PackageManagerService.java revision 4c43fbd1da217cde46fef62e05c9b4fd6ff116fe
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.Context; 113import android.content.IIntentReceiver; 114import android.content.Intent; 115import android.content.IntentFilter; 116import android.content.IntentSender; 117import android.content.IntentSender.SendIntentException; 118import android.content.ServiceConnection; 119import android.content.pm.ActivityInfo; 120import android.content.pm.ApplicationInfo; 121import android.content.pm.AppsQueryHelper; 122import android.content.pm.ComponentInfo; 123import android.content.pm.EphemeralApplicationInfo; 124import android.content.pm.EphemeralResolveInfo; 125import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 126import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 127import android.content.pm.FeatureInfo; 128import android.content.pm.IOnPermissionsChangeListener; 129import android.content.pm.IPackageDataObserver; 130import android.content.pm.IPackageDeleteObserver; 131import android.content.pm.IPackageDeleteObserver2; 132import android.content.pm.IPackageInstallObserver2; 133import android.content.pm.IPackageInstaller; 134import android.content.pm.IPackageManager; 135import android.content.pm.IPackageMoveObserver; 136import android.content.pm.IPackageStatsObserver; 137import android.content.pm.InstrumentationInfo; 138import android.content.pm.IntentFilterVerificationInfo; 139import android.content.pm.KeySet; 140import android.content.pm.PackageCleanItem; 141import android.content.pm.PackageInfo; 142import android.content.pm.PackageInfoLite; 143import android.content.pm.PackageInstaller; 144import android.content.pm.PackageManager; 145import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 146import android.content.pm.PackageManagerInternal; 147import android.content.pm.PackageParser; 148import android.content.pm.PackageParser.ActivityIntentInfo; 149import android.content.pm.PackageParser.PackageLite; 150import android.content.pm.PackageParser.PackageParserException; 151import android.content.pm.PackageStats; 152import android.content.pm.PackageUserState; 153import android.content.pm.ParceledListSlice; 154import android.content.pm.PermissionGroupInfo; 155import android.content.pm.PermissionInfo; 156import android.content.pm.ProviderInfo; 157import android.content.pm.ResolveInfo; 158import android.content.pm.ServiceInfo; 159import android.content.pm.Signature; 160import android.content.pm.UserInfo; 161import android.content.pm.VerifierDeviceIdentity; 162import android.content.pm.VerifierInfo; 163import android.content.res.Resources; 164import android.graphics.Bitmap; 165import android.hardware.display.DisplayManager; 166import android.net.Uri; 167import android.os.Binder; 168import android.os.Build; 169import android.os.Bundle; 170import android.os.Debug; 171import android.os.Environment; 172import android.os.Environment.UserEnvironment; 173import android.os.FileUtils; 174import android.os.Handler; 175import android.os.IBinder; 176import android.os.Looper; 177import android.os.Message; 178import android.os.Parcel; 179import android.os.ParcelFileDescriptor; 180import android.os.PatternMatcher; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.UserManagerInternal; 193import android.os.storage.IMountService; 194import android.os.storage.MountServiceInternal; 195import android.os.storage.StorageEventListener; 196import android.os.storage.StorageManager; 197import android.os.storage.VolumeInfo; 198import android.os.storage.VolumeRecord; 199import android.provider.Settings.Global; 200import android.security.KeyStore; 201import android.security.SystemKeyStore; 202import android.system.ErrnoException; 203import android.system.Os; 204import android.text.TextUtils; 205import android.text.format.DateUtils; 206import android.util.ArrayMap; 207import android.util.ArraySet; 208import android.util.DisplayMetrics; 209import android.util.EventLog; 210import android.util.ExceptionUtils; 211import android.util.Log; 212import android.util.LogPrinter; 213import android.util.MathUtils; 214import android.util.PrintStreamPrinter; 215import android.util.Slog; 216import android.util.SparseArray; 217import android.util.SparseBooleanArray; 218import android.util.SparseIntArray; 219import android.util.Xml; 220import android.util.jar.StrictJarFile; 221import android.view.Display; 222 223import com.android.internal.R; 224import com.android.internal.annotations.GuardedBy; 225import com.android.internal.app.IMediaContainerService; 226import com.android.internal.app.ResolverActivity; 227import com.android.internal.content.NativeLibraryHelper; 228import com.android.internal.content.PackageHelper; 229import com.android.internal.logging.MetricsLogger; 230import com.android.internal.os.IParcelFileDescriptorFactory; 231import com.android.internal.os.InstallerConnection.InstallerException; 232import com.android.internal.os.SomeArgs; 233import com.android.internal.os.Zygote; 234import com.android.internal.telephony.CarrierAppUtils; 235import com.android.internal.util.ArrayUtils; 236import com.android.internal.util.FastPrintWriter; 237import com.android.internal.util.FastXmlSerializer; 238import com.android.internal.util.IndentingPrintWriter; 239import com.android.internal.util.Preconditions; 240import com.android.internal.util.XmlUtils; 241import com.android.server.AttributeCache; 242import com.android.server.EventLogTags; 243import com.android.server.FgThread; 244import com.android.server.IntentResolver; 245import com.android.server.LocalServices; 246import com.android.server.ServiceThread; 247import com.android.server.SystemConfig; 248import com.android.server.Watchdog; 249import com.android.server.net.NetworkPolicyManagerInternal; 250import com.android.server.pm.PermissionsState.PermissionState; 251import com.android.server.pm.Settings.DatabaseVersion; 252import com.android.server.pm.Settings.VersionInfo; 253import com.android.server.storage.DeviceStorageMonitorInternal; 254 255import dalvik.system.CloseGuard; 256import dalvik.system.DexFile; 257import dalvik.system.VMRuntime; 258 259import libcore.io.IoUtils; 260import libcore.util.EmptyArray; 261 262import org.xmlpull.v1.XmlPullParser; 263import org.xmlpull.v1.XmlPullParserException; 264import org.xmlpull.v1.XmlSerializer; 265 266import java.io.BufferedOutputStream; 267import java.io.BufferedReader; 268import java.io.ByteArrayInputStream; 269import java.io.ByteArrayOutputStream; 270import java.io.File; 271import java.io.FileDescriptor; 272import java.io.FileInputStream; 273import java.io.FileNotFoundException; 274import java.io.FileOutputStream; 275import java.io.FileReader; 276import java.io.FilenameFilter; 277import java.io.IOException; 278import java.io.PrintWriter; 279import java.nio.charset.StandardCharsets; 280import java.security.DigestInputStream; 281import java.security.MessageDigest; 282import java.security.NoSuchAlgorithmException; 283import java.security.PublicKey; 284import java.security.cert.Certificate; 285import java.security.cert.CertificateEncodingException; 286import java.security.cert.CertificateException; 287import java.text.SimpleDateFormat; 288import java.util.ArrayList; 289import java.util.Arrays; 290import java.util.Collection; 291import java.util.Collections; 292import java.util.Comparator; 293import java.util.Date; 294import java.util.HashSet; 295import java.util.Iterator; 296import java.util.List; 297import java.util.Map; 298import java.util.Objects; 299import java.util.Set; 300import java.util.concurrent.CountDownLatch; 301import java.util.concurrent.TimeUnit; 302import java.util.concurrent.atomic.AtomicBoolean; 303import java.util.concurrent.atomic.AtomicInteger; 304 305/** 306 * Keep track of all those APKs everywhere. 307 * <p> 308 * Internally there are two important locks: 309 * <ul> 310 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 311 * and other related state. It is a fine-grained lock that should only be held 312 * momentarily, as it's one of the most contended locks in the system. 313 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 314 * operations typically involve heavy lifting of application data on disk. Since 315 * {@code installd} is single-threaded, and it's operations can often be slow, 316 * this lock should never be acquired while already holding {@link #mPackages}. 317 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 318 * holding {@link #mInstallLock}. 319 * </ul> 320 * Many internal methods rely on the caller to hold the appropriate locks, and 321 * this contract is expressed through method name suffixes: 322 * <ul> 323 * <li>fooLI(): the caller must hold {@link #mInstallLock} 324 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 325 * being modified must be frozen 326 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 327 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 328 * </ul> 329 * <p> 330 * Because this class is very central to the platform's security; please run all 331 * CTS and unit tests whenever making modifications: 332 * 333 * <pre> 334 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 335 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 336 * </pre> 337 */ 338public class PackageManagerService extends IPackageManager.Stub { 339 static final String TAG = "PackageManager"; 340 static final boolean DEBUG_SETTINGS = false; 341 static final boolean DEBUG_PREFERRED = false; 342 static final boolean DEBUG_UPGRADE = false; 343 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 344 private static final boolean DEBUG_BACKUP = false; 345 private static final boolean DEBUG_INSTALL = false; 346 private static final boolean DEBUG_REMOVE = false; 347 private static final boolean DEBUG_BROADCASTS = false; 348 private static final boolean DEBUG_SHOW_INFO = false; 349 private static final boolean DEBUG_PACKAGE_INFO = false; 350 private static final boolean DEBUG_INTENT_MATCHING = false; 351 private static final boolean DEBUG_PACKAGE_SCANNING = false; 352 private static final boolean DEBUG_VERIFY = false; 353 private static final boolean DEBUG_FILTERS = false; 354 355 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 356 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 357 // user, but by default initialize to this. 358 static final boolean DEBUG_DEXOPT = false; 359 360 private static final boolean DEBUG_ABI_SELECTION = false; 361 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 362 private static final boolean DEBUG_TRIAGED_MISSING = false; 363 private static final boolean DEBUG_APP_DATA = false; 364 365 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 366 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 367 368 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 369 370 private static final int RADIO_UID = Process.PHONE_UID; 371 private static final int LOG_UID = Process.LOG_UID; 372 private static final int NFC_UID = Process.NFC_UID; 373 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 374 private static final int SHELL_UID = Process.SHELL_UID; 375 376 // Cap the size of permission trees that 3rd party apps can define 377 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 378 379 // Suffix used during package installation when copying/moving 380 // package apks to install directory. 381 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 382 383 static final int SCAN_NO_DEX = 1<<1; 384 static final int SCAN_FORCE_DEX = 1<<2; 385 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 386 static final int SCAN_NEW_INSTALL = 1<<4; 387 static final int SCAN_NO_PATHS = 1<<5; 388 static final int SCAN_UPDATE_TIME = 1<<6; 389 static final int SCAN_DEFER_DEX = 1<<7; 390 static final int SCAN_BOOTING = 1<<8; 391 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 392 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 393 static final int SCAN_REPLACING = 1<<11; 394 static final int SCAN_REQUIRE_KNOWN = 1<<12; 395 static final int SCAN_MOVE = 1<<13; 396 static final int SCAN_INITIAL = 1<<14; 397 static final int SCAN_CHECK_ONLY = 1<<15; 398 static final int SCAN_DONT_KILL_APP = 1<<17; 399 static final int SCAN_IGNORE_FROZEN = 1<<18; 400 401 static final int REMOVE_CHATTY = 1<<16; 402 403 private static final int[] EMPTY_INT_ARRAY = new int[0]; 404 405 /** 406 * Timeout (in milliseconds) after which the watchdog should declare that 407 * our handler thread is wedged. The usual default for such things is one 408 * minute but we sometimes do very lengthy I/O operations on this thread, 409 * such as installing multi-gigabyte applications, so ours needs to be longer. 410 */ 411 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 412 413 /** 414 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 415 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 416 * settings entry if available, otherwise we use the hardcoded default. If it's been 417 * more than this long since the last fstrim, we force one during the boot sequence. 418 * 419 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 420 * one gets run at the next available charging+idle time. This final mandatory 421 * no-fstrim check kicks in only of the other scheduling criteria is never met. 422 */ 423 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 424 425 /** 426 * Whether verification is enabled by default. 427 */ 428 private static final boolean DEFAULT_VERIFY_ENABLE = true; 429 430 /** 431 * The default maximum time to wait for the verification agent to return in 432 * milliseconds. 433 */ 434 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 435 436 /** 437 * The default response for package verification timeout. 438 * 439 * This can be either PackageManager.VERIFICATION_ALLOW or 440 * PackageManager.VERIFICATION_REJECT. 441 */ 442 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 443 444 static final String PLATFORM_PACKAGE_NAME = "android"; 445 446 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 447 448 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 449 DEFAULT_CONTAINER_PACKAGE, 450 "com.android.defcontainer.DefaultContainerService"); 451 452 private static final String KILL_APP_REASON_GIDS_CHANGED = 453 "permission grant or revoke changed gids"; 454 455 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 456 "permissions revoked"; 457 458 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 459 460 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 461 462 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 463 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 464 465 /** Permission grant: not grant the permission. */ 466 private static final int GRANT_DENIED = 1; 467 468 /** Permission grant: grant the permission as an install permission. */ 469 private static final int GRANT_INSTALL = 2; 470 471 /** Permission grant: grant the permission as a runtime one. */ 472 private static final int GRANT_RUNTIME = 3; 473 474 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 475 private static final int GRANT_UPGRADE = 4; 476 477 /** Canonical intent used to identify what counts as a "web browser" app */ 478 private static final Intent sBrowserIntent; 479 static { 480 sBrowserIntent = new Intent(); 481 sBrowserIntent.setAction(Intent.ACTION_VIEW); 482 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 483 sBrowserIntent.setData(Uri.parse("http:")); 484 } 485 486 /** 487 * The set of all protected actions [i.e. those actions for which a high priority 488 * intent filter is disallowed]. 489 */ 490 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 491 static { 492 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 493 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 494 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 495 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 496 } 497 498 // Compilation reasons. 499 public static final int REASON_FIRST_BOOT = 0; 500 public static final int REASON_BOOT = 1; 501 public static final int REASON_INSTALL = 2; 502 public static final int REASON_BACKGROUND_DEXOPT = 3; 503 public static final int REASON_AB_OTA = 4; 504 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 505 public static final int REASON_SHARED_APK = 6; 506 public static final int REASON_FORCED_DEXOPT = 7; 507 public static final int REASON_CORE_APP = 8; 508 509 public static final int REASON_LAST = REASON_CORE_APP; 510 511 /** Special library name that skips shared libraries check during compilation. */ 512 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 513 514 final ServiceThread mHandlerThread; 515 516 final PackageHandler mHandler; 517 518 private final ProcessLoggingHandler mProcessLoggingHandler; 519 520 /** 521 * Messages for {@link #mHandler} that need to wait for system ready before 522 * being dispatched. 523 */ 524 private ArrayList<Message> mPostSystemReadyMessages; 525 526 final int mSdkVersion = Build.VERSION.SDK_INT; 527 528 final Context mContext; 529 final boolean mFactoryTest; 530 final boolean mOnlyCore; 531 final DisplayMetrics mMetrics; 532 final int mDefParseFlags; 533 final String[] mSeparateProcesses; 534 final boolean mIsUpgrade; 535 final boolean mIsPreNUpgrade; 536 537 /** The location for ASEC container files on internal storage. */ 538 final String mAsecInternalPath; 539 540 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 541 // LOCK HELD. Can be called with mInstallLock held. 542 @GuardedBy("mInstallLock") 543 final Installer mInstaller; 544 545 /** Directory where installed third-party apps stored */ 546 final File mAppInstallDir; 547 final File mEphemeralInstallDir; 548 549 /** 550 * Directory to which applications installed internally have their 551 * 32 bit native libraries copied. 552 */ 553 private File mAppLib32InstallDir; 554 555 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 556 // apps. 557 final File mDrmAppPrivateInstallDir; 558 559 // ---------------------------------------------------------------- 560 561 // Lock for state used when installing and doing other long running 562 // operations. Methods that must be called with this lock held have 563 // the suffix "LI". 564 final Object mInstallLock = new Object(); 565 566 // ---------------------------------------------------------------- 567 568 // Keys are String (package name), values are Package. This also serves 569 // as the lock for the global state. Methods that must be called with 570 // this lock held have the prefix "LP". 571 @GuardedBy("mPackages") 572 final ArrayMap<String, PackageParser.Package> mPackages = 573 new ArrayMap<String, PackageParser.Package>(); 574 575 final ArrayMap<String, Set<String>> mKnownCodebase = 576 new ArrayMap<String, Set<String>>(); 577 578 // Tracks available target package names -> overlay package paths. 579 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 580 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 581 582 /** 583 * Tracks new system packages [received in an OTA] that we expect to 584 * find updated user-installed versions. Keys are package name, values 585 * are package location. 586 */ 587 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 588 /** 589 * Tracks high priority intent filters for protected actions. During boot, certain 590 * filter actions are protected and should never be allowed to have a high priority 591 * intent filter for them. However, there is one, and only one exception -- the 592 * setup wizard. It must be able to define a high priority intent filter for these 593 * actions to ensure there are no escapes from the wizard. We need to delay processing 594 * of these during boot as we need to look at all of the system packages in order 595 * to know which component is the setup wizard. 596 */ 597 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 598 /** 599 * Whether or not processing protected filters should be deferred. 600 */ 601 private boolean mDeferProtectedFilters = true; 602 603 /** 604 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 605 */ 606 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 607 /** 608 * Whether or not system app permissions should be promoted from install to runtime. 609 */ 610 boolean mPromoteSystemApps; 611 612 @GuardedBy("mPackages") 613 final Settings mSettings; 614 615 /** 616 * Set of package names that are currently "frozen", which means active 617 * surgery is being done on the code/data for that package. The platform 618 * will refuse to launch frozen packages to avoid race conditions. 619 * 620 * @see PackageFreezer 621 */ 622 @GuardedBy("mPackages") 623 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 624 625 final ProtectedPackages mProtectedPackages; 626 627 boolean mFirstBoot; 628 629 // System configuration read by SystemConfig. 630 final int[] mGlobalGids; 631 final SparseArray<ArraySet<String>> mSystemPermissions; 632 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 633 634 // If mac_permissions.xml was found for seinfo labeling. 635 boolean mFoundPolicyFile; 636 637 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 638 639 public static final class SharedLibraryEntry { 640 public final String path; 641 public final String apk; 642 643 SharedLibraryEntry(String _path, String _apk) { 644 path = _path; 645 apk = _apk; 646 } 647 } 648 649 // Currently known shared libraries. 650 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 651 new ArrayMap<String, SharedLibraryEntry>(); 652 653 // All available activities, for your resolving pleasure. 654 final ActivityIntentResolver mActivities = 655 new ActivityIntentResolver(); 656 657 // All available receivers, for your resolving pleasure. 658 final ActivityIntentResolver mReceivers = 659 new ActivityIntentResolver(); 660 661 // All available services, for your resolving pleasure. 662 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 663 664 // All available providers, for your resolving pleasure. 665 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 666 667 // Mapping from provider base names (first directory in content URI codePath) 668 // to the provider information. 669 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 670 new ArrayMap<String, PackageParser.Provider>(); 671 672 // Mapping from instrumentation class names to info about them. 673 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 674 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 675 676 // Mapping from permission names to info about them. 677 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 678 new ArrayMap<String, PackageParser.PermissionGroup>(); 679 680 // Packages whose data we have transfered into another package, thus 681 // should no longer exist. 682 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 683 684 // Broadcast actions that are only available to the system. 685 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 686 687 /** List of packages waiting for verification. */ 688 final SparseArray<PackageVerificationState> mPendingVerification 689 = new SparseArray<PackageVerificationState>(); 690 691 /** Set of packages associated with each app op permission. */ 692 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 693 694 final PackageInstallerService mInstallerService; 695 696 private final PackageDexOptimizer mPackageDexOptimizer; 697 698 private AtomicInteger mNextMoveId = new AtomicInteger(); 699 private final MoveCallbacks mMoveCallbacks; 700 701 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 702 703 // Cache of users who need badging. 704 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 705 706 /** Token for keys in mPendingVerification. */ 707 private int mPendingVerificationToken = 0; 708 709 volatile boolean mSystemReady; 710 volatile boolean mSafeMode; 711 volatile boolean mHasSystemUidErrors; 712 713 ApplicationInfo mAndroidApplication; 714 final ActivityInfo mResolveActivity = new ActivityInfo(); 715 final ResolveInfo mResolveInfo = new ResolveInfo(); 716 ComponentName mResolveComponentName; 717 PackageParser.Package mPlatformPackage; 718 ComponentName mCustomResolverComponentName; 719 720 boolean mResolverReplaced = false; 721 722 private final @Nullable ComponentName mIntentFilterVerifierComponent; 723 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 724 725 private int mIntentFilterVerificationToken = 0; 726 727 /** Component that knows whether or not an ephemeral application exists */ 728 final ComponentName mEphemeralResolverComponent; 729 /** The service connection to the ephemeral resolver */ 730 final EphemeralResolverConnection mEphemeralResolverConnection; 731 732 /** Component used to install ephemeral applications */ 733 final ComponentName mEphemeralInstallerComponent; 734 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 735 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 736 737 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 738 = new SparseArray<IntentFilterVerificationState>(); 739 740 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 741 742 // List of packages names to keep cached, even if they are uninstalled for all users 743 private List<String> mKeepUninstalledPackages; 744 745 private UserManagerInternal mUserManagerInternal; 746 747 private static class IFVerificationParams { 748 PackageParser.Package pkg; 749 boolean replacing; 750 int userId; 751 int verifierUid; 752 753 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 754 int _userId, int _verifierUid) { 755 pkg = _pkg; 756 replacing = _replacing; 757 userId = _userId; 758 replacing = _replacing; 759 verifierUid = _verifierUid; 760 } 761 } 762 763 private interface IntentFilterVerifier<T extends IntentFilter> { 764 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 765 T filter, String packageName); 766 void startVerifications(int userId); 767 void receiveVerificationResponse(int verificationId); 768 } 769 770 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 771 private Context mContext; 772 private ComponentName mIntentFilterVerifierComponent; 773 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 774 775 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 776 mContext = context; 777 mIntentFilterVerifierComponent = verifierComponent; 778 } 779 780 private String getDefaultScheme() { 781 return IntentFilter.SCHEME_HTTPS; 782 } 783 784 @Override 785 public void startVerifications(int userId) { 786 // Launch verifications requests 787 int count = mCurrentIntentFilterVerifications.size(); 788 for (int n=0; n<count; n++) { 789 int verificationId = mCurrentIntentFilterVerifications.get(n); 790 final IntentFilterVerificationState ivs = 791 mIntentFilterVerificationStates.get(verificationId); 792 793 String packageName = ivs.getPackageName(); 794 795 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 796 final int filterCount = filters.size(); 797 ArraySet<String> domainsSet = new ArraySet<>(); 798 for (int m=0; m<filterCount; m++) { 799 PackageParser.ActivityIntentInfo filter = filters.get(m); 800 domainsSet.addAll(filter.getHostsList()); 801 } 802 synchronized (mPackages) { 803 if (mSettings.createIntentFilterVerificationIfNeededLPw( 804 packageName, domainsSet) != null) { 805 scheduleWriteSettingsLocked(); 806 } 807 } 808 sendVerificationRequest(userId, verificationId, ivs); 809 } 810 mCurrentIntentFilterVerifications.clear(); 811 } 812 813 private void sendVerificationRequest(int userId, int verificationId, 814 IntentFilterVerificationState ivs) { 815 816 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 817 verificationIntent.putExtra( 818 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 819 verificationId); 820 verificationIntent.putExtra( 821 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 822 getDefaultScheme()); 823 verificationIntent.putExtra( 824 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 825 ivs.getHostsString()); 826 verificationIntent.putExtra( 827 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 828 ivs.getPackageName()); 829 verificationIntent.setComponent(mIntentFilterVerifierComponent); 830 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 831 832 UserHandle user = new UserHandle(userId); 833 mContext.sendBroadcastAsUser(verificationIntent, user); 834 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 835 "Sending IntentFilter verification broadcast"); 836 } 837 838 public void receiveVerificationResponse(int verificationId) { 839 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 840 841 final boolean verified = ivs.isVerified(); 842 843 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 844 final int count = filters.size(); 845 if (DEBUG_DOMAIN_VERIFICATION) { 846 Slog.i(TAG, "Received verification response " + verificationId 847 + " for " + count + " filters, verified=" + verified); 848 } 849 for (int n=0; n<count; n++) { 850 PackageParser.ActivityIntentInfo filter = filters.get(n); 851 filter.setVerified(verified); 852 853 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 854 + " verified with result:" + verified + " and hosts:" 855 + ivs.getHostsString()); 856 } 857 858 mIntentFilterVerificationStates.remove(verificationId); 859 860 final String packageName = ivs.getPackageName(); 861 IntentFilterVerificationInfo ivi = null; 862 863 synchronized (mPackages) { 864 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 865 } 866 if (ivi == null) { 867 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 868 + verificationId + " packageName:" + packageName); 869 return; 870 } 871 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 872 "Updating IntentFilterVerificationInfo for package " + packageName 873 +" verificationId:" + verificationId); 874 875 synchronized (mPackages) { 876 if (verified) { 877 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 878 } else { 879 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 880 } 881 scheduleWriteSettingsLocked(); 882 883 final int userId = ivs.getUserId(); 884 if (userId != UserHandle.USER_ALL) { 885 final int userStatus = 886 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 887 888 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 889 boolean needUpdate = false; 890 891 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 892 // already been set by the User thru the Disambiguation dialog 893 switch (userStatus) { 894 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 895 if (verified) { 896 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 897 } else { 898 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 899 } 900 needUpdate = true; 901 break; 902 903 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 904 if (verified) { 905 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 906 needUpdate = true; 907 } 908 break; 909 910 default: 911 // Nothing to do 912 } 913 914 if (needUpdate) { 915 mSettings.updateIntentFilterVerificationStatusLPw( 916 packageName, updatedStatus, userId); 917 scheduleWritePackageRestrictionsLocked(userId); 918 } 919 } 920 } 921 } 922 923 @Override 924 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 925 ActivityIntentInfo filter, String packageName) { 926 if (!hasValidDomains(filter)) { 927 return false; 928 } 929 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 930 if (ivs == null) { 931 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 932 packageName); 933 } 934 if (DEBUG_DOMAIN_VERIFICATION) { 935 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 936 } 937 ivs.addFilter(filter); 938 return true; 939 } 940 941 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 942 int userId, int verificationId, String packageName) { 943 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 944 verifierUid, userId, packageName); 945 ivs.setPendingState(); 946 synchronized (mPackages) { 947 mIntentFilterVerificationStates.append(verificationId, ivs); 948 mCurrentIntentFilterVerifications.add(verificationId); 949 } 950 return ivs; 951 } 952 } 953 954 private static boolean hasValidDomains(ActivityIntentInfo filter) { 955 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 956 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 957 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 958 } 959 960 // Set of pending broadcasts for aggregating enable/disable of components. 961 static class PendingPackageBroadcasts { 962 // for each user id, a map of <package name -> components within that package> 963 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 964 965 public PendingPackageBroadcasts() { 966 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 967 } 968 969 public ArrayList<String> get(int userId, String packageName) { 970 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 971 return packages.get(packageName); 972 } 973 974 public void put(int userId, String packageName, ArrayList<String> components) { 975 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 976 packages.put(packageName, components); 977 } 978 979 public void remove(int userId, String packageName) { 980 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 981 if (packages != null) { 982 packages.remove(packageName); 983 } 984 } 985 986 public void remove(int userId) { 987 mUidMap.remove(userId); 988 } 989 990 public int userIdCount() { 991 return mUidMap.size(); 992 } 993 994 public int userIdAt(int n) { 995 return mUidMap.keyAt(n); 996 } 997 998 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 999 return mUidMap.get(userId); 1000 } 1001 1002 public int size() { 1003 // total number of pending broadcast entries across all userIds 1004 int num = 0; 1005 for (int i = 0; i< mUidMap.size(); i++) { 1006 num += mUidMap.valueAt(i).size(); 1007 } 1008 return num; 1009 } 1010 1011 public void clear() { 1012 mUidMap.clear(); 1013 } 1014 1015 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1016 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1017 if (map == null) { 1018 map = new ArrayMap<String, ArrayList<String>>(); 1019 mUidMap.put(userId, map); 1020 } 1021 return map; 1022 } 1023 } 1024 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1025 1026 // Service Connection to remote media container service to copy 1027 // package uri's from external media onto secure containers 1028 // or internal storage. 1029 private IMediaContainerService mContainerService = null; 1030 1031 static final int SEND_PENDING_BROADCAST = 1; 1032 static final int MCS_BOUND = 3; 1033 static final int END_COPY = 4; 1034 static final int INIT_COPY = 5; 1035 static final int MCS_UNBIND = 6; 1036 static final int START_CLEANING_PACKAGE = 7; 1037 static final int FIND_INSTALL_LOC = 8; 1038 static final int POST_INSTALL = 9; 1039 static final int MCS_RECONNECT = 10; 1040 static final int MCS_GIVE_UP = 11; 1041 static final int UPDATED_MEDIA_STATUS = 12; 1042 static final int WRITE_SETTINGS = 13; 1043 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1044 static final int PACKAGE_VERIFIED = 15; 1045 static final int CHECK_PENDING_VERIFICATION = 16; 1046 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1047 static final int INTENT_FILTER_VERIFIED = 18; 1048 static final int WRITE_PACKAGE_LIST = 19; 1049 1050 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1051 1052 // Delay time in millisecs 1053 static final int BROADCAST_DELAY = 10 * 1000; 1054 1055 static UserManagerService sUserManager; 1056 1057 // Stores a list of users whose package restrictions file needs to be updated 1058 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1059 1060 final private DefaultContainerConnection mDefContainerConn = 1061 new DefaultContainerConnection(); 1062 class DefaultContainerConnection implements ServiceConnection { 1063 public void onServiceConnected(ComponentName name, IBinder service) { 1064 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1065 IMediaContainerService imcs = 1066 IMediaContainerService.Stub.asInterface(service); 1067 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1068 } 1069 1070 public void onServiceDisconnected(ComponentName name) { 1071 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1072 } 1073 } 1074 1075 // Recordkeeping of restore-after-install operations that are currently in flight 1076 // between the Package Manager and the Backup Manager 1077 static class PostInstallData { 1078 public InstallArgs args; 1079 public PackageInstalledInfo res; 1080 1081 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1082 args = _a; 1083 res = _r; 1084 } 1085 } 1086 1087 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1088 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1089 1090 // XML tags for backup/restore of various bits of state 1091 private static final String TAG_PREFERRED_BACKUP = "pa"; 1092 private static final String TAG_DEFAULT_APPS = "da"; 1093 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1094 1095 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1096 private static final String TAG_ALL_GRANTS = "rt-grants"; 1097 private static final String TAG_GRANT = "grant"; 1098 private static final String ATTR_PACKAGE_NAME = "pkg"; 1099 1100 private static final String TAG_PERMISSION = "perm"; 1101 private static final String ATTR_PERMISSION_NAME = "name"; 1102 private static final String ATTR_IS_GRANTED = "g"; 1103 private static final String ATTR_USER_SET = "set"; 1104 private static final String ATTR_USER_FIXED = "fixed"; 1105 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1106 1107 // System/policy permission grants are not backed up 1108 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1109 FLAG_PERMISSION_POLICY_FIXED 1110 | FLAG_PERMISSION_SYSTEM_FIXED 1111 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1112 1113 // And we back up these user-adjusted states 1114 private static final int USER_RUNTIME_GRANT_MASK = 1115 FLAG_PERMISSION_USER_SET 1116 | FLAG_PERMISSION_USER_FIXED 1117 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1118 1119 final @Nullable String mRequiredVerifierPackage; 1120 final @NonNull String mRequiredInstallerPackage; 1121 final @Nullable String mSetupWizardPackage; 1122 final @Nullable String mStorageManagerPackage; 1123 final @NonNull String mServicesSystemSharedLibraryPackageName; 1124 final @NonNull String mSharedSystemSharedLibraryPackageName; 1125 1126 final boolean mPermissionReviewRequired; 1127 1128 private final PackageUsage mPackageUsage = new PackageUsage(); 1129 private final CompilerStats mCompilerStats = new CompilerStats(); 1130 1131 class PackageHandler extends Handler { 1132 private boolean mBound = false; 1133 final ArrayList<HandlerParams> mPendingInstalls = 1134 new ArrayList<HandlerParams>(); 1135 1136 private boolean connectToService() { 1137 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1138 " DefaultContainerService"); 1139 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1140 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1141 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1142 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1143 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1144 mBound = true; 1145 return true; 1146 } 1147 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1148 return false; 1149 } 1150 1151 private void disconnectService() { 1152 mContainerService = null; 1153 mBound = false; 1154 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1155 mContext.unbindService(mDefContainerConn); 1156 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1157 } 1158 1159 PackageHandler(Looper looper) { 1160 super(looper); 1161 } 1162 1163 public void handleMessage(Message msg) { 1164 try { 1165 doHandleMessage(msg); 1166 } finally { 1167 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1168 } 1169 } 1170 1171 void doHandleMessage(Message msg) { 1172 switch (msg.what) { 1173 case INIT_COPY: { 1174 HandlerParams params = (HandlerParams) msg.obj; 1175 int idx = mPendingInstalls.size(); 1176 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1177 // If a bind was already initiated we dont really 1178 // need to do anything. The pending install 1179 // will be processed later on. 1180 if (!mBound) { 1181 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1182 System.identityHashCode(mHandler)); 1183 // If this is the only one pending we might 1184 // have to bind to the service again. 1185 if (!connectToService()) { 1186 Slog.e(TAG, "Failed to bind to media container service"); 1187 params.serviceError(); 1188 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1189 System.identityHashCode(mHandler)); 1190 if (params.traceMethod != null) { 1191 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1192 params.traceCookie); 1193 } 1194 return; 1195 } else { 1196 // Once we bind to the service, the first 1197 // pending request will be processed. 1198 mPendingInstalls.add(idx, params); 1199 } 1200 } else { 1201 mPendingInstalls.add(idx, params); 1202 // Already bound to the service. Just make 1203 // sure we trigger off processing the first request. 1204 if (idx == 0) { 1205 mHandler.sendEmptyMessage(MCS_BOUND); 1206 } 1207 } 1208 break; 1209 } 1210 case MCS_BOUND: { 1211 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1212 if (msg.obj != null) { 1213 mContainerService = (IMediaContainerService) msg.obj; 1214 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1215 System.identityHashCode(mHandler)); 1216 } 1217 if (mContainerService == null) { 1218 if (!mBound) { 1219 // Something seriously wrong since we are not bound and we are not 1220 // waiting for connection. Bail out. 1221 Slog.e(TAG, "Cannot bind to media container service"); 1222 for (HandlerParams params : mPendingInstalls) { 1223 // Indicate service bind error 1224 params.serviceError(); 1225 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1226 System.identityHashCode(params)); 1227 if (params.traceMethod != null) { 1228 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1229 params.traceMethod, params.traceCookie); 1230 } 1231 return; 1232 } 1233 mPendingInstalls.clear(); 1234 } else { 1235 Slog.w(TAG, "Waiting to connect to media container service"); 1236 } 1237 } else if (mPendingInstalls.size() > 0) { 1238 HandlerParams params = mPendingInstalls.get(0); 1239 if (params != null) { 1240 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1241 System.identityHashCode(params)); 1242 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1243 if (params.startCopy()) { 1244 // We are done... look for more work or to 1245 // go idle. 1246 if (DEBUG_SD_INSTALL) Log.i(TAG, 1247 "Checking for more work or unbind..."); 1248 // Delete pending install 1249 if (mPendingInstalls.size() > 0) { 1250 mPendingInstalls.remove(0); 1251 } 1252 if (mPendingInstalls.size() == 0) { 1253 if (mBound) { 1254 if (DEBUG_SD_INSTALL) Log.i(TAG, 1255 "Posting delayed MCS_UNBIND"); 1256 removeMessages(MCS_UNBIND); 1257 Message ubmsg = obtainMessage(MCS_UNBIND); 1258 // Unbind after a little delay, to avoid 1259 // continual thrashing. 1260 sendMessageDelayed(ubmsg, 10000); 1261 } 1262 } else { 1263 // There are more pending requests in queue. 1264 // Just post MCS_BOUND message to trigger processing 1265 // of next pending install. 1266 if (DEBUG_SD_INSTALL) Log.i(TAG, 1267 "Posting MCS_BOUND for next work"); 1268 mHandler.sendEmptyMessage(MCS_BOUND); 1269 } 1270 } 1271 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1272 } 1273 } else { 1274 // Should never happen ideally. 1275 Slog.w(TAG, "Empty queue"); 1276 } 1277 break; 1278 } 1279 case MCS_RECONNECT: { 1280 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1281 if (mPendingInstalls.size() > 0) { 1282 if (mBound) { 1283 disconnectService(); 1284 } 1285 if (!connectToService()) { 1286 Slog.e(TAG, "Failed to bind to media container service"); 1287 for (HandlerParams params : mPendingInstalls) { 1288 // Indicate service bind error 1289 params.serviceError(); 1290 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1291 System.identityHashCode(params)); 1292 } 1293 mPendingInstalls.clear(); 1294 } 1295 } 1296 break; 1297 } 1298 case MCS_UNBIND: { 1299 // If there is no actual work left, then time to unbind. 1300 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1301 1302 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1303 if (mBound) { 1304 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1305 1306 disconnectService(); 1307 } 1308 } else if (mPendingInstalls.size() > 0) { 1309 // There are more pending requests in queue. 1310 // Just post MCS_BOUND message to trigger processing 1311 // of next pending install. 1312 mHandler.sendEmptyMessage(MCS_BOUND); 1313 } 1314 1315 break; 1316 } 1317 case MCS_GIVE_UP: { 1318 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1319 HandlerParams params = mPendingInstalls.remove(0); 1320 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1321 System.identityHashCode(params)); 1322 break; 1323 } 1324 case SEND_PENDING_BROADCAST: { 1325 String packages[]; 1326 ArrayList<String> components[]; 1327 int size = 0; 1328 int uids[]; 1329 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1330 synchronized (mPackages) { 1331 if (mPendingBroadcasts == null) { 1332 return; 1333 } 1334 size = mPendingBroadcasts.size(); 1335 if (size <= 0) { 1336 // Nothing to be done. Just return 1337 return; 1338 } 1339 packages = new String[size]; 1340 components = new ArrayList[size]; 1341 uids = new int[size]; 1342 int i = 0; // filling out the above arrays 1343 1344 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1345 int packageUserId = mPendingBroadcasts.userIdAt(n); 1346 Iterator<Map.Entry<String, ArrayList<String>>> it 1347 = mPendingBroadcasts.packagesForUserId(packageUserId) 1348 .entrySet().iterator(); 1349 while (it.hasNext() && i < size) { 1350 Map.Entry<String, ArrayList<String>> ent = it.next(); 1351 packages[i] = ent.getKey(); 1352 components[i] = ent.getValue(); 1353 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1354 uids[i] = (ps != null) 1355 ? UserHandle.getUid(packageUserId, ps.appId) 1356 : -1; 1357 i++; 1358 } 1359 } 1360 size = i; 1361 mPendingBroadcasts.clear(); 1362 } 1363 // Send broadcasts 1364 for (int i = 0; i < size; i++) { 1365 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1366 } 1367 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1368 break; 1369 } 1370 case START_CLEANING_PACKAGE: { 1371 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1372 final String packageName = (String)msg.obj; 1373 final int userId = msg.arg1; 1374 final boolean andCode = msg.arg2 != 0; 1375 synchronized (mPackages) { 1376 if (userId == UserHandle.USER_ALL) { 1377 int[] users = sUserManager.getUserIds(); 1378 for (int user : users) { 1379 mSettings.addPackageToCleanLPw( 1380 new PackageCleanItem(user, packageName, andCode)); 1381 } 1382 } else { 1383 mSettings.addPackageToCleanLPw( 1384 new PackageCleanItem(userId, packageName, andCode)); 1385 } 1386 } 1387 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1388 startCleaningPackages(); 1389 } break; 1390 case POST_INSTALL: { 1391 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1392 1393 PostInstallData data = mRunningInstalls.get(msg.arg1); 1394 final boolean didRestore = (msg.arg2 != 0); 1395 mRunningInstalls.delete(msg.arg1); 1396 1397 if (data != null) { 1398 InstallArgs args = data.args; 1399 PackageInstalledInfo parentRes = data.res; 1400 1401 final boolean grantPermissions = (args.installFlags 1402 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1403 final boolean killApp = (args.installFlags 1404 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1405 final String[] grantedPermissions = args.installGrantPermissions; 1406 1407 // Handle the parent package 1408 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1409 grantedPermissions, didRestore, args.installerPackageName, 1410 args.observer); 1411 1412 // Handle the child packages 1413 final int childCount = (parentRes.addedChildPackages != null) 1414 ? parentRes.addedChildPackages.size() : 0; 1415 for (int i = 0; i < childCount; i++) { 1416 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1417 handlePackagePostInstall(childRes, grantPermissions, killApp, 1418 grantedPermissions, false, args.installerPackageName, 1419 args.observer); 1420 } 1421 1422 // Log tracing if needed 1423 if (args.traceMethod != null) { 1424 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1425 args.traceCookie); 1426 } 1427 } else { 1428 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1429 } 1430 1431 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1432 } break; 1433 case UPDATED_MEDIA_STATUS: { 1434 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1435 boolean reportStatus = msg.arg1 == 1; 1436 boolean doGc = msg.arg2 == 1; 1437 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1438 if (doGc) { 1439 // Force a gc to clear up stale containers. 1440 Runtime.getRuntime().gc(); 1441 } 1442 if (msg.obj != null) { 1443 @SuppressWarnings("unchecked") 1444 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1445 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1446 // Unload containers 1447 unloadAllContainers(args); 1448 } 1449 if (reportStatus) { 1450 try { 1451 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1452 PackageHelper.getMountService().finishMediaUpdate(); 1453 } catch (RemoteException e) { 1454 Log.e(TAG, "MountService not running?"); 1455 } 1456 } 1457 } break; 1458 case WRITE_SETTINGS: { 1459 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1460 synchronized (mPackages) { 1461 removeMessages(WRITE_SETTINGS); 1462 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1463 mSettings.writeLPr(); 1464 mDirtyUsers.clear(); 1465 } 1466 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1467 } break; 1468 case WRITE_PACKAGE_RESTRICTIONS: { 1469 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1470 synchronized (mPackages) { 1471 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1472 for (int userId : mDirtyUsers) { 1473 mSettings.writePackageRestrictionsLPr(userId); 1474 } 1475 mDirtyUsers.clear(); 1476 } 1477 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1478 } break; 1479 case WRITE_PACKAGE_LIST: { 1480 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1481 synchronized (mPackages) { 1482 removeMessages(WRITE_PACKAGE_LIST); 1483 mSettings.writePackageListLPr(msg.arg1); 1484 } 1485 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1486 } break; 1487 case CHECK_PENDING_VERIFICATION: { 1488 final int verificationId = msg.arg1; 1489 final PackageVerificationState state = mPendingVerification.get(verificationId); 1490 1491 if ((state != null) && !state.timeoutExtended()) { 1492 final InstallArgs args = state.getInstallArgs(); 1493 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1494 1495 Slog.i(TAG, "Verification timed out for " + originUri); 1496 mPendingVerification.remove(verificationId); 1497 1498 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1499 1500 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1501 Slog.i(TAG, "Continuing with installation of " + originUri); 1502 state.setVerifierResponse(Binder.getCallingUid(), 1503 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1504 broadcastPackageVerified(verificationId, originUri, 1505 PackageManager.VERIFICATION_ALLOW, 1506 state.getInstallArgs().getUser()); 1507 try { 1508 ret = args.copyApk(mContainerService, true); 1509 } catch (RemoteException e) { 1510 Slog.e(TAG, "Could not contact the ContainerService"); 1511 } 1512 } else { 1513 broadcastPackageVerified(verificationId, originUri, 1514 PackageManager.VERIFICATION_REJECT, 1515 state.getInstallArgs().getUser()); 1516 } 1517 1518 Trace.asyncTraceEnd( 1519 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1520 1521 processPendingInstall(args, ret); 1522 mHandler.sendEmptyMessage(MCS_UNBIND); 1523 } 1524 break; 1525 } 1526 case PACKAGE_VERIFIED: { 1527 final int verificationId = msg.arg1; 1528 1529 final PackageVerificationState state = mPendingVerification.get(verificationId); 1530 if (state == null) { 1531 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1532 break; 1533 } 1534 1535 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1536 1537 state.setVerifierResponse(response.callerUid, response.code); 1538 1539 if (state.isVerificationComplete()) { 1540 mPendingVerification.remove(verificationId); 1541 1542 final InstallArgs args = state.getInstallArgs(); 1543 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1544 1545 int ret; 1546 if (state.isInstallAllowed()) { 1547 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1548 broadcastPackageVerified(verificationId, originUri, 1549 response.code, state.getInstallArgs().getUser()); 1550 try { 1551 ret = args.copyApk(mContainerService, true); 1552 } catch (RemoteException e) { 1553 Slog.e(TAG, "Could not contact the ContainerService"); 1554 } 1555 } else { 1556 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1557 } 1558 1559 Trace.asyncTraceEnd( 1560 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1561 1562 processPendingInstall(args, ret); 1563 mHandler.sendEmptyMessage(MCS_UNBIND); 1564 } 1565 1566 break; 1567 } 1568 case START_INTENT_FILTER_VERIFICATIONS: { 1569 IFVerificationParams params = (IFVerificationParams) msg.obj; 1570 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1571 params.replacing, params.pkg); 1572 break; 1573 } 1574 case INTENT_FILTER_VERIFIED: { 1575 final int verificationId = msg.arg1; 1576 1577 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1578 verificationId); 1579 if (state == null) { 1580 Slog.w(TAG, "Invalid IntentFilter verification token " 1581 + verificationId + " received"); 1582 break; 1583 } 1584 1585 final int userId = state.getUserId(); 1586 1587 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1588 "Processing IntentFilter verification with token:" 1589 + verificationId + " and userId:" + userId); 1590 1591 final IntentFilterVerificationResponse response = 1592 (IntentFilterVerificationResponse) msg.obj; 1593 1594 state.setVerifierResponse(response.callerUid, response.code); 1595 1596 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1597 "IntentFilter verification with token:" + verificationId 1598 + " and userId:" + userId 1599 + " is settings verifier response with response code:" 1600 + response.code); 1601 1602 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1603 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1604 + response.getFailedDomainsString()); 1605 } 1606 1607 if (state.isVerificationComplete()) { 1608 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1609 } else { 1610 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1611 "IntentFilter verification with token:" + verificationId 1612 + " was not said to be complete"); 1613 } 1614 1615 break; 1616 } 1617 } 1618 } 1619 } 1620 1621 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1622 boolean killApp, String[] grantedPermissions, 1623 boolean launchedForRestore, String installerPackage, 1624 IPackageInstallObserver2 installObserver) { 1625 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1626 // Send the removed broadcasts 1627 if (res.removedInfo != null) { 1628 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1629 } 1630 1631 // Now that we successfully installed the package, grant runtime 1632 // permissions if requested before broadcasting the install. 1633 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1634 >= Build.VERSION_CODES.M) { 1635 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1636 } 1637 1638 final boolean update = res.removedInfo != null 1639 && res.removedInfo.removedPackage != null; 1640 1641 // If this is the first time we have child packages for a disabled privileged 1642 // app that had no children, we grant requested runtime permissions to the new 1643 // children if the parent on the system image had them already granted. 1644 if (res.pkg.parentPackage != null) { 1645 synchronized (mPackages) { 1646 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1647 } 1648 } 1649 1650 synchronized (mPackages) { 1651 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1652 } 1653 1654 final String packageName = res.pkg.applicationInfo.packageName; 1655 Bundle extras = new Bundle(1); 1656 extras.putInt(Intent.EXTRA_UID, res.uid); 1657 1658 // Determine the set of users who are adding this package for 1659 // the first time vs. those who are seeing an update. 1660 int[] firstUsers = EMPTY_INT_ARRAY; 1661 int[] updateUsers = EMPTY_INT_ARRAY; 1662 if (res.origUsers == null || res.origUsers.length == 0) { 1663 firstUsers = res.newUsers; 1664 } else { 1665 for (int newUser : res.newUsers) { 1666 boolean isNew = true; 1667 for (int origUser : res.origUsers) { 1668 if (origUser == newUser) { 1669 isNew = false; 1670 break; 1671 } 1672 } 1673 if (isNew) { 1674 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1675 } else { 1676 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1677 } 1678 } 1679 } 1680 1681 // Send installed broadcasts if the install/update is not ephemeral 1682 if (!isEphemeral(res.pkg)) { 1683 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1684 1685 // Send added for users that see the package for the first time 1686 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1687 extras, 0 /*flags*/, null /*targetPackage*/, 1688 null /*finishedReceiver*/, firstUsers); 1689 1690 // Send added for users that don't see the package for the first time 1691 if (update) { 1692 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1693 } 1694 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1695 extras, 0 /*flags*/, null /*targetPackage*/, 1696 null /*finishedReceiver*/, updateUsers); 1697 1698 // Send replaced for users that don't see the package for the first time 1699 if (update) { 1700 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1701 packageName, extras, 0 /*flags*/, 1702 null /*targetPackage*/, null /*finishedReceiver*/, 1703 updateUsers); 1704 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1705 null /*package*/, null /*extras*/, 0 /*flags*/, 1706 packageName /*targetPackage*/, 1707 null /*finishedReceiver*/, updateUsers); 1708 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1709 // First-install and we did a restore, so we're responsible for the 1710 // first-launch broadcast. 1711 if (DEBUG_BACKUP) { 1712 Slog.i(TAG, "Post-restore of " + packageName 1713 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1714 } 1715 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1716 } 1717 1718 // Send broadcast package appeared if forward locked/external for all users 1719 // treat asec-hosted packages like removable media on upgrade 1720 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1721 if (DEBUG_INSTALL) { 1722 Slog.i(TAG, "upgrading pkg " + res.pkg 1723 + " is ASEC-hosted -> AVAILABLE"); 1724 } 1725 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1726 ArrayList<String> pkgList = new ArrayList<>(1); 1727 pkgList.add(packageName); 1728 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1729 } 1730 } 1731 1732 // Work that needs to happen on first install within each user 1733 if (firstUsers != null && firstUsers.length > 0) { 1734 synchronized (mPackages) { 1735 for (int userId : firstUsers) { 1736 // If this app is a browser and it's newly-installed for some 1737 // users, clear any default-browser state in those users. The 1738 // app's nature doesn't depend on the user, so we can just check 1739 // its browser nature in any user and generalize. 1740 if (packageIsBrowser(packageName, userId)) { 1741 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1742 } 1743 1744 // We may also need to apply pending (restored) runtime 1745 // permission grants within these users. 1746 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1747 } 1748 } 1749 } 1750 1751 // Log current value of "unknown sources" setting 1752 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1753 getUnknownSourcesSettings()); 1754 1755 // Force a gc to clear up things 1756 Runtime.getRuntime().gc(); 1757 1758 // Remove the replaced package's older resources safely now 1759 // We delete after a gc for applications on sdcard. 1760 if (res.removedInfo != null && res.removedInfo.args != null) { 1761 synchronized (mInstallLock) { 1762 res.removedInfo.args.doPostDeleteLI(true); 1763 } 1764 } 1765 } 1766 1767 // If someone is watching installs - notify them 1768 if (installObserver != null) { 1769 try { 1770 Bundle extras = extrasForInstallResult(res); 1771 installObserver.onPackageInstalled(res.name, res.returnCode, 1772 res.returnMsg, extras); 1773 } catch (RemoteException e) { 1774 Slog.i(TAG, "Observer no longer exists."); 1775 } 1776 } 1777 } 1778 1779 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1780 PackageParser.Package pkg) { 1781 if (pkg.parentPackage == null) { 1782 return; 1783 } 1784 if (pkg.requestedPermissions == null) { 1785 return; 1786 } 1787 final PackageSetting disabledSysParentPs = mSettings 1788 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1789 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1790 || !disabledSysParentPs.isPrivileged() 1791 || (disabledSysParentPs.childPackageNames != null 1792 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1793 return; 1794 } 1795 final int[] allUserIds = sUserManager.getUserIds(); 1796 final int permCount = pkg.requestedPermissions.size(); 1797 for (int i = 0; i < permCount; i++) { 1798 String permission = pkg.requestedPermissions.get(i); 1799 BasePermission bp = mSettings.mPermissions.get(permission); 1800 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1801 continue; 1802 } 1803 for (int userId : allUserIds) { 1804 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1805 permission, userId)) { 1806 grantRuntimePermission(pkg.packageName, permission, userId); 1807 } 1808 } 1809 } 1810 } 1811 1812 private StorageEventListener mStorageListener = new StorageEventListener() { 1813 @Override 1814 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1815 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1816 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1817 final String volumeUuid = vol.getFsUuid(); 1818 1819 // Clean up any users or apps that were removed or recreated 1820 // while this volume was missing 1821 reconcileUsers(volumeUuid); 1822 reconcileApps(volumeUuid); 1823 1824 // Clean up any install sessions that expired or were 1825 // cancelled while this volume was missing 1826 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1827 1828 loadPrivatePackages(vol); 1829 1830 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1831 unloadPrivatePackages(vol); 1832 } 1833 } 1834 1835 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1836 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1837 updateExternalMediaStatus(true, false); 1838 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1839 updateExternalMediaStatus(false, false); 1840 } 1841 } 1842 } 1843 1844 @Override 1845 public void onVolumeForgotten(String fsUuid) { 1846 if (TextUtils.isEmpty(fsUuid)) { 1847 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1848 return; 1849 } 1850 1851 // Remove any apps installed on the forgotten volume 1852 synchronized (mPackages) { 1853 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1854 for (PackageSetting ps : packages) { 1855 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1856 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1857 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1858 } 1859 1860 mSettings.onVolumeForgotten(fsUuid); 1861 mSettings.writeLPr(); 1862 } 1863 } 1864 }; 1865 1866 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1867 String[] grantedPermissions) { 1868 for (int userId : userIds) { 1869 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1870 } 1871 1872 // We could have touched GID membership, so flush out packages.list 1873 synchronized (mPackages) { 1874 mSettings.writePackageListLPr(); 1875 } 1876 } 1877 1878 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1879 String[] grantedPermissions) { 1880 SettingBase sb = (SettingBase) pkg.mExtras; 1881 if (sb == null) { 1882 return; 1883 } 1884 1885 PermissionsState permissionsState = sb.getPermissionsState(); 1886 1887 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1888 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1889 1890 for (String permission : pkg.requestedPermissions) { 1891 final BasePermission bp; 1892 synchronized (mPackages) { 1893 bp = mSettings.mPermissions.get(permission); 1894 } 1895 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1896 && (grantedPermissions == null 1897 || ArrayUtils.contains(grantedPermissions, permission))) { 1898 final int flags = permissionsState.getPermissionFlags(permission, userId); 1899 // Installer cannot change immutable permissions. 1900 if ((flags & immutableFlags) == 0) { 1901 grantRuntimePermission(pkg.packageName, permission, userId); 1902 } 1903 } 1904 } 1905 } 1906 1907 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1908 Bundle extras = null; 1909 switch (res.returnCode) { 1910 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1911 extras = new Bundle(); 1912 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1913 res.origPermission); 1914 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1915 res.origPackage); 1916 break; 1917 } 1918 case PackageManager.INSTALL_SUCCEEDED: { 1919 extras = new Bundle(); 1920 extras.putBoolean(Intent.EXTRA_REPLACING, 1921 res.removedInfo != null && res.removedInfo.removedPackage != null); 1922 break; 1923 } 1924 } 1925 return extras; 1926 } 1927 1928 void scheduleWriteSettingsLocked() { 1929 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1930 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1931 } 1932 } 1933 1934 void scheduleWritePackageListLocked(int userId) { 1935 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1936 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1937 msg.arg1 = userId; 1938 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1939 } 1940 } 1941 1942 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1943 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1944 scheduleWritePackageRestrictionsLocked(userId); 1945 } 1946 1947 void scheduleWritePackageRestrictionsLocked(int userId) { 1948 final int[] userIds = (userId == UserHandle.USER_ALL) 1949 ? sUserManager.getUserIds() : new int[]{userId}; 1950 for (int nextUserId : userIds) { 1951 if (!sUserManager.exists(nextUserId)) return; 1952 mDirtyUsers.add(nextUserId); 1953 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1954 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1955 } 1956 } 1957 } 1958 1959 public static PackageManagerService main(Context context, Installer installer, 1960 boolean factoryTest, boolean onlyCore) { 1961 // Self-check for initial settings. 1962 PackageManagerServiceCompilerMapping.checkProperties(); 1963 1964 PackageManagerService m = new PackageManagerService(context, installer, 1965 factoryTest, onlyCore); 1966 m.enableSystemUserPackages(); 1967 ServiceManager.addService("package", m); 1968 return m; 1969 } 1970 1971 private void enableSystemUserPackages() { 1972 if (!UserManager.isSplitSystemUser()) { 1973 return; 1974 } 1975 // For system user, enable apps based on the following conditions: 1976 // - app is whitelisted or belong to one of these groups: 1977 // -- system app which has no launcher icons 1978 // -- system app which has INTERACT_ACROSS_USERS permission 1979 // -- system IME app 1980 // - app is not in the blacklist 1981 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1982 Set<String> enableApps = new ArraySet<>(); 1983 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1984 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1985 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1986 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1987 enableApps.addAll(wlApps); 1988 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1989 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1990 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1991 enableApps.removeAll(blApps); 1992 Log.i(TAG, "Applications installed for system user: " + enableApps); 1993 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1994 UserHandle.SYSTEM); 1995 final int allAppsSize = allAps.size(); 1996 synchronized (mPackages) { 1997 for (int i = 0; i < allAppsSize; i++) { 1998 String pName = allAps.get(i); 1999 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2000 // Should not happen, but we shouldn't be failing if it does 2001 if (pkgSetting == null) { 2002 continue; 2003 } 2004 boolean install = enableApps.contains(pName); 2005 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2006 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2007 + " for system user"); 2008 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2009 } 2010 } 2011 } 2012 } 2013 2014 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2015 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2016 Context.DISPLAY_SERVICE); 2017 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2018 } 2019 2020 /** 2021 * Requests that files preopted on a secondary system partition be copied to the data partition 2022 * if possible. Note that the actual copying of the files is accomplished by init for security 2023 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2024 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2025 */ 2026 private static void requestCopyPreoptedFiles() { 2027 final int WAIT_TIME_MS = 100; 2028 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2029 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2030 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2031 // We will wait for up to 100 seconds. 2032 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2033 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2034 try { 2035 Thread.sleep(WAIT_TIME_MS); 2036 } catch (InterruptedException e) { 2037 // Do nothing 2038 } 2039 if (SystemClock.uptimeMillis() > timeEnd) { 2040 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2041 Slog.wtf(TAG, "cppreopt did not finish!"); 2042 break; 2043 } 2044 } 2045 } 2046 } 2047 2048 public PackageManagerService(Context context, Installer installer, 2049 boolean factoryTest, boolean onlyCore) { 2050 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2051 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2052 SystemClock.uptimeMillis()); 2053 2054 if (mSdkVersion <= 0) { 2055 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2056 } 2057 2058 mContext = context; 2059 2060 mPermissionReviewRequired = context.getResources().getBoolean( 2061 R.bool.config_permissionReviewRequired); 2062 2063 mFactoryTest = factoryTest; 2064 mOnlyCore = onlyCore; 2065 mMetrics = new DisplayMetrics(); 2066 mSettings = new Settings(mPackages); 2067 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2068 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2069 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2070 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2071 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2072 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2073 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2074 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2075 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2076 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2077 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2078 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2079 2080 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2081 if (separateProcesses != null && separateProcesses.length() > 0) { 2082 if ("*".equals(separateProcesses)) { 2083 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2084 mSeparateProcesses = null; 2085 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2086 } else { 2087 mDefParseFlags = 0; 2088 mSeparateProcesses = separateProcesses.split(","); 2089 Slog.w(TAG, "Running with debug.separate_processes: " 2090 + separateProcesses); 2091 } 2092 } else { 2093 mDefParseFlags = 0; 2094 mSeparateProcesses = null; 2095 } 2096 2097 mInstaller = installer; 2098 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2099 "*dexopt*"); 2100 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2101 2102 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2103 FgThread.get().getLooper()); 2104 2105 getDefaultDisplayMetrics(context, mMetrics); 2106 2107 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2108 SystemConfig systemConfig = SystemConfig.getInstance(); 2109 mGlobalGids = systemConfig.getGlobalGids(); 2110 mSystemPermissions = systemConfig.getSystemPermissions(); 2111 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2112 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2113 2114 mProtectedPackages = new ProtectedPackages(mContext); 2115 2116 synchronized (mInstallLock) { 2117 // writer 2118 synchronized (mPackages) { 2119 mHandlerThread = new ServiceThread(TAG, 2120 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2121 mHandlerThread.start(); 2122 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2123 mProcessLoggingHandler = new ProcessLoggingHandler(); 2124 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2125 2126 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2127 2128 File dataDir = Environment.getDataDirectory(); 2129 mAppInstallDir = new File(dataDir, "app"); 2130 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2131 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2132 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2133 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2134 2135 sUserManager = new UserManagerService(context, this, mPackages); 2136 2137 // Propagate permission configuration in to package manager. 2138 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2139 = systemConfig.getPermissions(); 2140 for (int i=0; i<permConfig.size(); i++) { 2141 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2142 BasePermission bp = mSettings.mPermissions.get(perm.name); 2143 if (bp == null) { 2144 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2145 mSettings.mPermissions.put(perm.name, bp); 2146 } 2147 if (perm.gids != null) { 2148 bp.setGids(perm.gids, perm.perUser); 2149 } 2150 } 2151 2152 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2153 for (int i=0; i<libConfig.size(); i++) { 2154 mSharedLibraries.put(libConfig.keyAt(i), 2155 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2156 } 2157 2158 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2159 2160 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2161 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2162 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2163 2164 if (mFirstBoot) { 2165 requestCopyPreoptedFiles(); 2166 } 2167 2168 String customResolverActivity = Resources.getSystem().getString( 2169 R.string.config_customResolverActivity); 2170 if (TextUtils.isEmpty(customResolverActivity)) { 2171 customResolverActivity = null; 2172 } else { 2173 mCustomResolverComponentName = ComponentName.unflattenFromString( 2174 customResolverActivity); 2175 } 2176 2177 long startTime = SystemClock.uptimeMillis(); 2178 2179 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2180 startTime); 2181 2182 // Set flag to monitor and not change apk file paths when 2183 // scanning install directories. 2184 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2185 2186 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2187 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2188 2189 if (bootClassPath == null) { 2190 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2191 } 2192 2193 if (systemServerClassPath == null) { 2194 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2195 } 2196 2197 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2198 final String[] dexCodeInstructionSets = 2199 getDexCodeInstructionSets( 2200 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2201 2202 /** 2203 * Ensure all external libraries have had dexopt run on them. 2204 */ 2205 if (mSharedLibraries.size() > 0) { 2206 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2207 // NOTE: For now, we're compiling these system "shared libraries" 2208 // (and framework jars) into all available architectures. It's possible 2209 // to compile them only when we come across an app that uses them (there's 2210 // already logic for that in scanPackageLI) but that adds some complexity. 2211 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2212 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2213 final String lib = libEntry.path; 2214 if (lib == null) { 2215 continue; 2216 } 2217 2218 try { 2219 // Shared libraries do not have profiles so we perform a full 2220 // AOT compilation (if needed). 2221 int dexoptNeeded = DexFile.getDexOptNeeded( 2222 lib, dexCodeInstructionSet, 2223 getCompilerFilterForReason(REASON_SHARED_APK), 2224 false /* newProfile */); 2225 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2226 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2227 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2228 getCompilerFilterForReason(REASON_SHARED_APK), 2229 StorageManager.UUID_PRIVATE_INTERNAL, 2230 SKIP_SHARED_LIBRARY_CHECK); 2231 } 2232 } catch (FileNotFoundException e) { 2233 Slog.w(TAG, "Library not found: " + lib); 2234 } catch (IOException | InstallerException e) { 2235 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2236 + e.getMessage()); 2237 } 2238 } 2239 } 2240 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2241 } 2242 2243 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2244 2245 final VersionInfo ver = mSettings.getInternalVersion(); 2246 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2247 2248 // when upgrading from pre-M, promote system app permissions from install to runtime 2249 mPromoteSystemApps = 2250 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2251 2252 // When upgrading from pre-N, we need to handle package extraction like first boot, 2253 // as there is no profiling data available. 2254 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2255 2256 // save off the names of pre-existing system packages prior to scanning; we don't 2257 // want to automatically grant runtime permissions for new system apps 2258 if (mPromoteSystemApps) { 2259 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2260 while (pkgSettingIter.hasNext()) { 2261 PackageSetting ps = pkgSettingIter.next(); 2262 if (isSystemApp(ps)) { 2263 mExistingSystemPackages.add(ps.name); 2264 } 2265 } 2266 } 2267 2268 // Collect vendor overlay packages. 2269 // (Do this before scanning any apps.) 2270 // For security and version matching reason, only consider 2271 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2272 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2273 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2274 | PackageParser.PARSE_IS_SYSTEM 2275 | PackageParser.PARSE_IS_SYSTEM_DIR 2276 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2277 2278 // Find base frameworks (resource packages without code). 2279 scanDirTracedLI(frameworkDir, mDefParseFlags 2280 | PackageParser.PARSE_IS_SYSTEM 2281 | PackageParser.PARSE_IS_SYSTEM_DIR 2282 | PackageParser.PARSE_IS_PRIVILEGED, 2283 scanFlags | SCAN_NO_DEX, 0); 2284 2285 // Collected privileged system packages. 2286 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2287 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2288 | PackageParser.PARSE_IS_SYSTEM 2289 | PackageParser.PARSE_IS_SYSTEM_DIR 2290 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2291 2292 // Collect ordinary system packages. 2293 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2294 scanDirTracedLI(systemAppDir, mDefParseFlags 2295 | PackageParser.PARSE_IS_SYSTEM 2296 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2297 2298 // Collect all vendor packages. 2299 File vendorAppDir = new File("/vendor/app"); 2300 try { 2301 vendorAppDir = vendorAppDir.getCanonicalFile(); 2302 } catch (IOException e) { 2303 // failed to look up canonical path, continue with original one 2304 } 2305 scanDirTracedLI(vendorAppDir, mDefParseFlags 2306 | PackageParser.PARSE_IS_SYSTEM 2307 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2308 2309 // Collect all OEM packages. 2310 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2311 scanDirTracedLI(oemAppDir, mDefParseFlags 2312 | PackageParser.PARSE_IS_SYSTEM 2313 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2314 2315 // Prune any system packages that no longer exist. 2316 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2317 if (!mOnlyCore) { 2318 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2319 while (psit.hasNext()) { 2320 PackageSetting ps = psit.next(); 2321 2322 /* 2323 * If this is not a system app, it can't be a 2324 * disable system app. 2325 */ 2326 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2327 continue; 2328 } 2329 2330 /* 2331 * If the package is scanned, it's not erased. 2332 */ 2333 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2334 if (scannedPkg != null) { 2335 /* 2336 * If the system app is both scanned and in the 2337 * disabled packages list, then it must have been 2338 * added via OTA. Remove it from the currently 2339 * scanned package so the previously user-installed 2340 * application can be scanned. 2341 */ 2342 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2343 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2344 + ps.name + "; removing system app. Last known codePath=" 2345 + ps.codePathString + ", installStatus=" + ps.installStatus 2346 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2347 + scannedPkg.mVersionCode); 2348 removePackageLI(scannedPkg, true); 2349 mExpectingBetter.put(ps.name, ps.codePath); 2350 } 2351 2352 continue; 2353 } 2354 2355 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2356 psit.remove(); 2357 logCriticalInfo(Log.WARN, "System package " + ps.name 2358 + " no longer exists; it's data will be wiped"); 2359 // Actual deletion of code and data will be handled by later 2360 // reconciliation step 2361 } else { 2362 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2363 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2364 possiblyDeletedUpdatedSystemApps.add(ps.name); 2365 } 2366 } 2367 } 2368 } 2369 2370 //look for any incomplete package installations 2371 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2372 for (int i = 0; i < deletePkgsList.size(); i++) { 2373 // Actual deletion of code and data will be handled by later 2374 // reconciliation step 2375 final String packageName = deletePkgsList.get(i).name; 2376 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2377 synchronized (mPackages) { 2378 mSettings.removePackageLPw(packageName); 2379 } 2380 } 2381 2382 //delete tmp files 2383 deleteTempPackageFiles(); 2384 2385 // Remove any shared userIDs that have no associated packages 2386 mSettings.pruneSharedUsersLPw(); 2387 2388 if (!mOnlyCore) { 2389 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2390 SystemClock.uptimeMillis()); 2391 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2392 2393 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2394 | PackageParser.PARSE_FORWARD_LOCK, 2395 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2396 2397 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2398 | PackageParser.PARSE_IS_EPHEMERAL, 2399 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2400 2401 /** 2402 * Remove disable package settings for any updated system 2403 * apps that were removed via an OTA. If they're not a 2404 * previously-updated app, remove them completely. 2405 * Otherwise, just revoke their system-level permissions. 2406 */ 2407 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2408 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2409 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2410 2411 String msg; 2412 if (deletedPkg == null) { 2413 msg = "Updated system package " + deletedAppName 2414 + " no longer exists; it's data will be wiped"; 2415 // Actual deletion of code and data will be handled by later 2416 // reconciliation step 2417 } else { 2418 msg = "Updated system app + " + deletedAppName 2419 + " no longer present; removing system privileges for " 2420 + deletedAppName; 2421 2422 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2423 2424 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2425 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2426 } 2427 logCriticalInfo(Log.WARN, msg); 2428 } 2429 2430 /** 2431 * Make sure all system apps that we expected to appear on 2432 * the userdata partition actually showed up. If they never 2433 * appeared, crawl back and revive the system version. 2434 */ 2435 for (int i = 0; i < mExpectingBetter.size(); i++) { 2436 final String packageName = mExpectingBetter.keyAt(i); 2437 if (!mPackages.containsKey(packageName)) { 2438 final File scanFile = mExpectingBetter.valueAt(i); 2439 2440 logCriticalInfo(Log.WARN, "Expected better " + packageName 2441 + " but never showed up; reverting to system"); 2442 2443 int reparseFlags = mDefParseFlags; 2444 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2445 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2446 | PackageParser.PARSE_IS_SYSTEM_DIR 2447 | PackageParser.PARSE_IS_PRIVILEGED; 2448 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2449 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2450 | PackageParser.PARSE_IS_SYSTEM_DIR; 2451 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2452 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2453 | PackageParser.PARSE_IS_SYSTEM_DIR; 2454 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2455 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2456 | PackageParser.PARSE_IS_SYSTEM_DIR; 2457 } else { 2458 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2459 continue; 2460 } 2461 2462 mSettings.enableSystemPackageLPw(packageName); 2463 2464 try { 2465 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2466 } catch (PackageManagerException e) { 2467 Slog.e(TAG, "Failed to parse original system package: " 2468 + e.getMessage()); 2469 } 2470 } 2471 } 2472 } 2473 mExpectingBetter.clear(); 2474 2475 // Resolve the storage manager. 2476 mStorageManagerPackage = getStorageManagerPackageName(); 2477 2478 // Resolve protected action filters. Only the setup wizard is allowed to 2479 // have a high priority filter for these actions. 2480 mSetupWizardPackage = getSetupWizardPackageName(); 2481 if (mProtectedFilters.size() > 0) { 2482 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2483 Slog.i(TAG, "No setup wizard;" 2484 + " All protected intents capped to priority 0"); 2485 } 2486 for (ActivityIntentInfo filter : mProtectedFilters) { 2487 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2488 if (DEBUG_FILTERS) { 2489 Slog.i(TAG, "Found setup wizard;" 2490 + " allow priority " + filter.getPriority() + ";" 2491 + " package: " + filter.activity.info.packageName 2492 + " activity: " + filter.activity.className 2493 + " priority: " + filter.getPriority()); 2494 } 2495 // skip setup wizard; allow it to keep the high priority filter 2496 continue; 2497 } 2498 Slog.w(TAG, "Protected action; cap priority to 0;" 2499 + " package: " + filter.activity.info.packageName 2500 + " activity: " + filter.activity.className 2501 + " origPrio: " + filter.getPriority()); 2502 filter.setPriority(0); 2503 } 2504 } 2505 mDeferProtectedFilters = false; 2506 mProtectedFilters.clear(); 2507 2508 // Now that we know all of the shared libraries, update all clients to have 2509 // the correct library paths. 2510 updateAllSharedLibrariesLPw(); 2511 2512 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2513 // NOTE: We ignore potential failures here during a system scan (like 2514 // the rest of the commands above) because there's precious little we 2515 // can do about it. A settings error is reported, though. 2516 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2517 false /* boot complete */); 2518 } 2519 2520 // Now that we know all the packages we are keeping, 2521 // read and update their last usage times. 2522 mPackageUsage.read(mPackages); 2523 mCompilerStats.read(); 2524 2525 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2526 SystemClock.uptimeMillis()); 2527 Slog.i(TAG, "Time to scan packages: " 2528 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2529 + " seconds"); 2530 2531 // If the platform SDK has changed since the last time we booted, 2532 // we need to re-grant app permission to catch any new ones that 2533 // appear. This is really a hack, and means that apps can in some 2534 // cases get permissions that the user didn't initially explicitly 2535 // allow... it would be nice to have some better way to handle 2536 // this situation. 2537 int updateFlags = UPDATE_PERMISSIONS_ALL; 2538 if (ver.sdkVersion != mSdkVersion) { 2539 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2540 + mSdkVersion + "; regranting permissions for internal storage"); 2541 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2542 } 2543 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2544 ver.sdkVersion = mSdkVersion; 2545 2546 // If this is the first boot or an update from pre-M, and it is a normal 2547 // boot, then we need to initialize the default preferred apps across 2548 // all defined users. 2549 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2550 for (UserInfo user : sUserManager.getUsers(true)) { 2551 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2552 applyFactoryDefaultBrowserLPw(user.id); 2553 primeDomainVerificationsLPw(user.id); 2554 } 2555 } 2556 2557 // Prepare storage for system user really early during boot, 2558 // since core system apps like SettingsProvider and SystemUI 2559 // can't wait for user to start 2560 final int storageFlags; 2561 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2562 storageFlags = StorageManager.FLAG_STORAGE_DE; 2563 } else { 2564 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2565 } 2566 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2567 storageFlags, true /* migrateAppData */); 2568 2569 // If this is first boot after an OTA, and a normal boot, then 2570 // we need to clear code cache directories. 2571 // Note that we do *not* clear the application profiles. These remain valid 2572 // across OTAs and are used to drive profile verification (post OTA) and 2573 // profile compilation (without waiting to collect a fresh set of profiles). 2574 if (mIsUpgrade && !onlyCore) { 2575 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2576 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2577 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2578 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2579 // No apps are running this early, so no need to freeze 2580 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2581 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2582 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2583 } 2584 } 2585 ver.fingerprint = Build.FINGERPRINT; 2586 } 2587 2588 checkDefaultBrowser(); 2589 2590 // clear only after permissions and other defaults have been updated 2591 mExistingSystemPackages.clear(); 2592 mPromoteSystemApps = false; 2593 2594 // All the changes are done during package scanning. 2595 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2596 2597 // can downgrade to reader 2598 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2599 mSettings.writeLPr(); 2600 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2601 2602 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2603 // early on (before the package manager declares itself as early) because other 2604 // components in the system server might ask for package contexts for these apps. 2605 // 2606 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2607 // (i.e, that the data partition is unavailable). 2608 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2609 long start = System.nanoTime(); 2610 List<PackageParser.Package> coreApps = new ArrayList<>(); 2611 for (PackageParser.Package pkg : mPackages.values()) { 2612 if (pkg.coreApp) { 2613 coreApps.add(pkg); 2614 } 2615 } 2616 2617 int[] stats = performDexOptUpgrade(coreApps, false, 2618 getCompilerFilterForReason(REASON_CORE_APP)); 2619 2620 final int elapsedTimeSeconds = 2621 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2622 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2623 2624 if (DEBUG_DEXOPT) { 2625 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2626 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2627 } 2628 2629 2630 // TODO: Should we log these stats to tron too ? 2631 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2632 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2633 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2634 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2635 } 2636 2637 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2638 SystemClock.uptimeMillis()); 2639 2640 if (!mOnlyCore) { 2641 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2642 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2643 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2644 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2645 mIntentFilterVerifierComponent); 2646 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2647 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2648 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2649 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2650 } else { 2651 mRequiredVerifierPackage = null; 2652 mRequiredInstallerPackage = null; 2653 mIntentFilterVerifierComponent = null; 2654 mIntentFilterVerifier = null; 2655 mServicesSystemSharedLibraryPackageName = null; 2656 mSharedSystemSharedLibraryPackageName = null; 2657 } 2658 2659 mInstallerService = new PackageInstallerService(context, this); 2660 2661 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2662 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2663 // both the installer and resolver must be present to enable ephemeral 2664 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2665 if (DEBUG_EPHEMERAL) { 2666 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2667 + " installer:" + ephemeralInstallerComponent); 2668 } 2669 mEphemeralResolverComponent = ephemeralResolverComponent; 2670 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2671 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2672 mEphemeralResolverConnection = 2673 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2674 } else { 2675 if (DEBUG_EPHEMERAL) { 2676 final String missingComponent = 2677 (ephemeralResolverComponent == null) 2678 ? (ephemeralInstallerComponent == null) 2679 ? "resolver and installer" 2680 : "resolver" 2681 : "installer"; 2682 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2683 } 2684 mEphemeralResolverComponent = null; 2685 mEphemeralInstallerComponent = null; 2686 mEphemeralResolverConnection = null; 2687 } 2688 2689 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2690 } // synchronized (mPackages) 2691 } // synchronized (mInstallLock) 2692 2693 // Now after opening every single application zip, make sure they 2694 // are all flushed. Not really needed, but keeps things nice and 2695 // tidy. 2696 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2697 Runtime.getRuntime().gc(); 2698 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2699 2700 // The initial scanning above does many calls into installd while 2701 // holding the mPackages lock, but we're mostly interested in yelling 2702 // once we have a booted system. 2703 mInstaller.setWarnIfHeld(mPackages); 2704 2705 // Expose private service for system components to use. 2706 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2707 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2708 } 2709 2710 @Override 2711 public boolean isFirstBoot() { 2712 return mFirstBoot; 2713 } 2714 2715 @Override 2716 public boolean isOnlyCoreApps() { 2717 return mOnlyCore; 2718 } 2719 2720 @Override 2721 public boolean isUpgrade() { 2722 return mIsUpgrade; 2723 } 2724 2725 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2726 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2727 2728 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2729 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2730 UserHandle.USER_SYSTEM); 2731 if (matches.size() == 1) { 2732 return matches.get(0).getComponentInfo().packageName; 2733 } else { 2734 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2735 return null; 2736 } 2737 } 2738 2739 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2740 synchronized (mPackages) { 2741 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2742 if (libraryEntry == null) { 2743 throw new IllegalStateException("Missing required shared library:" + libraryName); 2744 } 2745 return libraryEntry.apk; 2746 } 2747 } 2748 2749 private @NonNull String getRequiredInstallerLPr() { 2750 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2751 intent.addCategory(Intent.CATEGORY_DEFAULT); 2752 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2753 2754 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2755 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2756 UserHandle.USER_SYSTEM); 2757 if (matches.size() == 1) { 2758 ResolveInfo resolveInfo = matches.get(0); 2759 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2760 throw new RuntimeException("The installer must be a privileged app"); 2761 } 2762 return matches.get(0).getComponentInfo().packageName; 2763 } else { 2764 throw new RuntimeException("There must be exactly one installer; found " + matches); 2765 } 2766 } 2767 2768 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2769 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2770 2771 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2772 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2773 UserHandle.USER_SYSTEM); 2774 ResolveInfo best = null; 2775 final int N = matches.size(); 2776 for (int i = 0; i < N; i++) { 2777 final ResolveInfo cur = matches.get(i); 2778 final String packageName = cur.getComponentInfo().packageName; 2779 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2780 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2781 continue; 2782 } 2783 2784 if (best == null || cur.priority > best.priority) { 2785 best = cur; 2786 } 2787 } 2788 2789 if (best != null) { 2790 return best.getComponentInfo().getComponentName(); 2791 } else { 2792 throw new RuntimeException("There must be at least one intent filter verifier"); 2793 } 2794 } 2795 2796 private @Nullable ComponentName getEphemeralResolverLPr() { 2797 final String[] packageArray = 2798 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2799 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2800 if (DEBUG_EPHEMERAL) { 2801 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2802 } 2803 return null; 2804 } 2805 2806 final int resolveFlags = 2807 MATCH_DIRECT_BOOT_AWARE 2808 | MATCH_DIRECT_BOOT_UNAWARE 2809 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2810 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2811 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2812 resolveFlags, UserHandle.USER_SYSTEM); 2813 2814 final int N = resolvers.size(); 2815 if (N == 0) { 2816 if (DEBUG_EPHEMERAL) { 2817 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2818 } 2819 return null; 2820 } 2821 2822 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2823 for (int i = 0; i < N; i++) { 2824 final ResolveInfo info = resolvers.get(i); 2825 2826 if (info.serviceInfo == null) { 2827 continue; 2828 } 2829 2830 final String packageName = info.serviceInfo.packageName; 2831 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2832 if (DEBUG_EPHEMERAL) { 2833 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2834 + " pkg: " + packageName + ", info:" + info); 2835 } 2836 continue; 2837 } 2838 2839 if (DEBUG_EPHEMERAL) { 2840 Slog.v(TAG, "Ephemeral resolver found;" 2841 + " pkg: " + packageName + ", info:" + info); 2842 } 2843 return new ComponentName(packageName, info.serviceInfo.name); 2844 } 2845 if (DEBUG_EPHEMERAL) { 2846 Slog.v(TAG, "Ephemeral resolver NOT found"); 2847 } 2848 return null; 2849 } 2850 2851 private @Nullable ComponentName getEphemeralInstallerLPr() { 2852 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2853 intent.addCategory(Intent.CATEGORY_DEFAULT); 2854 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2855 2856 final int resolveFlags = 2857 MATCH_DIRECT_BOOT_AWARE 2858 | MATCH_DIRECT_BOOT_UNAWARE 2859 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2860 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2861 resolveFlags, UserHandle.USER_SYSTEM); 2862 if (matches.size() == 0) { 2863 return null; 2864 } else if (matches.size() == 1) { 2865 return matches.get(0).getComponentInfo().getComponentName(); 2866 } else { 2867 throw new RuntimeException( 2868 "There must be at most one ephemeral installer; found " + matches); 2869 } 2870 } 2871 2872 private void primeDomainVerificationsLPw(int userId) { 2873 if (DEBUG_DOMAIN_VERIFICATION) { 2874 Slog.d(TAG, "Priming domain verifications in user " + userId); 2875 } 2876 2877 SystemConfig systemConfig = SystemConfig.getInstance(); 2878 ArraySet<String> packages = systemConfig.getLinkedApps(); 2879 2880 for (String packageName : packages) { 2881 PackageParser.Package pkg = mPackages.get(packageName); 2882 if (pkg != null) { 2883 if (!pkg.isSystemApp()) { 2884 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2885 continue; 2886 } 2887 2888 ArraySet<String> domains = null; 2889 for (PackageParser.Activity a : pkg.activities) { 2890 for (ActivityIntentInfo filter : a.intents) { 2891 if (hasValidDomains(filter)) { 2892 if (domains == null) { 2893 domains = new ArraySet<String>(); 2894 } 2895 domains.addAll(filter.getHostsList()); 2896 } 2897 } 2898 } 2899 2900 if (domains != null && domains.size() > 0) { 2901 if (DEBUG_DOMAIN_VERIFICATION) { 2902 Slog.v(TAG, " + " + packageName); 2903 } 2904 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2905 // state w.r.t. the formal app-linkage "no verification attempted" state; 2906 // and then 'always' in the per-user state actually used for intent resolution. 2907 final IntentFilterVerificationInfo ivi; 2908 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 2909 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2910 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2911 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2912 } else { 2913 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2914 + "' does not handle web links"); 2915 } 2916 } else { 2917 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2918 } 2919 } 2920 2921 scheduleWritePackageRestrictionsLocked(userId); 2922 scheduleWriteSettingsLocked(); 2923 } 2924 2925 private void applyFactoryDefaultBrowserLPw(int userId) { 2926 // The default browser app's package name is stored in a string resource, 2927 // with a product-specific overlay used for vendor customization. 2928 String browserPkg = mContext.getResources().getString( 2929 com.android.internal.R.string.default_browser); 2930 if (!TextUtils.isEmpty(browserPkg)) { 2931 // non-empty string => required to be a known package 2932 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2933 if (ps == null) { 2934 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2935 browserPkg = null; 2936 } else { 2937 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2938 } 2939 } 2940 2941 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2942 // default. If there's more than one, just leave everything alone. 2943 if (browserPkg == null) { 2944 calculateDefaultBrowserLPw(userId); 2945 } 2946 } 2947 2948 private void calculateDefaultBrowserLPw(int userId) { 2949 List<String> allBrowsers = resolveAllBrowserApps(userId); 2950 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2951 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2952 } 2953 2954 private List<String> resolveAllBrowserApps(int userId) { 2955 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2956 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2957 PackageManager.MATCH_ALL, userId); 2958 2959 final int count = list.size(); 2960 List<String> result = new ArrayList<String>(count); 2961 for (int i=0; i<count; i++) { 2962 ResolveInfo info = list.get(i); 2963 if (info.activityInfo == null 2964 || !info.handleAllWebDataURI 2965 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2966 || result.contains(info.activityInfo.packageName)) { 2967 continue; 2968 } 2969 result.add(info.activityInfo.packageName); 2970 } 2971 2972 return result; 2973 } 2974 2975 private boolean packageIsBrowser(String packageName, int userId) { 2976 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2977 PackageManager.MATCH_ALL, userId); 2978 final int N = list.size(); 2979 for (int i = 0; i < N; i++) { 2980 ResolveInfo info = list.get(i); 2981 if (packageName.equals(info.activityInfo.packageName)) { 2982 return true; 2983 } 2984 } 2985 return false; 2986 } 2987 2988 private void checkDefaultBrowser() { 2989 final int myUserId = UserHandle.myUserId(); 2990 final String packageName = getDefaultBrowserPackageName(myUserId); 2991 if (packageName != null) { 2992 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2993 if (info == null) { 2994 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2995 synchronized (mPackages) { 2996 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2997 } 2998 } 2999 } 3000 } 3001 3002 @Override 3003 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3004 throws RemoteException { 3005 try { 3006 return super.onTransact(code, data, reply, flags); 3007 } catch (RuntimeException e) { 3008 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3009 Slog.wtf(TAG, "Package Manager Crash", e); 3010 } 3011 throw e; 3012 } 3013 } 3014 3015 static int[] appendInts(int[] cur, int[] add) { 3016 if (add == null) return cur; 3017 if (cur == null) return add; 3018 final int N = add.length; 3019 for (int i=0; i<N; i++) { 3020 cur = appendInt(cur, add[i]); 3021 } 3022 return cur; 3023 } 3024 3025 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3026 if (!sUserManager.exists(userId)) return null; 3027 if (ps == null) { 3028 return null; 3029 } 3030 final PackageParser.Package p = ps.pkg; 3031 if (p == null) { 3032 return null; 3033 } 3034 3035 final PermissionsState permissionsState = ps.getPermissionsState(); 3036 3037 // Compute GIDs only if requested 3038 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3039 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3040 // Compute granted permissions only if package has requested permissions 3041 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3042 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3043 final PackageUserState state = ps.readUserState(userId); 3044 3045 return PackageParser.generatePackageInfo(p, gids, flags, 3046 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3047 } 3048 3049 @Override 3050 public void checkPackageStartable(String packageName, int userId) { 3051 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3052 3053 synchronized (mPackages) { 3054 final PackageSetting ps = mSettings.mPackages.get(packageName); 3055 if (ps == null) { 3056 throw new SecurityException("Package " + packageName + " was not found!"); 3057 } 3058 3059 if (!ps.getInstalled(userId)) { 3060 throw new SecurityException( 3061 "Package " + packageName + " was not installed for user " + userId + "!"); 3062 } 3063 3064 if (mSafeMode && !ps.isSystem()) { 3065 throw new SecurityException("Package " + packageName + " not a system app!"); 3066 } 3067 3068 if (mFrozenPackages.contains(packageName)) { 3069 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3070 } 3071 3072 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3073 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3074 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3075 } 3076 } 3077 } 3078 3079 @Override 3080 public boolean isPackageAvailable(String packageName, int userId) { 3081 if (!sUserManager.exists(userId)) return false; 3082 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3083 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3084 synchronized (mPackages) { 3085 PackageParser.Package p = mPackages.get(packageName); 3086 if (p != null) { 3087 final PackageSetting ps = (PackageSetting) p.mExtras; 3088 if (ps != null) { 3089 final PackageUserState state = ps.readUserState(userId); 3090 if (state != null) { 3091 return PackageParser.isAvailable(state); 3092 } 3093 } 3094 } 3095 } 3096 return false; 3097 } 3098 3099 @Override 3100 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3101 if (!sUserManager.exists(userId)) return null; 3102 flags = updateFlagsForPackage(flags, userId, packageName); 3103 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3104 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3105 // reader 3106 synchronized (mPackages) { 3107 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3108 PackageParser.Package p = null; 3109 if (matchFactoryOnly) { 3110 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3111 if (ps != null) { 3112 return generatePackageInfo(ps, flags, userId); 3113 } 3114 } 3115 if (p == null) { 3116 p = mPackages.get(packageName); 3117 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3118 return null; 3119 } 3120 } 3121 if (DEBUG_PACKAGE_INFO) 3122 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3123 if (p != null) { 3124 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3125 } 3126 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3127 final PackageSetting ps = mSettings.mPackages.get(packageName); 3128 return generatePackageInfo(ps, flags, userId); 3129 } 3130 } 3131 return null; 3132 } 3133 3134 @Override 3135 public String[] currentToCanonicalPackageNames(String[] names) { 3136 String[] out = new String[names.length]; 3137 // reader 3138 synchronized (mPackages) { 3139 for (int i=names.length-1; i>=0; i--) { 3140 PackageSetting ps = mSettings.mPackages.get(names[i]); 3141 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3142 } 3143 } 3144 return out; 3145 } 3146 3147 @Override 3148 public String[] canonicalToCurrentPackageNames(String[] names) { 3149 String[] out = new String[names.length]; 3150 // reader 3151 synchronized (mPackages) { 3152 for (int i=names.length-1; i>=0; i--) { 3153 String cur = mSettings.getRenamedPackage(names[i]); 3154 out[i] = cur != null ? cur : names[i]; 3155 } 3156 } 3157 return out; 3158 } 3159 3160 @Override 3161 public int getPackageUid(String packageName, int flags, int userId) { 3162 if (!sUserManager.exists(userId)) return -1; 3163 flags = updateFlagsForPackage(flags, userId, packageName); 3164 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3165 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3166 3167 // reader 3168 synchronized (mPackages) { 3169 final PackageParser.Package p = mPackages.get(packageName); 3170 if (p != null && p.isMatch(flags)) { 3171 return UserHandle.getUid(userId, p.applicationInfo.uid); 3172 } 3173 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3174 final PackageSetting ps = mSettings.mPackages.get(packageName); 3175 if (ps != null && ps.isMatch(flags)) { 3176 return UserHandle.getUid(userId, ps.appId); 3177 } 3178 } 3179 } 3180 3181 return -1; 3182 } 3183 3184 @Override 3185 public int[] getPackageGids(String packageName, int flags, int userId) { 3186 if (!sUserManager.exists(userId)) return null; 3187 flags = updateFlagsForPackage(flags, userId, packageName); 3188 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3189 false /* requireFullPermission */, false /* checkShell */, 3190 "getPackageGids"); 3191 3192 // reader 3193 synchronized (mPackages) { 3194 final PackageParser.Package p = mPackages.get(packageName); 3195 if (p != null && p.isMatch(flags)) { 3196 PackageSetting ps = (PackageSetting) p.mExtras; 3197 return ps.getPermissionsState().computeGids(userId); 3198 } 3199 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3200 final PackageSetting ps = mSettings.mPackages.get(packageName); 3201 if (ps != null && ps.isMatch(flags)) { 3202 return ps.getPermissionsState().computeGids(userId); 3203 } 3204 } 3205 } 3206 3207 return null; 3208 } 3209 3210 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3211 if (bp.perm != null) { 3212 return PackageParser.generatePermissionInfo(bp.perm, flags); 3213 } 3214 PermissionInfo pi = new PermissionInfo(); 3215 pi.name = bp.name; 3216 pi.packageName = bp.sourcePackage; 3217 pi.nonLocalizedLabel = bp.name; 3218 pi.protectionLevel = bp.protectionLevel; 3219 return pi; 3220 } 3221 3222 @Override 3223 public PermissionInfo getPermissionInfo(String name, int flags) { 3224 // reader 3225 synchronized (mPackages) { 3226 final BasePermission p = mSettings.mPermissions.get(name); 3227 if (p != null) { 3228 return generatePermissionInfo(p, flags); 3229 } 3230 return null; 3231 } 3232 } 3233 3234 @Override 3235 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3236 int flags) { 3237 // reader 3238 synchronized (mPackages) { 3239 if (group != null && !mPermissionGroups.containsKey(group)) { 3240 // This is thrown as NameNotFoundException 3241 return null; 3242 } 3243 3244 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3245 for (BasePermission p : mSettings.mPermissions.values()) { 3246 if (group == null) { 3247 if (p.perm == null || p.perm.info.group == null) { 3248 out.add(generatePermissionInfo(p, flags)); 3249 } 3250 } else { 3251 if (p.perm != null && group.equals(p.perm.info.group)) { 3252 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3253 } 3254 } 3255 } 3256 return new ParceledListSlice<>(out); 3257 } 3258 } 3259 3260 @Override 3261 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3262 // reader 3263 synchronized (mPackages) { 3264 return PackageParser.generatePermissionGroupInfo( 3265 mPermissionGroups.get(name), flags); 3266 } 3267 } 3268 3269 @Override 3270 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3271 // reader 3272 synchronized (mPackages) { 3273 final int N = mPermissionGroups.size(); 3274 ArrayList<PermissionGroupInfo> out 3275 = new ArrayList<PermissionGroupInfo>(N); 3276 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3277 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3278 } 3279 return new ParceledListSlice<>(out); 3280 } 3281 } 3282 3283 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3284 int userId) { 3285 if (!sUserManager.exists(userId)) return null; 3286 PackageSetting ps = mSettings.mPackages.get(packageName); 3287 if (ps != null) { 3288 if (ps.pkg == null) { 3289 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3290 if (pInfo != null) { 3291 return pInfo.applicationInfo; 3292 } 3293 return null; 3294 } 3295 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3296 ps.readUserState(userId), userId); 3297 } 3298 return null; 3299 } 3300 3301 @Override 3302 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3303 if (!sUserManager.exists(userId)) return null; 3304 flags = updateFlagsForApplication(flags, userId, packageName); 3305 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3306 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3307 // writer 3308 synchronized (mPackages) { 3309 PackageParser.Package p = mPackages.get(packageName); 3310 if (DEBUG_PACKAGE_INFO) Log.v( 3311 TAG, "getApplicationInfo " + packageName 3312 + ": " + p); 3313 if (p != null) { 3314 PackageSetting ps = mSettings.mPackages.get(packageName); 3315 if (ps == null) return null; 3316 // Note: isEnabledLP() does not apply here - always return info 3317 return PackageParser.generateApplicationInfo( 3318 p, flags, ps.readUserState(userId), userId); 3319 } 3320 if ("android".equals(packageName)||"system".equals(packageName)) { 3321 return mAndroidApplication; 3322 } 3323 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3324 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3325 } 3326 } 3327 return null; 3328 } 3329 3330 @Override 3331 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3332 final IPackageDataObserver observer) { 3333 mContext.enforceCallingOrSelfPermission( 3334 android.Manifest.permission.CLEAR_APP_CACHE, null); 3335 // Queue up an async operation since clearing cache may take a little while. 3336 mHandler.post(new Runnable() { 3337 public void run() { 3338 mHandler.removeCallbacks(this); 3339 boolean success = true; 3340 synchronized (mInstallLock) { 3341 try { 3342 mInstaller.freeCache(volumeUuid, freeStorageSize); 3343 } catch (InstallerException e) { 3344 Slog.w(TAG, "Couldn't clear application caches: " + e); 3345 success = false; 3346 } 3347 } 3348 if (observer != null) { 3349 try { 3350 observer.onRemoveCompleted(null, success); 3351 } catch (RemoteException e) { 3352 Slog.w(TAG, "RemoveException when invoking call back"); 3353 } 3354 } 3355 } 3356 }); 3357 } 3358 3359 @Override 3360 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3361 final IntentSender pi) { 3362 mContext.enforceCallingOrSelfPermission( 3363 android.Manifest.permission.CLEAR_APP_CACHE, null); 3364 // Queue up an async operation since clearing cache may take a little while. 3365 mHandler.post(new Runnable() { 3366 public void run() { 3367 mHandler.removeCallbacks(this); 3368 boolean success = true; 3369 synchronized (mInstallLock) { 3370 try { 3371 mInstaller.freeCache(volumeUuid, freeStorageSize); 3372 } catch (InstallerException e) { 3373 Slog.w(TAG, "Couldn't clear application caches: " + e); 3374 success = false; 3375 } 3376 } 3377 if(pi != null) { 3378 try { 3379 // Callback via pending intent 3380 int code = success ? 1 : 0; 3381 pi.sendIntent(null, code, null, 3382 null, null); 3383 } catch (SendIntentException e1) { 3384 Slog.i(TAG, "Failed to send pending intent"); 3385 } 3386 } 3387 } 3388 }); 3389 } 3390 3391 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3392 synchronized (mInstallLock) { 3393 try { 3394 mInstaller.freeCache(volumeUuid, freeStorageSize); 3395 } catch (InstallerException e) { 3396 throw new IOException("Failed to free enough space", e); 3397 } 3398 } 3399 } 3400 3401 /** 3402 * Update given flags based on encryption status of current user. 3403 */ 3404 private int updateFlags(int flags, int userId) { 3405 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3406 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3407 // Caller expressed an explicit opinion about what encryption 3408 // aware/unaware components they want to see, so fall through and 3409 // give them what they want 3410 } else { 3411 // Caller expressed no opinion, so match based on user state 3412 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3413 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3414 } else { 3415 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3416 } 3417 } 3418 return flags; 3419 } 3420 3421 private UserManagerInternal getUserManagerInternal() { 3422 if (mUserManagerInternal == null) { 3423 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3424 } 3425 return mUserManagerInternal; 3426 } 3427 3428 /** 3429 * Update given flags when being used to request {@link PackageInfo}. 3430 */ 3431 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3432 boolean triaged = true; 3433 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3434 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3435 // Caller is asking for component details, so they'd better be 3436 // asking for specific encryption matching behavior, or be triaged 3437 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3438 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3439 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3440 triaged = false; 3441 } 3442 } 3443 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3444 | PackageManager.MATCH_SYSTEM_ONLY 3445 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3446 triaged = false; 3447 } 3448 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3449 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3450 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3451 } 3452 return updateFlags(flags, userId); 3453 } 3454 3455 /** 3456 * Update given flags when being used to request {@link ApplicationInfo}. 3457 */ 3458 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3459 return updateFlagsForPackage(flags, userId, cookie); 3460 } 3461 3462 /** 3463 * Update given flags when being used to request {@link ComponentInfo}. 3464 */ 3465 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3466 if (cookie instanceof Intent) { 3467 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3468 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3469 } 3470 } 3471 3472 boolean triaged = true; 3473 // Caller is asking for component details, so they'd better be 3474 // asking for specific encryption matching behavior, or be triaged 3475 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3476 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3477 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3478 triaged = false; 3479 } 3480 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3481 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3482 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3483 } 3484 3485 return updateFlags(flags, userId); 3486 } 3487 3488 /** 3489 * Update given flags when being used to request {@link ResolveInfo}. 3490 */ 3491 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3492 // Safe mode means we shouldn't match any third-party components 3493 if (mSafeMode) { 3494 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3495 } 3496 3497 return updateFlagsForComponent(flags, userId, cookie); 3498 } 3499 3500 @Override 3501 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3502 if (!sUserManager.exists(userId)) return null; 3503 flags = updateFlagsForComponent(flags, userId, component); 3504 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3505 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3506 synchronized (mPackages) { 3507 PackageParser.Activity a = mActivities.mActivities.get(component); 3508 3509 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3510 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3511 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3512 if (ps == null) return null; 3513 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3514 userId); 3515 } 3516 if (mResolveComponentName.equals(component)) { 3517 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3518 new PackageUserState(), userId); 3519 } 3520 } 3521 return null; 3522 } 3523 3524 @Override 3525 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3526 String resolvedType) { 3527 synchronized (mPackages) { 3528 if (component.equals(mResolveComponentName)) { 3529 // The resolver supports EVERYTHING! 3530 return true; 3531 } 3532 PackageParser.Activity a = mActivities.mActivities.get(component); 3533 if (a == null) { 3534 return false; 3535 } 3536 for (int i=0; i<a.intents.size(); i++) { 3537 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3538 intent.getData(), intent.getCategories(), TAG) >= 0) { 3539 return true; 3540 } 3541 } 3542 return false; 3543 } 3544 } 3545 3546 @Override 3547 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3548 if (!sUserManager.exists(userId)) return null; 3549 flags = updateFlagsForComponent(flags, userId, component); 3550 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3551 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3552 synchronized (mPackages) { 3553 PackageParser.Activity a = mReceivers.mActivities.get(component); 3554 if (DEBUG_PACKAGE_INFO) Log.v( 3555 TAG, "getReceiverInfo " + component + ": " + a); 3556 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3557 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3558 if (ps == null) return null; 3559 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3560 userId); 3561 } 3562 } 3563 return null; 3564 } 3565 3566 @Override 3567 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3568 if (!sUserManager.exists(userId)) return null; 3569 flags = updateFlagsForComponent(flags, userId, component); 3570 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3571 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3572 synchronized (mPackages) { 3573 PackageParser.Service s = mServices.mServices.get(component); 3574 if (DEBUG_PACKAGE_INFO) Log.v( 3575 TAG, "getServiceInfo " + component + ": " + s); 3576 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3577 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3578 if (ps == null) return null; 3579 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3580 userId); 3581 } 3582 } 3583 return null; 3584 } 3585 3586 @Override 3587 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3588 if (!sUserManager.exists(userId)) return null; 3589 flags = updateFlagsForComponent(flags, userId, component); 3590 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3591 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3592 synchronized (mPackages) { 3593 PackageParser.Provider p = mProviders.mProviders.get(component); 3594 if (DEBUG_PACKAGE_INFO) Log.v( 3595 TAG, "getProviderInfo " + component + ": " + p); 3596 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3597 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3598 if (ps == null) return null; 3599 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3600 userId); 3601 } 3602 } 3603 return null; 3604 } 3605 3606 @Override 3607 public String[] getSystemSharedLibraryNames() { 3608 Set<String> libSet; 3609 synchronized (mPackages) { 3610 libSet = mSharedLibraries.keySet(); 3611 int size = libSet.size(); 3612 if (size > 0) { 3613 String[] libs = new String[size]; 3614 libSet.toArray(libs); 3615 return libs; 3616 } 3617 } 3618 return null; 3619 } 3620 3621 @Override 3622 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3623 synchronized (mPackages) { 3624 return mServicesSystemSharedLibraryPackageName; 3625 } 3626 } 3627 3628 @Override 3629 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3630 synchronized (mPackages) { 3631 return mSharedSystemSharedLibraryPackageName; 3632 } 3633 } 3634 3635 @Override 3636 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3637 synchronized (mPackages) { 3638 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3639 3640 final FeatureInfo fi = new FeatureInfo(); 3641 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3642 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3643 res.add(fi); 3644 3645 return new ParceledListSlice<>(res); 3646 } 3647 } 3648 3649 @Override 3650 public boolean hasSystemFeature(String name, int version) { 3651 synchronized (mPackages) { 3652 final FeatureInfo feat = mAvailableFeatures.get(name); 3653 if (feat == null) { 3654 return false; 3655 } else { 3656 return feat.version >= version; 3657 } 3658 } 3659 } 3660 3661 @Override 3662 public int checkPermission(String permName, String pkgName, int userId) { 3663 if (!sUserManager.exists(userId)) { 3664 return PackageManager.PERMISSION_DENIED; 3665 } 3666 3667 synchronized (mPackages) { 3668 final PackageParser.Package p = mPackages.get(pkgName); 3669 if (p != null && p.mExtras != null) { 3670 final PackageSetting ps = (PackageSetting) p.mExtras; 3671 final PermissionsState permissionsState = ps.getPermissionsState(); 3672 if (permissionsState.hasPermission(permName, userId)) { 3673 return PackageManager.PERMISSION_GRANTED; 3674 } 3675 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3676 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3677 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3678 return PackageManager.PERMISSION_GRANTED; 3679 } 3680 } 3681 } 3682 3683 return PackageManager.PERMISSION_DENIED; 3684 } 3685 3686 @Override 3687 public int checkUidPermission(String permName, int uid) { 3688 final int userId = UserHandle.getUserId(uid); 3689 3690 if (!sUserManager.exists(userId)) { 3691 return PackageManager.PERMISSION_DENIED; 3692 } 3693 3694 synchronized (mPackages) { 3695 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3696 if (obj != null) { 3697 final SettingBase ps = (SettingBase) obj; 3698 final PermissionsState permissionsState = ps.getPermissionsState(); 3699 if (permissionsState.hasPermission(permName, userId)) { 3700 return PackageManager.PERMISSION_GRANTED; 3701 } 3702 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3703 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3704 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3705 return PackageManager.PERMISSION_GRANTED; 3706 } 3707 } else { 3708 ArraySet<String> perms = mSystemPermissions.get(uid); 3709 if (perms != null) { 3710 if (perms.contains(permName)) { 3711 return PackageManager.PERMISSION_GRANTED; 3712 } 3713 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3714 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3715 return PackageManager.PERMISSION_GRANTED; 3716 } 3717 } 3718 } 3719 } 3720 3721 return PackageManager.PERMISSION_DENIED; 3722 } 3723 3724 @Override 3725 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3726 if (UserHandle.getCallingUserId() != userId) { 3727 mContext.enforceCallingPermission( 3728 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3729 "isPermissionRevokedByPolicy for user " + userId); 3730 } 3731 3732 if (checkPermission(permission, packageName, userId) 3733 == PackageManager.PERMISSION_GRANTED) { 3734 return false; 3735 } 3736 3737 final long identity = Binder.clearCallingIdentity(); 3738 try { 3739 final int flags = getPermissionFlags(permission, packageName, userId); 3740 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3741 } finally { 3742 Binder.restoreCallingIdentity(identity); 3743 } 3744 } 3745 3746 @Override 3747 public String getPermissionControllerPackageName() { 3748 synchronized (mPackages) { 3749 return mRequiredInstallerPackage; 3750 } 3751 } 3752 3753 /** 3754 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3755 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3756 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3757 * @param message the message to log on security exception 3758 */ 3759 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3760 boolean checkShell, String message) { 3761 if (userId < 0) { 3762 throw new IllegalArgumentException("Invalid userId " + userId); 3763 } 3764 if (checkShell) { 3765 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3766 } 3767 if (userId == UserHandle.getUserId(callingUid)) return; 3768 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3769 if (requireFullPermission) { 3770 mContext.enforceCallingOrSelfPermission( 3771 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3772 } else { 3773 try { 3774 mContext.enforceCallingOrSelfPermission( 3775 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3776 } catch (SecurityException se) { 3777 mContext.enforceCallingOrSelfPermission( 3778 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3779 } 3780 } 3781 } 3782 } 3783 3784 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3785 if (callingUid == Process.SHELL_UID) { 3786 if (userHandle >= 0 3787 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3788 throw new SecurityException("Shell does not have permission to access user " 3789 + userHandle); 3790 } else if (userHandle < 0) { 3791 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3792 + Debug.getCallers(3)); 3793 } 3794 } 3795 } 3796 3797 private BasePermission findPermissionTreeLP(String permName) { 3798 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3799 if (permName.startsWith(bp.name) && 3800 permName.length() > bp.name.length() && 3801 permName.charAt(bp.name.length()) == '.') { 3802 return bp; 3803 } 3804 } 3805 return null; 3806 } 3807 3808 private BasePermission checkPermissionTreeLP(String permName) { 3809 if (permName != null) { 3810 BasePermission bp = findPermissionTreeLP(permName); 3811 if (bp != null) { 3812 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3813 return bp; 3814 } 3815 throw new SecurityException("Calling uid " 3816 + Binder.getCallingUid() 3817 + " is not allowed to add to permission tree " 3818 + bp.name + " owned by uid " + bp.uid); 3819 } 3820 } 3821 throw new SecurityException("No permission tree found for " + permName); 3822 } 3823 3824 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3825 if (s1 == null) { 3826 return s2 == null; 3827 } 3828 if (s2 == null) { 3829 return false; 3830 } 3831 if (s1.getClass() != s2.getClass()) { 3832 return false; 3833 } 3834 return s1.equals(s2); 3835 } 3836 3837 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3838 if (pi1.icon != pi2.icon) return false; 3839 if (pi1.logo != pi2.logo) return false; 3840 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3841 if (!compareStrings(pi1.name, pi2.name)) return false; 3842 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3843 // We'll take care of setting this one. 3844 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3845 // These are not currently stored in settings. 3846 //if (!compareStrings(pi1.group, pi2.group)) return false; 3847 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3848 //if (pi1.labelRes != pi2.labelRes) return false; 3849 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3850 return true; 3851 } 3852 3853 int permissionInfoFootprint(PermissionInfo info) { 3854 int size = info.name.length(); 3855 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3856 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3857 return size; 3858 } 3859 3860 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3861 int size = 0; 3862 for (BasePermission perm : mSettings.mPermissions.values()) { 3863 if (perm.uid == tree.uid) { 3864 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3865 } 3866 } 3867 return size; 3868 } 3869 3870 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3871 // We calculate the max size of permissions defined by this uid and throw 3872 // if that plus the size of 'info' would exceed our stated maximum. 3873 if (tree.uid != Process.SYSTEM_UID) { 3874 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3875 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3876 throw new SecurityException("Permission tree size cap exceeded"); 3877 } 3878 } 3879 } 3880 3881 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3882 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3883 throw new SecurityException("Label must be specified in permission"); 3884 } 3885 BasePermission tree = checkPermissionTreeLP(info.name); 3886 BasePermission bp = mSettings.mPermissions.get(info.name); 3887 boolean added = bp == null; 3888 boolean changed = true; 3889 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3890 if (added) { 3891 enforcePermissionCapLocked(info, tree); 3892 bp = new BasePermission(info.name, tree.sourcePackage, 3893 BasePermission.TYPE_DYNAMIC); 3894 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3895 throw new SecurityException( 3896 "Not allowed to modify non-dynamic permission " 3897 + info.name); 3898 } else { 3899 if (bp.protectionLevel == fixedLevel 3900 && bp.perm.owner.equals(tree.perm.owner) 3901 && bp.uid == tree.uid 3902 && comparePermissionInfos(bp.perm.info, info)) { 3903 changed = false; 3904 } 3905 } 3906 bp.protectionLevel = fixedLevel; 3907 info = new PermissionInfo(info); 3908 info.protectionLevel = fixedLevel; 3909 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3910 bp.perm.info.packageName = tree.perm.info.packageName; 3911 bp.uid = tree.uid; 3912 if (added) { 3913 mSettings.mPermissions.put(info.name, bp); 3914 } 3915 if (changed) { 3916 if (!async) { 3917 mSettings.writeLPr(); 3918 } else { 3919 scheduleWriteSettingsLocked(); 3920 } 3921 } 3922 return added; 3923 } 3924 3925 @Override 3926 public boolean addPermission(PermissionInfo info) { 3927 synchronized (mPackages) { 3928 return addPermissionLocked(info, false); 3929 } 3930 } 3931 3932 @Override 3933 public boolean addPermissionAsync(PermissionInfo info) { 3934 synchronized (mPackages) { 3935 return addPermissionLocked(info, true); 3936 } 3937 } 3938 3939 @Override 3940 public void removePermission(String name) { 3941 synchronized (mPackages) { 3942 checkPermissionTreeLP(name); 3943 BasePermission bp = mSettings.mPermissions.get(name); 3944 if (bp != null) { 3945 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3946 throw new SecurityException( 3947 "Not allowed to modify non-dynamic permission " 3948 + name); 3949 } 3950 mSettings.mPermissions.remove(name); 3951 mSettings.writeLPr(); 3952 } 3953 } 3954 } 3955 3956 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3957 BasePermission bp) { 3958 int index = pkg.requestedPermissions.indexOf(bp.name); 3959 if (index == -1) { 3960 throw new SecurityException("Package " + pkg.packageName 3961 + " has not requested permission " + bp.name); 3962 } 3963 if (!bp.isRuntime() && !bp.isDevelopment()) { 3964 throw new SecurityException("Permission " + bp.name 3965 + " is not a changeable permission type"); 3966 } 3967 } 3968 3969 @Override 3970 public void grantRuntimePermission(String packageName, String name, final int userId) { 3971 if (!sUserManager.exists(userId)) { 3972 Log.e(TAG, "No such user:" + userId); 3973 return; 3974 } 3975 3976 mContext.enforceCallingOrSelfPermission( 3977 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3978 "grantRuntimePermission"); 3979 3980 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3981 true /* requireFullPermission */, true /* checkShell */, 3982 "grantRuntimePermission"); 3983 3984 final int uid; 3985 final SettingBase sb; 3986 3987 synchronized (mPackages) { 3988 final PackageParser.Package pkg = mPackages.get(packageName); 3989 if (pkg == null) { 3990 throw new IllegalArgumentException("Unknown package: " + packageName); 3991 } 3992 3993 final BasePermission bp = mSettings.mPermissions.get(name); 3994 if (bp == null) { 3995 throw new IllegalArgumentException("Unknown permission: " + name); 3996 } 3997 3998 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3999 4000 // If a permission review is required for legacy apps we represent 4001 // their permissions as always granted runtime ones since we need 4002 // to keep the review required permission flag per user while an 4003 // install permission's state is shared across all users. 4004 if (mPermissionReviewRequired 4005 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4006 && bp.isRuntime()) { 4007 return; 4008 } 4009 4010 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4011 sb = (SettingBase) pkg.mExtras; 4012 if (sb == null) { 4013 throw new IllegalArgumentException("Unknown package: " + packageName); 4014 } 4015 4016 final PermissionsState permissionsState = sb.getPermissionsState(); 4017 4018 final int flags = permissionsState.getPermissionFlags(name, userId); 4019 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4020 throw new SecurityException("Cannot grant system fixed permission " 4021 + name + " for package " + packageName); 4022 } 4023 4024 if (bp.isDevelopment()) { 4025 // Development permissions must be handled specially, since they are not 4026 // normal runtime permissions. For now they apply to all users. 4027 if (permissionsState.grantInstallPermission(bp) != 4028 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4029 scheduleWriteSettingsLocked(); 4030 } 4031 return; 4032 } 4033 4034 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4035 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4036 return; 4037 } 4038 4039 final int result = permissionsState.grantRuntimePermission(bp, userId); 4040 switch (result) { 4041 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4042 return; 4043 } 4044 4045 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4046 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4047 mHandler.post(new Runnable() { 4048 @Override 4049 public void run() { 4050 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4051 } 4052 }); 4053 } 4054 break; 4055 } 4056 4057 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4058 4059 // Not critical if that is lost - app has to request again. 4060 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4061 } 4062 4063 // Only need to do this if user is initialized. Otherwise it's a new user 4064 // and there are no processes running as the user yet and there's no need 4065 // to make an expensive call to remount processes for the changed permissions. 4066 if (READ_EXTERNAL_STORAGE.equals(name) 4067 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4068 final long token = Binder.clearCallingIdentity(); 4069 try { 4070 if (sUserManager.isInitialized(userId)) { 4071 MountServiceInternal mountServiceInternal = LocalServices.getService( 4072 MountServiceInternal.class); 4073 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4074 } 4075 } finally { 4076 Binder.restoreCallingIdentity(token); 4077 } 4078 } 4079 } 4080 4081 @Override 4082 public void revokeRuntimePermission(String packageName, String name, int userId) { 4083 if (!sUserManager.exists(userId)) { 4084 Log.e(TAG, "No such user:" + userId); 4085 return; 4086 } 4087 4088 mContext.enforceCallingOrSelfPermission( 4089 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4090 "revokeRuntimePermission"); 4091 4092 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4093 true /* requireFullPermission */, true /* checkShell */, 4094 "revokeRuntimePermission"); 4095 4096 final int appId; 4097 4098 synchronized (mPackages) { 4099 final PackageParser.Package pkg = mPackages.get(packageName); 4100 if (pkg == null) { 4101 throw new IllegalArgumentException("Unknown package: " + packageName); 4102 } 4103 4104 final BasePermission bp = mSettings.mPermissions.get(name); 4105 if (bp == null) { 4106 throw new IllegalArgumentException("Unknown permission: " + name); 4107 } 4108 4109 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4110 4111 // If a permission review is required for legacy apps we represent 4112 // their permissions as always granted runtime ones since we need 4113 // to keep the review required permission flag per user while an 4114 // install permission's state is shared across all users. 4115 if (mPermissionReviewRequired 4116 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4117 && bp.isRuntime()) { 4118 return; 4119 } 4120 4121 SettingBase sb = (SettingBase) pkg.mExtras; 4122 if (sb == null) { 4123 throw new IllegalArgumentException("Unknown package: " + packageName); 4124 } 4125 4126 final PermissionsState permissionsState = sb.getPermissionsState(); 4127 4128 final int flags = permissionsState.getPermissionFlags(name, userId); 4129 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4130 throw new SecurityException("Cannot revoke system fixed permission " 4131 + name + " for package " + packageName); 4132 } 4133 4134 if (bp.isDevelopment()) { 4135 // Development permissions must be handled specially, since they are not 4136 // normal runtime permissions. For now they apply to all users. 4137 if (permissionsState.revokeInstallPermission(bp) != 4138 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4139 scheduleWriteSettingsLocked(); 4140 } 4141 return; 4142 } 4143 4144 if (permissionsState.revokeRuntimePermission(bp, userId) == 4145 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4146 return; 4147 } 4148 4149 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4150 4151 // Critical, after this call app should never have the permission. 4152 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4153 4154 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4155 } 4156 4157 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4158 } 4159 4160 @Override 4161 public void resetRuntimePermissions() { 4162 mContext.enforceCallingOrSelfPermission( 4163 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4164 "revokeRuntimePermission"); 4165 4166 int callingUid = Binder.getCallingUid(); 4167 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4168 mContext.enforceCallingOrSelfPermission( 4169 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4170 "resetRuntimePermissions"); 4171 } 4172 4173 synchronized (mPackages) { 4174 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4175 for (int userId : UserManagerService.getInstance().getUserIds()) { 4176 final int packageCount = mPackages.size(); 4177 for (int i = 0; i < packageCount; i++) { 4178 PackageParser.Package pkg = mPackages.valueAt(i); 4179 if (!(pkg.mExtras instanceof PackageSetting)) { 4180 continue; 4181 } 4182 PackageSetting ps = (PackageSetting) pkg.mExtras; 4183 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4184 } 4185 } 4186 } 4187 } 4188 4189 @Override 4190 public int getPermissionFlags(String name, String packageName, int userId) { 4191 if (!sUserManager.exists(userId)) { 4192 return 0; 4193 } 4194 4195 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4196 4197 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4198 true /* requireFullPermission */, false /* checkShell */, 4199 "getPermissionFlags"); 4200 4201 synchronized (mPackages) { 4202 final PackageParser.Package pkg = mPackages.get(packageName); 4203 if (pkg == null) { 4204 return 0; 4205 } 4206 4207 final BasePermission bp = mSettings.mPermissions.get(name); 4208 if (bp == null) { 4209 return 0; 4210 } 4211 4212 SettingBase sb = (SettingBase) pkg.mExtras; 4213 if (sb == null) { 4214 return 0; 4215 } 4216 4217 PermissionsState permissionsState = sb.getPermissionsState(); 4218 return permissionsState.getPermissionFlags(name, userId); 4219 } 4220 } 4221 4222 @Override 4223 public void updatePermissionFlags(String name, String packageName, int flagMask, 4224 int flagValues, int userId) { 4225 if (!sUserManager.exists(userId)) { 4226 return; 4227 } 4228 4229 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4230 4231 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4232 true /* requireFullPermission */, true /* checkShell */, 4233 "updatePermissionFlags"); 4234 4235 // Only the system can change these flags and nothing else. 4236 if (getCallingUid() != Process.SYSTEM_UID) { 4237 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4238 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4239 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4240 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4241 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4242 } 4243 4244 synchronized (mPackages) { 4245 final PackageParser.Package pkg = mPackages.get(packageName); 4246 if (pkg == null) { 4247 throw new IllegalArgumentException("Unknown package: " + packageName); 4248 } 4249 4250 final BasePermission bp = mSettings.mPermissions.get(name); 4251 if (bp == null) { 4252 throw new IllegalArgumentException("Unknown permission: " + name); 4253 } 4254 4255 SettingBase sb = (SettingBase) pkg.mExtras; 4256 if (sb == null) { 4257 throw new IllegalArgumentException("Unknown package: " + packageName); 4258 } 4259 4260 PermissionsState permissionsState = sb.getPermissionsState(); 4261 4262 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4263 4264 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4265 // Install and runtime permissions are stored in different places, 4266 // so figure out what permission changed and persist the change. 4267 if (permissionsState.getInstallPermissionState(name) != null) { 4268 scheduleWriteSettingsLocked(); 4269 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4270 || hadState) { 4271 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4272 } 4273 } 4274 } 4275 } 4276 4277 /** 4278 * Update the permission flags for all packages and runtime permissions of a user in order 4279 * to allow device or profile owner to remove POLICY_FIXED. 4280 */ 4281 @Override 4282 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4283 if (!sUserManager.exists(userId)) { 4284 return; 4285 } 4286 4287 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4288 4289 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4290 true /* requireFullPermission */, true /* checkShell */, 4291 "updatePermissionFlagsForAllApps"); 4292 4293 // Only the system can change system fixed flags. 4294 if (getCallingUid() != Process.SYSTEM_UID) { 4295 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4296 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4297 } 4298 4299 synchronized (mPackages) { 4300 boolean changed = false; 4301 final int packageCount = mPackages.size(); 4302 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4303 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4304 SettingBase sb = (SettingBase) pkg.mExtras; 4305 if (sb == null) { 4306 continue; 4307 } 4308 PermissionsState permissionsState = sb.getPermissionsState(); 4309 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4310 userId, flagMask, flagValues); 4311 } 4312 if (changed) { 4313 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4314 } 4315 } 4316 } 4317 4318 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4319 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4320 != PackageManager.PERMISSION_GRANTED 4321 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4322 != PackageManager.PERMISSION_GRANTED) { 4323 throw new SecurityException(message + " requires " 4324 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4325 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4326 } 4327 } 4328 4329 @Override 4330 public boolean shouldShowRequestPermissionRationale(String permissionName, 4331 String packageName, int userId) { 4332 if (UserHandle.getCallingUserId() != userId) { 4333 mContext.enforceCallingPermission( 4334 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4335 "canShowRequestPermissionRationale for user " + userId); 4336 } 4337 4338 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4339 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4340 return false; 4341 } 4342 4343 if (checkPermission(permissionName, packageName, userId) 4344 == PackageManager.PERMISSION_GRANTED) { 4345 return false; 4346 } 4347 4348 final int flags; 4349 4350 final long identity = Binder.clearCallingIdentity(); 4351 try { 4352 flags = getPermissionFlags(permissionName, 4353 packageName, userId); 4354 } finally { 4355 Binder.restoreCallingIdentity(identity); 4356 } 4357 4358 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4359 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4360 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4361 4362 if ((flags & fixedFlags) != 0) { 4363 return false; 4364 } 4365 4366 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4367 } 4368 4369 @Override 4370 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4371 mContext.enforceCallingOrSelfPermission( 4372 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4373 "addOnPermissionsChangeListener"); 4374 4375 synchronized (mPackages) { 4376 mOnPermissionChangeListeners.addListenerLocked(listener); 4377 } 4378 } 4379 4380 @Override 4381 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4382 synchronized (mPackages) { 4383 mOnPermissionChangeListeners.removeListenerLocked(listener); 4384 } 4385 } 4386 4387 @Override 4388 public boolean isProtectedBroadcast(String actionName) { 4389 synchronized (mPackages) { 4390 if (mProtectedBroadcasts.contains(actionName)) { 4391 return true; 4392 } else if (actionName != null) { 4393 // TODO: remove these terrible hacks 4394 if (actionName.startsWith("android.net.netmon.lingerExpired") 4395 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4396 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4397 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4398 return true; 4399 } 4400 } 4401 } 4402 return false; 4403 } 4404 4405 @Override 4406 public int checkSignatures(String pkg1, String pkg2) { 4407 synchronized (mPackages) { 4408 final PackageParser.Package p1 = mPackages.get(pkg1); 4409 final PackageParser.Package p2 = mPackages.get(pkg2); 4410 if (p1 == null || p1.mExtras == null 4411 || p2 == null || p2.mExtras == null) { 4412 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4413 } 4414 return compareSignatures(p1.mSignatures, p2.mSignatures); 4415 } 4416 } 4417 4418 @Override 4419 public int checkUidSignatures(int uid1, int uid2) { 4420 // Map to base uids. 4421 uid1 = UserHandle.getAppId(uid1); 4422 uid2 = UserHandle.getAppId(uid2); 4423 // reader 4424 synchronized (mPackages) { 4425 Signature[] s1; 4426 Signature[] s2; 4427 Object obj = mSettings.getUserIdLPr(uid1); 4428 if (obj != null) { 4429 if (obj instanceof SharedUserSetting) { 4430 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4431 } else if (obj instanceof PackageSetting) { 4432 s1 = ((PackageSetting)obj).signatures.mSignatures; 4433 } else { 4434 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4435 } 4436 } else { 4437 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4438 } 4439 obj = mSettings.getUserIdLPr(uid2); 4440 if (obj != null) { 4441 if (obj instanceof SharedUserSetting) { 4442 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4443 } else if (obj instanceof PackageSetting) { 4444 s2 = ((PackageSetting)obj).signatures.mSignatures; 4445 } else { 4446 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4447 } 4448 } else { 4449 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4450 } 4451 return compareSignatures(s1, s2); 4452 } 4453 } 4454 4455 /** 4456 * This method should typically only be used when granting or revoking 4457 * permissions, since the app may immediately restart after this call. 4458 * <p> 4459 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4460 * guard your work against the app being relaunched. 4461 */ 4462 private void killUid(int appId, int userId, String reason) { 4463 final long identity = Binder.clearCallingIdentity(); 4464 try { 4465 IActivityManager am = ActivityManagerNative.getDefault(); 4466 if (am != null) { 4467 try { 4468 am.killUid(appId, userId, reason); 4469 } catch (RemoteException e) { 4470 /* ignore - same process */ 4471 } 4472 } 4473 } finally { 4474 Binder.restoreCallingIdentity(identity); 4475 } 4476 } 4477 4478 /** 4479 * Compares two sets of signatures. Returns: 4480 * <br /> 4481 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4482 * <br /> 4483 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4484 * <br /> 4485 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4486 * <br /> 4487 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4488 * <br /> 4489 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4490 */ 4491 static int compareSignatures(Signature[] s1, Signature[] s2) { 4492 if (s1 == null) { 4493 return s2 == null 4494 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4495 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4496 } 4497 4498 if (s2 == null) { 4499 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4500 } 4501 4502 if (s1.length != s2.length) { 4503 return PackageManager.SIGNATURE_NO_MATCH; 4504 } 4505 4506 // Since both signature sets are of size 1, we can compare without HashSets. 4507 if (s1.length == 1) { 4508 return s1[0].equals(s2[0]) ? 4509 PackageManager.SIGNATURE_MATCH : 4510 PackageManager.SIGNATURE_NO_MATCH; 4511 } 4512 4513 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4514 for (Signature sig : s1) { 4515 set1.add(sig); 4516 } 4517 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4518 for (Signature sig : s2) { 4519 set2.add(sig); 4520 } 4521 // Make sure s2 contains all signatures in s1. 4522 if (set1.equals(set2)) { 4523 return PackageManager.SIGNATURE_MATCH; 4524 } 4525 return PackageManager.SIGNATURE_NO_MATCH; 4526 } 4527 4528 /** 4529 * If the database version for this type of package (internal storage or 4530 * external storage) is less than the version where package signatures 4531 * were updated, return true. 4532 */ 4533 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4534 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4535 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4536 } 4537 4538 /** 4539 * Used for backward compatibility to make sure any packages with 4540 * certificate chains get upgraded to the new style. {@code existingSigs} 4541 * will be in the old format (since they were stored on disk from before the 4542 * system upgrade) and {@code scannedSigs} will be in the newer format. 4543 */ 4544 private int compareSignaturesCompat(PackageSignatures existingSigs, 4545 PackageParser.Package scannedPkg) { 4546 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4547 return PackageManager.SIGNATURE_NO_MATCH; 4548 } 4549 4550 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4551 for (Signature sig : existingSigs.mSignatures) { 4552 existingSet.add(sig); 4553 } 4554 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4555 for (Signature sig : scannedPkg.mSignatures) { 4556 try { 4557 Signature[] chainSignatures = sig.getChainSignatures(); 4558 for (Signature chainSig : chainSignatures) { 4559 scannedCompatSet.add(chainSig); 4560 } 4561 } catch (CertificateEncodingException e) { 4562 scannedCompatSet.add(sig); 4563 } 4564 } 4565 /* 4566 * Make sure the expanded scanned set contains all signatures in the 4567 * existing one. 4568 */ 4569 if (scannedCompatSet.equals(existingSet)) { 4570 // Migrate the old signatures to the new scheme. 4571 existingSigs.assignSignatures(scannedPkg.mSignatures); 4572 // The new KeySets will be re-added later in the scanning process. 4573 synchronized (mPackages) { 4574 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4575 } 4576 return PackageManager.SIGNATURE_MATCH; 4577 } 4578 return PackageManager.SIGNATURE_NO_MATCH; 4579 } 4580 4581 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4582 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4583 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4584 } 4585 4586 private int compareSignaturesRecover(PackageSignatures existingSigs, 4587 PackageParser.Package scannedPkg) { 4588 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4589 return PackageManager.SIGNATURE_NO_MATCH; 4590 } 4591 4592 String msg = null; 4593 try { 4594 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4595 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4596 + scannedPkg.packageName); 4597 return PackageManager.SIGNATURE_MATCH; 4598 } 4599 } catch (CertificateException e) { 4600 msg = e.getMessage(); 4601 } 4602 4603 logCriticalInfo(Log.INFO, 4604 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4605 return PackageManager.SIGNATURE_NO_MATCH; 4606 } 4607 4608 @Override 4609 public List<String> getAllPackages() { 4610 synchronized (mPackages) { 4611 return new ArrayList<String>(mPackages.keySet()); 4612 } 4613 } 4614 4615 @Override 4616 public String[] getPackagesForUid(int uid) { 4617 uid = UserHandle.getAppId(uid); 4618 // reader 4619 synchronized (mPackages) { 4620 Object obj = mSettings.getUserIdLPr(uid); 4621 if (obj instanceof SharedUserSetting) { 4622 final SharedUserSetting sus = (SharedUserSetting) obj; 4623 final int N = sus.packages.size(); 4624 final String[] res = new String[N]; 4625 for (int i = 0; i < N; i++) { 4626 res[i] = sus.packages.valueAt(i).name; 4627 } 4628 return res; 4629 } else if (obj instanceof PackageSetting) { 4630 final PackageSetting ps = (PackageSetting) obj; 4631 return new String[] { ps.name }; 4632 } 4633 } 4634 return null; 4635 } 4636 4637 @Override 4638 public String getNameForUid(int uid) { 4639 // reader 4640 synchronized (mPackages) { 4641 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4642 if (obj instanceof SharedUserSetting) { 4643 final SharedUserSetting sus = (SharedUserSetting) obj; 4644 return sus.name + ":" + sus.userId; 4645 } else if (obj instanceof PackageSetting) { 4646 final PackageSetting ps = (PackageSetting) obj; 4647 return ps.name; 4648 } 4649 } 4650 return null; 4651 } 4652 4653 @Override 4654 public int getUidForSharedUser(String sharedUserName) { 4655 if(sharedUserName == null) { 4656 return -1; 4657 } 4658 // reader 4659 synchronized (mPackages) { 4660 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4661 if (suid == null) { 4662 return -1; 4663 } 4664 return suid.userId; 4665 } 4666 } 4667 4668 @Override 4669 public int getFlagsForUid(int uid) { 4670 synchronized (mPackages) { 4671 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4672 if (obj instanceof SharedUserSetting) { 4673 final SharedUserSetting sus = (SharedUserSetting) obj; 4674 return sus.pkgFlags; 4675 } else if (obj instanceof PackageSetting) { 4676 final PackageSetting ps = (PackageSetting) obj; 4677 return ps.pkgFlags; 4678 } 4679 } 4680 return 0; 4681 } 4682 4683 @Override 4684 public int getPrivateFlagsForUid(int uid) { 4685 synchronized (mPackages) { 4686 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4687 if (obj instanceof SharedUserSetting) { 4688 final SharedUserSetting sus = (SharedUserSetting) obj; 4689 return sus.pkgPrivateFlags; 4690 } else if (obj instanceof PackageSetting) { 4691 final PackageSetting ps = (PackageSetting) obj; 4692 return ps.pkgPrivateFlags; 4693 } 4694 } 4695 return 0; 4696 } 4697 4698 @Override 4699 public boolean isUidPrivileged(int uid) { 4700 uid = UserHandle.getAppId(uid); 4701 // reader 4702 synchronized (mPackages) { 4703 Object obj = mSettings.getUserIdLPr(uid); 4704 if (obj instanceof SharedUserSetting) { 4705 final SharedUserSetting sus = (SharedUserSetting) obj; 4706 final Iterator<PackageSetting> it = sus.packages.iterator(); 4707 while (it.hasNext()) { 4708 if (it.next().isPrivileged()) { 4709 return true; 4710 } 4711 } 4712 } else if (obj instanceof PackageSetting) { 4713 final PackageSetting ps = (PackageSetting) obj; 4714 return ps.isPrivileged(); 4715 } 4716 } 4717 return false; 4718 } 4719 4720 @Override 4721 public String[] getAppOpPermissionPackages(String permissionName) { 4722 synchronized (mPackages) { 4723 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4724 if (pkgs == null) { 4725 return null; 4726 } 4727 return pkgs.toArray(new String[pkgs.size()]); 4728 } 4729 } 4730 4731 @Override 4732 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4733 int flags, int userId) { 4734 try { 4735 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4736 4737 if (!sUserManager.exists(userId)) return null; 4738 flags = updateFlagsForResolve(flags, userId, intent); 4739 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4740 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4741 4742 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4743 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4744 flags, userId); 4745 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4746 4747 final ResolveInfo bestChoice = 4748 chooseBestActivity(intent, resolvedType, flags, query, userId); 4749 return bestChoice; 4750 } finally { 4751 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4752 } 4753 } 4754 4755 @Override 4756 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4757 IntentFilter filter, int match, ComponentName activity) { 4758 final int userId = UserHandle.getCallingUserId(); 4759 if (DEBUG_PREFERRED) { 4760 Log.v(TAG, "setLastChosenActivity intent=" + intent 4761 + " resolvedType=" + resolvedType 4762 + " flags=" + flags 4763 + " filter=" + filter 4764 + " match=" + match 4765 + " activity=" + activity); 4766 filter.dump(new PrintStreamPrinter(System.out), " "); 4767 } 4768 intent.setComponent(null); 4769 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4770 userId); 4771 // Find any earlier preferred or last chosen entries and nuke them 4772 findPreferredActivity(intent, resolvedType, 4773 flags, query, 0, false, true, false, userId); 4774 // Add the new activity as the last chosen for this filter 4775 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4776 "Setting last chosen"); 4777 } 4778 4779 @Override 4780 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4781 final int userId = UserHandle.getCallingUserId(); 4782 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4783 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4784 userId); 4785 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4786 false, false, false, userId); 4787 } 4788 4789 private boolean isEphemeralAllowed( 4790 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4791 boolean skipPackageCheck) { 4792 // Short circuit and return early if possible. 4793 if (DISABLE_EPHEMERAL_APPS) { 4794 return false; 4795 } 4796 final int callingUser = UserHandle.getCallingUserId(); 4797 if (callingUser != UserHandle.USER_SYSTEM) { 4798 return false; 4799 } 4800 if (mEphemeralResolverConnection == null) { 4801 return false; 4802 } 4803 if (intent.getComponent() != null) { 4804 return false; 4805 } 4806 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4807 return false; 4808 } 4809 if (!skipPackageCheck && intent.getPackage() != null) { 4810 return false; 4811 } 4812 final boolean isWebUri = hasWebURI(intent); 4813 if (!isWebUri || intent.getData().getHost() == null) { 4814 return false; 4815 } 4816 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4817 synchronized (mPackages) { 4818 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4819 for (int n = 0; n < count; n++) { 4820 ResolveInfo info = resolvedActivities.get(n); 4821 String packageName = info.activityInfo.packageName; 4822 PackageSetting ps = mSettings.mPackages.get(packageName); 4823 if (ps != null) { 4824 // Try to get the status from User settings first 4825 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4826 int status = (int) (packedStatus >> 32); 4827 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4828 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4829 if (DEBUG_EPHEMERAL) { 4830 Slog.v(TAG, "DENY ephemeral apps;" 4831 + " pkg: " + packageName + ", status: " + status); 4832 } 4833 return false; 4834 } 4835 } 4836 } 4837 } 4838 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4839 return true; 4840 } 4841 4842 private static EphemeralResolveInfo getEphemeralResolveInfo( 4843 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4844 String resolvedType, int userId, String packageName) { 4845 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4846 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4847 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4848 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4849 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4850 ephemeralPrefixCount); 4851 final int[] shaPrefix = digest.getDigestPrefix(); 4852 final byte[][] digestBytes = digest.getDigestBytes(); 4853 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4854 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4855 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4856 // No hash prefix match; there are no ephemeral apps for this domain. 4857 return null; 4858 } 4859 4860 // Go in reverse order so we match the narrowest scope first. 4861 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4862 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4863 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4864 continue; 4865 } 4866 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4867 // No filters; this should never happen. 4868 if (filters.isEmpty()) { 4869 continue; 4870 } 4871 if (packageName != null 4872 && !packageName.equals(ephemeralApplication.getPackageName())) { 4873 continue; 4874 } 4875 // We have a domain match; resolve the filters to see if anything matches. 4876 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4877 for (int j = filters.size() - 1; j >= 0; --j) { 4878 final EphemeralResolveIntentInfo intentInfo = 4879 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4880 ephemeralResolver.addFilter(intentInfo); 4881 } 4882 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4883 intent, resolvedType, false /*defaultOnly*/, userId); 4884 if (!matchedResolveInfoList.isEmpty()) { 4885 return matchedResolveInfoList.get(0); 4886 } 4887 } 4888 } 4889 // Hash or filter mis-match; no ephemeral apps for this domain. 4890 return null; 4891 } 4892 4893 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4894 int flags, List<ResolveInfo> query, int userId) { 4895 if (query != null) { 4896 final int N = query.size(); 4897 if (N == 1) { 4898 return query.get(0); 4899 } else if (N > 1) { 4900 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4901 // If there is more than one activity with the same priority, 4902 // then let the user decide between them. 4903 ResolveInfo r0 = query.get(0); 4904 ResolveInfo r1 = query.get(1); 4905 if (DEBUG_INTENT_MATCHING || debug) { 4906 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4907 + r1.activityInfo.name + "=" + r1.priority); 4908 } 4909 // If the first activity has a higher priority, or a different 4910 // default, then it is always desirable to pick it. 4911 if (r0.priority != r1.priority 4912 || r0.preferredOrder != r1.preferredOrder 4913 || r0.isDefault != r1.isDefault) { 4914 return query.get(0); 4915 } 4916 // If we have saved a preference for a preferred activity for 4917 // this Intent, use that. 4918 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4919 flags, query, r0.priority, true, false, debug, userId); 4920 if (ri != null) { 4921 return ri; 4922 } 4923 ri = new ResolveInfo(mResolveInfo); 4924 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4925 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4926 // If all of the options come from the same package, show the application's 4927 // label and icon instead of the generic resolver's. 4928 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4929 // and then throw away the ResolveInfo itself, meaning that the caller loses 4930 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4931 // a fallback for this case; we only set the target package's resources on 4932 // the ResolveInfo, not the ActivityInfo. 4933 final String intentPackage = intent.getPackage(); 4934 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4935 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4936 ri.resolvePackageName = intentPackage; 4937 if (userNeedsBadging(userId)) { 4938 ri.noResourceId = true; 4939 } else { 4940 ri.icon = appi.icon; 4941 } 4942 ri.iconResourceId = appi.icon; 4943 ri.labelRes = appi.labelRes; 4944 } 4945 ri.activityInfo.applicationInfo = new ApplicationInfo( 4946 ri.activityInfo.applicationInfo); 4947 if (userId != 0) { 4948 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4949 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4950 } 4951 // Make sure that the resolver is displayable in car mode 4952 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4953 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4954 return ri; 4955 } 4956 } 4957 return null; 4958 } 4959 4960 /** 4961 * Return true if the given list is not empty and all of its contents have 4962 * an activityInfo with the given package name. 4963 */ 4964 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4965 if (ArrayUtils.isEmpty(list)) { 4966 return false; 4967 } 4968 for (int i = 0, N = list.size(); i < N; i++) { 4969 final ResolveInfo ri = list.get(i); 4970 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4971 if (ai == null || !packageName.equals(ai.packageName)) { 4972 return false; 4973 } 4974 } 4975 return true; 4976 } 4977 4978 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4979 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4980 final int N = query.size(); 4981 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4982 .get(userId); 4983 // Get the list of persistent preferred activities that handle the intent 4984 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4985 List<PersistentPreferredActivity> pprefs = ppir != null 4986 ? ppir.queryIntent(intent, resolvedType, 4987 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4988 : null; 4989 if (pprefs != null && pprefs.size() > 0) { 4990 final int M = pprefs.size(); 4991 for (int i=0; i<M; i++) { 4992 final PersistentPreferredActivity ppa = pprefs.get(i); 4993 if (DEBUG_PREFERRED || debug) { 4994 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4995 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4996 + "\n component=" + ppa.mComponent); 4997 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4998 } 4999 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5000 flags | MATCH_DISABLED_COMPONENTS, userId); 5001 if (DEBUG_PREFERRED || debug) { 5002 Slog.v(TAG, "Found persistent preferred activity:"); 5003 if (ai != null) { 5004 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5005 } else { 5006 Slog.v(TAG, " null"); 5007 } 5008 } 5009 if (ai == null) { 5010 // This previously registered persistent preferred activity 5011 // component is no longer known. Ignore it and do NOT remove it. 5012 continue; 5013 } 5014 for (int j=0; j<N; j++) { 5015 final ResolveInfo ri = query.get(j); 5016 if (!ri.activityInfo.applicationInfo.packageName 5017 .equals(ai.applicationInfo.packageName)) { 5018 continue; 5019 } 5020 if (!ri.activityInfo.name.equals(ai.name)) { 5021 continue; 5022 } 5023 // Found a persistent preference that can handle the intent. 5024 if (DEBUG_PREFERRED || debug) { 5025 Slog.v(TAG, "Returning persistent preferred activity: " + 5026 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5027 } 5028 return ri; 5029 } 5030 } 5031 } 5032 return null; 5033 } 5034 5035 // TODO: handle preferred activities missing while user has amnesia 5036 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5037 List<ResolveInfo> query, int priority, boolean always, 5038 boolean removeMatches, boolean debug, int userId) { 5039 if (!sUserManager.exists(userId)) return null; 5040 flags = updateFlagsForResolve(flags, userId, intent); 5041 // writer 5042 synchronized (mPackages) { 5043 if (intent.getSelector() != null) { 5044 intent = intent.getSelector(); 5045 } 5046 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5047 5048 // Try to find a matching persistent preferred activity. 5049 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5050 debug, userId); 5051 5052 // If a persistent preferred activity matched, use it. 5053 if (pri != null) { 5054 return pri; 5055 } 5056 5057 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5058 // Get the list of preferred activities that handle the intent 5059 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5060 List<PreferredActivity> prefs = pir != null 5061 ? pir.queryIntent(intent, resolvedType, 5062 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5063 : null; 5064 if (prefs != null && prefs.size() > 0) { 5065 boolean changed = false; 5066 try { 5067 // First figure out how good the original match set is. 5068 // We will only allow preferred activities that came 5069 // from the same match quality. 5070 int match = 0; 5071 5072 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5073 5074 final int N = query.size(); 5075 for (int j=0; j<N; j++) { 5076 final ResolveInfo ri = query.get(j); 5077 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5078 + ": 0x" + Integer.toHexString(match)); 5079 if (ri.match > match) { 5080 match = ri.match; 5081 } 5082 } 5083 5084 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5085 + Integer.toHexString(match)); 5086 5087 match &= IntentFilter.MATCH_CATEGORY_MASK; 5088 final int M = prefs.size(); 5089 for (int i=0; i<M; i++) { 5090 final PreferredActivity pa = prefs.get(i); 5091 if (DEBUG_PREFERRED || debug) { 5092 Slog.v(TAG, "Checking PreferredActivity ds=" 5093 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5094 + "\n component=" + pa.mPref.mComponent); 5095 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5096 } 5097 if (pa.mPref.mMatch != match) { 5098 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5099 + Integer.toHexString(pa.mPref.mMatch)); 5100 continue; 5101 } 5102 // If it's not an "always" type preferred activity and that's what we're 5103 // looking for, skip it. 5104 if (always && !pa.mPref.mAlways) { 5105 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5106 continue; 5107 } 5108 final ActivityInfo ai = getActivityInfo( 5109 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5110 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5111 userId); 5112 if (DEBUG_PREFERRED || debug) { 5113 Slog.v(TAG, "Found 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 preferred activity 5122 // component is no longer known. Most likely an update 5123 // to the app was installed and in the new version this 5124 // component no longer exists. Clean it up by removing 5125 // it from the preferred activities list, and skip it. 5126 Slog.w(TAG, "Removing dangling preferred activity: " 5127 + pa.mPref.mComponent); 5128 pir.removeFilter(pa); 5129 changed = true; 5130 continue; 5131 } 5132 for (int j=0; j<N; j++) { 5133 final ResolveInfo ri = query.get(j); 5134 if (!ri.activityInfo.applicationInfo.packageName 5135 .equals(ai.applicationInfo.packageName)) { 5136 continue; 5137 } 5138 if (!ri.activityInfo.name.equals(ai.name)) { 5139 continue; 5140 } 5141 5142 if (removeMatches) { 5143 pir.removeFilter(pa); 5144 changed = true; 5145 if (DEBUG_PREFERRED) { 5146 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5147 } 5148 break; 5149 } 5150 5151 // Okay we found a previously set preferred or last chosen app. 5152 // If the result set is different from when this 5153 // was created, we need to clear it and re-ask the 5154 // user their preference, if we're looking for an "always" type entry. 5155 if (always && !pa.mPref.sameSet(query)) { 5156 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5157 + intent + " type " + resolvedType); 5158 if (DEBUG_PREFERRED) { 5159 Slog.v(TAG, "Removing preferred activity since set changed " 5160 + pa.mPref.mComponent); 5161 } 5162 pir.removeFilter(pa); 5163 // Re-add the filter as a "last chosen" entry (!always) 5164 PreferredActivity lastChosen = new PreferredActivity( 5165 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5166 pir.addFilter(lastChosen); 5167 changed = true; 5168 return null; 5169 } 5170 5171 // Yay! Either the set matched or we're looking for the last chosen 5172 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5173 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5174 return ri; 5175 } 5176 } 5177 } finally { 5178 if (changed) { 5179 if (DEBUG_PREFERRED) { 5180 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5181 } 5182 scheduleWritePackageRestrictionsLocked(userId); 5183 } 5184 } 5185 } 5186 } 5187 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5188 return null; 5189 } 5190 5191 /* 5192 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5193 */ 5194 @Override 5195 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5196 int targetUserId) { 5197 mContext.enforceCallingOrSelfPermission( 5198 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5199 List<CrossProfileIntentFilter> matches = 5200 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5201 if (matches != null) { 5202 int size = matches.size(); 5203 for (int i = 0; i < size; i++) { 5204 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5205 } 5206 } 5207 if (hasWebURI(intent)) { 5208 // cross-profile app linking works only towards the parent. 5209 final UserInfo parent = getProfileParent(sourceUserId); 5210 synchronized(mPackages) { 5211 int flags = updateFlagsForResolve(0, parent.id, intent); 5212 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5213 intent, resolvedType, flags, sourceUserId, parent.id); 5214 return xpDomainInfo != null; 5215 } 5216 } 5217 return false; 5218 } 5219 5220 private UserInfo getProfileParent(int userId) { 5221 final long identity = Binder.clearCallingIdentity(); 5222 try { 5223 return sUserManager.getProfileParent(userId); 5224 } finally { 5225 Binder.restoreCallingIdentity(identity); 5226 } 5227 } 5228 5229 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5230 String resolvedType, int userId) { 5231 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5232 if (resolver != null) { 5233 return resolver.queryIntent(intent, resolvedType, false, userId); 5234 } 5235 return null; 5236 } 5237 5238 @Override 5239 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5240 String resolvedType, int flags, int userId) { 5241 try { 5242 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5243 5244 return new ParceledListSlice<>( 5245 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5246 } finally { 5247 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5248 } 5249 } 5250 5251 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5252 String resolvedType, int flags, int userId) { 5253 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5254 flags = updateFlagsForResolve(flags, userId, intent); 5255 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5256 false /* requireFullPermission */, false /* checkShell */, 5257 "query intent activities"); 5258 ComponentName comp = intent.getComponent(); 5259 if (comp == null) { 5260 if (intent.getSelector() != null) { 5261 intent = intent.getSelector(); 5262 comp = intent.getComponent(); 5263 } 5264 } 5265 5266 if (comp != null) { 5267 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5268 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5269 if (ai != null) { 5270 final ResolveInfo ri = new ResolveInfo(); 5271 ri.activityInfo = ai; 5272 list.add(ri); 5273 } 5274 return list; 5275 } 5276 5277 // reader 5278 boolean sortResult = false; 5279 boolean addEphemeral = false; 5280 boolean matchEphemeralPackage = false; 5281 List<ResolveInfo> result; 5282 final String pkgName = intent.getPackage(); 5283 synchronized (mPackages) { 5284 if (pkgName == null) { 5285 List<CrossProfileIntentFilter> matchingFilters = 5286 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5287 // Check for results that need to skip the current profile. 5288 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5289 resolvedType, flags, userId); 5290 if (xpResolveInfo != null) { 5291 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5292 xpResult.add(xpResolveInfo); 5293 return filterIfNotSystemUser(xpResult, userId); 5294 } 5295 5296 // Check for results in the current profile. 5297 result = filterIfNotSystemUser(mActivities.queryIntent( 5298 intent, resolvedType, flags, userId), userId); 5299 addEphemeral = 5300 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5301 5302 // Check for cross profile results. 5303 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5304 xpResolveInfo = queryCrossProfileIntents( 5305 matchingFilters, intent, resolvedType, flags, userId, 5306 hasNonNegativePriorityResult); 5307 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5308 boolean isVisibleToUser = filterIfNotSystemUser( 5309 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5310 if (isVisibleToUser) { 5311 result.add(xpResolveInfo); 5312 sortResult = true; 5313 } 5314 } 5315 if (hasWebURI(intent)) { 5316 CrossProfileDomainInfo xpDomainInfo = null; 5317 final UserInfo parent = getProfileParent(userId); 5318 if (parent != null) { 5319 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5320 flags, userId, parent.id); 5321 } 5322 if (xpDomainInfo != null) { 5323 if (xpResolveInfo != null) { 5324 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5325 // in the result. 5326 result.remove(xpResolveInfo); 5327 } 5328 if (result.size() == 0 && !addEphemeral) { 5329 result.add(xpDomainInfo.resolveInfo); 5330 return result; 5331 } 5332 } 5333 if (result.size() > 1 || addEphemeral) { 5334 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5335 intent, flags, result, xpDomainInfo, userId); 5336 sortResult = true; 5337 } 5338 } 5339 } else { 5340 final PackageParser.Package pkg = mPackages.get(pkgName); 5341 if (pkg != null) { 5342 result = filterIfNotSystemUser( 5343 mActivities.queryIntentForPackage( 5344 intent, resolvedType, flags, pkg.activities, userId), 5345 userId); 5346 } else { 5347 // the caller wants to resolve for a particular package; however, there 5348 // were no installed results, so, try to find an ephemeral result 5349 addEphemeral = isEphemeralAllowed( 5350 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5351 matchEphemeralPackage = true; 5352 result = new ArrayList<ResolveInfo>(); 5353 } 5354 } 5355 } 5356 if (addEphemeral) { 5357 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5358 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5359 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5360 matchEphemeralPackage ? pkgName : null); 5361 if (ai != null) { 5362 if (DEBUG_EPHEMERAL) { 5363 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5364 } 5365 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5366 ephemeralInstaller.ephemeralResolveInfo = ai; 5367 // make sure this resolver is the default 5368 ephemeralInstaller.isDefault = true; 5369 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5370 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5371 // add a non-generic filter 5372 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5373 ephemeralInstaller.filter.addDataPath( 5374 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5375 result.add(ephemeralInstaller); 5376 } 5377 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5378 } 5379 if (sortResult) { 5380 Collections.sort(result, mResolvePrioritySorter); 5381 } 5382 return result; 5383 } 5384 5385 private static class CrossProfileDomainInfo { 5386 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5387 ResolveInfo resolveInfo; 5388 /* Best domain verification status of the activities found in the other profile */ 5389 int bestDomainVerificationStatus; 5390 } 5391 5392 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5393 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5394 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5395 sourceUserId)) { 5396 return null; 5397 } 5398 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5399 resolvedType, flags, parentUserId); 5400 5401 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5402 return null; 5403 } 5404 CrossProfileDomainInfo result = null; 5405 int size = resultTargetUser.size(); 5406 for (int i = 0; i < size; i++) { 5407 ResolveInfo riTargetUser = resultTargetUser.get(i); 5408 // Intent filter verification is only for filters that specify a host. So don't return 5409 // those that handle all web uris. 5410 if (riTargetUser.handleAllWebDataURI) { 5411 continue; 5412 } 5413 String packageName = riTargetUser.activityInfo.packageName; 5414 PackageSetting ps = mSettings.mPackages.get(packageName); 5415 if (ps == null) { 5416 continue; 5417 } 5418 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5419 int status = (int)(verificationState >> 32); 5420 if (result == null) { 5421 result = new CrossProfileDomainInfo(); 5422 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5423 sourceUserId, parentUserId); 5424 result.bestDomainVerificationStatus = status; 5425 } else { 5426 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5427 result.bestDomainVerificationStatus); 5428 } 5429 } 5430 // Don't consider matches with status NEVER across profiles. 5431 if (result != null && result.bestDomainVerificationStatus 5432 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5433 return null; 5434 } 5435 return result; 5436 } 5437 5438 /** 5439 * Verification statuses are ordered from the worse to the best, except for 5440 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5441 */ 5442 private int bestDomainVerificationStatus(int status1, int status2) { 5443 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5444 return status2; 5445 } 5446 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5447 return status1; 5448 } 5449 return (int) MathUtils.max(status1, status2); 5450 } 5451 5452 private boolean isUserEnabled(int userId) { 5453 long callingId = Binder.clearCallingIdentity(); 5454 try { 5455 UserInfo userInfo = sUserManager.getUserInfo(userId); 5456 return userInfo != null && userInfo.isEnabled(); 5457 } finally { 5458 Binder.restoreCallingIdentity(callingId); 5459 } 5460 } 5461 5462 /** 5463 * Filter out activities with systemUserOnly flag set, when current user is not System. 5464 * 5465 * @return filtered list 5466 */ 5467 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5468 if (userId == UserHandle.USER_SYSTEM) { 5469 return resolveInfos; 5470 } 5471 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5472 ResolveInfo info = resolveInfos.get(i); 5473 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5474 resolveInfos.remove(i); 5475 } 5476 } 5477 return resolveInfos; 5478 } 5479 5480 /** 5481 * @param resolveInfos list of resolve infos in descending priority order 5482 * @return if the list contains a resolve info with non-negative priority 5483 */ 5484 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5485 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5486 } 5487 5488 private static boolean hasWebURI(Intent intent) { 5489 if (intent.getData() == null) { 5490 return false; 5491 } 5492 final String scheme = intent.getScheme(); 5493 if (TextUtils.isEmpty(scheme)) { 5494 return false; 5495 } 5496 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5497 } 5498 5499 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5500 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5501 int userId) { 5502 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5503 5504 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5505 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5506 candidates.size()); 5507 } 5508 5509 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5510 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5511 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5512 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5513 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5514 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5515 5516 synchronized (mPackages) { 5517 final int count = candidates.size(); 5518 // First, try to use linked apps. Partition the candidates into four lists: 5519 // one for the final results, one for the "do not use ever", one for "undefined status" 5520 // and finally one for "browser app type". 5521 for (int n=0; n<count; n++) { 5522 ResolveInfo info = candidates.get(n); 5523 String packageName = info.activityInfo.packageName; 5524 PackageSetting ps = mSettings.mPackages.get(packageName); 5525 if (ps != null) { 5526 // Add to the special match all list (Browser use case) 5527 if (info.handleAllWebDataURI) { 5528 matchAllList.add(info); 5529 continue; 5530 } 5531 // Try to get the status from User settings first 5532 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5533 int status = (int)(packedStatus >> 32); 5534 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5535 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5536 if (DEBUG_DOMAIN_VERIFICATION) { 5537 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5538 + " : linkgen=" + linkGeneration); 5539 } 5540 // Use link-enabled generation as preferredOrder, i.e. 5541 // prefer newly-enabled over earlier-enabled. 5542 info.preferredOrder = linkGeneration; 5543 alwaysList.add(info); 5544 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5545 if (DEBUG_DOMAIN_VERIFICATION) { 5546 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5547 } 5548 neverList.add(info); 5549 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5550 if (DEBUG_DOMAIN_VERIFICATION) { 5551 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5552 } 5553 alwaysAskList.add(info); 5554 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5555 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5556 if (DEBUG_DOMAIN_VERIFICATION) { 5557 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5558 } 5559 undefinedList.add(info); 5560 } 5561 } 5562 } 5563 5564 // We'll want to include browser possibilities in a few cases 5565 boolean includeBrowser = false; 5566 5567 // First try to add the "always" resolution(s) for the current user, if any 5568 if (alwaysList.size() > 0) { 5569 result.addAll(alwaysList); 5570 } else { 5571 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5572 result.addAll(undefinedList); 5573 // Maybe add one for the other profile. 5574 if (xpDomainInfo != null && ( 5575 xpDomainInfo.bestDomainVerificationStatus 5576 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5577 result.add(xpDomainInfo.resolveInfo); 5578 } 5579 includeBrowser = true; 5580 } 5581 5582 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5583 // If there were 'always' entries their preferred order has been set, so we also 5584 // back that off to make the alternatives equivalent 5585 if (alwaysAskList.size() > 0) { 5586 for (ResolveInfo i : result) { 5587 i.preferredOrder = 0; 5588 } 5589 result.addAll(alwaysAskList); 5590 includeBrowser = true; 5591 } 5592 5593 if (includeBrowser) { 5594 // Also add browsers (all of them or only the default one) 5595 if (DEBUG_DOMAIN_VERIFICATION) { 5596 Slog.v(TAG, " ...including browsers in candidate set"); 5597 } 5598 if ((matchFlags & MATCH_ALL) != 0) { 5599 result.addAll(matchAllList); 5600 } else { 5601 // Browser/generic handling case. If there's a default browser, go straight 5602 // to that (but only if there is no other higher-priority match). 5603 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5604 int maxMatchPrio = 0; 5605 ResolveInfo defaultBrowserMatch = null; 5606 final int numCandidates = matchAllList.size(); 5607 for (int n = 0; n < numCandidates; n++) { 5608 ResolveInfo info = matchAllList.get(n); 5609 // track the highest overall match priority... 5610 if (info.priority > maxMatchPrio) { 5611 maxMatchPrio = info.priority; 5612 } 5613 // ...and the highest-priority default browser match 5614 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5615 if (defaultBrowserMatch == null 5616 || (defaultBrowserMatch.priority < info.priority)) { 5617 if (debug) { 5618 Slog.v(TAG, "Considering default browser match " + info); 5619 } 5620 defaultBrowserMatch = info; 5621 } 5622 } 5623 } 5624 if (defaultBrowserMatch != null 5625 && defaultBrowserMatch.priority >= maxMatchPrio 5626 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5627 { 5628 if (debug) { 5629 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5630 } 5631 result.add(defaultBrowserMatch); 5632 } else { 5633 result.addAll(matchAllList); 5634 } 5635 } 5636 5637 // If there is nothing selected, add all candidates and remove the ones that the user 5638 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5639 if (result.size() == 0) { 5640 result.addAll(candidates); 5641 result.removeAll(neverList); 5642 } 5643 } 5644 } 5645 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5646 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5647 result.size()); 5648 for (ResolveInfo info : result) { 5649 Slog.v(TAG, " + " + info.activityInfo); 5650 } 5651 } 5652 return result; 5653 } 5654 5655 // Returns a packed value as a long: 5656 // 5657 // high 'int'-sized word: link status: undefined/ask/never/always. 5658 // low 'int'-sized word: relative priority among 'always' results. 5659 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5660 long result = ps.getDomainVerificationStatusForUser(userId); 5661 // if none available, get the master status 5662 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5663 if (ps.getIntentFilterVerificationInfo() != null) { 5664 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5665 } 5666 } 5667 return result; 5668 } 5669 5670 private ResolveInfo querySkipCurrentProfileIntents( 5671 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5672 int flags, int sourceUserId) { 5673 if (matchingFilters != null) { 5674 int size = matchingFilters.size(); 5675 for (int i = 0; i < size; i ++) { 5676 CrossProfileIntentFilter filter = matchingFilters.get(i); 5677 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5678 // Checking if there are activities in the target user that can handle the 5679 // intent. 5680 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5681 resolvedType, flags, sourceUserId); 5682 if (resolveInfo != null) { 5683 return resolveInfo; 5684 } 5685 } 5686 } 5687 } 5688 return null; 5689 } 5690 5691 // Return matching ResolveInfo in target user if any. 5692 private ResolveInfo queryCrossProfileIntents( 5693 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5694 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5695 if (matchingFilters != null) { 5696 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5697 // match the same intent. For performance reasons, it is better not to 5698 // run queryIntent twice for the same userId 5699 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5700 int size = matchingFilters.size(); 5701 for (int i = 0; i < size; i++) { 5702 CrossProfileIntentFilter filter = matchingFilters.get(i); 5703 int targetUserId = filter.getTargetUserId(); 5704 boolean skipCurrentProfile = 5705 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5706 boolean skipCurrentProfileIfNoMatchFound = 5707 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5708 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5709 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5710 // Checking if there are activities in the target user that can handle the 5711 // intent. 5712 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5713 resolvedType, flags, sourceUserId); 5714 if (resolveInfo != null) return resolveInfo; 5715 alreadyTriedUserIds.put(targetUserId, true); 5716 } 5717 } 5718 } 5719 return null; 5720 } 5721 5722 /** 5723 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5724 * will forward the intent to the filter's target user. 5725 * Otherwise, returns null. 5726 */ 5727 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5728 String resolvedType, int flags, int sourceUserId) { 5729 int targetUserId = filter.getTargetUserId(); 5730 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5731 resolvedType, flags, targetUserId); 5732 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5733 // If all the matches in the target profile are suspended, return null. 5734 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5735 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5736 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5737 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5738 targetUserId); 5739 } 5740 } 5741 } 5742 return null; 5743 } 5744 5745 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5746 int sourceUserId, int targetUserId) { 5747 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5748 long ident = Binder.clearCallingIdentity(); 5749 boolean targetIsProfile; 5750 try { 5751 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5752 } finally { 5753 Binder.restoreCallingIdentity(ident); 5754 } 5755 String className; 5756 if (targetIsProfile) { 5757 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5758 } else { 5759 className = FORWARD_INTENT_TO_PARENT; 5760 } 5761 ComponentName forwardingActivityComponentName = new ComponentName( 5762 mAndroidApplication.packageName, className); 5763 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5764 sourceUserId); 5765 if (!targetIsProfile) { 5766 forwardingActivityInfo.showUserIcon = targetUserId; 5767 forwardingResolveInfo.noResourceId = true; 5768 } 5769 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5770 forwardingResolveInfo.priority = 0; 5771 forwardingResolveInfo.preferredOrder = 0; 5772 forwardingResolveInfo.match = 0; 5773 forwardingResolveInfo.isDefault = true; 5774 forwardingResolveInfo.filter = filter; 5775 forwardingResolveInfo.targetUserId = targetUserId; 5776 return forwardingResolveInfo; 5777 } 5778 5779 @Override 5780 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5781 Intent[] specifics, String[] specificTypes, Intent intent, 5782 String resolvedType, int flags, int userId) { 5783 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5784 specificTypes, intent, resolvedType, flags, userId)); 5785 } 5786 5787 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5788 Intent[] specifics, String[] specificTypes, Intent intent, 5789 String resolvedType, int flags, int userId) { 5790 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5791 flags = updateFlagsForResolve(flags, userId, intent); 5792 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5793 false /* requireFullPermission */, false /* checkShell */, 5794 "query intent activity options"); 5795 final String resultsAction = intent.getAction(); 5796 5797 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5798 | PackageManager.GET_RESOLVED_FILTER, userId); 5799 5800 if (DEBUG_INTENT_MATCHING) { 5801 Log.v(TAG, "Query " + intent + ": " + results); 5802 } 5803 5804 int specificsPos = 0; 5805 int N; 5806 5807 // todo: note that the algorithm used here is O(N^2). This 5808 // isn't a problem in our current environment, but if we start running 5809 // into situations where we have more than 5 or 10 matches then this 5810 // should probably be changed to something smarter... 5811 5812 // First we go through and resolve each of the specific items 5813 // that were supplied, taking care of removing any corresponding 5814 // duplicate items in the generic resolve list. 5815 if (specifics != null) { 5816 for (int i=0; i<specifics.length; i++) { 5817 final Intent sintent = specifics[i]; 5818 if (sintent == null) { 5819 continue; 5820 } 5821 5822 if (DEBUG_INTENT_MATCHING) { 5823 Log.v(TAG, "Specific #" + i + ": " + sintent); 5824 } 5825 5826 String action = sintent.getAction(); 5827 if (resultsAction != null && resultsAction.equals(action)) { 5828 // If this action was explicitly requested, then don't 5829 // remove things that have it. 5830 action = null; 5831 } 5832 5833 ResolveInfo ri = null; 5834 ActivityInfo ai = null; 5835 5836 ComponentName comp = sintent.getComponent(); 5837 if (comp == null) { 5838 ri = resolveIntent( 5839 sintent, 5840 specificTypes != null ? specificTypes[i] : null, 5841 flags, userId); 5842 if (ri == null) { 5843 continue; 5844 } 5845 if (ri == mResolveInfo) { 5846 // ACK! Must do something better with this. 5847 } 5848 ai = ri.activityInfo; 5849 comp = new ComponentName(ai.applicationInfo.packageName, 5850 ai.name); 5851 } else { 5852 ai = getActivityInfo(comp, flags, userId); 5853 if (ai == null) { 5854 continue; 5855 } 5856 } 5857 5858 // Look for any generic query activities that are duplicates 5859 // of this specific one, and remove them from the results. 5860 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5861 N = results.size(); 5862 int j; 5863 for (j=specificsPos; j<N; j++) { 5864 ResolveInfo sri = results.get(j); 5865 if ((sri.activityInfo.name.equals(comp.getClassName()) 5866 && sri.activityInfo.applicationInfo.packageName.equals( 5867 comp.getPackageName())) 5868 || (action != null && sri.filter.matchAction(action))) { 5869 results.remove(j); 5870 if (DEBUG_INTENT_MATCHING) Log.v( 5871 TAG, "Removing duplicate item from " + j 5872 + " due to specific " + specificsPos); 5873 if (ri == null) { 5874 ri = sri; 5875 } 5876 j--; 5877 N--; 5878 } 5879 } 5880 5881 // Add this specific item to its proper place. 5882 if (ri == null) { 5883 ri = new ResolveInfo(); 5884 ri.activityInfo = ai; 5885 } 5886 results.add(specificsPos, ri); 5887 ri.specificIndex = i; 5888 specificsPos++; 5889 } 5890 } 5891 5892 // Now we go through the remaining generic results and remove any 5893 // duplicate actions that are found here. 5894 N = results.size(); 5895 for (int i=specificsPos; i<N-1; i++) { 5896 final ResolveInfo rii = results.get(i); 5897 if (rii.filter == null) { 5898 continue; 5899 } 5900 5901 // Iterate over all of the actions of this result's intent 5902 // filter... typically this should be just one. 5903 final Iterator<String> it = rii.filter.actionsIterator(); 5904 if (it == null) { 5905 continue; 5906 } 5907 while (it.hasNext()) { 5908 final String action = it.next(); 5909 if (resultsAction != null && resultsAction.equals(action)) { 5910 // If this action was explicitly requested, then don't 5911 // remove things that have it. 5912 continue; 5913 } 5914 for (int j=i+1; j<N; j++) { 5915 final ResolveInfo rij = results.get(j); 5916 if (rij.filter != null && rij.filter.hasAction(action)) { 5917 results.remove(j); 5918 if (DEBUG_INTENT_MATCHING) Log.v( 5919 TAG, "Removing duplicate item from " + j 5920 + " due to action " + action + " at " + i); 5921 j--; 5922 N--; 5923 } 5924 } 5925 } 5926 5927 // If the caller didn't request filter information, drop it now 5928 // so we don't have to marshall/unmarshall it. 5929 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5930 rii.filter = null; 5931 } 5932 } 5933 5934 // Filter out the caller activity if so requested. 5935 if (caller != null) { 5936 N = results.size(); 5937 for (int i=0; i<N; i++) { 5938 ActivityInfo ainfo = results.get(i).activityInfo; 5939 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5940 && caller.getClassName().equals(ainfo.name)) { 5941 results.remove(i); 5942 break; 5943 } 5944 } 5945 } 5946 5947 // If the caller didn't request filter information, 5948 // drop them now so we don't have to 5949 // marshall/unmarshall it. 5950 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5951 N = results.size(); 5952 for (int i=0; i<N; i++) { 5953 results.get(i).filter = null; 5954 } 5955 } 5956 5957 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5958 return results; 5959 } 5960 5961 @Override 5962 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5963 String resolvedType, int flags, int userId) { 5964 return new ParceledListSlice<>( 5965 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5966 } 5967 5968 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5969 String resolvedType, int flags, int userId) { 5970 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5971 flags = updateFlagsForResolve(flags, userId, intent); 5972 ComponentName comp = intent.getComponent(); 5973 if (comp == null) { 5974 if (intent.getSelector() != null) { 5975 intent = intent.getSelector(); 5976 comp = intent.getComponent(); 5977 } 5978 } 5979 if (comp != null) { 5980 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5981 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5982 if (ai != null) { 5983 ResolveInfo ri = new ResolveInfo(); 5984 ri.activityInfo = ai; 5985 list.add(ri); 5986 } 5987 return list; 5988 } 5989 5990 // reader 5991 synchronized (mPackages) { 5992 String pkgName = intent.getPackage(); 5993 if (pkgName == null) { 5994 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5995 } 5996 final PackageParser.Package pkg = mPackages.get(pkgName); 5997 if (pkg != null) { 5998 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5999 userId); 6000 } 6001 return Collections.emptyList(); 6002 } 6003 } 6004 6005 @Override 6006 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6007 if (!sUserManager.exists(userId)) return null; 6008 flags = updateFlagsForResolve(flags, userId, intent); 6009 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6010 if (query != null) { 6011 if (query.size() >= 1) { 6012 // If there is more than one service with the same priority, 6013 // just arbitrarily pick the first one. 6014 return query.get(0); 6015 } 6016 } 6017 return null; 6018 } 6019 6020 @Override 6021 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6022 String resolvedType, int flags, int userId) { 6023 return new ParceledListSlice<>( 6024 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6025 } 6026 6027 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6028 String resolvedType, int flags, int userId) { 6029 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6030 flags = updateFlagsForResolve(flags, userId, intent); 6031 ComponentName comp = intent.getComponent(); 6032 if (comp == null) { 6033 if (intent.getSelector() != null) { 6034 intent = intent.getSelector(); 6035 comp = intent.getComponent(); 6036 } 6037 } 6038 if (comp != null) { 6039 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6040 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6041 if (si != null) { 6042 final ResolveInfo ri = new ResolveInfo(); 6043 ri.serviceInfo = si; 6044 list.add(ri); 6045 } 6046 return list; 6047 } 6048 6049 // reader 6050 synchronized (mPackages) { 6051 String pkgName = intent.getPackage(); 6052 if (pkgName == null) { 6053 return mServices.queryIntent(intent, resolvedType, flags, userId); 6054 } 6055 final PackageParser.Package pkg = mPackages.get(pkgName); 6056 if (pkg != null) { 6057 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6058 userId); 6059 } 6060 return Collections.emptyList(); 6061 } 6062 } 6063 6064 @Override 6065 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6066 String resolvedType, int flags, int userId) { 6067 return new ParceledListSlice<>( 6068 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6069 } 6070 6071 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6072 Intent intent, String resolvedType, int flags, int userId) { 6073 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6074 flags = updateFlagsForResolve(flags, userId, intent); 6075 ComponentName comp = intent.getComponent(); 6076 if (comp == null) { 6077 if (intent.getSelector() != null) { 6078 intent = intent.getSelector(); 6079 comp = intent.getComponent(); 6080 } 6081 } 6082 if (comp != null) { 6083 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6084 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6085 if (pi != null) { 6086 final ResolveInfo ri = new ResolveInfo(); 6087 ri.providerInfo = pi; 6088 list.add(ri); 6089 } 6090 return list; 6091 } 6092 6093 // reader 6094 synchronized (mPackages) { 6095 String pkgName = intent.getPackage(); 6096 if (pkgName == null) { 6097 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6098 } 6099 final PackageParser.Package pkg = mPackages.get(pkgName); 6100 if (pkg != null) { 6101 return mProviders.queryIntentForPackage( 6102 intent, resolvedType, flags, pkg.providers, userId); 6103 } 6104 return Collections.emptyList(); 6105 } 6106 } 6107 6108 @Override 6109 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6110 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6111 flags = updateFlagsForPackage(flags, userId, null); 6112 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6113 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6114 true /* requireFullPermission */, false /* checkShell */, 6115 "get installed packages"); 6116 6117 // writer 6118 synchronized (mPackages) { 6119 ArrayList<PackageInfo> list; 6120 if (listUninstalled) { 6121 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6122 for (PackageSetting ps : mSettings.mPackages.values()) { 6123 final PackageInfo pi; 6124 if (ps.pkg != null) { 6125 pi = generatePackageInfo(ps, flags, userId); 6126 } else { 6127 pi = generatePackageInfo(ps, flags, userId); 6128 } 6129 if (pi != null) { 6130 list.add(pi); 6131 } 6132 } 6133 } else { 6134 list = new ArrayList<PackageInfo>(mPackages.size()); 6135 for (PackageParser.Package p : mPackages.values()) { 6136 final PackageInfo pi = 6137 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6138 if (pi != null) { 6139 list.add(pi); 6140 } 6141 } 6142 } 6143 6144 return new ParceledListSlice<PackageInfo>(list); 6145 } 6146 } 6147 6148 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6149 String[] permissions, boolean[] tmp, int flags, int userId) { 6150 int numMatch = 0; 6151 final PermissionsState permissionsState = ps.getPermissionsState(); 6152 for (int i=0; i<permissions.length; i++) { 6153 final String permission = permissions[i]; 6154 if (permissionsState.hasPermission(permission, userId)) { 6155 tmp[i] = true; 6156 numMatch++; 6157 } else { 6158 tmp[i] = false; 6159 } 6160 } 6161 if (numMatch == 0) { 6162 return; 6163 } 6164 final PackageInfo pi; 6165 if (ps.pkg != null) { 6166 pi = generatePackageInfo(ps, flags, userId); 6167 } else { 6168 pi = generatePackageInfo(ps, flags, userId); 6169 } 6170 // The above might return null in cases of uninstalled apps or install-state 6171 // skew across users/profiles. 6172 if (pi != null) { 6173 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6174 if (numMatch == permissions.length) { 6175 pi.requestedPermissions = permissions; 6176 } else { 6177 pi.requestedPermissions = new String[numMatch]; 6178 numMatch = 0; 6179 for (int i=0; i<permissions.length; i++) { 6180 if (tmp[i]) { 6181 pi.requestedPermissions[numMatch] = permissions[i]; 6182 numMatch++; 6183 } 6184 } 6185 } 6186 } 6187 list.add(pi); 6188 } 6189 } 6190 6191 @Override 6192 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6193 String[] permissions, int flags, int userId) { 6194 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6195 flags = updateFlagsForPackage(flags, userId, permissions); 6196 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6197 6198 // writer 6199 synchronized (mPackages) { 6200 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6201 boolean[] tmpBools = new boolean[permissions.length]; 6202 if (listUninstalled) { 6203 for (PackageSetting ps : mSettings.mPackages.values()) { 6204 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6205 } 6206 } else { 6207 for (PackageParser.Package pkg : mPackages.values()) { 6208 PackageSetting ps = (PackageSetting)pkg.mExtras; 6209 if (ps != null) { 6210 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6211 userId); 6212 } 6213 } 6214 } 6215 6216 return new ParceledListSlice<PackageInfo>(list); 6217 } 6218 } 6219 6220 @Override 6221 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6222 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6223 flags = updateFlagsForApplication(flags, userId, null); 6224 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6225 6226 // writer 6227 synchronized (mPackages) { 6228 ArrayList<ApplicationInfo> list; 6229 if (listUninstalled) { 6230 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6231 for (PackageSetting ps : mSettings.mPackages.values()) { 6232 ApplicationInfo ai; 6233 if (ps.pkg != null) { 6234 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6235 ps.readUserState(userId), userId); 6236 } else { 6237 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6238 } 6239 if (ai != null) { 6240 list.add(ai); 6241 } 6242 } 6243 } else { 6244 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6245 for (PackageParser.Package p : mPackages.values()) { 6246 if (p.mExtras != null) { 6247 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6248 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6249 if (ai != null) { 6250 list.add(ai); 6251 } 6252 } 6253 } 6254 } 6255 6256 return new ParceledListSlice<ApplicationInfo>(list); 6257 } 6258 } 6259 6260 @Override 6261 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6262 if (DISABLE_EPHEMERAL_APPS) { 6263 return null; 6264 } 6265 6266 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6267 "getEphemeralApplications"); 6268 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6269 true /* requireFullPermission */, false /* checkShell */, 6270 "getEphemeralApplications"); 6271 synchronized (mPackages) { 6272 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6273 .getEphemeralApplicationsLPw(userId); 6274 if (ephemeralApps != null) { 6275 return new ParceledListSlice<>(ephemeralApps); 6276 } 6277 } 6278 return null; 6279 } 6280 6281 @Override 6282 public boolean isEphemeralApplication(String packageName, int userId) { 6283 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6284 true /* requireFullPermission */, false /* checkShell */, 6285 "isEphemeral"); 6286 if (DISABLE_EPHEMERAL_APPS) { 6287 return false; 6288 } 6289 6290 if (!isCallerSameApp(packageName)) { 6291 return false; 6292 } 6293 synchronized (mPackages) { 6294 PackageParser.Package pkg = mPackages.get(packageName); 6295 if (pkg != null) { 6296 return pkg.applicationInfo.isEphemeralApp(); 6297 } 6298 } 6299 return false; 6300 } 6301 6302 @Override 6303 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6304 if (DISABLE_EPHEMERAL_APPS) { 6305 return null; 6306 } 6307 6308 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6309 true /* requireFullPermission */, false /* checkShell */, 6310 "getCookie"); 6311 if (!isCallerSameApp(packageName)) { 6312 return null; 6313 } 6314 synchronized (mPackages) { 6315 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6316 packageName, userId); 6317 } 6318 } 6319 6320 @Override 6321 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6322 if (DISABLE_EPHEMERAL_APPS) { 6323 return true; 6324 } 6325 6326 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6327 true /* requireFullPermission */, true /* checkShell */, 6328 "setCookie"); 6329 if (!isCallerSameApp(packageName)) { 6330 return false; 6331 } 6332 synchronized (mPackages) { 6333 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6334 packageName, cookie, userId); 6335 } 6336 } 6337 6338 @Override 6339 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6340 if (DISABLE_EPHEMERAL_APPS) { 6341 return null; 6342 } 6343 6344 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6345 "getEphemeralApplicationIcon"); 6346 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6347 true /* requireFullPermission */, false /* checkShell */, 6348 "getEphemeralApplicationIcon"); 6349 synchronized (mPackages) { 6350 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6351 packageName, userId); 6352 } 6353 } 6354 6355 private boolean isCallerSameApp(String packageName) { 6356 PackageParser.Package pkg = mPackages.get(packageName); 6357 return pkg != null 6358 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6359 } 6360 6361 @Override 6362 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6363 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6364 } 6365 6366 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6367 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6368 6369 // reader 6370 synchronized (mPackages) { 6371 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6372 final int userId = UserHandle.getCallingUserId(); 6373 while (i.hasNext()) { 6374 final PackageParser.Package p = i.next(); 6375 if (p.applicationInfo == null) continue; 6376 6377 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6378 && !p.applicationInfo.isDirectBootAware(); 6379 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6380 && p.applicationInfo.isDirectBootAware(); 6381 6382 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6383 && (!mSafeMode || isSystemApp(p)) 6384 && (matchesUnaware || matchesAware)) { 6385 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6386 if (ps != null) { 6387 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6388 ps.readUserState(userId), userId); 6389 if (ai != null) { 6390 finalList.add(ai); 6391 } 6392 } 6393 } 6394 } 6395 } 6396 6397 return finalList; 6398 } 6399 6400 @Override 6401 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6402 if (!sUserManager.exists(userId)) return null; 6403 flags = updateFlagsForComponent(flags, userId, name); 6404 // reader 6405 synchronized (mPackages) { 6406 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6407 PackageSetting ps = provider != null 6408 ? mSettings.mPackages.get(provider.owner.packageName) 6409 : null; 6410 return ps != null 6411 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6412 ? PackageParser.generateProviderInfo(provider, flags, 6413 ps.readUserState(userId), userId) 6414 : null; 6415 } 6416 } 6417 6418 /** 6419 * @deprecated 6420 */ 6421 @Deprecated 6422 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6423 // reader 6424 synchronized (mPackages) { 6425 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6426 .entrySet().iterator(); 6427 final int userId = UserHandle.getCallingUserId(); 6428 while (i.hasNext()) { 6429 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6430 PackageParser.Provider p = entry.getValue(); 6431 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6432 6433 if (ps != null && p.syncable 6434 && (!mSafeMode || (p.info.applicationInfo.flags 6435 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6436 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6437 ps.readUserState(userId), userId); 6438 if (info != null) { 6439 outNames.add(entry.getKey()); 6440 outInfo.add(info); 6441 } 6442 } 6443 } 6444 } 6445 } 6446 6447 @Override 6448 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6449 int uid, int flags) { 6450 final int userId = processName != null ? UserHandle.getUserId(uid) 6451 : UserHandle.getCallingUserId(); 6452 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6453 flags = updateFlagsForComponent(flags, userId, processName); 6454 6455 ArrayList<ProviderInfo> finalList = null; 6456 // reader 6457 synchronized (mPackages) { 6458 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6459 while (i.hasNext()) { 6460 final PackageParser.Provider p = i.next(); 6461 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6462 if (ps != null && p.info.authority != null 6463 && (processName == null 6464 || (p.info.processName.equals(processName) 6465 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6466 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6467 if (finalList == null) { 6468 finalList = new ArrayList<ProviderInfo>(3); 6469 } 6470 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6471 ps.readUserState(userId), userId); 6472 if (info != null) { 6473 finalList.add(info); 6474 } 6475 } 6476 } 6477 } 6478 6479 if (finalList != null) { 6480 Collections.sort(finalList, mProviderInitOrderSorter); 6481 return new ParceledListSlice<ProviderInfo>(finalList); 6482 } 6483 6484 return ParceledListSlice.emptyList(); 6485 } 6486 6487 @Override 6488 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6489 // reader 6490 synchronized (mPackages) { 6491 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6492 return PackageParser.generateInstrumentationInfo(i, flags); 6493 } 6494 } 6495 6496 @Override 6497 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6498 String targetPackage, int flags) { 6499 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6500 } 6501 6502 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6503 int flags) { 6504 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6505 6506 // reader 6507 synchronized (mPackages) { 6508 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6509 while (i.hasNext()) { 6510 final PackageParser.Instrumentation p = i.next(); 6511 if (targetPackage == null 6512 || targetPackage.equals(p.info.targetPackage)) { 6513 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6514 flags); 6515 if (ii != null) { 6516 finalList.add(ii); 6517 } 6518 } 6519 } 6520 } 6521 6522 return finalList; 6523 } 6524 6525 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6526 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6527 if (overlays == null) { 6528 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6529 return; 6530 } 6531 for (PackageParser.Package opkg : overlays.values()) { 6532 // Not much to do if idmap fails: we already logged the error 6533 // and we certainly don't want to abort installation of pkg simply 6534 // because an overlay didn't fit properly. For these reasons, 6535 // ignore the return value of createIdmapForPackagePairLI. 6536 createIdmapForPackagePairLI(pkg, opkg); 6537 } 6538 } 6539 6540 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6541 PackageParser.Package opkg) { 6542 if (!opkg.mTrustedOverlay) { 6543 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6544 opkg.baseCodePath + ": overlay not trusted"); 6545 return false; 6546 } 6547 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6548 if (overlaySet == null) { 6549 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6550 opkg.baseCodePath + " but target package has no known overlays"); 6551 return false; 6552 } 6553 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6554 // TODO: generate idmap for split APKs 6555 try { 6556 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6557 } catch (InstallerException e) { 6558 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6559 + opkg.baseCodePath); 6560 return false; 6561 } 6562 PackageParser.Package[] overlayArray = 6563 overlaySet.values().toArray(new PackageParser.Package[0]); 6564 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6565 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6566 return p1.mOverlayPriority - p2.mOverlayPriority; 6567 } 6568 }; 6569 Arrays.sort(overlayArray, cmp); 6570 6571 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6572 int i = 0; 6573 for (PackageParser.Package p : overlayArray) { 6574 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6575 } 6576 return true; 6577 } 6578 6579 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6580 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 6581 try { 6582 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6583 } finally { 6584 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6585 } 6586 } 6587 6588 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6589 final File[] files = dir.listFiles(); 6590 if (ArrayUtils.isEmpty(files)) { 6591 Log.d(TAG, "No files in app dir " + dir); 6592 return; 6593 } 6594 6595 if (DEBUG_PACKAGE_SCANNING) { 6596 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6597 + " flags=0x" + Integer.toHexString(parseFlags)); 6598 } 6599 6600 for (File file : files) { 6601 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6602 && !PackageInstallerService.isStageName(file.getName()); 6603 if (!isPackage) { 6604 // Ignore entries which are not packages 6605 continue; 6606 } 6607 try { 6608 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6609 scanFlags, currentTime, null); 6610 } catch (PackageManagerException e) { 6611 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6612 6613 // Delete invalid userdata apps 6614 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6615 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6616 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6617 removeCodePathLI(file); 6618 } 6619 } 6620 } 6621 } 6622 6623 private static File getSettingsProblemFile() { 6624 File dataDir = Environment.getDataDirectory(); 6625 File systemDir = new File(dataDir, "system"); 6626 File fname = new File(systemDir, "uiderrors.txt"); 6627 return fname; 6628 } 6629 6630 static void reportSettingsProblem(int priority, String msg) { 6631 logCriticalInfo(priority, msg); 6632 } 6633 6634 static void logCriticalInfo(int priority, String msg) { 6635 Slog.println(priority, TAG, msg); 6636 EventLogTags.writePmCriticalInfo(msg); 6637 try { 6638 File fname = getSettingsProblemFile(); 6639 FileOutputStream out = new FileOutputStream(fname, true); 6640 PrintWriter pw = new FastPrintWriter(out); 6641 SimpleDateFormat formatter = new SimpleDateFormat(); 6642 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6643 pw.println(dateString + ": " + msg); 6644 pw.close(); 6645 FileUtils.setPermissions( 6646 fname.toString(), 6647 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6648 -1, -1); 6649 } catch (java.io.IOException e) { 6650 } 6651 } 6652 6653 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6654 if (srcFile.isDirectory()) { 6655 final File baseFile = new File(pkg.baseCodePath); 6656 long maxModifiedTime = baseFile.lastModified(); 6657 if (pkg.splitCodePaths != null) { 6658 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6659 final File splitFile = new File(pkg.splitCodePaths[i]); 6660 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6661 } 6662 } 6663 return maxModifiedTime; 6664 } 6665 return srcFile.lastModified(); 6666 } 6667 6668 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6669 final int policyFlags) throws PackageManagerException { 6670 if (ps != null 6671 && ps.codePath.equals(srcFile) 6672 && ps.timeStamp == getLastModifiedTime(pkg, srcFile) 6673 && !isCompatSignatureUpdateNeeded(pkg) 6674 && !isRecoverSignatureUpdateNeeded(pkg)) { 6675 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6676 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6677 ArraySet<PublicKey> signingKs; 6678 synchronized (mPackages) { 6679 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6680 } 6681 if (ps.signatures.mSignatures != null 6682 && ps.signatures.mSignatures.length != 0 6683 && signingKs != null) { 6684 // Optimization: reuse the existing cached certificates 6685 // if the package appears to be unchanged. 6686 pkg.mSignatures = ps.signatures.mSignatures; 6687 pkg.mSigningKeys = signingKs; 6688 return; 6689 } 6690 6691 Slog.w(TAG, "PackageSetting for " + ps.name 6692 + " is missing signatures. Collecting certs again to recover them."); 6693 } else { 6694 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6695 } 6696 6697 try { 6698 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 6699 PackageParser.collectCertificates(pkg, policyFlags); 6700 } catch (PackageParserException e) { 6701 throw PackageManagerException.from(e); 6702 } finally { 6703 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6704 } 6705 } 6706 6707 /** 6708 * Traces a package scan. 6709 * @see #scanPackageLI(File, int, int, long, UserHandle) 6710 */ 6711 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6712 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6713 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 6714 try { 6715 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6716 } finally { 6717 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6718 } 6719 } 6720 6721 /** 6722 * Scans a package and returns the newly parsed package. 6723 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6724 */ 6725 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6726 long currentTime, UserHandle user) throws PackageManagerException { 6727 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6728 PackageParser pp = new PackageParser(); 6729 pp.setSeparateProcesses(mSeparateProcesses); 6730 pp.setOnlyCoreApps(mOnlyCore); 6731 pp.setDisplayMetrics(mMetrics); 6732 6733 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6734 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6735 } 6736 6737 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6738 final PackageParser.Package pkg; 6739 try { 6740 pkg = pp.parsePackage(scanFile, parseFlags); 6741 } catch (PackageParserException e) { 6742 throw PackageManagerException.from(e); 6743 } finally { 6744 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6745 } 6746 6747 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6748 } 6749 6750 /** 6751 * Scans a package and returns the newly parsed package. 6752 * @throws PackageManagerException on a parse error. 6753 */ 6754 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6755 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6756 throws PackageManagerException { 6757 // If the package has children and this is the first dive in the function 6758 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6759 // packages (parent and children) would be successfully scanned before the 6760 // actual scan since scanning mutates internal state and we want to atomically 6761 // install the package and its children. 6762 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6763 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6764 scanFlags |= SCAN_CHECK_ONLY; 6765 } 6766 } else { 6767 scanFlags &= ~SCAN_CHECK_ONLY; 6768 } 6769 6770 // Scan the parent 6771 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6772 scanFlags, currentTime, user); 6773 6774 // Scan the children 6775 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6776 for (int i = 0; i < childCount; i++) { 6777 PackageParser.Package childPackage = pkg.childPackages.get(i); 6778 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6779 currentTime, user); 6780 } 6781 6782 6783 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6784 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6785 } 6786 6787 return scannedPkg; 6788 } 6789 6790 /** 6791 * Scans a package and returns the newly parsed package. 6792 * @throws PackageManagerException on a parse error. 6793 */ 6794 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6795 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6796 throws PackageManagerException { 6797 PackageSetting ps = null; 6798 PackageSetting updatedPkg; 6799 // reader 6800 synchronized (mPackages) { 6801 // Look to see if we already know about this package. 6802 String oldName = mSettings.getRenamedPackage(pkg.packageName); 6803 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6804 // This package has been renamed to its original name. Let's 6805 // use that. 6806 ps = mSettings.peekPackageLPr(oldName); 6807 } 6808 // If there was no original package, see one for the real package name. 6809 if (ps == null) { 6810 ps = mSettings.peekPackageLPr(pkg.packageName); 6811 } 6812 // Check to see if this package could be hiding/updating a system 6813 // package. Must look for it either under the original or real 6814 // package name depending on our state. 6815 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6816 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6817 6818 // If this is a package we don't know about on the system partition, we 6819 // may need to remove disabled child packages on the system partition 6820 // or may need to not add child packages if the parent apk is updated 6821 // on the data partition and no longer defines this child package. 6822 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6823 // If this is a parent package for an updated system app and this system 6824 // app got an OTA update which no longer defines some of the child packages 6825 // we have to prune them from the disabled system packages. 6826 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6827 if (disabledPs != null) { 6828 final int scannedChildCount = (pkg.childPackages != null) 6829 ? pkg.childPackages.size() : 0; 6830 final int disabledChildCount = disabledPs.childPackageNames != null 6831 ? disabledPs.childPackageNames.size() : 0; 6832 for (int i = 0; i < disabledChildCount; i++) { 6833 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6834 boolean disabledPackageAvailable = false; 6835 for (int j = 0; j < scannedChildCount; j++) { 6836 PackageParser.Package childPkg = pkg.childPackages.get(j); 6837 if (childPkg.packageName.equals(disabledChildPackageName)) { 6838 disabledPackageAvailable = true; 6839 break; 6840 } 6841 } 6842 if (!disabledPackageAvailable) { 6843 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6844 } 6845 } 6846 } 6847 } 6848 } 6849 6850 boolean updatedPkgBetter = false; 6851 // First check if this is a system package that may involve an update 6852 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6853 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6854 // it needs to drop FLAG_PRIVILEGED. 6855 if (locationIsPrivileged(scanFile)) { 6856 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6857 } else { 6858 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6859 } 6860 6861 if (ps != null && !ps.codePath.equals(scanFile)) { 6862 // The path has changed from what was last scanned... check the 6863 // version of the new path against what we have stored to determine 6864 // what to do. 6865 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6866 if (pkg.mVersionCode <= ps.versionCode) { 6867 // The system package has been updated and the code path does not match 6868 // Ignore entry. Skip it. 6869 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6870 + " ignored: updated version " + ps.versionCode 6871 + " better than this " + pkg.mVersionCode); 6872 if (!updatedPkg.codePath.equals(scanFile)) { 6873 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6874 + ps.name + " changing from " + updatedPkg.codePathString 6875 + " to " + scanFile); 6876 updatedPkg.codePath = scanFile; 6877 updatedPkg.codePathString = scanFile.toString(); 6878 updatedPkg.resourcePath = scanFile; 6879 updatedPkg.resourcePathString = scanFile.toString(); 6880 } 6881 updatedPkg.pkg = pkg; 6882 updatedPkg.versionCode = pkg.mVersionCode; 6883 6884 // Update the disabled system child packages to point to the package too. 6885 final int childCount = updatedPkg.childPackageNames != null 6886 ? updatedPkg.childPackageNames.size() : 0; 6887 for (int i = 0; i < childCount; i++) { 6888 String childPackageName = updatedPkg.childPackageNames.get(i); 6889 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6890 childPackageName); 6891 if (updatedChildPkg != null) { 6892 updatedChildPkg.pkg = pkg; 6893 updatedChildPkg.versionCode = pkg.mVersionCode; 6894 } 6895 } 6896 6897 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6898 + scanFile + " ignored: updated version " + ps.versionCode 6899 + " better than this " + pkg.mVersionCode); 6900 } else { 6901 // The current app on the system partition is better than 6902 // what we have updated to on the data partition; switch 6903 // back to the system partition version. 6904 // At this point, its safely assumed that package installation for 6905 // apps in system partition will go through. If not there won't be a working 6906 // version of the app 6907 // writer 6908 synchronized (mPackages) { 6909 // Just remove the loaded entries from package lists. 6910 mPackages.remove(ps.name); 6911 } 6912 6913 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6914 + " reverting from " + ps.codePathString 6915 + ": new version " + pkg.mVersionCode 6916 + " better than installed " + ps.versionCode); 6917 6918 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6919 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6920 synchronized (mInstallLock) { 6921 args.cleanUpResourcesLI(); 6922 } 6923 synchronized (mPackages) { 6924 mSettings.enableSystemPackageLPw(ps.name); 6925 } 6926 updatedPkgBetter = true; 6927 } 6928 } 6929 } 6930 6931 if (updatedPkg != null) { 6932 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6933 // initially 6934 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6935 6936 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6937 // flag set initially 6938 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6939 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6940 } 6941 } 6942 6943 // Verify certificates against what was last scanned 6944 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6945 6946 /* 6947 * A new system app appeared, but we already had a non-system one of the 6948 * same name installed earlier. 6949 */ 6950 boolean shouldHideSystemApp = false; 6951 if (updatedPkg == null && ps != null 6952 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6953 /* 6954 * Check to make sure the signatures match first. If they don't, 6955 * wipe the installed application and its data. 6956 */ 6957 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6958 != PackageManager.SIGNATURE_MATCH) { 6959 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6960 + " signatures don't match existing userdata copy; removing"); 6961 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6962 "scanPackageInternalLI")) { 6963 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6964 } 6965 ps = null; 6966 } else { 6967 /* 6968 * If the newly-added system app is an older version than the 6969 * already installed version, hide it. It will be scanned later 6970 * and re-added like an update. 6971 */ 6972 if (pkg.mVersionCode <= ps.versionCode) { 6973 shouldHideSystemApp = true; 6974 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6975 + " but new version " + pkg.mVersionCode + " better than installed " 6976 + ps.versionCode + "; hiding system"); 6977 } else { 6978 /* 6979 * The newly found system app is a newer version that the 6980 * one previously installed. Simply remove the 6981 * already-installed application and replace it with our own 6982 * while keeping the application data. 6983 */ 6984 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6985 + " reverting from " + ps.codePathString + ": new version " 6986 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6987 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6988 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6989 synchronized (mInstallLock) { 6990 args.cleanUpResourcesLI(); 6991 } 6992 } 6993 } 6994 } 6995 6996 // The apk is forward locked (not public) if its code and resources 6997 // are kept in different files. (except for app in either system or 6998 // vendor path). 6999 // TODO grab this value from PackageSettings 7000 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7001 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7002 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7003 } 7004 } 7005 7006 // TODO: extend to support forward-locked splits 7007 String resourcePath = null; 7008 String baseResourcePath = null; 7009 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7010 if (ps != null && ps.resourcePathString != null) { 7011 resourcePath = ps.resourcePathString; 7012 baseResourcePath = ps.resourcePathString; 7013 } else { 7014 // Should not happen at all. Just log an error. 7015 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7016 } 7017 } else { 7018 resourcePath = pkg.codePath; 7019 baseResourcePath = pkg.baseCodePath; 7020 } 7021 7022 // Set application objects path explicitly. 7023 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7024 pkg.setApplicationInfoCodePath(pkg.codePath); 7025 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7026 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7027 pkg.setApplicationInfoResourcePath(resourcePath); 7028 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7029 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7030 7031 // Note that we invoke the following method only if we are about to unpack an application 7032 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7033 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7034 7035 /* 7036 * If the system app should be overridden by a previously installed 7037 * data, hide the system app now and let the /data/app scan pick it up 7038 * again. 7039 */ 7040 if (shouldHideSystemApp) { 7041 synchronized (mPackages) { 7042 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7043 } 7044 } 7045 7046 return scannedPkg; 7047 } 7048 7049 private static String fixProcessName(String defProcessName, 7050 String processName, int uid) { 7051 if (processName == null) { 7052 return defProcessName; 7053 } 7054 return processName; 7055 } 7056 7057 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7058 throws PackageManagerException { 7059 if (pkgSetting.signatures.mSignatures != null) { 7060 // Already existing package. Make sure signatures match 7061 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7062 == PackageManager.SIGNATURE_MATCH; 7063 if (!match) { 7064 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7065 == PackageManager.SIGNATURE_MATCH; 7066 } 7067 if (!match) { 7068 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7069 == PackageManager.SIGNATURE_MATCH; 7070 } 7071 if (!match) { 7072 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7073 + pkg.packageName + " signatures do not match the " 7074 + "previously installed version; ignoring!"); 7075 } 7076 } 7077 7078 // Check for shared user signatures 7079 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7080 // Already existing package. Make sure signatures match 7081 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7082 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7083 if (!match) { 7084 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7085 == PackageManager.SIGNATURE_MATCH; 7086 } 7087 if (!match) { 7088 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7089 == PackageManager.SIGNATURE_MATCH; 7090 } 7091 if (!match) { 7092 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7093 "Package " + pkg.packageName 7094 + " has no signatures that match those in shared user " 7095 + pkgSetting.sharedUser.name + "; ignoring!"); 7096 } 7097 } 7098 } 7099 7100 /** 7101 * Enforces that only the system UID or root's UID can call a method exposed 7102 * via Binder. 7103 * 7104 * @param message used as message if SecurityException is thrown 7105 * @throws SecurityException if the caller is not system or root 7106 */ 7107 private static final void enforceSystemOrRoot(String message) { 7108 final int uid = Binder.getCallingUid(); 7109 if (uid != Process.SYSTEM_UID && uid != 0) { 7110 throw new SecurityException(message); 7111 } 7112 } 7113 7114 @Override 7115 public void performFstrimIfNeeded() { 7116 enforceSystemOrRoot("Only the system can request fstrim"); 7117 7118 // Before everything else, see whether we need to fstrim. 7119 try { 7120 IMountService ms = PackageHelper.getMountService(); 7121 if (ms != null) { 7122 boolean doTrim = false; 7123 final long interval = android.provider.Settings.Global.getLong( 7124 mContext.getContentResolver(), 7125 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7126 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7127 if (interval > 0) { 7128 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7129 if (timeSinceLast > interval) { 7130 doTrim = true; 7131 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7132 + "; running immediately"); 7133 } 7134 } 7135 if (doTrim) { 7136 if (!isFirstBoot()) { 7137 try { 7138 ActivityManagerNative.getDefault().showBootMessage( 7139 mContext.getResources().getString( 7140 R.string.android_upgrading_fstrim), true); 7141 } catch (RemoteException e) { 7142 } 7143 } 7144 ms.runMaintenance(); 7145 } 7146 } else { 7147 Slog.e(TAG, "Mount service unavailable!"); 7148 } 7149 } catch (RemoteException e) { 7150 // Can't happen; MountService is local 7151 } 7152 } 7153 7154 @Override 7155 public void updatePackagesIfNeeded() { 7156 enforceSystemOrRoot("Only the system can request package update"); 7157 7158 // We need to re-extract after an OTA. 7159 boolean causeUpgrade = isUpgrade(); 7160 7161 // First boot or factory reset. 7162 // Note: we also handle devices that are upgrading to N right now as if it is their 7163 // first boot, as they do not have profile data. 7164 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7165 7166 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7167 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7168 7169 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7170 return; 7171 } 7172 7173 List<PackageParser.Package> pkgs; 7174 synchronized (mPackages) { 7175 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7176 } 7177 7178 final long startTime = System.nanoTime(); 7179 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7180 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7181 7182 final int elapsedTimeSeconds = 7183 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7184 7185 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7186 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7187 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7188 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7189 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7190 } 7191 7192 /** 7193 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7194 * containing statistics about the invocation. The array consists of three elements, 7195 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7196 * and {@code numberOfPackagesFailed}. 7197 */ 7198 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7199 String compilerFilter) { 7200 7201 int numberOfPackagesVisited = 0; 7202 int numberOfPackagesOptimized = 0; 7203 int numberOfPackagesSkipped = 0; 7204 int numberOfPackagesFailed = 0; 7205 final int numberOfPackagesToDexopt = pkgs.size(); 7206 7207 for (PackageParser.Package pkg : pkgs) { 7208 numberOfPackagesVisited++; 7209 7210 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7211 if (DEBUG_DEXOPT) { 7212 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7213 } 7214 numberOfPackagesSkipped++; 7215 continue; 7216 } 7217 7218 if (DEBUG_DEXOPT) { 7219 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7220 numberOfPackagesToDexopt + ": " + pkg.packageName); 7221 } 7222 7223 if (showDialog) { 7224 try { 7225 ActivityManagerNative.getDefault().showBootMessage( 7226 mContext.getResources().getString(R.string.android_upgrading_apk, 7227 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7228 } catch (RemoteException e) { 7229 } 7230 } 7231 7232 // If the OTA updates a system app which was previously preopted to a non-preopted state 7233 // the app might end up being verified at runtime. That's because by default the apps 7234 // are verify-profile but for preopted apps there's no profile. 7235 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7236 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7237 // filter (by default interpret-only). 7238 // Note that at this stage unused apps are already filtered. 7239 if (isSystemApp(pkg) && 7240 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7241 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7242 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7243 } 7244 7245 // checkProfiles is false to avoid merging profiles during boot which 7246 // might interfere with background compilation (b/28612421). 7247 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7248 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7249 // trade-off worth doing to save boot time work. 7250 int dexOptStatus = performDexOptTraced(pkg.packageName, 7251 false /* checkProfiles */, 7252 compilerFilter, 7253 false /* force */); 7254 switch (dexOptStatus) { 7255 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7256 numberOfPackagesOptimized++; 7257 break; 7258 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7259 numberOfPackagesSkipped++; 7260 break; 7261 case PackageDexOptimizer.DEX_OPT_FAILED: 7262 numberOfPackagesFailed++; 7263 break; 7264 default: 7265 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7266 break; 7267 } 7268 } 7269 7270 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7271 numberOfPackagesFailed }; 7272 } 7273 7274 @Override 7275 public void notifyPackageUse(String packageName, int reason) { 7276 synchronized (mPackages) { 7277 PackageParser.Package p = mPackages.get(packageName); 7278 if (p == null) { 7279 return; 7280 } 7281 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7282 } 7283 } 7284 7285 // TODO: this is not used nor needed. Delete it. 7286 @Override 7287 public boolean performDexOptIfNeeded(String packageName) { 7288 int dexOptStatus = performDexOptTraced(packageName, 7289 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7290 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7291 } 7292 7293 @Override 7294 public boolean performDexOpt(String packageName, 7295 boolean checkProfiles, int compileReason, boolean force) { 7296 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7297 getCompilerFilterForReason(compileReason), force); 7298 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7299 } 7300 7301 @Override 7302 public boolean performDexOptMode(String packageName, 7303 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7304 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7305 targetCompilerFilter, force); 7306 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7307 } 7308 7309 private int performDexOptTraced(String packageName, 7310 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7311 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7312 try { 7313 return performDexOptInternal(packageName, checkProfiles, 7314 targetCompilerFilter, force); 7315 } finally { 7316 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7317 } 7318 } 7319 7320 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7321 // if the package can now be considered up to date for the given filter. 7322 private int performDexOptInternal(String packageName, 7323 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7324 PackageParser.Package p; 7325 synchronized (mPackages) { 7326 p = mPackages.get(packageName); 7327 if (p == null) { 7328 // Package could not be found. Report failure. 7329 return PackageDexOptimizer.DEX_OPT_FAILED; 7330 } 7331 mPackageUsage.maybeWriteAsync(mPackages); 7332 mCompilerStats.maybeWriteAsync(); 7333 } 7334 long callingId = Binder.clearCallingIdentity(); 7335 try { 7336 synchronized (mInstallLock) { 7337 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7338 targetCompilerFilter, force); 7339 } 7340 } finally { 7341 Binder.restoreCallingIdentity(callingId); 7342 } 7343 } 7344 7345 public ArraySet<String> getOptimizablePackages() { 7346 ArraySet<String> pkgs = new ArraySet<String>(); 7347 synchronized (mPackages) { 7348 for (PackageParser.Package p : mPackages.values()) { 7349 if (PackageDexOptimizer.canOptimizePackage(p)) { 7350 pkgs.add(p.packageName); 7351 } 7352 } 7353 } 7354 return pkgs; 7355 } 7356 7357 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7358 boolean checkProfiles, String targetCompilerFilter, 7359 boolean force) { 7360 // Select the dex optimizer based on the force parameter. 7361 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7362 // allocate an object here. 7363 PackageDexOptimizer pdo = force 7364 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7365 : mPackageDexOptimizer; 7366 7367 // Optimize all dependencies first. Note: we ignore the return value and march on 7368 // on errors. 7369 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7370 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7371 if (!deps.isEmpty()) { 7372 for (PackageParser.Package depPackage : deps) { 7373 // TODO: Analyze and investigate if we (should) profile libraries. 7374 // Currently this will do a full compilation of the library by default. 7375 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7376 false /* checkProfiles */, 7377 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7378 getOrCreateCompilerPackageStats(depPackage)); 7379 } 7380 } 7381 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7382 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7383 } 7384 7385 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7386 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7387 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7388 Set<String> collectedNames = new HashSet<>(); 7389 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7390 7391 retValue.remove(p); 7392 7393 return retValue; 7394 } else { 7395 return Collections.emptyList(); 7396 } 7397 } 7398 7399 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7400 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7401 if (!collectedNames.contains(p.packageName)) { 7402 collectedNames.add(p.packageName); 7403 collected.add(p); 7404 7405 if (p.usesLibraries != null) { 7406 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7407 } 7408 if (p.usesOptionalLibraries != null) { 7409 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7410 collectedNames); 7411 } 7412 } 7413 } 7414 7415 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7416 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7417 for (String libName : libs) { 7418 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7419 if (libPkg != null) { 7420 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7421 } 7422 } 7423 } 7424 7425 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7426 synchronized (mPackages) { 7427 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7428 if (lib != null && lib.apk != null) { 7429 return mPackages.get(lib.apk); 7430 } 7431 } 7432 return null; 7433 } 7434 7435 public void shutdown() { 7436 mPackageUsage.writeNow(mPackages); 7437 mCompilerStats.writeNow(); 7438 } 7439 7440 @Override 7441 public void dumpProfiles(String packageName) { 7442 PackageParser.Package pkg; 7443 synchronized (mPackages) { 7444 pkg = mPackages.get(packageName); 7445 if (pkg == null) { 7446 throw new IllegalArgumentException("Unknown package: " + packageName); 7447 } 7448 } 7449 /* Only the shell, root, or the app user should be able to dump profiles. */ 7450 int callingUid = Binder.getCallingUid(); 7451 if (callingUid != Process.SHELL_UID && 7452 callingUid != Process.ROOT_UID && 7453 callingUid != pkg.applicationInfo.uid) { 7454 throw new SecurityException("dumpProfiles"); 7455 } 7456 7457 synchronized (mInstallLock) { 7458 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7459 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7460 try { 7461 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7462 String gid = Integer.toString(sharedGid); 7463 String codePaths = TextUtils.join(";", allCodePaths); 7464 mInstaller.dumpProfiles(gid, packageName, codePaths); 7465 } catch (InstallerException e) { 7466 Slog.w(TAG, "Failed to dump profiles", e); 7467 } 7468 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7469 } 7470 } 7471 7472 @Override 7473 public void forceDexOpt(String packageName) { 7474 enforceSystemOrRoot("forceDexOpt"); 7475 7476 PackageParser.Package pkg; 7477 synchronized (mPackages) { 7478 pkg = mPackages.get(packageName); 7479 if (pkg == null) { 7480 throw new IllegalArgumentException("Unknown package: " + packageName); 7481 } 7482 } 7483 7484 synchronized (mInstallLock) { 7485 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7486 7487 // Whoever is calling forceDexOpt wants a fully compiled package. 7488 // Don't use profiles since that may cause compilation to be skipped. 7489 final int res = performDexOptInternalWithDependenciesLI(pkg, 7490 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7491 true /* force */); 7492 7493 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7494 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7495 throw new IllegalStateException("Failed to dexopt: " + res); 7496 } 7497 } 7498 } 7499 7500 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7501 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7502 Slog.w(TAG, "Unable to update from " + oldPkg.name 7503 + " to " + newPkg.packageName 7504 + ": old package not in system partition"); 7505 return false; 7506 } else if (mPackages.get(oldPkg.name) != null) { 7507 Slog.w(TAG, "Unable to update from " + oldPkg.name 7508 + " to " + newPkg.packageName 7509 + ": old package still exists"); 7510 return false; 7511 } 7512 return true; 7513 } 7514 7515 void removeCodePathLI(File codePath) { 7516 if (codePath.isDirectory()) { 7517 try { 7518 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7519 } catch (InstallerException e) { 7520 Slog.w(TAG, "Failed to remove code path", e); 7521 } 7522 } else { 7523 codePath.delete(); 7524 } 7525 } 7526 7527 private int[] resolveUserIds(int userId) { 7528 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7529 } 7530 7531 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7532 if (pkg == null) { 7533 Slog.wtf(TAG, "Package was null!", new Throwable()); 7534 return; 7535 } 7536 clearAppDataLeafLIF(pkg, userId, flags); 7537 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7538 for (int i = 0; i < childCount; i++) { 7539 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7540 } 7541 } 7542 7543 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7544 final PackageSetting ps; 7545 synchronized (mPackages) { 7546 ps = mSettings.mPackages.get(pkg.packageName); 7547 } 7548 for (int realUserId : resolveUserIds(userId)) { 7549 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7550 try { 7551 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7552 ceDataInode); 7553 } catch (InstallerException e) { 7554 Slog.w(TAG, String.valueOf(e)); 7555 } 7556 } 7557 } 7558 7559 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7560 if (pkg == null) { 7561 Slog.wtf(TAG, "Package was null!", new Throwable()); 7562 return; 7563 } 7564 destroyAppDataLeafLIF(pkg, userId, flags); 7565 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7566 for (int i = 0; i < childCount; i++) { 7567 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7568 } 7569 } 7570 7571 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7572 final PackageSetting ps; 7573 synchronized (mPackages) { 7574 ps = mSettings.mPackages.get(pkg.packageName); 7575 } 7576 for (int realUserId : resolveUserIds(userId)) { 7577 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7578 try { 7579 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7580 ceDataInode); 7581 } catch (InstallerException e) { 7582 Slog.w(TAG, String.valueOf(e)); 7583 } 7584 } 7585 } 7586 7587 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7588 if (pkg == null) { 7589 Slog.wtf(TAG, "Package was null!", new Throwable()); 7590 return; 7591 } 7592 destroyAppProfilesLeafLIF(pkg); 7593 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7594 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7595 for (int i = 0; i < childCount; i++) { 7596 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7597 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7598 true /* removeBaseMarker */); 7599 } 7600 } 7601 7602 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7603 boolean removeBaseMarker) { 7604 if (pkg.isForwardLocked()) { 7605 return; 7606 } 7607 7608 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7609 try { 7610 path = PackageManagerServiceUtils.realpath(new File(path)); 7611 } catch (IOException e) { 7612 // TODO: Should we return early here ? 7613 Slog.w(TAG, "Failed to get canonical path", e); 7614 continue; 7615 } 7616 7617 final String useMarker = path.replace('/', '@'); 7618 for (int realUserId : resolveUserIds(userId)) { 7619 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7620 if (removeBaseMarker) { 7621 File foreignUseMark = new File(profileDir, useMarker); 7622 if (foreignUseMark.exists()) { 7623 if (!foreignUseMark.delete()) { 7624 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7625 + pkg.packageName); 7626 } 7627 } 7628 } 7629 7630 File[] markers = profileDir.listFiles(); 7631 if (markers != null) { 7632 final String searchString = "@" + pkg.packageName + "@"; 7633 // We also delete all markers that contain the package name we're 7634 // uninstalling. These are associated with secondary dex-files belonging 7635 // to the package. Reconstructing the path of these dex files is messy 7636 // in general. 7637 for (File marker : markers) { 7638 if (marker.getName().indexOf(searchString) > 0) { 7639 if (!marker.delete()) { 7640 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7641 + pkg.packageName); 7642 } 7643 } 7644 } 7645 } 7646 } 7647 } 7648 } 7649 7650 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7651 try { 7652 mInstaller.destroyAppProfiles(pkg.packageName); 7653 } catch (InstallerException e) { 7654 Slog.w(TAG, String.valueOf(e)); 7655 } 7656 } 7657 7658 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7659 if (pkg == null) { 7660 Slog.wtf(TAG, "Package was null!", new Throwable()); 7661 return; 7662 } 7663 clearAppProfilesLeafLIF(pkg); 7664 // We don't remove the base foreign use marker when clearing profiles because 7665 // we will rename it when the app is updated. Unlike the actual profile contents, 7666 // the foreign use marker is good across installs. 7667 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7668 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7669 for (int i = 0; i < childCount; i++) { 7670 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7671 } 7672 } 7673 7674 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7675 try { 7676 mInstaller.clearAppProfiles(pkg.packageName); 7677 } catch (InstallerException e) { 7678 Slog.w(TAG, String.valueOf(e)); 7679 } 7680 } 7681 7682 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7683 long lastUpdateTime) { 7684 // Set parent install/update time 7685 PackageSetting ps = (PackageSetting) pkg.mExtras; 7686 if (ps != null) { 7687 ps.firstInstallTime = firstInstallTime; 7688 ps.lastUpdateTime = lastUpdateTime; 7689 } 7690 // Set children install/update time 7691 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7692 for (int i = 0; i < childCount; i++) { 7693 PackageParser.Package childPkg = pkg.childPackages.get(i); 7694 ps = (PackageSetting) childPkg.mExtras; 7695 if (ps != null) { 7696 ps.firstInstallTime = firstInstallTime; 7697 ps.lastUpdateTime = lastUpdateTime; 7698 } 7699 } 7700 } 7701 7702 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7703 PackageParser.Package changingLib) { 7704 if (file.path != null) { 7705 usesLibraryFiles.add(file.path); 7706 return; 7707 } 7708 PackageParser.Package p = mPackages.get(file.apk); 7709 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7710 // If we are doing this while in the middle of updating a library apk, 7711 // then we need to make sure to use that new apk for determining the 7712 // dependencies here. (We haven't yet finished committing the new apk 7713 // to the package manager state.) 7714 if (p == null || p.packageName.equals(changingLib.packageName)) { 7715 p = changingLib; 7716 } 7717 } 7718 if (p != null) { 7719 usesLibraryFiles.addAll(p.getAllCodePaths()); 7720 } 7721 } 7722 7723 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7724 PackageParser.Package changingLib) throws PackageManagerException { 7725 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7726 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7727 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7728 for (int i=0; i<N; i++) { 7729 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7730 if (file == null) { 7731 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7732 "Package " + pkg.packageName + " requires unavailable shared library " 7733 + pkg.usesLibraries.get(i) + "; failing!"); 7734 } 7735 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7736 } 7737 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7738 for (int i=0; i<N; i++) { 7739 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7740 if (file == null) { 7741 Slog.w(TAG, "Package " + pkg.packageName 7742 + " desires unavailable shared library " 7743 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7744 } else { 7745 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7746 } 7747 } 7748 N = usesLibraryFiles.size(); 7749 if (N > 0) { 7750 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7751 } else { 7752 pkg.usesLibraryFiles = null; 7753 } 7754 } 7755 } 7756 7757 private static boolean hasString(List<String> list, List<String> which) { 7758 if (list == null) { 7759 return false; 7760 } 7761 for (int i=list.size()-1; i>=0; i--) { 7762 for (int j=which.size()-1; j>=0; j--) { 7763 if (which.get(j).equals(list.get(i))) { 7764 return true; 7765 } 7766 } 7767 } 7768 return false; 7769 } 7770 7771 private void updateAllSharedLibrariesLPw() { 7772 for (PackageParser.Package pkg : mPackages.values()) { 7773 try { 7774 updateSharedLibrariesLPw(pkg, null); 7775 } catch (PackageManagerException e) { 7776 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7777 } 7778 } 7779 } 7780 7781 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7782 PackageParser.Package changingPkg) { 7783 ArrayList<PackageParser.Package> res = null; 7784 for (PackageParser.Package pkg : mPackages.values()) { 7785 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7786 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7787 if (res == null) { 7788 res = new ArrayList<PackageParser.Package>(); 7789 } 7790 res.add(pkg); 7791 try { 7792 updateSharedLibrariesLPw(pkg, changingPkg); 7793 } catch (PackageManagerException e) { 7794 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7795 } 7796 } 7797 } 7798 return res; 7799 } 7800 7801 /** 7802 * Derive the value of the {@code cpuAbiOverride} based on the provided 7803 * value and an optional stored value from the package settings. 7804 */ 7805 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7806 String cpuAbiOverride = null; 7807 7808 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7809 cpuAbiOverride = null; 7810 } else if (abiOverride != null) { 7811 cpuAbiOverride = abiOverride; 7812 } else if (settings != null) { 7813 cpuAbiOverride = settings.cpuAbiOverrideString; 7814 } 7815 7816 return cpuAbiOverride; 7817 } 7818 7819 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7820 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7821 throws PackageManagerException { 7822 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7823 // If the package has children and this is the first dive in the function 7824 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7825 // whether all packages (parent and children) would be successfully scanned 7826 // before the actual scan since scanning mutates internal state and we want 7827 // to atomically install the package and its children. 7828 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7829 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7830 scanFlags |= SCAN_CHECK_ONLY; 7831 } 7832 } else { 7833 scanFlags &= ~SCAN_CHECK_ONLY; 7834 } 7835 7836 final PackageParser.Package scannedPkg; 7837 try { 7838 // Scan the parent 7839 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7840 // Scan the children 7841 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7842 for (int i = 0; i < childCount; i++) { 7843 PackageParser.Package childPkg = pkg.childPackages.get(i); 7844 scanPackageLI(childPkg, policyFlags, 7845 scanFlags, currentTime, user); 7846 } 7847 } finally { 7848 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7849 } 7850 7851 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7852 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7853 } 7854 7855 return scannedPkg; 7856 } 7857 7858 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7859 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7860 boolean success = false; 7861 try { 7862 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7863 currentTime, user); 7864 success = true; 7865 return res; 7866 } finally { 7867 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7868 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7869 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7870 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7871 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7872 } 7873 } 7874 } 7875 7876 /** 7877 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7878 */ 7879 private static boolean apkHasCode(String fileName) { 7880 StrictJarFile jarFile = null; 7881 try { 7882 jarFile = new StrictJarFile(fileName, 7883 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7884 return jarFile.findEntry("classes.dex") != null; 7885 } catch (IOException ignore) { 7886 } finally { 7887 try { 7888 if (jarFile != null) { 7889 jarFile.close(); 7890 } 7891 } catch (IOException ignore) {} 7892 } 7893 return false; 7894 } 7895 7896 /** 7897 * Enforces code policy for the package. This ensures that if an APK has 7898 * declared hasCode="true" in its manifest that the APK actually contains 7899 * code. 7900 * 7901 * @throws PackageManagerException If bytecode could not be found when it should exist 7902 */ 7903 private static void enforceCodePolicy(PackageParser.Package pkg) 7904 throws PackageManagerException { 7905 final boolean shouldHaveCode = 7906 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7907 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7908 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7909 "Package " + pkg.baseCodePath + " code is missing"); 7910 } 7911 7912 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7913 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7914 final boolean splitShouldHaveCode = 7915 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7916 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7917 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7918 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7919 } 7920 } 7921 } 7922 } 7923 7924 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7925 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7926 throws PackageManagerException { 7927 final File scanFile = new File(pkg.codePath); 7928 if (pkg.applicationInfo.getCodePath() == null || 7929 pkg.applicationInfo.getResourcePath() == null) { 7930 // Bail out. The resource and code paths haven't been set. 7931 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7932 "Code and resource paths haven't been set correctly"); 7933 } 7934 7935 // Apply policy 7936 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7937 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7938 if (pkg.applicationInfo.isDirectBootAware()) { 7939 // we're direct boot aware; set for all components 7940 for (PackageParser.Service s : pkg.services) { 7941 s.info.encryptionAware = s.info.directBootAware = true; 7942 } 7943 for (PackageParser.Provider p : pkg.providers) { 7944 p.info.encryptionAware = p.info.directBootAware = true; 7945 } 7946 for (PackageParser.Activity a : pkg.activities) { 7947 a.info.encryptionAware = a.info.directBootAware = true; 7948 } 7949 for (PackageParser.Activity r : pkg.receivers) { 7950 r.info.encryptionAware = r.info.directBootAware = true; 7951 } 7952 } 7953 } else { 7954 // Only allow system apps to be flagged as core apps. 7955 pkg.coreApp = false; 7956 // clear flags not applicable to regular apps 7957 pkg.applicationInfo.privateFlags &= 7958 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7959 pkg.applicationInfo.privateFlags &= 7960 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7961 } 7962 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7963 7964 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7965 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7966 } 7967 7968 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7969 enforceCodePolicy(pkg); 7970 } 7971 7972 if (mCustomResolverComponentName != null && 7973 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7974 setUpCustomResolverActivity(pkg); 7975 } 7976 7977 if (pkg.packageName.equals("android")) { 7978 synchronized (mPackages) { 7979 if (mAndroidApplication != null) { 7980 Slog.w(TAG, "*************************************************"); 7981 Slog.w(TAG, "Core android package being redefined. Skipping."); 7982 Slog.w(TAG, " file=" + scanFile); 7983 Slog.w(TAG, "*************************************************"); 7984 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7985 "Core android package being redefined. Skipping."); 7986 } 7987 7988 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7989 // Set up information for our fall-back user intent resolution activity. 7990 mPlatformPackage = pkg; 7991 pkg.mVersionCode = mSdkVersion; 7992 mAndroidApplication = pkg.applicationInfo; 7993 7994 if (!mResolverReplaced) { 7995 mResolveActivity.applicationInfo = mAndroidApplication; 7996 mResolveActivity.name = ResolverActivity.class.getName(); 7997 mResolveActivity.packageName = mAndroidApplication.packageName; 7998 mResolveActivity.processName = "system:ui"; 7999 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8000 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8001 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8002 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8003 mResolveActivity.exported = true; 8004 mResolveActivity.enabled = true; 8005 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8006 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8007 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8008 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8009 | ActivityInfo.CONFIG_ORIENTATION 8010 | ActivityInfo.CONFIG_KEYBOARD 8011 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8012 mResolveInfo.activityInfo = mResolveActivity; 8013 mResolveInfo.priority = 0; 8014 mResolveInfo.preferredOrder = 0; 8015 mResolveInfo.match = 0; 8016 mResolveComponentName = new ComponentName( 8017 mAndroidApplication.packageName, mResolveActivity.name); 8018 } 8019 } 8020 } 8021 } 8022 8023 if (DEBUG_PACKAGE_SCANNING) { 8024 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8025 Log.d(TAG, "Scanning package " + pkg.packageName); 8026 } 8027 8028 synchronized (mPackages) { 8029 if (mPackages.containsKey(pkg.packageName) 8030 || mSharedLibraries.containsKey(pkg.packageName)) { 8031 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8032 "Application package " + pkg.packageName 8033 + " already installed. Skipping duplicate."); 8034 } 8035 8036 // If we're only installing presumed-existing packages, require that the 8037 // scanned APK is both already known and at the path previously established 8038 // for it. Previously unknown packages we pick up normally, but if we have an 8039 // a priori expectation about this package's install presence, enforce it. 8040 // With a singular exception for new system packages. When an OTA contains 8041 // a new system package, we allow the codepath to change from a system location 8042 // to the user-installed location. If we don't allow this change, any newer, 8043 // user-installed version of the application will be ignored. 8044 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8045 if (mExpectingBetter.containsKey(pkg.packageName)) { 8046 logCriticalInfo(Log.WARN, 8047 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8048 } else { 8049 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8050 if (known != null) { 8051 if (DEBUG_PACKAGE_SCANNING) { 8052 Log.d(TAG, "Examining " + pkg.codePath 8053 + " and requiring known paths " + known.codePathString 8054 + " & " + known.resourcePathString); 8055 } 8056 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8057 || !pkg.applicationInfo.getResourcePath().equals( 8058 known.resourcePathString)) { 8059 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8060 "Application package " + pkg.packageName 8061 + " found at " + pkg.applicationInfo.getCodePath() 8062 + " but expected at " + known.codePathString 8063 + "; ignoring."); 8064 } 8065 } 8066 } 8067 } 8068 } 8069 8070 // Initialize package source and resource directories 8071 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8072 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8073 8074 SharedUserSetting suid = null; 8075 PackageSetting pkgSetting = null; 8076 8077 if (!isSystemApp(pkg)) { 8078 // Only system apps can use these features. 8079 pkg.mOriginalPackages = null; 8080 pkg.mRealPackage = null; 8081 pkg.mAdoptPermissions = null; 8082 } 8083 8084 // Getting the package setting may have a side-effect, so if we 8085 // are only checking if scan would succeed, stash a copy of the 8086 // old setting to restore at the end. 8087 PackageSetting nonMutatedPs = null; 8088 8089 // writer 8090 synchronized (mPackages) { 8091 if (pkg.mSharedUserId != null) { 8092 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8093 if (suid == null) { 8094 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8095 "Creating application package " + pkg.packageName 8096 + " for shared user failed"); 8097 } 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.getRenamedPackage(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 8125 } else { 8126 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8127 if ((origPackage = mSettings.peekPackageLPr( 8128 pkg.mOriginalPackages.get(i))) != null) { 8129 // We do have the package already installed under its 8130 // original name... should we use it? 8131 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8132 // New package is not compatible with original. 8133 origPackage = null; 8134 continue; 8135 } else if (origPackage.sharedUser != null) { 8136 // Make sure uid is compatible between packages. 8137 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8138 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8139 + " to " + pkg.packageName + ": old uid " 8140 + origPackage.sharedUser.name 8141 + " differs from " + pkg.mSharedUserId); 8142 origPackage = null; 8143 continue; 8144 } 8145 // TODO: Add case when shared user id is added [b/28144775] 8146 } else { 8147 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8148 + pkg.packageName + " to old name " + origPackage.name); 8149 } 8150 break; 8151 } 8152 } 8153 } 8154 } 8155 8156 if (mTransferedPackages.contains(pkg.packageName)) { 8157 Slog.w(TAG, "Package " + pkg.packageName 8158 + " was transferred to another, but its .apk remains"); 8159 } 8160 8161 // See comments in nonMutatedPs declaration 8162 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8163 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8164 if (foundPs != null) { 8165 nonMutatedPs = new PackageSetting(foundPs); 8166 } 8167 } 8168 8169 // Just create the setting, don't add it yet. For already existing packages 8170 // the PkgSetting exists already and doesn't have to be created. 8171 pkgSetting = mSettings.getPackageWithBenefitsLPw(pkg, origPackage, realName, suid, 8172 destCodeFile, destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8173 pkg.applicationInfo.primaryCpuAbi, 8174 pkg.applicationInfo.secondaryCpuAbi, 8175 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8176 user); 8177 if (pkgSetting == null) { 8178 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8179 "Creating application package " + pkg.packageName + " failed"); 8180 } 8181 8182 if (pkgSetting.origPackage != null) { 8183 // If we are first transitioning from an original package, 8184 // fix up the new package's name now. We need to do this after 8185 // looking up the package under its new name, so getPackageLP 8186 // can take care of fiddling things correctly. 8187 pkg.setPackageName(origPackage.name); 8188 8189 // File a report about this. 8190 String msg = "New package " + pkgSetting.realName 8191 + " renamed to replace old package " + pkgSetting.name; 8192 reportSettingsProblem(Log.WARN, msg); 8193 8194 // Make a note of it. 8195 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8196 mTransferedPackages.add(origPackage.name); 8197 } 8198 8199 // No longer need to retain this. 8200 pkgSetting.origPackage = null; 8201 } 8202 8203 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8204 // Make a note of it. 8205 mTransferedPackages.add(pkg.packageName); 8206 } 8207 8208 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8209 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8210 } 8211 8212 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8213 // Check all shared libraries and map to their actual file path. 8214 // We only do this here for apps not on a system dir, because those 8215 // are the only ones that can fail an install due to this. We 8216 // will take care of the system apps by updating all of their 8217 // library paths after the scan is done. 8218 updateSharedLibrariesLPw(pkg, null); 8219 } 8220 8221 if (mFoundPolicyFile) { 8222 SELinuxMMAC.assignSeinfoValue(pkg); 8223 } 8224 8225 pkg.applicationInfo.uid = pkgSetting.appId; 8226 pkg.mExtras = pkgSetting; 8227 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8228 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8229 // We just determined the app is signed correctly, so bring 8230 // over the latest parsed certs. 8231 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8232 } else { 8233 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8234 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8235 "Package " + pkg.packageName + " upgrade keys do not match the " 8236 + "previously installed version"); 8237 } else { 8238 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8239 String msg = "System package " + pkg.packageName 8240 + " signature changed; retaining data."; 8241 reportSettingsProblem(Log.WARN, msg); 8242 } 8243 } 8244 } else { 8245 try { 8246 verifySignaturesLP(pkgSetting, pkg); 8247 // We just determined the app is signed correctly, so bring 8248 // over the latest parsed certs. 8249 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8250 } catch (PackageManagerException e) { 8251 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8252 throw e; 8253 } 8254 // The signature has changed, but this package is in the system 8255 // image... let's recover! 8256 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8257 // However... if this package is part of a shared user, but it 8258 // doesn't match the signature of the shared user, let's fail. 8259 // What this means is that you can't change the signatures 8260 // associated with an overall shared user, which doesn't seem all 8261 // that unreasonable. 8262 if (pkgSetting.sharedUser != null) { 8263 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8264 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8265 throw new PackageManagerException( 8266 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8267 "Signature mismatch for shared user: " 8268 + pkgSetting.sharedUser); 8269 } 8270 } 8271 // File a report about this. 8272 String msg = "System package " + pkg.packageName 8273 + " signature changed; retaining data."; 8274 reportSettingsProblem(Log.WARN, msg); 8275 } 8276 } 8277 // Verify that this new package doesn't have any content providers 8278 // that conflict with existing packages. Only do this if the 8279 // package isn't already installed, since we don't want to break 8280 // things that are installed. 8281 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8282 final int N = pkg.providers.size(); 8283 int i; 8284 for (i=0; i<N; i++) { 8285 PackageParser.Provider p = pkg.providers.get(i); 8286 if (p.info.authority != null) { 8287 String names[] = p.info.authority.split(";"); 8288 for (int j = 0; j < names.length; j++) { 8289 if (mProvidersByAuthority.containsKey(names[j])) { 8290 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8291 final String otherPackageName = 8292 ((other != null && other.getComponentName() != null) ? 8293 other.getComponentName().getPackageName() : "?"); 8294 throw new PackageManagerException( 8295 INSTALL_FAILED_CONFLICTING_PROVIDER, 8296 "Can't install because provider name " + names[j] 8297 + " (in package " + pkg.applicationInfo.packageName 8298 + ") is already used by " + otherPackageName); 8299 } 8300 } 8301 } 8302 } 8303 } 8304 8305 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8306 // This package wants to adopt ownership of permissions from 8307 // another package. 8308 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8309 final String origName = pkg.mAdoptPermissions.get(i); 8310 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8311 if (orig != null) { 8312 if (verifyPackageUpdateLPr(orig, pkg)) { 8313 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8314 + pkg.packageName); 8315 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8316 } 8317 } 8318 } 8319 } 8320 } 8321 8322 final String pkgName = pkg.packageName; 8323 8324 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8325 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8326 pkg.applicationInfo.processName = fixProcessName( 8327 pkg.applicationInfo.packageName, 8328 pkg.applicationInfo.processName, 8329 pkg.applicationInfo.uid); 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 path = scanFile.getPath(); 8337 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8338 8339 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8340 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8341 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /*extractLibs*/); 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); 8351 } 8352 8353 } else { 8354 if ((scanFlags & SCAN_MOVE) != 0) { 8355 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8356 // but we already have this packages package info in the PackageSetting. We just 8357 // use that and derive the native library path based on the new codepath. 8358 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8359 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8360 } 8361 8362 // Set native library paths again. For moves, the path will be updated based on the 8363 // ABIs we've determined above. For non-moves, the path will be updated based on the 8364 // ABIs we determined during compilation, but the path will depend on the final 8365 // package path (after the rename away from the stage path). 8366 setNativeLibraryPaths(pkg); 8367 } 8368 8369 // This is a special case for the "system" package, where the ABI is 8370 // dictated by the zygote configuration (and init.rc). We should keep track 8371 // of this ABI so that we can deal with "normal" applications that run under 8372 // the same UID correctly. 8373 if (mPlatformPackage == pkg) { 8374 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8375 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8376 } 8377 8378 // If there's a mismatch between the abi-override in the package setting 8379 // and the abiOverride specified for the install. Warn about this because we 8380 // would've already compiled the app without taking the package setting into 8381 // account. 8382 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8383 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8384 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8385 " for package " + pkg.packageName); 8386 } 8387 } 8388 8389 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8390 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8391 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8392 8393 // Copy the derived override back to the parsed package, so that we can 8394 // update the package settings accordingly. 8395 pkg.cpuAbiOverride = cpuAbiOverride; 8396 8397 if (DEBUG_ABI_SELECTION) { 8398 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8399 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8400 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8401 } 8402 8403 // Push the derived path down into PackageSettings so we know what to 8404 // clean up at uninstall time. 8405 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8406 8407 if (DEBUG_ABI_SELECTION) { 8408 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8409 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8410 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8411 } 8412 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, 8421 pkg, true /* boot complete */); 8422 } 8423 8424 if (mFactoryTest && pkg.requestedPermissions.contains( 8425 android.Manifest.permission.FACTORY_TEST)) { 8426 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8427 } 8428 8429 if (isSystemApp(pkg)) { 8430 pkgSetting.isOrphaned = true; 8431 } 8432 8433 ArrayList<PackageParser.Package> clientLibPkgs = null; 8434 8435 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8436 if (nonMutatedPs != null) { 8437 synchronized (mPackages) { 8438 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8439 } 8440 } 8441 return pkg; 8442 } 8443 8444 // Only privileged apps and updated privileged apps can add child packages. 8445 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8446 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8447 throw new PackageManagerException("Only privileged apps and updated " 8448 + "privileged apps can add child packages. Ignoring package " 8449 + pkg.packageName); 8450 } 8451 final int childCount = pkg.childPackages.size(); 8452 for (int i = 0; i < childCount; i++) { 8453 PackageParser.Package childPkg = pkg.childPackages.get(i); 8454 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8455 childPkg.packageName)) { 8456 throw new PackageManagerException("Cannot override a child package of " 8457 + "another disabled system app. Ignoring package " + pkg.packageName); 8458 } 8459 } 8460 } 8461 8462 // writer 8463 synchronized (mPackages) { 8464 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8465 // Only system apps can add new shared libraries. 8466 if (pkg.libraryNames != null) { 8467 for (int i=0; i<pkg.libraryNames.size(); i++) { 8468 String name = pkg.libraryNames.get(i); 8469 boolean allowed = false; 8470 if (pkg.isUpdatedSystemApp()) { 8471 // New library entries can only be added through the 8472 // system image. This is important to get rid of a lot 8473 // of nasty edge cases: for example if we allowed a non- 8474 // system update of the app to add a library, then uninstalling 8475 // the update would make the library go away, and assumptions 8476 // we made such as through app install filtering would now 8477 // have allowed apps on the device which aren't compatible 8478 // with it. Better to just have the restriction here, be 8479 // conservative, and create many fewer cases that can negatively 8480 // impact the user experience. 8481 final PackageSetting sysPs = mSettings 8482 .getDisabledSystemPkgLPr(pkg.packageName); 8483 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8484 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8485 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8486 allowed = true; 8487 break; 8488 } 8489 } 8490 } 8491 } else { 8492 allowed = true; 8493 } 8494 if (allowed) { 8495 if (!mSharedLibraries.containsKey(name)) { 8496 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8497 } else if (!name.equals(pkg.packageName)) { 8498 Slog.w(TAG, "Package " + pkg.packageName + " library " 8499 + name + " already exists; skipping"); 8500 } 8501 } else { 8502 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8503 + name + " that is not declared on system image; skipping"); 8504 } 8505 } 8506 if ((scanFlags & SCAN_BOOTING) == 0) { 8507 // If we are not booting, we need to update any applications 8508 // that are clients of our shared library. If we are booting, 8509 // this will all be done once the scan is complete. 8510 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8511 } 8512 } 8513 } 8514 } 8515 8516 if ((scanFlags & SCAN_BOOTING) != 0) { 8517 // No apps can run during boot scan, so they don't need to be frozen 8518 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8519 // Caller asked to not kill app, so it's probably not frozen 8520 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8521 // Caller asked us to ignore frozen check for some reason; they 8522 // probably didn't know the package name 8523 } else { 8524 // We're doing major surgery on this package, so it better be frozen 8525 // right now to keep it from launching 8526 checkPackageFrozen(pkgName); 8527 } 8528 8529 // Also need to kill any apps that are dependent on the library. 8530 if (clientLibPkgs != null) { 8531 for (int i=0; i<clientLibPkgs.size(); i++) { 8532 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8533 killApplication(clientPkg.applicationInfo.packageName, 8534 clientPkg.applicationInfo.uid, "update lib"); 8535 } 8536 } 8537 8538 // Make sure we're not adding any bogus keyset info 8539 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8540 ksms.assertScannedPackageValid(pkg); 8541 8542 // writer 8543 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8544 8545 boolean createIdmapFailed = false; 8546 synchronized (mPackages) { 8547 // We don't expect installation to fail beyond this point 8548 8549 if (pkgSetting.pkg != null) { 8550 // Note that |user| might be null during the initial boot scan. If a codePath 8551 // for an app has changed during a boot scan, it's due to an app update that's 8552 // part of the system partition and marker changes must be applied to all users. 8553 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8554 (user != null) ? user : UserHandle.ALL); 8555 } 8556 8557 // Add the new setting to mSettings 8558 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8559 // Add the new setting to mPackages 8560 mPackages.put(pkg.applicationInfo.packageName, pkg); 8561 // Make sure we don't accidentally delete its data. 8562 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8563 while (iter.hasNext()) { 8564 PackageCleanItem item = iter.next(); 8565 if (pkgName.equals(item.packageName)) { 8566 iter.remove(); 8567 } 8568 } 8569 8570 // Take care of first install / last update times. 8571 if (currentTime != 0) { 8572 if (pkgSetting.firstInstallTime == 0) { 8573 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8574 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8575 pkgSetting.lastUpdateTime = currentTime; 8576 } 8577 } else if (pkgSetting.firstInstallTime == 0) { 8578 // We need *something*. Take time time stamp of the file. 8579 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8580 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8581 if (scanFileTime != pkgSetting.timeStamp) { 8582 // A package on the system image has changed; consider this 8583 // to be an update. 8584 pkgSetting.lastUpdateTime = scanFileTime; 8585 } 8586 } 8587 8588 // Add the package's KeySets to the global KeySetManagerService 8589 ksms.addScannedPackageLPw(pkg); 8590 8591 int N = pkg.providers.size(); 8592 StringBuilder r = null; 8593 int i; 8594 for (i=0; i<N; i++) { 8595 PackageParser.Provider p = pkg.providers.get(i); 8596 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8597 p.info.processName, pkg.applicationInfo.uid); 8598 mProviders.addProvider(p); 8599 p.syncable = p.info.isSyncable; 8600 if (p.info.authority != null) { 8601 String names[] = p.info.authority.split(";"); 8602 p.info.authority = null; 8603 for (int j = 0; j < names.length; j++) { 8604 if (j == 1 && p.syncable) { 8605 // We only want the first authority for a provider to possibly be 8606 // syncable, so if we already added this provider using a different 8607 // authority clear the syncable flag. We copy the provider before 8608 // changing it because the mProviders object contains a reference 8609 // to a provider that we don't want to change. 8610 // Only do this for the second authority since the resulting provider 8611 // object can be the same for all future authorities for this provider. 8612 p = new PackageParser.Provider(p); 8613 p.syncable = false; 8614 } 8615 if (!mProvidersByAuthority.containsKey(names[j])) { 8616 mProvidersByAuthority.put(names[j], p); 8617 if (p.info.authority == null) { 8618 p.info.authority = names[j]; 8619 } else { 8620 p.info.authority = p.info.authority + ";" + names[j]; 8621 } 8622 if (DEBUG_PACKAGE_SCANNING) { 8623 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8624 Log.d(TAG, "Registered content provider: " + names[j] 8625 + ", className = " + p.info.name + ", isSyncable = " 8626 + p.info.isSyncable); 8627 } 8628 } else { 8629 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8630 Slog.w(TAG, "Skipping provider name " + names[j] + 8631 " (in package " + pkg.applicationInfo.packageName + 8632 "): name already used by " 8633 + ((other != null && other.getComponentName() != null) 8634 ? other.getComponentName().getPackageName() : "?")); 8635 } 8636 } 8637 } 8638 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8639 if (r == null) { 8640 r = new StringBuilder(256); 8641 } else { 8642 r.append(' '); 8643 } 8644 r.append(p.info.name); 8645 } 8646 } 8647 if (r != null) { 8648 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8649 } 8650 8651 N = pkg.services.size(); 8652 r = null; 8653 for (i=0; i<N; i++) { 8654 PackageParser.Service s = pkg.services.get(i); 8655 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8656 s.info.processName, pkg.applicationInfo.uid); 8657 mServices.addService(s); 8658 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8659 if (r == null) { 8660 r = new StringBuilder(256); 8661 } else { 8662 r.append(' '); 8663 } 8664 r.append(s.info.name); 8665 } 8666 } 8667 if (r != null) { 8668 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8669 } 8670 8671 N = pkg.receivers.size(); 8672 r = null; 8673 for (i=0; i<N; i++) { 8674 PackageParser.Activity a = pkg.receivers.get(i); 8675 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8676 a.info.processName, pkg.applicationInfo.uid); 8677 mReceivers.addActivity(a, "receiver"); 8678 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8679 if (r == null) { 8680 r = new StringBuilder(256); 8681 } else { 8682 r.append(' '); 8683 } 8684 r.append(a.info.name); 8685 } 8686 } 8687 if (r != null) { 8688 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8689 } 8690 8691 N = pkg.activities.size(); 8692 r = null; 8693 for (i=0; i<N; i++) { 8694 PackageParser.Activity a = pkg.activities.get(i); 8695 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8696 a.info.processName, pkg.applicationInfo.uid); 8697 mActivities.addActivity(a, "activity"); 8698 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8699 if (r == null) { 8700 r = new StringBuilder(256); 8701 } else { 8702 r.append(' '); 8703 } 8704 r.append(a.info.name); 8705 } 8706 } 8707 if (r != null) { 8708 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8709 } 8710 8711 N = pkg.permissionGroups.size(); 8712 r = null; 8713 for (i=0; i<N; i++) { 8714 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8715 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8716 final String curPackageName = cur == null ? null : cur.info.packageName; 8717 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8718 if (cur == null || isPackageUpdate) { 8719 mPermissionGroups.put(pg.info.name, pg); 8720 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8721 if (r == null) { 8722 r = new StringBuilder(256); 8723 } else { 8724 r.append(' '); 8725 } 8726 if (isPackageUpdate) { 8727 r.append("UPD:"); 8728 } 8729 r.append(pg.info.name); 8730 } 8731 } else { 8732 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8733 + pg.info.packageName + " ignored: original from " 8734 + cur.info.packageName); 8735 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8736 if (r == null) { 8737 r = new StringBuilder(256); 8738 } else { 8739 r.append(' '); 8740 } 8741 r.append("DUP:"); 8742 r.append(pg.info.name); 8743 } 8744 } 8745 } 8746 if (r != null) { 8747 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8748 } 8749 8750 N = pkg.permissions.size(); 8751 r = null; 8752 for (i=0; i<N; i++) { 8753 PackageParser.Permission p = pkg.permissions.get(i); 8754 8755 // Assume by default that we did not install this permission into the system. 8756 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8757 8758 // Now that permission groups have a special meaning, we ignore permission 8759 // groups for legacy apps to prevent unexpected behavior. In particular, 8760 // permissions for one app being granted to someone just becase they happen 8761 // to be in a group defined by another app (before this had no implications). 8762 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8763 p.group = mPermissionGroups.get(p.info.group); 8764 // Warn for a permission in an unknown group. 8765 if (p.info.group != null && p.group == null) { 8766 Slog.w(TAG, "Permission " + p.info.name + " from package " 8767 + p.info.packageName + " in an unknown group " + p.info.group); 8768 } 8769 } 8770 8771 ArrayMap<String, BasePermission> permissionMap = 8772 p.tree ? mSettings.mPermissionTrees 8773 : mSettings.mPermissions; 8774 BasePermission bp = permissionMap.get(p.info.name); 8775 8776 // Allow system apps to redefine non-system permissions 8777 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8778 final boolean currentOwnerIsSystem = (bp.perm != null 8779 && isSystemApp(bp.perm.owner)); 8780 if (isSystemApp(p.owner)) { 8781 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8782 // It's a built-in permission and no owner, take ownership now 8783 bp.packageSetting = pkgSetting; 8784 bp.perm = p; 8785 bp.uid = pkg.applicationInfo.uid; 8786 bp.sourcePackage = p.info.packageName; 8787 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8788 } else if (!currentOwnerIsSystem) { 8789 String msg = "New decl " + p.owner + " of permission " 8790 + p.info.name + " is system; overriding " + bp.sourcePackage; 8791 reportSettingsProblem(Log.WARN, msg); 8792 bp = null; 8793 } 8794 } 8795 } 8796 8797 if (bp == null) { 8798 bp = new BasePermission(p.info.name, p.info.packageName, 8799 BasePermission.TYPE_NORMAL); 8800 permissionMap.put(p.info.name, bp); 8801 } 8802 8803 if (bp.perm == null) { 8804 if (bp.sourcePackage == null 8805 || bp.sourcePackage.equals(p.info.packageName)) { 8806 BasePermission tree = findPermissionTreeLP(p.info.name); 8807 if (tree == null 8808 || tree.sourcePackage.equals(p.info.packageName)) { 8809 bp.packageSetting = pkgSetting; 8810 bp.perm = p; 8811 bp.uid = pkg.applicationInfo.uid; 8812 bp.sourcePackage = p.info.packageName; 8813 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8814 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8815 if (r == null) { 8816 r = new StringBuilder(256); 8817 } else { 8818 r.append(' '); 8819 } 8820 r.append(p.info.name); 8821 } 8822 } else { 8823 Slog.w(TAG, "Permission " + p.info.name + " from package " 8824 + p.info.packageName + " ignored: base tree " 8825 + tree.name + " is from package " 8826 + tree.sourcePackage); 8827 } 8828 } else { 8829 Slog.w(TAG, "Permission " + p.info.name + " from package " 8830 + p.info.packageName + " ignored: original from " 8831 + bp.sourcePackage); 8832 } 8833 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8834 if (r == null) { 8835 r = new StringBuilder(256); 8836 } else { 8837 r.append(' '); 8838 } 8839 r.append("DUP:"); 8840 r.append(p.info.name); 8841 } 8842 if (bp.perm == p) { 8843 bp.protectionLevel = p.info.protectionLevel; 8844 } 8845 } 8846 8847 if (r != null) { 8848 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8849 } 8850 8851 N = pkg.instrumentation.size(); 8852 r = null; 8853 for (i=0; i<N; i++) { 8854 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8855 a.info.packageName = pkg.applicationInfo.packageName; 8856 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8857 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8858 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8859 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8860 a.info.dataDir = pkg.applicationInfo.dataDir; 8861 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8862 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8863 8864 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8865 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8866 mInstrumentation.put(a.getComponentName(), a); 8867 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8868 if (r == null) { 8869 r = new StringBuilder(256); 8870 } else { 8871 r.append(' '); 8872 } 8873 r.append(a.info.name); 8874 } 8875 } 8876 if (r != null) { 8877 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8878 } 8879 8880 if (pkg.protectedBroadcasts != null) { 8881 N = pkg.protectedBroadcasts.size(); 8882 for (i=0; i<N; i++) { 8883 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8884 } 8885 } 8886 8887 pkgSetting.setTimeStamp(scanFileTime); 8888 8889 // Create idmap files for pairs of (packages, overlay packages). 8890 // Note: "android", ie framework-res.apk, is handled by native layers. 8891 if (pkg.mOverlayTarget != null) { 8892 // This is an overlay package. 8893 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8894 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8895 mOverlays.put(pkg.mOverlayTarget, 8896 new ArrayMap<String, PackageParser.Package>()); 8897 } 8898 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8899 map.put(pkg.packageName, pkg); 8900 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8901 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8902 createIdmapFailed = true; 8903 } 8904 } 8905 } else if (mOverlays.containsKey(pkg.packageName) && 8906 !pkg.packageName.equals("android")) { 8907 // This is a regular package, with one or more known overlay packages. 8908 createIdmapsForPackageLI(pkg); 8909 } 8910 } 8911 8912 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8913 8914 if (createIdmapFailed) { 8915 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8916 "scanPackageLI failed to createIdmap"); 8917 } 8918 return pkg; 8919 } 8920 8921 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8922 PackageParser.Package update, UserHandle user) { 8923 if (existing.applicationInfo == null || update.applicationInfo == null) { 8924 // This isn't due to an app installation. 8925 return; 8926 } 8927 8928 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8929 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8930 8931 // The codePath hasn't changed, so there's nothing for us to do. 8932 if (Objects.equals(oldCodePath, newCodePath)) { 8933 return; 8934 } 8935 8936 File canonicalNewCodePath; 8937 try { 8938 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8939 } catch (IOException e) { 8940 Slog.w(TAG, "Failed to get canonical path.", e); 8941 return; 8942 } 8943 8944 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8945 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8946 // that the last component of the path (i.e, the name) doesn't need canonicalization 8947 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8948 // but may change in the future. Hopefully this function won't exist at that point. 8949 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8950 oldCodePath.getName()); 8951 8952 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8953 // with "@". 8954 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8955 if (!oldMarkerPrefix.endsWith("@")) { 8956 oldMarkerPrefix += "@"; 8957 } 8958 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8959 if (!newMarkerPrefix.endsWith("@")) { 8960 newMarkerPrefix += "@"; 8961 } 8962 8963 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8964 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8965 for (String updatedPath : updatedPaths) { 8966 String updatedPathName = new File(updatedPath).getName(); 8967 markerSuffixes.add(updatedPathName.replace('/', '@')); 8968 } 8969 8970 for (int userId : resolveUserIds(user.getIdentifier())) { 8971 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 8972 8973 for (String markerSuffix : markerSuffixes) { 8974 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 8975 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 8976 if (oldForeignUseMark.exists()) { 8977 try { 8978 Os.rename(oldForeignUseMark.getAbsolutePath(), 8979 newForeignUseMark.getAbsolutePath()); 8980 } catch (ErrnoException e) { 8981 Slog.w(TAG, "Failed to rename foreign use marker", e); 8982 oldForeignUseMark.delete(); 8983 } 8984 } 8985 } 8986 } 8987 } 8988 8989 /** 8990 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8991 * is derived purely on the basis of the contents of {@code scanFile} and 8992 * {@code cpuAbiOverride}. 8993 * 8994 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8995 */ 8996 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8997 String cpuAbiOverride, boolean extractLibs) 8998 throws PackageManagerException { 8999 // TODO: We can probably be smarter about this stuff. For installed apps, 9000 // we can calculate this information at install time once and for all. For 9001 // system apps, we can probably assume that this information doesn't change 9002 // after the first boot scan. As things stand, we do lots of unnecessary work. 9003 9004 // Give ourselves some initial paths; we'll come back for another 9005 // pass once we've determined ABI below. 9006 setNativeLibraryPaths(pkg); 9007 9008 // We would never need to extract libs for forward-locked and external packages, 9009 // since the container service will do it for us. We shouldn't attempt to 9010 // extract libs from system app when it was not updated. 9011 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9012 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9013 extractLibs = false; 9014 } 9015 9016 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9017 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9018 9019 NativeLibraryHelper.Handle handle = null; 9020 try { 9021 handle = NativeLibraryHelper.Handle.create(pkg); 9022 // TODO(multiArch): This can be null for apps that didn't go through the 9023 // usual installation process. We can calculate it again, like we 9024 // do during install time. 9025 // 9026 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9027 // unnecessary. 9028 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9029 9030 // Null out the abis so that they can be recalculated. 9031 pkg.applicationInfo.primaryCpuAbi = null; 9032 pkg.applicationInfo.secondaryCpuAbi = null; 9033 if (isMultiArch(pkg.applicationInfo)) { 9034 // Warn if we've set an abiOverride for multi-lib packages.. 9035 // By definition, we need to copy both 32 and 64 bit libraries for 9036 // such packages. 9037 if (pkg.cpuAbiOverride != null 9038 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9039 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9040 } 9041 9042 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9043 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9044 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9045 if (extractLibs) { 9046 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9047 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9048 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9049 useIsaSpecificSubdirs); 9050 } else { 9051 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9052 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9053 } 9054 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9055 } 9056 9057 maybeThrowExceptionForMultiArchCopy( 9058 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9059 9060 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9061 if (extractLibs) { 9062 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9063 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9064 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9065 useIsaSpecificSubdirs); 9066 } else { 9067 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9068 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9069 } 9070 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9071 } 9072 9073 maybeThrowExceptionForMultiArchCopy( 9074 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9075 9076 if (abi64 >= 0) { 9077 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9078 } 9079 9080 if (abi32 >= 0) { 9081 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9082 if (abi64 >= 0) { 9083 if (pkg.use32bitAbi) { 9084 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9085 pkg.applicationInfo.primaryCpuAbi = abi; 9086 } else { 9087 pkg.applicationInfo.secondaryCpuAbi = abi; 9088 } 9089 } else { 9090 pkg.applicationInfo.primaryCpuAbi = abi; 9091 } 9092 } 9093 9094 } else { 9095 String[] abiList = (cpuAbiOverride != null) ? 9096 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9097 9098 // Enable gross and lame hacks for apps that are built with old 9099 // SDK tools. We must scan their APKs for renderscript bitcode and 9100 // not launch them if it's present. Don't bother checking on devices 9101 // that don't have 64 bit support. 9102 boolean needsRenderScriptOverride = false; 9103 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9104 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9105 abiList = Build.SUPPORTED_32_BIT_ABIS; 9106 needsRenderScriptOverride = true; 9107 } 9108 9109 final int copyRet; 9110 if (extractLibs) { 9111 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9112 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9113 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9114 } else { 9115 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9116 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9117 } 9118 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9119 9120 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9121 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9122 "Error unpackaging native libs for app, errorCode=" + copyRet); 9123 } 9124 9125 if (copyRet >= 0) { 9126 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9127 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9128 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9129 } else if (needsRenderScriptOverride) { 9130 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9131 } 9132 } 9133 } catch (IOException ioe) { 9134 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9135 } finally { 9136 IoUtils.closeQuietly(handle); 9137 } 9138 9139 // Now that we've calculated the ABIs and determined if it's an internal app, 9140 // we will go ahead and populate the nativeLibraryPath. 9141 setNativeLibraryPaths(pkg); 9142 } 9143 9144 /** 9145 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9146 * i.e, so that all packages can be run inside a single process if required. 9147 * 9148 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9149 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9150 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9151 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9152 * updating a package that belongs to a shared user. 9153 * 9154 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9155 * adds unnecessary complexity. 9156 */ 9157 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9158 PackageParser.Package scannedPackage, boolean bootComplete) { 9159 String requiredInstructionSet = null; 9160 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9161 requiredInstructionSet = VMRuntime.getInstructionSet( 9162 scannedPackage.applicationInfo.primaryCpuAbi); 9163 } 9164 9165 PackageSetting requirer = null; 9166 for (PackageSetting ps : packagesForUser) { 9167 // If packagesForUser contains scannedPackage, we skip it. This will happen 9168 // when scannedPackage is an update of an existing package. Without this check, 9169 // we will never be able to change the ABI of any package belonging to a shared 9170 // user, even if it's compatible with other packages. 9171 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9172 if (ps.primaryCpuAbiString == null) { 9173 continue; 9174 } 9175 9176 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9177 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9178 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9179 // this but there's not much we can do. 9180 String errorMessage = "Instruction set mismatch, " 9181 + ((requirer == null) ? "[caller]" : requirer) 9182 + " requires " + requiredInstructionSet + " whereas " + ps 9183 + " requires " + instructionSet; 9184 Slog.w(TAG, errorMessage); 9185 } 9186 9187 if (requiredInstructionSet == null) { 9188 requiredInstructionSet = instructionSet; 9189 requirer = ps; 9190 } 9191 } 9192 } 9193 9194 if (requiredInstructionSet != null) { 9195 String adjustedAbi; 9196 if (requirer != null) { 9197 // requirer != null implies that either scannedPackage was null or that scannedPackage 9198 // did not require an ABI, in which case we have to adjust scannedPackage to match 9199 // the ABI of the set (which is the same as requirer's ABI) 9200 adjustedAbi = requirer.primaryCpuAbiString; 9201 if (scannedPackage != null) { 9202 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9203 } 9204 } else { 9205 // requirer == null implies that we're updating all ABIs in the set to 9206 // match scannedPackage. 9207 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9208 } 9209 9210 for (PackageSetting ps : packagesForUser) { 9211 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9212 if (ps.primaryCpuAbiString != null) { 9213 continue; 9214 } 9215 9216 ps.primaryCpuAbiString = adjustedAbi; 9217 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9218 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9219 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9220 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9221 + " (requirer=" 9222 + (requirer == null ? "null" : requirer.pkg.packageName) 9223 + ", scannedPackage=" 9224 + (scannedPackage != null ? scannedPackage.packageName : "null") 9225 + ")"); 9226 try { 9227 mInstaller.rmdex(ps.codePathString, 9228 getDexCodeInstructionSet(getPreferredInstructionSet())); 9229 } catch (InstallerException ignored) { 9230 } 9231 } 9232 } 9233 } 9234 } 9235 } 9236 9237 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9238 synchronized (mPackages) { 9239 mResolverReplaced = true; 9240 // Set up information for custom user intent resolution activity. 9241 mResolveActivity.applicationInfo = pkg.applicationInfo; 9242 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9243 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9244 mResolveActivity.processName = pkg.applicationInfo.packageName; 9245 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9246 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9247 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9248 mResolveActivity.theme = 0; 9249 mResolveActivity.exported = true; 9250 mResolveActivity.enabled = true; 9251 mResolveInfo.activityInfo = mResolveActivity; 9252 mResolveInfo.priority = 0; 9253 mResolveInfo.preferredOrder = 0; 9254 mResolveInfo.match = 0; 9255 mResolveComponentName = mCustomResolverComponentName; 9256 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9257 mResolveComponentName); 9258 } 9259 } 9260 9261 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9262 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9263 9264 // Set up information for ephemeral installer activity 9265 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9266 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9267 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9268 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9269 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9270 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9271 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9272 mEphemeralInstallerActivity.theme = 0; 9273 mEphemeralInstallerActivity.exported = true; 9274 mEphemeralInstallerActivity.enabled = true; 9275 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9276 mEphemeralInstallerInfo.priority = 0; 9277 mEphemeralInstallerInfo.preferredOrder = 1; 9278 mEphemeralInstallerInfo.isDefault = true; 9279 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9280 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9281 9282 if (DEBUG_EPHEMERAL) { 9283 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9284 } 9285 } 9286 9287 private static String calculateBundledApkRoot(final String codePathString) { 9288 final File codePath = new File(codePathString); 9289 final File codeRoot; 9290 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9291 codeRoot = Environment.getRootDirectory(); 9292 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9293 codeRoot = Environment.getOemDirectory(); 9294 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9295 codeRoot = Environment.getVendorDirectory(); 9296 } else { 9297 // Unrecognized code path; take its top real segment as the apk root: 9298 // e.g. /something/app/blah.apk => /something 9299 try { 9300 File f = codePath.getCanonicalFile(); 9301 File parent = f.getParentFile(); // non-null because codePath is a file 9302 File tmp; 9303 while ((tmp = parent.getParentFile()) != null) { 9304 f = parent; 9305 parent = tmp; 9306 } 9307 codeRoot = f; 9308 Slog.w(TAG, "Unrecognized code path " 9309 + codePath + " - using " + codeRoot); 9310 } catch (IOException e) { 9311 // Can't canonicalize the code path -- shenanigans? 9312 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9313 return Environment.getRootDirectory().getPath(); 9314 } 9315 } 9316 return codeRoot.getPath(); 9317 } 9318 9319 /** 9320 * Derive and set the location of native libraries for the given package, 9321 * which varies depending on where and how the package was installed. 9322 */ 9323 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9324 final ApplicationInfo info = pkg.applicationInfo; 9325 final String codePath = pkg.codePath; 9326 final File codeFile = new File(codePath); 9327 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9328 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9329 9330 info.nativeLibraryRootDir = null; 9331 info.nativeLibraryRootRequiresIsa = false; 9332 info.nativeLibraryDir = null; 9333 info.secondaryNativeLibraryDir = null; 9334 9335 if (isApkFile(codeFile)) { 9336 // Monolithic install 9337 if (bundledApp) { 9338 // If "/system/lib64/apkname" exists, assume that is the per-package 9339 // native library directory to use; otherwise use "/system/lib/apkname". 9340 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9341 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9342 getPrimaryInstructionSet(info)); 9343 9344 // This is a bundled system app so choose the path based on the ABI. 9345 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9346 // is just the default path. 9347 final String apkName = deriveCodePathName(codePath); 9348 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9349 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9350 apkName).getAbsolutePath(); 9351 9352 if (info.secondaryCpuAbi != null) { 9353 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9354 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9355 secondaryLibDir, apkName).getAbsolutePath(); 9356 } 9357 } else if (asecApp) { 9358 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9359 .getAbsolutePath(); 9360 } else { 9361 final String apkName = deriveCodePathName(codePath); 9362 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9363 .getAbsolutePath(); 9364 } 9365 9366 info.nativeLibraryRootRequiresIsa = false; 9367 info.nativeLibraryDir = info.nativeLibraryRootDir; 9368 } else { 9369 // Cluster install 9370 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9371 info.nativeLibraryRootRequiresIsa = true; 9372 9373 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9374 getPrimaryInstructionSet(info)).getAbsolutePath(); 9375 9376 if (info.secondaryCpuAbi != null) { 9377 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9378 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9379 } 9380 } 9381 } 9382 9383 /** 9384 * Calculate the abis and roots for a bundled app. These can uniquely 9385 * be determined from the contents of the system partition, i.e whether 9386 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9387 * of this information, and instead assume that the system was built 9388 * sensibly. 9389 */ 9390 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9391 PackageSetting pkgSetting) { 9392 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9393 9394 // If "/system/lib64/apkname" exists, assume that is the per-package 9395 // native library directory to use; otherwise use "/system/lib/apkname". 9396 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9397 setBundledAppAbi(pkg, apkRoot, apkName); 9398 // pkgSetting might be null during rescan following uninstall of updates 9399 // to a bundled app, so accommodate that possibility. The settings in 9400 // that case will be established later from the parsed package. 9401 // 9402 // If the settings aren't null, sync them up with what we've just derived. 9403 // note that apkRoot isn't stored in the package settings. 9404 if (pkgSetting != null) { 9405 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9406 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9407 } 9408 } 9409 9410 /** 9411 * Deduces the ABI of a bundled app and sets the relevant fields on the 9412 * parsed pkg object. 9413 * 9414 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9415 * under which system libraries are installed. 9416 * @param apkName the name of the installed package. 9417 */ 9418 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9419 final File codeFile = new File(pkg.codePath); 9420 9421 final boolean has64BitLibs; 9422 final boolean has32BitLibs; 9423 if (isApkFile(codeFile)) { 9424 // Monolithic install 9425 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9426 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9427 } else { 9428 // Cluster install 9429 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9430 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9431 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9432 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9433 has64BitLibs = (new File(rootDir, isa)).exists(); 9434 } else { 9435 has64BitLibs = false; 9436 } 9437 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9438 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9439 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9440 has32BitLibs = (new File(rootDir, isa)).exists(); 9441 } else { 9442 has32BitLibs = false; 9443 } 9444 } 9445 9446 if (has64BitLibs && !has32BitLibs) { 9447 // The package has 64 bit libs, but not 32 bit libs. Its primary 9448 // ABI should be 64 bit. We can safely assume here that the bundled 9449 // native libraries correspond to the most preferred ABI in the list. 9450 9451 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9452 pkg.applicationInfo.secondaryCpuAbi = null; 9453 } else if (has32BitLibs && !has64BitLibs) { 9454 // The package has 32 bit libs but not 64 bit libs. Its primary 9455 // ABI should be 32 bit. 9456 9457 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9458 pkg.applicationInfo.secondaryCpuAbi = null; 9459 } else if (has32BitLibs && has64BitLibs) { 9460 // The application has both 64 and 32 bit bundled libraries. We check 9461 // here that the app declares multiArch support, and warn if it doesn't. 9462 // 9463 // We will be lenient here and record both ABIs. The primary will be the 9464 // ABI that's higher on the list, i.e, a device that's configured to prefer 9465 // 64 bit apps will see a 64 bit primary ABI, 9466 9467 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9468 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9469 } 9470 9471 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9472 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9473 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9474 } else { 9475 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9476 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9477 } 9478 } else { 9479 pkg.applicationInfo.primaryCpuAbi = null; 9480 pkg.applicationInfo.secondaryCpuAbi = null; 9481 } 9482 } 9483 9484 private void killApplication(String pkgName, int appId, String reason) { 9485 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9486 } 9487 9488 private void killApplication(String pkgName, int appId, int userId, String reason) { 9489 // Request the ActivityManager to kill the process(only for existing packages) 9490 // so that we do not end up in a confused state while the user is still using the older 9491 // version of the application while the new one gets installed. 9492 final long token = Binder.clearCallingIdentity(); 9493 try { 9494 IActivityManager am = ActivityManagerNative.getDefault(); 9495 if (am != null) { 9496 try { 9497 am.killApplication(pkgName, appId, userId, reason); 9498 } catch (RemoteException e) { 9499 } 9500 } 9501 } finally { 9502 Binder.restoreCallingIdentity(token); 9503 } 9504 } 9505 9506 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9507 // Remove the parent package setting 9508 PackageSetting ps = (PackageSetting) pkg.mExtras; 9509 if (ps != null) { 9510 removePackageLI(ps, chatty); 9511 } 9512 // Remove the child package setting 9513 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9514 for (int i = 0; i < childCount; i++) { 9515 PackageParser.Package childPkg = pkg.childPackages.get(i); 9516 ps = (PackageSetting) childPkg.mExtras; 9517 if (ps != null) { 9518 removePackageLI(ps, chatty); 9519 } 9520 } 9521 } 9522 9523 void removePackageLI(PackageSetting ps, boolean chatty) { 9524 if (DEBUG_INSTALL) { 9525 if (chatty) 9526 Log.d(TAG, "Removing package " + ps.name); 9527 } 9528 9529 // writer 9530 synchronized (mPackages) { 9531 mPackages.remove(ps.name); 9532 final PackageParser.Package pkg = ps.pkg; 9533 if (pkg != null) { 9534 cleanPackageDataStructuresLILPw(pkg, chatty); 9535 } 9536 } 9537 } 9538 9539 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9540 if (DEBUG_INSTALL) { 9541 if (chatty) 9542 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9543 } 9544 9545 // writer 9546 synchronized (mPackages) { 9547 // Remove the parent package 9548 mPackages.remove(pkg.applicationInfo.packageName); 9549 cleanPackageDataStructuresLILPw(pkg, chatty); 9550 9551 // Remove the child packages 9552 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9553 for (int i = 0; i < childCount; i++) { 9554 PackageParser.Package childPkg = pkg.childPackages.get(i); 9555 mPackages.remove(childPkg.applicationInfo.packageName); 9556 cleanPackageDataStructuresLILPw(childPkg, chatty); 9557 } 9558 } 9559 } 9560 9561 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9562 int N = pkg.providers.size(); 9563 StringBuilder r = null; 9564 int i; 9565 for (i=0; i<N; i++) { 9566 PackageParser.Provider p = pkg.providers.get(i); 9567 mProviders.removeProvider(p); 9568 if (p.info.authority == null) { 9569 9570 /* There was another ContentProvider with this authority when 9571 * this app was installed so this authority is null, 9572 * Ignore it as we don't have to unregister the provider. 9573 */ 9574 continue; 9575 } 9576 String names[] = p.info.authority.split(";"); 9577 for (int j = 0; j < names.length; j++) { 9578 if (mProvidersByAuthority.get(names[j]) == p) { 9579 mProvidersByAuthority.remove(names[j]); 9580 if (DEBUG_REMOVE) { 9581 if (chatty) 9582 Log.d(TAG, "Unregistered content provider: " + names[j] 9583 + ", className = " + p.info.name + ", isSyncable = " 9584 + p.info.isSyncable); 9585 } 9586 } 9587 } 9588 if (DEBUG_REMOVE && chatty) { 9589 if (r == null) { 9590 r = new StringBuilder(256); 9591 } else { 9592 r.append(' '); 9593 } 9594 r.append(p.info.name); 9595 } 9596 } 9597 if (r != null) { 9598 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9599 } 9600 9601 N = pkg.services.size(); 9602 r = null; 9603 for (i=0; i<N; i++) { 9604 PackageParser.Service s = pkg.services.get(i); 9605 mServices.removeService(s); 9606 if (chatty) { 9607 if (r == null) { 9608 r = new StringBuilder(256); 9609 } else { 9610 r.append(' '); 9611 } 9612 r.append(s.info.name); 9613 } 9614 } 9615 if (r != null) { 9616 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9617 } 9618 9619 N = pkg.receivers.size(); 9620 r = null; 9621 for (i=0; i<N; i++) { 9622 PackageParser.Activity a = pkg.receivers.get(i); 9623 mReceivers.removeActivity(a, "receiver"); 9624 if (DEBUG_REMOVE && chatty) { 9625 if (r == null) { 9626 r = new StringBuilder(256); 9627 } else { 9628 r.append(' '); 9629 } 9630 r.append(a.info.name); 9631 } 9632 } 9633 if (r != null) { 9634 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9635 } 9636 9637 N = pkg.activities.size(); 9638 r = null; 9639 for (i=0; i<N; i++) { 9640 PackageParser.Activity a = pkg.activities.get(i); 9641 mActivities.removeActivity(a, "activity"); 9642 if (DEBUG_REMOVE && chatty) { 9643 if (r == null) { 9644 r = new StringBuilder(256); 9645 } else { 9646 r.append(' '); 9647 } 9648 r.append(a.info.name); 9649 } 9650 } 9651 if (r != null) { 9652 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9653 } 9654 9655 N = pkg.permissions.size(); 9656 r = null; 9657 for (i=0; i<N; i++) { 9658 PackageParser.Permission p = pkg.permissions.get(i); 9659 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9660 if (bp == null) { 9661 bp = mSettings.mPermissionTrees.get(p.info.name); 9662 } 9663 if (bp != null && bp.perm == p) { 9664 bp.perm = null; 9665 if (DEBUG_REMOVE && chatty) { 9666 if (r == null) { 9667 r = new StringBuilder(256); 9668 } else { 9669 r.append(' '); 9670 } 9671 r.append(p.info.name); 9672 } 9673 } 9674 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9675 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9676 if (appOpPkgs != null) { 9677 appOpPkgs.remove(pkg.packageName); 9678 } 9679 } 9680 } 9681 if (r != null) { 9682 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9683 } 9684 9685 N = pkg.requestedPermissions.size(); 9686 r = null; 9687 for (i=0; i<N; i++) { 9688 String perm = pkg.requestedPermissions.get(i); 9689 BasePermission bp = mSettings.mPermissions.get(perm); 9690 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9691 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9692 if (appOpPkgs != null) { 9693 appOpPkgs.remove(pkg.packageName); 9694 if (appOpPkgs.isEmpty()) { 9695 mAppOpPermissionPackages.remove(perm); 9696 } 9697 } 9698 } 9699 } 9700 if (r != null) { 9701 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9702 } 9703 9704 N = pkg.instrumentation.size(); 9705 r = null; 9706 for (i=0; i<N; i++) { 9707 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9708 mInstrumentation.remove(a.getComponentName()); 9709 if (DEBUG_REMOVE && chatty) { 9710 if (r == null) { 9711 r = new StringBuilder(256); 9712 } else { 9713 r.append(' '); 9714 } 9715 r.append(a.info.name); 9716 } 9717 } 9718 if (r != null) { 9719 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9720 } 9721 9722 r = null; 9723 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9724 // Only system apps can hold shared libraries. 9725 if (pkg.libraryNames != null) { 9726 for (i=0; i<pkg.libraryNames.size(); i++) { 9727 String name = pkg.libraryNames.get(i); 9728 SharedLibraryEntry cur = mSharedLibraries.get(name); 9729 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9730 mSharedLibraries.remove(name); 9731 if (DEBUG_REMOVE && chatty) { 9732 if (r == null) { 9733 r = new StringBuilder(256); 9734 } else { 9735 r.append(' '); 9736 } 9737 r.append(name); 9738 } 9739 } 9740 } 9741 } 9742 } 9743 if (r != null) { 9744 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9745 } 9746 } 9747 9748 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9749 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9750 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9751 return true; 9752 } 9753 } 9754 return false; 9755 } 9756 9757 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9758 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9759 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9760 9761 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9762 // Update the parent permissions 9763 updatePermissionsLPw(pkg.packageName, pkg, flags); 9764 // Update the child permissions 9765 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9766 for (int i = 0; i < childCount; i++) { 9767 PackageParser.Package childPkg = pkg.childPackages.get(i); 9768 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9769 } 9770 } 9771 9772 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9773 int flags) { 9774 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9775 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9776 } 9777 9778 private void updatePermissionsLPw(String changingPkg, 9779 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9780 // Make sure there are no dangling permission trees. 9781 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9782 while (it.hasNext()) { 9783 final BasePermission bp = it.next(); 9784 if (bp.packageSetting == null) { 9785 // We may not yet have parsed the package, so just see if 9786 // we still know about its settings. 9787 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9788 } 9789 if (bp.packageSetting == null) { 9790 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9791 + " from package " + bp.sourcePackage); 9792 it.remove(); 9793 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9794 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9795 Slog.i(TAG, "Removing old permission tree: " + bp.name 9796 + " from package " + bp.sourcePackage); 9797 flags |= UPDATE_PERMISSIONS_ALL; 9798 it.remove(); 9799 } 9800 } 9801 } 9802 9803 // Make sure all dynamic permissions have been assigned to a package, 9804 // and make sure there are no dangling permissions. 9805 it = mSettings.mPermissions.values().iterator(); 9806 while (it.hasNext()) { 9807 final BasePermission bp = it.next(); 9808 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9809 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9810 + bp.name + " pkg=" + bp.sourcePackage 9811 + " info=" + bp.pendingInfo); 9812 if (bp.packageSetting == null && bp.pendingInfo != null) { 9813 final BasePermission tree = findPermissionTreeLP(bp.name); 9814 if (tree != null && tree.perm != null) { 9815 bp.packageSetting = tree.packageSetting; 9816 bp.perm = new PackageParser.Permission(tree.perm.owner, 9817 new PermissionInfo(bp.pendingInfo)); 9818 bp.perm.info.packageName = tree.perm.info.packageName; 9819 bp.perm.info.name = bp.name; 9820 bp.uid = tree.uid; 9821 } 9822 } 9823 } 9824 if (bp.packageSetting == null) { 9825 // We may not yet have parsed the package, so just see if 9826 // we still know about its settings. 9827 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9828 } 9829 if (bp.packageSetting == null) { 9830 Slog.w(TAG, "Removing dangling permission: " + bp.name 9831 + " from package " + bp.sourcePackage); 9832 it.remove(); 9833 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9834 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9835 Slog.i(TAG, "Removing old permission: " + bp.name 9836 + " from package " + bp.sourcePackage); 9837 flags |= UPDATE_PERMISSIONS_ALL; 9838 it.remove(); 9839 } 9840 } 9841 } 9842 9843 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9844 // Now update the permissions for all packages, in particular 9845 // replace the granted permissions of the system packages. 9846 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9847 for (PackageParser.Package pkg : mPackages.values()) { 9848 if (pkg != pkgInfo) { 9849 // Only replace for packages on requested volume 9850 final String volumeUuid = getVolumeUuidForPackage(pkg); 9851 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9852 && Objects.equals(replaceVolumeUuid, volumeUuid); 9853 grantPermissionsLPw(pkg, replace, changingPkg); 9854 } 9855 } 9856 } 9857 9858 if (pkgInfo != null) { 9859 // Only replace for packages on requested volume 9860 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9861 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9862 && Objects.equals(replaceVolumeUuid, volumeUuid); 9863 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9864 } 9865 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9866 } 9867 9868 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9869 String packageOfInterest) { 9870 // IMPORTANT: There are two types of permissions: install and runtime. 9871 // Install time permissions are granted when the app is installed to 9872 // all device users and users added in the future. Runtime permissions 9873 // are granted at runtime explicitly to specific users. Normal and signature 9874 // protected permissions are install time permissions. Dangerous permissions 9875 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9876 // otherwise they are runtime permissions. This function does not manage 9877 // runtime permissions except for the case an app targeting Lollipop MR1 9878 // being upgraded to target a newer SDK, in which case dangerous permissions 9879 // are transformed from install time to runtime ones. 9880 9881 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9882 if (ps == null) { 9883 return; 9884 } 9885 9886 PermissionsState permissionsState = ps.getPermissionsState(); 9887 PermissionsState origPermissions = permissionsState; 9888 9889 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9890 9891 boolean runtimePermissionsRevoked = false; 9892 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9893 9894 boolean changedInstallPermission = false; 9895 9896 if (replace) { 9897 ps.installPermissionsFixed = false; 9898 if (!ps.isSharedUser()) { 9899 origPermissions = new PermissionsState(permissionsState); 9900 permissionsState.reset(); 9901 } else { 9902 // We need to know only about runtime permission changes since the 9903 // calling code always writes the install permissions state but 9904 // the runtime ones are written only if changed. The only cases of 9905 // changed runtime permissions here are promotion of an install to 9906 // runtime and revocation of a runtime from a shared user. 9907 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9908 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9909 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9910 runtimePermissionsRevoked = true; 9911 } 9912 } 9913 } 9914 9915 permissionsState.setGlobalGids(mGlobalGids); 9916 9917 final int N = pkg.requestedPermissions.size(); 9918 for (int i=0; i<N; i++) { 9919 final String name = pkg.requestedPermissions.get(i); 9920 final BasePermission bp = mSettings.mPermissions.get(name); 9921 9922 if (DEBUG_INSTALL) { 9923 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9924 } 9925 9926 if (bp == null || bp.packageSetting == null) { 9927 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9928 Slog.w(TAG, "Unknown permission " + name 9929 + " in package " + pkg.packageName); 9930 } 9931 continue; 9932 } 9933 9934 final String perm = bp.name; 9935 boolean allowedSig = false; 9936 int grant = GRANT_DENIED; 9937 9938 // Keep track of app op permissions. 9939 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9940 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9941 if (pkgs == null) { 9942 pkgs = new ArraySet<>(); 9943 mAppOpPermissionPackages.put(bp.name, pkgs); 9944 } 9945 pkgs.add(pkg.packageName); 9946 } 9947 9948 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9949 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9950 >= Build.VERSION_CODES.M; 9951 switch (level) { 9952 case PermissionInfo.PROTECTION_NORMAL: { 9953 // For all apps normal permissions are install time ones. 9954 grant = GRANT_INSTALL; 9955 } break; 9956 9957 case PermissionInfo.PROTECTION_DANGEROUS: { 9958 // If a permission review is required for legacy apps we represent 9959 // their permissions as always granted runtime ones since we need 9960 // to keep the review required permission flag per user while an 9961 // install permission's state is shared across all users. 9962 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 9963 // For legacy apps dangerous permissions are install time ones. 9964 grant = GRANT_INSTALL; 9965 } else if (origPermissions.hasInstallPermission(bp.name)) { 9966 // For legacy apps that became modern, install becomes runtime. 9967 grant = GRANT_UPGRADE; 9968 } else if (mPromoteSystemApps 9969 && isSystemApp(ps) 9970 && mExistingSystemPackages.contains(ps.name)) { 9971 // For legacy system apps, install becomes runtime. 9972 // We cannot check hasInstallPermission() for system apps since those 9973 // permissions were granted implicitly and not persisted pre-M. 9974 grant = GRANT_UPGRADE; 9975 } else { 9976 // For modern apps keep runtime permissions unchanged. 9977 grant = GRANT_RUNTIME; 9978 } 9979 } break; 9980 9981 case PermissionInfo.PROTECTION_SIGNATURE: { 9982 // For all apps signature permissions are install time ones. 9983 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9984 if (allowedSig) { 9985 grant = GRANT_INSTALL; 9986 } 9987 } break; 9988 } 9989 9990 if (DEBUG_INSTALL) { 9991 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9992 } 9993 9994 if (grant != GRANT_DENIED) { 9995 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9996 // If this is an existing, non-system package, then 9997 // we can't add any new permissions to it. 9998 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9999 // Except... if this is a permission that was added 10000 // to the platform (note: need to only do this when 10001 // updating the platform). 10002 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10003 grant = GRANT_DENIED; 10004 } 10005 } 10006 } 10007 10008 switch (grant) { 10009 case GRANT_INSTALL: { 10010 // Revoke this as runtime permission to handle the case of 10011 // a runtime permission being downgraded to an install one. 10012 // Also in permission review mode we keep dangerous permissions 10013 // for legacy apps 10014 for (int userId : UserManagerService.getInstance().getUserIds()) { 10015 if (origPermissions.getRuntimePermissionState( 10016 bp.name, userId) != null) { 10017 // Revoke the runtime permission and clear the flags. 10018 origPermissions.revokeRuntimePermission(bp, userId); 10019 origPermissions.updatePermissionFlags(bp, userId, 10020 PackageManager.MASK_PERMISSION_FLAGS, 0); 10021 // If we revoked a permission permission, we have to write. 10022 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10023 changedRuntimePermissionUserIds, userId); 10024 } 10025 } 10026 // Grant an install permission. 10027 if (permissionsState.grantInstallPermission(bp) != 10028 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10029 changedInstallPermission = true; 10030 } 10031 } break; 10032 10033 case GRANT_RUNTIME: { 10034 // Grant previously granted runtime permissions. 10035 for (int userId : UserManagerService.getInstance().getUserIds()) { 10036 PermissionState permissionState = origPermissions 10037 .getRuntimePermissionState(bp.name, userId); 10038 int flags = permissionState != null 10039 ? permissionState.getFlags() : 0; 10040 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10041 if (permissionsState.grantRuntimePermission(bp, userId) == 10042 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10043 // If we cannot put the permission as it was, we have to write. 10044 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10045 changedRuntimePermissionUserIds, userId); 10046 } 10047 // If the app supports runtime permissions no need for a review. 10048 if (mPermissionReviewRequired 10049 && appSupportsRuntimePermissions 10050 && (flags & PackageManager 10051 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10052 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10053 // Since we changed the flags, we have to write. 10054 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10055 changedRuntimePermissionUserIds, userId); 10056 } 10057 } else if (mPermissionReviewRequired 10058 && !appSupportsRuntimePermissions) { 10059 // For legacy apps that need a permission review, every new 10060 // runtime permission is granted but it is pending a review. 10061 // We also need to review only platform defined runtime 10062 // permissions as these are the only ones the platform knows 10063 // how to disable the API to simulate revocation as legacy 10064 // apps don't expect to run with revoked permissions. 10065 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10066 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10067 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10068 // We changed the flags, hence have to write. 10069 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10070 changedRuntimePermissionUserIds, userId); 10071 } 10072 } 10073 if (permissionsState.grantRuntimePermission(bp, userId) 10074 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10075 // We changed the permission, hence have to write. 10076 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10077 changedRuntimePermissionUserIds, userId); 10078 } 10079 } 10080 // Propagate the permission flags. 10081 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10082 } 10083 } break; 10084 10085 case GRANT_UPGRADE: { 10086 // Grant runtime permissions for a previously held install permission. 10087 PermissionState permissionState = origPermissions 10088 .getInstallPermissionState(bp.name); 10089 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10090 10091 if (origPermissions.revokeInstallPermission(bp) 10092 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10093 // We will be transferring the permission flags, so clear them. 10094 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10095 PackageManager.MASK_PERMISSION_FLAGS, 0); 10096 changedInstallPermission = true; 10097 } 10098 10099 // If the permission is not to be promoted to runtime we ignore it and 10100 // also its other flags as they are not applicable to install permissions. 10101 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10102 for (int userId : currentUserIds) { 10103 if (permissionsState.grantRuntimePermission(bp, userId) != 10104 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10105 // Transfer the permission flags. 10106 permissionsState.updatePermissionFlags(bp, userId, 10107 flags, flags); 10108 // If we granted the permission, we have to write. 10109 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10110 changedRuntimePermissionUserIds, userId); 10111 } 10112 } 10113 } 10114 } break; 10115 10116 default: { 10117 if (packageOfInterest == null 10118 || packageOfInterest.equals(pkg.packageName)) { 10119 Slog.w(TAG, "Not granting permission " + perm 10120 + " to package " + pkg.packageName 10121 + " because it was previously installed without"); 10122 } 10123 } break; 10124 } 10125 } else { 10126 if (permissionsState.revokeInstallPermission(bp) != 10127 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10128 // Also drop the permission flags. 10129 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10130 PackageManager.MASK_PERMISSION_FLAGS, 0); 10131 changedInstallPermission = true; 10132 Slog.i(TAG, "Un-granting permission " + perm 10133 + " from package " + pkg.packageName 10134 + " (protectionLevel=" + bp.protectionLevel 10135 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10136 + ")"); 10137 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10138 // Don't print warning for app op permissions, since it is fine for them 10139 // not to be granted, there is a UI for the user to decide. 10140 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10141 Slog.w(TAG, "Not granting permission " + perm 10142 + " to package " + pkg.packageName 10143 + " (protectionLevel=" + bp.protectionLevel 10144 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10145 + ")"); 10146 } 10147 } 10148 } 10149 } 10150 10151 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10152 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10153 // This is the first that we have heard about this package, so the 10154 // permissions we have now selected are fixed until explicitly 10155 // changed. 10156 ps.installPermissionsFixed = true; 10157 } 10158 10159 // Persist the runtime permissions state for users with changes. If permissions 10160 // were revoked because no app in the shared user declares them we have to 10161 // write synchronously to avoid losing runtime permissions state. 10162 for (int userId : changedRuntimePermissionUserIds) { 10163 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10164 } 10165 } 10166 10167 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10168 boolean allowed = false; 10169 final int NP = PackageParser.NEW_PERMISSIONS.length; 10170 for (int ip=0; ip<NP; ip++) { 10171 final PackageParser.NewPermissionInfo npi 10172 = PackageParser.NEW_PERMISSIONS[ip]; 10173 if (npi.name.equals(perm) 10174 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10175 allowed = true; 10176 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10177 + pkg.packageName); 10178 break; 10179 } 10180 } 10181 return allowed; 10182 } 10183 10184 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10185 BasePermission bp, PermissionsState origPermissions) { 10186 boolean allowed; 10187 allowed = (compareSignatures( 10188 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10189 == PackageManager.SIGNATURE_MATCH) 10190 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10191 == PackageManager.SIGNATURE_MATCH); 10192 if (!allowed && (bp.protectionLevel 10193 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10194 if (isSystemApp(pkg)) { 10195 // For updated system applications, a system permission 10196 // is granted only if it had been defined by the original application. 10197 if (pkg.isUpdatedSystemApp()) { 10198 final PackageSetting sysPs = mSettings 10199 .getDisabledSystemPkgLPr(pkg.packageName); 10200 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10201 // If the original was granted this permission, we take 10202 // that grant decision as read and propagate it to the 10203 // update. 10204 if (sysPs.isPrivileged()) { 10205 allowed = true; 10206 } 10207 } else { 10208 // The system apk may have been updated with an older 10209 // version of the one on the data partition, but which 10210 // granted a new system permission that it didn't have 10211 // before. In this case we do want to allow the app to 10212 // now get the new permission if the ancestral apk is 10213 // privileged to get it. 10214 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10215 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10216 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10217 allowed = true; 10218 break; 10219 } 10220 } 10221 } 10222 // Also if a privileged parent package on the system image or any of 10223 // its children requested a privileged permission, the updated child 10224 // packages can also get the permission. 10225 if (pkg.parentPackage != null) { 10226 final PackageSetting disabledSysParentPs = mSettings 10227 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10228 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10229 && disabledSysParentPs.isPrivileged()) { 10230 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10231 allowed = true; 10232 } else if (disabledSysParentPs.pkg.childPackages != null) { 10233 final int count = disabledSysParentPs.pkg.childPackages.size(); 10234 for (int i = 0; i < count; i++) { 10235 PackageParser.Package disabledSysChildPkg = 10236 disabledSysParentPs.pkg.childPackages.get(i); 10237 if (isPackageRequestingPermission(disabledSysChildPkg, 10238 perm)) { 10239 allowed = true; 10240 break; 10241 } 10242 } 10243 } 10244 } 10245 } 10246 } 10247 } else { 10248 allowed = isPrivilegedApp(pkg); 10249 } 10250 } 10251 } 10252 if (!allowed) { 10253 if (!allowed && (bp.protectionLevel 10254 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10255 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10256 // If this was a previously normal/dangerous permission that got moved 10257 // to a system permission as part of the runtime permission redesign, then 10258 // we still want to blindly grant it to old apps. 10259 allowed = true; 10260 } 10261 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10262 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10263 // If this permission is to be granted to the system installer and 10264 // this app is an installer, then it gets the permission. 10265 allowed = true; 10266 } 10267 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10268 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10269 // If this permission is to be granted to the system verifier and 10270 // this app is a verifier, then it gets the permission. 10271 allowed = true; 10272 } 10273 if (!allowed && (bp.protectionLevel 10274 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10275 && isSystemApp(pkg)) { 10276 // Any pre-installed system app is allowed to get this permission. 10277 allowed = true; 10278 } 10279 if (!allowed && (bp.protectionLevel 10280 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10281 // For development permissions, a development permission 10282 // is granted only if it was already granted. 10283 allowed = origPermissions.hasInstallPermission(perm); 10284 } 10285 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10286 && pkg.packageName.equals(mSetupWizardPackage)) { 10287 // If this permission is to be granted to the system setup wizard and 10288 // this app is a setup wizard, then it gets the permission. 10289 allowed = true; 10290 } 10291 } 10292 return allowed; 10293 } 10294 10295 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10296 final int permCount = pkg.requestedPermissions.size(); 10297 for (int j = 0; j < permCount; j++) { 10298 String requestedPermission = pkg.requestedPermissions.get(j); 10299 if (permission.equals(requestedPermission)) { 10300 return true; 10301 } 10302 } 10303 return false; 10304 } 10305 10306 final class ActivityIntentResolver 10307 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10308 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10309 boolean defaultOnly, int userId) { 10310 if (!sUserManager.exists(userId)) return null; 10311 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10312 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10313 } 10314 10315 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10316 int userId) { 10317 if (!sUserManager.exists(userId)) return null; 10318 mFlags = flags; 10319 return super.queryIntent(intent, resolvedType, 10320 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10321 } 10322 10323 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10324 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10325 if (!sUserManager.exists(userId)) return null; 10326 if (packageActivities == null) { 10327 return null; 10328 } 10329 mFlags = flags; 10330 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10331 final int N = packageActivities.size(); 10332 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10333 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10334 10335 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10336 for (int i = 0; i < N; ++i) { 10337 intentFilters = packageActivities.get(i).intents; 10338 if (intentFilters != null && intentFilters.size() > 0) { 10339 PackageParser.ActivityIntentInfo[] array = 10340 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10341 intentFilters.toArray(array); 10342 listCut.add(array); 10343 } 10344 } 10345 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10346 } 10347 10348 /** 10349 * Finds a privileged activity that matches the specified activity names. 10350 */ 10351 private PackageParser.Activity findMatchingActivity( 10352 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10353 for (PackageParser.Activity sysActivity : activityList) { 10354 if (sysActivity.info.name.equals(activityInfo.name)) { 10355 return sysActivity; 10356 } 10357 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10358 return sysActivity; 10359 } 10360 if (sysActivity.info.targetActivity != null) { 10361 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10362 return sysActivity; 10363 } 10364 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10365 return sysActivity; 10366 } 10367 } 10368 } 10369 return null; 10370 } 10371 10372 public class IterGenerator<E> { 10373 public Iterator<E> generate(ActivityIntentInfo info) { 10374 return null; 10375 } 10376 } 10377 10378 public class ActionIterGenerator extends IterGenerator<String> { 10379 @Override 10380 public Iterator<String> generate(ActivityIntentInfo info) { 10381 return info.actionsIterator(); 10382 } 10383 } 10384 10385 public class CategoriesIterGenerator extends IterGenerator<String> { 10386 @Override 10387 public Iterator<String> generate(ActivityIntentInfo info) { 10388 return info.categoriesIterator(); 10389 } 10390 } 10391 10392 public class SchemesIterGenerator extends IterGenerator<String> { 10393 @Override 10394 public Iterator<String> generate(ActivityIntentInfo info) { 10395 return info.schemesIterator(); 10396 } 10397 } 10398 10399 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10400 @Override 10401 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10402 return info.authoritiesIterator(); 10403 } 10404 } 10405 10406 /** 10407 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10408 * MODIFIED. Do not pass in a list that should not be changed. 10409 */ 10410 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10411 IterGenerator<T> generator, Iterator<T> searchIterator) { 10412 // loop through the set of actions; every one must be found in the intent filter 10413 while (searchIterator.hasNext()) { 10414 // we must have at least one filter in the list to consider a match 10415 if (intentList.size() == 0) { 10416 break; 10417 } 10418 10419 final T searchAction = searchIterator.next(); 10420 10421 // loop through the set of intent filters 10422 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10423 while (intentIter.hasNext()) { 10424 final ActivityIntentInfo intentInfo = intentIter.next(); 10425 boolean selectionFound = false; 10426 10427 // loop through the intent filter's selection criteria; at least one 10428 // of them must match the searched criteria 10429 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10430 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10431 final T intentSelection = intentSelectionIter.next(); 10432 if (intentSelection != null && intentSelection.equals(searchAction)) { 10433 selectionFound = true; 10434 break; 10435 } 10436 } 10437 10438 // the selection criteria wasn't found in this filter's set; this filter 10439 // is not a potential match 10440 if (!selectionFound) { 10441 intentIter.remove(); 10442 } 10443 } 10444 } 10445 } 10446 10447 private boolean isProtectedAction(ActivityIntentInfo filter) { 10448 final Iterator<String> actionsIter = filter.actionsIterator(); 10449 while (actionsIter != null && actionsIter.hasNext()) { 10450 final String filterAction = actionsIter.next(); 10451 if (PROTECTED_ACTIONS.contains(filterAction)) { 10452 return true; 10453 } 10454 } 10455 return false; 10456 } 10457 10458 /** 10459 * Adjusts the priority of the given intent filter according to policy. 10460 * <p> 10461 * <ul> 10462 * <li>The priority for non privileged applications is capped to '0'</li> 10463 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10464 * <li>The priority for unbundled updates to privileged applications is capped to the 10465 * priority defined on the system partition</li> 10466 * </ul> 10467 * <p> 10468 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10469 * allowed to obtain any priority on any action. 10470 */ 10471 private void adjustPriority( 10472 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10473 // nothing to do; priority is fine as-is 10474 if (intent.getPriority() <= 0) { 10475 return; 10476 } 10477 10478 final ActivityInfo activityInfo = intent.activity.info; 10479 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10480 10481 final boolean privilegedApp = 10482 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10483 if (!privilegedApp) { 10484 // non-privileged applications can never define a priority >0 10485 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10486 + " package: " + applicationInfo.packageName 10487 + " activity: " + intent.activity.className 10488 + " origPrio: " + intent.getPriority()); 10489 intent.setPriority(0); 10490 return; 10491 } 10492 10493 if (systemActivities == null) { 10494 // the system package is not disabled; we're parsing the system partition 10495 if (isProtectedAction(intent)) { 10496 if (mDeferProtectedFilters) { 10497 // We can't deal with these just yet. No component should ever obtain a 10498 // >0 priority for a protected actions, with ONE exception -- the setup 10499 // wizard. The setup wizard, however, cannot be known until we're able to 10500 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10501 // until all intent filters have been processed. Chicken, meet egg. 10502 // Let the filter temporarily have a high priority and rectify the 10503 // priorities after all system packages have been scanned. 10504 mProtectedFilters.add(intent); 10505 if (DEBUG_FILTERS) { 10506 Slog.i(TAG, "Protected action; save for later;" 10507 + " package: " + applicationInfo.packageName 10508 + " activity: " + intent.activity.className 10509 + " origPrio: " + intent.getPriority()); 10510 } 10511 return; 10512 } else { 10513 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10514 Slog.i(TAG, "No setup wizard;" 10515 + " All protected intents capped to priority 0"); 10516 } 10517 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10518 if (DEBUG_FILTERS) { 10519 Slog.i(TAG, "Found setup wizard;" 10520 + " allow priority " + intent.getPriority() + ";" 10521 + " package: " + intent.activity.info.packageName 10522 + " activity: " + intent.activity.className 10523 + " priority: " + intent.getPriority()); 10524 } 10525 // setup wizard gets whatever it wants 10526 return; 10527 } 10528 Slog.w(TAG, "Protected action; cap priority to 0;" 10529 + " package: " + intent.activity.info.packageName 10530 + " activity: " + intent.activity.className 10531 + " origPrio: " + intent.getPriority()); 10532 intent.setPriority(0); 10533 return; 10534 } 10535 } 10536 // privileged apps on the system image get whatever priority they request 10537 return; 10538 } 10539 10540 // privileged app unbundled update ... try to find the same activity 10541 final PackageParser.Activity foundActivity = 10542 findMatchingActivity(systemActivities, activityInfo); 10543 if (foundActivity == null) { 10544 // this is a new activity; it cannot obtain >0 priority 10545 if (DEBUG_FILTERS) { 10546 Slog.i(TAG, "New activity; cap priority to 0;" 10547 + " package: " + applicationInfo.packageName 10548 + " activity: " + intent.activity.className 10549 + " origPrio: " + intent.getPriority()); 10550 } 10551 intent.setPriority(0); 10552 return; 10553 } 10554 10555 // found activity, now check for filter equivalence 10556 10557 // a shallow copy is enough; we modify the list, not its contents 10558 final List<ActivityIntentInfo> intentListCopy = 10559 new ArrayList<>(foundActivity.intents); 10560 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10561 10562 // find matching action subsets 10563 final Iterator<String> actionsIterator = intent.actionsIterator(); 10564 if (actionsIterator != null) { 10565 getIntentListSubset( 10566 intentListCopy, new ActionIterGenerator(), actionsIterator); 10567 if (intentListCopy.size() == 0) { 10568 // no more intents to match; we're not equivalent 10569 if (DEBUG_FILTERS) { 10570 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10571 + " package: " + applicationInfo.packageName 10572 + " activity: " + intent.activity.className 10573 + " origPrio: " + intent.getPriority()); 10574 } 10575 intent.setPriority(0); 10576 return; 10577 } 10578 } 10579 10580 // find matching category subsets 10581 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10582 if (categoriesIterator != null) { 10583 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10584 categoriesIterator); 10585 if (intentListCopy.size() == 0) { 10586 // no more intents to match; we're not equivalent 10587 if (DEBUG_FILTERS) { 10588 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10589 + " package: " + applicationInfo.packageName 10590 + " activity: " + intent.activity.className 10591 + " origPrio: " + intent.getPriority()); 10592 } 10593 intent.setPriority(0); 10594 return; 10595 } 10596 } 10597 10598 // find matching schemes subsets 10599 final Iterator<String> schemesIterator = intent.schemesIterator(); 10600 if (schemesIterator != null) { 10601 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10602 schemesIterator); 10603 if (intentListCopy.size() == 0) { 10604 // no more intents to match; we're not equivalent 10605 if (DEBUG_FILTERS) { 10606 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10607 + " package: " + applicationInfo.packageName 10608 + " activity: " + intent.activity.className 10609 + " origPrio: " + intent.getPriority()); 10610 } 10611 intent.setPriority(0); 10612 return; 10613 } 10614 } 10615 10616 // find matching authorities subsets 10617 final Iterator<IntentFilter.AuthorityEntry> 10618 authoritiesIterator = intent.authoritiesIterator(); 10619 if (authoritiesIterator != null) { 10620 getIntentListSubset(intentListCopy, 10621 new AuthoritiesIterGenerator(), 10622 authoritiesIterator); 10623 if (intentListCopy.size() == 0) { 10624 // no more intents to match; we're not equivalent 10625 if (DEBUG_FILTERS) { 10626 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10627 + " package: " + applicationInfo.packageName 10628 + " activity: " + intent.activity.className 10629 + " origPrio: " + intent.getPriority()); 10630 } 10631 intent.setPriority(0); 10632 return; 10633 } 10634 } 10635 10636 // we found matching filter(s); app gets the max priority of all intents 10637 int cappedPriority = 0; 10638 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10639 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10640 } 10641 if (intent.getPriority() > cappedPriority) { 10642 if (DEBUG_FILTERS) { 10643 Slog.i(TAG, "Found matching filter(s);" 10644 + " cap priority to " + cappedPriority + ";" 10645 + " package: " + applicationInfo.packageName 10646 + " activity: " + intent.activity.className 10647 + " origPrio: " + intent.getPriority()); 10648 } 10649 intent.setPriority(cappedPriority); 10650 return; 10651 } 10652 // all this for nothing; the requested priority was <= what was on the system 10653 } 10654 10655 public final void addActivity(PackageParser.Activity a, String type) { 10656 mActivities.put(a.getComponentName(), a); 10657 if (DEBUG_SHOW_INFO) 10658 Log.v( 10659 TAG, " " + type + " " + 10660 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10661 if (DEBUG_SHOW_INFO) 10662 Log.v(TAG, " Class=" + a.info.name); 10663 final int NI = a.intents.size(); 10664 for (int j=0; j<NI; j++) { 10665 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10666 if ("activity".equals(type)) { 10667 final PackageSetting ps = 10668 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10669 final List<PackageParser.Activity> systemActivities = 10670 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10671 adjustPriority(systemActivities, intent); 10672 } 10673 if (DEBUG_SHOW_INFO) { 10674 Log.v(TAG, " IntentFilter:"); 10675 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10676 } 10677 if (!intent.debugCheck()) { 10678 Log.w(TAG, "==> For Activity " + a.info.name); 10679 } 10680 addFilter(intent); 10681 } 10682 } 10683 10684 public final void removeActivity(PackageParser.Activity a, String type) { 10685 mActivities.remove(a.getComponentName()); 10686 if (DEBUG_SHOW_INFO) { 10687 Log.v(TAG, " " + type + " " 10688 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10689 : a.info.name) + ":"); 10690 Log.v(TAG, " Class=" + a.info.name); 10691 } 10692 final int NI = a.intents.size(); 10693 for (int j=0; j<NI; j++) { 10694 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10695 if (DEBUG_SHOW_INFO) { 10696 Log.v(TAG, " IntentFilter:"); 10697 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10698 } 10699 removeFilter(intent); 10700 } 10701 } 10702 10703 @Override 10704 protected boolean allowFilterResult( 10705 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10706 ActivityInfo filterAi = filter.activity.info; 10707 for (int i=dest.size()-1; i>=0; i--) { 10708 ActivityInfo destAi = dest.get(i).activityInfo; 10709 if (destAi.name == filterAi.name 10710 && destAi.packageName == filterAi.packageName) { 10711 return false; 10712 } 10713 } 10714 return true; 10715 } 10716 10717 @Override 10718 protected ActivityIntentInfo[] newArray(int size) { 10719 return new ActivityIntentInfo[size]; 10720 } 10721 10722 @Override 10723 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10724 if (!sUserManager.exists(userId)) return true; 10725 PackageParser.Package p = filter.activity.owner; 10726 if (p != null) { 10727 PackageSetting ps = (PackageSetting)p.mExtras; 10728 if (ps != null) { 10729 // System apps are never considered stopped for purposes of 10730 // filtering, because there may be no way for the user to 10731 // actually re-launch them. 10732 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10733 && ps.getStopped(userId); 10734 } 10735 } 10736 return false; 10737 } 10738 10739 @Override 10740 protected boolean isPackageForFilter(String packageName, 10741 PackageParser.ActivityIntentInfo info) { 10742 return packageName.equals(info.activity.owner.packageName); 10743 } 10744 10745 @Override 10746 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10747 int match, int userId) { 10748 if (!sUserManager.exists(userId)) return null; 10749 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10750 return null; 10751 } 10752 final PackageParser.Activity activity = info.activity; 10753 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10754 if (ps == null) { 10755 return null; 10756 } 10757 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10758 ps.readUserState(userId), userId); 10759 if (ai == null) { 10760 return null; 10761 } 10762 final ResolveInfo res = new ResolveInfo(); 10763 res.activityInfo = ai; 10764 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10765 res.filter = info; 10766 } 10767 if (info != null) { 10768 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10769 } 10770 res.priority = info.getPriority(); 10771 res.preferredOrder = activity.owner.mPreferredOrder; 10772 //System.out.println("Result: " + res.activityInfo.className + 10773 // " = " + res.priority); 10774 res.match = match; 10775 res.isDefault = info.hasDefault; 10776 res.labelRes = info.labelRes; 10777 res.nonLocalizedLabel = info.nonLocalizedLabel; 10778 if (userNeedsBadging(userId)) { 10779 res.noResourceId = true; 10780 } else { 10781 res.icon = info.icon; 10782 } 10783 res.iconResourceId = info.icon; 10784 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10785 return res; 10786 } 10787 10788 @Override 10789 protected void sortResults(List<ResolveInfo> results) { 10790 Collections.sort(results, mResolvePrioritySorter); 10791 } 10792 10793 @Override 10794 protected void dumpFilter(PrintWriter out, String prefix, 10795 PackageParser.ActivityIntentInfo filter) { 10796 out.print(prefix); out.print( 10797 Integer.toHexString(System.identityHashCode(filter.activity))); 10798 out.print(' '); 10799 filter.activity.printComponentShortName(out); 10800 out.print(" filter "); 10801 out.println(Integer.toHexString(System.identityHashCode(filter))); 10802 } 10803 10804 @Override 10805 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10806 return filter.activity; 10807 } 10808 10809 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10810 PackageParser.Activity activity = (PackageParser.Activity)label; 10811 out.print(prefix); out.print( 10812 Integer.toHexString(System.identityHashCode(activity))); 10813 out.print(' '); 10814 activity.printComponentShortName(out); 10815 if (count > 1) { 10816 out.print(" ("); out.print(count); out.print(" filters)"); 10817 } 10818 out.println(); 10819 } 10820 10821 // Keys are String (activity class name), values are Activity. 10822 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10823 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10824 private int mFlags; 10825 } 10826 10827 private final class ServiceIntentResolver 10828 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10829 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10830 boolean defaultOnly, int userId) { 10831 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10832 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10833 } 10834 10835 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10836 int userId) { 10837 if (!sUserManager.exists(userId)) return null; 10838 mFlags = flags; 10839 return super.queryIntent(intent, resolvedType, 10840 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10841 } 10842 10843 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10844 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10845 if (!sUserManager.exists(userId)) return null; 10846 if (packageServices == null) { 10847 return null; 10848 } 10849 mFlags = flags; 10850 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10851 final int N = packageServices.size(); 10852 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10853 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10854 10855 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10856 for (int i = 0; i < N; ++i) { 10857 intentFilters = packageServices.get(i).intents; 10858 if (intentFilters != null && intentFilters.size() > 0) { 10859 PackageParser.ServiceIntentInfo[] array = 10860 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10861 intentFilters.toArray(array); 10862 listCut.add(array); 10863 } 10864 } 10865 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10866 } 10867 10868 public final void addService(PackageParser.Service s) { 10869 mServices.put(s.getComponentName(), s); 10870 if (DEBUG_SHOW_INFO) { 10871 Log.v(TAG, " " 10872 + (s.info.nonLocalizedLabel != null 10873 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10874 Log.v(TAG, " Class=" + s.info.name); 10875 } 10876 final int NI = s.intents.size(); 10877 int j; 10878 for (j=0; j<NI; j++) { 10879 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10880 if (DEBUG_SHOW_INFO) { 10881 Log.v(TAG, " IntentFilter:"); 10882 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10883 } 10884 if (!intent.debugCheck()) { 10885 Log.w(TAG, "==> For Service " + s.info.name); 10886 } 10887 addFilter(intent); 10888 } 10889 } 10890 10891 public final void removeService(PackageParser.Service s) { 10892 mServices.remove(s.getComponentName()); 10893 if (DEBUG_SHOW_INFO) { 10894 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10895 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10896 Log.v(TAG, " Class=" + s.info.name); 10897 } 10898 final int NI = s.intents.size(); 10899 int j; 10900 for (j=0; j<NI; j++) { 10901 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10902 if (DEBUG_SHOW_INFO) { 10903 Log.v(TAG, " IntentFilter:"); 10904 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10905 } 10906 removeFilter(intent); 10907 } 10908 } 10909 10910 @Override 10911 protected boolean allowFilterResult( 10912 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10913 ServiceInfo filterSi = filter.service.info; 10914 for (int i=dest.size()-1; i>=0; i--) { 10915 ServiceInfo destAi = dest.get(i).serviceInfo; 10916 if (destAi.name == filterSi.name 10917 && destAi.packageName == filterSi.packageName) { 10918 return false; 10919 } 10920 } 10921 return true; 10922 } 10923 10924 @Override 10925 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10926 return new PackageParser.ServiceIntentInfo[size]; 10927 } 10928 10929 @Override 10930 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10931 if (!sUserManager.exists(userId)) return true; 10932 PackageParser.Package p = filter.service.owner; 10933 if (p != null) { 10934 PackageSetting ps = (PackageSetting)p.mExtras; 10935 if (ps != null) { 10936 // System apps are never considered stopped for purposes of 10937 // filtering, because there may be no way for the user to 10938 // actually re-launch them. 10939 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10940 && ps.getStopped(userId); 10941 } 10942 } 10943 return false; 10944 } 10945 10946 @Override 10947 protected boolean isPackageForFilter(String packageName, 10948 PackageParser.ServiceIntentInfo info) { 10949 return packageName.equals(info.service.owner.packageName); 10950 } 10951 10952 @Override 10953 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10954 int match, int userId) { 10955 if (!sUserManager.exists(userId)) return null; 10956 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10957 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10958 return null; 10959 } 10960 final PackageParser.Service service = info.service; 10961 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10962 if (ps == null) { 10963 return null; 10964 } 10965 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10966 ps.readUserState(userId), userId); 10967 if (si == null) { 10968 return null; 10969 } 10970 final ResolveInfo res = new ResolveInfo(); 10971 res.serviceInfo = si; 10972 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10973 res.filter = filter; 10974 } 10975 res.priority = info.getPriority(); 10976 res.preferredOrder = service.owner.mPreferredOrder; 10977 res.match = match; 10978 res.isDefault = info.hasDefault; 10979 res.labelRes = info.labelRes; 10980 res.nonLocalizedLabel = info.nonLocalizedLabel; 10981 res.icon = info.icon; 10982 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10983 return res; 10984 } 10985 10986 @Override 10987 protected void sortResults(List<ResolveInfo> results) { 10988 Collections.sort(results, mResolvePrioritySorter); 10989 } 10990 10991 @Override 10992 protected void dumpFilter(PrintWriter out, String prefix, 10993 PackageParser.ServiceIntentInfo filter) { 10994 out.print(prefix); out.print( 10995 Integer.toHexString(System.identityHashCode(filter.service))); 10996 out.print(' '); 10997 filter.service.printComponentShortName(out); 10998 out.print(" filter "); 10999 out.println(Integer.toHexString(System.identityHashCode(filter))); 11000 } 11001 11002 @Override 11003 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11004 return filter.service; 11005 } 11006 11007 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11008 PackageParser.Service service = (PackageParser.Service)label; 11009 out.print(prefix); out.print( 11010 Integer.toHexString(System.identityHashCode(service))); 11011 out.print(' '); 11012 service.printComponentShortName(out); 11013 if (count > 1) { 11014 out.print(" ("); out.print(count); out.print(" filters)"); 11015 } 11016 out.println(); 11017 } 11018 11019// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11020// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11021// final List<ResolveInfo> retList = Lists.newArrayList(); 11022// while (i.hasNext()) { 11023// final ResolveInfo resolveInfo = (ResolveInfo) i; 11024// if (isEnabledLP(resolveInfo.serviceInfo)) { 11025// retList.add(resolveInfo); 11026// } 11027// } 11028// return retList; 11029// } 11030 11031 // Keys are String (activity class name), values are Activity. 11032 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11033 = new ArrayMap<ComponentName, PackageParser.Service>(); 11034 private int mFlags; 11035 }; 11036 11037 private final class ProviderIntentResolver 11038 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11039 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11040 boolean defaultOnly, int userId) { 11041 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11042 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11043 } 11044 11045 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11046 int userId) { 11047 if (!sUserManager.exists(userId)) 11048 return null; 11049 mFlags = flags; 11050 return super.queryIntent(intent, resolvedType, 11051 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11052 } 11053 11054 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11055 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11056 if (!sUserManager.exists(userId)) 11057 return null; 11058 if (packageProviders == null) { 11059 return null; 11060 } 11061 mFlags = flags; 11062 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11063 final int N = packageProviders.size(); 11064 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11065 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11066 11067 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11068 for (int i = 0; i < N; ++i) { 11069 intentFilters = packageProviders.get(i).intents; 11070 if (intentFilters != null && intentFilters.size() > 0) { 11071 PackageParser.ProviderIntentInfo[] array = 11072 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11073 intentFilters.toArray(array); 11074 listCut.add(array); 11075 } 11076 } 11077 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11078 } 11079 11080 public final void addProvider(PackageParser.Provider p) { 11081 if (mProviders.containsKey(p.getComponentName())) { 11082 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11083 return; 11084 } 11085 11086 mProviders.put(p.getComponentName(), p); 11087 if (DEBUG_SHOW_INFO) { 11088 Log.v(TAG, " " 11089 + (p.info.nonLocalizedLabel != null 11090 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11091 Log.v(TAG, " Class=" + p.info.name); 11092 } 11093 final int NI = p.intents.size(); 11094 int j; 11095 for (j = 0; j < NI; j++) { 11096 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11097 if (DEBUG_SHOW_INFO) { 11098 Log.v(TAG, " IntentFilter:"); 11099 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11100 } 11101 if (!intent.debugCheck()) { 11102 Log.w(TAG, "==> For Provider " + p.info.name); 11103 } 11104 addFilter(intent); 11105 } 11106 } 11107 11108 public final void removeProvider(PackageParser.Provider p) { 11109 mProviders.remove(p.getComponentName()); 11110 if (DEBUG_SHOW_INFO) { 11111 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11112 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11113 Log.v(TAG, " Class=" + p.info.name); 11114 } 11115 final int NI = p.intents.size(); 11116 int j; 11117 for (j = 0; j < NI; j++) { 11118 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11119 if (DEBUG_SHOW_INFO) { 11120 Log.v(TAG, " IntentFilter:"); 11121 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11122 } 11123 removeFilter(intent); 11124 } 11125 } 11126 11127 @Override 11128 protected boolean allowFilterResult( 11129 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11130 ProviderInfo filterPi = filter.provider.info; 11131 for (int i = dest.size() - 1; i >= 0; i--) { 11132 ProviderInfo destPi = dest.get(i).providerInfo; 11133 if (destPi.name == filterPi.name 11134 && destPi.packageName == filterPi.packageName) { 11135 return false; 11136 } 11137 } 11138 return true; 11139 } 11140 11141 @Override 11142 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11143 return new PackageParser.ProviderIntentInfo[size]; 11144 } 11145 11146 @Override 11147 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11148 if (!sUserManager.exists(userId)) 11149 return true; 11150 PackageParser.Package p = filter.provider.owner; 11151 if (p != null) { 11152 PackageSetting ps = (PackageSetting) p.mExtras; 11153 if (ps != null) { 11154 // System apps are never considered stopped for purposes of 11155 // filtering, because there may be no way for the user to 11156 // actually re-launch them. 11157 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11158 && ps.getStopped(userId); 11159 } 11160 } 11161 return false; 11162 } 11163 11164 @Override 11165 protected boolean isPackageForFilter(String packageName, 11166 PackageParser.ProviderIntentInfo info) { 11167 return packageName.equals(info.provider.owner.packageName); 11168 } 11169 11170 @Override 11171 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11172 int match, int userId) { 11173 if (!sUserManager.exists(userId)) 11174 return null; 11175 final PackageParser.ProviderIntentInfo info = filter; 11176 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11177 return null; 11178 } 11179 final PackageParser.Provider provider = info.provider; 11180 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11181 if (ps == null) { 11182 return null; 11183 } 11184 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11185 ps.readUserState(userId), userId); 11186 if (pi == null) { 11187 return null; 11188 } 11189 final ResolveInfo res = new ResolveInfo(); 11190 res.providerInfo = pi; 11191 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11192 res.filter = filter; 11193 } 11194 res.priority = info.getPriority(); 11195 res.preferredOrder = provider.owner.mPreferredOrder; 11196 res.match = match; 11197 res.isDefault = info.hasDefault; 11198 res.labelRes = info.labelRes; 11199 res.nonLocalizedLabel = info.nonLocalizedLabel; 11200 res.icon = info.icon; 11201 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11202 return res; 11203 } 11204 11205 @Override 11206 protected void sortResults(List<ResolveInfo> results) { 11207 Collections.sort(results, mResolvePrioritySorter); 11208 } 11209 11210 @Override 11211 protected void dumpFilter(PrintWriter out, String prefix, 11212 PackageParser.ProviderIntentInfo filter) { 11213 out.print(prefix); 11214 out.print( 11215 Integer.toHexString(System.identityHashCode(filter.provider))); 11216 out.print(' '); 11217 filter.provider.printComponentShortName(out); 11218 out.print(" filter "); 11219 out.println(Integer.toHexString(System.identityHashCode(filter))); 11220 } 11221 11222 @Override 11223 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11224 return filter.provider; 11225 } 11226 11227 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11228 PackageParser.Provider provider = (PackageParser.Provider)label; 11229 out.print(prefix); out.print( 11230 Integer.toHexString(System.identityHashCode(provider))); 11231 out.print(' '); 11232 provider.printComponentShortName(out); 11233 if (count > 1) { 11234 out.print(" ("); out.print(count); out.print(" filters)"); 11235 } 11236 out.println(); 11237 } 11238 11239 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11240 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11241 private int mFlags; 11242 } 11243 11244 private static final class EphemeralIntentResolver 11245 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11246 @Override 11247 protected EphemeralResolveIntentInfo[] newArray(int size) { 11248 return new EphemeralResolveIntentInfo[size]; 11249 } 11250 11251 @Override 11252 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11253 return true; 11254 } 11255 11256 @Override 11257 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11258 int userId) { 11259 if (!sUserManager.exists(userId)) { 11260 return null; 11261 } 11262 return info.getEphemeralResolveInfo(); 11263 } 11264 } 11265 11266 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11267 new Comparator<ResolveInfo>() { 11268 public int compare(ResolveInfo r1, ResolveInfo r2) { 11269 int v1 = r1.priority; 11270 int v2 = r2.priority; 11271 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11272 if (v1 != v2) { 11273 return (v1 > v2) ? -1 : 1; 11274 } 11275 v1 = r1.preferredOrder; 11276 v2 = r2.preferredOrder; 11277 if (v1 != v2) { 11278 return (v1 > v2) ? -1 : 1; 11279 } 11280 if (r1.isDefault != r2.isDefault) { 11281 return r1.isDefault ? -1 : 1; 11282 } 11283 v1 = r1.match; 11284 v2 = r2.match; 11285 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11286 if (v1 != v2) { 11287 return (v1 > v2) ? -1 : 1; 11288 } 11289 if (r1.system != r2.system) { 11290 return r1.system ? -1 : 1; 11291 } 11292 if (r1.activityInfo != null) { 11293 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11294 } 11295 if (r1.serviceInfo != null) { 11296 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11297 } 11298 if (r1.providerInfo != null) { 11299 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11300 } 11301 return 0; 11302 } 11303 }; 11304 11305 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11306 new Comparator<ProviderInfo>() { 11307 public int compare(ProviderInfo p1, ProviderInfo p2) { 11308 final int v1 = p1.initOrder; 11309 final int v2 = p2.initOrder; 11310 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11311 } 11312 }; 11313 11314 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11315 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11316 final int[] userIds) { 11317 mHandler.post(new Runnable() { 11318 @Override 11319 public void run() { 11320 try { 11321 final IActivityManager am = ActivityManagerNative.getDefault(); 11322 if (am == null) return; 11323 final int[] resolvedUserIds; 11324 if (userIds == null) { 11325 resolvedUserIds = am.getRunningUserIds(); 11326 } else { 11327 resolvedUserIds = userIds; 11328 } 11329 for (int id : resolvedUserIds) { 11330 final Intent intent = new Intent(action, 11331 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11332 if (extras != null) { 11333 intent.putExtras(extras); 11334 } 11335 if (targetPkg != null) { 11336 intent.setPackage(targetPkg); 11337 } 11338 // Modify the UID when posting to other users 11339 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11340 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11341 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11342 intent.putExtra(Intent.EXTRA_UID, uid); 11343 } 11344 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11345 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11346 if (DEBUG_BROADCASTS) { 11347 RuntimeException here = new RuntimeException("here"); 11348 here.fillInStackTrace(); 11349 Slog.d(TAG, "Sending to user " + id + ": " 11350 + intent.toShortString(false, true, false, false) 11351 + " " + intent.getExtras(), here); 11352 } 11353 am.broadcastIntent(null, intent, null, finishedReceiver, 11354 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11355 null, finishedReceiver != null, false, id); 11356 } 11357 } catch (RemoteException ex) { 11358 } 11359 } 11360 }); 11361 } 11362 11363 /** 11364 * Check if the external storage media is available. This is true if there 11365 * is a mounted external storage medium or if the external storage is 11366 * emulated. 11367 */ 11368 private boolean isExternalMediaAvailable() { 11369 return mMediaMounted || Environment.isExternalStorageEmulated(); 11370 } 11371 11372 @Override 11373 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11374 // writer 11375 synchronized (mPackages) { 11376 if (!isExternalMediaAvailable()) { 11377 // If the external storage is no longer mounted at this point, 11378 // the caller may not have been able to delete all of this 11379 // packages files and can not delete any more. Bail. 11380 return null; 11381 } 11382 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11383 if (lastPackage != null) { 11384 pkgs.remove(lastPackage); 11385 } 11386 if (pkgs.size() > 0) { 11387 return pkgs.get(0); 11388 } 11389 } 11390 return null; 11391 } 11392 11393 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11394 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11395 userId, andCode ? 1 : 0, packageName); 11396 if (mSystemReady) { 11397 msg.sendToTarget(); 11398 } else { 11399 if (mPostSystemReadyMessages == null) { 11400 mPostSystemReadyMessages = new ArrayList<>(); 11401 } 11402 mPostSystemReadyMessages.add(msg); 11403 } 11404 } 11405 11406 void startCleaningPackages() { 11407 // reader 11408 if (!isExternalMediaAvailable()) { 11409 return; 11410 } 11411 synchronized (mPackages) { 11412 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11413 return; 11414 } 11415 } 11416 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11417 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11418 IActivityManager am = ActivityManagerNative.getDefault(); 11419 if (am != null) { 11420 try { 11421 am.startService(null, intent, null, mContext.getOpPackageName(), 11422 UserHandle.USER_SYSTEM); 11423 } catch (RemoteException e) { 11424 } 11425 } 11426 } 11427 11428 @Override 11429 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11430 int installFlags, String installerPackageName, int userId) { 11431 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11432 11433 final int callingUid = Binder.getCallingUid(); 11434 enforceCrossUserPermission(callingUid, userId, 11435 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11436 11437 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11438 try { 11439 if (observer != null) { 11440 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11441 } 11442 } catch (RemoteException re) { 11443 } 11444 return; 11445 } 11446 11447 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11448 installFlags |= PackageManager.INSTALL_FROM_ADB; 11449 11450 } else { 11451 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11452 // about installerPackageName. 11453 11454 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11455 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11456 } 11457 11458 UserHandle user; 11459 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11460 user = UserHandle.ALL; 11461 } else { 11462 user = new UserHandle(userId); 11463 } 11464 11465 // Only system components can circumvent runtime permissions when installing. 11466 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11467 && mContext.checkCallingOrSelfPermission(Manifest.permission 11468 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11469 throw new SecurityException("You need the " 11470 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11471 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11472 } 11473 11474 final File originFile = new File(originPath); 11475 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11476 11477 final Message msg = mHandler.obtainMessage(INIT_COPY); 11478 final VerificationInfo verificationInfo = new VerificationInfo( 11479 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11480 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11481 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11482 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11483 null /*certificates*/); 11484 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11485 msg.obj = params; 11486 11487 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11488 System.identityHashCode(msg.obj)); 11489 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11490 System.identityHashCode(msg.obj)); 11491 11492 mHandler.sendMessage(msg); 11493 } 11494 11495 void installStage(String packageName, File stagedDir, String stagedCid, 11496 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11497 String installerPackageName, int installerUid, UserHandle user, 11498 Certificate[][] certificates) { 11499 if (DEBUG_EPHEMERAL) { 11500 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11501 Slog.d(TAG, "Ephemeral install of " + packageName); 11502 } 11503 } 11504 final VerificationInfo verificationInfo = new VerificationInfo( 11505 sessionParams.originatingUri, sessionParams.referrerUri, 11506 sessionParams.originatingUid, installerUid); 11507 11508 final OriginInfo origin; 11509 if (stagedDir != null) { 11510 origin = OriginInfo.fromStagedFile(stagedDir); 11511 } else { 11512 origin = OriginInfo.fromStagedContainer(stagedCid); 11513 } 11514 11515 final Message msg = mHandler.obtainMessage(INIT_COPY); 11516 final InstallParams params = new InstallParams(origin, null, observer, 11517 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11518 verificationInfo, user, sessionParams.abiOverride, 11519 sessionParams.grantedRuntimePermissions, certificates); 11520 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11521 msg.obj = params; 11522 11523 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11524 System.identityHashCode(msg.obj)); 11525 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11526 System.identityHashCode(msg.obj)); 11527 11528 mHandler.sendMessage(msg); 11529 } 11530 11531 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11532 int userId) { 11533 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11534 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11535 } 11536 11537 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11538 int appId, int userId) { 11539 Bundle extras = new Bundle(1); 11540 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11541 11542 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11543 packageName, extras, 0, null, null, new int[] {userId}); 11544 try { 11545 IActivityManager am = ActivityManagerNative.getDefault(); 11546 if (isSystem && am.isUserRunning(userId, 0)) { 11547 // The just-installed/enabled app is bundled on the system, so presumed 11548 // to be able to run automatically without needing an explicit launch. 11549 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11550 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11551 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11552 .setPackage(packageName); 11553 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11554 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11555 } 11556 } catch (RemoteException e) { 11557 // shouldn't happen 11558 Slog.w(TAG, "Unable to bootstrap installed package", e); 11559 } 11560 } 11561 11562 @Override 11563 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11564 int userId) { 11565 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11566 PackageSetting pkgSetting; 11567 final int uid = Binder.getCallingUid(); 11568 enforceCrossUserPermission(uid, userId, 11569 true /* requireFullPermission */, true /* checkShell */, 11570 "setApplicationHiddenSetting for user " + userId); 11571 11572 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11573 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11574 return false; 11575 } 11576 11577 long callingId = Binder.clearCallingIdentity(); 11578 try { 11579 boolean sendAdded = false; 11580 boolean sendRemoved = false; 11581 // writer 11582 synchronized (mPackages) { 11583 pkgSetting = mSettings.mPackages.get(packageName); 11584 if (pkgSetting == null) { 11585 return false; 11586 } 11587 // Do not allow "android" is being disabled 11588 if ("android".equals(packageName)) { 11589 Slog.w(TAG, "Cannot hide package: android"); 11590 return false; 11591 } 11592 // Only allow protected packages to hide themselves. 11593 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11594 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11595 Slog.w(TAG, "Not hiding protected package: " + packageName); 11596 return false; 11597 } 11598 11599 if (pkgSetting.getHidden(userId) != hidden) { 11600 pkgSetting.setHidden(hidden, userId); 11601 mSettings.writePackageRestrictionsLPr(userId); 11602 if (hidden) { 11603 sendRemoved = true; 11604 } else { 11605 sendAdded = true; 11606 } 11607 } 11608 } 11609 if (sendAdded) { 11610 sendPackageAddedForUser(packageName, pkgSetting, userId); 11611 return true; 11612 } 11613 if (sendRemoved) { 11614 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11615 "hiding pkg"); 11616 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11617 return true; 11618 } 11619 } finally { 11620 Binder.restoreCallingIdentity(callingId); 11621 } 11622 return false; 11623 } 11624 11625 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11626 int userId) { 11627 final PackageRemovedInfo info = new PackageRemovedInfo(); 11628 info.removedPackage = packageName; 11629 info.removedUsers = new int[] {userId}; 11630 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11631 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11632 } 11633 11634 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11635 if (pkgList.length > 0) { 11636 Bundle extras = new Bundle(1); 11637 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11638 11639 sendPackageBroadcast( 11640 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11641 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11642 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11643 new int[] {userId}); 11644 } 11645 } 11646 11647 /** 11648 * Returns true if application is not found or there was an error. Otherwise it returns 11649 * the hidden state of the package for the given user. 11650 */ 11651 @Override 11652 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11653 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11654 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11655 true /* requireFullPermission */, false /* checkShell */, 11656 "getApplicationHidden for user " + userId); 11657 PackageSetting pkgSetting; 11658 long callingId = Binder.clearCallingIdentity(); 11659 try { 11660 // writer 11661 synchronized (mPackages) { 11662 pkgSetting = mSettings.mPackages.get(packageName); 11663 if (pkgSetting == null) { 11664 return true; 11665 } 11666 return pkgSetting.getHidden(userId); 11667 } 11668 } finally { 11669 Binder.restoreCallingIdentity(callingId); 11670 } 11671 } 11672 11673 /** 11674 * @hide 11675 */ 11676 @Override 11677 public int installExistingPackageAsUser(String packageName, int userId) { 11678 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11679 null); 11680 PackageSetting pkgSetting; 11681 final int uid = Binder.getCallingUid(); 11682 enforceCrossUserPermission(uid, userId, 11683 true /* requireFullPermission */, true /* checkShell */, 11684 "installExistingPackage for user " + userId); 11685 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11686 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11687 } 11688 11689 long callingId = Binder.clearCallingIdentity(); 11690 try { 11691 boolean installed = false; 11692 11693 // writer 11694 synchronized (mPackages) { 11695 pkgSetting = mSettings.mPackages.get(packageName); 11696 if (pkgSetting == null) { 11697 return PackageManager.INSTALL_FAILED_INVALID_URI; 11698 } 11699 if (!pkgSetting.getInstalled(userId)) { 11700 pkgSetting.setInstalled(true, userId); 11701 pkgSetting.setHidden(false, userId); 11702 mSettings.writePackageRestrictionsLPr(userId); 11703 installed = true; 11704 } 11705 } 11706 11707 if (installed) { 11708 if (pkgSetting.pkg != null) { 11709 synchronized (mInstallLock) { 11710 // We don't need to freeze for a brand new install 11711 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11712 } 11713 } 11714 sendPackageAddedForUser(packageName, pkgSetting, userId); 11715 } 11716 } finally { 11717 Binder.restoreCallingIdentity(callingId); 11718 } 11719 11720 return PackageManager.INSTALL_SUCCEEDED; 11721 } 11722 11723 boolean isUserRestricted(int userId, String restrictionKey) { 11724 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11725 if (restrictions.getBoolean(restrictionKey, false)) { 11726 Log.w(TAG, "User is restricted: " + restrictionKey); 11727 return true; 11728 } 11729 return false; 11730 } 11731 11732 @Override 11733 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11734 int userId) { 11735 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11736 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11737 true /* requireFullPermission */, true /* checkShell */, 11738 "setPackagesSuspended for user " + userId); 11739 11740 if (ArrayUtils.isEmpty(packageNames)) { 11741 return packageNames; 11742 } 11743 11744 // List of package names for whom the suspended state has changed. 11745 List<String> changedPackages = new ArrayList<>(packageNames.length); 11746 // List of package names for whom the suspended state is not set as requested in this 11747 // method. 11748 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11749 long callingId = Binder.clearCallingIdentity(); 11750 try { 11751 for (int i = 0; i < packageNames.length; i++) { 11752 String packageName = packageNames[i]; 11753 boolean changed = false; 11754 final int appId; 11755 synchronized (mPackages) { 11756 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11757 if (pkgSetting == null) { 11758 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11759 + "\". Skipping suspending/un-suspending."); 11760 unactionedPackages.add(packageName); 11761 continue; 11762 } 11763 appId = pkgSetting.appId; 11764 if (pkgSetting.getSuspended(userId) != suspended) { 11765 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11766 unactionedPackages.add(packageName); 11767 continue; 11768 } 11769 pkgSetting.setSuspended(suspended, userId); 11770 mSettings.writePackageRestrictionsLPr(userId); 11771 changed = true; 11772 changedPackages.add(packageName); 11773 } 11774 } 11775 11776 if (changed && suspended) { 11777 killApplication(packageName, UserHandle.getUid(userId, appId), 11778 "suspending package"); 11779 } 11780 } 11781 } finally { 11782 Binder.restoreCallingIdentity(callingId); 11783 } 11784 11785 if (!changedPackages.isEmpty()) { 11786 sendPackagesSuspendedForUser(changedPackages.toArray( 11787 new String[changedPackages.size()]), userId, suspended); 11788 } 11789 11790 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11791 } 11792 11793 @Override 11794 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11795 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11796 true /* requireFullPermission */, false /* checkShell */, 11797 "isPackageSuspendedForUser for user " + userId); 11798 synchronized (mPackages) { 11799 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11800 if (pkgSetting == null) { 11801 throw new IllegalArgumentException("Unknown target package: " + packageName); 11802 } 11803 return pkgSetting.getSuspended(userId); 11804 } 11805 } 11806 11807 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11808 if (isPackageDeviceAdmin(packageName, userId)) { 11809 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11810 + "\": has an active device admin"); 11811 return false; 11812 } 11813 11814 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11815 if (packageName.equals(activeLauncherPackageName)) { 11816 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11817 + "\": contains the active launcher"); 11818 return false; 11819 } 11820 11821 if (packageName.equals(mRequiredInstallerPackage)) { 11822 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11823 + "\": required for package installation"); 11824 return false; 11825 } 11826 11827 if (packageName.equals(mRequiredVerifierPackage)) { 11828 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11829 + "\": required for package verification"); 11830 return false; 11831 } 11832 11833 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11834 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11835 + "\": is the default dialer"); 11836 return false; 11837 } 11838 11839 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11840 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11841 + "\": protected package"); 11842 return false; 11843 } 11844 11845 return true; 11846 } 11847 11848 private String getActiveLauncherPackageName(int userId) { 11849 Intent intent = new Intent(Intent.ACTION_MAIN); 11850 intent.addCategory(Intent.CATEGORY_HOME); 11851 ResolveInfo resolveInfo = resolveIntent( 11852 intent, 11853 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11854 PackageManager.MATCH_DEFAULT_ONLY, 11855 userId); 11856 11857 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11858 } 11859 11860 private String getDefaultDialerPackageName(int userId) { 11861 synchronized (mPackages) { 11862 return mSettings.getDefaultDialerPackageNameLPw(userId); 11863 } 11864 } 11865 11866 @Override 11867 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11868 mContext.enforceCallingOrSelfPermission( 11869 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11870 "Only package verification agents can verify applications"); 11871 11872 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11873 final PackageVerificationResponse response = new PackageVerificationResponse( 11874 verificationCode, Binder.getCallingUid()); 11875 msg.arg1 = id; 11876 msg.obj = response; 11877 mHandler.sendMessage(msg); 11878 } 11879 11880 @Override 11881 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11882 long millisecondsToDelay) { 11883 mContext.enforceCallingOrSelfPermission( 11884 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11885 "Only package verification agents can extend verification timeouts"); 11886 11887 final PackageVerificationState state = mPendingVerification.get(id); 11888 final PackageVerificationResponse response = new PackageVerificationResponse( 11889 verificationCodeAtTimeout, Binder.getCallingUid()); 11890 11891 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11892 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11893 } 11894 if (millisecondsToDelay < 0) { 11895 millisecondsToDelay = 0; 11896 } 11897 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11898 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11899 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11900 } 11901 11902 if ((state != null) && !state.timeoutExtended()) { 11903 state.extendTimeout(); 11904 11905 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11906 msg.arg1 = id; 11907 msg.obj = response; 11908 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11909 } 11910 } 11911 11912 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11913 int verificationCode, UserHandle user) { 11914 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11915 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11916 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11917 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11918 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11919 11920 mContext.sendBroadcastAsUser(intent, user, 11921 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11922 } 11923 11924 private ComponentName matchComponentForVerifier(String packageName, 11925 List<ResolveInfo> receivers) { 11926 ActivityInfo targetReceiver = null; 11927 11928 final int NR = receivers.size(); 11929 for (int i = 0; i < NR; i++) { 11930 final ResolveInfo info = receivers.get(i); 11931 if (info.activityInfo == null) { 11932 continue; 11933 } 11934 11935 if (packageName.equals(info.activityInfo.packageName)) { 11936 targetReceiver = info.activityInfo; 11937 break; 11938 } 11939 } 11940 11941 if (targetReceiver == null) { 11942 return null; 11943 } 11944 11945 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11946 } 11947 11948 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11949 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11950 if (pkgInfo.verifiers.length == 0) { 11951 return null; 11952 } 11953 11954 final int N = pkgInfo.verifiers.length; 11955 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11956 for (int i = 0; i < N; i++) { 11957 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11958 11959 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11960 receivers); 11961 if (comp == null) { 11962 continue; 11963 } 11964 11965 final int verifierUid = getUidForVerifier(verifierInfo); 11966 if (verifierUid == -1) { 11967 continue; 11968 } 11969 11970 if (DEBUG_VERIFY) { 11971 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11972 + " with the correct signature"); 11973 } 11974 sufficientVerifiers.add(comp); 11975 verificationState.addSufficientVerifier(verifierUid); 11976 } 11977 11978 return sufficientVerifiers; 11979 } 11980 11981 private int getUidForVerifier(VerifierInfo verifierInfo) { 11982 synchronized (mPackages) { 11983 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11984 if (pkg == null) { 11985 return -1; 11986 } else if (pkg.mSignatures.length != 1) { 11987 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11988 + " has more than one signature; ignoring"); 11989 return -1; 11990 } 11991 11992 /* 11993 * If the public key of the package's signature does not match 11994 * our expected public key, then this is a different package and 11995 * we should skip. 11996 */ 11997 11998 final byte[] expectedPublicKey; 11999 try { 12000 final Signature verifierSig = pkg.mSignatures[0]; 12001 final PublicKey publicKey = verifierSig.getPublicKey(); 12002 expectedPublicKey = publicKey.getEncoded(); 12003 } catch (CertificateException e) { 12004 return -1; 12005 } 12006 12007 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12008 12009 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12010 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12011 + " does not have the expected public key; ignoring"); 12012 return -1; 12013 } 12014 12015 return pkg.applicationInfo.uid; 12016 } 12017 } 12018 12019 @Override 12020 public void finishPackageInstall(int token, boolean didLaunch) { 12021 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12022 12023 if (DEBUG_INSTALL) { 12024 Slog.v(TAG, "BM finishing package install for " + token); 12025 } 12026 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12027 12028 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12029 mHandler.sendMessage(msg); 12030 } 12031 12032 /** 12033 * Get the verification agent timeout. 12034 * 12035 * @return verification timeout in milliseconds 12036 */ 12037 private long getVerificationTimeout() { 12038 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12039 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12040 DEFAULT_VERIFICATION_TIMEOUT); 12041 } 12042 12043 /** 12044 * Get the default verification agent response code. 12045 * 12046 * @return default verification response code 12047 */ 12048 private int getDefaultVerificationResponse() { 12049 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12050 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12051 DEFAULT_VERIFICATION_RESPONSE); 12052 } 12053 12054 /** 12055 * Check whether or not package verification has been enabled. 12056 * 12057 * @return true if verification should be performed 12058 */ 12059 private boolean isVerificationEnabled(int userId, int installFlags) { 12060 if (!DEFAULT_VERIFY_ENABLE) { 12061 return false; 12062 } 12063 // Ephemeral apps don't get the full verification treatment 12064 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12065 if (DEBUG_EPHEMERAL) { 12066 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12067 } 12068 return false; 12069 } 12070 12071 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12072 12073 // Check if installing from ADB 12074 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12075 // Do not run verification in a test harness environment 12076 if (ActivityManager.isRunningInTestHarness()) { 12077 return false; 12078 } 12079 if (ensureVerifyAppsEnabled) { 12080 return true; 12081 } 12082 // Check if the developer does not want package verification for ADB installs 12083 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12084 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12085 return false; 12086 } 12087 } 12088 12089 if (ensureVerifyAppsEnabled) { 12090 return true; 12091 } 12092 12093 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12094 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12095 } 12096 12097 @Override 12098 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12099 throws RemoteException { 12100 mContext.enforceCallingOrSelfPermission( 12101 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12102 "Only intentfilter verification agents can verify applications"); 12103 12104 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12105 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12106 Binder.getCallingUid(), verificationCode, failedDomains); 12107 msg.arg1 = id; 12108 msg.obj = response; 12109 mHandler.sendMessage(msg); 12110 } 12111 12112 @Override 12113 public int getIntentVerificationStatus(String packageName, int userId) { 12114 synchronized (mPackages) { 12115 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12116 } 12117 } 12118 12119 @Override 12120 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12121 mContext.enforceCallingOrSelfPermission( 12122 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12123 12124 boolean result = false; 12125 synchronized (mPackages) { 12126 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12127 } 12128 if (result) { 12129 scheduleWritePackageRestrictionsLocked(userId); 12130 } 12131 return result; 12132 } 12133 12134 @Override 12135 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12136 String packageName) { 12137 synchronized (mPackages) { 12138 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12139 } 12140 } 12141 12142 @Override 12143 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12144 if (TextUtils.isEmpty(packageName)) { 12145 return ParceledListSlice.emptyList(); 12146 } 12147 synchronized (mPackages) { 12148 PackageParser.Package pkg = mPackages.get(packageName); 12149 if (pkg == null || pkg.activities == null) { 12150 return ParceledListSlice.emptyList(); 12151 } 12152 final int count = pkg.activities.size(); 12153 ArrayList<IntentFilter> result = new ArrayList<>(); 12154 for (int n=0; n<count; n++) { 12155 PackageParser.Activity activity = pkg.activities.get(n); 12156 if (activity.intents != null && activity.intents.size() > 0) { 12157 result.addAll(activity.intents); 12158 } 12159 } 12160 return new ParceledListSlice<>(result); 12161 } 12162 } 12163 12164 @Override 12165 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12166 mContext.enforceCallingOrSelfPermission( 12167 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12168 12169 synchronized (mPackages) { 12170 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12171 if (packageName != null) { 12172 result |= updateIntentVerificationStatus(packageName, 12173 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12174 userId); 12175 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12176 packageName, userId); 12177 } 12178 return result; 12179 } 12180 } 12181 12182 @Override 12183 public String getDefaultBrowserPackageName(int userId) { 12184 synchronized (mPackages) { 12185 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12186 } 12187 } 12188 12189 /** 12190 * Get the "allow unknown sources" setting. 12191 * 12192 * @return the current "allow unknown sources" setting 12193 */ 12194 private int getUnknownSourcesSettings() { 12195 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12196 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12197 -1); 12198 } 12199 12200 @Override 12201 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12202 final int uid = Binder.getCallingUid(); 12203 // writer 12204 synchronized (mPackages) { 12205 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12206 if (targetPackageSetting == null) { 12207 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12208 } 12209 12210 PackageSetting installerPackageSetting; 12211 if (installerPackageName != null) { 12212 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12213 if (installerPackageSetting == null) { 12214 throw new IllegalArgumentException("Unknown installer package: " 12215 + installerPackageName); 12216 } 12217 } else { 12218 installerPackageSetting = null; 12219 } 12220 12221 Signature[] callerSignature; 12222 Object obj = mSettings.getUserIdLPr(uid); 12223 if (obj != null) { 12224 if (obj instanceof SharedUserSetting) { 12225 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12226 } else if (obj instanceof PackageSetting) { 12227 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12228 } else { 12229 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12230 } 12231 } else { 12232 throw new SecurityException("Unknown calling UID: " + uid); 12233 } 12234 12235 // Verify: can't set installerPackageName to a package that is 12236 // not signed with the same cert as the caller. 12237 if (installerPackageSetting != null) { 12238 if (compareSignatures(callerSignature, 12239 installerPackageSetting.signatures.mSignatures) 12240 != PackageManager.SIGNATURE_MATCH) { 12241 throw new SecurityException( 12242 "Caller does not have same cert as new installer package " 12243 + installerPackageName); 12244 } 12245 } 12246 12247 // Verify: if target already has an installer package, it must 12248 // be signed with the same cert as the caller. 12249 if (targetPackageSetting.installerPackageName != null) { 12250 PackageSetting setting = mSettings.mPackages.get( 12251 targetPackageSetting.installerPackageName); 12252 // If the currently set package isn't valid, then it's always 12253 // okay to change it. 12254 if (setting != null) { 12255 if (compareSignatures(callerSignature, 12256 setting.signatures.mSignatures) 12257 != PackageManager.SIGNATURE_MATCH) { 12258 throw new SecurityException( 12259 "Caller does not have same cert as old installer package " 12260 + targetPackageSetting.installerPackageName); 12261 } 12262 } 12263 } 12264 12265 // Okay! 12266 targetPackageSetting.installerPackageName = installerPackageName; 12267 if (installerPackageName != null) { 12268 mSettings.mInstallerPackages.add(installerPackageName); 12269 } 12270 scheduleWriteSettingsLocked(); 12271 } 12272 } 12273 12274 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12275 // Queue up an async operation since the package installation may take a little while. 12276 mHandler.post(new Runnable() { 12277 public void run() { 12278 mHandler.removeCallbacks(this); 12279 // Result object to be returned 12280 PackageInstalledInfo res = new PackageInstalledInfo(); 12281 res.setReturnCode(currentStatus); 12282 res.uid = -1; 12283 res.pkg = null; 12284 res.removedInfo = null; 12285 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12286 args.doPreInstall(res.returnCode); 12287 synchronized (mInstallLock) { 12288 installPackageTracedLI(args, res); 12289 } 12290 args.doPostInstall(res.returnCode, res.uid); 12291 } 12292 12293 // A restore should be performed at this point if (a) the install 12294 // succeeded, (b) the operation is not an update, and (c) the new 12295 // package has not opted out of backup participation. 12296 final boolean update = res.removedInfo != null 12297 && res.removedInfo.removedPackage != null; 12298 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12299 boolean doRestore = !update 12300 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12301 12302 // Set up the post-install work request bookkeeping. This will be used 12303 // and cleaned up by the post-install event handling regardless of whether 12304 // there's a restore pass performed. Token values are >= 1. 12305 int token; 12306 if (mNextInstallToken < 0) mNextInstallToken = 1; 12307 token = mNextInstallToken++; 12308 12309 PostInstallData data = new PostInstallData(args, res); 12310 mRunningInstalls.put(token, data); 12311 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12312 12313 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12314 // Pass responsibility to the Backup Manager. It will perform a 12315 // restore if appropriate, then pass responsibility back to the 12316 // Package Manager to run the post-install observer callbacks 12317 // and broadcasts. 12318 IBackupManager bm = IBackupManager.Stub.asInterface( 12319 ServiceManager.getService(Context.BACKUP_SERVICE)); 12320 if (bm != null) { 12321 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12322 + " to BM for possible restore"); 12323 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12324 try { 12325 // TODO: http://b/22388012 12326 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12327 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12328 } else { 12329 doRestore = false; 12330 } 12331 } catch (RemoteException e) { 12332 // can't happen; the backup manager is local 12333 } catch (Exception e) { 12334 Slog.e(TAG, "Exception trying to enqueue restore", e); 12335 doRestore = false; 12336 } 12337 } else { 12338 Slog.e(TAG, "Backup Manager not found!"); 12339 doRestore = false; 12340 } 12341 } 12342 12343 if (!doRestore) { 12344 // No restore possible, or the Backup Manager was mysteriously not 12345 // available -- just fire the post-install work request directly. 12346 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12347 12348 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12349 12350 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12351 mHandler.sendMessage(msg); 12352 } 12353 } 12354 }); 12355 } 12356 12357 /** 12358 * Callback from PackageSettings whenever an app is first transitioned out of the 12359 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12360 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12361 * here whether the app is the target of an ongoing install, and only send the 12362 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12363 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12364 * handling. 12365 */ 12366 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12367 // Serialize this with the rest of the install-process message chain. In the 12368 // restore-at-install case, this Runnable will necessarily run before the 12369 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12370 // are coherent. In the non-restore case, the app has already completed install 12371 // and been launched through some other means, so it is not in a problematic 12372 // state for observers to see the FIRST_LAUNCH signal. 12373 mHandler.post(new Runnable() { 12374 @Override 12375 public void run() { 12376 for (int i = 0; i < mRunningInstalls.size(); i++) { 12377 final PostInstallData data = mRunningInstalls.valueAt(i); 12378 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12379 continue; 12380 } 12381 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12382 // right package; but is it for the right user? 12383 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12384 if (userId == data.res.newUsers[uIndex]) { 12385 if (DEBUG_BACKUP) { 12386 Slog.i(TAG, "Package " + pkgName 12387 + " being restored so deferring FIRST_LAUNCH"); 12388 } 12389 return; 12390 } 12391 } 12392 } 12393 } 12394 // didn't find it, so not being restored 12395 if (DEBUG_BACKUP) { 12396 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12397 } 12398 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12399 } 12400 }); 12401 } 12402 12403 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12404 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12405 installerPkg, null, userIds); 12406 } 12407 12408 private abstract class HandlerParams { 12409 private static final int MAX_RETRIES = 4; 12410 12411 /** 12412 * Number of times startCopy() has been attempted and had a non-fatal 12413 * error. 12414 */ 12415 private int mRetries = 0; 12416 12417 /** User handle for the user requesting the information or installation. */ 12418 private final UserHandle mUser; 12419 String traceMethod; 12420 int traceCookie; 12421 12422 HandlerParams(UserHandle user) { 12423 mUser = user; 12424 } 12425 12426 UserHandle getUser() { 12427 return mUser; 12428 } 12429 12430 HandlerParams setTraceMethod(String traceMethod) { 12431 this.traceMethod = traceMethod; 12432 return this; 12433 } 12434 12435 HandlerParams setTraceCookie(int traceCookie) { 12436 this.traceCookie = traceCookie; 12437 return this; 12438 } 12439 12440 final boolean startCopy() { 12441 boolean res; 12442 try { 12443 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12444 12445 if (++mRetries > MAX_RETRIES) { 12446 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12447 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12448 handleServiceError(); 12449 return false; 12450 } else { 12451 handleStartCopy(); 12452 res = true; 12453 } 12454 } catch (RemoteException e) { 12455 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12456 mHandler.sendEmptyMessage(MCS_RECONNECT); 12457 res = false; 12458 } 12459 handleReturnCode(); 12460 return res; 12461 } 12462 12463 final void serviceError() { 12464 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12465 handleServiceError(); 12466 handleReturnCode(); 12467 } 12468 12469 abstract void handleStartCopy() throws RemoteException; 12470 abstract void handleServiceError(); 12471 abstract void handleReturnCode(); 12472 } 12473 12474 class MeasureParams extends HandlerParams { 12475 private final PackageStats mStats; 12476 private boolean mSuccess; 12477 12478 private final IPackageStatsObserver mObserver; 12479 12480 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12481 super(new UserHandle(stats.userHandle)); 12482 mObserver = observer; 12483 mStats = stats; 12484 } 12485 12486 @Override 12487 public String toString() { 12488 return "MeasureParams{" 12489 + Integer.toHexString(System.identityHashCode(this)) 12490 + " " + mStats.packageName + "}"; 12491 } 12492 12493 @Override 12494 void handleStartCopy() throws RemoteException { 12495 synchronized (mInstallLock) { 12496 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12497 } 12498 12499 if (mSuccess) { 12500 boolean mounted = false; 12501 try { 12502 final String status = Environment.getExternalStorageState(); 12503 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12504 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12505 } catch (Exception e) { 12506 } 12507 12508 if (mounted) { 12509 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12510 12511 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12512 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12513 12514 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12515 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12516 12517 // Always subtract cache size, since it's a subdirectory 12518 mStats.externalDataSize -= mStats.externalCacheSize; 12519 12520 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12521 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12522 12523 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12524 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12525 } 12526 } 12527 } 12528 12529 @Override 12530 void handleReturnCode() { 12531 if (mObserver != null) { 12532 try { 12533 mObserver.onGetStatsCompleted(mStats, mSuccess); 12534 } catch (RemoteException e) { 12535 Slog.i(TAG, "Observer no longer exists."); 12536 } 12537 } 12538 } 12539 12540 @Override 12541 void handleServiceError() { 12542 Slog.e(TAG, "Could not measure application " + mStats.packageName 12543 + " external storage"); 12544 } 12545 } 12546 12547 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12548 throws RemoteException { 12549 long result = 0; 12550 for (File path : paths) { 12551 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12552 } 12553 return result; 12554 } 12555 12556 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12557 for (File path : paths) { 12558 try { 12559 mcs.clearDirectory(path.getAbsolutePath()); 12560 } catch (RemoteException e) { 12561 } 12562 } 12563 } 12564 12565 static class OriginInfo { 12566 /** 12567 * Location where install is coming from, before it has been 12568 * copied/renamed into place. This could be a single monolithic APK 12569 * file, or a cluster directory. This location may be untrusted. 12570 */ 12571 final File file; 12572 final String cid; 12573 12574 /** 12575 * Flag indicating that {@link #file} or {@link #cid} has already been 12576 * staged, meaning downstream users don't need to defensively copy the 12577 * contents. 12578 */ 12579 final boolean staged; 12580 12581 /** 12582 * Flag indicating that {@link #file} or {@link #cid} is an already 12583 * installed app that is being moved. 12584 */ 12585 final boolean existing; 12586 12587 final String resolvedPath; 12588 final File resolvedFile; 12589 12590 static OriginInfo fromNothing() { 12591 return new OriginInfo(null, null, false, false); 12592 } 12593 12594 static OriginInfo fromUntrustedFile(File file) { 12595 return new OriginInfo(file, null, false, false); 12596 } 12597 12598 static OriginInfo fromExistingFile(File file) { 12599 return new OriginInfo(file, null, false, true); 12600 } 12601 12602 static OriginInfo fromStagedFile(File file) { 12603 return new OriginInfo(file, null, true, false); 12604 } 12605 12606 static OriginInfo fromStagedContainer(String cid) { 12607 return new OriginInfo(null, cid, true, false); 12608 } 12609 12610 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12611 this.file = file; 12612 this.cid = cid; 12613 this.staged = staged; 12614 this.existing = existing; 12615 12616 if (cid != null) { 12617 resolvedPath = PackageHelper.getSdDir(cid); 12618 resolvedFile = new File(resolvedPath); 12619 } else if (file != null) { 12620 resolvedPath = file.getAbsolutePath(); 12621 resolvedFile = file; 12622 } else { 12623 resolvedPath = null; 12624 resolvedFile = null; 12625 } 12626 } 12627 } 12628 12629 static class MoveInfo { 12630 final int moveId; 12631 final String fromUuid; 12632 final String toUuid; 12633 final String packageName; 12634 final String dataAppName; 12635 final int appId; 12636 final String seinfo; 12637 final int targetSdkVersion; 12638 12639 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12640 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12641 this.moveId = moveId; 12642 this.fromUuid = fromUuid; 12643 this.toUuid = toUuid; 12644 this.packageName = packageName; 12645 this.dataAppName = dataAppName; 12646 this.appId = appId; 12647 this.seinfo = seinfo; 12648 this.targetSdkVersion = targetSdkVersion; 12649 } 12650 } 12651 12652 static class VerificationInfo { 12653 /** A constant used to indicate that a uid value is not present. */ 12654 public static final int NO_UID = -1; 12655 12656 /** URI referencing where the package was downloaded from. */ 12657 final Uri originatingUri; 12658 12659 /** HTTP referrer URI associated with the originatingURI. */ 12660 final Uri referrer; 12661 12662 /** UID of the application that the install request originated from. */ 12663 final int originatingUid; 12664 12665 /** UID of application requesting the install */ 12666 final int installerUid; 12667 12668 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12669 this.originatingUri = originatingUri; 12670 this.referrer = referrer; 12671 this.originatingUid = originatingUid; 12672 this.installerUid = installerUid; 12673 } 12674 } 12675 12676 class InstallParams extends HandlerParams { 12677 final OriginInfo origin; 12678 final MoveInfo move; 12679 final IPackageInstallObserver2 observer; 12680 int installFlags; 12681 final String installerPackageName; 12682 final String volumeUuid; 12683 private InstallArgs mArgs; 12684 private int mRet; 12685 final String packageAbiOverride; 12686 final String[] grantedRuntimePermissions; 12687 final VerificationInfo verificationInfo; 12688 final Certificate[][] certificates; 12689 12690 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12691 int installFlags, String installerPackageName, String volumeUuid, 12692 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12693 String[] grantedPermissions, Certificate[][] certificates) { 12694 super(user); 12695 this.origin = origin; 12696 this.move = move; 12697 this.observer = observer; 12698 this.installFlags = installFlags; 12699 this.installerPackageName = installerPackageName; 12700 this.volumeUuid = volumeUuid; 12701 this.verificationInfo = verificationInfo; 12702 this.packageAbiOverride = packageAbiOverride; 12703 this.grantedRuntimePermissions = grantedPermissions; 12704 this.certificates = certificates; 12705 } 12706 12707 @Override 12708 public String toString() { 12709 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12710 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12711 } 12712 12713 private int installLocationPolicy(PackageInfoLite pkgLite) { 12714 String packageName = pkgLite.packageName; 12715 int installLocation = pkgLite.installLocation; 12716 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12717 // reader 12718 synchronized (mPackages) { 12719 // Currently installed package which the new package is attempting to replace or 12720 // null if no such package is installed. 12721 PackageParser.Package installedPkg = mPackages.get(packageName); 12722 // Package which currently owns the data which the new package will own if installed. 12723 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12724 // will be null whereas dataOwnerPkg will contain information about the package 12725 // which was uninstalled while keeping its data. 12726 PackageParser.Package dataOwnerPkg = installedPkg; 12727 if (dataOwnerPkg == null) { 12728 PackageSetting ps = mSettings.mPackages.get(packageName); 12729 if (ps != null) { 12730 dataOwnerPkg = ps.pkg; 12731 } 12732 } 12733 12734 if (dataOwnerPkg != null) { 12735 // If installed, the package will get access to data left on the device by its 12736 // predecessor. As a security measure, this is permited only if this is not a 12737 // version downgrade or if the predecessor package is marked as debuggable and 12738 // a downgrade is explicitly requested. 12739 // 12740 // On debuggable platform builds, downgrades are permitted even for 12741 // non-debuggable packages to make testing easier. Debuggable platform builds do 12742 // not offer security guarantees and thus it's OK to disable some security 12743 // mechanisms to make debugging/testing easier on those builds. However, even on 12744 // debuggable builds downgrades of packages are permitted only if requested via 12745 // installFlags. This is because we aim to keep the behavior of debuggable 12746 // platform builds as close as possible to the behavior of non-debuggable 12747 // platform builds. 12748 final boolean downgradeRequested = 12749 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12750 final boolean packageDebuggable = 12751 (dataOwnerPkg.applicationInfo.flags 12752 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12753 final boolean downgradePermitted = 12754 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12755 if (!downgradePermitted) { 12756 try { 12757 checkDowngrade(dataOwnerPkg, pkgLite); 12758 } catch (PackageManagerException e) { 12759 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12760 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12761 } 12762 } 12763 } 12764 12765 if (installedPkg != null) { 12766 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12767 // Check for updated system application. 12768 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12769 if (onSd) { 12770 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12771 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12772 } 12773 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12774 } else { 12775 if (onSd) { 12776 // Install flag overrides everything. 12777 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12778 } 12779 // If current upgrade specifies particular preference 12780 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12781 // Application explicitly specified internal. 12782 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12783 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12784 // App explictly prefers external. Let policy decide 12785 } else { 12786 // Prefer previous location 12787 if (isExternal(installedPkg)) { 12788 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12789 } 12790 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12791 } 12792 } 12793 } else { 12794 // Invalid install. Return error code 12795 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12796 } 12797 } 12798 } 12799 // All the special cases have been taken care of. 12800 // Return result based on recommended install location. 12801 if (onSd) { 12802 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12803 } 12804 return pkgLite.recommendedInstallLocation; 12805 } 12806 12807 /* 12808 * Invoke remote method to get package information and install 12809 * location values. Override install location based on default 12810 * policy if needed and then create install arguments based 12811 * on the install location. 12812 */ 12813 public void handleStartCopy() throws RemoteException { 12814 int ret = PackageManager.INSTALL_SUCCEEDED; 12815 12816 // If we're already staged, we've firmly committed to an install location 12817 if (origin.staged) { 12818 if (origin.file != null) { 12819 installFlags |= PackageManager.INSTALL_INTERNAL; 12820 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12821 } else if (origin.cid != null) { 12822 installFlags |= PackageManager.INSTALL_EXTERNAL; 12823 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12824 } else { 12825 throw new IllegalStateException("Invalid stage location"); 12826 } 12827 } 12828 12829 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12830 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12831 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12832 PackageInfoLite pkgLite = null; 12833 12834 if (onInt && onSd) { 12835 // Check if both bits are set. 12836 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12837 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12838 } else if (onSd && ephemeral) { 12839 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12840 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12841 } else { 12842 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12843 packageAbiOverride); 12844 12845 if (DEBUG_EPHEMERAL && ephemeral) { 12846 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12847 } 12848 12849 /* 12850 * If we have too little free space, try to free cache 12851 * before giving up. 12852 */ 12853 if (!origin.staged && pkgLite.recommendedInstallLocation 12854 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12855 // TODO: focus freeing disk space on the target device 12856 final StorageManager storage = StorageManager.from(mContext); 12857 final long lowThreshold = storage.getStorageLowBytes( 12858 Environment.getDataDirectory()); 12859 12860 final long sizeBytes = mContainerService.calculateInstalledSize( 12861 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12862 12863 try { 12864 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12865 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12866 installFlags, packageAbiOverride); 12867 } catch (InstallerException e) { 12868 Slog.w(TAG, "Failed to free cache", e); 12869 } 12870 12871 /* 12872 * The cache free must have deleted the file we 12873 * downloaded to install. 12874 * 12875 * TODO: fix the "freeCache" call to not delete 12876 * the file we care about. 12877 */ 12878 if (pkgLite.recommendedInstallLocation 12879 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12880 pkgLite.recommendedInstallLocation 12881 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12882 } 12883 } 12884 } 12885 12886 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12887 int loc = pkgLite.recommendedInstallLocation; 12888 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12889 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12890 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12891 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12892 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12893 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12894 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12895 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12896 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12897 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12898 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12899 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12900 } else { 12901 // Override with defaults if needed. 12902 loc = installLocationPolicy(pkgLite); 12903 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12904 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12905 } else if (!onSd && !onInt) { 12906 // Override install location with flags 12907 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12908 // Set the flag to install on external media. 12909 installFlags |= PackageManager.INSTALL_EXTERNAL; 12910 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12911 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12912 if (DEBUG_EPHEMERAL) { 12913 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12914 } 12915 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12916 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12917 |PackageManager.INSTALL_INTERNAL); 12918 } else { 12919 // Make sure the flag for installing on external 12920 // media is unset 12921 installFlags |= PackageManager.INSTALL_INTERNAL; 12922 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12923 } 12924 } 12925 } 12926 } 12927 12928 final InstallArgs args = createInstallArgs(this); 12929 mArgs = args; 12930 12931 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12932 // TODO: http://b/22976637 12933 // Apps installed for "all" users use the device owner to verify the app 12934 UserHandle verifierUser = getUser(); 12935 if (verifierUser == UserHandle.ALL) { 12936 verifierUser = UserHandle.SYSTEM; 12937 } 12938 12939 /* 12940 * Determine if we have any installed package verifiers. If we 12941 * do, then we'll defer to them to verify the packages. 12942 */ 12943 final int requiredUid = mRequiredVerifierPackage == null ? -1 12944 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12945 verifierUser.getIdentifier()); 12946 if (!origin.existing && requiredUid != -1 12947 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12948 final Intent verification = new Intent( 12949 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12950 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12951 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12952 PACKAGE_MIME_TYPE); 12953 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12954 12955 // Query all live verifiers based on current user state 12956 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12957 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12958 12959 if (DEBUG_VERIFY) { 12960 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12961 + verification.toString() + " with " + pkgLite.verifiers.length 12962 + " optional verifiers"); 12963 } 12964 12965 final int verificationId = mPendingVerificationToken++; 12966 12967 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12968 12969 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12970 installerPackageName); 12971 12972 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12973 installFlags); 12974 12975 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12976 pkgLite.packageName); 12977 12978 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12979 pkgLite.versionCode); 12980 12981 if (verificationInfo != null) { 12982 if (verificationInfo.originatingUri != null) { 12983 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12984 verificationInfo.originatingUri); 12985 } 12986 if (verificationInfo.referrer != null) { 12987 verification.putExtra(Intent.EXTRA_REFERRER, 12988 verificationInfo.referrer); 12989 } 12990 if (verificationInfo.originatingUid >= 0) { 12991 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12992 verificationInfo.originatingUid); 12993 } 12994 if (verificationInfo.installerUid >= 0) { 12995 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12996 verificationInfo.installerUid); 12997 } 12998 } 12999 13000 final PackageVerificationState verificationState = new PackageVerificationState( 13001 requiredUid, args); 13002 13003 mPendingVerification.append(verificationId, verificationState); 13004 13005 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13006 receivers, verificationState); 13007 13008 /* 13009 * If any sufficient verifiers were listed in the package 13010 * manifest, attempt to ask them. 13011 */ 13012 if (sufficientVerifiers != null) { 13013 final int N = sufficientVerifiers.size(); 13014 if (N == 0) { 13015 Slog.i(TAG, "Additional verifiers required, but none installed."); 13016 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13017 } else { 13018 for (int i = 0; i < N; i++) { 13019 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13020 13021 final Intent sufficientIntent = new Intent(verification); 13022 sufficientIntent.setComponent(verifierComponent); 13023 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13024 } 13025 } 13026 } 13027 13028 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13029 mRequiredVerifierPackage, receivers); 13030 if (ret == PackageManager.INSTALL_SUCCEEDED 13031 && mRequiredVerifierPackage != null) { 13032 Trace.asyncTraceBegin( 13033 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13034 /* 13035 * Send the intent to the required verification agent, 13036 * but only start the verification timeout after the 13037 * target BroadcastReceivers have run. 13038 */ 13039 verification.setComponent(requiredVerifierComponent); 13040 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13041 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13042 new BroadcastReceiver() { 13043 @Override 13044 public void onReceive(Context context, Intent intent) { 13045 final Message msg = mHandler 13046 .obtainMessage(CHECK_PENDING_VERIFICATION); 13047 msg.arg1 = verificationId; 13048 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13049 } 13050 }, null, 0, null, null); 13051 13052 /* 13053 * We don't want the copy to proceed until verification 13054 * succeeds, so null out this field. 13055 */ 13056 mArgs = null; 13057 } 13058 } else { 13059 /* 13060 * No package verification is enabled, so immediately start 13061 * the remote call to initiate copy using temporary file. 13062 */ 13063 ret = args.copyApk(mContainerService, true); 13064 } 13065 } 13066 13067 mRet = ret; 13068 } 13069 13070 @Override 13071 void handleReturnCode() { 13072 // If mArgs is null, then MCS couldn't be reached. When it 13073 // reconnects, it will try again to install. At that point, this 13074 // will succeed. 13075 if (mArgs != null) { 13076 processPendingInstall(mArgs, mRet); 13077 } 13078 } 13079 13080 @Override 13081 void handleServiceError() { 13082 mArgs = createInstallArgs(this); 13083 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13084 } 13085 13086 public boolean isForwardLocked() { 13087 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13088 } 13089 } 13090 13091 /** 13092 * Used during creation of InstallArgs 13093 * 13094 * @param installFlags package installation flags 13095 * @return true if should be installed on external storage 13096 */ 13097 private static boolean installOnExternalAsec(int installFlags) { 13098 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13099 return false; 13100 } 13101 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13102 return true; 13103 } 13104 return false; 13105 } 13106 13107 /** 13108 * Used during creation of InstallArgs 13109 * 13110 * @param installFlags package installation flags 13111 * @return true if should be installed as forward locked 13112 */ 13113 private static boolean installForwardLocked(int installFlags) { 13114 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13115 } 13116 13117 private InstallArgs createInstallArgs(InstallParams params) { 13118 if (params.move != null) { 13119 return new MoveInstallArgs(params); 13120 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13121 return new AsecInstallArgs(params); 13122 } else { 13123 return new FileInstallArgs(params); 13124 } 13125 } 13126 13127 /** 13128 * Create args that describe an existing installed package. Typically used 13129 * when cleaning up old installs, or used as a move source. 13130 */ 13131 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13132 String resourcePath, String[] instructionSets) { 13133 final boolean isInAsec; 13134 if (installOnExternalAsec(installFlags)) { 13135 /* Apps on SD card are always in ASEC containers. */ 13136 isInAsec = true; 13137 } else if (installForwardLocked(installFlags) 13138 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13139 /* 13140 * Forward-locked apps are only in ASEC containers if they're the 13141 * new style 13142 */ 13143 isInAsec = true; 13144 } else { 13145 isInAsec = false; 13146 } 13147 13148 if (isInAsec) { 13149 return new AsecInstallArgs(codePath, instructionSets, 13150 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13151 } else { 13152 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13153 } 13154 } 13155 13156 static abstract class InstallArgs { 13157 /** @see InstallParams#origin */ 13158 final OriginInfo origin; 13159 /** @see InstallParams#move */ 13160 final MoveInfo move; 13161 13162 final IPackageInstallObserver2 observer; 13163 // Always refers to PackageManager flags only 13164 final int installFlags; 13165 final String installerPackageName; 13166 final String volumeUuid; 13167 final UserHandle user; 13168 final String abiOverride; 13169 final String[] installGrantPermissions; 13170 /** If non-null, drop an async trace when the install completes */ 13171 final String traceMethod; 13172 final int traceCookie; 13173 final Certificate[][] certificates; 13174 13175 // The list of instruction sets supported by this app. This is currently 13176 // only used during the rmdex() phase to clean up resources. We can get rid of this 13177 // if we move dex files under the common app path. 13178 /* nullable */ String[] instructionSets; 13179 13180 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13181 int installFlags, String installerPackageName, String volumeUuid, 13182 UserHandle user, String[] instructionSets, 13183 String abiOverride, String[] installGrantPermissions, 13184 String traceMethod, int traceCookie, Certificate[][] certificates) { 13185 this.origin = origin; 13186 this.move = move; 13187 this.installFlags = installFlags; 13188 this.observer = observer; 13189 this.installerPackageName = installerPackageName; 13190 this.volumeUuid = volumeUuid; 13191 this.user = user; 13192 this.instructionSets = instructionSets; 13193 this.abiOverride = abiOverride; 13194 this.installGrantPermissions = installGrantPermissions; 13195 this.traceMethod = traceMethod; 13196 this.traceCookie = traceCookie; 13197 this.certificates = certificates; 13198 } 13199 13200 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13201 abstract int doPreInstall(int status); 13202 13203 /** 13204 * Rename package into final resting place. All paths on the given 13205 * scanned package should be updated to reflect the rename. 13206 */ 13207 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13208 abstract int doPostInstall(int status, int uid); 13209 13210 /** @see PackageSettingBase#codePathString */ 13211 abstract String getCodePath(); 13212 /** @see PackageSettingBase#resourcePathString */ 13213 abstract String getResourcePath(); 13214 13215 // Need installer lock especially for dex file removal. 13216 abstract void cleanUpResourcesLI(); 13217 abstract boolean doPostDeleteLI(boolean delete); 13218 13219 /** 13220 * Called before the source arguments are copied. This is used mostly 13221 * for MoveParams when it needs to read the source file to put it in the 13222 * destination. 13223 */ 13224 int doPreCopy() { 13225 return PackageManager.INSTALL_SUCCEEDED; 13226 } 13227 13228 /** 13229 * Called after the source arguments are copied. This is used mostly for 13230 * MoveParams when it needs to read the source file to put it in the 13231 * destination. 13232 */ 13233 int doPostCopy(int uid) { 13234 return PackageManager.INSTALL_SUCCEEDED; 13235 } 13236 13237 protected boolean isFwdLocked() { 13238 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13239 } 13240 13241 protected boolean isExternalAsec() { 13242 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13243 } 13244 13245 protected boolean isEphemeral() { 13246 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13247 } 13248 13249 UserHandle getUser() { 13250 return user; 13251 } 13252 } 13253 13254 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13255 if (!allCodePaths.isEmpty()) { 13256 if (instructionSets == null) { 13257 throw new IllegalStateException("instructionSet == null"); 13258 } 13259 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13260 for (String codePath : allCodePaths) { 13261 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13262 try { 13263 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13264 } catch (InstallerException ignored) { 13265 } 13266 } 13267 } 13268 } 13269 } 13270 13271 /** 13272 * Logic to handle installation of non-ASEC applications, including copying 13273 * and renaming logic. 13274 */ 13275 class FileInstallArgs extends InstallArgs { 13276 private File codeFile; 13277 private File resourceFile; 13278 13279 // Example topology: 13280 // /data/app/com.example/base.apk 13281 // /data/app/com.example/split_foo.apk 13282 // /data/app/com.example/lib/arm/libfoo.so 13283 // /data/app/com.example/lib/arm64/libfoo.so 13284 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13285 13286 /** New install */ 13287 FileInstallArgs(InstallParams params) { 13288 super(params.origin, params.move, params.observer, params.installFlags, 13289 params.installerPackageName, params.volumeUuid, 13290 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13291 params.grantedRuntimePermissions, 13292 params.traceMethod, params.traceCookie, params.certificates); 13293 if (isFwdLocked()) { 13294 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13295 } 13296 } 13297 13298 /** Existing install */ 13299 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13300 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13301 null, null, null, 0, null /*certificates*/); 13302 this.codeFile = (codePath != null) ? new File(codePath) : null; 13303 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13304 } 13305 13306 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13307 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13308 try { 13309 return doCopyApk(imcs, temp); 13310 } finally { 13311 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13312 } 13313 } 13314 13315 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13316 if (origin.staged) { 13317 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13318 codeFile = origin.file; 13319 resourceFile = origin.file; 13320 return PackageManager.INSTALL_SUCCEEDED; 13321 } 13322 13323 try { 13324 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13325 final File tempDir = 13326 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13327 codeFile = tempDir; 13328 resourceFile = tempDir; 13329 } catch (IOException e) { 13330 Slog.w(TAG, "Failed to create copy file: " + e); 13331 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13332 } 13333 13334 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13335 @Override 13336 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13337 if (!FileUtils.isValidExtFilename(name)) { 13338 throw new IllegalArgumentException("Invalid filename: " + name); 13339 } 13340 try { 13341 final File file = new File(codeFile, name); 13342 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13343 O_RDWR | O_CREAT, 0644); 13344 Os.chmod(file.getAbsolutePath(), 0644); 13345 return new ParcelFileDescriptor(fd); 13346 } catch (ErrnoException e) { 13347 throw new RemoteException("Failed to open: " + e.getMessage()); 13348 } 13349 } 13350 }; 13351 13352 int ret = PackageManager.INSTALL_SUCCEEDED; 13353 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13354 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13355 Slog.e(TAG, "Failed to copy package"); 13356 return ret; 13357 } 13358 13359 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13360 NativeLibraryHelper.Handle handle = null; 13361 try { 13362 handle = NativeLibraryHelper.Handle.create(codeFile); 13363 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13364 abiOverride); 13365 } catch (IOException e) { 13366 Slog.e(TAG, "Copying native libraries failed", e); 13367 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13368 } finally { 13369 IoUtils.closeQuietly(handle); 13370 } 13371 13372 return ret; 13373 } 13374 13375 int doPreInstall(int status) { 13376 if (status != PackageManager.INSTALL_SUCCEEDED) { 13377 cleanUp(); 13378 } 13379 return status; 13380 } 13381 13382 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13383 if (status != PackageManager.INSTALL_SUCCEEDED) { 13384 cleanUp(); 13385 return false; 13386 } 13387 13388 final File targetDir = codeFile.getParentFile(); 13389 final File beforeCodeFile = codeFile; 13390 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13391 13392 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13393 try { 13394 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13395 } catch (ErrnoException e) { 13396 Slog.w(TAG, "Failed to rename", e); 13397 return false; 13398 } 13399 13400 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13401 Slog.w(TAG, "Failed to restorecon"); 13402 return false; 13403 } 13404 13405 // Reflect the rename internally 13406 codeFile = afterCodeFile; 13407 resourceFile = afterCodeFile; 13408 13409 // Reflect the rename in scanned details 13410 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13411 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13412 afterCodeFile, pkg.baseCodePath)); 13413 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13414 afterCodeFile, pkg.splitCodePaths)); 13415 13416 // Reflect the rename in app info 13417 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13418 pkg.setApplicationInfoCodePath(pkg.codePath); 13419 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13420 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13421 pkg.setApplicationInfoResourcePath(pkg.codePath); 13422 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13423 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13424 13425 return true; 13426 } 13427 13428 int doPostInstall(int status, int uid) { 13429 if (status != PackageManager.INSTALL_SUCCEEDED) { 13430 cleanUp(); 13431 } 13432 return status; 13433 } 13434 13435 @Override 13436 String getCodePath() { 13437 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13438 } 13439 13440 @Override 13441 String getResourcePath() { 13442 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13443 } 13444 13445 private boolean cleanUp() { 13446 if (codeFile == null || !codeFile.exists()) { 13447 return false; 13448 } 13449 13450 removeCodePathLI(codeFile); 13451 13452 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13453 resourceFile.delete(); 13454 } 13455 13456 return true; 13457 } 13458 13459 void cleanUpResourcesLI() { 13460 // Try enumerating all code paths before deleting 13461 List<String> allCodePaths = Collections.EMPTY_LIST; 13462 if (codeFile != null && codeFile.exists()) { 13463 try { 13464 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13465 allCodePaths = pkg.getAllCodePaths(); 13466 } catch (PackageParserException e) { 13467 // Ignored; we tried our best 13468 } 13469 } 13470 13471 cleanUp(); 13472 removeDexFiles(allCodePaths, instructionSets); 13473 } 13474 13475 boolean doPostDeleteLI(boolean delete) { 13476 // XXX err, shouldn't we respect the delete flag? 13477 cleanUpResourcesLI(); 13478 return true; 13479 } 13480 } 13481 13482 private boolean isAsecExternal(String cid) { 13483 final String asecPath = PackageHelper.getSdFilesystem(cid); 13484 return !asecPath.startsWith(mAsecInternalPath); 13485 } 13486 13487 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13488 PackageManagerException { 13489 if (copyRet < 0) { 13490 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13491 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13492 throw new PackageManagerException(copyRet, message); 13493 } 13494 } 13495 } 13496 13497 /** 13498 * Extract the MountService "container ID" from the full code path of an 13499 * .apk. 13500 */ 13501 static String cidFromCodePath(String fullCodePath) { 13502 int eidx = fullCodePath.lastIndexOf("/"); 13503 String subStr1 = fullCodePath.substring(0, eidx); 13504 int sidx = subStr1.lastIndexOf("/"); 13505 return subStr1.substring(sidx+1, eidx); 13506 } 13507 13508 /** 13509 * Logic to handle installation of ASEC applications, including copying and 13510 * renaming logic. 13511 */ 13512 class AsecInstallArgs extends InstallArgs { 13513 static final String RES_FILE_NAME = "pkg.apk"; 13514 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13515 13516 String cid; 13517 String packagePath; 13518 String resourcePath; 13519 13520 /** New install */ 13521 AsecInstallArgs(InstallParams params) { 13522 super(params.origin, params.move, params.observer, params.installFlags, 13523 params.installerPackageName, params.volumeUuid, 13524 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13525 params.grantedRuntimePermissions, 13526 params.traceMethod, params.traceCookie, params.certificates); 13527 } 13528 13529 /** Existing install */ 13530 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13531 boolean isExternal, boolean isForwardLocked) { 13532 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13533 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13534 instructionSets, null, null, null, 0, null /*certificates*/); 13535 // Hackily pretend we're still looking at a full code path 13536 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13537 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13538 } 13539 13540 // Extract cid from fullCodePath 13541 int eidx = fullCodePath.lastIndexOf("/"); 13542 String subStr1 = fullCodePath.substring(0, eidx); 13543 int sidx = subStr1.lastIndexOf("/"); 13544 cid = subStr1.substring(sidx+1, eidx); 13545 setMountPath(subStr1); 13546 } 13547 13548 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13549 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13550 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13551 instructionSets, null, null, null, 0, null /*certificates*/); 13552 this.cid = cid; 13553 setMountPath(PackageHelper.getSdDir(cid)); 13554 } 13555 13556 void createCopyFile() { 13557 cid = mInstallerService.allocateExternalStageCidLegacy(); 13558 } 13559 13560 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13561 if (origin.staged && origin.cid != null) { 13562 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13563 cid = origin.cid; 13564 setMountPath(PackageHelper.getSdDir(cid)); 13565 return PackageManager.INSTALL_SUCCEEDED; 13566 } 13567 13568 if (temp) { 13569 createCopyFile(); 13570 } else { 13571 /* 13572 * Pre-emptively destroy the container since it's destroyed if 13573 * copying fails due to it existing anyway. 13574 */ 13575 PackageHelper.destroySdDir(cid); 13576 } 13577 13578 final String newMountPath = imcs.copyPackageToContainer( 13579 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13580 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13581 13582 if (newMountPath != null) { 13583 setMountPath(newMountPath); 13584 return PackageManager.INSTALL_SUCCEEDED; 13585 } else { 13586 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13587 } 13588 } 13589 13590 @Override 13591 String getCodePath() { 13592 return packagePath; 13593 } 13594 13595 @Override 13596 String getResourcePath() { 13597 return resourcePath; 13598 } 13599 13600 int doPreInstall(int status) { 13601 if (status != PackageManager.INSTALL_SUCCEEDED) { 13602 // Destroy container 13603 PackageHelper.destroySdDir(cid); 13604 } else { 13605 boolean mounted = PackageHelper.isContainerMounted(cid); 13606 if (!mounted) { 13607 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13608 Process.SYSTEM_UID); 13609 if (newMountPath != null) { 13610 setMountPath(newMountPath); 13611 } else { 13612 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13613 } 13614 } 13615 } 13616 return status; 13617 } 13618 13619 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13620 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13621 String newMountPath = null; 13622 if (PackageHelper.isContainerMounted(cid)) { 13623 // Unmount the container 13624 if (!PackageHelper.unMountSdDir(cid)) { 13625 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13626 return false; 13627 } 13628 } 13629 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13630 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13631 " which might be stale. Will try to clean up."); 13632 // Clean up the stale container and proceed to recreate. 13633 if (!PackageHelper.destroySdDir(newCacheId)) { 13634 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13635 return false; 13636 } 13637 // Successfully cleaned up stale container. Try to rename again. 13638 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13639 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13640 + " inspite of cleaning it up."); 13641 return false; 13642 } 13643 } 13644 if (!PackageHelper.isContainerMounted(newCacheId)) { 13645 Slog.w(TAG, "Mounting container " + newCacheId); 13646 newMountPath = PackageHelper.mountSdDir(newCacheId, 13647 getEncryptKey(), Process.SYSTEM_UID); 13648 } else { 13649 newMountPath = PackageHelper.getSdDir(newCacheId); 13650 } 13651 if (newMountPath == null) { 13652 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13653 return false; 13654 } 13655 Log.i(TAG, "Succesfully renamed " + cid + 13656 " to " + newCacheId + 13657 " at new path: " + newMountPath); 13658 cid = newCacheId; 13659 13660 final File beforeCodeFile = new File(packagePath); 13661 setMountPath(newMountPath); 13662 final File afterCodeFile = new File(packagePath); 13663 13664 // Reflect the rename in scanned details 13665 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13666 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13667 afterCodeFile, pkg.baseCodePath)); 13668 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13669 afterCodeFile, pkg.splitCodePaths)); 13670 13671 // Reflect the rename in app info 13672 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13673 pkg.setApplicationInfoCodePath(pkg.codePath); 13674 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13675 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13676 pkg.setApplicationInfoResourcePath(pkg.codePath); 13677 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13678 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13679 13680 return true; 13681 } 13682 13683 private void setMountPath(String mountPath) { 13684 final File mountFile = new File(mountPath); 13685 13686 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13687 if (monolithicFile.exists()) { 13688 packagePath = monolithicFile.getAbsolutePath(); 13689 if (isFwdLocked()) { 13690 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13691 } else { 13692 resourcePath = packagePath; 13693 } 13694 } else { 13695 packagePath = mountFile.getAbsolutePath(); 13696 resourcePath = packagePath; 13697 } 13698 } 13699 13700 int doPostInstall(int status, int uid) { 13701 if (status != PackageManager.INSTALL_SUCCEEDED) { 13702 cleanUp(); 13703 } else { 13704 final int groupOwner; 13705 final String protectedFile; 13706 if (isFwdLocked()) { 13707 groupOwner = UserHandle.getSharedAppGid(uid); 13708 protectedFile = RES_FILE_NAME; 13709 } else { 13710 groupOwner = -1; 13711 protectedFile = null; 13712 } 13713 13714 if (uid < Process.FIRST_APPLICATION_UID 13715 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13716 Slog.e(TAG, "Failed to finalize " + cid); 13717 PackageHelper.destroySdDir(cid); 13718 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13719 } 13720 13721 boolean mounted = PackageHelper.isContainerMounted(cid); 13722 if (!mounted) { 13723 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13724 } 13725 } 13726 return status; 13727 } 13728 13729 private void cleanUp() { 13730 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13731 13732 // Destroy secure container 13733 PackageHelper.destroySdDir(cid); 13734 } 13735 13736 private List<String> getAllCodePaths() { 13737 final File codeFile = new File(getCodePath()); 13738 if (codeFile != null && codeFile.exists()) { 13739 try { 13740 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13741 return pkg.getAllCodePaths(); 13742 } catch (PackageParserException e) { 13743 // Ignored; we tried our best 13744 } 13745 } 13746 return Collections.EMPTY_LIST; 13747 } 13748 13749 void cleanUpResourcesLI() { 13750 // Enumerate all code paths before deleting 13751 cleanUpResourcesLI(getAllCodePaths()); 13752 } 13753 13754 private void cleanUpResourcesLI(List<String> allCodePaths) { 13755 cleanUp(); 13756 removeDexFiles(allCodePaths, instructionSets); 13757 } 13758 13759 String getPackageName() { 13760 return getAsecPackageName(cid); 13761 } 13762 13763 boolean doPostDeleteLI(boolean delete) { 13764 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13765 final List<String> allCodePaths = getAllCodePaths(); 13766 boolean mounted = PackageHelper.isContainerMounted(cid); 13767 if (mounted) { 13768 // Unmount first 13769 if (PackageHelper.unMountSdDir(cid)) { 13770 mounted = false; 13771 } 13772 } 13773 if (!mounted && delete) { 13774 cleanUpResourcesLI(allCodePaths); 13775 } 13776 return !mounted; 13777 } 13778 13779 @Override 13780 int doPreCopy() { 13781 if (isFwdLocked()) { 13782 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13783 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13784 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13785 } 13786 } 13787 13788 return PackageManager.INSTALL_SUCCEEDED; 13789 } 13790 13791 @Override 13792 int doPostCopy(int uid) { 13793 if (isFwdLocked()) { 13794 if (uid < Process.FIRST_APPLICATION_UID 13795 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13796 RES_FILE_NAME)) { 13797 Slog.e(TAG, "Failed to finalize " + cid); 13798 PackageHelper.destroySdDir(cid); 13799 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13800 } 13801 } 13802 13803 return PackageManager.INSTALL_SUCCEEDED; 13804 } 13805 } 13806 13807 /** 13808 * Logic to handle movement of existing installed applications. 13809 */ 13810 class MoveInstallArgs extends InstallArgs { 13811 private File codeFile; 13812 private File resourceFile; 13813 13814 /** New install */ 13815 MoveInstallArgs(InstallParams params) { 13816 super(params.origin, params.move, params.observer, params.installFlags, 13817 params.installerPackageName, params.volumeUuid, 13818 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13819 params.grantedRuntimePermissions, 13820 params.traceMethod, params.traceCookie, params.certificates); 13821 } 13822 13823 int copyApk(IMediaContainerService imcs, boolean temp) { 13824 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13825 + move.fromUuid + " to " + move.toUuid); 13826 synchronized (mInstaller) { 13827 try { 13828 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13829 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13830 } catch (InstallerException e) { 13831 Slog.w(TAG, "Failed to move app", e); 13832 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13833 } 13834 } 13835 13836 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13837 resourceFile = codeFile; 13838 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13839 13840 return PackageManager.INSTALL_SUCCEEDED; 13841 } 13842 13843 int doPreInstall(int status) { 13844 if (status != PackageManager.INSTALL_SUCCEEDED) { 13845 cleanUp(move.toUuid); 13846 } 13847 return status; 13848 } 13849 13850 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13851 if (status != PackageManager.INSTALL_SUCCEEDED) { 13852 cleanUp(move.toUuid); 13853 return false; 13854 } 13855 13856 // Reflect the move in app info 13857 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13858 pkg.setApplicationInfoCodePath(pkg.codePath); 13859 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13860 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13861 pkg.setApplicationInfoResourcePath(pkg.codePath); 13862 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13863 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13864 13865 return true; 13866 } 13867 13868 int doPostInstall(int status, int uid) { 13869 if (status == PackageManager.INSTALL_SUCCEEDED) { 13870 cleanUp(move.fromUuid); 13871 } else { 13872 cleanUp(move.toUuid); 13873 } 13874 return status; 13875 } 13876 13877 @Override 13878 String getCodePath() { 13879 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13880 } 13881 13882 @Override 13883 String getResourcePath() { 13884 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13885 } 13886 13887 private boolean cleanUp(String volumeUuid) { 13888 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13889 move.dataAppName); 13890 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13891 final int[] userIds = sUserManager.getUserIds(); 13892 synchronized (mInstallLock) { 13893 // Clean up both app data and code 13894 // All package moves are frozen until finished 13895 for (int userId : userIds) { 13896 try { 13897 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13898 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13899 } catch (InstallerException e) { 13900 Slog.w(TAG, String.valueOf(e)); 13901 } 13902 } 13903 removeCodePathLI(codeFile); 13904 } 13905 return true; 13906 } 13907 13908 void cleanUpResourcesLI() { 13909 throw new UnsupportedOperationException(); 13910 } 13911 13912 boolean doPostDeleteLI(boolean delete) { 13913 throw new UnsupportedOperationException(); 13914 } 13915 } 13916 13917 static String getAsecPackageName(String packageCid) { 13918 int idx = packageCid.lastIndexOf("-"); 13919 if (idx == -1) { 13920 return packageCid; 13921 } 13922 return packageCid.substring(0, idx); 13923 } 13924 13925 // Utility method used to create code paths based on package name and available index. 13926 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13927 String idxStr = ""; 13928 int idx = 1; 13929 // Fall back to default value of idx=1 if prefix is not 13930 // part of oldCodePath 13931 if (oldCodePath != null) { 13932 String subStr = oldCodePath; 13933 // Drop the suffix right away 13934 if (suffix != null && subStr.endsWith(suffix)) { 13935 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13936 } 13937 // If oldCodePath already contains prefix find out the 13938 // ending index to either increment or decrement. 13939 int sidx = subStr.lastIndexOf(prefix); 13940 if (sidx != -1) { 13941 subStr = subStr.substring(sidx + prefix.length()); 13942 if (subStr != null) { 13943 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13944 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13945 } 13946 try { 13947 idx = Integer.parseInt(subStr); 13948 if (idx <= 1) { 13949 idx++; 13950 } else { 13951 idx--; 13952 } 13953 } catch(NumberFormatException e) { 13954 } 13955 } 13956 } 13957 } 13958 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13959 return prefix + idxStr; 13960 } 13961 13962 private File getNextCodePath(File targetDir, String packageName) { 13963 int suffix = 1; 13964 File result; 13965 do { 13966 result = new File(targetDir, packageName + "-" + suffix); 13967 suffix++; 13968 } while (result.exists()); 13969 return result; 13970 } 13971 13972 // Utility method that returns the relative package path with respect 13973 // to the installation directory. Like say for /data/data/com.test-1.apk 13974 // string com.test-1 is returned. 13975 static String deriveCodePathName(String codePath) { 13976 if (codePath == null) { 13977 return null; 13978 } 13979 final File codeFile = new File(codePath); 13980 final String name = codeFile.getName(); 13981 if (codeFile.isDirectory()) { 13982 return name; 13983 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13984 final int lastDot = name.lastIndexOf('.'); 13985 return name.substring(0, lastDot); 13986 } else { 13987 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13988 return null; 13989 } 13990 } 13991 13992 static class PackageInstalledInfo { 13993 String name; 13994 int uid; 13995 // The set of users that originally had this package installed. 13996 int[] origUsers; 13997 // The set of users that now have this package installed. 13998 int[] newUsers; 13999 PackageParser.Package pkg; 14000 int returnCode; 14001 String returnMsg; 14002 PackageRemovedInfo removedInfo; 14003 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14004 14005 public void setError(int code, String msg) { 14006 setReturnCode(code); 14007 setReturnMessage(msg); 14008 Slog.w(TAG, msg); 14009 } 14010 14011 public void setError(String msg, PackageParserException e) { 14012 setReturnCode(e.error); 14013 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14014 Slog.w(TAG, msg, e); 14015 } 14016 14017 public void setError(String msg, PackageManagerException e) { 14018 returnCode = e.error; 14019 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14020 Slog.w(TAG, msg, e); 14021 } 14022 14023 public void setReturnCode(int returnCode) { 14024 this.returnCode = returnCode; 14025 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14026 for (int i = 0; i < childCount; i++) { 14027 addedChildPackages.valueAt(i).returnCode = returnCode; 14028 } 14029 } 14030 14031 private void setReturnMessage(String returnMsg) { 14032 this.returnMsg = returnMsg; 14033 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14034 for (int i = 0; i < childCount; i++) { 14035 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14036 } 14037 } 14038 14039 // In some error cases we want to convey more info back to the observer 14040 String origPackage; 14041 String origPermission; 14042 } 14043 14044 /* 14045 * Install a non-existing package. 14046 */ 14047 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14048 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14049 PackageInstalledInfo res) { 14050 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14051 14052 // Remember this for later, in case we need to rollback this install 14053 String pkgName = pkg.packageName; 14054 14055 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14056 14057 synchronized(mPackages) { 14058 final String renamedPackage = mSettings.getRenamedPackage(pkgName); 14059 if (renamedPackage != null) { 14060 // A package with the same name is already installed, though 14061 // it has been renamed to an older name. The package we 14062 // are trying to install should be installed as an update to 14063 // the existing one, but that has not been requested, so bail. 14064 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14065 + " without first uninstalling package running as " 14066 + renamedPackage); 14067 return; 14068 } 14069 if (mPackages.containsKey(pkgName)) { 14070 // Don't allow installation over an existing package with the same name. 14071 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14072 + " without first uninstalling."); 14073 return; 14074 } 14075 } 14076 14077 try { 14078 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14079 System.currentTimeMillis(), user); 14080 14081 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14082 14083 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14084 prepareAppDataAfterInstallLIF(newPackage); 14085 14086 } else { 14087 // Remove package from internal structures, but keep around any 14088 // data that might have already existed 14089 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14090 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14091 } 14092 } catch (PackageManagerException e) { 14093 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14094 } 14095 14096 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14097 } 14098 14099 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14100 // Can't rotate keys during boot or if sharedUser. 14101 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14102 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14103 return false; 14104 } 14105 // app is using upgradeKeySets; make sure all are valid 14106 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14107 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14108 for (int i = 0; i < upgradeKeySets.length; i++) { 14109 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14110 Slog.wtf(TAG, "Package " 14111 + (oldPs.name != null ? oldPs.name : "<null>") 14112 + " contains upgrade-key-set reference to unknown key-set: " 14113 + upgradeKeySets[i] 14114 + " reverting to signatures check."); 14115 return false; 14116 } 14117 } 14118 return true; 14119 } 14120 14121 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14122 // Upgrade keysets are being used. Determine if new package has a superset of the 14123 // required keys. 14124 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14125 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14126 for (int i = 0; i < upgradeKeySets.length; i++) { 14127 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14128 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14129 return true; 14130 } 14131 } 14132 return false; 14133 } 14134 14135 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14136 try (DigestInputStream digestStream = 14137 new DigestInputStream(new FileInputStream(file), digest)) { 14138 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14139 } 14140 } 14141 14142 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14143 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14144 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14145 14146 final PackageParser.Package oldPackage; 14147 final String pkgName = pkg.packageName; 14148 final int[] allUsers; 14149 final int[] installedUsers; 14150 14151 synchronized(mPackages) { 14152 oldPackage = mPackages.get(pkgName); 14153 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14154 14155 // don't allow upgrade to target a release SDK from a pre-release SDK 14156 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14157 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14158 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14159 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14160 if (oldTargetsPreRelease 14161 && !newTargetsPreRelease 14162 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14163 Slog.w(TAG, "Can't install package targeting released sdk"); 14164 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14165 return; 14166 } 14167 14168 // don't allow an upgrade from full to ephemeral 14169 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14170 if (isEphemeral && !oldIsEphemeral) { 14171 // can't downgrade from full to ephemeral 14172 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14173 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14174 return; 14175 } 14176 14177 // verify signatures are valid 14178 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14179 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14180 if (!checkUpgradeKeySetLP(ps, pkg)) { 14181 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14182 "New package not signed by keys specified by upgrade-keysets: " 14183 + pkgName); 14184 return; 14185 } 14186 } else { 14187 // default to original signature matching 14188 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14189 != PackageManager.SIGNATURE_MATCH) { 14190 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14191 "New package has a different signature: " + pkgName); 14192 return; 14193 } 14194 } 14195 14196 // don't allow a system upgrade unless the upgrade hash matches 14197 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14198 byte[] digestBytes = null; 14199 try { 14200 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14201 updateDigest(digest, new File(pkg.baseCodePath)); 14202 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14203 for (String path : pkg.splitCodePaths) { 14204 updateDigest(digest, new File(path)); 14205 } 14206 } 14207 digestBytes = digest.digest(); 14208 } catch (NoSuchAlgorithmException | IOException e) { 14209 res.setError(INSTALL_FAILED_INVALID_APK, 14210 "Could not compute hash: " + pkgName); 14211 return; 14212 } 14213 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14214 res.setError(INSTALL_FAILED_INVALID_APK, 14215 "New package fails restrict-update check: " + pkgName); 14216 return; 14217 } 14218 // retain upgrade restriction 14219 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14220 } 14221 14222 // Check for shared user id changes 14223 String invalidPackageName = 14224 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14225 if (invalidPackageName != null) { 14226 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14227 "Package " + invalidPackageName + " tried to change user " 14228 + oldPackage.mSharedUserId); 14229 return; 14230 } 14231 14232 // In case of rollback, remember per-user/profile install state 14233 allUsers = sUserManager.getUserIds(); 14234 installedUsers = ps.queryInstalledUsers(allUsers, true); 14235 } 14236 14237 // Update what is removed 14238 res.removedInfo = new PackageRemovedInfo(); 14239 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14240 res.removedInfo.removedPackage = oldPackage.packageName; 14241 res.removedInfo.isUpdate = true; 14242 res.removedInfo.origUsers = installedUsers; 14243 final int childCount = (oldPackage.childPackages != null) 14244 ? oldPackage.childPackages.size() : 0; 14245 for (int i = 0; i < childCount; i++) { 14246 boolean childPackageUpdated = false; 14247 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14248 if (res.addedChildPackages != null) { 14249 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14250 if (childRes != null) { 14251 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14252 childRes.removedInfo.removedPackage = childPkg.packageName; 14253 childRes.removedInfo.isUpdate = true; 14254 childPackageUpdated = true; 14255 } 14256 } 14257 if (!childPackageUpdated) { 14258 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14259 childRemovedRes.removedPackage = childPkg.packageName; 14260 childRemovedRes.isUpdate = false; 14261 childRemovedRes.dataRemoved = true; 14262 synchronized (mPackages) { 14263 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14264 if (childPs != null) { 14265 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14266 } 14267 } 14268 if (res.removedInfo.removedChildPackages == null) { 14269 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14270 } 14271 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14272 } 14273 } 14274 14275 boolean sysPkg = (isSystemApp(oldPackage)); 14276 if (sysPkg) { 14277 // Set the system/privileged flags as needed 14278 final boolean privileged = 14279 (oldPackage.applicationInfo.privateFlags 14280 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14281 final int systemPolicyFlags = policyFlags 14282 | PackageParser.PARSE_IS_SYSTEM 14283 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14284 14285 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14286 user, allUsers, installerPackageName, res); 14287 } else { 14288 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14289 user, allUsers, installerPackageName, res); 14290 } 14291 } 14292 14293 public List<String> getPreviousCodePaths(String packageName) { 14294 final PackageSetting ps = mSettings.mPackages.get(packageName); 14295 final List<String> result = new ArrayList<String>(); 14296 if (ps != null && ps.oldCodePaths != null) { 14297 result.addAll(ps.oldCodePaths); 14298 } 14299 return result; 14300 } 14301 14302 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14303 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14304 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14305 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14306 + deletedPackage); 14307 14308 String pkgName = deletedPackage.packageName; 14309 boolean deletedPkg = true; 14310 boolean addedPkg = false; 14311 boolean updatedSettings = false; 14312 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14313 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14314 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14315 14316 final long origUpdateTime = (pkg.mExtras != null) 14317 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14318 14319 // First delete the existing package while retaining the data directory 14320 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14321 res.removedInfo, true, pkg)) { 14322 // If the existing package wasn't successfully deleted 14323 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14324 deletedPkg = false; 14325 } else { 14326 // Successfully deleted the old package; proceed with replace. 14327 14328 // If deleted package lived in a container, give users a chance to 14329 // relinquish resources before killing. 14330 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14331 if (DEBUG_INSTALL) { 14332 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14333 } 14334 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14335 final ArrayList<String> pkgList = new ArrayList<String>(1); 14336 pkgList.add(deletedPackage.applicationInfo.packageName); 14337 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14338 } 14339 14340 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14341 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14342 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14343 14344 try { 14345 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14346 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14347 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14348 14349 // Update the in-memory copy of the previous code paths. 14350 PackageSetting ps = mSettings.mPackages.get(pkgName); 14351 if (!killApp) { 14352 if (ps.oldCodePaths == null) { 14353 ps.oldCodePaths = new ArraySet<>(); 14354 } 14355 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14356 if (deletedPackage.splitCodePaths != null) { 14357 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14358 } 14359 } else { 14360 ps.oldCodePaths = null; 14361 } 14362 if (ps.childPackageNames != null) { 14363 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14364 final String childPkgName = ps.childPackageNames.get(i); 14365 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14366 childPs.oldCodePaths = ps.oldCodePaths; 14367 } 14368 } 14369 prepareAppDataAfterInstallLIF(newPackage); 14370 addedPkg = true; 14371 } catch (PackageManagerException e) { 14372 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14373 } 14374 } 14375 14376 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14377 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14378 14379 // Revert all internal state mutations and added folders for the failed install 14380 if (addedPkg) { 14381 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14382 res.removedInfo, true, null); 14383 } 14384 14385 // Restore the old package 14386 if (deletedPkg) { 14387 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14388 File restoreFile = new File(deletedPackage.codePath); 14389 // Parse old package 14390 boolean oldExternal = isExternal(deletedPackage); 14391 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14392 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14393 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14394 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14395 try { 14396 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14397 null); 14398 } catch (PackageManagerException e) { 14399 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14400 + e.getMessage()); 14401 return; 14402 } 14403 14404 synchronized (mPackages) { 14405 // Ensure the installer package name up to date 14406 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14407 14408 // Update permissions for restored package 14409 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14410 14411 mSettings.writeLPr(); 14412 } 14413 14414 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14415 } 14416 } else { 14417 synchronized (mPackages) { 14418 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14419 if (ps != null) { 14420 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14421 if (res.removedInfo.removedChildPackages != null) { 14422 final int childCount = res.removedInfo.removedChildPackages.size(); 14423 // Iterate in reverse as we may modify the collection 14424 for (int i = childCount - 1; i >= 0; i--) { 14425 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14426 if (res.addedChildPackages.containsKey(childPackageName)) { 14427 res.removedInfo.removedChildPackages.removeAt(i); 14428 } else { 14429 PackageRemovedInfo childInfo = res.removedInfo 14430 .removedChildPackages.valueAt(i); 14431 childInfo.removedForAllUsers = mPackages.get( 14432 childInfo.removedPackage) == null; 14433 } 14434 } 14435 } 14436 } 14437 } 14438 } 14439 } 14440 14441 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14442 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14443 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14444 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14445 + ", old=" + deletedPackage); 14446 14447 final boolean disabledSystem; 14448 14449 // Remove existing system package 14450 removePackageLI(deletedPackage, true); 14451 14452 synchronized (mPackages) { 14453 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14454 } 14455 if (!disabledSystem) { 14456 // We didn't need to disable the .apk as a current system package, 14457 // which means we are replacing another update that is already 14458 // installed. We need to make sure to delete the older one's .apk. 14459 res.removedInfo.args = createInstallArgsForExisting(0, 14460 deletedPackage.applicationInfo.getCodePath(), 14461 deletedPackage.applicationInfo.getResourcePath(), 14462 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14463 } else { 14464 res.removedInfo.args = null; 14465 } 14466 14467 // Successfully disabled the old package. Now proceed with re-installation 14468 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14469 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14470 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14471 14472 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14473 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14474 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14475 14476 PackageParser.Package newPackage = null; 14477 try { 14478 // Add the package to the internal data structures 14479 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14480 14481 // Set the update and install times 14482 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14483 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14484 System.currentTimeMillis()); 14485 14486 // Update the package dynamic state if succeeded 14487 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14488 // Now that the install succeeded make sure we remove data 14489 // directories for any child package the update removed. 14490 final int deletedChildCount = (deletedPackage.childPackages != null) 14491 ? deletedPackage.childPackages.size() : 0; 14492 final int newChildCount = (newPackage.childPackages != null) 14493 ? newPackage.childPackages.size() : 0; 14494 for (int i = 0; i < deletedChildCount; i++) { 14495 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14496 boolean childPackageDeleted = true; 14497 for (int j = 0; j < newChildCount; j++) { 14498 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14499 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14500 childPackageDeleted = false; 14501 break; 14502 } 14503 } 14504 if (childPackageDeleted) { 14505 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14506 deletedChildPkg.packageName); 14507 if (ps != null && res.removedInfo.removedChildPackages != null) { 14508 PackageRemovedInfo removedChildRes = res.removedInfo 14509 .removedChildPackages.get(deletedChildPkg.packageName); 14510 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14511 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14512 } 14513 } 14514 } 14515 14516 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14517 prepareAppDataAfterInstallLIF(newPackage); 14518 } 14519 } catch (PackageManagerException e) { 14520 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14521 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14522 } 14523 14524 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14525 // Re installation failed. Restore old information 14526 // Remove new pkg information 14527 if (newPackage != null) { 14528 removeInstalledPackageLI(newPackage, true); 14529 } 14530 // Add back the old system package 14531 try { 14532 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14533 } catch (PackageManagerException e) { 14534 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14535 } 14536 14537 synchronized (mPackages) { 14538 if (disabledSystem) { 14539 enableSystemPackageLPw(deletedPackage); 14540 } 14541 14542 // Ensure the installer package name up to date 14543 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14544 14545 // Update permissions for restored package 14546 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14547 14548 mSettings.writeLPr(); 14549 } 14550 14551 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14552 + " after failed upgrade"); 14553 } 14554 } 14555 14556 /** 14557 * Checks whether the parent or any of the child packages have a change shared 14558 * user. For a package to be a valid update the shred users of the parent and 14559 * the children should match. We may later support changing child shared users. 14560 * @param oldPkg The updated package. 14561 * @param newPkg The update package. 14562 * @return The shared user that change between the versions. 14563 */ 14564 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14565 PackageParser.Package newPkg) { 14566 // Check parent shared user 14567 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14568 return newPkg.packageName; 14569 } 14570 // Check child shared users 14571 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14572 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14573 for (int i = 0; i < newChildCount; i++) { 14574 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14575 // If this child was present, did it have the same shared user? 14576 for (int j = 0; j < oldChildCount; j++) { 14577 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14578 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14579 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14580 return newChildPkg.packageName; 14581 } 14582 } 14583 } 14584 return null; 14585 } 14586 14587 private void removeNativeBinariesLI(PackageSetting ps) { 14588 // Remove the lib path for the parent package 14589 if (ps != null) { 14590 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14591 // Remove the lib path for the child packages 14592 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14593 for (int i = 0; i < childCount; i++) { 14594 PackageSetting childPs = null; 14595 synchronized (mPackages) { 14596 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14597 } 14598 if (childPs != null) { 14599 NativeLibraryHelper.removeNativeBinariesLI(childPs 14600 .legacyNativeLibraryPathString); 14601 } 14602 } 14603 } 14604 } 14605 14606 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14607 // Enable the parent package 14608 mSettings.enableSystemPackageLPw(pkg.packageName); 14609 // Enable the child packages 14610 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14611 for (int i = 0; i < childCount; i++) { 14612 PackageParser.Package childPkg = pkg.childPackages.get(i); 14613 mSettings.enableSystemPackageLPw(childPkg.packageName); 14614 } 14615 } 14616 14617 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14618 PackageParser.Package newPkg) { 14619 // Disable the parent package (parent always replaced) 14620 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14621 // Disable the child packages 14622 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14623 for (int i = 0; i < childCount; i++) { 14624 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14625 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14626 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14627 } 14628 return disabled; 14629 } 14630 14631 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14632 String installerPackageName) { 14633 // Enable the parent package 14634 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14635 // Enable the child packages 14636 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14637 for (int i = 0; i < childCount; i++) { 14638 PackageParser.Package childPkg = pkg.childPackages.get(i); 14639 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14640 } 14641 } 14642 14643 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14644 // Collect all used permissions in the UID 14645 ArraySet<String> usedPermissions = new ArraySet<>(); 14646 final int packageCount = su.packages.size(); 14647 for (int i = 0; i < packageCount; i++) { 14648 PackageSetting ps = su.packages.valueAt(i); 14649 if (ps.pkg == null) { 14650 continue; 14651 } 14652 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14653 for (int j = 0; j < requestedPermCount; j++) { 14654 String permission = ps.pkg.requestedPermissions.get(j); 14655 BasePermission bp = mSettings.mPermissions.get(permission); 14656 if (bp != null) { 14657 usedPermissions.add(permission); 14658 } 14659 } 14660 } 14661 14662 PermissionsState permissionsState = su.getPermissionsState(); 14663 // Prune install permissions 14664 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14665 final int installPermCount = installPermStates.size(); 14666 for (int i = installPermCount - 1; i >= 0; i--) { 14667 PermissionState permissionState = installPermStates.get(i); 14668 if (!usedPermissions.contains(permissionState.getName())) { 14669 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14670 if (bp != null) { 14671 permissionsState.revokeInstallPermission(bp); 14672 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14673 PackageManager.MASK_PERMISSION_FLAGS, 0); 14674 } 14675 } 14676 } 14677 14678 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14679 14680 // Prune runtime permissions 14681 for (int userId : allUserIds) { 14682 List<PermissionState> runtimePermStates = permissionsState 14683 .getRuntimePermissionStates(userId); 14684 final int runtimePermCount = runtimePermStates.size(); 14685 for (int i = runtimePermCount - 1; i >= 0; i--) { 14686 PermissionState permissionState = runtimePermStates.get(i); 14687 if (!usedPermissions.contains(permissionState.getName())) { 14688 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14689 if (bp != null) { 14690 permissionsState.revokeRuntimePermission(bp, userId); 14691 permissionsState.updatePermissionFlags(bp, userId, 14692 PackageManager.MASK_PERMISSION_FLAGS, 0); 14693 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14694 runtimePermissionChangedUserIds, userId); 14695 } 14696 } 14697 } 14698 } 14699 14700 return runtimePermissionChangedUserIds; 14701 } 14702 14703 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14704 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14705 // Update the parent package setting 14706 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14707 res, user); 14708 // Update the child packages setting 14709 final int childCount = (newPackage.childPackages != null) 14710 ? newPackage.childPackages.size() : 0; 14711 for (int i = 0; i < childCount; i++) { 14712 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14713 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14714 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14715 childRes.origUsers, childRes, user); 14716 } 14717 } 14718 14719 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14720 String installerPackageName, int[] allUsers, int[] installedForUsers, 14721 PackageInstalledInfo res, UserHandle user) { 14722 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14723 14724 String pkgName = newPackage.packageName; 14725 synchronized (mPackages) { 14726 //write settings. the installStatus will be incomplete at this stage. 14727 //note that the new package setting would have already been 14728 //added to mPackages. It hasn't been persisted yet. 14729 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14730 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14731 mSettings.writeLPr(); 14732 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14733 } 14734 14735 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14736 synchronized (mPackages) { 14737 updatePermissionsLPw(newPackage.packageName, newPackage, 14738 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14739 ? UPDATE_PERMISSIONS_ALL : 0)); 14740 // For system-bundled packages, we assume that installing an upgraded version 14741 // of the package implies that the user actually wants to run that new code, 14742 // so we enable the package. 14743 PackageSetting ps = mSettings.mPackages.get(pkgName); 14744 final int userId = user.getIdentifier(); 14745 if (ps != null) { 14746 if (isSystemApp(newPackage)) { 14747 if (DEBUG_INSTALL) { 14748 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14749 } 14750 // Enable system package for requested users 14751 if (res.origUsers != null) { 14752 for (int origUserId : res.origUsers) { 14753 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14754 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14755 origUserId, installerPackageName); 14756 } 14757 } 14758 } 14759 // Also convey the prior install/uninstall state 14760 if (allUsers != null && installedForUsers != null) { 14761 for (int currentUserId : allUsers) { 14762 final boolean installed = ArrayUtils.contains( 14763 installedForUsers, currentUserId); 14764 if (DEBUG_INSTALL) { 14765 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14766 } 14767 ps.setInstalled(installed, currentUserId); 14768 } 14769 // these install state changes will be persisted in the 14770 // upcoming call to mSettings.writeLPr(). 14771 } 14772 } 14773 // It's implied that when a user requests installation, they want the app to be 14774 // installed and enabled. 14775 if (userId != UserHandle.USER_ALL) { 14776 ps.setInstalled(true, userId); 14777 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14778 } 14779 } 14780 res.name = pkgName; 14781 res.uid = newPackage.applicationInfo.uid; 14782 res.pkg = newPackage; 14783 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14784 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14785 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14786 //to update install status 14787 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14788 mSettings.writeLPr(); 14789 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14790 } 14791 14792 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14793 } 14794 14795 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14796 try { 14797 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14798 installPackageLI(args, res); 14799 } finally { 14800 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14801 } 14802 } 14803 14804 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14805 final int installFlags = args.installFlags; 14806 final String installerPackageName = args.installerPackageName; 14807 final String volumeUuid = args.volumeUuid; 14808 final File tmpPackageFile = new File(args.getCodePath()); 14809 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14810 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14811 || (args.volumeUuid != null)); 14812 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14813 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14814 boolean replace = false; 14815 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14816 if (args.move != null) { 14817 // moving a complete application; perform an initial scan on the new install location 14818 scanFlags |= SCAN_INITIAL; 14819 } 14820 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14821 scanFlags |= SCAN_DONT_KILL_APP; 14822 } 14823 14824 // Result object to be returned 14825 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14826 14827 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14828 14829 // Sanity check 14830 if (ephemeral && (forwardLocked || onExternal)) { 14831 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14832 + " external=" + onExternal); 14833 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14834 return; 14835 } 14836 14837 // Retrieve PackageSettings and parse package 14838 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14839 | PackageParser.PARSE_ENFORCE_CODE 14840 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14841 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14842 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14843 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14844 PackageParser pp = new PackageParser(); 14845 pp.setSeparateProcesses(mSeparateProcesses); 14846 pp.setDisplayMetrics(mMetrics); 14847 14848 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14849 final PackageParser.Package pkg; 14850 try { 14851 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14852 } catch (PackageParserException e) { 14853 res.setError("Failed parse during installPackageLI", e); 14854 return; 14855 } finally { 14856 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14857 } 14858 14859 // If we are installing a clustered package add results for the children 14860 if (pkg.childPackages != null) { 14861 synchronized (mPackages) { 14862 final int childCount = pkg.childPackages.size(); 14863 for (int i = 0; i < childCount; i++) { 14864 PackageParser.Package childPkg = pkg.childPackages.get(i); 14865 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14866 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14867 childRes.pkg = childPkg; 14868 childRes.name = childPkg.packageName; 14869 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14870 if (childPs != null) { 14871 childRes.origUsers = childPs.queryInstalledUsers( 14872 sUserManager.getUserIds(), true); 14873 } 14874 if ((mPackages.containsKey(childPkg.packageName))) { 14875 childRes.removedInfo = new PackageRemovedInfo(); 14876 childRes.removedInfo.removedPackage = childPkg.packageName; 14877 } 14878 if (res.addedChildPackages == null) { 14879 res.addedChildPackages = new ArrayMap<>(); 14880 } 14881 res.addedChildPackages.put(childPkg.packageName, childRes); 14882 } 14883 } 14884 } 14885 14886 // If package doesn't declare API override, mark that we have an install 14887 // time CPU ABI override. 14888 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14889 pkg.cpuAbiOverride = args.abiOverride; 14890 } 14891 14892 String pkgName = res.name = pkg.packageName; 14893 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14894 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14895 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14896 return; 14897 } 14898 } 14899 14900 try { 14901 // either use what we've been given or parse directly from the APK 14902 if (args.certificates != null) { 14903 try { 14904 PackageParser.populateCertificates(pkg, args.certificates); 14905 } catch (PackageParserException e) { 14906 // there was something wrong with the certificates we were given; 14907 // try to pull them from the APK 14908 PackageParser.collectCertificates(pkg, parseFlags); 14909 } 14910 } else { 14911 PackageParser.collectCertificates(pkg, parseFlags); 14912 } 14913 } catch (PackageParserException e) { 14914 res.setError("Failed collect during installPackageLI", e); 14915 return; 14916 } 14917 14918 // Get rid of all references to package scan path via parser. 14919 pp = null; 14920 String oldCodePath = null; 14921 boolean systemApp = false; 14922 synchronized (mPackages) { 14923 // Check if installing already existing package 14924 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14925 String oldName = mSettings.getRenamedPackage(pkgName); 14926 if (pkg.mOriginalPackages != null 14927 && pkg.mOriginalPackages.contains(oldName) 14928 && mPackages.containsKey(oldName)) { 14929 // This package is derived from an original package, 14930 // and this device has been updating from that original 14931 // name. We must continue using the original name, so 14932 // rename the new package here. 14933 pkg.setPackageName(oldName); 14934 pkgName = pkg.packageName; 14935 replace = true; 14936 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14937 + oldName + " pkgName=" + pkgName); 14938 } else if (mPackages.containsKey(pkgName)) { 14939 // This package, under its official name, already exists 14940 // on the device; we should replace it. 14941 replace = true; 14942 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14943 } 14944 14945 // Child packages are installed through the parent package 14946 if (pkg.parentPackage != null) { 14947 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14948 "Package " + pkg.packageName + " is child of package " 14949 + pkg.parentPackage.parentPackage + ". Child packages " 14950 + "can be updated only through the parent package."); 14951 return; 14952 } 14953 14954 if (replace) { 14955 // Prevent apps opting out from runtime permissions 14956 PackageParser.Package oldPackage = mPackages.get(pkgName); 14957 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14958 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14959 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14960 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14961 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14962 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14963 + " doesn't support runtime permissions but the old" 14964 + " target SDK " + oldTargetSdk + " does."); 14965 return; 14966 } 14967 14968 // Prevent installing of child packages 14969 if (oldPackage.parentPackage != null) { 14970 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14971 "Package " + pkg.packageName + " is child of package " 14972 + oldPackage.parentPackage + ". Child packages " 14973 + "can be updated only through the parent package."); 14974 return; 14975 } 14976 } 14977 } 14978 14979 PackageSetting ps = mSettings.mPackages.get(pkgName); 14980 if (ps != null) { 14981 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14982 14983 // Quick sanity check that we're signed correctly if updating; 14984 // we'll check this again later when scanning, but we want to 14985 // bail early here before tripping over redefined permissions. 14986 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14987 if (!checkUpgradeKeySetLP(ps, pkg)) { 14988 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14989 + pkg.packageName + " upgrade keys do not match the " 14990 + "previously installed version"); 14991 return; 14992 } 14993 } else { 14994 try { 14995 verifySignaturesLP(ps, pkg); 14996 } catch (PackageManagerException e) { 14997 res.setError(e.error, e.getMessage()); 14998 return; 14999 } 15000 } 15001 15002 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15003 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15004 systemApp = (ps.pkg.applicationInfo.flags & 15005 ApplicationInfo.FLAG_SYSTEM) != 0; 15006 } 15007 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15008 } 15009 15010 // Check whether the newly-scanned package wants to define an already-defined perm 15011 int N = pkg.permissions.size(); 15012 for (int i = N-1; i >= 0; i--) { 15013 PackageParser.Permission perm = pkg.permissions.get(i); 15014 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15015 if (bp != null) { 15016 // If the defining package is signed with our cert, it's okay. This 15017 // also includes the "updating the same package" case, of course. 15018 // "updating same package" could also involve key-rotation. 15019 final boolean sigsOk; 15020 if (bp.sourcePackage.equals(pkg.packageName) 15021 && (bp.packageSetting instanceof PackageSetting) 15022 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15023 scanFlags))) { 15024 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15025 } else { 15026 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15027 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15028 } 15029 if (!sigsOk) { 15030 // If the owning package is the system itself, we log but allow 15031 // install to proceed; we fail the install on all other permission 15032 // redefinitions. 15033 if (!bp.sourcePackage.equals("android")) { 15034 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15035 + pkg.packageName + " attempting to redeclare permission " 15036 + perm.info.name + " already owned by " + bp.sourcePackage); 15037 res.origPermission = perm.info.name; 15038 res.origPackage = bp.sourcePackage; 15039 return; 15040 } else { 15041 Slog.w(TAG, "Package " + pkg.packageName 15042 + " attempting to redeclare system permission " 15043 + perm.info.name + "; ignoring new declaration"); 15044 pkg.permissions.remove(i); 15045 } 15046 } 15047 } 15048 } 15049 } 15050 15051 if (systemApp) { 15052 if (onExternal) { 15053 // Abort update; system app can't be replaced with app on sdcard 15054 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15055 "Cannot install updates to system apps on sdcard"); 15056 return; 15057 } else if (ephemeral) { 15058 // Abort update; system app can't be replaced with an ephemeral app 15059 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15060 "Cannot update a system app with an ephemeral app"); 15061 return; 15062 } 15063 } 15064 15065 if (args.move != null) { 15066 // We did an in-place move, so dex is ready to roll 15067 scanFlags |= SCAN_NO_DEX; 15068 scanFlags |= SCAN_MOVE; 15069 15070 synchronized (mPackages) { 15071 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15072 if (ps == null) { 15073 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15074 "Missing settings for moved package " + pkgName); 15075 } 15076 15077 // We moved the entire application as-is, so bring over the 15078 // previously derived ABI information. 15079 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15080 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15081 } 15082 15083 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15084 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15085 scanFlags |= SCAN_NO_DEX; 15086 15087 try { 15088 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15089 args.abiOverride : pkg.cpuAbiOverride); 15090 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15091 true /* extract libs */); 15092 } catch (PackageManagerException pme) { 15093 Slog.e(TAG, "Error deriving application ABI", pme); 15094 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15095 return; 15096 } 15097 15098 // Shared libraries for the package need to be updated. 15099 synchronized (mPackages) { 15100 try { 15101 updateSharedLibrariesLPw(pkg, null); 15102 } catch (PackageManagerException e) { 15103 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15104 } 15105 } 15106 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15107 // Do not run PackageDexOptimizer through the local performDexOpt 15108 // method because `pkg` may not be in `mPackages` yet. 15109 // 15110 // Also, don't fail application installs if the dexopt step fails. 15111 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15112 null /* instructionSets */, false /* checkProfiles */, 15113 getCompilerFilterForReason(REASON_INSTALL), 15114 getOrCreateCompilerPackageStats(pkg)); 15115 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15116 15117 // Notify BackgroundDexOptService that the package has been changed. 15118 // If this is an update of a package which used to fail to compile, 15119 // BDOS will remove it from its blacklist. 15120 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15121 } 15122 15123 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15124 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15125 return; 15126 } 15127 15128 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15129 15130 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15131 "installPackageLI")) { 15132 if (replace) { 15133 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15134 installerPackageName, res); 15135 } else { 15136 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15137 args.user, installerPackageName, volumeUuid, res); 15138 } 15139 } 15140 synchronized (mPackages) { 15141 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15142 if (ps != null) { 15143 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15144 } 15145 15146 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15147 for (int i = 0; i < childCount; i++) { 15148 PackageParser.Package childPkg = pkg.childPackages.get(i); 15149 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15150 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15151 if (childPs != null) { 15152 childRes.newUsers = childPs.queryInstalledUsers( 15153 sUserManager.getUserIds(), true); 15154 } 15155 } 15156 } 15157 } 15158 15159 private void startIntentFilterVerifications(int userId, boolean replacing, 15160 PackageParser.Package pkg) { 15161 if (mIntentFilterVerifierComponent == null) { 15162 Slog.w(TAG, "No IntentFilter verification will not be done as " 15163 + "there is no IntentFilterVerifier available!"); 15164 return; 15165 } 15166 15167 final int verifierUid = getPackageUid( 15168 mIntentFilterVerifierComponent.getPackageName(), 15169 MATCH_DEBUG_TRIAGED_MISSING, 15170 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15171 15172 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15173 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15174 mHandler.sendMessage(msg); 15175 15176 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15177 for (int i = 0; i < childCount; i++) { 15178 PackageParser.Package childPkg = pkg.childPackages.get(i); 15179 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15180 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15181 mHandler.sendMessage(msg); 15182 } 15183 } 15184 15185 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15186 PackageParser.Package pkg) { 15187 int size = pkg.activities.size(); 15188 if (size == 0) { 15189 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15190 "No activity, so no need to verify any IntentFilter!"); 15191 return; 15192 } 15193 15194 final boolean hasDomainURLs = hasDomainURLs(pkg); 15195 if (!hasDomainURLs) { 15196 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15197 "No domain URLs, so no need to verify any IntentFilter!"); 15198 return; 15199 } 15200 15201 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15202 + " if any IntentFilter from the " + size 15203 + " Activities needs verification ..."); 15204 15205 int count = 0; 15206 final String packageName = pkg.packageName; 15207 15208 synchronized (mPackages) { 15209 // If this is a new install and we see that we've already run verification for this 15210 // package, we have nothing to do: it means the state was restored from backup. 15211 if (!replacing) { 15212 IntentFilterVerificationInfo ivi = 15213 mSettings.getIntentFilterVerificationLPr(packageName); 15214 if (ivi != null) { 15215 if (DEBUG_DOMAIN_VERIFICATION) { 15216 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15217 + ivi.getStatusString()); 15218 } 15219 return; 15220 } 15221 } 15222 15223 // If any filters need to be verified, then all need to be. 15224 boolean needToVerify = false; 15225 for (PackageParser.Activity a : pkg.activities) { 15226 for (ActivityIntentInfo filter : a.intents) { 15227 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15228 if (DEBUG_DOMAIN_VERIFICATION) { 15229 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15230 } 15231 needToVerify = true; 15232 break; 15233 } 15234 } 15235 } 15236 15237 if (needToVerify) { 15238 final int verificationId = mIntentFilterVerificationToken++; 15239 for (PackageParser.Activity a : pkg.activities) { 15240 for (ActivityIntentInfo filter : a.intents) { 15241 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15242 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15243 "Verification needed for IntentFilter:" + filter.toString()); 15244 mIntentFilterVerifier.addOneIntentFilterVerification( 15245 verifierUid, userId, verificationId, filter, packageName); 15246 count++; 15247 } 15248 } 15249 } 15250 } 15251 } 15252 15253 if (count > 0) { 15254 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15255 + " IntentFilter verification" + (count > 1 ? "s" : "") 15256 + " for userId:" + userId); 15257 mIntentFilterVerifier.startVerifications(userId); 15258 } else { 15259 if (DEBUG_DOMAIN_VERIFICATION) { 15260 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15261 } 15262 } 15263 } 15264 15265 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15266 final ComponentName cn = filter.activity.getComponentName(); 15267 final String packageName = cn.getPackageName(); 15268 15269 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15270 packageName); 15271 if (ivi == null) { 15272 return true; 15273 } 15274 int status = ivi.getStatus(); 15275 switch (status) { 15276 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15277 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15278 return true; 15279 15280 default: 15281 // Nothing to do 15282 return false; 15283 } 15284 } 15285 15286 private static boolean isMultiArch(ApplicationInfo info) { 15287 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15288 } 15289 15290 private static boolean isExternal(PackageParser.Package pkg) { 15291 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15292 } 15293 15294 private static boolean isExternal(PackageSetting ps) { 15295 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15296 } 15297 15298 private static boolean isEphemeral(PackageParser.Package pkg) { 15299 return pkg.applicationInfo.isEphemeralApp(); 15300 } 15301 15302 private static boolean isEphemeral(PackageSetting ps) { 15303 return ps.pkg != null && isEphemeral(ps.pkg); 15304 } 15305 15306 private static boolean isSystemApp(PackageParser.Package pkg) { 15307 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15308 } 15309 15310 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15311 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15312 } 15313 15314 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15315 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15316 } 15317 15318 private static boolean isSystemApp(PackageSetting ps) { 15319 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15320 } 15321 15322 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15323 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15324 } 15325 15326 private int packageFlagsToInstallFlags(PackageSetting ps) { 15327 int installFlags = 0; 15328 if (isEphemeral(ps)) { 15329 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15330 } 15331 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15332 // This existing package was an external ASEC install when we have 15333 // the external flag without a UUID 15334 installFlags |= PackageManager.INSTALL_EXTERNAL; 15335 } 15336 if (ps.isForwardLocked()) { 15337 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15338 } 15339 return installFlags; 15340 } 15341 15342 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15343 if (isExternal(pkg)) { 15344 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15345 return StorageManager.UUID_PRIMARY_PHYSICAL; 15346 } else { 15347 return pkg.volumeUuid; 15348 } 15349 } else { 15350 return StorageManager.UUID_PRIVATE_INTERNAL; 15351 } 15352 } 15353 15354 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15355 if (isExternal(pkg)) { 15356 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15357 return mSettings.getExternalVersion(); 15358 } else { 15359 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15360 } 15361 } else { 15362 return mSettings.getInternalVersion(); 15363 } 15364 } 15365 15366 private void deleteTempPackageFiles() { 15367 final FilenameFilter filter = new FilenameFilter() { 15368 public boolean accept(File dir, String name) { 15369 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15370 } 15371 }; 15372 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15373 file.delete(); 15374 } 15375 } 15376 15377 @Override 15378 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15379 int flags) { 15380 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15381 flags); 15382 } 15383 15384 @Override 15385 public void deletePackage(final String packageName, 15386 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15387 mContext.enforceCallingOrSelfPermission( 15388 android.Manifest.permission.DELETE_PACKAGES, null); 15389 Preconditions.checkNotNull(packageName); 15390 Preconditions.checkNotNull(observer); 15391 final int uid = Binder.getCallingUid(); 15392 if (uid != Process.SHELL_UID && uid != Process.ROOT_UID && uid != Process.SYSTEM_UID 15393 && uid != getPackageUid(mRequiredInstallerPackage, 0, UserHandle.getUserId(uid)) 15394 && uid != getPackageUid(mStorageManagerPackage, 0, UserHandle.getUserId(uid)) 15395 && !isOrphaned(packageName) 15396 && !isCallerSameAsInstaller(uid, packageName)) { 15397 try { 15398 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15399 intent.setData(Uri.fromParts("package", packageName, null)); 15400 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15401 observer.onUserActionRequired(intent); 15402 } catch (RemoteException re) { 15403 } 15404 return; 15405 } 15406 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15407 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15408 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15409 mContext.enforceCallingOrSelfPermission( 15410 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15411 "deletePackage for user " + userId); 15412 } 15413 15414 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15415 try { 15416 observer.onPackageDeleted(packageName, 15417 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15418 } catch (RemoteException re) { 15419 } 15420 return; 15421 } 15422 15423 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15424 try { 15425 observer.onPackageDeleted(packageName, 15426 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15427 } catch (RemoteException re) { 15428 } 15429 return; 15430 } 15431 15432 if (DEBUG_REMOVE) { 15433 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15434 + " deleteAllUsers: " + deleteAllUsers ); 15435 } 15436 // Queue up an async operation since the package deletion may take a little while. 15437 mHandler.post(new Runnable() { 15438 public void run() { 15439 mHandler.removeCallbacks(this); 15440 int returnCode; 15441 if (!deleteAllUsers) { 15442 returnCode = deletePackageX(packageName, userId, deleteFlags); 15443 } else { 15444 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15445 // If nobody is blocking uninstall, proceed with delete for all users 15446 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15447 returnCode = deletePackageX(packageName, userId, deleteFlags); 15448 } else { 15449 // Otherwise uninstall individually for users with blockUninstalls=false 15450 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15451 for (int userId : users) { 15452 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15453 returnCode = deletePackageX(packageName, userId, userFlags); 15454 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15455 Slog.w(TAG, "Package delete failed for user " + userId 15456 + ", returnCode " + returnCode); 15457 } 15458 } 15459 } 15460 // The app has only been marked uninstalled for certain users. 15461 // We still need to report that delete was blocked 15462 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15463 } 15464 } 15465 try { 15466 observer.onPackageDeleted(packageName, returnCode, null); 15467 } catch (RemoteException e) { 15468 Log.i(TAG, "Observer no longer exists."); 15469 } //end catch 15470 } //end run 15471 }); 15472 } 15473 15474 private boolean isCallerSameAsInstaller(int callingUid, String pkgName) { 15475 final int installerPkgUid = getPackageUid(getInstallerPackageName(pkgName), 15476 0 /* flags */, UserHandle.getUserId(callingUid)); 15477 return installerPkgUid == callingUid; 15478 } 15479 15480 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15481 int[] result = EMPTY_INT_ARRAY; 15482 for (int userId : userIds) { 15483 if (getBlockUninstallForUser(packageName, userId)) { 15484 result = ArrayUtils.appendInt(result, userId); 15485 } 15486 } 15487 return result; 15488 } 15489 15490 @Override 15491 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15492 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15493 } 15494 15495 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15496 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15497 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15498 try { 15499 if (dpm != null) { 15500 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15501 /* callingUserOnly =*/ false); 15502 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15503 : deviceOwnerComponentName.getPackageName(); 15504 // Does the package contains the device owner? 15505 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15506 // this check is probably not needed, since DO should be registered as a device 15507 // admin on some user too. (Original bug for this: b/17657954) 15508 if (packageName.equals(deviceOwnerPackageName)) { 15509 return true; 15510 } 15511 // Does it contain a device admin for any user? 15512 int[] users; 15513 if (userId == UserHandle.USER_ALL) { 15514 users = sUserManager.getUserIds(); 15515 } else { 15516 users = new int[]{userId}; 15517 } 15518 for (int i = 0; i < users.length; ++i) { 15519 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15520 return true; 15521 } 15522 } 15523 } 15524 } catch (RemoteException e) { 15525 } 15526 return false; 15527 } 15528 15529 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15530 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15531 } 15532 15533 /** 15534 * This method is an internal method that could be get invoked either 15535 * to delete an installed package or to clean up a failed installation. 15536 * After deleting an installed package, a broadcast is sent to notify any 15537 * listeners that the package has been removed. For cleaning up a failed 15538 * installation, the broadcast is not necessary since the package's 15539 * installation wouldn't have sent the initial broadcast either 15540 * The key steps in deleting a package are 15541 * deleting the package information in internal structures like mPackages, 15542 * deleting the packages base directories through installd 15543 * updating mSettings to reflect current status 15544 * persisting settings for later use 15545 * sending a broadcast if necessary 15546 */ 15547 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15548 final PackageRemovedInfo info = new PackageRemovedInfo(); 15549 final boolean res; 15550 15551 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15552 ? UserHandle.USER_ALL : userId; 15553 15554 if (isPackageDeviceAdmin(packageName, removeUser)) { 15555 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15556 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15557 } 15558 15559 PackageSetting uninstalledPs = null; 15560 15561 // for the uninstall-updates case and restricted profiles, remember the per- 15562 // user handle installed state 15563 int[] allUsers; 15564 synchronized (mPackages) { 15565 uninstalledPs = mSettings.mPackages.get(packageName); 15566 if (uninstalledPs == null) { 15567 Slog.w(TAG, "Not removing non-existent package " + packageName); 15568 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15569 } 15570 allUsers = sUserManager.getUserIds(); 15571 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15572 } 15573 15574 final int freezeUser; 15575 if (isUpdatedSystemApp(uninstalledPs) 15576 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15577 // We're downgrading a system app, which will apply to all users, so 15578 // freeze them all during the downgrade 15579 freezeUser = UserHandle.USER_ALL; 15580 } else { 15581 freezeUser = removeUser; 15582 } 15583 15584 synchronized (mInstallLock) { 15585 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15586 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15587 deleteFlags, "deletePackageX")) { 15588 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15589 deleteFlags | REMOVE_CHATTY, info, true, null); 15590 } 15591 synchronized (mPackages) { 15592 if (res) { 15593 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15594 } 15595 } 15596 } 15597 15598 if (res) { 15599 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15600 info.sendPackageRemovedBroadcasts(killApp); 15601 info.sendSystemPackageUpdatedBroadcasts(); 15602 info.sendSystemPackageAppearedBroadcasts(); 15603 } 15604 // Force a gc here. 15605 Runtime.getRuntime().gc(); 15606 // Delete the resources here after sending the broadcast to let 15607 // other processes clean up before deleting resources. 15608 if (info.args != null) { 15609 synchronized (mInstallLock) { 15610 info.args.doPostDeleteLI(true); 15611 } 15612 } 15613 15614 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15615 } 15616 15617 class PackageRemovedInfo { 15618 String removedPackage; 15619 int uid = -1; 15620 int removedAppId = -1; 15621 int[] origUsers; 15622 int[] removedUsers = null; 15623 boolean isRemovedPackageSystemUpdate = false; 15624 boolean isUpdate; 15625 boolean dataRemoved; 15626 boolean removedForAllUsers; 15627 // Clean up resources deleted packages. 15628 InstallArgs args = null; 15629 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15630 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15631 15632 void sendPackageRemovedBroadcasts(boolean killApp) { 15633 sendPackageRemovedBroadcastInternal(killApp); 15634 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15635 for (int i = 0; i < childCount; i++) { 15636 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15637 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15638 } 15639 } 15640 15641 void sendSystemPackageUpdatedBroadcasts() { 15642 if (isRemovedPackageSystemUpdate) { 15643 sendSystemPackageUpdatedBroadcastsInternal(); 15644 final int childCount = (removedChildPackages != null) 15645 ? removedChildPackages.size() : 0; 15646 for (int i = 0; i < childCount; i++) { 15647 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15648 if (childInfo.isRemovedPackageSystemUpdate) { 15649 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15650 } 15651 } 15652 } 15653 } 15654 15655 void sendSystemPackageAppearedBroadcasts() { 15656 final int packageCount = (appearedChildPackages != null) 15657 ? appearedChildPackages.size() : 0; 15658 for (int i = 0; i < packageCount; i++) { 15659 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15660 for (int userId : installedInfo.newUsers) { 15661 sendPackageAddedForUser(installedInfo.name, true, 15662 UserHandle.getAppId(installedInfo.uid), userId); 15663 } 15664 } 15665 } 15666 15667 private void sendSystemPackageUpdatedBroadcastsInternal() { 15668 Bundle extras = new Bundle(2); 15669 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15670 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15671 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15672 extras, 0, null, null, null); 15673 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15674 extras, 0, null, null, null); 15675 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15676 null, 0, removedPackage, null, null); 15677 } 15678 15679 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15680 Bundle extras = new Bundle(2); 15681 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15682 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15683 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15684 if (isUpdate || isRemovedPackageSystemUpdate) { 15685 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15686 } 15687 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15688 if (removedPackage != null) { 15689 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15690 extras, 0, null, null, removedUsers); 15691 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15692 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15693 removedPackage, extras, 0, null, null, removedUsers); 15694 } 15695 } 15696 if (removedAppId >= 0) { 15697 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15698 removedUsers); 15699 } 15700 } 15701 } 15702 15703 /* 15704 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15705 * flag is not set, the data directory is removed as well. 15706 * make sure this flag is set for partially installed apps. If not its meaningless to 15707 * delete a partially installed application. 15708 */ 15709 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15710 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15711 String packageName = ps.name; 15712 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15713 // Retrieve object to delete permissions for shared user later on 15714 final PackageParser.Package deletedPkg; 15715 final PackageSetting deletedPs; 15716 // reader 15717 synchronized (mPackages) { 15718 deletedPkg = mPackages.get(packageName); 15719 deletedPs = mSettings.mPackages.get(packageName); 15720 if (outInfo != null) { 15721 outInfo.removedPackage = packageName; 15722 outInfo.removedUsers = deletedPs != null 15723 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15724 : null; 15725 } 15726 } 15727 15728 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15729 15730 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15731 final PackageParser.Package resolvedPkg; 15732 if (deletedPkg != null) { 15733 resolvedPkg = deletedPkg; 15734 } else { 15735 // We don't have a parsed package when it lives on an ejected 15736 // adopted storage device, so fake something together 15737 resolvedPkg = new PackageParser.Package(ps.name); 15738 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15739 } 15740 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15741 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15742 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15743 if (outInfo != null) { 15744 outInfo.dataRemoved = true; 15745 } 15746 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15747 } 15748 15749 // writer 15750 synchronized (mPackages) { 15751 if (deletedPs != null) { 15752 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15753 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15754 clearDefaultBrowserIfNeeded(packageName); 15755 if (outInfo != null) { 15756 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15757 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15758 } 15759 updatePermissionsLPw(deletedPs.name, null, 0); 15760 if (deletedPs.sharedUser != null) { 15761 // Remove permissions associated with package. Since runtime 15762 // permissions are per user we have to kill the removed package 15763 // or packages running under the shared user of the removed 15764 // package if revoking the permissions requested only by the removed 15765 // package is successful and this causes a change in gids. 15766 for (int userId : UserManagerService.getInstance().getUserIds()) { 15767 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15768 userId); 15769 if (userIdToKill == UserHandle.USER_ALL 15770 || userIdToKill >= UserHandle.USER_SYSTEM) { 15771 // If gids changed for this user, kill all affected packages. 15772 mHandler.post(new Runnable() { 15773 @Override 15774 public void run() { 15775 // This has to happen with no lock held. 15776 killApplication(deletedPs.name, deletedPs.appId, 15777 KILL_APP_REASON_GIDS_CHANGED); 15778 } 15779 }); 15780 break; 15781 } 15782 } 15783 } 15784 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15785 } 15786 // make sure to preserve per-user disabled state if this removal was just 15787 // a downgrade of a system app to the factory package 15788 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15789 if (DEBUG_REMOVE) { 15790 Slog.d(TAG, "Propagating install state across downgrade"); 15791 } 15792 for (int userId : allUserHandles) { 15793 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15794 if (DEBUG_REMOVE) { 15795 Slog.d(TAG, " user " + userId + " => " + installed); 15796 } 15797 ps.setInstalled(installed, userId); 15798 } 15799 } 15800 } 15801 // can downgrade to reader 15802 if (writeSettings) { 15803 // Save settings now 15804 mSettings.writeLPr(); 15805 } 15806 } 15807 if (outInfo != null) { 15808 // A user ID was deleted here. Go through all users and remove it 15809 // from KeyStore. 15810 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15811 } 15812 } 15813 15814 static boolean locationIsPrivileged(File path) { 15815 try { 15816 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15817 .getCanonicalPath(); 15818 return path.getCanonicalPath().startsWith(privilegedAppDir); 15819 } catch (IOException e) { 15820 Slog.e(TAG, "Unable to access code path " + path); 15821 } 15822 return false; 15823 } 15824 15825 /* 15826 * Tries to delete system package. 15827 */ 15828 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15829 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15830 boolean writeSettings) { 15831 if (deletedPs.parentPackageName != null) { 15832 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15833 return false; 15834 } 15835 15836 final boolean applyUserRestrictions 15837 = (allUserHandles != null) && (outInfo.origUsers != null); 15838 final PackageSetting disabledPs; 15839 // Confirm if the system package has been updated 15840 // An updated system app can be deleted. This will also have to restore 15841 // the system pkg from system partition 15842 // reader 15843 synchronized (mPackages) { 15844 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15845 } 15846 15847 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15848 + " disabledPs=" + disabledPs); 15849 15850 if (disabledPs == null) { 15851 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15852 return false; 15853 } else if (DEBUG_REMOVE) { 15854 Slog.d(TAG, "Deleting system pkg from data partition"); 15855 } 15856 15857 if (DEBUG_REMOVE) { 15858 if (applyUserRestrictions) { 15859 Slog.d(TAG, "Remembering install states:"); 15860 for (int userId : allUserHandles) { 15861 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15862 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15863 } 15864 } 15865 } 15866 15867 // Delete the updated package 15868 outInfo.isRemovedPackageSystemUpdate = true; 15869 if (outInfo.removedChildPackages != null) { 15870 final int childCount = (deletedPs.childPackageNames != null) 15871 ? deletedPs.childPackageNames.size() : 0; 15872 for (int i = 0; i < childCount; i++) { 15873 String childPackageName = deletedPs.childPackageNames.get(i); 15874 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15875 .contains(childPackageName)) { 15876 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15877 childPackageName); 15878 if (childInfo != null) { 15879 childInfo.isRemovedPackageSystemUpdate = true; 15880 } 15881 } 15882 } 15883 } 15884 15885 if (disabledPs.versionCode < deletedPs.versionCode) { 15886 // Delete data for downgrades 15887 flags &= ~PackageManager.DELETE_KEEP_DATA; 15888 } else { 15889 // Preserve data by setting flag 15890 flags |= PackageManager.DELETE_KEEP_DATA; 15891 } 15892 15893 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15894 outInfo, writeSettings, disabledPs.pkg); 15895 if (!ret) { 15896 return false; 15897 } 15898 15899 // writer 15900 synchronized (mPackages) { 15901 // Reinstate the old system package 15902 enableSystemPackageLPw(disabledPs.pkg); 15903 // Remove any native libraries from the upgraded package. 15904 removeNativeBinariesLI(deletedPs); 15905 } 15906 15907 // Install the system package 15908 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15909 int parseFlags = mDefParseFlags 15910 | PackageParser.PARSE_MUST_BE_APK 15911 | PackageParser.PARSE_IS_SYSTEM 15912 | PackageParser.PARSE_IS_SYSTEM_DIR; 15913 if (locationIsPrivileged(disabledPs.codePath)) { 15914 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15915 } 15916 15917 final PackageParser.Package newPkg; 15918 try { 15919 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15920 } catch (PackageManagerException e) { 15921 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15922 + e.getMessage()); 15923 return false; 15924 } 15925 try { 15926 // update shared libraries for the newly re-installed system package 15927 updateSharedLibrariesLPw(newPkg, null); 15928 } catch (PackageManagerException e) { 15929 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 15930 } 15931 15932 prepareAppDataAfterInstallLIF(newPkg); 15933 15934 // writer 15935 synchronized (mPackages) { 15936 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15937 15938 // Propagate the permissions state as we do not want to drop on the floor 15939 // runtime permissions. The update permissions method below will take 15940 // care of removing obsolete permissions and grant install permissions. 15941 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15942 updatePermissionsLPw(newPkg.packageName, newPkg, 15943 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15944 15945 if (applyUserRestrictions) { 15946 if (DEBUG_REMOVE) { 15947 Slog.d(TAG, "Propagating install state across reinstall"); 15948 } 15949 for (int userId : allUserHandles) { 15950 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15951 if (DEBUG_REMOVE) { 15952 Slog.d(TAG, " user " + userId + " => " + installed); 15953 } 15954 ps.setInstalled(installed, userId); 15955 15956 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15957 } 15958 // Regardless of writeSettings we need to ensure that this restriction 15959 // state propagation is persisted 15960 mSettings.writeAllUsersPackageRestrictionsLPr(); 15961 } 15962 // can downgrade to reader here 15963 if (writeSettings) { 15964 mSettings.writeLPr(); 15965 } 15966 } 15967 return true; 15968 } 15969 15970 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15971 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15972 PackageRemovedInfo outInfo, boolean writeSettings, 15973 PackageParser.Package replacingPackage) { 15974 synchronized (mPackages) { 15975 if (outInfo != null) { 15976 outInfo.uid = ps.appId; 15977 } 15978 15979 if (outInfo != null && outInfo.removedChildPackages != null) { 15980 final int childCount = (ps.childPackageNames != null) 15981 ? ps.childPackageNames.size() : 0; 15982 for (int i = 0; i < childCount; i++) { 15983 String childPackageName = ps.childPackageNames.get(i); 15984 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15985 if (childPs == null) { 15986 return false; 15987 } 15988 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15989 childPackageName); 15990 if (childInfo != null) { 15991 childInfo.uid = childPs.appId; 15992 } 15993 } 15994 } 15995 } 15996 15997 // Delete package data from internal structures and also remove data if flag is set 15998 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15999 16000 // Delete the child packages data 16001 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16002 for (int i = 0; i < childCount; i++) { 16003 PackageSetting childPs; 16004 synchronized (mPackages) { 16005 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16006 } 16007 if (childPs != null) { 16008 PackageRemovedInfo childOutInfo = (outInfo != null 16009 && outInfo.removedChildPackages != null) 16010 ? outInfo.removedChildPackages.get(childPs.name) : null; 16011 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16012 && (replacingPackage != null 16013 && !replacingPackage.hasChildPackage(childPs.name)) 16014 ? flags & ~DELETE_KEEP_DATA : flags; 16015 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16016 deleteFlags, writeSettings); 16017 } 16018 } 16019 16020 // Delete application code and resources only for parent packages 16021 if (ps.parentPackageName == null) { 16022 if (deleteCodeAndResources && (outInfo != null)) { 16023 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16024 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16025 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16026 } 16027 } 16028 16029 return true; 16030 } 16031 16032 @Override 16033 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16034 int userId) { 16035 mContext.enforceCallingOrSelfPermission( 16036 android.Manifest.permission.DELETE_PACKAGES, null); 16037 synchronized (mPackages) { 16038 PackageSetting ps = mSettings.mPackages.get(packageName); 16039 if (ps == null) { 16040 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16041 return false; 16042 } 16043 if (!ps.getInstalled(userId)) { 16044 // Can't block uninstall for an app that is not installed or enabled. 16045 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16046 return false; 16047 } 16048 ps.setBlockUninstall(blockUninstall, userId); 16049 mSettings.writePackageRestrictionsLPr(userId); 16050 } 16051 return true; 16052 } 16053 16054 @Override 16055 public boolean getBlockUninstallForUser(String packageName, int userId) { 16056 synchronized (mPackages) { 16057 PackageSetting ps = mSettings.mPackages.get(packageName); 16058 if (ps == null) { 16059 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16060 return false; 16061 } 16062 return ps.getBlockUninstall(userId); 16063 } 16064 } 16065 16066 @Override 16067 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16068 int callingUid = Binder.getCallingUid(); 16069 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16070 throw new SecurityException( 16071 "setRequiredForSystemUser can only be run by the system or root"); 16072 } 16073 synchronized (mPackages) { 16074 PackageSetting ps = mSettings.mPackages.get(packageName); 16075 if (ps == null) { 16076 Log.w(TAG, "Package doesn't exist: " + packageName); 16077 return false; 16078 } 16079 if (systemUserApp) { 16080 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16081 } else { 16082 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16083 } 16084 mSettings.writeLPr(); 16085 } 16086 return true; 16087 } 16088 16089 /* 16090 * This method handles package deletion in general 16091 */ 16092 private boolean deletePackageLIF(String packageName, UserHandle user, 16093 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16094 PackageRemovedInfo outInfo, boolean writeSettings, 16095 PackageParser.Package replacingPackage) { 16096 if (packageName == null) { 16097 Slog.w(TAG, "Attempt to delete null packageName."); 16098 return false; 16099 } 16100 16101 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16102 16103 PackageSetting ps; 16104 16105 synchronized (mPackages) { 16106 ps = mSettings.mPackages.get(packageName); 16107 if (ps == null) { 16108 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16109 return false; 16110 } 16111 16112 if (ps.parentPackageName != null && (!isSystemApp(ps) 16113 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16114 if (DEBUG_REMOVE) { 16115 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16116 + ((user == null) ? UserHandle.USER_ALL : user)); 16117 } 16118 final int removedUserId = (user != null) ? user.getIdentifier() 16119 : UserHandle.USER_ALL; 16120 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16121 return false; 16122 } 16123 markPackageUninstalledForUserLPw(ps, user); 16124 scheduleWritePackageRestrictionsLocked(user); 16125 return true; 16126 } 16127 } 16128 16129 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16130 && user.getIdentifier() != UserHandle.USER_ALL)) { 16131 // The caller is asking that the package only be deleted for a single 16132 // user. To do this, we just mark its uninstalled state and delete 16133 // its data. If this is a system app, we only allow this to happen if 16134 // they have set the special DELETE_SYSTEM_APP which requests different 16135 // semantics than normal for uninstalling system apps. 16136 markPackageUninstalledForUserLPw(ps, user); 16137 16138 if (!isSystemApp(ps)) { 16139 // Do not uninstall the APK if an app should be cached 16140 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16141 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16142 // Other user still have this package installed, so all 16143 // we need to do is clear this user's data and save that 16144 // it is uninstalled. 16145 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16146 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16147 return false; 16148 } 16149 scheduleWritePackageRestrictionsLocked(user); 16150 return true; 16151 } else { 16152 // We need to set it back to 'installed' so the uninstall 16153 // broadcasts will be sent correctly. 16154 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16155 ps.setInstalled(true, user.getIdentifier()); 16156 } 16157 } else { 16158 // This is a system app, so we assume that the 16159 // other users still have this package installed, so all 16160 // we need to do is clear this user's data and save that 16161 // it is uninstalled. 16162 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16163 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16164 return false; 16165 } 16166 scheduleWritePackageRestrictionsLocked(user); 16167 return true; 16168 } 16169 } 16170 16171 // If we are deleting a composite package for all users, keep track 16172 // of result for each child. 16173 if (ps.childPackageNames != null && outInfo != null) { 16174 synchronized (mPackages) { 16175 final int childCount = ps.childPackageNames.size(); 16176 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16177 for (int i = 0; i < childCount; i++) { 16178 String childPackageName = ps.childPackageNames.get(i); 16179 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16180 childInfo.removedPackage = childPackageName; 16181 outInfo.removedChildPackages.put(childPackageName, childInfo); 16182 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16183 if (childPs != null) { 16184 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16185 } 16186 } 16187 } 16188 } 16189 16190 boolean ret = false; 16191 if (isSystemApp(ps)) { 16192 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16193 // When an updated system application is deleted we delete the existing resources 16194 // as well and fall back to existing code in system partition 16195 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16196 } else { 16197 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16198 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16199 outInfo, writeSettings, replacingPackage); 16200 } 16201 16202 // Take a note whether we deleted the package for all users 16203 if (outInfo != null) { 16204 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16205 if (outInfo.removedChildPackages != null) { 16206 synchronized (mPackages) { 16207 final int childCount = outInfo.removedChildPackages.size(); 16208 for (int i = 0; i < childCount; i++) { 16209 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16210 if (childInfo != null) { 16211 childInfo.removedForAllUsers = mPackages.get( 16212 childInfo.removedPackage) == null; 16213 } 16214 } 16215 } 16216 } 16217 // If we uninstalled an update to a system app there may be some 16218 // child packages that appeared as they are declared in the system 16219 // app but were not declared in the update. 16220 if (isSystemApp(ps)) { 16221 synchronized (mPackages) { 16222 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16223 final int childCount = (updatedPs.childPackageNames != null) 16224 ? updatedPs.childPackageNames.size() : 0; 16225 for (int i = 0; i < childCount; i++) { 16226 String childPackageName = updatedPs.childPackageNames.get(i); 16227 if (outInfo.removedChildPackages == null 16228 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16229 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16230 if (childPs == null) { 16231 continue; 16232 } 16233 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16234 installRes.name = childPackageName; 16235 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16236 installRes.pkg = mPackages.get(childPackageName); 16237 installRes.uid = childPs.pkg.applicationInfo.uid; 16238 if (outInfo.appearedChildPackages == null) { 16239 outInfo.appearedChildPackages = new ArrayMap<>(); 16240 } 16241 outInfo.appearedChildPackages.put(childPackageName, installRes); 16242 } 16243 } 16244 } 16245 } 16246 } 16247 16248 return ret; 16249 } 16250 16251 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16252 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16253 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16254 for (int nextUserId : userIds) { 16255 if (DEBUG_REMOVE) { 16256 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16257 } 16258 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16259 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16260 false /*hidden*/, false /*suspended*/, null, null, null, 16261 false /*blockUninstall*/, 16262 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16263 } 16264 } 16265 16266 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16267 PackageRemovedInfo outInfo) { 16268 final PackageParser.Package pkg; 16269 synchronized (mPackages) { 16270 pkg = mPackages.get(ps.name); 16271 } 16272 16273 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16274 : new int[] {userId}; 16275 for (int nextUserId : userIds) { 16276 if (DEBUG_REMOVE) { 16277 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16278 + nextUserId); 16279 } 16280 16281 destroyAppDataLIF(pkg, userId, 16282 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16283 destroyAppProfilesLIF(pkg, userId); 16284 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16285 schedulePackageCleaning(ps.name, nextUserId, false); 16286 synchronized (mPackages) { 16287 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16288 scheduleWritePackageRestrictionsLocked(nextUserId); 16289 } 16290 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16291 } 16292 } 16293 16294 if (outInfo != null) { 16295 outInfo.removedPackage = ps.name; 16296 outInfo.removedAppId = ps.appId; 16297 outInfo.removedUsers = userIds; 16298 } 16299 16300 return true; 16301 } 16302 16303 private final class ClearStorageConnection implements ServiceConnection { 16304 IMediaContainerService mContainerService; 16305 16306 @Override 16307 public void onServiceConnected(ComponentName name, IBinder service) { 16308 synchronized (this) { 16309 mContainerService = IMediaContainerService.Stub.asInterface(service); 16310 notifyAll(); 16311 } 16312 } 16313 16314 @Override 16315 public void onServiceDisconnected(ComponentName name) { 16316 } 16317 } 16318 16319 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16320 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16321 16322 final boolean mounted; 16323 if (Environment.isExternalStorageEmulated()) { 16324 mounted = true; 16325 } else { 16326 final String status = Environment.getExternalStorageState(); 16327 16328 mounted = status.equals(Environment.MEDIA_MOUNTED) 16329 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16330 } 16331 16332 if (!mounted) { 16333 return; 16334 } 16335 16336 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16337 int[] users; 16338 if (userId == UserHandle.USER_ALL) { 16339 users = sUserManager.getUserIds(); 16340 } else { 16341 users = new int[] { userId }; 16342 } 16343 final ClearStorageConnection conn = new ClearStorageConnection(); 16344 if (mContext.bindServiceAsUser( 16345 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16346 try { 16347 for (int curUser : users) { 16348 long timeout = SystemClock.uptimeMillis() + 5000; 16349 synchronized (conn) { 16350 long now; 16351 while (conn.mContainerService == null && 16352 (now = SystemClock.uptimeMillis()) < timeout) { 16353 try { 16354 conn.wait(timeout - now); 16355 } catch (InterruptedException e) { 16356 } 16357 } 16358 } 16359 if (conn.mContainerService == null) { 16360 return; 16361 } 16362 16363 final UserEnvironment userEnv = new UserEnvironment(curUser); 16364 clearDirectory(conn.mContainerService, 16365 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16366 if (allData) { 16367 clearDirectory(conn.mContainerService, 16368 userEnv.buildExternalStorageAppDataDirs(packageName)); 16369 clearDirectory(conn.mContainerService, 16370 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16371 } 16372 } 16373 } finally { 16374 mContext.unbindService(conn); 16375 } 16376 } 16377 } 16378 16379 @Override 16380 public void clearApplicationProfileData(String packageName) { 16381 enforceSystemOrRoot("Only the system can clear all profile data"); 16382 16383 final PackageParser.Package pkg; 16384 synchronized (mPackages) { 16385 pkg = mPackages.get(packageName); 16386 } 16387 16388 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16389 synchronized (mInstallLock) { 16390 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16391 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16392 true /* removeBaseMarker */); 16393 } 16394 } 16395 } 16396 16397 @Override 16398 public void clearApplicationUserData(final String packageName, 16399 final IPackageDataObserver observer, final int userId) { 16400 mContext.enforceCallingOrSelfPermission( 16401 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16402 16403 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16404 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16405 16406 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16407 throw new SecurityException("Cannot clear data for a protected package: " 16408 + packageName); 16409 } 16410 // Queue up an async operation since the package deletion may take a little while. 16411 mHandler.post(new Runnable() { 16412 public void run() { 16413 mHandler.removeCallbacks(this); 16414 final boolean succeeded; 16415 try (PackageFreezer freezer = freezePackage(packageName, 16416 "clearApplicationUserData")) { 16417 synchronized (mInstallLock) { 16418 succeeded = clearApplicationUserDataLIF(packageName, userId); 16419 } 16420 clearExternalStorageDataSync(packageName, userId, true); 16421 } 16422 if (succeeded) { 16423 // invoke DeviceStorageMonitor's update method to clear any notifications 16424 DeviceStorageMonitorInternal dsm = LocalServices 16425 .getService(DeviceStorageMonitorInternal.class); 16426 if (dsm != null) { 16427 dsm.checkMemory(); 16428 } 16429 } 16430 if(observer != null) { 16431 try { 16432 observer.onRemoveCompleted(packageName, succeeded); 16433 } catch (RemoteException e) { 16434 Log.i(TAG, "Observer no longer exists."); 16435 } 16436 } //end if observer 16437 } //end run 16438 }); 16439 } 16440 16441 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16442 if (packageName == null) { 16443 Slog.w(TAG, "Attempt to delete null packageName."); 16444 return false; 16445 } 16446 16447 // Try finding details about the requested package 16448 PackageParser.Package pkg; 16449 synchronized (mPackages) { 16450 pkg = mPackages.get(packageName); 16451 if (pkg == null) { 16452 final PackageSetting ps = mSettings.mPackages.get(packageName); 16453 if (ps != null) { 16454 pkg = ps.pkg; 16455 } 16456 } 16457 16458 if (pkg == null) { 16459 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16460 return false; 16461 } 16462 16463 PackageSetting ps = (PackageSetting) pkg.mExtras; 16464 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16465 } 16466 16467 clearAppDataLIF(pkg, userId, 16468 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16469 16470 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16471 removeKeystoreDataIfNeeded(userId, appId); 16472 16473 UserManagerInternal umInternal = getUserManagerInternal(); 16474 final int flags; 16475 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16476 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16477 } else if (umInternal.isUserRunning(userId)) { 16478 flags = StorageManager.FLAG_STORAGE_DE; 16479 } else { 16480 flags = 0; 16481 } 16482 prepareAppDataContentsLIF(pkg, userId, flags); 16483 16484 return true; 16485 } 16486 16487 /** 16488 * Reverts user permission state changes (permissions and flags) in 16489 * all packages for a given user. 16490 * 16491 * @param userId The device user for which to do a reset. 16492 */ 16493 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16494 final int packageCount = mPackages.size(); 16495 for (int i = 0; i < packageCount; i++) { 16496 PackageParser.Package pkg = mPackages.valueAt(i); 16497 PackageSetting ps = (PackageSetting) pkg.mExtras; 16498 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16499 } 16500 } 16501 16502 private void resetNetworkPolicies(int userId) { 16503 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16504 } 16505 16506 /** 16507 * Reverts user permission state changes (permissions and flags). 16508 * 16509 * @param ps The package for which to reset. 16510 * @param userId The device user for which to do a reset. 16511 */ 16512 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16513 final PackageSetting ps, final int userId) { 16514 if (ps.pkg == null) { 16515 return; 16516 } 16517 16518 // These are flags that can change base on user actions. 16519 final int userSettableMask = FLAG_PERMISSION_USER_SET 16520 | FLAG_PERMISSION_USER_FIXED 16521 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16522 | FLAG_PERMISSION_REVIEW_REQUIRED; 16523 16524 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16525 | FLAG_PERMISSION_POLICY_FIXED; 16526 16527 boolean writeInstallPermissions = false; 16528 boolean writeRuntimePermissions = false; 16529 16530 final int permissionCount = ps.pkg.requestedPermissions.size(); 16531 for (int i = 0; i < permissionCount; i++) { 16532 String permission = ps.pkg.requestedPermissions.get(i); 16533 16534 BasePermission bp = mSettings.mPermissions.get(permission); 16535 if (bp == null) { 16536 continue; 16537 } 16538 16539 // If shared user we just reset the state to which only this app contributed. 16540 if (ps.sharedUser != null) { 16541 boolean used = false; 16542 final int packageCount = ps.sharedUser.packages.size(); 16543 for (int j = 0; j < packageCount; j++) { 16544 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16545 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16546 && pkg.pkg.requestedPermissions.contains(permission)) { 16547 used = true; 16548 break; 16549 } 16550 } 16551 if (used) { 16552 continue; 16553 } 16554 } 16555 16556 PermissionsState permissionsState = ps.getPermissionsState(); 16557 16558 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16559 16560 // Always clear the user settable flags. 16561 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16562 bp.name) != null; 16563 // If permission review is enabled and this is a legacy app, mark the 16564 // permission as requiring a review as this is the initial state. 16565 int flags = 0; 16566 if (mPermissionReviewRequired 16567 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16568 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16569 } 16570 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16571 if (hasInstallState) { 16572 writeInstallPermissions = true; 16573 } else { 16574 writeRuntimePermissions = true; 16575 } 16576 } 16577 16578 // Below is only runtime permission handling. 16579 if (!bp.isRuntime()) { 16580 continue; 16581 } 16582 16583 // Never clobber system or policy. 16584 if ((oldFlags & policyOrSystemFlags) != 0) { 16585 continue; 16586 } 16587 16588 // If this permission was granted by default, make sure it is. 16589 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16590 if (permissionsState.grantRuntimePermission(bp, userId) 16591 != PERMISSION_OPERATION_FAILURE) { 16592 writeRuntimePermissions = true; 16593 } 16594 // If permission review is enabled the permissions for a legacy apps 16595 // are represented as constantly granted runtime ones, so don't revoke. 16596 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16597 // Otherwise, reset the permission. 16598 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16599 switch (revokeResult) { 16600 case PERMISSION_OPERATION_SUCCESS: 16601 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16602 writeRuntimePermissions = true; 16603 final int appId = ps.appId; 16604 mHandler.post(new Runnable() { 16605 @Override 16606 public void run() { 16607 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16608 } 16609 }); 16610 } break; 16611 } 16612 } 16613 } 16614 16615 // Synchronously write as we are taking permissions away. 16616 if (writeRuntimePermissions) { 16617 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16618 } 16619 16620 // Synchronously write as we are taking permissions away. 16621 if (writeInstallPermissions) { 16622 mSettings.writeLPr(); 16623 } 16624 } 16625 16626 /** 16627 * Remove entries from the keystore daemon. Will only remove it if the 16628 * {@code appId} is valid. 16629 */ 16630 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16631 if (appId < 0) { 16632 return; 16633 } 16634 16635 final KeyStore keyStore = KeyStore.getInstance(); 16636 if (keyStore != null) { 16637 if (userId == UserHandle.USER_ALL) { 16638 for (final int individual : sUserManager.getUserIds()) { 16639 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16640 } 16641 } else { 16642 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16643 } 16644 } else { 16645 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16646 } 16647 } 16648 16649 @Override 16650 public void deleteApplicationCacheFiles(final String packageName, 16651 final IPackageDataObserver observer) { 16652 final int userId = UserHandle.getCallingUserId(); 16653 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16654 } 16655 16656 @Override 16657 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16658 final IPackageDataObserver observer) { 16659 mContext.enforceCallingOrSelfPermission( 16660 android.Manifest.permission.DELETE_CACHE_FILES, null); 16661 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16662 /* requireFullPermission= */ true, /* checkShell= */ false, 16663 "delete application cache files"); 16664 16665 final PackageParser.Package pkg; 16666 synchronized (mPackages) { 16667 pkg = mPackages.get(packageName); 16668 } 16669 16670 // Queue up an async operation since the package deletion may take a little while. 16671 mHandler.post(new Runnable() { 16672 public void run() { 16673 synchronized (mInstallLock) { 16674 final int flags = StorageManager.FLAG_STORAGE_DE 16675 | StorageManager.FLAG_STORAGE_CE; 16676 // We're only clearing cache files, so we don't care if the 16677 // app is unfrozen and still able to run 16678 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16679 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16680 } 16681 clearExternalStorageDataSync(packageName, userId, false); 16682 if (observer != null) { 16683 try { 16684 observer.onRemoveCompleted(packageName, true); 16685 } catch (RemoteException e) { 16686 Log.i(TAG, "Observer no longer exists."); 16687 } 16688 } 16689 } 16690 }); 16691 } 16692 16693 @Override 16694 public void getPackageSizeInfo(final String packageName, int userHandle, 16695 final IPackageStatsObserver observer) { 16696 mContext.enforceCallingOrSelfPermission( 16697 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16698 if (packageName == null) { 16699 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16700 } 16701 16702 PackageStats stats = new PackageStats(packageName, userHandle); 16703 16704 /* 16705 * Queue up an async operation since the package measurement may take a 16706 * little while. 16707 */ 16708 Message msg = mHandler.obtainMessage(INIT_COPY); 16709 msg.obj = new MeasureParams(stats, observer); 16710 mHandler.sendMessage(msg); 16711 } 16712 16713 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16714 final PackageSetting ps; 16715 synchronized (mPackages) { 16716 ps = mSettings.mPackages.get(packageName); 16717 if (ps == null) { 16718 Slog.w(TAG, "Failed to find settings for " + packageName); 16719 return false; 16720 } 16721 } 16722 try { 16723 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16724 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16725 ps.getCeDataInode(userId), ps.codePathString, stats); 16726 } catch (InstallerException e) { 16727 Slog.w(TAG, String.valueOf(e)); 16728 return false; 16729 } 16730 16731 // For now, ignore code size of packages on system partition 16732 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16733 stats.codeSize = 0; 16734 } 16735 16736 return true; 16737 } 16738 16739 private int getUidTargetSdkVersionLockedLPr(int uid) { 16740 Object obj = mSettings.getUserIdLPr(uid); 16741 if (obj instanceof SharedUserSetting) { 16742 final SharedUserSetting sus = (SharedUserSetting) obj; 16743 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16744 final Iterator<PackageSetting> it = sus.packages.iterator(); 16745 while (it.hasNext()) { 16746 final PackageSetting ps = it.next(); 16747 if (ps.pkg != null) { 16748 int v = ps.pkg.applicationInfo.targetSdkVersion; 16749 if (v < vers) vers = v; 16750 } 16751 } 16752 return vers; 16753 } else if (obj instanceof PackageSetting) { 16754 final PackageSetting ps = (PackageSetting) obj; 16755 if (ps.pkg != null) { 16756 return ps.pkg.applicationInfo.targetSdkVersion; 16757 } 16758 } 16759 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16760 } 16761 16762 @Override 16763 public void addPreferredActivity(IntentFilter filter, int match, 16764 ComponentName[] set, ComponentName activity, int userId) { 16765 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16766 "Adding preferred"); 16767 } 16768 16769 private void addPreferredActivityInternal(IntentFilter filter, int match, 16770 ComponentName[] set, ComponentName activity, boolean always, int userId, 16771 String opname) { 16772 // writer 16773 int callingUid = Binder.getCallingUid(); 16774 enforceCrossUserPermission(callingUid, userId, 16775 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16776 if (filter.countActions() == 0) { 16777 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16778 return; 16779 } 16780 synchronized (mPackages) { 16781 if (mContext.checkCallingOrSelfPermission( 16782 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16783 != PackageManager.PERMISSION_GRANTED) { 16784 if (getUidTargetSdkVersionLockedLPr(callingUid) 16785 < Build.VERSION_CODES.FROYO) { 16786 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16787 + callingUid); 16788 return; 16789 } 16790 mContext.enforceCallingOrSelfPermission( 16791 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16792 } 16793 16794 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16795 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16796 + userId + ":"); 16797 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16798 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16799 scheduleWritePackageRestrictionsLocked(userId); 16800 postPreferredActivityChangedBroadcast(userId); 16801 } 16802 } 16803 16804 private void postPreferredActivityChangedBroadcast(int userId) { 16805 mHandler.post(() -> { 16806 final IActivityManager am = ActivityManagerNative.getDefault(); 16807 if (am == null) { 16808 return; 16809 } 16810 16811 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16812 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16813 try { 16814 am.broadcastIntent(null, intent, null, null, 16815 0, null, null, null, android.app.AppOpsManager.OP_NONE, 16816 null, false, false, userId); 16817 } catch (RemoteException e) { 16818 } 16819 }); 16820 } 16821 16822 @Override 16823 public void replacePreferredActivity(IntentFilter filter, int match, 16824 ComponentName[] set, ComponentName activity, int userId) { 16825 if (filter.countActions() != 1) { 16826 throw new IllegalArgumentException( 16827 "replacePreferredActivity expects filter to have only 1 action."); 16828 } 16829 if (filter.countDataAuthorities() != 0 16830 || filter.countDataPaths() != 0 16831 || filter.countDataSchemes() > 1 16832 || filter.countDataTypes() != 0) { 16833 throw new IllegalArgumentException( 16834 "replacePreferredActivity expects filter to have no data authorities, " + 16835 "paths, or types; and at most one scheme."); 16836 } 16837 16838 final int callingUid = Binder.getCallingUid(); 16839 enforceCrossUserPermission(callingUid, userId, 16840 true /* requireFullPermission */, false /* checkShell */, 16841 "replace preferred activity"); 16842 synchronized (mPackages) { 16843 if (mContext.checkCallingOrSelfPermission( 16844 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16845 != PackageManager.PERMISSION_GRANTED) { 16846 if (getUidTargetSdkVersionLockedLPr(callingUid) 16847 < Build.VERSION_CODES.FROYO) { 16848 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16849 + Binder.getCallingUid()); 16850 return; 16851 } 16852 mContext.enforceCallingOrSelfPermission( 16853 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16854 } 16855 16856 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16857 if (pir != null) { 16858 // Get all of the existing entries that exactly match this filter. 16859 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16860 if (existing != null && existing.size() == 1) { 16861 PreferredActivity cur = existing.get(0); 16862 if (DEBUG_PREFERRED) { 16863 Slog.i(TAG, "Checking replace of preferred:"); 16864 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16865 if (!cur.mPref.mAlways) { 16866 Slog.i(TAG, " -- CUR; not mAlways!"); 16867 } else { 16868 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16869 Slog.i(TAG, " -- CUR: mSet=" 16870 + Arrays.toString(cur.mPref.mSetComponents)); 16871 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16872 Slog.i(TAG, " -- NEW: mMatch=" 16873 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16874 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16875 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16876 } 16877 } 16878 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16879 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16880 && cur.mPref.sameSet(set)) { 16881 // Setting the preferred activity to what it happens to be already 16882 if (DEBUG_PREFERRED) { 16883 Slog.i(TAG, "Replacing with same preferred activity " 16884 + cur.mPref.mShortComponent + " for user " 16885 + userId + ":"); 16886 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16887 } 16888 return; 16889 } 16890 } 16891 16892 if (existing != null) { 16893 if (DEBUG_PREFERRED) { 16894 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16895 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16896 } 16897 for (int i = 0; i < existing.size(); i++) { 16898 PreferredActivity pa = existing.get(i); 16899 if (DEBUG_PREFERRED) { 16900 Slog.i(TAG, "Removing existing preferred activity " 16901 + pa.mPref.mComponent + ":"); 16902 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16903 } 16904 pir.removeFilter(pa); 16905 } 16906 } 16907 } 16908 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16909 "Replacing preferred"); 16910 } 16911 } 16912 16913 @Override 16914 public void clearPackagePreferredActivities(String packageName) { 16915 final int uid = Binder.getCallingUid(); 16916 // writer 16917 synchronized (mPackages) { 16918 PackageParser.Package pkg = mPackages.get(packageName); 16919 if (pkg == null || pkg.applicationInfo.uid != uid) { 16920 if (mContext.checkCallingOrSelfPermission( 16921 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16922 != PackageManager.PERMISSION_GRANTED) { 16923 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16924 < Build.VERSION_CODES.FROYO) { 16925 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16926 + Binder.getCallingUid()); 16927 return; 16928 } 16929 mContext.enforceCallingOrSelfPermission( 16930 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16931 } 16932 } 16933 16934 int user = UserHandle.getCallingUserId(); 16935 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16936 scheduleWritePackageRestrictionsLocked(user); 16937 } 16938 } 16939 } 16940 16941 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16942 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16943 ArrayList<PreferredActivity> removed = null; 16944 boolean changed = false; 16945 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16946 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16947 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16948 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16949 continue; 16950 } 16951 Iterator<PreferredActivity> it = pir.filterIterator(); 16952 while (it.hasNext()) { 16953 PreferredActivity pa = it.next(); 16954 // Mark entry for removal only if it matches the package name 16955 // and the entry is of type "always". 16956 if (packageName == null || 16957 (pa.mPref.mComponent.getPackageName().equals(packageName) 16958 && pa.mPref.mAlways)) { 16959 if (removed == null) { 16960 removed = new ArrayList<PreferredActivity>(); 16961 } 16962 removed.add(pa); 16963 } 16964 } 16965 if (removed != null) { 16966 for (int j=0; j<removed.size(); j++) { 16967 PreferredActivity pa = removed.get(j); 16968 pir.removeFilter(pa); 16969 } 16970 changed = true; 16971 } 16972 } 16973 if (changed) { 16974 postPreferredActivityChangedBroadcast(userId); 16975 } 16976 return changed; 16977 } 16978 16979 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16980 private void clearIntentFilterVerificationsLPw(int userId) { 16981 final int packageCount = mPackages.size(); 16982 for (int i = 0; i < packageCount; i++) { 16983 PackageParser.Package pkg = mPackages.valueAt(i); 16984 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16985 } 16986 } 16987 16988 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16989 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16990 if (userId == UserHandle.USER_ALL) { 16991 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16992 sUserManager.getUserIds())) { 16993 for (int oneUserId : sUserManager.getUserIds()) { 16994 scheduleWritePackageRestrictionsLocked(oneUserId); 16995 } 16996 } 16997 } else { 16998 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16999 scheduleWritePackageRestrictionsLocked(userId); 17000 } 17001 } 17002 } 17003 17004 void clearDefaultBrowserIfNeeded(String packageName) { 17005 for (int oneUserId : sUserManager.getUserIds()) { 17006 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17007 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17008 if (packageName.equals(defaultBrowserPackageName)) { 17009 setDefaultBrowserPackageName(null, oneUserId); 17010 } 17011 } 17012 } 17013 17014 @Override 17015 public void resetApplicationPreferences(int userId) { 17016 mContext.enforceCallingOrSelfPermission( 17017 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17018 final long identity = Binder.clearCallingIdentity(); 17019 // writer 17020 try { 17021 synchronized (mPackages) { 17022 clearPackagePreferredActivitiesLPw(null, userId); 17023 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17024 // TODO: We have to reset the default SMS and Phone. This requires 17025 // significant refactoring to keep all default apps in the package 17026 // manager (cleaner but more work) or have the services provide 17027 // callbacks to the package manager to request a default app reset. 17028 applyFactoryDefaultBrowserLPw(userId); 17029 clearIntentFilterVerificationsLPw(userId); 17030 primeDomainVerificationsLPw(userId); 17031 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17032 scheduleWritePackageRestrictionsLocked(userId); 17033 } 17034 resetNetworkPolicies(userId); 17035 } finally { 17036 Binder.restoreCallingIdentity(identity); 17037 } 17038 } 17039 17040 @Override 17041 public int getPreferredActivities(List<IntentFilter> outFilters, 17042 List<ComponentName> outActivities, String packageName) { 17043 17044 int num = 0; 17045 final int userId = UserHandle.getCallingUserId(); 17046 // reader 17047 synchronized (mPackages) { 17048 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17049 if (pir != null) { 17050 final Iterator<PreferredActivity> it = pir.filterIterator(); 17051 while (it.hasNext()) { 17052 final PreferredActivity pa = it.next(); 17053 if (packageName == null 17054 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17055 && pa.mPref.mAlways)) { 17056 if (outFilters != null) { 17057 outFilters.add(new IntentFilter(pa)); 17058 } 17059 if (outActivities != null) { 17060 outActivities.add(pa.mPref.mComponent); 17061 } 17062 } 17063 } 17064 } 17065 } 17066 17067 return num; 17068 } 17069 17070 @Override 17071 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17072 int userId) { 17073 int callingUid = Binder.getCallingUid(); 17074 if (callingUid != Process.SYSTEM_UID) { 17075 throw new SecurityException( 17076 "addPersistentPreferredActivity can only be run by the system"); 17077 } 17078 if (filter.countActions() == 0) { 17079 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17080 return; 17081 } 17082 synchronized (mPackages) { 17083 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17084 ":"); 17085 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17086 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17087 new PersistentPreferredActivity(filter, activity)); 17088 scheduleWritePackageRestrictionsLocked(userId); 17089 postPreferredActivityChangedBroadcast(userId); 17090 } 17091 } 17092 17093 @Override 17094 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17095 int callingUid = Binder.getCallingUid(); 17096 if (callingUid != Process.SYSTEM_UID) { 17097 throw new SecurityException( 17098 "clearPackagePersistentPreferredActivities can only be run by the system"); 17099 } 17100 ArrayList<PersistentPreferredActivity> removed = null; 17101 boolean changed = false; 17102 synchronized (mPackages) { 17103 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17104 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17105 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17106 .valueAt(i); 17107 if (userId != thisUserId) { 17108 continue; 17109 } 17110 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17111 while (it.hasNext()) { 17112 PersistentPreferredActivity ppa = it.next(); 17113 // Mark entry for removal only if it matches the package name. 17114 if (ppa.mComponent.getPackageName().equals(packageName)) { 17115 if (removed == null) { 17116 removed = new ArrayList<PersistentPreferredActivity>(); 17117 } 17118 removed.add(ppa); 17119 } 17120 } 17121 if (removed != null) { 17122 for (int j=0; j<removed.size(); j++) { 17123 PersistentPreferredActivity ppa = removed.get(j); 17124 ppir.removeFilter(ppa); 17125 } 17126 changed = true; 17127 } 17128 } 17129 17130 if (changed) { 17131 scheduleWritePackageRestrictionsLocked(userId); 17132 postPreferredActivityChangedBroadcast(userId); 17133 } 17134 } 17135 } 17136 17137 /** 17138 * Common machinery for picking apart a restored XML blob and passing 17139 * it to a caller-supplied functor to be applied to the running system. 17140 */ 17141 private void restoreFromXml(XmlPullParser parser, int userId, 17142 String expectedStartTag, BlobXmlRestorer functor) 17143 throws IOException, XmlPullParserException { 17144 int type; 17145 while ((type = parser.next()) != XmlPullParser.START_TAG 17146 && type != XmlPullParser.END_DOCUMENT) { 17147 } 17148 if (type != XmlPullParser.START_TAG) { 17149 // oops didn't find a start tag?! 17150 if (DEBUG_BACKUP) { 17151 Slog.e(TAG, "Didn't find start tag during restore"); 17152 } 17153 return; 17154 } 17155Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17156 // this is supposed to be TAG_PREFERRED_BACKUP 17157 if (!expectedStartTag.equals(parser.getName())) { 17158 if (DEBUG_BACKUP) { 17159 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17160 } 17161 return; 17162 } 17163 17164 // skip interfering stuff, then we're aligned with the backing implementation 17165 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17166Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17167 functor.apply(parser, userId); 17168 } 17169 17170 private interface BlobXmlRestorer { 17171 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17172 } 17173 17174 /** 17175 * Non-Binder method, support for the backup/restore mechanism: write the 17176 * full set of preferred activities in its canonical XML format. Returns the 17177 * XML output as a byte array, or null if there is none. 17178 */ 17179 @Override 17180 public byte[] getPreferredActivityBackup(int userId) { 17181 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17182 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17183 } 17184 17185 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17186 try { 17187 final XmlSerializer serializer = new FastXmlSerializer(); 17188 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17189 serializer.startDocument(null, true); 17190 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17191 17192 synchronized (mPackages) { 17193 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17194 } 17195 17196 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17197 serializer.endDocument(); 17198 serializer.flush(); 17199 } catch (Exception e) { 17200 if (DEBUG_BACKUP) { 17201 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17202 } 17203 return null; 17204 } 17205 17206 return dataStream.toByteArray(); 17207 } 17208 17209 @Override 17210 public void restorePreferredActivities(byte[] backup, int userId) { 17211 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17212 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17213 } 17214 17215 try { 17216 final XmlPullParser parser = Xml.newPullParser(); 17217 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17218 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17219 new BlobXmlRestorer() { 17220 @Override 17221 public void apply(XmlPullParser parser, int userId) 17222 throws XmlPullParserException, IOException { 17223 synchronized (mPackages) { 17224 mSettings.readPreferredActivitiesLPw(parser, userId); 17225 } 17226 } 17227 } ); 17228 } catch (Exception e) { 17229 if (DEBUG_BACKUP) { 17230 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17231 } 17232 } 17233 } 17234 17235 /** 17236 * Non-Binder method, support for the backup/restore mechanism: write the 17237 * default browser (etc) settings in its canonical XML format. Returns the default 17238 * browser XML representation as a byte array, or null if there is none. 17239 */ 17240 @Override 17241 public byte[] getDefaultAppsBackup(int userId) { 17242 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17243 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17244 } 17245 17246 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17247 try { 17248 final XmlSerializer serializer = new FastXmlSerializer(); 17249 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17250 serializer.startDocument(null, true); 17251 serializer.startTag(null, TAG_DEFAULT_APPS); 17252 17253 synchronized (mPackages) { 17254 mSettings.writeDefaultAppsLPr(serializer, userId); 17255 } 17256 17257 serializer.endTag(null, TAG_DEFAULT_APPS); 17258 serializer.endDocument(); 17259 serializer.flush(); 17260 } catch (Exception e) { 17261 if (DEBUG_BACKUP) { 17262 Slog.e(TAG, "Unable to write default apps for backup", e); 17263 } 17264 return null; 17265 } 17266 17267 return dataStream.toByteArray(); 17268 } 17269 17270 @Override 17271 public void restoreDefaultApps(byte[] backup, int userId) { 17272 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17273 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17274 } 17275 17276 try { 17277 final XmlPullParser parser = Xml.newPullParser(); 17278 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17279 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17280 new BlobXmlRestorer() { 17281 @Override 17282 public void apply(XmlPullParser parser, int userId) 17283 throws XmlPullParserException, IOException { 17284 synchronized (mPackages) { 17285 mSettings.readDefaultAppsLPw(parser, userId); 17286 } 17287 } 17288 } ); 17289 } catch (Exception e) { 17290 if (DEBUG_BACKUP) { 17291 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17292 } 17293 } 17294 } 17295 17296 @Override 17297 public byte[] getIntentFilterVerificationBackup(int userId) { 17298 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17299 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17300 } 17301 17302 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17303 try { 17304 final XmlSerializer serializer = new FastXmlSerializer(); 17305 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17306 serializer.startDocument(null, true); 17307 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17308 17309 synchronized (mPackages) { 17310 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17311 } 17312 17313 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17314 serializer.endDocument(); 17315 serializer.flush(); 17316 } catch (Exception e) { 17317 if (DEBUG_BACKUP) { 17318 Slog.e(TAG, "Unable to write default apps for backup", e); 17319 } 17320 return null; 17321 } 17322 17323 return dataStream.toByteArray(); 17324 } 17325 17326 @Override 17327 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17328 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17329 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17330 } 17331 17332 try { 17333 final XmlPullParser parser = Xml.newPullParser(); 17334 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17335 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17336 new BlobXmlRestorer() { 17337 @Override 17338 public void apply(XmlPullParser parser, int userId) 17339 throws XmlPullParserException, IOException { 17340 synchronized (mPackages) { 17341 mSettings.readAllDomainVerificationsLPr(parser, userId); 17342 mSettings.writeLPr(); 17343 } 17344 } 17345 } ); 17346 } catch (Exception e) { 17347 if (DEBUG_BACKUP) { 17348 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17349 } 17350 } 17351 } 17352 17353 @Override 17354 public byte[] getPermissionGrantBackup(int userId) { 17355 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17356 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17357 } 17358 17359 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17360 try { 17361 final XmlSerializer serializer = new FastXmlSerializer(); 17362 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17363 serializer.startDocument(null, true); 17364 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17365 17366 synchronized (mPackages) { 17367 serializeRuntimePermissionGrantsLPr(serializer, userId); 17368 } 17369 17370 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17371 serializer.endDocument(); 17372 serializer.flush(); 17373 } catch (Exception e) { 17374 if (DEBUG_BACKUP) { 17375 Slog.e(TAG, "Unable to write default apps for backup", e); 17376 } 17377 return null; 17378 } 17379 17380 return dataStream.toByteArray(); 17381 } 17382 17383 @Override 17384 public void restorePermissionGrants(byte[] backup, int userId) { 17385 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17386 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17387 } 17388 17389 try { 17390 final XmlPullParser parser = Xml.newPullParser(); 17391 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17392 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17393 new BlobXmlRestorer() { 17394 @Override 17395 public void apply(XmlPullParser parser, int userId) 17396 throws XmlPullParserException, IOException { 17397 synchronized (mPackages) { 17398 processRestoredPermissionGrantsLPr(parser, userId); 17399 } 17400 } 17401 } ); 17402 } catch (Exception e) { 17403 if (DEBUG_BACKUP) { 17404 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17405 } 17406 } 17407 } 17408 17409 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17410 throws IOException { 17411 serializer.startTag(null, TAG_ALL_GRANTS); 17412 17413 final int N = mSettings.mPackages.size(); 17414 for (int i = 0; i < N; i++) { 17415 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17416 boolean pkgGrantsKnown = false; 17417 17418 PermissionsState packagePerms = ps.getPermissionsState(); 17419 17420 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17421 final int grantFlags = state.getFlags(); 17422 // only look at grants that are not system/policy fixed 17423 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17424 final boolean isGranted = state.isGranted(); 17425 // And only back up the user-twiddled state bits 17426 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17427 final String packageName = mSettings.mPackages.keyAt(i); 17428 if (!pkgGrantsKnown) { 17429 serializer.startTag(null, TAG_GRANT); 17430 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17431 pkgGrantsKnown = true; 17432 } 17433 17434 final boolean userSet = 17435 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17436 final boolean userFixed = 17437 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17438 final boolean revoke = 17439 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17440 17441 serializer.startTag(null, TAG_PERMISSION); 17442 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17443 if (isGranted) { 17444 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17445 } 17446 if (userSet) { 17447 serializer.attribute(null, ATTR_USER_SET, "true"); 17448 } 17449 if (userFixed) { 17450 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17451 } 17452 if (revoke) { 17453 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17454 } 17455 serializer.endTag(null, TAG_PERMISSION); 17456 } 17457 } 17458 } 17459 17460 if (pkgGrantsKnown) { 17461 serializer.endTag(null, TAG_GRANT); 17462 } 17463 } 17464 17465 serializer.endTag(null, TAG_ALL_GRANTS); 17466 } 17467 17468 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17469 throws XmlPullParserException, IOException { 17470 String pkgName = null; 17471 int outerDepth = parser.getDepth(); 17472 int type; 17473 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17474 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17475 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17476 continue; 17477 } 17478 17479 final String tagName = parser.getName(); 17480 if (tagName.equals(TAG_GRANT)) { 17481 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17482 if (DEBUG_BACKUP) { 17483 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17484 } 17485 } else if (tagName.equals(TAG_PERMISSION)) { 17486 17487 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17488 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17489 17490 int newFlagSet = 0; 17491 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17492 newFlagSet |= FLAG_PERMISSION_USER_SET; 17493 } 17494 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17495 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17496 } 17497 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17498 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17499 } 17500 if (DEBUG_BACKUP) { 17501 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17502 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17503 } 17504 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17505 if (ps != null) { 17506 // Already installed so we apply the grant immediately 17507 if (DEBUG_BACKUP) { 17508 Slog.v(TAG, " + already installed; applying"); 17509 } 17510 PermissionsState perms = ps.getPermissionsState(); 17511 BasePermission bp = mSettings.mPermissions.get(permName); 17512 if (bp != null) { 17513 if (isGranted) { 17514 perms.grantRuntimePermission(bp, userId); 17515 } 17516 if (newFlagSet != 0) { 17517 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17518 } 17519 } 17520 } else { 17521 // Need to wait for post-restore install to apply the grant 17522 if (DEBUG_BACKUP) { 17523 Slog.v(TAG, " - not yet installed; saving for later"); 17524 } 17525 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17526 isGranted, newFlagSet, userId); 17527 } 17528 } else { 17529 PackageManagerService.reportSettingsProblem(Log.WARN, 17530 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17531 XmlUtils.skipCurrentTag(parser); 17532 } 17533 } 17534 17535 scheduleWriteSettingsLocked(); 17536 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17537 } 17538 17539 @Override 17540 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17541 int sourceUserId, int targetUserId, int flags) { 17542 mContext.enforceCallingOrSelfPermission( 17543 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17544 int callingUid = Binder.getCallingUid(); 17545 enforceOwnerRights(ownerPackage, callingUid); 17546 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17547 if (intentFilter.countActions() == 0) { 17548 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17549 return; 17550 } 17551 synchronized (mPackages) { 17552 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17553 ownerPackage, targetUserId, flags); 17554 CrossProfileIntentResolver resolver = 17555 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17556 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17557 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17558 if (existing != null) { 17559 int size = existing.size(); 17560 for (int i = 0; i < size; i++) { 17561 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17562 return; 17563 } 17564 } 17565 } 17566 resolver.addFilter(newFilter); 17567 scheduleWritePackageRestrictionsLocked(sourceUserId); 17568 } 17569 } 17570 17571 @Override 17572 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17573 mContext.enforceCallingOrSelfPermission( 17574 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17575 int callingUid = Binder.getCallingUid(); 17576 enforceOwnerRights(ownerPackage, callingUid); 17577 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17578 synchronized (mPackages) { 17579 CrossProfileIntentResolver resolver = 17580 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17581 ArraySet<CrossProfileIntentFilter> set = 17582 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17583 for (CrossProfileIntentFilter filter : set) { 17584 if (filter.getOwnerPackage().equals(ownerPackage)) { 17585 resolver.removeFilter(filter); 17586 } 17587 } 17588 scheduleWritePackageRestrictionsLocked(sourceUserId); 17589 } 17590 } 17591 17592 // Enforcing that callingUid is owning pkg on userId 17593 private void enforceOwnerRights(String pkg, int callingUid) { 17594 // The system owns everything. 17595 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17596 return; 17597 } 17598 int callingUserId = UserHandle.getUserId(callingUid); 17599 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17600 if (pi == null) { 17601 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17602 + callingUserId); 17603 } 17604 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17605 throw new SecurityException("Calling uid " + callingUid 17606 + " does not own package " + pkg); 17607 } 17608 } 17609 17610 @Override 17611 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17612 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17613 } 17614 17615 private Intent getHomeIntent() { 17616 Intent intent = new Intent(Intent.ACTION_MAIN); 17617 intent.addCategory(Intent.CATEGORY_HOME); 17618 intent.addCategory(Intent.CATEGORY_DEFAULT); 17619 return intent; 17620 } 17621 17622 private IntentFilter getHomeFilter() { 17623 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17624 filter.addCategory(Intent.CATEGORY_HOME); 17625 filter.addCategory(Intent.CATEGORY_DEFAULT); 17626 return filter; 17627 } 17628 17629 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17630 int userId) { 17631 Intent intent = getHomeIntent(); 17632 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17633 PackageManager.GET_META_DATA, userId); 17634 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17635 true, false, false, userId); 17636 17637 allHomeCandidates.clear(); 17638 if (list != null) { 17639 for (ResolveInfo ri : list) { 17640 allHomeCandidates.add(ri); 17641 } 17642 } 17643 return (preferred == null || preferred.activityInfo == null) 17644 ? null 17645 : new ComponentName(preferred.activityInfo.packageName, 17646 preferred.activityInfo.name); 17647 } 17648 17649 @Override 17650 public void setHomeActivity(ComponentName comp, int userId) { 17651 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17652 getHomeActivitiesAsUser(homeActivities, userId); 17653 17654 boolean found = false; 17655 17656 final int size = homeActivities.size(); 17657 final ComponentName[] set = new ComponentName[size]; 17658 for (int i = 0; i < size; i++) { 17659 final ResolveInfo candidate = homeActivities.get(i); 17660 final ActivityInfo info = candidate.activityInfo; 17661 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17662 set[i] = activityName; 17663 if (!found && activityName.equals(comp)) { 17664 found = true; 17665 } 17666 } 17667 if (!found) { 17668 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17669 + userId); 17670 } 17671 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17672 set, comp, userId); 17673 } 17674 17675 private @Nullable String getSetupWizardPackageName() { 17676 final Intent intent = new Intent(Intent.ACTION_MAIN); 17677 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17678 17679 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17680 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17681 | MATCH_DISABLED_COMPONENTS, 17682 UserHandle.myUserId()); 17683 if (matches.size() == 1) { 17684 return matches.get(0).getComponentInfo().packageName; 17685 } else { 17686 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17687 + ": matches=" + matches); 17688 return null; 17689 } 17690 } 17691 17692 private @Nullable String getStorageManagerPackageName() { 17693 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 17694 17695 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17696 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17697 | MATCH_DISABLED_COMPONENTS, 17698 UserHandle.myUserId()); 17699 if (matches.size() == 1) { 17700 return matches.get(0).getComponentInfo().packageName; 17701 } else { 17702 Slog.e(TAG, "There should probably be exactly one storage manager; found " 17703 + matches.size() + ": matches=" + matches); 17704 return null; 17705 } 17706 } 17707 17708 @Override 17709 public void setApplicationEnabledSetting(String appPackageName, 17710 int newState, int flags, int userId, String callingPackage) { 17711 if (!sUserManager.exists(userId)) return; 17712 if (callingPackage == null) { 17713 callingPackage = Integer.toString(Binder.getCallingUid()); 17714 } 17715 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17716 } 17717 17718 @Override 17719 public void setComponentEnabledSetting(ComponentName componentName, 17720 int newState, int flags, int userId) { 17721 if (!sUserManager.exists(userId)) return; 17722 setEnabledSetting(componentName.getPackageName(), 17723 componentName.getClassName(), newState, flags, userId, null); 17724 } 17725 17726 private void setEnabledSetting(final String packageName, String className, int newState, 17727 final int flags, int userId, String callingPackage) { 17728 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17729 || newState == COMPONENT_ENABLED_STATE_ENABLED 17730 || newState == COMPONENT_ENABLED_STATE_DISABLED 17731 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17732 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17733 throw new IllegalArgumentException("Invalid new component state: " 17734 + newState); 17735 } 17736 PackageSetting pkgSetting; 17737 final int uid = Binder.getCallingUid(); 17738 final int permission; 17739 if (uid == Process.SYSTEM_UID) { 17740 permission = PackageManager.PERMISSION_GRANTED; 17741 } else { 17742 permission = mContext.checkCallingOrSelfPermission( 17743 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17744 } 17745 enforceCrossUserPermission(uid, userId, 17746 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17747 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17748 boolean sendNow = false; 17749 boolean isApp = (className == null); 17750 String componentName = isApp ? packageName : className; 17751 int packageUid = -1; 17752 ArrayList<String> components; 17753 17754 // writer 17755 synchronized (mPackages) { 17756 pkgSetting = mSettings.mPackages.get(packageName); 17757 if (pkgSetting == null) { 17758 if (className == null) { 17759 throw new IllegalArgumentException("Unknown package: " + packageName); 17760 } 17761 throw new IllegalArgumentException( 17762 "Unknown component: " + packageName + "/" + className); 17763 } 17764 } 17765 17766 // Limit who can change which apps 17767 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17768 // Don't allow apps that don't have permission to modify other apps 17769 if (!allowedByPermission) { 17770 throw new SecurityException( 17771 "Permission Denial: attempt to change component state from pid=" 17772 + Binder.getCallingPid() 17773 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17774 } 17775 // Don't allow changing protected packages. 17776 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17777 throw new SecurityException("Cannot disable a protected package: " + packageName); 17778 } 17779 } 17780 17781 synchronized (mPackages) { 17782 if (uid == Process.SHELL_UID) { 17783 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17784 int oldState = pkgSetting.getEnabled(userId); 17785 if (className == null 17786 && 17787 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17788 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17789 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17790 && 17791 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17792 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17793 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17794 // ok 17795 } else { 17796 throw new SecurityException( 17797 "Shell cannot change component state for " + packageName + "/" 17798 + className + " to " + newState); 17799 } 17800 } 17801 if (className == null) { 17802 // We're dealing with an application/package level state change 17803 if (pkgSetting.getEnabled(userId) == newState) { 17804 // Nothing to do 17805 return; 17806 } 17807 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17808 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17809 // Don't care about who enables an app. 17810 callingPackage = null; 17811 } 17812 pkgSetting.setEnabled(newState, userId, callingPackage); 17813 // pkgSetting.pkg.mSetEnabled = newState; 17814 } else { 17815 // We're dealing with a component level state change 17816 // First, verify that this is a valid class name. 17817 PackageParser.Package pkg = pkgSetting.pkg; 17818 if (pkg == null || !pkg.hasComponentClassName(className)) { 17819 if (pkg != null && 17820 pkg.applicationInfo.targetSdkVersion >= 17821 Build.VERSION_CODES.JELLY_BEAN) { 17822 throw new IllegalArgumentException("Component class " + className 17823 + " does not exist in " + packageName); 17824 } else { 17825 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17826 + className + " does not exist in " + packageName); 17827 } 17828 } 17829 switch (newState) { 17830 case COMPONENT_ENABLED_STATE_ENABLED: 17831 if (!pkgSetting.enableComponentLPw(className, userId)) { 17832 return; 17833 } 17834 break; 17835 case COMPONENT_ENABLED_STATE_DISABLED: 17836 if (!pkgSetting.disableComponentLPw(className, userId)) { 17837 return; 17838 } 17839 break; 17840 case COMPONENT_ENABLED_STATE_DEFAULT: 17841 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17842 return; 17843 } 17844 break; 17845 default: 17846 Slog.e(TAG, "Invalid new component state: " + newState); 17847 return; 17848 } 17849 } 17850 scheduleWritePackageRestrictionsLocked(userId); 17851 components = mPendingBroadcasts.get(userId, packageName); 17852 final boolean newPackage = components == null; 17853 if (newPackage) { 17854 components = new ArrayList<String>(); 17855 } 17856 if (!components.contains(componentName)) { 17857 components.add(componentName); 17858 } 17859 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17860 sendNow = true; 17861 // Purge entry from pending broadcast list if another one exists already 17862 // since we are sending one right away. 17863 mPendingBroadcasts.remove(userId, packageName); 17864 } else { 17865 if (newPackage) { 17866 mPendingBroadcasts.put(userId, packageName, components); 17867 } 17868 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17869 // Schedule a message 17870 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17871 } 17872 } 17873 } 17874 17875 long callingId = Binder.clearCallingIdentity(); 17876 try { 17877 if (sendNow) { 17878 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17879 sendPackageChangedBroadcast(packageName, 17880 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17881 } 17882 } finally { 17883 Binder.restoreCallingIdentity(callingId); 17884 } 17885 } 17886 17887 @Override 17888 public void flushPackageRestrictionsAsUser(int userId) { 17889 if (!sUserManager.exists(userId)) { 17890 return; 17891 } 17892 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17893 false /* checkShell */, "flushPackageRestrictions"); 17894 synchronized (mPackages) { 17895 mSettings.writePackageRestrictionsLPr(userId); 17896 mDirtyUsers.remove(userId); 17897 if (mDirtyUsers.isEmpty()) { 17898 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17899 } 17900 } 17901 } 17902 17903 private void sendPackageChangedBroadcast(String packageName, 17904 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17905 if (DEBUG_INSTALL) 17906 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17907 + componentNames); 17908 Bundle extras = new Bundle(4); 17909 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17910 String nameList[] = new String[componentNames.size()]; 17911 componentNames.toArray(nameList); 17912 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17913 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17914 extras.putInt(Intent.EXTRA_UID, packageUid); 17915 // If this is not reporting a change of the overall package, then only send it 17916 // to registered receivers. We don't want to launch a swath of apps for every 17917 // little component state change. 17918 final int flags = !componentNames.contains(packageName) 17919 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17920 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17921 new int[] {UserHandle.getUserId(packageUid)}); 17922 } 17923 17924 @Override 17925 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17926 if (!sUserManager.exists(userId)) return; 17927 final int uid = Binder.getCallingUid(); 17928 final int permission = mContext.checkCallingOrSelfPermission( 17929 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17930 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17931 enforceCrossUserPermission(uid, userId, 17932 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17933 // writer 17934 synchronized (mPackages) { 17935 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17936 allowedByPermission, uid, userId)) { 17937 scheduleWritePackageRestrictionsLocked(userId); 17938 } 17939 } 17940 } 17941 17942 @Override 17943 public String getInstallerPackageName(String packageName) { 17944 // reader 17945 synchronized (mPackages) { 17946 return mSettings.getInstallerPackageNameLPr(packageName); 17947 } 17948 } 17949 17950 public boolean isOrphaned(String packageName) { 17951 // reader 17952 synchronized (mPackages) { 17953 return mSettings.isOrphaned(packageName); 17954 } 17955 } 17956 17957 @Override 17958 public int getApplicationEnabledSetting(String packageName, int userId) { 17959 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17960 int uid = Binder.getCallingUid(); 17961 enforceCrossUserPermission(uid, userId, 17962 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17963 // reader 17964 synchronized (mPackages) { 17965 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17966 } 17967 } 17968 17969 @Override 17970 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17971 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17972 int uid = Binder.getCallingUid(); 17973 enforceCrossUserPermission(uid, userId, 17974 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17975 // reader 17976 synchronized (mPackages) { 17977 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17978 } 17979 } 17980 17981 @Override 17982 public void enterSafeMode() { 17983 enforceSystemOrRoot("Only the system can request entering safe mode"); 17984 17985 if (!mSystemReady) { 17986 mSafeMode = true; 17987 } 17988 } 17989 17990 @Override 17991 public void systemReady() { 17992 mSystemReady = true; 17993 17994 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 17995 // disabled after already being started. 17996 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 17997 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 17998 17999 // Read the compatibilty setting when the system is ready. 18000 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18001 mContext.getContentResolver(), 18002 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18003 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18004 if (DEBUG_SETTINGS) { 18005 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18006 } 18007 18008 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18009 18010 synchronized (mPackages) { 18011 // Verify that all of the preferred activity components actually 18012 // exist. It is possible for applications to be updated and at 18013 // that point remove a previously declared activity component that 18014 // had been set as a preferred activity. We try to clean this up 18015 // the next time we encounter that preferred activity, but it is 18016 // possible for the user flow to never be able to return to that 18017 // situation so here we do a sanity check to make sure we haven't 18018 // left any junk around. 18019 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18020 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18021 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18022 removed.clear(); 18023 for (PreferredActivity pa : pir.filterSet()) { 18024 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18025 removed.add(pa); 18026 } 18027 } 18028 if (removed.size() > 0) { 18029 for (int r=0; r<removed.size(); r++) { 18030 PreferredActivity pa = removed.get(r); 18031 Slog.w(TAG, "Removing dangling preferred activity: " 18032 + pa.mPref.mComponent); 18033 pir.removeFilter(pa); 18034 } 18035 mSettings.writePackageRestrictionsLPr( 18036 mSettings.mPreferredActivities.keyAt(i)); 18037 } 18038 } 18039 18040 for (int userId : UserManagerService.getInstance().getUserIds()) { 18041 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18042 grantPermissionsUserIds = ArrayUtils.appendInt( 18043 grantPermissionsUserIds, userId); 18044 } 18045 } 18046 } 18047 sUserManager.systemReady(); 18048 18049 // If we upgraded grant all default permissions before kicking off. 18050 for (int userId : grantPermissionsUserIds) { 18051 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18052 } 18053 18054 // If we did not grant default permissions, we preload from this the 18055 // default permission exceptions lazily to ensure we don't hit the 18056 // disk on a new user creation. 18057 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18058 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18059 } 18060 18061 // Kick off any messages waiting for system ready 18062 if (mPostSystemReadyMessages != null) { 18063 for (Message msg : mPostSystemReadyMessages) { 18064 msg.sendToTarget(); 18065 } 18066 mPostSystemReadyMessages = null; 18067 } 18068 18069 // Watch for external volumes that come and go over time 18070 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18071 storage.registerListener(mStorageListener); 18072 18073 mInstallerService.systemReady(); 18074 mPackageDexOptimizer.systemReady(); 18075 18076 MountServiceInternal mountServiceInternal = LocalServices.getService( 18077 MountServiceInternal.class); 18078 mountServiceInternal.addExternalStoragePolicy( 18079 new MountServiceInternal.ExternalStorageMountPolicy() { 18080 @Override 18081 public int getMountMode(int uid, String packageName) { 18082 if (Process.isIsolated(uid)) { 18083 return Zygote.MOUNT_EXTERNAL_NONE; 18084 } 18085 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18086 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18087 } 18088 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18089 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18090 } 18091 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18092 return Zygote.MOUNT_EXTERNAL_READ; 18093 } 18094 return Zygote.MOUNT_EXTERNAL_WRITE; 18095 } 18096 18097 @Override 18098 public boolean hasExternalStorage(int uid, String packageName) { 18099 return true; 18100 } 18101 }); 18102 18103 // Now that we're mostly running, clean up stale users and apps 18104 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18105 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18106 } 18107 18108 @Override 18109 public boolean isSafeMode() { 18110 return mSafeMode; 18111 } 18112 18113 @Override 18114 public boolean hasSystemUidErrors() { 18115 return mHasSystemUidErrors; 18116 } 18117 18118 static String arrayToString(int[] array) { 18119 StringBuffer buf = new StringBuffer(128); 18120 buf.append('['); 18121 if (array != null) { 18122 for (int i=0; i<array.length; i++) { 18123 if (i > 0) buf.append(", "); 18124 buf.append(array[i]); 18125 } 18126 } 18127 buf.append(']'); 18128 return buf.toString(); 18129 } 18130 18131 static class DumpState { 18132 public static final int DUMP_LIBS = 1 << 0; 18133 public static final int DUMP_FEATURES = 1 << 1; 18134 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18135 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18136 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18137 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18138 public static final int DUMP_PERMISSIONS = 1 << 6; 18139 public static final int DUMP_PACKAGES = 1 << 7; 18140 public static final int DUMP_SHARED_USERS = 1 << 8; 18141 public static final int DUMP_MESSAGES = 1 << 9; 18142 public static final int DUMP_PROVIDERS = 1 << 10; 18143 public static final int DUMP_VERIFIERS = 1 << 11; 18144 public static final int DUMP_PREFERRED = 1 << 12; 18145 public static final int DUMP_PREFERRED_XML = 1 << 13; 18146 public static final int DUMP_KEYSETS = 1 << 14; 18147 public static final int DUMP_VERSION = 1 << 15; 18148 public static final int DUMP_INSTALLS = 1 << 16; 18149 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18150 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18151 public static final int DUMP_FROZEN = 1 << 19; 18152 public static final int DUMP_DEXOPT = 1 << 20; 18153 public static final int DUMP_COMPILER_STATS = 1 << 21; 18154 18155 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18156 18157 private int mTypes; 18158 18159 private int mOptions; 18160 18161 private boolean mTitlePrinted; 18162 18163 private SharedUserSetting mSharedUser; 18164 18165 public boolean isDumping(int type) { 18166 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18167 return true; 18168 } 18169 18170 return (mTypes & type) != 0; 18171 } 18172 18173 public void setDump(int type) { 18174 mTypes |= type; 18175 } 18176 18177 public boolean isOptionEnabled(int option) { 18178 return (mOptions & option) != 0; 18179 } 18180 18181 public void setOptionEnabled(int option) { 18182 mOptions |= option; 18183 } 18184 18185 public boolean onTitlePrinted() { 18186 final boolean printed = mTitlePrinted; 18187 mTitlePrinted = true; 18188 return printed; 18189 } 18190 18191 public boolean getTitlePrinted() { 18192 return mTitlePrinted; 18193 } 18194 18195 public void setTitlePrinted(boolean enabled) { 18196 mTitlePrinted = enabled; 18197 } 18198 18199 public SharedUserSetting getSharedUser() { 18200 return mSharedUser; 18201 } 18202 18203 public void setSharedUser(SharedUserSetting user) { 18204 mSharedUser = user; 18205 } 18206 } 18207 18208 @Override 18209 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18210 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18211 (new PackageManagerShellCommand(this)).exec( 18212 this, in, out, err, args, resultReceiver); 18213 } 18214 18215 @Override 18216 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18217 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18218 != PackageManager.PERMISSION_GRANTED) { 18219 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18220 + Binder.getCallingPid() 18221 + ", uid=" + Binder.getCallingUid() 18222 + " without permission " 18223 + android.Manifest.permission.DUMP); 18224 return; 18225 } 18226 18227 DumpState dumpState = new DumpState(); 18228 boolean fullPreferred = false; 18229 boolean checkin = false; 18230 18231 String packageName = null; 18232 ArraySet<String> permissionNames = null; 18233 18234 int opti = 0; 18235 while (opti < args.length) { 18236 String opt = args[opti]; 18237 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18238 break; 18239 } 18240 opti++; 18241 18242 if ("-a".equals(opt)) { 18243 // Right now we only know how to print all. 18244 } else if ("-h".equals(opt)) { 18245 pw.println("Package manager dump options:"); 18246 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18247 pw.println(" --checkin: dump for a checkin"); 18248 pw.println(" -f: print details of intent filters"); 18249 pw.println(" -h: print this help"); 18250 pw.println(" cmd may be one of:"); 18251 pw.println(" l[ibraries]: list known shared libraries"); 18252 pw.println(" f[eatures]: list device features"); 18253 pw.println(" k[eysets]: print known keysets"); 18254 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18255 pw.println(" perm[issions]: dump permissions"); 18256 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18257 pw.println(" pref[erred]: print preferred package settings"); 18258 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18259 pw.println(" prov[iders]: dump content providers"); 18260 pw.println(" p[ackages]: dump installed packages"); 18261 pw.println(" s[hared-users]: dump shared user IDs"); 18262 pw.println(" m[essages]: print collected runtime messages"); 18263 pw.println(" v[erifiers]: print package verifier info"); 18264 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18265 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18266 pw.println(" version: print database version info"); 18267 pw.println(" write: write current settings now"); 18268 pw.println(" installs: details about install sessions"); 18269 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18270 pw.println(" dexopt: dump dexopt state"); 18271 pw.println(" compiler-stats: dump compiler statistics"); 18272 pw.println(" <package.name>: info about given package"); 18273 return; 18274 } else if ("--checkin".equals(opt)) { 18275 checkin = true; 18276 } else if ("-f".equals(opt)) { 18277 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18278 } else { 18279 pw.println("Unknown argument: " + opt + "; use -h for help"); 18280 } 18281 } 18282 18283 // Is the caller requesting to dump a particular piece of data? 18284 if (opti < args.length) { 18285 String cmd = args[opti]; 18286 opti++; 18287 // Is this a package name? 18288 if ("android".equals(cmd) || cmd.contains(".")) { 18289 packageName = cmd; 18290 // When dumping a single package, we always dump all of its 18291 // filter information since the amount of data will be reasonable. 18292 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18293 } else if ("check-permission".equals(cmd)) { 18294 if (opti >= args.length) { 18295 pw.println("Error: check-permission missing permission argument"); 18296 return; 18297 } 18298 String perm = args[opti]; 18299 opti++; 18300 if (opti >= args.length) { 18301 pw.println("Error: check-permission missing package argument"); 18302 return; 18303 } 18304 String pkg = args[opti]; 18305 opti++; 18306 int user = UserHandle.getUserId(Binder.getCallingUid()); 18307 if (opti < args.length) { 18308 try { 18309 user = Integer.parseInt(args[opti]); 18310 } catch (NumberFormatException e) { 18311 pw.println("Error: check-permission user argument is not a number: " 18312 + args[opti]); 18313 return; 18314 } 18315 } 18316 pw.println(checkPermission(perm, pkg, user)); 18317 return; 18318 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18319 dumpState.setDump(DumpState.DUMP_LIBS); 18320 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18321 dumpState.setDump(DumpState.DUMP_FEATURES); 18322 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18323 if (opti >= args.length) { 18324 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18325 | DumpState.DUMP_SERVICE_RESOLVERS 18326 | DumpState.DUMP_RECEIVER_RESOLVERS 18327 | DumpState.DUMP_CONTENT_RESOLVERS); 18328 } else { 18329 while (opti < args.length) { 18330 String name = args[opti]; 18331 if ("a".equals(name) || "activity".equals(name)) { 18332 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18333 } else if ("s".equals(name) || "service".equals(name)) { 18334 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18335 } else if ("r".equals(name) || "receiver".equals(name)) { 18336 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18337 } else if ("c".equals(name) || "content".equals(name)) { 18338 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18339 } else { 18340 pw.println("Error: unknown resolver table type: " + name); 18341 return; 18342 } 18343 opti++; 18344 } 18345 } 18346 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18347 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18348 } else if ("permission".equals(cmd)) { 18349 if (opti >= args.length) { 18350 pw.println("Error: permission requires permission name"); 18351 return; 18352 } 18353 permissionNames = new ArraySet<>(); 18354 while (opti < args.length) { 18355 permissionNames.add(args[opti]); 18356 opti++; 18357 } 18358 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18359 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18360 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18361 dumpState.setDump(DumpState.DUMP_PREFERRED); 18362 } else if ("preferred-xml".equals(cmd)) { 18363 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18364 if (opti < args.length && "--full".equals(args[opti])) { 18365 fullPreferred = true; 18366 opti++; 18367 } 18368 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18369 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18370 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18371 dumpState.setDump(DumpState.DUMP_PACKAGES); 18372 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18373 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18374 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18375 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18376 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18377 dumpState.setDump(DumpState.DUMP_MESSAGES); 18378 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18379 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18380 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18381 || "intent-filter-verifiers".equals(cmd)) { 18382 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18383 } else if ("version".equals(cmd)) { 18384 dumpState.setDump(DumpState.DUMP_VERSION); 18385 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18386 dumpState.setDump(DumpState.DUMP_KEYSETS); 18387 } else if ("installs".equals(cmd)) { 18388 dumpState.setDump(DumpState.DUMP_INSTALLS); 18389 } else if ("frozen".equals(cmd)) { 18390 dumpState.setDump(DumpState.DUMP_FROZEN); 18391 } else if ("dexopt".equals(cmd)) { 18392 dumpState.setDump(DumpState.DUMP_DEXOPT); 18393 } else if ("compiler-stats".equals(cmd)) { 18394 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18395 } else if ("write".equals(cmd)) { 18396 synchronized (mPackages) { 18397 mSettings.writeLPr(); 18398 pw.println("Settings written."); 18399 return; 18400 } 18401 } 18402 } 18403 18404 if (checkin) { 18405 pw.println("vers,1"); 18406 } 18407 18408 // reader 18409 synchronized (mPackages) { 18410 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18411 if (!checkin) { 18412 if (dumpState.onTitlePrinted()) 18413 pw.println(); 18414 pw.println("Database versions:"); 18415 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18416 } 18417 } 18418 18419 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18420 if (!checkin) { 18421 if (dumpState.onTitlePrinted()) 18422 pw.println(); 18423 pw.println("Verifiers:"); 18424 pw.print(" Required: "); 18425 pw.print(mRequiredVerifierPackage); 18426 pw.print(" (uid="); 18427 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18428 UserHandle.USER_SYSTEM)); 18429 pw.println(")"); 18430 } else if (mRequiredVerifierPackage != null) { 18431 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18432 pw.print(","); 18433 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18434 UserHandle.USER_SYSTEM)); 18435 } 18436 } 18437 18438 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18439 packageName == null) { 18440 if (mIntentFilterVerifierComponent != null) { 18441 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18442 if (!checkin) { 18443 if (dumpState.onTitlePrinted()) 18444 pw.println(); 18445 pw.println("Intent Filter Verifier:"); 18446 pw.print(" Using: "); 18447 pw.print(verifierPackageName); 18448 pw.print(" (uid="); 18449 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18450 UserHandle.USER_SYSTEM)); 18451 pw.println(")"); 18452 } else if (verifierPackageName != null) { 18453 pw.print("ifv,"); pw.print(verifierPackageName); 18454 pw.print(","); 18455 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18456 UserHandle.USER_SYSTEM)); 18457 } 18458 } else { 18459 pw.println(); 18460 pw.println("No Intent Filter Verifier available!"); 18461 } 18462 } 18463 18464 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18465 boolean printedHeader = false; 18466 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18467 while (it.hasNext()) { 18468 String name = it.next(); 18469 SharedLibraryEntry ent = mSharedLibraries.get(name); 18470 if (!checkin) { 18471 if (!printedHeader) { 18472 if (dumpState.onTitlePrinted()) 18473 pw.println(); 18474 pw.println("Libraries:"); 18475 printedHeader = true; 18476 } 18477 pw.print(" "); 18478 } else { 18479 pw.print("lib,"); 18480 } 18481 pw.print(name); 18482 if (!checkin) { 18483 pw.print(" -> "); 18484 } 18485 if (ent.path != null) { 18486 if (!checkin) { 18487 pw.print("(jar) "); 18488 pw.print(ent.path); 18489 } else { 18490 pw.print(",jar,"); 18491 pw.print(ent.path); 18492 } 18493 } else { 18494 if (!checkin) { 18495 pw.print("(apk) "); 18496 pw.print(ent.apk); 18497 } else { 18498 pw.print(",apk,"); 18499 pw.print(ent.apk); 18500 } 18501 } 18502 pw.println(); 18503 } 18504 } 18505 18506 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18507 if (dumpState.onTitlePrinted()) 18508 pw.println(); 18509 if (!checkin) { 18510 pw.println("Features:"); 18511 } 18512 18513 for (FeatureInfo feat : mAvailableFeatures.values()) { 18514 if (checkin) { 18515 pw.print("feat,"); 18516 pw.print(feat.name); 18517 pw.print(","); 18518 pw.println(feat.version); 18519 } else { 18520 pw.print(" "); 18521 pw.print(feat.name); 18522 if (feat.version > 0) { 18523 pw.print(" version="); 18524 pw.print(feat.version); 18525 } 18526 pw.println(); 18527 } 18528 } 18529 } 18530 18531 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18532 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18533 : "Activity Resolver Table:", " ", packageName, 18534 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18535 dumpState.setTitlePrinted(true); 18536 } 18537 } 18538 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18539 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18540 : "Receiver Resolver Table:", " ", packageName, 18541 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18542 dumpState.setTitlePrinted(true); 18543 } 18544 } 18545 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18546 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18547 : "Service Resolver Table:", " ", packageName, 18548 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18549 dumpState.setTitlePrinted(true); 18550 } 18551 } 18552 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18553 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18554 : "Provider Resolver Table:", " ", packageName, 18555 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18556 dumpState.setTitlePrinted(true); 18557 } 18558 } 18559 18560 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18561 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18562 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18563 int user = mSettings.mPreferredActivities.keyAt(i); 18564 if (pir.dump(pw, 18565 dumpState.getTitlePrinted() 18566 ? "\nPreferred Activities User " + user + ":" 18567 : "Preferred Activities User " + user + ":", " ", 18568 packageName, true, false)) { 18569 dumpState.setTitlePrinted(true); 18570 } 18571 } 18572 } 18573 18574 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18575 pw.flush(); 18576 FileOutputStream fout = new FileOutputStream(fd); 18577 BufferedOutputStream str = new BufferedOutputStream(fout); 18578 XmlSerializer serializer = new FastXmlSerializer(); 18579 try { 18580 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18581 serializer.startDocument(null, true); 18582 serializer.setFeature( 18583 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18584 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18585 serializer.endDocument(); 18586 serializer.flush(); 18587 } catch (IllegalArgumentException e) { 18588 pw.println("Failed writing: " + e); 18589 } catch (IllegalStateException e) { 18590 pw.println("Failed writing: " + e); 18591 } catch (IOException e) { 18592 pw.println("Failed writing: " + e); 18593 } 18594 } 18595 18596 if (!checkin 18597 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18598 && packageName == null) { 18599 pw.println(); 18600 int count = mSettings.mPackages.size(); 18601 if (count == 0) { 18602 pw.println("No applications!"); 18603 pw.println(); 18604 } else { 18605 final String prefix = " "; 18606 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18607 if (allPackageSettings.size() == 0) { 18608 pw.println("No domain preferred apps!"); 18609 pw.println(); 18610 } else { 18611 pw.println("App verification status:"); 18612 pw.println(); 18613 count = 0; 18614 for (PackageSetting ps : allPackageSettings) { 18615 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18616 if (ivi == null || ivi.getPackageName() == null) continue; 18617 pw.println(prefix + "Package: " + ivi.getPackageName()); 18618 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18619 pw.println(prefix + "Status: " + ivi.getStatusString()); 18620 pw.println(); 18621 count++; 18622 } 18623 if (count == 0) { 18624 pw.println(prefix + "No app verification established."); 18625 pw.println(); 18626 } 18627 for (int userId : sUserManager.getUserIds()) { 18628 pw.println("App linkages for user " + userId + ":"); 18629 pw.println(); 18630 count = 0; 18631 for (PackageSetting ps : allPackageSettings) { 18632 final long status = ps.getDomainVerificationStatusForUser(userId); 18633 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18634 continue; 18635 } 18636 pw.println(prefix + "Package: " + ps.name); 18637 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18638 String statusStr = IntentFilterVerificationInfo. 18639 getStatusStringFromValue(status); 18640 pw.println(prefix + "Status: " + statusStr); 18641 pw.println(); 18642 count++; 18643 } 18644 if (count == 0) { 18645 pw.println(prefix + "No configured app linkages."); 18646 pw.println(); 18647 } 18648 } 18649 } 18650 } 18651 } 18652 18653 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18654 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18655 if (packageName == null && permissionNames == null) { 18656 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18657 if (iperm == 0) { 18658 if (dumpState.onTitlePrinted()) 18659 pw.println(); 18660 pw.println("AppOp Permissions:"); 18661 } 18662 pw.print(" AppOp Permission "); 18663 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18664 pw.println(":"); 18665 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18666 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18667 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18668 } 18669 } 18670 } 18671 } 18672 18673 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18674 boolean printedSomething = false; 18675 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18676 if (packageName != null && !packageName.equals(p.info.packageName)) { 18677 continue; 18678 } 18679 if (!printedSomething) { 18680 if (dumpState.onTitlePrinted()) 18681 pw.println(); 18682 pw.println("Registered ContentProviders:"); 18683 printedSomething = true; 18684 } 18685 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18686 pw.print(" "); pw.println(p.toString()); 18687 } 18688 printedSomething = false; 18689 for (Map.Entry<String, PackageParser.Provider> entry : 18690 mProvidersByAuthority.entrySet()) { 18691 PackageParser.Provider p = entry.getValue(); 18692 if (packageName != null && !packageName.equals(p.info.packageName)) { 18693 continue; 18694 } 18695 if (!printedSomething) { 18696 if (dumpState.onTitlePrinted()) 18697 pw.println(); 18698 pw.println("ContentProvider Authorities:"); 18699 printedSomething = true; 18700 } 18701 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18702 pw.print(" "); pw.println(p.toString()); 18703 if (p.info != null && p.info.applicationInfo != null) { 18704 final String appInfo = p.info.applicationInfo.toString(); 18705 pw.print(" applicationInfo="); pw.println(appInfo); 18706 } 18707 } 18708 } 18709 18710 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18711 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18712 } 18713 18714 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18715 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18716 } 18717 18718 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18719 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18720 } 18721 18722 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18723 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18724 } 18725 18726 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18727 // XXX should handle packageName != null by dumping only install data that 18728 // the given package is involved with. 18729 if (dumpState.onTitlePrinted()) pw.println(); 18730 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18731 } 18732 18733 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18734 // XXX should handle packageName != null by dumping only install data that 18735 // the given package is involved with. 18736 if (dumpState.onTitlePrinted()) pw.println(); 18737 18738 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18739 ipw.println(); 18740 ipw.println("Frozen packages:"); 18741 ipw.increaseIndent(); 18742 if (mFrozenPackages.size() == 0) { 18743 ipw.println("(none)"); 18744 } else { 18745 for (int i = 0; i < mFrozenPackages.size(); i++) { 18746 ipw.println(mFrozenPackages.valueAt(i)); 18747 } 18748 } 18749 ipw.decreaseIndent(); 18750 } 18751 18752 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18753 if (dumpState.onTitlePrinted()) pw.println(); 18754 dumpDexoptStateLPr(pw, packageName); 18755 } 18756 18757 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18758 if (dumpState.onTitlePrinted()) pw.println(); 18759 dumpCompilerStatsLPr(pw, packageName); 18760 } 18761 18762 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18763 if (dumpState.onTitlePrinted()) pw.println(); 18764 mSettings.dumpReadMessagesLPr(pw, dumpState); 18765 18766 pw.println(); 18767 pw.println("Package warning messages:"); 18768 BufferedReader in = null; 18769 String line = null; 18770 try { 18771 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18772 while ((line = in.readLine()) != null) { 18773 if (line.contains("ignored: updated version")) continue; 18774 pw.println(line); 18775 } 18776 } catch (IOException ignored) { 18777 } finally { 18778 IoUtils.closeQuietly(in); 18779 } 18780 } 18781 18782 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18783 BufferedReader in = null; 18784 String line = null; 18785 try { 18786 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18787 while ((line = in.readLine()) != null) { 18788 if (line.contains("ignored: updated version")) continue; 18789 pw.print("msg,"); 18790 pw.println(line); 18791 } 18792 } catch (IOException ignored) { 18793 } finally { 18794 IoUtils.closeQuietly(in); 18795 } 18796 } 18797 } 18798 } 18799 18800 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18801 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18802 ipw.println(); 18803 ipw.println("Dexopt state:"); 18804 ipw.increaseIndent(); 18805 Collection<PackageParser.Package> packages = null; 18806 if (packageName != null) { 18807 PackageParser.Package targetPackage = mPackages.get(packageName); 18808 if (targetPackage != null) { 18809 packages = Collections.singletonList(targetPackage); 18810 } else { 18811 ipw.println("Unable to find package: " + packageName); 18812 return; 18813 } 18814 } else { 18815 packages = mPackages.values(); 18816 } 18817 18818 for (PackageParser.Package pkg : packages) { 18819 ipw.println("[" + pkg.packageName + "]"); 18820 ipw.increaseIndent(); 18821 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18822 ipw.decreaseIndent(); 18823 } 18824 } 18825 18826 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18827 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18828 ipw.println(); 18829 ipw.println("Compiler stats:"); 18830 ipw.increaseIndent(); 18831 Collection<PackageParser.Package> packages = null; 18832 if (packageName != null) { 18833 PackageParser.Package targetPackage = mPackages.get(packageName); 18834 if (targetPackage != null) { 18835 packages = Collections.singletonList(targetPackage); 18836 } else { 18837 ipw.println("Unable to find package: " + packageName); 18838 return; 18839 } 18840 } else { 18841 packages = mPackages.values(); 18842 } 18843 18844 for (PackageParser.Package pkg : packages) { 18845 ipw.println("[" + pkg.packageName + "]"); 18846 ipw.increaseIndent(); 18847 18848 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18849 if (stats == null) { 18850 ipw.println("(No recorded stats)"); 18851 } else { 18852 stats.dump(ipw); 18853 } 18854 ipw.decreaseIndent(); 18855 } 18856 } 18857 18858 private String dumpDomainString(String packageName) { 18859 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18860 .getList(); 18861 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18862 18863 ArraySet<String> result = new ArraySet<>(); 18864 if (iviList.size() > 0) { 18865 for (IntentFilterVerificationInfo ivi : iviList) { 18866 for (String host : ivi.getDomains()) { 18867 result.add(host); 18868 } 18869 } 18870 } 18871 if (filters != null && filters.size() > 0) { 18872 for (IntentFilter filter : filters) { 18873 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18874 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18875 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18876 result.addAll(filter.getHostsList()); 18877 } 18878 } 18879 } 18880 18881 StringBuilder sb = new StringBuilder(result.size() * 16); 18882 for (String domain : result) { 18883 if (sb.length() > 0) sb.append(" "); 18884 sb.append(domain); 18885 } 18886 return sb.toString(); 18887 } 18888 18889 // ------- apps on sdcard specific code ------- 18890 static final boolean DEBUG_SD_INSTALL = false; 18891 18892 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18893 18894 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18895 18896 private boolean mMediaMounted = false; 18897 18898 static String getEncryptKey() { 18899 try { 18900 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18901 SD_ENCRYPTION_KEYSTORE_NAME); 18902 if (sdEncKey == null) { 18903 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18904 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18905 if (sdEncKey == null) { 18906 Slog.e(TAG, "Failed to create encryption keys"); 18907 return null; 18908 } 18909 } 18910 return sdEncKey; 18911 } catch (NoSuchAlgorithmException nsae) { 18912 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18913 return null; 18914 } catch (IOException ioe) { 18915 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18916 return null; 18917 } 18918 } 18919 18920 /* 18921 * Update media status on PackageManager. 18922 */ 18923 @Override 18924 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18925 int callingUid = Binder.getCallingUid(); 18926 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18927 throw new SecurityException("Media status can only be updated by the system"); 18928 } 18929 // reader; this apparently protects mMediaMounted, but should probably 18930 // be a different lock in that case. 18931 synchronized (mPackages) { 18932 Log.i(TAG, "Updating external media status from " 18933 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18934 + (mediaStatus ? "mounted" : "unmounted")); 18935 if (DEBUG_SD_INSTALL) 18936 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18937 + ", mMediaMounted=" + mMediaMounted); 18938 if (mediaStatus == mMediaMounted) { 18939 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18940 : 0, -1); 18941 mHandler.sendMessage(msg); 18942 return; 18943 } 18944 mMediaMounted = mediaStatus; 18945 } 18946 // Queue up an async operation since the package installation may take a 18947 // little while. 18948 mHandler.post(new Runnable() { 18949 public void run() { 18950 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18951 } 18952 }); 18953 } 18954 18955 /** 18956 * Called by MountService when the initial ASECs to scan are available. 18957 * Should block until all the ASEC containers are finished being scanned. 18958 */ 18959 public void scanAvailableAsecs() { 18960 updateExternalMediaStatusInner(true, false, false); 18961 } 18962 18963 /* 18964 * Collect information of applications on external media, map them against 18965 * existing containers and update information based on current mount status. 18966 * Please note that we always have to report status if reportStatus has been 18967 * set to true especially when unloading packages. 18968 */ 18969 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18970 boolean externalStorage) { 18971 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18972 int[] uidArr = EmptyArray.INT; 18973 18974 final String[] list = PackageHelper.getSecureContainerList(); 18975 if (ArrayUtils.isEmpty(list)) { 18976 Log.i(TAG, "No secure containers found"); 18977 } else { 18978 // Process list of secure containers and categorize them 18979 // as active or stale based on their package internal state. 18980 18981 // reader 18982 synchronized (mPackages) { 18983 for (String cid : list) { 18984 // Leave stages untouched for now; installer service owns them 18985 if (PackageInstallerService.isStageName(cid)) continue; 18986 18987 if (DEBUG_SD_INSTALL) 18988 Log.i(TAG, "Processing container " + cid); 18989 String pkgName = getAsecPackageName(cid); 18990 if (pkgName == null) { 18991 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18992 continue; 18993 } 18994 if (DEBUG_SD_INSTALL) 18995 Log.i(TAG, "Looking for pkg : " + pkgName); 18996 18997 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18998 if (ps == null) { 18999 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19000 continue; 19001 } 19002 19003 /* 19004 * Skip packages that are not external if we're unmounting 19005 * external storage. 19006 */ 19007 if (externalStorage && !isMounted && !isExternal(ps)) { 19008 continue; 19009 } 19010 19011 final AsecInstallArgs args = new AsecInstallArgs(cid, 19012 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19013 // The package status is changed only if the code path 19014 // matches between settings and the container id. 19015 if (ps.codePathString != null 19016 && ps.codePathString.startsWith(args.getCodePath())) { 19017 if (DEBUG_SD_INSTALL) { 19018 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19019 + " at code path: " + ps.codePathString); 19020 } 19021 19022 // We do have a valid package installed on sdcard 19023 processCids.put(args, ps.codePathString); 19024 final int uid = ps.appId; 19025 if (uid != -1) { 19026 uidArr = ArrayUtils.appendInt(uidArr, uid); 19027 } 19028 } else { 19029 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19030 + ps.codePathString); 19031 } 19032 } 19033 } 19034 19035 Arrays.sort(uidArr); 19036 } 19037 19038 // Process packages with valid entries. 19039 if (isMounted) { 19040 if (DEBUG_SD_INSTALL) 19041 Log.i(TAG, "Loading packages"); 19042 loadMediaPackages(processCids, uidArr, externalStorage); 19043 startCleaningPackages(); 19044 mInstallerService.onSecureContainersAvailable(); 19045 } else { 19046 if (DEBUG_SD_INSTALL) 19047 Log.i(TAG, "Unloading packages"); 19048 unloadMediaPackages(processCids, uidArr, reportStatus); 19049 } 19050 } 19051 19052 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19053 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19054 final int size = infos.size(); 19055 final String[] packageNames = new String[size]; 19056 final int[] packageUids = new int[size]; 19057 for (int i = 0; i < size; i++) { 19058 final ApplicationInfo info = infos.get(i); 19059 packageNames[i] = info.packageName; 19060 packageUids[i] = info.uid; 19061 } 19062 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19063 finishedReceiver); 19064 } 19065 19066 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19067 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19068 sendResourcesChangedBroadcast(mediaStatus, replacing, 19069 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19070 } 19071 19072 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19073 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19074 int size = pkgList.length; 19075 if (size > 0) { 19076 // Send broadcasts here 19077 Bundle extras = new Bundle(); 19078 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19079 if (uidArr != null) { 19080 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19081 } 19082 if (replacing) { 19083 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19084 } 19085 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19086 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19087 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19088 } 19089 } 19090 19091 /* 19092 * Look at potentially valid container ids from processCids If package 19093 * information doesn't match the one on record or package scanning fails, 19094 * the cid is added to list of removeCids. We currently don't delete stale 19095 * containers. 19096 */ 19097 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19098 boolean externalStorage) { 19099 ArrayList<String> pkgList = new ArrayList<String>(); 19100 Set<AsecInstallArgs> keys = processCids.keySet(); 19101 19102 for (AsecInstallArgs args : keys) { 19103 String codePath = processCids.get(args); 19104 if (DEBUG_SD_INSTALL) 19105 Log.i(TAG, "Loading container : " + args.cid); 19106 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19107 try { 19108 // Make sure there are no container errors first. 19109 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19110 Slog.e(TAG, "Failed to mount cid : " + args.cid 19111 + " when installing from sdcard"); 19112 continue; 19113 } 19114 // Check code path here. 19115 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19116 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19117 + " does not match one in settings " + codePath); 19118 continue; 19119 } 19120 // Parse package 19121 int parseFlags = mDefParseFlags; 19122 if (args.isExternalAsec()) { 19123 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19124 } 19125 if (args.isFwdLocked()) { 19126 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19127 } 19128 19129 synchronized (mInstallLock) { 19130 PackageParser.Package pkg = null; 19131 try { 19132 // Sadly we don't know the package name yet to freeze it 19133 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19134 SCAN_IGNORE_FROZEN, 0, null); 19135 } catch (PackageManagerException e) { 19136 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19137 } 19138 // Scan the package 19139 if (pkg != null) { 19140 /* 19141 * TODO why is the lock being held? doPostInstall is 19142 * called in other places without the lock. This needs 19143 * to be straightened out. 19144 */ 19145 // writer 19146 synchronized (mPackages) { 19147 retCode = PackageManager.INSTALL_SUCCEEDED; 19148 pkgList.add(pkg.packageName); 19149 // Post process args 19150 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19151 pkg.applicationInfo.uid); 19152 } 19153 } else { 19154 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19155 } 19156 } 19157 19158 } finally { 19159 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19160 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19161 } 19162 } 19163 } 19164 // writer 19165 synchronized (mPackages) { 19166 // If the platform SDK has changed since the last time we booted, 19167 // we need to re-grant app permission to catch any new ones that 19168 // appear. This is really a hack, and means that apps can in some 19169 // cases get permissions that the user didn't initially explicitly 19170 // allow... it would be nice to have some better way to handle 19171 // this situation. 19172 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19173 : mSettings.getInternalVersion(); 19174 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19175 : StorageManager.UUID_PRIVATE_INTERNAL; 19176 19177 int updateFlags = UPDATE_PERMISSIONS_ALL; 19178 if (ver.sdkVersion != mSdkVersion) { 19179 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19180 + mSdkVersion + "; regranting permissions for external"); 19181 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19182 } 19183 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19184 19185 // Yay, everything is now upgraded 19186 ver.forceCurrent(); 19187 19188 // can downgrade to reader 19189 // Persist settings 19190 mSettings.writeLPr(); 19191 } 19192 // Send a broadcast to let everyone know we are done processing 19193 if (pkgList.size() > 0) { 19194 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19195 } 19196 } 19197 19198 /* 19199 * Utility method to unload a list of specified containers 19200 */ 19201 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19202 // Just unmount all valid containers. 19203 for (AsecInstallArgs arg : cidArgs) { 19204 synchronized (mInstallLock) { 19205 arg.doPostDeleteLI(false); 19206 } 19207 } 19208 } 19209 19210 /* 19211 * Unload packages mounted on external media. This involves deleting package 19212 * data from internal structures, sending broadcasts about disabled packages, 19213 * gc'ing to free up references, unmounting all secure containers 19214 * corresponding to packages on external media, and posting a 19215 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19216 * that we always have to post this message if status has been requested no 19217 * matter what. 19218 */ 19219 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19220 final boolean reportStatus) { 19221 if (DEBUG_SD_INSTALL) 19222 Log.i(TAG, "unloading media packages"); 19223 ArrayList<String> pkgList = new ArrayList<String>(); 19224 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19225 final Set<AsecInstallArgs> keys = processCids.keySet(); 19226 for (AsecInstallArgs args : keys) { 19227 String pkgName = args.getPackageName(); 19228 if (DEBUG_SD_INSTALL) 19229 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19230 // Delete package internally 19231 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19232 synchronized (mInstallLock) { 19233 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19234 final boolean res; 19235 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19236 "unloadMediaPackages")) { 19237 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19238 null); 19239 } 19240 if (res) { 19241 pkgList.add(pkgName); 19242 } else { 19243 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19244 failedList.add(args); 19245 } 19246 } 19247 } 19248 19249 // reader 19250 synchronized (mPackages) { 19251 // We didn't update the settings after removing each package; 19252 // write them now for all packages. 19253 mSettings.writeLPr(); 19254 } 19255 19256 // We have to absolutely send UPDATED_MEDIA_STATUS only 19257 // after confirming that all the receivers processed the ordered 19258 // broadcast when packages get disabled, force a gc to clean things up. 19259 // and unload all the containers. 19260 if (pkgList.size() > 0) { 19261 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19262 new IIntentReceiver.Stub() { 19263 public void performReceive(Intent intent, int resultCode, String data, 19264 Bundle extras, boolean ordered, boolean sticky, 19265 int sendingUser) throws RemoteException { 19266 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19267 reportStatus ? 1 : 0, 1, keys); 19268 mHandler.sendMessage(msg); 19269 } 19270 }); 19271 } else { 19272 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19273 keys); 19274 mHandler.sendMessage(msg); 19275 } 19276 } 19277 19278 private void loadPrivatePackages(final VolumeInfo vol) { 19279 mHandler.post(new Runnable() { 19280 @Override 19281 public void run() { 19282 loadPrivatePackagesInner(vol); 19283 } 19284 }); 19285 } 19286 19287 private void loadPrivatePackagesInner(VolumeInfo vol) { 19288 final String volumeUuid = vol.fsUuid; 19289 if (TextUtils.isEmpty(volumeUuid)) { 19290 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19291 return; 19292 } 19293 19294 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19295 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19296 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19297 19298 final VersionInfo ver; 19299 final List<PackageSetting> packages; 19300 synchronized (mPackages) { 19301 ver = mSettings.findOrCreateVersion(volumeUuid); 19302 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19303 } 19304 19305 for (PackageSetting ps : packages) { 19306 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19307 synchronized (mInstallLock) { 19308 final PackageParser.Package pkg; 19309 try { 19310 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19311 loaded.add(pkg.applicationInfo); 19312 19313 } catch (PackageManagerException e) { 19314 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19315 } 19316 19317 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19318 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19319 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19320 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19321 } 19322 } 19323 } 19324 19325 // Reconcile app data for all started/unlocked users 19326 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19327 final UserManager um = mContext.getSystemService(UserManager.class); 19328 UserManagerInternal umInternal = getUserManagerInternal(); 19329 for (UserInfo user : um.getUsers()) { 19330 final int flags; 19331 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19332 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19333 } else if (umInternal.isUserRunning(user.id)) { 19334 flags = StorageManager.FLAG_STORAGE_DE; 19335 } else { 19336 continue; 19337 } 19338 19339 try { 19340 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19341 synchronized (mInstallLock) { 19342 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 19343 } 19344 } catch (IllegalStateException e) { 19345 // Device was probably ejected, and we'll process that event momentarily 19346 Slog.w(TAG, "Failed to prepare storage: " + e); 19347 } 19348 } 19349 19350 synchronized (mPackages) { 19351 int updateFlags = UPDATE_PERMISSIONS_ALL; 19352 if (ver.sdkVersion != mSdkVersion) { 19353 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19354 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19355 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19356 } 19357 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19358 19359 // Yay, everything is now upgraded 19360 ver.forceCurrent(); 19361 19362 mSettings.writeLPr(); 19363 } 19364 19365 for (PackageFreezer freezer : freezers) { 19366 freezer.close(); 19367 } 19368 19369 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19370 sendResourcesChangedBroadcast(true, false, loaded, null); 19371 } 19372 19373 private void unloadPrivatePackages(final VolumeInfo vol) { 19374 mHandler.post(new Runnable() { 19375 @Override 19376 public void run() { 19377 unloadPrivatePackagesInner(vol); 19378 } 19379 }); 19380 } 19381 19382 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19383 final String volumeUuid = vol.fsUuid; 19384 if (TextUtils.isEmpty(volumeUuid)) { 19385 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19386 return; 19387 } 19388 19389 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19390 synchronized (mInstallLock) { 19391 synchronized (mPackages) { 19392 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19393 for (PackageSetting ps : packages) { 19394 if (ps.pkg == null) continue; 19395 19396 final ApplicationInfo info = ps.pkg.applicationInfo; 19397 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19398 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19399 19400 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19401 "unloadPrivatePackagesInner")) { 19402 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19403 false, null)) { 19404 unloaded.add(info); 19405 } else { 19406 Slog.w(TAG, "Failed to unload " + ps.codePath); 19407 } 19408 } 19409 19410 // Try very hard to release any references to this package 19411 // so we don't risk the system server being killed due to 19412 // open FDs 19413 AttributeCache.instance().removePackage(ps.name); 19414 } 19415 19416 mSettings.writeLPr(); 19417 } 19418 } 19419 19420 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19421 sendResourcesChangedBroadcast(false, false, unloaded, null); 19422 19423 // Try very hard to release any references to this path so we don't risk 19424 // the system server being killed due to open FDs 19425 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19426 19427 for (int i = 0; i < 3; i++) { 19428 System.gc(); 19429 System.runFinalization(); 19430 } 19431 } 19432 19433 /** 19434 * Prepare storage areas for given user on all mounted devices. 19435 */ 19436 void prepareUserData(int userId, int userSerial, int flags) { 19437 synchronized (mInstallLock) { 19438 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19439 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19440 final String volumeUuid = vol.getFsUuid(); 19441 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19442 } 19443 } 19444 } 19445 19446 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19447 boolean allowRecover) { 19448 // Prepare storage and verify that serial numbers are consistent; if 19449 // there's a mismatch we need to destroy to avoid leaking data 19450 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19451 try { 19452 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19453 19454 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19455 UserManagerService.enforceSerialNumber( 19456 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19457 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19458 UserManagerService.enforceSerialNumber( 19459 Environment.getDataSystemDeDirectory(userId), userSerial); 19460 } 19461 } 19462 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19463 UserManagerService.enforceSerialNumber( 19464 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19465 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19466 UserManagerService.enforceSerialNumber( 19467 Environment.getDataSystemCeDirectory(userId), userSerial); 19468 } 19469 } 19470 19471 synchronized (mInstallLock) { 19472 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19473 } 19474 } catch (Exception e) { 19475 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19476 + " because we failed to prepare: " + e); 19477 destroyUserDataLI(volumeUuid, userId, 19478 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19479 19480 if (allowRecover) { 19481 // Try one last time; if we fail again we're really in trouble 19482 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19483 } 19484 } 19485 } 19486 19487 /** 19488 * Destroy storage areas for given user on all mounted devices. 19489 */ 19490 void destroyUserData(int userId, int flags) { 19491 synchronized (mInstallLock) { 19492 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19493 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19494 final String volumeUuid = vol.getFsUuid(); 19495 destroyUserDataLI(volumeUuid, userId, flags); 19496 } 19497 } 19498 } 19499 19500 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19501 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19502 try { 19503 // Clean up app data, profile data, and media data 19504 mInstaller.destroyUserData(volumeUuid, userId, flags); 19505 19506 // Clean up system data 19507 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19508 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19509 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19510 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19511 } 19512 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19513 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19514 } 19515 } 19516 19517 // Data with special labels is now gone, so finish the job 19518 storage.destroyUserStorage(volumeUuid, userId, flags); 19519 19520 } catch (Exception e) { 19521 logCriticalInfo(Log.WARN, 19522 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19523 } 19524 } 19525 19526 /** 19527 * Examine all users present on given mounted volume, and destroy data 19528 * belonging to users that are no longer valid, or whose user ID has been 19529 * recycled. 19530 */ 19531 private void reconcileUsers(String volumeUuid) { 19532 final List<File> files = new ArrayList<>(); 19533 Collections.addAll(files, FileUtils 19534 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19535 Collections.addAll(files, FileUtils 19536 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19537 Collections.addAll(files, FileUtils 19538 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19539 Collections.addAll(files, FileUtils 19540 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19541 for (File file : files) { 19542 if (!file.isDirectory()) continue; 19543 19544 final int userId; 19545 final UserInfo info; 19546 try { 19547 userId = Integer.parseInt(file.getName()); 19548 info = sUserManager.getUserInfo(userId); 19549 } catch (NumberFormatException e) { 19550 Slog.w(TAG, "Invalid user directory " + file); 19551 continue; 19552 } 19553 19554 boolean destroyUser = false; 19555 if (info == null) { 19556 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19557 + " because no matching user was found"); 19558 destroyUser = true; 19559 } else if (!mOnlyCore) { 19560 try { 19561 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19562 } catch (IOException e) { 19563 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19564 + " because we failed to enforce serial number: " + e); 19565 destroyUser = true; 19566 } 19567 } 19568 19569 if (destroyUser) { 19570 synchronized (mInstallLock) { 19571 destroyUserDataLI(volumeUuid, userId, 19572 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19573 } 19574 } 19575 } 19576 } 19577 19578 private void assertPackageKnown(String volumeUuid, String packageName) 19579 throws PackageManagerException { 19580 synchronized (mPackages) { 19581 final PackageSetting ps = mSettings.mPackages.get(packageName); 19582 if (ps == null) { 19583 throw new PackageManagerException("Package " + packageName + " is unknown"); 19584 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19585 throw new PackageManagerException( 19586 "Package " + packageName + " found on unknown volume " + volumeUuid 19587 + "; expected volume " + ps.volumeUuid); 19588 } 19589 } 19590 } 19591 19592 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19593 throws PackageManagerException { 19594 synchronized (mPackages) { 19595 final PackageSetting ps = mSettings.mPackages.get(packageName); 19596 if (ps == null) { 19597 throw new PackageManagerException("Package " + packageName + " is unknown"); 19598 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19599 throw new PackageManagerException( 19600 "Package " + packageName + " found on unknown volume " + volumeUuid 19601 + "; expected volume " + ps.volumeUuid); 19602 } else if (!ps.getInstalled(userId)) { 19603 throw new PackageManagerException( 19604 "Package " + packageName + " not installed for user " + userId); 19605 } 19606 } 19607 } 19608 19609 /** 19610 * Examine all apps present on given mounted volume, and destroy apps that 19611 * aren't expected, either due to uninstallation or reinstallation on 19612 * another volume. 19613 */ 19614 private void reconcileApps(String volumeUuid) { 19615 final File[] files = FileUtils 19616 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19617 for (File file : files) { 19618 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19619 && !PackageInstallerService.isStageName(file.getName()); 19620 if (!isPackage) { 19621 // Ignore entries which are not packages 19622 continue; 19623 } 19624 19625 try { 19626 final PackageLite pkg = PackageParser.parsePackageLite(file, 19627 PackageParser.PARSE_MUST_BE_APK); 19628 assertPackageKnown(volumeUuid, pkg.packageName); 19629 19630 } catch (PackageParserException | PackageManagerException e) { 19631 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19632 synchronized (mInstallLock) { 19633 removeCodePathLI(file); 19634 } 19635 } 19636 } 19637 } 19638 19639 /** 19640 * Reconcile all app data for the given user. 19641 * <p> 19642 * Verifies that directories exist and that ownership and labeling is 19643 * correct for all installed apps on all mounted volumes. 19644 */ 19645 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 19646 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19647 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19648 final String volumeUuid = vol.getFsUuid(); 19649 synchronized (mInstallLock) { 19650 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 19651 } 19652 } 19653 } 19654 19655 /** 19656 * Reconcile all app data on given mounted volume. 19657 * <p> 19658 * Destroys app data that isn't expected, either due to uninstallation or 19659 * reinstallation on another volume. 19660 * <p> 19661 * Verifies that directories exist and that ownership and labeling is 19662 * correct for all installed apps. 19663 */ 19664 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 19665 boolean migrateAppData) { 19666 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19667 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 19668 19669 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19670 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19671 19672 boolean restoreconNeeded = false; 19673 19674 // First look for stale data that doesn't belong, and check if things 19675 // have changed since we did our last restorecon 19676 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19677 if (StorageManager.isFileEncryptedNativeOrEmulated() 19678 && !StorageManager.isUserKeyUnlocked(userId)) { 19679 throw new RuntimeException( 19680 "Yikes, someone asked us to reconcile CE storage while " + userId 19681 + " was still locked; this would have caused massive data loss!"); 19682 } 19683 19684 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19685 19686 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19687 for (File file : files) { 19688 final String packageName = file.getName(); 19689 try { 19690 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19691 } catch (PackageManagerException e) { 19692 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19693 try { 19694 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19695 StorageManager.FLAG_STORAGE_CE, 0); 19696 } catch (InstallerException e2) { 19697 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19698 } 19699 } 19700 } 19701 } 19702 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19703 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19704 19705 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19706 for (File file : files) { 19707 final String packageName = file.getName(); 19708 try { 19709 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19710 } catch (PackageManagerException e) { 19711 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19712 try { 19713 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19714 StorageManager.FLAG_STORAGE_DE, 0); 19715 } catch (InstallerException e2) { 19716 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19717 } 19718 } 19719 } 19720 } 19721 19722 // Ensure that data directories are ready to roll for all packages 19723 // installed for this volume and user 19724 final List<PackageSetting> packages; 19725 synchronized (mPackages) { 19726 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19727 } 19728 int preparedCount = 0; 19729 for (PackageSetting ps : packages) { 19730 final String packageName = ps.name; 19731 if (ps.pkg == null) { 19732 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19733 // TODO: might be due to legacy ASEC apps; we should circle back 19734 // and reconcile again once they're scanned 19735 continue; 19736 } 19737 19738 if (ps.getInstalled(userId)) { 19739 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19740 19741 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 19742 // We may have just shuffled around app data directories, so 19743 // prepare them one more time 19744 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19745 } 19746 19747 preparedCount++; 19748 } 19749 } 19750 19751 if (restoreconNeeded) { 19752 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19753 SELinuxMMAC.setRestoreconDone(ceDir); 19754 } 19755 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19756 SELinuxMMAC.setRestoreconDone(deDir); 19757 } 19758 } 19759 19760 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19761 + " packages; restoreconNeeded was " + restoreconNeeded); 19762 } 19763 19764 /** 19765 * Prepare app data for the given app just after it was installed or 19766 * upgraded. This method carefully only touches users that it's installed 19767 * for, and it forces a restorecon to handle any seinfo changes. 19768 * <p> 19769 * Verifies that directories exist and that ownership and labeling is 19770 * correct for all installed apps. If there is an ownership mismatch, it 19771 * will try recovering system apps by wiping data; third-party app data is 19772 * left intact. 19773 * <p> 19774 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19775 */ 19776 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19777 final PackageSetting ps; 19778 synchronized (mPackages) { 19779 ps = mSettings.mPackages.get(pkg.packageName); 19780 mSettings.writeKernelMappingLPr(ps); 19781 } 19782 19783 final UserManager um = mContext.getSystemService(UserManager.class); 19784 UserManagerInternal umInternal = getUserManagerInternal(); 19785 for (UserInfo user : um.getUsers()) { 19786 final int flags; 19787 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19788 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19789 } else if (umInternal.isUserRunning(user.id)) { 19790 flags = StorageManager.FLAG_STORAGE_DE; 19791 } else { 19792 continue; 19793 } 19794 19795 if (ps.getInstalled(user.id)) { 19796 // Whenever an app changes, force a restorecon of its data 19797 // TODO: when user data is locked, mark that we're still dirty 19798 prepareAppDataLIF(pkg, user.id, flags, true); 19799 } 19800 } 19801 } 19802 19803 /** 19804 * Prepare app data for the given app. 19805 * <p> 19806 * Verifies that directories exist and that ownership and labeling is 19807 * correct for all installed apps. If there is an ownership mismatch, this 19808 * will try recovering system apps by wiping data; third-party app data is 19809 * left intact. 19810 */ 19811 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19812 boolean restoreconNeeded) { 19813 if (pkg == null) { 19814 Slog.wtf(TAG, "Package was null!", new Throwable()); 19815 return; 19816 } 19817 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19818 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19819 for (int i = 0; i < childCount; i++) { 19820 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19821 } 19822 } 19823 19824 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19825 boolean restoreconNeeded) { 19826 if (DEBUG_APP_DATA) { 19827 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19828 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19829 } 19830 19831 final String volumeUuid = pkg.volumeUuid; 19832 final String packageName = pkg.packageName; 19833 final ApplicationInfo app = pkg.applicationInfo; 19834 final int appId = UserHandle.getAppId(app.uid); 19835 19836 Preconditions.checkNotNull(app.seinfo); 19837 19838 try { 19839 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19840 appId, app.seinfo, app.targetSdkVersion); 19841 } catch (InstallerException e) { 19842 if (app.isSystemApp()) { 19843 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19844 + ", but trying to recover: " + e); 19845 destroyAppDataLeafLIF(pkg, userId, flags); 19846 try { 19847 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19848 appId, app.seinfo, app.targetSdkVersion); 19849 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19850 } catch (InstallerException e2) { 19851 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19852 } 19853 } else { 19854 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19855 } 19856 } 19857 19858 if (restoreconNeeded) { 19859 try { 19860 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19861 app.seinfo); 19862 } catch (InstallerException e) { 19863 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19864 } 19865 } 19866 19867 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19868 try { 19869 // CE storage is unlocked right now, so read out the inode and 19870 // remember for use later when it's locked 19871 // TODO: mark this structure as dirty so we persist it! 19872 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19873 StorageManager.FLAG_STORAGE_CE); 19874 synchronized (mPackages) { 19875 final PackageSetting ps = mSettings.mPackages.get(packageName); 19876 if (ps != null) { 19877 ps.setCeDataInode(ceDataInode, userId); 19878 } 19879 } 19880 } catch (InstallerException e) { 19881 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19882 } 19883 } 19884 19885 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19886 } 19887 19888 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19889 if (pkg == null) { 19890 Slog.wtf(TAG, "Package was null!", new Throwable()); 19891 return; 19892 } 19893 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19894 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19895 for (int i = 0; i < childCount; i++) { 19896 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19897 } 19898 } 19899 19900 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19901 final String volumeUuid = pkg.volumeUuid; 19902 final String packageName = pkg.packageName; 19903 final ApplicationInfo app = pkg.applicationInfo; 19904 19905 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19906 // Create a native library symlink only if we have native libraries 19907 // and if the native libraries are 32 bit libraries. We do not provide 19908 // this symlink for 64 bit libraries. 19909 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19910 final String nativeLibPath = app.nativeLibraryDir; 19911 try { 19912 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19913 nativeLibPath, userId); 19914 } catch (InstallerException e) { 19915 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19916 } 19917 } 19918 } 19919 } 19920 19921 /** 19922 * For system apps on non-FBE devices, this method migrates any existing 19923 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19924 * requested by the app. 19925 */ 19926 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19927 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19928 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19929 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19930 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19931 try { 19932 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19933 storageTarget); 19934 } catch (InstallerException e) { 19935 logCriticalInfo(Log.WARN, 19936 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19937 } 19938 return true; 19939 } else { 19940 return false; 19941 } 19942 } 19943 19944 public PackageFreezer freezePackage(String packageName, String killReason) { 19945 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19946 } 19947 19948 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19949 return new PackageFreezer(packageName, userId, killReason); 19950 } 19951 19952 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19953 String killReason) { 19954 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19955 } 19956 19957 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19958 String killReason) { 19959 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19960 return new PackageFreezer(); 19961 } else { 19962 return freezePackage(packageName, userId, killReason); 19963 } 19964 } 19965 19966 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19967 String killReason) { 19968 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19969 } 19970 19971 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19972 String killReason) { 19973 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19974 return new PackageFreezer(); 19975 } else { 19976 return freezePackage(packageName, userId, killReason); 19977 } 19978 } 19979 19980 /** 19981 * Class that freezes and kills the given package upon creation, and 19982 * unfreezes it upon closing. This is typically used when doing surgery on 19983 * app code/data to prevent the app from running while you're working. 19984 */ 19985 private class PackageFreezer implements AutoCloseable { 19986 private final String mPackageName; 19987 private final PackageFreezer[] mChildren; 19988 19989 private final boolean mWeFroze; 19990 19991 private final AtomicBoolean mClosed = new AtomicBoolean(); 19992 private final CloseGuard mCloseGuard = CloseGuard.get(); 19993 19994 /** 19995 * Create and return a stub freezer that doesn't actually do anything, 19996 * typically used when someone requested 19997 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19998 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19999 */ 20000 public PackageFreezer() { 20001 mPackageName = null; 20002 mChildren = null; 20003 mWeFroze = false; 20004 mCloseGuard.open("close"); 20005 } 20006 20007 public PackageFreezer(String packageName, int userId, String killReason) { 20008 synchronized (mPackages) { 20009 mPackageName = packageName; 20010 mWeFroze = mFrozenPackages.add(mPackageName); 20011 20012 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20013 if (ps != null) { 20014 killApplication(ps.name, ps.appId, userId, killReason); 20015 } 20016 20017 final PackageParser.Package p = mPackages.get(packageName); 20018 if (p != null && p.childPackages != null) { 20019 final int N = p.childPackages.size(); 20020 mChildren = new PackageFreezer[N]; 20021 for (int i = 0; i < N; i++) { 20022 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20023 userId, killReason); 20024 } 20025 } else { 20026 mChildren = null; 20027 } 20028 } 20029 mCloseGuard.open("close"); 20030 } 20031 20032 @Override 20033 protected void finalize() throws Throwable { 20034 try { 20035 mCloseGuard.warnIfOpen(); 20036 close(); 20037 } finally { 20038 super.finalize(); 20039 } 20040 } 20041 20042 @Override 20043 public void close() { 20044 mCloseGuard.close(); 20045 if (mClosed.compareAndSet(false, true)) { 20046 synchronized (mPackages) { 20047 if (mWeFroze) { 20048 mFrozenPackages.remove(mPackageName); 20049 } 20050 20051 if (mChildren != null) { 20052 for (PackageFreezer freezer : mChildren) { 20053 freezer.close(); 20054 } 20055 } 20056 } 20057 } 20058 } 20059 } 20060 20061 /** 20062 * Verify that given package is currently frozen. 20063 */ 20064 private void checkPackageFrozen(String packageName) { 20065 synchronized (mPackages) { 20066 if (!mFrozenPackages.contains(packageName)) { 20067 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20068 } 20069 } 20070 } 20071 20072 @Override 20073 public int movePackage(final String packageName, final String volumeUuid) { 20074 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20075 20076 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20077 final int moveId = mNextMoveId.getAndIncrement(); 20078 mHandler.post(new Runnable() { 20079 @Override 20080 public void run() { 20081 try { 20082 movePackageInternal(packageName, volumeUuid, moveId, user); 20083 } catch (PackageManagerException e) { 20084 Slog.w(TAG, "Failed to move " + packageName, e); 20085 mMoveCallbacks.notifyStatusChanged(moveId, 20086 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20087 } 20088 } 20089 }); 20090 return moveId; 20091 } 20092 20093 private void movePackageInternal(final String packageName, final String volumeUuid, 20094 final int moveId, UserHandle user) throws PackageManagerException { 20095 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20096 final PackageManager pm = mContext.getPackageManager(); 20097 20098 final boolean currentAsec; 20099 final String currentVolumeUuid; 20100 final File codeFile; 20101 final String installerPackageName; 20102 final String packageAbiOverride; 20103 final int appId; 20104 final String seinfo; 20105 final String label; 20106 final int targetSdkVersion; 20107 final PackageFreezer freezer; 20108 final int[] installedUserIds; 20109 20110 // reader 20111 synchronized (mPackages) { 20112 final PackageParser.Package pkg = mPackages.get(packageName); 20113 final PackageSetting ps = mSettings.mPackages.get(packageName); 20114 if (pkg == null || ps == null) { 20115 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20116 } 20117 20118 if (pkg.applicationInfo.isSystemApp()) { 20119 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20120 "Cannot move system application"); 20121 } 20122 20123 if (pkg.applicationInfo.isExternalAsec()) { 20124 currentAsec = true; 20125 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20126 } else if (pkg.applicationInfo.isForwardLocked()) { 20127 currentAsec = true; 20128 currentVolumeUuid = "forward_locked"; 20129 } else { 20130 currentAsec = false; 20131 currentVolumeUuid = ps.volumeUuid; 20132 20133 final File probe = new File(pkg.codePath); 20134 final File probeOat = new File(probe, "oat"); 20135 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20136 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20137 "Move only supported for modern cluster style installs"); 20138 } 20139 } 20140 20141 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20142 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20143 "Package already moved to " + volumeUuid); 20144 } 20145 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20146 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20147 "Device admin cannot be moved"); 20148 } 20149 20150 if (mFrozenPackages.contains(packageName)) { 20151 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20152 "Failed to move already frozen package"); 20153 } 20154 20155 codeFile = new File(pkg.codePath); 20156 installerPackageName = ps.installerPackageName; 20157 packageAbiOverride = ps.cpuAbiOverrideString; 20158 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20159 seinfo = pkg.applicationInfo.seinfo; 20160 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20161 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20162 freezer = freezePackage(packageName, "movePackageInternal"); 20163 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20164 } 20165 20166 final Bundle extras = new Bundle(); 20167 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20168 extras.putString(Intent.EXTRA_TITLE, label); 20169 mMoveCallbacks.notifyCreated(moveId, extras); 20170 20171 int installFlags; 20172 final boolean moveCompleteApp; 20173 final File measurePath; 20174 20175 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20176 installFlags = INSTALL_INTERNAL; 20177 moveCompleteApp = !currentAsec; 20178 measurePath = Environment.getDataAppDirectory(volumeUuid); 20179 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20180 installFlags = INSTALL_EXTERNAL; 20181 moveCompleteApp = false; 20182 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20183 } else { 20184 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20185 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20186 || !volume.isMountedWritable()) { 20187 freezer.close(); 20188 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20189 "Move location not mounted private volume"); 20190 } 20191 20192 Preconditions.checkState(!currentAsec); 20193 20194 installFlags = INSTALL_INTERNAL; 20195 moveCompleteApp = true; 20196 measurePath = Environment.getDataAppDirectory(volumeUuid); 20197 } 20198 20199 final PackageStats stats = new PackageStats(null, -1); 20200 synchronized (mInstaller) { 20201 for (int userId : installedUserIds) { 20202 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20203 freezer.close(); 20204 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20205 "Failed to measure package size"); 20206 } 20207 } 20208 } 20209 20210 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20211 + stats.dataSize); 20212 20213 final long startFreeBytes = measurePath.getFreeSpace(); 20214 final long sizeBytes; 20215 if (moveCompleteApp) { 20216 sizeBytes = stats.codeSize + stats.dataSize; 20217 } else { 20218 sizeBytes = stats.codeSize; 20219 } 20220 20221 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20222 freezer.close(); 20223 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20224 "Not enough free space to move"); 20225 } 20226 20227 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20228 20229 final CountDownLatch installedLatch = new CountDownLatch(1); 20230 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20231 @Override 20232 public void onUserActionRequired(Intent intent) throws RemoteException { 20233 throw new IllegalStateException(); 20234 } 20235 20236 @Override 20237 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20238 Bundle extras) throws RemoteException { 20239 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20240 + PackageManager.installStatusToString(returnCode, msg)); 20241 20242 installedLatch.countDown(); 20243 freezer.close(); 20244 20245 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20246 switch (status) { 20247 case PackageInstaller.STATUS_SUCCESS: 20248 mMoveCallbacks.notifyStatusChanged(moveId, 20249 PackageManager.MOVE_SUCCEEDED); 20250 break; 20251 case PackageInstaller.STATUS_FAILURE_STORAGE: 20252 mMoveCallbacks.notifyStatusChanged(moveId, 20253 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20254 break; 20255 default: 20256 mMoveCallbacks.notifyStatusChanged(moveId, 20257 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20258 break; 20259 } 20260 } 20261 }; 20262 20263 final MoveInfo move; 20264 if (moveCompleteApp) { 20265 // Kick off a thread to report progress estimates 20266 new Thread() { 20267 @Override 20268 public void run() { 20269 while (true) { 20270 try { 20271 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20272 break; 20273 } 20274 } catch (InterruptedException ignored) { 20275 } 20276 20277 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20278 final int progress = 10 + (int) MathUtils.constrain( 20279 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20280 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20281 } 20282 } 20283 }.start(); 20284 20285 final String dataAppName = codeFile.getName(); 20286 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20287 dataAppName, appId, seinfo, targetSdkVersion); 20288 } else { 20289 move = null; 20290 } 20291 20292 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20293 20294 final Message msg = mHandler.obtainMessage(INIT_COPY); 20295 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20296 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20297 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20298 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20299 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20300 msg.obj = params; 20301 20302 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20303 System.identityHashCode(msg.obj)); 20304 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20305 System.identityHashCode(msg.obj)); 20306 20307 mHandler.sendMessage(msg); 20308 } 20309 20310 @Override 20311 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20312 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20313 20314 final int realMoveId = mNextMoveId.getAndIncrement(); 20315 final Bundle extras = new Bundle(); 20316 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20317 mMoveCallbacks.notifyCreated(realMoveId, extras); 20318 20319 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20320 @Override 20321 public void onCreated(int moveId, Bundle extras) { 20322 // Ignored 20323 } 20324 20325 @Override 20326 public void onStatusChanged(int moveId, int status, long estMillis) { 20327 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20328 } 20329 }; 20330 20331 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20332 storage.setPrimaryStorageUuid(volumeUuid, callback); 20333 return realMoveId; 20334 } 20335 20336 @Override 20337 public int getMoveStatus(int moveId) { 20338 mContext.enforceCallingOrSelfPermission( 20339 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20340 return mMoveCallbacks.mLastStatus.get(moveId); 20341 } 20342 20343 @Override 20344 public void registerMoveCallback(IPackageMoveObserver callback) { 20345 mContext.enforceCallingOrSelfPermission( 20346 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20347 mMoveCallbacks.register(callback); 20348 } 20349 20350 @Override 20351 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20352 mContext.enforceCallingOrSelfPermission( 20353 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20354 mMoveCallbacks.unregister(callback); 20355 } 20356 20357 @Override 20358 public boolean setInstallLocation(int loc) { 20359 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20360 null); 20361 if (getInstallLocation() == loc) { 20362 return true; 20363 } 20364 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20365 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20366 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20367 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20368 return true; 20369 } 20370 return false; 20371 } 20372 20373 @Override 20374 public int getInstallLocation() { 20375 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20376 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20377 PackageHelper.APP_INSTALL_AUTO); 20378 } 20379 20380 /** Called by UserManagerService */ 20381 void cleanUpUser(UserManagerService userManager, int userHandle) { 20382 synchronized (mPackages) { 20383 mDirtyUsers.remove(userHandle); 20384 mUserNeedsBadging.delete(userHandle); 20385 mSettings.removeUserLPw(userHandle); 20386 mPendingBroadcasts.remove(userHandle); 20387 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20388 removeUnusedPackagesLPw(userManager, userHandle); 20389 } 20390 } 20391 20392 /** 20393 * We're removing userHandle and would like to remove any downloaded packages 20394 * that are no longer in use by any other user. 20395 * @param userHandle the user being removed 20396 */ 20397 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20398 final boolean DEBUG_CLEAN_APKS = false; 20399 int [] users = userManager.getUserIds(); 20400 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20401 while (psit.hasNext()) { 20402 PackageSetting ps = psit.next(); 20403 if (ps.pkg == null) { 20404 continue; 20405 } 20406 final String packageName = ps.pkg.packageName; 20407 // Skip over if system app 20408 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20409 continue; 20410 } 20411 if (DEBUG_CLEAN_APKS) { 20412 Slog.i(TAG, "Checking package " + packageName); 20413 } 20414 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20415 if (keep) { 20416 if (DEBUG_CLEAN_APKS) { 20417 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20418 } 20419 } else { 20420 for (int i = 0; i < users.length; i++) { 20421 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20422 keep = true; 20423 if (DEBUG_CLEAN_APKS) { 20424 Slog.i(TAG, " Keeping package " + packageName + " for user " 20425 + users[i]); 20426 } 20427 break; 20428 } 20429 } 20430 } 20431 if (!keep) { 20432 if (DEBUG_CLEAN_APKS) { 20433 Slog.i(TAG, " Removing package " + packageName); 20434 } 20435 mHandler.post(new Runnable() { 20436 public void run() { 20437 deletePackageX(packageName, userHandle, 0); 20438 } //end run 20439 }); 20440 } 20441 } 20442 } 20443 20444 /** Called by UserManagerService */ 20445 void createNewUser(int userId) { 20446 synchronized (mInstallLock) { 20447 mSettings.createNewUserLI(this, mInstaller, userId); 20448 } 20449 synchronized (mPackages) { 20450 scheduleWritePackageRestrictionsLocked(userId); 20451 scheduleWritePackageListLocked(userId); 20452 applyFactoryDefaultBrowserLPw(userId); 20453 primeDomainVerificationsLPw(userId); 20454 } 20455 } 20456 20457 void onNewUserCreated(final int userId) { 20458 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20459 // If permission review for legacy apps is required, we represent 20460 // dagerous permissions for such apps as always granted runtime 20461 // permissions to keep per user flag state whether review is needed. 20462 // Hence, if a new user is added we have to propagate dangerous 20463 // permission grants for these legacy apps. 20464 if (mPermissionReviewRequired) { 20465 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20466 | UPDATE_PERMISSIONS_REPLACE_ALL); 20467 } 20468 } 20469 20470 @Override 20471 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20472 mContext.enforceCallingOrSelfPermission( 20473 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20474 "Only package verification agents can read the verifier device identity"); 20475 20476 synchronized (mPackages) { 20477 return mSettings.getVerifierDeviceIdentityLPw(); 20478 } 20479 } 20480 20481 @Override 20482 public void setPermissionEnforced(String permission, boolean enforced) { 20483 // TODO: Now that we no longer change GID for storage, this should to away. 20484 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20485 "setPermissionEnforced"); 20486 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20487 synchronized (mPackages) { 20488 if (mSettings.mReadExternalStorageEnforced == null 20489 || mSettings.mReadExternalStorageEnforced != enforced) { 20490 mSettings.mReadExternalStorageEnforced = enforced; 20491 mSettings.writeLPr(); 20492 } 20493 } 20494 // kill any non-foreground processes so we restart them and 20495 // grant/revoke the GID. 20496 final IActivityManager am = ActivityManagerNative.getDefault(); 20497 if (am != null) { 20498 final long token = Binder.clearCallingIdentity(); 20499 try { 20500 am.killProcessesBelowForeground("setPermissionEnforcement"); 20501 } catch (RemoteException e) { 20502 } finally { 20503 Binder.restoreCallingIdentity(token); 20504 } 20505 } 20506 } else { 20507 throw new IllegalArgumentException("No selective enforcement for " + permission); 20508 } 20509 } 20510 20511 @Override 20512 @Deprecated 20513 public boolean isPermissionEnforced(String permission) { 20514 return true; 20515 } 20516 20517 @Override 20518 public boolean isStorageLow() { 20519 final long token = Binder.clearCallingIdentity(); 20520 try { 20521 final DeviceStorageMonitorInternal 20522 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20523 if (dsm != null) { 20524 return dsm.isMemoryLow(); 20525 } else { 20526 return false; 20527 } 20528 } finally { 20529 Binder.restoreCallingIdentity(token); 20530 } 20531 } 20532 20533 @Override 20534 public IPackageInstaller getPackageInstaller() { 20535 return mInstallerService; 20536 } 20537 20538 private boolean userNeedsBadging(int userId) { 20539 int index = mUserNeedsBadging.indexOfKey(userId); 20540 if (index < 0) { 20541 final UserInfo userInfo; 20542 final long token = Binder.clearCallingIdentity(); 20543 try { 20544 userInfo = sUserManager.getUserInfo(userId); 20545 } finally { 20546 Binder.restoreCallingIdentity(token); 20547 } 20548 final boolean b; 20549 if (userInfo != null && userInfo.isManagedProfile()) { 20550 b = true; 20551 } else { 20552 b = false; 20553 } 20554 mUserNeedsBadging.put(userId, b); 20555 return b; 20556 } 20557 return mUserNeedsBadging.valueAt(index); 20558 } 20559 20560 @Override 20561 public KeySet getKeySetByAlias(String packageName, String alias) { 20562 if (packageName == null || alias == null) { 20563 return null; 20564 } 20565 synchronized(mPackages) { 20566 final PackageParser.Package pkg = mPackages.get(packageName); 20567 if (pkg == null) { 20568 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20569 throw new IllegalArgumentException("Unknown package: " + packageName); 20570 } 20571 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20572 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20573 } 20574 } 20575 20576 @Override 20577 public KeySet getSigningKeySet(String packageName) { 20578 if (packageName == null) { 20579 return null; 20580 } 20581 synchronized(mPackages) { 20582 final PackageParser.Package pkg = mPackages.get(packageName); 20583 if (pkg == null) { 20584 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20585 throw new IllegalArgumentException("Unknown package: " + packageName); 20586 } 20587 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20588 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20589 throw new SecurityException("May not access signing KeySet of other apps."); 20590 } 20591 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20592 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20593 } 20594 } 20595 20596 @Override 20597 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20598 if (packageName == null || ks == null) { 20599 return false; 20600 } 20601 synchronized(mPackages) { 20602 final PackageParser.Package pkg = mPackages.get(packageName); 20603 if (pkg == null) { 20604 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20605 throw new IllegalArgumentException("Unknown package: " + packageName); 20606 } 20607 IBinder ksh = ks.getToken(); 20608 if (ksh instanceof KeySetHandle) { 20609 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20610 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20611 } 20612 return false; 20613 } 20614 } 20615 20616 @Override 20617 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20618 if (packageName == null || ks == null) { 20619 return false; 20620 } 20621 synchronized(mPackages) { 20622 final PackageParser.Package pkg = mPackages.get(packageName); 20623 if (pkg == null) { 20624 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20625 throw new IllegalArgumentException("Unknown package: " + packageName); 20626 } 20627 IBinder ksh = ks.getToken(); 20628 if (ksh instanceof KeySetHandle) { 20629 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20630 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20631 } 20632 return false; 20633 } 20634 } 20635 20636 private void deletePackageIfUnusedLPr(final String packageName) { 20637 PackageSetting ps = mSettings.mPackages.get(packageName); 20638 if (ps == null) { 20639 return; 20640 } 20641 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20642 // TODO Implement atomic delete if package is unused 20643 // It is currently possible that the package will be deleted even if it is installed 20644 // after this method returns. 20645 mHandler.post(new Runnable() { 20646 public void run() { 20647 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20648 } 20649 }); 20650 } 20651 } 20652 20653 /** 20654 * Check and throw if the given before/after packages would be considered a 20655 * downgrade. 20656 */ 20657 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20658 throws PackageManagerException { 20659 if (after.versionCode < before.mVersionCode) { 20660 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20661 "Update version code " + after.versionCode + " is older than current " 20662 + before.mVersionCode); 20663 } else if (after.versionCode == before.mVersionCode) { 20664 if (after.baseRevisionCode < before.baseRevisionCode) { 20665 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20666 "Update base revision code " + after.baseRevisionCode 20667 + " is older than current " + before.baseRevisionCode); 20668 } 20669 20670 if (!ArrayUtils.isEmpty(after.splitNames)) { 20671 for (int i = 0; i < after.splitNames.length; i++) { 20672 final String splitName = after.splitNames[i]; 20673 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20674 if (j != -1) { 20675 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20676 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20677 "Update split " + splitName + " revision code " 20678 + after.splitRevisionCodes[i] + " is older than current " 20679 + before.splitRevisionCodes[j]); 20680 } 20681 } 20682 } 20683 } 20684 } 20685 } 20686 20687 private static class MoveCallbacks extends Handler { 20688 private static final int MSG_CREATED = 1; 20689 private static final int MSG_STATUS_CHANGED = 2; 20690 20691 private final RemoteCallbackList<IPackageMoveObserver> 20692 mCallbacks = new RemoteCallbackList<>(); 20693 20694 private final SparseIntArray mLastStatus = new SparseIntArray(); 20695 20696 public MoveCallbacks(Looper looper) { 20697 super(looper); 20698 } 20699 20700 public void register(IPackageMoveObserver callback) { 20701 mCallbacks.register(callback); 20702 } 20703 20704 public void unregister(IPackageMoveObserver callback) { 20705 mCallbacks.unregister(callback); 20706 } 20707 20708 @Override 20709 public void handleMessage(Message msg) { 20710 final SomeArgs args = (SomeArgs) msg.obj; 20711 final int n = mCallbacks.beginBroadcast(); 20712 for (int i = 0; i < n; i++) { 20713 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20714 try { 20715 invokeCallback(callback, msg.what, args); 20716 } catch (RemoteException ignored) { 20717 } 20718 } 20719 mCallbacks.finishBroadcast(); 20720 args.recycle(); 20721 } 20722 20723 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20724 throws RemoteException { 20725 switch (what) { 20726 case MSG_CREATED: { 20727 callback.onCreated(args.argi1, (Bundle) args.arg2); 20728 break; 20729 } 20730 case MSG_STATUS_CHANGED: { 20731 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20732 break; 20733 } 20734 } 20735 } 20736 20737 private void notifyCreated(int moveId, Bundle extras) { 20738 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20739 20740 final SomeArgs args = SomeArgs.obtain(); 20741 args.argi1 = moveId; 20742 args.arg2 = extras; 20743 obtainMessage(MSG_CREATED, args).sendToTarget(); 20744 } 20745 20746 private void notifyStatusChanged(int moveId, int status) { 20747 notifyStatusChanged(moveId, status, -1); 20748 } 20749 20750 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20751 Slog.v(TAG, "Move " + moveId + " status " + status); 20752 20753 final SomeArgs args = SomeArgs.obtain(); 20754 args.argi1 = moveId; 20755 args.argi2 = status; 20756 args.arg3 = estMillis; 20757 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20758 20759 synchronized (mLastStatus) { 20760 mLastStatus.put(moveId, status); 20761 } 20762 } 20763 } 20764 20765 private final static class OnPermissionChangeListeners extends Handler { 20766 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20767 20768 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20769 new RemoteCallbackList<>(); 20770 20771 public OnPermissionChangeListeners(Looper looper) { 20772 super(looper); 20773 } 20774 20775 @Override 20776 public void handleMessage(Message msg) { 20777 switch (msg.what) { 20778 case MSG_ON_PERMISSIONS_CHANGED: { 20779 final int uid = msg.arg1; 20780 handleOnPermissionsChanged(uid); 20781 } break; 20782 } 20783 } 20784 20785 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20786 mPermissionListeners.register(listener); 20787 20788 } 20789 20790 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20791 mPermissionListeners.unregister(listener); 20792 } 20793 20794 public void onPermissionsChanged(int uid) { 20795 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20796 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20797 } 20798 } 20799 20800 private void handleOnPermissionsChanged(int uid) { 20801 final int count = mPermissionListeners.beginBroadcast(); 20802 try { 20803 for (int i = 0; i < count; i++) { 20804 IOnPermissionsChangeListener callback = mPermissionListeners 20805 .getBroadcastItem(i); 20806 try { 20807 callback.onPermissionsChanged(uid); 20808 } catch (RemoteException e) { 20809 Log.e(TAG, "Permission listener is dead", e); 20810 } 20811 } 20812 } finally { 20813 mPermissionListeners.finishBroadcast(); 20814 } 20815 } 20816 } 20817 20818 private class PackageManagerInternalImpl extends PackageManagerInternal { 20819 @Override 20820 public void setLocationPackagesProvider(PackagesProvider provider) { 20821 synchronized (mPackages) { 20822 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20823 } 20824 } 20825 20826 @Override 20827 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20828 synchronized (mPackages) { 20829 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20830 } 20831 } 20832 20833 @Override 20834 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20835 synchronized (mPackages) { 20836 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20837 } 20838 } 20839 20840 @Override 20841 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20842 synchronized (mPackages) { 20843 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20844 } 20845 } 20846 20847 @Override 20848 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20849 synchronized (mPackages) { 20850 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20851 } 20852 } 20853 20854 @Override 20855 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20856 synchronized (mPackages) { 20857 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20858 } 20859 } 20860 20861 @Override 20862 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20863 synchronized (mPackages) { 20864 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20865 packageName, userId); 20866 } 20867 } 20868 20869 @Override 20870 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20871 synchronized (mPackages) { 20872 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20873 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20874 packageName, userId); 20875 } 20876 } 20877 20878 @Override 20879 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20880 synchronized (mPackages) { 20881 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20882 packageName, userId); 20883 } 20884 } 20885 20886 @Override 20887 public void setKeepUninstalledPackages(final List<String> packageList) { 20888 Preconditions.checkNotNull(packageList); 20889 List<String> removedFromList = null; 20890 synchronized (mPackages) { 20891 if (mKeepUninstalledPackages != null) { 20892 final int packagesCount = mKeepUninstalledPackages.size(); 20893 for (int i = 0; i < packagesCount; i++) { 20894 String oldPackage = mKeepUninstalledPackages.get(i); 20895 if (packageList != null && packageList.contains(oldPackage)) { 20896 continue; 20897 } 20898 if (removedFromList == null) { 20899 removedFromList = new ArrayList<>(); 20900 } 20901 removedFromList.add(oldPackage); 20902 } 20903 } 20904 mKeepUninstalledPackages = new ArrayList<>(packageList); 20905 if (removedFromList != null) { 20906 final int removedCount = removedFromList.size(); 20907 for (int i = 0; i < removedCount; i++) { 20908 deletePackageIfUnusedLPr(removedFromList.get(i)); 20909 } 20910 } 20911 } 20912 } 20913 20914 @Override 20915 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20916 synchronized (mPackages) { 20917 // If we do not support permission review, done. 20918 if (!mPermissionReviewRequired) { 20919 return false; 20920 } 20921 20922 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20923 if (packageSetting == null) { 20924 return false; 20925 } 20926 20927 // Permission review applies only to apps not supporting the new permission model. 20928 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20929 return false; 20930 } 20931 20932 // Legacy apps have the permission and get user consent on launch. 20933 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20934 return permissionsState.isPermissionReviewRequired(userId); 20935 } 20936 } 20937 20938 @Override 20939 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20940 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20941 } 20942 20943 @Override 20944 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20945 int userId) { 20946 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20947 } 20948 20949 @Override 20950 public void setDeviceAndProfileOwnerPackages( 20951 int deviceOwnerUserId, String deviceOwnerPackage, 20952 SparseArray<String> profileOwnerPackages) { 20953 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20954 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20955 } 20956 20957 @Override 20958 public boolean isPackageDataProtected(int userId, String packageName) { 20959 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20960 } 20961 } 20962 20963 @Override 20964 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20965 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20966 synchronized (mPackages) { 20967 final long identity = Binder.clearCallingIdentity(); 20968 try { 20969 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20970 packageNames, userId); 20971 } finally { 20972 Binder.restoreCallingIdentity(identity); 20973 } 20974 } 20975 } 20976 20977 private static void enforceSystemOrPhoneCaller(String tag) { 20978 int callingUid = Binder.getCallingUid(); 20979 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20980 throw new SecurityException( 20981 "Cannot call " + tag + " from UID " + callingUid); 20982 } 20983 } 20984 20985 boolean isHistoricalPackageUsageAvailable() { 20986 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20987 } 20988 20989 /** 20990 * Return a <b>copy</b> of the collection of packages known to the package manager. 20991 * @return A copy of the values of mPackages. 20992 */ 20993 Collection<PackageParser.Package> getPackages() { 20994 synchronized (mPackages) { 20995 return new ArrayList<>(mPackages.values()); 20996 } 20997 } 20998 20999 /** 21000 * Logs process start information (including base APK hash) to the security log. 21001 * @hide 21002 */ 21003 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21004 String apkFile, int pid) { 21005 if (!SecurityLog.isLoggingEnabled()) { 21006 return; 21007 } 21008 Bundle data = new Bundle(); 21009 data.putLong("startTimestamp", System.currentTimeMillis()); 21010 data.putString("processName", processName); 21011 data.putInt("uid", uid); 21012 data.putString("seinfo", seinfo); 21013 data.putString("apkFile", apkFile); 21014 data.putInt("pid", pid); 21015 Message msg = mProcessLoggingHandler.obtainMessage( 21016 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21017 msg.setData(data); 21018 mProcessLoggingHandler.sendMessage(msg); 21019 } 21020 21021 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21022 return mCompilerStats.getPackageStats(pkgName); 21023 } 21024 21025 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21026 return getOrCreateCompilerPackageStats(pkg.packageName); 21027 } 21028 21029 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21030 return mCompilerStats.getOrCreatePackageStats(pkgName); 21031 } 21032 21033 public void deleteCompilerPackageStats(String pkgName) { 21034 mCompilerStats.deletePackageStats(pkgName); 21035 } 21036} 21037