PackageManagerService.java revision 5e10e8f1b2126f031b976b853c3f150418f3b342
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_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 46import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 47import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 66import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 67import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 68import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 69import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 70import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 71import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 72import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 73import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 74import static android.content.pm.PackageManager.PERMISSION_DENIED; 75import static android.content.pm.PackageManager.PERMISSION_GRANTED; 76import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 77import static android.content.pm.PackageParser.isApkFile; 78import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 79import static android.system.OsConstants.O_CREAT; 80import static android.system.OsConstants.O_RDWR; 81 82import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 84import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 85import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 86import static com.android.internal.util.ArrayUtils.appendInt; 87import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 88import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 89import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 91import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 92import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 93import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.ResourcesManager; 107import android.app.admin.IDevicePolicyManager; 108import android.app.admin.SecurityLog; 109import android.app.backup.IBackupManager; 110import android.content.BroadcastReceiver; 111import android.content.ComponentName; 112import android.content.ContentResolver; 113import android.content.Context; 114import android.content.IIntentReceiver; 115import android.content.Intent; 116import android.content.IntentFilter; 117import android.content.IntentSender; 118import android.content.IntentSender.SendIntentException; 119import android.content.ServiceConnection; 120import android.content.pm.ActivityInfo; 121import android.content.pm.ApplicationInfo; 122import android.content.pm.AppsQueryHelper; 123import android.content.pm.ComponentInfo; 124import android.content.pm.EphemeralApplicationInfo; 125import android.content.pm.EphemeralIntentFilter; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 128import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 129import android.content.pm.FeatureInfo; 130import android.content.pm.IOnPermissionsChangeListener; 131import android.content.pm.IPackageDataObserver; 132import android.content.pm.IPackageDeleteObserver; 133import android.content.pm.IPackageDeleteObserver2; 134import android.content.pm.IPackageInstallObserver2; 135import android.content.pm.IPackageInstaller; 136import android.content.pm.IPackageManager; 137import android.content.pm.IPackageMoveObserver; 138import android.content.pm.IPackageStatsObserver; 139import android.content.pm.InstrumentationInfo; 140import android.content.pm.IntentFilterVerificationInfo; 141import android.content.pm.KeySet; 142import android.content.pm.PackageCleanItem; 143import android.content.pm.PackageInfo; 144import android.content.pm.PackageInfoLite; 145import android.content.pm.PackageInstaller; 146import android.content.pm.PackageManager; 147import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 148import android.content.pm.PackageManagerInternal; 149import android.content.pm.PackageParser; 150import android.content.pm.PackageParser.ActivityIntentInfo; 151import android.content.pm.PackageParser.PackageLite; 152import android.content.pm.PackageParser.PackageParserException; 153import android.content.pm.PackageStats; 154import android.content.pm.PackageUserState; 155import android.content.pm.ParceledListSlice; 156import android.content.pm.PermissionGroupInfo; 157import android.content.pm.PermissionInfo; 158import android.content.pm.ProviderInfo; 159import android.content.pm.ResolveInfo; 160import android.content.pm.ServiceInfo; 161import android.content.pm.Signature; 162import android.content.pm.UserInfo; 163import android.content.pm.VerifierDeviceIdentity; 164import android.content.pm.VerifierInfo; 165import android.content.res.Resources; 166import android.graphics.Bitmap; 167import android.hardware.display.DisplayManager; 168import android.net.Uri; 169import android.os.Binder; 170import android.os.Build; 171import android.os.Bundle; 172import android.os.Debug; 173import android.os.Environment; 174import android.os.Environment.UserEnvironment; 175import android.os.FileUtils; 176import android.os.Handler; 177import android.os.IBinder; 178import android.os.Looper; 179import android.os.Message; 180import android.os.Parcel; 181import android.os.ParcelFileDescriptor; 182import android.os.PatternMatcher; 183import android.os.Process; 184import android.os.RemoteCallbackList; 185import android.os.RemoteException; 186import android.os.ResultReceiver; 187import android.os.SELinux; 188import android.os.ServiceManager; 189import android.os.ShellCallback; 190import android.os.SystemClock; 191import android.os.SystemProperties; 192import android.os.Trace; 193import android.os.UserHandle; 194import android.os.UserManager; 195import android.os.UserManagerInternal; 196import android.os.storage.IMountService; 197import android.os.storage.MountServiceInternal; 198import android.os.storage.StorageEventListener; 199import android.os.storage.StorageManager; 200import android.os.storage.VolumeInfo; 201import android.os.storage.VolumeRecord; 202import android.provider.Settings.Global; 203import android.provider.Settings.Secure; 204import android.security.KeyStore; 205import android.security.SystemKeyStore; 206import android.system.ErrnoException; 207import android.system.Os; 208import android.text.TextUtils; 209import android.text.format.DateUtils; 210import android.util.ArrayMap; 211import android.util.ArraySet; 212import android.util.Base64; 213import android.util.DisplayMetrics; 214import android.util.EventLog; 215import android.util.ExceptionUtils; 216import android.util.Log; 217import android.util.LogPrinter; 218import android.util.MathUtils; 219import android.util.Pair; 220import android.util.PrintStreamPrinter; 221import android.util.Slog; 222import android.util.SparseArray; 223import android.util.SparseBooleanArray; 224import android.util.SparseIntArray; 225import android.util.Xml; 226import android.util.jar.StrictJarFile; 227import android.view.Display; 228 229import com.android.internal.R; 230import com.android.internal.annotations.GuardedBy; 231import com.android.internal.app.IMediaContainerService; 232import com.android.internal.app.ResolverActivity; 233import com.android.internal.content.NativeLibraryHelper; 234import com.android.internal.content.PackageHelper; 235import com.android.internal.logging.MetricsLogger; 236import com.android.internal.os.IParcelFileDescriptorFactory; 237import com.android.internal.os.InstallerConnection.InstallerException; 238import com.android.internal.os.SomeArgs; 239import com.android.internal.os.Zygote; 240import com.android.internal.telephony.CarrierAppUtils; 241import com.android.internal.util.ArrayUtils; 242import com.android.internal.util.FastPrintWriter; 243import com.android.internal.util.FastXmlSerializer; 244import com.android.internal.util.IndentingPrintWriter; 245import com.android.internal.util.Preconditions; 246import com.android.internal.util.XmlUtils; 247import com.android.server.AttributeCache; 248import com.android.server.EventLogTags; 249import com.android.server.FgThread; 250import com.android.server.IntentResolver; 251import com.android.server.LocalServices; 252import com.android.server.ServiceThread; 253import com.android.server.SystemConfig; 254import com.android.server.Watchdog; 255import com.android.server.net.NetworkPolicyManagerInternal; 256import com.android.server.pm.PermissionsState.PermissionState; 257import com.android.server.pm.Settings.DatabaseVersion; 258import com.android.server.pm.Settings.VersionInfo; 259import com.android.server.storage.DeviceStorageMonitorInternal; 260 261import dalvik.system.CloseGuard; 262import dalvik.system.DexFile; 263import dalvik.system.VMRuntime; 264 265import libcore.io.IoUtils; 266import libcore.util.EmptyArray; 267 268import org.xmlpull.v1.XmlPullParser; 269import org.xmlpull.v1.XmlPullParserException; 270import org.xmlpull.v1.XmlSerializer; 271 272import java.io.BufferedOutputStream; 273import java.io.BufferedReader; 274import java.io.ByteArrayInputStream; 275import java.io.ByteArrayOutputStream; 276import java.io.File; 277import java.io.FileDescriptor; 278import java.io.FileInputStream; 279import java.io.FileNotFoundException; 280import java.io.FileOutputStream; 281import java.io.FileReader; 282import java.io.FilenameFilter; 283import java.io.IOException; 284import java.io.PrintWriter; 285import java.nio.charset.StandardCharsets; 286import java.security.DigestInputStream; 287import java.security.MessageDigest; 288import java.security.NoSuchAlgorithmException; 289import java.security.PublicKey; 290import java.security.SecureRandom; 291import java.security.cert.Certificate; 292import java.security.cert.CertificateEncodingException; 293import java.security.cert.CertificateException; 294import java.text.SimpleDateFormat; 295import java.util.ArrayList; 296import java.util.Arrays; 297import java.util.Collection; 298import java.util.Collections; 299import java.util.Comparator; 300import java.util.Date; 301import java.util.HashSet; 302import java.util.Iterator; 303import java.util.List; 304import java.util.Map; 305import java.util.Objects; 306import java.util.Set; 307import java.util.concurrent.CountDownLatch; 308import java.util.concurrent.TimeUnit; 309import java.util.concurrent.atomic.AtomicBoolean; 310import java.util.concurrent.atomic.AtomicInteger; 311 312/** 313 * Keep track of all those APKs everywhere. 314 * <p> 315 * Internally there are two important locks: 316 * <ul> 317 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 318 * and other related state. It is a fine-grained lock that should only be held 319 * momentarily, as it's one of the most contended locks in the system. 320 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 321 * operations typically involve heavy lifting of application data on disk. Since 322 * {@code installd} is single-threaded, and it's operations can often be slow, 323 * this lock should never be acquired while already holding {@link #mPackages}. 324 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 325 * holding {@link #mInstallLock}. 326 * </ul> 327 * Many internal methods rely on the caller to hold the appropriate locks, and 328 * this contract is expressed through method name suffixes: 329 * <ul> 330 * <li>fooLI(): the caller must hold {@link #mInstallLock} 331 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 332 * being modified must be frozen 333 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 334 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 335 * </ul> 336 * <p> 337 * Because this class is very central to the platform's security; please run all 338 * CTS and unit tests whenever making modifications: 339 * 340 * <pre> 341 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 342 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 343 * </pre> 344 */ 345public class PackageManagerService extends IPackageManager.Stub { 346 static final String TAG = "PackageManager"; 347 static final boolean DEBUG_SETTINGS = false; 348 static final boolean DEBUG_PREFERRED = false; 349 static final boolean DEBUG_UPGRADE = false; 350 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 351 private static final boolean DEBUG_BACKUP = false; 352 private static final boolean DEBUG_INSTALL = false; 353 private static final boolean DEBUG_REMOVE = false; 354 private static final boolean DEBUG_BROADCASTS = false; 355 private static final boolean DEBUG_SHOW_INFO = false; 356 private static final boolean DEBUG_PACKAGE_INFO = false; 357 private static final boolean DEBUG_INTENT_MATCHING = false; 358 private static final boolean DEBUG_PACKAGE_SCANNING = false; 359 private static final boolean DEBUG_VERIFY = false; 360 private static final boolean DEBUG_FILTERS = false; 361 362 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 363 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 364 // user, but by default initialize to this. 365 static final boolean DEBUG_DEXOPT = false; 366 367 private static final boolean DEBUG_ABI_SELECTION = false; 368 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 369 private static final boolean DEBUG_TRIAGED_MISSING = false; 370 private static final boolean DEBUG_APP_DATA = false; 371 372 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 373 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 374 375 private static final boolean DISABLE_EPHEMERAL_APPS = false; 376 private static final boolean HIDE_EPHEMERAL_APIS = true; 377 378 private static final int RADIO_UID = Process.PHONE_UID; 379 private static final int LOG_UID = Process.LOG_UID; 380 private static final int NFC_UID = Process.NFC_UID; 381 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 382 private static final int SHELL_UID = Process.SHELL_UID; 383 384 // Cap the size of permission trees that 3rd party apps can define 385 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 386 387 // Suffix used during package installation when copying/moving 388 // package apks to install directory. 389 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 390 391 static final int SCAN_NO_DEX = 1<<1; 392 static final int SCAN_FORCE_DEX = 1<<2; 393 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 394 static final int SCAN_NEW_INSTALL = 1<<4; 395 static final int SCAN_NO_PATHS = 1<<5; 396 static final int SCAN_UPDATE_TIME = 1<<6; 397 static final int SCAN_DEFER_DEX = 1<<7; 398 static final int SCAN_BOOTING = 1<<8; 399 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 400 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 401 static final int SCAN_REPLACING = 1<<11; 402 static final int SCAN_REQUIRE_KNOWN = 1<<12; 403 static final int SCAN_MOVE = 1<<13; 404 static final int SCAN_INITIAL = 1<<14; 405 static final int SCAN_CHECK_ONLY = 1<<15; 406 static final int SCAN_DONT_KILL_APP = 1<<17; 407 static final int SCAN_IGNORE_FROZEN = 1<<18; 408 409 static final int REMOVE_CHATTY = 1<<16; 410 411 private static final int[] EMPTY_INT_ARRAY = new int[0]; 412 413 /** 414 * Timeout (in milliseconds) after which the watchdog should declare that 415 * our handler thread is wedged. The usual default for such things is one 416 * minute but we sometimes do very lengthy I/O operations on this thread, 417 * such as installing multi-gigabyte applications, so ours needs to be longer. 418 */ 419 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 420 421 /** 422 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 423 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 424 * settings entry if available, otherwise we use the hardcoded default. If it's been 425 * more than this long since the last fstrim, we force one during the boot sequence. 426 * 427 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 428 * one gets run at the next available charging+idle time. This final mandatory 429 * no-fstrim check kicks in only of the other scheduling criteria is never met. 430 */ 431 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 432 433 /** 434 * Whether verification is enabled by default. 435 */ 436 private static final boolean DEFAULT_VERIFY_ENABLE = true; 437 438 /** 439 * The default maximum time to wait for the verification agent to return in 440 * milliseconds. 441 */ 442 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 443 444 /** 445 * The default response for package verification timeout. 446 * 447 * This can be either PackageManager.VERIFICATION_ALLOW or 448 * PackageManager.VERIFICATION_REJECT. 449 */ 450 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 451 452 static final String PLATFORM_PACKAGE_NAME = "android"; 453 454 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 455 456 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 457 DEFAULT_CONTAINER_PACKAGE, 458 "com.android.defcontainer.DefaultContainerService"); 459 460 private static final String KILL_APP_REASON_GIDS_CHANGED = 461 "permission grant or revoke changed gids"; 462 463 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 464 "permissions revoked"; 465 466 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 467 468 private static final String PACKAGE_SCHEME = "package"; 469 470 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 471 /** 472 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 473 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 474 * VENDOR_OVERLAY_DIR. 475 */ 476 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 477 /** 478 * Same as VENDOR_OVERLAY_THEME_PROPERTY, except persistent. If set will override whatever 479 * is in VENDOR_OVERLAY_THEME_PROPERTY. 480 */ 481 private static final String VENDOR_OVERLAY_THEME_PERSIST_PROPERTY 482 = "persist.vendor.overlay.theme"; 483 484 /** Permission grant: not grant the permission. */ 485 private static final int GRANT_DENIED = 1; 486 487 /** Permission grant: grant the permission as an install permission. */ 488 private static final int GRANT_INSTALL = 2; 489 490 /** Permission grant: grant the permission as a runtime one. */ 491 private static final int GRANT_RUNTIME = 3; 492 493 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 494 private static final int GRANT_UPGRADE = 4; 495 496 /** Canonical intent used to identify what counts as a "web browser" app */ 497 private static final Intent sBrowserIntent; 498 static { 499 sBrowserIntent = new Intent(); 500 sBrowserIntent.setAction(Intent.ACTION_VIEW); 501 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 502 sBrowserIntent.setData(Uri.parse("http:")); 503 } 504 505 /** 506 * The set of all protected actions [i.e. those actions for which a high priority 507 * intent filter is disallowed]. 508 */ 509 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 510 static { 511 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 512 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 513 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 514 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 515 } 516 517 // Compilation reasons. 518 public static final int REASON_FIRST_BOOT = 0; 519 public static final int REASON_BOOT = 1; 520 public static final int REASON_INSTALL = 2; 521 public static final int REASON_BACKGROUND_DEXOPT = 3; 522 public static final int REASON_AB_OTA = 4; 523 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 524 public static final int REASON_SHARED_APK = 6; 525 public static final int REASON_FORCED_DEXOPT = 7; 526 public static final int REASON_CORE_APP = 8; 527 528 public static final int REASON_LAST = REASON_CORE_APP; 529 530 /** Special library name that skips shared libraries check during compilation. */ 531 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 532 533 final ServiceThread mHandlerThread; 534 535 final PackageHandler mHandler; 536 537 private final ProcessLoggingHandler mProcessLoggingHandler; 538 539 /** 540 * Messages for {@link #mHandler} that need to wait for system ready before 541 * being dispatched. 542 */ 543 private ArrayList<Message> mPostSystemReadyMessages; 544 545 final int mSdkVersion = Build.VERSION.SDK_INT; 546 547 final Context mContext; 548 final boolean mFactoryTest; 549 final boolean mOnlyCore; 550 final DisplayMetrics mMetrics; 551 final int mDefParseFlags; 552 final String[] mSeparateProcesses; 553 final boolean mIsUpgrade; 554 final boolean mIsPreNUpgrade; 555 final boolean mIsPreNMR1Upgrade; 556 557 @GuardedBy("mPackages") 558 private boolean mDexOptDialogShown; 559 560 /** The location for ASEC container files on internal storage. */ 561 final String mAsecInternalPath; 562 563 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 564 // LOCK HELD. Can be called with mInstallLock held. 565 @GuardedBy("mInstallLock") 566 final Installer mInstaller; 567 568 /** Directory where installed third-party apps stored */ 569 final File mAppInstallDir; 570 final File mEphemeralInstallDir; 571 572 /** 573 * Directory to which applications installed internally have their 574 * 32 bit native libraries copied. 575 */ 576 private File mAppLib32InstallDir; 577 578 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 579 // apps. 580 final File mDrmAppPrivateInstallDir; 581 582 // ---------------------------------------------------------------- 583 584 // Lock for state used when installing and doing other long running 585 // operations. Methods that must be called with this lock held have 586 // the suffix "LI". 587 final Object mInstallLock = new Object(); 588 589 // ---------------------------------------------------------------- 590 591 // Keys are String (package name), values are Package. This also serves 592 // as the lock for the global state. Methods that must be called with 593 // this lock held have the prefix "LP". 594 @GuardedBy("mPackages") 595 final ArrayMap<String, PackageParser.Package> mPackages = 596 new ArrayMap<String, PackageParser.Package>(); 597 598 final ArrayMap<String, Set<String>> mKnownCodebase = 599 new ArrayMap<String, Set<String>>(); 600 601 // Tracks available target package names -> overlay package paths. 602 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 603 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 604 605 /** 606 * Tracks new system packages [received in an OTA] that we expect to 607 * find updated user-installed versions. Keys are package name, values 608 * are package location. 609 */ 610 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 611 /** 612 * Tracks high priority intent filters for protected actions. During boot, certain 613 * filter actions are protected and should never be allowed to have a high priority 614 * intent filter for them. However, there is one, and only one exception -- the 615 * setup wizard. It must be able to define a high priority intent filter for these 616 * actions to ensure there are no escapes from the wizard. We need to delay processing 617 * of these during boot as we need to look at all of the system packages in order 618 * to know which component is the setup wizard. 619 */ 620 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 621 /** 622 * Whether or not processing protected filters should be deferred. 623 */ 624 private boolean mDeferProtectedFilters = true; 625 626 /** 627 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 628 */ 629 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 630 /** 631 * Whether or not system app permissions should be promoted from install to runtime. 632 */ 633 boolean mPromoteSystemApps; 634 635 @GuardedBy("mPackages") 636 final Settings mSettings; 637 638 /** 639 * Set of package names that are currently "frozen", which means active 640 * surgery is being done on the code/data for that package. The platform 641 * will refuse to launch frozen packages to avoid race conditions. 642 * 643 * @see PackageFreezer 644 */ 645 @GuardedBy("mPackages") 646 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 647 648 final ProtectedPackages mProtectedPackages; 649 650 boolean mFirstBoot; 651 652 // System configuration read by SystemConfig. 653 final int[] mGlobalGids; 654 final SparseArray<ArraySet<String>> mSystemPermissions; 655 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 656 657 // If mac_permissions.xml was found for seinfo labeling. 658 boolean mFoundPolicyFile; 659 660 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 661 662 public static final class SharedLibraryEntry { 663 public final String path; 664 public final String apk; 665 666 SharedLibraryEntry(String _path, String _apk) { 667 path = _path; 668 apk = _apk; 669 } 670 } 671 672 // Currently known shared libraries. 673 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 674 new ArrayMap<String, SharedLibraryEntry>(); 675 676 // All available activities, for your resolving pleasure. 677 final ActivityIntentResolver mActivities = 678 new ActivityIntentResolver(); 679 680 // All available receivers, for your resolving pleasure. 681 final ActivityIntentResolver mReceivers = 682 new ActivityIntentResolver(); 683 684 // All available services, for your resolving pleasure. 685 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 686 687 // All available providers, for your resolving pleasure. 688 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 689 690 // Mapping from provider base names (first directory in content URI codePath) 691 // to the provider information. 692 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 693 new ArrayMap<String, PackageParser.Provider>(); 694 695 // Mapping from instrumentation class names to info about them. 696 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 697 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 698 699 // Mapping from permission names to info about them. 700 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 701 new ArrayMap<String, PackageParser.PermissionGroup>(); 702 703 // Packages whose data we have transfered into another package, thus 704 // should no longer exist. 705 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 706 707 // Broadcast actions that are only available to the system. 708 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 709 710 /** List of packages waiting for verification. */ 711 final SparseArray<PackageVerificationState> mPendingVerification 712 = new SparseArray<PackageVerificationState>(); 713 714 /** Set of packages associated with each app op permission. */ 715 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 716 717 final PackageInstallerService mInstallerService; 718 719 private final PackageDexOptimizer mPackageDexOptimizer; 720 721 private AtomicInteger mNextMoveId = new AtomicInteger(); 722 private final MoveCallbacks mMoveCallbacks; 723 724 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 725 726 // Cache of users who need badging. 727 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 728 729 /** Token for keys in mPendingVerification. */ 730 private int mPendingVerificationToken = 0; 731 732 volatile boolean mSystemReady; 733 volatile boolean mSafeMode; 734 volatile boolean mHasSystemUidErrors; 735 736 ApplicationInfo mAndroidApplication; 737 final ActivityInfo mResolveActivity = new ActivityInfo(); 738 final ResolveInfo mResolveInfo = new ResolveInfo(); 739 ComponentName mResolveComponentName; 740 PackageParser.Package mPlatformPackage; 741 ComponentName mCustomResolverComponentName; 742 743 boolean mResolverReplaced = false; 744 745 private final @Nullable ComponentName mIntentFilterVerifierComponent; 746 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 747 748 private int mIntentFilterVerificationToken = 0; 749 750 /** Component that knows whether or not an ephemeral application exists */ 751 final ComponentName mEphemeralResolverComponent; 752 /** The service connection to the ephemeral resolver */ 753 final EphemeralResolverConnection mEphemeralResolverConnection; 754 755 /** Component used to install ephemeral applications */ 756 final ComponentName mEphemeralInstallerComponent; 757 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 758 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 759 760 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 761 = new SparseArray<IntentFilterVerificationState>(); 762 763 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 764 765 // List of packages names to keep cached, even if they are uninstalled for all users 766 private List<String> mKeepUninstalledPackages; 767 768 private UserManagerInternal mUserManagerInternal; 769 770 private static class IFVerificationParams { 771 PackageParser.Package pkg; 772 boolean replacing; 773 int userId; 774 int verifierUid; 775 776 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 777 int _userId, int _verifierUid) { 778 pkg = _pkg; 779 replacing = _replacing; 780 userId = _userId; 781 replacing = _replacing; 782 verifierUid = _verifierUid; 783 } 784 } 785 786 private interface IntentFilterVerifier<T extends IntentFilter> { 787 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 788 T filter, String packageName); 789 void startVerifications(int userId); 790 void receiveVerificationResponse(int verificationId); 791 } 792 793 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 794 private Context mContext; 795 private ComponentName mIntentFilterVerifierComponent; 796 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 797 798 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 799 mContext = context; 800 mIntentFilterVerifierComponent = verifierComponent; 801 } 802 803 private String getDefaultScheme() { 804 return IntentFilter.SCHEME_HTTPS; 805 } 806 807 @Override 808 public void startVerifications(int userId) { 809 // Launch verifications requests 810 int count = mCurrentIntentFilterVerifications.size(); 811 for (int n=0; n<count; n++) { 812 int verificationId = mCurrentIntentFilterVerifications.get(n); 813 final IntentFilterVerificationState ivs = 814 mIntentFilterVerificationStates.get(verificationId); 815 816 String packageName = ivs.getPackageName(); 817 818 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 819 final int filterCount = filters.size(); 820 ArraySet<String> domainsSet = new ArraySet<>(); 821 for (int m=0; m<filterCount; m++) { 822 PackageParser.ActivityIntentInfo filter = filters.get(m); 823 domainsSet.addAll(filter.getHostsList()); 824 } 825 synchronized (mPackages) { 826 if (mSettings.createIntentFilterVerificationIfNeededLPw( 827 packageName, domainsSet) != null) { 828 scheduleWriteSettingsLocked(); 829 } 830 } 831 sendVerificationRequest(userId, verificationId, ivs); 832 } 833 mCurrentIntentFilterVerifications.clear(); 834 } 835 836 private void sendVerificationRequest(int userId, int verificationId, 837 IntentFilterVerificationState ivs) { 838 839 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 840 verificationIntent.putExtra( 841 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 842 verificationId); 843 verificationIntent.putExtra( 844 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 845 getDefaultScheme()); 846 verificationIntent.putExtra( 847 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 848 ivs.getHostsString()); 849 verificationIntent.putExtra( 850 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 851 ivs.getPackageName()); 852 verificationIntent.setComponent(mIntentFilterVerifierComponent); 853 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 854 855 UserHandle user = new UserHandle(userId); 856 mContext.sendBroadcastAsUser(verificationIntent, user); 857 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 858 "Sending IntentFilter verification broadcast"); 859 } 860 861 public void receiveVerificationResponse(int verificationId) { 862 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 863 864 final boolean verified = ivs.isVerified(); 865 866 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 867 final int count = filters.size(); 868 if (DEBUG_DOMAIN_VERIFICATION) { 869 Slog.i(TAG, "Received verification response " + verificationId 870 + " for " + count + " filters, verified=" + verified); 871 } 872 for (int n=0; n<count; n++) { 873 PackageParser.ActivityIntentInfo filter = filters.get(n); 874 filter.setVerified(verified); 875 876 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 877 + " verified with result:" + verified + " and hosts:" 878 + ivs.getHostsString()); 879 } 880 881 mIntentFilterVerificationStates.remove(verificationId); 882 883 final String packageName = ivs.getPackageName(); 884 IntentFilterVerificationInfo ivi = null; 885 886 synchronized (mPackages) { 887 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 888 } 889 if (ivi == null) { 890 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 891 + verificationId + " packageName:" + packageName); 892 return; 893 } 894 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 895 "Updating IntentFilterVerificationInfo for package " + packageName 896 +" verificationId:" + verificationId); 897 898 synchronized (mPackages) { 899 if (verified) { 900 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 901 } else { 902 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 903 } 904 scheduleWriteSettingsLocked(); 905 906 final int userId = ivs.getUserId(); 907 if (userId != UserHandle.USER_ALL) { 908 final int userStatus = 909 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 910 911 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 912 boolean needUpdate = false; 913 914 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 915 // already been set by the User thru the Disambiguation dialog 916 switch (userStatus) { 917 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 918 if (verified) { 919 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 920 } else { 921 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 922 } 923 needUpdate = true; 924 break; 925 926 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 927 if (verified) { 928 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 929 needUpdate = true; 930 } 931 break; 932 933 default: 934 // Nothing to do 935 } 936 937 if (needUpdate) { 938 mSettings.updateIntentFilterVerificationStatusLPw( 939 packageName, updatedStatus, userId); 940 scheduleWritePackageRestrictionsLocked(userId); 941 } 942 } 943 } 944 } 945 946 @Override 947 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 948 ActivityIntentInfo filter, String packageName) { 949 if (!hasValidDomains(filter)) { 950 return false; 951 } 952 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 953 if (ivs == null) { 954 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 955 packageName); 956 } 957 if (DEBUG_DOMAIN_VERIFICATION) { 958 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 959 } 960 ivs.addFilter(filter); 961 return true; 962 } 963 964 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 965 int userId, int verificationId, String packageName) { 966 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 967 verifierUid, userId, packageName); 968 ivs.setPendingState(); 969 synchronized (mPackages) { 970 mIntentFilterVerificationStates.append(verificationId, ivs); 971 mCurrentIntentFilterVerifications.add(verificationId); 972 } 973 return ivs; 974 } 975 } 976 977 private static boolean hasValidDomains(ActivityIntentInfo filter) { 978 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 979 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 980 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 981 } 982 983 // Set of pending broadcasts for aggregating enable/disable of components. 984 static class PendingPackageBroadcasts { 985 // for each user id, a map of <package name -> components within that package> 986 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 987 988 public PendingPackageBroadcasts() { 989 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 990 } 991 992 public ArrayList<String> get(int userId, String packageName) { 993 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 994 return packages.get(packageName); 995 } 996 997 public void put(int userId, String packageName, ArrayList<String> components) { 998 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 999 packages.put(packageName, components); 1000 } 1001 1002 public void remove(int userId, String packageName) { 1003 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1004 if (packages != null) { 1005 packages.remove(packageName); 1006 } 1007 } 1008 1009 public void remove(int userId) { 1010 mUidMap.remove(userId); 1011 } 1012 1013 public int userIdCount() { 1014 return mUidMap.size(); 1015 } 1016 1017 public int userIdAt(int n) { 1018 return mUidMap.keyAt(n); 1019 } 1020 1021 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1022 return mUidMap.get(userId); 1023 } 1024 1025 public int size() { 1026 // total number of pending broadcast entries across all userIds 1027 int num = 0; 1028 for (int i = 0; i< mUidMap.size(); i++) { 1029 num += mUidMap.valueAt(i).size(); 1030 } 1031 return num; 1032 } 1033 1034 public void clear() { 1035 mUidMap.clear(); 1036 } 1037 1038 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1039 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1040 if (map == null) { 1041 map = new ArrayMap<String, ArrayList<String>>(); 1042 mUidMap.put(userId, map); 1043 } 1044 return map; 1045 } 1046 } 1047 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1048 1049 // Service Connection to remote media container service to copy 1050 // package uri's from external media onto secure containers 1051 // or internal storage. 1052 private IMediaContainerService mContainerService = null; 1053 1054 static final int SEND_PENDING_BROADCAST = 1; 1055 static final int MCS_BOUND = 3; 1056 static final int END_COPY = 4; 1057 static final int INIT_COPY = 5; 1058 static final int MCS_UNBIND = 6; 1059 static final int START_CLEANING_PACKAGE = 7; 1060 static final int FIND_INSTALL_LOC = 8; 1061 static final int POST_INSTALL = 9; 1062 static final int MCS_RECONNECT = 10; 1063 static final int MCS_GIVE_UP = 11; 1064 static final int UPDATED_MEDIA_STATUS = 12; 1065 static final int WRITE_SETTINGS = 13; 1066 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1067 static final int PACKAGE_VERIFIED = 15; 1068 static final int CHECK_PENDING_VERIFICATION = 16; 1069 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1070 static final int INTENT_FILTER_VERIFIED = 18; 1071 static final int WRITE_PACKAGE_LIST = 19; 1072 1073 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1074 1075 // Delay time in millisecs 1076 static final int BROADCAST_DELAY = 10 * 1000; 1077 1078 static UserManagerService sUserManager; 1079 1080 // Stores a list of users whose package restrictions file needs to be updated 1081 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1082 1083 final private DefaultContainerConnection mDefContainerConn = 1084 new DefaultContainerConnection(); 1085 class DefaultContainerConnection implements ServiceConnection { 1086 public void onServiceConnected(ComponentName name, IBinder service) { 1087 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1088 final IMediaContainerService imcs = IMediaContainerService.Stub 1089 .asInterface(Binder.allowBlocking(service)); 1090 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1091 } 1092 1093 public void onServiceDisconnected(ComponentName name) { 1094 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1095 } 1096 } 1097 1098 // Recordkeeping of restore-after-install operations that are currently in flight 1099 // between the Package Manager and the Backup Manager 1100 static class PostInstallData { 1101 public InstallArgs args; 1102 public PackageInstalledInfo res; 1103 1104 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1105 args = _a; 1106 res = _r; 1107 } 1108 } 1109 1110 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1111 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1112 1113 // XML tags for backup/restore of various bits of state 1114 private static final String TAG_PREFERRED_BACKUP = "pa"; 1115 private static final String TAG_DEFAULT_APPS = "da"; 1116 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1117 1118 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1119 private static final String TAG_ALL_GRANTS = "rt-grants"; 1120 private static final String TAG_GRANT = "grant"; 1121 private static final String ATTR_PACKAGE_NAME = "pkg"; 1122 1123 private static final String TAG_PERMISSION = "perm"; 1124 private static final String ATTR_PERMISSION_NAME = "name"; 1125 private static final String ATTR_IS_GRANTED = "g"; 1126 private static final String ATTR_USER_SET = "set"; 1127 private static final String ATTR_USER_FIXED = "fixed"; 1128 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1129 1130 // System/policy permission grants are not backed up 1131 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1132 FLAG_PERMISSION_POLICY_FIXED 1133 | FLAG_PERMISSION_SYSTEM_FIXED 1134 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1135 1136 // And we back up these user-adjusted states 1137 private static final int USER_RUNTIME_GRANT_MASK = 1138 FLAG_PERMISSION_USER_SET 1139 | FLAG_PERMISSION_USER_FIXED 1140 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1141 1142 final @Nullable String mRequiredVerifierPackage; 1143 final @NonNull String mRequiredInstallerPackage; 1144 final @NonNull String mRequiredUninstallerPackage; 1145 final @Nullable String mSetupWizardPackage; 1146 final @Nullable String mStorageManagerPackage; 1147 final @NonNull String mServicesSystemSharedLibraryPackageName; 1148 final @NonNull String mSharedSystemSharedLibraryPackageName; 1149 1150 final boolean mPermissionReviewRequired; 1151 1152 private final PackageUsage mPackageUsage = new PackageUsage(); 1153 private final CompilerStats mCompilerStats = new CompilerStats(); 1154 1155 class PackageHandler extends Handler { 1156 private boolean mBound = false; 1157 final ArrayList<HandlerParams> mPendingInstalls = 1158 new ArrayList<HandlerParams>(); 1159 1160 private boolean connectToService() { 1161 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1162 " DefaultContainerService"); 1163 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1164 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1165 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1166 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1167 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1168 mBound = true; 1169 return true; 1170 } 1171 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1172 return false; 1173 } 1174 1175 private void disconnectService() { 1176 mContainerService = null; 1177 mBound = false; 1178 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1179 mContext.unbindService(mDefContainerConn); 1180 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1181 } 1182 1183 PackageHandler(Looper looper) { 1184 super(looper); 1185 } 1186 1187 public void handleMessage(Message msg) { 1188 try { 1189 doHandleMessage(msg); 1190 } finally { 1191 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1192 } 1193 } 1194 1195 void doHandleMessage(Message msg) { 1196 switch (msg.what) { 1197 case INIT_COPY: { 1198 HandlerParams params = (HandlerParams) msg.obj; 1199 int idx = mPendingInstalls.size(); 1200 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1201 // If a bind was already initiated we dont really 1202 // need to do anything. The pending install 1203 // will be processed later on. 1204 if (!mBound) { 1205 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1206 System.identityHashCode(mHandler)); 1207 // If this is the only one pending we might 1208 // have to bind to the service again. 1209 if (!connectToService()) { 1210 Slog.e(TAG, "Failed to bind to media container service"); 1211 params.serviceError(); 1212 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1213 System.identityHashCode(mHandler)); 1214 if (params.traceMethod != null) { 1215 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1216 params.traceCookie); 1217 } 1218 return; 1219 } else { 1220 // Once we bind to the service, the first 1221 // pending request will be processed. 1222 mPendingInstalls.add(idx, params); 1223 } 1224 } else { 1225 mPendingInstalls.add(idx, params); 1226 // Already bound to the service. Just make 1227 // sure we trigger off processing the first request. 1228 if (idx == 0) { 1229 mHandler.sendEmptyMessage(MCS_BOUND); 1230 } 1231 } 1232 break; 1233 } 1234 case MCS_BOUND: { 1235 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1236 if (msg.obj != null) { 1237 mContainerService = (IMediaContainerService) msg.obj; 1238 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1239 System.identityHashCode(mHandler)); 1240 } 1241 if (mContainerService == null) { 1242 if (!mBound) { 1243 // Something seriously wrong since we are not bound and we are not 1244 // waiting for connection. Bail out. 1245 Slog.e(TAG, "Cannot bind to media container service"); 1246 for (HandlerParams params : mPendingInstalls) { 1247 // Indicate service bind error 1248 params.serviceError(); 1249 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1250 System.identityHashCode(params)); 1251 if (params.traceMethod != null) { 1252 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1253 params.traceMethod, params.traceCookie); 1254 } 1255 return; 1256 } 1257 mPendingInstalls.clear(); 1258 } else { 1259 Slog.w(TAG, "Waiting to connect to media container service"); 1260 } 1261 } else if (mPendingInstalls.size() > 0) { 1262 HandlerParams params = mPendingInstalls.get(0); 1263 if (params != null) { 1264 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1265 System.identityHashCode(params)); 1266 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1267 if (params.startCopy()) { 1268 // We are done... look for more work or to 1269 // go idle. 1270 if (DEBUG_SD_INSTALL) Log.i(TAG, 1271 "Checking for more work or unbind..."); 1272 // Delete pending install 1273 if (mPendingInstalls.size() > 0) { 1274 mPendingInstalls.remove(0); 1275 } 1276 if (mPendingInstalls.size() == 0) { 1277 if (mBound) { 1278 if (DEBUG_SD_INSTALL) Log.i(TAG, 1279 "Posting delayed MCS_UNBIND"); 1280 removeMessages(MCS_UNBIND); 1281 Message ubmsg = obtainMessage(MCS_UNBIND); 1282 // Unbind after a little delay, to avoid 1283 // continual thrashing. 1284 sendMessageDelayed(ubmsg, 10000); 1285 } 1286 } else { 1287 // There are more pending requests in queue. 1288 // Just post MCS_BOUND message to trigger processing 1289 // of next pending install. 1290 if (DEBUG_SD_INSTALL) Log.i(TAG, 1291 "Posting MCS_BOUND for next work"); 1292 mHandler.sendEmptyMessage(MCS_BOUND); 1293 } 1294 } 1295 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1296 } 1297 } else { 1298 // Should never happen ideally. 1299 Slog.w(TAG, "Empty queue"); 1300 } 1301 break; 1302 } 1303 case MCS_RECONNECT: { 1304 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1305 if (mPendingInstalls.size() > 0) { 1306 if (mBound) { 1307 disconnectService(); 1308 } 1309 if (!connectToService()) { 1310 Slog.e(TAG, "Failed to bind to media container service"); 1311 for (HandlerParams params : mPendingInstalls) { 1312 // Indicate service bind error 1313 params.serviceError(); 1314 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1315 System.identityHashCode(params)); 1316 } 1317 mPendingInstalls.clear(); 1318 } 1319 } 1320 break; 1321 } 1322 case MCS_UNBIND: { 1323 // If there is no actual work left, then time to unbind. 1324 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1325 1326 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1327 if (mBound) { 1328 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1329 1330 disconnectService(); 1331 } 1332 } else if (mPendingInstalls.size() > 0) { 1333 // There are more pending requests in queue. 1334 // Just post MCS_BOUND message to trigger processing 1335 // of next pending install. 1336 mHandler.sendEmptyMessage(MCS_BOUND); 1337 } 1338 1339 break; 1340 } 1341 case MCS_GIVE_UP: { 1342 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1343 HandlerParams params = mPendingInstalls.remove(0); 1344 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1345 System.identityHashCode(params)); 1346 break; 1347 } 1348 case SEND_PENDING_BROADCAST: { 1349 String packages[]; 1350 ArrayList<String> components[]; 1351 int size = 0; 1352 int uids[]; 1353 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1354 synchronized (mPackages) { 1355 if (mPendingBroadcasts == null) { 1356 return; 1357 } 1358 size = mPendingBroadcasts.size(); 1359 if (size <= 0) { 1360 // Nothing to be done. Just return 1361 return; 1362 } 1363 packages = new String[size]; 1364 components = new ArrayList[size]; 1365 uids = new int[size]; 1366 int i = 0; // filling out the above arrays 1367 1368 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1369 int packageUserId = mPendingBroadcasts.userIdAt(n); 1370 Iterator<Map.Entry<String, ArrayList<String>>> it 1371 = mPendingBroadcasts.packagesForUserId(packageUserId) 1372 .entrySet().iterator(); 1373 while (it.hasNext() && i < size) { 1374 Map.Entry<String, ArrayList<String>> ent = it.next(); 1375 packages[i] = ent.getKey(); 1376 components[i] = ent.getValue(); 1377 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1378 uids[i] = (ps != null) 1379 ? UserHandle.getUid(packageUserId, ps.appId) 1380 : -1; 1381 i++; 1382 } 1383 } 1384 size = i; 1385 mPendingBroadcasts.clear(); 1386 } 1387 // Send broadcasts 1388 for (int i = 0; i < size; i++) { 1389 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1390 } 1391 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1392 break; 1393 } 1394 case START_CLEANING_PACKAGE: { 1395 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1396 final String packageName = (String)msg.obj; 1397 final int userId = msg.arg1; 1398 final boolean andCode = msg.arg2 != 0; 1399 synchronized (mPackages) { 1400 if (userId == UserHandle.USER_ALL) { 1401 int[] users = sUserManager.getUserIds(); 1402 for (int user : users) { 1403 mSettings.addPackageToCleanLPw( 1404 new PackageCleanItem(user, packageName, andCode)); 1405 } 1406 } else { 1407 mSettings.addPackageToCleanLPw( 1408 new PackageCleanItem(userId, packageName, andCode)); 1409 } 1410 } 1411 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1412 startCleaningPackages(); 1413 } break; 1414 case POST_INSTALL: { 1415 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1416 1417 PostInstallData data = mRunningInstalls.get(msg.arg1); 1418 final boolean didRestore = (msg.arg2 != 0); 1419 mRunningInstalls.delete(msg.arg1); 1420 1421 if (data != null) { 1422 InstallArgs args = data.args; 1423 PackageInstalledInfo parentRes = data.res; 1424 1425 final boolean grantPermissions = (args.installFlags 1426 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1427 final boolean killApp = (args.installFlags 1428 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1429 final String[] grantedPermissions = args.installGrantPermissions; 1430 1431 // Handle the parent package 1432 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1433 grantedPermissions, didRestore, args.installerPackageName, 1434 args.observer); 1435 1436 // Handle the child packages 1437 final int childCount = (parentRes.addedChildPackages != null) 1438 ? parentRes.addedChildPackages.size() : 0; 1439 for (int i = 0; i < childCount; i++) { 1440 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1441 handlePackagePostInstall(childRes, grantPermissions, killApp, 1442 grantedPermissions, false, args.installerPackageName, 1443 args.observer); 1444 } 1445 1446 // Log tracing if needed 1447 if (args.traceMethod != null) { 1448 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1449 args.traceCookie); 1450 } 1451 } else { 1452 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1453 } 1454 1455 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1456 } break; 1457 case UPDATED_MEDIA_STATUS: { 1458 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1459 boolean reportStatus = msg.arg1 == 1; 1460 boolean doGc = msg.arg2 == 1; 1461 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1462 if (doGc) { 1463 // Force a gc to clear up stale containers. 1464 Runtime.getRuntime().gc(); 1465 } 1466 if (msg.obj != null) { 1467 @SuppressWarnings("unchecked") 1468 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1469 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1470 // Unload containers 1471 unloadAllContainers(args); 1472 } 1473 if (reportStatus) { 1474 try { 1475 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1476 PackageHelper.getMountService().finishMediaUpdate(); 1477 } catch (RemoteException e) { 1478 Log.e(TAG, "MountService not running?"); 1479 } 1480 } 1481 } break; 1482 case WRITE_SETTINGS: { 1483 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1484 synchronized (mPackages) { 1485 removeMessages(WRITE_SETTINGS); 1486 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1487 mSettings.writeLPr(); 1488 mDirtyUsers.clear(); 1489 } 1490 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1491 } break; 1492 case WRITE_PACKAGE_RESTRICTIONS: { 1493 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1494 synchronized (mPackages) { 1495 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1496 for (int userId : mDirtyUsers) { 1497 mSettings.writePackageRestrictionsLPr(userId); 1498 } 1499 mDirtyUsers.clear(); 1500 } 1501 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1502 } break; 1503 case WRITE_PACKAGE_LIST: { 1504 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1505 synchronized (mPackages) { 1506 removeMessages(WRITE_PACKAGE_LIST); 1507 mSettings.writePackageListLPr(msg.arg1); 1508 } 1509 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1510 } break; 1511 case CHECK_PENDING_VERIFICATION: { 1512 final int verificationId = msg.arg1; 1513 final PackageVerificationState state = mPendingVerification.get(verificationId); 1514 1515 if ((state != null) && !state.timeoutExtended()) { 1516 final InstallArgs args = state.getInstallArgs(); 1517 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1518 1519 Slog.i(TAG, "Verification timed out for " + originUri); 1520 mPendingVerification.remove(verificationId); 1521 1522 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1523 1524 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1525 Slog.i(TAG, "Continuing with installation of " + originUri); 1526 state.setVerifierResponse(Binder.getCallingUid(), 1527 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1528 broadcastPackageVerified(verificationId, originUri, 1529 PackageManager.VERIFICATION_ALLOW, 1530 state.getInstallArgs().getUser()); 1531 try { 1532 ret = args.copyApk(mContainerService, true); 1533 } catch (RemoteException e) { 1534 Slog.e(TAG, "Could not contact the ContainerService"); 1535 } 1536 } else { 1537 broadcastPackageVerified(verificationId, originUri, 1538 PackageManager.VERIFICATION_REJECT, 1539 state.getInstallArgs().getUser()); 1540 } 1541 1542 Trace.asyncTraceEnd( 1543 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1544 1545 processPendingInstall(args, ret); 1546 mHandler.sendEmptyMessage(MCS_UNBIND); 1547 } 1548 break; 1549 } 1550 case PACKAGE_VERIFIED: { 1551 final int verificationId = msg.arg1; 1552 1553 final PackageVerificationState state = mPendingVerification.get(verificationId); 1554 if (state == null) { 1555 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1556 break; 1557 } 1558 1559 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1560 1561 state.setVerifierResponse(response.callerUid, response.code); 1562 1563 if (state.isVerificationComplete()) { 1564 mPendingVerification.remove(verificationId); 1565 1566 final InstallArgs args = state.getInstallArgs(); 1567 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1568 1569 int ret; 1570 if (state.isInstallAllowed()) { 1571 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1572 broadcastPackageVerified(verificationId, originUri, 1573 response.code, state.getInstallArgs().getUser()); 1574 try { 1575 ret = args.copyApk(mContainerService, true); 1576 } catch (RemoteException e) { 1577 Slog.e(TAG, "Could not contact the ContainerService"); 1578 } 1579 } else { 1580 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1581 } 1582 1583 Trace.asyncTraceEnd( 1584 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1585 1586 processPendingInstall(args, ret); 1587 mHandler.sendEmptyMessage(MCS_UNBIND); 1588 } 1589 1590 break; 1591 } 1592 case START_INTENT_FILTER_VERIFICATIONS: { 1593 IFVerificationParams params = (IFVerificationParams) msg.obj; 1594 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1595 params.replacing, params.pkg); 1596 break; 1597 } 1598 case INTENT_FILTER_VERIFIED: { 1599 final int verificationId = msg.arg1; 1600 1601 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1602 verificationId); 1603 if (state == null) { 1604 Slog.w(TAG, "Invalid IntentFilter verification token " 1605 + verificationId + " received"); 1606 break; 1607 } 1608 1609 final int userId = state.getUserId(); 1610 1611 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1612 "Processing IntentFilter verification with token:" 1613 + verificationId + " and userId:" + userId); 1614 1615 final IntentFilterVerificationResponse response = 1616 (IntentFilterVerificationResponse) msg.obj; 1617 1618 state.setVerifierResponse(response.callerUid, response.code); 1619 1620 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1621 "IntentFilter verification with token:" + verificationId 1622 + " and userId:" + userId 1623 + " is settings verifier response with response code:" 1624 + response.code); 1625 1626 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1627 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1628 + response.getFailedDomainsString()); 1629 } 1630 1631 if (state.isVerificationComplete()) { 1632 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1633 } else { 1634 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1635 "IntentFilter verification with token:" + verificationId 1636 + " was not said to be complete"); 1637 } 1638 1639 break; 1640 } 1641 } 1642 } 1643 } 1644 1645 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1646 boolean killApp, String[] grantedPermissions, 1647 boolean launchedForRestore, String installerPackage, 1648 IPackageInstallObserver2 installObserver) { 1649 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1650 // Send the removed broadcasts 1651 if (res.removedInfo != null) { 1652 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1653 } 1654 1655 // Now that we successfully installed the package, grant runtime 1656 // permissions if requested before broadcasting the install. 1657 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1658 >= Build.VERSION_CODES.M) { 1659 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1660 } 1661 1662 final boolean update = res.removedInfo != null 1663 && res.removedInfo.removedPackage != null; 1664 1665 // If this is the first time we have child packages for a disabled privileged 1666 // app that had no children, we grant requested runtime permissions to the new 1667 // children if the parent on the system image had them already granted. 1668 if (res.pkg.parentPackage != null) { 1669 synchronized (mPackages) { 1670 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1671 } 1672 } 1673 1674 synchronized (mPackages) { 1675 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1676 } 1677 1678 final String packageName = res.pkg.applicationInfo.packageName; 1679 1680 // Determine the set of users who are adding this package for 1681 // the first time vs. those who are seeing an update. 1682 int[] firstUsers = EMPTY_INT_ARRAY; 1683 int[] updateUsers = EMPTY_INT_ARRAY; 1684 if (res.origUsers == null || res.origUsers.length == 0) { 1685 firstUsers = res.newUsers; 1686 } else { 1687 for (int newUser : res.newUsers) { 1688 boolean isNew = true; 1689 for (int origUser : res.origUsers) { 1690 if (origUser == newUser) { 1691 isNew = false; 1692 break; 1693 } 1694 } 1695 if (isNew) { 1696 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1697 } else { 1698 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1699 } 1700 } 1701 } 1702 1703 // Send installed broadcasts if the install/update is not ephemeral 1704 if (!isEphemeral(res.pkg)) { 1705 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1706 1707 // Send added for users that see the package for the first time 1708 // sendPackageAddedForNewUsers also deals with system apps 1709 int appId = UserHandle.getAppId(res.uid); 1710 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1711 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1712 1713 // Send added for users that don't see the package for the first time 1714 Bundle extras = new Bundle(1); 1715 extras.putInt(Intent.EXTRA_UID, res.uid); 1716 if (update) { 1717 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1718 } 1719 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1720 extras, 0 /*flags*/, null /*targetPackage*/, 1721 null /*finishedReceiver*/, updateUsers); 1722 1723 // Send replaced for users that don't see the package for the first time 1724 if (update) { 1725 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1726 packageName, extras, 0 /*flags*/, 1727 null /*targetPackage*/, null /*finishedReceiver*/, 1728 updateUsers); 1729 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1730 null /*package*/, null /*extras*/, 0 /*flags*/, 1731 packageName /*targetPackage*/, 1732 null /*finishedReceiver*/, updateUsers); 1733 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1734 // First-install and we did a restore, so we're responsible for the 1735 // first-launch broadcast. 1736 if (DEBUG_BACKUP) { 1737 Slog.i(TAG, "Post-restore of " + packageName 1738 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1739 } 1740 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1741 } 1742 1743 // Send broadcast package appeared if forward locked/external for all users 1744 // treat asec-hosted packages like removable media on upgrade 1745 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1746 if (DEBUG_INSTALL) { 1747 Slog.i(TAG, "upgrading pkg " + res.pkg 1748 + " is ASEC-hosted -> AVAILABLE"); 1749 } 1750 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1751 ArrayList<String> pkgList = new ArrayList<>(1); 1752 pkgList.add(packageName); 1753 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1754 } 1755 } 1756 1757 // Work that needs to happen on first install within each user 1758 if (firstUsers != null && firstUsers.length > 0) { 1759 synchronized (mPackages) { 1760 for (int userId : firstUsers) { 1761 // If this app is a browser and it's newly-installed for some 1762 // users, clear any default-browser state in those users. The 1763 // app's nature doesn't depend on the user, so we can just check 1764 // its browser nature in any user and generalize. 1765 if (packageIsBrowser(packageName, userId)) { 1766 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1767 } 1768 1769 // We may also need to apply pending (restored) runtime 1770 // permission grants within these users. 1771 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1772 } 1773 } 1774 } 1775 1776 // Log current value of "unknown sources" setting 1777 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1778 getUnknownSourcesSettings()); 1779 1780 // Force a gc to clear up things 1781 Runtime.getRuntime().gc(); 1782 1783 // Remove the replaced package's older resources safely now 1784 // We delete after a gc for applications on sdcard. 1785 if (res.removedInfo != null && res.removedInfo.args != null) { 1786 synchronized (mInstallLock) { 1787 res.removedInfo.args.doPostDeleteLI(true); 1788 } 1789 } 1790 } 1791 1792 // If someone is watching installs - notify them 1793 if (installObserver != null) { 1794 try { 1795 Bundle extras = extrasForInstallResult(res); 1796 installObserver.onPackageInstalled(res.name, res.returnCode, 1797 res.returnMsg, extras); 1798 } catch (RemoteException e) { 1799 Slog.i(TAG, "Observer no longer exists."); 1800 } 1801 } 1802 } 1803 1804 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1805 PackageParser.Package pkg) { 1806 if (pkg.parentPackage == null) { 1807 return; 1808 } 1809 if (pkg.requestedPermissions == null) { 1810 return; 1811 } 1812 final PackageSetting disabledSysParentPs = mSettings 1813 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1814 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1815 || !disabledSysParentPs.isPrivileged() 1816 || (disabledSysParentPs.childPackageNames != null 1817 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1818 return; 1819 } 1820 final int[] allUserIds = sUserManager.getUserIds(); 1821 final int permCount = pkg.requestedPermissions.size(); 1822 for (int i = 0; i < permCount; i++) { 1823 String permission = pkg.requestedPermissions.get(i); 1824 BasePermission bp = mSettings.mPermissions.get(permission); 1825 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1826 continue; 1827 } 1828 for (int userId : allUserIds) { 1829 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1830 permission, userId)) { 1831 grantRuntimePermission(pkg.packageName, permission, userId); 1832 } 1833 } 1834 } 1835 } 1836 1837 private StorageEventListener mStorageListener = new StorageEventListener() { 1838 @Override 1839 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1840 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1841 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1842 final String volumeUuid = vol.getFsUuid(); 1843 1844 // Clean up any users or apps that were removed or recreated 1845 // while this volume was missing 1846 reconcileUsers(volumeUuid); 1847 reconcileApps(volumeUuid); 1848 1849 // Clean up any install sessions that expired or were 1850 // cancelled while this volume was missing 1851 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1852 1853 loadPrivatePackages(vol); 1854 1855 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1856 unloadPrivatePackages(vol); 1857 } 1858 } 1859 1860 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1861 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1862 updateExternalMediaStatus(true, false); 1863 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1864 updateExternalMediaStatus(false, false); 1865 } 1866 } 1867 } 1868 1869 @Override 1870 public void onVolumeForgotten(String fsUuid) { 1871 if (TextUtils.isEmpty(fsUuid)) { 1872 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1873 return; 1874 } 1875 1876 // Remove any apps installed on the forgotten volume 1877 synchronized (mPackages) { 1878 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1879 for (PackageSetting ps : packages) { 1880 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1881 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1882 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1883 } 1884 1885 mSettings.onVolumeForgotten(fsUuid); 1886 mSettings.writeLPr(); 1887 } 1888 } 1889 }; 1890 1891 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1892 String[] grantedPermissions) { 1893 for (int userId : userIds) { 1894 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1895 } 1896 1897 // We could have touched GID membership, so flush out packages.list 1898 synchronized (mPackages) { 1899 mSettings.writePackageListLPr(); 1900 } 1901 } 1902 1903 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1904 String[] grantedPermissions) { 1905 SettingBase sb = (SettingBase) pkg.mExtras; 1906 if (sb == null) { 1907 return; 1908 } 1909 1910 PermissionsState permissionsState = sb.getPermissionsState(); 1911 1912 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1913 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1914 1915 for (String permission : pkg.requestedPermissions) { 1916 final BasePermission bp; 1917 synchronized (mPackages) { 1918 bp = mSettings.mPermissions.get(permission); 1919 } 1920 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1921 && (grantedPermissions == null 1922 || ArrayUtils.contains(grantedPermissions, permission))) { 1923 final int flags = permissionsState.getPermissionFlags(permission, userId); 1924 // Installer cannot change immutable permissions. 1925 if ((flags & immutableFlags) == 0) { 1926 grantRuntimePermission(pkg.packageName, permission, userId); 1927 } 1928 } 1929 } 1930 } 1931 1932 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1933 Bundle extras = null; 1934 switch (res.returnCode) { 1935 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1936 extras = new Bundle(); 1937 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1938 res.origPermission); 1939 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1940 res.origPackage); 1941 break; 1942 } 1943 case PackageManager.INSTALL_SUCCEEDED: { 1944 extras = new Bundle(); 1945 extras.putBoolean(Intent.EXTRA_REPLACING, 1946 res.removedInfo != null && res.removedInfo.removedPackage != null); 1947 break; 1948 } 1949 } 1950 return extras; 1951 } 1952 1953 void scheduleWriteSettingsLocked() { 1954 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1955 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1956 } 1957 } 1958 1959 void scheduleWritePackageListLocked(int userId) { 1960 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1961 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1962 msg.arg1 = userId; 1963 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1964 } 1965 } 1966 1967 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1968 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1969 scheduleWritePackageRestrictionsLocked(userId); 1970 } 1971 1972 void scheduleWritePackageRestrictionsLocked(int userId) { 1973 final int[] userIds = (userId == UserHandle.USER_ALL) 1974 ? sUserManager.getUserIds() : new int[]{userId}; 1975 for (int nextUserId : userIds) { 1976 if (!sUserManager.exists(nextUserId)) return; 1977 mDirtyUsers.add(nextUserId); 1978 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1979 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1980 } 1981 } 1982 } 1983 1984 public static PackageManagerService main(Context context, Installer installer, 1985 boolean factoryTest, boolean onlyCore) { 1986 // Self-check for initial settings. 1987 PackageManagerServiceCompilerMapping.checkProperties(); 1988 1989 PackageManagerService m = new PackageManagerService(context, installer, 1990 factoryTest, onlyCore); 1991 m.enableSystemUserPackages(); 1992 ServiceManager.addService("package", m); 1993 return m; 1994 } 1995 1996 private void enableSystemUserPackages() { 1997 if (!UserManager.isSplitSystemUser()) { 1998 return; 1999 } 2000 // For system user, enable apps based on the following conditions: 2001 // - app is whitelisted or belong to one of these groups: 2002 // -- system app which has no launcher icons 2003 // -- system app which has INTERACT_ACROSS_USERS permission 2004 // -- system IME app 2005 // - app is not in the blacklist 2006 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2007 Set<String> enableApps = new ArraySet<>(); 2008 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2009 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2010 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2011 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2012 enableApps.addAll(wlApps); 2013 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2014 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2015 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2016 enableApps.removeAll(blApps); 2017 Log.i(TAG, "Applications installed for system user: " + enableApps); 2018 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2019 UserHandle.SYSTEM); 2020 final int allAppsSize = allAps.size(); 2021 synchronized (mPackages) { 2022 for (int i = 0; i < allAppsSize; i++) { 2023 String pName = allAps.get(i); 2024 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2025 // Should not happen, but we shouldn't be failing if it does 2026 if (pkgSetting == null) { 2027 continue; 2028 } 2029 boolean install = enableApps.contains(pName); 2030 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2031 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2032 + " for system user"); 2033 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2034 } 2035 } 2036 } 2037 } 2038 2039 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2040 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2041 Context.DISPLAY_SERVICE); 2042 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2043 } 2044 2045 /** 2046 * Requests that files preopted on a secondary system partition be copied to the data partition 2047 * if possible. Note that the actual copying of the files is accomplished by init for security 2048 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2049 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2050 */ 2051 private static void requestCopyPreoptedFiles() { 2052 final int WAIT_TIME_MS = 100; 2053 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2054 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2055 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2056 // We will wait for up to 100 seconds. 2057 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2058 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2059 try { 2060 Thread.sleep(WAIT_TIME_MS); 2061 } catch (InterruptedException e) { 2062 // Do nothing 2063 } 2064 if (SystemClock.uptimeMillis() > timeEnd) { 2065 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2066 Slog.wtf(TAG, "cppreopt did not finish!"); 2067 break; 2068 } 2069 } 2070 } 2071 } 2072 2073 public PackageManagerService(Context context, Installer installer, 2074 boolean factoryTest, boolean onlyCore) { 2075 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2076 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2077 SystemClock.uptimeMillis()); 2078 2079 if (mSdkVersion <= 0) { 2080 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2081 } 2082 2083 mContext = context; 2084 2085 mPermissionReviewRequired = context.getResources().getBoolean( 2086 R.bool.config_permissionReviewRequired); 2087 2088 mFactoryTest = factoryTest; 2089 mOnlyCore = onlyCore; 2090 mMetrics = new DisplayMetrics(); 2091 mSettings = new Settings(mPackages); 2092 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2093 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2094 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2095 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2096 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2097 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2098 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2099 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2100 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2101 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2102 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2103 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2104 2105 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2106 if (separateProcesses != null && separateProcesses.length() > 0) { 2107 if ("*".equals(separateProcesses)) { 2108 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2109 mSeparateProcesses = null; 2110 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2111 } else { 2112 mDefParseFlags = 0; 2113 mSeparateProcesses = separateProcesses.split(","); 2114 Slog.w(TAG, "Running with debug.separate_processes: " 2115 + separateProcesses); 2116 } 2117 } else { 2118 mDefParseFlags = 0; 2119 mSeparateProcesses = null; 2120 } 2121 2122 mInstaller = installer; 2123 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2124 "*dexopt*"); 2125 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2126 2127 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2128 FgThread.get().getLooper()); 2129 2130 getDefaultDisplayMetrics(context, mMetrics); 2131 2132 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2133 SystemConfig systemConfig = SystemConfig.getInstance(); 2134 mGlobalGids = systemConfig.getGlobalGids(); 2135 mSystemPermissions = systemConfig.getSystemPermissions(); 2136 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2137 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2138 2139 mProtectedPackages = new ProtectedPackages(mContext); 2140 2141 synchronized (mInstallLock) { 2142 // writer 2143 synchronized (mPackages) { 2144 mHandlerThread = new ServiceThread(TAG, 2145 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2146 mHandlerThread.start(); 2147 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2148 mProcessLoggingHandler = new ProcessLoggingHandler(); 2149 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2150 2151 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2152 2153 File dataDir = Environment.getDataDirectory(); 2154 mAppInstallDir = new File(dataDir, "app"); 2155 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2156 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2157 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2158 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2159 2160 sUserManager = new UserManagerService(context, this, mPackages); 2161 2162 // Propagate permission configuration in to package manager. 2163 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2164 = systemConfig.getPermissions(); 2165 for (int i=0; i<permConfig.size(); i++) { 2166 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2167 BasePermission bp = mSettings.mPermissions.get(perm.name); 2168 if (bp == null) { 2169 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2170 mSettings.mPermissions.put(perm.name, bp); 2171 } 2172 if (perm.gids != null) { 2173 bp.setGids(perm.gids, perm.perUser); 2174 } 2175 } 2176 2177 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2178 for (int i=0; i<libConfig.size(); i++) { 2179 mSharedLibraries.put(libConfig.keyAt(i), 2180 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2181 } 2182 2183 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2184 2185 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2186 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2187 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2188 2189 if (mFirstBoot) { 2190 requestCopyPreoptedFiles(); 2191 } 2192 2193 String customResolverActivity = Resources.getSystem().getString( 2194 R.string.config_customResolverActivity); 2195 if (TextUtils.isEmpty(customResolverActivity)) { 2196 customResolverActivity = null; 2197 } else { 2198 mCustomResolverComponentName = ComponentName.unflattenFromString( 2199 customResolverActivity); 2200 } 2201 2202 long startTime = SystemClock.uptimeMillis(); 2203 2204 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2205 startTime); 2206 2207 // Set flag to monitor and not change apk file paths when 2208 // scanning install directories. 2209 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2210 2211 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2212 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2213 2214 if (bootClassPath == null) { 2215 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2216 } 2217 2218 if (systemServerClassPath == null) { 2219 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2220 } 2221 2222 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2223 final String[] dexCodeInstructionSets = 2224 getDexCodeInstructionSets( 2225 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2226 2227 /** 2228 * Ensure all external libraries have had dexopt run on them. 2229 */ 2230 if (mSharedLibraries.size() > 0) { 2231 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2232 // NOTE: For now, we're compiling these system "shared libraries" 2233 // (and framework jars) into all available architectures. It's possible 2234 // to compile them only when we come across an app that uses them (there's 2235 // already logic for that in scanPackageLI) but that adds some complexity. 2236 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2237 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2238 final String lib = libEntry.path; 2239 if (lib == null) { 2240 continue; 2241 } 2242 2243 try { 2244 // Shared libraries do not have profiles so we perform a full 2245 // AOT compilation (if needed). 2246 int dexoptNeeded = DexFile.getDexOptNeeded( 2247 lib, dexCodeInstructionSet, 2248 getCompilerFilterForReason(REASON_SHARED_APK), 2249 false /* newProfile */); 2250 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2251 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2252 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2253 getCompilerFilterForReason(REASON_SHARED_APK), 2254 StorageManager.UUID_PRIVATE_INTERNAL, 2255 SKIP_SHARED_LIBRARY_CHECK); 2256 } 2257 } catch (FileNotFoundException e) { 2258 Slog.w(TAG, "Library not found: " + lib); 2259 } catch (IOException | InstallerException e) { 2260 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2261 + e.getMessage()); 2262 } 2263 } 2264 } 2265 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2266 } 2267 2268 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2269 2270 final VersionInfo ver = mSettings.getInternalVersion(); 2271 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2272 2273 // when upgrading from pre-M, promote system app permissions from install to runtime 2274 mPromoteSystemApps = 2275 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2276 2277 // When upgrading from pre-N, we need to handle package extraction like first boot, 2278 // as there is no profiling data available. 2279 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2280 2281 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2282 2283 // save off the names of pre-existing system packages prior to scanning; we don't 2284 // want to automatically grant runtime permissions for new system apps 2285 if (mPromoteSystemApps) { 2286 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2287 while (pkgSettingIter.hasNext()) { 2288 PackageSetting ps = pkgSettingIter.next(); 2289 if (isSystemApp(ps)) { 2290 mExistingSystemPackages.add(ps.name); 2291 } 2292 } 2293 } 2294 2295 // Collect vendor overlay packages. (Do this before scanning any apps.) 2296 // For security and version matching reason, only consider 2297 // overlay packages if they reside in the right directory. 2298 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2299 if (overlayThemeDir.isEmpty()) { 2300 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2301 } 2302 if (!overlayThemeDir.isEmpty()) { 2303 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2304 | PackageParser.PARSE_IS_SYSTEM 2305 | PackageParser.PARSE_IS_SYSTEM_DIR 2306 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2307 } 2308 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2309 | PackageParser.PARSE_IS_SYSTEM 2310 | PackageParser.PARSE_IS_SYSTEM_DIR 2311 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2312 2313 // Find base frameworks (resource packages without code). 2314 scanDirTracedLI(frameworkDir, mDefParseFlags 2315 | PackageParser.PARSE_IS_SYSTEM 2316 | PackageParser.PARSE_IS_SYSTEM_DIR 2317 | PackageParser.PARSE_IS_PRIVILEGED, 2318 scanFlags | SCAN_NO_DEX, 0); 2319 2320 // Collected privileged system packages. 2321 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2322 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2323 | PackageParser.PARSE_IS_SYSTEM 2324 | PackageParser.PARSE_IS_SYSTEM_DIR 2325 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2326 2327 // Collect ordinary system packages. 2328 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2329 scanDirTracedLI(systemAppDir, mDefParseFlags 2330 | PackageParser.PARSE_IS_SYSTEM 2331 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2332 2333 // Collect all vendor packages. 2334 File vendorAppDir = new File("/vendor/app"); 2335 try { 2336 vendorAppDir = vendorAppDir.getCanonicalFile(); 2337 } catch (IOException e) { 2338 // failed to look up canonical path, continue with original one 2339 } 2340 scanDirTracedLI(vendorAppDir, mDefParseFlags 2341 | PackageParser.PARSE_IS_SYSTEM 2342 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2343 2344 // Collect all OEM packages. 2345 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2346 scanDirTracedLI(oemAppDir, mDefParseFlags 2347 | PackageParser.PARSE_IS_SYSTEM 2348 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2349 2350 // Prune any system packages that no longer exist. 2351 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2352 if (!mOnlyCore) { 2353 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2354 while (psit.hasNext()) { 2355 PackageSetting ps = psit.next(); 2356 2357 /* 2358 * If this is not a system app, it can't be a 2359 * disable system app. 2360 */ 2361 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2362 continue; 2363 } 2364 2365 /* 2366 * If the package is scanned, it's not erased. 2367 */ 2368 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2369 if (scannedPkg != null) { 2370 /* 2371 * If the system app is both scanned and in the 2372 * disabled packages list, then it must have been 2373 * added via OTA. Remove it from the currently 2374 * scanned package so the previously user-installed 2375 * application can be scanned. 2376 */ 2377 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2378 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2379 + ps.name + "; removing system app. Last known codePath=" 2380 + ps.codePathString + ", installStatus=" + ps.installStatus 2381 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2382 + scannedPkg.mVersionCode); 2383 removePackageLI(scannedPkg, true); 2384 mExpectingBetter.put(ps.name, ps.codePath); 2385 } 2386 2387 continue; 2388 } 2389 2390 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2391 psit.remove(); 2392 logCriticalInfo(Log.WARN, "System package " + ps.name 2393 + " no longer exists; it's data will be wiped"); 2394 // Actual deletion of code and data will be handled by later 2395 // reconciliation step 2396 } else { 2397 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2398 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2399 possiblyDeletedUpdatedSystemApps.add(ps.name); 2400 } 2401 } 2402 } 2403 } 2404 2405 //look for any incomplete package installations 2406 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2407 for (int i = 0; i < deletePkgsList.size(); i++) { 2408 // Actual deletion of code and data will be handled by later 2409 // reconciliation step 2410 final String packageName = deletePkgsList.get(i).name; 2411 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2412 synchronized (mPackages) { 2413 mSettings.removePackageLPw(packageName); 2414 } 2415 } 2416 2417 //delete tmp files 2418 deleteTempPackageFiles(); 2419 2420 // Remove any shared userIDs that have no associated packages 2421 mSettings.pruneSharedUsersLPw(); 2422 2423 if (!mOnlyCore) { 2424 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2425 SystemClock.uptimeMillis()); 2426 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2427 2428 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2429 | PackageParser.PARSE_FORWARD_LOCK, 2430 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2431 2432 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2433 | PackageParser.PARSE_IS_EPHEMERAL, 2434 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2435 2436 /** 2437 * Remove disable package settings for any updated system 2438 * apps that were removed via an OTA. If they're not a 2439 * previously-updated app, remove them completely. 2440 * Otherwise, just revoke their system-level permissions. 2441 */ 2442 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2443 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2444 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2445 2446 String msg; 2447 if (deletedPkg == null) { 2448 msg = "Updated system package " + deletedAppName 2449 + " no longer exists; it's data will be wiped"; 2450 // Actual deletion of code and data will be handled by later 2451 // reconciliation step 2452 } else { 2453 msg = "Updated system app + " + deletedAppName 2454 + " no longer present; removing system privileges for " 2455 + deletedAppName; 2456 2457 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2458 2459 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2460 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2461 } 2462 logCriticalInfo(Log.WARN, msg); 2463 } 2464 2465 /** 2466 * Make sure all system apps that we expected to appear on 2467 * the userdata partition actually showed up. If they never 2468 * appeared, crawl back and revive the system version. 2469 */ 2470 for (int i = 0; i < mExpectingBetter.size(); i++) { 2471 final String packageName = mExpectingBetter.keyAt(i); 2472 if (!mPackages.containsKey(packageName)) { 2473 final File scanFile = mExpectingBetter.valueAt(i); 2474 2475 logCriticalInfo(Log.WARN, "Expected better " + packageName 2476 + " but never showed up; reverting to system"); 2477 2478 int reparseFlags = mDefParseFlags; 2479 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2480 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2481 | PackageParser.PARSE_IS_SYSTEM_DIR 2482 | PackageParser.PARSE_IS_PRIVILEGED; 2483 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2484 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2485 | PackageParser.PARSE_IS_SYSTEM_DIR; 2486 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2487 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2488 | PackageParser.PARSE_IS_SYSTEM_DIR; 2489 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2490 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2491 | PackageParser.PARSE_IS_SYSTEM_DIR; 2492 } else { 2493 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2494 continue; 2495 } 2496 2497 mSettings.enableSystemPackageLPw(packageName); 2498 2499 try { 2500 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2501 } catch (PackageManagerException e) { 2502 Slog.e(TAG, "Failed to parse original system package: " 2503 + e.getMessage()); 2504 } 2505 } 2506 } 2507 } 2508 mExpectingBetter.clear(); 2509 2510 // Resolve the storage manager. 2511 mStorageManagerPackage = getStorageManagerPackageName(); 2512 2513 // Resolve protected action filters. Only the setup wizard is allowed to 2514 // have a high priority filter for these actions. 2515 mSetupWizardPackage = getSetupWizardPackageName(); 2516 if (mProtectedFilters.size() > 0) { 2517 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2518 Slog.i(TAG, "No setup wizard;" 2519 + " All protected intents capped to priority 0"); 2520 } 2521 for (ActivityIntentInfo filter : mProtectedFilters) { 2522 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2523 if (DEBUG_FILTERS) { 2524 Slog.i(TAG, "Found setup wizard;" 2525 + " allow priority " + filter.getPriority() + ";" 2526 + " package: " + filter.activity.info.packageName 2527 + " activity: " + filter.activity.className 2528 + " priority: " + filter.getPriority()); 2529 } 2530 // skip setup wizard; allow it to keep the high priority filter 2531 continue; 2532 } 2533 Slog.w(TAG, "Protected action; cap priority to 0;" 2534 + " package: " + filter.activity.info.packageName 2535 + " activity: " + filter.activity.className 2536 + " origPrio: " + filter.getPriority()); 2537 filter.setPriority(0); 2538 } 2539 } 2540 mDeferProtectedFilters = false; 2541 mProtectedFilters.clear(); 2542 2543 // Now that we know all of the shared libraries, update all clients to have 2544 // the correct library paths. 2545 updateAllSharedLibrariesLPw(); 2546 2547 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2548 // NOTE: We ignore potential failures here during a system scan (like 2549 // the rest of the commands above) because there's precious little we 2550 // can do about it. A settings error is reported, though. 2551 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2552 } 2553 2554 // Now that we know all the packages we are keeping, 2555 // read and update their last usage times. 2556 mPackageUsage.read(mPackages); 2557 mCompilerStats.read(); 2558 2559 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2560 SystemClock.uptimeMillis()); 2561 Slog.i(TAG, "Time to scan packages: " 2562 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2563 + " seconds"); 2564 2565 // If the platform SDK has changed since the last time we booted, 2566 // we need to re-grant app permission to catch any new ones that 2567 // appear. This is really a hack, and means that apps can in some 2568 // cases get permissions that the user didn't initially explicitly 2569 // allow... it would be nice to have some better way to handle 2570 // this situation. 2571 int updateFlags = UPDATE_PERMISSIONS_ALL; 2572 if (ver.sdkVersion != mSdkVersion) { 2573 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2574 + mSdkVersion + "; regranting permissions for internal storage"); 2575 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2576 } 2577 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2578 ver.sdkVersion = mSdkVersion; 2579 2580 // If this is the first boot or an update from pre-M, and it is a normal 2581 // boot, then we need to initialize the default preferred apps across 2582 // all defined users. 2583 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2584 for (UserInfo user : sUserManager.getUsers(true)) { 2585 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2586 applyFactoryDefaultBrowserLPw(user.id); 2587 primeDomainVerificationsLPw(user.id); 2588 } 2589 } 2590 2591 // Prepare storage for system user really early during boot, 2592 // since core system apps like SettingsProvider and SystemUI 2593 // can't wait for user to start 2594 final int storageFlags; 2595 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2596 storageFlags = StorageManager.FLAG_STORAGE_DE; 2597 } else { 2598 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2599 } 2600 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2601 storageFlags, true /* migrateAppData */); 2602 2603 // If this is first boot after an OTA, and a normal boot, then 2604 // we need to clear code cache directories. 2605 // Note that we do *not* clear the application profiles. These remain valid 2606 // across OTAs and are used to drive profile verification (post OTA) and 2607 // profile compilation (without waiting to collect a fresh set of profiles). 2608 if (mIsUpgrade && !onlyCore) { 2609 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2610 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2611 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2612 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2613 // No apps are running this early, so no need to freeze 2614 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2615 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2616 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2617 } 2618 } 2619 ver.fingerprint = Build.FINGERPRINT; 2620 } 2621 2622 checkDefaultBrowser(); 2623 2624 // clear only after permissions and other defaults have been updated 2625 mExistingSystemPackages.clear(); 2626 mPromoteSystemApps = false; 2627 2628 // All the changes are done during package scanning. 2629 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2630 2631 // can downgrade to reader 2632 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2633 mSettings.writeLPr(); 2634 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2635 2636 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2637 // early on (before the package manager declares itself as early) because other 2638 // components in the system server might ask for package contexts for these apps. 2639 // 2640 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2641 // (i.e, that the data partition is unavailable). 2642 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2643 long start = System.nanoTime(); 2644 List<PackageParser.Package> coreApps = new ArrayList<>(); 2645 for (PackageParser.Package pkg : mPackages.values()) { 2646 if (pkg.coreApp) { 2647 coreApps.add(pkg); 2648 } 2649 } 2650 2651 int[] stats = performDexOptUpgrade(coreApps, false, 2652 getCompilerFilterForReason(REASON_CORE_APP)); 2653 2654 final int elapsedTimeSeconds = 2655 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2656 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2657 2658 if (DEBUG_DEXOPT) { 2659 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2660 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2661 } 2662 2663 2664 // TODO: Should we log these stats to tron too ? 2665 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2666 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2667 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2668 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2669 } 2670 2671 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2672 SystemClock.uptimeMillis()); 2673 2674 if (!mOnlyCore) { 2675 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2676 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2677 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2678 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2679 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2680 mIntentFilterVerifierComponent); 2681 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2682 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2683 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2684 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2685 } else { 2686 mRequiredVerifierPackage = null; 2687 mRequiredInstallerPackage = null; 2688 mRequiredUninstallerPackage = null; 2689 mIntentFilterVerifierComponent = null; 2690 mIntentFilterVerifier = null; 2691 mServicesSystemSharedLibraryPackageName = null; 2692 mSharedSystemSharedLibraryPackageName = null; 2693 } 2694 2695 mInstallerService = new PackageInstallerService(context, this); 2696 2697 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2698 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2699 // both the installer and resolver must be present to enable ephemeral 2700 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2701 if (DEBUG_EPHEMERAL) { 2702 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2703 + " installer:" + ephemeralInstallerComponent); 2704 } 2705 mEphemeralResolverComponent = ephemeralResolverComponent; 2706 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2707 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2708 mEphemeralResolverConnection = 2709 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2710 } else { 2711 if (DEBUG_EPHEMERAL) { 2712 final String missingComponent = 2713 (ephemeralResolverComponent == null) 2714 ? (ephemeralInstallerComponent == null) 2715 ? "resolver and installer" 2716 : "resolver" 2717 : "installer"; 2718 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2719 } 2720 mEphemeralResolverComponent = null; 2721 mEphemeralInstallerComponent = null; 2722 mEphemeralResolverConnection = null; 2723 } 2724 2725 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2726 } // synchronized (mPackages) 2727 } // synchronized (mInstallLock) 2728 2729 // Now after opening every single application zip, make sure they 2730 // are all flushed. Not really needed, but keeps things nice and 2731 // tidy. 2732 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2733 Runtime.getRuntime().gc(); 2734 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2735 2736 // The initial scanning above does many calls into installd while 2737 // holding the mPackages lock, but we're mostly interested in yelling 2738 // once we have a booted system. 2739 mInstaller.setWarnIfHeld(mPackages); 2740 2741 // Expose private service for system components to use. 2742 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2743 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2744 } 2745 2746 @Override 2747 public boolean isFirstBoot() { 2748 return mFirstBoot; 2749 } 2750 2751 @Override 2752 public boolean isOnlyCoreApps() { 2753 return mOnlyCore; 2754 } 2755 2756 @Override 2757 public boolean isUpgrade() { 2758 return mIsUpgrade; 2759 } 2760 2761 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2762 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2763 2764 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2765 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2766 UserHandle.USER_SYSTEM); 2767 if (matches.size() == 1) { 2768 return matches.get(0).getComponentInfo().packageName; 2769 } else if (matches.size() == 0) { 2770 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2771 return null; 2772 } 2773 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2774 } 2775 2776 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2777 synchronized (mPackages) { 2778 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2779 if (libraryEntry == null) { 2780 throw new IllegalStateException("Missing required shared library:" + libraryName); 2781 } 2782 return libraryEntry.apk; 2783 } 2784 } 2785 2786 private @NonNull String getRequiredInstallerLPr() { 2787 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2788 intent.addCategory(Intent.CATEGORY_DEFAULT); 2789 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2790 2791 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2792 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2793 UserHandle.USER_SYSTEM); 2794 if (matches.size() == 1) { 2795 ResolveInfo resolveInfo = matches.get(0); 2796 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2797 throw new RuntimeException("The installer must be a privileged app"); 2798 } 2799 return matches.get(0).getComponentInfo().packageName; 2800 } else { 2801 throw new RuntimeException("There must be exactly one installer; found " + matches); 2802 } 2803 } 2804 2805 private @NonNull String getRequiredUninstallerLPr() { 2806 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2807 intent.addCategory(Intent.CATEGORY_DEFAULT); 2808 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2809 2810 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2811 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2812 UserHandle.USER_SYSTEM); 2813 if (resolveInfo == null || 2814 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2815 throw new RuntimeException("There must be exactly one uninstaller; found " 2816 + resolveInfo); 2817 } 2818 return resolveInfo.getComponentInfo().packageName; 2819 } 2820 2821 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2822 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2823 2824 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2825 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2826 UserHandle.USER_SYSTEM); 2827 ResolveInfo best = null; 2828 final int N = matches.size(); 2829 for (int i = 0; i < N; i++) { 2830 final ResolveInfo cur = matches.get(i); 2831 final String packageName = cur.getComponentInfo().packageName; 2832 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2833 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2834 continue; 2835 } 2836 2837 if (best == null || cur.priority > best.priority) { 2838 best = cur; 2839 } 2840 } 2841 2842 if (best != null) { 2843 return best.getComponentInfo().getComponentName(); 2844 } else { 2845 throw new RuntimeException("There must be at least one intent filter verifier"); 2846 } 2847 } 2848 2849 private @Nullable ComponentName getEphemeralResolverLPr() { 2850 final String[] packageArray = 2851 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2852 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2853 if (DEBUG_EPHEMERAL) { 2854 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2855 } 2856 return null; 2857 } 2858 2859 final int resolveFlags = 2860 MATCH_DIRECT_BOOT_AWARE 2861 | MATCH_DIRECT_BOOT_UNAWARE 2862 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2863 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2864 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2865 resolveFlags, UserHandle.USER_SYSTEM); 2866 2867 final int N = resolvers.size(); 2868 if (N == 0) { 2869 if (DEBUG_EPHEMERAL) { 2870 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2871 } 2872 return null; 2873 } 2874 2875 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2876 for (int i = 0; i < N; i++) { 2877 final ResolveInfo info = resolvers.get(i); 2878 2879 if (info.serviceInfo == null) { 2880 continue; 2881 } 2882 2883 final String packageName = info.serviceInfo.packageName; 2884 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2885 if (DEBUG_EPHEMERAL) { 2886 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2887 + " pkg: " + packageName + ", info:" + info); 2888 } 2889 continue; 2890 } 2891 2892 if (DEBUG_EPHEMERAL) { 2893 Slog.v(TAG, "Ephemeral resolver found;" 2894 + " pkg: " + packageName + ", info:" + info); 2895 } 2896 return new ComponentName(packageName, info.serviceInfo.name); 2897 } 2898 if (DEBUG_EPHEMERAL) { 2899 Slog.v(TAG, "Ephemeral resolver NOT found"); 2900 } 2901 return null; 2902 } 2903 2904 private @Nullable ComponentName getEphemeralInstallerLPr() { 2905 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2906 intent.addCategory(Intent.CATEGORY_DEFAULT); 2907 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2908 2909 final int resolveFlags = 2910 MATCH_DIRECT_BOOT_AWARE 2911 | MATCH_DIRECT_BOOT_UNAWARE 2912 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2913 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2914 resolveFlags, UserHandle.USER_SYSTEM); 2915 if (matches.size() == 0) { 2916 return null; 2917 } else if (matches.size() == 1) { 2918 return matches.get(0).getComponentInfo().getComponentName(); 2919 } else { 2920 throw new RuntimeException( 2921 "There must be at most one ephemeral installer; found " + matches); 2922 } 2923 } 2924 2925 private void primeDomainVerificationsLPw(int userId) { 2926 if (DEBUG_DOMAIN_VERIFICATION) { 2927 Slog.d(TAG, "Priming domain verifications in user " + userId); 2928 } 2929 2930 SystemConfig systemConfig = SystemConfig.getInstance(); 2931 ArraySet<String> packages = systemConfig.getLinkedApps(); 2932 2933 for (String packageName : packages) { 2934 PackageParser.Package pkg = mPackages.get(packageName); 2935 if (pkg != null) { 2936 if (!pkg.isSystemApp()) { 2937 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2938 continue; 2939 } 2940 2941 ArraySet<String> domains = null; 2942 for (PackageParser.Activity a : pkg.activities) { 2943 for (ActivityIntentInfo filter : a.intents) { 2944 if (hasValidDomains(filter)) { 2945 if (domains == null) { 2946 domains = new ArraySet<String>(); 2947 } 2948 domains.addAll(filter.getHostsList()); 2949 } 2950 } 2951 } 2952 2953 if (domains != null && domains.size() > 0) { 2954 if (DEBUG_DOMAIN_VERIFICATION) { 2955 Slog.v(TAG, " + " + packageName); 2956 } 2957 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2958 // state w.r.t. the formal app-linkage "no verification attempted" state; 2959 // and then 'always' in the per-user state actually used for intent resolution. 2960 final IntentFilterVerificationInfo ivi; 2961 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 2962 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2963 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2964 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2965 } else { 2966 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2967 + "' does not handle web links"); 2968 } 2969 } else { 2970 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2971 } 2972 } 2973 2974 scheduleWritePackageRestrictionsLocked(userId); 2975 scheduleWriteSettingsLocked(); 2976 } 2977 2978 private void applyFactoryDefaultBrowserLPw(int userId) { 2979 // The default browser app's package name is stored in a string resource, 2980 // with a product-specific overlay used for vendor customization. 2981 String browserPkg = mContext.getResources().getString( 2982 com.android.internal.R.string.default_browser); 2983 if (!TextUtils.isEmpty(browserPkg)) { 2984 // non-empty string => required to be a known package 2985 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2986 if (ps == null) { 2987 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2988 browserPkg = null; 2989 } else { 2990 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2991 } 2992 } 2993 2994 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2995 // default. If there's more than one, just leave everything alone. 2996 if (browserPkg == null) { 2997 calculateDefaultBrowserLPw(userId); 2998 } 2999 } 3000 3001 private void calculateDefaultBrowserLPw(int userId) { 3002 List<String> allBrowsers = resolveAllBrowserApps(userId); 3003 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3004 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3005 } 3006 3007 private List<String> resolveAllBrowserApps(int userId) { 3008 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3009 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3010 PackageManager.MATCH_ALL, userId); 3011 3012 final int count = list.size(); 3013 List<String> result = new ArrayList<String>(count); 3014 for (int i=0; i<count; i++) { 3015 ResolveInfo info = list.get(i); 3016 if (info.activityInfo == null 3017 || !info.handleAllWebDataURI 3018 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3019 || result.contains(info.activityInfo.packageName)) { 3020 continue; 3021 } 3022 result.add(info.activityInfo.packageName); 3023 } 3024 3025 return result; 3026 } 3027 3028 private boolean packageIsBrowser(String packageName, int userId) { 3029 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3030 PackageManager.MATCH_ALL, userId); 3031 final int N = list.size(); 3032 for (int i = 0; i < N; i++) { 3033 ResolveInfo info = list.get(i); 3034 if (packageName.equals(info.activityInfo.packageName)) { 3035 return true; 3036 } 3037 } 3038 return false; 3039 } 3040 3041 private void checkDefaultBrowser() { 3042 final int myUserId = UserHandle.myUserId(); 3043 final String packageName = getDefaultBrowserPackageName(myUserId); 3044 if (packageName != null) { 3045 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3046 if (info == null) { 3047 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3048 synchronized (mPackages) { 3049 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3050 } 3051 } 3052 } 3053 } 3054 3055 @Override 3056 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3057 throws RemoteException { 3058 try { 3059 return super.onTransact(code, data, reply, flags); 3060 } catch (RuntimeException e) { 3061 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3062 Slog.wtf(TAG, "Package Manager Crash", e); 3063 } 3064 throw e; 3065 } 3066 } 3067 3068 static int[] appendInts(int[] cur, int[] add) { 3069 if (add == null) return cur; 3070 if (cur == null) return add; 3071 final int N = add.length; 3072 for (int i=0; i<N; i++) { 3073 cur = appendInt(cur, add[i]); 3074 } 3075 return cur; 3076 } 3077 3078 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3079 if (!sUserManager.exists(userId)) return null; 3080 if (ps == null) { 3081 return null; 3082 } 3083 final PackageParser.Package p = ps.pkg; 3084 if (p == null) { 3085 return null; 3086 } 3087 3088 final PermissionsState permissionsState = ps.getPermissionsState(); 3089 3090 // Compute GIDs only if requested 3091 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3092 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3093 // Compute granted permissions only if package has requested permissions 3094 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3095 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3096 final PackageUserState state = ps.readUserState(userId); 3097 3098 return PackageParser.generatePackageInfo(p, gids, flags, 3099 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3100 } 3101 3102 @Override 3103 public void checkPackageStartable(String packageName, int userId) { 3104 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3105 3106 synchronized (mPackages) { 3107 final PackageSetting ps = mSettings.mPackages.get(packageName); 3108 if (ps == null) { 3109 throw new SecurityException("Package " + packageName + " was not found!"); 3110 } 3111 3112 if (!ps.getInstalled(userId)) { 3113 throw new SecurityException( 3114 "Package " + packageName + " was not installed for user " + userId + "!"); 3115 } 3116 3117 if (mSafeMode && !ps.isSystem()) { 3118 throw new SecurityException("Package " + packageName + " not a system app!"); 3119 } 3120 3121 if (mFrozenPackages.contains(packageName)) { 3122 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3123 } 3124 3125 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3126 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3127 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3128 } 3129 } 3130 } 3131 3132 @Override 3133 public boolean isPackageAvailable(String packageName, int userId) { 3134 if (!sUserManager.exists(userId)) return false; 3135 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3136 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3137 synchronized (mPackages) { 3138 PackageParser.Package p = mPackages.get(packageName); 3139 if (p != null) { 3140 final PackageSetting ps = (PackageSetting) p.mExtras; 3141 if (ps != null) { 3142 final PackageUserState state = ps.readUserState(userId); 3143 if (state != null) { 3144 return PackageParser.isAvailable(state); 3145 } 3146 } 3147 } 3148 } 3149 return false; 3150 } 3151 3152 @Override 3153 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3154 if (!sUserManager.exists(userId)) return null; 3155 flags = updateFlagsForPackage(flags, userId, packageName); 3156 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3157 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3158 // reader 3159 synchronized (mPackages) { 3160 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3161 PackageParser.Package p = null; 3162 if (matchFactoryOnly) { 3163 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3164 if (ps != null) { 3165 return generatePackageInfo(ps, flags, userId); 3166 } 3167 } 3168 if (p == null) { 3169 p = mPackages.get(packageName); 3170 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3171 return null; 3172 } 3173 } 3174 if (DEBUG_PACKAGE_INFO) 3175 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3176 if (p != null) { 3177 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3178 } 3179 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3180 final PackageSetting ps = mSettings.mPackages.get(packageName); 3181 return generatePackageInfo(ps, flags, userId); 3182 } 3183 } 3184 return null; 3185 } 3186 3187 @Override 3188 public String[] currentToCanonicalPackageNames(String[] names) { 3189 String[] out = new String[names.length]; 3190 // reader 3191 synchronized (mPackages) { 3192 for (int i=names.length-1; i>=0; i--) { 3193 PackageSetting ps = mSettings.mPackages.get(names[i]); 3194 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3195 } 3196 } 3197 return out; 3198 } 3199 3200 @Override 3201 public String[] canonicalToCurrentPackageNames(String[] names) { 3202 String[] out = new String[names.length]; 3203 // reader 3204 synchronized (mPackages) { 3205 for (int i=names.length-1; i>=0; i--) { 3206 String cur = mSettings.getRenamedPackageLPr(names[i]); 3207 out[i] = cur != null ? cur : names[i]; 3208 } 3209 } 3210 return out; 3211 } 3212 3213 @Override 3214 public int getPackageUid(String packageName, int flags, int userId) { 3215 if (!sUserManager.exists(userId)) return -1; 3216 flags = updateFlagsForPackage(flags, userId, packageName); 3217 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3218 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3219 3220 // reader 3221 synchronized (mPackages) { 3222 final PackageParser.Package p = mPackages.get(packageName); 3223 if (p != null && p.isMatch(flags)) { 3224 return UserHandle.getUid(userId, p.applicationInfo.uid); 3225 } 3226 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3227 final PackageSetting ps = mSettings.mPackages.get(packageName); 3228 if (ps != null && ps.isMatch(flags)) { 3229 return UserHandle.getUid(userId, ps.appId); 3230 } 3231 } 3232 } 3233 3234 return -1; 3235 } 3236 3237 @Override 3238 public int[] getPackageGids(String packageName, int flags, int userId) { 3239 if (!sUserManager.exists(userId)) return null; 3240 flags = updateFlagsForPackage(flags, userId, packageName); 3241 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3242 false /* requireFullPermission */, false /* checkShell */, 3243 "getPackageGids"); 3244 3245 // reader 3246 synchronized (mPackages) { 3247 final PackageParser.Package p = mPackages.get(packageName); 3248 if (p != null && p.isMatch(flags)) { 3249 PackageSetting ps = (PackageSetting) p.mExtras; 3250 return ps.getPermissionsState().computeGids(userId); 3251 } 3252 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3253 final PackageSetting ps = mSettings.mPackages.get(packageName); 3254 if (ps != null && ps.isMatch(flags)) { 3255 return ps.getPermissionsState().computeGids(userId); 3256 } 3257 } 3258 } 3259 3260 return null; 3261 } 3262 3263 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3264 if (bp.perm != null) { 3265 return PackageParser.generatePermissionInfo(bp.perm, flags); 3266 } 3267 PermissionInfo pi = new PermissionInfo(); 3268 pi.name = bp.name; 3269 pi.packageName = bp.sourcePackage; 3270 pi.nonLocalizedLabel = bp.name; 3271 pi.protectionLevel = bp.protectionLevel; 3272 return pi; 3273 } 3274 3275 @Override 3276 public PermissionInfo getPermissionInfo(String name, int flags) { 3277 // reader 3278 synchronized (mPackages) { 3279 final BasePermission p = mSettings.mPermissions.get(name); 3280 if (p != null) { 3281 return generatePermissionInfo(p, flags); 3282 } 3283 return null; 3284 } 3285 } 3286 3287 @Override 3288 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3289 int flags) { 3290 // reader 3291 synchronized (mPackages) { 3292 if (group != null && !mPermissionGroups.containsKey(group)) { 3293 // This is thrown as NameNotFoundException 3294 return null; 3295 } 3296 3297 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3298 for (BasePermission p : mSettings.mPermissions.values()) { 3299 if (group == null) { 3300 if (p.perm == null || p.perm.info.group == null) { 3301 out.add(generatePermissionInfo(p, flags)); 3302 } 3303 } else { 3304 if (p.perm != null && group.equals(p.perm.info.group)) { 3305 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3306 } 3307 } 3308 } 3309 return new ParceledListSlice<>(out); 3310 } 3311 } 3312 3313 @Override 3314 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3315 // reader 3316 synchronized (mPackages) { 3317 return PackageParser.generatePermissionGroupInfo( 3318 mPermissionGroups.get(name), flags); 3319 } 3320 } 3321 3322 @Override 3323 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3324 // reader 3325 synchronized (mPackages) { 3326 final int N = mPermissionGroups.size(); 3327 ArrayList<PermissionGroupInfo> out 3328 = new ArrayList<PermissionGroupInfo>(N); 3329 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3330 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3331 } 3332 return new ParceledListSlice<>(out); 3333 } 3334 } 3335 3336 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3337 int userId) { 3338 if (!sUserManager.exists(userId)) return null; 3339 PackageSetting ps = mSettings.mPackages.get(packageName); 3340 if (ps != null) { 3341 if (ps.pkg == null) { 3342 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3343 if (pInfo != null) { 3344 return pInfo.applicationInfo; 3345 } 3346 return null; 3347 } 3348 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3349 ps.readUserState(userId), userId); 3350 } 3351 return null; 3352 } 3353 3354 @Override 3355 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3356 if (!sUserManager.exists(userId)) return null; 3357 flags = updateFlagsForApplication(flags, userId, packageName); 3358 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3359 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3360 // writer 3361 synchronized (mPackages) { 3362 PackageParser.Package p = mPackages.get(packageName); 3363 if (DEBUG_PACKAGE_INFO) Log.v( 3364 TAG, "getApplicationInfo " + packageName 3365 + ": " + p); 3366 if (p != null) { 3367 PackageSetting ps = mSettings.mPackages.get(packageName); 3368 if (ps == null) return null; 3369 // Note: isEnabledLP() does not apply here - always return info 3370 return PackageParser.generateApplicationInfo( 3371 p, flags, ps.readUserState(userId), userId); 3372 } 3373 if ("android".equals(packageName)||"system".equals(packageName)) { 3374 return mAndroidApplication; 3375 } 3376 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3377 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3378 } 3379 } 3380 return null; 3381 } 3382 3383 @Override 3384 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3385 final IPackageDataObserver observer) { 3386 mContext.enforceCallingOrSelfPermission( 3387 android.Manifest.permission.CLEAR_APP_CACHE, null); 3388 // Queue up an async operation since clearing cache may take a little while. 3389 mHandler.post(new Runnable() { 3390 public void run() { 3391 mHandler.removeCallbacks(this); 3392 boolean success = true; 3393 synchronized (mInstallLock) { 3394 try { 3395 mInstaller.freeCache(volumeUuid, freeStorageSize); 3396 } catch (InstallerException e) { 3397 Slog.w(TAG, "Couldn't clear application caches: " + e); 3398 success = false; 3399 } 3400 } 3401 if (observer != null) { 3402 try { 3403 observer.onRemoveCompleted(null, success); 3404 } catch (RemoteException e) { 3405 Slog.w(TAG, "RemoveException when invoking call back"); 3406 } 3407 } 3408 } 3409 }); 3410 } 3411 3412 @Override 3413 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3414 final IntentSender pi) { 3415 mContext.enforceCallingOrSelfPermission( 3416 android.Manifest.permission.CLEAR_APP_CACHE, null); 3417 // Queue up an async operation since clearing cache may take a little while. 3418 mHandler.post(new Runnable() { 3419 public void run() { 3420 mHandler.removeCallbacks(this); 3421 boolean success = true; 3422 synchronized (mInstallLock) { 3423 try { 3424 mInstaller.freeCache(volumeUuid, freeStorageSize); 3425 } catch (InstallerException e) { 3426 Slog.w(TAG, "Couldn't clear application caches: " + e); 3427 success = false; 3428 } 3429 } 3430 if(pi != null) { 3431 try { 3432 // Callback via pending intent 3433 int code = success ? 1 : 0; 3434 pi.sendIntent(null, code, null, 3435 null, null); 3436 } catch (SendIntentException e1) { 3437 Slog.i(TAG, "Failed to send pending intent"); 3438 } 3439 } 3440 } 3441 }); 3442 } 3443 3444 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3445 synchronized (mInstallLock) { 3446 try { 3447 mInstaller.freeCache(volumeUuid, freeStorageSize); 3448 } catch (InstallerException e) { 3449 throw new IOException("Failed to free enough space", e); 3450 } 3451 } 3452 } 3453 3454 /** 3455 * Update given flags based on encryption status of current user. 3456 */ 3457 private int updateFlags(int flags, int userId) { 3458 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3459 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3460 // Caller expressed an explicit opinion about what encryption 3461 // aware/unaware components they want to see, so fall through and 3462 // give them what they want 3463 } else { 3464 // Caller expressed no opinion, so match based on user state 3465 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3466 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3467 } else { 3468 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3469 } 3470 } 3471 return flags; 3472 } 3473 3474 private UserManagerInternal getUserManagerInternal() { 3475 if (mUserManagerInternal == null) { 3476 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3477 } 3478 return mUserManagerInternal; 3479 } 3480 3481 /** 3482 * Update given flags when being used to request {@link PackageInfo}. 3483 */ 3484 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3485 boolean triaged = true; 3486 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3487 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3488 // Caller is asking for component details, so they'd better be 3489 // asking for specific encryption matching behavior, or be triaged 3490 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3491 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3492 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3493 triaged = false; 3494 } 3495 } 3496 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3497 | PackageManager.MATCH_SYSTEM_ONLY 3498 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3499 triaged = false; 3500 } 3501 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3502 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3503 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3504 } 3505 return updateFlags(flags, userId); 3506 } 3507 3508 /** 3509 * Update given flags when being used to request {@link ApplicationInfo}. 3510 */ 3511 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3512 return updateFlagsForPackage(flags, userId, cookie); 3513 } 3514 3515 /** 3516 * Update given flags when being used to request {@link ComponentInfo}. 3517 */ 3518 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3519 if (cookie instanceof Intent) { 3520 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3521 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3522 } 3523 } 3524 3525 boolean triaged = true; 3526 // Caller is asking for component details, so they'd better be 3527 // asking for specific encryption matching behavior, or be triaged 3528 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3529 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3530 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3531 triaged = false; 3532 } 3533 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3534 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3535 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3536 } 3537 3538 return updateFlags(flags, userId); 3539 } 3540 3541 /** 3542 * Update given flags when being used to request {@link ResolveInfo}. 3543 */ 3544 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3545 // Safe mode means we shouldn't match any third-party components 3546 if (mSafeMode) { 3547 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3548 } 3549 3550 return updateFlagsForComponent(flags, userId, cookie); 3551 } 3552 3553 @Override 3554 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3555 if (!sUserManager.exists(userId)) return null; 3556 flags = updateFlagsForComponent(flags, userId, component); 3557 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3558 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3559 synchronized (mPackages) { 3560 PackageParser.Activity a = mActivities.mActivities.get(component); 3561 3562 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3563 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3564 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3565 if (ps == null) return null; 3566 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3567 userId); 3568 } 3569 if (mResolveComponentName.equals(component)) { 3570 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3571 new PackageUserState(), userId); 3572 } 3573 } 3574 return null; 3575 } 3576 3577 @Override 3578 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3579 String resolvedType) { 3580 synchronized (mPackages) { 3581 if (component.equals(mResolveComponentName)) { 3582 // The resolver supports EVERYTHING! 3583 return true; 3584 } 3585 PackageParser.Activity a = mActivities.mActivities.get(component); 3586 if (a == null) { 3587 return false; 3588 } 3589 for (int i=0; i<a.intents.size(); i++) { 3590 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3591 intent.getData(), intent.getCategories(), TAG) >= 0) { 3592 return true; 3593 } 3594 } 3595 return false; 3596 } 3597 } 3598 3599 @Override 3600 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3601 if (!sUserManager.exists(userId)) return null; 3602 flags = updateFlagsForComponent(flags, userId, component); 3603 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3604 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3605 synchronized (mPackages) { 3606 PackageParser.Activity a = mReceivers.mActivities.get(component); 3607 if (DEBUG_PACKAGE_INFO) Log.v( 3608 TAG, "getReceiverInfo " + component + ": " + a); 3609 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3610 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3611 if (ps == null) return null; 3612 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3613 userId); 3614 } 3615 } 3616 return null; 3617 } 3618 3619 @Override 3620 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3621 if (!sUserManager.exists(userId)) return null; 3622 flags = updateFlagsForComponent(flags, userId, component); 3623 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3624 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3625 synchronized (mPackages) { 3626 PackageParser.Service s = mServices.mServices.get(component); 3627 if (DEBUG_PACKAGE_INFO) Log.v( 3628 TAG, "getServiceInfo " + component + ": " + s); 3629 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3630 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3631 if (ps == null) return null; 3632 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3633 userId); 3634 } 3635 } 3636 return null; 3637 } 3638 3639 @Override 3640 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3641 if (!sUserManager.exists(userId)) return null; 3642 flags = updateFlagsForComponent(flags, userId, component); 3643 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3644 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3645 synchronized (mPackages) { 3646 PackageParser.Provider p = mProviders.mProviders.get(component); 3647 if (DEBUG_PACKAGE_INFO) Log.v( 3648 TAG, "getProviderInfo " + component + ": " + p); 3649 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3650 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3651 if (ps == null) return null; 3652 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3653 userId); 3654 } 3655 } 3656 return null; 3657 } 3658 3659 @Override 3660 public String[] getSystemSharedLibraryNames() { 3661 Set<String> libSet; 3662 synchronized (mPackages) { 3663 libSet = mSharedLibraries.keySet(); 3664 int size = libSet.size(); 3665 if (size > 0) { 3666 String[] libs = new String[size]; 3667 libSet.toArray(libs); 3668 return libs; 3669 } 3670 } 3671 return null; 3672 } 3673 3674 @Override 3675 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3676 synchronized (mPackages) { 3677 return mServicesSystemSharedLibraryPackageName; 3678 } 3679 } 3680 3681 @Override 3682 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3683 synchronized (mPackages) { 3684 return mSharedSystemSharedLibraryPackageName; 3685 } 3686 } 3687 3688 @Override 3689 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3690 synchronized (mPackages) { 3691 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3692 3693 final FeatureInfo fi = new FeatureInfo(); 3694 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3695 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3696 res.add(fi); 3697 3698 return new ParceledListSlice<>(res); 3699 } 3700 } 3701 3702 @Override 3703 public boolean hasSystemFeature(String name, int version) { 3704 synchronized (mPackages) { 3705 final FeatureInfo feat = mAvailableFeatures.get(name); 3706 if (feat == null) { 3707 return false; 3708 } else { 3709 return feat.version >= version; 3710 } 3711 } 3712 } 3713 3714 @Override 3715 public int checkPermission(String permName, String pkgName, int userId) { 3716 if (!sUserManager.exists(userId)) { 3717 return PackageManager.PERMISSION_DENIED; 3718 } 3719 3720 synchronized (mPackages) { 3721 final PackageParser.Package p = mPackages.get(pkgName); 3722 if (p != null && p.mExtras != null) { 3723 final PackageSetting ps = (PackageSetting) p.mExtras; 3724 final PermissionsState permissionsState = ps.getPermissionsState(); 3725 if (permissionsState.hasPermission(permName, userId)) { 3726 return PackageManager.PERMISSION_GRANTED; 3727 } 3728 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3729 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3730 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3731 return PackageManager.PERMISSION_GRANTED; 3732 } 3733 } 3734 } 3735 3736 return PackageManager.PERMISSION_DENIED; 3737 } 3738 3739 @Override 3740 public int checkUidPermission(String permName, int uid) { 3741 final int userId = UserHandle.getUserId(uid); 3742 3743 if (!sUserManager.exists(userId)) { 3744 return PackageManager.PERMISSION_DENIED; 3745 } 3746 3747 synchronized (mPackages) { 3748 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3749 if (obj != null) { 3750 final SettingBase ps = (SettingBase) obj; 3751 final PermissionsState permissionsState = ps.getPermissionsState(); 3752 if (permissionsState.hasPermission(permName, userId)) { 3753 return PackageManager.PERMISSION_GRANTED; 3754 } 3755 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3756 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3757 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3758 return PackageManager.PERMISSION_GRANTED; 3759 } 3760 } else { 3761 ArraySet<String> perms = mSystemPermissions.get(uid); 3762 if (perms != null) { 3763 if (perms.contains(permName)) { 3764 return PackageManager.PERMISSION_GRANTED; 3765 } 3766 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3767 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3768 return PackageManager.PERMISSION_GRANTED; 3769 } 3770 } 3771 } 3772 } 3773 3774 return PackageManager.PERMISSION_DENIED; 3775 } 3776 3777 @Override 3778 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3779 if (UserHandle.getCallingUserId() != userId) { 3780 mContext.enforceCallingPermission( 3781 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3782 "isPermissionRevokedByPolicy for user " + userId); 3783 } 3784 3785 if (checkPermission(permission, packageName, userId) 3786 == PackageManager.PERMISSION_GRANTED) { 3787 return false; 3788 } 3789 3790 final long identity = Binder.clearCallingIdentity(); 3791 try { 3792 final int flags = getPermissionFlags(permission, packageName, userId); 3793 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3794 } finally { 3795 Binder.restoreCallingIdentity(identity); 3796 } 3797 } 3798 3799 @Override 3800 public String getPermissionControllerPackageName() { 3801 synchronized (mPackages) { 3802 return mRequiredInstallerPackage; 3803 } 3804 } 3805 3806 /** 3807 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3808 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3809 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3810 * @param message the message to log on security exception 3811 */ 3812 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3813 boolean checkShell, String message) { 3814 if (userId < 0) { 3815 throw new IllegalArgumentException("Invalid userId " + userId); 3816 } 3817 if (checkShell) { 3818 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3819 } 3820 if (userId == UserHandle.getUserId(callingUid)) return; 3821 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3822 if (requireFullPermission) { 3823 mContext.enforceCallingOrSelfPermission( 3824 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3825 } else { 3826 try { 3827 mContext.enforceCallingOrSelfPermission( 3828 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3829 } catch (SecurityException se) { 3830 mContext.enforceCallingOrSelfPermission( 3831 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3832 } 3833 } 3834 } 3835 } 3836 3837 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3838 if (callingUid == Process.SHELL_UID) { 3839 if (userHandle >= 0 3840 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3841 throw new SecurityException("Shell does not have permission to access user " 3842 + userHandle); 3843 } else if (userHandle < 0) { 3844 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3845 + Debug.getCallers(3)); 3846 } 3847 } 3848 } 3849 3850 private BasePermission findPermissionTreeLP(String permName) { 3851 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3852 if (permName.startsWith(bp.name) && 3853 permName.length() > bp.name.length() && 3854 permName.charAt(bp.name.length()) == '.') { 3855 return bp; 3856 } 3857 } 3858 return null; 3859 } 3860 3861 private BasePermission checkPermissionTreeLP(String permName) { 3862 if (permName != null) { 3863 BasePermission bp = findPermissionTreeLP(permName); 3864 if (bp != null) { 3865 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3866 return bp; 3867 } 3868 throw new SecurityException("Calling uid " 3869 + Binder.getCallingUid() 3870 + " is not allowed to add to permission tree " 3871 + bp.name + " owned by uid " + bp.uid); 3872 } 3873 } 3874 throw new SecurityException("No permission tree found for " + permName); 3875 } 3876 3877 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3878 if (s1 == null) { 3879 return s2 == null; 3880 } 3881 if (s2 == null) { 3882 return false; 3883 } 3884 if (s1.getClass() != s2.getClass()) { 3885 return false; 3886 } 3887 return s1.equals(s2); 3888 } 3889 3890 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3891 if (pi1.icon != pi2.icon) return false; 3892 if (pi1.logo != pi2.logo) return false; 3893 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3894 if (!compareStrings(pi1.name, pi2.name)) return false; 3895 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3896 // We'll take care of setting this one. 3897 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3898 // These are not currently stored in settings. 3899 //if (!compareStrings(pi1.group, pi2.group)) return false; 3900 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3901 //if (pi1.labelRes != pi2.labelRes) return false; 3902 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3903 return true; 3904 } 3905 3906 int permissionInfoFootprint(PermissionInfo info) { 3907 int size = info.name.length(); 3908 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3909 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3910 return size; 3911 } 3912 3913 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3914 int size = 0; 3915 for (BasePermission perm : mSettings.mPermissions.values()) { 3916 if (perm.uid == tree.uid) { 3917 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3918 } 3919 } 3920 return size; 3921 } 3922 3923 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3924 // We calculate the max size of permissions defined by this uid and throw 3925 // if that plus the size of 'info' would exceed our stated maximum. 3926 if (tree.uid != Process.SYSTEM_UID) { 3927 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3928 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3929 throw new SecurityException("Permission tree size cap exceeded"); 3930 } 3931 } 3932 } 3933 3934 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3935 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3936 throw new SecurityException("Label must be specified in permission"); 3937 } 3938 BasePermission tree = checkPermissionTreeLP(info.name); 3939 BasePermission bp = mSettings.mPermissions.get(info.name); 3940 boolean added = bp == null; 3941 boolean changed = true; 3942 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3943 if (added) { 3944 enforcePermissionCapLocked(info, tree); 3945 bp = new BasePermission(info.name, tree.sourcePackage, 3946 BasePermission.TYPE_DYNAMIC); 3947 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3948 throw new SecurityException( 3949 "Not allowed to modify non-dynamic permission " 3950 + info.name); 3951 } else { 3952 if (bp.protectionLevel == fixedLevel 3953 && bp.perm.owner.equals(tree.perm.owner) 3954 && bp.uid == tree.uid 3955 && comparePermissionInfos(bp.perm.info, info)) { 3956 changed = false; 3957 } 3958 } 3959 bp.protectionLevel = fixedLevel; 3960 info = new PermissionInfo(info); 3961 info.protectionLevel = fixedLevel; 3962 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3963 bp.perm.info.packageName = tree.perm.info.packageName; 3964 bp.uid = tree.uid; 3965 if (added) { 3966 mSettings.mPermissions.put(info.name, bp); 3967 } 3968 if (changed) { 3969 if (!async) { 3970 mSettings.writeLPr(); 3971 } else { 3972 scheduleWriteSettingsLocked(); 3973 } 3974 } 3975 return added; 3976 } 3977 3978 @Override 3979 public boolean addPermission(PermissionInfo info) { 3980 synchronized (mPackages) { 3981 return addPermissionLocked(info, false); 3982 } 3983 } 3984 3985 @Override 3986 public boolean addPermissionAsync(PermissionInfo info) { 3987 synchronized (mPackages) { 3988 return addPermissionLocked(info, true); 3989 } 3990 } 3991 3992 @Override 3993 public void removePermission(String name) { 3994 synchronized (mPackages) { 3995 checkPermissionTreeLP(name); 3996 BasePermission bp = mSettings.mPermissions.get(name); 3997 if (bp != null) { 3998 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3999 throw new SecurityException( 4000 "Not allowed to modify non-dynamic permission " 4001 + name); 4002 } 4003 mSettings.mPermissions.remove(name); 4004 mSettings.writeLPr(); 4005 } 4006 } 4007 } 4008 4009 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4010 BasePermission bp) { 4011 int index = pkg.requestedPermissions.indexOf(bp.name); 4012 if (index == -1) { 4013 throw new SecurityException("Package " + pkg.packageName 4014 + " has not requested permission " + bp.name); 4015 } 4016 if (!bp.isRuntime() && !bp.isDevelopment()) { 4017 throw new SecurityException("Permission " + bp.name 4018 + " is not a changeable permission type"); 4019 } 4020 } 4021 4022 @Override 4023 public void grantRuntimePermission(String packageName, String name, final int userId) { 4024 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4025 } 4026 4027 private void grantRuntimePermission(String packageName, String name, final int userId, 4028 boolean overridePolicy) { 4029 if (!sUserManager.exists(userId)) { 4030 Log.e(TAG, "No such user:" + userId); 4031 return; 4032 } 4033 4034 mContext.enforceCallingOrSelfPermission( 4035 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4036 "grantRuntimePermission"); 4037 4038 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4039 true /* requireFullPermission */, true /* checkShell */, 4040 "grantRuntimePermission"); 4041 4042 final int uid; 4043 final SettingBase sb; 4044 4045 synchronized (mPackages) { 4046 final PackageParser.Package pkg = mPackages.get(packageName); 4047 if (pkg == null) { 4048 throw new IllegalArgumentException("Unknown package: " + packageName); 4049 } 4050 4051 final BasePermission bp = mSettings.mPermissions.get(name); 4052 if (bp == null) { 4053 throw new IllegalArgumentException("Unknown permission: " + name); 4054 } 4055 4056 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4057 4058 // If a permission review is required for legacy apps we represent 4059 // their permissions as always granted runtime ones since we need 4060 // to keep the review required permission flag per user while an 4061 // install permission's state is shared across all users. 4062 if (mPermissionReviewRequired 4063 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4064 && bp.isRuntime()) { 4065 return; 4066 } 4067 4068 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4069 sb = (SettingBase) pkg.mExtras; 4070 if (sb == null) { 4071 throw new IllegalArgumentException("Unknown package: " + packageName); 4072 } 4073 4074 final PermissionsState permissionsState = sb.getPermissionsState(); 4075 4076 final int flags = permissionsState.getPermissionFlags(name, userId); 4077 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4078 throw new SecurityException("Cannot grant system fixed permission " 4079 + name + " for package " + packageName); 4080 } 4081 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4082 throw new SecurityException("Cannot grant policy fixed permission " 4083 + name + " for package " + packageName); 4084 } 4085 4086 if (bp.isDevelopment()) { 4087 // Development permissions must be handled specially, since they are not 4088 // normal runtime permissions. For now they apply to all users. 4089 if (permissionsState.grantInstallPermission(bp) != 4090 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4091 scheduleWriteSettingsLocked(); 4092 } 4093 return; 4094 } 4095 4096 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 4097 throw new SecurityException("Cannot grant non-ephemeral permission" 4098 + name + " for package " + packageName); 4099 } 4100 4101 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4102 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4103 return; 4104 } 4105 4106 final int result = permissionsState.grantRuntimePermission(bp, userId); 4107 switch (result) { 4108 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4109 return; 4110 } 4111 4112 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4113 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4114 mHandler.post(new Runnable() { 4115 @Override 4116 public void run() { 4117 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4118 } 4119 }); 4120 } 4121 break; 4122 } 4123 4124 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4125 4126 // Not critical if that is lost - app has to request again. 4127 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4128 } 4129 4130 // Only need to do this if user is initialized. Otherwise it's a new user 4131 // and there are no processes running as the user yet and there's no need 4132 // to make an expensive call to remount processes for the changed permissions. 4133 if (READ_EXTERNAL_STORAGE.equals(name) 4134 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4135 final long token = Binder.clearCallingIdentity(); 4136 try { 4137 if (sUserManager.isInitialized(userId)) { 4138 MountServiceInternal mountServiceInternal = LocalServices.getService( 4139 MountServiceInternal.class); 4140 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4141 } 4142 } finally { 4143 Binder.restoreCallingIdentity(token); 4144 } 4145 } 4146 } 4147 4148 @Override 4149 public void revokeRuntimePermission(String packageName, String name, int userId) { 4150 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4151 } 4152 4153 private void revokeRuntimePermission(String packageName, String name, int userId, 4154 boolean overridePolicy) { 4155 if (!sUserManager.exists(userId)) { 4156 Log.e(TAG, "No such user:" + userId); 4157 return; 4158 } 4159 4160 mContext.enforceCallingOrSelfPermission( 4161 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4162 "revokeRuntimePermission"); 4163 4164 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4165 true /* requireFullPermission */, true /* checkShell */, 4166 "revokeRuntimePermission"); 4167 4168 final int appId; 4169 4170 synchronized (mPackages) { 4171 final PackageParser.Package pkg = mPackages.get(packageName); 4172 if (pkg == null) { 4173 throw new IllegalArgumentException("Unknown package: " + packageName); 4174 } 4175 4176 final BasePermission bp = mSettings.mPermissions.get(name); 4177 if (bp == null) { 4178 throw new IllegalArgumentException("Unknown permission: " + name); 4179 } 4180 4181 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4182 4183 // If a permission review is required for legacy apps we represent 4184 // their permissions as always granted runtime ones since we need 4185 // to keep the review required permission flag per user while an 4186 // install permission's state is shared across all users. 4187 if (mPermissionReviewRequired 4188 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4189 && bp.isRuntime()) { 4190 return; 4191 } 4192 4193 SettingBase sb = (SettingBase) pkg.mExtras; 4194 if (sb == null) { 4195 throw new IllegalArgumentException("Unknown package: " + packageName); 4196 } 4197 4198 final PermissionsState permissionsState = sb.getPermissionsState(); 4199 4200 final int flags = permissionsState.getPermissionFlags(name, userId); 4201 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4202 throw new SecurityException("Cannot revoke system fixed permission " 4203 + name + " for package " + packageName); 4204 } 4205 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4206 throw new SecurityException("Cannot revoke policy 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 final int userId = UserHandle.getUserId(uid); 4694 uid = UserHandle.getAppId(uid); 4695 // reader 4696 synchronized (mPackages) { 4697 Object obj = mSettings.getUserIdLPr(uid); 4698 if (obj instanceof SharedUserSetting) { 4699 final SharedUserSetting sus = (SharedUserSetting) obj; 4700 final int N = sus.packages.size(); 4701 String[] res = new String[N]; 4702 final Iterator<PackageSetting> it = sus.packages.iterator(); 4703 int i = 0; 4704 while (it.hasNext()) { 4705 PackageSetting ps = it.next(); 4706 if (ps.getInstalled(userId)) { 4707 res[i++] = ps.name; 4708 } else { 4709 res = ArrayUtils.removeElement(String.class, res, res[i]); 4710 } 4711 } 4712 return res; 4713 } else if (obj instanceof PackageSetting) { 4714 final PackageSetting ps = (PackageSetting) obj; 4715 return new String[] { ps.name }; 4716 } 4717 } 4718 return null; 4719 } 4720 4721 @Override 4722 public String getNameForUid(int uid) { 4723 // reader 4724 synchronized (mPackages) { 4725 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4726 if (obj instanceof SharedUserSetting) { 4727 final SharedUserSetting sus = (SharedUserSetting) obj; 4728 return sus.name + ":" + sus.userId; 4729 } else if (obj instanceof PackageSetting) { 4730 final PackageSetting ps = (PackageSetting) obj; 4731 return ps.name; 4732 } 4733 } 4734 return null; 4735 } 4736 4737 @Override 4738 public int getUidForSharedUser(String sharedUserName) { 4739 if(sharedUserName == null) { 4740 return -1; 4741 } 4742 // reader 4743 synchronized (mPackages) { 4744 SharedUserSetting suid; 4745 try { 4746 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4747 if (suid != null) { 4748 return suid.userId; 4749 } 4750 } catch (PackageManagerException ignore) { 4751 // can't happen, but, still need to catch it 4752 } 4753 return -1; 4754 } 4755 } 4756 4757 @Override 4758 public int getFlagsForUid(int uid) { 4759 synchronized (mPackages) { 4760 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4761 if (obj instanceof SharedUserSetting) { 4762 final SharedUserSetting sus = (SharedUserSetting) obj; 4763 return sus.pkgFlags; 4764 } else if (obj instanceof PackageSetting) { 4765 final PackageSetting ps = (PackageSetting) obj; 4766 return ps.pkgFlags; 4767 } 4768 } 4769 return 0; 4770 } 4771 4772 @Override 4773 public int getPrivateFlagsForUid(int uid) { 4774 synchronized (mPackages) { 4775 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4776 if (obj instanceof SharedUserSetting) { 4777 final SharedUserSetting sus = (SharedUserSetting) obj; 4778 return sus.pkgPrivateFlags; 4779 } else if (obj instanceof PackageSetting) { 4780 final PackageSetting ps = (PackageSetting) obj; 4781 return ps.pkgPrivateFlags; 4782 } 4783 } 4784 return 0; 4785 } 4786 4787 @Override 4788 public boolean isUidPrivileged(int uid) { 4789 uid = UserHandle.getAppId(uid); 4790 // reader 4791 synchronized (mPackages) { 4792 Object obj = mSettings.getUserIdLPr(uid); 4793 if (obj instanceof SharedUserSetting) { 4794 final SharedUserSetting sus = (SharedUserSetting) obj; 4795 final Iterator<PackageSetting> it = sus.packages.iterator(); 4796 while (it.hasNext()) { 4797 if (it.next().isPrivileged()) { 4798 return true; 4799 } 4800 } 4801 } else if (obj instanceof PackageSetting) { 4802 final PackageSetting ps = (PackageSetting) obj; 4803 return ps.isPrivileged(); 4804 } 4805 } 4806 return false; 4807 } 4808 4809 @Override 4810 public String[] getAppOpPermissionPackages(String permissionName) { 4811 synchronized (mPackages) { 4812 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4813 if (pkgs == null) { 4814 return null; 4815 } 4816 return pkgs.toArray(new String[pkgs.size()]); 4817 } 4818 } 4819 4820 @Override 4821 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4822 int flags, int userId) { 4823 try { 4824 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4825 4826 if (!sUserManager.exists(userId)) return null; 4827 flags = updateFlagsForResolve(flags, userId, intent); 4828 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4829 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4830 4831 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4832 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4833 flags, userId); 4834 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4835 4836 final ResolveInfo bestChoice = 4837 chooseBestActivity(intent, resolvedType, flags, query, userId); 4838 return bestChoice; 4839 } finally { 4840 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4841 } 4842 } 4843 4844 @Override 4845 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4846 IntentFilter filter, int match, ComponentName activity) { 4847 final int userId = UserHandle.getCallingUserId(); 4848 if (DEBUG_PREFERRED) { 4849 Log.v(TAG, "setLastChosenActivity intent=" + intent 4850 + " resolvedType=" + resolvedType 4851 + " flags=" + flags 4852 + " filter=" + filter 4853 + " match=" + match 4854 + " activity=" + activity); 4855 filter.dump(new PrintStreamPrinter(System.out), " "); 4856 } 4857 intent.setComponent(null); 4858 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4859 userId); 4860 // Find any earlier preferred or last chosen entries and nuke them 4861 findPreferredActivity(intent, resolvedType, 4862 flags, query, 0, false, true, false, userId); 4863 // Add the new activity as the last chosen for this filter 4864 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4865 "Setting last chosen"); 4866 } 4867 4868 @Override 4869 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4870 final int userId = UserHandle.getCallingUserId(); 4871 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4872 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4873 userId); 4874 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4875 false, false, false, userId); 4876 } 4877 4878 private boolean isEphemeralDisabled() { 4879 // ephemeral apps have been disabled across the board 4880 if (DISABLE_EPHEMERAL_APPS) { 4881 return true; 4882 } 4883 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4884 if (!mSystemReady) { 4885 return true; 4886 } 4887 // we can't get a content resolver until the system is ready; these checks must happen last 4888 final ContentResolver resolver = mContext.getContentResolver(); 4889 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 4890 return true; 4891 } 4892 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 4893 } 4894 4895 private boolean isEphemeralAllowed( 4896 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4897 boolean skipPackageCheck) { 4898 // Short circuit and return early if possible. 4899 if (isEphemeralDisabled()) { 4900 return false; 4901 } 4902 final int callingUser = UserHandle.getCallingUserId(); 4903 if (callingUser != UserHandle.USER_SYSTEM) { 4904 return false; 4905 } 4906 if (mEphemeralResolverConnection == null) { 4907 return false; 4908 } 4909 if (intent.getComponent() != null) { 4910 return false; 4911 } 4912 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4913 return false; 4914 } 4915 if (!skipPackageCheck && intent.getPackage() != null) { 4916 return false; 4917 } 4918 final boolean isWebUri = hasWebURI(intent); 4919 if (!isWebUri || intent.getData().getHost() == null) { 4920 return false; 4921 } 4922 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4923 synchronized (mPackages) { 4924 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4925 for (int n = 0; n < count; n++) { 4926 ResolveInfo info = resolvedActivities.get(n); 4927 String packageName = info.activityInfo.packageName; 4928 PackageSetting ps = mSettings.mPackages.get(packageName); 4929 if (ps != null) { 4930 // Try to get the status from User settings first 4931 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4932 int status = (int) (packedStatus >> 32); 4933 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4934 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4935 if (DEBUG_EPHEMERAL) { 4936 Slog.v(TAG, "DENY ephemeral apps;" 4937 + " pkg: " + packageName + ", status: " + status); 4938 } 4939 return false; 4940 } 4941 } 4942 } 4943 } 4944 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4945 return true; 4946 } 4947 4948 private static EphemeralResolveIntentInfo getEphemeralIntentInfo( 4949 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4950 String resolvedType, int userId, String packageName) { 4951 final EphemeralDigest digest = 4952 new EphemeralDigest(intent.getData().getHost(), 5 /*maxDigests*/); 4953 final int[] shaPrefix = digest.getDigestPrefix(); 4954 final byte[][] digestBytes = digest.getDigestBytes(); 4955 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4956 resolverConnection.getEphemeralResolveInfoList(shaPrefix); 4957 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4958 // No hash prefix match; there are no ephemeral apps for this domain. 4959 return null; 4960 } 4961 4962 // Go in reverse order so we match the narrowest scope first. 4963 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4964 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4965 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4966 continue; 4967 } 4968 final List<EphemeralIntentFilter> ephemeralFilters = 4969 ephemeralApplication.getIntentFilters(); 4970 // No filters; this should never happen. 4971 if (ephemeralFilters.isEmpty()) { 4972 continue; 4973 } 4974 if (packageName != null 4975 && !packageName.equals(ephemeralApplication.getPackageName())) { 4976 continue; 4977 } 4978 // We have a domain match; resolve the filters to see if anything matches. 4979 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4980 for (int j = ephemeralFilters.size() - 1; j >= 0; --j) { 4981 final EphemeralIntentFilter ephemeralFilter = ephemeralFilters.get(j); 4982 final List<IntentFilter> splitFilters = ephemeralFilter.getFilters(); 4983 if (splitFilters == null || splitFilters.isEmpty()) { 4984 continue; 4985 } 4986 for (int k = splitFilters.size() - 1; k >= 0; --k) { 4987 final EphemeralResolveIntentInfo intentInfo = 4988 new EphemeralResolveIntentInfo(splitFilters.get(k), 4989 ephemeralApplication, ephemeralFilter.getSplitName()); 4990 ephemeralResolver.addFilter(intentInfo); 4991 } 4992 } 4993 List<EphemeralResolveIntentInfo> matchedResolveInfoList = ephemeralResolver 4994 .queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 4995 if (!matchedResolveInfoList.isEmpty()) { 4996 return matchedResolveInfoList.get(0); 4997 } 4998 } 4999 } 5000 // Hash or filter mis-match; no ephemeral apps for this domain. 5001 return null; 5002 } 5003 5004 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5005 int flags, List<ResolveInfo> query, int userId) { 5006 if (query != null) { 5007 final int N = query.size(); 5008 if (N == 1) { 5009 return query.get(0); 5010 } else if (N > 1) { 5011 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5012 // If there is more than one activity with the same priority, 5013 // then let the user decide between them. 5014 ResolveInfo r0 = query.get(0); 5015 ResolveInfo r1 = query.get(1); 5016 if (DEBUG_INTENT_MATCHING || debug) { 5017 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5018 + r1.activityInfo.name + "=" + r1.priority); 5019 } 5020 // If the first activity has a higher priority, or a different 5021 // default, then it is always desirable to pick it. 5022 if (r0.priority != r1.priority 5023 || r0.preferredOrder != r1.preferredOrder 5024 || r0.isDefault != r1.isDefault) { 5025 return query.get(0); 5026 } 5027 // If we have saved a preference for a preferred activity for 5028 // this Intent, use that. 5029 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5030 flags, query, r0.priority, true, false, debug, userId); 5031 if (ri != null) { 5032 return ri; 5033 } 5034 ri = new ResolveInfo(mResolveInfo); 5035 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5036 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5037 // If all of the options come from the same package, show the application's 5038 // label and icon instead of the generic resolver's. 5039 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5040 // and then throw away the ResolveInfo itself, meaning that the caller loses 5041 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5042 // a fallback for this case; we only set the target package's resources on 5043 // the ResolveInfo, not the ActivityInfo. 5044 final String intentPackage = intent.getPackage(); 5045 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5046 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5047 ri.resolvePackageName = intentPackage; 5048 if (userNeedsBadging(userId)) { 5049 ri.noResourceId = true; 5050 } else { 5051 ri.icon = appi.icon; 5052 } 5053 ri.iconResourceId = appi.icon; 5054 ri.labelRes = appi.labelRes; 5055 } 5056 ri.activityInfo.applicationInfo = new ApplicationInfo( 5057 ri.activityInfo.applicationInfo); 5058 if (userId != 0) { 5059 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5060 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5061 } 5062 // Make sure that the resolver is displayable in car mode 5063 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5064 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5065 return ri; 5066 } 5067 } 5068 return null; 5069 } 5070 5071 /** 5072 * Return true if the given list is not empty and all of its contents have 5073 * an activityInfo with the given package name. 5074 */ 5075 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5076 if (ArrayUtils.isEmpty(list)) { 5077 return false; 5078 } 5079 for (int i = 0, N = list.size(); i < N; i++) { 5080 final ResolveInfo ri = list.get(i); 5081 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5082 if (ai == null || !packageName.equals(ai.packageName)) { 5083 return false; 5084 } 5085 } 5086 return true; 5087 } 5088 5089 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5090 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5091 final int N = query.size(); 5092 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5093 .get(userId); 5094 // Get the list of persistent preferred activities that handle the intent 5095 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5096 List<PersistentPreferredActivity> pprefs = ppir != null 5097 ? ppir.queryIntent(intent, resolvedType, 5098 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5099 : null; 5100 if (pprefs != null && pprefs.size() > 0) { 5101 final int M = pprefs.size(); 5102 for (int i=0; i<M; i++) { 5103 final PersistentPreferredActivity ppa = pprefs.get(i); 5104 if (DEBUG_PREFERRED || debug) { 5105 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5106 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5107 + "\n component=" + ppa.mComponent); 5108 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5109 } 5110 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5111 flags | MATCH_DISABLED_COMPONENTS, userId); 5112 if (DEBUG_PREFERRED || debug) { 5113 Slog.v(TAG, "Found persistent preferred activity:"); 5114 if (ai != null) { 5115 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5116 } else { 5117 Slog.v(TAG, " null"); 5118 } 5119 } 5120 if (ai == null) { 5121 // This previously registered persistent preferred activity 5122 // component is no longer known. Ignore it and do NOT remove it. 5123 continue; 5124 } 5125 for (int j=0; j<N; j++) { 5126 final ResolveInfo ri = query.get(j); 5127 if (!ri.activityInfo.applicationInfo.packageName 5128 .equals(ai.applicationInfo.packageName)) { 5129 continue; 5130 } 5131 if (!ri.activityInfo.name.equals(ai.name)) { 5132 continue; 5133 } 5134 // Found a persistent preference that can handle the intent. 5135 if (DEBUG_PREFERRED || debug) { 5136 Slog.v(TAG, "Returning persistent preferred activity: " + 5137 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5138 } 5139 return ri; 5140 } 5141 } 5142 } 5143 return null; 5144 } 5145 5146 // TODO: handle preferred activities missing while user has amnesia 5147 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5148 List<ResolveInfo> query, int priority, boolean always, 5149 boolean removeMatches, boolean debug, int userId) { 5150 if (!sUserManager.exists(userId)) return null; 5151 flags = updateFlagsForResolve(flags, userId, intent); 5152 // writer 5153 synchronized (mPackages) { 5154 if (intent.getSelector() != null) { 5155 intent = intent.getSelector(); 5156 } 5157 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5158 5159 // Try to find a matching persistent preferred activity. 5160 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5161 debug, userId); 5162 5163 // If a persistent preferred activity matched, use it. 5164 if (pri != null) { 5165 return pri; 5166 } 5167 5168 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5169 // Get the list of preferred activities that handle the intent 5170 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5171 List<PreferredActivity> prefs = pir != null 5172 ? pir.queryIntent(intent, resolvedType, 5173 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5174 : null; 5175 if (prefs != null && prefs.size() > 0) { 5176 boolean changed = false; 5177 try { 5178 // First figure out how good the original match set is. 5179 // We will only allow preferred activities that came 5180 // from the same match quality. 5181 int match = 0; 5182 5183 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5184 5185 final int N = query.size(); 5186 for (int j=0; j<N; j++) { 5187 final ResolveInfo ri = query.get(j); 5188 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5189 + ": 0x" + Integer.toHexString(match)); 5190 if (ri.match > match) { 5191 match = ri.match; 5192 } 5193 } 5194 5195 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5196 + Integer.toHexString(match)); 5197 5198 match &= IntentFilter.MATCH_CATEGORY_MASK; 5199 final int M = prefs.size(); 5200 for (int i=0; i<M; i++) { 5201 final PreferredActivity pa = prefs.get(i); 5202 if (DEBUG_PREFERRED || debug) { 5203 Slog.v(TAG, "Checking PreferredActivity ds=" 5204 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5205 + "\n component=" + pa.mPref.mComponent); 5206 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5207 } 5208 if (pa.mPref.mMatch != match) { 5209 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5210 + Integer.toHexString(pa.mPref.mMatch)); 5211 continue; 5212 } 5213 // If it's not an "always" type preferred activity and that's what we're 5214 // looking for, skip it. 5215 if (always && !pa.mPref.mAlways) { 5216 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5217 continue; 5218 } 5219 final ActivityInfo ai = getActivityInfo( 5220 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5221 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5222 userId); 5223 if (DEBUG_PREFERRED || debug) { 5224 Slog.v(TAG, "Found preferred activity:"); 5225 if (ai != null) { 5226 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5227 } else { 5228 Slog.v(TAG, " null"); 5229 } 5230 } 5231 if (ai == null) { 5232 // This previously registered preferred activity 5233 // component is no longer known. Most likely an update 5234 // to the app was installed and in the new version this 5235 // component no longer exists. Clean it up by removing 5236 // it from the preferred activities list, and skip it. 5237 Slog.w(TAG, "Removing dangling preferred activity: " 5238 + pa.mPref.mComponent); 5239 pir.removeFilter(pa); 5240 changed = true; 5241 continue; 5242 } 5243 for (int j=0; j<N; j++) { 5244 final ResolveInfo ri = query.get(j); 5245 if (!ri.activityInfo.applicationInfo.packageName 5246 .equals(ai.applicationInfo.packageName)) { 5247 continue; 5248 } 5249 if (!ri.activityInfo.name.equals(ai.name)) { 5250 continue; 5251 } 5252 5253 if (removeMatches) { 5254 pir.removeFilter(pa); 5255 changed = true; 5256 if (DEBUG_PREFERRED) { 5257 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5258 } 5259 break; 5260 } 5261 5262 // Okay we found a previously set preferred or last chosen app. 5263 // If the result set is different from when this 5264 // was created, we need to clear it and re-ask the 5265 // user their preference, if we're looking for an "always" type entry. 5266 if (always && !pa.mPref.sameSet(query)) { 5267 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5268 + intent + " type " + resolvedType); 5269 if (DEBUG_PREFERRED) { 5270 Slog.v(TAG, "Removing preferred activity since set changed " 5271 + pa.mPref.mComponent); 5272 } 5273 pir.removeFilter(pa); 5274 // Re-add the filter as a "last chosen" entry (!always) 5275 PreferredActivity lastChosen = new PreferredActivity( 5276 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5277 pir.addFilter(lastChosen); 5278 changed = true; 5279 return null; 5280 } 5281 5282 // Yay! Either the set matched or we're looking for the last chosen 5283 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5284 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5285 return ri; 5286 } 5287 } 5288 } finally { 5289 if (changed) { 5290 if (DEBUG_PREFERRED) { 5291 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5292 } 5293 scheduleWritePackageRestrictionsLocked(userId); 5294 } 5295 } 5296 } 5297 } 5298 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5299 return null; 5300 } 5301 5302 /* 5303 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5304 */ 5305 @Override 5306 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5307 int targetUserId) { 5308 mContext.enforceCallingOrSelfPermission( 5309 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5310 List<CrossProfileIntentFilter> matches = 5311 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5312 if (matches != null) { 5313 int size = matches.size(); 5314 for (int i = 0; i < size; i++) { 5315 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5316 } 5317 } 5318 if (hasWebURI(intent)) { 5319 // cross-profile app linking works only towards the parent. 5320 final UserInfo parent = getProfileParent(sourceUserId); 5321 synchronized(mPackages) { 5322 int flags = updateFlagsForResolve(0, parent.id, intent); 5323 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5324 intent, resolvedType, flags, sourceUserId, parent.id); 5325 return xpDomainInfo != null; 5326 } 5327 } 5328 return false; 5329 } 5330 5331 private UserInfo getProfileParent(int userId) { 5332 final long identity = Binder.clearCallingIdentity(); 5333 try { 5334 return sUserManager.getProfileParent(userId); 5335 } finally { 5336 Binder.restoreCallingIdentity(identity); 5337 } 5338 } 5339 5340 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5341 String resolvedType, int userId) { 5342 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5343 if (resolver != null) { 5344 return resolver.queryIntent(intent, resolvedType, false, userId); 5345 } 5346 return null; 5347 } 5348 5349 @Override 5350 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5351 String resolvedType, int flags, int userId) { 5352 try { 5353 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5354 5355 return new ParceledListSlice<>( 5356 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5357 } finally { 5358 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5359 } 5360 } 5361 5362 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5363 String resolvedType, int flags, int userId) { 5364 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5365 flags = updateFlagsForResolve(flags, userId, intent); 5366 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5367 false /* requireFullPermission */, false /* checkShell */, 5368 "query intent activities"); 5369 ComponentName comp = intent.getComponent(); 5370 if (comp == null) { 5371 if (intent.getSelector() != null) { 5372 intent = intent.getSelector(); 5373 comp = intent.getComponent(); 5374 } 5375 } 5376 5377 if (comp != null) { 5378 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5379 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5380 if (ai != null) { 5381 final ResolveInfo ri = new ResolveInfo(); 5382 ri.activityInfo = ai; 5383 list.add(ri); 5384 } 5385 return list; 5386 } 5387 5388 // reader 5389 boolean sortResult = false; 5390 boolean addEphemeral = false; 5391 boolean matchEphemeralPackage = false; 5392 List<ResolveInfo> result; 5393 final String pkgName = intent.getPackage(); 5394 synchronized (mPackages) { 5395 if (pkgName == null) { 5396 List<CrossProfileIntentFilter> matchingFilters = 5397 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5398 // Check for results that need to skip the current profile. 5399 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5400 resolvedType, flags, userId); 5401 if (xpResolveInfo != null) { 5402 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5403 xpResult.add(xpResolveInfo); 5404 return filterIfNotSystemUser(xpResult, userId); 5405 } 5406 5407 // Check for results in the current profile. 5408 result = filterIfNotSystemUser(mActivities.queryIntent( 5409 intent, resolvedType, flags, userId), userId); 5410 addEphemeral = 5411 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5412 5413 // Check for cross profile results. 5414 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5415 xpResolveInfo = queryCrossProfileIntents( 5416 matchingFilters, intent, resolvedType, flags, userId, 5417 hasNonNegativePriorityResult); 5418 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5419 boolean isVisibleToUser = filterIfNotSystemUser( 5420 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5421 if (isVisibleToUser) { 5422 result.add(xpResolveInfo); 5423 sortResult = true; 5424 } 5425 } 5426 if (hasWebURI(intent)) { 5427 CrossProfileDomainInfo xpDomainInfo = null; 5428 final UserInfo parent = getProfileParent(userId); 5429 if (parent != null) { 5430 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5431 flags, userId, parent.id); 5432 } 5433 if (xpDomainInfo != null) { 5434 if (xpResolveInfo != null) { 5435 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5436 // in the result. 5437 result.remove(xpResolveInfo); 5438 } 5439 if (result.size() == 0 && !addEphemeral) { 5440 // No result in current profile, but found candidate in parent user. 5441 // And we are not going to add emphemeral app, so we can return the 5442 // result straight away. 5443 result.add(xpDomainInfo.resolveInfo); 5444 return result; 5445 } 5446 } else if (result.size() <= 1 && !addEphemeral) { 5447 // No result in parent user and <= 1 result in current profile, and we 5448 // are not going to add emphemeral app, so we can return the result without 5449 // further processing. 5450 return result; 5451 } 5452 // We have more than one candidate (combining results from current and parent 5453 // profile), so we need filtering and sorting. 5454 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5455 intent, flags, result, xpDomainInfo, userId); 5456 sortResult = true; 5457 } 5458 } else { 5459 final PackageParser.Package pkg = mPackages.get(pkgName); 5460 if (pkg != null) { 5461 result = filterIfNotSystemUser( 5462 mActivities.queryIntentForPackage( 5463 intent, resolvedType, flags, pkg.activities, userId), 5464 userId); 5465 } else { 5466 // the caller wants to resolve for a particular package; however, there 5467 // were no installed results, so, try to find an ephemeral result 5468 addEphemeral = isEphemeralAllowed( 5469 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5470 matchEphemeralPackage = true; 5471 result = new ArrayList<ResolveInfo>(); 5472 } 5473 } 5474 } 5475 if (addEphemeral) { 5476 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5477 final EphemeralResolveIntentInfo intentInfo = getEphemeralIntentInfo( 5478 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5479 matchEphemeralPackage ? pkgName : null); 5480 if (intentInfo != null) { 5481 if (DEBUG_EPHEMERAL) { 5482 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5483 } 5484 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5485 ephemeralInstaller.ephemeralIntentInfo = intentInfo; 5486 // make sure this resolver is the default 5487 ephemeralInstaller.isDefault = true; 5488 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5489 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5490 // add a non-generic filter 5491 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5492 ephemeralInstaller.filter.addDataPath( 5493 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5494 result.add(ephemeralInstaller); 5495 } 5496 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5497 } 5498 if (sortResult) { 5499 Collections.sort(result, mResolvePrioritySorter); 5500 } 5501 return result; 5502 } 5503 5504 private static class CrossProfileDomainInfo { 5505 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5506 ResolveInfo resolveInfo; 5507 /* Best domain verification status of the activities found in the other profile */ 5508 int bestDomainVerificationStatus; 5509 } 5510 5511 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5512 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5513 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5514 sourceUserId)) { 5515 return null; 5516 } 5517 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5518 resolvedType, flags, parentUserId); 5519 5520 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5521 return null; 5522 } 5523 CrossProfileDomainInfo result = null; 5524 int size = resultTargetUser.size(); 5525 for (int i = 0; i < size; i++) { 5526 ResolveInfo riTargetUser = resultTargetUser.get(i); 5527 // Intent filter verification is only for filters that specify a host. So don't return 5528 // those that handle all web uris. 5529 if (riTargetUser.handleAllWebDataURI) { 5530 continue; 5531 } 5532 String packageName = riTargetUser.activityInfo.packageName; 5533 PackageSetting ps = mSettings.mPackages.get(packageName); 5534 if (ps == null) { 5535 continue; 5536 } 5537 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5538 int status = (int)(verificationState >> 32); 5539 if (result == null) { 5540 result = new CrossProfileDomainInfo(); 5541 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5542 sourceUserId, parentUserId); 5543 result.bestDomainVerificationStatus = status; 5544 } else { 5545 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5546 result.bestDomainVerificationStatus); 5547 } 5548 } 5549 // Don't consider matches with status NEVER across profiles. 5550 if (result != null && result.bestDomainVerificationStatus 5551 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5552 return null; 5553 } 5554 return result; 5555 } 5556 5557 /** 5558 * Verification statuses are ordered from the worse to the best, except for 5559 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5560 */ 5561 private int bestDomainVerificationStatus(int status1, int status2) { 5562 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5563 return status2; 5564 } 5565 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5566 return status1; 5567 } 5568 return (int) MathUtils.max(status1, status2); 5569 } 5570 5571 private boolean isUserEnabled(int userId) { 5572 long callingId = Binder.clearCallingIdentity(); 5573 try { 5574 UserInfo userInfo = sUserManager.getUserInfo(userId); 5575 return userInfo != null && userInfo.isEnabled(); 5576 } finally { 5577 Binder.restoreCallingIdentity(callingId); 5578 } 5579 } 5580 5581 /** 5582 * Filter out activities with systemUserOnly flag set, when current user is not System. 5583 * 5584 * @return filtered list 5585 */ 5586 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5587 if (userId == UserHandle.USER_SYSTEM) { 5588 return resolveInfos; 5589 } 5590 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5591 ResolveInfo info = resolveInfos.get(i); 5592 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5593 resolveInfos.remove(i); 5594 } 5595 } 5596 return resolveInfos; 5597 } 5598 5599 /** 5600 * @param resolveInfos list of resolve infos in descending priority order 5601 * @return if the list contains a resolve info with non-negative priority 5602 */ 5603 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5604 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5605 } 5606 5607 private static boolean hasWebURI(Intent intent) { 5608 if (intent.getData() == null) { 5609 return false; 5610 } 5611 final String scheme = intent.getScheme(); 5612 if (TextUtils.isEmpty(scheme)) { 5613 return false; 5614 } 5615 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5616 } 5617 5618 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5619 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5620 int userId) { 5621 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5622 5623 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5624 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5625 candidates.size()); 5626 } 5627 5628 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5629 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5630 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5631 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5632 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5633 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5634 5635 synchronized (mPackages) { 5636 final int count = candidates.size(); 5637 // First, try to use linked apps. Partition the candidates into four lists: 5638 // one for the final results, one for the "do not use ever", one for "undefined status" 5639 // and finally one for "browser app type". 5640 for (int n=0; n<count; n++) { 5641 ResolveInfo info = candidates.get(n); 5642 String packageName = info.activityInfo.packageName; 5643 PackageSetting ps = mSettings.mPackages.get(packageName); 5644 if (ps != null) { 5645 // Add to the special match all list (Browser use case) 5646 if (info.handleAllWebDataURI) { 5647 matchAllList.add(info); 5648 continue; 5649 } 5650 // Try to get the status from User settings first 5651 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5652 int status = (int)(packedStatus >> 32); 5653 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5654 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5655 if (DEBUG_DOMAIN_VERIFICATION) { 5656 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5657 + " : linkgen=" + linkGeneration); 5658 } 5659 // Use link-enabled generation as preferredOrder, i.e. 5660 // prefer newly-enabled over earlier-enabled. 5661 info.preferredOrder = linkGeneration; 5662 alwaysList.add(info); 5663 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5664 if (DEBUG_DOMAIN_VERIFICATION) { 5665 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5666 } 5667 neverList.add(info); 5668 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5669 if (DEBUG_DOMAIN_VERIFICATION) { 5670 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5671 } 5672 alwaysAskList.add(info); 5673 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5674 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5675 if (DEBUG_DOMAIN_VERIFICATION) { 5676 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5677 } 5678 undefinedList.add(info); 5679 } 5680 } 5681 } 5682 5683 // We'll want to include browser possibilities in a few cases 5684 boolean includeBrowser = false; 5685 5686 // First try to add the "always" resolution(s) for the current user, if any 5687 if (alwaysList.size() > 0) { 5688 result.addAll(alwaysList); 5689 } else { 5690 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5691 result.addAll(undefinedList); 5692 // Maybe add one for the other profile. 5693 if (xpDomainInfo != null && ( 5694 xpDomainInfo.bestDomainVerificationStatus 5695 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5696 result.add(xpDomainInfo.resolveInfo); 5697 } 5698 includeBrowser = true; 5699 } 5700 5701 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5702 // If there were 'always' entries their preferred order has been set, so we also 5703 // back that off to make the alternatives equivalent 5704 if (alwaysAskList.size() > 0) { 5705 for (ResolveInfo i : result) { 5706 i.preferredOrder = 0; 5707 } 5708 result.addAll(alwaysAskList); 5709 includeBrowser = true; 5710 } 5711 5712 if (includeBrowser) { 5713 // Also add browsers (all of them or only the default one) 5714 if (DEBUG_DOMAIN_VERIFICATION) { 5715 Slog.v(TAG, " ...including browsers in candidate set"); 5716 } 5717 if ((matchFlags & MATCH_ALL) != 0) { 5718 result.addAll(matchAllList); 5719 } else { 5720 // Browser/generic handling case. If there's a default browser, go straight 5721 // to that (but only if there is no other higher-priority match). 5722 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5723 int maxMatchPrio = 0; 5724 ResolveInfo defaultBrowserMatch = null; 5725 final int numCandidates = matchAllList.size(); 5726 for (int n = 0; n < numCandidates; n++) { 5727 ResolveInfo info = matchAllList.get(n); 5728 // track the highest overall match priority... 5729 if (info.priority > maxMatchPrio) { 5730 maxMatchPrio = info.priority; 5731 } 5732 // ...and the highest-priority default browser match 5733 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5734 if (defaultBrowserMatch == null 5735 || (defaultBrowserMatch.priority < info.priority)) { 5736 if (debug) { 5737 Slog.v(TAG, "Considering default browser match " + info); 5738 } 5739 defaultBrowserMatch = info; 5740 } 5741 } 5742 } 5743 if (defaultBrowserMatch != null 5744 && defaultBrowserMatch.priority >= maxMatchPrio 5745 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5746 { 5747 if (debug) { 5748 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5749 } 5750 result.add(defaultBrowserMatch); 5751 } else { 5752 result.addAll(matchAllList); 5753 } 5754 } 5755 5756 // If there is nothing selected, add all candidates and remove the ones that the user 5757 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5758 if (result.size() == 0) { 5759 result.addAll(candidates); 5760 result.removeAll(neverList); 5761 } 5762 } 5763 } 5764 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5765 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5766 result.size()); 5767 for (ResolveInfo info : result) { 5768 Slog.v(TAG, " + " + info.activityInfo); 5769 } 5770 } 5771 return result; 5772 } 5773 5774 // Returns a packed value as a long: 5775 // 5776 // high 'int'-sized word: link status: undefined/ask/never/always. 5777 // low 'int'-sized word: relative priority among 'always' results. 5778 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5779 long result = ps.getDomainVerificationStatusForUser(userId); 5780 // if none available, get the master status 5781 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5782 if (ps.getIntentFilterVerificationInfo() != null) { 5783 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5784 } 5785 } 5786 return result; 5787 } 5788 5789 private ResolveInfo querySkipCurrentProfileIntents( 5790 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5791 int flags, int sourceUserId) { 5792 if (matchingFilters != null) { 5793 int size = matchingFilters.size(); 5794 for (int i = 0; i < size; i ++) { 5795 CrossProfileIntentFilter filter = matchingFilters.get(i); 5796 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5797 // Checking if there are activities in the target user that can handle the 5798 // intent. 5799 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5800 resolvedType, flags, sourceUserId); 5801 if (resolveInfo != null) { 5802 return resolveInfo; 5803 } 5804 } 5805 } 5806 } 5807 return null; 5808 } 5809 5810 // Return matching ResolveInfo in target user if any. 5811 private ResolveInfo queryCrossProfileIntents( 5812 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5813 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5814 if (matchingFilters != null) { 5815 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5816 // match the same intent. For performance reasons, it is better not to 5817 // run queryIntent twice for the same userId 5818 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5819 int size = matchingFilters.size(); 5820 for (int i = 0; i < size; i++) { 5821 CrossProfileIntentFilter filter = matchingFilters.get(i); 5822 int targetUserId = filter.getTargetUserId(); 5823 boolean skipCurrentProfile = 5824 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5825 boolean skipCurrentProfileIfNoMatchFound = 5826 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5827 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5828 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5829 // Checking if there are activities in the target user that can handle the 5830 // intent. 5831 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5832 resolvedType, flags, sourceUserId); 5833 if (resolveInfo != null) return resolveInfo; 5834 alreadyTriedUserIds.put(targetUserId, true); 5835 } 5836 } 5837 } 5838 return null; 5839 } 5840 5841 /** 5842 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5843 * will forward the intent to the filter's target user. 5844 * Otherwise, returns null. 5845 */ 5846 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5847 String resolvedType, int flags, int sourceUserId) { 5848 int targetUserId = filter.getTargetUserId(); 5849 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5850 resolvedType, flags, targetUserId); 5851 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5852 // If all the matches in the target profile are suspended, return null. 5853 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5854 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5855 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5856 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5857 targetUserId); 5858 } 5859 } 5860 } 5861 return null; 5862 } 5863 5864 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5865 int sourceUserId, int targetUserId) { 5866 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5867 long ident = Binder.clearCallingIdentity(); 5868 boolean targetIsProfile; 5869 try { 5870 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5871 } finally { 5872 Binder.restoreCallingIdentity(ident); 5873 } 5874 String className; 5875 if (targetIsProfile) { 5876 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5877 } else { 5878 className = FORWARD_INTENT_TO_PARENT; 5879 } 5880 ComponentName forwardingActivityComponentName = new ComponentName( 5881 mAndroidApplication.packageName, className); 5882 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5883 sourceUserId); 5884 if (!targetIsProfile) { 5885 forwardingActivityInfo.showUserIcon = targetUserId; 5886 forwardingResolveInfo.noResourceId = true; 5887 } 5888 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5889 forwardingResolveInfo.priority = 0; 5890 forwardingResolveInfo.preferredOrder = 0; 5891 forwardingResolveInfo.match = 0; 5892 forwardingResolveInfo.isDefault = true; 5893 forwardingResolveInfo.filter = filter; 5894 forwardingResolveInfo.targetUserId = targetUserId; 5895 return forwardingResolveInfo; 5896 } 5897 5898 @Override 5899 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5900 Intent[] specifics, String[] specificTypes, Intent intent, 5901 String resolvedType, int flags, int userId) { 5902 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5903 specificTypes, intent, resolvedType, flags, userId)); 5904 } 5905 5906 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5907 Intent[] specifics, String[] specificTypes, Intent intent, 5908 String resolvedType, int flags, int userId) { 5909 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5910 flags = updateFlagsForResolve(flags, userId, intent); 5911 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5912 false /* requireFullPermission */, false /* checkShell */, 5913 "query intent activity options"); 5914 final String resultsAction = intent.getAction(); 5915 5916 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5917 | PackageManager.GET_RESOLVED_FILTER, userId); 5918 5919 if (DEBUG_INTENT_MATCHING) { 5920 Log.v(TAG, "Query " + intent + ": " + results); 5921 } 5922 5923 int specificsPos = 0; 5924 int N; 5925 5926 // todo: note that the algorithm used here is O(N^2). This 5927 // isn't a problem in our current environment, but if we start running 5928 // into situations where we have more than 5 or 10 matches then this 5929 // should probably be changed to something smarter... 5930 5931 // First we go through and resolve each of the specific items 5932 // that were supplied, taking care of removing any corresponding 5933 // duplicate items in the generic resolve list. 5934 if (specifics != null) { 5935 for (int i=0; i<specifics.length; i++) { 5936 final Intent sintent = specifics[i]; 5937 if (sintent == null) { 5938 continue; 5939 } 5940 5941 if (DEBUG_INTENT_MATCHING) { 5942 Log.v(TAG, "Specific #" + i + ": " + sintent); 5943 } 5944 5945 String action = sintent.getAction(); 5946 if (resultsAction != null && resultsAction.equals(action)) { 5947 // If this action was explicitly requested, then don't 5948 // remove things that have it. 5949 action = null; 5950 } 5951 5952 ResolveInfo ri = null; 5953 ActivityInfo ai = null; 5954 5955 ComponentName comp = sintent.getComponent(); 5956 if (comp == null) { 5957 ri = resolveIntent( 5958 sintent, 5959 specificTypes != null ? specificTypes[i] : null, 5960 flags, userId); 5961 if (ri == null) { 5962 continue; 5963 } 5964 if (ri == mResolveInfo) { 5965 // ACK! Must do something better with this. 5966 } 5967 ai = ri.activityInfo; 5968 comp = new ComponentName(ai.applicationInfo.packageName, 5969 ai.name); 5970 } else { 5971 ai = getActivityInfo(comp, flags, userId); 5972 if (ai == null) { 5973 continue; 5974 } 5975 } 5976 5977 // Look for any generic query activities that are duplicates 5978 // of this specific one, and remove them from the results. 5979 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5980 N = results.size(); 5981 int j; 5982 for (j=specificsPos; j<N; j++) { 5983 ResolveInfo sri = results.get(j); 5984 if ((sri.activityInfo.name.equals(comp.getClassName()) 5985 && sri.activityInfo.applicationInfo.packageName.equals( 5986 comp.getPackageName())) 5987 || (action != null && sri.filter.matchAction(action))) { 5988 results.remove(j); 5989 if (DEBUG_INTENT_MATCHING) Log.v( 5990 TAG, "Removing duplicate item from " + j 5991 + " due to specific " + specificsPos); 5992 if (ri == null) { 5993 ri = sri; 5994 } 5995 j--; 5996 N--; 5997 } 5998 } 5999 6000 // Add this specific item to its proper place. 6001 if (ri == null) { 6002 ri = new ResolveInfo(); 6003 ri.activityInfo = ai; 6004 } 6005 results.add(specificsPos, ri); 6006 ri.specificIndex = i; 6007 specificsPos++; 6008 } 6009 } 6010 6011 // Now we go through the remaining generic results and remove any 6012 // duplicate actions that are found here. 6013 N = results.size(); 6014 for (int i=specificsPos; i<N-1; i++) { 6015 final ResolveInfo rii = results.get(i); 6016 if (rii.filter == null) { 6017 continue; 6018 } 6019 6020 // Iterate over all of the actions of this result's intent 6021 // filter... typically this should be just one. 6022 final Iterator<String> it = rii.filter.actionsIterator(); 6023 if (it == null) { 6024 continue; 6025 } 6026 while (it.hasNext()) { 6027 final String action = it.next(); 6028 if (resultsAction != null && resultsAction.equals(action)) { 6029 // If this action was explicitly requested, then don't 6030 // remove things that have it. 6031 continue; 6032 } 6033 for (int j=i+1; j<N; j++) { 6034 final ResolveInfo rij = results.get(j); 6035 if (rij.filter != null && rij.filter.hasAction(action)) { 6036 results.remove(j); 6037 if (DEBUG_INTENT_MATCHING) Log.v( 6038 TAG, "Removing duplicate item from " + j 6039 + " due to action " + action + " at " + i); 6040 j--; 6041 N--; 6042 } 6043 } 6044 } 6045 6046 // If the caller didn't request filter information, drop it now 6047 // so we don't have to marshall/unmarshall it. 6048 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6049 rii.filter = null; 6050 } 6051 } 6052 6053 // Filter out the caller activity if so requested. 6054 if (caller != null) { 6055 N = results.size(); 6056 for (int i=0; i<N; i++) { 6057 ActivityInfo ainfo = results.get(i).activityInfo; 6058 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6059 && caller.getClassName().equals(ainfo.name)) { 6060 results.remove(i); 6061 break; 6062 } 6063 } 6064 } 6065 6066 // If the caller didn't request filter information, 6067 // drop them now so we don't have to 6068 // marshall/unmarshall it. 6069 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6070 N = results.size(); 6071 for (int i=0; i<N; i++) { 6072 results.get(i).filter = null; 6073 } 6074 } 6075 6076 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6077 return results; 6078 } 6079 6080 @Override 6081 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6082 String resolvedType, int flags, int userId) { 6083 return new ParceledListSlice<>( 6084 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6085 } 6086 6087 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6088 String resolvedType, int flags, int userId) { 6089 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6090 flags = updateFlagsForResolve(flags, userId, intent); 6091 ComponentName comp = intent.getComponent(); 6092 if (comp == null) { 6093 if (intent.getSelector() != null) { 6094 intent = intent.getSelector(); 6095 comp = intent.getComponent(); 6096 } 6097 } 6098 if (comp != null) { 6099 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6100 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6101 if (ai != null) { 6102 ResolveInfo ri = new ResolveInfo(); 6103 ri.activityInfo = ai; 6104 list.add(ri); 6105 } 6106 return list; 6107 } 6108 6109 // reader 6110 synchronized (mPackages) { 6111 String pkgName = intent.getPackage(); 6112 if (pkgName == null) { 6113 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6114 } 6115 final PackageParser.Package pkg = mPackages.get(pkgName); 6116 if (pkg != null) { 6117 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6118 userId); 6119 } 6120 return Collections.emptyList(); 6121 } 6122 } 6123 6124 @Override 6125 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6126 if (!sUserManager.exists(userId)) return null; 6127 flags = updateFlagsForResolve(flags, userId, intent); 6128 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6129 if (query != null) { 6130 if (query.size() >= 1) { 6131 // If there is more than one service with the same priority, 6132 // just arbitrarily pick the first one. 6133 return query.get(0); 6134 } 6135 } 6136 return null; 6137 } 6138 6139 @Override 6140 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6141 String resolvedType, int flags, int userId) { 6142 return new ParceledListSlice<>( 6143 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6144 } 6145 6146 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6147 String resolvedType, int flags, int userId) { 6148 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6149 flags = updateFlagsForResolve(flags, userId, intent); 6150 ComponentName comp = intent.getComponent(); 6151 if (comp == null) { 6152 if (intent.getSelector() != null) { 6153 intent = intent.getSelector(); 6154 comp = intent.getComponent(); 6155 } 6156 } 6157 if (comp != null) { 6158 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6159 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6160 if (si != null) { 6161 final ResolveInfo ri = new ResolveInfo(); 6162 ri.serviceInfo = si; 6163 list.add(ri); 6164 } 6165 return list; 6166 } 6167 6168 // reader 6169 synchronized (mPackages) { 6170 String pkgName = intent.getPackage(); 6171 if (pkgName == null) { 6172 return mServices.queryIntent(intent, resolvedType, flags, userId); 6173 } 6174 final PackageParser.Package pkg = mPackages.get(pkgName); 6175 if (pkg != null) { 6176 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6177 userId); 6178 } 6179 return Collections.emptyList(); 6180 } 6181 } 6182 6183 @Override 6184 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6185 String resolvedType, int flags, int userId) { 6186 return new ParceledListSlice<>( 6187 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6188 } 6189 6190 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6191 Intent intent, String resolvedType, int flags, int userId) { 6192 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6193 flags = updateFlagsForResolve(flags, userId, intent); 6194 ComponentName comp = intent.getComponent(); 6195 if (comp == null) { 6196 if (intent.getSelector() != null) { 6197 intent = intent.getSelector(); 6198 comp = intent.getComponent(); 6199 } 6200 } 6201 if (comp != null) { 6202 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6203 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6204 if (pi != null) { 6205 final ResolveInfo ri = new ResolveInfo(); 6206 ri.providerInfo = pi; 6207 list.add(ri); 6208 } 6209 return list; 6210 } 6211 6212 // reader 6213 synchronized (mPackages) { 6214 String pkgName = intent.getPackage(); 6215 if (pkgName == null) { 6216 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6217 } 6218 final PackageParser.Package pkg = mPackages.get(pkgName); 6219 if (pkg != null) { 6220 return mProviders.queryIntentForPackage( 6221 intent, resolvedType, flags, pkg.providers, userId); 6222 } 6223 return Collections.emptyList(); 6224 } 6225 } 6226 6227 @Override 6228 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6229 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6230 flags = updateFlagsForPackage(flags, userId, null); 6231 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6232 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6233 true /* requireFullPermission */, false /* checkShell */, 6234 "get installed packages"); 6235 6236 // writer 6237 synchronized (mPackages) { 6238 ArrayList<PackageInfo> list; 6239 if (listUninstalled) { 6240 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6241 for (PackageSetting ps : mSettings.mPackages.values()) { 6242 final PackageInfo pi; 6243 if (ps.pkg != null) { 6244 pi = generatePackageInfo(ps, flags, userId); 6245 } else { 6246 pi = generatePackageInfo(ps, flags, userId); 6247 } 6248 if (pi != null) { 6249 list.add(pi); 6250 } 6251 } 6252 } else { 6253 list = new ArrayList<PackageInfo>(mPackages.size()); 6254 for (PackageParser.Package p : mPackages.values()) { 6255 final PackageInfo pi = 6256 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6257 if (pi != null) { 6258 list.add(pi); 6259 } 6260 } 6261 } 6262 6263 return new ParceledListSlice<PackageInfo>(list); 6264 } 6265 } 6266 6267 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6268 String[] permissions, boolean[] tmp, int flags, int userId) { 6269 int numMatch = 0; 6270 final PermissionsState permissionsState = ps.getPermissionsState(); 6271 for (int i=0; i<permissions.length; i++) { 6272 final String permission = permissions[i]; 6273 if (permissionsState.hasPermission(permission, userId)) { 6274 tmp[i] = true; 6275 numMatch++; 6276 } else { 6277 tmp[i] = false; 6278 } 6279 } 6280 if (numMatch == 0) { 6281 return; 6282 } 6283 final PackageInfo pi; 6284 if (ps.pkg != null) { 6285 pi = generatePackageInfo(ps, flags, userId); 6286 } else { 6287 pi = generatePackageInfo(ps, flags, userId); 6288 } 6289 // The above might return null in cases of uninstalled apps or install-state 6290 // skew across users/profiles. 6291 if (pi != null) { 6292 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6293 if (numMatch == permissions.length) { 6294 pi.requestedPermissions = permissions; 6295 } else { 6296 pi.requestedPermissions = new String[numMatch]; 6297 numMatch = 0; 6298 for (int i=0; i<permissions.length; i++) { 6299 if (tmp[i]) { 6300 pi.requestedPermissions[numMatch] = permissions[i]; 6301 numMatch++; 6302 } 6303 } 6304 } 6305 } 6306 list.add(pi); 6307 } 6308 } 6309 6310 @Override 6311 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6312 String[] permissions, int flags, int userId) { 6313 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6314 flags = updateFlagsForPackage(flags, userId, permissions); 6315 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6316 6317 // writer 6318 synchronized (mPackages) { 6319 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6320 boolean[] tmpBools = new boolean[permissions.length]; 6321 if (listUninstalled) { 6322 for (PackageSetting ps : mSettings.mPackages.values()) { 6323 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6324 } 6325 } else { 6326 for (PackageParser.Package pkg : mPackages.values()) { 6327 PackageSetting ps = (PackageSetting)pkg.mExtras; 6328 if (ps != null) { 6329 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6330 userId); 6331 } 6332 } 6333 } 6334 6335 return new ParceledListSlice<PackageInfo>(list); 6336 } 6337 } 6338 6339 @Override 6340 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6341 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6342 flags = updateFlagsForApplication(flags, userId, null); 6343 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6344 6345 // writer 6346 synchronized (mPackages) { 6347 ArrayList<ApplicationInfo> list; 6348 if (listUninstalled) { 6349 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6350 for (PackageSetting ps : mSettings.mPackages.values()) { 6351 ApplicationInfo ai; 6352 if (ps.pkg != null) { 6353 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6354 ps.readUserState(userId), userId); 6355 } else { 6356 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6357 } 6358 if (ai != null) { 6359 list.add(ai); 6360 } 6361 } 6362 } else { 6363 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6364 for (PackageParser.Package p : mPackages.values()) { 6365 if (p.mExtras != null) { 6366 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6367 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6368 if (ai != null) { 6369 list.add(ai); 6370 } 6371 } 6372 } 6373 } 6374 6375 return new ParceledListSlice<ApplicationInfo>(list); 6376 } 6377 } 6378 6379 @Override 6380 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6381 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6382 return null; 6383 } 6384 6385 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6386 "getEphemeralApplications"); 6387 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6388 true /* requireFullPermission */, false /* checkShell */, 6389 "getEphemeralApplications"); 6390 synchronized (mPackages) { 6391 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6392 .getEphemeralApplicationsLPw(userId); 6393 if (ephemeralApps != null) { 6394 return new ParceledListSlice<>(ephemeralApps); 6395 } 6396 } 6397 return null; 6398 } 6399 6400 @Override 6401 public boolean isEphemeralApplication(String packageName, int userId) { 6402 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6403 true /* requireFullPermission */, false /* checkShell */, 6404 "isEphemeral"); 6405 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6406 return false; 6407 } 6408 6409 if (!isCallerSameApp(packageName)) { 6410 return false; 6411 } 6412 synchronized (mPackages) { 6413 PackageParser.Package pkg = mPackages.get(packageName); 6414 if (pkg != null) { 6415 return pkg.applicationInfo.isEphemeralApp(); 6416 } 6417 } 6418 return false; 6419 } 6420 6421 @Override 6422 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6423 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6424 return null; 6425 } 6426 6427 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6428 true /* requireFullPermission */, false /* checkShell */, 6429 "getCookie"); 6430 if (!isCallerSameApp(packageName)) { 6431 return null; 6432 } 6433 synchronized (mPackages) { 6434 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6435 packageName, userId); 6436 } 6437 } 6438 6439 @Override 6440 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6441 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6442 return true; 6443 } 6444 6445 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6446 true /* requireFullPermission */, true /* checkShell */, 6447 "setCookie"); 6448 if (!isCallerSameApp(packageName)) { 6449 return false; 6450 } 6451 synchronized (mPackages) { 6452 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6453 packageName, cookie, userId); 6454 } 6455 } 6456 6457 @Override 6458 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6459 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6460 return null; 6461 } 6462 6463 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6464 "getEphemeralApplicationIcon"); 6465 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6466 true /* requireFullPermission */, false /* checkShell */, 6467 "getEphemeralApplicationIcon"); 6468 synchronized (mPackages) { 6469 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6470 packageName, userId); 6471 } 6472 } 6473 6474 private boolean isCallerSameApp(String packageName) { 6475 PackageParser.Package pkg = mPackages.get(packageName); 6476 return pkg != null 6477 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6478 } 6479 6480 @Override 6481 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6482 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6483 } 6484 6485 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6486 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6487 6488 // reader 6489 synchronized (mPackages) { 6490 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6491 final int userId = UserHandle.getCallingUserId(); 6492 while (i.hasNext()) { 6493 final PackageParser.Package p = i.next(); 6494 if (p.applicationInfo == null) continue; 6495 6496 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6497 && !p.applicationInfo.isDirectBootAware(); 6498 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6499 && p.applicationInfo.isDirectBootAware(); 6500 6501 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6502 && (!mSafeMode || isSystemApp(p)) 6503 && (matchesUnaware || matchesAware)) { 6504 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6505 if (ps != null) { 6506 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6507 ps.readUserState(userId), userId); 6508 if (ai != null) { 6509 finalList.add(ai); 6510 } 6511 } 6512 } 6513 } 6514 } 6515 6516 return finalList; 6517 } 6518 6519 @Override 6520 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6521 if (!sUserManager.exists(userId)) return null; 6522 flags = updateFlagsForComponent(flags, userId, name); 6523 // reader 6524 synchronized (mPackages) { 6525 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6526 PackageSetting ps = provider != null 6527 ? mSettings.mPackages.get(provider.owner.packageName) 6528 : null; 6529 return ps != null 6530 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6531 ? PackageParser.generateProviderInfo(provider, flags, 6532 ps.readUserState(userId), userId) 6533 : null; 6534 } 6535 } 6536 6537 /** 6538 * @deprecated 6539 */ 6540 @Deprecated 6541 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6542 // reader 6543 synchronized (mPackages) { 6544 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6545 .entrySet().iterator(); 6546 final int userId = UserHandle.getCallingUserId(); 6547 while (i.hasNext()) { 6548 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6549 PackageParser.Provider p = entry.getValue(); 6550 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6551 6552 if (ps != null && p.syncable 6553 && (!mSafeMode || (p.info.applicationInfo.flags 6554 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6555 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6556 ps.readUserState(userId), userId); 6557 if (info != null) { 6558 outNames.add(entry.getKey()); 6559 outInfo.add(info); 6560 } 6561 } 6562 } 6563 } 6564 } 6565 6566 @Override 6567 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6568 int uid, int flags) { 6569 final int userId = processName != null ? UserHandle.getUserId(uid) 6570 : UserHandle.getCallingUserId(); 6571 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6572 flags = updateFlagsForComponent(flags, userId, processName); 6573 6574 ArrayList<ProviderInfo> finalList = null; 6575 // reader 6576 synchronized (mPackages) { 6577 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6578 while (i.hasNext()) { 6579 final PackageParser.Provider p = i.next(); 6580 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6581 if (ps != null && p.info.authority != null 6582 && (processName == null 6583 || (p.info.processName.equals(processName) 6584 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6585 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6586 if (finalList == null) { 6587 finalList = new ArrayList<ProviderInfo>(3); 6588 } 6589 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6590 ps.readUserState(userId), userId); 6591 if (info != null) { 6592 finalList.add(info); 6593 } 6594 } 6595 } 6596 } 6597 6598 if (finalList != null) { 6599 Collections.sort(finalList, mProviderInitOrderSorter); 6600 return new ParceledListSlice<ProviderInfo>(finalList); 6601 } 6602 6603 return ParceledListSlice.emptyList(); 6604 } 6605 6606 @Override 6607 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6608 // reader 6609 synchronized (mPackages) { 6610 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6611 return PackageParser.generateInstrumentationInfo(i, flags); 6612 } 6613 } 6614 6615 @Override 6616 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6617 String targetPackage, int flags) { 6618 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6619 } 6620 6621 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6622 int flags) { 6623 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6624 6625 // reader 6626 synchronized (mPackages) { 6627 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6628 while (i.hasNext()) { 6629 final PackageParser.Instrumentation p = i.next(); 6630 if (targetPackage == null 6631 || targetPackage.equals(p.info.targetPackage)) { 6632 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6633 flags); 6634 if (ii != null) { 6635 finalList.add(ii); 6636 } 6637 } 6638 } 6639 } 6640 6641 return finalList; 6642 } 6643 6644 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6645 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6646 if (overlays == null) { 6647 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6648 return; 6649 } 6650 for (PackageParser.Package opkg : overlays.values()) { 6651 // Not much to do if idmap fails: we already logged the error 6652 // and we certainly don't want to abort installation of pkg simply 6653 // because an overlay didn't fit properly. For these reasons, 6654 // ignore the return value of createIdmapForPackagePairLI. 6655 createIdmapForPackagePairLI(pkg, opkg); 6656 } 6657 } 6658 6659 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6660 PackageParser.Package opkg) { 6661 if (!opkg.mTrustedOverlay) { 6662 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6663 opkg.baseCodePath + ": overlay not trusted"); 6664 return false; 6665 } 6666 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6667 if (overlaySet == null) { 6668 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6669 opkg.baseCodePath + " but target package has no known overlays"); 6670 return false; 6671 } 6672 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6673 // TODO: generate idmap for split APKs 6674 try { 6675 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6676 } catch (InstallerException e) { 6677 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6678 + opkg.baseCodePath); 6679 return false; 6680 } 6681 PackageParser.Package[] overlayArray = 6682 overlaySet.values().toArray(new PackageParser.Package[0]); 6683 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6684 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6685 return p1.mOverlayPriority - p2.mOverlayPriority; 6686 } 6687 }; 6688 Arrays.sort(overlayArray, cmp); 6689 6690 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6691 int i = 0; 6692 for (PackageParser.Package p : overlayArray) { 6693 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6694 } 6695 return true; 6696 } 6697 6698 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6699 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 6700 try { 6701 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6702 } finally { 6703 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6704 } 6705 } 6706 6707 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6708 final File[] files = dir.listFiles(); 6709 if (ArrayUtils.isEmpty(files)) { 6710 Log.d(TAG, "No files in app dir " + dir); 6711 return; 6712 } 6713 6714 if (DEBUG_PACKAGE_SCANNING) { 6715 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6716 + " flags=0x" + Integer.toHexString(parseFlags)); 6717 } 6718 6719 for (File file : files) { 6720 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6721 && !PackageInstallerService.isStageName(file.getName()); 6722 if (!isPackage) { 6723 // Ignore entries which are not packages 6724 continue; 6725 } 6726 try { 6727 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6728 scanFlags, currentTime, null); 6729 } catch (PackageManagerException e) { 6730 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6731 6732 // Delete invalid userdata apps 6733 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6734 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6735 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6736 removeCodePathLI(file); 6737 } 6738 } 6739 } 6740 } 6741 6742 private static File getSettingsProblemFile() { 6743 File dataDir = Environment.getDataDirectory(); 6744 File systemDir = new File(dataDir, "system"); 6745 File fname = new File(systemDir, "uiderrors.txt"); 6746 return fname; 6747 } 6748 6749 static void reportSettingsProblem(int priority, String msg) { 6750 logCriticalInfo(priority, msg); 6751 } 6752 6753 static void logCriticalInfo(int priority, String msg) { 6754 Slog.println(priority, TAG, msg); 6755 EventLogTags.writePmCriticalInfo(msg); 6756 try { 6757 File fname = getSettingsProblemFile(); 6758 FileOutputStream out = new FileOutputStream(fname, true); 6759 PrintWriter pw = new FastPrintWriter(out); 6760 SimpleDateFormat formatter = new SimpleDateFormat(); 6761 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6762 pw.println(dateString + ": " + msg); 6763 pw.close(); 6764 FileUtils.setPermissions( 6765 fname.toString(), 6766 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6767 -1, -1); 6768 } catch (java.io.IOException e) { 6769 } 6770 } 6771 6772 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6773 if (srcFile.isDirectory()) { 6774 final File baseFile = new File(pkg.baseCodePath); 6775 long maxModifiedTime = baseFile.lastModified(); 6776 if (pkg.splitCodePaths != null) { 6777 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6778 final File splitFile = new File(pkg.splitCodePaths[i]); 6779 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6780 } 6781 } 6782 return maxModifiedTime; 6783 } 6784 return srcFile.lastModified(); 6785 } 6786 6787 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6788 final int policyFlags) throws PackageManagerException { 6789 // When upgrading from pre-N MR1, verify the package time stamp using the package 6790 // directory and not the APK file. 6791 final long lastModifiedTime = mIsPreNMR1Upgrade 6792 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6793 if (ps != null 6794 && ps.codePath.equals(srcFile) 6795 && ps.timeStamp == lastModifiedTime 6796 && !isCompatSignatureUpdateNeeded(pkg) 6797 && !isRecoverSignatureUpdateNeeded(pkg)) { 6798 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6799 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6800 ArraySet<PublicKey> signingKs; 6801 synchronized (mPackages) { 6802 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6803 } 6804 if (ps.signatures.mSignatures != null 6805 && ps.signatures.mSignatures.length != 0 6806 && signingKs != null) { 6807 // Optimization: reuse the existing cached certificates 6808 // if the package appears to be unchanged. 6809 pkg.mSignatures = ps.signatures.mSignatures; 6810 pkg.mSigningKeys = signingKs; 6811 return; 6812 } 6813 6814 Slog.w(TAG, "PackageSetting for " + ps.name 6815 + " is missing signatures. Collecting certs again to recover them."); 6816 } else { 6817 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6818 } 6819 6820 try { 6821 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 6822 PackageParser.collectCertificates(pkg, policyFlags); 6823 } catch (PackageParserException e) { 6824 throw PackageManagerException.from(e); 6825 } finally { 6826 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6827 } 6828 } 6829 6830 /** 6831 * Traces a package scan. 6832 * @see #scanPackageLI(File, int, int, long, UserHandle) 6833 */ 6834 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6835 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6836 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 6837 try { 6838 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6839 } finally { 6840 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6841 } 6842 } 6843 6844 /** 6845 * Scans a package and returns the newly parsed package. 6846 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6847 */ 6848 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6849 long currentTime, UserHandle user) throws PackageManagerException { 6850 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6851 PackageParser pp = new PackageParser(); 6852 pp.setSeparateProcesses(mSeparateProcesses); 6853 pp.setOnlyCoreApps(mOnlyCore); 6854 pp.setDisplayMetrics(mMetrics); 6855 6856 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6857 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6858 } 6859 6860 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6861 final PackageParser.Package pkg; 6862 try { 6863 pkg = pp.parsePackage(scanFile, parseFlags); 6864 } catch (PackageParserException e) { 6865 throw PackageManagerException.from(e); 6866 } finally { 6867 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6868 } 6869 6870 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6871 } 6872 6873 /** 6874 * Scans a package and returns the newly parsed package. 6875 * @throws PackageManagerException on a parse error. 6876 */ 6877 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6878 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6879 throws PackageManagerException { 6880 // If the package has children and this is the first dive in the function 6881 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6882 // packages (parent and children) would be successfully scanned before the 6883 // actual scan since scanning mutates internal state and we want to atomically 6884 // install the package and its children. 6885 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6886 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6887 scanFlags |= SCAN_CHECK_ONLY; 6888 } 6889 } else { 6890 scanFlags &= ~SCAN_CHECK_ONLY; 6891 } 6892 6893 // Scan the parent 6894 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6895 scanFlags, currentTime, user); 6896 6897 // Scan the children 6898 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6899 for (int i = 0; i < childCount; i++) { 6900 PackageParser.Package childPackage = pkg.childPackages.get(i); 6901 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6902 currentTime, user); 6903 } 6904 6905 6906 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6907 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6908 } 6909 6910 return scannedPkg; 6911 } 6912 6913 /** 6914 * Scans a package and returns the newly parsed package. 6915 * @throws PackageManagerException on a parse error. 6916 */ 6917 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6918 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6919 throws PackageManagerException { 6920 PackageSetting ps = null; 6921 PackageSetting updatedPkg; 6922 // reader 6923 synchronized (mPackages) { 6924 // Look to see if we already know about this package. 6925 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 6926 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6927 // This package has been renamed to its original name. Let's 6928 // use that. 6929 ps = mSettings.getPackageLPr(oldName); 6930 } 6931 // If there was no original package, see one for the real package name. 6932 if (ps == null) { 6933 ps = mSettings.getPackageLPr(pkg.packageName); 6934 } 6935 // Check to see if this package could be hiding/updating a system 6936 // package. Must look for it either under the original or real 6937 // package name depending on our state. 6938 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6939 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6940 6941 // If this is a package we don't know about on the system partition, we 6942 // may need to remove disabled child packages on the system partition 6943 // or may need to not add child packages if the parent apk is updated 6944 // on the data partition and no longer defines this child package. 6945 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6946 // If this is a parent package for an updated system app and this system 6947 // app got an OTA update which no longer defines some of the child packages 6948 // we have to prune them from the disabled system packages. 6949 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6950 if (disabledPs != null) { 6951 final int scannedChildCount = (pkg.childPackages != null) 6952 ? pkg.childPackages.size() : 0; 6953 final int disabledChildCount = disabledPs.childPackageNames != null 6954 ? disabledPs.childPackageNames.size() : 0; 6955 for (int i = 0; i < disabledChildCount; i++) { 6956 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6957 boolean disabledPackageAvailable = false; 6958 for (int j = 0; j < scannedChildCount; j++) { 6959 PackageParser.Package childPkg = pkg.childPackages.get(j); 6960 if (childPkg.packageName.equals(disabledChildPackageName)) { 6961 disabledPackageAvailable = true; 6962 break; 6963 } 6964 } 6965 if (!disabledPackageAvailable) { 6966 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6967 } 6968 } 6969 } 6970 } 6971 } 6972 6973 boolean updatedPkgBetter = false; 6974 // First check if this is a system package that may involve an update 6975 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6976 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6977 // it needs to drop FLAG_PRIVILEGED. 6978 if (locationIsPrivileged(scanFile)) { 6979 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6980 } else { 6981 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6982 } 6983 6984 if (ps != null && !ps.codePath.equals(scanFile)) { 6985 // The path has changed from what was last scanned... check the 6986 // version of the new path against what we have stored to determine 6987 // what to do. 6988 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6989 if (pkg.mVersionCode <= ps.versionCode) { 6990 // The system package has been updated and the code path does not match 6991 // Ignore entry. Skip it. 6992 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6993 + " ignored: updated version " + ps.versionCode 6994 + " better than this " + pkg.mVersionCode); 6995 if (!updatedPkg.codePath.equals(scanFile)) { 6996 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6997 + ps.name + " changing from " + updatedPkg.codePathString 6998 + " to " + scanFile); 6999 updatedPkg.codePath = scanFile; 7000 updatedPkg.codePathString = scanFile.toString(); 7001 updatedPkg.resourcePath = scanFile; 7002 updatedPkg.resourcePathString = scanFile.toString(); 7003 } 7004 updatedPkg.pkg = pkg; 7005 updatedPkg.versionCode = pkg.mVersionCode; 7006 7007 // Update the disabled system child packages to point to the package too. 7008 final int childCount = updatedPkg.childPackageNames != null 7009 ? updatedPkg.childPackageNames.size() : 0; 7010 for (int i = 0; i < childCount; i++) { 7011 String childPackageName = updatedPkg.childPackageNames.get(i); 7012 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7013 childPackageName); 7014 if (updatedChildPkg != null) { 7015 updatedChildPkg.pkg = pkg; 7016 updatedChildPkg.versionCode = pkg.mVersionCode; 7017 } 7018 } 7019 7020 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7021 + scanFile + " ignored: updated version " + ps.versionCode 7022 + " better than this " + pkg.mVersionCode); 7023 } else { 7024 // The current app on the system partition is better than 7025 // what we have updated to on the data partition; switch 7026 // back to the system partition version. 7027 // At this point, its safely assumed that package installation for 7028 // apps in system partition will go through. If not there won't be a working 7029 // version of the app 7030 // writer 7031 synchronized (mPackages) { 7032 // Just remove the loaded entries from package lists. 7033 mPackages.remove(ps.name); 7034 } 7035 7036 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7037 + " reverting from " + ps.codePathString 7038 + ": new version " + pkg.mVersionCode 7039 + " better than installed " + ps.versionCode); 7040 7041 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7042 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7043 synchronized (mInstallLock) { 7044 args.cleanUpResourcesLI(); 7045 } 7046 synchronized (mPackages) { 7047 mSettings.enableSystemPackageLPw(ps.name); 7048 } 7049 updatedPkgBetter = true; 7050 } 7051 } 7052 } 7053 7054 if (updatedPkg != null) { 7055 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7056 // initially 7057 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7058 7059 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7060 // flag set initially 7061 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7062 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7063 } 7064 } 7065 7066 // Verify certificates against what was last scanned 7067 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7068 7069 /* 7070 * A new system app appeared, but we already had a non-system one of the 7071 * same name installed earlier. 7072 */ 7073 boolean shouldHideSystemApp = false; 7074 if (updatedPkg == null && ps != null 7075 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7076 /* 7077 * Check to make sure the signatures match first. If they don't, 7078 * wipe the installed application and its data. 7079 */ 7080 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7081 != PackageManager.SIGNATURE_MATCH) { 7082 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7083 + " signatures don't match existing userdata copy; removing"); 7084 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7085 "scanPackageInternalLI")) { 7086 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7087 } 7088 ps = null; 7089 } else { 7090 /* 7091 * If the newly-added system app is an older version than the 7092 * already installed version, hide it. It will be scanned later 7093 * and re-added like an update. 7094 */ 7095 if (pkg.mVersionCode <= ps.versionCode) { 7096 shouldHideSystemApp = true; 7097 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7098 + " but new version " + pkg.mVersionCode + " better than installed " 7099 + ps.versionCode + "; hiding system"); 7100 } else { 7101 /* 7102 * The newly found system app is a newer version that the 7103 * one previously installed. Simply remove the 7104 * already-installed application and replace it with our own 7105 * while keeping the application data. 7106 */ 7107 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7108 + " reverting from " + ps.codePathString + ": new version " 7109 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7110 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7111 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7112 synchronized (mInstallLock) { 7113 args.cleanUpResourcesLI(); 7114 } 7115 } 7116 } 7117 } 7118 7119 // The apk is forward locked (not public) if its code and resources 7120 // are kept in different files. (except for app in either system or 7121 // vendor path). 7122 // TODO grab this value from PackageSettings 7123 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7124 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7125 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7126 } 7127 } 7128 7129 // TODO: extend to support forward-locked splits 7130 String resourcePath = null; 7131 String baseResourcePath = null; 7132 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7133 if (ps != null && ps.resourcePathString != null) { 7134 resourcePath = ps.resourcePathString; 7135 baseResourcePath = ps.resourcePathString; 7136 } else { 7137 // Should not happen at all. Just log an error. 7138 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7139 } 7140 } else { 7141 resourcePath = pkg.codePath; 7142 baseResourcePath = pkg.baseCodePath; 7143 } 7144 7145 // Set application objects path explicitly. 7146 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7147 pkg.setApplicationInfoCodePath(pkg.codePath); 7148 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7149 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7150 pkg.setApplicationInfoResourcePath(resourcePath); 7151 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7152 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7153 7154 // Note that we invoke the following method only if we are about to unpack an application 7155 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7156 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7157 7158 /* 7159 * If the system app should be overridden by a previously installed 7160 * data, hide the system app now and let the /data/app scan pick it up 7161 * again. 7162 */ 7163 if (shouldHideSystemApp) { 7164 synchronized (mPackages) { 7165 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7166 } 7167 } 7168 7169 return scannedPkg; 7170 } 7171 7172 private static String fixProcessName(String defProcessName, 7173 String processName) { 7174 if (processName == null) { 7175 return defProcessName; 7176 } 7177 return processName; 7178 } 7179 7180 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7181 throws PackageManagerException { 7182 if (pkgSetting.signatures.mSignatures != null) { 7183 // Already existing package. Make sure signatures match 7184 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7185 == PackageManager.SIGNATURE_MATCH; 7186 if (!match) { 7187 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7188 == PackageManager.SIGNATURE_MATCH; 7189 } 7190 if (!match) { 7191 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7192 == PackageManager.SIGNATURE_MATCH; 7193 } 7194 if (!match) { 7195 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7196 + pkg.packageName + " signatures do not match the " 7197 + "previously installed version; ignoring!"); 7198 } 7199 } 7200 7201 // Check for shared user signatures 7202 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7203 // Already existing package. Make sure signatures match 7204 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7205 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7206 if (!match) { 7207 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7208 == PackageManager.SIGNATURE_MATCH; 7209 } 7210 if (!match) { 7211 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7212 == PackageManager.SIGNATURE_MATCH; 7213 } 7214 if (!match) { 7215 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7216 "Package " + pkg.packageName 7217 + " has no signatures that match those in shared user " 7218 + pkgSetting.sharedUser.name + "; ignoring!"); 7219 } 7220 } 7221 } 7222 7223 /** 7224 * Enforces that only the system UID or root's UID can call a method exposed 7225 * via Binder. 7226 * 7227 * @param message used as message if SecurityException is thrown 7228 * @throws SecurityException if the caller is not system or root 7229 */ 7230 private static final void enforceSystemOrRoot(String message) { 7231 final int uid = Binder.getCallingUid(); 7232 if (uid != Process.SYSTEM_UID && uid != 0) { 7233 throw new SecurityException(message); 7234 } 7235 } 7236 7237 @Override 7238 public void performFstrimIfNeeded() { 7239 enforceSystemOrRoot("Only the system can request fstrim"); 7240 7241 // Before everything else, see whether we need to fstrim. 7242 try { 7243 IMountService ms = PackageHelper.getMountService(); 7244 if (ms != null) { 7245 boolean doTrim = false; 7246 final long interval = android.provider.Settings.Global.getLong( 7247 mContext.getContentResolver(), 7248 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7249 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7250 if (interval > 0) { 7251 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7252 if (timeSinceLast > interval) { 7253 doTrim = true; 7254 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7255 + "; running immediately"); 7256 } 7257 } 7258 if (doTrim) { 7259 final boolean dexOptDialogShown; 7260 synchronized (mPackages) { 7261 dexOptDialogShown = mDexOptDialogShown; 7262 } 7263 if (!isFirstBoot() && dexOptDialogShown) { 7264 try { 7265 ActivityManagerNative.getDefault().showBootMessage( 7266 mContext.getResources().getString( 7267 R.string.android_upgrading_fstrim), true); 7268 } catch (RemoteException e) { 7269 } 7270 } 7271 ms.runMaintenance(); 7272 } 7273 } else { 7274 Slog.e(TAG, "Mount service unavailable!"); 7275 } 7276 } catch (RemoteException e) { 7277 // Can't happen; MountService is local 7278 } 7279 } 7280 7281 @Override 7282 public void updatePackagesIfNeeded() { 7283 enforceSystemOrRoot("Only the system can request package update"); 7284 7285 // We need to re-extract after an OTA. 7286 boolean causeUpgrade = isUpgrade(); 7287 7288 // First boot or factory reset. 7289 // Note: we also handle devices that are upgrading to N right now as if it is their 7290 // first boot, as they do not have profile data. 7291 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7292 7293 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7294 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7295 7296 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7297 return; 7298 } 7299 7300 List<PackageParser.Package> pkgs; 7301 synchronized (mPackages) { 7302 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7303 } 7304 7305 final long startTime = System.nanoTime(); 7306 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7307 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7308 7309 final int elapsedTimeSeconds = 7310 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7311 7312 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7313 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7314 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7315 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7316 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7317 } 7318 7319 /** 7320 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7321 * containing statistics about the invocation. The array consists of three elements, 7322 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7323 * and {@code numberOfPackagesFailed}. 7324 */ 7325 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7326 String compilerFilter) { 7327 7328 int numberOfPackagesVisited = 0; 7329 int numberOfPackagesOptimized = 0; 7330 int numberOfPackagesSkipped = 0; 7331 int numberOfPackagesFailed = 0; 7332 final int numberOfPackagesToDexopt = pkgs.size(); 7333 7334 for (PackageParser.Package pkg : pkgs) { 7335 numberOfPackagesVisited++; 7336 7337 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7338 if (DEBUG_DEXOPT) { 7339 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7340 } 7341 numberOfPackagesSkipped++; 7342 continue; 7343 } 7344 7345 if (DEBUG_DEXOPT) { 7346 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7347 numberOfPackagesToDexopt + ": " + pkg.packageName); 7348 } 7349 7350 if (showDialog) { 7351 try { 7352 ActivityManagerNative.getDefault().showBootMessage( 7353 mContext.getResources().getString(R.string.android_upgrading_apk, 7354 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7355 } catch (RemoteException e) { 7356 } 7357 synchronized (mPackages) { 7358 mDexOptDialogShown = true; 7359 } 7360 } 7361 7362 // If the OTA updates a system app which was previously preopted to a non-preopted state 7363 // the app might end up being verified at runtime. That's because by default the apps 7364 // are verify-profile but for preopted apps there's no profile. 7365 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7366 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7367 // filter (by default interpret-only). 7368 // Note that at this stage unused apps are already filtered. 7369 if (isSystemApp(pkg) && 7370 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7371 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7372 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7373 } 7374 7375 // If the OTA updates a system app which was previously preopted to a non-preopted state 7376 // the app might end up being verified at runtime. That's because by default the apps 7377 // are verify-profile but for preopted apps there's no profile. 7378 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7379 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7380 // filter (by default interpret-only). 7381 // Note that at this stage unused apps are already filtered. 7382 if (isSystemApp(pkg) && 7383 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7384 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7385 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7386 } 7387 7388 // checkProfiles is false to avoid merging profiles during boot which 7389 // might interfere with background compilation (b/28612421). 7390 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7391 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7392 // trade-off worth doing to save boot time work. 7393 int dexOptStatus = performDexOptTraced(pkg.packageName, 7394 false /* checkProfiles */, 7395 compilerFilter, 7396 false /* force */); 7397 switch (dexOptStatus) { 7398 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7399 numberOfPackagesOptimized++; 7400 break; 7401 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7402 numberOfPackagesSkipped++; 7403 break; 7404 case PackageDexOptimizer.DEX_OPT_FAILED: 7405 numberOfPackagesFailed++; 7406 break; 7407 default: 7408 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7409 break; 7410 } 7411 } 7412 7413 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7414 numberOfPackagesFailed }; 7415 } 7416 7417 @Override 7418 public void notifyPackageUse(String packageName, int reason) { 7419 synchronized (mPackages) { 7420 PackageParser.Package p = mPackages.get(packageName); 7421 if (p == null) { 7422 return; 7423 } 7424 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7425 } 7426 } 7427 7428 // TODO: this is not used nor needed. Delete it. 7429 @Override 7430 public boolean performDexOptIfNeeded(String packageName) { 7431 int dexOptStatus = performDexOptTraced(packageName, 7432 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7433 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7434 } 7435 7436 @Override 7437 public boolean performDexOpt(String packageName, 7438 boolean checkProfiles, int compileReason, boolean force) { 7439 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7440 getCompilerFilterForReason(compileReason), force); 7441 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7442 } 7443 7444 @Override 7445 public boolean performDexOptMode(String packageName, 7446 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7447 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7448 targetCompilerFilter, force); 7449 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7450 } 7451 7452 private int performDexOptTraced(String packageName, 7453 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7454 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7455 try { 7456 return performDexOptInternal(packageName, checkProfiles, 7457 targetCompilerFilter, force); 7458 } finally { 7459 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7460 } 7461 } 7462 7463 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7464 // if the package can now be considered up to date for the given filter. 7465 private int performDexOptInternal(String packageName, 7466 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7467 PackageParser.Package p; 7468 synchronized (mPackages) { 7469 p = mPackages.get(packageName); 7470 if (p == null) { 7471 // Package could not be found. Report failure. 7472 return PackageDexOptimizer.DEX_OPT_FAILED; 7473 } 7474 mPackageUsage.maybeWriteAsync(mPackages); 7475 mCompilerStats.maybeWriteAsync(); 7476 } 7477 long callingId = Binder.clearCallingIdentity(); 7478 try { 7479 synchronized (mInstallLock) { 7480 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7481 targetCompilerFilter, force); 7482 } 7483 } finally { 7484 Binder.restoreCallingIdentity(callingId); 7485 } 7486 } 7487 7488 public ArraySet<String> getOptimizablePackages() { 7489 ArraySet<String> pkgs = new ArraySet<String>(); 7490 synchronized (mPackages) { 7491 for (PackageParser.Package p : mPackages.values()) { 7492 if (PackageDexOptimizer.canOptimizePackage(p)) { 7493 pkgs.add(p.packageName); 7494 } 7495 } 7496 } 7497 return pkgs; 7498 } 7499 7500 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7501 boolean checkProfiles, String targetCompilerFilter, 7502 boolean force) { 7503 // Select the dex optimizer based on the force parameter. 7504 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7505 // allocate an object here. 7506 PackageDexOptimizer pdo = force 7507 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7508 : mPackageDexOptimizer; 7509 7510 // Optimize all dependencies first. Note: we ignore the return value and march on 7511 // on errors. 7512 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7513 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7514 if (!deps.isEmpty()) { 7515 for (PackageParser.Package depPackage : deps) { 7516 // TODO: Analyze and investigate if we (should) profile libraries. 7517 // Currently this will do a full compilation of the library by default. 7518 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7519 false /* checkProfiles */, 7520 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7521 getOrCreateCompilerPackageStats(depPackage)); 7522 } 7523 } 7524 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7525 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7526 } 7527 7528 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7529 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7530 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7531 Set<String> collectedNames = new HashSet<>(); 7532 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7533 7534 retValue.remove(p); 7535 7536 return retValue; 7537 } else { 7538 return Collections.emptyList(); 7539 } 7540 } 7541 7542 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7543 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7544 if (!collectedNames.contains(p.packageName)) { 7545 collectedNames.add(p.packageName); 7546 collected.add(p); 7547 7548 if (p.usesLibraries != null) { 7549 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7550 } 7551 if (p.usesOptionalLibraries != null) { 7552 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7553 collectedNames); 7554 } 7555 } 7556 } 7557 7558 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7559 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7560 for (String libName : libs) { 7561 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7562 if (libPkg != null) { 7563 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7564 } 7565 } 7566 } 7567 7568 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7569 synchronized (mPackages) { 7570 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7571 if (lib != null && lib.apk != null) { 7572 return mPackages.get(lib.apk); 7573 } 7574 } 7575 return null; 7576 } 7577 7578 public void shutdown() { 7579 mPackageUsage.writeNow(mPackages); 7580 mCompilerStats.writeNow(); 7581 } 7582 7583 @Override 7584 public void dumpProfiles(String packageName) { 7585 PackageParser.Package pkg; 7586 synchronized (mPackages) { 7587 pkg = mPackages.get(packageName); 7588 if (pkg == null) { 7589 throw new IllegalArgumentException("Unknown package: " + packageName); 7590 } 7591 } 7592 /* Only the shell, root, or the app user should be able to dump profiles. */ 7593 int callingUid = Binder.getCallingUid(); 7594 if (callingUid != Process.SHELL_UID && 7595 callingUid != Process.ROOT_UID && 7596 callingUid != pkg.applicationInfo.uid) { 7597 throw new SecurityException("dumpProfiles"); 7598 } 7599 7600 synchronized (mInstallLock) { 7601 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7602 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7603 try { 7604 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7605 String gid = Integer.toString(sharedGid); 7606 String codePaths = TextUtils.join(";", allCodePaths); 7607 mInstaller.dumpProfiles(gid, packageName, codePaths); 7608 } catch (InstallerException e) { 7609 Slog.w(TAG, "Failed to dump profiles", e); 7610 } 7611 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7612 } 7613 } 7614 7615 @Override 7616 public void forceDexOpt(String packageName) { 7617 enforceSystemOrRoot("forceDexOpt"); 7618 7619 PackageParser.Package pkg; 7620 synchronized (mPackages) { 7621 pkg = mPackages.get(packageName); 7622 if (pkg == null) { 7623 throw new IllegalArgumentException("Unknown package: " + packageName); 7624 } 7625 } 7626 7627 synchronized (mInstallLock) { 7628 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7629 7630 // Whoever is calling forceDexOpt wants a fully compiled package. 7631 // Don't use profiles since that may cause compilation to be skipped. 7632 final int res = performDexOptInternalWithDependenciesLI(pkg, 7633 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7634 true /* force */); 7635 7636 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7637 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7638 throw new IllegalStateException("Failed to dexopt: " + res); 7639 } 7640 } 7641 } 7642 7643 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7644 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7645 Slog.w(TAG, "Unable to update from " + oldPkg.name 7646 + " to " + newPkg.packageName 7647 + ": old package not in system partition"); 7648 return false; 7649 } else if (mPackages.get(oldPkg.name) != null) { 7650 Slog.w(TAG, "Unable to update from " + oldPkg.name 7651 + " to " + newPkg.packageName 7652 + ": old package still exists"); 7653 return false; 7654 } 7655 return true; 7656 } 7657 7658 void removeCodePathLI(File codePath) { 7659 if (codePath.isDirectory()) { 7660 try { 7661 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7662 } catch (InstallerException e) { 7663 Slog.w(TAG, "Failed to remove code path", e); 7664 } 7665 } else { 7666 codePath.delete(); 7667 } 7668 } 7669 7670 private int[] resolveUserIds(int userId) { 7671 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7672 } 7673 7674 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7675 if (pkg == null) { 7676 Slog.wtf(TAG, "Package was null!", new Throwable()); 7677 return; 7678 } 7679 clearAppDataLeafLIF(pkg, userId, flags); 7680 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7681 for (int i = 0; i < childCount; i++) { 7682 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7683 } 7684 } 7685 7686 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7687 final PackageSetting ps; 7688 synchronized (mPackages) { 7689 ps = mSettings.mPackages.get(pkg.packageName); 7690 } 7691 for (int realUserId : resolveUserIds(userId)) { 7692 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7693 try { 7694 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7695 ceDataInode); 7696 } catch (InstallerException e) { 7697 Slog.w(TAG, String.valueOf(e)); 7698 } 7699 } 7700 } 7701 7702 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7703 if (pkg == null) { 7704 Slog.wtf(TAG, "Package was null!", new Throwable()); 7705 return; 7706 } 7707 destroyAppDataLeafLIF(pkg, userId, flags); 7708 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7709 for (int i = 0; i < childCount; i++) { 7710 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7711 } 7712 } 7713 7714 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7715 final PackageSetting ps; 7716 synchronized (mPackages) { 7717 ps = mSettings.mPackages.get(pkg.packageName); 7718 } 7719 for (int realUserId : resolveUserIds(userId)) { 7720 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7721 try { 7722 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7723 ceDataInode); 7724 } catch (InstallerException e) { 7725 Slog.w(TAG, String.valueOf(e)); 7726 } 7727 } 7728 } 7729 7730 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7731 if (pkg == null) { 7732 Slog.wtf(TAG, "Package was null!", new Throwable()); 7733 return; 7734 } 7735 destroyAppProfilesLeafLIF(pkg); 7736 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7737 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7738 for (int i = 0; i < childCount; i++) { 7739 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7740 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7741 true /* removeBaseMarker */); 7742 } 7743 } 7744 7745 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7746 boolean removeBaseMarker) { 7747 if (pkg.isForwardLocked()) { 7748 return; 7749 } 7750 7751 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7752 try { 7753 path = PackageManagerServiceUtils.realpath(new File(path)); 7754 } catch (IOException e) { 7755 // TODO: Should we return early here ? 7756 Slog.w(TAG, "Failed to get canonical path", e); 7757 continue; 7758 } 7759 7760 final String useMarker = path.replace('/', '@'); 7761 for (int realUserId : resolveUserIds(userId)) { 7762 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7763 if (removeBaseMarker) { 7764 File foreignUseMark = new File(profileDir, useMarker); 7765 if (foreignUseMark.exists()) { 7766 if (!foreignUseMark.delete()) { 7767 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7768 + pkg.packageName); 7769 } 7770 } 7771 } 7772 7773 File[] markers = profileDir.listFiles(); 7774 if (markers != null) { 7775 final String searchString = "@" + pkg.packageName + "@"; 7776 // We also delete all markers that contain the package name we're 7777 // uninstalling. These are associated with secondary dex-files belonging 7778 // to the package. Reconstructing the path of these dex files is messy 7779 // in general. 7780 for (File marker : markers) { 7781 if (marker.getName().indexOf(searchString) > 0) { 7782 if (!marker.delete()) { 7783 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7784 + pkg.packageName); 7785 } 7786 } 7787 } 7788 } 7789 } 7790 } 7791 } 7792 7793 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7794 try { 7795 mInstaller.destroyAppProfiles(pkg.packageName); 7796 } catch (InstallerException e) { 7797 Slog.w(TAG, String.valueOf(e)); 7798 } 7799 } 7800 7801 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7802 if (pkg == null) { 7803 Slog.wtf(TAG, "Package was null!", new Throwable()); 7804 return; 7805 } 7806 clearAppProfilesLeafLIF(pkg); 7807 // We don't remove the base foreign use marker when clearing profiles because 7808 // we will rename it when the app is updated. Unlike the actual profile contents, 7809 // the foreign use marker is good across installs. 7810 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7811 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7812 for (int i = 0; i < childCount; i++) { 7813 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7814 } 7815 } 7816 7817 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7818 try { 7819 mInstaller.clearAppProfiles(pkg.packageName); 7820 } catch (InstallerException e) { 7821 Slog.w(TAG, String.valueOf(e)); 7822 } 7823 } 7824 7825 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7826 long lastUpdateTime) { 7827 // Set parent install/update time 7828 PackageSetting ps = (PackageSetting) pkg.mExtras; 7829 if (ps != null) { 7830 ps.firstInstallTime = firstInstallTime; 7831 ps.lastUpdateTime = lastUpdateTime; 7832 } 7833 // Set children install/update time 7834 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7835 for (int i = 0; i < childCount; i++) { 7836 PackageParser.Package childPkg = pkg.childPackages.get(i); 7837 ps = (PackageSetting) childPkg.mExtras; 7838 if (ps != null) { 7839 ps.firstInstallTime = firstInstallTime; 7840 ps.lastUpdateTime = lastUpdateTime; 7841 } 7842 } 7843 } 7844 7845 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7846 PackageParser.Package changingLib) { 7847 if (file.path != null) { 7848 usesLibraryFiles.add(file.path); 7849 return; 7850 } 7851 PackageParser.Package p = mPackages.get(file.apk); 7852 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7853 // If we are doing this while in the middle of updating a library apk, 7854 // then we need to make sure to use that new apk for determining the 7855 // dependencies here. (We haven't yet finished committing the new apk 7856 // to the package manager state.) 7857 if (p == null || p.packageName.equals(changingLib.packageName)) { 7858 p = changingLib; 7859 } 7860 } 7861 if (p != null) { 7862 usesLibraryFiles.addAll(p.getAllCodePaths()); 7863 } 7864 } 7865 7866 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 7867 PackageParser.Package changingLib) throws PackageManagerException { 7868 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7869 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7870 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7871 for (int i=0; i<N; i++) { 7872 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7873 if (file == null) { 7874 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7875 "Package " + pkg.packageName + " requires unavailable shared library " 7876 + pkg.usesLibraries.get(i) + "; failing!"); 7877 } 7878 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 7879 } 7880 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7881 for (int i=0; i<N; i++) { 7882 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7883 if (file == null) { 7884 Slog.w(TAG, "Package " + pkg.packageName 7885 + " desires unavailable shared library " 7886 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7887 } else { 7888 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 7889 } 7890 } 7891 N = usesLibraryFiles.size(); 7892 if (N > 0) { 7893 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7894 } else { 7895 pkg.usesLibraryFiles = null; 7896 } 7897 } 7898 } 7899 7900 private static boolean hasString(List<String> list, List<String> which) { 7901 if (list == null) { 7902 return false; 7903 } 7904 for (int i=list.size()-1; i>=0; i--) { 7905 for (int j=which.size()-1; j>=0; j--) { 7906 if (which.get(j).equals(list.get(i))) { 7907 return true; 7908 } 7909 } 7910 } 7911 return false; 7912 } 7913 7914 private void updateAllSharedLibrariesLPw() { 7915 for (PackageParser.Package pkg : mPackages.values()) { 7916 try { 7917 updateSharedLibrariesLPr(pkg, null); 7918 } catch (PackageManagerException e) { 7919 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7920 } 7921 } 7922 } 7923 7924 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7925 PackageParser.Package changingPkg) { 7926 ArrayList<PackageParser.Package> res = null; 7927 for (PackageParser.Package pkg : mPackages.values()) { 7928 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7929 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7930 if (res == null) { 7931 res = new ArrayList<PackageParser.Package>(); 7932 } 7933 res.add(pkg); 7934 try { 7935 updateSharedLibrariesLPr(pkg, changingPkg); 7936 } catch (PackageManagerException e) { 7937 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7938 } 7939 } 7940 } 7941 return res; 7942 } 7943 7944 /** 7945 * Derive the value of the {@code cpuAbiOverride} based on the provided 7946 * value and an optional stored value from the package settings. 7947 */ 7948 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7949 String cpuAbiOverride = null; 7950 7951 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7952 cpuAbiOverride = null; 7953 } else if (abiOverride != null) { 7954 cpuAbiOverride = abiOverride; 7955 } else if (settings != null) { 7956 cpuAbiOverride = settings.cpuAbiOverrideString; 7957 } 7958 7959 return cpuAbiOverride; 7960 } 7961 7962 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7963 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7964 throws PackageManagerException { 7965 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7966 // If the package has children and this is the first dive in the function 7967 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7968 // whether all packages (parent and children) would be successfully scanned 7969 // before the actual scan since scanning mutates internal state and we want 7970 // to atomically install the package and its children. 7971 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7972 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7973 scanFlags |= SCAN_CHECK_ONLY; 7974 } 7975 } else { 7976 scanFlags &= ~SCAN_CHECK_ONLY; 7977 } 7978 7979 final PackageParser.Package scannedPkg; 7980 try { 7981 // Scan the parent 7982 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7983 // Scan the children 7984 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7985 for (int i = 0; i < childCount; i++) { 7986 PackageParser.Package childPkg = pkg.childPackages.get(i); 7987 scanPackageLI(childPkg, policyFlags, 7988 scanFlags, currentTime, user); 7989 } 7990 } finally { 7991 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7992 } 7993 7994 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7995 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7996 } 7997 7998 return scannedPkg; 7999 } 8000 8001 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8002 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8003 boolean success = false; 8004 try { 8005 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8006 currentTime, user); 8007 success = true; 8008 return res; 8009 } finally { 8010 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8011 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8012 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8013 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8014 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8015 } 8016 } 8017 } 8018 8019 /** 8020 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8021 */ 8022 private static boolean apkHasCode(String fileName) { 8023 StrictJarFile jarFile = null; 8024 try { 8025 jarFile = new StrictJarFile(fileName, 8026 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8027 return jarFile.findEntry("classes.dex") != null; 8028 } catch (IOException ignore) { 8029 } finally { 8030 try { 8031 if (jarFile != null) { 8032 jarFile.close(); 8033 } 8034 } catch (IOException ignore) {} 8035 } 8036 return false; 8037 } 8038 8039 /** 8040 * Enforces code policy for the package. This ensures that if an APK has 8041 * declared hasCode="true" in its manifest that the APK actually contains 8042 * code. 8043 * 8044 * @throws PackageManagerException If bytecode could not be found when it should exist 8045 */ 8046 private static void assertCodePolicy(PackageParser.Package pkg) 8047 throws PackageManagerException { 8048 final boolean shouldHaveCode = 8049 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8050 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8051 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8052 "Package " + pkg.baseCodePath + " code is missing"); 8053 } 8054 8055 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8056 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8057 final boolean splitShouldHaveCode = 8058 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8059 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8060 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8061 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8062 } 8063 } 8064 } 8065 } 8066 8067 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8068 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8069 throws PackageManagerException { 8070 if (DEBUG_PACKAGE_SCANNING) { 8071 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8072 Log.d(TAG, "Scanning package " + pkg.packageName); 8073 } 8074 8075 applyPolicy(pkg, policyFlags); 8076 8077 assertPackageIsValid(pkg, policyFlags); 8078 8079 // Initialize package source and resource directories 8080 final File scanFile = new File(pkg.codePath); 8081 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8082 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8083 8084 SharedUserSetting suid = null; 8085 PackageSetting pkgSetting = null; 8086 8087 // Getting the package setting may have a side-effect, so if we 8088 // are only checking if scan would succeed, stash a copy of the 8089 // old setting to restore at the end. 8090 PackageSetting nonMutatedPs = null; 8091 8092 // writer 8093 synchronized (mPackages) { 8094 if (pkg.mSharedUserId != null) { 8095 // SIDE EFFECTS; may potentially allocate a new shared user 8096 suid = mSettings.getSharedUserLPw( 8097 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8098 if (DEBUG_PACKAGE_SCANNING) { 8099 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8100 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8101 + "): packages=" + suid.packages); 8102 } 8103 } 8104 8105 // Check if we are renaming from an original package name. 8106 PackageSetting origPackage = null; 8107 String realName = null; 8108 if (pkg.mOriginalPackages != null) { 8109 // This package may need to be renamed to a previously 8110 // installed name. Let's check on that... 8111 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8112 if (pkg.mOriginalPackages.contains(renamed)) { 8113 // This package had originally been installed as the 8114 // original name, and we have already taken care of 8115 // transitioning to the new one. Just update the new 8116 // one to continue using the old name. 8117 realName = pkg.mRealPackage; 8118 if (!pkg.packageName.equals(renamed)) { 8119 // Callers into this function may have already taken 8120 // care of renaming the package; only do it here if 8121 // it is not already done. 8122 pkg.setPackageName(renamed); 8123 } 8124 } else { 8125 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8126 if ((origPackage = mSettings.getPackageLPr( 8127 pkg.mOriginalPackages.get(i))) != null) { 8128 // We do have the package already installed under its 8129 // original name... should we use it? 8130 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8131 // New package is not compatible with original. 8132 origPackage = null; 8133 continue; 8134 } else if (origPackage.sharedUser != null) { 8135 // Make sure uid is compatible between packages. 8136 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8137 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8138 + " to " + pkg.packageName + ": old uid " 8139 + origPackage.sharedUser.name 8140 + " differs from " + pkg.mSharedUserId); 8141 origPackage = null; 8142 continue; 8143 } 8144 // TODO: Add case when shared user id is added [b/28144775] 8145 } else { 8146 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8147 + pkg.packageName + " to old name " + origPackage.name); 8148 } 8149 break; 8150 } 8151 } 8152 } 8153 } 8154 8155 if (mTransferedPackages.contains(pkg.packageName)) { 8156 Slog.w(TAG, "Package " + pkg.packageName 8157 + " was transferred to another, but its .apk remains"); 8158 } 8159 8160 // See comments in nonMutatedPs declaration 8161 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8162 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8163 if (foundPs != null) { 8164 nonMutatedPs = new PackageSetting(foundPs); 8165 } 8166 } 8167 8168 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8169 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8170 PackageManagerService.reportSettingsProblem(Log.WARN, 8171 "Package " + pkg.packageName + " shared user changed from " 8172 + (pkgSetting.sharedUser != null 8173 ? pkgSetting.sharedUser.name : "<nothing>") 8174 + " to " 8175 + (suid != null ? suid.name : "<nothing>") 8176 + "; replacing with new"); 8177 pkgSetting = null; 8178 } 8179 final PackageSetting oldPkgSetting = 8180 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8181 final PackageSetting disabledPkgSetting = 8182 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8183 if (pkgSetting == null) { 8184 final String parentPackageName = (pkg.parentPackage != null) 8185 ? pkg.parentPackage.packageName : null; 8186 // REMOVE SharedUserSetting from method; update in a separate call 8187 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8188 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 8189 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 8190 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 8191 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 8192 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 8193 UserManagerService.getInstance()); 8194 // SIDE EFFECTS; updates system state; move elsewhere 8195 if (origPackage != null) { 8196 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 8197 } 8198 mSettings.addUserToSettingLPw(pkgSetting); 8199 } else { 8200 // REMOVE SharedUserSetting from method; update in a separate call 8201 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 8202 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 8203 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 8204 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 8205 UserManagerService.getInstance()); 8206 } 8207 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 8208 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 8209 8210 // SIDE EFFECTS; modifies system state; move elsewhere 8211 if (pkgSetting.origPackage != null) { 8212 // If we are first transitioning from an original package, 8213 // fix up the new package's name now. We need to do this after 8214 // looking up the package under its new name, so getPackageLP 8215 // can take care of fiddling things correctly. 8216 pkg.setPackageName(origPackage.name); 8217 8218 // File a report about this. 8219 String msg = "New package " + pkgSetting.realName 8220 + " renamed to replace old package " + pkgSetting.name; 8221 reportSettingsProblem(Log.WARN, msg); 8222 8223 // Make a note of it. 8224 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8225 mTransferedPackages.add(origPackage.name); 8226 } 8227 8228 // No longer need to retain this. 8229 pkgSetting.origPackage = null; 8230 } 8231 8232 // SIDE EFFECTS; modifies system state; move elsewhere 8233 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8234 // Make a note of it. 8235 mTransferedPackages.add(pkg.packageName); 8236 } 8237 8238 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8239 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8240 } 8241 8242 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8243 // Check all shared libraries and map to their actual file path. 8244 // We only do this here for apps not on a system dir, because those 8245 // are the only ones that can fail an install due to this. We 8246 // will take care of the system apps by updating all of their 8247 // library paths after the scan is done. 8248 updateSharedLibrariesLPr(pkg, null); 8249 } 8250 8251 if (mFoundPolicyFile) { 8252 SELinuxMMAC.assignSeinfoValue(pkg); 8253 } 8254 8255 pkg.applicationInfo.uid = pkgSetting.appId; 8256 pkg.mExtras = pkgSetting; 8257 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8258 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8259 // We just determined the app is signed correctly, so bring 8260 // over the latest parsed certs. 8261 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8262 } else { 8263 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8264 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8265 "Package " + pkg.packageName + " upgrade keys do not match the " 8266 + "previously installed version"); 8267 } else { 8268 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8269 String msg = "System package " + pkg.packageName 8270 + " signature changed; retaining data."; 8271 reportSettingsProblem(Log.WARN, msg); 8272 } 8273 } 8274 } else { 8275 try { 8276 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 8277 verifySignaturesLP(pkgSetting, pkg); 8278 // We just determined the app is signed correctly, so bring 8279 // over the latest parsed certs. 8280 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8281 } catch (PackageManagerException e) { 8282 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8283 throw e; 8284 } 8285 // The signature has changed, but this package is in the system 8286 // image... let's recover! 8287 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8288 // However... if this package is part of a shared user, but it 8289 // doesn't match the signature of the shared user, let's fail. 8290 // What this means is that you can't change the signatures 8291 // associated with an overall shared user, which doesn't seem all 8292 // that unreasonable. 8293 if (pkgSetting.sharedUser != null) { 8294 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8295 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8296 throw new PackageManagerException( 8297 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8298 "Signature mismatch for shared user: " 8299 + pkgSetting.sharedUser); 8300 } 8301 } 8302 // File a report about this. 8303 String msg = "System package " + pkg.packageName 8304 + " signature changed; retaining data."; 8305 reportSettingsProblem(Log.WARN, msg); 8306 } 8307 } 8308 8309 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8310 // This package wants to adopt ownership of permissions from 8311 // another package. 8312 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8313 final String origName = pkg.mAdoptPermissions.get(i); 8314 final PackageSetting orig = mSettings.getPackageLPr(origName); 8315 if (orig != null) { 8316 if (verifyPackageUpdateLPr(orig, pkg)) { 8317 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8318 + pkg.packageName); 8319 // SIDE EFFECTS; updates permissions system state; move elsewhere 8320 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8321 } 8322 } 8323 } 8324 } 8325 } 8326 8327 pkg.applicationInfo.processName = fixProcessName( 8328 pkg.applicationInfo.packageName, 8329 pkg.applicationInfo.processName); 8330 8331 if (pkg != mPlatformPackage) { 8332 // Get all of our default paths setup 8333 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8334 } 8335 8336 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8337 8338 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8339 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8340 derivePackageAbi( 8341 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 8342 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8343 8344 // Some system apps still use directory structure for native libraries 8345 // in which case we might end up not detecting abi solely based on apk 8346 // structure. Try to detect abi based on directory structure. 8347 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8348 pkg.applicationInfo.primaryCpuAbi == null) { 8349 setBundledAppAbisAndRoots(pkg, pkgSetting); 8350 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8351 } 8352 } else { 8353 if ((scanFlags & SCAN_MOVE) != 0) { 8354 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8355 // but we already have this packages package info in the PackageSetting. We just 8356 // use that and derive the native library path based on the new codepath. 8357 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8358 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8359 } 8360 8361 // Set native library paths again. For moves, the path will be updated based on the 8362 // ABIs we've determined above. For non-moves, the path will be updated based on the 8363 // ABIs we determined during compilation, but the path will depend on the final 8364 // package path (after the rename away from the stage path). 8365 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8366 } 8367 8368 // This is a special case for the "system" package, where the ABI is 8369 // dictated by the zygote configuration (and init.rc). We should keep track 8370 // of this ABI so that we can deal with "normal" applications that run under 8371 // the same UID correctly. 8372 if (mPlatformPackage == pkg) { 8373 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8374 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8375 } 8376 8377 // If there's a mismatch between the abi-override in the package setting 8378 // and the abiOverride specified for the install. Warn about this because we 8379 // would've already compiled the app without taking the package setting into 8380 // account. 8381 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8382 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8383 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8384 " for package " + pkg.packageName); 8385 } 8386 } 8387 8388 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8389 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8390 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8391 8392 // Copy the derived override back to the parsed package, so that we can 8393 // update the package settings accordingly. 8394 pkg.cpuAbiOverride = cpuAbiOverride; 8395 8396 if (DEBUG_ABI_SELECTION) { 8397 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8398 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8399 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8400 } 8401 8402 // Push the derived path down into PackageSettings so we know what to 8403 // clean up at uninstall time. 8404 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8405 8406 if (DEBUG_ABI_SELECTION) { 8407 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8408 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8409 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8410 } 8411 8412 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 8413 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8414 // We don't do this here during boot because we can do it all 8415 // at once after scanning all existing packages. 8416 // 8417 // We also do this *before* we perform dexopt on this package, so that 8418 // we can avoid redundant dexopts, and also to make sure we've got the 8419 // code and package path correct. 8420 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 8421 } 8422 8423 if (mFactoryTest && pkg.requestedPermissions.contains( 8424 android.Manifest.permission.FACTORY_TEST)) { 8425 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8426 } 8427 8428 if (isSystemApp(pkg)) { 8429 pkgSetting.isOrphaned = true; 8430 } 8431 8432 // Take care of first install / last update times. 8433 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8434 if (currentTime != 0) { 8435 if (pkgSetting.firstInstallTime == 0) { 8436 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8437 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 8438 pkgSetting.lastUpdateTime = currentTime; 8439 } 8440 } else if (pkgSetting.firstInstallTime == 0) { 8441 // We need *something*. Take time time stamp of the file. 8442 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8443 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8444 if (scanFileTime != pkgSetting.timeStamp) { 8445 // A package on the system image has changed; consider this 8446 // to be an update. 8447 pkgSetting.lastUpdateTime = scanFileTime; 8448 } 8449 } 8450 pkgSetting.setTimeStamp(scanFileTime); 8451 8452 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8453 if (nonMutatedPs != null) { 8454 synchronized (mPackages) { 8455 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8456 } 8457 } 8458 } else { 8459 // Modify state for the given package setting 8460 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 8461 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 8462 } 8463 return pkg; 8464 } 8465 8466 /** 8467 * Applies policy to the parsed package based upon the given policy flags. 8468 * Ensures the package is in a good state. 8469 * <p> 8470 * Implementation detail: This method must NOT have any side effect. It would 8471 * ideally be static, but, it requires locks to read system state. 8472 */ 8473 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 8474 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8475 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8476 if (pkg.applicationInfo.isDirectBootAware()) { 8477 // we're direct boot aware; set for all components 8478 for (PackageParser.Service s : pkg.services) { 8479 s.info.encryptionAware = s.info.directBootAware = true; 8480 } 8481 for (PackageParser.Provider p : pkg.providers) { 8482 p.info.encryptionAware = p.info.directBootAware = true; 8483 } 8484 for (PackageParser.Activity a : pkg.activities) { 8485 a.info.encryptionAware = a.info.directBootAware = true; 8486 } 8487 for (PackageParser.Activity r : pkg.receivers) { 8488 r.info.encryptionAware = r.info.directBootAware = true; 8489 } 8490 } 8491 } else { 8492 // Only allow system apps to be flagged as core apps. 8493 pkg.coreApp = false; 8494 // clear flags not applicable to regular apps 8495 pkg.applicationInfo.privateFlags &= 8496 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8497 pkg.applicationInfo.privateFlags &= 8498 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8499 } 8500 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8501 8502 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8503 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8504 } 8505 8506 if (!isSystemApp(pkg)) { 8507 // Only system apps can use these features. 8508 pkg.mOriginalPackages = null; 8509 pkg.mRealPackage = null; 8510 pkg.mAdoptPermissions = null; 8511 } 8512 } 8513 8514 /** 8515 * Asserts the parsed package is valid according to teh given policy. If the 8516 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 8517 * <p> 8518 * Implementation detail: This method must NOT have any side effects. It would 8519 * ideally be static, but, it requires locks to read system state. 8520 * 8521 * @throws PackageManagerException If the package fails any of the validation checks 8522 */ 8523 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags) 8524 throws PackageManagerException { 8525 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8526 assertCodePolicy(pkg); 8527 } 8528 8529 if (pkg.applicationInfo.getCodePath() == null || 8530 pkg.applicationInfo.getResourcePath() == null) { 8531 // Bail out. The resource and code paths haven't been set. 8532 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8533 "Code and resource paths haven't been set correctly"); 8534 } 8535 8536 // Make sure we're not adding any bogus keyset info 8537 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8538 ksms.assertScannedPackageValid(pkg); 8539 8540 synchronized (mPackages) { 8541 // The special "android" package can only be defined once 8542 if (pkg.packageName.equals("android")) { 8543 if (mAndroidApplication != null) { 8544 Slog.w(TAG, "*************************************************"); 8545 Slog.w(TAG, "Core android package being redefined. Skipping."); 8546 Slog.w(TAG, " codePath=" + pkg.codePath); 8547 Slog.w(TAG, "*************************************************"); 8548 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8549 "Core android package being redefined. Skipping."); 8550 } 8551 } 8552 8553 // A package name must be unique; don't allow duplicates 8554 if (mPackages.containsKey(pkg.packageName) 8555 || mSharedLibraries.containsKey(pkg.packageName)) { 8556 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8557 "Application package " + pkg.packageName 8558 + " already installed. Skipping duplicate."); 8559 } 8560 8561 // Only privileged apps and updated privileged apps can add child packages. 8562 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8563 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8564 throw new PackageManagerException("Only privileged apps can add child " 8565 + "packages. Ignoring package " + pkg.packageName); 8566 } 8567 final int childCount = pkg.childPackages.size(); 8568 for (int i = 0; i < childCount; i++) { 8569 PackageParser.Package childPkg = pkg.childPackages.get(i); 8570 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8571 childPkg.packageName)) { 8572 throw new PackageManagerException("Can't override child of " 8573 + "another disabled app. Ignoring package " + pkg.packageName); 8574 } 8575 } 8576 } 8577 8578 // If we're only installing presumed-existing packages, require that the 8579 // scanned APK is both already known and at the path previously established 8580 // for it. Previously unknown packages we pick up normally, but if we have an 8581 // a priori expectation about this package's install presence, enforce it. 8582 // With a singular exception for new system packages. When an OTA contains 8583 // a new system package, we allow the codepath to change from a system location 8584 // to the user-installed location. If we don't allow this change, any newer, 8585 // user-installed version of the application will be ignored. 8586 if ((policyFlags & SCAN_REQUIRE_KNOWN) != 0) { 8587 if (mExpectingBetter.containsKey(pkg.packageName)) { 8588 logCriticalInfo(Log.WARN, 8589 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8590 } else { 8591 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 8592 if (known != null) { 8593 if (DEBUG_PACKAGE_SCANNING) { 8594 Log.d(TAG, "Examining " + pkg.codePath 8595 + " and requiring known paths " + known.codePathString 8596 + " & " + known.resourcePathString); 8597 } 8598 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8599 || !pkg.applicationInfo.getResourcePath().equals( 8600 known.resourcePathString)) { 8601 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8602 "Application package " + pkg.packageName 8603 + " found at " + pkg.applicationInfo.getCodePath() 8604 + " but expected at " + known.codePathString 8605 + "; ignoring."); 8606 } 8607 } 8608 } 8609 } 8610 8611 // Verify that this new package doesn't have any content providers 8612 // that conflict with existing packages. Only do this if the 8613 // package isn't already installed, since we don't want to break 8614 // things that are installed. 8615 if ((policyFlags & SCAN_NEW_INSTALL) != 0) { 8616 final int N = pkg.providers.size(); 8617 int i; 8618 for (i=0; i<N; i++) { 8619 PackageParser.Provider p = pkg.providers.get(i); 8620 if (p.info.authority != null) { 8621 String names[] = p.info.authority.split(";"); 8622 for (int j = 0; j < names.length; j++) { 8623 if (mProvidersByAuthority.containsKey(names[j])) { 8624 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8625 final String otherPackageName = 8626 ((other != null && other.getComponentName() != null) ? 8627 other.getComponentName().getPackageName() : "?"); 8628 throw new PackageManagerException( 8629 INSTALL_FAILED_CONFLICTING_PROVIDER, 8630 "Can't install because provider name " + names[j] 8631 + " (in package " + pkg.applicationInfo.packageName 8632 + ") is already used by " + otherPackageName); 8633 } 8634 } 8635 } 8636 } 8637 } 8638 } 8639 } 8640 8641 /** 8642 * Adds a scanned package to the system. When this method is finished, the package will 8643 * be available for query, resolution, etc... 8644 */ 8645 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 8646 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 8647 final String pkgName = pkg.packageName; 8648 if (mCustomResolverComponentName != null && 8649 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8650 setUpCustomResolverActivity(pkg); 8651 } 8652 8653 if (pkg.packageName.equals("android")) { 8654 synchronized (mPackages) { 8655 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8656 // Set up information for our fall-back user intent resolution activity. 8657 mPlatformPackage = pkg; 8658 pkg.mVersionCode = mSdkVersion; 8659 mAndroidApplication = pkg.applicationInfo; 8660 8661 if (!mResolverReplaced) { 8662 mResolveActivity.applicationInfo = mAndroidApplication; 8663 mResolveActivity.name = ResolverActivity.class.getName(); 8664 mResolveActivity.packageName = mAndroidApplication.packageName; 8665 mResolveActivity.processName = "system:ui"; 8666 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8667 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8668 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8669 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8670 mResolveActivity.exported = true; 8671 mResolveActivity.enabled = true; 8672 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8673 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8674 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8675 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8676 | ActivityInfo.CONFIG_ORIENTATION 8677 | ActivityInfo.CONFIG_KEYBOARD 8678 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8679 mResolveInfo.activityInfo = mResolveActivity; 8680 mResolveInfo.priority = 0; 8681 mResolveInfo.preferredOrder = 0; 8682 mResolveInfo.match = 0; 8683 mResolveComponentName = new ComponentName( 8684 mAndroidApplication.packageName, mResolveActivity.name); 8685 } 8686 } 8687 } 8688 } 8689 8690 ArrayList<PackageParser.Package> clientLibPkgs = null; 8691 // writer 8692 synchronized (mPackages) { 8693 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8694 // Only system apps can add new shared libraries. 8695 if (pkg.libraryNames != null) { 8696 for (int i=0; i<pkg.libraryNames.size(); i++) { 8697 String name = pkg.libraryNames.get(i); 8698 boolean allowed = false; 8699 if (pkg.isUpdatedSystemApp()) { 8700 // New library entries can only be added through the 8701 // system image. This is important to get rid of a lot 8702 // of nasty edge cases: for example if we allowed a non- 8703 // system update of the app to add a library, then uninstalling 8704 // the update would make the library go away, and assumptions 8705 // we made such as through app install filtering would now 8706 // have allowed apps on the device which aren't compatible 8707 // with it. Better to just have the restriction here, be 8708 // conservative, and create many fewer cases that can negatively 8709 // impact the user experience. 8710 final PackageSetting sysPs = mSettings 8711 .getDisabledSystemPkgLPr(pkg.packageName); 8712 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8713 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8714 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8715 allowed = true; 8716 break; 8717 } 8718 } 8719 } 8720 } else { 8721 allowed = true; 8722 } 8723 if (allowed) { 8724 if (!mSharedLibraries.containsKey(name)) { 8725 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8726 } else if (!name.equals(pkg.packageName)) { 8727 Slog.w(TAG, "Package " + pkg.packageName + " library " 8728 + name + " already exists; skipping"); 8729 } 8730 } else { 8731 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8732 + name + " that is not declared on system image; skipping"); 8733 } 8734 } 8735 if ((scanFlags & SCAN_BOOTING) == 0) { 8736 // If we are not booting, we need to update any applications 8737 // that are clients of our shared library. If we are booting, 8738 // this will all be done once the scan is complete. 8739 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8740 } 8741 } 8742 } 8743 } 8744 8745 if ((scanFlags & SCAN_BOOTING) != 0) { 8746 // No apps can run during boot scan, so they don't need to be frozen 8747 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8748 // Caller asked to not kill app, so it's probably not frozen 8749 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8750 // Caller asked us to ignore frozen check for some reason; they 8751 // probably didn't know the package name 8752 } else { 8753 // We're doing major surgery on this package, so it better be frozen 8754 // right now to keep it from launching 8755 checkPackageFrozen(pkgName); 8756 } 8757 8758 // Also need to kill any apps that are dependent on the library. 8759 if (clientLibPkgs != null) { 8760 for (int i=0; i<clientLibPkgs.size(); i++) { 8761 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8762 killApplication(clientPkg.applicationInfo.packageName, 8763 clientPkg.applicationInfo.uid, "update lib"); 8764 } 8765 } 8766 8767 // writer 8768 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8769 8770 boolean createIdmapFailed = false; 8771 synchronized (mPackages) { 8772 // We don't expect installation to fail beyond this point 8773 8774 if (pkgSetting.pkg != null) { 8775 // Note that |user| might be null during the initial boot scan. If a codePath 8776 // for an app has changed during a boot scan, it's due to an app update that's 8777 // part of the system partition and marker changes must be applied to all users. 8778 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 8779 final int[] userIds = resolveUserIds(userId); 8780 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 8781 } 8782 8783 // Add the new setting to mSettings 8784 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8785 // Add the new setting to mPackages 8786 mPackages.put(pkg.applicationInfo.packageName, pkg); 8787 // Make sure we don't accidentally delete its data. 8788 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8789 while (iter.hasNext()) { 8790 PackageCleanItem item = iter.next(); 8791 if (pkgName.equals(item.packageName)) { 8792 iter.remove(); 8793 } 8794 } 8795 8796 // Add the package's KeySets to the global KeySetManagerService 8797 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8798 ksms.addScannedPackageLPw(pkg); 8799 8800 int N = pkg.providers.size(); 8801 StringBuilder r = null; 8802 int i; 8803 for (i=0; i<N; i++) { 8804 PackageParser.Provider p = pkg.providers.get(i); 8805 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8806 p.info.processName); 8807 mProviders.addProvider(p); 8808 p.syncable = p.info.isSyncable; 8809 if (p.info.authority != null) { 8810 String names[] = p.info.authority.split(";"); 8811 p.info.authority = null; 8812 for (int j = 0; j < names.length; j++) { 8813 if (j == 1 && p.syncable) { 8814 // We only want the first authority for a provider to possibly be 8815 // syncable, so if we already added this provider using a different 8816 // authority clear the syncable flag. We copy the provider before 8817 // changing it because the mProviders object contains a reference 8818 // to a provider that we don't want to change. 8819 // Only do this for the second authority since the resulting provider 8820 // object can be the same for all future authorities for this provider. 8821 p = new PackageParser.Provider(p); 8822 p.syncable = false; 8823 } 8824 if (!mProvidersByAuthority.containsKey(names[j])) { 8825 mProvidersByAuthority.put(names[j], p); 8826 if (p.info.authority == null) { 8827 p.info.authority = names[j]; 8828 } else { 8829 p.info.authority = p.info.authority + ";" + names[j]; 8830 } 8831 if (DEBUG_PACKAGE_SCANNING) { 8832 if (chatty) 8833 Log.d(TAG, "Registered content provider: " + names[j] 8834 + ", className = " + p.info.name + ", isSyncable = " 8835 + p.info.isSyncable); 8836 } 8837 } else { 8838 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8839 Slog.w(TAG, "Skipping provider name " + names[j] + 8840 " (in package " + pkg.applicationInfo.packageName + 8841 "): name already used by " 8842 + ((other != null && other.getComponentName() != null) 8843 ? other.getComponentName().getPackageName() : "?")); 8844 } 8845 } 8846 } 8847 if (chatty) { 8848 if (r == null) { 8849 r = new StringBuilder(256); 8850 } else { 8851 r.append(' '); 8852 } 8853 r.append(p.info.name); 8854 } 8855 } 8856 if (r != null) { 8857 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8858 } 8859 8860 N = pkg.services.size(); 8861 r = null; 8862 for (i=0; i<N; i++) { 8863 PackageParser.Service s = pkg.services.get(i); 8864 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8865 s.info.processName); 8866 mServices.addService(s); 8867 if (chatty) { 8868 if (r == null) { 8869 r = new StringBuilder(256); 8870 } else { 8871 r.append(' '); 8872 } 8873 r.append(s.info.name); 8874 } 8875 } 8876 if (r != null) { 8877 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8878 } 8879 8880 N = pkg.receivers.size(); 8881 r = null; 8882 for (i=0; i<N; i++) { 8883 PackageParser.Activity a = pkg.receivers.get(i); 8884 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8885 a.info.processName); 8886 mReceivers.addActivity(a, "receiver"); 8887 if (chatty) { 8888 if (r == null) { 8889 r = new StringBuilder(256); 8890 } else { 8891 r.append(' '); 8892 } 8893 r.append(a.info.name); 8894 } 8895 } 8896 if (r != null) { 8897 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8898 } 8899 8900 N = pkg.activities.size(); 8901 r = null; 8902 for (i=0; i<N; i++) { 8903 PackageParser.Activity a = pkg.activities.get(i); 8904 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8905 a.info.processName); 8906 mActivities.addActivity(a, "activity"); 8907 if (chatty) { 8908 if (r == null) { 8909 r = new StringBuilder(256); 8910 } else { 8911 r.append(' '); 8912 } 8913 r.append(a.info.name); 8914 } 8915 } 8916 if (r != null) { 8917 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8918 } 8919 8920 N = pkg.permissionGroups.size(); 8921 r = null; 8922 for (i=0; i<N; i++) { 8923 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8924 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8925 final String curPackageName = cur == null ? null : cur.info.packageName; 8926 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8927 if (cur == null || isPackageUpdate) { 8928 mPermissionGroups.put(pg.info.name, pg); 8929 if (chatty) { 8930 if (r == null) { 8931 r = new StringBuilder(256); 8932 } else { 8933 r.append(' '); 8934 } 8935 if (isPackageUpdate) { 8936 r.append("UPD:"); 8937 } 8938 r.append(pg.info.name); 8939 } 8940 } else { 8941 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8942 + pg.info.packageName + " ignored: original from " 8943 + cur.info.packageName); 8944 if (chatty) { 8945 if (r == null) { 8946 r = new StringBuilder(256); 8947 } else { 8948 r.append(' '); 8949 } 8950 r.append("DUP:"); 8951 r.append(pg.info.name); 8952 } 8953 } 8954 } 8955 if (r != null) { 8956 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8957 } 8958 8959 N = pkg.permissions.size(); 8960 r = null; 8961 for (i=0; i<N; i++) { 8962 PackageParser.Permission p = pkg.permissions.get(i); 8963 8964 // Assume by default that we did not install this permission into the system. 8965 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8966 8967 // Now that permission groups have a special meaning, we ignore permission 8968 // groups for legacy apps to prevent unexpected behavior. In particular, 8969 // permissions for one app being granted to someone just becase they happen 8970 // to be in a group defined by another app (before this had no implications). 8971 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8972 p.group = mPermissionGroups.get(p.info.group); 8973 // Warn for a permission in an unknown group. 8974 if (p.info.group != null && p.group == null) { 8975 Slog.w(TAG, "Permission " + p.info.name + " from package " 8976 + p.info.packageName + " in an unknown group " + p.info.group); 8977 } 8978 } 8979 8980 ArrayMap<String, BasePermission> permissionMap = 8981 p.tree ? mSettings.mPermissionTrees 8982 : mSettings.mPermissions; 8983 BasePermission bp = permissionMap.get(p.info.name); 8984 8985 // Allow system apps to redefine non-system permissions 8986 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8987 final boolean currentOwnerIsSystem = (bp.perm != null 8988 && isSystemApp(bp.perm.owner)); 8989 if (isSystemApp(p.owner)) { 8990 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8991 // It's a built-in permission and no owner, take ownership now 8992 bp.packageSetting = pkgSetting; 8993 bp.perm = p; 8994 bp.uid = pkg.applicationInfo.uid; 8995 bp.sourcePackage = p.info.packageName; 8996 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8997 } else if (!currentOwnerIsSystem) { 8998 String msg = "New decl " + p.owner + " of permission " 8999 + p.info.name + " is system; overriding " + bp.sourcePackage; 9000 reportSettingsProblem(Log.WARN, msg); 9001 bp = null; 9002 } 9003 } 9004 } 9005 9006 if (bp == null) { 9007 bp = new BasePermission(p.info.name, p.info.packageName, 9008 BasePermission.TYPE_NORMAL); 9009 permissionMap.put(p.info.name, bp); 9010 } 9011 9012 if (bp.perm == null) { 9013 if (bp.sourcePackage == null 9014 || bp.sourcePackage.equals(p.info.packageName)) { 9015 BasePermission tree = findPermissionTreeLP(p.info.name); 9016 if (tree == null 9017 || tree.sourcePackage.equals(p.info.packageName)) { 9018 bp.packageSetting = pkgSetting; 9019 bp.perm = p; 9020 bp.uid = pkg.applicationInfo.uid; 9021 bp.sourcePackage = p.info.packageName; 9022 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9023 if (chatty) { 9024 if (r == null) { 9025 r = new StringBuilder(256); 9026 } else { 9027 r.append(' '); 9028 } 9029 r.append(p.info.name); 9030 } 9031 } else { 9032 Slog.w(TAG, "Permission " + p.info.name + " from package " 9033 + p.info.packageName + " ignored: base tree " 9034 + tree.name + " is from package " 9035 + tree.sourcePackage); 9036 } 9037 } else { 9038 Slog.w(TAG, "Permission " + p.info.name + " from package " 9039 + p.info.packageName + " ignored: original from " 9040 + bp.sourcePackage); 9041 } 9042 } else if (chatty) { 9043 if (r == null) { 9044 r = new StringBuilder(256); 9045 } else { 9046 r.append(' '); 9047 } 9048 r.append("DUP:"); 9049 r.append(p.info.name); 9050 } 9051 if (bp.perm == p) { 9052 bp.protectionLevel = p.info.protectionLevel; 9053 } 9054 } 9055 9056 if (r != null) { 9057 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 9058 } 9059 9060 N = pkg.instrumentation.size(); 9061 r = null; 9062 for (i=0; i<N; i++) { 9063 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9064 a.info.packageName = pkg.applicationInfo.packageName; 9065 a.info.sourceDir = pkg.applicationInfo.sourceDir; 9066 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 9067 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 9068 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 9069 a.info.dataDir = pkg.applicationInfo.dataDir; 9070 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 9071 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 9072 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 9073 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 9074 mInstrumentation.put(a.getComponentName(), a); 9075 if (chatty) { 9076 if (r == null) { 9077 r = new StringBuilder(256); 9078 } else { 9079 r.append(' '); 9080 } 9081 r.append(a.info.name); 9082 } 9083 } 9084 if (r != null) { 9085 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9086 } 9087 9088 if (pkg.protectedBroadcasts != null) { 9089 N = pkg.protectedBroadcasts.size(); 9090 for (i=0; i<N; i++) { 9091 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9092 } 9093 } 9094 9095 // Create idmap files for pairs of (packages, overlay packages). 9096 // Note: "android", ie framework-res.apk, is handled by native layers. 9097 if (pkg.mOverlayTarget != null) { 9098 // This is an overlay package. 9099 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9100 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9101 mOverlays.put(pkg.mOverlayTarget, 9102 new ArrayMap<String, PackageParser.Package>()); 9103 } 9104 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9105 map.put(pkg.packageName, pkg); 9106 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9107 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9108 createIdmapFailed = true; 9109 } 9110 } 9111 } else if (mOverlays.containsKey(pkg.packageName) && 9112 !pkg.packageName.equals("android")) { 9113 // This is a regular package, with one or more known overlay packages. 9114 createIdmapsForPackageLI(pkg); 9115 } 9116 } 9117 9118 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9119 9120 if (createIdmapFailed) { 9121 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9122 "scanPackageLI failed to createIdmap"); 9123 } 9124 } 9125 9126 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9127 PackageParser.Package update, int[] userIds) { 9128 if (existing.applicationInfo == null || update.applicationInfo == null) { 9129 // This isn't due to an app installation. 9130 return; 9131 } 9132 9133 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9134 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9135 9136 // The codePath hasn't changed, so there's nothing for us to do. 9137 if (Objects.equals(oldCodePath, newCodePath)) { 9138 return; 9139 } 9140 9141 File canonicalNewCodePath; 9142 try { 9143 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9144 } catch (IOException e) { 9145 Slog.w(TAG, "Failed to get canonical path.", e); 9146 return; 9147 } 9148 9149 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9150 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9151 // that the last component of the path (i.e, the name) doesn't need canonicalization 9152 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9153 // but may change in the future. Hopefully this function won't exist at that point. 9154 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9155 oldCodePath.getName()); 9156 9157 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9158 // with "@". 9159 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9160 if (!oldMarkerPrefix.endsWith("@")) { 9161 oldMarkerPrefix += "@"; 9162 } 9163 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9164 if (!newMarkerPrefix.endsWith("@")) { 9165 newMarkerPrefix += "@"; 9166 } 9167 9168 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9169 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9170 for (String updatedPath : updatedPaths) { 9171 String updatedPathName = new File(updatedPath).getName(); 9172 markerSuffixes.add(updatedPathName.replace('/', '@')); 9173 } 9174 9175 for (int userId : userIds) { 9176 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9177 9178 for (String markerSuffix : markerSuffixes) { 9179 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9180 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9181 if (oldForeignUseMark.exists()) { 9182 try { 9183 Os.rename(oldForeignUseMark.getAbsolutePath(), 9184 newForeignUseMark.getAbsolutePath()); 9185 } catch (ErrnoException e) { 9186 Slog.w(TAG, "Failed to rename foreign use marker", e); 9187 oldForeignUseMark.delete(); 9188 } 9189 } 9190 } 9191 } 9192 } 9193 9194 /** 9195 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9196 * is derived purely on the basis of the contents of {@code scanFile} and 9197 * {@code cpuAbiOverride}. 9198 * 9199 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9200 */ 9201 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9202 String cpuAbiOverride, boolean extractLibs, 9203 File appLib32InstallDir) 9204 throws PackageManagerException { 9205 // TODO: We can probably be smarter about this stuff. For installed apps, 9206 // we can calculate this information at install time once and for all. For 9207 // system apps, we can probably assume that this information doesn't change 9208 // after the first boot scan. As things stand, we do lots of unnecessary work. 9209 9210 // Give ourselves some initial paths; we'll come back for another 9211 // pass once we've determined ABI below. 9212 setNativeLibraryPaths(pkg, appLib32InstallDir); 9213 9214 // We would never need to extract libs for forward-locked and external packages, 9215 // since the container service will do it for us. We shouldn't attempt to 9216 // extract libs from system app when it was not updated. 9217 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9218 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9219 extractLibs = false; 9220 } 9221 9222 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9223 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9224 9225 NativeLibraryHelper.Handle handle = null; 9226 try { 9227 handle = NativeLibraryHelper.Handle.create(pkg); 9228 // TODO(multiArch): This can be null for apps that didn't go through the 9229 // usual installation process. We can calculate it again, like we 9230 // do during install time. 9231 // 9232 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9233 // unnecessary. 9234 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9235 9236 // Null out the abis so that they can be recalculated. 9237 pkg.applicationInfo.primaryCpuAbi = null; 9238 pkg.applicationInfo.secondaryCpuAbi = null; 9239 if (isMultiArch(pkg.applicationInfo)) { 9240 // Warn if we've set an abiOverride for multi-lib packages.. 9241 // By definition, we need to copy both 32 and 64 bit libraries for 9242 // such packages. 9243 if (pkg.cpuAbiOverride != null 9244 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9245 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9246 } 9247 9248 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9249 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9250 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9251 if (extractLibs) { 9252 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9253 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9254 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9255 useIsaSpecificSubdirs); 9256 } else { 9257 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9258 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9259 } 9260 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9261 } 9262 9263 maybeThrowExceptionForMultiArchCopy( 9264 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9265 9266 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9267 if (extractLibs) { 9268 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9269 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9270 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9271 useIsaSpecificSubdirs); 9272 } else { 9273 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9274 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9275 } 9276 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9277 } 9278 9279 maybeThrowExceptionForMultiArchCopy( 9280 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9281 9282 if (abi64 >= 0) { 9283 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9284 } 9285 9286 if (abi32 >= 0) { 9287 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9288 if (abi64 >= 0) { 9289 if (pkg.use32bitAbi) { 9290 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9291 pkg.applicationInfo.primaryCpuAbi = abi; 9292 } else { 9293 pkg.applicationInfo.secondaryCpuAbi = abi; 9294 } 9295 } else { 9296 pkg.applicationInfo.primaryCpuAbi = abi; 9297 } 9298 } 9299 9300 } else { 9301 String[] abiList = (cpuAbiOverride != null) ? 9302 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9303 9304 // Enable gross and lame hacks for apps that are built with old 9305 // SDK tools. We must scan their APKs for renderscript bitcode and 9306 // not launch them if it's present. Don't bother checking on devices 9307 // that don't have 64 bit support. 9308 boolean needsRenderScriptOverride = false; 9309 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9310 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9311 abiList = Build.SUPPORTED_32_BIT_ABIS; 9312 needsRenderScriptOverride = true; 9313 } 9314 9315 final int copyRet; 9316 if (extractLibs) { 9317 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9318 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9319 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9320 } else { 9321 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9322 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9323 } 9324 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9325 9326 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9327 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9328 "Error unpackaging native libs for app, errorCode=" + copyRet); 9329 } 9330 9331 if (copyRet >= 0) { 9332 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9333 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9334 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9335 } else if (needsRenderScriptOverride) { 9336 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9337 } 9338 } 9339 } catch (IOException ioe) { 9340 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9341 } finally { 9342 IoUtils.closeQuietly(handle); 9343 } 9344 9345 // Now that we've calculated the ABIs and determined if it's an internal app, 9346 // we will go ahead and populate the nativeLibraryPath. 9347 setNativeLibraryPaths(pkg, appLib32InstallDir); 9348 } 9349 9350 /** 9351 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9352 * i.e, so that all packages can be run inside a single process if required. 9353 * 9354 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9355 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9356 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9357 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9358 * updating a package that belongs to a shared user. 9359 * 9360 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9361 * adds unnecessary complexity. 9362 */ 9363 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9364 PackageParser.Package scannedPackage) { 9365 String requiredInstructionSet = null; 9366 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9367 requiredInstructionSet = VMRuntime.getInstructionSet( 9368 scannedPackage.applicationInfo.primaryCpuAbi); 9369 } 9370 9371 PackageSetting requirer = null; 9372 for (PackageSetting ps : packagesForUser) { 9373 // If packagesForUser contains scannedPackage, we skip it. This will happen 9374 // when scannedPackage is an update of an existing package. Without this check, 9375 // we will never be able to change the ABI of any package belonging to a shared 9376 // user, even if it's compatible with other packages. 9377 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9378 if (ps.primaryCpuAbiString == null) { 9379 continue; 9380 } 9381 9382 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9383 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9384 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9385 // this but there's not much we can do. 9386 String errorMessage = "Instruction set mismatch, " 9387 + ((requirer == null) ? "[caller]" : requirer) 9388 + " requires " + requiredInstructionSet + " whereas " + ps 9389 + " requires " + instructionSet; 9390 Slog.w(TAG, errorMessage); 9391 } 9392 9393 if (requiredInstructionSet == null) { 9394 requiredInstructionSet = instructionSet; 9395 requirer = ps; 9396 } 9397 } 9398 } 9399 9400 if (requiredInstructionSet != null) { 9401 String adjustedAbi; 9402 if (requirer != null) { 9403 // requirer != null implies that either scannedPackage was null or that scannedPackage 9404 // did not require an ABI, in which case we have to adjust scannedPackage to match 9405 // the ABI of the set (which is the same as requirer's ABI) 9406 adjustedAbi = requirer.primaryCpuAbiString; 9407 if (scannedPackage != null) { 9408 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9409 } 9410 } else { 9411 // requirer == null implies that we're updating all ABIs in the set to 9412 // match scannedPackage. 9413 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9414 } 9415 9416 for (PackageSetting ps : packagesForUser) { 9417 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9418 if (ps.primaryCpuAbiString != null) { 9419 continue; 9420 } 9421 9422 ps.primaryCpuAbiString = adjustedAbi; 9423 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9424 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9425 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9426 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9427 + " (requirer=" 9428 + (requirer == null ? "null" : requirer.pkg.packageName) 9429 + ", scannedPackage=" 9430 + (scannedPackage != null ? scannedPackage.packageName : "null") 9431 + ")"); 9432 try { 9433 mInstaller.rmdex(ps.codePathString, 9434 getDexCodeInstructionSet(getPreferredInstructionSet())); 9435 } catch (InstallerException ignored) { 9436 } 9437 } 9438 } 9439 } 9440 } 9441 } 9442 9443 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9444 synchronized (mPackages) { 9445 mResolverReplaced = true; 9446 // Set up information for custom user intent resolution activity. 9447 mResolveActivity.applicationInfo = pkg.applicationInfo; 9448 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9449 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9450 mResolveActivity.processName = pkg.applicationInfo.packageName; 9451 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9452 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9453 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9454 mResolveActivity.theme = 0; 9455 mResolveActivity.exported = true; 9456 mResolveActivity.enabled = true; 9457 mResolveInfo.activityInfo = mResolveActivity; 9458 mResolveInfo.priority = 0; 9459 mResolveInfo.preferredOrder = 0; 9460 mResolveInfo.match = 0; 9461 mResolveComponentName = mCustomResolverComponentName; 9462 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9463 mResolveComponentName); 9464 } 9465 } 9466 9467 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9468 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9469 9470 // Set up information for ephemeral installer activity 9471 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9472 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9473 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9474 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9475 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9476 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9477 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9478 mEphemeralInstallerActivity.theme = 0; 9479 mEphemeralInstallerActivity.exported = true; 9480 mEphemeralInstallerActivity.enabled = true; 9481 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9482 mEphemeralInstallerInfo.priority = 0; 9483 mEphemeralInstallerInfo.preferredOrder = 1; 9484 mEphemeralInstallerInfo.isDefault = true; 9485 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9486 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9487 9488 if (DEBUG_EPHEMERAL) { 9489 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9490 } 9491 } 9492 9493 private static String calculateBundledApkRoot(final String codePathString) { 9494 final File codePath = new File(codePathString); 9495 final File codeRoot; 9496 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9497 codeRoot = Environment.getRootDirectory(); 9498 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9499 codeRoot = Environment.getOemDirectory(); 9500 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9501 codeRoot = Environment.getVendorDirectory(); 9502 } else { 9503 // Unrecognized code path; take its top real segment as the apk root: 9504 // e.g. /something/app/blah.apk => /something 9505 try { 9506 File f = codePath.getCanonicalFile(); 9507 File parent = f.getParentFile(); // non-null because codePath is a file 9508 File tmp; 9509 while ((tmp = parent.getParentFile()) != null) { 9510 f = parent; 9511 parent = tmp; 9512 } 9513 codeRoot = f; 9514 Slog.w(TAG, "Unrecognized code path " 9515 + codePath + " - using " + codeRoot); 9516 } catch (IOException e) { 9517 // Can't canonicalize the code path -- shenanigans? 9518 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9519 return Environment.getRootDirectory().getPath(); 9520 } 9521 } 9522 return codeRoot.getPath(); 9523 } 9524 9525 /** 9526 * Derive and set the location of native libraries for the given package, 9527 * which varies depending on where and how the package was installed. 9528 */ 9529 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 9530 final ApplicationInfo info = pkg.applicationInfo; 9531 final String codePath = pkg.codePath; 9532 final File codeFile = new File(codePath); 9533 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9534 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9535 9536 info.nativeLibraryRootDir = null; 9537 info.nativeLibraryRootRequiresIsa = false; 9538 info.nativeLibraryDir = null; 9539 info.secondaryNativeLibraryDir = null; 9540 9541 if (isApkFile(codeFile)) { 9542 // Monolithic install 9543 if (bundledApp) { 9544 // If "/system/lib64/apkname" exists, assume that is the per-package 9545 // native library directory to use; otherwise use "/system/lib/apkname". 9546 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9547 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9548 getPrimaryInstructionSet(info)); 9549 9550 // This is a bundled system app so choose the path based on the ABI. 9551 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9552 // is just the default path. 9553 final String apkName = deriveCodePathName(codePath); 9554 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9555 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9556 apkName).getAbsolutePath(); 9557 9558 if (info.secondaryCpuAbi != null) { 9559 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9560 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9561 secondaryLibDir, apkName).getAbsolutePath(); 9562 } 9563 } else if (asecApp) { 9564 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9565 .getAbsolutePath(); 9566 } else { 9567 final String apkName = deriveCodePathName(codePath); 9568 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 9569 .getAbsolutePath(); 9570 } 9571 9572 info.nativeLibraryRootRequiresIsa = false; 9573 info.nativeLibraryDir = info.nativeLibraryRootDir; 9574 } else { 9575 // Cluster install 9576 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9577 info.nativeLibraryRootRequiresIsa = true; 9578 9579 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9580 getPrimaryInstructionSet(info)).getAbsolutePath(); 9581 9582 if (info.secondaryCpuAbi != null) { 9583 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9584 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9585 } 9586 } 9587 } 9588 9589 /** 9590 * Calculate the abis and roots for a bundled app. These can uniquely 9591 * be determined from the contents of the system partition, i.e whether 9592 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9593 * of this information, and instead assume that the system was built 9594 * sensibly. 9595 */ 9596 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9597 PackageSetting pkgSetting) { 9598 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9599 9600 // If "/system/lib64/apkname" exists, assume that is the per-package 9601 // native library directory to use; otherwise use "/system/lib/apkname". 9602 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9603 setBundledAppAbi(pkg, apkRoot, apkName); 9604 // pkgSetting might be null during rescan following uninstall of updates 9605 // to a bundled app, so accommodate that possibility. The settings in 9606 // that case will be established later from the parsed package. 9607 // 9608 // If the settings aren't null, sync them up with what we've just derived. 9609 // note that apkRoot isn't stored in the package settings. 9610 if (pkgSetting != null) { 9611 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9612 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9613 } 9614 } 9615 9616 /** 9617 * Deduces the ABI of a bundled app and sets the relevant fields on the 9618 * parsed pkg object. 9619 * 9620 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9621 * under which system libraries are installed. 9622 * @param apkName the name of the installed package. 9623 */ 9624 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9625 final File codeFile = new File(pkg.codePath); 9626 9627 final boolean has64BitLibs; 9628 final boolean has32BitLibs; 9629 if (isApkFile(codeFile)) { 9630 // Monolithic install 9631 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9632 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9633 } else { 9634 // Cluster install 9635 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9636 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9637 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9638 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9639 has64BitLibs = (new File(rootDir, isa)).exists(); 9640 } else { 9641 has64BitLibs = false; 9642 } 9643 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9644 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9645 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9646 has32BitLibs = (new File(rootDir, isa)).exists(); 9647 } else { 9648 has32BitLibs = false; 9649 } 9650 } 9651 9652 if (has64BitLibs && !has32BitLibs) { 9653 // The package has 64 bit libs, but not 32 bit libs. Its primary 9654 // ABI should be 64 bit. We can safely assume here that the bundled 9655 // native libraries correspond to the most preferred ABI in the list. 9656 9657 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9658 pkg.applicationInfo.secondaryCpuAbi = null; 9659 } else if (has32BitLibs && !has64BitLibs) { 9660 // The package has 32 bit libs but not 64 bit libs. Its primary 9661 // ABI should be 32 bit. 9662 9663 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9664 pkg.applicationInfo.secondaryCpuAbi = null; 9665 } else if (has32BitLibs && has64BitLibs) { 9666 // The application has both 64 and 32 bit bundled libraries. We check 9667 // here that the app declares multiArch support, and warn if it doesn't. 9668 // 9669 // We will be lenient here and record both ABIs. The primary will be the 9670 // ABI that's higher on the list, i.e, a device that's configured to prefer 9671 // 64 bit apps will see a 64 bit primary ABI, 9672 9673 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9674 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9675 } 9676 9677 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9678 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9679 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9680 } else { 9681 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9682 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9683 } 9684 } else { 9685 pkg.applicationInfo.primaryCpuAbi = null; 9686 pkg.applicationInfo.secondaryCpuAbi = null; 9687 } 9688 } 9689 9690 private void killApplication(String pkgName, int appId, String reason) { 9691 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9692 } 9693 9694 private void killApplication(String pkgName, int appId, int userId, String reason) { 9695 // Request the ActivityManager to kill the process(only for existing packages) 9696 // so that we do not end up in a confused state while the user is still using the older 9697 // version of the application while the new one gets installed. 9698 final long token = Binder.clearCallingIdentity(); 9699 try { 9700 IActivityManager am = ActivityManagerNative.getDefault(); 9701 if (am != null) { 9702 try { 9703 am.killApplication(pkgName, appId, userId, reason); 9704 } catch (RemoteException e) { 9705 } 9706 } 9707 } finally { 9708 Binder.restoreCallingIdentity(token); 9709 } 9710 } 9711 9712 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9713 // Remove the parent package setting 9714 PackageSetting ps = (PackageSetting) pkg.mExtras; 9715 if (ps != null) { 9716 removePackageLI(ps, chatty); 9717 } 9718 // Remove the child package setting 9719 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9720 for (int i = 0; i < childCount; i++) { 9721 PackageParser.Package childPkg = pkg.childPackages.get(i); 9722 ps = (PackageSetting) childPkg.mExtras; 9723 if (ps != null) { 9724 removePackageLI(ps, chatty); 9725 } 9726 } 9727 } 9728 9729 void removePackageLI(PackageSetting ps, boolean chatty) { 9730 if (DEBUG_INSTALL) { 9731 if (chatty) 9732 Log.d(TAG, "Removing package " + ps.name); 9733 } 9734 9735 // writer 9736 synchronized (mPackages) { 9737 mPackages.remove(ps.name); 9738 final PackageParser.Package pkg = ps.pkg; 9739 if (pkg != null) { 9740 cleanPackageDataStructuresLILPw(pkg, chatty); 9741 } 9742 } 9743 } 9744 9745 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9746 if (DEBUG_INSTALL) { 9747 if (chatty) 9748 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9749 } 9750 9751 // writer 9752 synchronized (mPackages) { 9753 // Remove the parent package 9754 mPackages.remove(pkg.applicationInfo.packageName); 9755 cleanPackageDataStructuresLILPw(pkg, chatty); 9756 9757 // Remove the child packages 9758 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9759 for (int i = 0; i < childCount; i++) { 9760 PackageParser.Package childPkg = pkg.childPackages.get(i); 9761 mPackages.remove(childPkg.applicationInfo.packageName); 9762 cleanPackageDataStructuresLILPw(childPkg, chatty); 9763 } 9764 } 9765 } 9766 9767 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9768 int N = pkg.providers.size(); 9769 StringBuilder r = null; 9770 int i; 9771 for (i=0; i<N; i++) { 9772 PackageParser.Provider p = pkg.providers.get(i); 9773 mProviders.removeProvider(p); 9774 if (p.info.authority == null) { 9775 9776 /* There was another ContentProvider with this authority when 9777 * this app was installed so this authority is null, 9778 * Ignore it as we don't have to unregister the provider. 9779 */ 9780 continue; 9781 } 9782 String names[] = p.info.authority.split(";"); 9783 for (int j = 0; j < names.length; j++) { 9784 if (mProvidersByAuthority.get(names[j]) == p) { 9785 mProvidersByAuthority.remove(names[j]); 9786 if (DEBUG_REMOVE) { 9787 if (chatty) 9788 Log.d(TAG, "Unregistered content provider: " + names[j] 9789 + ", className = " + p.info.name + ", isSyncable = " 9790 + p.info.isSyncable); 9791 } 9792 } 9793 } 9794 if (DEBUG_REMOVE && chatty) { 9795 if (r == null) { 9796 r = new StringBuilder(256); 9797 } else { 9798 r.append(' '); 9799 } 9800 r.append(p.info.name); 9801 } 9802 } 9803 if (r != null) { 9804 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9805 } 9806 9807 N = pkg.services.size(); 9808 r = null; 9809 for (i=0; i<N; i++) { 9810 PackageParser.Service s = pkg.services.get(i); 9811 mServices.removeService(s); 9812 if (chatty) { 9813 if (r == null) { 9814 r = new StringBuilder(256); 9815 } else { 9816 r.append(' '); 9817 } 9818 r.append(s.info.name); 9819 } 9820 } 9821 if (r != null) { 9822 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9823 } 9824 9825 N = pkg.receivers.size(); 9826 r = null; 9827 for (i=0; i<N; i++) { 9828 PackageParser.Activity a = pkg.receivers.get(i); 9829 mReceivers.removeActivity(a, "receiver"); 9830 if (DEBUG_REMOVE && chatty) { 9831 if (r == null) { 9832 r = new StringBuilder(256); 9833 } else { 9834 r.append(' '); 9835 } 9836 r.append(a.info.name); 9837 } 9838 } 9839 if (r != null) { 9840 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9841 } 9842 9843 N = pkg.activities.size(); 9844 r = null; 9845 for (i=0; i<N; i++) { 9846 PackageParser.Activity a = pkg.activities.get(i); 9847 mActivities.removeActivity(a, "activity"); 9848 if (DEBUG_REMOVE && chatty) { 9849 if (r == null) { 9850 r = new StringBuilder(256); 9851 } else { 9852 r.append(' '); 9853 } 9854 r.append(a.info.name); 9855 } 9856 } 9857 if (r != null) { 9858 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9859 } 9860 9861 N = pkg.permissions.size(); 9862 r = null; 9863 for (i=0; i<N; i++) { 9864 PackageParser.Permission p = pkg.permissions.get(i); 9865 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9866 if (bp == null) { 9867 bp = mSettings.mPermissionTrees.get(p.info.name); 9868 } 9869 if (bp != null && bp.perm == p) { 9870 bp.perm = null; 9871 if (DEBUG_REMOVE && chatty) { 9872 if (r == null) { 9873 r = new StringBuilder(256); 9874 } else { 9875 r.append(' '); 9876 } 9877 r.append(p.info.name); 9878 } 9879 } 9880 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9881 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9882 if (appOpPkgs != null) { 9883 appOpPkgs.remove(pkg.packageName); 9884 } 9885 } 9886 } 9887 if (r != null) { 9888 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9889 } 9890 9891 N = pkg.requestedPermissions.size(); 9892 r = null; 9893 for (i=0; i<N; i++) { 9894 String perm = pkg.requestedPermissions.get(i); 9895 BasePermission bp = mSettings.mPermissions.get(perm); 9896 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9897 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9898 if (appOpPkgs != null) { 9899 appOpPkgs.remove(pkg.packageName); 9900 if (appOpPkgs.isEmpty()) { 9901 mAppOpPermissionPackages.remove(perm); 9902 } 9903 } 9904 } 9905 } 9906 if (r != null) { 9907 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9908 } 9909 9910 N = pkg.instrumentation.size(); 9911 r = null; 9912 for (i=0; i<N; i++) { 9913 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9914 mInstrumentation.remove(a.getComponentName()); 9915 if (DEBUG_REMOVE && chatty) { 9916 if (r == null) { 9917 r = new StringBuilder(256); 9918 } else { 9919 r.append(' '); 9920 } 9921 r.append(a.info.name); 9922 } 9923 } 9924 if (r != null) { 9925 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9926 } 9927 9928 r = null; 9929 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9930 // Only system apps can hold shared libraries. 9931 if (pkg.libraryNames != null) { 9932 for (i=0; i<pkg.libraryNames.size(); i++) { 9933 String name = pkg.libraryNames.get(i); 9934 SharedLibraryEntry cur = mSharedLibraries.get(name); 9935 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9936 mSharedLibraries.remove(name); 9937 if (DEBUG_REMOVE && chatty) { 9938 if (r == null) { 9939 r = new StringBuilder(256); 9940 } else { 9941 r.append(' '); 9942 } 9943 r.append(name); 9944 } 9945 } 9946 } 9947 } 9948 } 9949 if (r != null) { 9950 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9951 } 9952 } 9953 9954 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9955 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9956 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9957 return true; 9958 } 9959 } 9960 return false; 9961 } 9962 9963 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9964 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9965 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9966 9967 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9968 // Update the parent permissions 9969 updatePermissionsLPw(pkg.packageName, pkg, flags); 9970 // Update the child permissions 9971 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9972 for (int i = 0; i < childCount; i++) { 9973 PackageParser.Package childPkg = pkg.childPackages.get(i); 9974 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9975 } 9976 } 9977 9978 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9979 int flags) { 9980 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9981 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9982 } 9983 9984 private void updatePermissionsLPw(String changingPkg, 9985 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9986 // Make sure there are no dangling permission trees. 9987 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9988 while (it.hasNext()) { 9989 final BasePermission bp = it.next(); 9990 if (bp.packageSetting == null) { 9991 // We may not yet have parsed the package, so just see if 9992 // we still know about its settings. 9993 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9994 } 9995 if (bp.packageSetting == null) { 9996 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9997 + " from package " + bp.sourcePackage); 9998 it.remove(); 9999 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10000 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10001 Slog.i(TAG, "Removing old permission tree: " + bp.name 10002 + " from package " + bp.sourcePackage); 10003 flags |= UPDATE_PERMISSIONS_ALL; 10004 it.remove(); 10005 } 10006 } 10007 } 10008 10009 // Make sure all dynamic permissions have been assigned to a package, 10010 // and make sure there are no dangling permissions. 10011 it = mSettings.mPermissions.values().iterator(); 10012 while (it.hasNext()) { 10013 final BasePermission bp = it.next(); 10014 if (bp.type == BasePermission.TYPE_DYNAMIC) { 10015 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 10016 + bp.name + " pkg=" + bp.sourcePackage 10017 + " info=" + bp.pendingInfo); 10018 if (bp.packageSetting == null && bp.pendingInfo != null) { 10019 final BasePermission tree = findPermissionTreeLP(bp.name); 10020 if (tree != null && tree.perm != null) { 10021 bp.packageSetting = tree.packageSetting; 10022 bp.perm = new PackageParser.Permission(tree.perm.owner, 10023 new PermissionInfo(bp.pendingInfo)); 10024 bp.perm.info.packageName = tree.perm.info.packageName; 10025 bp.perm.info.name = bp.name; 10026 bp.uid = tree.uid; 10027 } 10028 } 10029 } 10030 if (bp.packageSetting == null) { 10031 // We may not yet have parsed the package, so just see if 10032 // we still know about its settings. 10033 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10034 } 10035 if (bp.packageSetting == null) { 10036 Slog.w(TAG, "Removing dangling permission: " + bp.name 10037 + " from package " + bp.sourcePackage); 10038 it.remove(); 10039 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10040 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10041 Slog.i(TAG, "Removing old permission: " + bp.name 10042 + " from package " + bp.sourcePackage); 10043 flags |= UPDATE_PERMISSIONS_ALL; 10044 it.remove(); 10045 } 10046 } 10047 } 10048 10049 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10050 // Now update the permissions for all packages, in particular 10051 // replace the granted permissions of the system packages. 10052 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 10053 for (PackageParser.Package pkg : mPackages.values()) { 10054 if (pkg != pkgInfo) { 10055 // Only replace for packages on requested volume 10056 final String volumeUuid = getVolumeUuidForPackage(pkg); 10057 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 10058 && Objects.equals(replaceVolumeUuid, volumeUuid); 10059 grantPermissionsLPw(pkg, replace, changingPkg); 10060 } 10061 } 10062 } 10063 10064 if (pkgInfo != null) { 10065 // Only replace for packages on requested volume 10066 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 10067 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 10068 && Objects.equals(replaceVolumeUuid, volumeUuid); 10069 grantPermissionsLPw(pkgInfo, replace, changingPkg); 10070 } 10071 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10072 } 10073 10074 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 10075 String packageOfInterest) { 10076 // IMPORTANT: There are two types of permissions: install and runtime. 10077 // Install time permissions are granted when the app is installed to 10078 // all device users and users added in the future. Runtime permissions 10079 // are granted at runtime explicitly to specific users. Normal and signature 10080 // protected permissions are install time permissions. Dangerous permissions 10081 // are install permissions if the app's target SDK is Lollipop MR1 or older, 10082 // otherwise they are runtime permissions. This function does not manage 10083 // runtime permissions except for the case an app targeting Lollipop MR1 10084 // being upgraded to target a newer SDK, in which case dangerous permissions 10085 // are transformed from install time to runtime ones. 10086 10087 final PackageSetting ps = (PackageSetting) pkg.mExtras; 10088 if (ps == null) { 10089 return; 10090 } 10091 10092 PermissionsState permissionsState = ps.getPermissionsState(); 10093 PermissionsState origPermissions = permissionsState; 10094 10095 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10096 10097 boolean runtimePermissionsRevoked = false; 10098 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10099 10100 boolean changedInstallPermission = false; 10101 10102 if (replace) { 10103 ps.installPermissionsFixed = false; 10104 if (!ps.isSharedUser()) { 10105 origPermissions = new PermissionsState(permissionsState); 10106 permissionsState.reset(); 10107 } else { 10108 // We need to know only about runtime permission changes since the 10109 // calling code always writes the install permissions state but 10110 // the runtime ones are written only if changed. The only cases of 10111 // changed runtime permissions here are promotion of an install to 10112 // runtime and revocation of a runtime from a shared user. 10113 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10114 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10115 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10116 runtimePermissionsRevoked = true; 10117 } 10118 } 10119 } 10120 10121 permissionsState.setGlobalGids(mGlobalGids); 10122 10123 final int N = pkg.requestedPermissions.size(); 10124 for (int i=0; i<N; i++) { 10125 final String name = pkg.requestedPermissions.get(i); 10126 final BasePermission bp = mSettings.mPermissions.get(name); 10127 10128 if (DEBUG_INSTALL) { 10129 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10130 } 10131 10132 if (bp == null || bp.packageSetting == null) { 10133 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10134 Slog.w(TAG, "Unknown permission " + name 10135 + " in package " + pkg.packageName); 10136 } 10137 continue; 10138 } 10139 10140 10141 // Limit ephemeral apps to ephemeral allowed permissions. 10142 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 10143 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 10144 + pkg.packageName); 10145 continue; 10146 } 10147 10148 final String perm = bp.name; 10149 boolean allowedSig = false; 10150 int grant = GRANT_DENIED; 10151 10152 // Keep track of app op permissions. 10153 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10154 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10155 if (pkgs == null) { 10156 pkgs = new ArraySet<>(); 10157 mAppOpPermissionPackages.put(bp.name, pkgs); 10158 } 10159 pkgs.add(pkg.packageName); 10160 } 10161 10162 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10163 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10164 >= Build.VERSION_CODES.M; 10165 switch (level) { 10166 case PermissionInfo.PROTECTION_NORMAL: { 10167 // For all apps normal permissions are install time ones. 10168 grant = GRANT_INSTALL; 10169 } break; 10170 10171 case PermissionInfo.PROTECTION_DANGEROUS: { 10172 // If a permission review is required for legacy apps we represent 10173 // their permissions as always granted runtime ones since we need 10174 // to keep the review required permission flag per user while an 10175 // install permission's state is shared across all users. 10176 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 10177 // For legacy apps dangerous permissions are install time ones. 10178 grant = GRANT_INSTALL; 10179 } else if (origPermissions.hasInstallPermission(bp.name)) { 10180 // For legacy apps that became modern, install becomes runtime. 10181 grant = GRANT_UPGRADE; 10182 } else if (mPromoteSystemApps 10183 && isSystemApp(ps) 10184 && mExistingSystemPackages.contains(ps.name)) { 10185 // For legacy system apps, install becomes runtime. 10186 // We cannot check hasInstallPermission() for system apps since those 10187 // permissions were granted implicitly and not persisted pre-M. 10188 grant = GRANT_UPGRADE; 10189 } else { 10190 // For modern apps keep runtime permissions unchanged. 10191 grant = GRANT_RUNTIME; 10192 } 10193 } break; 10194 10195 case PermissionInfo.PROTECTION_SIGNATURE: { 10196 // For all apps signature permissions are install time ones. 10197 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10198 if (allowedSig) { 10199 grant = GRANT_INSTALL; 10200 } 10201 } break; 10202 } 10203 10204 if (DEBUG_INSTALL) { 10205 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10206 } 10207 10208 if (grant != GRANT_DENIED) { 10209 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10210 // If this is an existing, non-system package, then 10211 // we can't add any new permissions to it. 10212 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10213 // Except... if this is a permission that was added 10214 // to the platform (note: need to only do this when 10215 // updating the platform). 10216 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10217 grant = GRANT_DENIED; 10218 } 10219 } 10220 } 10221 10222 switch (grant) { 10223 case GRANT_INSTALL: { 10224 // Revoke this as runtime permission to handle the case of 10225 // a runtime permission being downgraded to an install one. 10226 // Also in permission review mode we keep dangerous permissions 10227 // for legacy apps 10228 for (int userId : UserManagerService.getInstance().getUserIds()) { 10229 if (origPermissions.getRuntimePermissionState( 10230 bp.name, userId) != null) { 10231 // Revoke the runtime permission and clear the flags. 10232 origPermissions.revokeRuntimePermission(bp, userId); 10233 origPermissions.updatePermissionFlags(bp, userId, 10234 PackageManager.MASK_PERMISSION_FLAGS, 0); 10235 // If we revoked a permission permission, we have to write. 10236 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10237 changedRuntimePermissionUserIds, userId); 10238 } 10239 } 10240 // Grant an install permission. 10241 if (permissionsState.grantInstallPermission(bp) != 10242 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10243 changedInstallPermission = true; 10244 } 10245 } break; 10246 10247 case GRANT_RUNTIME: { 10248 // Grant previously granted runtime permissions. 10249 for (int userId : UserManagerService.getInstance().getUserIds()) { 10250 PermissionState permissionState = origPermissions 10251 .getRuntimePermissionState(bp.name, userId); 10252 int flags = permissionState != null 10253 ? permissionState.getFlags() : 0; 10254 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10255 if (permissionsState.grantRuntimePermission(bp, userId) == 10256 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10257 // If we cannot put the permission as it was, we have to write. 10258 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10259 changedRuntimePermissionUserIds, userId); 10260 } 10261 // If the app supports runtime permissions no need for a review. 10262 if (mPermissionReviewRequired 10263 && appSupportsRuntimePermissions 10264 && (flags & PackageManager 10265 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10266 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10267 // Since we changed the flags, we have to write. 10268 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10269 changedRuntimePermissionUserIds, userId); 10270 } 10271 } else if (mPermissionReviewRequired 10272 && !appSupportsRuntimePermissions) { 10273 // For legacy apps that need a permission review, every new 10274 // runtime permission is granted but it is pending a review. 10275 // We also need to review only platform defined runtime 10276 // permissions as these are the only ones the platform knows 10277 // how to disable the API to simulate revocation as legacy 10278 // apps don't expect to run with revoked permissions. 10279 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10280 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10281 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10282 // We changed the flags, hence have to write. 10283 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10284 changedRuntimePermissionUserIds, userId); 10285 } 10286 } 10287 if (permissionsState.grantRuntimePermission(bp, userId) 10288 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10289 // We changed the permission, hence have to write. 10290 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10291 changedRuntimePermissionUserIds, userId); 10292 } 10293 } 10294 // Propagate the permission flags. 10295 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10296 } 10297 } break; 10298 10299 case GRANT_UPGRADE: { 10300 // Grant runtime permissions for a previously held install permission. 10301 PermissionState permissionState = origPermissions 10302 .getInstallPermissionState(bp.name); 10303 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10304 10305 if (origPermissions.revokeInstallPermission(bp) 10306 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10307 // We will be transferring the permission flags, so clear them. 10308 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10309 PackageManager.MASK_PERMISSION_FLAGS, 0); 10310 changedInstallPermission = true; 10311 } 10312 10313 // If the permission is not to be promoted to runtime we ignore it and 10314 // also its other flags as they are not applicable to install permissions. 10315 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10316 for (int userId : currentUserIds) { 10317 if (permissionsState.grantRuntimePermission(bp, userId) != 10318 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10319 // Transfer the permission flags. 10320 permissionsState.updatePermissionFlags(bp, userId, 10321 flags, flags); 10322 // If we granted the permission, we have to write. 10323 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10324 changedRuntimePermissionUserIds, userId); 10325 } 10326 } 10327 } 10328 } break; 10329 10330 default: { 10331 if (packageOfInterest == null 10332 || packageOfInterest.equals(pkg.packageName)) { 10333 Slog.w(TAG, "Not granting permission " + perm 10334 + " to package " + pkg.packageName 10335 + " because it was previously installed without"); 10336 } 10337 } break; 10338 } 10339 } else { 10340 if (permissionsState.revokeInstallPermission(bp) != 10341 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10342 // Also drop the permission flags. 10343 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10344 PackageManager.MASK_PERMISSION_FLAGS, 0); 10345 changedInstallPermission = true; 10346 Slog.i(TAG, "Un-granting permission " + perm 10347 + " from package " + pkg.packageName 10348 + " (protectionLevel=" + bp.protectionLevel 10349 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10350 + ")"); 10351 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10352 // Don't print warning for app op permissions, since it is fine for them 10353 // not to be granted, there is a UI for the user to decide. 10354 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10355 Slog.w(TAG, "Not granting permission " + perm 10356 + " to package " + pkg.packageName 10357 + " (protectionLevel=" + bp.protectionLevel 10358 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10359 + ")"); 10360 } 10361 } 10362 } 10363 } 10364 10365 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10366 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10367 // This is the first that we have heard about this package, so the 10368 // permissions we have now selected are fixed until explicitly 10369 // changed. 10370 ps.installPermissionsFixed = true; 10371 } 10372 10373 // Persist the runtime permissions state for users with changes. If permissions 10374 // were revoked because no app in the shared user declares them we have to 10375 // write synchronously to avoid losing runtime permissions state. 10376 for (int userId : changedRuntimePermissionUserIds) { 10377 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10378 } 10379 } 10380 10381 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10382 boolean allowed = false; 10383 final int NP = PackageParser.NEW_PERMISSIONS.length; 10384 for (int ip=0; ip<NP; ip++) { 10385 final PackageParser.NewPermissionInfo npi 10386 = PackageParser.NEW_PERMISSIONS[ip]; 10387 if (npi.name.equals(perm) 10388 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10389 allowed = true; 10390 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10391 + pkg.packageName); 10392 break; 10393 } 10394 } 10395 return allowed; 10396 } 10397 10398 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10399 BasePermission bp, PermissionsState origPermissions) { 10400 boolean allowed; 10401 allowed = (compareSignatures( 10402 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10403 == PackageManager.SIGNATURE_MATCH) 10404 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10405 == PackageManager.SIGNATURE_MATCH); 10406 if (!allowed && (bp.protectionLevel 10407 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10408 if (isSystemApp(pkg)) { 10409 // For updated system applications, a system permission 10410 // is granted only if it had been defined by the original application. 10411 if (pkg.isUpdatedSystemApp()) { 10412 final PackageSetting sysPs = mSettings 10413 .getDisabledSystemPkgLPr(pkg.packageName); 10414 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10415 // If the original was granted this permission, we take 10416 // that grant decision as read and propagate it to the 10417 // update. 10418 if (sysPs.isPrivileged()) { 10419 allowed = true; 10420 } 10421 } else { 10422 // The system apk may have been updated with an older 10423 // version of the one on the data partition, but which 10424 // granted a new system permission that it didn't have 10425 // before. In this case we do want to allow the app to 10426 // now get the new permission if the ancestral apk is 10427 // privileged to get it. 10428 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10429 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10430 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10431 allowed = true; 10432 break; 10433 } 10434 } 10435 } 10436 // Also if a privileged parent package on the system image or any of 10437 // its children requested a privileged permission, the updated child 10438 // packages can also get the permission. 10439 if (pkg.parentPackage != null) { 10440 final PackageSetting disabledSysParentPs = mSettings 10441 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10442 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10443 && disabledSysParentPs.isPrivileged()) { 10444 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10445 allowed = true; 10446 } else if (disabledSysParentPs.pkg.childPackages != null) { 10447 final int count = disabledSysParentPs.pkg.childPackages.size(); 10448 for (int i = 0; i < count; i++) { 10449 PackageParser.Package disabledSysChildPkg = 10450 disabledSysParentPs.pkg.childPackages.get(i); 10451 if (isPackageRequestingPermission(disabledSysChildPkg, 10452 perm)) { 10453 allowed = true; 10454 break; 10455 } 10456 } 10457 } 10458 } 10459 } 10460 } 10461 } else { 10462 allowed = isPrivilegedApp(pkg); 10463 } 10464 } 10465 } 10466 if (!allowed) { 10467 if (!allowed && (bp.protectionLevel 10468 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10469 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10470 // If this was a previously normal/dangerous permission that got moved 10471 // to a system permission as part of the runtime permission redesign, then 10472 // we still want to blindly grant it to old apps. 10473 allowed = true; 10474 } 10475 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10476 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10477 // If this permission is to be granted to the system installer and 10478 // this app is an installer, then it gets the permission. 10479 allowed = true; 10480 } 10481 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10482 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10483 // If this permission is to be granted to the system verifier and 10484 // this app is a verifier, then it gets the permission. 10485 allowed = true; 10486 } 10487 if (!allowed && (bp.protectionLevel 10488 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10489 && isSystemApp(pkg)) { 10490 // Any pre-installed system app is allowed to get this permission. 10491 allowed = true; 10492 } 10493 if (!allowed && (bp.protectionLevel 10494 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10495 // For development permissions, a development permission 10496 // is granted only if it was already granted. 10497 allowed = origPermissions.hasInstallPermission(perm); 10498 } 10499 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10500 && pkg.packageName.equals(mSetupWizardPackage)) { 10501 // If this permission is to be granted to the system setup wizard and 10502 // this app is a setup wizard, then it gets the permission. 10503 allowed = true; 10504 } 10505 } 10506 return allowed; 10507 } 10508 10509 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10510 final int permCount = pkg.requestedPermissions.size(); 10511 for (int j = 0; j < permCount; j++) { 10512 String requestedPermission = pkg.requestedPermissions.get(j); 10513 if (permission.equals(requestedPermission)) { 10514 return true; 10515 } 10516 } 10517 return false; 10518 } 10519 10520 final class ActivityIntentResolver 10521 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10522 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10523 boolean defaultOnly, int userId) { 10524 if (!sUserManager.exists(userId)) return null; 10525 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10526 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10527 } 10528 10529 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10530 int userId) { 10531 if (!sUserManager.exists(userId)) return null; 10532 mFlags = flags; 10533 return super.queryIntent(intent, resolvedType, 10534 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10535 } 10536 10537 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10538 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10539 if (!sUserManager.exists(userId)) return null; 10540 if (packageActivities == null) { 10541 return null; 10542 } 10543 mFlags = flags; 10544 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10545 final int N = packageActivities.size(); 10546 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10547 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10548 10549 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10550 for (int i = 0; i < N; ++i) { 10551 intentFilters = packageActivities.get(i).intents; 10552 if (intentFilters != null && intentFilters.size() > 0) { 10553 PackageParser.ActivityIntentInfo[] array = 10554 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10555 intentFilters.toArray(array); 10556 listCut.add(array); 10557 } 10558 } 10559 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10560 } 10561 10562 /** 10563 * Finds a privileged activity that matches the specified activity names. 10564 */ 10565 private PackageParser.Activity findMatchingActivity( 10566 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10567 for (PackageParser.Activity sysActivity : activityList) { 10568 if (sysActivity.info.name.equals(activityInfo.name)) { 10569 return sysActivity; 10570 } 10571 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10572 return sysActivity; 10573 } 10574 if (sysActivity.info.targetActivity != null) { 10575 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10576 return sysActivity; 10577 } 10578 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10579 return sysActivity; 10580 } 10581 } 10582 } 10583 return null; 10584 } 10585 10586 public class IterGenerator<E> { 10587 public Iterator<E> generate(ActivityIntentInfo info) { 10588 return null; 10589 } 10590 } 10591 10592 public class ActionIterGenerator extends IterGenerator<String> { 10593 @Override 10594 public Iterator<String> generate(ActivityIntentInfo info) { 10595 return info.actionsIterator(); 10596 } 10597 } 10598 10599 public class CategoriesIterGenerator extends IterGenerator<String> { 10600 @Override 10601 public Iterator<String> generate(ActivityIntentInfo info) { 10602 return info.categoriesIterator(); 10603 } 10604 } 10605 10606 public class SchemesIterGenerator extends IterGenerator<String> { 10607 @Override 10608 public Iterator<String> generate(ActivityIntentInfo info) { 10609 return info.schemesIterator(); 10610 } 10611 } 10612 10613 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10614 @Override 10615 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10616 return info.authoritiesIterator(); 10617 } 10618 } 10619 10620 /** 10621 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10622 * MODIFIED. Do not pass in a list that should not be changed. 10623 */ 10624 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10625 IterGenerator<T> generator, Iterator<T> searchIterator) { 10626 // loop through the set of actions; every one must be found in the intent filter 10627 while (searchIterator.hasNext()) { 10628 // we must have at least one filter in the list to consider a match 10629 if (intentList.size() == 0) { 10630 break; 10631 } 10632 10633 final T searchAction = searchIterator.next(); 10634 10635 // loop through the set of intent filters 10636 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10637 while (intentIter.hasNext()) { 10638 final ActivityIntentInfo intentInfo = intentIter.next(); 10639 boolean selectionFound = false; 10640 10641 // loop through the intent filter's selection criteria; at least one 10642 // of them must match the searched criteria 10643 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10644 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10645 final T intentSelection = intentSelectionIter.next(); 10646 if (intentSelection != null && intentSelection.equals(searchAction)) { 10647 selectionFound = true; 10648 break; 10649 } 10650 } 10651 10652 // the selection criteria wasn't found in this filter's set; this filter 10653 // is not a potential match 10654 if (!selectionFound) { 10655 intentIter.remove(); 10656 } 10657 } 10658 } 10659 } 10660 10661 private boolean isProtectedAction(ActivityIntentInfo filter) { 10662 final Iterator<String> actionsIter = filter.actionsIterator(); 10663 while (actionsIter != null && actionsIter.hasNext()) { 10664 final String filterAction = actionsIter.next(); 10665 if (PROTECTED_ACTIONS.contains(filterAction)) { 10666 return true; 10667 } 10668 } 10669 return false; 10670 } 10671 10672 /** 10673 * Adjusts the priority of the given intent filter according to policy. 10674 * <p> 10675 * <ul> 10676 * <li>The priority for non privileged applications is capped to '0'</li> 10677 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10678 * <li>The priority for unbundled updates to privileged applications is capped to the 10679 * priority defined on the system partition</li> 10680 * </ul> 10681 * <p> 10682 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10683 * allowed to obtain any priority on any action. 10684 */ 10685 private void adjustPriority( 10686 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10687 // nothing to do; priority is fine as-is 10688 if (intent.getPriority() <= 0) { 10689 return; 10690 } 10691 10692 final ActivityInfo activityInfo = intent.activity.info; 10693 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10694 10695 final boolean privilegedApp = 10696 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10697 if (!privilegedApp) { 10698 // non-privileged applications can never define a priority >0 10699 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10700 + " package: " + applicationInfo.packageName 10701 + " activity: " + intent.activity.className 10702 + " origPrio: " + intent.getPriority()); 10703 intent.setPriority(0); 10704 return; 10705 } 10706 10707 if (systemActivities == null) { 10708 // the system package is not disabled; we're parsing the system partition 10709 if (isProtectedAction(intent)) { 10710 if (mDeferProtectedFilters) { 10711 // We can't deal with these just yet. No component should ever obtain a 10712 // >0 priority for a protected actions, with ONE exception -- the setup 10713 // wizard. The setup wizard, however, cannot be known until we're able to 10714 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10715 // until all intent filters have been processed. Chicken, meet egg. 10716 // Let the filter temporarily have a high priority and rectify the 10717 // priorities after all system packages have been scanned. 10718 mProtectedFilters.add(intent); 10719 if (DEBUG_FILTERS) { 10720 Slog.i(TAG, "Protected action; save for later;" 10721 + " package: " + applicationInfo.packageName 10722 + " activity: " + intent.activity.className 10723 + " origPrio: " + intent.getPriority()); 10724 } 10725 return; 10726 } else { 10727 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10728 Slog.i(TAG, "No setup wizard;" 10729 + " All protected intents capped to priority 0"); 10730 } 10731 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10732 if (DEBUG_FILTERS) { 10733 Slog.i(TAG, "Found setup wizard;" 10734 + " allow priority " + intent.getPriority() + ";" 10735 + " package: " + intent.activity.info.packageName 10736 + " activity: " + intent.activity.className 10737 + " priority: " + intent.getPriority()); 10738 } 10739 // setup wizard gets whatever it wants 10740 return; 10741 } 10742 Slog.w(TAG, "Protected action; cap priority to 0;" 10743 + " package: " + intent.activity.info.packageName 10744 + " activity: " + intent.activity.className 10745 + " origPrio: " + intent.getPriority()); 10746 intent.setPriority(0); 10747 return; 10748 } 10749 } 10750 // privileged apps on the system image get whatever priority they request 10751 return; 10752 } 10753 10754 // privileged app unbundled update ... try to find the same activity 10755 final PackageParser.Activity foundActivity = 10756 findMatchingActivity(systemActivities, activityInfo); 10757 if (foundActivity == null) { 10758 // this is a new activity; it cannot obtain >0 priority 10759 if (DEBUG_FILTERS) { 10760 Slog.i(TAG, "New activity; cap priority to 0;" 10761 + " package: " + applicationInfo.packageName 10762 + " activity: " + intent.activity.className 10763 + " origPrio: " + intent.getPriority()); 10764 } 10765 intent.setPriority(0); 10766 return; 10767 } 10768 10769 // found activity, now check for filter equivalence 10770 10771 // a shallow copy is enough; we modify the list, not its contents 10772 final List<ActivityIntentInfo> intentListCopy = 10773 new ArrayList<>(foundActivity.intents); 10774 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10775 10776 // find matching action subsets 10777 final Iterator<String> actionsIterator = intent.actionsIterator(); 10778 if (actionsIterator != null) { 10779 getIntentListSubset( 10780 intentListCopy, new ActionIterGenerator(), actionsIterator); 10781 if (intentListCopy.size() == 0) { 10782 // no more intents to match; we're not equivalent 10783 if (DEBUG_FILTERS) { 10784 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10785 + " package: " + applicationInfo.packageName 10786 + " activity: " + intent.activity.className 10787 + " origPrio: " + intent.getPriority()); 10788 } 10789 intent.setPriority(0); 10790 return; 10791 } 10792 } 10793 10794 // find matching category subsets 10795 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10796 if (categoriesIterator != null) { 10797 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10798 categoriesIterator); 10799 if (intentListCopy.size() == 0) { 10800 // no more intents to match; we're not equivalent 10801 if (DEBUG_FILTERS) { 10802 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10803 + " package: " + applicationInfo.packageName 10804 + " activity: " + intent.activity.className 10805 + " origPrio: " + intent.getPriority()); 10806 } 10807 intent.setPriority(0); 10808 return; 10809 } 10810 } 10811 10812 // find matching schemes subsets 10813 final Iterator<String> schemesIterator = intent.schemesIterator(); 10814 if (schemesIterator != null) { 10815 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10816 schemesIterator); 10817 if (intentListCopy.size() == 0) { 10818 // no more intents to match; we're not equivalent 10819 if (DEBUG_FILTERS) { 10820 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10821 + " package: " + applicationInfo.packageName 10822 + " activity: " + intent.activity.className 10823 + " origPrio: " + intent.getPriority()); 10824 } 10825 intent.setPriority(0); 10826 return; 10827 } 10828 } 10829 10830 // find matching authorities subsets 10831 final Iterator<IntentFilter.AuthorityEntry> 10832 authoritiesIterator = intent.authoritiesIterator(); 10833 if (authoritiesIterator != null) { 10834 getIntentListSubset(intentListCopy, 10835 new AuthoritiesIterGenerator(), 10836 authoritiesIterator); 10837 if (intentListCopy.size() == 0) { 10838 // no more intents to match; we're not equivalent 10839 if (DEBUG_FILTERS) { 10840 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10841 + " package: " + applicationInfo.packageName 10842 + " activity: " + intent.activity.className 10843 + " origPrio: " + intent.getPriority()); 10844 } 10845 intent.setPriority(0); 10846 return; 10847 } 10848 } 10849 10850 // we found matching filter(s); app gets the max priority of all intents 10851 int cappedPriority = 0; 10852 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10853 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10854 } 10855 if (intent.getPriority() > cappedPriority) { 10856 if (DEBUG_FILTERS) { 10857 Slog.i(TAG, "Found matching filter(s);" 10858 + " cap priority to " + cappedPriority + ";" 10859 + " package: " + applicationInfo.packageName 10860 + " activity: " + intent.activity.className 10861 + " origPrio: " + intent.getPriority()); 10862 } 10863 intent.setPriority(cappedPriority); 10864 return; 10865 } 10866 // all this for nothing; the requested priority was <= what was on the system 10867 } 10868 10869 public final void addActivity(PackageParser.Activity a, String type) { 10870 mActivities.put(a.getComponentName(), a); 10871 if (DEBUG_SHOW_INFO) 10872 Log.v( 10873 TAG, " " + type + " " + 10874 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10875 if (DEBUG_SHOW_INFO) 10876 Log.v(TAG, " Class=" + a.info.name); 10877 final int NI = a.intents.size(); 10878 for (int j=0; j<NI; j++) { 10879 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10880 if ("activity".equals(type)) { 10881 final PackageSetting ps = 10882 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10883 final List<PackageParser.Activity> systemActivities = 10884 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10885 adjustPriority(systemActivities, intent); 10886 } 10887 if (DEBUG_SHOW_INFO) { 10888 Log.v(TAG, " IntentFilter:"); 10889 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10890 } 10891 if (!intent.debugCheck()) { 10892 Log.w(TAG, "==> For Activity " + a.info.name); 10893 } 10894 addFilter(intent); 10895 } 10896 } 10897 10898 public final void removeActivity(PackageParser.Activity a, String type) { 10899 mActivities.remove(a.getComponentName()); 10900 if (DEBUG_SHOW_INFO) { 10901 Log.v(TAG, " " + type + " " 10902 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10903 : a.info.name) + ":"); 10904 Log.v(TAG, " Class=" + a.info.name); 10905 } 10906 final int NI = a.intents.size(); 10907 for (int j=0; j<NI; j++) { 10908 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10909 if (DEBUG_SHOW_INFO) { 10910 Log.v(TAG, " IntentFilter:"); 10911 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10912 } 10913 removeFilter(intent); 10914 } 10915 } 10916 10917 @Override 10918 protected boolean allowFilterResult( 10919 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10920 ActivityInfo filterAi = filter.activity.info; 10921 for (int i=dest.size()-1; i>=0; i--) { 10922 ActivityInfo destAi = dest.get(i).activityInfo; 10923 if (destAi.name == filterAi.name 10924 && destAi.packageName == filterAi.packageName) { 10925 return false; 10926 } 10927 } 10928 return true; 10929 } 10930 10931 @Override 10932 protected ActivityIntentInfo[] newArray(int size) { 10933 return new ActivityIntentInfo[size]; 10934 } 10935 10936 @Override 10937 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10938 if (!sUserManager.exists(userId)) return true; 10939 PackageParser.Package p = filter.activity.owner; 10940 if (p != null) { 10941 PackageSetting ps = (PackageSetting)p.mExtras; 10942 if (ps != null) { 10943 // System apps are never considered stopped for purposes of 10944 // filtering, because there may be no way for the user to 10945 // actually re-launch them. 10946 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10947 && ps.getStopped(userId); 10948 } 10949 } 10950 return false; 10951 } 10952 10953 @Override 10954 protected boolean isPackageForFilter(String packageName, 10955 PackageParser.ActivityIntentInfo info) { 10956 return packageName.equals(info.activity.owner.packageName); 10957 } 10958 10959 @Override 10960 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10961 int match, int userId) { 10962 if (!sUserManager.exists(userId)) return null; 10963 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10964 return null; 10965 } 10966 final PackageParser.Activity activity = info.activity; 10967 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10968 if (ps == null) { 10969 return null; 10970 } 10971 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10972 ps.readUserState(userId), userId); 10973 if (ai == null) { 10974 return null; 10975 } 10976 final ResolveInfo res = new ResolveInfo(); 10977 res.activityInfo = ai; 10978 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10979 res.filter = info; 10980 } 10981 if (info != null) { 10982 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10983 } 10984 res.priority = info.getPriority(); 10985 res.preferredOrder = activity.owner.mPreferredOrder; 10986 //System.out.println("Result: " + res.activityInfo.className + 10987 // " = " + res.priority); 10988 res.match = match; 10989 res.isDefault = info.hasDefault; 10990 res.labelRes = info.labelRes; 10991 res.nonLocalizedLabel = info.nonLocalizedLabel; 10992 if (userNeedsBadging(userId)) { 10993 res.noResourceId = true; 10994 } else { 10995 res.icon = info.icon; 10996 } 10997 res.iconResourceId = info.icon; 10998 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10999 return res; 11000 } 11001 11002 @Override 11003 protected void sortResults(List<ResolveInfo> results) { 11004 Collections.sort(results, mResolvePrioritySorter); 11005 } 11006 11007 @Override 11008 protected void dumpFilter(PrintWriter out, String prefix, 11009 PackageParser.ActivityIntentInfo filter) { 11010 out.print(prefix); out.print( 11011 Integer.toHexString(System.identityHashCode(filter.activity))); 11012 out.print(' '); 11013 filter.activity.printComponentShortName(out); 11014 out.print(" filter "); 11015 out.println(Integer.toHexString(System.identityHashCode(filter))); 11016 } 11017 11018 @Override 11019 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 11020 return filter.activity; 11021 } 11022 11023 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11024 PackageParser.Activity activity = (PackageParser.Activity)label; 11025 out.print(prefix); out.print( 11026 Integer.toHexString(System.identityHashCode(activity))); 11027 out.print(' '); 11028 activity.printComponentShortName(out); 11029 if (count > 1) { 11030 out.print(" ("); out.print(count); out.print(" filters)"); 11031 } 11032 out.println(); 11033 } 11034 11035 // Keys are String (activity class name), values are Activity. 11036 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 11037 = new ArrayMap<ComponentName, PackageParser.Activity>(); 11038 private int mFlags; 11039 } 11040 11041 private final class ServiceIntentResolver 11042 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 11043 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11044 boolean defaultOnly, int userId) { 11045 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11046 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11047 } 11048 11049 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11050 int userId) { 11051 if (!sUserManager.exists(userId)) return null; 11052 mFlags = flags; 11053 return super.queryIntent(intent, resolvedType, 11054 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11055 } 11056 11057 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11058 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 11059 if (!sUserManager.exists(userId)) return null; 11060 if (packageServices == null) { 11061 return null; 11062 } 11063 mFlags = flags; 11064 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 11065 final int N = packageServices.size(); 11066 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 11067 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 11068 11069 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 11070 for (int i = 0; i < N; ++i) { 11071 intentFilters = packageServices.get(i).intents; 11072 if (intentFilters != null && intentFilters.size() > 0) { 11073 PackageParser.ServiceIntentInfo[] array = 11074 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 11075 intentFilters.toArray(array); 11076 listCut.add(array); 11077 } 11078 } 11079 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11080 } 11081 11082 public final void addService(PackageParser.Service s) { 11083 mServices.put(s.getComponentName(), s); 11084 if (DEBUG_SHOW_INFO) { 11085 Log.v(TAG, " " 11086 + (s.info.nonLocalizedLabel != null 11087 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11088 Log.v(TAG, " Class=" + s.info.name); 11089 } 11090 final int NI = s.intents.size(); 11091 int j; 11092 for (j=0; j<NI; j++) { 11093 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11094 if (DEBUG_SHOW_INFO) { 11095 Log.v(TAG, " IntentFilter:"); 11096 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11097 } 11098 if (!intent.debugCheck()) { 11099 Log.w(TAG, "==> For Service " + s.info.name); 11100 } 11101 addFilter(intent); 11102 } 11103 } 11104 11105 public final void removeService(PackageParser.Service s) { 11106 mServices.remove(s.getComponentName()); 11107 if (DEBUG_SHOW_INFO) { 11108 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11109 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11110 Log.v(TAG, " Class=" + s.info.name); 11111 } 11112 final int NI = s.intents.size(); 11113 int j; 11114 for (j=0; j<NI; j++) { 11115 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11116 if (DEBUG_SHOW_INFO) { 11117 Log.v(TAG, " IntentFilter:"); 11118 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11119 } 11120 removeFilter(intent); 11121 } 11122 } 11123 11124 @Override 11125 protected boolean allowFilterResult( 11126 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11127 ServiceInfo filterSi = filter.service.info; 11128 for (int i=dest.size()-1; i>=0; i--) { 11129 ServiceInfo destAi = dest.get(i).serviceInfo; 11130 if (destAi.name == filterSi.name 11131 && destAi.packageName == filterSi.packageName) { 11132 return false; 11133 } 11134 } 11135 return true; 11136 } 11137 11138 @Override 11139 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11140 return new PackageParser.ServiceIntentInfo[size]; 11141 } 11142 11143 @Override 11144 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11145 if (!sUserManager.exists(userId)) return true; 11146 PackageParser.Package p = filter.service.owner; 11147 if (p != null) { 11148 PackageSetting ps = (PackageSetting)p.mExtras; 11149 if (ps != null) { 11150 // System apps are never considered stopped for purposes of 11151 // filtering, because there may be no way for the user to 11152 // actually re-launch them. 11153 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11154 && ps.getStopped(userId); 11155 } 11156 } 11157 return false; 11158 } 11159 11160 @Override 11161 protected boolean isPackageForFilter(String packageName, 11162 PackageParser.ServiceIntentInfo info) { 11163 return packageName.equals(info.service.owner.packageName); 11164 } 11165 11166 @Override 11167 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11168 int match, int userId) { 11169 if (!sUserManager.exists(userId)) return null; 11170 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11171 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11172 return null; 11173 } 11174 final PackageParser.Service service = info.service; 11175 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11176 if (ps == null) { 11177 return null; 11178 } 11179 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11180 ps.readUserState(userId), userId); 11181 if (si == null) { 11182 return null; 11183 } 11184 final ResolveInfo res = new ResolveInfo(); 11185 res.serviceInfo = si; 11186 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11187 res.filter = filter; 11188 } 11189 res.priority = info.getPriority(); 11190 res.preferredOrder = service.owner.mPreferredOrder; 11191 res.match = match; 11192 res.isDefault = info.hasDefault; 11193 res.labelRes = info.labelRes; 11194 res.nonLocalizedLabel = info.nonLocalizedLabel; 11195 res.icon = info.icon; 11196 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11197 return res; 11198 } 11199 11200 @Override 11201 protected void sortResults(List<ResolveInfo> results) { 11202 Collections.sort(results, mResolvePrioritySorter); 11203 } 11204 11205 @Override 11206 protected void dumpFilter(PrintWriter out, String prefix, 11207 PackageParser.ServiceIntentInfo filter) { 11208 out.print(prefix); out.print( 11209 Integer.toHexString(System.identityHashCode(filter.service))); 11210 out.print(' '); 11211 filter.service.printComponentShortName(out); 11212 out.print(" filter "); 11213 out.println(Integer.toHexString(System.identityHashCode(filter))); 11214 } 11215 11216 @Override 11217 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11218 return filter.service; 11219 } 11220 11221 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11222 PackageParser.Service service = (PackageParser.Service)label; 11223 out.print(prefix); out.print( 11224 Integer.toHexString(System.identityHashCode(service))); 11225 out.print(' '); 11226 service.printComponentShortName(out); 11227 if (count > 1) { 11228 out.print(" ("); out.print(count); out.print(" filters)"); 11229 } 11230 out.println(); 11231 } 11232 11233// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11234// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11235// final List<ResolveInfo> retList = Lists.newArrayList(); 11236// while (i.hasNext()) { 11237// final ResolveInfo resolveInfo = (ResolveInfo) i; 11238// if (isEnabledLP(resolveInfo.serviceInfo)) { 11239// retList.add(resolveInfo); 11240// } 11241// } 11242// return retList; 11243// } 11244 11245 // Keys are String (activity class name), values are Activity. 11246 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11247 = new ArrayMap<ComponentName, PackageParser.Service>(); 11248 private int mFlags; 11249 }; 11250 11251 private final class ProviderIntentResolver 11252 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11253 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11254 boolean defaultOnly, int userId) { 11255 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11256 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11257 } 11258 11259 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11260 int userId) { 11261 if (!sUserManager.exists(userId)) 11262 return null; 11263 mFlags = flags; 11264 return super.queryIntent(intent, resolvedType, 11265 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11266 } 11267 11268 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11269 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11270 if (!sUserManager.exists(userId)) 11271 return null; 11272 if (packageProviders == null) { 11273 return null; 11274 } 11275 mFlags = flags; 11276 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11277 final int N = packageProviders.size(); 11278 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11279 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11280 11281 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11282 for (int i = 0; i < N; ++i) { 11283 intentFilters = packageProviders.get(i).intents; 11284 if (intentFilters != null && intentFilters.size() > 0) { 11285 PackageParser.ProviderIntentInfo[] array = 11286 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11287 intentFilters.toArray(array); 11288 listCut.add(array); 11289 } 11290 } 11291 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11292 } 11293 11294 public final void addProvider(PackageParser.Provider p) { 11295 if (mProviders.containsKey(p.getComponentName())) { 11296 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11297 return; 11298 } 11299 11300 mProviders.put(p.getComponentName(), p); 11301 if (DEBUG_SHOW_INFO) { 11302 Log.v(TAG, " " 11303 + (p.info.nonLocalizedLabel != null 11304 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11305 Log.v(TAG, " Class=" + p.info.name); 11306 } 11307 final int NI = p.intents.size(); 11308 int j; 11309 for (j = 0; j < NI; j++) { 11310 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11311 if (DEBUG_SHOW_INFO) { 11312 Log.v(TAG, " IntentFilter:"); 11313 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11314 } 11315 if (!intent.debugCheck()) { 11316 Log.w(TAG, "==> For Provider " + p.info.name); 11317 } 11318 addFilter(intent); 11319 } 11320 } 11321 11322 public final void removeProvider(PackageParser.Provider p) { 11323 mProviders.remove(p.getComponentName()); 11324 if (DEBUG_SHOW_INFO) { 11325 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11326 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11327 Log.v(TAG, " Class=" + p.info.name); 11328 } 11329 final int NI = p.intents.size(); 11330 int j; 11331 for (j = 0; j < NI; j++) { 11332 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11333 if (DEBUG_SHOW_INFO) { 11334 Log.v(TAG, " IntentFilter:"); 11335 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11336 } 11337 removeFilter(intent); 11338 } 11339 } 11340 11341 @Override 11342 protected boolean allowFilterResult( 11343 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11344 ProviderInfo filterPi = filter.provider.info; 11345 for (int i = dest.size() - 1; i >= 0; i--) { 11346 ProviderInfo destPi = dest.get(i).providerInfo; 11347 if (destPi.name == filterPi.name 11348 && destPi.packageName == filterPi.packageName) { 11349 return false; 11350 } 11351 } 11352 return true; 11353 } 11354 11355 @Override 11356 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11357 return new PackageParser.ProviderIntentInfo[size]; 11358 } 11359 11360 @Override 11361 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11362 if (!sUserManager.exists(userId)) 11363 return true; 11364 PackageParser.Package p = filter.provider.owner; 11365 if (p != null) { 11366 PackageSetting ps = (PackageSetting) p.mExtras; 11367 if (ps != null) { 11368 // System apps are never considered stopped for purposes of 11369 // filtering, because there may be no way for the user to 11370 // actually re-launch them. 11371 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11372 && ps.getStopped(userId); 11373 } 11374 } 11375 return false; 11376 } 11377 11378 @Override 11379 protected boolean isPackageForFilter(String packageName, 11380 PackageParser.ProviderIntentInfo info) { 11381 return packageName.equals(info.provider.owner.packageName); 11382 } 11383 11384 @Override 11385 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11386 int match, int userId) { 11387 if (!sUserManager.exists(userId)) 11388 return null; 11389 final PackageParser.ProviderIntentInfo info = filter; 11390 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11391 return null; 11392 } 11393 final PackageParser.Provider provider = info.provider; 11394 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11395 if (ps == null) { 11396 return null; 11397 } 11398 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11399 ps.readUserState(userId), userId); 11400 if (pi == null) { 11401 return null; 11402 } 11403 final ResolveInfo res = new ResolveInfo(); 11404 res.providerInfo = pi; 11405 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11406 res.filter = filter; 11407 } 11408 res.priority = info.getPriority(); 11409 res.preferredOrder = provider.owner.mPreferredOrder; 11410 res.match = match; 11411 res.isDefault = info.hasDefault; 11412 res.labelRes = info.labelRes; 11413 res.nonLocalizedLabel = info.nonLocalizedLabel; 11414 res.icon = info.icon; 11415 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11416 return res; 11417 } 11418 11419 @Override 11420 protected void sortResults(List<ResolveInfo> results) { 11421 Collections.sort(results, mResolvePrioritySorter); 11422 } 11423 11424 @Override 11425 protected void dumpFilter(PrintWriter out, String prefix, 11426 PackageParser.ProviderIntentInfo filter) { 11427 out.print(prefix); 11428 out.print( 11429 Integer.toHexString(System.identityHashCode(filter.provider))); 11430 out.print(' '); 11431 filter.provider.printComponentShortName(out); 11432 out.print(" filter "); 11433 out.println(Integer.toHexString(System.identityHashCode(filter))); 11434 } 11435 11436 @Override 11437 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11438 return filter.provider; 11439 } 11440 11441 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11442 PackageParser.Provider provider = (PackageParser.Provider)label; 11443 out.print(prefix); out.print( 11444 Integer.toHexString(System.identityHashCode(provider))); 11445 out.print(' '); 11446 provider.printComponentShortName(out); 11447 if (count > 1) { 11448 out.print(" ("); out.print(count); out.print(" filters)"); 11449 } 11450 out.println(); 11451 } 11452 11453 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11454 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11455 private int mFlags; 11456 } 11457 11458 private static final class EphemeralIntentResolver 11459 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveIntentInfo> { 11460 /** 11461 * The result that has the highest defined order. Ordering applies on a 11462 * per-package basis. Mapping is from package name to Pair of order and 11463 * EphemeralResolveInfo. 11464 * <p> 11465 * NOTE: This is implemented as a field variable for convenience and efficiency. 11466 * By having a field variable, we're able to track filter ordering as soon as 11467 * a non-zero order is defined. Otherwise, multiple loops across the result set 11468 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11469 * this needs to be contained entirely within {@link #filterResults()}. 11470 */ 11471 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11472 11473 @Override 11474 protected EphemeralResolveIntentInfo[] newArray(int size) { 11475 return new EphemeralResolveIntentInfo[size]; 11476 } 11477 11478 @Override 11479 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11480 return true; 11481 } 11482 11483 @Override 11484 protected EphemeralResolveIntentInfo newResult(EphemeralResolveIntentInfo info, int match, 11485 int userId) { 11486 if (!sUserManager.exists(userId)) { 11487 return null; 11488 } 11489 final String packageName = info.getEphemeralResolveInfo().getPackageName(); 11490 final Integer order = info.getOrder(); 11491 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11492 mOrderResult.get(packageName); 11493 // ordering is enabled and this item's order isn't high enough 11494 if (lastOrderResult != null && lastOrderResult.first >= order) { 11495 return null; 11496 } 11497 final EphemeralResolveInfo res = info.getEphemeralResolveInfo(); 11498 if (order > 0) { 11499 // non-zero order, enable ordering 11500 mOrderResult.put(packageName, new Pair<>(order, res)); 11501 } 11502 return info; 11503 } 11504 11505 @Override 11506 protected void filterResults(List<EphemeralResolveIntentInfo> results) { 11507 // only do work if ordering is enabled [most of the time it won't be] 11508 if (mOrderResult.size() == 0) { 11509 return; 11510 } 11511 int resultSize = results.size(); 11512 for (int i = 0; i < resultSize; i++) { 11513 final EphemeralResolveInfo info = results.get(i).getEphemeralResolveInfo(); 11514 final String packageName = info.getPackageName(); 11515 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11516 if (savedInfo == null) { 11517 // package doesn't having ordering 11518 continue; 11519 } 11520 if (savedInfo.second == info) { 11521 // circled back to the highest ordered item; remove from order list 11522 mOrderResult.remove(savedInfo); 11523 if (mOrderResult.size() == 0) { 11524 // no more ordered items 11525 break; 11526 } 11527 continue; 11528 } 11529 // item has a worse order, remove it from the result list 11530 results.remove(i); 11531 resultSize--; 11532 i--; 11533 } 11534 } 11535 } 11536 11537 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11538 new Comparator<ResolveInfo>() { 11539 public int compare(ResolveInfo r1, ResolveInfo r2) { 11540 int v1 = r1.priority; 11541 int v2 = r2.priority; 11542 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11543 if (v1 != v2) { 11544 return (v1 > v2) ? -1 : 1; 11545 } 11546 v1 = r1.preferredOrder; 11547 v2 = r2.preferredOrder; 11548 if (v1 != v2) { 11549 return (v1 > v2) ? -1 : 1; 11550 } 11551 if (r1.isDefault != r2.isDefault) { 11552 return r1.isDefault ? -1 : 1; 11553 } 11554 v1 = r1.match; 11555 v2 = r2.match; 11556 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11557 if (v1 != v2) { 11558 return (v1 > v2) ? -1 : 1; 11559 } 11560 if (r1.system != r2.system) { 11561 return r1.system ? -1 : 1; 11562 } 11563 if (r1.activityInfo != null) { 11564 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11565 } 11566 if (r1.serviceInfo != null) { 11567 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11568 } 11569 if (r1.providerInfo != null) { 11570 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11571 } 11572 return 0; 11573 } 11574 }; 11575 11576 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11577 new Comparator<ProviderInfo>() { 11578 public int compare(ProviderInfo p1, ProviderInfo p2) { 11579 final int v1 = p1.initOrder; 11580 final int v2 = p2.initOrder; 11581 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11582 } 11583 }; 11584 11585 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11586 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11587 final int[] userIds) { 11588 mHandler.post(new Runnable() { 11589 @Override 11590 public void run() { 11591 try { 11592 final IActivityManager am = ActivityManagerNative.getDefault(); 11593 if (am == null) return; 11594 final int[] resolvedUserIds; 11595 if (userIds == null) { 11596 resolvedUserIds = am.getRunningUserIds(); 11597 } else { 11598 resolvedUserIds = userIds; 11599 } 11600 for (int id : resolvedUserIds) { 11601 final Intent intent = new Intent(action, 11602 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11603 if (extras != null) { 11604 intent.putExtras(extras); 11605 } 11606 if (targetPkg != null) { 11607 intent.setPackage(targetPkg); 11608 } 11609 // Modify the UID when posting to other users 11610 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11611 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11612 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11613 intent.putExtra(Intent.EXTRA_UID, uid); 11614 } 11615 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11616 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11617 if (DEBUG_BROADCASTS) { 11618 RuntimeException here = new RuntimeException("here"); 11619 here.fillInStackTrace(); 11620 Slog.d(TAG, "Sending to user " + id + ": " 11621 + intent.toShortString(false, true, false, false) 11622 + " " + intent.getExtras(), here); 11623 } 11624 am.broadcastIntent(null, intent, null, finishedReceiver, 11625 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11626 null, finishedReceiver != null, false, id); 11627 } 11628 } catch (RemoteException ex) { 11629 } 11630 } 11631 }); 11632 } 11633 11634 /** 11635 * Check if the external storage media is available. This is true if there 11636 * is a mounted external storage medium or if the external storage is 11637 * emulated. 11638 */ 11639 private boolean isExternalMediaAvailable() { 11640 return mMediaMounted || Environment.isExternalStorageEmulated(); 11641 } 11642 11643 @Override 11644 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11645 // writer 11646 synchronized (mPackages) { 11647 if (!isExternalMediaAvailable()) { 11648 // If the external storage is no longer mounted at this point, 11649 // the caller may not have been able to delete all of this 11650 // packages files and can not delete any more. Bail. 11651 return null; 11652 } 11653 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11654 if (lastPackage != null) { 11655 pkgs.remove(lastPackage); 11656 } 11657 if (pkgs.size() > 0) { 11658 return pkgs.get(0); 11659 } 11660 } 11661 return null; 11662 } 11663 11664 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11665 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11666 userId, andCode ? 1 : 0, packageName); 11667 if (mSystemReady) { 11668 msg.sendToTarget(); 11669 } else { 11670 if (mPostSystemReadyMessages == null) { 11671 mPostSystemReadyMessages = new ArrayList<>(); 11672 } 11673 mPostSystemReadyMessages.add(msg); 11674 } 11675 } 11676 11677 void startCleaningPackages() { 11678 // reader 11679 if (!isExternalMediaAvailable()) { 11680 return; 11681 } 11682 synchronized (mPackages) { 11683 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11684 return; 11685 } 11686 } 11687 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11688 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11689 IActivityManager am = ActivityManagerNative.getDefault(); 11690 if (am != null) { 11691 try { 11692 am.startService(null, intent, null, mContext.getOpPackageName(), 11693 UserHandle.USER_SYSTEM); 11694 } catch (RemoteException e) { 11695 } 11696 } 11697 } 11698 11699 @Override 11700 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11701 int installFlags, String installerPackageName, int userId) { 11702 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11703 11704 final int callingUid = Binder.getCallingUid(); 11705 enforceCrossUserPermission(callingUid, userId, 11706 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11707 11708 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11709 try { 11710 if (observer != null) { 11711 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11712 } 11713 } catch (RemoteException re) { 11714 } 11715 return; 11716 } 11717 11718 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11719 installFlags |= PackageManager.INSTALL_FROM_ADB; 11720 11721 } else { 11722 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11723 // about installerPackageName. 11724 11725 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11726 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11727 } 11728 11729 UserHandle user; 11730 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11731 user = UserHandle.ALL; 11732 } else { 11733 user = new UserHandle(userId); 11734 } 11735 11736 // Only system components can circumvent runtime permissions when installing. 11737 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11738 && mContext.checkCallingOrSelfPermission(Manifest.permission 11739 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11740 throw new SecurityException("You need the " 11741 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11742 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11743 } 11744 11745 final File originFile = new File(originPath); 11746 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11747 11748 final Message msg = mHandler.obtainMessage(INIT_COPY); 11749 final VerificationInfo verificationInfo = new VerificationInfo( 11750 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11751 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11752 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11753 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11754 null /*certificates*/); 11755 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11756 msg.obj = params; 11757 11758 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11759 System.identityHashCode(msg.obj)); 11760 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11761 System.identityHashCode(msg.obj)); 11762 11763 mHandler.sendMessage(msg); 11764 } 11765 11766 void installStage(String packageName, File stagedDir, String stagedCid, 11767 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11768 String installerPackageName, int installerUid, UserHandle user, 11769 Certificate[][] certificates) { 11770 if (DEBUG_EPHEMERAL) { 11771 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11772 Slog.d(TAG, "Ephemeral install of " + packageName); 11773 } 11774 } 11775 final VerificationInfo verificationInfo = new VerificationInfo( 11776 sessionParams.originatingUri, sessionParams.referrerUri, 11777 sessionParams.originatingUid, installerUid); 11778 11779 final OriginInfo origin; 11780 if (stagedDir != null) { 11781 origin = OriginInfo.fromStagedFile(stagedDir); 11782 } else { 11783 origin = OriginInfo.fromStagedContainer(stagedCid); 11784 } 11785 11786 final Message msg = mHandler.obtainMessage(INIT_COPY); 11787 final InstallParams params = new InstallParams(origin, null, observer, 11788 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11789 verificationInfo, user, sessionParams.abiOverride, 11790 sessionParams.grantedRuntimePermissions, certificates); 11791 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11792 msg.obj = params; 11793 11794 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11795 System.identityHashCode(msg.obj)); 11796 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11797 System.identityHashCode(msg.obj)); 11798 11799 mHandler.sendMessage(msg); 11800 } 11801 11802 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11803 int userId) { 11804 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11805 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 11806 } 11807 11808 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 11809 int appId, int... userIds) { 11810 if (ArrayUtils.isEmpty(userIds)) { 11811 return; 11812 } 11813 Bundle extras = new Bundle(1); 11814 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 11815 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 11816 11817 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11818 packageName, extras, 0, null, null, userIds); 11819 if (isSystem) { 11820 mHandler.post(() -> { 11821 for (int userId : userIds) { 11822 sendBootCompletedBroadcastToSystemApp(packageName, userId); 11823 } 11824 } 11825 ); 11826 } 11827 } 11828 11829 /** 11830 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 11831 * automatically without needing an explicit launch. 11832 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 11833 */ 11834 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 11835 // If user is not running, the app didn't miss any broadcast 11836 if (!mUserManagerInternal.isUserRunning(userId)) { 11837 return; 11838 } 11839 final IActivityManager am = ActivityManagerNative.getDefault(); 11840 try { 11841 // Deliver LOCKED_BOOT_COMPLETED first 11842 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 11843 .setPackage(packageName); 11844 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 11845 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 11846 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11847 11848 // Deliver BOOT_COMPLETED only if user is unlocked 11849 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 11850 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 11851 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 11852 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11853 } 11854 } catch (RemoteException e) { 11855 throw e.rethrowFromSystemServer(); 11856 } 11857 } 11858 11859 @Override 11860 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11861 int userId) { 11862 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11863 PackageSetting pkgSetting; 11864 final int uid = Binder.getCallingUid(); 11865 enforceCrossUserPermission(uid, userId, 11866 true /* requireFullPermission */, true /* checkShell */, 11867 "setApplicationHiddenSetting for user " + userId); 11868 11869 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11870 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11871 return false; 11872 } 11873 11874 long callingId = Binder.clearCallingIdentity(); 11875 try { 11876 boolean sendAdded = false; 11877 boolean sendRemoved = false; 11878 // writer 11879 synchronized (mPackages) { 11880 pkgSetting = mSettings.mPackages.get(packageName); 11881 if (pkgSetting == null) { 11882 return false; 11883 } 11884 // Do not allow "android" is being disabled 11885 if ("android".equals(packageName)) { 11886 Slog.w(TAG, "Cannot hide package: android"); 11887 return false; 11888 } 11889 // Only allow protected packages to hide themselves. 11890 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11891 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11892 Slog.w(TAG, "Not hiding protected package: " + packageName); 11893 return false; 11894 } 11895 11896 if (pkgSetting.getHidden(userId) != hidden) { 11897 pkgSetting.setHidden(hidden, userId); 11898 mSettings.writePackageRestrictionsLPr(userId); 11899 if (hidden) { 11900 sendRemoved = true; 11901 } else { 11902 sendAdded = true; 11903 } 11904 } 11905 } 11906 if (sendAdded) { 11907 sendPackageAddedForUser(packageName, pkgSetting, userId); 11908 return true; 11909 } 11910 if (sendRemoved) { 11911 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11912 "hiding pkg"); 11913 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11914 return true; 11915 } 11916 } finally { 11917 Binder.restoreCallingIdentity(callingId); 11918 } 11919 return false; 11920 } 11921 11922 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11923 int userId) { 11924 final PackageRemovedInfo info = new PackageRemovedInfo(); 11925 info.removedPackage = packageName; 11926 info.removedUsers = new int[] {userId}; 11927 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11928 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11929 } 11930 11931 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11932 if (pkgList.length > 0) { 11933 Bundle extras = new Bundle(1); 11934 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11935 11936 sendPackageBroadcast( 11937 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11938 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11939 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11940 new int[] {userId}); 11941 } 11942 } 11943 11944 /** 11945 * Returns true if application is not found or there was an error. Otherwise it returns 11946 * the hidden state of the package for the given user. 11947 */ 11948 @Override 11949 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11950 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11951 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11952 true /* requireFullPermission */, false /* checkShell */, 11953 "getApplicationHidden for user " + userId); 11954 PackageSetting pkgSetting; 11955 long callingId = Binder.clearCallingIdentity(); 11956 try { 11957 // writer 11958 synchronized (mPackages) { 11959 pkgSetting = mSettings.mPackages.get(packageName); 11960 if (pkgSetting == null) { 11961 return true; 11962 } 11963 return pkgSetting.getHidden(userId); 11964 } 11965 } finally { 11966 Binder.restoreCallingIdentity(callingId); 11967 } 11968 } 11969 11970 /** 11971 * @hide 11972 */ 11973 @Override 11974 public int installExistingPackageAsUser(String packageName, int userId) { 11975 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11976 null); 11977 PackageSetting pkgSetting; 11978 final int uid = Binder.getCallingUid(); 11979 enforceCrossUserPermission(uid, userId, 11980 true /* requireFullPermission */, true /* checkShell */, 11981 "installExistingPackage for user " + userId); 11982 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11983 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11984 } 11985 11986 long callingId = Binder.clearCallingIdentity(); 11987 try { 11988 boolean installed = false; 11989 11990 // writer 11991 synchronized (mPackages) { 11992 pkgSetting = mSettings.mPackages.get(packageName); 11993 if (pkgSetting == null) { 11994 return PackageManager.INSTALL_FAILED_INVALID_URI; 11995 } 11996 if (!pkgSetting.getInstalled(userId)) { 11997 pkgSetting.setInstalled(true, userId); 11998 pkgSetting.setHidden(false, userId); 11999 mSettings.writePackageRestrictionsLPr(userId); 12000 installed = true; 12001 } 12002 } 12003 12004 if (installed) { 12005 if (pkgSetting.pkg != null) { 12006 synchronized (mInstallLock) { 12007 // We don't need to freeze for a brand new install 12008 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 12009 } 12010 } 12011 sendPackageAddedForUser(packageName, pkgSetting, userId); 12012 } 12013 } finally { 12014 Binder.restoreCallingIdentity(callingId); 12015 } 12016 12017 return PackageManager.INSTALL_SUCCEEDED; 12018 } 12019 12020 boolean isUserRestricted(int userId, String restrictionKey) { 12021 Bundle restrictions = sUserManager.getUserRestrictions(userId); 12022 if (restrictions.getBoolean(restrictionKey, false)) { 12023 Log.w(TAG, "User is restricted: " + restrictionKey); 12024 return true; 12025 } 12026 return false; 12027 } 12028 12029 @Override 12030 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 12031 int userId) { 12032 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12033 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12034 true /* requireFullPermission */, true /* checkShell */, 12035 "setPackagesSuspended for user " + userId); 12036 12037 if (ArrayUtils.isEmpty(packageNames)) { 12038 return packageNames; 12039 } 12040 12041 // List of package names for whom the suspended state has changed. 12042 List<String> changedPackages = new ArrayList<>(packageNames.length); 12043 // List of package names for whom the suspended state is not set as requested in this 12044 // method. 12045 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 12046 long callingId = Binder.clearCallingIdentity(); 12047 try { 12048 for (int i = 0; i < packageNames.length; i++) { 12049 String packageName = packageNames[i]; 12050 boolean changed = false; 12051 final int appId; 12052 synchronized (mPackages) { 12053 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12054 if (pkgSetting == null) { 12055 Slog.w(TAG, "Could not find package setting for package \"" + packageName 12056 + "\". Skipping suspending/un-suspending."); 12057 unactionedPackages.add(packageName); 12058 continue; 12059 } 12060 appId = pkgSetting.appId; 12061 if (pkgSetting.getSuspended(userId) != suspended) { 12062 if (!canSuspendPackageForUserLocked(packageName, userId)) { 12063 unactionedPackages.add(packageName); 12064 continue; 12065 } 12066 pkgSetting.setSuspended(suspended, userId); 12067 mSettings.writePackageRestrictionsLPr(userId); 12068 changed = true; 12069 changedPackages.add(packageName); 12070 } 12071 } 12072 12073 if (changed && suspended) { 12074 killApplication(packageName, UserHandle.getUid(userId, appId), 12075 "suspending package"); 12076 } 12077 } 12078 } finally { 12079 Binder.restoreCallingIdentity(callingId); 12080 } 12081 12082 if (!changedPackages.isEmpty()) { 12083 sendPackagesSuspendedForUser(changedPackages.toArray( 12084 new String[changedPackages.size()]), userId, suspended); 12085 } 12086 12087 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 12088 } 12089 12090 @Override 12091 public boolean isPackageSuspendedForUser(String packageName, int userId) { 12092 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12093 true /* requireFullPermission */, false /* checkShell */, 12094 "isPackageSuspendedForUser for user " + userId); 12095 synchronized (mPackages) { 12096 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12097 if (pkgSetting == null) { 12098 throw new IllegalArgumentException("Unknown target package: " + packageName); 12099 } 12100 return pkgSetting.getSuspended(userId); 12101 } 12102 } 12103 12104 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 12105 if (isPackageDeviceAdmin(packageName, userId)) { 12106 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12107 + "\": has an active device admin"); 12108 return false; 12109 } 12110 12111 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 12112 if (packageName.equals(activeLauncherPackageName)) { 12113 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12114 + "\": contains the active launcher"); 12115 return false; 12116 } 12117 12118 if (packageName.equals(mRequiredInstallerPackage)) { 12119 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12120 + "\": required for package installation"); 12121 return false; 12122 } 12123 12124 if (packageName.equals(mRequiredUninstallerPackage)) { 12125 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12126 + "\": required for package uninstallation"); 12127 return false; 12128 } 12129 12130 if (packageName.equals(mRequiredVerifierPackage)) { 12131 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12132 + "\": required for package verification"); 12133 return false; 12134 } 12135 12136 if (packageName.equals(getDefaultDialerPackageName(userId))) { 12137 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12138 + "\": is the default dialer"); 12139 return false; 12140 } 12141 12142 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12143 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12144 + "\": protected package"); 12145 return false; 12146 } 12147 12148 return true; 12149 } 12150 12151 private String getActiveLauncherPackageName(int userId) { 12152 Intent intent = new Intent(Intent.ACTION_MAIN); 12153 intent.addCategory(Intent.CATEGORY_HOME); 12154 ResolveInfo resolveInfo = resolveIntent( 12155 intent, 12156 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12157 PackageManager.MATCH_DEFAULT_ONLY, 12158 userId); 12159 12160 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12161 } 12162 12163 private String getDefaultDialerPackageName(int userId) { 12164 synchronized (mPackages) { 12165 return mSettings.getDefaultDialerPackageNameLPw(userId); 12166 } 12167 } 12168 12169 @Override 12170 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12171 mContext.enforceCallingOrSelfPermission( 12172 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12173 "Only package verification agents can verify applications"); 12174 12175 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12176 final PackageVerificationResponse response = new PackageVerificationResponse( 12177 verificationCode, Binder.getCallingUid()); 12178 msg.arg1 = id; 12179 msg.obj = response; 12180 mHandler.sendMessage(msg); 12181 } 12182 12183 @Override 12184 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12185 long millisecondsToDelay) { 12186 mContext.enforceCallingOrSelfPermission( 12187 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12188 "Only package verification agents can extend verification timeouts"); 12189 12190 final PackageVerificationState state = mPendingVerification.get(id); 12191 final PackageVerificationResponse response = new PackageVerificationResponse( 12192 verificationCodeAtTimeout, Binder.getCallingUid()); 12193 12194 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12195 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12196 } 12197 if (millisecondsToDelay < 0) { 12198 millisecondsToDelay = 0; 12199 } 12200 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12201 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12202 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12203 } 12204 12205 if ((state != null) && !state.timeoutExtended()) { 12206 state.extendTimeout(); 12207 12208 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12209 msg.arg1 = id; 12210 msg.obj = response; 12211 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12212 } 12213 } 12214 12215 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12216 int verificationCode, UserHandle user) { 12217 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12218 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12219 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12220 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12221 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12222 12223 mContext.sendBroadcastAsUser(intent, user, 12224 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12225 } 12226 12227 private ComponentName matchComponentForVerifier(String packageName, 12228 List<ResolveInfo> receivers) { 12229 ActivityInfo targetReceiver = null; 12230 12231 final int NR = receivers.size(); 12232 for (int i = 0; i < NR; i++) { 12233 final ResolveInfo info = receivers.get(i); 12234 if (info.activityInfo == null) { 12235 continue; 12236 } 12237 12238 if (packageName.equals(info.activityInfo.packageName)) { 12239 targetReceiver = info.activityInfo; 12240 break; 12241 } 12242 } 12243 12244 if (targetReceiver == null) { 12245 return null; 12246 } 12247 12248 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12249 } 12250 12251 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12252 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12253 if (pkgInfo.verifiers.length == 0) { 12254 return null; 12255 } 12256 12257 final int N = pkgInfo.verifiers.length; 12258 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12259 for (int i = 0; i < N; i++) { 12260 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12261 12262 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12263 receivers); 12264 if (comp == null) { 12265 continue; 12266 } 12267 12268 final int verifierUid = getUidForVerifier(verifierInfo); 12269 if (verifierUid == -1) { 12270 continue; 12271 } 12272 12273 if (DEBUG_VERIFY) { 12274 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12275 + " with the correct signature"); 12276 } 12277 sufficientVerifiers.add(comp); 12278 verificationState.addSufficientVerifier(verifierUid); 12279 } 12280 12281 return sufficientVerifiers; 12282 } 12283 12284 private int getUidForVerifier(VerifierInfo verifierInfo) { 12285 synchronized (mPackages) { 12286 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12287 if (pkg == null) { 12288 return -1; 12289 } else if (pkg.mSignatures.length != 1) { 12290 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12291 + " has more than one signature; ignoring"); 12292 return -1; 12293 } 12294 12295 /* 12296 * If the public key of the package's signature does not match 12297 * our expected public key, then this is a different package and 12298 * we should skip. 12299 */ 12300 12301 final byte[] expectedPublicKey; 12302 try { 12303 final Signature verifierSig = pkg.mSignatures[0]; 12304 final PublicKey publicKey = verifierSig.getPublicKey(); 12305 expectedPublicKey = publicKey.getEncoded(); 12306 } catch (CertificateException e) { 12307 return -1; 12308 } 12309 12310 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12311 12312 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12313 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12314 + " does not have the expected public key; ignoring"); 12315 return -1; 12316 } 12317 12318 return pkg.applicationInfo.uid; 12319 } 12320 } 12321 12322 @Override 12323 public void finishPackageInstall(int token, boolean didLaunch) { 12324 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12325 12326 if (DEBUG_INSTALL) { 12327 Slog.v(TAG, "BM finishing package install for " + token); 12328 } 12329 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12330 12331 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12332 mHandler.sendMessage(msg); 12333 } 12334 12335 /** 12336 * Get the verification agent timeout. 12337 * 12338 * @return verification timeout in milliseconds 12339 */ 12340 private long getVerificationTimeout() { 12341 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12342 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12343 DEFAULT_VERIFICATION_TIMEOUT); 12344 } 12345 12346 /** 12347 * Get the default verification agent response code. 12348 * 12349 * @return default verification response code 12350 */ 12351 private int getDefaultVerificationResponse() { 12352 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12353 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12354 DEFAULT_VERIFICATION_RESPONSE); 12355 } 12356 12357 /** 12358 * Check whether or not package verification has been enabled. 12359 * 12360 * @return true if verification should be performed 12361 */ 12362 private boolean isVerificationEnabled(int userId, int installFlags) { 12363 if (!DEFAULT_VERIFY_ENABLE) { 12364 return false; 12365 } 12366 // Ephemeral apps don't get the full verification treatment 12367 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12368 if (DEBUG_EPHEMERAL) { 12369 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12370 } 12371 return false; 12372 } 12373 12374 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12375 12376 // Check if installing from ADB 12377 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12378 // Do not run verification in a test harness environment 12379 if (ActivityManager.isRunningInTestHarness()) { 12380 return false; 12381 } 12382 if (ensureVerifyAppsEnabled) { 12383 return true; 12384 } 12385 // Check if the developer does not want package verification for ADB installs 12386 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12387 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12388 return false; 12389 } 12390 } 12391 12392 if (ensureVerifyAppsEnabled) { 12393 return true; 12394 } 12395 12396 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12397 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12398 } 12399 12400 @Override 12401 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12402 throws RemoteException { 12403 mContext.enforceCallingOrSelfPermission( 12404 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12405 "Only intentfilter verification agents can verify applications"); 12406 12407 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12408 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12409 Binder.getCallingUid(), verificationCode, failedDomains); 12410 msg.arg1 = id; 12411 msg.obj = response; 12412 mHandler.sendMessage(msg); 12413 } 12414 12415 @Override 12416 public int getIntentVerificationStatus(String packageName, int userId) { 12417 synchronized (mPackages) { 12418 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12419 } 12420 } 12421 12422 @Override 12423 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12424 mContext.enforceCallingOrSelfPermission( 12425 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12426 12427 boolean result = false; 12428 synchronized (mPackages) { 12429 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12430 } 12431 if (result) { 12432 scheduleWritePackageRestrictionsLocked(userId); 12433 } 12434 return result; 12435 } 12436 12437 @Override 12438 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12439 String packageName) { 12440 synchronized (mPackages) { 12441 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12442 } 12443 } 12444 12445 @Override 12446 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12447 if (TextUtils.isEmpty(packageName)) { 12448 return ParceledListSlice.emptyList(); 12449 } 12450 synchronized (mPackages) { 12451 PackageParser.Package pkg = mPackages.get(packageName); 12452 if (pkg == null || pkg.activities == null) { 12453 return ParceledListSlice.emptyList(); 12454 } 12455 final int count = pkg.activities.size(); 12456 ArrayList<IntentFilter> result = new ArrayList<>(); 12457 for (int n=0; n<count; n++) { 12458 PackageParser.Activity activity = pkg.activities.get(n); 12459 if (activity.intents != null && activity.intents.size() > 0) { 12460 result.addAll(activity.intents); 12461 } 12462 } 12463 return new ParceledListSlice<>(result); 12464 } 12465 } 12466 12467 @Override 12468 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12469 mContext.enforceCallingOrSelfPermission( 12470 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12471 12472 synchronized (mPackages) { 12473 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12474 if (packageName != null) { 12475 result |= updateIntentVerificationStatus(packageName, 12476 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12477 userId); 12478 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12479 packageName, userId); 12480 } 12481 return result; 12482 } 12483 } 12484 12485 @Override 12486 public String getDefaultBrowserPackageName(int userId) { 12487 synchronized (mPackages) { 12488 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12489 } 12490 } 12491 12492 /** 12493 * Get the "allow unknown sources" setting. 12494 * 12495 * @return the current "allow unknown sources" setting 12496 */ 12497 private int getUnknownSourcesSettings() { 12498 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12499 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12500 -1); 12501 } 12502 12503 @Override 12504 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12505 final int uid = Binder.getCallingUid(); 12506 // writer 12507 synchronized (mPackages) { 12508 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12509 if (targetPackageSetting == null) { 12510 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12511 } 12512 12513 PackageSetting installerPackageSetting; 12514 if (installerPackageName != null) { 12515 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12516 if (installerPackageSetting == null) { 12517 throw new IllegalArgumentException("Unknown installer package: " 12518 + installerPackageName); 12519 } 12520 } else { 12521 installerPackageSetting = null; 12522 } 12523 12524 Signature[] callerSignature; 12525 Object obj = mSettings.getUserIdLPr(uid); 12526 if (obj != null) { 12527 if (obj instanceof SharedUserSetting) { 12528 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12529 } else if (obj instanceof PackageSetting) { 12530 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12531 } else { 12532 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12533 } 12534 } else { 12535 throw new SecurityException("Unknown calling UID: " + uid); 12536 } 12537 12538 // Verify: can't set installerPackageName to a package that is 12539 // not signed with the same cert as the caller. 12540 if (installerPackageSetting != null) { 12541 if (compareSignatures(callerSignature, 12542 installerPackageSetting.signatures.mSignatures) 12543 != PackageManager.SIGNATURE_MATCH) { 12544 throw new SecurityException( 12545 "Caller does not have same cert as new installer package " 12546 + installerPackageName); 12547 } 12548 } 12549 12550 // Verify: if target already has an installer package, it must 12551 // be signed with the same cert as the caller. 12552 if (targetPackageSetting.installerPackageName != null) { 12553 PackageSetting setting = mSettings.mPackages.get( 12554 targetPackageSetting.installerPackageName); 12555 // If the currently set package isn't valid, then it's always 12556 // okay to change it. 12557 if (setting != null) { 12558 if (compareSignatures(callerSignature, 12559 setting.signatures.mSignatures) 12560 != PackageManager.SIGNATURE_MATCH) { 12561 throw new SecurityException( 12562 "Caller does not have same cert as old installer package " 12563 + targetPackageSetting.installerPackageName); 12564 } 12565 } 12566 } 12567 12568 // Okay! 12569 targetPackageSetting.installerPackageName = installerPackageName; 12570 if (installerPackageName != null) { 12571 mSettings.mInstallerPackages.add(installerPackageName); 12572 } 12573 scheduleWriteSettingsLocked(); 12574 } 12575 } 12576 12577 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12578 // Queue up an async operation since the package installation may take a little while. 12579 mHandler.post(new Runnable() { 12580 public void run() { 12581 mHandler.removeCallbacks(this); 12582 // Result object to be returned 12583 PackageInstalledInfo res = new PackageInstalledInfo(); 12584 res.setReturnCode(currentStatus); 12585 res.uid = -1; 12586 res.pkg = null; 12587 res.removedInfo = null; 12588 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12589 args.doPreInstall(res.returnCode); 12590 synchronized (mInstallLock) { 12591 installPackageTracedLI(args, res); 12592 } 12593 args.doPostInstall(res.returnCode, res.uid); 12594 } 12595 12596 // A restore should be performed at this point if (a) the install 12597 // succeeded, (b) the operation is not an update, and (c) the new 12598 // package has not opted out of backup participation. 12599 final boolean update = res.removedInfo != null 12600 && res.removedInfo.removedPackage != null; 12601 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12602 boolean doRestore = !update 12603 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12604 12605 // Set up the post-install work request bookkeeping. This will be used 12606 // and cleaned up by the post-install event handling regardless of whether 12607 // there's a restore pass performed. Token values are >= 1. 12608 int token; 12609 if (mNextInstallToken < 0) mNextInstallToken = 1; 12610 token = mNextInstallToken++; 12611 12612 PostInstallData data = new PostInstallData(args, res); 12613 mRunningInstalls.put(token, data); 12614 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12615 12616 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12617 // Pass responsibility to the Backup Manager. It will perform a 12618 // restore if appropriate, then pass responsibility back to the 12619 // Package Manager to run the post-install observer callbacks 12620 // and broadcasts. 12621 IBackupManager bm = IBackupManager.Stub.asInterface( 12622 ServiceManager.getService(Context.BACKUP_SERVICE)); 12623 if (bm != null) { 12624 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12625 + " to BM for possible restore"); 12626 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12627 try { 12628 // TODO: http://b/22388012 12629 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12630 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12631 } else { 12632 doRestore = false; 12633 } 12634 } catch (RemoteException e) { 12635 // can't happen; the backup manager is local 12636 } catch (Exception e) { 12637 Slog.e(TAG, "Exception trying to enqueue restore", e); 12638 doRestore = false; 12639 } 12640 } else { 12641 Slog.e(TAG, "Backup Manager not found!"); 12642 doRestore = false; 12643 } 12644 } 12645 12646 if (!doRestore) { 12647 // No restore possible, or the Backup Manager was mysteriously not 12648 // available -- just fire the post-install work request directly. 12649 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12650 12651 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12652 12653 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12654 mHandler.sendMessage(msg); 12655 } 12656 } 12657 }); 12658 } 12659 12660 /** 12661 * Callback from PackageSettings whenever an app is first transitioned out of the 12662 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12663 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12664 * here whether the app is the target of an ongoing install, and only send the 12665 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12666 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12667 * handling. 12668 */ 12669 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12670 // Serialize this with the rest of the install-process message chain. In the 12671 // restore-at-install case, this Runnable will necessarily run before the 12672 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12673 // are coherent. In the non-restore case, the app has already completed install 12674 // and been launched through some other means, so it is not in a problematic 12675 // state for observers to see the FIRST_LAUNCH signal. 12676 mHandler.post(new Runnable() { 12677 @Override 12678 public void run() { 12679 for (int i = 0; i < mRunningInstalls.size(); i++) { 12680 final PostInstallData data = mRunningInstalls.valueAt(i); 12681 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12682 continue; 12683 } 12684 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12685 // right package; but is it for the right user? 12686 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12687 if (userId == data.res.newUsers[uIndex]) { 12688 if (DEBUG_BACKUP) { 12689 Slog.i(TAG, "Package " + pkgName 12690 + " being restored so deferring FIRST_LAUNCH"); 12691 } 12692 return; 12693 } 12694 } 12695 } 12696 } 12697 // didn't find it, so not being restored 12698 if (DEBUG_BACKUP) { 12699 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12700 } 12701 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12702 } 12703 }); 12704 } 12705 12706 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12707 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12708 installerPkg, null, userIds); 12709 } 12710 12711 private abstract class HandlerParams { 12712 private static final int MAX_RETRIES = 4; 12713 12714 /** 12715 * Number of times startCopy() has been attempted and had a non-fatal 12716 * error. 12717 */ 12718 private int mRetries = 0; 12719 12720 /** User handle for the user requesting the information or installation. */ 12721 private final UserHandle mUser; 12722 String traceMethod; 12723 int traceCookie; 12724 12725 HandlerParams(UserHandle user) { 12726 mUser = user; 12727 } 12728 12729 UserHandle getUser() { 12730 return mUser; 12731 } 12732 12733 HandlerParams setTraceMethod(String traceMethod) { 12734 this.traceMethod = traceMethod; 12735 return this; 12736 } 12737 12738 HandlerParams setTraceCookie(int traceCookie) { 12739 this.traceCookie = traceCookie; 12740 return this; 12741 } 12742 12743 final boolean startCopy() { 12744 boolean res; 12745 try { 12746 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12747 12748 if (++mRetries > MAX_RETRIES) { 12749 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12750 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12751 handleServiceError(); 12752 return false; 12753 } else { 12754 handleStartCopy(); 12755 res = true; 12756 } 12757 } catch (RemoteException e) { 12758 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12759 mHandler.sendEmptyMessage(MCS_RECONNECT); 12760 res = false; 12761 } 12762 handleReturnCode(); 12763 return res; 12764 } 12765 12766 final void serviceError() { 12767 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12768 handleServiceError(); 12769 handleReturnCode(); 12770 } 12771 12772 abstract void handleStartCopy() throws RemoteException; 12773 abstract void handleServiceError(); 12774 abstract void handleReturnCode(); 12775 } 12776 12777 class MeasureParams extends HandlerParams { 12778 private final PackageStats mStats; 12779 private boolean mSuccess; 12780 12781 private final IPackageStatsObserver mObserver; 12782 12783 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12784 super(new UserHandle(stats.userHandle)); 12785 mObserver = observer; 12786 mStats = stats; 12787 } 12788 12789 @Override 12790 public String toString() { 12791 return "MeasureParams{" 12792 + Integer.toHexString(System.identityHashCode(this)) 12793 + " " + mStats.packageName + "}"; 12794 } 12795 12796 @Override 12797 void handleStartCopy() throws RemoteException { 12798 synchronized (mInstallLock) { 12799 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12800 } 12801 12802 if (mSuccess) { 12803 boolean mounted = false; 12804 try { 12805 final String status = Environment.getExternalStorageState(); 12806 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12807 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12808 } catch (Exception e) { 12809 } 12810 12811 if (mounted) { 12812 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12813 12814 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12815 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12816 12817 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12818 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12819 12820 // Always subtract cache size, since it's a subdirectory 12821 mStats.externalDataSize -= mStats.externalCacheSize; 12822 12823 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12824 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12825 12826 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12827 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12828 } 12829 } 12830 } 12831 12832 @Override 12833 void handleReturnCode() { 12834 if (mObserver != null) { 12835 try { 12836 mObserver.onGetStatsCompleted(mStats, mSuccess); 12837 } catch (RemoteException e) { 12838 Slog.i(TAG, "Observer no longer exists."); 12839 } 12840 } 12841 } 12842 12843 @Override 12844 void handleServiceError() { 12845 Slog.e(TAG, "Could not measure application " + mStats.packageName 12846 + " external storage"); 12847 } 12848 } 12849 12850 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12851 throws RemoteException { 12852 long result = 0; 12853 for (File path : paths) { 12854 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12855 } 12856 return result; 12857 } 12858 12859 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12860 for (File path : paths) { 12861 try { 12862 mcs.clearDirectory(path.getAbsolutePath()); 12863 } catch (RemoteException e) { 12864 } 12865 } 12866 } 12867 12868 static class OriginInfo { 12869 /** 12870 * Location where install is coming from, before it has been 12871 * copied/renamed into place. This could be a single monolithic APK 12872 * file, or a cluster directory. This location may be untrusted. 12873 */ 12874 final File file; 12875 final String cid; 12876 12877 /** 12878 * Flag indicating that {@link #file} or {@link #cid} has already been 12879 * staged, meaning downstream users don't need to defensively copy the 12880 * contents. 12881 */ 12882 final boolean staged; 12883 12884 /** 12885 * Flag indicating that {@link #file} or {@link #cid} is an already 12886 * installed app that is being moved. 12887 */ 12888 final boolean existing; 12889 12890 final String resolvedPath; 12891 final File resolvedFile; 12892 12893 static OriginInfo fromNothing() { 12894 return new OriginInfo(null, null, false, false); 12895 } 12896 12897 static OriginInfo fromUntrustedFile(File file) { 12898 return new OriginInfo(file, null, false, false); 12899 } 12900 12901 static OriginInfo fromExistingFile(File file) { 12902 return new OriginInfo(file, null, false, true); 12903 } 12904 12905 static OriginInfo fromStagedFile(File file) { 12906 return new OriginInfo(file, null, true, false); 12907 } 12908 12909 static OriginInfo fromStagedContainer(String cid) { 12910 return new OriginInfo(null, cid, true, false); 12911 } 12912 12913 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12914 this.file = file; 12915 this.cid = cid; 12916 this.staged = staged; 12917 this.existing = existing; 12918 12919 if (cid != null) { 12920 resolvedPath = PackageHelper.getSdDir(cid); 12921 resolvedFile = new File(resolvedPath); 12922 } else if (file != null) { 12923 resolvedPath = file.getAbsolutePath(); 12924 resolvedFile = file; 12925 } else { 12926 resolvedPath = null; 12927 resolvedFile = null; 12928 } 12929 } 12930 } 12931 12932 static class MoveInfo { 12933 final int moveId; 12934 final String fromUuid; 12935 final String toUuid; 12936 final String packageName; 12937 final String dataAppName; 12938 final int appId; 12939 final String seinfo; 12940 final int targetSdkVersion; 12941 12942 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12943 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12944 this.moveId = moveId; 12945 this.fromUuid = fromUuid; 12946 this.toUuid = toUuid; 12947 this.packageName = packageName; 12948 this.dataAppName = dataAppName; 12949 this.appId = appId; 12950 this.seinfo = seinfo; 12951 this.targetSdkVersion = targetSdkVersion; 12952 } 12953 } 12954 12955 static class VerificationInfo { 12956 /** A constant used to indicate that a uid value is not present. */ 12957 public static final int NO_UID = -1; 12958 12959 /** URI referencing where the package was downloaded from. */ 12960 final Uri originatingUri; 12961 12962 /** HTTP referrer URI associated with the originatingURI. */ 12963 final Uri referrer; 12964 12965 /** UID of the application that the install request originated from. */ 12966 final int originatingUid; 12967 12968 /** UID of application requesting the install */ 12969 final int installerUid; 12970 12971 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12972 this.originatingUri = originatingUri; 12973 this.referrer = referrer; 12974 this.originatingUid = originatingUid; 12975 this.installerUid = installerUid; 12976 } 12977 } 12978 12979 class InstallParams extends HandlerParams { 12980 final OriginInfo origin; 12981 final MoveInfo move; 12982 final IPackageInstallObserver2 observer; 12983 int installFlags; 12984 final String installerPackageName; 12985 final String volumeUuid; 12986 private InstallArgs mArgs; 12987 private int mRet; 12988 final String packageAbiOverride; 12989 final String[] grantedRuntimePermissions; 12990 final VerificationInfo verificationInfo; 12991 final Certificate[][] certificates; 12992 12993 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12994 int installFlags, String installerPackageName, String volumeUuid, 12995 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12996 String[] grantedPermissions, Certificate[][] certificates) { 12997 super(user); 12998 this.origin = origin; 12999 this.move = move; 13000 this.observer = observer; 13001 this.installFlags = installFlags; 13002 this.installerPackageName = installerPackageName; 13003 this.volumeUuid = volumeUuid; 13004 this.verificationInfo = verificationInfo; 13005 this.packageAbiOverride = packageAbiOverride; 13006 this.grantedRuntimePermissions = grantedPermissions; 13007 this.certificates = certificates; 13008 } 13009 13010 @Override 13011 public String toString() { 13012 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 13013 + " file=" + origin.file + " cid=" + origin.cid + "}"; 13014 } 13015 13016 private int installLocationPolicy(PackageInfoLite pkgLite) { 13017 String packageName = pkgLite.packageName; 13018 int installLocation = pkgLite.installLocation; 13019 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13020 // reader 13021 synchronized (mPackages) { 13022 // Currently installed package which the new package is attempting to replace or 13023 // null if no such package is installed. 13024 PackageParser.Package installedPkg = mPackages.get(packageName); 13025 // Package which currently owns the data which the new package will own if installed. 13026 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 13027 // will be null whereas dataOwnerPkg will contain information about the package 13028 // which was uninstalled while keeping its data. 13029 PackageParser.Package dataOwnerPkg = installedPkg; 13030 if (dataOwnerPkg == null) { 13031 PackageSetting ps = mSettings.mPackages.get(packageName); 13032 if (ps != null) { 13033 dataOwnerPkg = ps.pkg; 13034 } 13035 } 13036 13037 if (dataOwnerPkg != null) { 13038 // If installed, the package will get access to data left on the device by its 13039 // predecessor. As a security measure, this is permited only if this is not a 13040 // version downgrade or if the predecessor package is marked as debuggable and 13041 // a downgrade is explicitly requested. 13042 // 13043 // On debuggable platform builds, downgrades are permitted even for 13044 // non-debuggable packages to make testing easier. Debuggable platform builds do 13045 // not offer security guarantees and thus it's OK to disable some security 13046 // mechanisms to make debugging/testing easier on those builds. However, even on 13047 // debuggable builds downgrades of packages are permitted only if requested via 13048 // installFlags. This is because we aim to keep the behavior of debuggable 13049 // platform builds as close as possible to the behavior of non-debuggable 13050 // platform builds. 13051 final boolean downgradeRequested = 13052 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 13053 final boolean packageDebuggable = 13054 (dataOwnerPkg.applicationInfo.flags 13055 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 13056 final boolean downgradePermitted = 13057 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 13058 if (!downgradePermitted) { 13059 try { 13060 checkDowngrade(dataOwnerPkg, pkgLite); 13061 } catch (PackageManagerException e) { 13062 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 13063 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 13064 } 13065 } 13066 } 13067 13068 if (installedPkg != null) { 13069 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13070 // Check for updated system application. 13071 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13072 if (onSd) { 13073 Slog.w(TAG, "Cannot install update to system app on sdcard"); 13074 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 13075 } 13076 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13077 } else { 13078 if (onSd) { 13079 // Install flag overrides everything. 13080 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13081 } 13082 // If current upgrade specifies particular preference 13083 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 13084 // Application explicitly specified internal. 13085 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13086 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 13087 // App explictly prefers external. Let policy decide 13088 } else { 13089 // Prefer previous location 13090 if (isExternal(installedPkg)) { 13091 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13092 } 13093 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13094 } 13095 } 13096 } else { 13097 // Invalid install. Return error code 13098 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 13099 } 13100 } 13101 } 13102 // All the special cases have been taken care of. 13103 // Return result based on recommended install location. 13104 if (onSd) { 13105 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13106 } 13107 return pkgLite.recommendedInstallLocation; 13108 } 13109 13110 /* 13111 * Invoke remote method to get package information and install 13112 * location values. Override install location based on default 13113 * policy if needed and then create install arguments based 13114 * on the install location. 13115 */ 13116 public void handleStartCopy() throws RemoteException { 13117 int ret = PackageManager.INSTALL_SUCCEEDED; 13118 13119 // If we're already staged, we've firmly committed to an install location 13120 if (origin.staged) { 13121 if (origin.file != null) { 13122 installFlags |= PackageManager.INSTALL_INTERNAL; 13123 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13124 } else if (origin.cid != null) { 13125 installFlags |= PackageManager.INSTALL_EXTERNAL; 13126 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13127 } else { 13128 throw new IllegalStateException("Invalid stage location"); 13129 } 13130 } 13131 13132 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13133 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 13134 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13135 PackageInfoLite pkgLite = null; 13136 13137 if (onInt && onSd) { 13138 // Check if both bits are set. 13139 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13140 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13141 } else if (onSd && ephemeral) { 13142 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13143 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13144 } else { 13145 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13146 packageAbiOverride); 13147 13148 if (DEBUG_EPHEMERAL && ephemeral) { 13149 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13150 } 13151 13152 /* 13153 * If we have too little free space, try to free cache 13154 * before giving up. 13155 */ 13156 if (!origin.staged && pkgLite.recommendedInstallLocation 13157 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13158 // TODO: focus freeing disk space on the target device 13159 final StorageManager storage = StorageManager.from(mContext); 13160 final long lowThreshold = storage.getStorageLowBytes( 13161 Environment.getDataDirectory()); 13162 13163 final long sizeBytes = mContainerService.calculateInstalledSize( 13164 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13165 13166 try { 13167 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13168 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13169 installFlags, packageAbiOverride); 13170 } catch (InstallerException e) { 13171 Slog.w(TAG, "Failed to free cache", e); 13172 } 13173 13174 /* 13175 * The cache free must have deleted the file we 13176 * downloaded to install. 13177 * 13178 * TODO: fix the "freeCache" call to not delete 13179 * the file we care about. 13180 */ 13181 if (pkgLite.recommendedInstallLocation 13182 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13183 pkgLite.recommendedInstallLocation 13184 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13185 } 13186 } 13187 } 13188 13189 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13190 int loc = pkgLite.recommendedInstallLocation; 13191 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13192 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13193 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13194 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13195 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13196 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13197 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13198 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13199 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13200 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13201 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13202 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13203 } else { 13204 // Override with defaults if needed. 13205 loc = installLocationPolicy(pkgLite); 13206 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13207 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13208 } else if (!onSd && !onInt) { 13209 // Override install location with flags 13210 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13211 // Set the flag to install on external media. 13212 installFlags |= PackageManager.INSTALL_EXTERNAL; 13213 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13214 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13215 if (DEBUG_EPHEMERAL) { 13216 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13217 } 13218 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13219 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13220 |PackageManager.INSTALL_INTERNAL); 13221 } else { 13222 // Make sure the flag for installing on external 13223 // media is unset 13224 installFlags |= PackageManager.INSTALL_INTERNAL; 13225 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13226 } 13227 } 13228 } 13229 } 13230 13231 final InstallArgs args = createInstallArgs(this); 13232 mArgs = args; 13233 13234 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13235 // TODO: http://b/22976637 13236 // Apps installed for "all" users use the device owner to verify the app 13237 UserHandle verifierUser = getUser(); 13238 if (verifierUser == UserHandle.ALL) { 13239 verifierUser = UserHandle.SYSTEM; 13240 } 13241 13242 /* 13243 * Determine if we have any installed package verifiers. If we 13244 * do, then we'll defer to them to verify the packages. 13245 */ 13246 final int requiredUid = mRequiredVerifierPackage == null ? -1 13247 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13248 verifierUser.getIdentifier()); 13249 if (!origin.existing && requiredUid != -1 13250 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13251 final Intent verification = new Intent( 13252 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13253 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13254 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13255 PACKAGE_MIME_TYPE); 13256 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13257 13258 // Query all live verifiers based on current user state 13259 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13260 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13261 13262 if (DEBUG_VERIFY) { 13263 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13264 + verification.toString() + " with " + pkgLite.verifiers.length 13265 + " optional verifiers"); 13266 } 13267 13268 final int verificationId = mPendingVerificationToken++; 13269 13270 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13271 13272 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13273 installerPackageName); 13274 13275 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13276 installFlags); 13277 13278 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13279 pkgLite.packageName); 13280 13281 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13282 pkgLite.versionCode); 13283 13284 if (verificationInfo != null) { 13285 if (verificationInfo.originatingUri != null) { 13286 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13287 verificationInfo.originatingUri); 13288 } 13289 if (verificationInfo.referrer != null) { 13290 verification.putExtra(Intent.EXTRA_REFERRER, 13291 verificationInfo.referrer); 13292 } 13293 if (verificationInfo.originatingUid >= 0) { 13294 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13295 verificationInfo.originatingUid); 13296 } 13297 if (verificationInfo.installerUid >= 0) { 13298 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13299 verificationInfo.installerUid); 13300 } 13301 } 13302 13303 final PackageVerificationState verificationState = new PackageVerificationState( 13304 requiredUid, args); 13305 13306 mPendingVerification.append(verificationId, verificationState); 13307 13308 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13309 receivers, verificationState); 13310 13311 /* 13312 * If any sufficient verifiers were listed in the package 13313 * manifest, attempt to ask them. 13314 */ 13315 if (sufficientVerifiers != null) { 13316 final int N = sufficientVerifiers.size(); 13317 if (N == 0) { 13318 Slog.i(TAG, "Additional verifiers required, but none installed."); 13319 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13320 } else { 13321 for (int i = 0; i < N; i++) { 13322 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13323 13324 final Intent sufficientIntent = new Intent(verification); 13325 sufficientIntent.setComponent(verifierComponent); 13326 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13327 } 13328 } 13329 } 13330 13331 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13332 mRequiredVerifierPackage, receivers); 13333 if (ret == PackageManager.INSTALL_SUCCEEDED 13334 && mRequiredVerifierPackage != null) { 13335 Trace.asyncTraceBegin( 13336 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13337 /* 13338 * Send the intent to the required verification agent, 13339 * but only start the verification timeout after the 13340 * target BroadcastReceivers have run. 13341 */ 13342 verification.setComponent(requiredVerifierComponent); 13343 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13344 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13345 new BroadcastReceiver() { 13346 @Override 13347 public void onReceive(Context context, Intent intent) { 13348 final Message msg = mHandler 13349 .obtainMessage(CHECK_PENDING_VERIFICATION); 13350 msg.arg1 = verificationId; 13351 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13352 } 13353 }, null, 0, null, null); 13354 13355 /* 13356 * We don't want the copy to proceed until verification 13357 * succeeds, so null out this field. 13358 */ 13359 mArgs = null; 13360 } 13361 } else { 13362 /* 13363 * No package verification is enabled, so immediately start 13364 * the remote call to initiate copy using temporary file. 13365 */ 13366 ret = args.copyApk(mContainerService, true); 13367 } 13368 } 13369 13370 mRet = ret; 13371 } 13372 13373 @Override 13374 void handleReturnCode() { 13375 // If mArgs is null, then MCS couldn't be reached. When it 13376 // reconnects, it will try again to install. At that point, this 13377 // will succeed. 13378 if (mArgs != null) { 13379 processPendingInstall(mArgs, mRet); 13380 } 13381 } 13382 13383 @Override 13384 void handleServiceError() { 13385 mArgs = createInstallArgs(this); 13386 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13387 } 13388 13389 public boolean isForwardLocked() { 13390 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13391 } 13392 } 13393 13394 /** 13395 * Used during creation of InstallArgs 13396 * 13397 * @param installFlags package installation flags 13398 * @return true if should be installed on external storage 13399 */ 13400 private static boolean installOnExternalAsec(int installFlags) { 13401 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13402 return false; 13403 } 13404 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13405 return true; 13406 } 13407 return false; 13408 } 13409 13410 /** 13411 * Used during creation of InstallArgs 13412 * 13413 * @param installFlags package installation flags 13414 * @return true if should be installed as forward locked 13415 */ 13416 private static boolean installForwardLocked(int installFlags) { 13417 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13418 } 13419 13420 private InstallArgs createInstallArgs(InstallParams params) { 13421 if (params.move != null) { 13422 return new MoveInstallArgs(params); 13423 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13424 return new AsecInstallArgs(params); 13425 } else { 13426 return new FileInstallArgs(params); 13427 } 13428 } 13429 13430 /** 13431 * Create args that describe an existing installed package. Typically used 13432 * when cleaning up old installs, or used as a move source. 13433 */ 13434 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13435 String resourcePath, String[] instructionSets) { 13436 final boolean isInAsec; 13437 if (installOnExternalAsec(installFlags)) { 13438 /* Apps on SD card are always in ASEC containers. */ 13439 isInAsec = true; 13440 } else if (installForwardLocked(installFlags) 13441 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13442 /* 13443 * Forward-locked apps are only in ASEC containers if they're the 13444 * new style 13445 */ 13446 isInAsec = true; 13447 } else { 13448 isInAsec = false; 13449 } 13450 13451 if (isInAsec) { 13452 return new AsecInstallArgs(codePath, instructionSets, 13453 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13454 } else { 13455 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13456 } 13457 } 13458 13459 static abstract class InstallArgs { 13460 /** @see InstallParams#origin */ 13461 final OriginInfo origin; 13462 /** @see InstallParams#move */ 13463 final MoveInfo move; 13464 13465 final IPackageInstallObserver2 observer; 13466 // Always refers to PackageManager flags only 13467 final int installFlags; 13468 final String installerPackageName; 13469 final String volumeUuid; 13470 final UserHandle user; 13471 final String abiOverride; 13472 final String[] installGrantPermissions; 13473 /** If non-null, drop an async trace when the install completes */ 13474 final String traceMethod; 13475 final int traceCookie; 13476 final Certificate[][] certificates; 13477 13478 // The list of instruction sets supported by this app. This is currently 13479 // only used during the rmdex() phase to clean up resources. We can get rid of this 13480 // if we move dex files under the common app path. 13481 /* nullable */ String[] instructionSets; 13482 13483 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13484 int installFlags, String installerPackageName, String volumeUuid, 13485 UserHandle user, String[] instructionSets, 13486 String abiOverride, String[] installGrantPermissions, 13487 String traceMethod, int traceCookie, Certificate[][] certificates) { 13488 this.origin = origin; 13489 this.move = move; 13490 this.installFlags = installFlags; 13491 this.observer = observer; 13492 this.installerPackageName = installerPackageName; 13493 this.volumeUuid = volumeUuid; 13494 this.user = user; 13495 this.instructionSets = instructionSets; 13496 this.abiOverride = abiOverride; 13497 this.installGrantPermissions = installGrantPermissions; 13498 this.traceMethod = traceMethod; 13499 this.traceCookie = traceCookie; 13500 this.certificates = certificates; 13501 } 13502 13503 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13504 abstract int doPreInstall(int status); 13505 13506 /** 13507 * Rename package into final resting place. All paths on the given 13508 * scanned package should be updated to reflect the rename. 13509 */ 13510 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13511 abstract int doPostInstall(int status, int uid); 13512 13513 /** @see PackageSettingBase#codePathString */ 13514 abstract String getCodePath(); 13515 /** @see PackageSettingBase#resourcePathString */ 13516 abstract String getResourcePath(); 13517 13518 // Need installer lock especially for dex file removal. 13519 abstract void cleanUpResourcesLI(); 13520 abstract boolean doPostDeleteLI(boolean delete); 13521 13522 /** 13523 * Called before the source arguments are copied. This is used mostly 13524 * for MoveParams when it needs to read the source file to put it in the 13525 * destination. 13526 */ 13527 int doPreCopy() { 13528 return PackageManager.INSTALL_SUCCEEDED; 13529 } 13530 13531 /** 13532 * Called after the source arguments are copied. This is used mostly for 13533 * MoveParams when it needs to read the source file to put it in the 13534 * destination. 13535 */ 13536 int doPostCopy(int uid) { 13537 return PackageManager.INSTALL_SUCCEEDED; 13538 } 13539 13540 protected boolean isFwdLocked() { 13541 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13542 } 13543 13544 protected boolean isExternalAsec() { 13545 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13546 } 13547 13548 protected boolean isEphemeral() { 13549 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13550 } 13551 13552 UserHandle getUser() { 13553 return user; 13554 } 13555 } 13556 13557 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13558 if (!allCodePaths.isEmpty()) { 13559 if (instructionSets == null) { 13560 throw new IllegalStateException("instructionSet == null"); 13561 } 13562 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13563 for (String codePath : allCodePaths) { 13564 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13565 try { 13566 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13567 } catch (InstallerException ignored) { 13568 } 13569 } 13570 } 13571 } 13572 } 13573 13574 /** 13575 * Logic to handle installation of non-ASEC applications, including copying 13576 * and renaming logic. 13577 */ 13578 class FileInstallArgs extends InstallArgs { 13579 private File codeFile; 13580 private File resourceFile; 13581 13582 // Example topology: 13583 // /data/app/com.example/base.apk 13584 // /data/app/com.example/split_foo.apk 13585 // /data/app/com.example/lib/arm/libfoo.so 13586 // /data/app/com.example/lib/arm64/libfoo.so 13587 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13588 13589 /** New install */ 13590 FileInstallArgs(InstallParams params) { 13591 super(params.origin, params.move, params.observer, params.installFlags, 13592 params.installerPackageName, params.volumeUuid, 13593 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13594 params.grantedRuntimePermissions, 13595 params.traceMethod, params.traceCookie, params.certificates); 13596 if (isFwdLocked()) { 13597 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13598 } 13599 } 13600 13601 /** Existing install */ 13602 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13603 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13604 null, null, null, 0, null /*certificates*/); 13605 this.codeFile = (codePath != null) ? new File(codePath) : null; 13606 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13607 } 13608 13609 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13610 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13611 try { 13612 return doCopyApk(imcs, temp); 13613 } finally { 13614 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13615 } 13616 } 13617 13618 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13619 if (origin.staged) { 13620 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13621 codeFile = origin.file; 13622 resourceFile = origin.file; 13623 return PackageManager.INSTALL_SUCCEEDED; 13624 } 13625 13626 try { 13627 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13628 final File tempDir = 13629 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13630 codeFile = tempDir; 13631 resourceFile = tempDir; 13632 } catch (IOException e) { 13633 Slog.w(TAG, "Failed to create copy file: " + e); 13634 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13635 } 13636 13637 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13638 @Override 13639 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13640 if (!FileUtils.isValidExtFilename(name)) { 13641 throw new IllegalArgumentException("Invalid filename: " + name); 13642 } 13643 try { 13644 final File file = new File(codeFile, name); 13645 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13646 O_RDWR | O_CREAT, 0644); 13647 Os.chmod(file.getAbsolutePath(), 0644); 13648 return new ParcelFileDescriptor(fd); 13649 } catch (ErrnoException e) { 13650 throw new RemoteException("Failed to open: " + e.getMessage()); 13651 } 13652 } 13653 }; 13654 13655 int ret = PackageManager.INSTALL_SUCCEEDED; 13656 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13657 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13658 Slog.e(TAG, "Failed to copy package"); 13659 return ret; 13660 } 13661 13662 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13663 NativeLibraryHelper.Handle handle = null; 13664 try { 13665 handle = NativeLibraryHelper.Handle.create(codeFile); 13666 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13667 abiOverride); 13668 } catch (IOException e) { 13669 Slog.e(TAG, "Copying native libraries failed", e); 13670 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13671 } finally { 13672 IoUtils.closeQuietly(handle); 13673 } 13674 13675 return ret; 13676 } 13677 13678 int doPreInstall(int status) { 13679 if (status != PackageManager.INSTALL_SUCCEEDED) { 13680 cleanUp(); 13681 } 13682 return status; 13683 } 13684 13685 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13686 if (status != PackageManager.INSTALL_SUCCEEDED) { 13687 cleanUp(); 13688 return false; 13689 } 13690 13691 final File targetDir = codeFile.getParentFile(); 13692 final File beforeCodeFile = codeFile; 13693 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13694 13695 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13696 try { 13697 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13698 } catch (ErrnoException e) { 13699 Slog.w(TAG, "Failed to rename", e); 13700 return false; 13701 } 13702 13703 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13704 Slog.w(TAG, "Failed to restorecon"); 13705 return false; 13706 } 13707 13708 // Reflect the rename internally 13709 codeFile = afterCodeFile; 13710 resourceFile = afterCodeFile; 13711 13712 // Reflect the rename in scanned details 13713 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13714 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13715 afterCodeFile, pkg.baseCodePath)); 13716 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13717 afterCodeFile, pkg.splitCodePaths)); 13718 13719 // Reflect the rename in app info 13720 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13721 pkg.setApplicationInfoCodePath(pkg.codePath); 13722 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13723 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13724 pkg.setApplicationInfoResourcePath(pkg.codePath); 13725 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13726 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13727 13728 return true; 13729 } 13730 13731 int doPostInstall(int status, int uid) { 13732 if (status != PackageManager.INSTALL_SUCCEEDED) { 13733 cleanUp(); 13734 } 13735 return status; 13736 } 13737 13738 @Override 13739 String getCodePath() { 13740 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13741 } 13742 13743 @Override 13744 String getResourcePath() { 13745 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13746 } 13747 13748 private boolean cleanUp() { 13749 if (codeFile == null || !codeFile.exists()) { 13750 return false; 13751 } 13752 13753 removeCodePathLI(codeFile); 13754 13755 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13756 resourceFile.delete(); 13757 } 13758 13759 return true; 13760 } 13761 13762 void cleanUpResourcesLI() { 13763 // Try enumerating all code paths before deleting 13764 List<String> allCodePaths = Collections.EMPTY_LIST; 13765 if (codeFile != null && codeFile.exists()) { 13766 try { 13767 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13768 allCodePaths = pkg.getAllCodePaths(); 13769 } catch (PackageParserException e) { 13770 // Ignored; we tried our best 13771 } 13772 } 13773 13774 cleanUp(); 13775 removeDexFiles(allCodePaths, instructionSets); 13776 } 13777 13778 boolean doPostDeleteLI(boolean delete) { 13779 // XXX err, shouldn't we respect the delete flag? 13780 cleanUpResourcesLI(); 13781 return true; 13782 } 13783 } 13784 13785 private boolean isAsecExternal(String cid) { 13786 final String asecPath = PackageHelper.getSdFilesystem(cid); 13787 return !asecPath.startsWith(mAsecInternalPath); 13788 } 13789 13790 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13791 PackageManagerException { 13792 if (copyRet < 0) { 13793 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13794 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13795 throw new PackageManagerException(copyRet, message); 13796 } 13797 } 13798 } 13799 13800 /** 13801 * Extract the MountService "container ID" from the full code path of an 13802 * .apk. 13803 */ 13804 static String cidFromCodePath(String fullCodePath) { 13805 int eidx = fullCodePath.lastIndexOf("/"); 13806 String subStr1 = fullCodePath.substring(0, eidx); 13807 int sidx = subStr1.lastIndexOf("/"); 13808 return subStr1.substring(sidx+1, eidx); 13809 } 13810 13811 /** 13812 * Logic to handle installation of ASEC applications, including copying and 13813 * renaming logic. 13814 */ 13815 class AsecInstallArgs extends InstallArgs { 13816 static final String RES_FILE_NAME = "pkg.apk"; 13817 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13818 13819 String cid; 13820 String packagePath; 13821 String resourcePath; 13822 13823 /** New install */ 13824 AsecInstallArgs(InstallParams params) { 13825 super(params.origin, params.move, params.observer, params.installFlags, 13826 params.installerPackageName, params.volumeUuid, 13827 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13828 params.grantedRuntimePermissions, 13829 params.traceMethod, params.traceCookie, params.certificates); 13830 } 13831 13832 /** Existing install */ 13833 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13834 boolean isExternal, boolean isForwardLocked) { 13835 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13836 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13837 instructionSets, null, null, null, 0, null /*certificates*/); 13838 // Hackily pretend we're still looking at a full code path 13839 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13840 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13841 } 13842 13843 // Extract cid from fullCodePath 13844 int eidx = fullCodePath.lastIndexOf("/"); 13845 String subStr1 = fullCodePath.substring(0, eidx); 13846 int sidx = subStr1.lastIndexOf("/"); 13847 cid = subStr1.substring(sidx+1, eidx); 13848 setMountPath(subStr1); 13849 } 13850 13851 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13852 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13853 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13854 instructionSets, null, null, null, 0, null /*certificates*/); 13855 this.cid = cid; 13856 setMountPath(PackageHelper.getSdDir(cid)); 13857 } 13858 13859 void createCopyFile() { 13860 cid = mInstallerService.allocateExternalStageCidLegacy(); 13861 } 13862 13863 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13864 if (origin.staged && origin.cid != null) { 13865 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13866 cid = origin.cid; 13867 setMountPath(PackageHelper.getSdDir(cid)); 13868 return PackageManager.INSTALL_SUCCEEDED; 13869 } 13870 13871 if (temp) { 13872 createCopyFile(); 13873 } else { 13874 /* 13875 * Pre-emptively destroy the container since it's destroyed if 13876 * copying fails due to it existing anyway. 13877 */ 13878 PackageHelper.destroySdDir(cid); 13879 } 13880 13881 final String newMountPath = imcs.copyPackageToContainer( 13882 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13883 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13884 13885 if (newMountPath != null) { 13886 setMountPath(newMountPath); 13887 return PackageManager.INSTALL_SUCCEEDED; 13888 } else { 13889 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13890 } 13891 } 13892 13893 @Override 13894 String getCodePath() { 13895 return packagePath; 13896 } 13897 13898 @Override 13899 String getResourcePath() { 13900 return resourcePath; 13901 } 13902 13903 int doPreInstall(int status) { 13904 if (status != PackageManager.INSTALL_SUCCEEDED) { 13905 // Destroy container 13906 PackageHelper.destroySdDir(cid); 13907 } else { 13908 boolean mounted = PackageHelper.isContainerMounted(cid); 13909 if (!mounted) { 13910 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13911 Process.SYSTEM_UID); 13912 if (newMountPath != null) { 13913 setMountPath(newMountPath); 13914 } else { 13915 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13916 } 13917 } 13918 } 13919 return status; 13920 } 13921 13922 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13923 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13924 String newMountPath = null; 13925 if (PackageHelper.isContainerMounted(cid)) { 13926 // Unmount the container 13927 if (!PackageHelper.unMountSdDir(cid)) { 13928 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13929 return false; 13930 } 13931 } 13932 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13933 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13934 " which might be stale. Will try to clean up."); 13935 // Clean up the stale container and proceed to recreate. 13936 if (!PackageHelper.destroySdDir(newCacheId)) { 13937 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13938 return false; 13939 } 13940 // Successfully cleaned up stale container. Try to rename again. 13941 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13942 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13943 + " inspite of cleaning it up."); 13944 return false; 13945 } 13946 } 13947 if (!PackageHelper.isContainerMounted(newCacheId)) { 13948 Slog.w(TAG, "Mounting container " + newCacheId); 13949 newMountPath = PackageHelper.mountSdDir(newCacheId, 13950 getEncryptKey(), Process.SYSTEM_UID); 13951 } else { 13952 newMountPath = PackageHelper.getSdDir(newCacheId); 13953 } 13954 if (newMountPath == null) { 13955 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13956 return false; 13957 } 13958 Log.i(TAG, "Succesfully renamed " + cid + 13959 " to " + newCacheId + 13960 " at new path: " + newMountPath); 13961 cid = newCacheId; 13962 13963 final File beforeCodeFile = new File(packagePath); 13964 setMountPath(newMountPath); 13965 final File afterCodeFile = new File(packagePath); 13966 13967 // Reflect the rename in scanned details 13968 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13969 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13970 afterCodeFile, pkg.baseCodePath)); 13971 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13972 afterCodeFile, pkg.splitCodePaths)); 13973 13974 // Reflect the rename in app info 13975 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13976 pkg.setApplicationInfoCodePath(pkg.codePath); 13977 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13978 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13979 pkg.setApplicationInfoResourcePath(pkg.codePath); 13980 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13981 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13982 13983 return true; 13984 } 13985 13986 private void setMountPath(String mountPath) { 13987 final File mountFile = new File(mountPath); 13988 13989 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13990 if (monolithicFile.exists()) { 13991 packagePath = monolithicFile.getAbsolutePath(); 13992 if (isFwdLocked()) { 13993 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13994 } else { 13995 resourcePath = packagePath; 13996 } 13997 } else { 13998 packagePath = mountFile.getAbsolutePath(); 13999 resourcePath = packagePath; 14000 } 14001 } 14002 14003 int doPostInstall(int status, int uid) { 14004 if (status != PackageManager.INSTALL_SUCCEEDED) { 14005 cleanUp(); 14006 } else { 14007 final int groupOwner; 14008 final String protectedFile; 14009 if (isFwdLocked()) { 14010 groupOwner = UserHandle.getSharedAppGid(uid); 14011 protectedFile = RES_FILE_NAME; 14012 } else { 14013 groupOwner = -1; 14014 protectedFile = null; 14015 } 14016 14017 if (uid < Process.FIRST_APPLICATION_UID 14018 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 14019 Slog.e(TAG, "Failed to finalize " + cid); 14020 PackageHelper.destroySdDir(cid); 14021 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14022 } 14023 14024 boolean mounted = PackageHelper.isContainerMounted(cid); 14025 if (!mounted) { 14026 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 14027 } 14028 } 14029 return status; 14030 } 14031 14032 private void cleanUp() { 14033 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 14034 14035 // Destroy secure container 14036 PackageHelper.destroySdDir(cid); 14037 } 14038 14039 private List<String> getAllCodePaths() { 14040 final File codeFile = new File(getCodePath()); 14041 if (codeFile != null && codeFile.exists()) { 14042 try { 14043 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 14044 return pkg.getAllCodePaths(); 14045 } catch (PackageParserException e) { 14046 // Ignored; we tried our best 14047 } 14048 } 14049 return Collections.EMPTY_LIST; 14050 } 14051 14052 void cleanUpResourcesLI() { 14053 // Enumerate all code paths before deleting 14054 cleanUpResourcesLI(getAllCodePaths()); 14055 } 14056 14057 private void cleanUpResourcesLI(List<String> allCodePaths) { 14058 cleanUp(); 14059 removeDexFiles(allCodePaths, instructionSets); 14060 } 14061 14062 String getPackageName() { 14063 return getAsecPackageName(cid); 14064 } 14065 14066 boolean doPostDeleteLI(boolean delete) { 14067 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 14068 final List<String> allCodePaths = getAllCodePaths(); 14069 boolean mounted = PackageHelper.isContainerMounted(cid); 14070 if (mounted) { 14071 // Unmount first 14072 if (PackageHelper.unMountSdDir(cid)) { 14073 mounted = false; 14074 } 14075 } 14076 if (!mounted && delete) { 14077 cleanUpResourcesLI(allCodePaths); 14078 } 14079 return !mounted; 14080 } 14081 14082 @Override 14083 int doPreCopy() { 14084 if (isFwdLocked()) { 14085 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 14086 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 14087 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14088 } 14089 } 14090 14091 return PackageManager.INSTALL_SUCCEEDED; 14092 } 14093 14094 @Override 14095 int doPostCopy(int uid) { 14096 if (isFwdLocked()) { 14097 if (uid < Process.FIRST_APPLICATION_UID 14098 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 14099 RES_FILE_NAME)) { 14100 Slog.e(TAG, "Failed to finalize " + cid); 14101 PackageHelper.destroySdDir(cid); 14102 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14103 } 14104 } 14105 14106 return PackageManager.INSTALL_SUCCEEDED; 14107 } 14108 } 14109 14110 /** 14111 * Logic to handle movement of existing installed applications. 14112 */ 14113 class MoveInstallArgs extends InstallArgs { 14114 private File codeFile; 14115 private File resourceFile; 14116 14117 /** New install */ 14118 MoveInstallArgs(InstallParams params) { 14119 super(params.origin, params.move, params.observer, params.installFlags, 14120 params.installerPackageName, params.volumeUuid, 14121 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14122 params.grantedRuntimePermissions, 14123 params.traceMethod, params.traceCookie, params.certificates); 14124 } 14125 14126 int copyApk(IMediaContainerService imcs, boolean temp) { 14127 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 14128 + move.fromUuid + " to " + move.toUuid); 14129 synchronized (mInstaller) { 14130 try { 14131 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 14132 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 14133 } catch (InstallerException e) { 14134 Slog.w(TAG, "Failed to move app", e); 14135 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14136 } 14137 } 14138 14139 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14140 resourceFile = codeFile; 14141 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14142 14143 return PackageManager.INSTALL_SUCCEEDED; 14144 } 14145 14146 int doPreInstall(int status) { 14147 if (status != PackageManager.INSTALL_SUCCEEDED) { 14148 cleanUp(move.toUuid); 14149 } 14150 return status; 14151 } 14152 14153 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14154 if (status != PackageManager.INSTALL_SUCCEEDED) { 14155 cleanUp(move.toUuid); 14156 return false; 14157 } 14158 14159 // Reflect the move in app info 14160 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14161 pkg.setApplicationInfoCodePath(pkg.codePath); 14162 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14163 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14164 pkg.setApplicationInfoResourcePath(pkg.codePath); 14165 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14166 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14167 14168 return true; 14169 } 14170 14171 int doPostInstall(int status, int uid) { 14172 if (status == PackageManager.INSTALL_SUCCEEDED) { 14173 cleanUp(move.fromUuid); 14174 } else { 14175 cleanUp(move.toUuid); 14176 } 14177 return status; 14178 } 14179 14180 @Override 14181 String getCodePath() { 14182 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14183 } 14184 14185 @Override 14186 String getResourcePath() { 14187 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14188 } 14189 14190 private boolean cleanUp(String volumeUuid) { 14191 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14192 move.dataAppName); 14193 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14194 final int[] userIds = sUserManager.getUserIds(); 14195 synchronized (mInstallLock) { 14196 // Clean up both app data and code 14197 // All package moves are frozen until finished 14198 for (int userId : userIds) { 14199 try { 14200 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14201 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14202 } catch (InstallerException e) { 14203 Slog.w(TAG, String.valueOf(e)); 14204 } 14205 } 14206 removeCodePathLI(codeFile); 14207 } 14208 return true; 14209 } 14210 14211 void cleanUpResourcesLI() { 14212 throw new UnsupportedOperationException(); 14213 } 14214 14215 boolean doPostDeleteLI(boolean delete) { 14216 throw new UnsupportedOperationException(); 14217 } 14218 } 14219 14220 static String getAsecPackageName(String packageCid) { 14221 int idx = packageCid.lastIndexOf("-"); 14222 if (idx == -1) { 14223 return packageCid; 14224 } 14225 return packageCid.substring(0, idx); 14226 } 14227 14228 // Utility method used to create code paths based on package name and available index. 14229 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14230 String idxStr = ""; 14231 int idx = 1; 14232 // Fall back to default value of idx=1 if prefix is not 14233 // part of oldCodePath 14234 if (oldCodePath != null) { 14235 String subStr = oldCodePath; 14236 // Drop the suffix right away 14237 if (suffix != null && subStr.endsWith(suffix)) { 14238 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14239 } 14240 // If oldCodePath already contains prefix find out the 14241 // ending index to either increment or decrement. 14242 int sidx = subStr.lastIndexOf(prefix); 14243 if (sidx != -1) { 14244 subStr = subStr.substring(sidx + prefix.length()); 14245 if (subStr != null) { 14246 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14247 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14248 } 14249 try { 14250 idx = Integer.parseInt(subStr); 14251 if (idx <= 1) { 14252 idx++; 14253 } else { 14254 idx--; 14255 } 14256 } catch(NumberFormatException e) { 14257 } 14258 } 14259 } 14260 } 14261 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14262 return prefix + idxStr; 14263 } 14264 14265 private File getNextCodePath(File targetDir, String packageName) { 14266 File result; 14267 SecureRandom random = new SecureRandom(); 14268 byte[] bytes = new byte[16]; 14269 do { 14270 random.nextBytes(bytes); 14271 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 14272 result = new File(targetDir, packageName + "-" + suffix); 14273 } while (result.exists()); 14274 return result; 14275 } 14276 14277 // Utility method that returns the relative package path with respect 14278 // to the installation directory. Like say for /data/data/com.test-1.apk 14279 // string com.test-1 is returned. 14280 static String deriveCodePathName(String codePath) { 14281 if (codePath == null) { 14282 return null; 14283 } 14284 final File codeFile = new File(codePath); 14285 final String name = codeFile.getName(); 14286 if (codeFile.isDirectory()) { 14287 return name; 14288 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14289 final int lastDot = name.lastIndexOf('.'); 14290 return name.substring(0, lastDot); 14291 } else { 14292 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14293 return null; 14294 } 14295 } 14296 14297 static class PackageInstalledInfo { 14298 String name; 14299 int uid; 14300 // The set of users that originally had this package installed. 14301 int[] origUsers; 14302 // The set of users that now have this package installed. 14303 int[] newUsers; 14304 PackageParser.Package pkg; 14305 int returnCode; 14306 String returnMsg; 14307 PackageRemovedInfo removedInfo; 14308 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14309 14310 public void setError(int code, String msg) { 14311 setReturnCode(code); 14312 setReturnMessage(msg); 14313 Slog.w(TAG, msg); 14314 } 14315 14316 public void setError(String msg, PackageParserException e) { 14317 setReturnCode(e.error); 14318 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14319 Slog.w(TAG, msg, e); 14320 } 14321 14322 public void setError(String msg, PackageManagerException e) { 14323 returnCode = e.error; 14324 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14325 Slog.w(TAG, msg, e); 14326 } 14327 14328 public void setReturnCode(int returnCode) { 14329 this.returnCode = returnCode; 14330 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14331 for (int i = 0; i < childCount; i++) { 14332 addedChildPackages.valueAt(i).returnCode = returnCode; 14333 } 14334 } 14335 14336 private void setReturnMessage(String returnMsg) { 14337 this.returnMsg = returnMsg; 14338 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14339 for (int i = 0; i < childCount; i++) { 14340 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14341 } 14342 } 14343 14344 // In some error cases we want to convey more info back to the observer 14345 String origPackage; 14346 String origPermission; 14347 } 14348 14349 /* 14350 * Install a non-existing package. 14351 */ 14352 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14353 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14354 PackageInstalledInfo res) { 14355 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14356 14357 // Remember this for later, in case we need to rollback this install 14358 String pkgName = pkg.packageName; 14359 14360 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14361 14362 synchronized(mPackages) { 14363 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 14364 if (renamedPackage != null) { 14365 // A package with the same name is already installed, though 14366 // it has been renamed to an older name. The package we 14367 // are trying to install should be installed as an update to 14368 // the existing one, but that has not been requested, so bail. 14369 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14370 + " without first uninstalling package running as " 14371 + renamedPackage); 14372 return; 14373 } 14374 if (mPackages.containsKey(pkgName)) { 14375 // Don't allow installation over an existing package with the same name. 14376 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14377 + " without first uninstalling."); 14378 return; 14379 } 14380 } 14381 14382 try { 14383 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14384 System.currentTimeMillis(), user); 14385 14386 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14387 14388 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14389 prepareAppDataAfterInstallLIF(newPackage); 14390 14391 } else { 14392 // Remove package from internal structures, but keep around any 14393 // data that might have already existed 14394 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14395 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14396 } 14397 } catch (PackageManagerException e) { 14398 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14399 } 14400 14401 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14402 } 14403 14404 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14405 // Can't rotate keys during boot or if sharedUser. 14406 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14407 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14408 return false; 14409 } 14410 // app is using upgradeKeySets; make sure all are valid 14411 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14412 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14413 for (int i = 0; i < upgradeKeySets.length; i++) { 14414 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14415 Slog.wtf(TAG, "Package " 14416 + (oldPs.name != null ? oldPs.name : "<null>") 14417 + " contains upgrade-key-set reference to unknown key-set: " 14418 + upgradeKeySets[i] 14419 + " reverting to signatures check."); 14420 return false; 14421 } 14422 } 14423 return true; 14424 } 14425 14426 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14427 // Upgrade keysets are being used. Determine if new package has a superset of the 14428 // required keys. 14429 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14430 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14431 for (int i = 0; i < upgradeKeySets.length; i++) { 14432 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14433 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14434 return true; 14435 } 14436 } 14437 return false; 14438 } 14439 14440 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14441 try (DigestInputStream digestStream = 14442 new DigestInputStream(new FileInputStream(file), digest)) { 14443 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14444 } 14445 } 14446 14447 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14448 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14449 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14450 14451 final PackageParser.Package oldPackage; 14452 final String pkgName = pkg.packageName; 14453 final int[] allUsers; 14454 final int[] installedUsers; 14455 14456 synchronized(mPackages) { 14457 oldPackage = mPackages.get(pkgName); 14458 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14459 14460 // don't allow upgrade to target a release SDK from a pre-release SDK 14461 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14462 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14463 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14464 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14465 if (oldTargetsPreRelease 14466 && !newTargetsPreRelease 14467 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14468 Slog.w(TAG, "Can't install package targeting released sdk"); 14469 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14470 return; 14471 } 14472 14473 // don't allow an upgrade from full to ephemeral 14474 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14475 if (isEphemeral && !oldIsEphemeral) { 14476 // can't downgrade from full to ephemeral 14477 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14478 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14479 return; 14480 } 14481 14482 // verify signatures are valid 14483 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14484 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14485 if (!checkUpgradeKeySetLP(ps, pkg)) { 14486 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14487 "New package not signed by keys specified by upgrade-keysets: " 14488 + pkgName); 14489 return; 14490 } 14491 } else { 14492 // default to original signature matching 14493 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14494 != PackageManager.SIGNATURE_MATCH) { 14495 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14496 "New package has a different signature: " + pkgName); 14497 return; 14498 } 14499 } 14500 14501 // don't allow a system upgrade unless the upgrade hash matches 14502 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14503 byte[] digestBytes = null; 14504 try { 14505 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14506 updateDigest(digest, new File(pkg.baseCodePath)); 14507 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14508 for (String path : pkg.splitCodePaths) { 14509 updateDigest(digest, new File(path)); 14510 } 14511 } 14512 digestBytes = digest.digest(); 14513 } catch (NoSuchAlgorithmException | IOException e) { 14514 res.setError(INSTALL_FAILED_INVALID_APK, 14515 "Could not compute hash: " + pkgName); 14516 return; 14517 } 14518 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14519 res.setError(INSTALL_FAILED_INVALID_APK, 14520 "New package fails restrict-update check: " + pkgName); 14521 return; 14522 } 14523 // retain upgrade restriction 14524 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14525 } 14526 14527 // Check for shared user id changes 14528 String invalidPackageName = 14529 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14530 if (invalidPackageName != null) { 14531 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14532 "Package " + invalidPackageName + " tried to change user " 14533 + oldPackage.mSharedUserId); 14534 return; 14535 } 14536 14537 // In case of rollback, remember per-user/profile install state 14538 allUsers = sUserManager.getUserIds(); 14539 installedUsers = ps.queryInstalledUsers(allUsers, true); 14540 } 14541 14542 // Update what is removed 14543 res.removedInfo = new PackageRemovedInfo(); 14544 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14545 res.removedInfo.removedPackage = oldPackage.packageName; 14546 res.removedInfo.isUpdate = true; 14547 res.removedInfo.origUsers = installedUsers; 14548 final int childCount = (oldPackage.childPackages != null) 14549 ? oldPackage.childPackages.size() : 0; 14550 for (int i = 0; i < childCount; i++) { 14551 boolean childPackageUpdated = false; 14552 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14553 if (res.addedChildPackages != null) { 14554 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14555 if (childRes != null) { 14556 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14557 childRes.removedInfo.removedPackage = childPkg.packageName; 14558 childRes.removedInfo.isUpdate = true; 14559 childPackageUpdated = true; 14560 } 14561 } 14562 if (!childPackageUpdated) { 14563 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14564 childRemovedRes.removedPackage = childPkg.packageName; 14565 childRemovedRes.isUpdate = false; 14566 childRemovedRes.dataRemoved = true; 14567 synchronized (mPackages) { 14568 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 14569 if (childPs != null) { 14570 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14571 } 14572 } 14573 if (res.removedInfo.removedChildPackages == null) { 14574 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14575 } 14576 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14577 } 14578 } 14579 14580 boolean sysPkg = (isSystemApp(oldPackage)); 14581 if (sysPkg) { 14582 // Set the system/privileged flags as needed 14583 final boolean privileged = 14584 (oldPackage.applicationInfo.privateFlags 14585 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14586 final int systemPolicyFlags = policyFlags 14587 | PackageParser.PARSE_IS_SYSTEM 14588 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14589 14590 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14591 user, allUsers, installerPackageName, res); 14592 } else { 14593 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14594 user, allUsers, installerPackageName, res); 14595 } 14596 } 14597 14598 public List<String> getPreviousCodePaths(String packageName) { 14599 final PackageSetting ps = mSettings.mPackages.get(packageName); 14600 final List<String> result = new ArrayList<String>(); 14601 if (ps != null && ps.oldCodePaths != null) { 14602 result.addAll(ps.oldCodePaths); 14603 } 14604 return result; 14605 } 14606 14607 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14608 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14609 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14610 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14611 + deletedPackage); 14612 14613 String pkgName = deletedPackage.packageName; 14614 boolean deletedPkg = true; 14615 boolean addedPkg = false; 14616 boolean updatedSettings = false; 14617 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14618 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14619 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14620 14621 final long origUpdateTime = (pkg.mExtras != null) 14622 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14623 14624 // First delete the existing package while retaining the data directory 14625 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14626 res.removedInfo, true, pkg)) { 14627 // If the existing package wasn't successfully deleted 14628 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14629 deletedPkg = false; 14630 } else { 14631 // Successfully deleted the old package; proceed with replace. 14632 14633 // If deleted package lived in a container, give users a chance to 14634 // relinquish resources before killing. 14635 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14636 if (DEBUG_INSTALL) { 14637 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14638 } 14639 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14640 final ArrayList<String> pkgList = new ArrayList<String>(1); 14641 pkgList.add(deletedPackage.applicationInfo.packageName); 14642 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14643 } 14644 14645 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14646 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14647 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14648 14649 try { 14650 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14651 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14652 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14653 14654 // Update the in-memory copy of the previous code paths. 14655 PackageSetting ps = mSettings.mPackages.get(pkgName); 14656 if (!killApp) { 14657 if (ps.oldCodePaths == null) { 14658 ps.oldCodePaths = new ArraySet<>(); 14659 } 14660 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14661 if (deletedPackage.splitCodePaths != null) { 14662 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14663 } 14664 } else { 14665 ps.oldCodePaths = null; 14666 } 14667 if (ps.childPackageNames != null) { 14668 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14669 final String childPkgName = ps.childPackageNames.get(i); 14670 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14671 childPs.oldCodePaths = ps.oldCodePaths; 14672 } 14673 } 14674 prepareAppDataAfterInstallLIF(newPackage); 14675 addedPkg = true; 14676 } catch (PackageManagerException e) { 14677 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14678 } 14679 } 14680 14681 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14682 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14683 14684 // Revert all internal state mutations and added folders for the failed install 14685 if (addedPkg) { 14686 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14687 res.removedInfo, true, null); 14688 } 14689 14690 // Restore the old package 14691 if (deletedPkg) { 14692 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14693 File restoreFile = new File(deletedPackage.codePath); 14694 // Parse old package 14695 boolean oldExternal = isExternal(deletedPackage); 14696 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14697 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14698 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14699 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14700 try { 14701 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14702 null); 14703 } catch (PackageManagerException e) { 14704 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14705 + e.getMessage()); 14706 return; 14707 } 14708 14709 synchronized (mPackages) { 14710 // Ensure the installer package name up to date 14711 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14712 14713 // Update permissions for restored package 14714 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14715 14716 mSettings.writeLPr(); 14717 } 14718 14719 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14720 } 14721 } else { 14722 synchronized (mPackages) { 14723 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 14724 if (ps != null) { 14725 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14726 if (res.removedInfo.removedChildPackages != null) { 14727 final int childCount = res.removedInfo.removedChildPackages.size(); 14728 // Iterate in reverse as we may modify the collection 14729 for (int i = childCount - 1; i >= 0; i--) { 14730 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14731 if (res.addedChildPackages.containsKey(childPackageName)) { 14732 res.removedInfo.removedChildPackages.removeAt(i); 14733 } else { 14734 PackageRemovedInfo childInfo = res.removedInfo 14735 .removedChildPackages.valueAt(i); 14736 childInfo.removedForAllUsers = mPackages.get( 14737 childInfo.removedPackage) == null; 14738 } 14739 } 14740 } 14741 } 14742 } 14743 } 14744 } 14745 14746 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14747 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14748 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14749 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14750 + ", old=" + deletedPackage); 14751 14752 final boolean disabledSystem; 14753 14754 // Remove existing system package 14755 removePackageLI(deletedPackage, true); 14756 14757 synchronized (mPackages) { 14758 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14759 } 14760 if (!disabledSystem) { 14761 // We didn't need to disable the .apk as a current system package, 14762 // which means we are replacing another update that is already 14763 // installed. We need to make sure to delete the older one's .apk. 14764 res.removedInfo.args = createInstallArgsForExisting(0, 14765 deletedPackage.applicationInfo.getCodePath(), 14766 deletedPackage.applicationInfo.getResourcePath(), 14767 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14768 } else { 14769 res.removedInfo.args = null; 14770 } 14771 14772 // Successfully disabled the old package. Now proceed with re-installation 14773 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14774 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14775 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14776 14777 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14778 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14779 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14780 14781 PackageParser.Package newPackage = null; 14782 try { 14783 // Add the package to the internal data structures 14784 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14785 14786 // Set the update and install times 14787 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14788 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14789 System.currentTimeMillis()); 14790 14791 // Update the package dynamic state if succeeded 14792 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14793 // Now that the install succeeded make sure we remove data 14794 // directories for any child package the update removed. 14795 final int deletedChildCount = (deletedPackage.childPackages != null) 14796 ? deletedPackage.childPackages.size() : 0; 14797 final int newChildCount = (newPackage.childPackages != null) 14798 ? newPackage.childPackages.size() : 0; 14799 for (int i = 0; i < deletedChildCount; i++) { 14800 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14801 boolean childPackageDeleted = true; 14802 for (int j = 0; j < newChildCount; j++) { 14803 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14804 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14805 childPackageDeleted = false; 14806 break; 14807 } 14808 } 14809 if (childPackageDeleted) { 14810 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14811 deletedChildPkg.packageName); 14812 if (ps != null && res.removedInfo.removedChildPackages != null) { 14813 PackageRemovedInfo removedChildRes = res.removedInfo 14814 .removedChildPackages.get(deletedChildPkg.packageName); 14815 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14816 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14817 } 14818 } 14819 } 14820 14821 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14822 prepareAppDataAfterInstallLIF(newPackage); 14823 } 14824 } catch (PackageManagerException e) { 14825 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14826 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14827 } 14828 14829 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14830 // Re installation failed. Restore old information 14831 // Remove new pkg information 14832 if (newPackage != null) { 14833 removeInstalledPackageLI(newPackage, true); 14834 } 14835 // Add back the old system package 14836 try { 14837 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14838 } catch (PackageManagerException e) { 14839 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14840 } 14841 14842 synchronized (mPackages) { 14843 if (disabledSystem) { 14844 enableSystemPackageLPw(deletedPackage); 14845 } 14846 14847 // Ensure the installer package name up to date 14848 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14849 14850 // Update permissions for restored package 14851 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14852 14853 mSettings.writeLPr(); 14854 } 14855 14856 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14857 + " after failed upgrade"); 14858 } 14859 } 14860 14861 /** 14862 * Checks whether the parent or any of the child packages have a change shared 14863 * user. For a package to be a valid update the shred users of the parent and 14864 * the children should match. We may later support changing child shared users. 14865 * @param oldPkg The updated package. 14866 * @param newPkg The update package. 14867 * @return The shared user that change between the versions. 14868 */ 14869 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14870 PackageParser.Package newPkg) { 14871 // Check parent shared user 14872 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14873 return newPkg.packageName; 14874 } 14875 // Check child shared users 14876 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14877 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14878 for (int i = 0; i < newChildCount; i++) { 14879 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14880 // If this child was present, did it have the same shared user? 14881 for (int j = 0; j < oldChildCount; j++) { 14882 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14883 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14884 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14885 return newChildPkg.packageName; 14886 } 14887 } 14888 } 14889 return null; 14890 } 14891 14892 private void removeNativeBinariesLI(PackageSetting ps) { 14893 // Remove the lib path for the parent package 14894 if (ps != null) { 14895 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14896 // Remove the lib path for the child packages 14897 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14898 for (int i = 0; i < childCount; i++) { 14899 PackageSetting childPs = null; 14900 synchronized (mPackages) { 14901 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 14902 } 14903 if (childPs != null) { 14904 NativeLibraryHelper.removeNativeBinariesLI(childPs 14905 .legacyNativeLibraryPathString); 14906 } 14907 } 14908 } 14909 } 14910 14911 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14912 // Enable the parent package 14913 mSettings.enableSystemPackageLPw(pkg.packageName); 14914 // Enable the child packages 14915 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14916 for (int i = 0; i < childCount; i++) { 14917 PackageParser.Package childPkg = pkg.childPackages.get(i); 14918 mSettings.enableSystemPackageLPw(childPkg.packageName); 14919 } 14920 } 14921 14922 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14923 PackageParser.Package newPkg) { 14924 // Disable the parent package (parent always replaced) 14925 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14926 // Disable the child packages 14927 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14928 for (int i = 0; i < childCount; i++) { 14929 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14930 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14931 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14932 } 14933 return disabled; 14934 } 14935 14936 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14937 String installerPackageName) { 14938 // Enable the parent package 14939 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14940 // Enable the child packages 14941 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14942 for (int i = 0; i < childCount; i++) { 14943 PackageParser.Package childPkg = pkg.childPackages.get(i); 14944 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14945 } 14946 } 14947 14948 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14949 // Collect all used permissions in the UID 14950 ArraySet<String> usedPermissions = new ArraySet<>(); 14951 final int packageCount = su.packages.size(); 14952 for (int i = 0; i < packageCount; i++) { 14953 PackageSetting ps = su.packages.valueAt(i); 14954 if (ps.pkg == null) { 14955 continue; 14956 } 14957 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14958 for (int j = 0; j < requestedPermCount; j++) { 14959 String permission = ps.pkg.requestedPermissions.get(j); 14960 BasePermission bp = mSettings.mPermissions.get(permission); 14961 if (bp != null) { 14962 usedPermissions.add(permission); 14963 } 14964 } 14965 } 14966 14967 PermissionsState permissionsState = su.getPermissionsState(); 14968 // Prune install permissions 14969 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14970 final int installPermCount = installPermStates.size(); 14971 for (int i = installPermCount - 1; i >= 0; i--) { 14972 PermissionState permissionState = installPermStates.get(i); 14973 if (!usedPermissions.contains(permissionState.getName())) { 14974 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14975 if (bp != null) { 14976 permissionsState.revokeInstallPermission(bp); 14977 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14978 PackageManager.MASK_PERMISSION_FLAGS, 0); 14979 } 14980 } 14981 } 14982 14983 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14984 14985 // Prune runtime permissions 14986 for (int userId : allUserIds) { 14987 List<PermissionState> runtimePermStates = permissionsState 14988 .getRuntimePermissionStates(userId); 14989 final int runtimePermCount = runtimePermStates.size(); 14990 for (int i = runtimePermCount - 1; i >= 0; i--) { 14991 PermissionState permissionState = runtimePermStates.get(i); 14992 if (!usedPermissions.contains(permissionState.getName())) { 14993 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14994 if (bp != null) { 14995 permissionsState.revokeRuntimePermission(bp, userId); 14996 permissionsState.updatePermissionFlags(bp, userId, 14997 PackageManager.MASK_PERMISSION_FLAGS, 0); 14998 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14999 runtimePermissionChangedUserIds, userId); 15000 } 15001 } 15002 } 15003 } 15004 15005 return runtimePermissionChangedUserIds; 15006 } 15007 15008 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 15009 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 15010 // Update the parent package setting 15011 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 15012 res, user); 15013 // Update the child packages setting 15014 final int childCount = (newPackage.childPackages != null) 15015 ? newPackage.childPackages.size() : 0; 15016 for (int i = 0; i < childCount; i++) { 15017 PackageParser.Package childPackage = newPackage.childPackages.get(i); 15018 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 15019 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 15020 childRes.origUsers, childRes, user); 15021 } 15022 } 15023 15024 private void updateSettingsInternalLI(PackageParser.Package newPackage, 15025 String installerPackageName, int[] allUsers, int[] installedForUsers, 15026 PackageInstalledInfo res, UserHandle user) { 15027 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 15028 15029 String pkgName = newPackage.packageName; 15030 synchronized (mPackages) { 15031 //write settings. the installStatus will be incomplete at this stage. 15032 //note that the new package setting would have already been 15033 //added to mPackages. It hasn't been persisted yet. 15034 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 15035 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15036 mSettings.writeLPr(); 15037 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15038 } 15039 15040 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 15041 synchronized (mPackages) { 15042 updatePermissionsLPw(newPackage.packageName, newPackage, 15043 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 15044 ? UPDATE_PERMISSIONS_ALL : 0)); 15045 // For system-bundled packages, we assume that installing an upgraded version 15046 // of the package implies that the user actually wants to run that new code, 15047 // so we enable the package. 15048 PackageSetting ps = mSettings.mPackages.get(pkgName); 15049 final int userId = user.getIdentifier(); 15050 if (ps != null) { 15051 if (isSystemApp(newPackage)) { 15052 if (DEBUG_INSTALL) { 15053 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 15054 } 15055 // Enable system package for requested users 15056 if (res.origUsers != null) { 15057 for (int origUserId : res.origUsers) { 15058 if (userId == UserHandle.USER_ALL || userId == origUserId) { 15059 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 15060 origUserId, installerPackageName); 15061 } 15062 } 15063 } 15064 // Also convey the prior install/uninstall state 15065 if (allUsers != null && installedForUsers != null) { 15066 for (int currentUserId : allUsers) { 15067 final boolean installed = ArrayUtils.contains( 15068 installedForUsers, currentUserId); 15069 if (DEBUG_INSTALL) { 15070 Slog.d(TAG, " user " + currentUserId + " => " + installed); 15071 } 15072 ps.setInstalled(installed, currentUserId); 15073 } 15074 // these install state changes will be persisted in the 15075 // upcoming call to mSettings.writeLPr(). 15076 } 15077 } 15078 // It's implied that when a user requests installation, they want the app to be 15079 // installed and enabled. 15080 if (userId != UserHandle.USER_ALL) { 15081 ps.setInstalled(true, userId); 15082 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 15083 } 15084 } 15085 res.name = pkgName; 15086 res.uid = newPackage.applicationInfo.uid; 15087 res.pkg = newPackage; 15088 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 15089 mSettings.setInstallerPackageName(pkgName, installerPackageName); 15090 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15091 //to update install status 15092 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15093 mSettings.writeLPr(); 15094 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15095 } 15096 15097 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15098 } 15099 15100 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 15101 try { 15102 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 15103 installPackageLI(args, res); 15104 } finally { 15105 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15106 } 15107 } 15108 15109 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 15110 final int installFlags = args.installFlags; 15111 final String installerPackageName = args.installerPackageName; 15112 final String volumeUuid = args.volumeUuid; 15113 final File tmpPackageFile = new File(args.getCodePath()); 15114 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 15115 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 15116 || (args.volumeUuid != null)); 15117 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 15118 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 15119 boolean replace = false; 15120 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 15121 if (args.move != null) { 15122 // moving a complete application; perform an initial scan on the new install location 15123 scanFlags |= SCAN_INITIAL; 15124 } 15125 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 15126 scanFlags |= SCAN_DONT_KILL_APP; 15127 } 15128 15129 // Result object to be returned 15130 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15131 15132 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 15133 15134 // Sanity check 15135 if (ephemeral && (forwardLocked || onExternal)) { 15136 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 15137 + " external=" + onExternal); 15138 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15139 return; 15140 } 15141 15142 // Retrieve PackageSettings and parse package 15143 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15144 | PackageParser.PARSE_ENFORCE_CODE 15145 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15146 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15147 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15148 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15149 PackageParser pp = new PackageParser(); 15150 pp.setSeparateProcesses(mSeparateProcesses); 15151 pp.setDisplayMetrics(mMetrics); 15152 15153 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15154 final PackageParser.Package pkg; 15155 try { 15156 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15157 } catch (PackageParserException e) { 15158 res.setError("Failed parse during installPackageLI", e); 15159 return; 15160 } finally { 15161 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15162 } 15163 15164 // If we are installing a clustered package add results for the children 15165 if (pkg.childPackages != null) { 15166 synchronized (mPackages) { 15167 final int childCount = pkg.childPackages.size(); 15168 for (int i = 0; i < childCount; i++) { 15169 PackageParser.Package childPkg = pkg.childPackages.get(i); 15170 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15171 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15172 childRes.pkg = childPkg; 15173 childRes.name = childPkg.packageName; 15174 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15175 if (childPs != null) { 15176 childRes.origUsers = childPs.queryInstalledUsers( 15177 sUserManager.getUserIds(), true); 15178 } 15179 if ((mPackages.containsKey(childPkg.packageName))) { 15180 childRes.removedInfo = new PackageRemovedInfo(); 15181 childRes.removedInfo.removedPackage = childPkg.packageName; 15182 } 15183 if (res.addedChildPackages == null) { 15184 res.addedChildPackages = new ArrayMap<>(); 15185 } 15186 res.addedChildPackages.put(childPkg.packageName, childRes); 15187 } 15188 } 15189 } 15190 15191 // If package doesn't declare API override, mark that we have an install 15192 // time CPU ABI override. 15193 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15194 pkg.cpuAbiOverride = args.abiOverride; 15195 } 15196 15197 String pkgName = res.name = pkg.packageName; 15198 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15199 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15200 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15201 return; 15202 } 15203 } 15204 15205 try { 15206 // either use what we've been given or parse directly from the APK 15207 if (args.certificates != null) { 15208 try { 15209 PackageParser.populateCertificates(pkg, args.certificates); 15210 } catch (PackageParserException e) { 15211 // there was something wrong with the certificates we were given; 15212 // try to pull them from the APK 15213 PackageParser.collectCertificates(pkg, parseFlags); 15214 } 15215 } else { 15216 PackageParser.collectCertificates(pkg, parseFlags); 15217 } 15218 } catch (PackageParserException e) { 15219 res.setError("Failed collect during installPackageLI", e); 15220 return; 15221 } 15222 15223 // Get rid of all references to package scan path via parser. 15224 pp = null; 15225 String oldCodePath = null; 15226 boolean systemApp = false; 15227 synchronized (mPackages) { 15228 // Check if installing already existing package 15229 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15230 String oldName = mSettings.getRenamedPackageLPr(pkgName); 15231 if (pkg.mOriginalPackages != null 15232 && pkg.mOriginalPackages.contains(oldName) 15233 && mPackages.containsKey(oldName)) { 15234 // This package is derived from an original package, 15235 // and this device has been updating from that original 15236 // name. We must continue using the original name, so 15237 // rename the new package here. 15238 pkg.setPackageName(oldName); 15239 pkgName = pkg.packageName; 15240 replace = true; 15241 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15242 + oldName + " pkgName=" + pkgName); 15243 } else if (mPackages.containsKey(pkgName)) { 15244 // This package, under its official name, already exists 15245 // on the device; we should replace it. 15246 replace = true; 15247 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15248 } 15249 15250 // Child packages are installed through the parent package 15251 if (pkg.parentPackage != null) { 15252 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15253 "Package " + pkg.packageName + " is child of package " 15254 + pkg.parentPackage.parentPackage + ". Child packages " 15255 + "can be updated only through the parent package."); 15256 return; 15257 } 15258 15259 if (replace) { 15260 // Prevent apps opting out from runtime permissions 15261 PackageParser.Package oldPackage = mPackages.get(pkgName); 15262 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15263 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15264 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15265 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15266 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15267 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15268 + " doesn't support runtime permissions but the old" 15269 + " target SDK " + oldTargetSdk + " does."); 15270 return; 15271 } 15272 15273 // Prevent installing of child packages 15274 if (oldPackage.parentPackage != null) { 15275 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15276 "Package " + pkg.packageName + " is child of package " 15277 + oldPackage.parentPackage + ". Child packages " 15278 + "can be updated only through the parent package."); 15279 return; 15280 } 15281 } 15282 } 15283 15284 PackageSetting ps = mSettings.mPackages.get(pkgName); 15285 if (ps != null) { 15286 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15287 15288 // Quick sanity check that we're signed correctly if updating; 15289 // we'll check this again later when scanning, but we want to 15290 // bail early here before tripping over redefined permissions. 15291 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15292 if (!checkUpgradeKeySetLP(ps, pkg)) { 15293 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15294 + pkg.packageName + " upgrade keys do not match the " 15295 + "previously installed version"); 15296 return; 15297 } 15298 } else { 15299 try { 15300 verifySignaturesLP(ps, pkg); 15301 } catch (PackageManagerException e) { 15302 res.setError(e.error, e.getMessage()); 15303 return; 15304 } 15305 } 15306 15307 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15308 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15309 systemApp = (ps.pkg.applicationInfo.flags & 15310 ApplicationInfo.FLAG_SYSTEM) != 0; 15311 } 15312 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15313 } 15314 15315 // Check whether the newly-scanned package wants to define an already-defined perm 15316 int N = pkg.permissions.size(); 15317 for (int i = N-1; i >= 0; i--) { 15318 PackageParser.Permission perm = pkg.permissions.get(i); 15319 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15320 if (bp != null) { 15321 // If the defining package is signed with our cert, it's okay. This 15322 // also includes the "updating the same package" case, of course. 15323 // "updating same package" could also involve key-rotation. 15324 final boolean sigsOk; 15325 if (bp.sourcePackage.equals(pkg.packageName) 15326 && (bp.packageSetting instanceof PackageSetting) 15327 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15328 scanFlags))) { 15329 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15330 } else { 15331 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15332 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15333 } 15334 if (!sigsOk) { 15335 // If the owning package is the system itself, we log but allow 15336 // install to proceed; we fail the install on all other permission 15337 // redefinitions. 15338 if (!bp.sourcePackage.equals("android")) { 15339 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15340 + pkg.packageName + " attempting to redeclare permission " 15341 + perm.info.name + " already owned by " + bp.sourcePackage); 15342 res.origPermission = perm.info.name; 15343 res.origPackage = bp.sourcePackage; 15344 return; 15345 } else { 15346 Slog.w(TAG, "Package " + pkg.packageName 15347 + " attempting to redeclare system permission " 15348 + perm.info.name + "; ignoring new declaration"); 15349 pkg.permissions.remove(i); 15350 } 15351 } 15352 } 15353 } 15354 } 15355 15356 if (systemApp) { 15357 if (onExternal) { 15358 // Abort update; system app can't be replaced with app on sdcard 15359 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15360 "Cannot install updates to system apps on sdcard"); 15361 return; 15362 } else if (ephemeral) { 15363 // Abort update; system app can't be replaced with an ephemeral app 15364 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15365 "Cannot update a system app with an ephemeral app"); 15366 return; 15367 } 15368 } 15369 15370 if (args.move != null) { 15371 // We did an in-place move, so dex is ready to roll 15372 scanFlags |= SCAN_NO_DEX; 15373 scanFlags |= SCAN_MOVE; 15374 15375 synchronized (mPackages) { 15376 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15377 if (ps == null) { 15378 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15379 "Missing settings for moved package " + pkgName); 15380 } 15381 15382 // We moved the entire application as-is, so bring over the 15383 // previously derived ABI information. 15384 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15385 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15386 } 15387 15388 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15389 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15390 scanFlags |= SCAN_NO_DEX; 15391 15392 try { 15393 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15394 args.abiOverride : pkg.cpuAbiOverride); 15395 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15396 true /*extractLibs*/, mAppLib32InstallDir); 15397 } catch (PackageManagerException pme) { 15398 Slog.e(TAG, "Error deriving application ABI", pme); 15399 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15400 return; 15401 } 15402 15403 // Shared libraries for the package need to be updated. 15404 synchronized (mPackages) { 15405 try { 15406 updateSharedLibrariesLPr(pkg, null); 15407 } catch (PackageManagerException e) { 15408 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15409 } 15410 } 15411 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15412 // Do not run PackageDexOptimizer through the local performDexOpt 15413 // method because `pkg` may not be in `mPackages` yet. 15414 // 15415 // Also, don't fail application installs if the dexopt step fails. 15416 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15417 null /* instructionSets */, false /* checkProfiles */, 15418 getCompilerFilterForReason(REASON_INSTALL), 15419 getOrCreateCompilerPackageStats(pkg)); 15420 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15421 15422 // Notify BackgroundDexOptService that the package has been changed. 15423 // If this is an update of a package which used to fail to compile, 15424 // BDOS will remove it from its blacklist. 15425 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15426 } 15427 15428 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15429 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15430 return; 15431 } 15432 15433 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15434 15435 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15436 "installPackageLI")) { 15437 if (replace) { 15438 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15439 installerPackageName, res); 15440 } else { 15441 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15442 args.user, installerPackageName, volumeUuid, res); 15443 } 15444 } 15445 synchronized (mPackages) { 15446 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15447 if (ps != null) { 15448 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15449 } 15450 15451 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15452 for (int i = 0; i < childCount; i++) { 15453 PackageParser.Package childPkg = pkg.childPackages.get(i); 15454 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15455 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15456 if (childPs != null) { 15457 childRes.newUsers = childPs.queryInstalledUsers( 15458 sUserManager.getUserIds(), true); 15459 } 15460 } 15461 } 15462 } 15463 15464 private void startIntentFilterVerifications(int userId, boolean replacing, 15465 PackageParser.Package pkg) { 15466 if (mIntentFilterVerifierComponent == null) { 15467 Slog.w(TAG, "No IntentFilter verification will not be done as " 15468 + "there is no IntentFilterVerifier available!"); 15469 return; 15470 } 15471 15472 final int verifierUid = getPackageUid( 15473 mIntentFilterVerifierComponent.getPackageName(), 15474 MATCH_DEBUG_TRIAGED_MISSING, 15475 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15476 15477 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15478 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15479 mHandler.sendMessage(msg); 15480 15481 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15482 for (int i = 0; i < childCount; i++) { 15483 PackageParser.Package childPkg = pkg.childPackages.get(i); 15484 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15485 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15486 mHandler.sendMessage(msg); 15487 } 15488 } 15489 15490 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15491 PackageParser.Package pkg) { 15492 int size = pkg.activities.size(); 15493 if (size == 0) { 15494 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15495 "No activity, so no need to verify any IntentFilter!"); 15496 return; 15497 } 15498 15499 final boolean hasDomainURLs = hasDomainURLs(pkg); 15500 if (!hasDomainURLs) { 15501 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15502 "No domain URLs, so no need to verify any IntentFilter!"); 15503 return; 15504 } 15505 15506 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15507 + " if any IntentFilter from the " + size 15508 + " Activities needs verification ..."); 15509 15510 int count = 0; 15511 final String packageName = pkg.packageName; 15512 15513 synchronized (mPackages) { 15514 // If this is a new install and we see that we've already run verification for this 15515 // package, we have nothing to do: it means the state was restored from backup. 15516 if (!replacing) { 15517 IntentFilterVerificationInfo ivi = 15518 mSettings.getIntentFilterVerificationLPr(packageName); 15519 if (ivi != null) { 15520 if (DEBUG_DOMAIN_VERIFICATION) { 15521 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15522 + ivi.getStatusString()); 15523 } 15524 return; 15525 } 15526 } 15527 15528 // If any filters need to be verified, then all need to be. 15529 boolean needToVerify = false; 15530 for (PackageParser.Activity a : pkg.activities) { 15531 for (ActivityIntentInfo filter : a.intents) { 15532 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15533 if (DEBUG_DOMAIN_VERIFICATION) { 15534 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15535 } 15536 needToVerify = true; 15537 break; 15538 } 15539 } 15540 } 15541 15542 if (needToVerify) { 15543 final int verificationId = mIntentFilterVerificationToken++; 15544 for (PackageParser.Activity a : pkg.activities) { 15545 for (ActivityIntentInfo filter : a.intents) { 15546 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15547 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15548 "Verification needed for IntentFilter:" + filter.toString()); 15549 mIntentFilterVerifier.addOneIntentFilterVerification( 15550 verifierUid, userId, verificationId, filter, packageName); 15551 count++; 15552 } 15553 } 15554 } 15555 } 15556 } 15557 15558 if (count > 0) { 15559 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15560 + " IntentFilter verification" + (count > 1 ? "s" : "") 15561 + " for userId:" + userId); 15562 mIntentFilterVerifier.startVerifications(userId); 15563 } else { 15564 if (DEBUG_DOMAIN_VERIFICATION) { 15565 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15566 } 15567 } 15568 } 15569 15570 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15571 final ComponentName cn = filter.activity.getComponentName(); 15572 final String packageName = cn.getPackageName(); 15573 15574 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15575 packageName); 15576 if (ivi == null) { 15577 return true; 15578 } 15579 int status = ivi.getStatus(); 15580 switch (status) { 15581 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15582 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15583 return true; 15584 15585 default: 15586 // Nothing to do 15587 return false; 15588 } 15589 } 15590 15591 private static boolean isMultiArch(ApplicationInfo info) { 15592 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15593 } 15594 15595 private static boolean isExternal(PackageParser.Package pkg) { 15596 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15597 } 15598 15599 private static boolean isExternal(PackageSetting ps) { 15600 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15601 } 15602 15603 private static boolean isEphemeral(PackageParser.Package pkg) { 15604 return pkg.applicationInfo.isEphemeralApp(); 15605 } 15606 15607 private static boolean isEphemeral(PackageSetting ps) { 15608 return ps.pkg != null && isEphemeral(ps.pkg); 15609 } 15610 15611 private static boolean isSystemApp(PackageParser.Package pkg) { 15612 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15613 } 15614 15615 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15616 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15617 } 15618 15619 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15620 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15621 } 15622 15623 private static boolean isSystemApp(PackageSetting ps) { 15624 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15625 } 15626 15627 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15628 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15629 } 15630 15631 private int packageFlagsToInstallFlags(PackageSetting ps) { 15632 int installFlags = 0; 15633 if (isEphemeral(ps)) { 15634 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15635 } 15636 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15637 // This existing package was an external ASEC install when we have 15638 // the external flag without a UUID 15639 installFlags |= PackageManager.INSTALL_EXTERNAL; 15640 } 15641 if (ps.isForwardLocked()) { 15642 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15643 } 15644 return installFlags; 15645 } 15646 15647 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15648 if (isExternal(pkg)) { 15649 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15650 return StorageManager.UUID_PRIMARY_PHYSICAL; 15651 } else { 15652 return pkg.volumeUuid; 15653 } 15654 } else { 15655 return StorageManager.UUID_PRIVATE_INTERNAL; 15656 } 15657 } 15658 15659 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15660 if (isExternal(pkg)) { 15661 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15662 return mSettings.getExternalVersion(); 15663 } else { 15664 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15665 } 15666 } else { 15667 return mSettings.getInternalVersion(); 15668 } 15669 } 15670 15671 private void deleteTempPackageFiles() { 15672 final FilenameFilter filter = new FilenameFilter() { 15673 public boolean accept(File dir, String name) { 15674 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15675 } 15676 }; 15677 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15678 file.delete(); 15679 } 15680 } 15681 15682 @Override 15683 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15684 int flags) { 15685 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15686 flags); 15687 } 15688 15689 @Override 15690 public void deletePackage(final String packageName, 15691 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15692 mContext.enforceCallingOrSelfPermission( 15693 android.Manifest.permission.DELETE_PACKAGES, null); 15694 Preconditions.checkNotNull(packageName); 15695 Preconditions.checkNotNull(observer); 15696 final int uid = Binder.getCallingUid(); 15697 if (!isOrphaned(packageName) 15698 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15699 try { 15700 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15701 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15702 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15703 observer.onUserActionRequired(intent); 15704 } catch (RemoteException re) { 15705 } 15706 return; 15707 } 15708 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15709 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15710 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15711 mContext.enforceCallingOrSelfPermission( 15712 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15713 "deletePackage for user " + userId); 15714 } 15715 15716 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15717 try { 15718 observer.onPackageDeleted(packageName, 15719 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15720 } catch (RemoteException re) { 15721 } 15722 return; 15723 } 15724 15725 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15726 try { 15727 observer.onPackageDeleted(packageName, 15728 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15729 } catch (RemoteException re) { 15730 } 15731 return; 15732 } 15733 15734 if (DEBUG_REMOVE) { 15735 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15736 + " deleteAllUsers: " + deleteAllUsers ); 15737 } 15738 // Queue up an async operation since the package deletion may take a little while. 15739 mHandler.post(new Runnable() { 15740 public void run() { 15741 mHandler.removeCallbacks(this); 15742 int returnCode; 15743 if (!deleteAllUsers) { 15744 returnCode = deletePackageX(packageName, userId, deleteFlags); 15745 } else { 15746 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15747 // If nobody is blocking uninstall, proceed with delete for all users 15748 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15749 returnCode = deletePackageX(packageName, userId, deleteFlags); 15750 } else { 15751 // Otherwise uninstall individually for users with blockUninstalls=false 15752 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15753 for (int userId : users) { 15754 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15755 returnCode = deletePackageX(packageName, userId, userFlags); 15756 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15757 Slog.w(TAG, "Package delete failed for user " + userId 15758 + ", returnCode " + returnCode); 15759 } 15760 } 15761 } 15762 // The app has only been marked uninstalled for certain users. 15763 // We still need to report that delete was blocked 15764 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15765 } 15766 } 15767 try { 15768 observer.onPackageDeleted(packageName, returnCode, null); 15769 } catch (RemoteException e) { 15770 Log.i(TAG, "Observer no longer exists."); 15771 } //end catch 15772 } //end run 15773 }); 15774 } 15775 15776 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15777 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15778 || callingUid == Process.SYSTEM_UID) { 15779 return true; 15780 } 15781 final int callingUserId = UserHandle.getUserId(callingUid); 15782 // If the caller installed the pkgName, then allow it to silently uninstall. 15783 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15784 return true; 15785 } 15786 15787 // Allow package verifier to silently uninstall. 15788 if (mRequiredVerifierPackage != null && 15789 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15790 return true; 15791 } 15792 15793 // Allow package uninstaller to silently uninstall. 15794 if (mRequiredUninstallerPackage != null && 15795 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15796 return true; 15797 } 15798 15799 // Allow storage manager to silently uninstall. 15800 if (mStorageManagerPackage != null && 15801 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 15802 return true; 15803 } 15804 return false; 15805 } 15806 15807 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15808 int[] result = EMPTY_INT_ARRAY; 15809 for (int userId : userIds) { 15810 if (getBlockUninstallForUser(packageName, userId)) { 15811 result = ArrayUtils.appendInt(result, userId); 15812 } 15813 } 15814 return result; 15815 } 15816 15817 @Override 15818 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15819 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15820 } 15821 15822 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15823 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15824 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15825 try { 15826 if (dpm != null) { 15827 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15828 /* callingUserOnly =*/ false); 15829 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15830 : deviceOwnerComponentName.getPackageName(); 15831 // Does the package contains the device owner? 15832 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15833 // this check is probably not needed, since DO should be registered as a device 15834 // admin on some user too. (Original bug for this: b/17657954) 15835 if (packageName.equals(deviceOwnerPackageName)) { 15836 return true; 15837 } 15838 // Does it contain a device admin for any user? 15839 int[] users; 15840 if (userId == UserHandle.USER_ALL) { 15841 users = sUserManager.getUserIds(); 15842 } else { 15843 users = new int[]{userId}; 15844 } 15845 for (int i = 0; i < users.length; ++i) { 15846 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15847 return true; 15848 } 15849 } 15850 } 15851 } catch (RemoteException e) { 15852 } 15853 return false; 15854 } 15855 15856 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15857 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15858 } 15859 15860 /** 15861 * This method is an internal method that could be get invoked either 15862 * to delete an installed package or to clean up a failed installation. 15863 * After deleting an installed package, a broadcast is sent to notify any 15864 * listeners that the package has been removed. For cleaning up a failed 15865 * installation, the broadcast is not necessary since the package's 15866 * installation wouldn't have sent the initial broadcast either 15867 * The key steps in deleting a package are 15868 * deleting the package information in internal structures like mPackages, 15869 * deleting the packages base directories through installd 15870 * updating mSettings to reflect current status 15871 * persisting settings for later use 15872 * sending a broadcast if necessary 15873 */ 15874 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15875 final PackageRemovedInfo info = new PackageRemovedInfo(); 15876 final boolean res; 15877 15878 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15879 ? UserHandle.USER_ALL : userId; 15880 15881 if (isPackageDeviceAdmin(packageName, removeUser)) { 15882 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15883 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15884 } 15885 15886 PackageSetting uninstalledPs = null; 15887 15888 // for the uninstall-updates case and restricted profiles, remember the per- 15889 // user handle installed state 15890 int[] allUsers; 15891 synchronized (mPackages) { 15892 uninstalledPs = mSettings.mPackages.get(packageName); 15893 if (uninstalledPs == null) { 15894 Slog.w(TAG, "Not removing non-existent package " + packageName); 15895 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15896 } 15897 allUsers = sUserManager.getUserIds(); 15898 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15899 } 15900 15901 final int freezeUser; 15902 if (isUpdatedSystemApp(uninstalledPs) 15903 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15904 // We're downgrading a system app, which will apply to all users, so 15905 // freeze them all during the downgrade 15906 freezeUser = UserHandle.USER_ALL; 15907 } else { 15908 freezeUser = removeUser; 15909 } 15910 15911 synchronized (mInstallLock) { 15912 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15913 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15914 deleteFlags, "deletePackageX")) { 15915 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15916 deleteFlags | REMOVE_CHATTY, info, true, null); 15917 } 15918 synchronized (mPackages) { 15919 if (res) { 15920 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15921 } 15922 } 15923 } 15924 15925 if (res) { 15926 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15927 info.sendPackageRemovedBroadcasts(killApp); 15928 info.sendSystemPackageUpdatedBroadcasts(); 15929 info.sendSystemPackageAppearedBroadcasts(); 15930 } 15931 // Force a gc here. 15932 Runtime.getRuntime().gc(); 15933 // Delete the resources here after sending the broadcast to let 15934 // other processes clean up before deleting resources. 15935 if (info.args != null) { 15936 synchronized (mInstallLock) { 15937 info.args.doPostDeleteLI(true); 15938 } 15939 } 15940 15941 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15942 } 15943 15944 class PackageRemovedInfo { 15945 String removedPackage; 15946 int uid = -1; 15947 int removedAppId = -1; 15948 int[] origUsers; 15949 int[] removedUsers = null; 15950 boolean isRemovedPackageSystemUpdate = false; 15951 boolean isUpdate; 15952 boolean dataRemoved; 15953 boolean removedForAllUsers; 15954 // Clean up resources deleted packages. 15955 InstallArgs args = null; 15956 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15957 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15958 15959 void sendPackageRemovedBroadcasts(boolean killApp) { 15960 sendPackageRemovedBroadcastInternal(killApp); 15961 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15962 for (int i = 0; i < childCount; i++) { 15963 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15964 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15965 } 15966 } 15967 15968 void sendSystemPackageUpdatedBroadcasts() { 15969 if (isRemovedPackageSystemUpdate) { 15970 sendSystemPackageUpdatedBroadcastsInternal(); 15971 final int childCount = (removedChildPackages != null) 15972 ? removedChildPackages.size() : 0; 15973 for (int i = 0; i < childCount; i++) { 15974 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15975 if (childInfo.isRemovedPackageSystemUpdate) { 15976 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15977 } 15978 } 15979 } 15980 } 15981 15982 void sendSystemPackageAppearedBroadcasts() { 15983 final int packageCount = (appearedChildPackages != null) 15984 ? appearedChildPackages.size() : 0; 15985 for (int i = 0; i < packageCount; i++) { 15986 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15987 sendPackageAddedForNewUsers(installedInfo.name, true, 15988 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 15989 } 15990 } 15991 15992 private void sendSystemPackageUpdatedBroadcastsInternal() { 15993 Bundle extras = new Bundle(2); 15994 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15995 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15996 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15997 extras, 0, null, null, null); 15998 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15999 extras, 0, null, null, null); 16000 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 16001 null, 0, removedPackage, null, null); 16002 } 16003 16004 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 16005 Bundle extras = new Bundle(2); 16006 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 16007 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 16008 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 16009 if (isUpdate || isRemovedPackageSystemUpdate) { 16010 extras.putBoolean(Intent.EXTRA_REPLACING, true); 16011 } 16012 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 16013 if (removedPackage != null) { 16014 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 16015 extras, 0, null, null, removedUsers); 16016 if (dataRemoved && !isRemovedPackageSystemUpdate) { 16017 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 16018 removedPackage, extras, 0, null, null, removedUsers); 16019 } 16020 } 16021 if (removedAppId >= 0) { 16022 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 16023 removedUsers); 16024 } 16025 } 16026 } 16027 16028 /* 16029 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 16030 * flag is not set, the data directory is removed as well. 16031 * make sure this flag is set for partially installed apps. If not its meaningless to 16032 * delete a partially installed application. 16033 */ 16034 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 16035 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 16036 String packageName = ps.name; 16037 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 16038 // Retrieve object to delete permissions for shared user later on 16039 final PackageParser.Package deletedPkg; 16040 final PackageSetting deletedPs; 16041 // reader 16042 synchronized (mPackages) { 16043 deletedPkg = mPackages.get(packageName); 16044 deletedPs = mSettings.mPackages.get(packageName); 16045 if (outInfo != null) { 16046 outInfo.removedPackage = packageName; 16047 outInfo.removedUsers = deletedPs != null 16048 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 16049 : null; 16050 } 16051 } 16052 16053 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 16054 16055 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 16056 final PackageParser.Package resolvedPkg; 16057 if (deletedPkg != null) { 16058 resolvedPkg = deletedPkg; 16059 } else { 16060 // We don't have a parsed package when it lives on an ejected 16061 // adopted storage device, so fake something together 16062 resolvedPkg = new PackageParser.Package(ps.name); 16063 resolvedPkg.setVolumeUuid(ps.volumeUuid); 16064 } 16065 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 16066 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16067 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 16068 if (outInfo != null) { 16069 outInfo.dataRemoved = true; 16070 } 16071 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 16072 } 16073 16074 // writer 16075 synchronized (mPackages) { 16076 if (deletedPs != null) { 16077 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 16078 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 16079 clearDefaultBrowserIfNeeded(packageName); 16080 if (outInfo != null) { 16081 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 16082 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 16083 } 16084 updatePermissionsLPw(deletedPs.name, null, 0); 16085 if (deletedPs.sharedUser != null) { 16086 // Remove permissions associated with package. Since runtime 16087 // permissions are per user we have to kill the removed package 16088 // or packages running under the shared user of the removed 16089 // package if revoking the permissions requested only by the removed 16090 // package is successful and this causes a change in gids. 16091 for (int userId : UserManagerService.getInstance().getUserIds()) { 16092 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 16093 userId); 16094 if (userIdToKill == UserHandle.USER_ALL 16095 || userIdToKill >= UserHandle.USER_SYSTEM) { 16096 // If gids changed for this user, kill all affected packages. 16097 mHandler.post(new Runnable() { 16098 @Override 16099 public void run() { 16100 // This has to happen with no lock held. 16101 killApplication(deletedPs.name, deletedPs.appId, 16102 KILL_APP_REASON_GIDS_CHANGED); 16103 } 16104 }); 16105 break; 16106 } 16107 } 16108 } 16109 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 16110 } 16111 // make sure to preserve per-user disabled state if this removal was just 16112 // a downgrade of a system app to the factory package 16113 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 16114 if (DEBUG_REMOVE) { 16115 Slog.d(TAG, "Propagating install state across downgrade"); 16116 } 16117 for (int userId : allUserHandles) { 16118 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16119 if (DEBUG_REMOVE) { 16120 Slog.d(TAG, " user " + userId + " => " + installed); 16121 } 16122 ps.setInstalled(installed, userId); 16123 } 16124 } 16125 } 16126 // can downgrade to reader 16127 if (writeSettings) { 16128 // Save settings now 16129 mSettings.writeLPr(); 16130 } 16131 } 16132 if (outInfo != null) { 16133 // A user ID was deleted here. Go through all users and remove it 16134 // from KeyStore. 16135 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 16136 } 16137 } 16138 16139 static boolean locationIsPrivileged(File path) { 16140 try { 16141 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16142 .getCanonicalPath(); 16143 return path.getCanonicalPath().startsWith(privilegedAppDir); 16144 } catch (IOException e) { 16145 Slog.e(TAG, "Unable to access code path " + path); 16146 } 16147 return false; 16148 } 16149 16150 /* 16151 * Tries to delete system package. 16152 */ 16153 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16154 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16155 boolean writeSettings) { 16156 if (deletedPs.parentPackageName != null) { 16157 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16158 return false; 16159 } 16160 16161 final boolean applyUserRestrictions 16162 = (allUserHandles != null) && (outInfo.origUsers != null); 16163 final PackageSetting disabledPs; 16164 // Confirm if the system package has been updated 16165 // An updated system app can be deleted. This will also have to restore 16166 // the system pkg from system partition 16167 // reader 16168 synchronized (mPackages) { 16169 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16170 } 16171 16172 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16173 + " disabledPs=" + disabledPs); 16174 16175 if (disabledPs == null) { 16176 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16177 return false; 16178 } else if (DEBUG_REMOVE) { 16179 Slog.d(TAG, "Deleting system pkg from data partition"); 16180 } 16181 16182 if (DEBUG_REMOVE) { 16183 if (applyUserRestrictions) { 16184 Slog.d(TAG, "Remembering install states:"); 16185 for (int userId : allUserHandles) { 16186 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16187 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16188 } 16189 } 16190 } 16191 16192 // Delete the updated package 16193 outInfo.isRemovedPackageSystemUpdate = true; 16194 if (outInfo.removedChildPackages != null) { 16195 final int childCount = (deletedPs.childPackageNames != null) 16196 ? deletedPs.childPackageNames.size() : 0; 16197 for (int i = 0; i < childCount; i++) { 16198 String childPackageName = deletedPs.childPackageNames.get(i); 16199 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16200 .contains(childPackageName)) { 16201 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16202 childPackageName); 16203 if (childInfo != null) { 16204 childInfo.isRemovedPackageSystemUpdate = true; 16205 } 16206 } 16207 } 16208 } 16209 16210 if (disabledPs.versionCode < deletedPs.versionCode) { 16211 // Delete data for downgrades 16212 flags &= ~PackageManager.DELETE_KEEP_DATA; 16213 } else { 16214 // Preserve data by setting flag 16215 flags |= PackageManager.DELETE_KEEP_DATA; 16216 } 16217 16218 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16219 outInfo, writeSettings, disabledPs.pkg); 16220 if (!ret) { 16221 return false; 16222 } 16223 16224 // writer 16225 synchronized (mPackages) { 16226 // Reinstate the old system package 16227 enableSystemPackageLPw(disabledPs.pkg); 16228 // Remove any native libraries from the upgraded package. 16229 removeNativeBinariesLI(deletedPs); 16230 } 16231 16232 // Install the system package 16233 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16234 int parseFlags = mDefParseFlags 16235 | PackageParser.PARSE_MUST_BE_APK 16236 | PackageParser.PARSE_IS_SYSTEM 16237 | PackageParser.PARSE_IS_SYSTEM_DIR; 16238 if (locationIsPrivileged(disabledPs.codePath)) { 16239 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16240 } 16241 16242 final PackageParser.Package newPkg; 16243 try { 16244 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16245 } catch (PackageManagerException e) { 16246 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16247 + e.getMessage()); 16248 return false; 16249 } 16250 try { 16251 // update shared libraries for the newly re-installed system package 16252 updateSharedLibrariesLPr(newPkg, null); 16253 } catch (PackageManagerException e) { 16254 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16255 } 16256 16257 prepareAppDataAfterInstallLIF(newPkg); 16258 16259 // writer 16260 synchronized (mPackages) { 16261 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16262 16263 // Propagate the permissions state as we do not want to drop on the floor 16264 // runtime permissions. The update permissions method below will take 16265 // care of removing obsolete permissions and grant install permissions. 16266 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16267 updatePermissionsLPw(newPkg.packageName, newPkg, 16268 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16269 16270 if (applyUserRestrictions) { 16271 if (DEBUG_REMOVE) { 16272 Slog.d(TAG, "Propagating install state across reinstall"); 16273 } 16274 for (int userId : allUserHandles) { 16275 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16276 if (DEBUG_REMOVE) { 16277 Slog.d(TAG, " user " + userId + " => " + installed); 16278 } 16279 ps.setInstalled(installed, userId); 16280 16281 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16282 } 16283 // Regardless of writeSettings we need to ensure that this restriction 16284 // state propagation is persisted 16285 mSettings.writeAllUsersPackageRestrictionsLPr(); 16286 } 16287 // can downgrade to reader here 16288 if (writeSettings) { 16289 mSettings.writeLPr(); 16290 } 16291 } 16292 return true; 16293 } 16294 16295 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16296 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16297 PackageRemovedInfo outInfo, boolean writeSettings, 16298 PackageParser.Package replacingPackage) { 16299 synchronized (mPackages) { 16300 if (outInfo != null) { 16301 outInfo.uid = ps.appId; 16302 } 16303 16304 if (outInfo != null && outInfo.removedChildPackages != null) { 16305 final int childCount = (ps.childPackageNames != null) 16306 ? ps.childPackageNames.size() : 0; 16307 for (int i = 0; i < childCount; i++) { 16308 String childPackageName = ps.childPackageNames.get(i); 16309 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16310 if (childPs == null) { 16311 return false; 16312 } 16313 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16314 childPackageName); 16315 if (childInfo != null) { 16316 childInfo.uid = childPs.appId; 16317 } 16318 } 16319 } 16320 } 16321 16322 // Delete package data from internal structures and also remove data if flag is set 16323 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16324 16325 // Delete the child packages data 16326 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16327 for (int i = 0; i < childCount; i++) { 16328 PackageSetting childPs; 16329 synchronized (mPackages) { 16330 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16331 } 16332 if (childPs != null) { 16333 PackageRemovedInfo childOutInfo = (outInfo != null 16334 && outInfo.removedChildPackages != null) 16335 ? outInfo.removedChildPackages.get(childPs.name) : null; 16336 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16337 && (replacingPackage != null 16338 && !replacingPackage.hasChildPackage(childPs.name)) 16339 ? flags & ~DELETE_KEEP_DATA : flags; 16340 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16341 deleteFlags, writeSettings); 16342 } 16343 } 16344 16345 // Delete application code and resources only for parent packages 16346 if (ps.parentPackageName == null) { 16347 if (deleteCodeAndResources && (outInfo != null)) { 16348 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16349 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16350 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16351 } 16352 } 16353 16354 return true; 16355 } 16356 16357 @Override 16358 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16359 int userId) { 16360 mContext.enforceCallingOrSelfPermission( 16361 android.Manifest.permission.DELETE_PACKAGES, null); 16362 synchronized (mPackages) { 16363 PackageSetting ps = mSettings.mPackages.get(packageName); 16364 if (ps == null) { 16365 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16366 return false; 16367 } 16368 if (!ps.getInstalled(userId)) { 16369 // Can't block uninstall for an app that is not installed or enabled. 16370 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16371 return false; 16372 } 16373 ps.setBlockUninstall(blockUninstall, userId); 16374 mSettings.writePackageRestrictionsLPr(userId); 16375 } 16376 return true; 16377 } 16378 16379 @Override 16380 public boolean getBlockUninstallForUser(String packageName, int userId) { 16381 synchronized (mPackages) { 16382 PackageSetting ps = mSettings.mPackages.get(packageName); 16383 if (ps == null) { 16384 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16385 return false; 16386 } 16387 return ps.getBlockUninstall(userId); 16388 } 16389 } 16390 16391 @Override 16392 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16393 int callingUid = Binder.getCallingUid(); 16394 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16395 throw new SecurityException( 16396 "setRequiredForSystemUser can only be run by the system or root"); 16397 } 16398 synchronized (mPackages) { 16399 PackageSetting ps = mSettings.mPackages.get(packageName); 16400 if (ps == null) { 16401 Log.w(TAG, "Package doesn't exist: " + packageName); 16402 return false; 16403 } 16404 if (systemUserApp) { 16405 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16406 } else { 16407 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16408 } 16409 mSettings.writeLPr(); 16410 } 16411 return true; 16412 } 16413 16414 /* 16415 * This method handles package deletion in general 16416 */ 16417 private boolean deletePackageLIF(String packageName, UserHandle user, 16418 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16419 PackageRemovedInfo outInfo, boolean writeSettings, 16420 PackageParser.Package replacingPackage) { 16421 if (packageName == null) { 16422 Slog.w(TAG, "Attempt to delete null packageName."); 16423 return false; 16424 } 16425 16426 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16427 16428 PackageSetting ps; 16429 16430 synchronized (mPackages) { 16431 ps = mSettings.mPackages.get(packageName); 16432 if (ps == null) { 16433 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16434 return false; 16435 } 16436 16437 if (ps.parentPackageName != null && (!isSystemApp(ps) 16438 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16439 if (DEBUG_REMOVE) { 16440 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16441 + ((user == null) ? UserHandle.USER_ALL : user)); 16442 } 16443 final int removedUserId = (user != null) ? user.getIdentifier() 16444 : UserHandle.USER_ALL; 16445 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16446 return false; 16447 } 16448 markPackageUninstalledForUserLPw(ps, user); 16449 scheduleWritePackageRestrictionsLocked(user); 16450 return true; 16451 } 16452 } 16453 16454 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16455 && user.getIdentifier() != UserHandle.USER_ALL)) { 16456 // The caller is asking that the package only be deleted for a single 16457 // user. To do this, we just mark its uninstalled state and delete 16458 // its data. If this is a system app, we only allow this to happen if 16459 // they have set the special DELETE_SYSTEM_APP which requests different 16460 // semantics than normal for uninstalling system apps. 16461 markPackageUninstalledForUserLPw(ps, user); 16462 16463 if (!isSystemApp(ps)) { 16464 // Do not uninstall the APK if an app should be cached 16465 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16466 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16467 // Other user still have this package installed, so all 16468 // we need to do is clear this user's data and save that 16469 // it is uninstalled. 16470 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16471 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16472 return false; 16473 } 16474 scheduleWritePackageRestrictionsLocked(user); 16475 return true; 16476 } else { 16477 // We need to set it back to 'installed' so the uninstall 16478 // broadcasts will be sent correctly. 16479 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16480 ps.setInstalled(true, user.getIdentifier()); 16481 } 16482 } else { 16483 // This is a system app, so we assume that the 16484 // other users still have this package installed, so all 16485 // we need to do is clear this user's data and save that 16486 // it is uninstalled. 16487 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16488 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16489 return false; 16490 } 16491 scheduleWritePackageRestrictionsLocked(user); 16492 return true; 16493 } 16494 } 16495 16496 // If we are deleting a composite package for all users, keep track 16497 // of result for each child. 16498 if (ps.childPackageNames != null && outInfo != null) { 16499 synchronized (mPackages) { 16500 final int childCount = ps.childPackageNames.size(); 16501 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16502 for (int i = 0; i < childCount; i++) { 16503 String childPackageName = ps.childPackageNames.get(i); 16504 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16505 childInfo.removedPackage = childPackageName; 16506 outInfo.removedChildPackages.put(childPackageName, childInfo); 16507 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 16508 if (childPs != null) { 16509 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16510 } 16511 } 16512 } 16513 } 16514 16515 boolean ret = false; 16516 if (isSystemApp(ps)) { 16517 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16518 // When an updated system application is deleted we delete the existing resources 16519 // as well and fall back to existing code in system partition 16520 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16521 } else { 16522 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16523 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16524 outInfo, writeSettings, replacingPackage); 16525 } 16526 16527 // Take a note whether we deleted the package for all users 16528 if (outInfo != null) { 16529 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16530 if (outInfo.removedChildPackages != null) { 16531 synchronized (mPackages) { 16532 final int childCount = outInfo.removedChildPackages.size(); 16533 for (int i = 0; i < childCount; i++) { 16534 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16535 if (childInfo != null) { 16536 childInfo.removedForAllUsers = mPackages.get( 16537 childInfo.removedPackage) == null; 16538 } 16539 } 16540 } 16541 } 16542 // If we uninstalled an update to a system app there may be some 16543 // child packages that appeared as they are declared in the system 16544 // app but were not declared in the update. 16545 if (isSystemApp(ps)) { 16546 synchronized (mPackages) { 16547 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 16548 final int childCount = (updatedPs.childPackageNames != null) 16549 ? updatedPs.childPackageNames.size() : 0; 16550 for (int i = 0; i < childCount; i++) { 16551 String childPackageName = updatedPs.childPackageNames.get(i); 16552 if (outInfo.removedChildPackages == null 16553 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16554 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 16555 if (childPs == null) { 16556 continue; 16557 } 16558 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16559 installRes.name = childPackageName; 16560 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16561 installRes.pkg = mPackages.get(childPackageName); 16562 installRes.uid = childPs.pkg.applicationInfo.uid; 16563 if (outInfo.appearedChildPackages == null) { 16564 outInfo.appearedChildPackages = new ArrayMap<>(); 16565 } 16566 outInfo.appearedChildPackages.put(childPackageName, installRes); 16567 } 16568 } 16569 } 16570 } 16571 } 16572 16573 return ret; 16574 } 16575 16576 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16577 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16578 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16579 for (int nextUserId : userIds) { 16580 if (DEBUG_REMOVE) { 16581 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16582 } 16583 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16584 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16585 false /*hidden*/, false /*suspended*/, null, null, null, 16586 false /*blockUninstall*/, 16587 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16588 } 16589 } 16590 16591 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16592 PackageRemovedInfo outInfo) { 16593 final PackageParser.Package pkg; 16594 synchronized (mPackages) { 16595 pkg = mPackages.get(ps.name); 16596 } 16597 16598 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16599 : new int[] {userId}; 16600 for (int nextUserId : userIds) { 16601 if (DEBUG_REMOVE) { 16602 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16603 + nextUserId); 16604 } 16605 16606 destroyAppDataLIF(pkg, userId, 16607 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16608 destroyAppProfilesLIF(pkg, userId); 16609 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16610 schedulePackageCleaning(ps.name, nextUserId, false); 16611 synchronized (mPackages) { 16612 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16613 scheduleWritePackageRestrictionsLocked(nextUserId); 16614 } 16615 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16616 } 16617 } 16618 16619 if (outInfo != null) { 16620 outInfo.removedPackage = ps.name; 16621 outInfo.removedAppId = ps.appId; 16622 outInfo.removedUsers = userIds; 16623 } 16624 16625 return true; 16626 } 16627 16628 private final class ClearStorageConnection implements ServiceConnection { 16629 IMediaContainerService mContainerService; 16630 16631 @Override 16632 public void onServiceConnected(ComponentName name, IBinder service) { 16633 synchronized (this) { 16634 mContainerService = IMediaContainerService.Stub 16635 .asInterface(Binder.allowBlocking(service)); 16636 notifyAll(); 16637 } 16638 } 16639 16640 @Override 16641 public void onServiceDisconnected(ComponentName name) { 16642 } 16643 } 16644 16645 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16646 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16647 16648 final boolean mounted; 16649 if (Environment.isExternalStorageEmulated()) { 16650 mounted = true; 16651 } else { 16652 final String status = Environment.getExternalStorageState(); 16653 16654 mounted = status.equals(Environment.MEDIA_MOUNTED) 16655 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16656 } 16657 16658 if (!mounted) { 16659 return; 16660 } 16661 16662 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16663 int[] users; 16664 if (userId == UserHandle.USER_ALL) { 16665 users = sUserManager.getUserIds(); 16666 } else { 16667 users = new int[] { userId }; 16668 } 16669 final ClearStorageConnection conn = new ClearStorageConnection(); 16670 if (mContext.bindServiceAsUser( 16671 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16672 try { 16673 for (int curUser : users) { 16674 long timeout = SystemClock.uptimeMillis() + 5000; 16675 synchronized (conn) { 16676 long now; 16677 while (conn.mContainerService == null && 16678 (now = SystemClock.uptimeMillis()) < timeout) { 16679 try { 16680 conn.wait(timeout - now); 16681 } catch (InterruptedException e) { 16682 } 16683 } 16684 } 16685 if (conn.mContainerService == null) { 16686 return; 16687 } 16688 16689 final UserEnvironment userEnv = new UserEnvironment(curUser); 16690 clearDirectory(conn.mContainerService, 16691 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16692 if (allData) { 16693 clearDirectory(conn.mContainerService, 16694 userEnv.buildExternalStorageAppDataDirs(packageName)); 16695 clearDirectory(conn.mContainerService, 16696 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16697 } 16698 } 16699 } finally { 16700 mContext.unbindService(conn); 16701 } 16702 } 16703 } 16704 16705 @Override 16706 public void clearApplicationProfileData(String packageName) { 16707 enforceSystemOrRoot("Only the system can clear all profile data"); 16708 16709 final PackageParser.Package pkg; 16710 synchronized (mPackages) { 16711 pkg = mPackages.get(packageName); 16712 } 16713 16714 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16715 synchronized (mInstallLock) { 16716 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16717 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16718 true /* removeBaseMarker */); 16719 } 16720 } 16721 } 16722 16723 @Override 16724 public void clearApplicationUserData(final String packageName, 16725 final IPackageDataObserver observer, final int userId) { 16726 mContext.enforceCallingOrSelfPermission( 16727 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16728 16729 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16730 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16731 16732 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16733 throw new SecurityException("Cannot clear data for a protected package: " 16734 + packageName); 16735 } 16736 // Queue up an async operation since the package deletion may take a little while. 16737 mHandler.post(new Runnable() { 16738 public void run() { 16739 mHandler.removeCallbacks(this); 16740 final boolean succeeded; 16741 try (PackageFreezer freezer = freezePackage(packageName, 16742 "clearApplicationUserData")) { 16743 synchronized (mInstallLock) { 16744 succeeded = clearApplicationUserDataLIF(packageName, userId); 16745 } 16746 clearExternalStorageDataSync(packageName, userId, true); 16747 } 16748 if (succeeded) { 16749 // invoke DeviceStorageMonitor's update method to clear any notifications 16750 DeviceStorageMonitorInternal dsm = LocalServices 16751 .getService(DeviceStorageMonitorInternal.class); 16752 if (dsm != null) { 16753 dsm.checkMemory(); 16754 } 16755 } 16756 if(observer != null) { 16757 try { 16758 observer.onRemoveCompleted(packageName, succeeded); 16759 } catch (RemoteException e) { 16760 Log.i(TAG, "Observer no longer exists."); 16761 } 16762 } //end if observer 16763 } //end run 16764 }); 16765 } 16766 16767 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16768 if (packageName == null) { 16769 Slog.w(TAG, "Attempt to delete null packageName."); 16770 return false; 16771 } 16772 16773 // Try finding details about the requested package 16774 PackageParser.Package pkg; 16775 synchronized (mPackages) { 16776 pkg = mPackages.get(packageName); 16777 if (pkg == null) { 16778 final PackageSetting ps = mSettings.mPackages.get(packageName); 16779 if (ps != null) { 16780 pkg = ps.pkg; 16781 } 16782 } 16783 16784 if (pkg == null) { 16785 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16786 return false; 16787 } 16788 16789 PackageSetting ps = (PackageSetting) pkg.mExtras; 16790 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16791 } 16792 16793 clearAppDataLIF(pkg, userId, 16794 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16795 16796 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16797 removeKeystoreDataIfNeeded(userId, appId); 16798 16799 UserManagerInternal umInternal = getUserManagerInternal(); 16800 final int flags; 16801 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16802 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16803 } else if (umInternal.isUserRunning(userId)) { 16804 flags = StorageManager.FLAG_STORAGE_DE; 16805 } else { 16806 flags = 0; 16807 } 16808 prepareAppDataContentsLIF(pkg, userId, flags); 16809 16810 return true; 16811 } 16812 16813 /** 16814 * Reverts user permission state changes (permissions and flags) in 16815 * all packages for a given user. 16816 * 16817 * @param userId The device user for which to do a reset. 16818 */ 16819 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16820 final int packageCount = mPackages.size(); 16821 for (int i = 0; i < packageCount; i++) { 16822 PackageParser.Package pkg = mPackages.valueAt(i); 16823 PackageSetting ps = (PackageSetting) pkg.mExtras; 16824 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16825 } 16826 } 16827 16828 private void resetNetworkPolicies(int userId) { 16829 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16830 } 16831 16832 /** 16833 * Reverts user permission state changes (permissions and flags). 16834 * 16835 * @param ps The package for which to reset. 16836 * @param userId The device user for which to do a reset. 16837 */ 16838 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16839 final PackageSetting ps, final int userId) { 16840 if (ps.pkg == null) { 16841 return; 16842 } 16843 16844 // These are flags that can change base on user actions. 16845 final int userSettableMask = FLAG_PERMISSION_USER_SET 16846 | FLAG_PERMISSION_USER_FIXED 16847 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16848 | FLAG_PERMISSION_REVIEW_REQUIRED; 16849 16850 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16851 | FLAG_PERMISSION_POLICY_FIXED; 16852 16853 boolean writeInstallPermissions = false; 16854 boolean writeRuntimePermissions = false; 16855 16856 final int permissionCount = ps.pkg.requestedPermissions.size(); 16857 for (int i = 0; i < permissionCount; i++) { 16858 String permission = ps.pkg.requestedPermissions.get(i); 16859 16860 BasePermission bp = mSettings.mPermissions.get(permission); 16861 if (bp == null) { 16862 continue; 16863 } 16864 16865 // If shared user we just reset the state to which only this app contributed. 16866 if (ps.sharedUser != null) { 16867 boolean used = false; 16868 final int packageCount = ps.sharedUser.packages.size(); 16869 for (int j = 0; j < packageCount; j++) { 16870 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16871 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16872 && pkg.pkg.requestedPermissions.contains(permission)) { 16873 used = true; 16874 break; 16875 } 16876 } 16877 if (used) { 16878 continue; 16879 } 16880 } 16881 16882 PermissionsState permissionsState = ps.getPermissionsState(); 16883 16884 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16885 16886 // Always clear the user settable flags. 16887 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16888 bp.name) != null; 16889 // If permission review is enabled and this is a legacy app, mark the 16890 // permission as requiring a review as this is the initial state. 16891 int flags = 0; 16892 if (mPermissionReviewRequired 16893 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16894 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16895 } 16896 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16897 if (hasInstallState) { 16898 writeInstallPermissions = true; 16899 } else { 16900 writeRuntimePermissions = true; 16901 } 16902 } 16903 16904 // Below is only runtime permission handling. 16905 if (!bp.isRuntime()) { 16906 continue; 16907 } 16908 16909 // Never clobber system or policy. 16910 if ((oldFlags & policyOrSystemFlags) != 0) { 16911 continue; 16912 } 16913 16914 // If this permission was granted by default, make sure it is. 16915 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16916 if (permissionsState.grantRuntimePermission(bp, userId) 16917 != PERMISSION_OPERATION_FAILURE) { 16918 writeRuntimePermissions = true; 16919 } 16920 // If permission review is enabled the permissions for a legacy apps 16921 // are represented as constantly granted runtime ones, so don't revoke. 16922 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16923 // Otherwise, reset the permission. 16924 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16925 switch (revokeResult) { 16926 case PERMISSION_OPERATION_SUCCESS: 16927 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16928 writeRuntimePermissions = true; 16929 final int appId = ps.appId; 16930 mHandler.post(new Runnable() { 16931 @Override 16932 public void run() { 16933 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16934 } 16935 }); 16936 } break; 16937 } 16938 } 16939 } 16940 16941 // Synchronously write as we are taking permissions away. 16942 if (writeRuntimePermissions) { 16943 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16944 } 16945 16946 // Synchronously write as we are taking permissions away. 16947 if (writeInstallPermissions) { 16948 mSettings.writeLPr(); 16949 } 16950 } 16951 16952 /** 16953 * Remove entries from the keystore daemon. Will only remove it if the 16954 * {@code appId} is valid. 16955 */ 16956 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16957 if (appId < 0) { 16958 return; 16959 } 16960 16961 final KeyStore keyStore = KeyStore.getInstance(); 16962 if (keyStore != null) { 16963 if (userId == UserHandle.USER_ALL) { 16964 for (final int individual : sUserManager.getUserIds()) { 16965 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16966 } 16967 } else { 16968 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16969 } 16970 } else { 16971 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16972 } 16973 } 16974 16975 @Override 16976 public void deleteApplicationCacheFiles(final String packageName, 16977 final IPackageDataObserver observer) { 16978 final int userId = UserHandle.getCallingUserId(); 16979 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16980 } 16981 16982 @Override 16983 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16984 final IPackageDataObserver observer) { 16985 mContext.enforceCallingOrSelfPermission( 16986 android.Manifest.permission.DELETE_CACHE_FILES, null); 16987 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16988 /* requireFullPermission= */ true, /* checkShell= */ false, 16989 "delete application cache files"); 16990 16991 final PackageParser.Package pkg; 16992 synchronized (mPackages) { 16993 pkg = mPackages.get(packageName); 16994 } 16995 16996 // Queue up an async operation since the package deletion may take a little while. 16997 mHandler.post(new Runnable() { 16998 public void run() { 16999 synchronized (mInstallLock) { 17000 final int flags = StorageManager.FLAG_STORAGE_DE 17001 | StorageManager.FLAG_STORAGE_CE; 17002 // We're only clearing cache files, so we don't care if the 17003 // app is unfrozen and still able to run 17004 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 17005 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 17006 } 17007 clearExternalStorageDataSync(packageName, userId, false); 17008 if (observer != null) { 17009 try { 17010 observer.onRemoveCompleted(packageName, true); 17011 } catch (RemoteException e) { 17012 Log.i(TAG, "Observer no longer exists."); 17013 } 17014 } 17015 } 17016 }); 17017 } 17018 17019 @Override 17020 public void getPackageSizeInfo(final String packageName, int userHandle, 17021 final IPackageStatsObserver observer) { 17022 mContext.enforceCallingOrSelfPermission( 17023 android.Manifest.permission.GET_PACKAGE_SIZE, null); 17024 if (packageName == null) { 17025 throw new IllegalArgumentException("Attempt to get size of null packageName"); 17026 } 17027 17028 PackageStats stats = new PackageStats(packageName, userHandle); 17029 17030 /* 17031 * Queue up an async operation since the package measurement may take a 17032 * little while. 17033 */ 17034 Message msg = mHandler.obtainMessage(INIT_COPY); 17035 msg.obj = new MeasureParams(stats, observer); 17036 mHandler.sendMessage(msg); 17037 } 17038 17039 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 17040 final PackageSetting ps; 17041 synchronized (mPackages) { 17042 ps = mSettings.mPackages.get(packageName); 17043 if (ps == null) { 17044 Slog.w(TAG, "Failed to find settings for " + packageName); 17045 return false; 17046 } 17047 } 17048 try { 17049 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 17050 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 17051 ps.getCeDataInode(userId), ps.codePathString, stats); 17052 } catch (InstallerException e) { 17053 Slog.w(TAG, String.valueOf(e)); 17054 return false; 17055 } 17056 17057 // For now, ignore code size of packages on system partition 17058 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 17059 stats.codeSize = 0; 17060 } 17061 17062 return true; 17063 } 17064 17065 private int getUidTargetSdkVersionLockedLPr(int uid) { 17066 Object obj = mSettings.getUserIdLPr(uid); 17067 if (obj instanceof SharedUserSetting) { 17068 final SharedUserSetting sus = (SharedUserSetting) obj; 17069 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 17070 final Iterator<PackageSetting> it = sus.packages.iterator(); 17071 while (it.hasNext()) { 17072 final PackageSetting ps = it.next(); 17073 if (ps.pkg != null) { 17074 int v = ps.pkg.applicationInfo.targetSdkVersion; 17075 if (v < vers) vers = v; 17076 } 17077 } 17078 return vers; 17079 } else if (obj instanceof PackageSetting) { 17080 final PackageSetting ps = (PackageSetting) obj; 17081 if (ps.pkg != null) { 17082 return ps.pkg.applicationInfo.targetSdkVersion; 17083 } 17084 } 17085 return Build.VERSION_CODES.CUR_DEVELOPMENT; 17086 } 17087 17088 @Override 17089 public void addPreferredActivity(IntentFilter filter, int match, 17090 ComponentName[] set, ComponentName activity, int userId) { 17091 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17092 "Adding preferred"); 17093 } 17094 17095 private void addPreferredActivityInternal(IntentFilter filter, int match, 17096 ComponentName[] set, ComponentName activity, boolean always, int userId, 17097 String opname) { 17098 // writer 17099 int callingUid = Binder.getCallingUid(); 17100 enforceCrossUserPermission(callingUid, userId, 17101 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 17102 if (filter.countActions() == 0) { 17103 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17104 return; 17105 } 17106 synchronized (mPackages) { 17107 if (mContext.checkCallingOrSelfPermission( 17108 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17109 != PackageManager.PERMISSION_GRANTED) { 17110 if (getUidTargetSdkVersionLockedLPr(callingUid) 17111 < Build.VERSION_CODES.FROYO) { 17112 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 17113 + callingUid); 17114 return; 17115 } 17116 mContext.enforceCallingOrSelfPermission( 17117 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17118 } 17119 17120 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 17121 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 17122 + userId + ":"); 17123 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17124 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 17125 scheduleWritePackageRestrictionsLocked(userId); 17126 postPreferredActivityChangedBroadcast(userId); 17127 } 17128 } 17129 17130 private void postPreferredActivityChangedBroadcast(int userId) { 17131 mHandler.post(() -> { 17132 final IActivityManager am = ActivityManagerNative.getDefault(); 17133 if (am == null) { 17134 return; 17135 } 17136 17137 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 17138 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17139 try { 17140 am.broadcastIntent(null, intent, null, null, 17141 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17142 null, false, false, userId); 17143 } catch (RemoteException e) { 17144 } 17145 }); 17146 } 17147 17148 @Override 17149 public void replacePreferredActivity(IntentFilter filter, int match, 17150 ComponentName[] set, ComponentName activity, int userId) { 17151 if (filter.countActions() != 1) { 17152 throw new IllegalArgumentException( 17153 "replacePreferredActivity expects filter to have only 1 action."); 17154 } 17155 if (filter.countDataAuthorities() != 0 17156 || filter.countDataPaths() != 0 17157 || filter.countDataSchemes() > 1 17158 || filter.countDataTypes() != 0) { 17159 throw new IllegalArgumentException( 17160 "replacePreferredActivity expects filter to have no data authorities, " + 17161 "paths, or types; and at most one scheme."); 17162 } 17163 17164 final int callingUid = Binder.getCallingUid(); 17165 enforceCrossUserPermission(callingUid, userId, 17166 true /* requireFullPermission */, false /* checkShell */, 17167 "replace preferred activity"); 17168 synchronized (mPackages) { 17169 if (mContext.checkCallingOrSelfPermission( 17170 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17171 != PackageManager.PERMISSION_GRANTED) { 17172 if (getUidTargetSdkVersionLockedLPr(callingUid) 17173 < Build.VERSION_CODES.FROYO) { 17174 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17175 + Binder.getCallingUid()); 17176 return; 17177 } 17178 mContext.enforceCallingOrSelfPermission( 17179 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17180 } 17181 17182 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17183 if (pir != null) { 17184 // Get all of the existing entries that exactly match this filter. 17185 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17186 if (existing != null && existing.size() == 1) { 17187 PreferredActivity cur = existing.get(0); 17188 if (DEBUG_PREFERRED) { 17189 Slog.i(TAG, "Checking replace of preferred:"); 17190 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17191 if (!cur.mPref.mAlways) { 17192 Slog.i(TAG, " -- CUR; not mAlways!"); 17193 } else { 17194 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17195 Slog.i(TAG, " -- CUR: mSet=" 17196 + Arrays.toString(cur.mPref.mSetComponents)); 17197 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17198 Slog.i(TAG, " -- NEW: mMatch=" 17199 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17200 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17201 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17202 } 17203 } 17204 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17205 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17206 && cur.mPref.sameSet(set)) { 17207 // Setting the preferred activity to what it happens to be already 17208 if (DEBUG_PREFERRED) { 17209 Slog.i(TAG, "Replacing with same preferred activity " 17210 + cur.mPref.mShortComponent + " for user " 17211 + userId + ":"); 17212 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17213 } 17214 return; 17215 } 17216 } 17217 17218 if (existing != null) { 17219 if (DEBUG_PREFERRED) { 17220 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17221 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17222 } 17223 for (int i = 0; i < existing.size(); i++) { 17224 PreferredActivity pa = existing.get(i); 17225 if (DEBUG_PREFERRED) { 17226 Slog.i(TAG, "Removing existing preferred activity " 17227 + pa.mPref.mComponent + ":"); 17228 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17229 } 17230 pir.removeFilter(pa); 17231 } 17232 } 17233 } 17234 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17235 "Replacing preferred"); 17236 } 17237 } 17238 17239 @Override 17240 public void clearPackagePreferredActivities(String packageName) { 17241 final int uid = Binder.getCallingUid(); 17242 // writer 17243 synchronized (mPackages) { 17244 PackageParser.Package pkg = mPackages.get(packageName); 17245 if (pkg == null || pkg.applicationInfo.uid != uid) { 17246 if (mContext.checkCallingOrSelfPermission( 17247 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17248 != PackageManager.PERMISSION_GRANTED) { 17249 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17250 < Build.VERSION_CODES.FROYO) { 17251 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17252 + Binder.getCallingUid()); 17253 return; 17254 } 17255 mContext.enforceCallingOrSelfPermission( 17256 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17257 } 17258 } 17259 17260 int user = UserHandle.getCallingUserId(); 17261 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17262 scheduleWritePackageRestrictionsLocked(user); 17263 } 17264 } 17265 } 17266 17267 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17268 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17269 ArrayList<PreferredActivity> removed = null; 17270 boolean changed = false; 17271 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17272 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17273 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17274 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17275 continue; 17276 } 17277 Iterator<PreferredActivity> it = pir.filterIterator(); 17278 while (it.hasNext()) { 17279 PreferredActivity pa = it.next(); 17280 // Mark entry for removal only if it matches the package name 17281 // and the entry is of type "always". 17282 if (packageName == null || 17283 (pa.mPref.mComponent.getPackageName().equals(packageName) 17284 && pa.mPref.mAlways)) { 17285 if (removed == null) { 17286 removed = new ArrayList<PreferredActivity>(); 17287 } 17288 removed.add(pa); 17289 } 17290 } 17291 if (removed != null) { 17292 for (int j=0; j<removed.size(); j++) { 17293 PreferredActivity pa = removed.get(j); 17294 pir.removeFilter(pa); 17295 } 17296 changed = true; 17297 } 17298 } 17299 if (changed) { 17300 postPreferredActivityChangedBroadcast(userId); 17301 } 17302 return changed; 17303 } 17304 17305 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17306 private void clearIntentFilterVerificationsLPw(int userId) { 17307 final int packageCount = mPackages.size(); 17308 for (int i = 0; i < packageCount; i++) { 17309 PackageParser.Package pkg = mPackages.valueAt(i); 17310 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17311 } 17312 } 17313 17314 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17315 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17316 if (userId == UserHandle.USER_ALL) { 17317 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17318 sUserManager.getUserIds())) { 17319 for (int oneUserId : sUserManager.getUserIds()) { 17320 scheduleWritePackageRestrictionsLocked(oneUserId); 17321 } 17322 } 17323 } else { 17324 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17325 scheduleWritePackageRestrictionsLocked(userId); 17326 } 17327 } 17328 } 17329 17330 void clearDefaultBrowserIfNeeded(String packageName) { 17331 for (int oneUserId : sUserManager.getUserIds()) { 17332 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17333 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17334 if (packageName.equals(defaultBrowserPackageName)) { 17335 setDefaultBrowserPackageName(null, oneUserId); 17336 } 17337 } 17338 } 17339 17340 @Override 17341 public void resetApplicationPreferences(int userId) { 17342 mContext.enforceCallingOrSelfPermission( 17343 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17344 final long identity = Binder.clearCallingIdentity(); 17345 // writer 17346 try { 17347 synchronized (mPackages) { 17348 clearPackagePreferredActivitiesLPw(null, userId); 17349 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17350 // TODO: We have to reset the default SMS and Phone. This requires 17351 // significant refactoring to keep all default apps in the package 17352 // manager (cleaner but more work) or have the services provide 17353 // callbacks to the package manager to request a default app reset. 17354 applyFactoryDefaultBrowserLPw(userId); 17355 clearIntentFilterVerificationsLPw(userId); 17356 primeDomainVerificationsLPw(userId); 17357 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17358 scheduleWritePackageRestrictionsLocked(userId); 17359 } 17360 resetNetworkPolicies(userId); 17361 } finally { 17362 Binder.restoreCallingIdentity(identity); 17363 } 17364 } 17365 17366 @Override 17367 public int getPreferredActivities(List<IntentFilter> outFilters, 17368 List<ComponentName> outActivities, String packageName) { 17369 17370 int num = 0; 17371 final int userId = UserHandle.getCallingUserId(); 17372 // reader 17373 synchronized (mPackages) { 17374 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17375 if (pir != null) { 17376 final Iterator<PreferredActivity> it = pir.filterIterator(); 17377 while (it.hasNext()) { 17378 final PreferredActivity pa = it.next(); 17379 if (packageName == null 17380 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17381 && pa.mPref.mAlways)) { 17382 if (outFilters != null) { 17383 outFilters.add(new IntentFilter(pa)); 17384 } 17385 if (outActivities != null) { 17386 outActivities.add(pa.mPref.mComponent); 17387 } 17388 } 17389 } 17390 } 17391 } 17392 17393 return num; 17394 } 17395 17396 @Override 17397 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17398 int userId) { 17399 int callingUid = Binder.getCallingUid(); 17400 if (callingUid != Process.SYSTEM_UID) { 17401 throw new SecurityException( 17402 "addPersistentPreferredActivity can only be run by the system"); 17403 } 17404 if (filter.countActions() == 0) { 17405 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17406 return; 17407 } 17408 synchronized (mPackages) { 17409 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17410 ":"); 17411 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17412 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17413 new PersistentPreferredActivity(filter, activity)); 17414 scheduleWritePackageRestrictionsLocked(userId); 17415 postPreferredActivityChangedBroadcast(userId); 17416 } 17417 } 17418 17419 @Override 17420 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17421 int callingUid = Binder.getCallingUid(); 17422 if (callingUid != Process.SYSTEM_UID) { 17423 throw new SecurityException( 17424 "clearPackagePersistentPreferredActivities can only be run by the system"); 17425 } 17426 ArrayList<PersistentPreferredActivity> removed = null; 17427 boolean changed = false; 17428 synchronized (mPackages) { 17429 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17430 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17431 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17432 .valueAt(i); 17433 if (userId != thisUserId) { 17434 continue; 17435 } 17436 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17437 while (it.hasNext()) { 17438 PersistentPreferredActivity ppa = it.next(); 17439 // Mark entry for removal only if it matches the package name. 17440 if (ppa.mComponent.getPackageName().equals(packageName)) { 17441 if (removed == null) { 17442 removed = new ArrayList<PersistentPreferredActivity>(); 17443 } 17444 removed.add(ppa); 17445 } 17446 } 17447 if (removed != null) { 17448 for (int j=0; j<removed.size(); j++) { 17449 PersistentPreferredActivity ppa = removed.get(j); 17450 ppir.removeFilter(ppa); 17451 } 17452 changed = true; 17453 } 17454 } 17455 17456 if (changed) { 17457 scheduleWritePackageRestrictionsLocked(userId); 17458 postPreferredActivityChangedBroadcast(userId); 17459 } 17460 } 17461 } 17462 17463 /** 17464 * Common machinery for picking apart a restored XML blob and passing 17465 * it to a caller-supplied functor to be applied to the running system. 17466 */ 17467 private void restoreFromXml(XmlPullParser parser, int userId, 17468 String expectedStartTag, BlobXmlRestorer functor) 17469 throws IOException, XmlPullParserException { 17470 int type; 17471 while ((type = parser.next()) != XmlPullParser.START_TAG 17472 && type != XmlPullParser.END_DOCUMENT) { 17473 } 17474 if (type != XmlPullParser.START_TAG) { 17475 // oops didn't find a start tag?! 17476 if (DEBUG_BACKUP) { 17477 Slog.e(TAG, "Didn't find start tag during restore"); 17478 } 17479 return; 17480 } 17481Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17482 // this is supposed to be TAG_PREFERRED_BACKUP 17483 if (!expectedStartTag.equals(parser.getName())) { 17484 if (DEBUG_BACKUP) { 17485 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17486 } 17487 return; 17488 } 17489 17490 // skip interfering stuff, then we're aligned with the backing implementation 17491 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17492Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17493 functor.apply(parser, userId); 17494 } 17495 17496 private interface BlobXmlRestorer { 17497 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17498 } 17499 17500 /** 17501 * Non-Binder method, support for the backup/restore mechanism: write the 17502 * full set of preferred activities in its canonical XML format. Returns the 17503 * XML output as a byte array, or null if there is none. 17504 */ 17505 @Override 17506 public byte[] getPreferredActivityBackup(int userId) { 17507 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17508 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17509 } 17510 17511 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17512 try { 17513 final XmlSerializer serializer = new FastXmlSerializer(); 17514 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17515 serializer.startDocument(null, true); 17516 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17517 17518 synchronized (mPackages) { 17519 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17520 } 17521 17522 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17523 serializer.endDocument(); 17524 serializer.flush(); 17525 } catch (Exception e) { 17526 if (DEBUG_BACKUP) { 17527 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17528 } 17529 return null; 17530 } 17531 17532 return dataStream.toByteArray(); 17533 } 17534 17535 @Override 17536 public void restorePreferredActivities(byte[] backup, int userId) { 17537 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17538 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17539 } 17540 17541 try { 17542 final XmlPullParser parser = Xml.newPullParser(); 17543 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17544 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17545 new BlobXmlRestorer() { 17546 @Override 17547 public void apply(XmlPullParser parser, int userId) 17548 throws XmlPullParserException, IOException { 17549 synchronized (mPackages) { 17550 mSettings.readPreferredActivitiesLPw(parser, userId); 17551 } 17552 } 17553 } ); 17554 } catch (Exception e) { 17555 if (DEBUG_BACKUP) { 17556 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17557 } 17558 } 17559 } 17560 17561 /** 17562 * Non-Binder method, support for the backup/restore mechanism: write the 17563 * default browser (etc) settings in its canonical XML format. Returns the default 17564 * browser XML representation as a byte array, or null if there is none. 17565 */ 17566 @Override 17567 public byte[] getDefaultAppsBackup(int userId) { 17568 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17569 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17570 } 17571 17572 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17573 try { 17574 final XmlSerializer serializer = new FastXmlSerializer(); 17575 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17576 serializer.startDocument(null, true); 17577 serializer.startTag(null, TAG_DEFAULT_APPS); 17578 17579 synchronized (mPackages) { 17580 mSettings.writeDefaultAppsLPr(serializer, userId); 17581 } 17582 17583 serializer.endTag(null, TAG_DEFAULT_APPS); 17584 serializer.endDocument(); 17585 serializer.flush(); 17586 } catch (Exception e) { 17587 if (DEBUG_BACKUP) { 17588 Slog.e(TAG, "Unable to write default apps for backup", e); 17589 } 17590 return null; 17591 } 17592 17593 return dataStream.toByteArray(); 17594 } 17595 17596 @Override 17597 public void restoreDefaultApps(byte[] backup, int userId) { 17598 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17599 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17600 } 17601 17602 try { 17603 final XmlPullParser parser = Xml.newPullParser(); 17604 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17605 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17606 new BlobXmlRestorer() { 17607 @Override 17608 public void apply(XmlPullParser parser, int userId) 17609 throws XmlPullParserException, IOException { 17610 synchronized (mPackages) { 17611 mSettings.readDefaultAppsLPw(parser, userId); 17612 } 17613 } 17614 } ); 17615 } catch (Exception e) { 17616 if (DEBUG_BACKUP) { 17617 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17618 } 17619 } 17620 } 17621 17622 @Override 17623 public byte[] getIntentFilterVerificationBackup(int userId) { 17624 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17625 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17626 } 17627 17628 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17629 try { 17630 final XmlSerializer serializer = new FastXmlSerializer(); 17631 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17632 serializer.startDocument(null, true); 17633 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17634 17635 synchronized (mPackages) { 17636 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17637 } 17638 17639 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17640 serializer.endDocument(); 17641 serializer.flush(); 17642 } catch (Exception e) { 17643 if (DEBUG_BACKUP) { 17644 Slog.e(TAG, "Unable to write default apps for backup", e); 17645 } 17646 return null; 17647 } 17648 17649 return dataStream.toByteArray(); 17650 } 17651 17652 @Override 17653 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17654 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17655 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17656 } 17657 17658 try { 17659 final XmlPullParser parser = Xml.newPullParser(); 17660 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17661 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17662 new BlobXmlRestorer() { 17663 @Override 17664 public void apply(XmlPullParser parser, int userId) 17665 throws XmlPullParserException, IOException { 17666 synchronized (mPackages) { 17667 mSettings.readAllDomainVerificationsLPr(parser, userId); 17668 mSettings.writeLPr(); 17669 } 17670 } 17671 } ); 17672 } catch (Exception e) { 17673 if (DEBUG_BACKUP) { 17674 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17675 } 17676 } 17677 } 17678 17679 @Override 17680 public byte[] getPermissionGrantBackup(int userId) { 17681 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17682 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17683 } 17684 17685 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17686 try { 17687 final XmlSerializer serializer = new FastXmlSerializer(); 17688 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17689 serializer.startDocument(null, true); 17690 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17691 17692 synchronized (mPackages) { 17693 serializeRuntimePermissionGrantsLPr(serializer, userId); 17694 } 17695 17696 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17697 serializer.endDocument(); 17698 serializer.flush(); 17699 } catch (Exception e) { 17700 if (DEBUG_BACKUP) { 17701 Slog.e(TAG, "Unable to write default apps for backup", e); 17702 } 17703 return null; 17704 } 17705 17706 return dataStream.toByteArray(); 17707 } 17708 17709 @Override 17710 public void restorePermissionGrants(byte[] backup, int userId) { 17711 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17712 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17713 } 17714 17715 try { 17716 final XmlPullParser parser = Xml.newPullParser(); 17717 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17718 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17719 new BlobXmlRestorer() { 17720 @Override 17721 public void apply(XmlPullParser parser, int userId) 17722 throws XmlPullParserException, IOException { 17723 synchronized (mPackages) { 17724 processRestoredPermissionGrantsLPr(parser, userId); 17725 } 17726 } 17727 } ); 17728 } catch (Exception e) { 17729 if (DEBUG_BACKUP) { 17730 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17731 } 17732 } 17733 } 17734 17735 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17736 throws IOException { 17737 serializer.startTag(null, TAG_ALL_GRANTS); 17738 17739 final int N = mSettings.mPackages.size(); 17740 for (int i = 0; i < N; i++) { 17741 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17742 boolean pkgGrantsKnown = false; 17743 17744 PermissionsState packagePerms = ps.getPermissionsState(); 17745 17746 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17747 final int grantFlags = state.getFlags(); 17748 // only look at grants that are not system/policy fixed 17749 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17750 final boolean isGranted = state.isGranted(); 17751 // And only back up the user-twiddled state bits 17752 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17753 final String packageName = mSettings.mPackages.keyAt(i); 17754 if (!pkgGrantsKnown) { 17755 serializer.startTag(null, TAG_GRANT); 17756 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17757 pkgGrantsKnown = true; 17758 } 17759 17760 final boolean userSet = 17761 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17762 final boolean userFixed = 17763 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17764 final boolean revoke = 17765 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17766 17767 serializer.startTag(null, TAG_PERMISSION); 17768 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17769 if (isGranted) { 17770 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17771 } 17772 if (userSet) { 17773 serializer.attribute(null, ATTR_USER_SET, "true"); 17774 } 17775 if (userFixed) { 17776 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17777 } 17778 if (revoke) { 17779 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17780 } 17781 serializer.endTag(null, TAG_PERMISSION); 17782 } 17783 } 17784 } 17785 17786 if (pkgGrantsKnown) { 17787 serializer.endTag(null, TAG_GRANT); 17788 } 17789 } 17790 17791 serializer.endTag(null, TAG_ALL_GRANTS); 17792 } 17793 17794 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17795 throws XmlPullParserException, IOException { 17796 String pkgName = null; 17797 int outerDepth = parser.getDepth(); 17798 int type; 17799 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17800 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17801 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17802 continue; 17803 } 17804 17805 final String tagName = parser.getName(); 17806 if (tagName.equals(TAG_GRANT)) { 17807 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17808 if (DEBUG_BACKUP) { 17809 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17810 } 17811 } else if (tagName.equals(TAG_PERMISSION)) { 17812 17813 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17814 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17815 17816 int newFlagSet = 0; 17817 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17818 newFlagSet |= FLAG_PERMISSION_USER_SET; 17819 } 17820 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17821 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17822 } 17823 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17824 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17825 } 17826 if (DEBUG_BACKUP) { 17827 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17828 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17829 } 17830 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17831 if (ps != null) { 17832 // Already installed so we apply the grant immediately 17833 if (DEBUG_BACKUP) { 17834 Slog.v(TAG, " + already installed; applying"); 17835 } 17836 PermissionsState perms = ps.getPermissionsState(); 17837 BasePermission bp = mSettings.mPermissions.get(permName); 17838 if (bp != null) { 17839 if (isGranted) { 17840 perms.grantRuntimePermission(bp, userId); 17841 } 17842 if (newFlagSet != 0) { 17843 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17844 } 17845 } 17846 } else { 17847 // Need to wait for post-restore install to apply the grant 17848 if (DEBUG_BACKUP) { 17849 Slog.v(TAG, " - not yet installed; saving for later"); 17850 } 17851 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17852 isGranted, newFlagSet, userId); 17853 } 17854 } else { 17855 PackageManagerService.reportSettingsProblem(Log.WARN, 17856 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17857 XmlUtils.skipCurrentTag(parser); 17858 } 17859 } 17860 17861 scheduleWriteSettingsLocked(); 17862 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17863 } 17864 17865 @Override 17866 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17867 int sourceUserId, int targetUserId, int flags) { 17868 mContext.enforceCallingOrSelfPermission( 17869 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17870 int callingUid = Binder.getCallingUid(); 17871 enforceOwnerRights(ownerPackage, callingUid); 17872 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17873 if (intentFilter.countActions() == 0) { 17874 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17875 return; 17876 } 17877 synchronized (mPackages) { 17878 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17879 ownerPackage, targetUserId, flags); 17880 CrossProfileIntentResolver resolver = 17881 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17882 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17883 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17884 if (existing != null) { 17885 int size = existing.size(); 17886 for (int i = 0; i < size; i++) { 17887 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17888 return; 17889 } 17890 } 17891 } 17892 resolver.addFilter(newFilter); 17893 scheduleWritePackageRestrictionsLocked(sourceUserId); 17894 } 17895 } 17896 17897 @Override 17898 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17899 mContext.enforceCallingOrSelfPermission( 17900 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17901 int callingUid = Binder.getCallingUid(); 17902 enforceOwnerRights(ownerPackage, callingUid); 17903 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17904 synchronized (mPackages) { 17905 CrossProfileIntentResolver resolver = 17906 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17907 ArraySet<CrossProfileIntentFilter> set = 17908 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17909 for (CrossProfileIntentFilter filter : set) { 17910 if (filter.getOwnerPackage().equals(ownerPackage)) { 17911 resolver.removeFilter(filter); 17912 } 17913 } 17914 scheduleWritePackageRestrictionsLocked(sourceUserId); 17915 } 17916 } 17917 17918 // Enforcing that callingUid is owning pkg on userId 17919 private void enforceOwnerRights(String pkg, int callingUid) { 17920 // The system owns everything. 17921 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17922 return; 17923 } 17924 int callingUserId = UserHandle.getUserId(callingUid); 17925 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17926 if (pi == null) { 17927 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17928 + callingUserId); 17929 } 17930 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17931 throw new SecurityException("Calling uid " + callingUid 17932 + " does not own package " + pkg); 17933 } 17934 } 17935 17936 @Override 17937 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17938 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17939 } 17940 17941 private Intent getHomeIntent() { 17942 Intent intent = new Intent(Intent.ACTION_MAIN); 17943 intent.addCategory(Intent.CATEGORY_HOME); 17944 intent.addCategory(Intent.CATEGORY_DEFAULT); 17945 return intent; 17946 } 17947 17948 private IntentFilter getHomeFilter() { 17949 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17950 filter.addCategory(Intent.CATEGORY_HOME); 17951 filter.addCategory(Intent.CATEGORY_DEFAULT); 17952 return filter; 17953 } 17954 17955 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17956 int userId) { 17957 Intent intent = getHomeIntent(); 17958 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17959 PackageManager.GET_META_DATA, userId); 17960 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17961 true, false, false, userId); 17962 17963 allHomeCandidates.clear(); 17964 if (list != null) { 17965 for (ResolveInfo ri : list) { 17966 allHomeCandidates.add(ri); 17967 } 17968 } 17969 return (preferred == null || preferred.activityInfo == null) 17970 ? null 17971 : new ComponentName(preferred.activityInfo.packageName, 17972 preferred.activityInfo.name); 17973 } 17974 17975 @Override 17976 public void setHomeActivity(ComponentName comp, int userId) { 17977 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17978 getHomeActivitiesAsUser(homeActivities, userId); 17979 17980 boolean found = false; 17981 17982 final int size = homeActivities.size(); 17983 final ComponentName[] set = new ComponentName[size]; 17984 for (int i = 0; i < size; i++) { 17985 final ResolveInfo candidate = homeActivities.get(i); 17986 final ActivityInfo info = candidate.activityInfo; 17987 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17988 set[i] = activityName; 17989 if (!found && activityName.equals(comp)) { 17990 found = true; 17991 } 17992 } 17993 if (!found) { 17994 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17995 + userId); 17996 } 17997 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17998 set, comp, userId); 17999 } 18000 18001 private @Nullable String getSetupWizardPackageName() { 18002 final Intent intent = new Intent(Intent.ACTION_MAIN); 18003 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 18004 18005 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18006 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18007 | MATCH_DISABLED_COMPONENTS, 18008 UserHandle.myUserId()); 18009 if (matches.size() == 1) { 18010 return matches.get(0).getComponentInfo().packageName; 18011 } else { 18012 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 18013 + ": matches=" + matches); 18014 return null; 18015 } 18016 } 18017 18018 private @Nullable String getStorageManagerPackageName() { 18019 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 18020 18021 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18022 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18023 | MATCH_DISABLED_COMPONENTS, 18024 UserHandle.myUserId()); 18025 if (matches.size() == 1) { 18026 return matches.get(0).getComponentInfo().packageName; 18027 } else { 18028 Slog.e(TAG, "There should probably be exactly one storage manager; found " 18029 + matches.size() + ": matches=" + matches); 18030 return null; 18031 } 18032 } 18033 18034 @Override 18035 public void setApplicationEnabledSetting(String appPackageName, 18036 int newState, int flags, int userId, String callingPackage) { 18037 if (!sUserManager.exists(userId)) return; 18038 if (callingPackage == null) { 18039 callingPackage = Integer.toString(Binder.getCallingUid()); 18040 } 18041 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 18042 } 18043 18044 @Override 18045 public void setComponentEnabledSetting(ComponentName componentName, 18046 int newState, int flags, int userId) { 18047 if (!sUserManager.exists(userId)) return; 18048 setEnabledSetting(componentName.getPackageName(), 18049 componentName.getClassName(), newState, flags, userId, null); 18050 } 18051 18052 private void setEnabledSetting(final String packageName, String className, int newState, 18053 final int flags, int userId, String callingPackage) { 18054 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 18055 || newState == COMPONENT_ENABLED_STATE_ENABLED 18056 || newState == COMPONENT_ENABLED_STATE_DISABLED 18057 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18058 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 18059 throw new IllegalArgumentException("Invalid new component state: " 18060 + newState); 18061 } 18062 PackageSetting pkgSetting; 18063 final int uid = Binder.getCallingUid(); 18064 final int permission; 18065 if (uid == Process.SYSTEM_UID) { 18066 permission = PackageManager.PERMISSION_GRANTED; 18067 } else { 18068 permission = mContext.checkCallingOrSelfPermission( 18069 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18070 } 18071 enforceCrossUserPermission(uid, userId, 18072 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 18073 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18074 boolean sendNow = false; 18075 boolean isApp = (className == null); 18076 String componentName = isApp ? packageName : className; 18077 int packageUid = -1; 18078 ArrayList<String> components; 18079 18080 // writer 18081 synchronized (mPackages) { 18082 pkgSetting = mSettings.mPackages.get(packageName); 18083 if (pkgSetting == null) { 18084 if (className == null) { 18085 throw new IllegalArgumentException("Unknown package: " + packageName); 18086 } 18087 throw new IllegalArgumentException( 18088 "Unknown component: " + packageName + "/" + className); 18089 } 18090 } 18091 18092 // Limit who can change which apps 18093 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 18094 // Don't allow apps that don't have permission to modify other apps 18095 if (!allowedByPermission) { 18096 throw new SecurityException( 18097 "Permission Denial: attempt to change component state from pid=" 18098 + Binder.getCallingPid() 18099 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 18100 } 18101 // Don't allow changing protected packages. 18102 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 18103 throw new SecurityException("Cannot disable a protected package: " + packageName); 18104 } 18105 } 18106 18107 synchronized (mPackages) { 18108 if (uid == Process.SHELL_UID 18109 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 18110 // Shell can only change whole packages between ENABLED and DISABLED_USER states 18111 // unless it is a test package. 18112 int oldState = pkgSetting.getEnabled(userId); 18113 if (className == null 18114 && 18115 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 18116 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 18117 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 18118 && 18119 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18120 || newState == COMPONENT_ENABLED_STATE_DEFAULT 18121 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 18122 // ok 18123 } else { 18124 throw new SecurityException( 18125 "Shell cannot change component state for " + packageName + "/" 18126 + className + " to " + newState); 18127 } 18128 } 18129 if (className == null) { 18130 // We're dealing with an application/package level state change 18131 if (pkgSetting.getEnabled(userId) == newState) { 18132 // Nothing to do 18133 return; 18134 } 18135 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 18136 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 18137 // Don't care about who enables an app. 18138 callingPackage = null; 18139 } 18140 pkgSetting.setEnabled(newState, userId, callingPackage); 18141 // pkgSetting.pkg.mSetEnabled = newState; 18142 } else { 18143 // We're dealing with a component level state change 18144 // First, verify that this is a valid class name. 18145 PackageParser.Package pkg = pkgSetting.pkg; 18146 if (pkg == null || !pkg.hasComponentClassName(className)) { 18147 if (pkg != null && 18148 pkg.applicationInfo.targetSdkVersion >= 18149 Build.VERSION_CODES.JELLY_BEAN) { 18150 throw new IllegalArgumentException("Component class " + className 18151 + " does not exist in " + packageName); 18152 } else { 18153 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18154 + className + " does not exist in " + packageName); 18155 } 18156 } 18157 switch (newState) { 18158 case COMPONENT_ENABLED_STATE_ENABLED: 18159 if (!pkgSetting.enableComponentLPw(className, userId)) { 18160 return; 18161 } 18162 break; 18163 case COMPONENT_ENABLED_STATE_DISABLED: 18164 if (!pkgSetting.disableComponentLPw(className, userId)) { 18165 return; 18166 } 18167 break; 18168 case COMPONENT_ENABLED_STATE_DEFAULT: 18169 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18170 return; 18171 } 18172 break; 18173 default: 18174 Slog.e(TAG, "Invalid new component state: " + newState); 18175 return; 18176 } 18177 } 18178 scheduleWritePackageRestrictionsLocked(userId); 18179 components = mPendingBroadcasts.get(userId, packageName); 18180 final boolean newPackage = components == null; 18181 if (newPackage) { 18182 components = new ArrayList<String>(); 18183 } 18184 if (!components.contains(componentName)) { 18185 components.add(componentName); 18186 } 18187 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18188 sendNow = true; 18189 // Purge entry from pending broadcast list if another one exists already 18190 // since we are sending one right away. 18191 mPendingBroadcasts.remove(userId, packageName); 18192 } else { 18193 if (newPackage) { 18194 mPendingBroadcasts.put(userId, packageName, components); 18195 } 18196 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18197 // Schedule a message 18198 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18199 } 18200 } 18201 } 18202 18203 long callingId = Binder.clearCallingIdentity(); 18204 try { 18205 if (sendNow) { 18206 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18207 sendPackageChangedBroadcast(packageName, 18208 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18209 } 18210 } finally { 18211 Binder.restoreCallingIdentity(callingId); 18212 } 18213 } 18214 18215 @Override 18216 public void flushPackageRestrictionsAsUser(int userId) { 18217 if (!sUserManager.exists(userId)) { 18218 return; 18219 } 18220 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18221 false /* checkShell */, "flushPackageRestrictions"); 18222 synchronized (mPackages) { 18223 mSettings.writePackageRestrictionsLPr(userId); 18224 mDirtyUsers.remove(userId); 18225 if (mDirtyUsers.isEmpty()) { 18226 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18227 } 18228 } 18229 } 18230 18231 private void sendPackageChangedBroadcast(String packageName, 18232 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18233 if (DEBUG_INSTALL) 18234 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18235 + componentNames); 18236 Bundle extras = new Bundle(4); 18237 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18238 String nameList[] = new String[componentNames.size()]; 18239 componentNames.toArray(nameList); 18240 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18241 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18242 extras.putInt(Intent.EXTRA_UID, packageUid); 18243 // If this is not reporting a change of the overall package, then only send it 18244 // to registered receivers. We don't want to launch a swath of apps for every 18245 // little component state change. 18246 final int flags = !componentNames.contains(packageName) 18247 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18248 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18249 new int[] {UserHandle.getUserId(packageUid)}); 18250 } 18251 18252 @Override 18253 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18254 if (!sUserManager.exists(userId)) return; 18255 final int uid = Binder.getCallingUid(); 18256 final int permission = mContext.checkCallingOrSelfPermission( 18257 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18258 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18259 enforceCrossUserPermission(uid, userId, 18260 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18261 // writer 18262 synchronized (mPackages) { 18263 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18264 allowedByPermission, uid, userId)) { 18265 scheduleWritePackageRestrictionsLocked(userId); 18266 } 18267 } 18268 } 18269 18270 @Override 18271 public String getInstallerPackageName(String packageName) { 18272 // reader 18273 synchronized (mPackages) { 18274 return mSettings.getInstallerPackageNameLPr(packageName); 18275 } 18276 } 18277 18278 public boolean isOrphaned(String packageName) { 18279 // reader 18280 synchronized (mPackages) { 18281 return mSettings.isOrphaned(packageName); 18282 } 18283 } 18284 18285 @Override 18286 public int getApplicationEnabledSetting(String packageName, int userId) { 18287 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18288 int uid = Binder.getCallingUid(); 18289 enforceCrossUserPermission(uid, userId, 18290 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18291 // reader 18292 synchronized (mPackages) { 18293 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18294 } 18295 } 18296 18297 @Override 18298 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18299 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18300 int uid = Binder.getCallingUid(); 18301 enforceCrossUserPermission(uid, userId, 18302 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18303 // reader 18304 synchronized (mPackages) { 18305 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18306 } 18307 } 18308 18309 @Override 18310 public void enterSafeMode() { 18311 enforceSystemOrRoot("Only the system can request entering safe mode"); 18312 18313 if (!mSystemReady) { 18314 mSafeMode = true; 18315 } 18316 } 18317 18318 @Override 18319 public void systemReady() { 18320 mSystemReady = true; 18321 18322 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18323 // disabled after already being started. 18324 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18325 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18326 18327 // Read the compatibilty setting when the system is ready. 18328 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18329 mContext.getContentResolver(), 18330 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18331 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18332 if (DEBUG_SETTINGS) { 18333 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18334 } 18335 18336 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18337 18338 synchronized (mPackages) { 18339 // Verify that all of the preferred activity components actually 18340 // exist. It is possible for applications to be updated and at 18341 // that point remove a previously declared activity component that 18342 // had been set as a preferred activity. We try to clean this up 18343 // the next time we encounter that preferred activity, but it is 18344 // possible for the user flow to never be able to return to that 18345 // situation so here we do a sanity check to make sure we haven't 18346 // left any junk around. 18347 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18348 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18349 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18350 removed.clear(); 18351 for (PreferredActivity pa : pir.filterSet()) { 18352 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18353 removed.add(pa); 18354 } 18355 } 18356 if (removed.size() > 0) { 18357 for (int r=0; r<removed.size(); r++) { 18358 PreferredActivity pa = removed.get(r); 18359 Slog.w(TAG, "Removing dangling preferred activity: " 18360 + pa.mPref.mComponent); 18361 pir.removeFilter(pa); 18362 } 18363 mSettings.writePackageRestrictionsLPr( 18364 mSettings.mPreferredActivities.keyAt(i)); 18365 } 18366 } 18367 18368 for (int userId : UserManagerService.getInstance().getUserIds()) { 18369 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18370 grantPermissionsUserIds = ArrayUtils.appendInt( 18371 grantPermissionsUserIds, userId); 18372 } 18373 } 18374 } 18375 sUserManager.systemReady(); 18376 18377 // If we upgraded grant all default permissions before kicking off. 18378 for (int userId : grantPermissionsUserIds) { 18379 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18380 } 18381 18382 // If we did not grant default permissions, we preload from this the 18383 // default permission exceptions lazily to ensure we don't hit the 18384 // disk on a new user creation. 18385 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18386 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18387 } 18388 18389 // Kick off any messages waiting for system ready 18390 if (mPostSystemReadyMessages != null) { 18391 for (Message msg : mPostSystemReadyMessages) { 18392 msg.sendToTarget(); 18393 } 18394 mPostSystemReadyMessages = null; 18395 } 18396 18397 // Watch for external volumes that come and go over time 18398 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18399 storage.registerListener(mStorageListener); 18400 18401 mInstallerService.systemReady(); 18402 mPackageDexOptimizer.systemReady(); 18403 18404 MountServiceInternal mountServiceInternal = LocalServices.getService( 18405 MountServiceInternal.class); 18406 mountServiceInternal.addExternalStoragePolicy( 18407 new MountServiceInternal.ExternalStorageMountPolicy() { 18408 @Override 18409 public int getMountMode(int uid, String packageName) { 18410 if (Process.isIsolated(uid)) { 18411 return Zygote.MOUNT_EXTERNAL_NONE; 18412 } 18413 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18414 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18415 } 18416 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18417 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18418 } 18419 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18420 return Zygote.MOUNT_EXTERNAL_READ; 18421 } 18422 return Zygote.MOUNT_EXTERNAL_WRITE; 18423 } 18424 18425 @Override 18426 public boolean hasExternalStorage(int uid, String packageName) { 18427 return true; 18428 } 18429 }); 18430 18431 // Now that we're mostly running, clean up stale users and apps 18432 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18433 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18434 } 18435 18436 @Override 18437 public boolean isSafeMode() { 18438 return mSafeMode; 18439 } 18440 18441 @Override 18442 public boolean hasSystemUidErrors() { 18443 return mHasSystemUidErrors; 18444 } 18445 18446 static String arrayToString(int[] array) { 18447 StringBuffer buf = new StringBuffer(128); 18448 buf.append('['); 18449 if (array != null) { 18450 for (int i=0; i<array.length; i++) { 18451 if (i > 0) buf.append(", "); 18452 buf.append(array[i]); 18453 } 18454 } 18455 buf.append(']'); 18456 return buf.toString(); 18457 } 18458 18459 static class DumpState { 18460 public static final int DUMP_LIBS = 1 << 0; 18461 public static final int DUMP_FEATURES = 1 << 1; 18462 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18463 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18464 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18465 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18466 public static final int DUMP_PERMISSIONS = 1 << 6; 18467 public static final int DUMP_PACKAGES = 1 << 7; 18468 public static final int DUMP_SHARED_USERS = 1 << 8; 18469 public static final int DUMP_MESSAGES = 1 << 9; 18470 public static final int DUMP_PROVIDERS = 1 << 10; 18471 public static final int DUMP_VERIFIERS = 1 << 11; 18472 public static final int DUMP_PREFERRED = 1 << 12; 18473 public static final int DUMP_PREFERRED_XML = 1 << 13; 18474 public static final int DUMP_KEYSETS = 1 << 14; 18475 public static final int DUMP_VERSION = 1 << 15; 18476 public static final int DUMP_INSTALLS = 1 << 16; 18477 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18478 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18479 public static final int DUMP_FROZEN = 1 << 19; 18480 public static final int DUMP_DEXOPT = 1 << 20; 18481 public static final int DUMP_COMPILER_STATS = 1 << 21; 18482 18483 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18484 18485 private int mTypes; 18486 18487 private int mOptions; 18488 18489 private boolean mTitlePrinted; 18490 18491 private SharedUserSetting mSharedUser; 18492 18493 public boolean isDumping(int type) { 18494 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18495 return true; 18496 } 18497 18498 return (mTypes & type) != 0; 18499 } 18500 18501 public void setDump(int type) { 18502 mTypes |= type; 18503 } 18504 18505 public boolean isOptionEnabled(int option) { 18506 return (mOptions & option) != 0; 18507 } 18508 18509 public void setOptionEnabled(int option) { 18510 mOptions |= option; 18511 } 18512 18513 public boolean onTitlePrinted() { 18514 final boolean printed = mTitlePrinted; 18515 mTitlePrinted = true; 18516 return printed; 18517 } 18518 18519 public boolean getTitlePrinted() { 18520 return mTitlePrinted; 18521 } 18522 18523 public void setTitlePrinted(boolean enabled) { 18524 mTitlePrinted = enabled; 18525 } 18526 18527 public SharedUserSetting getSharedUser() { 18528 return mSharedUser; 18529 } 18530 18531 public void setSharedUser(SharedUserSetting user) { 18532 mSharedUser = user; 18533 } 18534 } 18535 18536 @Override 18537 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18538 FileDescriptor err, String[] args, ShellCallback callback, 18539 ResultReceiver resultReceiver) { 18540 (new PackageManagerShellCommand(this)).exec( 18541 this, in, out, err, args, callback, resultReceiver); 18542 } 18543 18544 @Override 18545 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18546 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18547 != PackageManager.PERMISSION_GRANTED) { 18548 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18549 + Binder.getCallingPid() 18550 + ", uid=" + Binder.getCallingUid() 18551 + " without permission " 18552 + android.Manifest.permission.DUMP); 18553 return; 18554 } 18555 18556 DumpState dumpState = new DumpState(); 18557 boolean fullPreferred = false; 18558 boolean checkin = false; 18559 18560 String packageName = null; 18561 ArraySet<String> permissionNames = null; 18562 18563 int opti = 0; 18564 while (opti < args.length) { 18565 String opt = args[opti]; 18566 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18567 break; 18568 } 18569 opti++; 18570 18571 if ("-a".equals(opt)) { 18572 // Right now we only know how to print all. 18573 } else if ("-h".equals(opt)) { 18574 pw.println("Package manager dump options:"); 18575 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18576 pw.println(" --checkin: dump for a checkin"); 18577 pw.println(" -f: print details of intent filters"); 18578 pw.println(" -h: print this help"); 18579 pw.println(" cmd may be one of:"); 18580 pw.println(" l[ibraries]: list known shared libraries"); 18581 pw.println(" f[eatures]: list device features"); 18582 pw.println(" k[eysets]: print known keysets"); 18583 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18584 pw.println(" perm[issions]: dump permissions"); 18585 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18586 pw.println(" pref[erred]: print preferred package settings"); 18587 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18588 pw.println(" prov[iders]: dump content providers"); 18589 pw.println(" p[ackages]: dump installed packages"); 18590 pw.println(" s[hared-users]: dump shared user IDs"); 18591 pw.println(" m[essages]: print collected runtime messages"); 18592 pw.println(" v[erifiers]: print package verifier info"); 18593 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18594 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18595 pw.println(" version: print database version info"); 18596 pw.println(" write: write current settings now"); 18597 pw.println(" installs: details about install sessions"); 18598 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18599 pw.println(" dexopt: dump dexopt state"); 18600 pw.println(" compiler-stats: dump compiler statistics"); 18601 pw.println(" <package.name>: info about given package"); 18602 return; 18603 } else if ("--checkin".equals(opt)) { 18604 checkin = true; 18605 } else if ("-f".equals(opt)) { 18606 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18607 } else { 18608 pw.println("Unknown argument: " + opt + "; use -h for help"); 18609 } 18610 } 18611 18612 // Is the caller requesting to dump a particular piece of data? 18613 if (opti < args.length) { 18614 String cmd = args[opti]; 18615 opti++; 18616 // Is this a package name? 18617 if ("android".equals(cmd) || cmd.contains(".")) { 18618 packageName = cmd; 18619 // When dumping a single package, we always dump all of its 18620 // filter information since the amount of data will be reasonable. 18621 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18622 } else if ("check-permission".equals(cmd)) { 18623 if (opti >= args.length) { 18624 pw.println("Error: check-permission missing permission argument"); 18625 return; 18626 } 18627 String perm = args[opti]; 18628 opti++; 18629 if (opti >= args.length) { 18630 pw.println("Error: check-permission missing package argument"); 18631 return; 18632 } 18633 String pkg = args[opti]; 18634 opti++; 18635 int user = UserHandle.getUserId(Binder.getCallingUid()); 18636 if (opti < args.length) { 18637 try { 18638 user = Integer.parseInt(args[opti]); 18639 } catch (NumberFormatException e) { 18640 pw.println("Error: check-permission user argument is not a number: " 18641 + args[opti]); 18642 return; 18643 } 18644 } 18645 pw.println(checkPermission(perm, pkg, user)); 18646 return; 18647 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18648 dumpState.setDump(DumpState.DUMP_LIBS); 18649 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18650 dumpState.setDump(DumpState.DUMP_FEATURES); 18651 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18652 if (opti >= args.length) { 18653 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18654 | DumpState.DUMP_SERVICE_RESOLVERS 18655 | DumpState.DUMP_RECEIVER_RESOLVERS 18656 | DumpState.DUMP_CONTENT_RESOLVERS); 18657 } else { 18658 while (opti < args.length) { 18659 String name = args[opti]; 18660 if ("a".equals(name) || "activity".equals(name)) { 18661 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18662 } else if ("s".equals(name) || "service".equals(name)) { 18663 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18664 } else if ("r".equals(name) || "receiver".equals(name)) { 18665 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18666 } else if ("c".equals(name) || "content".equals(name)) { 18667 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18668 } else { 18669 pw.println("Error: unknown resolver table type: " + name); 18670 return; 18671 } 18672 opti++; 18673 } 18674 } 18675 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18676 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18677 } else if ("permission".equals(cmd)) { 18678 if (opti >= args.length) { 18679 pw.println("Error: permission requires permission name"); 18680 return; 18681 } 18682 permissionNames = new ArraySet<>(); 18683 while (opti < args.length) { 18684 permissionNames.add(args[opti]); 18685 opti++; 18686 } 18687 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18688 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18689 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18690 dumpState.setDump(DumpState.DUMP_PREFERRED); 18691 } else if ("preferred-xml".equals(cmd)) { 18692 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18693 if (opti < args.length && "--full".equals(args[opti])) { 18694 fullPreferred = true; 18695 opti++; 18696 } 18697 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18698 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18699 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18700 dumpState.setDump(DumpState.DUMP_PACKAGES); 18701 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18702 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18703 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18704 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18705 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18706 dumpState.setDump(DumpState.DUMP_MESSAGES); 18707 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18708 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18709 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18710 || "intent-filter-verifiers".equals(cmd)) { 18711 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18712 } else if ("version".equals(cmd)) { 18713 dumpState.setDump(DumpState.DUMP_VERSION); 18714 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18715 dumpState.setDump(DumpState.DUMP_KEYSETS); 18716 } else if ("installs".equals(cmd)) { 18717 dumpState.setDump(DumpState.DUMP_INSTALLS); 18718 } else if ("frozen".equals(cmd)) { 18719 dumpState.setDump(DumpState.DUMP_FROZEN); 18720 } else if ("dexopt".equals(cmd)) { 18721 dumpState.setDump(DumpState.DUMP_DEXOPT); 18722 } else if ("compiler-stats".equals(cmd)) { 18723 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18724 } else if ("write".equals(cmd)) { 18725 synchronized (mPackages) { 18726 mSettings.writeLPr(); 18727 pw.println("Settings written."); 18728 return; 18729 } 18730 } 18731 } 18732 18733 if (checkin) { 18734 pw.println("vers,1"); 18735 } 18736 18737 // reader 18738 synchronized (mPackages) { 18739 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18740 if (!checkin) { 18741 if (dumpState.onTitlePrinted()) 18742 pw.println(); 18743 pw.println("Database versions:"); 18744 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18745 } 18746 } 18747 18748 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18749 if (!checkin) { 18750 if (dumpState.onTitlePrinted()) 18751 pw.println(); 18752 pw.println("Verifiers:"); 18753 pw.print(" Required: "); 18754 pw.print(mRequiredVerifierPackage); 18755 pw.print(" (uid="); 18756 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18757 UserHandle.USER_SYSTEM)); 18758 pw.println(")"); 18759 } else if (mRequiredVerifierPackage != null) { 18760 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18761 pw.print(","); 18762 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18763 UserHandle.USER_SYSTEM)); 18764 } 18765 } 18766 18767 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18768 packageName == null) { 18769 if (mIntentFilterVerifierComponent != null) { 18770 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18771 if (!checkin) { 18772 if (dumpState.onTitlePrinted()) 18773 pw.println(); 18774 pw.println("Intent Filter Verifier:"); 18775 pw.print(" Using: "); 18776 pw.print(verifierPackageName); 18777 pw.print(" (uid="); 18778 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18779 UserHandle.USER_SYSTEM)); 18780 pw.println(")"); 18781 } else if (verifierPackageName != null) { 18782 pw.print("ifv,"); pw.print(verifierPackageName); 18783 pw.print(","); 18784 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18785 UserHandle.USER_SYSTEM)); 18786 } 18787 } else { 18788 pw.println(); 18789 pw.println("No Intent Filter Verifier available!"); 18790 } 18791 } 18792 18793 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18794 boolean printedHeader = false; 18795 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18796 while (it.hasNext()) { 18797 String name = it.next(); 18798 SharedLibraryEntry ent = mSharedLibraries.get(name); 18799 if (!checkin) { 18800 if (!printedHeader) { 18801 if (dumpState.onTitlePrinted()) 18802 pw.println(); 18803 pw.println("Libraries:"); 18804 printedHeader = true; 18805 } 18806 pw.print(" "); 18807 } else { 18808 pw.print("lib,"); 18809 } 18810 pw.print(name); 18811 if (!checkin) { 18812 pw.print(" -> "); 18813 } 18814 if (ent.path != null) { 18815 if (!checkin) { 18816 pw.print("(jar) "); 18817 pw.print(ent.path); 18818 } else { 18819 pw.print(",jar,"); 18820 pw.print(ent.path); 18821 } 18822 } else { 18823 if (!checkin) { 18824 pw.print("(apk) "); 18825 pw.print(ent.apk); 18826 } else { 18827 pw.print(",apk,"); 18828 pw.print(ent.apk); 18829 } 18830 } 18831 pw.println(); 18832 } 18833 } 18834 18835 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18836 if (dumpState.onTitlePrinted()) 18837 pw.println(); 18838 if (!checkin) { 18839 pw.println("Features:"); 18840 } 18841 18842 for (FeatureInfo feat : mAvailableFeatures.values()) { 18843 if (checkin) { 18844 pw.print("feat,"); 18845 pw.print(feat.name); 18846 pw.print(","); 18847 pw.println(feat.version); 18848 } else { 18849 pw.print(" "); 18850 pw.print(feat.name); 18851 if (feat.version > 0) { 18852 pw.print(" version="); 18853 pw.print(feat.version); 18854 } 18855 pw.println(); 18856 } 18857 } 18858 } 18859 18860 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18861 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18862 : "Activity Resolver Table:", " ", packageName, 18863 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18864 dumpState.setTitlePrinted(true); 18865 } 18866 } 18867 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18868 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18869 : "Receiver Resolver Table:", " ", packageName, 18870 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18871 dumpState.setTitlePrinted(true); 18872 } 18873 } 18874 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18875 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18876 : "Service Resolver Table:", " ", packageName, 18877 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18878 dumpState.setTitlePrinted(true); 18879 } 18880 } 18881 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18882 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18883 : "Provider Resolver Table:", " ", packageName, 18884 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18885 dumpState.setTitlePrinted(true); 18886 } 18887 } 18888 18889 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18890 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18891 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18892 int user = mSettings.mPreferredActivities.keyAt(i); 18893 if (pir.dump(pw, 18894 dumpState.getTitlePrinted() 18895 ? "\nPreferred Activities User " + user + ":" 18896 : "Preferred Activities User " + user + ":", " ", 18897 packageName, true, false)) { 18898 dumpState.setTitlePrinted(true); 18899 } 18900 } 18901 } 18902 18903 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18904 pw.flush(); 18905 FileOutputStream fout = new FileOutputStream(fd); 18906 BufferedOutputStream str = new BufferedOutputStream(fout); 18907 XmlSerializer serializer = new FastXmlSerializer(); 18908 try { 18909 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18910 serializer.startDocument(null, true); 18911 serializer.setFeature( 18912 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18913 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18914 serializer.endDocument(); 18915 serializer.flush(); 18916 } catch (IllegalArgumentException e) { 18917 pw.println("Failed writing: " + e); 18918 } catch (IllegalStateException e) { 18919 pw.println("Failed writing: " + e); 18920 } catch (IOException e) { 18921 pw.println("Failed writing: " + e); 18922 } 18923 } 18924 18925 if (!checkin 18926 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18927 && packageName == null) { 18928 pw.println(); 18929 int count = mSettings.mPackages.size(); 18930 if (count == 0) { 18931 pw.println("No applications!"); 18932 pw.println(); 18933 } else { 18934 final String prefix = " "; 18935 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18936 if (allPackageSettings.size() == 0) { 18937 pw.println("No domain preferred apps!"); 18938 pw.println(); 18939 } else { 18940 pw.println("App verification status:"); 18941 pw.println(); 18942 count = 0; 18943 for (PackageSetting ps : allPackageSettings) { 18944 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18945 if (ivi == null || ivi.getPackageName() == null) continue; 18946 pw.println(prefix + "Package: " + ivi.getPackageName()); 18947 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18948 pw.println(prefix + "Status: " + ivi.getStatusString()); 18949 pw.println(); 18950 count++; 18951 } 18952 if (count == 0) { 18953 pw.println(prefix + "No app verification established."); 18954 pw.println(); 18955 } 18956 for (int userId : sUserManager.getUserIds()) { 18957 pw.println("App linkages for user " + userId + ":"); 18958 pw.println(); 18959 count = 0; 18960 for (PackageSetting ps : allPackageSettings) { 18961 final long status = ps.getDomainVerificationStatusForUser(userId); 18962 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18963 continue; 18964 } 18965 pw.println(prefix + "Package: " + ps.name); 18966 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18967 String statusStr = IntentFilterVerificationInfo. 18968 getStatusStringFromValue(status); 18969 pw.println(prefix + "Status: " + statusStr); 18970 pw.println(); 18971 count++; 18972 } 18973 if (count == 0) { 18974 pw.println(prefix + "No configured app linkages."); 18975 pw.println(); 18976 } 18977 } 18978 } 18979 } 18980 } 18981 18982 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18983 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18984 if (packageName == null && permissionNames == null) { 18985 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18986 if (iperm == 0) { 18987 if (dumpState.onTitlePrinted()) 18988 pw.println(); 18989 pw.println("AppOp Permissions:"); 18990 } 18991 pw.print(" AppOp Permission "); 18992 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18993 pw.println(":"); 18994 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18995 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18996 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18997 } 18998 } 18999 } 19000 } 19001 19002 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 19003 boolean printedSomething = false; 19004 for (PackageParser.Provider p : mProviders.mProviders.values()) { 19005 if (packageName != null && !packageName.equals(p.info.packageName)) { 19006 continue; 19007 } 19008 if (!printedSomething) { 19009 if (dumpState.onTitlePrinted()) 19010 pw.println(); 19011 pw.println("Registered ContentProviders:"); 19012 printedSomething = true; 19013 } 19014 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 19015 pw.print(" "); pw.println(p.toString()); 19016 } 19017 printedSomething = false; 19018 for (Map.Entry<String, PackageParser.Provider> entry : 19019 mProvidersByAuthority.entrySet()) { 19020 PackageParser.Provider p = entry.getValue(); 19021 if (packageName != null && !packageName.equals(p.info.packageName)) { 19022 continue; 19023 } 19024 if (!printedSomething) { 19025 if (dumpState.onTitlePrinted()) 19026 pw.println(); 19027 pw.println("ContentProvider Authorities:"); 19028 printedSomething = true; 19029 } 19030 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 19031 pw.print(" "); pw.println(p.toString()); 19032 if (p.info != null && p.info.applicationInfo != null) { 19033 final String appInfo = p.info.applicationInfo.toString(); 19034 pw.print(" applicationInfo="); pw.println(appInfo); 19035 } 19036 } 19037 } 19038 19039 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 19040 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 19041 } 19042 19043 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 19044 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 19045 } 19046 19047 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 19048 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 19049 } 19050 19051 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 19052 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 19053 } 19054 19055 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 19056 // XXX should handle packageName != null by dumping only install data that 19057 // the given package is involved with. 19058 if (dumpState.onTitlePrinted()) pw.println(); 19059 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 19060 } 19061 19062 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 19063 // XXX should handle packageName != null by dumping only install data that 19064 // the given package is involved with. 19065 if (dumpState.onTitlePrinted()) pw.println(); 19066 19067 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19068 ipw.println(); 19069 ipw.println("Frozen packages:"); 19070 ipw.increaseIndent(); 19071 if (mFrozenPackages.size() == 0) { 19072 ipw.println("(none)"); 19073 } else { 19074 for (int i = 0; i < mFrozenPackages.size(); i++) { 19075 ipw.println(mFrozenPackages.valueAt(i)); 19076 } 19077 } 19078 ipw.decreaseIndent(); 19079 } 19080 19081 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 19082 if (dumpState.onTitlePrinted()) pw.println(); 19083 dumpDexoptStateLPr(pw, packageName); 19084 } 19085 19086 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 19087 if (dumpState.onTitlePrinted()) pw.println(); 19088 dumpCompilerStatsLPr(pw, packageName); 19089 } 19090 19091 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 19092 if (dumpState.onTitlePrinted()) pw.println(); 19093 mSettings.dumpReadMessagesLPr(pw, dumpState); 19094 19095 pw.println(); 19096 pw.println("Package warning messages:"); 19097 BufferedReader in = null; 19098 String line = null; 19099 try { 19100 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19101 while ((line = in.readLine()) != null) { 19102 if (line.contains("ignored: updated version")) continue; 19103 pw.println(line); 19104 } 19105 } catch (IOException ignored) { 19106 } finally { 19107 IoUtils.closeQuietly(in); 19108 } 19109 } 19110 19111 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 19112 BufferedReader in = null; 19113 String line = null; 19114 try { 19115 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19116 while ((line = in.readLine()) != null) { 19117 if (line.contains("ignored: updated version")) continue; 19118 pw.print("msg,"); 19119 pw.println(line); 19120 } 19121 } catch (IOException ignored) { 19122 } finally { 19123 IoUtils.closeQuietly(in); 19124 } 19125 } 19126 } 19127 } 19128 19129 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 19130 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19131 ipw.println(); 19132 ipw.println("Dexopt state:"); 19133 ipw.increaseIndent(); 19134 Collection<PackageParser.Package> packages = null; 19135 if (packageName != null) { 19136 PackageParser.Package targetPackage = mPackages.get(packageName); 19137 if (targetPackage != null) { 19138 packages = Collections.singletonList(targetPackage); 19139 } else { 19140 ipw.println("Unable to find package: " + packageName); 19141 return; 19142 } 19143 } else { 19144 packages = mPackages.values(); 19145 } 19146 19147 for (PackageParser.Package pkg : packages) { 19148 ipw.println("[" + pkg.packageName + "]"); 19149 ipw.increaseIndent(); 19150 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19151 ipw.decreaseIndent(); 19152 } 19153 } 19154 19155 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19156 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19157 ipw.println(); 19158 ipw.println("Compiler stats:"); 19159 ipw.increaseIndent(); 19160 Collection<PackageParser.Package> packages = null; 19161 if (packageName != null) { 19162 PackageParser.Package targetPackage = mPackages.get(packageName); 19163 if (targetPackage != null) { 19164 packages = Collections.singletonList(targetPackage); 19165 } else { 19166 ipw.println("Unable to find package: " + packageName); 19167 return; 19168 } 19169 } else { 19170 packages = mPackages.values(); 19171 } 19172 19173 for (PackageParser.Package pkg : packages) { 19174 ipw.println("[" + pkg.packageName + "]"); 19175 ipw.increaseIndent(); 19176 19177 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19178 if (stats == null) { 19179 ipw.println("(No recorded stats)"); 19180 } else { 19181 stats.dump(ipw); 19182 } 19183 ipw.decreaseIndent(); 19184 } 19185 } 19186 19187 private String dumpDomainString(String packageName) { 19188 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19189 .getList(); 19190 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19191 19192 ArraySet<String> result = new ArraySet<>(); 19193 if (iviList.size() > 0) { 19194 for (IntentFilterVerificationInfo ivi : iviList) { 19195 for (String host : ivi.getDomains()) { 19196 result.add(host); 19197 } 19198 } 19199 } 19200 if (filters != null && filters.size() > 0) { 19201 for (IntentFilter filter : filters) { 19202 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19203 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19204 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19205 result.addAll(filter.getHostsList()); 19206 } 19207 } 19208 } 19209 19210 StringBuilder sb = new StringBuilder(result.size() * 16); 19211 for (String domain : result) { 19212 if (sb.length() > 0) sb.append(" "); 19213 sb.append(domain); 19214 } 19215 return sb.toString(); 19216 } 19217 19218 // ------- apps on sdcard specific code ------- 19219 static final boolean DEBUG_SD_INSTALL = false; 19220 19221 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19222 19223 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19224 19225 private boolean mMediaMounted = false; 19226 19227 static String getEncryptKey() { 19228 try { 19229 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19230 SD_ENCRYPTION_KEYSTORE_NAME); 19231 if (sdEncKey == null) { 19232 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19233 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19234 if (sdEncKey == null) { 19235 Slog.e(TAG, "Failed to create encryption keys"); 19236 return null; 19237 } 19238 } 19239 return sdEncKey; 19240 } catch (NoSuchAlgorithmException nsae) { 19241 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19242 return null; 19243 } catch (IOException ioe) { 19244 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19245 return null; 19246 } 19247 } 19248 19249 /* 19250 * Update media status on PackageManager. 19251 */ 19252 @Override 19253 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19254 int callingUid = Binder.getCallingUid(); 19255 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19256 throw new SecurityException("Media status can only be updated by the system"); 19257 } 19258 // reader; this apparently protects mMediaMounted, but should probably 19259 // be a different lock in that case. 19260 synchronized (mPackages) { 19261 Log.i(TAG, "Updating external media status from " 19262 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19263 + (mediaStatus ? "mounted" : "unmounted")); 19264 if (DEBUG_SD_INSTALL) 19265 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19266 + ", mMediaMounted=" + mMediaMounted); 19267 if (mediaStatus == mMediaMounted) { 19268 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19269 : 0, -1); 19270 mHandler.sendMessage(msg); 19271 return; 19272 } 19273 mMediaMounted = mediaStatus; 19274 } 19275 // Queue up an async operation since the package installation may take a 19276 // little while. 19277 mHandler.post(new Runnable() { 19278 public void run() { 19279 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19280 } 19281 }); 19282 } 19283 19284 /** 19285 * Called by MountService when the initial ASECs to scan are available. 19286 * Should block until all the ASEC containers are finished being scanned. 19287 */ 19288 public void scanAvailableAsecs() { 19289 updateExternalMediaStatusInner(true, false, false); 19290 } 19291 19292 /* 19293 * Collect information of applications on external media, map them against 19294 * existing containers and update information based on current mount status. 19295 * Please note that we always have to report status if reportStatus has been 19296 * set to true especially when unloading packages. 19297 */ 19298 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19299 boolean externalStorage) { 19300 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19301 int[] uidArr = EmptyArray.INT; 19302 19303 final String[] list = PackageHelper.getSecureContainerList(); 19304 if (ArrayUtils.isEmpty(list)) { 19305 Log.i(TAG, "No secure containers found"); 19306 } else { 19307 // Process list of secure containers and categorize them 19308 // as active or stale based on their package internal state. 19309 19310 // reader 19311 synchronized (mPackages) { 19312 for (String cid : list) { 19313 // Leave stages untouched for now; installer service owns them 19314 if (PackageInstallerService.isStageName(cid)) continue; 19315 19316 if (DEBUG_SD_INSTALL) 19317 Log.i(TAG, "Processing container " + cid); 19318 String pkgName = getAsecPackageName(cid); 19319 if (pkgName == null) { 19320 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19321 continue; 19322 } 19323 if (DEBUG_SD_INSTALL) 19324 Log.i(TAG, "Looking for pkg : " + pkgName); 19325 19326 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19327 if (ps == null) { 19328 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19329 continue; 19330 } 19331 19332 /* 19333 * Skip packages that are not external if we're unmounting 19334 * external storage. 19335 */ 19336 if (externalStorage && !isMounted && !isExternal(ps)) { 19337 continue; 19338 } 19339 19340 final AsecInstallArgs args = new AsecInstallArgs(cid, 19341 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19342 // The package status is changed only if the code path 19343 // matches between settings and the container id. 19344 if (ps.codePathString != null 19345 && ps.codePathString.startsWith(args.getCodePath())) { 19346 if (DEBUG_SD_INSTALL) { 19347 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19348 + " at code path: " + ps.codePathString); 19349 } 19350 19351 // We do have a valid package installed on sdcard 19352 processCids.put(args, ps.codePathString); 19353 final int uid = ps.appId; 19354 if (uid != -1) { 19355 uidArr = ArrayUtils.appendInt(uidArr, uid); 19356 } 19357 } else { 19358 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19359 + ps.codePathString); 19360 } 19361 } 19362 } 19363 19364 Arrays.sort(uidArr); 19365 } 19366 19367 // Process packages with valid entries. 19368 if (isMounted) { 19369 if (DEBUG_SD_INSTALL) 19370 Log.i(TAG, "Loading packages"); 19371 loadMediaPackages(processCids, uidArr, externalStorage); 19372 startCleaningPackages(); 19373 mInstallerService.onSecureContainersAvailable(); 19374 } else { 19375 if (DEBUG_SD_INSTALL) 19376 Log.i(TAG, "Unloading packages"); 19377 unloadMediaPackages(processCids, uidArr, reportStatus); 19378 } 19379 } 19380 19381 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19382 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19383 final int size = infos.size(); 19384 final String[] packageNames = new String[size]; 19385 final int[] packageUids = new int[size]; 19386 for (int i = 0; i < size; i++) { 19387 final ApplicationInfo info = infos.get(i); 19388 packageNames[i] = info.packageName; 19389 packageUids[i] = info.uid; 19390 } 19391 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19392 finishedReceiver); 19393 } 19394 19395 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19396 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19397 sendResourcesChangedBroadcast(mediaStatus, replacing, 19398 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19399 } 19400 19401 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19402 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19403 int size = pkgList.length; 19404 if (size > 0) { 19405 // Send broadcasts here 19406 Bundle extras = new Bundle(); 19407 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19408 if (uidArr != null) { 19409 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19410 } 19411 if (replacing) { 19412 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19413 } 19414 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19415 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19416 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19417 } 19418 } 19419 19420 /* 19421 * Look at potentially valid container ids from processCids If package 19422 * information doesn't match the one on record or package scanning fails, 19423 * the cid is added to list of removeCids. We currently don't delete stale 19424 * containers. 19425 */ 19426 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19427 boolean externalStorage) { 19428 ArrayList<String> pkgList = new ArrayList<String>(); 19429 Set<AsecInstallArgs> keys = processCids.keySet(); 19430 19431 for (AsecInstallArgs args : keys) { 19432 String codePath = processCids.get(args); 19433 if (DEBUG_SD_INSTALL) 19434 Log.i(TAG, "Loading container : " + args.cid); 19435 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19436 try { 19437 // Make sure there are no container errors first. 19438 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19439 Slog.e(TAG, "Failed to mount cid : " + args.cid 19440 + " when installing from sdcard"); 19441 continue; 19442 } 19443 // Check code path here. 19444 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19445 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19446 + " does not match one in settings " + codePath); 19447 continue; 19448 } 19449 // Parse package 19450 int parseFlags = mDefParseFlags; 19451 if (args.isExternalAsec()) { 19452 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19453 } 19454 if (args.isFwdLocked()) { 19455 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19456 } 19457 19458 synchronized (mInstallLock) { 19459 PackageParser.Package pkg = null; 19460 try { 19461 // Sadly we don't know the package name yet to freeze it 19462 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19463 SCAN_IGNORE_FROZEN, 0, null); 19464 } catch (PackageManagerException e) { 19465 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19466 } 19467 // Scan the package 19468 if (pkg != null) { 19469 /* 19470 * TODO why is the lock being held? doPostInstall is 19471 * called in other places without the lock. This needs 19472 * to be straightened out. 19473 */ 19474 // writer 19475 synchronized (mPackages) { 19476 retCode = PackageManager.INSTALL_SUCCEEDED; 19477 pkgList.add(pkg.packageName); 19478 // Post process args 19479 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19480 pkg.applicationInfo.uid); 19481 } 19482 } else { 19483 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19484 } 19485 } 19486 19487 } finally { 19488 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19489 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19490 } 19491 } 19492 } 19493 // writer 19494 synchronized (mPackages) { 19495 // If the platform SDK has changed since the last time we booted, 19496 // we need to re-grant app permission to catch any new ones that 19497 // appear. This is really a hack, and means that apps can in some 19498 // cases get permissions that the user didn't initially explicitly 19499 // allow... it would be nice to have some better way to handle 19500 // this situation. 19501 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19502 : mSettings.getInternalVersion(); 19503 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19504 : StorageManager.UUID_PRIVATE_INTERNAL; 19505 19506 int updateFlags = UPDATE_PERMISSIONS_ALL; 19507 if (ver.sdkVersion != mSdkVersion) { 19508 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19509 + mSdkVersion + "; regranting permissions for external"); 19510 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19511 } 19512 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19513 19514 // Yay, everything is now upgraded 19515 ver.forceCurrent(); 19516 19517 // can downgrade to reader 19518 // Persist settings 19519 mSettings.writeLPr(); 19520 } 19521 // Send a broadcast to let everyone know we are done processing 19522 if (pkgList.size() > 0) { 19523 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19524 } 19525 } 19526 19527 /* 19528 * Utility method to unload a list of specified containers 19529 */ 19530 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19531 // Just unmount all valid containers. 19532 for (AsecInstallArgs arg : cidArgs) { 19533 synchronized (mInstallLock) { 19534 arg.doPostDeleteLI(false); 19535 } 19536 } 19537 } 19538 19539 /* 19540 * Unload packages mounted on external media. This involves deleting package 19541 * data from internal structures, sending broadcasts about disabled packages, 19542 * gc'ing to free up references, unmounting all secure containers 19543 * corresponding to packages on external media, and posting a 19544 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19545 * that we always have to post this message if status has been requested no 19546 * matter what. 19547 */ 19548 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19549 final boolean reportStatus) { 19550 if (DEBUG_SD_INSTALL) 19551 Log.i(TAG, "unloading media packages"); 19552 ArrayList<String> pkgList = new ArrayList<String>(); 19553 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19554 final Set<AsecInstallArgs> keys = processCids.keySet(); 19555 for (AsecInstallArgs args : keys) { 19556 String pkgName = args.getPackageName(); 19557 if (DEBUG_SD_INSTALL) 19558 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19559 // Delete package internally 19560 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19561 synchronized (mInstallLock) { 19562 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19563 final boolean res; 19564 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19565 "unloadMediaPackages")) { 19566 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19567 null); 19568 } 19569 if (res) { 19570 pkgList.add(pkgName); 19571 } else { 19572 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19573 failedList.add(args); 19574 } 19575 } 19576 } 19577 19578 // reader 19579 synchronized (mPackages) { 19580 // We didn't update the settings after removing each package; 19581 // write them now for all packages. 19582 mSettings.writeLPr(); 19583 } 19584 19585 // We have to absolutely send UPDATED_MEDIA_STATUS only 19586 // after confirming that all the receivers processed the ordered 19587 // broadcast when packages get disabled, force a gc to clean things up. 19588 // and unload all the containers. 19589 if (pkgList.size() > 0) { 19590 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19591 new IIntentReceiver.Stub() { 19592 public void performReceive(Intent intent, int resultCode, String data, 19593 Bundle extras, boolean ordered, boolean sticky, 19594 int sendingUser) throws RemoteException { 19595 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19596 reportStatus ? 1 : 0, 1, keys); 19597 mHandler.sendMessage(msg); 19598 } 19599 }); 19600 } else { 19601 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19602 keys); 19603 mHandler.sendMessage(msg); 19604 } 19605 } 19606 19607 private void loadPrivatePackages(final VolumeInfo vol) { 19608 mHandler.post(new Runnable() { 19609 @Override 19610 public void run() { 19611 loadPrivatePackagesInner(vol); 19612 } 19613 }); 19614 } 19615 19616 private void loadPrivatePackagesInner(VolumeInfo vol) { 19617 final String volumeUuid = vol.fsUuid; 19618 if (TextUtils.isEmpty(volumeUuid)) { 19619 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19620 return; 19621 } 19622 19623 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19624 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19625 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19626 19627 final VersionInfo ver; 19628 final List<PackageSetting> packages; 19629 synchronized (mPackages) { 19630 ver = mSettings.findOrCreateVersion(volumeUuid); 19631 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19632 } 19633 19634 for (PackageSetting ps : packages) { 19635 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19636 synchronized (mInstallLock) { 19637 final PackageParser.Package pkg; 19638 try { 19639 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19640 loaded.add(pkg.applicationInfo); 19641 19642 } catch (PackageManagerException e) { 19643 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19644 } 19645 19646 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19647 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19648 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19649 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19650 } 19651 } 19652 } 19653 19654 // Reconcile app data for all started/unlocked users 19655 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19656 final UserManager um = mContext.getSystemService(UserManager.class); 19657 UserManagerInternal umInternal = getUserManagerInternal(); 19658 for (UserInfo user : um.getUsers()) { 19659 final int flags; 19660 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19661 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19662 } else if (umInternal.isUserRunning(user.id)) { 19663 flags = StorageManager.FLAG_STORAGE_DE; 19664 } else { 19665 continue; 19666 } 19667 19668 try { 19669 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19670 synchronized (mInstallLock) { 19671 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 19672 } 19673 } catch (IllegalStateException e) { 19674 // Device was probably ejected, and we'll process that event momentarily 19675 Slog.w(TAG, "Failed to prepare storage: " + e); 19676 } 19677 } 19678 19679 synchronized (mPackages) { 19680 int updateFlags = UPDATE_PERMISSIONS_ALL; 19681 if (ver.sdkVersion != mSdkVersion) { 19682 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19683 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19684 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19685 } 19686 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19687 19688 // Yay, everything is now upgraded 19689 ver.forceCurrent(); 19690 19691 mSettings.writeLPr(); 19692 } 19693 19694 for (PackageFreezer freezer : freezers) { 19695 freezer.close(); 19696 } 19697 19698 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19699 sendResourcesChangedBroadcast(true, false, loaded, null); 19700 } 19701 19702 private void unloadPrivatePackages(final VolumeInfo vol) { 19703 mHandler.post(new Runnable() { 19704 @Override 19705 public void run() { 19706 unloadPrivatePackagesInner(vol); 19707 } 19708 }); 19709 } 19710 19711 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19712 final String volumeUuid = vol.fsUuid; 19713 if (TextUtils.isEmpty(volumeUuid)) { 19714 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19715 return; 19716 } 19717 19718 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19719 synchronized (mInstallLock) { 19720 synchronized (mPackages) { 19721 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19722 for (PackageSetting ps : packages) { 19723 if (ps.pkg == null) continue; 19724 19725 final ApplicationInfo info = ps.pkg.applicationInfo; 19726 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19727 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19728 19729 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19730 "unloadPrivatePackagesInner")) { 19731 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19732 false, null)) { 19733 unloaded.add(info); 19734 } else { 19735 Slog.w(TAG, "Failed to unload " + ps.codePath); 19736 } 19737 } 19738 19739 // Try very hard to release any references to this package 19740 // so we don't risk the system server being killed due to 19741 // open FDs 19742 AttributeCache.instance().removePackage(ps.name); 19743 } 19744 19745 mSettings.writeLPr(); 19746 } 19747 } 19748 19749 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19750 sendResourcesChangedBroadcast(false, false, unloaded, null); 19751 19752 // Try very hard to release any references to this path so we don't risk 19753 // the system server being killed due to open FDs 19754 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19755 19756 for (int i = 0; i < 3; i++) { 19757 System.gc(); 19758 System.runFinalization(); 19759 } 19760 } 19761 19762 /** 19763 * Prepare storage areas for given user on all mounted devices. 19764 */ 19765 void prepareUserData(int userId, int userSerial, int flags) { 19766 synchronized (mInstallLock) { 19767 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19768 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19769 final String volumeUuid = vol.getFsUuid(); 19770 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19771 } 19772 } 19773 } 19774 19775 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19776 boolean allowRecover) { 19777 // Prepare storage and verify that serial numbers are consistent; if 19778 // there's a mismatch we need to destroy to avoid leaking data 19779 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19780 try { 19781 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19782 19783 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19784 UserManagerService.enforceSerialNumber( 19785 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19786 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19787 UserManagerService.enforceSerialNumber( 19788 Environment.getDataSystemDeDirectory(userId), userSerial); 19789 } 19790 } 19791 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19792 UserManagerService.enforceSerialNumber( 19793 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19794 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19795 UserManagerService.enforceSerialNumber( 19796 Environment.getDataSystemCeDirectory(userId), userSerial); 19797 } 19798 } 19799 19800 synchronized (mInstallLock) { 19801 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19802 } 19803 } catch (Exception e) { 19804 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19805 + " because we failed to prepare: " + e); 19806 destroyUserDataLI(volumeUuid, userId, 19807 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19808 19809 if (allowRecover) { 19810 // Try one last time; if we fail again we're really in trouble 19811 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19812 } 19813 } 19814 } 19815 19816 /** 19817 * Destroy storage areas for given user on all mounted devices. 19818 */ 19819 void destroyUserData(int userId, int flags) { 19820 synchronized (mInstallLock) { 19821 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19822 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19823 final String volumeUuid = vol.getFsUuid(); 19824 destroyUserDataLI(volumeUuid, userId, flags); 19825 } 19826 } 19827 } 19828 19829 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19830 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19831 try { 19832 // Clean up app data, profile data, and media data 19833 mInstaller.destroyUserData(volumeUuid, userId, flags); 19834 19835 // Clean up system data 19836 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19837 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19838 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19839 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19840 } 19841 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19842 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19843 } 19844 } 19845 19846 // Data with special labels is now gone, so finish the job 19847 storage.destroyUserStorage(volumeUuid, userId, flags); 19848 19849 } catch (Exception e) { 19850 logCriticalInfo(Log.WARN, 19851 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19852 } 19853 } 19854 19855 /** 19856 * Examine all users present on given mounted volume, and destroy data 19857 * belonging to users that are no longer valid, or whose user ID has been 19858 * recycled. 19859 */ 19860 private void reconcileUsers(String volumeUuid) { 19861 final List<File> files = new ArrayList<>(); 19862 Collections.addAll(files, FileUtils 19863 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19864 Collections.addAll(files, FileUtils 19865 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19866 Collections.addAll(files, FileUtils 19867 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19868 Collections.addAll(files, FileUtils 19869 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19870 for (File file : files) { 19871 if (!file.isDirectory()) continue; 19872 19873 final int userId; 19874 final UserInfo info; 19875 try { 19876 userId = Integer.parseInt(file.getName()); 19877 info = sUserManager.getUserInfo(userId); 19878 } catch (NumberFormatException e) { 19879 Slog.w(TAG, "Invalid user directory " + file); 19880 continue; 19881 } 19882 19883 boolean destroyUser = false; 19884 if (info == null) { 19885 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19886 + " because no matching user was found"); 19887 destroyUser = true; 19888 } else if (!mOnlyCore) { 19889 try { 19890 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19891 } catch (IOException e) { 19892 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19893 + " because we failed to enforce serial number: " + e); 19894 destroyUser = true; 19895 } 19896 } 19897 19898 if (destroyUser) { 19899 synchronized (mInstallLock) { 19900 destroyUserDataLI(volumeUuid, userId, 19901 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19902 } 19903 } 19904 } 19905 } 19906 19907 private void assertPackageKnown(String volumeUuid, String packageName) 19908 throws PackageManagerException { 19909 synchronized (mPackages) { 19910 final PackageSetting ps = mSettings.mPackages.get(packageName); 19911 if (ps == null) { 19912 throw new PackageManagerException("Package " + packageName + " is unknown"); 19913 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19914 throw new PackageManagerException( 19915 "Package " + packageName + " found on unknown volume " + volumeUuid 19916 + "; expected volume " + ps.volumeUuid); 19917 } 19918 } 19919 } 19920 19921 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19922 throws PackageManagerException { 19923 synchronized (mPackages) { 19924 final PackageSetting ps = mSettings.mPackages.get(packageName); 19925 if (ps == null) { 19926 throw new PackageManagerException("Package " + packageName + " is unknown"); 19927 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19928 throw new PackageManagerException( 19929 "Package " + packageName + " found on unknown volume " + volumeUuid 19930 + "; expected volume " + ps.volumeUuid); 19931 } else if (!ps.getInstalled(userId)) { 19932 throw new PackageManagerException( 19933 "Package " + packageName + " not installed for user " + userId); 19934 } 19935 } 19936 } 19937 19938 /** 19939 * Examine all apps present on given mounted volume, and destroy apps that 19940 * aren't expected, either due to uninstallation or reinstallation on 19941 * another volume. 19942 */ 19943 private void reconcileApps(String volumeUuid) { 19944 final File[] files = FileUtils 19945 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19946 for (File file : files) { 19947 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19948 && !PackageInstallerService.isStageName(file.getName()); 19949 if (!isPackage) { 19950 // Ignore entries which are not packages 19951 continue; 19952 } 19953 19954 try { 19955 final PackageLite pkg = PackageParser.parsePackageLite(file, 19956 PackageParser.PARSE_MUST_BE_APK); 19957 assertPackageKnown(volumeUuid, pkg.packageName); 19958 19959 } catch (PackageParserException | PackageManagerException e) { 19960 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19961 synchronized (mInstallLock) { 19962 removeCodePathLI(file); 19963 } 19964 } 19965 } 19966 } 19967 19968 /** 19969 * Reconcile all app data for the given user. 19970 * <p> 19971 * Verifies that directories exist and that ownership and labeling is 19972 * correct for all installed apps on all mounted volumes. 19973 */ 19974 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 19975 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19976 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19977 final String volumeUuid = vol.getFsUuid(); 19978 synchronized (mInstallLock) { 19979 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 19980 } 19981 } 19982 } 19983 19984 /** 19985 * Reconcile all app data on given mounted volume. 19986 * <p> 19987 * Destroys app data that isn't expected, either due to uninstallation or 19988 * reinstallation on another volume. 19989 * <p> 19990 * Verifies that directories exist and that ownership and labeling is 19991 * correct for all installed apps. 19992 */ 19993 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 19994 boolean migrateAppData) { 19995 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19996 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 19997 19998 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19999 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 20000 20001 // First look for stale data that doesn't belong, and check if things 20002 // have changed since we did our last restorecon 20003 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20004 if (StorageManager.isFileEncryptedNativeOrEmulated() 20005 && !StorageManager.isUserKeyUnlocked(userId)) { 20006 throw new RuntimeException( 20007 "Yikes, someone asked us to reconcile CE storage while " + userId 20008 + " was still locked; this would have caused massive data loss!"); 20009 } 20010 20011 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 20012 for (File file : files) { 20013 final String packageName = file.getName(); 20014 try { 20015 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20016 } catch (PackageManagerException e) { 20017 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20018 try { 20019 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20020 StorageManager.FLAG_STORAGE_CE, 0); 20021 } catch (InstallerException e2) { 20022 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20023 } 20024 } 20025 } 20026 } 20027 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 20028 final File[] files = FileUtils.listFilesOrEmpty(deDir); 20029 for (File file : files) { 20030 final String packageName = file.getName(); 20031 try { 20032 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20033 } catch (PackageManagerException e) { 20034 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20035 try { 20036 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20037 StorageManager.FLAG_STORAGE_DE, 0); 20038 } catch (InstallerException e2) { 20039 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20040 } 20041 } 20042 } 20043 } 20044 20045 // Ensure that data directories are ready to roll for all packages 20046 // installed for this volume and user 20047 final List<PackageSetting> packages; 20048 synchronized (mPackages) { 20049 packages = mSettings.getVolumePackagesLPr(volumeUuid); 20050 } 20051 int preparedCount = 0; 20052 for (PackageSetting ps : packages) { 20053 final String packageName = ps.name; 20054 if (ps.pkg == null) { 20055 Slog.w(TAG, "Odd, missing scanned package " + packageName); 20056 // TODO: might be due to legacy ASEC apps; we should circle back 20057 // and reconcile again once they're scanned 20058 continue; 20059 } 20060 20061 if (ps.getInstalled(userId)) { 20062 prepareAppDataLIF(ps.pkg, userId, flags); 20063 20064 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 20065 // We may have just shuffled around app data directories, so 20066 // prepare them one more time 20067 prepareAppDataLIF(ps.pkg, userId, flags); 20068 } 20069 20070 preparedCount++; 20071 } 20072 } 20073 20074 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 20075 } 20076 20077 /** 20078 * Prepare app data for the given app just after it was installed or 20079 * upgraded. This method carefully only touches users that it's installed 20080 * for, and it forces a restorecon to handle any seinfo changes. 20081 * <p> 20082 * Verifies that directories exist and that ownership and labeling is 20083 * correct for all installed apps. If there is an ownership mismatch, it 20084 * will try recovering system apps by wiping data; third-party app data is 20085 * left intact. 20086 * <p> 20087 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 20088 */ 20089 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 20090 final PackageSetting ps; 20091 synchronized (mPackages) { 20092 ps = mSettings.mPackages.get(pkg.packageName); 20093 mSettings.writeKernelMappingLPr(ps); 20094 } 20095 20096 final UserManager um = mContext.getSystemService(UserManager.class); 20097 UserManagerInternal umInternal = getUserManagerInternal(); 20098 for (UserInfo user : um.getUsers()) { 20099 final int flags; 20100 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20101 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20102 } else if (umInternal.isUserRunning(user.id)) { 20103 flags = StorageManager.FLAG_STORAGE_DE; 20104 } else { 20105 continue; 20106 } 20107 20108 if (ps.getInstalled(user.id)) { 20109 // TODO: when user data is locked, mark that we're still dirty 20110 prepareAppDataLIF(pkg, user.id, flags); 20111 } 20112 } 20113 } 20114 20115 /** 20116 * Prepare app data for the given app. 20117 * <p> 20118 * Verifies that directories exist and that ownership and labeling is 20119 * correct for all installed apps. If there is an ownership mismatch, this 20120 * will try recovering system apps by wiping data; third-party app data is 20121 * left intact. 20122 */ 20123 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 20124 if (pkg == null) { 20125 Slog.wtf(TAG, "Package was null!", new Throwable()); 20126 return; 20127 } 20128 prepareAppDataLeafLIF(pkg, userId, flags); 20129 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20130 for (int i = 0; i < childCount; i++) { 20131 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 20132 } 20133 } 20134 20135 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20136 if (DEBUG_APP_DATA) { 20137 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20138 + Integer.toHexString(flags)); 20139 } 20140 20141 final String volumeUuid = pkg.volumeUuid; 20142 final String packageName = pkg.packageName; 20143 final ApplicationInfo app = pkg.applicationInfo; 20144 final int appId = UserHandle.getAppId(app.uid); 20145 20146 Preconditions.checkNotNull(app.seinfo); 20147 20148 try { 20149 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20150 appId, app.seinfo, app.targetSdkVersion); 20151 } catch (InstallerException e) { 20152 if (app.isSystemApp()) { 20153 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20154 + ", but trying to recover: " + e); 20155 destroyAppDataLeafLIF(pkg, userId, flags); 20156 try { 20157 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20158 appId, app.seinfo, app.targetSdkVersion); 20159 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20160 } catch (InstallerException e2) { 20161 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20162 } 20163 } else { 20164 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20165 } 20166 } 20167 20168 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20169 try { 20170 // CE storage is unlocked right now, so read out the inode and 20171 // remember for use later when it's locked 20172 // TODO: mark this structure as dirty so we persist it! 20173 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 20174 StorageManager.FLAG_STORAGE_CE); 20175 synchronized (mPackages) { 20176 final PackageSetting ps = mSettings.mPackages.get(packageName); 20177 if (ps != null) { 20178 ps.setCeDataInode(ceDataInode, userId); 20179 } 20180 } 20181 } catch (InstallerException e) { 20182 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 20183 } 20184 } 20185 20186 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20187 } 20188 20189 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20190 if (pkg == null) { 20191 Slog.wtf(TAG, "Package was null!", new Throwable()); 20192 return; 20193 } 20194 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20195 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20196 for (int i = 0; i < childCount; i++) { 20197 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20198 } 20199 } 20200 20201 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20202 final String volumeUuid = pkg.volumeUuid; 20203 final String packageName = pkg.packageName; 20204 final ApplicationInfo app = pkg.applicationInfo; 20205 20206 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20207 // Create a native library symlink only if we have native libraries 20208 // and if the native libraries are 32 bit libraries. We do not provide 20209 // this symlink for 64 bit libraries. 20210 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20211 final String nativeLibPath = app.nativeLibraryDir; 20212 try { 20213 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20214 nativeLibPath, userId); 20215 } catch (InstallerException e) { 20216 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20217 } 20218 } 20219 } 20220 } 20221 20222 /** 20223 * For system apps on non-FBE devices, this method migrates any existing 20224 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20225 * requested by the app. 20226 */ 20227 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20228 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20229 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20230 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20231 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20232 try { 20233 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20234 storageTarget); 20235 } catch (InstallerException e) { 20236 logCriticalInfo(Log.WARN, 20237 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20238 } 20239 return true; 20240 } else { 20241 return false; 20242 } 20243 } 20244 20245 public PackageFreezer freezePackage(String packageName, String killReason) { 20246 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20247 } 20248 20249 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20250 return new PackageFreezer(packageName, userId, killReason); 20251 } 20252 20253 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20254 String killReason) { 20255 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20256 } 20257 20258 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20259 String killReason) { 20260 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20261 return new PackageFreezer(); 20262 } else { 20263 return freezePackage(packageName, userId, killReason); 20264 } 20265 } 20266 20267 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20268 String killReason) { 20269 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20270 } 20271 20272 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20273 String killReason) { 20274 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20275 return new PackageFreezer(); 20276 } else { 20277 return freezePackage(packageName, userId, killReason); 20278 } 20279 } 20280 20281 /** 20282 * Class that freezes and kills the given package upon creation, and 20283 * unfreezes it upon closing. This is typically used when doing surgery on 20284 * app code/data to prevent the app from running while you're working. 20285 */ 20286 private class PackageFreezer implements AutoCloseable { 20287 private final String mPackageName; 20288 private final PackageFreezer[] mChildren; 20289 20290 private final boolean mWeFroze; 20291 20292 private final AtomicBoolean mClosed = new AtomicBoolean(); 20293 private final CloseGuard mCloseGuard = CloseGuard.get(); 20294 20295 /** 20296 * Create and return a stub freezer that doesn't actually do anything, 20297 * typically used when someone requested 20298 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20299 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20300 */ 20301 public PackageFreezer() { 20302 mPackageName = null; 20303 mChildren = null; 20304 mWeFroze = false; 20305 mCloseGuard.open("close"); 20306 } 20307 20308 public PackageFreezer(String packageName, int userId, String killReason) { 20309 synchronized (mPackages) { 20310 mPackageName = packageName; 20311 mWeFroze = mFrozenPackages.add(mPackageName); 20312 20313 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20314 if (ps != null) { 20315 killApplication(ps.name, ps.appId, userId, killReason); 20316 } 20317 20318 final PackageParser.Package p = mPackages.get(packageName); 20319 if (p != null && p.childPackages != null) { 20320 final int N = p.childPackages.size(); 20321 mChildren = new PackageFreezer[N]; 20322 for (int i = 0; i < N; i++) { 20323 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20324 userId, killReason); 20325 } 20326 } else { 20327 mChildren = null; 20328 } 20329 } 20330 mCloseGuard.open("close"); 20331 } 20332 20333 @Override 20334 protected void finalize() throws Throwable { 20335 try { 20336 mCloseGuard.warnIfOpen(); 20337 close(); 20338 } finally { 20339 super.finalize(); 20340 } 20341 } 20342 20343 @Override 20344 public void close() { 20345 mCloseGuard.close(); 20346 if (mClosed.compareAndSet(false, true)) { 20347 synchronized (mPackages) { 20348 if (mWeFroze) { 20349 mFrozenPackages.remove(mPackageName); 20350 } 20351 20352 if (mChildren != null) { 20353 for (PackageFreezer freezer : mChildren) { 20354 freezer.close(); 20355 } 20356 } 20357 } 20358 } 20359 } 20360 } 20361 20362 /** 20363 * Verify that given package is currently frozen. 20364 */ 20365 private void checkPackageFrozen(String packageName) { 20366 synchronized (mPackages) { 20367 if (!mFrozenPackages.contains(packageName)) { 20368 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20369 } 20370 } 20371 } 20372 20373 @Override 20374 public int movePackage(final String packageName, final String volumeUuid) { 20375 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20376 20377 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20378 final int moveId = mNextMoveId.getAndIncrement(); 20379 mHandler.post(new Runnable() { 20380 @Override 20381 public void run() { 20382 try { 20383 movePackageInternal(packageName, volumeUuid, moveId, user); 20384 } catch (PackageManagerException e) { 20385 Slog.w(TAG, "Failed to move " + packageName, e); 20386 mMoveCallbacks.notifyStatusChanged(moveId, 20387 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20388 } 20389 } 20390 }); 20391 return moveId; 20392 } 20393 20394 private void movePackageInternal(final String packageName, final String volumeUuid, 20395 final int moveId, UserHandle user) throws PackageManagerException { 20396 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20397 final PackageManager pm = mContext.getPackageManager(); 20398 20399 final boolean currentAsec; 20400 final String currentVolumeUuid; 20401 final File codeFile; 20402 final String installerPackageName; 20403 final String packageAbiOverride; 20404 final int appId; 20405 final String seinfo; 20406 final String label; 20407 final int targetSdkVersion; 20408 final PackageFreezer freezer; 20409 final int[] installedUserIds; 20410 20411 // reader 20412 synchronized (mPackages) { 20413 final PackageParser.Package pkg = mPackages.get(packageName); 20414 final PackageSetting ps = mSettings.mPackages.get(packageName); 20415 if (pkg == null || ps == null) { 20416 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20417 } 20418 20419 if (pkg.applicationInfo.isSystemApp()) { 20420 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20421 "Cannot move system application"); 20422 } 20423 20424 if (pkg.applicationInfo.isExternalAsec()) { 20425 currentAsec = true; 20426 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20427 } else if (pkg.applicationInfo.isForwardLocked()) { 20428 currentAsec = true; 20429 currentVolumeUuid = "forward_locked"; 20430 } else { 20431 currentAsec = false; 20432 currentVolumeUuid = ps.volumeUuid; 20433 20434 final File probe = new File(pkg.codePath); 20435 final File probeOat = new File(probe, "oat"); 20436 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20437 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20438 "Move only supported for modern cluster style installs"); 20439 } 20440 } 20441 20442 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20443 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20444 "Package already moved to " + volumeUuid); 20445 } 20446 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20447 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20448 "Device admin cannot be moved"); 20449 } 20450 20451 if (mFrozenPackages.contains(packageName)) { 20452 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20453 "Failed to move already frozen package"); 20454 } 20455 20456 codeFile = new File(pkg.codePath); 20457 installerPackageName = ps.installerPackageName; 20458 packageAbiOverride = ps.cpuAbiOverrideString; 20459 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20460 seinfo = pkg.applicationInfo.seinfo; 20461 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20462 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20463 freezer = freezePackage(packageName, "movePackageInternal"); 20464 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20465 } 20466 20467 final Bundle extras = new Bundle(); 20468 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20469 extras.putString(Intent.EXTRA_TITLE, label); 20470 mMoveCallbacks.notifyCreated(moveId, extras); 20471 20472 int installFlags; 20473 final boolean moveCompleteApp; 20474 final File measurePath; 20475 20476 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20477 installFlags = INSTALL_INTERNAL; 20478 moveCompleteApp = !currentAsec; 20479 measurePath = Environment.getDataAppDirectory(volumeUuid); 20480 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20481 installFlags = INSTALL_EXTERNAL; 20482 moveCompleteApp = false; 20483 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20484 } else { 20485 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20486 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20487 || !volume.isMountedWritable()) { 20488 freezer.close(); 20489 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20490 "Move location not mounted private volume"); 20491 } 20492 20493 Preconditions.checkState(!currentAsec); 20494 20495 installFlags = INSTALL_INTERNAL; 20496 moveCompleteApp = true; 20497 measurePath = Environment.getDataAppDirectory(volumeUuid); 20498 } 20499 20500 final PackageStats stats = new PackageStats(null, -1); 20501 synchronized (mInstaller) { 20502 for (int userId : installedUserIds) { 20503 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20504 freezer.close(); 20505 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20506 "Failed to measure package size"); 20507 } 20508 } 20509 } 20510 20511 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20512 + stats.dataSize); 20513 20514 final long startFreeBytes = measurePath.getFreeSpace(); 20515 final long sizeBytes; 20516 if (moveCompleteApp) { 20517 sizeBytes = stats.codeSize + stats.dataSize; 20518 } else { 20519 sizeBytes = stats.codeSize; 20520 } 20521 20522 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20523 freezer.close(); 20524 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20525 "Not enough free space to move"); 20526 } 20527 20528 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20529 20530 final CountDownLatch installedLatch = new CountDownLatch(1); 20531 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20532 @Override 20533 public void onUserActionRequired(Intent intent) throws RemoteException { 20534 throw new IllegalStateException(); 20535 } 20536 20537 @Override 20538 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20539 Bundle extras) throws RemoteException { 20540 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20541 + PackageManager.installStatusToString(returnCode, msg)); 20542 20543 installedLatch.countDown(); 20544 freezer.close(); 20545 20546 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20547 switch (status) { 20548 case PackageInstaller.STATUS_SUCCESS: 20549 mMoveCallbacks.notifyStatusChanged(moveId, 20550 PackageManager.MOVE_SUCCEEDED); 20551 break; 20552 case PackageInstaller.STATUS_FAILURE_STORAGE: 20553 mMoveCallbacks.notifyStatusChanged(moveId, 20554 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20555 break; 20556 default: 20557 mMoveCallbacks.notifyStatusChanged(moveId, 20558 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20559 break; 20560 } 20561 } 20562 }; 20563 20564 final MoveInfo move; 20565 if (moveCompleteApp) { 20566 // Kick off a thread to report progress estimates 20567 new Thread() { 20568 @Override 20569 public void run() { 20570 while (true) { 20571 try { 20572 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20573 break; 20574 } 20575 } catch (InterruptedException ignored) { 20576 } 20577 20578 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20579 final int progress = 10 + (int) MathUtils.constrain( 20580 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20581 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20582 } 20583 } 20584 }.start(); 20585 20586 final String dataAppName = codeFile.getName(); 20587 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20588 dataAppName, appId, seinfo, targetSdkVersion); 20589 } else { 20590 move = null; 20591 } 20592 20593 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20594 20595 final Message msg = mHandler.obtainMessage(INIT_COPY); 20596 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20597 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20598 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20599 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20600 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20601 msg.obj = params; 20602 20603 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20604 System.identityHashCode(msg.obj)); 20605 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20606 System.identityHashCode(msg.obj)); 20607 20608 mHandler.sendMessage(msg); 20609 } 20610 20611 @Override 20612 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20613 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20614 20615 final int realMoveId = mNextMoveId.getAndIncrement(); 20616 final Bundle extras = new Bundle(); 20617 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20618 mMoveCallbacks.notifyCreated(realMoveId, extras); 20619 20620 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20621 @Override 20622 public void onCreated(int moveId, Bundle extras) { 20623 // Ignored 20624 } 20625 20626 @Override 20627 public void onStatusChanged(int moveId, int status, long estMillis) { 20628 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20629 } 20630 }; 20631 20632 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20633 storage.setPrimaryStorageUuid(volumeUuid, callback); 20634 return realMoveId; 20635 } 20636 20637 @Override 20638 public int getMoveStatus(int moveId) { 20639 mContext.enforceCallingOrSelfPermission( 20640 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20641 return mMoveCallbacks.mLastStatus.get(moveId); 20642 } 20643 20644 @Override 20645 public void registerMoveCallback(IPackageMoveObserver callback) { 20646 mContext.enforceCallingOrSelfPermission( 20647 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20648 mMoveCallbacks.register(callback); 20649 } 20650 20651 @Override 20652 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20653 mContext.enforceCallingOrSelfPermission( 20654 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20655 mMoveCallbacks.unregister(callback); 20656 } 20657 20658 @Override 20659 public boolean setInstallLocation(int loc) { 20660 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20661 null); 20662 if (getInstallLocation() == loc) { 20663 return true; 20664 } 20665 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20666 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20667 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20668 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20669 return true; 20670 } 20671 return false; 20672 } 20673 20674 @Override 20675 public int getInstallLocation() { 20676 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20677 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20678 PackageHelper.APP_INSTALL_AUTO); 20679 } 20680 20681 /** Called by UserManagerService */ 20682 void cleanUpUser(UserManagerService userManager, int userHandle) { 20683 synchronized (mPackages) { 20684 mDirtyUsers.remove(userHandle); 20685 mUserNeedsBadging.delete(userHandle); 20686 mSettings.removeUserLPw(userHandle); 20687 mPendingBroadcasts.remove(userHandle); 20688 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20689 removeUnusedPackagesLPw(userManager, userHandle); 20690 } 20691 } 20692 20693 /** 20694 * We're removing userHandle and would like to remove any downloaded packages 20695 * that are no longer in use by any other user. 20696 * @param userHandle the user being removed 20697 */ 20698 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20699 final boolean DEBUG_CLEAN_APKS = false; 20700 int [] users = userManager.getUserIds(); 20701 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20702 while (psit.hasNext()) { 20703 PackageSetting ps = psit.next(); 20704 if (ps.pkg == null) { 20705 continue; 20706 } 20707 final String packageName = ps.pkg.packageName; 20708 // Skip over if system app 20709 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20710 continue; 20711 } 20712 if (DEBUG_CLEAN_APKS) { 20713 Slog.i(TAG, "Checking package " + packageName); 20714 } 20715 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20716 if (keep) { 20717 if (DEBUG_CLEAN_APKS) { 20718 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20719 } 20720 } else { 20721 for (int i = 0; i < users.length; i++) { 20722 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20723 keep = true; 20724 if (DEBUG_CLEAN_APKS) { 20725 Slog.i(TAG, " Keeping package " + packageName + " for user " 20726 + users[i]); 20727 } 20728 break; 20729 } 20730 } 20731 } 20732 if (!keep) { 20733 if (DEBUG_CLEAN_APKS) { 20734 Slog.i(TAG, " Removing package " + packageName); 20735 } 20736 mHandler.post(new Runnable() { 20737 public void run() { 20738 deletePackageX(packageName, userHandle, 0); 20739 } //end run 20740 }); 20741 } 20742 } 20743 } 20744 20745 /** Called by UserManagerService */ 20746 void createNewUser(int userId, String[] disallowedPackages) { 20747 synchronized (mInstallLock) { 20748 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 20749 } 20750 synchronized (mPackages) { 20751 scheduleWritePackageRestrictionsLocked(userId); 20752 scheduleWritePackageListLocked(userId); 20753 applyFactoryDefaultBrowserLPw(userId); 20754 primeDomainVerificationsLPw(userId); 20755 } 20756 } 20757 20758 void onNewUserCreated(final int userId) { 20759 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20760 // If permission review for legacy apps is required, we represent 20761 // dagerous permissions for such apps as always granted runtime 20762 // permissions to keep per user flag state whether review is needed. 20763 // Hence, if a new user is added we have to propagate dangerous 20764 // permission grants for these legacy apps. 20765 if (mPermissionReviewRequired) { 20766 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20767 | UPDATE_PERMISSIONS_REPLACE_ALL); 20768 } 20769 } 20770 20771 @Override 20772 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20773 mContext.enforceCallingOrSelfPermission( 20774 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20775 "Only package verification agents can read the verifier device identity"); 20776 20777 synchronized (mPackages) { 20778 return mSettings.getVerifierDeviceIdentityLPw(); 20779 } 20780 } 20781 20782 @Override 20783 public void setPermissionEnforced(String permission, boolean enforced) { 20784 // TODO: Now that we no longer change GID for storage, this should to away. 20785 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20786 "setPermissionEnforced"); 20787 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20788 synchronized (mPackages) { 20789 if (mSettings.mReadExternalStorageEnforced == null 20790 || mSettings.mReadExternalStorageEnforced != enforced) { 20791 mSettings.mReadExternalStorageEnforced = enforced; 20792 mSettings.writeLPr(); 20793 } 20794 } 20795 // kill any non-foreground processes so we restart them and 20796 // grant/revoke the GID. 20797 final IActivityManager am = ActivityManagerNative.getDefault(); 20798 if (am != null) { 20799 final long token = Binder.clearCallingIdentity(); 20800 try { 20801 am.killProcessesBelowForeground("setPermissionEnforcement"); 20802 } catch (RemoteException e) { 20803 } finally { 20804 Binder.restoreCallingIdentity(token); 20805 } 20806 } 20807 } else { 20808 throw new IllegalArgumentException("No selective enforcement for " + permission); 20809 } 20810 } 20811 20812 @Override 20813 @Deprecated 20814 public boolean isPermissionEnforced(String permission) { 20815 return true; 20816 } 20817 20818 @Override 20819 public boolean isStorageLow() { 20820 final long token = Binder.clearCallingIdentity(); 20821 try { 20822 final DeviceStorageMonitorInternal 20823 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20824 if (dsm != null) { 20825 return dsm.isMemoryLow(); 20826 } else { 20827 return false; 20828 } 20829 } finally { 20830 Binder.restoreCallingIdentity(token); 20831 } 20832 } 20833 20834 @Override 20835 public IPackageInstaller getPackageInstaller() { 20836 return mInstallerService; 20837 } 20838 20839 private boolean userNeedsBadging(int userId) { 20840 int index = mUserNeedsBadging.indexOfKey(userId); 20841 if (index < 0) { 20842 final UserInfo userInfo; 20843 final long token = Binder.clearCallingIdentity(); 20844 try { 20845 userInfo = sUserManager.getUserInfo(userId); 20846 } finally { 20847 Binder.restoreCallingIdentity(token); 20848 } 20849 final boolean b; 20850 if (userInfo != null && userInfo.isManagedProfile()) { 20851 b = true; 20852 } else { 20853 b = false; 20854 } 20855 mUserNeedsBadging.put(userId, b); 20856 return b; 20857 } 20858 return mUserNeedsBadging.valueAt(index); 20859 } 20860 20861 @Override 20862 public KeySet getKeySetByAlias(String packageName, String alias) { 20863 if (packageName == null || alias == null) { 20864 return null; 20865 } 20866 synchronized(mPackages) { 20867 final PackageParser.Package pkg = mPackages.get(packageName); 20868 if (pkg == null) { 20869 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20870 throw new IllegalArgumentException("Unknown package: " + packageName); 20871 } 20872 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20873 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20874 } 20875 } 20876 20877 @Override 20878 public KeySet getSigningKeySet(String packageName) { 20879 if (packageName == null) { 20880 return null; 20881 } 20882 synchronized(mPackages) { 20883 final PackageParser.Package pkg = mPackages.get(packageName); 20884 if (pkg == null) { 20885 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20886 throw new IllegalArgumentException("Unknown package: " + packageName); 20887 } 20888 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20889 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20890 throw new SecurityException("May not access signing KeySet of other apps."); 20891 } 20892 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20893 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20894 } 20895 } 20896 20897 @Override 20898 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20899 if (packageName == null || ks == null) { 20900 return false; 20901 } 20902 synchronized(mPackages) { 20903 final PackageParser.Package pkg = mPackages.get(packageName); 20904 if (pkg == null) { 20905 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20906 throw new IllegalArgumentException("Unknown package: " + packageName); 20907 } 20908 IBinder ksh = ks.getToken(); 20909 if (ksh instanceof KeySetHandle) { 20910 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20911 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20912 } 20913 return false; 20914 } 20915 } 20916 20917 @Override 20918 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20919 if (packageName == null || ks == null) { 20920 return false; 20921 } 20922 synchronized(mPackages) { 20923 final PackageParser.Package pkg = mPackages.get(packageName); 20924 if (pkg == null) { 20925 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20926 throw new IllegalArgumentException("Unknown package: " + packageName); 20927 } 20928 IBinder ksh = ks.getToken(); 20929 if (ksh instanceof KeySetHandle) { 20930 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20931 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20932 } 20933 return false; 20934 } 20935 } 20936 20937 private void deletePackageIfUnusedLPr(final String packageName) { 20938 PackageSetting ps = mSettings.mPackages.get(packageName); 20939 if (ps == null) { 20940 return; 20941 } 20942 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20943 // TODO Implement atomic delete if package is unused 20944 // It is currently possible that the package will be deleted even if it is installed 20945 // after this method returns. 20946 mHandler.post(new Runnable() { 20947 public void run() { 20948 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20949 } 20950 }); 20951 } 20952 } 20953 20954 /** 20955 * Check and throw if the given before/after packages would be considered a 20956 * downgrade. 20957 */ 20958 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20959 throws PackageManagerException { 20960 if (after.versionCode < before.mVersionCode) { 20961 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20962 "Update version code " + after.versionCode + " is older than current " 20963 + before.mVersionCode); 20964 } else if (after.versionCode == before.mVersionCode) { 20965 if (after.baseRevisionCode < before.baseRevisionCode) { 20966 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20967 "Update base revision code " + after.baseRevisionCode 20968 + " is older than current " + before.baseRevisionCode); 20969 } 20970 20971 if (!ArrayUtils.isEmpty(after.splitNames)) { 20972 for (int i = 0; i < after.splitNames.length; i++) { 20973 final String splitName = after.splitNames[i]; 20974 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20975 if (j != -1) { 20976 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20977 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20978 "Update split " + splitName + " revision code " 20979 + after.splitRevisionCodes[i] + " is older than current " 20980 + before.splitRevisionCodes[j]); 20981 } 20982 } 20983 } 20984 } 20985 } 20986 } 20987 20988 private static class MoveCallbacks extends Handler { 20989 private static final int MSG_CREATED = 1; 20990 private static final int MSG_STATUS_CHANGED = 2; 20991 20992 private final RemoteCallbackList<IPackageMoveObserver> 20993 mCallbacks = new RemoteCallbackList<>(); 20994 20995 private final SparseIntArray mLastStatus = new SparseIntArray(); 20996 20997 public MoveCallbacks(Looper looper) { 20998 super(looper); 20999 } 21000 21001 public void register(IPackageMoveObserver callback) { 21002 mCallbacks.register(callback); 21003 } 21004 21005 public void unregister(IPackageMoveObserver callback) { 21006 mCallbacks.unregister(callback); 21007 } 21008 21009 @Override 21010 public void handleMessage(Message msg) { 21011 final SomeArgs args = (SomeArgs) msg.obj; 21012 final int n = mCallbacks.beginBroadcast(); 21013 for (int i = 0; i < n; i++) { 21014 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 21015 try { 21016 invokeCallback(callback, msg.what, args); 21017 } catch (RemoteException ignored) { 21018 } 21019 } 21020 mCallbacks.finishBroadcast(); 21021 args.recycle(); 21022 } 21023 21024 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 21025 throws RemoteException { 21026 switch (what) { 21027 case MSG_CREATED: { 21028 callback.onCreated(args.argi1, (Bundle) args.arg2); 21029 break; 21030 } 21031 case MSG_STATUS_CHANGED: { 21032 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 21033 break; 21034 } 21035 } 21036 } 21037 21038 private void notifyCreated(int moveId, Bundle extras) { 21039 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 21040 21041 final SomeArgs args = SomeArgs.obtain(); 21042 args.argi1 = moveId; 21043 args.arg2 = extras; 21044 obtainMessage(MSG_CREATED, args).sendToTarget(); 21045 } 21046 21047 private void notifyStatusChanged(int moveId, int status) { 21048 notifyStatusChanged(moveId, status, -1); 21049 } 21050 21051 private void notifyStatusChanged(int moveId, int status, long estMillis) { 21052 Slog.v(TAG, "Move " + moveId + " status " + status); 21053 21054 final SomeArgs args = SomeArgs.obtain(); 21055 args.argi1 = moveId; 21056 args.argi2 = status; 21057 args.arg3 = estMillis; 21058 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 21059 21060 synchronized (mLastStatus) { 21061 mLastStatus.put(moveId, status); 21062 } 21063 } 21064 } 21065 21066 private final static class OnPermissionChangeListeners extends Handler { 21067 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 21068 21069 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 21070 new RemoteCallbackList<>(); 21071 21072 public OnPermissionChangeListeners(Looper looper) { 21073 super(looper); 21074 } 21075 21076 @Override 21077 public void handleMessage(Message msg) { 21078 switch (msg.what) { 21079 case MSG_ON_PERMISSIONS_CHANGED: { 21080 final int uid = msg.arg1; 21081 handleOnPermissionsChanged(uid); 21082 } break; 21083 } 21084 } 21085 21086 public void addListenerLocked(IOnPermissionsChangeListener listener) { 21087 mPermissionListeners.register(listener); 21088 21089 } 21090 21091 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 21092 mPermissionListeners.unregister(listener); 21093 } 21094 21095 public void onPermissionsChanged(int uid) { 21096 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 21097 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 21098 } 21099 } 21100 21101 private void handleOnPermissionsChanged(int uid) { 21102 final int count = mPermissionListeners.beginBroadcast(); 21103 try { 21104 for (int i = 0; i < count; i++) { 21105 IOnPermissionsChangeListener callback = mPermissionListeners 21106 .getBroadcastItem(i); 21107 try { 21108 callback.onPermissionsChanged(uid); 21109 } catch (RemoteException e) { 21110 Log.e(TAG, "Permission listener is dead", e); 21111 } 21112 } 21113 } finally { 21114 mPermissionListeners.finishBroadcast(); 21115 } 21116 } 21117 } 21118 21119 private class PackageManagerInternalImpl extends PackageManagerInternal { 21120 @Override 21121 public void setLocationPackagesProvider(PackagesProvider provider) { 21122 synchronized (mPackages) { 21123 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 21124 } 21125 } 21126 21127 @Override 21128 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 21129 synchronized (mPackages) { 21130 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 21131 } 21132 } 21133 21134 @Override 21135 public void setSmsAppPackagesProvider(PackagesProvider provider) { 21136 synchronized (mPackages) { 21137 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 21138 } 21139 } 21140 21141 @Override 21142 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21143 synchronized (mPackages) { 21144 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21145 } 21146 } 21147 21148 @Override 21149 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21150 synchronized (mPackages) { 21151 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21152 } 21153 } 21154 21155 @Override 21156 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21157 synchronized (mPackages) { 21158 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21159 } 21160 } 21161 21162 @Override 21163 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21164 synchronized (mPackages) { 21165 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21166 packageName, userId); 21167 } 21168 } 21169 21170 @Override 21171 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21172 synchronized (mPackages) { 21173 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21174 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21175 packageName, userId); 21176 } 21177 } 21178 21179 @Override 21180 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21181 synchronized (mPackages) { 21182 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21183 packageName, userId); 21184 } 21185 } 21186 21187 @Override 21188 public void setKeepUninstalledPackages(final List<String> packageList) { 21189 Preconditions.checkNotNull(packageList); 21190 List<String> removedFromList = null; 21191 synchronized (mPackages) { 21192 if (mKeepUninstalledPackages != null) { 21193 final int packagesCount = mKeepUninstalledPackages.size(); 21194 for (int i = 0; i < packagesCount; i++) { 21195 String oldPackage = mKeepUninstalledPackages.get(i); 21196 if (packageList != null && packageList.contains(oldPackage)) { 21197 continue; 21198 } 21199 if (removedFromList == null) { 21200 removedFromList = new ArrayList<>(); 21201 } 21202 removedFromList.add(oldPackage); 21203 } 21204 } 21205 mKeepUninstalledPackages = new ArrayList<>(packageList); 21206 if (removedFromList != null) { 21207 final int removedCount = removedFromList.size(); 21208 for (int i = 0; i < removedCount; i++) { 21209 deletePackageIfUnusedLPr(removedFromList.get(i)); 21210 } 21211 } 21212 } 21213 } 21214 21215 @Override 21216 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21217 synchronized (mPackages) { 21218 // If we do not support permission review, done. 21219 if (!mPermissionReviewRequired) { 21220 return false; 21221 } 21222 21223 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21224 if (packageSetting == null) { 21225 return false; 21226 } 21227 21228 // Permission review applies only to apps not supporting the new permission model. 21229 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21230 return false; 21231 } 21232 21233 // Legacy apps have the permission and get user consent on launch. 21234 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21235 return permissionsState.isPermissionReviewRequired(userId); 21236 } 21237 } 21238 21239 @Override 21240 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21241 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21242 } 21243 21244 @Override 21245 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21246 int userId) { 21247 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21248 } 21249 21250 @Override 21251 public void setDeviceAndProfileOwnerPackages( 21252 int deviceOwnerUserId, String deviceOwnerPackage, 21253 SparseArray<String> profileOwnerPackages) { 21254 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21255 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21256 } 21257 21258 @Override 21259 public boolean isPackageDataProtected(int userId, String packageName) { 21260 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21261 } 21262 21263 @Override 21264 public boolean wasPackageEverLaunched(String packageName, int userId) { 21265 synchronized (mPackages) { 21266 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21267 } 21268 } 21269 21270 @Override 21271 public void grantRuntimePermission(String packageName, String name, int userId, 21272 boolean overridePolicy) { 21273 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 21274 overridePolicy); 21275 } 21276 21277 @Override 21278 public void revokeRuntimePermission(String packageName, String name, int userId, 21279 boolean overridePolicy) { 21280 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 21281 overridePolicy); 21282 } 21283 21284 @Override 21285 public String getNameForUid(int uid) { 21286 return PackageManagerService.this.getNameForUid(uid); 21287 } 21288 } 21289 21290 @Override 21291 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21292 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21293 synchronized (mPackages) { 21294 final long identity = Binder.clearCallingIdentity(); 21295 try { 21296 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21297 packageNames, userId); 21298 } finally { 21299 Binder.restoreCallingIdentity(identity); 21300 } 21301 } 21302 } 21303 21304 private static void enforceSystemOrPhoneCaller(String tag) { 21305 int callingUid = Binder.getCallingUid(); 21306 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21307 throw new SecurityException( 21308 "Cannot call " + tag + " from UID " + callingUid); 21309 } 21310 } 21311 21312 boolean isHistoricalPackageUsageAvailable() { 21313 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21314 } 21315 21316 /** 21317 * Return a <b>copy</b> of the collection of packages known to the package manager. 21318 * @return A copy of the values of mPackages. 21319 */ 21320 Collection<PackageParser.Package> getPackages() { 21321 synchronized (mPackages) { 21322 return new ArrayList<>(mPackages.values()); 21323 } 21324 } 21325 21326 /** 21327 * Logs process start information (including base APK hash) to the security log. 21328 * @hide 21329 */ 21330 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21331 String apkFile, int pid) { 21332 if (!SecurityLog.isLoggingEnabled()) { 21333 return; 21334 } 21335 Bundle data = new Bundle(); 21336 data.putLong("startTimestamp", System.currentTimeMillis()); 21337 data.putString("processName", processName); 21338 data.putInt("uid", uid); 21339 data.putString("seinfo", seinfo); 21340 data.putString("apkFile", apkFile); 21341 data.putInt("pid", pid); 21342 Message msg = mProcessLoggingHandler.obtainMessage( 21343 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21344 msg.setData(data); 21345 mProcessLoggingHandler.sendMessage(msg); 21346 } 21347 21348 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21349 return mCompilerStats.getPackageStats(pkgName); 21350 } 21351 21352 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21353 return getOrCreateCompilerPackageStats(pkg.packageName); 21354 } 21355 21356 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21357 return mCompilerStats.getOrCreatePackageStats(pkgName); 21358 } 21359 21360 public void deleteCompilerPackageStats(String pkgName) { 21361 mCompilerStats.deletePackageStats(pkgName); 21362 } 21363} 21364