484 return true; 13485 } 13486 13487 private void setMountPath(String mountPath) { 13488 final File mountFile = new File(mountPath); 13489 13490 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13491 if (monolithicFile.exists()) { 13492 packagePath = monolithicFile.getAbsolutePath(); 13493 if (isFwdLocked()) { 13494 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13495 } else { 13496 resourcePath = packagePath; 13497 } 13498 } else { 13499 packagePath = mountFile.getAbsolutePath(); 13500 resourcePath = packagePath; 13501 } 13502 } 13503 13504 int doPostInstall(int status, int uid) { 13505 if (status != PackageManager.INSTALL_SUCCEEDED) { 13506 cleanUp(); 13507 } else { 13508 final int groupOwner; 13509 final String protectedFile; 13510 if (isFwdLocked()) { 13511 groupOwner = UserHandle.getSharedAppGid(uid); 13512 protectedFile = RES_FILE_NAME; 13513 } else { 13514 groupOwner = -1; 13515 protectedFile = null; 13516 } 13517 13518 if (uid < Process.FIRST_APPLICATION_UID 13519 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13520 Slog.e(TAG, "Failed to finalize " + cid); 13521 PackageHelper.destroySdDir(cid); 13522 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13523 } 13524 13525 boolean mounted = PackageHelper.isContainerMounted(cid); 13526 if (!mounted) { 13527 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13528 } 13529 } 13530 return status; 13531 } 13532 13533 private void cleanUp() { 13534 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13535 13536 // Destroy secure container 13537 PackageHelper.destroySdDir(cid); 13538 } 13539 13540 private List<String> getAllCodePaths() { 13541 final File codeFile = new File(getCodePath()); 13542 if (codeFile != null && codeFile.exists()) { 13543 try { 13544 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13545 return pkg.getAllCodePaths(); 13546 } catch (PackageParserException e) { 13547 // Ignored; we tried our best 13548 } 13549 } 13550 return Collections.EMPTY_LIST; 13551 } 13552 13553 void cleanUpResourcesLI() { 13554 // Enumerate all code paths before deleting 13555 cleanUpResourcesLI(getAllCodePaths()); 13556 } 13557 13558 private void cleanUpResourcesLI(List<String> allCodePaths) { 13559 cleanUp(); 13560 removeDexFiles(allCodePaths, instructionSets); 13561 } 13562 13563 String getPackageName() { 13564 return getAsecPackageName(cid); 13565 } 13566 13567 boolean doPostDeleteLI(boolean delete) { 13568 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13569 final List<String> allCodePaths = getAllCodePaths(); 13570 boolean mounted = PackageHelper.isContainerMounted(cid); 13571 if (mounted) { 13572 // Unmount first 13573 if (PackageHelper.unMountSdDir(cid)) { 13574 mounted = false; 13575 } 13576 } 13577 if (!mounted && delete) { 13578 cleanUpResourcesLI(allCodePaths); 13579 } 13580 return !mounted; 13581 } 13582 13583 @Override 13584 int doPreCopy() { 13585 if (isFwdLocked()) { 13586 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13587 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13588 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13589 } 13590 } 13591 13592 return PackageManager.INSTALL_SUCCEEDED; 13593 } 13594 13595 @Override 13596 int doPostCopy(int uid) { 13597 if (isFwdLocked()) { 13598 if (uid < Process.FIRST_APPLICATION_UID 13599 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13600 RES_FILE_NAME)) { 13601 Slog.e(TAG, "Failed to finalize " + cid); 13602 PackageHelper.destroySdDir(cid); 13603 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13604 } 13605 } 13606 13607 return PackageManager.INSTALL_SUCCEEDED; 13608 } 13609 } 13610 13611 /** 13612 * Logic to handle movement of existing installed applications. 13613 */ 13614 class MoveInstallArgs extends InstallArgs { 13615 private File codeFile; 13616 private File resourceFile; 13617 13618 /** New install */ 13619 MoveInstallArgs(InstallParams params) { 13620 super(params.origin, params.move, params.observer, params.installFlags, 13621 params.installerPackageName, params.volumeUuid, 13622 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13623 params.grantedRuntimePermissions, 13624 params.traceMethod, params.traceCookie, params.certificates); 13625 } 13626 13627 int copyApk(IMediaContainerService imcs, boolean temp) { 13628 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13629 + move.fromUuid + " to " + move.toUuid); 13630 synchronized (mInstaller) { 13631 try { 13632 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13633 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13634 } catch (InstallerException e) { 13635 Slog.w(TAG, "Failed to move app", e); 13636 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13637 } 13638 } 13639 13640 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13641 resourceFile = codeFile; 13642 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13643 13644 return PackageManager.INSTALL_SUCCEEDED; 13645 } 13646 13647 int doPreInstall(int status) { 13648 if (status != PackageManager.INSTALL_SUCCEEDED) { 13649 cleanUp(move.toUuid); 13650 } 13651 return status; 13652 } 13653 13654 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13655 if (status != PackageManager.INSTALL_SUCCEEDED) { 13656 cleanUp(move.toUuid); 13657 return false; 13658 } 13659 13660 // Reflect the move in app info 13661 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13662 pkg.setApplicationInfoCodePath(pkg.codePath); 13663 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13664 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13665 pkg.setApplicationInfoResourcePath(pkg.codePath); 13666 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13667 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13668 13669 return true; 13670 } 13671 13672 int doPostInstall(int status, int uid) { 13673 if (status == PackageManager.INSTALL_SUCCEEDED) { 13674 cleanUp(move.fromUuid); 13675 } else { 13676 cleanUp(move.toUuid); 13677 } 13678 return status; 13679 } 13680 13681 @Override 13682 String getCodePath() { 13683 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13684 } 13685 13686 @Override 13687 String getResourcePath() { 13688 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13689 } 13690 13691 private boolean cleanUp(String volumeUuid) { 13692 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13693 move.dataAppName); 13694 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13695 final int[] userIds = sUserManager.getUserIds(); 13696 synchronized (mInstallLock) { 13697 // Clean up both app data and code 13698 // All package moves are frozen until finished 13699 for (int userId : userIds) { 13700 try { 13701 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13702 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13703 } catch (InstallerException e) { 13704 Slog.w(TAG, String.valueOf(e)); 13705 } 13706 } 13707 removeCodePathLI(codeFile); 13708 } 13709 return true; 13710 } 13711 13712 void cleanUpResourcesLI() { 13713 throw new UnsupportedOperationException(); 13714 } 13715 13716 boolean doPostDeleteLI(boolean delete) { 13717 throw new UnsupportedOperationException(); 13718 } 13719 } 13720 13721 static String getAsecPackageName(String packageCid) { 13722 int idx = packageCid.lastIndexOf("-"); 13723 if (idx == -1) { 13724 return packageCid; 13725 } 13726 return packageCid.substring(0, idx); 13727 } 13728 13729 // Utility method used to create code paths based on package name and available index. 13730 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13731 String idxStr = ""; 13732 int idx = 1; 13733 // Fall back to default value of idx=1 if prefix is not 13734 // part of oldCodePath 13735 if (oldCodePath != null) { 13736 String subStr = oldCodePath; 13737 // Drop the suffix right away 13738 if (suffix != null && subStr.endsWith(suffix)) { 13739 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13740 } 13741 // If oldCodePath already contains prefix find out the 13742 // ending index to either increment or decrement. 13743 int sidx = subStr.lastIndexOf(prefix); 13744 if (sidx != -1) { 13745 subStr = subStr.substring(sidx + prefix.length()); 13746 if (subStr != null) { 13747 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13748 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13749 } 13750 try { 13751 idx = Integer.parseInt(subStr); 13752 if (idx <= 1) { 13753 idx++; 13754 } else { 13755 idx--; 13756 } 13757 } catch(NumberFormatException e) { 13758 } 13759 } 13760 } 13761 } 13762 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13763 return prefix + idxStr; 13764 } 13765 13766 private File getNextCodePath(File targetDir, String packageName) { 13767 int suffix = 1; 13768 File result; 13769 do { 13770 result = new File(targetDir, packageName + "-" + suffix); 13771 suffix++; 13772 } while (result.exists()); 13773 return result; 13774 } 13775 13776 // Utility method that returns the relative package path with respect 13777 // to the installation directory. Like say for /data/data/com.test-1.apk 13778 // string com.test-1 is returned. 13779 static String deriveCodePathName(String codePath) { 13780 if (codePath == null) { 13781 return null; 13782 } 13783 final File codeFile = new File(codePath); 13784 final String name = codeFile.getName(); 13785 if (codeFile.isDirectory()) { 13786 return name; 13787 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13788 final int lastDot = name.lastIndexOf('.'); 13789 return name.substring(0, lastDot); 13790 } else { 13791 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13792 return null; 13793 } 13794 } 13795 13796 static class PackageInstalledInfo { 13797 String name; 13798 int uid; 13799 // The set of users that originally had this package installed. 13800 int[] origUsers; 13801 // The set of users that now have this package installed. 13802 int[] newUsers; 13803 PackageParser.Package pkg; 13804 int returnCode; 13805 String returnMsg; 13806 PackageRemovedInfo removedInfo; 13807 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13808 13809 public void setError(int code, String msg) { 13810 setReturnCode(code); 13811 setReturnMessage(msg); 13812 Slog.w(TAG, msg); 13813 } 13814 13815 public void setError(String msg, PackageParserException e) { 13816 setReturnCode(e.error); 13817 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13818 Slog.w(TAG, msg, e); 13819 } 13820 13821 public void setError(String msg, PackageManagerException e) { 13822 returnCode = e.error; 13823 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13824 Slog.w(TAG, msg, e); 13825 } 13826 13827 public void setReturnCode(int returnCode) { 13828 this.returnCode = returnCode; 13829 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13830 for (int i = 0; i < childCount; i++) { 13831 addedChildPackages.valueAt(i).returnCode = returnCode; 13832 } 13833 } 13834 13835 private void setReturnMessage(String returnMsg) { 13836 this.returnMsg = returnMsg; 13837 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13838 for (int i = 0; i < childCount; i++) { 13839 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13840 } 13841 } 13842 13843 // In some error cases we want to convey more info back to the observer 13844 String origPackage; 13845 String origPermission; 13846 } 13847 13848 /* 13849 * Install a non-existing package. 13850 */ 13851 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13852 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13853 PackageInstalledInfo res) { 13854 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13855 13856 // Remember this for later, in case we need to rollback this install 13857 String pkgName = pkg.packageName; 13858 13859 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13860 13861 synchronized(mPackages) { 13862 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13863 // A package with the same name is already installed, though 13864 // it has been renamed to an older name. The package we 13865 // are trying to install should be installed as an update to 13866 // the existing one, but that has not been requested, so bail. 13867 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13868 + " without first uninstalling package running as " 13869 + mSettings.mRenamedPackages.get(pkgName)); 13870 return; 13871 } 13872 if (mPackages.containsKey(pkgName)) { 13873 // Don't allow installation over an existing package with the same name. 13874 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13875 + " without first uninstalling."); 13876 return; 13877 } 13878 } 13879 13880 try { 13881 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13882 System.currentTimeMillis(), user); 13883 13884 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13885 13886 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13887 prepareAppDataAfterInstallLIF(newPackage); 13888 13889 } else { 13890 // Remove package from internal structures, but keep around any 13891 // data that might have already existed 13892 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13893 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13894 } 13895 } catch (PackageManagerException e) { 13896 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13897 } 13898 13899 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13900 } 13901 13902 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13903 // Can't rotate keys during boot or if sharedUser. 13904 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13905 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13906 return false; 13907 } 13908 // app is using upgradeKeySets; make sure all are valid 13909 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13910 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13911 for (int i = 0; i < upgradeKeySets.length; i++) { 13912 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13913 Slog.wtf(TAG, "Package " 13914 + (oldPs.name != null ? oldPs.name : "<null>") 13915 + " contains upgrade-key-set reference to unknown key-set: " 13916 + upgradeKeySets[i] 13917 + " reverting to signatures check."); 13918 return false; 13919 } 13920 } 13921 return true; 13922 } 13923 13924 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13925 // Upgrade keysets are being used. Determine if new package has a superset of the 13926 // required keys. 13927 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13928 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13929 for (int i = 0; i < upgradeKeySets.length; i++) { 13930 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13931 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13932 return true; 13933 } 13934 } 13935 return false; 13936 } 13937 13938 private static void updateDigest(MessageDigest digest, File file) throws IOException { 13939 try (DigestInputStream digestStream = 13940 new DigestInputStream(new FileInputStream(file), digest)) { 13941 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 13942 } 13943 } 13944 13945 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 13946 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13947 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13948 13949 final PackageParser.Package oldPackage; 13950 final String pkgName = pkg.packageName; 13951 final int[] allUsers; 13952 final int[] installedUsers; 13953 13954 synchronized(mPackages) { 13955 oldPackage = mPackages.get(pkgName); 13956 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13957 13958 // don't allow upgrade to target a release SDK from a pre-release SDK 13959 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 13960 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13961 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 13962 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13963 if (oldTargetsPreRelease 13964 && !newTargetsPreRelease 13965 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 13966 Slog.w(TAG, "Can't install package targeting released sdk"); 13967 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 13968 return; 13969 } 13970 13971 // don't allow an upgrade from full to ephemeral 13972 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13973 if (isEphemeral && !oldIsEphemeral) { 13974 // can't downgrade from full to ephemeral 13975 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13976 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13977 return; 13978 } 13979 13980 // verify signatures are valid 13981 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13982 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13983 if (!checkUpgradeKeySetLP(ps, pkg)) { 13984 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13985 "New package not signed by keys specified by upgrade-keysets: " 13986 + pkgName); 13987 return; 13988 } 13989 } else { 13990 // default to original signature matching 13991 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13992 != PackageManager.SIGNATURE_MATCH) { 13993 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13994 "New package has a different signature: " + pkgName); 13995 return; 13996 } 13997 } 13998 13999 // don't allow a system upgrade unless the upgrade hash matches 14000 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14001 byte[] digestBytes = null; 14002 try { 14003 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14004 updateDigest(digest, new File(pkg.baseCodePath)); 14005 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14006 for (String path : pkg.splitCodePaths) { 14007 updateDigest(digest, new File(path)); 14008 } 14009 } 14010 digestBytes = digest.digest(); 14011 } catch (NoSuchAlgorithmException | IOException e) { 14012 res.setError(INSTALL_FAILED_INVALID_APK, 14013 "Could not compute hash: " + pkgName); 14014 return; 14015 } 14016 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14017 res.setError(INSTALL_FAILED_INVALID_APK, 14018 "New package fails restrict-update check: " + pkgName); 14019 return; 14020 } 14021 // retain upgrade restriction 14022 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14023 } 14024 14025 // Check for shared user id changes 14026 String invalidPackageName = 14027 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14028 if (invalidPackageName != null) { 14029 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14030 "Package " + invalidPackageName + " tried to change user " 14031 + oldPackage.mSharedUserId); 14032 return; 14033 } 14034 14035 // In case of rollback, remember per-user/profile install state 14036 allUsers = sUserManager.getUserIds(); 14037 installedUsers = ps.queryInstalledUsers(allUsers, true); 14038 } 14039 14040 // Update what is removed 14041 res.removedInfo = new PackageRemovedInfo(); 14042 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14043 res.removedInfo.removedPackage = oldPackage.packageName; 14044 res.removedInfo.isUpdate = true; 14045 res.removedInfo.origUsers = installedUsers; 14046 final int childCount = (oldPackage.childPackages != null) 14047 ? oldPackage.childPackages.size() : 0; 14048 for (int i = 0; i < childCount; i++) { 14049 boolean childPackageUpdated = false; 14050 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14051 if (res.addedChildPackages != null) { 14052 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14053 if (childRes != null) { 14054 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14055 childRes.removedInfo.removedPackage = childPkg.packageName; 14056 childRes.removedInfo.isUpdate = true; 14057 childPackageUpdated = true; 14058 } 14059 } 14060 if (!childPackageUpdated) { 14061 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14062 childRemovedRes.removedPackage = childPkg.packageName; 14063 childRemovedRes.isUpdate = false; 14064 childRemovedRes.dataRemoved = true; 14065 synchronized (mPackages) { 14066 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14067 if (childPs != null) { 14068 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14069 } 14070 } 14071 if (res.removedInfo.removedChildPackages == null) { 14072 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14073 } 14074 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14075 } 14076 } 14077 14078 boolean sysPkg = (isSystemApp(oldPackage)); 14079 if (sysPkg) { 14080 // Set the system/privileged flags as needed 14081 final boolean privileged = 14082 (oldPackage.applicationInfo.privateFlags 14083 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14084 final int systemPolicyFlags = policyFlags 14085 | PackageParser.PARSE_IS_SYSTEM 14086 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14087 14088 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14089 user, allUsers, installerPackageName, res); 14090 } else { 14091 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14092 user, allUsers, installerPackageName, res); 14093 } 14094 } 14095 14096 public List<String> getPreviousCodePaths(String packageName) { 14097 final PackageSetting ps = mSettings.mPackages.get(packageName); 14098 final List<String> result = new ArrayList<String>(); 14099 if (ps != null && ps.oldCodePaths != null) { 14100 result.addAll(ps.oldCodePaths); 14101 } 14102 return result; 14103 } 14104 14105 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14106 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14107 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14108 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14109 + deletedPackage); 14110 14111 String pkgName = deletedPackage.packageName; 14112 boolean deletedPkg = true; 14113 boolean addedPkg = false; 14114 boolean updatedSettings = false; 14115 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14116 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14117 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14118 14119 final long origUpdateTime = (pkg.mExtras != null) 14120 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14121 14122 // First delete the existing package while retaining the data directory 14123 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14124 res.removedInfo, true, pkg)) { 14125 // If the existing package wasn't successfully deleted 14126 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14127 deletedPkg = false; 14128 } else { 14129 // Successfully deleted the old package; proceed with replace. 14130 14131 // If deleted package lived in a container, give users a chance to 14132 // relinquish resources before killing. 14133 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14134 if (DEBUG_INSTALL) { 14135 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14136 } 14137 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14138 final ArrayList<String> pkgList = new ArrayList<String>(1); 14139 pkgList.add(deletedPackage.applicationInfo.packageName); 14140 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14141 } 14142 14143 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14144 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14145 clearAppProfilesLIF(pkg); 14146 14147 try { 14148 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14149 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14150 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14151 14152 // Update the in-memory copy of the previous code paths. 14153 PackageSetting ps = mSettings.mPackages.get(pkgName); 14154 if (!killApp) { 14155 if (ps.oldCodePaths == null) { 14156 ps.oldCodePaths = new ArraySet<>(); 14157 } 14158 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14159 if (deletedPackage.splitCodePaths != null) { 14160 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14161 } 14162 } else { 14163 ps.oldCodePaths = null; 14164 } 14165 if (ps.childPackageNames != null) { 14166 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14167 final String childPkgName = ps.childPackageNames.get(i); 14168 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14169 childPs.oldCodePaths = ps.oldCodePaths; 14170 } 14171 } 14172 prepareAppDataAfterInstallLIF(newPackage); 14173 addedPkg = true; 14174 } catch (PackageManagerException e) { 14175 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14176 } 14177 } 14178 14179 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14180 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14181 14182 // Revert all internal state mutations and added folders for the failed install 14183 if (addedPkg) { 14184 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14185 res.removedInfo, true, null); 14186 } 14187 14188 // Restore the old package 14189 if (deletedPkg) { 14190 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14191 File restoreFile = new File(deletedPackage.codePath); 14192 // Parse old package 14193 boolean oldExternal = isExternal(deletedPackage); 14194 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14195 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14196 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14197 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14198 try { 14199 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14200 null); 14201 } catch (PackageManagerException e) { 14202 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14203 + e.getMessage()); 14204 return; 14205 } 14206 14207 synchronized (mPackages) { 14208 // Ensure the installer package name up to date 14209 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14210 14211 // Update permissions for restored package 14212 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14213 14214 mSettings.writeLPr(); 14215 } 14216 14217 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14218 } 14219 } else { 14220 synchronized (mPackages) { 14221 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14222 if (ps != null) { 14223 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14224 if (res.removedInfo.removedChildPackages != null) { 14225 final int childCount = res.removedInfo.removedChildPackages.size(); 14226 // Iterate in reverse as we may modify the collection 14227 for (int i = childCount - 1; i >= 0; i--) { 14228 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14229 if (res.addedChildPackages.containsKey(childPackageName)) { 14230 res.removedInfo.removedChildPackages.removeAt(i); 14231 } else { 14232 PackageRemovedInfo childInfo = res.removedInfo 14233 .removedChildPackages.valueAt(i); 14234 childInfo.removedForAllUsers = mPackages.get( 14235 childInfo.removedPackage) == null; 14236 } 14237 } 14238 } 14239 } 14240 } 14241 } 14242 } 14243 14244 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14245 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14246 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14247 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14248 + ", old=" + deletedPackage); 14249 14250 final boolean disabledSystem; 14251 14252 // Remove existing system package 14253 removePackageLI(deletedPackage, true); 14254 14255 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14256 if (!disabledSystem) { 14257 // We didn't need to disable the .apk as a current system package, 14258 // which means we are replacing another update that is already 14259 // installed. We need to make sure to delete the older one's .apk. 14260 res.removedInfo.args = createInstallArgsForExisting(0, 14261 deletedPackage.applicationInfo.getCodePath(), 14262 deletedPackage.applicationInfo.getResourcePath(), 14263 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14264 } else { 14265 res.removedInfo.args = null; 14266 } 14267 14268 // Successfully disabled the old package. Now proceed with re-installation 14269 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14270 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14271 clearAppProfilesLIF(pkg); 14272 14273 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14274 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14275 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14276 14277 PackageParser.Package newPackage = null; 14278 try { 14279 // Add the package to the internal data structures 14280 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14281 14282 // Set the update and install times 14283 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14284 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14285 System.currentTimeMillis()); 14286 14287 // Update the package dynamic state if succeeded 14288 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14289 // Now that the install succeeded make sure we remove data 14290 // directories for any child package the update removed. 14291 final int deletedChildCount = (deletedPackage.childPackages != null) 14292 ? deletedPackage.childPackages.size() : 0; 14293 final int newChildCount = (newPackage.childPackages != null) 14294 ? newPackage.childPackages.size() : 0; 14295 for (int i = 0; i < deletedChildCount; i++) { 14296 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14297 boolean childPackageDeleted = true; 14298 for (int j = 0; j < newChildCount; j++) { 14299 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14300 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14301 childPackageDeleted = false; 14302 break; 14303 } 14304 } 14305 if (childPackageDeleted) { 14306 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14307 deletedChildPkg.packageName); 14308 if (ps != null && res.removedInfo.removedChildPackages != null) { 14309 PackageRemovedInfo removedChildRes = res.removedInfo 14310 .removedChildPackages.get(deletedChildPkg.packageName); 14311 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14312 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14313 } 14314 } 14315 } 14316 14317 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14318 prepareAppDataAfterInstallLIF(newPackage); 14319 } 14320 } catch (PackageManagerException e) { 14321 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14322 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14323 } 14324 14325 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14326 // Re installation failed. Restore old information 14327 // Remove new pkg information 14328 if (newPackage != null) { 14329 removeInstalledPackageLI(newPackage, true); 14330 } 14331 // Add back the old system package 14332 try { 14333 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14334 } catch (PackageManagerException e) { 14335 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14336 } 14337 14338 synchronized (mPackages) { 14339 if (disabledSystem) { 14340 enableSystemPackageLPw(deletedPackage); 14341 } 14342 14343 // Ensure the installer package name up to date 14344 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14345 14346 // Update permissions for restored package 14347 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14348 14349 mSettings.writeLPr(); 14350 } 14351 14352 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14353 + " after failed upgrade"); 14354 } 14355 } 14356 14357 /** 14358 * Checks whether the parent or any of the child packages have a change shared 14359 * user. For a package to be a valid update the shred users of the parent and 14360 * the children should match. We may later support changing child shared users. 14361 * @param oldPkg The updated package. 14362 * @param newPkg The update package. 14363 * @return The shared user that change between the versions. 14364 */ 14365 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14366 PackageParser.Package newPkg) { 14367 // Check parent shared user 14368 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14369 return newPkg.packageName; 14370 } 14371 // Check child shared users 14372 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14373 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14374 for (int i = 0; i < newChildCount; i++) { 14375 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14376 // If this child was present, did it have the same shared user? 14377 for (int j = 0; j < oldChildCount; j++) { 14378 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14379 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14380 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14381 return newChildPkg.packageName; 14382 } 14383 } 14384 } 14385 return null; 14386 } 14387 14388 private void removeNativeBinariesLI(PackageSetting ps) { 14389 // Remove the lib path for the parent package 14390 if (ps != null) { 14391 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14392 // Remove the lib path for the child packages 14393 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14394 for (int i = 0; i < childCount; i++) { 14395 PackageSetting childPs = null; 14396 synchronized (mPackages) { 14397 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14398 } 14399 if (childPs != null) { 14400 NativeLibraryHelper.removeNativeBinariesLI(childPs 14401 .legacyNativeLibraryPathString); 14402 } 14403 } 14404 } 14405 } 14406 14407 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14408 // Enable the parent package 14409 mSettings.enableSystemPackageLPw(pkg.packageName); 14410 // Enable the child packages 14411 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14412 for (int i = 0; i < childCount; i++) { 14413 PackageParser.Package childPkg = pkg.childPackages.get(i); 14414 mSettings.enableSystemPackageLPw(childPkg.packageName); 14415 } 14416 } 14417 14418 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14419 PackageParser.Package newPkg) { 14420 // Disable the parent package (parent always replaced) 14421 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14422 // Disable the child packages 14423 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14424 for (int i = 0; i < childCount; i++) { 14425 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14426 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14427 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14428 } 14429 return disabled; 14430 } 14431 14432 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14433 String installerPackageName) { 14434 // Enable the parent package 14435 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14436 // Enable the child packages 14437 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14438 for (int i = 0; i < childCount; i++) { 14439 PackageParser.Package childPkg = pkg.childPackages.get(i); 14440 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14441 } 14442 } 14443 14444 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14445 // Collect all used permissions in the UID 14446 ArraySet<String> usedPermissions = new ArraySet<>(); 14447 final int packageCount = su.packages.size(); 14448 for (int i = 0; i < packageCount; i++) { 14449 PackageSetting ps = su.packages.valueAt(i); 14450 if (ps.pkg == null) { 14451 continue; 14452 } 14453 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14454 for (int j = 0; j < requestedPermCount; j++) { 14455 String permission = ps.pkg.requestedPermissions.get(j); 14456 BasePermission bp = mSettings.mPermissions.get(permission); 14457 if (bp != null) { 14458 usedPermissions.add(permission); 14459 } 14460 } 14461 } 14462 14463 PermissionsState permissionsState = su.getPermissionsState(); 14464 // Prune install permissions 14465 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14466 final int installPermCount = installPermStates.size(); 14467 for (int i = installPermCount - 1; i >= 0; i--) { 14468 PermissionState permissionState = installPermStates.get(i); 14469 if (!usedPermissions.contains(permissionState.getName())) { 14470 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14471 if (bp != null) { 14472 permissionsState.revokeInstallPermission(bp); 14473 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14474 PackageManager.MASK_PERMISSION_FLAGS, 0); 14475 } 14476 } 14477 } 14478 14479 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14480 14481 // Prune runtime permissions 14482 for (int userId : allUserIds) { 14483 List<PermissionState> runtimePermStates = permissionsState 14484 .getRuntimePermissionStates(userId); 14485 final int runtimePermCount = runtimePermStates.size(); 14486 for (int i = runtimePermCount - 1; i >= 0; i--) { 14487 PermissionState permissionState = runtimePermStates.get(i); 14488 if (!usedPermissions.contains(permissionState.getName())) { 14489 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14490 if (bp != null) { 14491 permissionsState.revokeRuntimePermission(bp, userId); 14492 permissionsState.updatePermissionFlags(bp, userId, 14493 PackageManager.MASK_PERMISSION_FLAGS, 0); 14494 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14495 runtimePermissionChangedUserIds, userId); 14496 } 14497 } 14498 } 14499 } 14500 14501 return runtimePermissionChangedUserIds; 14502 } 14503 14504 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14505 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14506 // Update the parent package setting 14507 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14508 res, user); 14509 // Update the child packages setting 14510 final int childCount = (newPackage.childPackages != null) 14511 ? newPackage.childPackages.size() : 0; 14512 for (int i = 0; i < childCount; i++) { 14513 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14514 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14515 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14516 childRes.origUsers, childRes, user); 14517 } 14518 } 14519 14520 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14521 String installerPackageName, int[] allUsers, int[] installedForUsers, 14522 PackageInstalledInfo res, UserHandle user) { 14523 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14524 14525 String pkgName = newPackage.packageName; 14526 synchronized (mPackages) { 14527 //write settings. the installStatus will be incomplete at this stage. 14528 //note that the new package setting would have already been 14529 //added to mPackages. It hasn't been persisted yet. 14530 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14531 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14532 mSettings.writeLPr(); 14533 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14534 } 14535 14536 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14537 synchronized (mPackages) { 14538 updatePermissionsLPw(newPackage.packageName, newPackage, 14539 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14540 ? UPDATE_PERMISSIONS_ALL : 0)); 14541 // For system-bundled packages, we assume that installing an upgraded version 14542 // of the package implies that the user actually wants to run that new code, 14543 // so we enable the package. 14544 PackageSetting ps = mSettings.mPackages.get(pkgName); 14545 final int userId = user.getIdentifier(); 14546 if (ps != null) { 14547 if (isSystemApp(newPackage)) { 14548 if (DEBUG_INSTALL) { 14549 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14550 } 14551 // Enable system package for requested users 14552 if (res.origUsers != null) { 14553 for (int origUserId : res.origUsers) { 14554 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14555 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14556 origUserId, installerPackageName); 14557 } 14558 } 14559 } 14560 // Also convey the prior install/uninstall state 14561 if (allUsers != null && installedForUsers != null) { 14562 for (int currentUserId : allUsers) { 14563 final boolean installed = ArrayUtils.contains( 14564 installedForUsers, currentUserId); 14565 if (DEBUG_INSTALL) { 14566 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14567 } 14568 ps.setInstalled(installed, currentUserId); 14569 } 14570 // these install state changes will be persisted in the 14571 // upcoming call to mSettings.writeLPr(). 14572 } 14573 } 14574 // It's implied that when a user requests installation, they want the app to be 14575 // installed and enabled. 14576 if (userId != UserHandle.USER_ALL) { 14577 ps.setInstalled(true, userId); 14578 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14579 } 14580 } 14581 res.name = pkgName; 14582 res.uid = newPackage.applicationInfo.uid; 14583 res.pkg = newPackage; 14584 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14585 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14586 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14587 //to update install status 14588 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14589 mSettings.writeLPr(); 14590 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14591 } 14592 14593 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14594 } 14595 14596 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14597 try { 14598 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14599 installPackageLI(args, res); 14600 } finally { 14601 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14602 } 14603 } 14604 14605 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14606 final int installFlags = args.installFlags; 14607 final String installerPackageName = args.installerPackageName; 14608 final String volumeUuid = args.volumeUuid; 14609 final File tmpPackageFile = new File(args.getCodePath()); 14610 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14611 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14612 || (args.volumeUuid != null)); 14613 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14614 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14615 boolean replace = false; 14616 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14617 if (args.move != null) { 14618 // moving a complete application; perform an initial scan on the new install location 14619 scanFlags |= SCAN_INITIAL; 14620 } 14621 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14622 scanFlags |= SCAN_DONT_KILL_APP; 14623 } 14624 14625 // Result object to be returned 14626 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14627 14628 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14629 14630 // Sanity check 14631 if (ephemeral && (forwardLocked || onExternal)) { 14632 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14633 + " external=" + onExternal); 14634 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14635 return; 14636 } 14637 14638 // Retrieve PackageSettings and parse package 14639 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14640 | PackageParser.PARSE_ENFORCE_CODE 14641 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14642 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14643 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14644 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14645 PackageParser pp = new PackageParser(); 14646 pp.setSeparateProcesses(mSeparateProcesses); 14647 pp.setDisplayMetrics(mMetrics); 14648 14649 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14650 final PackageParser.Package pkg; 14651 try { 14652 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14653 } catch (PackageParserException e) { 14654 res.setError("Failed parse during installPackageLI", e); 14655 return; 14656 } finally { 14657 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14658 } 14659 14660 // If we are installing a clustered package add results for the children 14661 if (pkg.childPackages != null) { 14662 synchronized (mPackages) { 14663 final int childCount = pkg.childPackages.size(); 14664 for (int i = 0; i < childCount; i++) { 14665 PackageParser.Package childPkg = pkg.childPackages.get(i); 14666 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14667 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14668 childRes.pkg = childPkg; 14669 childRes.name = childPkg.packageName; 14670 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14671 if (childPs != null) { 14672 childRes.origUsers = childPs.queryInstalledUsers( 14673 sUserManager.getUserIds(), true); 14674 } 14675 if ((mPackages.containsKey(childPkg.packageName))) { 14676 childRes.removedInfo = new PackageRemovedInfo(); 14677 childRes.removedInfo.removedPackage = childPkg.packageName; 14678 } 14679 if (res.addedChildPackages == null) { 14680 res.addedChildPackages = new ArrayMap<>(); 14681 } 14682 res.addedChildPackages.put(childPkg.packageName, childRes); 14683 } 14684 } 14685 } 14686 14687 // If package doesn't declare API override, mark that we have an install 14688 // time CPU ABI override. 14689 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14690 pkg.cpuAbiOverride = args.abiOverride; 14691 } 14692 14693 String pkgName = res.name = pkg.packageName; 14694 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14695 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14696 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14697 return; 14698 } 14699 } 14700 14701 try { 14702 // either use what we've been given or parse directly from the APK 14703 if (args.certificates != null) { 14704 try { 14705 PackageParser.populateCertificates(pkg, args.certificates); 14706 } catch (PackageParserException e) { 14707 // there was something wrong with the certificates we were given; 14708 // try to pull them from the APK 14709 PackageParser.collectCertificates(pkg, parseFlags); 14710 } 14711 } else { 14712 PackageParser.collectCertificates(pkg, parseFlags); 14713 } 14714 } catch (PackageParserException e) { 14715 res.setError("Failed collect during installPackageLI", e); 14716 return; 14717 } 14718 14719 // Get rid of all references to package scan path via parser. 14720 pp = null; 14721 String oldCodePath = null; 14722 boolean systemApp = false; 14723 synchronized (mPackages) { 14724 // Check if installing already existing package 14725 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14726 String oldName = mSettings.mRenamedPackages.get(pkgName); 14727 if (pkg.mOriginalPackages != null 14728 && pkg.mOriginalPackages.contains(oldName) 14729 && mPackages.containsKey(oldName)) { 14730 // This package is derived from an original package, 14731 // and this device has been updating from that original 14732 // name. We must continue using the original name, so 14733 // rename the new package here. 14734 pkg.setPackageName(oldName); 14735 pkgName = pkg.packageName; 14736 replace = true; 14737 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14738 + oldName + " pkgName=" + pkgName); 14739 } else if (mPackages.containsKey(pkgName)) { 14740 // This package, under its official name, already exists 14741 // on the device; we should replace it. 14742 replace = true; 14743 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14744 } 14745 14746 // Child packages are installed through the parent package 14747 if (pkg.parentPackage != null) { 14748 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14749 "Package " + pkg.packageName + " is child of package " 14750 + pkg.parentPackage.parentPackage + ". Child packages " 14751 + "can be updated only through the parent package."); 14752 return; 14753 } 14754 14755 if (replace) { 14756 // Prevent apps opting out from runtime permissions 14757 PackageParser.Package oldPackage = mPackages.get(pkgName); 14758 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14759 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14760 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14761 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14762 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14763 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14764 + " doesn't support runtime permissions but the old" 14765 + " target SDK " + oldTargetSdk + " does."); 14766 return; 14767 } 14768 14769 // Prevent installing of child packages 14770 if (oldPackage.parentPackage != null) { 14771 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14772 "Package " + pkg.packageName + " is child of package " 14773 + oldPackage.parentPackage + ". Child packages " 14774 + "can be updated only through the parent package."); 14775 return; 14776 } 14777 } 14778 } 14779 14780 PackageSetting ps = mSettings.mPackages.get(pkgName); 14781 if (ps != null) { 14782 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14783 14784 // Quick sanity check that we're signed correctly if updating; 14785 // we'll check this again later when scanning, but we want to 14786 // bail early here before tripping over redefined permissions. 14787 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14788 if (!checkUpgradeKeySetLP(ps, pkg)) { 14789 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14790 + pkg.packageName + " upgrade keys do not match the " 14791 + "previously installed version"); 14792 return; 14793 } 14794 } else { 14795 try { 14796 verifySignaturesLP(ps, pkg); 14797 } catch (PackageManagerException e) { 14798 res.setError(e.error, e.getMessage()); 14799 return; 14800 } 14801 } 14802 14803 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14804 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14805 systemApp = (ps.pkg.applicationInfo.flags & 14806 ApplicationInfo.FLAG_SYSTEM) != 0; 14807 } 14808 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14809 } 14810 14811 // Check whether the newly-scanned package wants to define an already-defined perm 14812 int N = pkg.permissions.size(); 14813 for (int i = N-1; i >= 0; i--) { 14814 PackageParser.Permission perm = pkg.permissions.get(i); 14815 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14816 if (bp != null) { 14817 // If the defining package is signed with our cert, it's okay. This 14818 // also includes the "updating the same package" case, of course. 14819 // "updating same package" could also involve key-rotation. 14820 final boolean sigsOk; 14821 if (bp.sourcePackage.equals(pkg.packageName) 14822 && (bp.packageSetting instanceof PackageSetting) 14823 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14824 scanFlags))) { 14825 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14826 } else { 14827 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14828 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14829 } 14830 if (!sigsOk) { 14831 // If the owning package is the system itself, we log but allow 14832 // install to proceed; we fail the install on all other permission 14833 // redefinitions. 14834 if (!bp.sourcePackage.equals("android")) { 14835 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14836 + pkg.packageName + " attempting to redeclare permission " 14837 + perm.info.name + " already owned by " + bp.sourcePackage); 14838 res.origPermission = perm.info.name; 14839 res.origPackage = bp.sourcePackage; 14840 return; 14841 } else { 14842 Slog.w(TAG, "Package " + pkg.packageName 14843 + " attempting to redeclare system permission " 14844 + perm.info.name + "; ignoring new declaration"); 14845 pkg.permissions.remove(i); 14846 } 14847 } 14848 } 14849 } 14850 } 14851 14852 if (systemApp) { 14853 if (onExternal) { 14854 // Abort update; system app can't be replaced with app on sdcard 14855 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14856 "Cannot install updates to system apps on sdcard"); 14857 return; 14858 } else if (ephemeral) { 14859 // Abort update; system app can't be replaced with an ephemeral app 14860 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14861 "Cannot update a system app with an ephemeral app"); 14862 return; 14863 } 14864 } 14865 14866 if (args.move != null) { 14867 // We did an in-place move, so dex is ready to roll 14868 scanFlags |= SCAN_NO_DEX; 14869 scanFlags |= SCAN_MOVE; 14870 14871 synchronized (mPackages) { 14872 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14873 if (ps == null) { 14874 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14875 "Missing settings for moved package " + pkgName); 14876 } 14877 14878 // We moved the entire application as-is, so bring over the 14879 // previously derived ABI information. 14880 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14881 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14882 } 14883 14884 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14885 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14886 scanFlags |= SCAN_NO_DEX; 14887 14888 try { 14889 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14890 args.abiOverride : pkg.cpuAbiOverride); 14891 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14892 true /* extract libs */); 14893 } catch (PackageManagerException pme) { 14894 Slog.e(TAG, "Error deriving application ABI", pme); 14895 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14896 return; 14897 } 14898 14899 // Shared libraries for the package need to be updated. 14900 synchronized (mPackages) { 14901 try { 14902 updateSharedLibrariesLPw(pkg, null); 14903 } catch (PackageManagerException e) { 14904 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14905 } 14906 } 14907 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14908 // Do not run PackageDexOptimizer through the local performDexOpt 14909 // method because `pkg` is not in `mPackages` yet. 14910 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 14911 null /* instructionSets */, false /* checkProfiles */, 14912 getCompilerFilterForReason(REASON_INSTALL)); 14913 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14914 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14915 String msg = "Extracting package failed for " + pkgName; 14916 res.setError(INSTALL_FAILED_DEXOPT, msg); 14917 return; 14918 } 14919 14920 // Notify BackgroundDexOptService that the package has been changed. 14921 // If this is an update of a package which used to fail to compile, 14922 // BDOS will remove it from its blacklist. 14923 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14924 } 14925 14926 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14927 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14928 return; 14929 } 14930 14931 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14932 14933 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14934 "installPackageLI")) { 14935 if (replace) { 14936 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14937 installerPackageName, res); 14938 } else { 14939 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14940 args.user, installerPackageName, volumeUuid, res); 14941 } 14942 } 14943 synchronized (mPackages) { 14944 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14945 if (ps != null) { 14946 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14947 } 14948 14949 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14950 for (int i = 0; i < childCount; i++) { 14951 PackageParser.Package childPkg = pkg.childPackages.get(i); 14952 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14953 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14954 if (childPs != null) { 14955 childRes.newUsers = childPs.queryInstalledUsers( 14956 sUserManager.getUserIds(), true); 14957 } 14958 } 14959 } 14960 } 14961 14962 private void startIntentFilterVerifications(int userId, boolean replacing, 14963 PackageParser.Package pkg) { 14964 if (mIntentFilterVerifierComponent == null) { 14965 Slog.w(TAG, "No IntentFilter verification will not be done as " 14966 + "there is no IntentFilterVerifier available!"); 14967 return; 14968 } 14969 14970 final int verifierUid = getPackageUid( 14971 mIntentFilterVerifierComponent.getPackageName(), 14972 MATCH_DEBUG_TRIAGED_MISSING, 14973 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14974 14975 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14976 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14977 mHandler.sendMessage(msg); 14978 14979 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14980 for (int i = 0; i < childCount; i++) { 14981 PackageParser.Package childPkg = pkg.childPackages.get(i); 14982 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14983 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14984 mHandler.sendMessage(msg); 14985 } 14986 } 14987 14988 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14989 PackageParser.Package pkg) { 14990 int size = pkg.activities.size(); 14991 if (size == 0) { 14992 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14993 "No activity, so no need to verify any IntentFilter!"); 14994 return; 14995 } 14996 14997 final boolean hasDomainURLs = hasDomainURLs(pkg); 14998 if (!hasDomainURLs) { 14999 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15000 "No domain URLs, so no need to verify any IntentFilter!"); 15001 return; 15002 } 15003 15004 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15005 + " if any IntentFilter from the " + size 15006 + " Activities needs verification ..."); 15007 15008 int count = 0; 15009 final String packageName = pkg.packageName; 15010 15011 synchronized (mPackages) { 15012 // If this is a new install and we see that we've already run verification for this 15013 // package, we have nothing to do: it means the state was restored from backup. 15014 if (!replacing) { 15015 IntentFilterVerificationInfo ivi = 15016 mSettings.getIntentFilterVerificationLPr(packageName); 15017 if (ivi != null) { 15018 if (DEBUG_DOMAIN_VERIFICATION) { 15019 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15020 + ivi.getStatusString()); 15021 } 15022 return; 15023 } 15024 } 15025 15026 // If any filters need to be verified, then all need to be. 15027 boolean needToVerify = false; 15028 for (PackageParser.Activity a : pkg.activities) { 15029 for (ActivityIntentInfo filter : a.intents) { 15030 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15031 if (DEBUG_DOMAIN_VERIFICATION) { 15032 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15033 } 15034 needToVerify = true; 15035 break; 15036 } 15037 } 15038 } 15039 15040 if (needToVerify) { 15041 final int verificationId = mIntentFilterVerificationToken++; 15042 for (PackageParser.Activity a : pkg.activities) { 15043 for (ActivityIntentInfo filter : a.intents) { 15044 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15045 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15046 "Verification needed for IntentFilter:" + filter.toString()); 15047 mIntentFilterVerifier.addOneIntentFilterVerification( 15048 verifierUid, userId, verificationId, filter, packageName); 15049 count++; 15050 } 15051 } 15052 } 15053 } 15054 } 15055 15056 if (count > 0) { 15057 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15058 + " IntentFilter verification" + (count > 1 ? "s" : "") 15059 + " for userId:" + userId); 15060 mIntentFilterVerifier.startVerifications(userId); 15061 } else { 15062 if (DEBUG_DOMAIN_VERIFICATION) { 15063 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15064 } 15065 } 15066 } 15067 15068 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15069 final ComponentName cn = filter.activity.getComponentName(); 15070 final String packageName = cn.getPackageName(); 15071 15072 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15073 packageName); 15074 if (ivi == null) { 15075 return true; 15076 } 15077 int status = ivi.getStatus(); 15078 switch (status) { 15079 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15080 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15081 return true; 15082 15083 default: 15084 // Nothing to do 15085 return false; 15086 } 15087 } 15088 15089 private static boolean isMultiArch(ApplicationInfo info) { 15090 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15091 } 15092 15093 private static boolean isExternal(PackageParser.Package pkg) { 15094 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15095 } 15096 15097 private static boolean isExternal(PackageSetting ps) { 15098 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15099 } 15100 15101 private static boolean isEphemeral(PackageParser.Package pkg) { 15102 return pkg.applicationInfo.isEphemeralApp(); 15103 } 15104 15105 private static boolean isEphemeral(PackageSetting ps) { 15106 return ps.pkg != null && isEphemeral(ps.pkg); 15107 } 15108 15109 private static boolean isSystemApp(PackageParser.Package pkg) { 15110 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15111 } 15112 15113 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15114 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15115 } 15116 15117 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15118 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15119 } 15120 15121 private static boolean isSystemApp(PackageSetting ps) { 15122 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15123 } 15124 15125 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15126 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15127 } 15128 15129 private int packageFlagsToInstallFlags(PackageSetting ps) { 15130 int installFlags = 0; 15131 if (isEphemeral(ps)) { 15132 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15133 } 15134 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15135 // This existing package was an external ASEC install when we have 15136 // the external flag without a UUID 15137 installFlags |= PackageManager.INSTALL_EXTERNAL; 15138 } 15139 if (ps.isForwardLocked()) { 15140 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15141 } 15142 return installFlags; 15143 } 15144 15145 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15146 if (isExternal(pkg)) { 15147 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15148 return StorageManager.UUID_PRIMARY_PHYSICAL; 15149 } else { 15150 return pkg.volumeUuid; 15151 } 15152 } else { 15153 return StorageManager.UUID_PRIVATE_INTERNAL; 15154 } 15155 } 15156 15157 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15158 if (isExternal(pkg)) { 15159 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15160 return mSettings.getExternalVersion(); 15161 } else { 15162 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15163 } 15164 } else { 15165 return mSettings.getInternalVersion(); 15166 } 15167 } 15168 15169 private void deleteTempPackageFiles() { 15170 final FilenameFilter filter = new FilenameFilter() { 15171 public boolean accept(File dir, String name) { 15172 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15173 } 15174 }; 15175 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15176 file.delete(); 15177 } 15178 } 15179 15180 @Override 15181 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15182 int flags) { 15183 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15184 flags); 15185 } 15186 15187 @Override 15188 public void deletePackage(final String packageName, 15189 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15190 mContext.enforceCallingOrSelfPermission( 15191 android.Manifest.permission.DELETE_PACKAGES, null); 15192 Preconditions.checkNotNull(packageName); 15193 Preconditions.checkNotNull(observer); 15194 final int uid = Binder.getCallingUid(); 15195 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15196 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15197 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15198 mContext.enforceCallingOrSelfPermission( 15199 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15200 "deletePackage for user " + userId); 15201 } 15202 15203 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15204 try { 15205 observer.onPackageDeleted(packageName, 15206 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15207 } catch (RemoteException re) { 15208 } 15209 return; 15210 } 15211 15212 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15213 try { 15214 observer.onPackageDeleted(packageName, 15215 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15216 } catch (RemoteException re) { 15217 } 15218 return; 15219 } 15220 15221 if (DEBUG_REMOVE) { 15222 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15223 + " deleteAllUsers: " + deleteAllUsers ); 15224 } 15225 // Queue up an async operation since the package deletion may take a little while. 15226 mHandler.post(new Runnable() { 15227 public void run() { 15228 mHandler.removeCallbacks(this); 15229 int returnCode; 15230 if (!deleteAllUsers) { 15231 returnCode = deletePackageX(packageName, userId, deleteFlags); 15232 } else { 15233 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15234 // If nobody is blocking uninstall, proceed with delete for all users 15235 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15236 returnCode = deletePackageX(packageName, userId, deleteFlags); 15237 } else { 15238 // Otherwise uninstall individually for users with blockUninstalls=false 15239 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15240 for (int userId : users) { 15241 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15242 returnCode = deletePackageX(packageName, userId, userFlags); 15243 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15244 Slog.w(TAG, "Package delete failed for user " + userId 15245 + ", returnCode " + returnCode); 15246 } 15247 } 15248 } 15249 // The app has only been marked uninstalled for certain users. 15250 // We still need to report that delete was blocked 15251 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15252 } 15253 } 15254 try { 15255 observer.onPackageDeleted(packageName, returnCode, null); 15256 } catch (RemoteException e) { 15257 Log.i(TAG, "Observer no longer exists."); 15258 } //end catch 15259 } //end run 15260 }); 15261 } 15262 15263 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15264 int[] result = EMPTY_INT_ARRAY; 15265 for (int userId : userIds) { 15266 if (getBlockUninstallForUser(packageName, userId)) { 15267 result = ArrayUtils.appendInt(result, userId); 15268 } 15269 } 15270 return result; 15271 } 15272 15273 @Override 15274 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15275 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15276 } 15277 15278 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15279 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15280 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15281 try { 15282 if (dpm != null) { 15283 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15284 /* callingUserOnly =*/ false); 15285 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15286 : deviceOwnerComponentName.getPackageName(); 15287 // Does the package contains the device owner? 15288 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15289 // this check is probably not needed, since DO should be registered as a device 15290 // admin on some user too. (Original bug for this: b/17657954) 15291 if (packageName.equals(deviceOwnerPackageName)) { 15292 return true; 15293 } 15294 // Does it contain a device admin for any user? 15295 int[] users; 15296 if (userId == UserHandle.USER_ALL) { 15297 users = sUserManager.getUserIds(); 15298 } else { 15299 users = new int[]{userId}; 15300 } 15301 for (int i = 0; i < users.length; ++i) { 15302 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15303 return true; 15304 } 15305 } 15306 } 15307 } catch (RemoteException e) { 15308 } 15309 return false; 15310 } 15311 15312 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15313 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15314 } 15315 15316 /** 15317 * This method is an internal method that could be get invoked either 15318 * to delete an installed package or to clean up a failed installation. 15319 * After deleting an installed package, a broadcast is sent to notify any 15320 * listeners that the package has been removed. For cleaning up a failed 15321 * installation, the broadcast is not necessary since the package's 15322 * installation wouldn't have sent the initial broadcast either 15323 * The key steps in deleting a package are 15324 * deleting the package information in internal structures like mPackages, 15325 * deleting the packages base directories through installd 15326 * updating mSettings to reflect current status 15327 * persisting settings for later use 15328 * sending a broadcast if necessary 15329 */ 15330 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15331 final PackageRemovedInfo info = new PackageRemovedInfo(); 15332 final boolean res; 15333 15334 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15335 ? UserHandle.ALL : new UserHandle(userId); 15336 15337 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15338 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15339 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15340 } 15341 15342 PackageSetting uninstalledPs = null; 15343 15344 // for the uninstall-updates case and restricted profiles, remember the per- 15345 // user handle installed state 15346 int[] allUsers; 15347 synchronized (mPackages) { 15348 uninstalledPs = mSettings.mPackages.get(packageName); 15349 if (uninstalledPs == null) { 15350 Slog.w(TAG, "Not removing non-existent package " + packageName); 15351 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15352 } 15353 allUsers = sUserManager.getUserIds(); 15354 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15355 } 15356 15357 synchronized (mInstallLock) { 15358 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15359 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15360 "deletePackageX")) { 15361 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15362 deleteFlags | REMOVE_CHATTY, info, true, null); 15363 } 15364 synchronized (mPackages) { 15365 if (res) { 15366 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15367 } 15368 } 15369 } 15370 15371 if (res) { 15372 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15373 info.sendPackageRemovedBroadcasts(killApp); 15374 info.sendSystemPackageUpdatedBroadcasts(); 15375 info.sendSystemPackageAppearedBroadcasts(); 15376 } 15377 // Force a gc here. 15378 Runtime.getRuntime().gc(); 15379 // Delete the resources here after sending the broadcast to let 15380 // other processes clean up before deleting resources. 15381 if (info.args != null) { 15382 synchronized (mInstallLock) { 15383 info.args.doPostDeleteLI(true); 15384 } 15385 } 15386 15387 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15388 } 15389 15390 class PackageRemovedInfo { 15391 String removedPackage; 15392 int uid = -1; 15393 int removedAppId = -1; 15394 int[] origUsers; 15395 int[] removedUsers = null; 15396 boolean isRemovedPackageSystemUpdate = false; 15397 boolean isUpdate; 15398 boolean dataRemoved; 15399 boolean removedForAllUsers; 15400 // Clean up resources deleted packages. 15401 InstallArgs args = null; 15402 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15403 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15404 15405 void sendPackageRemovedBroadcasts(boolean killApp) { 15406 sendPackageRemovedBroadcastInternal(killApp); 15407 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15408 for (int i = 0; i < childCount; i++) { 15409 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15410 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15411 } 15412 } 15413 15414 void sendSystemPackageUpdatedBroadcasts() { 15415 if (isRemovedPackageSystemUpdate) { 15416 sendSystemPackageUpdatedBroadcastsInternal(); 15417 final int childCount = (removedChildPackages != null) 15418 ? removedChildPackages.size() : 0; 15419 for (int i = 0; i < childCount; i++) { 15420 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15421 if (childInfo.isRemovedPackageSystemUpdate) { 15422 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15423 } 15424 } 15425 } 15426 } 15427 15428 void sendSystemPackageAppearedBroadcasts() { 15429 final int packageCount = (appearedChildPackages != null) 15430 ? appearedChildPackages.size() : 0; 15431 for (int i = 0; i < packageCount; i++) { 15432 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15433 for (int userId : installedInfo.newUsers) { 15434 sendPackageAddedForUser(installedInfo.name, true, 15435 UserHandle.getAppId(installedInfo.uid), userId); 15436 } 15437 } 15438 } 15439 15440 private void sendSystemPackageUpdatedBroadcastsInternal() { 15441 Bundle extras = new Bundle(2); 15442 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15443 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15444 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15445 extras, 0, null, null, null); 15446 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15447 extras, 0, null, null, null); 15448 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15449 null, 0, removedPackage, null, null); 15450 } 15451 15452 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15453 Bundle extras = new Bundle(2); 15454 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15455 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15456 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15457 if (isUpdate || isRemovedPackageSystemUpdate) { 15458 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15459 } 15460 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15461 if (removedPackage != null) { 15462 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15463 extras, 0, null, null, removedUsers); 15464 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15465 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15466 removedPackage, extras, 0, null, null, removedUsers); 15467 } 15468 } 15469 if (removedAppId >= 0) { 15470 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15471 removedUsers); 15472 } 15473 } 15474 } 15475 15476 /* 15477 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15478 * flag is not set, the data directory is removed as well. 15479 * make sure this flag is set for partially installed apps. If not its meaningless to 15480 * delete a partially installed application. 15481 */ 15482 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15483 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15484 String packageName = ps.name; 15485 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15486 // Retrieve object to delete permissions for shared user later on 15487 final PackageParser.Package deletedPkg; 15488 final PackageSetting deletedPs; 15489 // reader 15490 synchronized (mPackages) { 15491 deletedPkg = mPackages.get(packageName); 15492 deletedPs = mSettings.mPackages.get(packageName); 15493 if (outInfo != null) { 15494 outInfo.removedPackage = packageName; 15495 outInfo.removedUsers = deletedPs != null 15496 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15497 : null; 15498 } 15499 } 15500 15501 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15502 15503 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15504 final PackageParser.Package resolvedPkg; 15505 if (deletedPkg != null) { 15506 resolvedPkg = deletedPkg; 15507 } else { 15508 // We don't have a parsed package when it lives on an ejected 15509 // adopted storage device, so fake something together 15510 resolvedPkg = new PackageParser.Package(ps.name); 15511 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15512 } 15513 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15514 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15515 destroyAppProfilesLIF(resolvedPkg); 15516 if (outInfo != null) { 15517 outInfo.dataRemoved = true; 15518 } 15519 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15520 } 15521 15522 // writer 15523 synchronized (mPackages) { 15524 if (deletedPs != null) { 15525 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15526 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15527 clearDefaultBrowserIfNeeded(packageName); 15528 if (outInfo != null) { 15529 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15530 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15531 } 15532 updatePermissionsLPw(deletedPs.name, null, 0); 15533 if (deletedPs.sharedUser != null) { 15534 // Remove permissions associated with package. Since runtime 15535 // permissions are per user we have to kill the removed package 15536 // or packages running under the shared user of the removed 15537 // package if revoking the permissions requested only by the removed 15538 // package is successful and this causes a change in gids. 15539 for (int userId : UserManagerService.getInstance().getUserIds()) { 15540 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15541 userId); 15542 if (userIdToKill == UserHandle.USER_ALL 15543 || userIdToKill >= UserHandle.USER_SYSTEM) { 15544 // If gids changed for this user, kill all affected packages. 15545 mHandler.post(new Runnable() { 15546 @Override 15547 public void run() { 15548 // This has to happen with no lock held. 15549 killApplication(deletedPs.name, deletedPs.appId, 15550 KILL_APP_REASON_GIDS_CHANGED); 15551 } 15552 }); 15553 break; 15554 } 15555 } 15556 } 15557 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15558 } 15559 // make sure to preserve per-user disabled state if this removal was just 15560 // a downgrade of a system app to the factory package 15561 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15562 if (DEBUG_REMOVE) { 15563 Slog.d(TAG, "Propagating install state across downgrade"); 15564 } 15565 for (int userId : allUserHandles) { 15566 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15567 if (DEBUG_REMOVE) { 15568 Slog.d(TAG, " user " + userId + " => " + installed); 15569 } 15570 ps.setInstalled(installed, userId); 15571 } 15572 } 15573 } 15574 // can downgrade to reader 15575 if (writeSettings) { 15576 // Save settings now 15577 mSettings.writeLPr(); 15578 } 15579 } 15580 if (outInfo != null) { 15581 // A user ID was deleted here. Go through all users and remove it 15582 // from KeyStore. 15583 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15584 } 15585 } 15586 15587 static boolean locationIsPrivileged(File path) { 15588 try { 15589 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15590 .getCanonicalPath(); 15591 return path.getCanonicalPath().startsWith(privilegedAppDir); 15592 } catch (IOException e) { 15593 Slog.e(TAG, "Unable to access code path " + path); 15594 } 15595 return false; 15596 } 15597 15598 /* 15599 * Tries to delete system package. 15600 */ 15601 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15602 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15603 boolean writeSettings) { 15604 if (deletedPs.parentPackageName != null) { 15605 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15606 return false; 15607 } 15608 15609 final boolean applyUserRestrictions 15610 = (allUserHandles != null) && (outInfo.origUsers != null); 15611 final PackageSetting disabledPs; 15612 // Confirm if the system package has been updated 15613 // An updated system app can be deleted. This will also have to restore 15614 // the system pkg from system partition 15615 // reader 15616 synchronized (mPackages) { 15617 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15618 } 15619 15620 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15621 + " disabledPs=" + disabledPs); 15622 15623 if (disabledPs == null) { 15624 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15625 return false; 15626 } else if (DEBUG_REMOVE) { 15627 Slog.d(TAG, "Deleting system pkg from data partition"); 15628 } 15629 15630 if (DEBUG_REMOVE) { 15631 if (applyUserRestrictions) { 15632 Slog.d(TAG, "Remembering install states:"); 15633 for (int userId : allUserHandles) { 15634 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15635 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15636 } 15637 } 15638 } 15639 15640 // Delete the updated package 15641 outInfo.isRemovedPackageSystemUpdate = true; 15642 if (outInfo.removedChildPackages != null) { 15643 final int childCount = (deletedPs.childPackageNames != null) 15644 ? deletedPs.childPackageNames.size() : 0; 15645 for (int i = 0; i < childCount; i++) { 15646 String childPackageName = deletedPs.childPackageNames.get(i); 15647 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15648 .contains(childPackageName)) { 15649 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15650 childPackageName); 15651 if (childInfo != null) { 15652 childInfo.isRemovedPackageSystemUpdate = true; 15653 } 15654 } 15655 } 15656 } 15657 15658 if (disabledPs.versionCode < deletedPs.versionCode) { 15659 // Delete data for downgrades 15660 flags &= ~PackageManager.DELETE_KEEP_DATA; 15661 } else { 15662 // Preserve data by setting flag 15663 flags |= PackageManager.DELETE_KEEP_DATA; 15664 } 15665 15666 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15667 outInfo, writeSettings, disabledPs.pkg); 15668 if (!ret) { 15669 return false; 15670 } 15671 15672 // writer 15673 synchronized (mPackages) { 15674 // Reinstate the old system package 15675 enableSystemPackageLPw(disabledPs.pkg); 15676 // Remove any native libraries from the upgraded package. 15677 removeNativeBinariesLI(deletedPs); 15678 } 15679 15680 // Install the system package 15681 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15682 int parseFlags = mDefParseFlags 15683 | PackageParser.PARSE_MUST_BE_APK 15684 | PackageParser.PARSE_IS_SYSTEM 15685 | PackageParser.PARSE_IS_SYSTEM_DIR; 15686 if (locationIsPrivileged(disabledPs.codePath)) { 15687 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15688 } 15689 15690 final PackageParser.Package newPkg; 15691 try { 15692 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15693 } catch (PackageManagerException e) { 15694 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15695 + e.getMessage()); 15696 return false; 15697 } 15698 15699 prepareAppDataAfterInstallLIF(newPkg); 15700 15701 // writer 15702 synchronized (mPackages) { 15703 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15704 15705 // Propagate the permissions state as we do not want to drop on the floor 15706 // runtime permissions. The update permissions method below will take 15707 // care of removing obsolete permissions and grant install permissions. 15708 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15709 updatePermissionsLPw(newPkg.packageName, newPkg, 15710 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15711 15712 if (applyUserRestrictions) { 15713 if (DEBUG_REMOVE) { 15714 Slog.d(TAG, "Propagating install state across reinstall"); 15715 } 15716 for (int userId : allUserHandles) { 15717 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15718 if (DEBUG_REMOVE) { 15719 Slog.d(TAG, " user " + userId + " => " + installed); 15720 } 15721 ps.setInstalled(installed, userId); 15722 15723 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15724 } 15725 // Regardless of writeSettings we need to ensure that this restriction 15726 // state propagation is persisted 15727 mSettings.writeAllUsersPackageRestrictionsLPr(); 15728 } 15729 // can downgrade to reader here 15730 if (writeSettings) { 15731 mSettings.writeLPr(); 15732 } 15733 } 15734 return true; 15735 } 15736 15737 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15738 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15739 PackageRemovedInfo outInfo, boolean writeSettings, 15740 PackageParser.Package replacingPackage) { 15741 synchronized (mPackages) { 15742 if (outInfo != null) { 15743 outInfo.uid = ps.appId; 15744 } 15745 15746 if (outInfo != null && outInfo.removedChildPackages != null) { 15747 final int childCount = (ps.childPackageNames != null) 15748 ? ps.childPackageNames.size() : 0; 15749 for (int i = 0; i < childCount; i++) { 15750 String childPackageName = ps.childPackageNames.get(i); 15751 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15752 if (childPs == null) { 15753 return false; 15754 } 15755 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15756 childPackageName); 15757 if (childInfo != null) { 15758 childInfo.uid = childPs.appId; 15759 } 15760 } 15761 } 15762 } 15763 15764 // Delete package data from internal structures and also remove data if flag is set 15765 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15766 15767 // Delete the child packages data 15768 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15769 for (int i = 0; i < childCount; i++) { 15770 PackageSetting childPs; 15771 synchronized (mPackages) { 15772 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15773 } 15774 if (childPs != null) { 15775 PackageRemovedInfo childOutInfo = (outInfo != null 15776 && outInfo.removedChildPackages != null) 15777 ? outInfo.removedChildPackages.get(childPs.name) : null; 15778 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15779 && (replacingPackage != null 15780 && !replacingPackage.hasChildPackage(childPs.name)) 15781 ? flags & ~DELETE_KEEP_DATA : flags; 15782 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15783 deleteFlags, writeSettings); 15784 } 15785 } 15786 15787 // Delete application code and resources only for parent packages 15788 if (ps.parentPackageName == null) { 15789 if (deleteCodeAndResources && (outInfo != null)) { 15790 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15791 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15792 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15793 } 15794 } 15795 15796 return true; 15797 } 15798 15799 @Override 15800 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15801 int userId) { 15802 mContext.enforceCallingOrSelfPermission( 15803 android.Manifest.permission.DELETE_PACKAGES, null); 15804 synchronized (mPackages) { 15805 PackageSetting ps = mSettings.mPackages.get(packageName); 15806 if (ps == null) { 15807 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15808 return false; 15809 } 15810 if (!ps.getInstalled(userId)) { 15811 // Can't block uninstall for an app that is not installed or enabled. 15812 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15813 return false; 15814 } 15815 ps.setBlockUninstall(blockUninstall, userId); 15816 mSettings.writePackageRestrictionsLPr(userId); 15817 } 15818 return true; 15819 } 15820 15821 @Override 15822 public boolean getBlockUninstallForUser(String packageName, int userId) { 15823 synchronized (mPackages) { 15824 PackageSetting ps = mSettings.mPackages.get(packageName); 15825 if (ps == null) { 15826 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15827 return false; 15828 } 15829 return ps.getBlockUninstall(userId); 15830 } 15831 } 15832 15833 @Override 15834 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15835 int callingUid = Binder.getCallingUid(); 15836 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15837 throw new SecurityException( 15838 "setRequiredForSystemUser can only be run by the system or root"); 15839 } 15840 synchronized (mPackages) { 15841 PackageSetting ps = mSettings.mPackages.get(packageName); 15842 if (ps == null) { 15843 Log.w(TAG, "Package doesn't exist: " + packageName); 15844 return false; 15845 } 15846 if (systemUserApp) { 15847 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15848 } else { 15849 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15850 } 15851 mSettings.writeLPr(); 15852 } 15853 return true; 15854 } 15855 15856 /* 15857 * This method handles package deletion in general 15858 */ 15859 private boolean deletePackageLIF(String packageName, UserHandle user, 15860 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15861 PackageRemovedInfo outInfo, boolean writeSettings, 15862 PackageParser.Package replacingPackage) { 15863 if (packageName == null) { 15864 Slog.w(TAG, "Attempt to delete null packageName."); 15865 return false; 15866 } 15867 15868 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15869 15870 PackageSetting ps; 15871 15872 synchronized (mPackages) { 15873 ps = mSettings.mPackages.get(packageName); 15874 if (ps == null) { 15875 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15876 return false; 15877 } 15878 15879 if (ps.parentPackageName != null && (!isSystemApp(ps) 15880 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15881 if (DEBUG_REMOVE) { 15882 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15883 + ((user == null) ? UserHandle.USER_ALL : user)); 15884 } 15885 final int removedUserId = (user != null) ? user.getIdentifier() 15886 : UserHandle.USER_ALL; 15887 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15888 return false; 15889 } 15890 markPackageUninstalledForUserLPw(ps, user); 15891 scheduleWritePackageRestrictionsLocked(user); 15892 return true; 15893 } 15894 } 15895 15896 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15897 && user.getIdentifier() != UserHandle.USER_ALL)) { 15898 // The caller is asking that the package only be deleted for a single 15899 // user. To do this, we just mark its uninstalled state and delete 15900 // its data. If this is a system app, we only allow this to happen if 15901 // they have set the special DELETE_SYSTEM_APP which requests different 15902 // semantics than normal for uninstalling system apps. 15903 markPackageUninstalledForUserLPw(ps, user); 15904 15905 if (!isSystemApp(ps)) { 15906 // Do not uninstall the APK if an app should be cached 15907 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15908 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15909 // Other user still have this package installed, so all 15910 // we need to do is clear this user's data and save that 15911 // it is uninstalled. 15912 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15913 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15914 return false; 15915 } 15916 scheduleWritePackageRestrictionsLocked(user); 15917 return true; 15918 } else { 15919 // We need to set it back to 'installed' so the uninstall 15920 // broadcasts will be sent correctly. 15921 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15922 ps.setInstalled(true, user.getIdentifier()); 15923 } 15924 } else { 15925 // This is a system app, so we assume that the 15926 // other users still have this package installed, so all 15927 // we need to do is clear this user's data and save that 15928 // it is uninstalled. 15929 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15930 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15931 return false; 15932 } 15933 scheduleWritePackageRestrictionsLocked(user); 15934 return true; 15935 } 15936 } 15937 15938 // If we are deleting a composite package for all users, keep track 15939 // of result for each child. 15940 if (ps.childPackageNames != null && outInfo != null) { 15941 synchronized (mPackages) { 15942 final int childCount = ps.childPackageNames.size(); 15943 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15944 for (int i = 0; i < childCount; i++) { 15945 String childPackageName = ps.childPackageNames.get(i); 15946 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15947 childInfo.removedPackage = childPackageName; 15948 outInfo.removedChildPackages.put(childPackageName, childInfo); 15949 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15950 if (childPs != null) { 15951 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15952 } 15953 } 15954 } 15955 } 15956 15957 boolean ret = false; 15958 if (isSystemApp(ps)) { 15959 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15960 // When an updated system application is deleted we delete the existing resources 15961 // as well and fall back to existing code in system partition 15962 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15963 } else { 15964 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15965 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15966 outInfo, writeSettings, replacingPackage); 15967 } 15968 15969 // Take a note whether we deleted the package for all users 15970 if (outInfo != null) { 15971 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15972 if (outInfo.removedChildPackages != null) { 15973 synchronized (mPackages) { 15974 final int childCount = outInfo.removedChildPackages.size(); 15975 for (int i = 0; i < childCount; i++) { 15976 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15977 if (childInfo != null) { 15978 childInfo.removedForAllUsers = mPackages.get( 15979 childInfo.removedPackage) == null; 15980 } 15981 } 15982 } 15983 } 15984 // If we uninstalled an update to a system app there may be some 15985 // child packages that appeared as they are declared in the system 15986 // app but were not declared in the update. 15987 if (isSystemApp(ps)) { 15988 synchronized (mPackages) { 15989 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15990 final int childCount = (updatedPs.childPackageNames != null) 15991 ? updatedPs.childPackageNames.size() : 0; 15992 for (int i = 0; i < childCount; i++) { 15993 String childPackageName = updatedPs.childPackageNames.get(i); 15994 if (outInfo.removedChildPackages == null 15995 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15996 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15997 if (childPs == null) { 15998 continue; 15999 } 16000 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16001 installRes.name = childPackageName; 16002 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16003 installRes.pkg = mPackages.get(childPackageName); 16004 installRes.uid = childPs.pkg.applicationInfo.uid; 16005 if (outInfo.appearedChildPackages == null) { 16006 outInfo.appearedChildPackages = new ArrayMap<>(); 16007 } 16008 outInfo.appearedChildPackages.put(childPackageName, installRes); 16009 } 16010 } 16011 } 16012 } 16013 } 16014 16015 return ret; 16016 } 16017 16018 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16019 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16020 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16021 for (int nextUserId : userIds) { 16022 if (DEBUG_REMOVE) { 16023 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16024 } 16025 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16026 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16027 false /*hidden*/, false /*suspended*/, null, null, null, 16028 false /*blockUninstall*/, 16029 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16030 } 16031 } 16032 16033 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16034 PackageRemovedInfo outInfo) { 16035 final PackageParser.Package pkg; 16036 synchronized (mPackages) { 16037 pkg = mPackages.get(ps.name); 16038 } 16039 16040 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16041 : new int[] {userId}; 16042 for (int nextUserId : userIds) { 16043 if (DEBUG_REMOVE) { 16044 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16045 + nextUserId); 16046 } 16047 16048 destroyAppDataLIF(pkg, userId, 16049 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16050 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16051 schedulePackageCleaning(ps.name, nextUserId, false); 16052 synchronized (mPackages) { 16053 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16054 scheduleWritePackageRestrictionsLocked(nextUserId); 16055 } 16056 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16057 } 16058 } 16059 16060 if (outInfo != null) { 16061 outInfo.removedPackage = ps.name; 16062 outInfo.removedAppId = ps.appId; 16063 outInfo.removedUsers = userIds; 16064 } 16065 16066 return true; 16067 } 16068 16069 private final class ClearStorageConnection implements ServiceConnection { 16070 IMediaContainerService mContainerService; 16071 16072 @Override 16073 public void onServiceConnected(ComponentName name, IBinder service) { 16074 synchronized (this) { 16075 mContainerService = IMediaContainerService.Stub.asInterface(service); 16076 notifyAll(); 16077 } 16078 } 16079 16080 @Override 16081 public void onServiceDisconnected(ComponentName name) { 16082 } 16083 } 16084 16085 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16086 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16087 16088 final boolean mounted; 16089 if (Environment.isExternalStorageEmulated()) { 16090 mounted = true; 16091 } else { 16092 final String status = Environment.getExternalStorageState(); 16093 16094 mounted = status.equals(Environment.MEDIA_MOUNTED) 16095 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16096 } 16097 16098 if (!mounted) { 16099 return; 16100 } 16101 16102 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16103 int[] users; 16104 if (userId == UserHandle.USER_ALL) { 16105 users = sUserManager.getUserIds(); 16106 } else { 16107 users = new int[] { userId }; 16108 } 16109 final ClearStorageConnection conn = new ClearStorageConnection(); 16110 if (mContext.bindServiceAsUser( 16111 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16112 try { 16113 for (int curUser : users) { 16114 long timeout = SystemClock.uptimeMillis() + 5000; 16115 synchronized (conn) { 16116 long now = SystemClock.uptimeMillis(); 16117 while (conn.mContainerService == null && now < timeout) { 16118 try { 16119 conn.wait(timeout - now); 16120 } catch (InterruptedException e) { 16121 } 16122 } 16123 } 16124 if (conn.mContainerService == null) { 16125 return; 16126 } 16127 16128 final UserEnvironment userEnv = new UserEnvironment(curUser); 16129 clearDirectory(conn.mContainerService, 16130 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16131 if (allData) { 16132 clearDirectory(conn.mContainerService, 16133 userEnv.buildExternalStorageAppDataDirs(packageName)); 16134 clearDirectory(conn.mContainerService, 16135 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16136 } 16137 } 16138 } finally { 16139 mContext.unbindService(conn); 16140 } 16141 } 16142 } 16143 16144 @Override 16145 public void clearApplicationProfileData(String packageName) { 16146 enforceSystemOrRoot("Only the system can clear all profile data"); 16147 16148 final PackageParser.Package pkg; 16149 synchronized (mPackages) { 16150 pkg = mPackages.get(packageName); 16151 } 16152 16153 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16154 synchronized (mInstallLock) { 16155 clearAppProfilesLIF(pkg); 16156 } 16157 } 16158 } 16159 16160 @Override 16161 public void clearApplicationUserData(final String packageName, 16162 final IPackageDataObserver observer, final int userId) { 16163 mContext.enforceCallingOrSelfPermission( 16164 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16165 16166 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16167 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16168 16169 final DevicePolicyManagerInternal dpmi = LocalServices 16170 .getService(DevicePolicyManagerInternal.class); 16171 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 16172 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16173 } 16174 // Queue up an async operation since the package deletion may take a little while. 16175 mHandler.post(new Runnable() { 16176 public void run() { 16177 mHandler.removeCallbacks(this); 16178 final boolean succeeded; 16179 try (PackageFreezer freezer = freezePackage(packageName, 16180 "clearApplicationUserData")) { 16181 synchronized (mInstallLock) { 16182 succeeded = clearApplicationUserDataLIF(packageName, userId); 16183 } 16184 clearExternalStorageDataSync(packageName, userId, true); 16185 } 16186 if (succeeded) { 16187 // invoke DeviceStorageMonitor's update method to clear any notifications 16188 DeviceStorageMonitorInternal dsm = LocalServices 16189 .getService(DeviceStorageMonitorInternal.class); 16190 if (dsm != null) { 16191 dsm.checkMemory(); 16192 } 16193 } 16194 if(observer != null) { 16195 try { 16196 observer.onRemoveCompleted(packageName, succeeded); 16197 } catch (RemoteException e) { 16198 Log.i(TAG, "Observer no longer exists."); 16199 } 16200 } //end if observer 16201 } //end run 16202 }); 16203 } 16204 16205 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16206 if (packageName == null) { 16207 Slog.w(TAG, "Attempt to delete null packageName."); 16208 return false; 16209 } 16210 16211 // Try finding details about the requested package 16212 PackageParser.Package pkg; 16213 synchronized (mPackages) { 16214 pkg = mPackages.get(packageName); 16215 if (pkg == null) { 16216 final PackageSetting ps = mSettings.mPackages.get(packageName); 16217 if (ps != null) { 16218 pkg = ps.pkg; 16219 } 16220 } 16221 16222 if (pkg == null) { 16223 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16224 return false; 16225 } 16226 16227 PackageSetting ps = (PackageSetting) pkg.mExtras; 16228 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16229 } 16230 16231 clearAppDataLIF(pkg, userId, 16232 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16233 16234 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16235 removeKeystoreDataIfNeeded(userId, appId); 16236 16237 final UserManager um = mContext.getSystemService(UserManager.class); 16238 final int flags; 16239 if (um.isUserUnlockingOrUnlocked(userId)) { 16240 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16241 } else if (um.isUserRunning(userId)) { 16242 flags = StorageManager.FLAG_STORAGE_DE; 16243 } else { 16244 flags = 0; 16245 } 16246 prepareAppDataContentsLIF(pkg, userId, flags); 16247 16248 return true; 16249 } 16250 16251 /** 16252 * Reverts user permission state changes (permissions and flags) in 16253 * all packages for a given user. 16254 * 16255 * @param userId The device user for which to do a reset. 16256 */ 16257 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16258 final int packageCount = mPackages.size(); 16259 for (int i = 0; i < packageCount; i++) { 16260 PackageParser.Package pkg = mPackages.valueAt(i); 16261 PackageSetting ps = (PackageSetting) pkg.mExtras; 16262 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16263 } 16264 } 16265 16266 private void resetNetworkPolicies(int userId) { 16267 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16268 } 16269 16270 /** 16271 * Reverts user permission state changes (permissions and flags). 16272 * 16273 * @param ps The package for which to reset. 16274 * @param userId The device user for which to do a reset. 16275 */ 16276 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16277 final PackageSetting ps, final int userId) { 16278 if (ps.pkg == null) { 16279 return; 16280 } 16281 16282 // These are flags that can change base on user actions. 16283 final int userSettableMask = FLAG_PERMISSION_USER_SET 16284 | FLAG_PERMISSION_USER_FIXED 16285 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16286 | FLAG_PERMISSION_REVIEW_REQUIRED; 16287 16288 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16289 | FLAG_PERMISSION_POLICY_FIXED; 16290 16291 boolean writeInstallPermissions = false; 16292 boolean writeRuntimePermissions = false; 16293 16294 final int permissionCount = ps.pkg.requestedPermissions.size(); 16295 for (int i = 0; i < permissionCount; i++) { 16296 String permission = ps.pkg.requestedPermissions.get(i); 16297 16298 BasePermission bp = mSettings.mPermissions.get(permission); 16299 if (bp == null) { 16300 continue; 16301 } 16302 16303 // If shared user we just reset the state to which only this app contributed. 16304 if (ps.sharedUser != null) { 16305 boolean used = false; 16306 final int packageCount = ps.sharedUser.packages.size(); 16307 for (int j = 0; j < packageCount; j++) { 16308 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16309 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16310 && pkg.pkg.requestedPermissions.contains(permission)) { 16311 used = true; 16312 break; 16313 } 16314 } 16315 if (used) { 16316 continue; 16317 } 16318 } 16319 16320 PermissionsState permissionsState = ps.getPermissionsState(); 16321 16322 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16323 16324 // Always clear the user settable flags. 16325 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16326 bp.name) != null; 16327 // If permission review is enabled and this is a legacy app, mark the 16328 // permission as requiring a review as this is the initial state. 16329 int flags = 0; 16330 if (Build.PERMISSIONS_REVIEW_REQUIRED 16331 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16332 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16333 } 16334 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16335 if (hasInstallState) { 16336 writeInstallPermissions = true; 16337 } else { 16338 writeRuntimePermissions = true; 16339 } 16340 } 16341 16342 // Below is only runtime permission handling. 16343 if (!bp.isRuntime()) { 16344 continue; 16345 } 16346 16347 // Never clobber system or policy. 16348 if ((oldFlags & policyOrSystemFlags) != 0) { 16349 continue; 16350 } 16351 16352 // If this permission was granted by default, make sure it is. 16353 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16354 if (permissionsState.grantRuntimePermission(bp, userId) 16355 != PERMISSION_OPERATION_FAILURE) { 16356 writeRuntimePermissions = true; 16357 } 16358 // If permission review is enabled the permissions for a legacy apps 16359 // are represented as constantly granted runtime ones, so don't revoke. 16360 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16361 // Otherwise, reset the permission. 16362 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16363 switch (revokeResult) { 16364 case PERMISSION_OPERATION_SUCCESS: 16365 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16366 writeRuntimePermissions = true; 16367 final int appId = ps.appId; 16368 mHandler.post(new Runnable() { 16369 @Override 16370 public void run() { 16371 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16372 } 16373 }); 16374 } break; 16375 } 16376 } 16377 } 16378 16379 // Synchronously write as we are taking permissions away. 16380 if (writeRuntimePermissions) { 16381 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16382 } 16383 16384 // Synchronously write as we are taking permissions away. 16385 if (writeInstallPermissions) { 16386 mSettings.writeLPr(); 16387 } 16388 } 16389 16390 /** 16391 * Remove entries from the keystore daemon. Will only remove it if the 16392 * {@code appId} is valid. 16393 */ 16394 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16395 if (appId < 0) { 16396 return; 16397 } 16398 16399 final KeyStore keyStore = KeyStore.getInstance(); 16400 if (keyStore != null) { 16401 if (userId == UserHandle.USER_ALL) { 16402 for (final int individual : sUserManager.getUserIds()) { 16403 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16404 } 16405 } else { 16406 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16407 } 16408 } else { 16409 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16410 } 16411 } 16412 16413 @Override 16414 public void deleteApplicationCacheFiles(final String packageName, 16415 final IPackageDataObserver observer) { 16416 final int userId = UserHandle.getCallingUserId(); 16417 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16418 } 16419 16420 @Override 16421 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16422 final IPackageDataObserver observer) { 16423 mContext.enforceCallingOrSelfPermission( 16424 android.Manifest.permission.DELETE_CACHE_FILES, null); 16425 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16426 /* requireFullPermission= */ true, /* checkShell= */ false, 16427 "delete application cache files"); 16428 16429 final PackageParser.Package pkg; 16430 synchronized (mPackages) { 16431 pkg = mPackages.get(packageName); 16432 } 16433 16434 // Queue up an async operation since the package deletion may take a little while. 16435 mHandler.post(new Runnable() { 16436 public void run() { 16437 synchronized (mInstallLock) { 16438 final int flags = StorageManager.FLAG_STORAGE_DE 16439 | StorageManager.FLAG_STORAGE_CE; 16440 // We're only clearing cache files, so we don't care if the 16441 // app is unfrozen and still able to run 16442 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16443 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16444 } 16445 clearExternalStorageDataSync(packageName, userId, false); 16446 if (observer != null) { 16447 try { 16448 observer.onRemoveCompleted(packageName, true); 16449 } catch (RemoteException e) { 16450 Log.i(TAG, "Observer no longer exists."); 16451 } 16452 } 16453 } 16454 }); 16455 } 16456 16457 @Override 16458 public void getPackageSizeInfo(final String packageName, int userHandle, 16459 final IPackageStatsObserver observer) { 16460 mContext.enforceCallingOrSelfPermission( 16461 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16462 if (packageName == null) { 16463 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16464 } 16465 16466 PackageStats stats = new PackageStats(packageName, userHandle); 16467 16468 /* 16469 * Queue up an async operation since the package measurement may take a 16470 * little while. 16471 */ 16472 Message msg = mHandler.obtainMessage(INIT_COPY); 16473 msg.obj = new MeasureParams(stats, observer); 16474 mHandler.sendMessage(msg); 16475 } 16476 16477 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16478 final PackageSetting ps; 16479 synchronized (mPackages) { 16480 ps = mSettings.mPackages.get(packageName); 16481 if (ps == null) { 16482 Slog.w(TAG, "Failed to find settings for " + packageName); 16483 return false; 16484 } 16485 } 16486 try { 16487 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16488 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16489 ps.getCeDataInode(userId), ps.codePathString, stats); 16490 } catch (InstallerException e) { 16491 Slog.w(TAG, String.valueOf(e)); 16492 return false; 16493 } 16494 16495 // For now, ignore code size of packages on system partition 16496 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16497 stats.codeSize = 0; 16498 } 16499 16500 return true; 16501 } 16502 16503 private int getUidTargetSdkVersionLockedLPr(int uid) { 16504 Object obj = mSettings.getUserIdLPr(uid); 16505 if (obj instanceof SharedUserSetting) { 16506 final SharedUserSetting sus = (SharedUserSetting) obj; 16507 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16508 final Iterator<PackageSetting> it = sus.packages.iterator(); 16509 while (it.hasNext()) { 16510 final PackageSetting ps = it.next(); 16511 if (ps.pkg != null) { 16512 int v = ps.pkg.applicationInfo.targetSdkVersion; 16513 if (v < vers) vers = v; 16514 } 16515 } 16516 return vers; 16517 } else if (obj instanceof PackageSetting) { 16518 final PackageSetting ps = (PackageSetting) obj; 16519 if (ps.pkg != null) { 16520 return ps.pkg.applicationInfo.targetSdkVersion; 16521 } 16522 } 16523 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16524 } 16525 16526 @Override 16527 public void addPreferredActivity(IntentFilter filter, int match, 16528 ComponentName[] set, ComponentName activity, int userId) { 16529 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16530 "Adding preferred"); 16531 } 16532 16533 private void addPreferredActivityInternal(IntentFilter filter, int match, 16534 ComponentName[] set, ComponentName activity, boolean always, int userId, 16535 String opname) { 16536 // writer 16537 int callingUid = Binder.getCallingUid(); 16538 enforceCrossUserPermission(callingUid, userId, 16539 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16540 if (filter.countActions() == 0) { 16541 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16542 return; 16543 } 16544 synchronized (mPackages) { 16545 if (mContext.checkCallingOrSelfPermission( 16546 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16547 != PackageManager.PERMISSION_GRANTED) { 16548 if (getUidTargetSdkVersionLockedLPr(callingUid) 16549 < Build.VERSION_CODES.FROYO) { 16550 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16551 + callingUid); 16552 return; 16553 } 16554 mContext.enforceCallingOrSelfPermission( 16555 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16556 } 16557 16558 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16559 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16560 + userId + ":"); 16561 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16562 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16563 scheduleWritePackageRestrictionsLocked(userId); 16564 } 16565 } 16566 16567 @Override 16568 public void replacePreferredActivity(IntentFilter filter, int match, 16569 ComponentName[] set, ComponentName activity, int userId) { 16570 if (filter.countActions() != 1) { 16571 throw new IllegalArgumentException( 16572 "replacePreferredActivity expects filter to have only 1 action."); 16573 } 16574 if (filter.countDataAuthorities() != 0 16575 || filter.countDataPaths() != 0 16576 || filter.countDataSchemes() > 1 16577 || filter.countDataTypes() != 0) { 16578 throw new IllegalArgumentException( 16579 "replacePreferredActivity expects filter to have no data authorities, " + 16580 "paths, or types; and at most one scheme."); 16581 } 16582 16583 final int callingUid = Binder.getCallingUid(); 16584 enforceCrossUserPermission(callingUid, userId, 16585 true /* requireFullPermission */, false /* checkShell */, 16586 "replace preferred activity"); 16587 synchronized (mPackages) { 16588 if (mContext.checkCallingOrSelfPermission( 16589 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16590 != PackageManager.PERMISSION_GRANTED) { 16591 if (getUidTargetSdkVersionLockedLPr(callingUid) 16592 < Build.VERSION_CODES.FROYO) { 16593 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16594 + Binder.getCallingUid()); 16595 return; 16596 } 16597 mContext.enforceCallingOrSelfPermission( 16598 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16599 } 16600 16601 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16602 if (pir != null) { 16603 // Get all of the existing entries that exactly match this filter. 16604 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16605 if (existing != null && existing.size() == 1) { 16606 PreferredActivity cur = existing.get(0); 16607 if (DEBUG_PREFERRED) { 16608 Slog.i(TAG, "Checking replace of preferred:"); 16609 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16610 if (!cur.mPref.mAlways) { 16611 Slog.i(TAG, " -- CUR; not mAlways!"); 16612 } else { 16613 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16614 Slog.i(TAG, " -- CUR: mSet=" 16615 + Arrays.toString(cur.mPref.mSetComponents)); 16616 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16617 Slog.i(TAG, " -- NEW: mMatch=" 16618 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16619 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16620 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16621 } 16622 } 16623 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16624 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16625 && cur.mPref.sameSet(set)) { 16626 // Setting the preferred activity to what it happens to be already 16627 if (DEBUG_PREFERRED) { 16628 Slog.i(TAG, "Replacing with same preferred activity " 16629 + cur.mPref.mShortComponent + " for user " 16630 + userId + ":"); 16631 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16632 } 16633 return; 16634 } 16635 } 16636 16637 if (existing != null) { 16638 if (DEBUG_PREFERRED) { 16639 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16640 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16641 } 16642 for (int i = 0; i < existing.size(); i++) { 16643 PreferredActivity pa = existing.get(i); 16644 if (DEBUG_PREFERRED) { 16645 Slog.i(TAG, "Removing existing preferred activity " 16646 + pa.mPref.mComponent + ":"); 16647 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16648 } 16649 pir.removeFilter(pa); 16650 } 16651 } 16652 } 16653 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16654 "Replacing preferred"); 16655 } 16656 } 16657 16658 @Override 16659 public void clearPackagePreferredActivities(String packageName) { 16660 final int uid = Binder.getCallingUid(); 16661 // writer 16662 synchronized (mPackages) { 16663 PackageParser.Package pkg = mPackages.get(packageName); 16664 if (pkg == null || pkg.applicationInfo.uid != uid) { 16665 if (mContext.checkCallingOrSelfPermission( 16666 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16667 != PackageManager.PERMISSION_GRANTED) { 16668 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16669 < Build.VERSION_CODES.FROYO) { 16670 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16671 + Binder.getCallingUid()); 16672 return; 16673 } 16674 mContext.enforceCallingOrSelfPermission( 16675 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16676 } 16677 } 16678 16679 int user = UserHandle.getCallingUserId(); 16680 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16681 scheduleWritePackageRestrictionsLocked(user); 16682 } 16683 } 16684 } 16685 16686 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16687 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16688 ArrayList<PreferredActivity> removed = null; 16689 boolean changed = false; 16690 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16691 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16692 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16693 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16694 continue; 16695 } 16696 Iterator<PreferredActivity> it = pir.filterIterator(); 16697 while (it.hasNext()) { 16698 PreferredActivity pa = it.next(); 16699 // Mark entry for removal only if it matches the package name 16700 // and the entry is of type "always". 16701 if (packageName == null || 16702 (pa.mPref.mComponent.getPackageName().equals(packageName) 16703 && pa.mPref.mAlways)) { 16704 if (removed == null) { 16705 removed = new ArrayList<PreferredActivity>(); 16706 } 16707 removed.add(pa); 16708 } 16709 } 16710 if (removed != null) { 16711 for (int j=0; j<removed.size(); j++) { 16712 PreferredActivity pa = removed.get(j); 16713 pir.removeFilter(pa); 16714 } 16715 changed = true; 16716 } 16717 } 16718 return changed; 16719 } 16720 16721 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16722 private void clearIntentFilterVerificationsLPw(int userId) { 16723 final int packageCount = mPackages.size(); 16724 for (int i = 0; i < packageCount; i++) { 16725 PackageParser.Package pkg = mPackages.valueAt(i); 16726 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16727 } 16728 } 16729 16730 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16731 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16732 if (userId == UserHandle.USER_ALL) { 16733 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16734 sUserManager.getUserIds())) { 16735 for (int oneUserId : sUserManager.getUserIds()) { 16736 scheduleWritePackageRestrictionsLocked(oneUserId); 16737 } 16738 } 16739 } else { 16740 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16741 scheduleWritePackageRestrictionsLocked(userId); 16742 } 16743 } 16744 } 16745 16746 void clearDefaultBrowserIfNeeded(String packageName) { 16747 for (int oneUserId : sUserManager.getUserIds()) { 16748 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16749 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16750 if (packageName.equals(defaultBrowserPackageName)) { 16751 setDefaultBrowserPackageName(null, oneUserId); 16752 } 16753 } 16754 } 16755 16756 @Override 16757 public void resetApplicationPreferences(int userId) { 16758 mContext.enforceCallingOrSelfPermission( 16759 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16760 final long identity = Binder.clearCallingIdentity(); 16761 // writer 16762 try { 16763 synchronized (mPackages) { 16764 clearPackagePreferredActivitiesLPw(null, userId); 16765 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16766 // TODO: We have to reset the default SMS and Phone. This requires 16767 // significant refactoring to keep all default apps in the package 16768 // manager (cleaner but more work) or have the services provide 16769 // callbacks to the package manager to request a default app reset. 16770 applyFactoryDefaultBrowserLPw(userId); 16771 clearIntentFilterVerificationsLPw(userId); 16772 primeDomainVerificationsLPw(userId); 16773 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16774 scheduleWritePackageRestrictionsLocked(userId); 16775 } 16776 resetNetworkPolicies(userId); 16777 } finally { 16778 Binder.restoreCallingIdentity(identity); 16779 } 16780 } 16781 16782 @Override 16783 public int getPreferredActivities(List<IntentFilter> outFilters, 16784 List<ComponentName> outActivities, String packageName) { 16785 16786 int num = 0; 16787 final int userId = UserHandle.getCallingUserId(); 16788 // reader 16789 synchronized (mPackages) { 16790 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16791 if (pir != null) { 16792 final Iterator<PreferredActivity> it = pir.filterIterator(); 16793 while (it.hasNext()) { 16794 final PreferredActivity pa = it.next(); 16795 if (packageName == null 16796 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16797 && pa.mPref.mAlways)) { 16798 if (outFilters != null) { 16799 outFilters.add(new IntentFilter(pa)); 16800 } 16801 if (outActivities != null) { 16802 outActivities.add(pa.mPref.mComponent); 16803 } 16804 } 16805 } 16806 } 16807 } 16808 16809 return num; 16810 } 16811 16812 @Override 16813 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16814 int userId) { 16815 int callingUid = Binder.getCallingUid(); 16816 if (callingUid != Process.SYSTEM_UID) { 16817 throw new SecurityException( 16818 "addPersistentPreferredActivity can only be run by the system"); 16819 } 16820 if (filter.countActions() == 0) { 16821 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16822 return; 16823 } 16824 synchronized (mPackages) { 16825 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16826 ":"); 16827 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16828 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16829 new PersistentPreferredActivity(filter, activity)); 16830 scheduleWritePackageRestrictionsLocked(userId); 16831 } 16832 } 16833 16834 @Override 16835 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16836 int callingUid = Binder.getCallingUid(); 16837 if (callingUid != Process.SYSTEM_UID) { 16838 throw new SecurityException( 16839 "clearPackagePersistentPreferredActivities can only be run by the system"); 16840 } 16841 ArrayList<PersistentPreferredActivity> removed = null; 16842 boolean changed = false; 16843 synchronized (mPackages) { 16844 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16845 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16846 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16847 .valueAt(i); 16848 if (userId != thisUserId) { 16849 continue; 16850 } 16851 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16852 while (it.hasNext()) { 16853 PersistentPreferredActivity ppa = it.next(); 16854 // Mark entry for removal only if it matches the package name. 16855 if (ppa.mComponent.getPackageName().equals(packageName)) { 16856 if (removed == null) { 16857 removed = new ArrayList<PersistentPreferredActivity>(); 16858 } 16859 removed.add(ppa); 16860 } 16861 } 16862 if (removed != null) { 16863 for (int j=0; j<removed.size(); j++) { 16864 PersistentPreferredActivity ppa = removed.get(j); 16865 ppir.removeFilter(ppa); 16866 } 16867 changed = true; 16868 } 16869 } 16870 16871 if (changed) { 16872 scheduleWritePackageRestrictionsLocked(userId); 16873 } 16874 } 16875 } 16876 16877 /** 16878 * Common machinery for picking apart a restored XML blob and passing 16879 * it to a caller-supplied functor to be applied to the running system. 16880 */ 16881 private void restoreFromXml(XmlPullParser parser, int userId, 16882 String expectedStartTag, BlobXmlRestorer functor) 16883 throws IOException, XmlPullParserException { 16884 int type; 16885 while ((type = parser.next()) != XmlPullParser.START_TAG 16886 && type != XmlPullParser.END_DOCUMENT) { 16887 } 16888 if (type != XmlPullParser.START_TAG) { 16889 // oops didn't find a start tag?! 16890 if (DEBUG_BACKUP) { 16891 Slog.e(TAG, "Didn't find start tag during restore"); 16892 } 16893 return; 16894 } 16895Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16896 // this is supposed to be TAG_PREFERRED_BACKUP 16897 if (!expectedStartTag.equals(parser.getName())) { 16898 if (DEBUG_BACKUP) { 16899 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16900 } 16901 return; 16902 } 16903 16904 // skip interfering stuff, then we're aligned with the backing implementation 16905 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16906Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16907 functor.apply(parser, userId); 16908 } 16909 16910 private interface BlobXmlRestorer { 16911 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16912 } 16913 16914 /** 16915 * Non-Binder method, support for the backup/restore mechanism: write the 16916 * full set of preferred activities in its canonical XML format. Returns the 16917 * XML output as a byte array, or null if there is none. 16918 */ 16919 @Override 16920 public byte[] getPreferredActivityBackup(int userId) { 16921 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16922 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16923 } 16924 16925 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16926 try { 16927 final XmlSerializer serializer = new FastXmlSerializer(); 16928 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16929 serializer.startDocument(null, true); 16930 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16931 16932 synchronized (mPackages) { 16933 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16934 } 16935 16936 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16937 serializer.endDocument(); 16938 serializer.flush(); 16939 } catch (Exception e) { 16940 if (DEBUG_BACKUP) { 16941 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16942 } 16943 return null; 16944 } 16945 16946 return dataStream.toByteArray(); 16947 } 16948 16949 @Override 16950 public void restorePreferredActivities(byte[] backup, int userId) { 16951 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16952 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16953 } 16954 16955 try { 16956 final XmlPullParser parser = Xml.newPullParser(); 16957 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16958 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16959 new BlobXmlRestorer() { 16960 @Override 16961 public void apply(XmlPullParser parser, int userId) 16962 throws XmlPullParserException, IOException { 16963 synchronized (mPackages) { 16964 mSettings.readPreferredActivitiesLPw(parser, userId); 16965 } 16966 } 16967 } ); 16968 } catch (Exception e) { 16969 if (DEBUG_BACKUP) { 16970 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16971 } 16972 } 16973 } 16974 16975 /** 16976 * Non-Binder method, support for the backup/restore mechanism: write the 16977 * default browser (etc) settings in its canonical XML format. Returns the default 16978 * browser XML representation as a byte array, or null if there is none. 16979 */ 16980 @Override 16981 public byte[] getDefaultAppsBackup(int userId) { 16982 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16983 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16984 } 16985 16986 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16987 try { 16988 final XmlSerializer serializer = new FastXmlSerializer(); 16989 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16990 serializer.startDocument(null, true); 16991 serializer.startTag(null, TAG_DEFAULT_APPS); 16992 16993 synchronized (mPackages) { 16994 mSettings.writeDefaultAppsLPr(serializer, userId); 16995 } 16996 16997 serializer.endTag(null, TAG_DEFAULT_APPS); 16998 serializer.endDocument(); 16999 serializer.flush(); 17000 } catch (Exception e) { 17001 if (DEBUG_BACKUP) { 17002 Slog.e(TAG, "Unable to write default apps for backup", e); 17003 } 17004 return null; 17005 } 17006 17007 return dataStream.toByteArray(); 17008 } 17009 17010 @Override 17011 public void restoreDefaultApps(byte[] backup, int userId) { 17012 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17013 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17014 } 17015 17016 try { 17017 final XmlPullParser parser = Xml.newPullParser(); 17018 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17019 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17020 new BlobXmlRestorer() { 17021 @Override 17022 public void apply(XmlPullParser parser, int userId) 17023 throws XmlPullParserException, IOException { 17024 synchronized (mPackages) { 17025 mSettings.readDefaultAppsLPw(parser, userId); 17026 } 17027 } 17028 } ); 17029 } catch (Exception e) { 17030 if (DEBUG_BACKUP) { 17031 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17032 } 17033 } 17034 } 17035 17036 @Override 17037 public byte[] getIntentFilterVerificationBackup(int userId) { 17038 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17039 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17040 } 17041 17042 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17043 try { 17044 final XmlSerializer serializer = new FastXmlSerializer(); 17045 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17046 serializer.startDocument(null, true); 17047 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17048 17049 synchronized (mPackages) { 17050 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17051 } 17052 17053 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17054 serializer.endDocument(); 17055 serializer.flush(); 17056 } catch (Exception e) { 17057 if (DEBUG_BACKUP) { 17058 Slog.e(TAG, "Unable to write default apps for backup", e); 17059 } 17060 return null; 17061 } 17062 17063 return dataStream.toByteArray(); 17064 } 17065 17066 @Override 17067 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17068 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17069 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17070 } 17071 17072 try { 17073 final XmlPullParser parser = Xml.newPullParser(); 17074 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17075 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17076 new BlobXmlRestorer() { 17077 @Override 17078 public void apply(XmlPullParser parser, int userId) 17079 throws XmlPullParserException, IOException { 17080 synchronized (mPackages) { 17081 mSettings.readAllDomainVerificationsLPr(parser, userId); 17082 mSettings.writeLPr(); 17083 } 17084 } 17085 } ); 17086 } catch (Exception e) { 17087 if (DEBUG_BACKUP) { 17088 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17089 } 17090 } 17091 } 17092 17093 @Override 17094 public byte[] getPermissionGrantBackup(int userId) { 17095 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17096 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17097 } 17098 17099 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17100 try { 17101 final XmlSerializer serializer = new FastXmlSerializer(); 17102 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17103 serializer.startDocument(null, true); 17104 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17105 17106 synchronized (mPackages) { 17107 serializeRuntimePermissionGrantsLPr(serializer, userId); 17108 } 17109 17110 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17111 serializer.endDocument(); 17112 serializer.flush(); 17113 } catch (Exception e) { 17114 if (DEBUG_BACKUP) { 17115 Slog.e(TAG, "Unable to write default apps for backup", e); 17116 } 17117 return null; 17118 } 17119 17120 return dataStream.toByteArray(); 17121 } 17122 17123 @Override 17124 public void restorePermissionGrants(byte[] backup, int userId) { 17125 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17126 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17127 } 17128 17129 try { 17130 final XmlPullParser parser = Xml.newPullParser(); 17131 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17132 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17133 new BlobXmlRestorer() { 17134 @Override 17135 public void apply(XmlPullParser parser, int userId) 17136 throws XmlPullParserException, IOException { 17137 synchronized (mPackages) { 17138 processRestoredPermissionGrantsLPr(parser, userId); 17139 } 17140 } 17141 } ); 17142 } catch (Exception e) { 17143 if (DEBUG_BACKUP) { 17144 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17145 } 17146 } 17147 } 17148 17149 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17150 throws IOException { 17151 serializer.startTag(null, TAG_ALL_GRANTS); 17152 17153 final int N = mSettings.mPackages.size(); 17154 for (int i = 0; i < N; i++) { 17155 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17156 boolean pkgGrantsKnown = false; 17157 17158 PermissionsState packagePerms = ps.getPermissionsState(); 17159 17160 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17161 final int grantFlags = state.getFlags(); 17162 // only look at grants that are not system/policy fixed 17163 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17164 final boolean isGranted = state.isGranted(); 17165 // And only back up the user-twiddled state bits 17166 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17167 final String packageName = mSettings.mPackages.keyAt(i); 17168 if (!pkgGrantsKnown) { 17169 serializer.startTag(null, TAG_GRANT); 17170 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17171 pkgGrantsKnown = true; 17172 } 17173 17174 final boolean userSet = 17175 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17176 final boolean userFixed = 17177 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17178 final boolean revoke = 17179 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17180 17181 serializer.startTag(null, TAG_PERMISSION); 17182 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17183 if (isGranted) { 17184 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17185 } 17186 if (userSet) { 17187 serializer.attribute(null, ATTR_USER_SET, "true"); 17188 } 17189 if (userFixed) { 17190 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17191 } 17192 if (revoke) { 17193 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17194 } 17195 serializer.endTag(null, TAG_PERMISSION); 17196 } 17197 } 17198 } 17199 17200 if (pkgGrantsKnown) { 17201 serializer.endTag(null, TAG_GRANT); 17202 } 17203 } 17204 17205 serializer.endTag(null, TAG_ALL_GRANTS); 17206 } 17207 17208 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17209 throws XmlPullParserException, IOException { 17210 String pkgName = null; 17211 int outerDepth = parser.getDepth(); 17212 int type; 17213 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17214 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17215 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17216 continue; 17217 } 17218 17219 final String tagName = parser.getName(); 17220 if (tagName.equals(TAG_GRANT)) { 17221 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17222 if (DEBUG_BACKUP) { 17223 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17224 } 17225 } else if (tagName.equals(TAG_PERMISSION)) { 17226 17227 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17228 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17229 17230 int newFlagSet = 0; 17231 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17232 newFlagSet |= FLAG_PERMISSION_USER_SET; 17233 } 17234 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17235 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17236 } 17237 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17238 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17239 } 17240 if (DEBUG_BACKUP) { 17241 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17242 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17243 } 17244 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17245 if (ps != null) { 17246 // Already installed so we apply the grant immediately 17247 if (DEBUG_BACKUP) { 17248 Slog.v(TAG, " + already installed; applying"); 17249 } 17250 PermissionsState perms = ps.getPermissionsState(); 17251 BasePermission bp = mSettings.mPermissions.get(permName); 17252 if (bp != null) { 17253 if (isGranted) { 17254 perms.grantRuntimePermission(bp, userId); 17255 } 17256 if (newFlagSet != 0) { 17257 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17258 } 17259 } 17260 } else { 17261 // Need to wait for post-restore install to apply the grant 17262 if (DEBUG_BACKUP) { 17263 Slog.v(TAG, " - not yet installed; saving for later"); 17264 } 17265 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17266 isGranted, newFlagSet, userId); 17267 } 17268 } else { 17269 PackageManagerService.reportSettingsProblem(Log.WARN, 17270 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17271 XmlUtils.skipCurrentTag(parser); 17272 } 17273 } 17274 17275 scheduleWriteSettingsLocked(); 17276 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17277 } 17278 17279 @Override 17280 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17281 int sourceUserId, int targetUserId, int flags) { 17282 mContext.enforceCallingOrSelfPermission( 17283 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17284 int callingUid = Binder.getCallingUid(); 17285 enforceOwnerRights(ownerPackage, callingUid); 17286 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17287 if (intentFilter.countActions() == 0) { 17288 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17289 return; 17290 } 17291 synchronized (mPackages) { 17292 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17293 ownerPackage, targetUserId, flags); 17294 CrossProfileIntentResolver resolver = 17295 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17296 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17297 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17298 if (existing != null) { 17299 int size = existing.size(); 17300 for (int i = 0; i < size; i++) { 17301 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17302 return; 17303 } 17304 } 17305 } 17306 resolver.addFilter(newFilter); 17307 scheduleWritePackageRestrictionsLocked(sourceUserId); 17308 } 17309 } 17310 17311 @Override 17312 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17313 mContext.enforceCallingOrSelfPermission( 17314 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17315 int callingUid = Binder.getCallingUid(); 17316 enforceOwnerRights(ownerPackage, callingUid); 17317 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17318 synchronized (mPackages) { 17319 CrossProfileIntentResolver resolver = 17320 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17321 ArraySet<CrossProfileIntentFilter> set = 17322 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17323 for (CrossProfileIntentFilter filter : set) { 17324 if (filter.getOwnerPackage().equals(ownerPackage)) { 17325 resolver.removeFilter(filter); 17326 } 17327 } 17328 scheduleWritePackageRestrictionsLocked(sourceUserId); 17329 } 17330 } 17331 17332 // Enforcing that callingUid is owning pkg on userId 17333 private void enforceOwnerRights(String pkg, int callingUid) { 17334 // The system owns everything. 17335 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17336 return; 17337 } 17338 int callingUserId = UserHandle.getUserId(callingUid); 17339 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17340 if (pi == null) { 17341 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17342 + callingUserId); 17343 } 17344 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17345 throw new SecurityException("Calling uid " + callingUid 17346 + " does not own package " + pkg); 17347 } 17348 } 17349 17350 @Override 17351 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17352 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17353 } 17354 17355 private Intent getHomeIntent() { 17356 Intent intent = new Intent(Intent.ACTION_MAIN); 17357 intent.addCategory(Intent.CATEGORY_HOME); 17358 return intent; 17359 } 17360 17361 private IntentFilter getHomeFilter() { 17362 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17363 filter.addCategory(Intent.CATEGORY_HOME); 17364 filter.addCategory(Intent.CATEGORY_DEFAULT); 17365 return filter; 17366 } 17367 17368 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17369 int userId) { 17370 Intent intent = getHomeIntent(); 17371 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17372 PackageManager.GET_META_DATA, userId); 17373 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17374 true, false, false, userId); 17375 17376 allHomeCandidates.clear(); 17377 if (list != null) { 17378 for (ResolveInfo ri : list) { 17379 allHomeCandidates.add(ri); 17380 } 17381 } 17382 return (preferred == null || preferred.activityInfo == null) 17383 ? null 17384 : new ComponentName(preferred.activityInfo.packageName, 17385 preferred.activityInfo.name); 17386 } 17387 17388 @Override 17389 public void setHomeActivity(ComponentName comp, int userId) { 17390 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17391 getHomeActivitiesAsUser(homeActivities, userId); 17392 17393 boolean found = false; 17394 17395 final int size = homeActivities.size(); 17396 final ComponentName[] set = new ComponentName[size]; 17397 for (int i = 0; i < size; i++) { 17398 final ResolveInfo candidate = homeActivities.get(i); 17399 final ActivityInfo info = candidate.activityInfo; 17400 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17401 set[i] = activityName; 17402 if (!found && activityName.equals(comp)) { 17403 found = true; 17404 } 17405 } 17406 if (!found) { 17407 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17408 + userId); 17409 } 17410 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17411 set, comp, userId); 17412 } 17413 17414 private @Nullable String getSetupWizardPackageName() { 17415 final Intent intent = new Intent(Intent.ACTION_MAIN); 17416 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17417 17418 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17419 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17420 | MATCH_DISABLED_COMPONENTS, 17421 UserHandle.myUserId()); 17422 if (matches.size() == 1) { 17423 return matches.get(0).getComponentInfo().packageName; 17424 } else { 17425 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17426 + ": matches=" + matches); 17427 return null; 17428 } 17429 } 17430 17431 @Override 17432 public void setApplicationEnabledSetting(String appPackageName, 17433 int newState, int flags, int userId, String callingPackage) { 17434 if (!sUserManager.exists(userId)) return; 17435 if (callingPackage == null) { 17436 callingPackage = Integer.toString(Binder.getCallingUid()); 17437 } 17438 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17439 } 17440 17441 @Override 17442 public void setComponentEnabledSetting(ComponentName componentName, 17443 int newState, int flags, int userId) { 17444 if (!sUserManager.exists(userId)) return; 17445 setEnabledSetting(componentName.getPackageName(), 17446 componentName.getClassName(), newState, flags, userId, null); 17447 } 17448 17449 private void setEnabledSetting(final String packageName, String className, int newState, 17450 final int flags, int userId, String callingPackage) { 17451 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17452 || newState == COMPONENT_ENABLED_STATE_ENABLED 17453 || newState == COMPONENT_ENABLED_STATE_DISABLED 17454 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17455 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17456 throw new IllegalArgumentException("Invalid new component state: " 17457 + newState); 17458 } 17459 PackageSetting pkgSetting; 17460 final int uid = Binder.getCallingUid(); 17461 final int permission; 17462 if (uid == Process.SYSTEM_UID) { 17463 permission = PackageManager.PERMISSION_GRANTED; 17464 } else { 17465 permission = mContext.checkCallingOrSelfPermission( 17466 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17467 } 17468 enforceCrossUserPermission(uid, userId, 17469 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17470 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17471 boolean sendNow = false; 17472 boolean isApp = (className == null); 17473 String componentName = isApp ? packageName : className; 17474 int packageUid = -1; 17475 ArrayList<String> components; 17476 17477 // writer 17478 synchronized (mPackages) { 17479 pkgSetting = mSettings.mPackages.get(packageName); 17480 if (pkgSetting == null) { 17481 if (className == null) { 17482 throw new IllegalArgumentException("Unknown package: " + packageName); 17483 } 17484 throw new IllegalArgumentException( 17485 "Unknown component: " + packageName + "/" + className); 17486 } 17487 // Allow root and verify that userId is not being specified by a different user 17488 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17489 throw new SecurityException( 17490 "Permission Denial: attempt to change component state from pid=" 17491 + Binder.getCallingPid() 17492 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17493 } 17494 if (className == null) { 17495 // We're dealing with an application/package level state change 17496 if (pkgSetting.getEnabled(userId) == newState) { 17497 // Nothing to do 17498 return; 17499 } 17500 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17501 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17502 // Don't care about who enables an app. 17503 callingPackage = null; 17504 } 17505 pkgSetting.setEnabled(newState, userId, callingPackage); 17506 // pkgSetting.pkg.mSetEnabled = newState; 17507 } else { 17508 // We're dealing with a component level state change 17509 // First, verify that this is a valid class name. 17510 PackageParser.Package pkg = pkgSetting.pkg; 17511 if (pkg == null || !pkg.hasComponentClassName(className)) { 17512 if (pkg != null && 17513 pkg.applicationInfo.targetSdkVersion >= 17514 Build.VERSION_CODES.JELLY_BEAN) { 17515 throw new IllegalArgumentException("Component class " + className 17516 + " does not exist in " + packageName); 17517 } else { 17518 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17519 + className + " does not exist in " + packageName); 17520 } 17521 } 17522 switch (newState) { 17523 case COMPONENT_ENABLED_STATE_ENABLED: 17524 if (!pkgSetting.enableComponentLPw(className, userId)) { 17525 return; 17526 } 17527 break; 17528 case COMPONENT_ENABLED_STATE_DISABLED: 17529 if (!pkgSetting.disableComponentLPw(className, userId)) { 17530 return; 17531 } 17532 break; 17533 case COMPONENT_ENABLED_STATE_DEFAULT: 17534 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17535 return; 17536 } 17537 break; 17538 default: 17539 Slog.e(TAG, "Invalid new component state: " + newState); 17540 return; 17541 } 17542 } 17543 scheduleWritePackageRestrictionsLocked(userId); 17544 components = mPendingBroadcasts.get(userId, packageName); 17545 final boolean newPackage = components == null; 17546 if (newPackage) { 17547 components = new ArrayList<String>(); 17548 } 17549 if (!components.contains(componentName)) { 17550 components.add(componentName); 17551 } 17552 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17553 sendNow = true; 17554 // Purge entry from pending broadcast list if another one exists already 17555 // since we are sending one right away. 17556 mPendingBroadcasts.remove(userId, packageName); 17557 } else { 17558 if (newPackage) { 17559 mPendingBroadcasts.put(userId, packageName, components); 17560 } 17561 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17562 // Schedule a message 17563 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17564 } 17565 } 17566 } 17567 17568 long callingId = Binder.clearCallingIdentity(); 17569 try { 17570 if (sendNow) { 17571 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17572 sendPackageChangedBroadcast(packageName, 17573 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17574 } 17575 } finally { 17576 Binder.restoreCallingIdentity(callingId); 17577 } 17578 } 17579 17580 @Override 17581 public void flushPackageRestrictionsAsUser(int userId) { 17582 if (!sUserManager.exists(userId)) { 17583 return; 17584 } 17585 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17586 false /* checkShell */, "flushPackageRestrictions"); 17587 synchronized (mPackages) { 17588 mSettings.writePackageRestrictionsLPr(userId); 17589 mDirtyUsers.remove(userId); 17590 if (mDirtyUsers.isEmpty()) { 17591 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17592 } 17593 } 17594 } 17595 17596 private void sendPackageChangedBroadcast(String packageName, 17597 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17598 if (DEBUG_INSTALL) 17599 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17600 + componentNames); 17601 Bundle extras = new Bundle(4); 17602 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17603 String nameList[] = new String[componentNames.size()]; 17604 componentNames.toArray(nameList); 17605 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17606 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17607 extras.putInt(Intent.EXTRA_UID, packageUid); 17608 // If this is not reporting a change of the overall package, then only send it 17609 // to registered receivers. We don't want to launch a swath of apps for every 17610 // little component state change. 17611 final int flags = !componentNames.contains(packageName) 17612 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17613 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17614 new int[] {UserHandle.getUserId(packageUid)}); 17615 } 17616 17617 @Override 17618 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17619 if (!sUserManager.exists(userId)) return; 17620 final int uid = Binder.getCallingUid(); 17621 final int permission = mContext.checkCallingOrSelfPermission( 17622 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17623 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17624 enforceCrossUserPermission(uid, userId, 17625 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17626 // writer 17627 synchronized (mPackages) { 17628 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17629 allowedByPermission, uid, userId)) { 17630 scheduleWritePackageRestrictionsLocked(userId); 17631 } 17632 } 17633 } 17634 17635 @Override 17636 public String getInstallerPackageName(String packageName) { 17637 // reader 17638 synchronized (mPackages) { 17639 return mSettings.getInstallerPackageNameLPr(packageName); 17640 } 17641 } 17642 17643 public boolean isOrphaned(String packageName) { 17644 // reader 17645 synchronized (mPackages) { 17646 return mSettings.isOrphaned(packageName); 17647 } 17648 } 17649 17650 @Override 17651 public int getApplicationEnabledSetting(String packageName, int userId) { 17652 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17653 int uid = Binder.getCallingUid(); 17654 enforceCrossUserPermission(uid, userId, 17655 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17656 // reader 17657 synchronized (mPackages) { 17658 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17659 } 17660 } 17661 17662 @Override 17663 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17664 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17665 int uid = Binder.getCallingUid(); 17666 enforceCrossUserPermission(uid, userId, 17667 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17668 // reader 17669 synchronized (mPackages) { 17670 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17671 } 17672 } 17673 17674 @Override 17675 public void enterSafeMode() { 17676 enforceSystemOrRoot("Only the system can request entering safe mode"); 17677 17678 if (!mSystemReady) { 17679 mSafeMode = true; 17680 } 17681 } 17682 17683 @Override 17684 public void systemReady() { 17685 mSystemReady = true; 17686 17687 // Read the compatibilty setting when the system is ready. 17688 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17689 mContext.getContentResolver(), 17690 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17691 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17692 if (DEBUG_SETTINGS) { 17693 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17694 } 17695 17696 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17697 17698 synchronized (mPackages) { 17699 // Verify that all of the preferred activity components actually 17700 // exist. It is possible for applications to be updated and at 17701 // that point remove a previously declared activity component that 17702 // had been set as a preferred activity. We try to clean this up 17703 // the next time we encounter that preferred activity, but it is 17704 // possible for the user flow to never be able to return to that 17705 // situation so here we do a sanity check to make sure we haven't 17706 // left any junk around. 17707 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17708 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17709 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17710 removed.clear(); 17711 for (PreferredActivity pa : pir.filterSet()) { 17712 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17713 removed.add(pa); 17714 } 17715 } 17716 if (removed.size() > 0) { 17717 for (int r=0; r<removed.size(); r++) { 17718 PreferredActivity pa = removed.get(r); 17719 Slog.w(TAG, "Removing dangling preferred activity: " 17720 + pa.mPref.mComponent); 17721 pir.removeFilter(pa); 17722 } 17723 mSettings.writePackageRestrictionsLPr( 17724 mSettings.mPreferredActivities.keyAt(i)); 17725 } 17726 } 17727 17728 for (int userId : UserManagerService.getInstance().getUserIds()) { 17729 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17730 grantPermissionsUserIds = ArrayUtils.appendInt( 17731 grantPermissionsUserIds, userId); 17732 } 17733 } 17734 } 17735 sUserManager.systemReady(); 17736 17737 // If we upgraded grant all default permissions before kicking off. 17738 for (int userId : grantPermissionsUserIds) { 17739 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17740 } 17741 17742 // Kick off any messages waiting for system ready 17743 if (mPostSystemReadyMessages != null) { 17744 for (Message msg : mPostSystemReadyMessages) { 17745 msg.sendToTarget(); 17746 } 17747 mPostSystemReadyMessages = null; 17748 } 17749 17750 // Watch for external volumes that come and go over time 17751 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17752 storage.registerListener(mStorageListener); 17753 17754 mInstallerService.systemReady(); 17755 mPackageDexOptimizer.systemReady(); 17756 17757 MountServiceInternal mountServiceInternal = LocalServices.getService( 17758 MountServiceInternal.class); 17759 mountServiceInternal.addExternalStoragePolicy( 17760 new MountServiceInternal.ExternalStorageMountPolicy() { 17761 @Override 17762 public int getMountMode(int uid, String packageName) { 17763 if (Process.isIsolated(uid)) { 17764 return Zygote.MOUNT_EXTERNAL_NONE; 17765 } 17766 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17767 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17768 } 17769 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17770 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17771 } 17772 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17773 return Zygote.MOUNT_EXTERNAL_READ; 17774 } 17775 return Zygote.MOUNT_EXTERNAL_WRITE; 17776 } 17777 17778 @Override 17779 public boolean hasExternalStorage(int uid, String packageName) { 17780 return true; 17781 } 17782 }); 17783 17784 // Now that we're mostly running, clean up stale users and apps 17785 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17786 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17787 } 17788 17789 @Override 17790 public boolean isSafeMode() { 17791 return mSafeMode; 17792 } 17793 17794 @Override 17795 public boolean hasSystemUidErrors() { 17796 return mHasSystemUidErrors; 17797 } 17798 17799 static String arrayToString(int[] array) { 17800 StringBuffer buf = new StringBuffer(128); 17801 buf.append('['); 17802 if (array != null) { 17803 for (int i=0; i<array.length; i++) { 17804 if (i > 0) buf.append(", "); 17805 buf.append(array[i]); 17806 } 17807 } 17808 buf.append(']'); 17809 return buf.toString(); 17810 } 17811 17812 static class DumpState { 17813 public static final int DUMP_LIBS = 1 << 0; 17814 public static final int DUMP_FEATURES = 1 << 1; 17815 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17816 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17817 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17818 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17819 public static final int DUMP_PERMISSIONS = 1 << 6; 17820 public static final int DUMP_PACKAGES = 1 << 7; 17821 public static final int DUMP_SHARED_USERS = 1 << 8; 17822 public static final int DUMP_MESSAGES = 1 << 9; 17823 public static final int DUMP_PROVIDERS = 1 << 10; 17824 public static final int DUMP_VERIFIERS = 1 << 11; 17825 public static final int DUMP_PREFERRED = 1 << 12; 17826 public static final int DUMP_PREFERRED_XML = 1 << 13; 17827 public static final int DUMP_KEYSETS = 1 << 14; 17828 public static final int DUMP_VERSION = 1 << 15; 17829 public static final int DUMP_INSTALLS = 1 << 16; 17830 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17831 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17832 public static final int DUMP_FROZEN = 1 << 19; 17833 public static final int DUMP_DEXOPT = 1 << 20; 17834 17835 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17836 17837 private int mTypes; 17838 17839 private int mOptions; 17840 17841 private boolean mTitlePrinted; 17842 17843 private SharedUserSetting mSharedUser; 17844 17845 public boolean isDumping(int type) { 17846 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17847 return true; 17848 } 17849 17850 return (mTypes & type) != 0; 17851 } 17852 17853 public void setDump(int type) { 17854 mTypes |= type; 17855 } 17856 17857 public boolean isOptionEnabled(int option) { 17858 return (mOptions & option) != 0; 17859 } 17860 17861 public void setOptionEnabled(int option) { 17862 mOptions |= option; 17863 } 17864 17865 public boolean onTitlePrinted() { 17866 final boolean printed = mTitlePrinted; 17867 mTitlePrinted = true; 17868 return printed; 17869 } 17870 17871 public boolean getTitlePrinted() { 17872 return mTitlePrinted; 17873 } 17874 17875 public void setTitlePrinted(boolean enabled) { 17876 mTitlePrinted = enabled; 17877 } 17878 17879 public SharedUserSetting getSharedUser() { 17880 return mSharedUser; 17881 } 17882 17883 public void setSharedUser(SharedUserSetting user) { 17884 mSharedUser = user; 17885 } 17886 } 17887 17888 @Override 17889 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17890 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17891 (new PackageManagerShellCommand(this)).exec( 17892 this, in, out, err, args, resultReceiver); 17893 } 17894 17895 @Override 17896 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17897 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17898 != PackageManager.PERMISSION_GRANTED) { 17899 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17900 + Binder.getCallingPid() 17901 + ", uid=" + Binder.getCallingUid() 17902 + " without permission " 17903 + android.Manifest.permission.DUMP); 17904 return; 17905 } 17906 17907 DumpState dumpState = new DumpState(); 17908 boolean fullPreferred = false; 17909 boolean checkin = false; 17910 17911 String packageName = null; 17912 ArraySet<String> permissionNames = null; 17913 17914 int opti = 0; 17915 while (opti < args.length) { 17916 String opt = args[opti]; 17917 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17918 break; 17919 } 17920 opti++; 17921 17922 if ("-a".equals(opt)) { 17923 // Right now we only know how to print all. 17924 } else if ("-h".equals(opt)) { 17925 pw.println("Package manager dump options:"); 17926 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17927 pw.println(" --checkin: dump for a checkin"); 17928 pw.println(" -f: print details of intent filters"); 17929 pw.println(" -h: print this help"); 17930 pw.println(" cmd may be one of:"); 17931 pw.println(" l[ibraries]: list known shared libraries"); 17932 pw.println(" f[eatures]: list device features"); 17933 pw.println(" k[eysets]: print known keysets"); 17934 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17935 pw.println(" perm[issions]: dump permissions"); 17936 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17937 pw.println(" pref[erred]: print preferred package settings"); 17938 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17939 pw.println(" prov[iders]: dump content providers"); 17940 pw.println(" p[ackages]: dump installed packages"); 17941 pw.println(" s[hared-users]: dump shared user IDs"); 17942 pw.println(" m[essages]: print collected runtime messages"); 17943 pw.println(" v[erifiers]: print package verifier info"); 17944 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17945 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17946 pw.println(" version: print database version info"); 17947 pw.println(" write: write current settings now"); 17948 pw.println(" installs: details about install sessions"); 17949 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17950 pw.println(" dexopt: dump dexopt state"); 17951 pw.println(" <package.name>: info about given package"); 17952 return; 17953 } else if ("--checkin".equals(opt)) { 17954 checkin = true; 17955 } else if ("-f".equals(opt)) { 17956 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17957 } else { 17958 pw.println("Unknown argument: " + opt + "; use -h for help"); 17959 } 17960 } 17961 17962 // Is the caller requesting to dump a particular piece of data? 17963 if (opti < args.length) { 17964 String cmd = args[opti]; 17965 opti++; 17966 // Is this a package name? 17967 if ("android".equals(cmd) || cmd.contains(".")) { 17968 packageName = cmd; 17969 // When dumping a single package, we always dump all of its 17970 // filter information since the amount of data will be reasonable. 17971 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17972 } else if ("check-permission".equals(cmd)) { 17973 if (opti >= args.length) { 17974 pw.println("Error: check-permission missing permission argument"); 17975 return; 17976 } 17977 String perm = args[opti]; 17978 opti++; 17979 if (opti >= args.length) { 17980 pw.println("Error: check-permission missing package argument"); 17981 return; 17982 } 17983 String pkg = args[opti]; 17984 opti++; 17985 int user = UserHandle.getUserId(Binder.getCallingUid()); 17986 if (opti < args.length) { 17987 try { 17988 user = Integer.parseInt(args[opti]); 17989 } catch (NumberFormatException e) { 17990 pw.println("Error: check-permission user argument is not a number: " 17991 + args[opti]); 17992 return; 17993 } 17994 } 17995 pw.println(checkPermission(perm, pkg, user)); 17996 return; 17997 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17998 dumpState.setDump(DumpState.DUMP_LIBS); 17999 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18000 dumpState.setDump(DumpState.DUMP_FEATURES); 18001 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18002 if (opti >= args.length) { 18003 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18004 | DumpState.DUMP_SERVICE_RESOLVERS 18005 | DumpState.DUMP_RECEIVER_RESOLVERS 18006 | DumpState.DUMP_CONTENT_RESOLVERS); 18007 } else { 18008 while (opti < args.length) { 18009 String name = args[opti]; 18010 if ("a".equals(name) || "activity".equals(name)) { 18011 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18012 } else if ("s".equals(name) || "service".equals(name)) { 18013 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18014 } else if ("r".equals(name) || "receiver".equals(name)) { 18015 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18016 } else if ("c".equals(name) || "content".equals(name)) { 18017 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18018 } else { 18019 pw.println("Error: unknown resolver table type: " + name); 18020 return; 18021 } 18022 opti++; 18023 } 18024 } 18025 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18026 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18027 } else if ("permission".equals(cmd)) { 18028 if (opti >= args.length) { 18029 pw.println("Error: permission requires permission name"); 18030 return; 18031 } 18032 permissionNames = new ArraySet<>(); 18033 while (opti < args.length) { 18034 permissionNames.add(args[opti]); 18035 opti++; 18036 } 18037 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18038 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18039 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18040 dumpState.setDump(DumpState.DUMP_PREFERRED); 18041 } else if ("preferred-xml".equals(cmd)) { 18042 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18043 if (opti < args.length && "--full".equals(args[opti])) { 18044 fullPreferred = true; 18045 opti++; 18046 } 18047 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18048 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18049 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18050 dumpState.setDump(DumpState.DUMP_PACKAGES); 18051 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18052 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18053 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18054 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18055 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18056 dumpState.setDump(DumpState.DUMP_MESSAGES); 18057 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18058 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18059 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18060 || "intent-filter-verifiers".equals(cmd)) { 18061 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18062 } else if ("version".equals(cmd)) { 18063 dumpState.setDump(DumpState.DUMP_VERSION); 18064 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18065 dumpState.setDump(DumpState.DUMP_KEYSETS); 18066 } else if ("installs".equals(cmd)) { 18067 dumpState.setDump(DumpState.DUMP_INSTALLS); 18068 } else if ("frozen".equals(cmd)) { 18069 dumpState.setDump(DumpState.DUMP_FROZEN); 18070 } else if ("dexopt".equals(cmd)) { 18071 dumpState.setDump(DumpState.DUMP_DEXOPT); 18072 } else if ("write".equals(cmd)) { 18073 synchronized (mPackages) { 18074 mSettings.writeLPr(); 18075 pw.println("Settings written."); 18076 return; 18077 } 18078 } 18079 } 18080 18081 if (checkin) { 18082 pw.println("vers,1"); 18083 } 18084 18085 // reader 18086 synchronized (mPackages) { 18087 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18088 if (!checkin) { 18089 if (dumpState.onTitlePrinted()) 18090 pw.println(); 18091 pw.println("Database versions:"); 18092 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18093 } 18094 } 18095 18096 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18097 if (!checkin) { 18098 if (dumpState.onTitlePrinted()) 18099 pw.println(); 18100 pw.println("Verifiers:"); 18101 pw.print(" Required: "); 18102 pw.print(mRequiredVerifierPackage); 18103 pw.print(" (uid="); 18104 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18105 UserHandle.USER_SYSTEM)); 18106 pw.println(")"); 18107 } else if (mRequiredVerifierPackage != null) { 18108 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18109 pw.print(","); 18110 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18111 UserHandle.USER_SYSTEM)); 18112 } 18113 } 18114 18115 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18116 packageName == null) { 18117 if (mIntentFilterVerifierComponent != null) { 18118 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18119 if (!checkin) { 18120 if (dumpState.onTitlePrinted()) 18121 pw.println(); 18122 pw.println("Intent Filter Verifier:"); 18123 pw.print(" Using: "); 18124 pw.print(verifierPackageName); 18125 pw.print(" (uid="); 18126 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18127 UserHandle.USER_SYSTEM)); 18128 pw.println(")"); 18129 } else if (verifierPackageName != null) { 18130 pw.print("ifv,"); pw.print(verifierPackageName); 18131 pw.print(","); 18132 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18133 UserHandle.USER_SYSTEM)); 18134 } 18135 } else { 18136 pw.println(); 18137 pw.println("No Intent Filter Verifier available!"); 18138 } 18139 } 18140 18141 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18142 boolean printedHeader = false; 18143 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18144 while (it.hasNext()) { 18145 String name = it.next(); 18146 SharedLibraryEntry ent = mSharedLibraries.get(name); 18147 if (!checkin) { 18148 if (!printedHeader) { 18149 if (dumpState.onTitlePrinted()) 18150 pw.println(); 18151 pw.println("Libraries:"); 18152 printedHeader = true; 18153 } 18154 pw.print(" "); 18155 } else { 18156 pw.print("lib,"); 18157 } 18158 pw.print(name); 18159 if (!checkin) { 18160 pw.print(" -> "); 18161 } 18162 if (ent.path != null) { 18163 if (!checkin) { 18164 pw.print("(jar) "); 18165 pw.print(ent.path); 18166 } else { 18167 pw.print(",jar,"); 18168 pw.print(ent.path); 18169 } 18170 } else { 18171 if (!checkin) { 18172 pw.print("(apk) "); 18173 pw.print(ent.apk); 18174 } else { 18175 pw.print(",apk,"); 18176 pw.print(ent.apk); 18177 } 18178 } 18179 pw.println(); 18180 } 18181 } 18182 18183 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18184 if (dumpState.onTitlePrinted()) 18185 pw.println(); 18186 if (!checkin) { 18187 pw.println("Features:"); 18188 } 18189 18190 for (FeatureInfo feat : mAvailableFeatures.values()) { 18191 if (checkin) { 18192 pw.print("feat,"); 18193 pw.print(feat.name); 18194 pw.print(","); 18195 pw.println(feat.version); 18196 } else { 18197 pw.print(" "); 18198 pw.print(feat.name); 18199 if (feat.version > 0) { 18200 pw.print(" version="); 18201 pw.print(feat.version); 18202 } 18203 pw.println(); 18204 } 18205 } 18206 } 18207 18208 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18209 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18210 : "Activity Resolver Table:", " ", packageName, 18211 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18212 dumpState.setTitlePrinted(true); 18213 } 18214 } 18215 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18216 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18217 : "Receiver Resolver Table:", " ", packageName, 18218 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18219 dumpState.setTitlePrinted(true); 18220 } 18221 } 18222 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18223 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18224 : "Service Resolver Table:", " ", packageName, 18225 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18226 dumpState.setTitlePrinted(true); 18227 } 18228 } 18229 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18230 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18231 : "Provider Resolver Table:", " ", packageName, 18232 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18233 dumpState.setTitlePrinted(true); 18234 } 18235 } 18236 18237 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18238 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18239 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18240 int user = mSettings.mPreferredActivities.keyAt(i); 18241 if (pir.dump(pw, 18242 dumpState.getTitlePrinted() 18243 ? "\nPreferred Activities User " + user + ":" 18244 : "Preferred Activities User " + user + ":", " ", 18245 packageName, true, false)) { 18246 dumpState.setTitlePrinted(true); 18247 } 18248 } 18249 } 18250 18251 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18252 pw.flush(); 18253 FileOutputStream fout = new FileOutputStream(fd); 18254 BufferedOutputStream str = new BufferedOutputStream(fout); 18255 XmlSerializer serializer = new FastXmlSerializer(); 18256 try { 18257 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18258 serializer.startDocument(null, true); 18259 serializer.setFeature( 18260 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18261 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18262 serializer.endDocument(); 18263 serializer.flush(); 18264 } catch (IllegalArgumentException e) { 18265 pw.println("Failed writing: " + e); 18266 } catch (IllegalStateException e) { 18267 pw.println("Failed writing: " + e); 18268 } catch (IOException e) { 18269 pw.println("Failed writing: " + e); 18270 } 18271 } 18272 18273 if (!checkin 18274 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18275 && packageName == null) { 18276 pw.println(); 18277 int count = mSettings.mPackages.size(); 18278 if (count == 0) { 18279 pw.println("No applications!"); 18280 pw.println(); 18281 } else { 18282 final String prefix = " "; 18283 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18284 if (allPackageSettings.size() == 0) { 18285 pw.println("No domain preferred apps!"); 18286 pw.println(); 18287 } else { 18288 pw.println("App verification status:"); 18289 pw.println(); 18290 count = 0; 18291 for (PackageSetting ps : allPackageSettings) { 18292 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18293 if (ivi == null || ivi.getPackageName() == null) continue; 18294 pw.println(prefix + "Package: " + ivi.getPackageName()); 18295 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18296 pw.println(prefix + "Status: " + ivi.getStatusString()); 18297 pw.println(); 18298 count++; 18299 } 18300 if (count == 0) { 18301 pw.println(prefix + "No app verification established."); 18302 pw.println(); 18303 } 18304 for (int userId : sUserManager.getUserIds()) { 18305 pw.println("App linkages for user " + userId + ":"); 18306 pw.println(); 18307 count = 0; 18308 for (PackageSetting ps : allPackageSettings) { 18309 final long status = ps.getDomainVerificationStatusForUser(userId); 18310 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18311 continue; 18312 } 18313 pw.println(prefix + "Package: " + ps.name); 18314 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18315 String statusStr = IntentFilterVerificationInfo. 18316 getStatusStringFromValue(status); 18317 pw.println(prefix + "Status: " + statusStr); 18318 pw.println(); 18319 count++; 18320 } 18321 if (count == 0) { 18322 pw.println(prefix + "No configured app linkages."); 18323 pw.println(); 18324 } 18325 } 18326 } 18327 } 18328 } 18329 18330 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18331 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18332 if (packageName == null && permissionNames == null) { 18333 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18334 if (iperm == 0) { 18335 if (dumpState.onTitlePrinted()) 18336 pw.println(); 18337 pw.println("AppOp Permissions:"); 18338 } 18339 pw.print(" AppOp Permission "); 18340 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18341 pw.println(":"); 18342 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18343 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18344 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18345 } 18346 } 18347 } 18348 } 18349 18350 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18351 boolean printedSomething = false; 18352 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18353 if (packageName != null && !packageName.equals(p.info.packageName)) { 18354 continue; 18355 } 18356 if (!printedSomething) { 18357 if (dumpState.onTitlePrinted()) 18358 pw.println(); 18359 pw.println("Registered ContentProviders:"); 18360 printedSomething = true; 18361 } 18362 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18363 pw.print(" "); pw.println(p.toString()); 18364 } 18365 printedSomething = false; 18366 for (Map.Entry<String, PackageParser.Provider> entry : 18367 mProvidersByAuthority.entrySet()) { 18368 PackageParser.Provider p = entry.getValue(); 18369 if (packageName != null && !packageName.equals(p.info.packageName)) { 18370 continue; 18371 } 18372 if (!printedSomething) { 18373 if (dumpState.onTitlePrinted()) 18374 pw.println(); 18375 pw.println("ContentProvider Authorities:"); 18376 printedSomething = true; 18377 } 18378 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18379 pw.print(" "); pw.println(p.toString()); 18380 if (p.info != null && p.info.applicationInfo != null) { 18381 final String appInfo = p.info.applicationInfo.toString(); 18382 pw.print(" applicationInfo="); pw.println(appInfo); 18383 } 18384 } 18385 } 18386 18387 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18388 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18389 } 18390 18391 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18392 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18393 } 18394 18395 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18396 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18397 } 18398 18399 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18400 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18401 } 18402 18403 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18404 // XXX should handle packageName != null by dumping only install data that 18405 // the given package is involved with. 18406 if (dumpState.onTitlePrinted()) pw.println(); 18407 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18408 } 18409 18410 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18411 // XXX should handle packageName != null by dumping only install data that 18412 // the given package is involved with. 18413 if (dumpState.onTitlePrinted()) pw.println(); 18414 18415 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18416 ipw.println(); 18417 ipw.println("Frozen packages:"); 18418 ipw.increaseIndent(); 18419 if (mFrozenPackages.size() == 0) { 18420 ipw.println("(none)"); 18421 } else { 18422 for (int i = 0; i < mFrozenPackages.size(); i++) { 18423 ipw.println(mFrozenPackages.valueAt(i)); 18424 } 18425 } 18426 ipw.decreaseIndent(); 18427 } 18428 18429 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18430 if (dumpState.onTitlePrinted()) pw.println(); 18431 dumpDexoptStateLPr(pw, packageName); 18432 } 18433 18434 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18435 if (dumpState.onTitlePrinted()) pw.println(); 18436 mSettings.dumpReadMessagesLPr(pw, dumpState); 18437 18438 pw.println(); 18439 pw.println("Package warning messages:"); 18440 BufferedReader in = null; 18441 String line = null; 18442 try { 18443 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18444 while ((line = in.readLine()) != null) { 18445 if (line.contains("ignored: updated version")) continue; 18446 pw.println(line); 18447 } 18448 } catch (IOException ignored) { 18449 } finally { 18450 IoUtils.closeQuietly(in); 18451 } 18452 } 18453 18454 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18455 BufferedReader in = null; 18456 String line = null; 18457 try { 18458 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18459 while ((line = in.readLine()) != null) { 18460 if (line.contains("ignored: updated version")) continue; 18461 pw.print("msg,"); 18462 pw.println(line); 18463 } 18464 } catch (IOException ignored) { 18465 } finally { 18466 IoUtils.closeQuietly(in); 18467 } 18468 } 18469 } 18470 } 18471 18472 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18473 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18474 ipw.println(); 18475 ipw.println("Dexopt state:"); 18476 ipw.increaseIndent(); 18477 Collection<PackageParser.Package> packages = null; 18478 if (packageName != null) { 18479 PackageParser.Package targetPackage = mPackages.get(packageName); 18480 if (targetPackage != null) { 18481 packages = Collections.singletonList(targetPackage); 18482 } else { 18483 ipw.println("Unable to find package: " + packageName); 18484 return; 18485 } 18486 } else { 18487 packages = mPackages.values(); 18488 } 18489 18490 for (PackageParser.Package pkg : packages) { 18491 ipw.println("[" + pkg.packageName + "]"); 18492 ipw.increaseIndent(); 18493 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18494 ipw.decreaseIndent(); 18495 } 18496 } 18497 18498 private String dumpDomainString(String packageName) { 18499 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18500 .getList(); 18501 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18502 18503 ArraySet<String> result = new ArraySet<>(); 18504 if (iviList.size() > 0) { 18505 for (IntentFilterVerificationInfo ivi : iviList) { 18506 for (String host : ivi.getDomains()) { 18507 result.add(host); 18508 } 18509 } 18510 } 18511 if (filters != null && filters.size() > 0) { 18512 for (IntentFilter filter : filters) { 18513 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18514 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18515 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18516 result.addAll(filter.getHostsList()); 18517 } 18518 } 18519 } 18520 18521 StringBuilder sb = new StringBuilder(result.size() * 16); 18522 for (String domain : result) { 18523 if (sb.length() > 0) sb.append(" "); 18524 sb.append(domain); 18525 } 18526 return sb.toString(); 18527 } 18528 18529 // ------- apps on sdcard specific code ------- 18530 static final boolean DEBUG_SD_INSTALL = false; 18531 18532 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18533 18534 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18535 18536 private boolean mMediaMounted = false; 18537 18538 static String getEncryptKey() { 18539 try { 18540 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18541 SD_ENCRYPTION_KEYSTORE_NAME); 18542 if (sdEncKey == null) { 18543 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18544 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18545 if (sdEncKey == null) { 18546 Slog.e(TAG, "Failed to create encryption keys"); 18547 return null; 18548 } 18549 } 18550 return sdEncKey; 18551 } catch (NoSuchAlgorithmException nsae) { 18552 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18553 return null; 18554 } catch (IOException ioe) { 18555 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18556 return null; 18557 } 18558 } 18559 18560 /* 18561 * Update media status on PackageManager. 18562 */ 18563 @Override 18564 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18565 int callingUid = Binder.getCallingUid(); 18566 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18567 throw new SecurityException("Media status can only be updated by the system"); 18568 } 18569 // reader; this apparently protects mMediaMounted, but should probably 18570 // be a different lock in that case. 18571 synchronized (mPackages) { 18572 Log.i(TAG, "Updating external media status from " 18573 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18574 + (mediaStatus ? "mounted" : "unmounted")); 18575 if (DEBUG_SD_INSTALL) 18576 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18577 + ", mMediaMounted=" + mMediaMounted); 18578 if (mediaStatus == mMediaMounted) { 18579 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18580 : 0, -1); 18581 mHandler.sendMessage(msg); 18582 return; 18583 } 18584 mMediaMounted = mediaStatus; 18585 } 18586 // Queue up an async operation since the package installation may take a 18587 // little while. 18588 mHandler.post(new Runnable() { 18589 public void run() { 18590 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18591 } 18592 }); 18593 } 18594 18595 /** 18596 * Called by MountService when the initial ASECs to scan are available. 18597 * Should block until all the ASEC containers are finished being scanned. 18598 */ 18599 public void scanAvailableAsecs() { 18600 updateExternalMediaStatusInner(true, false, false); 18601 } 18602 18603 /* 18604 * Collect information of applications on external media, map them against 18605 * existing containers and update information based on current mount status. 18606 * Please note that we always have to report status if reportStatus has been 18607 * set to true especially when unloading packages. 18608 */ 18609 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18610 boolean externalStorage) { 18611 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18612 int[] uidArr = EmptyArray.INT; 18613 18614 final String[] list = PackageHelper.getSecureContainerList(); 18615 if (ArrayUtils.isEmpty(list)) { 18616 Log.i(TAG, "No secure containers found"); 18617 } else { 18618 // Process list of secure containers and categorize them 18619 // as active or stale based on their package internal state. 18620 18621 // reader 18622 synchronized (mPackages) { 18623 for (String cid : list) { 18624 // Leave stages untouched for now; installer service owns them 18625 if (PackageInstallerService.isStageName(cid)) continue; 18626 18627 if (DEBUG_SD_INSTALL) 18628 Log.i(TAG, "Processing container " + cid); 18629 String pkgName = getAsecPackageName(cid); 18630 if (pkgName == null) { 18631 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18632 continue; 18633 } 18634 if (DEBUG_SD_INSTALL) 18635 Log.i(TAG, "Looking for pkg : " + pkgName); 18636 18637 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18638 if (ps == null) { 18639 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18640 continue; 18641 } 18642 18643 /* 18644 * Skip packages that are not external if we're unmounting 18645 * external storage. 18646 */ 18647 if (externalStorage && !isMounted && !isExternal(ps)) { 18648 continue; 18649 } 18650 18651 final AsecInstallArgs args = new AsecInstallArgs(cid, 18652 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18653 // The package status is changed only if the code path 18654 // matches between settings and the container id. 18655 if (ps.codePathString != null 18656 && ps.codePathString.startsWith(args.getCodePath())) { 18657 if (DEBUG_SD_INSTALL) { 18658 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18659 + " at code path: " + ps.codePathString); 18660 } 18661 18662 // We do have a valid package installed on sdcard 18663 processCids.put(args, ps.codePathString); 18664 final int uid = ps.appId; 18665 if (uid != -1) { 18666 uidArr = ArrayUtils.appendInt(uidArr, uid); 18667 } 18668 } else { 18669 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18670 + ps.codePathString); 18671 } 18672 } 18673 } 18674 18675 Arrays.sort(uidArr); 18676 } 18677 18678 // Process packages with valid entries. 18679 if (isMounted) { 18680 if (DEBUG_SD_INSTALL) 18681 Log.i(TAG, "Loading packages"); 18682 loadMediaPackages(processCids, uidArr, externalStorage); 18683 startCleaningPackages(); 18684 mInstallerService.onSecureContainersAvailable(); 18685 } else { 18686 if (DEBUG_SD_INSTALL) 18687 Log.i(TAG, "Unloading packages"); 18688 unloadMediaPackages(processCids, uidArr, reportStatus); 18689 } 18690 } 18691 18692 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18693 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18694 final int size = infos.size(); 18695 final String[] packageNames = new String[size]; 18696 final int[] packageUids = new int[size]; 18697 for (int i = 0; i < size; i++) { 18698 final ApplicationInfo info = infos.get(i); 18699 packageNames[i] = info.packageName; 18700 packageUids[i] = info.uid; 18701 } 18702 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18703 finishedReceiver); 18704 } 18705 18706 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18707 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18708 sendResourcesChangedBroadcast(mediaStatus, replacing, 18709 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18710 } 18711 18712 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18713 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18714 int size = pkgList.length; 18715 if (size > 0) { 18716 // Send broadcasts here 18717 Bundle extras = new Bundle(); 18718 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18719 if (uidArr != null) { 18720 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18721 } 18722 if (replacing) { 18723 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18724 } 18725 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18726 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18727 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18728 } 18729 } 18730 18731 /* 18732 * Look at potentially valid container ids from processCids If package 18733 * information doesn't match the one on record or package scanning fails, 18734 * the cid is added to list of removeCids. We currently don't delete stale 18735 * containers. 18736 */ 18737 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18738 boolean externalStorage) { 18739 ArrayList<String> pkgList = new ArrayList<String>(); 18740 Set<AsecInstallArgs> keys = processCids.keySet(); 18741 18742 for (AsecInstallArgs args : keys) { 18743 String codePath = processCids.get(args); 18744 if (DEBUG_SD_INSTALL) 18745 Log.i(TAG, "Loading container : " + args.cid); 18746 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18747 try { 18748 // Make sure there are no container errors first. 18749 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18750 Slog.e(TAG, "Failed to mount cid : " + args.cid 18751 + " when installing from sdcard"); 18752 continue; 18753 } 18754 // Check code path here. 18755 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18756 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18757 + " does not match one in settings " + codePath); 18758 continue; 18759 } 18760 // Parse package 18761 int parseFlags = mDefParseFlags; 18762 if (args.isExternalAsec()) { 18763 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18764 } 18765 if (args.isFwdLocked()) { 18766 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18767 } 18768 18769 synchronized (mInstallLock) { 18770 PackageParser.Package pkg = null; 18771 try { 18772 // Sadly we don't know the package name yet to freeze it 18773 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18774 SCAN_IGNORE_FROZEN, 0, null); 18775 } catch (PackageManagerException e) { 18776 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18777 } 18778 // Scan the package 18779 if (pkg != null) { 18780 /* 18781 * TODO why is the lock being held? doPostInstall is 18782 * called in other places without the lock. This needs 18783 * to be straightened out. 18784 */ 18785 // writer 18786 synchronized (mPackages) { 18787 retCode = PackageManager.INSTALL_SUCCEEDED; 18788 pkgList.add(pkg.packageName); 18789 // Post process args 18790 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18791 pkg.applicationInfo.uid); 18792 } 18793 } else { 18794 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18795 } 18796 } 18797 18798 } finally { 18799 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18800 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18801 } 18802 } 18803 } 18804 // writer 18805 synchronized (mPackages) { 18806 // If the platform SDK has changed since the last time we booted, 18807 // we need to re-grant app permission to catch any new ones that 18808 // appear. This is really a hack, and means that apps can in some 18809 // cases get permissions that the user didn't initially explicitly 18810 // allow... it would be nice to have some better way to handle 18811 // this situation. 18812 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18813 : mSettings.getInternalVersion(); 18814 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18815 : StorageManager.UUID_PRIVATE_INTERNAL; 18816 18817 int updateFlags = UPDATE_PERMISSIONS_ALL; 18818 if (ver.sdkVersion != mSdkVersion) { 18819 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18820 + mSdkVersion + "; regranting permissions for external"); 18821 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18822 } 18823 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18824 18825 // Yay, everything is now upgraded 18826 ver.forceCurrent(); 18827 18828 // can downgrade to reader 18829 // Persist settings 18830 mSettings.writeLPr(); 18831 } 18832 // Send a broadcast to let everyone know we are done processing 18833 if (pkgList.size() > 0) { 18834 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18835 } 18836 } 18837 18838 /* 18839 * Utility method to unload a list of specified containers 18840 */ 18841 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18842 // Just unmount all valid containers. 18843 for (AsecInstallArgs arg : cidArgs) { 18844 synchronized (mInstallLock) { 18845 arg.doPostDeleteLI(false); 18846 } 18847 } 18848 } 18849 18850 /* 18851 * Unload packages mounted on external media. This involves deleting package 18852 * data from internal structures, sending broadcasts about disabled packages, 18853 * gc'ing to free up references, unmounting all secure containers 18854 * corresponding to packages on external media, and posting a 18855 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18856 * that we always have to post this message if status has been requested no 18857 * matter what. 18858 */ 18859 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18860 final boolean reportStatus) { 18861 if (DEBUG_SD_INSTALL) 18862 Log.i(TAG, "unloading media packages"); 18863 ArrayList<String> pkgList = new ArrayList<String>(); 18864 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18865 final Set<AsecInstallArgs> keys = processCids.keySet(); 18866 for (AsecInstallArgs args : keys) { 18867 String pkgName = args.getPackageName(); 18868 if (DEBUG_SD_INSTALL) 18869 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18870 // Delete package internally 18871 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18872 synchronized (mInstallLock) { 18873 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18874 final boolean res; 18875 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18876 "unloadMediaPackages")) { 18877 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18878 null); 18879 } 18880 if (res) { 18881 pkgList.add(pkgName); 18882 } else { 18883 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18884 failedList.add(args); 18885 } 18886 } 18887 } 18888 18889 // reader 18890 synchronized (mPackages) { 18891 // We didn't update the settings after removing each package; 18892 // write them now for all packages. 18893 mSettings.writeLPr(); 18894 } 18895 18896 // We have to absolutely send UPDATED_MEDIA_STATUS only 18897 // after confirming that all the receivers processed the ordered 18898 // broadcast when packages get disabled, force a gc to clean things up. 18899 // and unload all the containers. 18900 if (pkgList.size() > 0) { 18901 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18902 new IIntentReceiver.Stub() { 18903 public void performReceive(Intent intent, int resultCode, String data, 18904 Bundle extras, boolean ordered, boolean sticky, 18905 int sendingUser) throws RemoteException { 18906 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18907 reportStatus ? 1 : 0, 1, keys); 18908 mHandler.sendMessage(msg); 18909 } 18910 }); 18911 } else { 18912 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18913 keys); 18914 mHandler.sendMessage(msg); 18915 } 18916 } 18917 18918 private void loadPrivatePackages(final VolumeInfo vol) { 18919 mHandler.post(new Runnable() { 18920 @Override 18921 public void run() { 18922 loadPrivatePackagesInner(vol); 18923 } 18924 }); 18925 } 18926 18927 private void loadPrivatePackagesInner(VolumeInfo vol) { 18928 final String volumeUuid = vol.fsUuid; 18929 if (TextUtils.isEmpty(volumeUuid)) { 18930 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18931 return; 18932 } 18933 18934 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18935 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18936 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18937 18938 final VersionInfo ver; 18939 final List<PackageSetting> packages; 18940 synchronized (mPackages) { 18941 ver = mSettings.findOrCreateVersion(volumeUuid); 18942 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18943 } 18944 18945 for (PackageSetting ps : packages) { 18946 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18947 synchronized (mInstallLock) { 18948 final PackageParser.Package pkg; 18949 try { 18950 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18951 loaded.add(pkg.applicationInfo); 18952 18953 } catch (PackageManagerException e) { 18954 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18955 } 18956 18957 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18958 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18959 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18960 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18961 } 18962 } 18963 } 18964 18965 // Reconcile app data for all started/unlocked users 18966 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18967 final UserManager um = mContext.getSystemService(UserManager.class); 18968 for (UserInfo user : um.getUsers()) { 18969 final int flags; 18970 if (um.isUserUnlockingOrUnlocked(user.id)) { 18971 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18972 } else if (um.isUserRunning(user.id)) { 18973 flags = StorageManager.FLAG_STORAGE_DE; 18974 } else { 18975 continue; 18976 } 18977 18978 try { 18979 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18980 synchronized (mInstallLock) { 18981 reconcileAppsDataLI(volumeUuid, user.id, flags); 18982 } 18983 } catch (IllegalStateException e) { 18984 // Device was probably ejected, and we'll process that event momentarily 18985 Slog.w(TAG, "Failed to prepare storage: " + e); 18986 } 18987 } 18988 18989 synchronized (mPackages) { 18990 int updateFlags = UPDATE_PERMISSIONS_ALL; 18991 if (ver.sdkVersion != mSdkVersion) { 18992 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18993 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18994 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18995 } 18996 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18997 18998 // Yay, everything is now upgraded 18999 ver.forceCurrent(); 19000 19001 mSettings.writeLPr(); 19002 } 19003 19004 for (PackageFreezer freezer : freezers) { 19005 freezer.close(); 19006 } 19007 19008 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19009 sendResourcesChangedBroadcast(true, false, loaded, null); 19010 } 19011 19012 private void unloadPrivatePackages(final VolumeInfo vol) { 19013 mHandler.post(new Runnable() { 19014 @Override 19015 public void run() { 19016 unloadPrivatePackagesInner(vol); 19017 } 19018 }); 19019 } 19020 19021 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19022 final String volumeUuid = vol.fsUuid; 19023 if (TextUtils.isEmpty(volumeUuid)) { 19024 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19025 return; 19026 } 19027 19028 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19029 synchronized (mInstallLock) { 19030 synchronized (mPackages) { 19031 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19032 for (PackageSetting ps : packages) { 19033 if (ps.pkg == null) continue; 19034 19035 final ApplicationInfo info = ps.pkg.applicationInfo; 19036 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19037 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19038 19039 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19040 "unloadPrivatePackagesInner")) { 19041 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19042 false, null)) { 19043 unloaded.add(info); 19044 } else { 19045 Slog.w(TAG, "Failed to unload " + ps.codePath); 19046 } 19047 } 19048 } 19049 19050 mSettings.writeLPr(); 19051 } 19052 } 19053 19054 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19055 sendResourcesChangedBroadcast(false, false, unloaded, null); 19056 } 19057 19058 /** 19059 * Prepare storage areas for given user on all mounted devices. 19060 */ 19061 void prepareUserData(int userId, int userSerial, int flags) { 19062 synchronized (mInstallLock) { 19063 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19064 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19065 final String volumeUuid = vol.getFsUuid(); 19066 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19067 } 19068 } 19069 } 19070 19071 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19072 boolean allowRecover) { 19073 // Prepare storage and verify that serial numbers are consistent; if 19074 // there's a mismatch we need to destroy to avoid leaking data 19075 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19076 try { 19077 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19078 19079 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19080 UserManagerService.enforceSerialNumber( 19081 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19082 } 19083 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19084 UserManagerService.enforceSerialNumber( 19085 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19086 } 19087 19088 synchronized (mInstallLock) { 19089 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19090 } 19091 } catch (Exception e) { 19092 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19093 + " because we failed to prepare: " + e); 19094 destroyUserDataLI(volumeUuid, userId, 19095 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19096 19097 if (allowRecover) { 19098 // Try one last time; if we fail again we're really in trouble 19099 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19100 } 19101 } 19102 } 19103 19104 /** 19105 * Destroy storage areas for given user on all mounted devices. 19106 */ 19107 void destroyUserData(int userId, int flags) { 19108 synchronized (mInstallLock) { 19109 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19110 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19111 final String volumeUuid = vol.getFsUuid(); 19112 destroyUserDataLI(volumeUuid, userId, flags); 19113 } 19114 } 19115 } 19116 19117 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19118 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19119 try { 19120 // Clean up app data, profile data, and media data 19121 mInstaller.destroyUserData(volumeUuid, userId, flags); 19122 19123 // Clean up system data 19124 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19125 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19126 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19127 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19128 } 19129 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19130 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19131 } 19132 } 19133 19134 // Data with special labels is now gone, so finish the job 19135 storage.destroyUserStorage(volumeUuid, userId, flags); 19136 19137 } catch (Exception e) { 19138 logCriticalInfo(Log.WARN, 19139 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19140 } 19141 } 19142 19143 /** 19144 * Examine all users present on given mounted volume, and destroy data 19145 * belonging to users that are no longer valid, or whose user ID has been 19146 * recycled. 19147 */ 19148 private void reconcileUsers(String volumeUuid) { 19149 final List<File> files = new ArrayList<>(); 19150 Collections.addAll(files, FileUtils 19151 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19152 Collections.addAll(files, FileUtils 19153 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19154 for (File file : files) { 19155 if (!file.isDirectory()) continue; 19156 19157 final int userId; 19158 final UserInfo info; 19159 try { 19160 userId = Integer.parseInt(file.getName()); 19161 info = sUserManager.getUserInfo(userId); 19162 } catch (NumberFormatException e) { 19163 Slog.w(TAG, "Invalid user directory " + file); 19164 continue; 19165 } 19166 19167 boolean destroyUser = false; 19168 if (info == null) { 19169 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19170 + " because no matching user was found"); 19171 destroyUser = true; 19172 } else if (!mOnlyCore) { 19173 try { 19174 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19175 } catch (IOException e) { 19176 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19177 + " because we failed to enforce serial number: " + e); 19178 destroyUser = true; 19179 } 19180 } 19181 19182 if (destroyUser) { 19183 synchronized (mInstallLock) { 19184 destroyUserDataLI(volumeUuid, userId, 19185 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19186 } 19187 } 19188 } 19189 } 19190 19191 private void assertPackageKnown(String volumeUuid, String packageName) 19192 throws PackageManagerException { 19193 synchronized (mPackages) { 19194 final PackageSetting ps = mSettings.mPackages.get(packageName); 19195 if (ps == null) { 19196 throw new PackageManagerException("Package " + packageName + " is unknown"); 19197 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19198 throw new PackageManagerException( 19199 "Package " + packageName + " found on unknown volume " + volumeUuid 19200 + "; expected volume " + ps.volumeUuid); 19201 } 19202 } 19203 } 19204 19205 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19206 throws PackageManagerException { 19207 synchronized (mPackages) { 19208 final PackageSetting ps = mSettings.mPackages.get(packageName); 19209 if (ps == null) { 19210 throw new PackageManagerException("Package " + packageName + " is unknown"); 19211 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19212 throw new PackageManagerException( 19213 "Package " + packageName + " found on unknown volume " + volumeUuid 19214 + "; expected volume " + ps.volumeUuid); 19215 } else if (!ps.getInstalled(userId)) { 19216 throw new PackageManagerException( 19217 "Package " + packageName + " not installed for user " + userId); 19218 } 19219 } 19220 } 19221 19222 /** 19223 * Examine all apps present on given mounted volume, and destroy apps that 19224 * aren't expected, either due to uninstallation or reinstallation on 19225 * another volume. 19226 */ 19227 private void reconcileApps(String volumeUuid) { 19228 final File[] files = FileUtils 19229 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19230 for (File file : files) { 19231 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19232 && !PackageInstallerService.isStageName(file.getName()); 19233 if (!isPackage) { 19234 // Ignore entries which are not packages 19235 continue; 19236 } 19237 19238 try { 19239 final PackageLite pkg = PackageParser.parsePackageLite(file, 19240 PackageParser.PARSE_MUST_BE_APK); 19241 assertPackageKnown(volumeUuid, pkg.packageName); 19242 19243 } catch (PackageParserException | PackageManagerException e) { 19244 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19245 synchronized (mInstallLock) { 19246 removeCodePathLI(file); 19247 } 19248 } 19249 } 19250 } 19251 19252 /** 19253 * Reconcile all app data for the given user. 19254 * <p> 19255 * Verifies that directories exist and that ownership and labeling is 19256 * correct for all installed apps on all mounted volumes. 19257 */ 19258 void reconcileAppsData(int userId, int flags) { 19259 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19260 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19261 final String volumeUuid = vol.getFsUuid(); 19262 synchronized (mInstallLock) { 19263 reconcileAppsDataLI(volumeUuid, userId, flags); 19264 } 19265 } 19266 } 19267 19268 /** 19269 * Reconcile all app data on given mounted volume. 19270 * <p> 19271 * Destroys app data that isn't expected, either due to uninstallation or 19272 * reinstallation on another volume. 19273 * <p> 19274 * Verifies that directories exist and that ownership and labeling is 19275 * correct for all installed apps. 19276 */ 19277 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19278 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19279 + Integer.toHexString(flags)); 19280 19281 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19282 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19283 19284 boolean restoreconNeeded = false; 19285 19286 // First look for stale data that doesn't belong, and check if things 19287 // have changed since we did our last restorecon 19288 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19289 if (StorageManager.isFileEncryptedNativeOrEmulated() 19290 && !StorageManager.isUserKeyUnlocked(userId)) { 19291 throw new RuntimeException( 19292 "Yikes, someone asked us to reconcile CE storage while " + userId 19293 + " was still locked; this would have caused massive data loss!"); 19294 } 19295 19296 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19297 19298 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19299 for (File file : files) { 19300 final String packageName = file.getName(); 19301 try { 19302 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19303 } catch (PackageManagerException e) { 19304 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19305 try { 19306 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19307 StorageManager.FLAG_STORAGE_CE, 0); 19308 } catch (InstallerException e2) { 19309 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19310 } 19311 } 19312 } 19313 } 19314 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19315 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19316 19317 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19318 for (File file : files) { 19319 final String packageName = file.getName(); 19320 try { 19321 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19322 } catch (PackageManagerException e) { 19323 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19324 try { 19325 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19326 StorageManager.FLAG_STORAGE_DE, 0); 19327 } catch (InstallerException e2) { 19328 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19329 } 19330 } 19331 } 19332 } 19333 19334 // Ensure that data directories are ready to roll for all packages 19335 // installed for this volume and user 19336 final List<PackageSetting> packages; 19337 synchronized (mPackages) { 19338 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19339 } 19340 int preparedCount = 0; 19341 for (PackageSetting ps : packages) { 19342 final String packageName = ps.name; 19343 if (ps.pkg == null) { 19344 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19345 // TODO: might be due to legacy ASEC apps; we should circle back 19346 // and reconcile again once they're scanned 19347 continue; 19348 } 19349 19350 if (ps.getInstalled(userId)) { 19351 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19352 19353 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19354 // We may have just shuffled around app data directories, so 19355 // prepare them one more time 19356 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19357 } 19358 19359 preparedCount++; 19360 } 19361 } 19362 19363 if (restoreconNeeded) { 19364 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19365 SELinuxMMAC.setRestoreconDone(ceDir); 19366 } 19367 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19368 SELinuxMMAC.setRestoreconDone(deDir); 19369 } 19370 } 19371 19372 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19373 + " packages; restoreconNeeded was " + restoreconNeeded); 19374 } 19375 19376 /** 19377 * Prepare app data for the given app just after it was installed or 19378 * upgraded. This method carefully only touches users that it's installed 19379 * for, and it forces a restorecon to handle any seinfo changes. 19380 * <p> 19381 * Verifies that directories exist and that ownership and labeling is 19382 * correct for all installed apps. If there is an ownership mismatch, it 19383 * will try recovering system apps by wiping data; third-party app data is 19384 * left intact. 19385 * <p> 19386 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19387 */ 19388 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19389 final PackageSetting ps; 19390 synchronized (mPackages) { 19391 ps = mSettings.mPackages.get(pkg.packageName); 19392 mSettings.writeKernelMappingLPr(ps); 19393 } 19394 19395 final UserManager um = mContext.getSystemService(UserManager.class); 19396 for (UserInfo user : um.getUsers()) { 19397 final int flags; 19398 if (um.isUserUnlockingOrUnlocked(user.id)) { 19399 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19400 } else if (um.isUserRunning(user.id)) { 19401 flags = StorageManager.FLAG_STORAGE_DE; 19402 } else { 19403 continue; 19404 } 19405 19406 if (ps.getInstalled(user.id)) { 19407 // Whenever an app changes, force a restorecon of its data 19408 // TODO: when user data is locked, mark that we're still dirty 19409 prepareAppDataLIF(pkg, user.id, flags, true); 19410 } 19411 } 19412 } 19413 19414 /** 19415 * Prepare app data for the given app. 19416 * <p> 19417 * Verifies that directories exist and that ownership and labeling is 19418 * correct for all installed apps. If there is an ownership mismatch, this 19419 * will try recovering system apps by wiping data; third-party app data is 19420 * left intact. 19421 */ 19422 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19423 boolean restoreconNeeded) { 19424 if (pkg == null) { 19425 Slog.wtf(TAG, "Package was null!", new Throwable()); 19426 return; 19427 } 19428 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19429 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19430 for (int i = 0; i < childCount; i++) { 19431 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19432 } 19433 } 19434 19435 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19436 boolean restoreconNeeded) { 19437 if (DEBUG_APP_DATA) { 19438 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19439 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19440 } 19441 19442 final String volumeUuid = pkg.volumeUuid; 19443 final String packageName = pkg.packageName; 19444 final ApplicationInfo app = pkg.applicationInfo; 19445 final int appId = UserHandle.getAppId(app.uid); 19446 19447 Preconditions.checkNotNull(app.seinfo); 19448 19449 try { 19450 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19451 appId, app.seinfo, app.targetSdkVersion); 19452 } catch (InstallerException e) { 19453 if (app.isSystemApp()) { 19454 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19455 + ", but trying to recover: " + e); 19456 destroyAppDataLeafLIF(pkg, userId, flags); 19457 try { 19458 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19459 appId, app.seinfo, app.targetSdkVersion); 19460 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19461 } catch (InstallerException e2) { 19462 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19463 } 19464 } else { 19465 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19466 } 19467 } 19468 19469 if (restoreconNeeded) { 19470 try { 19471 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19472 app.seinfo); 19473 } catch (InstallerException e) { 19474 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19475 } 19476 } 19477 19478 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19479 try { 19480 // CE storage is unlocked right now, so read out the inode and 19481 // remember for use later when it's locked 19482 // TODO: mark this structure as dirty so we persist it! 19483 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19484 StorageManager.FLAG_STORAGE_CE); 19485 synchronized (mPackages) { 19486 final PackageSetting ps = mSettings.mPackages.get(packageName); 19487 if (ps != null) { 19488 ps.setCeDataInode(ceDataInode, userId); 19489 } 19490 } 19491 } catch (InstallerException e) { 19492 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19493 } 19494 } 19495 19496 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19497 } 19498 19499 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19500 if (pkg == null) { 19501 Slog.wtf(TAG, "Package was null!", new Throwable()); 19502 return; 19503 } 19504 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19505 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19506 for (int i = 0; i < childCount; i++) { 19507 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19508 } 19509 } 19510 19511 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19512 final String volumeUuid = pkg.volumeUuid; 19513 final String packageName = pkg.packageName; 19514 final ApplicationInfo app = pkg.applicationInfo; 19515 19516 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19517 // Create a native library symlink only if we have native libraries 19518 // and if the native libraries are 32 bit libraries. We do not provide 19519 // this symlink for 64 bit libraries. 19520 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19521 final String nativeLibPath = app.nativeLibraryDir; 19522 try { 19523 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19524 nativeLibPath, userId); 19525 } catch (InstallerException e) { 19526 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19527 } 19528 } 19529 } 19530 } 19531 19532 /** 19533 * For system apps on non-FBE devices, this method migrates any existing 19534 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19535 * requested by the app. 19536 */ 19537 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19538 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19539 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19540 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19541 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19542 try { 19543 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19544 storageTarget); 19545 } catch (InstallerException e) { 19546 logCriticalInfo(Log.WARN, 19547 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19548 } 19549 return true; 19550 } else { 19551 return false; 19552 } 19553 } 19554 19555 public PackageFreezer freezePackage(String packageName, String killReason) { 19556 return new PackageFreezer(packageName, killReason); 19557 } 19558 19559 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19560 String killReason) { 19561 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19562 return new PackageFreezer(); 19563 } else { 19564 return freezePackage(packageName, killReason); 19565 } 19566 } 19567 19568 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19569 String killReason) { 19570 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19571 return new PackageFreezer(); 19572 } else { 19573 return freezePackage(packageName, killReason); 19574 } 19575 } 19576 19577 /** 19578 * Class that freezes and kills the given package upon creation, and 19579 * unfreezes it upon closing. This is typically used when doing surgery on 19580 * app code/data to prevent the app from running while you're working. 19581 */ 19582 private class PackageFreezer implements AutoCloseable { 19583 private final String mPackageName; 19584 private final PackageFreezer[] mChildren; 19585 19586 private final boolean mWeFroze; 19587 19588 private final AtomicBoolean mClosed = new AtomicBoolean(); 19589 private final CloseGuard mCloseGuard = CloseGuard.get(); 19590 19591 /** 19592 * Create and return a stub freezer that doesn't actually do anything, 19593 * typically used when someone requested 19594 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19595 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19596 */ 19597 public PackageFreezer() { 19598 mPackageName = null; 19599 mChildren = null; 19600 mWeFroze = false; 19601 mCloseGuard.open("close"); 19602 } 19603 19604 public PackageFreezer(String packageName, String killReason) { 19605 synchronized (mPackages) { 19606 mPackageName = packageName; 19607 mWeFroze = mFrozenPackages.add(mPackageName); 19608 19609 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19610 if (ps != null) { 19611 killApplication(ps.name, ps.appId, killReason); 19612 } 19613 19614 final PackageParser.Package p = mPackages.get(packageName); 19615 if (p != null && p.childPackages != null) { 19616 final int N = p.childPackages.size(); 19617 mChildren = new PackageFreezer[N]; 19618 for (int i = 0; i < N; i++) { 19619 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19620 killReason); 19621 } 19622 } else { 19623 mChildren = null; 19624 } 19625 } 19626 mCloseGuard.open("close"); 19627 } 19628 19629 @Override 19630 protected void finalize() throws Throwable { 19631 try { 19632 mCloseGuard.warnIfOpen(); 19633 close(); 19634 } finally { 19635 super.finalize(); 19636 } 19637 } 19638 19639 @Override 19640 public void close() { 19641 mCloseGuard.close(); 19642 if (mClosed.compareAndSet(false, true)) { 19643 synchronized (mPackages) { 19644 if (mWeFroze) { 19645 mFrozenPackages.remove(mPackageName); 19646 } 19647 19648 if (mChildren != null) { 19649 for (PackageFreezer freezer : mChildren) { 19650 freezer.close(); 19651 } 19652 } 19653 } 19654 } 19655 } 19656 } 19657 19658 /** 19659 * Verify that given package is currently frozen. 19660 */ 19661 private void checkPackageFrozen(String packageName) { 19662 synchronized (mPackages) { 19663 if (!mFrozenPackages.contains(packageName)) { 19664 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19665 } 19666 } 19667 } 19668 19669 @Override 19670 public int movePackage(final String packageName, final String volumeUuid) { 19671 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19672 19673 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19674 final int moveId = mNextMoveId.getAndIncrement(); 19675 mHandler.post(new Runnable() { 19676 @Override 19677 public void run() { 19678 try { 19679 movePackageInternal(packageName, volumeUuid, moveId, user); 19680 } catch (PackageManagerException e) { 19681 Slog.w(TAG, "Failed to move " + packageName, e); 19682 mMoveCallbacks.notifyStatusChanged(moveId, 19683 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19684 } 19685 } 19686 }); 19687 return moveId; 19688 } 19689 19690 private void movePackageInternal(final String packageName, final String volumeUuid, 19691 final int moveId, UserHandle user) throws PackageManagerException { 19692 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19693 final PackageManager pm = mContext.getPackageManager(); 19694 19695 final boolean currentAsec; 19696 final String currentVolumeUuid; 19697 final File codeFile; 19698 final String installerPackageName; 19699 final String packageAbiOverride; 19700 final int appId; 19701 final String seinfo; 19702 final String label; 19703 final int targetSdkVersion; 19704 final PackageFreezer freezer; 19705 final int[] installedUserIds; 19706 19707 // reader 19708 synchronized (mPackages) { 19709 final PackageParser.Package pkg = mPackages.get(packageName); 19710 final PackageSetting ps = mSettings.mPackages.get(packageName); 19711 if (pkg == null || ps == null) { 19712 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19713 } 19714 19715 if (pkg.applicationInfo.isSystemApp()) { 19716 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19717 "Cannot move system application"); 19718 } 19719 19720 if (pkg.applicationInfo.isExternalAsec()) { 19721 currentAsec = true; 19722 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19723 } else if (pkg.applicationInfo.isForwardLocked()) { 19724 currentAsec = true; 19725 currentVolumeUuid = "forward_locked"; 19726 } else { 19727 currentAsec = false; 19728 currentVolumeUuid = ps.volumeUuid; 19729 19730 final File probe = new File(pkg.codePath); 19731 final File probeOat = new File(probe, "oat"); 19732 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19733 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19734 "Move only supported for modern cluster style installs"); 19735 } 19736 } 19737 19738 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19739 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19740 "Package already moved to " + volumeUuid); 19741 } 19742 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19743 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19744 "Device admin cannot be moved"); 19745 } 19746 19747 if (mFrozenPackages.contains(packageName)) { 19748 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19749 "Failed to move already frozen package"); 19750 } 19751 19752 codeFile = new File(pkg.codePath); 19753 installerPackageName = ps.installerPackageName; 19754 packageAbiOverride = ps.cpuAbiOverrideString; 19755 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19756 seinfo = pkg.applicationInfo.seinfo; 19757 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19758 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19759 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19760 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 19761 } 19762 19763 final Bundle extras = new Bundle(); 19764 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19765 extras.putString(Intent.EXTRA_TITLE, label); 19766 mMoveCallbacks.notifyCreated(moveId, extras); 19767 19768 int installFlags; 19769 final boolean moveCompleteApp; 19770 final File measurePath; 19771 19772 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19773 installFlags = INSTALL_INTERNAL; 19774 moveCompleteApp = !currentAsec; 19775 measurePath = Environment.getDataAppDirectory(volumeUuid); 19776 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19777 installFlags = INSTALL_EXTERNAL; 19778 moveCompleteApp = false; 19779 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19780 } else { 19781 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19782 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19783 || !volume.isMountedWritable()) { 19784 freezer.close(); 19785 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19786 "Move location not mounted private volume"); 19787 } 19788 19789 Preconditions.checkState(!currentAsec); 19790 19791 installFlags = INSTALL_INTERNAL; 19792 moveCompleteApp = true; 19793 measurePath = Environment.getDataAppDirectory(volumeUuid); 19794 } 19795 19796 final PackageStats stats = new PackageStats(null, -1); 19797 synchronized (mInstaller) { 19798 for (int userId : installedUserIds) { 19799 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 19800 freezer.close(); 19801 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19802 "Failed to measure package size"); 19803 } 19804 } 19805 } 19806 19807 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19808 + stats.dataSize); 19809 19810 final long startFreeBytes = measurePath.getFreeSpace(); 19811 final long sizeBytes; 19812 if (moveCompleteApp) { 19813 sizeBytes = stats.codeSize + stats.dataSize; 19814 } else { 19815 sizeBytes = stats.codeSize; 19816 } 19817 19818 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19819 freezer.close(); 19820 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19821 "Not enough free space to move"); 19822 } 19823 19824 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19825 19826 final CountDownLatch installedLatch = new CountDownLatch(1); 19827 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19828 @Override 19829 public void onUserActionRequired(Intent intent) throws RemoteException { 19830 throw new IllegalStateException(); 19831 } 19832 19833 @Override 19834 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19835 Bundle extras) throws RemoteException { 19836 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19837 + PackageManager.installStatusToString(returnCode, msg)); 19838 19839 installedLatch.countDown(); 19840 freezer.close(); 19841 19842 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19843 switch (status) { 19844 case PackageInstaller.STATUS_SUCCESS: 19845 mMoveCallbacks.notifyStatusChanged(moveId, 19846 PackageManager.MOVE_SUCCEEDED); 19847 break; 19848 case PackageInstaller.STATUS_FAILURE_STORAGE: 19849 mMoveCallbacks.notifyStatusChanged(moveId, 19850 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19851 break; 19852 default: 19853 mMoveCallbacks.notifyStatusChanged(moveId, 19854 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19855 break; 19856 } 19857 } 19858 }; 19859 19860 final MoveInfo move; 19861 if (moveCompleteApp) { 19862 // Kick off a thread to report progress estimates 19863 new Thread() { 19864 @Override 19865 public void run() { 19866 while (true) { 19867 try { 19868 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19869 break; 19870 } 19871 } catch (InterruptedException ignored) { 19872 } 19873 19874 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19875 final int progress = 10 + (int) MathUtils.constrain( 19876 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19877 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19878 } 19879 } 19880 }.start(); 19881 19882 final String dataAppName = codeFile.getName(); 19883 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19884 dataAppName, appId, seinfo, targetSdkVersion); 19885 } else { 19886 move = null; 19887 } 19888 19889 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19890 19891 final Message msg = mHandler.obtainMessage(INIT_COPY); 19892 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19893 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19894 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19895 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19896 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19897 msg.obj = params; 19898 19899 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19900 System.identityHashCode(msg.obj)); 19901 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19902 System.identityHashCode(msg.obj)); 19903 19904 mHandler.sendMessage(msg); 19905 } 19906 19907 @Override 19908 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19909 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19910 19911 final int realMoveId = mNextMoveId.getAndIncrement(); 19912 final Bundle extras = new Bundle(); 19913 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19914 mMoveCallbacks.notifyCreated(realMoveId, extras); 19915 19916 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19917 @Override 19918 public void onCreated(int moveId, Bundle extras) { 19919 // Ignored 19920 } 19921 19922 @Override 19923 public void onStatusChanged(int moveId, int status, long estMillis) { 19924 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19925 } 19926 }; 19927 19928 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19929 storage.setPrimaryStorageUuid(volumeUuid, callback); 19930 return realMoveId; 19931 } 19932 19933 @Override 19934 public int getMoveStatus(int moveId) { 19935 mContext.enforceCallingOrSelfPermission( 19936 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19937 return mMoveCallbacks.mLastStatus.get(moveId); 19938 } 19939 19940 @Override 19941 public void registerMoveCallback(IPackageMoveObserver callback) { 19942 mContext.enforceCallingOrSelfPermission( 19943 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19944 mMoveCallbacks.register(callback); 19945 } 19946 19947 @Override 19948 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19949 mContext.enforceCallingOrSelfPermission( 19950 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19951 mMoveCallbacks.unregister(callback); 19952 } 19953 19954 @Override 19955 public boolean setInstallLocation(int loc) { 19956 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19957 null); 19958 if (getInstallLocation() == loc) { 19959 return true; 19960 } 19961 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19962 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19963 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19964 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19965 return true; 19966 } 19967 return false; 19968 } 19969 19970 @Override 19971 public int getInstallLocation() { 19972 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19973 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19974 PackageHelper.APP_INSTALL_AUTO); 19975 } 19976 19977 /** Called by UserManagerService */ 19978 void cleanUpUser(UserManagerService userManager, int userHandle) { 19979 synchronized (mPackages) { 19980 mDirtyUsers.remove(userHandle); 19981 mUserNeedsBadging.delete(userHandle); 19982 mSettings.removeUserLPw(userHandle); 19983 mPendingBroadcasts.remove(userHandle); 19984 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19985 removeUnusedPackagesLPw(userManager, userHandle); 19986 } 19987 } 19988 19989 /** 19990 * We're removing userHandle and would like to remove any downloaded packages 19991 * that are no longer in use by any other user. 19992 * @param userHandle the user being removed 19993 */ 19994 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 19995 final boolean DEBUG_CLEAN_APKS = false; 19996 int [] users = userManager.getUserIds(); 19997 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19998 while (psit.hasNext()) { 19999 PackageSetting ps = psit.next(); 20000 if (ps.pkg == null) { 20001 continue; 20002 } 20003 final String packageName = ps.pkg.packageName; 20004 // Skip over if system app 20005 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20006 continue; 20007 } 20008 if (DEBUG_CLEAN_APKS) { 20009 Slog.i(TAG, "Checking package " + packageName); 20010 } 20011 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20012 if (keep) { 20013 if (DEBUG_CLEAN_APKS) { 20014 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20015 } 20016 } else { 20017 for (int i = 0; i < users.length; i++) { 20018 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20019 keep = true; 20020 if (DEBUG_CLEAN_APKS) { 20021 Slog.i(TAG, " Keeping package " + packageName + " for user " 20022 + users[i]); 20023 } 20024 break; 20025 } 20026 } 20027 } 20028 if (!keep) { 20029 if (DEBUG_CLEAN_APKS) { 20030 Slog.i(TAG, " Removing package " + packageName); 20031 } 20032 mHandler.post(new Runnable() { 20033 public void run() { 20034 deletePackageX(packageName, userHandle, 0); 20035 } //end run 20036 }); 20037 } 20038 } 20039 } 20040 20041 /** Called by UserManagerService */ 20042 void createNewUser(int userHandle) { 20043 synchronized (mInstallLock) { 20044 mSettings.createNewUserLI(this, mInstaller, userHandle); 20045 } 20046 synchronized (mPackages) { 20047 applyFactoryDefaultBrowserLPw(userHandle); 20048 primeDomainVerificationsLPw(userHandle); 20049 } 20050 } 20051 20052 void onBeforeUserStartUninitialized(final int userId) { 20053 synchronized (mPackages) { 20054 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20055 return; 20056 } 20057 } 20058 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20059 // If permission review for legacy apps is required, we represent 20060 // dagerous permissions for such apps as always granted runtime 20061 // permissions to keep per user flag state whether review is needed. 20062 // Hence, if a new user is added we have to propagate dangerous 20063 // permission grants for these legacy apps. 20064 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20065 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20066 | UPDATE_PERMISSIONS_REPLACE_ALL); 20067 } 20068 } 20069 20070 @Override 20071 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20072 mContext.enforceCallingOrSelfPermission( 20073 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20074 "Only package verification agents can read the verifier device identity"); 20075 20076 synchronized (mPackages) { 20077 return mSettings.getVerifierDeviceIdentityLPw(); 20078 } 20079 } 20080 20081 @Override 20082 public void setPermissionEnforced(String permission, boolean enforced) { 20083 // TODO: Now that we no longer change GID for storage, this should to away. 20084 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20085 "setPermissionEnforced"); 20086 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20087 synchronized (mPackages) { 20088 if (mSettings.mReadExternalStorageEnforced == null 20089 || mSettings.mReadExternalStorageEnforced != enforced) { 20090 mSettings.mReadExternalStorageEnforced = enforced; 20091 mSettings.writeLPr(); 20092 } 20093 } 20094 // kill any non-foreground processes so we restart them and 20095 // grant/revoke the GID. 20096 final IActivityManager am = ActivityManagerNative.getDefault(); 20097 if (am != null) { 20098 final long token = Binder.clearCallingIdentity(); 20099 try { 20100 am.killProcessesBelowForeground("setPermissionEnforcement"); 20101 } catch (RemoteException e) { 20102 } finally { 20103 Binder.restoreCallingIdentity(token); 20104 } 20105 } 20106 } else { 20107 throw new IllegalArgumentException("No selective enforcement for " + permission); 20108 } 20109 } 20110 20111 @Override 20112 @Deprecated 20113 public boolean isPermissionEnforced(String permission) { 20114 return true; 20115 } 20116 20117 @Override 20118 public boolean isStorageLow() { 20119 final long token = Binder.clearCallingIdentity(); 20120 try { 20121 final DeviceStorageMonitorInternal 20122 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20123 if (dsm != null) { 20124 return dsm.isMemoryLow(); 20125 } else { 20126 return false; 20127 } 20128 } finally { 20129 Binder.restoreCallingIdentity(token); 20130 } 20131 } 20132 20133 @Override 20134 public IPackageInstaller getPackageInstaller() { 20135 return mInstallerService; 20136 } 20137 20138 private boolean userNeedsBadging(int userId) { 20139 int index = mUserNeedsBadging.indexOfKey(userId); 20140 if (index < 0) { 20141 final UserInfo userInfo; 20142 final long token = Binder.clearCallingIdentity(); 20143 try { 20144 userInfo = sUserManager.getUserInfo(userId); 20145 } finally { 20146 Binder.restoreCallingIdentity(token); 20147 } 20148 final boolean b; 20149 if (userInfo != null && userInfo.isManagedProfile()) { 20150 b = true; 20151 } else { 20152 b = false; 20153 } 20154 mUserNeedsBadging.put(userId, b); 20155 return b; 20156 } 20157 return mUserNeedsBadging.valueAt(index); 20158 } 20159 20160 @Override 20161 public KeySet getKeySetByAlias(String packageName, String alias) { 20162 if (packageName == null || alias == null) { 20163 return null; 20164 } 20165 synchronized(mPackages) { 20166 final PackageParser.Package pkg = mPackages.get(packageName); 20167 if (pkg == null) { 20168 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20169 throw new IllegalArgumentException("Unknown package: " + packageName); 20170 } 20171 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20172 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20173 } 20174 } 20175 20176 @Override 20177 public KeySet getSigningKeySet(String packageName) { 20178 if (packageName == null) { 20179 return null; 20180 } 20181 synchronized(mPackages) { 20182 final PackageParser.Package pkg = mPackages.get(packageName); 20183 if (pkg == null) { 20184 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20185 throw new IllegalArgumentException("Unknown package: " + packageName); 20186 } 20187 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20188 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20189 throw new SecurityException("May not access signing KeySet of other apps."); 20190 } 20191 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20192 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20193 } 20194 } 20195 20196 @Override 20197 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20198 if (packageName == null || ks == null) { 20199 return false; 20200 } 20201 synchronized(mPackages) { 20202 final PackageParser.Package pkg = mPackages.get(packageName); 20203 if (pkg == null) { 20204 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20205 throw new IllegalArgumentException("Unknown package: " + packageName); 20206 } 20207 IBinder ksh = ks.getToken(); 20208 if (ksh instanceof KeySetHandle) { 20209 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20210 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20211 } 20212 return false; 20213 } 20214 } 20215 20216 @Override 20217 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20218 if (packageName == null || ks == null) { 20219 return false; 20220 } 20221 synchronized(mPackages) { 20222 final PackageParser.Package pkg = mPackages.get(packageName); 20223 if (pkg == null) { 20224 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20225 throw new IllegalArgumentException("Unknown package: " + packageName); 20226 } 20227 IBinder ksh = ks.getToken(); 20228 if (ksh instanceof KeySetHandle) { 20229 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20230 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20231 } 20232 return false; 20233 } 20234 } 20235 20236 private void deletePackageIfUnusedLPr(final String packageName) { 20237 PackageSetting ps = mSettings.mPackages.get(packageName); 20238 if (ps == null) { 20239 return; 20240 } 20241 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20242 // TODO Implement atomic delete if package is unused 20243 // It is currently possible that the package will be deleted even if it is installed 20244 // after this method returns. 20245 mHandler.post(new Runnable() { 20246 public void run() { 20247 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20248 } 20249 }); 20250 } 20251 } 20252 20253 /** 20254 * Check and throw if the given before/after packages would be considered a 20255 * downgrade. 20256 */ 20257 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20258 throws PackageManagerException { 20259 if (after.versionCode < before.mVersionCode) { 20260 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20261 "Update version code " + after.versionCode + " is older than current " 20262 + before.mVersionCode); 20263 } else if (after.versionCode == before.mVersionCode) { 20264 if (after.baseRevisionCode < before.baseRevisionCode) { 20265 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20266 "Update base revision code " + after.baseRevisionCode 20267 + " is older than current " + before.baseRevisionCode); 20268 } 20269 20270 if (!ArrayUtils.isEmpty(after.splitNames)) { 20271 for (int i = 0; i < after.splitNames.length; i++) { 20272 final String splitName = after.splitNames[i]; 20273 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20274 if (j != -1) { 20275 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20276 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20277 "Update split " + splitName + " revision code " 20278 + after.splitRevisionCodes[i] + " is older than current " 20279 + before.splitRevisionCodes[j]); 20280 } 20281 } 20282 } 20283 } 20284 } 20285 } 20286 20287 private static class MoveCallbacks extends Handler { 20288 private static final int MSG_CREATED = 1; 20289 private static final int MSG_STATUS_CHANGED = 2; 20290 20291 private final RemoteCallbackList<IPackageMoveObserver> 20292 mCallbacks = new RemoteCallbackList<>(); 20293 20294 private final SparseIntArray mLastStatus = new SparseIntArray(); 20295 20296 public MoveCallbacks(Looper looper) { 20297 super(looper); 20298 } 20299 20300 public void register(IPackageMoveObserver callback) { 20301 mCallbacks.register(callback); 20302 } 20303 20304 public void unregister(IPackageMoveObserver callback) { 20305 mCallbacks.unregister(callback); 20306 } 20307 20308 @Override 20309 public void handleMessage(Message msg) { 20310 final SomeArgs args = (SomeArgs) msg.obj; 20311 final int n = mCallbacks.beginBroadcast(); 20312 for (int i = 0; i < n; i++) { 20313 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20314 try { 20315 invokeCallback(callback, msg.what, args); 20316 } catch (RemoteException ignored) { 20317 } 20318 } 20319 mCallbacks.finishBroadcast(); 20320 args.recycle(); 20321 } 20322 20323 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20324 throws RemoteException { 20325 switch (what) { 20326 case MSG_CREATED: { 20327 callback.onCreated(args.argi1, (Bundle) args.arg2); 20328 break; 20329 } 20330 case MSG_STATUS_CHANGED: { 20331 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20332 break; 20333 } 20334 } 20335 } 20336 20337 private void notifyCreated(int moveId, Bundle extras) { 20338 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20339 20340 final SomeArgs args = SomeArgs.obtain(); 20341 args.argi1 = moveId; 20342 args.arg2 = extras; 20343 obtainMessage(MSG_CREATED, args).sendToTarget(); 20344 } 20345 20346 private void notifyStatusChanged(int moveId, int status) { 20347 notifyStatusChanged(moveId, status, -1); 20348 } 20349 20350 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20351 Slog.v(TAG, "Move " + moveId + " status " + status); 20352 20353 final SomeArgs args = SomeArgs.obtain(); 20354 args.argi1 = moveId; 20355 args.argi2 = status; 20356 args.arg3 = estMillis; 20357 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20358 20359 synchronized (mLastStatus) { 20360 mLastStatus.put(moveId, status); 20361 } 20362 } 20363 } 20364 20365 private final static class OnPermissionChangeListeners extends Handler { 20366 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20367 20368 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20369 new RemoteCallbackList<>(); 20370 20371 public OnPermissionChangeListeners(Looper looper) { 20372 super(looper); 20373 } 20374 20375 @Override 20376 public void handleMessage(Message msg) { 20377 switch (msg.what) { 20378 case MSG_ON_PERMISSIONS_CHANGED: { 20379 final int uid = msg.arg1; 20380 handleOnPermissionsChanged(uid); 20381 } break; 20382 } 20383 } 20384 20385 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20386 mPermissionListeners.register(listener); 20387 20388 } 20389 20390 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20391 mPermissionListeners.unregister(listener); 20392 } 20393 20394 public void onPermissionsChanged(int uid) { 20395 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20396 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20397 } 20398 } 20399 20400 private void handleOnPermissionsChanged(int uid) { 20401 final int count = mPermissionListeners.beginBroadcast(); 20402 try { 20403 for (int i = 0; i < count; i++) { 20404 IOnPermissionsChangeListener callback = mPermissionListeners 20405 .getBroadcastItem(i); 20406 try { 20407 callback.onPermissionsChanged(uid); 20408 } catch (RemoteException e) { 20409 Log.e(TAG, "Permission listener is dead", e); 20410 } 20411 } 20412 } finally { 20413 mPermissionListeners.finishBroadcast(); 20414 } 20415 } 20416 } 20417 20418 private class PackageManagerInternalImpl extends PackageManagerInternal { 20419 @Override 20420 public void setLocationPackagesProvider(PackagesProvider provider) { 20421 synchronized (mPackages) { 20422 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20423 } 20424 } 20425 20426 @Override 20427 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20428 synchronized (mPackages) { 20429 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20430 } 20431 } 20432 20433 @Override 20434 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20435 synchronized (mPackages) { 20436 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20437 } 20438 } 20439 20440 @Override 20441 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20442 synchronized (mPackages) { 20443 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20444 } 20445 } 20446 20447 @Override 20448 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20449 synchronized (mPackages) { 20450 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20451 } 20452 } 20453 20454 @Override 20455 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20456 synchronized (mPackages) { 20457 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20458 } 20459 } 20460 20461 @Override 20462 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20463 synchronized (mPackages) { 20464 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20465 packageName, userId); 20466 } 20467 } 20468 20469 @Override 20470 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20471 synchronized (mPackages) { 20472 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20473 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20474 packageName, userId); 20475 } 20476 } 20477 20478 @Override 20479 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20480 synchronized (mPackages) { 20481 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20482 packageName, userId); 20483 } 20484 } 20485 20486 @Override 20487 public void setKeepUninstalledPackages(final List<String> packageList) { 20488 Preconditions.checkNotNull(packageList); 20489 List<String> removedFromList = null; 20490 synchronized (mPackages) { 20491 if (mKeepUninstalledPackages != null) { 20492 final int packagesCount = mKeepUninstalledPackages.size(); 20493 for (int i = 0; i < packagesCount; i++) { 20494 String oldPackage = mKeepUninstalledPackages.get(i); 20495 if (packageList != null && packageList.contains(oldPackage)) { 20496 continue; 20497 } 20498 if (removedFromList == null) { 20499 removedFromList = new ArrayList<>(); 20500 } 20501 removedFromList.add(oldPackage); 20502 } 20503 } 20504 mKeepUninstalledPackages = new ArrayList<>(packageList); 20505 if (removedFromList != null) { 20506 final int removedCount = removedFromList.size(); 20507 for (int i = 0; i < removedCount; i++) { 20508 deletePackageIfUnusedLPr(removedFromList.get(i)); 20509 } 20510 } 20511 } 20512 } 20513 20514 @Override 20515 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20516 synchronized (mPackages) { 20517 // If we do not support permission review, done. 20518 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20519 return false; 20520 } 20521 20522 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20523 if (packageSetting == null) { 20524 return false; 20525 } 20526 20527 // Permission review applies only to apps not supporting the new permission model. 20528 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20529 return false; 20530 } 20531 20532 // Legacy apps have the permission and get user consent on launch. 20533 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20534 return permissionsState.isPermissionReviewRequired(userId); 20535 } 20536 } 20537 20538 @Override 20539 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20540 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20541 } 20542 20543 @Override 20544 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20545 int userId) { 20546 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20547 } 20548 } 20549 20550 @Override 20551 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20552 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20553 synchronized (mPackages) { 20554 final long identity = Binder.clearCallingIdentity(); 20555 try { 20556 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20557 packageNames, userId); 20558 } finally { 20559 Binder.restoreCallingIdentity(identity); 20560 } 20561 } 20562 } 20563 20564 private static void enforceSystemOrPhoneCaller(String tag) { 20565 int callingUid = Binder.getCallingUid(); 20566 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20567 throw new SecurityException( 20568 "Cannot call " + tag + " from UID " + callingUid); 20569 } 20570 } 20571 20572 boolean isHistoricalPackageUsageAvailable() { 20573 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20574 } 20575 20576 /** 20577 * Return a <b>copy</b> of the collection of packages known to the package manager. 20578 * @return A copy of the values of mPackages. 20579 */ 20580 Collection<PackageParser.Package> getPackages() { 20581 synchronized (mPackages) { 20582 return new ArrayList<>(mPackages.values()); 20583 } 20584 } 20585 20586 /** 20587 * Logs process start information (including base APK hash) to the security log. 20588 * @hide 20589 */ 20590 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20591 String apkFile, int pid) { 20592 if (!SecurityLog.isLoggingEnabled()) { 20593 return; 20594 } 20595 Bundle data = new Bundle(); 20596 data.putLong("startTimestamp", System.currentTimeMillis()); 20597 data.putString("processName", processName); 20598 data.putInt("uid", uid); 20599 data.putString("seinfo", seinfo); 20600 data.putString("apkFile", apkFile); 20601 data.putInt("pid", pid); 20602 Message msg = mProcessLoggingHandler.obtainMessage( 20603 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20604 msg.setData(data); 20605 mProcessLoggingHandler.sendMessage(msg); 20606 } 20607} 20608