PackageManagerService.java revision a5111bfda47f0d6c044c2bdbe6ae8a1c099849d7
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 80import static android.system.OsConstants.O_CREAT; 81import static android.system.OsConstants.O_RDWR; 82 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 85import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 86import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 87import static com.android.internal.util.ArrayUtils.appendInt; 88import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 89import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 92import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 93import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 100 101import android.Manifest; 102import android.annotation.NonNull; 103import android.annotation.Nullable; 104import android.annotation.UserIdInt; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.ResourcesManager; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 128import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 129import android.content.pm.FeatureInfo; 130import android.content.pm.IOnPermissionsChangeListener; 131import android.content.pm.IPackageDataObserver; 132import android.content.pm.IPackageDeleteObserver; 133import android.content.pm.IPackageDeleteObserver2; 134import android.content.pm.IPackageInstallObserver2; 135import android.content.pm.IPackageInstaller; 136import android.content.pm.IPackageManager; 137import android.content.pm.IPackageMoveObserver; 138import android.content.pm.IPackageStatsObserver; 139import android.content.pm.InstrumentationInfo; 140import android.content.pm.IntentFilterVerificationInfo; 141import android.content.pm.KeySet; 142import android.content.pm.PackageCleanItem; 143import android.content.pm.PackageInfo; 144import android.content.pm.PackageInfoLite; 145import android.content.pm.PackageInstaller; 146import android.content.pm.PackageManager; 147import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 148import android.content.pm.PackageManagerInternal; 149import android.content.pm.PackageParser; 150import android.content.pm.PackageParser.ActivityIntentInfo; 151import android.content.pm.PackageParser.PackageLite; 152import android.content.pm.PackageParser.PackageParserException; 153import android.content.pm.PackageStats; 154import android.content.pm.PackageUserState; 155import android.content.pm.ParceledListSlice; 156import android.content.pm.PermissionGroupInfo; 157import android.content.pm.PermissionInfo; 158import android.content.pm.ProviderInfo; 159import android.content.pm.ResolveInfo; 160import android.content.pm.ServiceInfo; 161import android.content.pm.Signature; 162import android.content.pm.UserInfo; 163import android.content.pm.VerifierDeviceIdentity; 164import android.content.pm.VerifierInfo; 165import android.content.res.Resources; 166import android.graphics.Bitmap; 167import android.hardware.display.DisplayManager; 168import android.net.Uri; 169import android.os.Binder; 170import android.os.Build; 171import android.os.Bundle; 172import android.os.Debug; 173import android.os.Environment; 174import android.os.Environment.UserEnvironment; 175import android.os.FileUtils; 176import android.os.Handler; 177import android.os.IBinder; 178import android.os.Looper; 179import android.os.Message; 180import android.os.Parcel; 181import android.os.ParcelFileDescriptor; 182import android.os.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.UserManagerInternal; 194import android.os.storage.IMountService; 195import android.os.storage.MountServiceInternal; 196import android.os.storage.StorageEventListener; 197import android.os.storage.StorageManager; 198import android.os.storage.VolumeInfo; 199import android.os.storage.VolumeRecord; 200import android.provider.Settings.Global; 201import android.security.KeyStore; 202import android.security.SystemKeyStore; 203import android.system.ErrnoException; 204import android.system.Os; 205import android.text.TextUtils; 206import android.text.format.DateUtils; 207import android.util.ArrayMap; 208import android.util.ArraySet; 209import android.util.DisplayMetrics; 210import android.util.EventLog; 211import android.util.ExceptionUtils; 212import android.util.Log; 213import android.util.LogPrinter; 214import android.util.MathUtils; 215import android.util.PrintStreamPrinter; 216import android.util.Slog; 217import android.util.SparseArray; 218import android.util.SparseBooleanArray; 219import android.util.SparseIntArray; 220import android.util.Xml; 221import android.util.jar.StrictJarFile; 222import android.view.Display; 223 224import com.android.internal.R; 225import com.android.internal.annotations.GuardedBy; 226import com.android.internal.app.IMediaContainerService; 227import com.android.internal.app.ResolverActivity; 228import com.android.internal.content.NativeLibraryHelper; 229import com.android.internal.content.PackageHelper; 230import com.android.internal.logging.MetricsLogger; 231import com.android.internal.os.IParcelFileDescriptorFactory; 232import com.android.internal.os.InstallerConnection.InstallerException; 233import com.android.internal.os.SomeArgs; 234import com.android.internal.os.Zygote; 235import com.android.internal.telephony.CarrierAppUtils; 236import com.android.internal.util.ArrayUtils; 237import com.android.internal.util.FastPrintWriter; 238import com.android.internal.util.FastXmlSerializer; 239import com.android.internal.util.IndentingPrintWriter; 240import com.android.internal.util.Preconditions; 241import com.android.internal.util.XmlUtils; 242import com.android.server.AttributeCache; 243import com.android.server.EventLogTags; 244import com.android.server.FgThread; 245import com.android.server.IntentResolver; 246import com.android.server.LocalServices; 247import com.android.server.ServiceThread; 248import com.android.server.SystemConfig; 249import com.android.server.Watchdog; 250import com.android.server.net.NetworkPolicyManagerInternal; 251import com.android.server.pm.PermissionsState.PermissionState; 252import com.android.server.pm.Settings.DatabaseVersion; 253import com.android.server.pm.Settings.VersionInfo; 254import com.android.server.storage.DeviceStorageMonitorInternal; 255 256import dalvik.system.CloseGuard; 257import dalvik.system.DexFile; 258import dalvik.system.VMRuntime; 259 260import libcore.io.IoUtils; 261import libcore.util.EmptyArray; 262 263import org.xmlpull.v1.XmlPullParser; 264import org.xmlpull.v1.XmlPullParserException; 265import org.xmlpull.v1.XmlSerializer; 266 267import java.io.BufferedOutputStream; 268import java.io.BufferedReader; 269import java.io.ByteArrayInputStream; 270import java.io.ByteArrayOutputStream; 271import java.io.File; 272import java.io.FileDescriptor; 273import java.io.FileInputStream; 274import java.io.FileNotFoundException; 275import java.io.FileOutputStream; 276import java.io.FileReader; 277import java.io.FilenameFilter; 278import java.io.IOException; 279import java.io.PrintWriter; 280import java.nio.charset.StandardCharsets; 281import java.security.DigestInputStream; 282import java.security.MessageDigest; 283import java.security.NoSuchAlgorithmException; 284import java.security.PublicKey; 285import java.security.cert.Certificate; 286import java.security.cert.CertificateEncodingException; 287import java.security.cert.CertificateException; 288import java.text.SimpleDateFormat; 289import java.util.ArrayList; 290import java.util.Arrays; 291import java.util.Collection; 292import java.util.Collections; 293import java.util.Comparator; 294import java.util.Date; 295import java.util.HashSet; 296import java.util.Iterator; 297import java.util.List; 298import java.util.Map; 299import java.util.Objects; 300import java.util.Set; 301import java.util.concurrent.CountDownLatch; 302import java.util.concurrent.TimeUnit; 303import java.util.concurrent.atomic.AtomicBoolean; 304import java.util.concurrent.atomic.AtomicInteger; 305 306/** 307 * Keep track of all those APKs everywhere. 308 * <p> 309 * Internally there are two important locks: 310 * <ul> 311 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 312 * and other related state. It is a fine-grained lock that should only be held 313 * momentarily, as it's one of the most contended locks in the system. 314 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 315 * operations typically involve heavy lifting of application data on disk. Since 316 * {@code installd} is single-threaded, and it's operations can often be slow, 317 * this lock should never be acquired while already holding {@link #mPackages}. 318 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 319 * holding {@link #mInstallLock}. 320 * </ul> 321 * Many internal methods rely on the caller to hold the appropriate locks, and 322 * this contract is expressed through method name suffixes: 323 * <ul> 324 * <li>fooLI(): the caller must hold {@link #mInstallLock} 325 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 326 * being modified must be frozen 327 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 328 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 329 * </ul> 330 * <p> 331 * Because this class is very central to the platform's security; please run all 332 * CTS and unit tests whenever making modifications: 333 * 334 * <pre> 335 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 336 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 337 * </pre> 338 */ 339public class PackageManagerService extends IPackageManager.Stub { 340 static final String TAG = "PackageManager"; 341 static final boolean DEBUG_SETTINGS = false; 342 static final boolean DEBUG_PREFERRED = false; 343 static final boolean DEBUG_UPGRADE = false; 344 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 345 private static final boolean DEBUG_BACKUP = false; 346 private static final boolean DEBUG_INSTALL = false; 347 private static final boolean DEBUG_REMOVE = false; 348 private static final boolean DEBUG_BROADCASTS = false; 349 private static final boolean DEBUG_SHOW_INFO = false; 350 private static final boolean DEBUG_PACKAGE_INFO = false; 351 private static final boolean DEBUG_INTENT_MATCHING = false; 352 private static final boolean DEBUG_PACKAGE_SCANNING = false; 353 private static final boolean DEBUG_VERIFY = false; 354 private static final boolean DEBUG_FILTERS = false; 355 356 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 357 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 358 // user, but by default initialize to this. 359 static final boolean DEBUG_DEXOPT = false; 360 361 private static final boolean DEBUG_ABI_SELECTION = false; 362 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 363 private static final boolean DEBUG_TRIAGED_MISSING = false; 364 private static final boolean DEBUG_APP_DATA = false; 365 366 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 new DefaultPermissionGrantPolicy(this); 742 743 // List of packages names to keep cached, even if they are uninstalled for all users 744 private List<String> mKeepUninstalledPackages; 745 746 private UserManagerInternal mUserManagerInternal; 747 748 private static class IFVerificationParams { 749 PackageParser.Package pkg; 750 boolean replacing; 751 int userId; 752 int verifierUid; 753 754 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 755 int _userId, int _verifierUid) { 756 pkg = _pkg; 757 replacing = _replacing; 758 userId = _userId; 759 replacing = _replacing; 760 verifierUid = _verifierUid; 761 } 762 } 763 764 private interface IntentFilterVerifier<T extends IntentFilter> { 765 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 766 T filter, String packageName); 767 void startVerifications(int userId); 768 void receiveVerificationResponse(int verificationId); 769 } 770 771 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 772 private Context mContext; 773 private ComponentName mIntentFilterVerifierComponent; 774 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 775 776 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 777 mContext = context; 778 mIntentFilterVerifierComponent = verifierComponent; 779 } 780 781 private String getDefaultScheme() { 782 return IntentFilter.SCHEME_HTTPS; 783 } 784 785 @Override 786 public void startVerifications(int userId) { 787 // Launch verifications requests 788 int count = mCurrentIntentFilterVerifications.size(); 789 for (int n=0; n<count; n++) { 790 int verificationId = mCurrentIntentFilterVerifications.get(n); 791 final IntentFilterVerificationState ivs = 792 mIntentFilterVerificationStates.get(verificationId); 793 794 String packageName = ivs.getPackageName(); 795 796 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 797 final int filterCount = filters.size(); 798 ArraySet<String> domainsSet = new ArraySet<>(); 799 for (int m=0; m<filterCount; m++) { 800 PackageParser.ActivityIntentInfo filter = filters.get(m); 801 domainsSet.addAll(filter.getHostsList()); 802 } 803 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 804 synchronized (mPackages) { 805 if (mSettings.createIntentFilterVerificationIfNeededLPw( 806 packageName, domainsList) != null) { 807 scheduleWriteSettingsLocked(); 808 } 809 } 810 sendVerificationRequest(userId, verificationId, ivs); 811 } 812 mCurrentIntentFilterVerifications.clear(); 813 } 814 815 private void sendVerificationRequest(int userId, int verificationId, 816 IntentFilterVerificationState ivs) { 817 818 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 819 verificationIntent.putExtra( 820 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 821 verificationId); 822 verificationIntent.putExtra( 823 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 824 getDefaultScheme()); 825 verificationIntent.putExtra( 826 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 827 ivs.getHostsString()); 828 verificationIntent.putExtra( 829 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 830 ivs.getPackageName()); 831 verificationIntent.setComponent(mIntentFilterVerifierComponent); 832 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 833 834 UserHandle user = new UserHandle(userId); 835 mContext.sendBroadcastAsUser(verificationIntent, user); 836 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 837 "Sending IntentFilter verification broadcast"); 838 } 839 840 public void receiveVerificationResponse(int verificationId) { 841 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 842 843 final boolean verified = ivs.isVerified(); 844 845 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 846 final int count = filters.size(); 847 if (DEBUG_DOMAIN_VERIFICATION) { 848 Slog.i(TAG, "Received verification response " + verificationId 849 + " for " + count + " filters, verified=" + verified); 850 } 851 for (int n=0; n<count; n++) { 852 PackageParser.ActivityIntentInfo filter = filters.get(n); 853 filter.setVerified(verified); 854 855 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 856 + " verified with result:" + verified + " and hosts:" 857 + ivs.getHostsString()); 858 } 859 860 mIntentFilterVerificationStates.remove(verificationId); 861 862 final String packageName = ivs.getPackageName(); 863 IntentFilterVerificationInfo ivi = null; 864 865 synchronized (mPackages) { 866 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 867 } 868 if (ivi == null) { 869 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 870 + verificationId + " packageName:" + packageName); 871 return; 872 } 873 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 874 "Updating IntentFilterVerificationInfo for package " + packageName 875 +" verificationId:" + verificationId); 876 877 synchronized (mPackages) { 878 if (verified) { 879 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 880 } else { 881 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 882 } 883 scheduleWriteSettingsLocked(); 884 885 final int userId = ivs.getUserId(); 886 if (userId != UserHandle.USER_ALL) { 887 final int userStatus = 888 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 889 890 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 891 boolean needUpdate = false; 892 893 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 894 // already been set by the User thru the Disambiguation dialog 895 switch (userStatus) { 896 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 897 if (verified) { 898 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 899 } else { 900 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 901 } 902 needUpdate = true; 903 break; 904 905 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 906 if (verified) { 907 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 908 needUpdate = true; 909 } 910 break; 911 912 default: 913 // Nothing to do 914 } 915 916 if (needUpdate) { 917 mSettings.updateIntentFilterVerificationStatusLPw( 918 packageName, updatedStatus, userId); 919 scheduleWritePackageRestrictionsLocked(userId); 920 } 921 } 922 } 923 } 924 925 @Override 926 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 927 ActivityIntentInfo filter, String packageName) { 928 if (!hasValidDomains(filter)) { 929 return false; 930 } 931 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 932 if (ivs == null) { 933 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 934 packageName); 935 } 936 if (DEBUG_DOMAIN_VERIFICATION) { 937 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 938 } 939 ivs.addFilter(filter); 940 return true; 941 } 942 943 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 944 int userId, int verificationId, String packageName) { 945 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 946 verifierUid, userId, packageName); 947 ivs.setPendingState(); 948 synchronized (mPackages) { 949 mIntentFilterVerificationStates.append(verificationId, ivs); 950 mCurrentIntentFilterVerifications.add(verificationId); 951 } 952 return ivs; 953 } 954 } 955 956 private static boolean hasValidDomains(ActivityIntentInfo filter) { 957 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 958 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 959 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 960 } 961 962 // Set of pending broadcasts for aggregating enable/disable of components. 963 static class PendingPackageBroadcasts { 964 // for each user id, a map of <package name -> components within that package> 965 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 966 967 public PendingPackageBroadcasts() { 968 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 969 } 970 971 public ArrayList<String> get(int userId, String packageName) { 972 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 973 return packages.get(packageName); 974 } 975 976 public void put(int userId, String packageName, ArrayList<String> components) { 977 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 978 packages.put(packageName, components); 979 } 980 981 public void remove(int userId, String packageName) { 982 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 983 if (packages != null) { 984 packages.remove(packageName); 985 } 986 } 987 988 public void remove(int userId) { 989 mUidMap.remove(userId); 990 } 991 992 public int userIdCount() { 993 return mUidMap.size(); 994 } 995 996 public int userIdAt(int n) { 997 return mUidMap.keyAt(n); 998 } 999 1000 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1001 return mUidMap.get(userId); 1002 } 1003 1004 public int size() { 1005 // total number of pending broadcast entries across all userIds 1006 int num = 0; 1007 for (int i = 0; i< mUidMap.size(); i++) { 1008 num += mUidMap.valueAt(i).size(); 1009 } 1010 return num; 1011 } 1012 1013 public void clear() { 1014 mUidMap.clear(); 1015 } 1016 1017 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1018 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1019 if (map == null) { 1020 map = new ArrayMap<String, ArrayList<String>>(); 1021 mUidMap.put(userId, map); 1022 } 1023 return map; 1024 } 1025 } 1026 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1027 1028 // Service Connection to remote media container service to copy 1029 // package uri's from external media onto secure containers 1030 // or internal storage. 1031 private IMediaContainerService mContainerService = null; 1032 1033 static final int SEND_PENDING_BROADCAST = 1; 1034 static final int MCS_BOUND = 3; 1035 static final int END_COPY = 4; 1036 static final int INIT_COPY = 5; 1037 static final int MCS_UNBIND = 6; 1038 static final int START_CLEANING_PACKAGE = 7; 1039 static final int FIND_INSTALL_LOC = 8; 1040 static final int POST_INSTALL = 9; 1041 static final int MCS_RECONNECT = 10; 1042 static final int MCS_GIVE_UP = 11; 1043 static final int UPDATED_MEDIA_STATUS = 12; 1044 static final int WRITE_SETTINGS = 13; 1045 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1046 static final int PACKAGE_VERIFIED = 15; 1047 static final int CHECK_PENDING_VERIFICATION = 16; 1048 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1049 static final int INTENT_FILTER_VERIFIED = 18; 1050 static final int WRITE_PACKAGE_LIST = 19; 1051 1052 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1053 1054 // Delay time in millisecs 1055 static final int BROADCAST_DELAY = 10 * 1000; 1056 1057 static UserManagerService sUserManager; 1058 1059 // Stores a list of users whose package restrictions file needs to be updated 1060 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1061 1062 final private DefaultContainerConnection mDefContainerConn = 1063 new DefaultContainerConnection(); 1064 class DefaultContainerConnection implements ServiceConnection { 1065 public void onServiceConnected(ComponentName name, IBinder service) { 1066 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1067 IMediaContainerService imcs = 1068 IMediaContainerService.Stub.asInterface(service); 1069 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1070 } 1071 1072 public void onServiceDisconnected(ComponentName name) { 1073 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1074 } 1075 } 1076 1077 // Recordkeeping of restore-after-install operations that are currently in flight 1078 // between the Package Manager and the Backup Manager 1079 static class PostInstallData { 1080 public InstallArgs args; 1081 public PackageInstalledInfo res; 1082 1083 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1084 args = _a; 1085 res = _r; 1086 } 1087 } 1088 1089 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1090 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1091 1092 // XML tags for backup/restore of various bits of state 1093 private static final String TAG_PREFERRED_BACKUP = "pa"; 1094 private static final String TAG_DEFAULT_APPS = "da"; 1095 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1096 1097 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1098 private static final String TAG_ALL_GRANTS = "rt-grants"; 1099 private static final String TAG_GRANT = "grant"; 1100 private static final String ATTR_PACKAGE_NAME = "pkg"; 1101 1102 private static final String TAG_PERMISSION = "perm"; 1103 private static final String ATTR_PERMISSION_NAME = "name"; 1104 private static final String ATTR_IS_GRANTED = "g"; 1105 private static final String ATTR_USER_SET = "set"; 1106 private static final String ATTR_USER_FIXED = "fixed"; 1107 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1108 1109 // System/policy permission grants are not backed up 1110 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1111 FLAG_PERMISSION_POLICY_FIXED 1112 | FLAG_PERMISSION_SYSTEM_FIXED 1113 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1114 1115 // And we back up these user-adjusted states 1116 private static final int USER_RUNTIME_GRANT_MASK = 1117 FLAG_PERMISSION_USER_SET 1118 | FLAG_PERMISSION_USER_FIXED 1119 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1120 1121 final @Nullable String mRequiredVerifierPackage; 1122 final @NonNull String mRequiredInstallerPackage; 1123 final @Nullable String mSetupWizardPackage; 1124 final @NonNull String mServicesSystemSharedLibraryPackageName; 1125 final @NonNull String mSharedSystemSharedLibraryPackageName; 1126 1127 private final PackageUsage mPackageUsage = new PackageUsage(); 1128 private final CompilerStats mCompilerStats = new CompilerStats(); 1129 1130 class PackageHandler extends Handler { 1131 private boolean mBound = false; 1132 final ArrayList<HandlerParams> mPendingInstalls = 1133 new ArrayList<HandlerParams>(); 1134 1135 private boolean connectToService() { 1136 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1137 " DefaultContainerService"); 1138 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1140 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1141 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1142 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1143 mBound = true; 1144 return true; 1145 } 1146 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1147 return false; 1148 } 1149 1150 private void disconnectService() { 1151 mContainerService = null; 1152 mBound = false; 1153 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1154 mContext.unbindService(mDefContainerConn); 1155 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1156 } 1157 1158 PackageHandler(Looper looper) { 1159 super(looper); 1160 } 1161 1162 public void handleMessage(Message msg) { 1163 try { 1164 doHandleMessage(msg); 1165 } finally { 1166 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1167 } 1168 } 1169 1170 void doHandleMessage(Message msg) { 1171 switch (msg.what) { 1172 case INIT_COPY: { 1173 HandlerParams params = (HandlerParams) msg.obj; 1174 int idx = mPendingInstalls.size(); 1175 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1176 // If a bind was already initiated we dont really 1177 // need to do anything. The pending install 1178 // will be processed later on. 1179 if (!mBound) { 1180 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1181 System.identityHashCode(mHandler)); 1182 // If this is the only one pending we might 1183 // have to bind to the service again. 1184 if (!connectToService()) { 1185 Slog.e(TAG, "Failed to bind to media container service"); 1186 params.serviceError(); 1187 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1188 System.identityHashCode(mHandler)); 1189 if (params.traceMethod != null) { 1190 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1191 params.traceCookie); 1192 } 1193 return; 1194 } else { 1195 // Once we bind to the service, the first 1196 // pending request will be processed. 1197 mPendingInstalls.add(idx, params); 1198 } 1199 } else { 1200 mPendingInstalls.add(idx, params); 1201 // Already bound to the service. Just make 1202 // sure we trigger off processing the first request. 1203 if (idx == 0) { 1204 mHandler.sendEmptyMessage(MCS_BOUND); 1205 } 1206 } 1207 break; 1208 } 1209 case MCS_BOUND: { 1210 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1211 if (msg.obj != null) { 1212 mContainerService = (IMediaContainerService) msg.obj; 1213 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1214 System.identityHashCode(mHandler)); 1215 } 1216 if (mContainerService == null) { 1217 if (!mBound) { 1218 // Something seriously wrong since we are not bound and we are not 1219 // waiting for connection. Bail out. 1220 Slog.e(TAG, "Cannot bind to media container service"); 1221 for (HandlerParams params : mPendingInstalls) { 1222 // Indicate service bind error 1223 params.serviceError(); 1224 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1225 System.identityHashCode(params)); 1226 if (params.traceMethod != null) { 1227 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1228 params.traceMethod, params.traceCookie); 1229 } 1230 return; 1231 } 1232 mPendingInstalls.clear(); 1233 } else { 1234 Slog.w(TAG, "Waiting to connect to media container service"); 1235 } 1236 } else if (mPendingInstalls.size() > 0) { 1237 HandlerParams params = mPendingInstalls.get(0); 1238 if (params != null) { 1239 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1240 System.identityHashCode(params)); 1241 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1242 if (params.startCopy()) { 1243 // We are done... look for more work or to 1244 // go idle. 1245 if (DEBUG_SD_INSTALL) Log.i(TAG, 1246 "Checking for more work or unbind..."); 1247 // Delete pending install 1248 if (mPendingInstalls.size() > 0) { 1249 mPendingInstalls.remove(0); 1250 } 1251 if (mPendingInstalls.size() == 0) { 1252 if (mBound) { 1253 if (DEBUG_SD_INSTALL) Log.i(TAG, 1254 "Posting delayed MCS_UNBIND"); 1255 removeMessages(MCS_UNBIND); 1256 Message ubmsg = obtainMessage(MCS_UNBIND); 1257 // Unbind after a little delay, to avoid 1258 // continual thrashing. 1259 sendMessageDelayed(ubmsg, 10000); 1260 } 1261 } else { 1262 // There are more pending requests in queue. 1263 // Just post MCS_BOUND message to trigger processing 1264 // of next pending install. 1265 if (DEBUG_SD_INSTALL) Log.i(TAG, 1266 "Posting MCS_BOUND for next work"); 1267 mHandler.sendEmptyMessage(MCS_BOUND); 1268 } 1269 } 1270 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1271 } 1272 } else { 1273 // Should never happen ideally. 1274 Slog.w(TAG, "Empty queue"); 1275 } 1276 break; 1277 } 1278 case MCS_RECONNECT: { 1279 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1280 if (mPendingInstalls.size() > 0) { 1281 if (mBound) { 1282 disconnectService(); 1283 } 1284 if (!connectToService()) { 1285 Slog.e(TAG, "Failed to bind to media container service"); 1286 for (HandlerParams params : mPendingInstalls) { 1287 // Indicate service bind error 1288 params.serviceError(); 1289 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1290 System.identityHashCode(params)); 1291 } 1292 mPendingInstalls.clear(); 1293 } 1294 } 1295 break; 1296 } 1297 case MCS_UNBIND: { 1298 // If there is no actual work left, then time to unbind. 1299 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1300 1301 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1302 if (mBound) { 1303 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1304 1305 disconnectService(); 1306 } 1307 } else if (mPendingInstalls.size() > 0) { 1308 // There are more pending requests in queue. 1309 // Just post MCS_BOUND message to trigger processing 1310 // of next pending install. 1311 mHandler.sendEmptyMessage(MCS_BOUND); 1312 } 1313 1314 break; 1315 } 1316 case MCS_GIVE_UP: { 1317 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1318 HandlerParams params = mPendingInstalls.remove(0); 1319 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1320 System.identityHashCode(params)); 1321 break; 1322 } 1323 case SEND_PENDING_BROADCAST: { 1324 String packages[]; 1325 ArrayList<String> components[]; 1326 int size = 0; 1327 int uids[]; 1328 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1329 synchronized (mPackages) { 1330 if (mPendingBroadcasts == null) { 1331 return; 1332 } 1333 size = mPendingBroadcasts.size(); 1334 if (size <= 0) { 1335 // Nothing to be done. Just return 1336 return; 1337 } 1338 packages = new String[size]; 1339 components = new ArrayList[size]; 1340 uids = new int[size]; 1341 int i = 0; // filling out the above arrays 1342 1343 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1344 int packageUserId = mPendingBroadcasts.userIdAt(n); 1345 Iterator<Map.Entry<String, ArrayList<String>>> it 1346 = mPendingBroadcasts.packagesForUserId(packageUserId) 1347 .entrySet().iterator(); 1348 while (it.hasNext() && i < size) { 1349 Map.Entry<String, ArrayList<String>> ent = it.next(); 1350 packages[i] = ent.getKey(); 1351 components[i] = ent.getValue(); 1352 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1353 uids[i] = (ps != null) 1354 ? UserHandle.getUid(packageUserId, ps.appId) 1355 : -1; 1356 i++; 1357 } 1358 } 1359 size = i; 1360 mPendingBroadcasts.clear(); 1361 } 1362 // Send broadcasts 1363 for (int i = 0; i < size; i++) { 1364 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1365 } 1366 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1367 break; 1368 } 1369 case START_CLEANING_PACKAGE: { 1370 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1371 final String packageName = (String)msg.obj; 1372 final int userId = msg.arg1; 1373 final boolean andCode = msg.arg2 != 0; 1374 synchronized (mPackages) { 1375 if (userId == UserHandle.USER_ALL) { 1376 int[] users = sUserManager.getUserIds(); 1377 for (int user : users) { 1378 mSettings.addPackageToCleanLPw( 1379 new PackageCleanItem(user, packageName, andCode)); 1380 } 1381 } else { 1382 mSettings.addPackageToCleanLPw( 1383 new PackageCleanItem(userId, packageName, andCode)); 1384 } 1385 } 1386 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1387 startCleaningPackages(); 1388 } break; 1389 case POST_INSTALL: { 1390 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1391 1392 PostInstallData data = mRunningInstalls.get(msg.arg1); 1393 final boolean didRestore = (msg.arg2 != 0); 1394 mRunningInstalls.delete(msg.arg1); 1395 1396 if (data != null) { 1397 InstallArgs args = data.args; 1398 PackageInstalledInfo parentRes = data.res; 1399 1400 final boolean grantPermissions = (args.installFlags 1401 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1402 final boolean killApp = (args.installFlags 1403 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1404 final String[] grantedPermissions = args.installGrantPermissions; 1405 1406 // Handle the parent package 1407 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1408 grantedPermissions, didRestore, args.installerPackageName, 1409 args.observer); 1410 1411 // Handle the child packages 1412 final int childCount = (parentRes.addedChildPackages != null) 1413 ? parentRes.addedChildPackages.size() : 0; 1414 for (int i = 0; i < childCount; i++) { 1415 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1416 handlePackagePostInstall(childRes, grantPermissions, killApp, 1417 grantedPermissions, false, args.installerPackageName, 1418 args.observer); 1419 } 1420 1421 // Log tracing if needed 1422 if (args.traceMethod != null) { 1423 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1424 args.traceCookie); 1425 } 1426 } else { 1427 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1428 } 1429 1430 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1431 } break; 1432 case UPDATED_MEDIA_STATUS: { 1433 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1434 boolean reportStatus = msg.arg1 == 1; 1435 boolean doGc = msg.arg2 == 1; 1436 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1437 if (doGc) { 1438 // Force a gc to clear up stale containers. 1439 Runtime.getRuntime().gc(); 1440 } 1441 if (msg.obj != null) { 1442 @SuppressWarnings("unchecked") 1443 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1444 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1445 // Unload containers 1446 unloadAllContainers(args); 1447 } 1448 if (reportStatus) { 1449 try { 1450 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1451 PackageHelper.getMountService().finishMediaUpdate(); 1452 } catch (RemoteException e) { 1453 Log.e(TAG, "MountService not running?"); 1454 } 1455 } 1456 } break; 1457 case WRITE_SETTINGS: { 1458 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1459 synchronized (mPackages) { 1460 removeMessages(WRITE_SETTINGS); 1461 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1462 mSettings.writeLPr(); 1463 mDirtyUsers.clear(); 1464 } 1465 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1466 } break; 1467 case WRITE_PACKAGE_RESTRICTIONS: { 1468 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1469 synchronized (mPackages) { 1470 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1471 for (int userId : mDirtyUsers) { 1472 mSettings.writePackageRestrictionsLPr(userId); 1473 } 1474 mDirtyUsers.clear(); 1475 } 1476 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1477 } break; 1478 case WRITE_PACKAGE_LIST: { 1479 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1480 synchronized (mPackages) { 1481 removeMessages(WRITE_PACKAGE_LIST); 1482 mSettings.writePackageListLPr(msg.arg1); 1483 } 1484 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1485 } break; 1486 case CHECK_PENDING_VERIFICATION: { 1487 final int verificationId = msg.arg1; 1488 final PackageVerificationState state = mPendingVerification.get(verificationId); 1489 1490 if ((state != null) && !state.timeoutExtended()) { 1491 final InstallArgs args = state.getInstallArgs(); 1492 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1493 1494 Slog.i(TAG, "Verification timed out for " + originUri); 1495 mPendingVerification.remove(verificationId); 1496 1497 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1498 1499 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1500 Slog.i(TAG, "Continuing with installation of " + originUri); 1501 state.setVerifierResponse(Binder.getCallingUid(), 1502 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1503 broadcastPackageVerified(verificationId, originUri, 1504 PackageManager.VERIFICATION_ALLOW, 1505 state.getInstallArgs().getUser()); 1506 try { 1507 ret = args.copyApk(mContainerService, true); 1508 } catch (RemoteException e) { 1509 Slog.e(TAG, "Could not contact the ContainerService"); 1510 } 1511 } else { 1512 broadcastPackageVerified(verificationId, originUri, 1513 PackageManager.VERIFICATION_REJECT, 1514 state.getInstallArgs().getUser()); 1515 } 1516 1517 Trace.asyncTraceEnd( 1518 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1519 1520 processPendingInstall(args, ret); 1521 mHandler.sendEmptyMessage(MCS_UNBIND); 1522 } 1523 break; 1524 } 1525 case PACKAGE_VERIFIED: { 1526 final int verificationId = msg.arg1; 1527 1528 final PackageVerificationState state = mPendingVerification.get(verificationId); 1529 if (state == null) { 1530 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1531 break; 1532 } 1533 1534 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1535 1536 state.setVerifierResponse(response.callerUid, response.code); 1537 1538 if (state.isVerificationComplete()) { 1539 mPendingVerification.remove(verificationId); 1540 1541 final InstallArgs args = state.getInstallArgs(); 1542 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1543 1544 int ret; 1545 if (state.isInstallAllowed()) { 1546 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1547 broadcastPackageVerified(verificationId, originUri, 1548 response.code, state.getInstallArgs().getUser()); 1549 try { 1550 ret = args.copyApk(mContainerService, true); 1551 } catch (RemoteException e) { 1552 Slog.e(TAG, "Could not contact the ContainerService"); 1553 } 1554 } else { 1555 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1556 } 1557 1558 Trace.asyncTraceEnd( 1559 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1560 1561 processPendingInstall(args, ret); 1562 mHandler.sendEmptyMessage(MCS_UNBIND); 1563 } 1564 1565 break; 1566 } 1567 case START_INTENT_FILTER_VERIFICATIONS: { 1568 IFVerificationParams params = (IFVerificationParams) msg.obj; 1569 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1570 params.replacing, params.pkg); 1571 break; 1572 } 1573 case INTENT_FILTER_VERIFIED: { 1574 final int verificationId = msg.arg1; 1575 1576 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1577 verificationId); 1578 if (state == null) { 1579 Slog.w(TAG, "Invalid IntentFilter verification token " 1580 + verificationId + " received"); 1581 break; 1582 } 1583 1584 final int userId = state.getUserId(); 1585 1586 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1587 "Processing IntentFilter verification with token:" 1588 + verificationId + " and userId:" + userId); 1589 1590 final IntentFilterVerificationResponse response = 1591 (IntentFilterVerificationResponse) msg.obj; 1592 1593 state.setVerifierResponse(response.callerUid, response.code); 1594 1595 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1596 "IntentFilter verification with token:" + verificationId 1597 + " and userId:" + userId 1598 + " is settings verifier response with response code:" 1599 + response.code); 1600 1601 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1602 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1603 + response.getFailedDomainsString()); 1604 } 1605 1606 if (state.isVerificationComplete()) { 1607 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1608 } else { 1609 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1610 "IntentFilter verification with token:" + verificationId 1611 + " was not said to be complete"); 1612 } 1613 1614 break; 1615 } 1616 } 1617 } 1618 } 1619 1620 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1621 boolean killApp, String[] grantedPermissions, 1622 boolean launchedForRestore, String installerPackage, 1623 IPackageInstallObserver2 installObserver) { 1624 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1625 // Send the removed broadcasts 1626 if (res.removedInfo != null) { 1627 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1628 } 1629 1630 // Now that we successfully installed the package, grant runtime 1631 // permissions if requested before broadcasting the install. 1632 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1633 >= Build.VERSION_CODES.M) { 1634 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1635 } 1636 1637 final boolean update = res.removedInfo != null 1638 && res.removedInfo.removedPackage != null; 1639 1640 // If this is the first time we have child packages for a disabled privileged 1641 // app that had no children, we grant requested runtime permissions to the new 1642 // children if the parent on the system image had them already granted. 1643 if (res.pkg.parentPackage != null) { 1644 synchronized (mPackages) { 1645 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1646 } 1647 } 1648 1649 synchronized (mPackages) { 1650 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1651 } 1652 1653 final String packageName = res.pkg.applicationInfo.packageName; 1654 Bundle extras = new Bundle(1); 1655 extras.putInt(Intent.EXTRA_UID, res.uid); 1656 1657 // Determine the set of users who are adding this package for 1658 // the first time vs. those who are seeing an update. 1659 int[] firstUsers = EMPTY_INT_ARRAY; 1660 int[] updateUsers = EMPTY_INT_ARRAY; 1661 if (res.origUsers == null || res.origUsers.length == 0) { 1662 firstUsers = res.newUsers; 1663 } else { 1664 for (int newUser : res.newUsers) { 1665 boolean isNew = true; 1666 for (int origUser : res.origUsers) { 1667 if (origUser == newUser) { 1668 isNew = false; 1669 break; 1670 } 1671 } 1672 if (isNew) { 1673 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1674 } else { 1675 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1676 } 1677 } 1678 } 1679 1680 // Send installed broadcasts if the install/update is not ephemeral 1681 if (!isEphemeral(res.pkg)) { 1682 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1683 1684 // Send added for users that see the package for the first time 1685 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1686 extras, 0 /*flags*/, null /*targetPackage*/, 1687 null /*finishedReceiver*/, firstUsers); 1688 1689 // Send added for users that don't see the package for the first time 1690 if (update) { 1691 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1692 } 1693 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1694 extras, 0 /*flags*/, null /*targetPackage*/, 1695 null /*finishedReceiver*/, updateUsers); 1696 1697 // Send replaced for users that don't see the package for the first time 1698 if (update) { 1699 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1700 packageName, extras, 0 /*flags*/, 1701 null /*targetPackage*/, null /*finishedReceiver*/, 1702 updateUsers); 1703 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1704 null /*package*/, null /*extras*/, 0 /*flags*/, 1705 packageName /*targetPackage*/, 1706 null /*finishedReceiver*/, updateUsers); 1707 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1708 // First-install and we did a restore, so we're responsible for the 1709 // first-launch broadcast. 1710 if (DEBUG_BACKUP) { 1711 Slog.i(TAG, "Post-restore of " + packageName 1712 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1713 } 1714 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1715 } 1716 1717 // Send broadcast package appeared if forward locked/external for all users 1718 // treat asec-hosted packages like removable media on upgrade 1719 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1720 if (DEBUG_INSTALL) { 1721 Slog.i(TAG, "upgrading pkg " + res.pkg 1722 + " is ASEC-hosted -> AVAILABLE"); 1723 } 1724 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1725 ArrayList<String> pkgList = new ArrayList<>(1); 1726 pkgList.add(packageName); 1727 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1728 } 1729 } 1730 1731 // Work that needs to happen on first install within each user 1732 if (firstUsers != null && firstUsers.length > 0) { 1733 synchronized (mPackages) { 1734 for (int userId : firstUsers) { 1735 // If this app is a browser and it's newly-installed for some 1736 // users, clear any default-browser state in those users. The 1737 // app's nature doesn't depend on the user, so we can just check 1738 // its browser nature in any user and generalize. 1739 if (packageIsBrowser(packageName, userId)) { 1740 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1741 } 1742 1743 // We may also need to apply pending (restored) runtime 1744 // permission grants within these users. 1745 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1746 } 1747 } 1748 } 1749 1750 // Log current value of "unknown sources" setting 1751 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1752 getUnknownSourcesSettings()); 1753 1754 // Force a gc to clear up things 1755 Runtime.getRuntime().gc(); 1756 1757 // Remove the replaced package's older resources safely now 1758 // We delete after a gc for applications on sdcard. 1759 if (res.removedInfo != null && res.removedInfo.args != null) { 1760 synchronized (mInstallLock) { 1761 res.removedInfo.args.doPostDeleteLI(true); 1762 } 1763 } 1764 } 1765 1766 // If someone is watching installs - notify them 1767 if (installObserver != null) { 1768 try { 1769 Bundle extras = extrasForInstallResult(res); 1770 installObserver.onPackageInstalled(res.name, res.returnCode, 1771 res.returnMsg, extras); 1772 } catch (RemoteException e) { 1773 Slog.i(TAG, "Observer no longer exists."); 1774 } 1775 } 1776 } 1777 1778 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1779 PackageParser.Package pkg) { 1780 if (pkg.parentPackage == null) { 1781 return; 1782 } 1783 if (pkg.requestedPermissions == null) { 1784 return; 1785 } 1786 final PackageSetting disabledSysParentPs = mSettings 1787 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1788 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1789 || !disabledSysParentPs.isPrivileged() 1790 || (disabledSysParentPs.childPackageNames != null 1791 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1792 return; 1793 } 1794 final int[] allUserIds = sUserManager.getUserIds(); 1795 final int permCount = pkg.requestedPermissions.size(); 1796 for (int i = 0; i < permCount; i++) { 1797 String permission = pkg.requestedPermissions.get(i); 1798 BasePermission bp = mSettings.mPermissions.get(permission); 1799 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1800 continue; 1801 } 1802 for (int userId : allUserIds) { 1803 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1804 permission, userId)) { 1805 grantRuntimePermission(pkg.packageName, permission, userId); 1806 } 1807 } 1808 } 1809 } 1810 1811 private StorageEventListener mStorageListener = new StorageEventListener() { 1812 @Override 1813 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1814 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1815 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1816 final String volumeUuid = vol.getFsUuid(); 1817 1818 // Clean up any users or apps that were removed or recreated 1819 // while this volume was missing 1820 reconcileUsers(volumeUuid); 1821 reconcileApps(volumeUuid); 1822 1823 // Clean up any install sessions that expired or were 1824 // cancelled while this volume was missing 1825 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1826 1827 loadPrivatePackages(vol); 1828 1829 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1830 unloadPrivatePackages(vol); 1831 } 1832 } 1833 1834 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1835 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1836 updateExternalMediaStatus(true, false); 1837 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1838 updateExternalMediaStatus(false, false); 1839 } 1840 } 1841 } 1842 1843 @Override 1844 public void onVolumeForgotten(String fsUuid) { 1845 if (TextUtils.isEmpty(fsUuid)) { 1846 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1847 return; 1848 } 1849 1850 // Remove any apps installed on the forgotten volume 1851 synchronized (mPackages) { 1852 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1853 for (PackageSetting ps : packages) { 1854 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1855 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1856 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1857 } 1858 1859 mSettings.onVolumeForgotten(fsUuid); 1860 mSettings.writeLPr(); 1861 } 1862 } 1863 }; 1864 1865 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1866 String[] grantedPermissions) { 1867 for (int userId : userIds) { 1868 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1869 } 1870 1871 // We could have touched GID membership, so flush out packages.list 1872 synchronized (mPackages) { 1873 mSettings.writePackageListLPr(); 1874 } 1875 } 1876 1877 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1878 String[] grantedPermissions) { 1879 SettingBase sb = (SettingBase) pkg.mExtras; 1880 if (sb == null) { 1881 return; 1882 } 1883 1884 PermissionsState permissionsState = sb.getPermissionsState(); 1885 1886 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1887 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1888 1889 for (String permission : pkg.requestedPermissions) { 1890 final BasePermission bp; 1891 synchronized (mPackages) { 1892 bp = mSettings.mPermissions.get(permission); 1893 } 1894 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1895 && (grantedPermissions == null 1896 || ArrayUtils.contains(grantedPermissions, permission))) { 1897 final int flags = permissionsState.getPermissionFlags(permission, userId); 1898 // Installer cannot change immutable permissions. 1899 if ((flags & immutableFlags) == 0) { 1900 grantRuntimePermission(pkg.packageName, permission, userId); 1901 } 1902 } 1903 } 1904 } 1905 1906 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1907 Bundle extras = null; 1908 switch (res.returnCode) { 1909 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1910 extras = new Bundle(); 1911 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1912 res.origPermission); 1913 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1914 res.origPackage); 1915 break; 1916 } 1917 case PackageManager.INSTALL_SUCCEEDED: { 1918 extras = new Bundle(); 1919 extras.putBoolean(Intent.EXTRA_REPLACING, 1920 res.removedInfo != null && res.removedInfo.removedPackage != null); 1921 break; 1922 } 1923 } 1924 return extras; 1925 } 1926 1927 void scheduleWriteSettingsLocked() { 1928 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1929 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1930 } 1931 } 1932 1933 void scheduleWritePackageListLocked(int userId) { 1934 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1935 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1936 msg.arg1 = userId; 1937 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1938 } 1939 } 1940 1941 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1942 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1943 scheduleWritePackageRestrictionsLocked(userId); 1944 } 1945 1946 void scheduleWritePackageRestrictionsLocked(int userId) { 1947 final int[] userIds = (userId == UserHandle.USER_ALL) 1948 ? sUserManager.getUserIds() : new int[]{userId}; 1949 for (int nextUserId : userIds) { 1950 if (!sUserManager.exists(nextUserId)) return; 1951 mDirtyUsers.add(nextUserId); 1952 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1953 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1954 } 1955 } 1956 } 1957 1958 public static PackageManagerService main(Context context, Installer installer, 1959 boolean factoryTest, boolean onlyCore) { 1960 // Self-check for initial settings. 1961 PackageManagerServiceCompilerMapping.checkProperties(); 1962 1963 PackageManagerService m = new PackageManagerService(context, installer, 1964 factoryTest, onlyCore); 1965 m.enableSystemUserPackages(); 1966 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 1967 // disabled after already being started. 1968 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 1969 UserHandle.USER_SYSTEM); 1970 ServiceManager.addService("package", m); 1971 return m; 1972 } 1973 1974 private void enableSystemUserPackages() { 1975 if (!UserManager.isSplitSystemUser()) { 1976 return; 1977 } 1978 // For system user, enable apps based on the following conditions: 1979 // - app is whitelisted or belong to one of these groups: 1980 // -- system app which has no launcher icons 1981 // -- system app which has INTERACT_ACROSS_USERS permission 1982 // -- system IME app 1983 // - app is not in the blacklist 1984 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1985 Set<String> enableApps = new ArraySet<>(); 1986 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1987 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1988 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1989 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1990 enableApps.addAll(wlApps); 1991 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1992 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1993 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1994 enableApps.removeAll(blApps); 1995 Log.i(TAG, "Applications installed for system user: " + enableApps); 1996 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1997 UserHandle.SYSTEM); 1998 final int allAppsSize = allAps.size(); 1999 synchronized (mPackages) { 2000 for (int i = 0; i < allAppsSize; i++) { 2001 String pName = allAps.get(i); 2002 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2003 // Should not happen, but we shouldn't be failing if it does 2004 if (pkgSetting == null) { 2005 continue; 2006 } 2007 boolean install = enableApps.contains(pName); 2008 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2009 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2010 + " for system user"); 2011 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2012 } 2013 } 2014 } 2015 } 2016 2017 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2018 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2019 Context.DISPLAY_SERVICE); 2020 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2021 } 2022 2023 /** 2024 * Requests that files preopted on a secondary system partition be copied to the data partition 2025 * if possible. Note that the actual copying of the files is accomplished by init for security 2026 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2027 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2028 */ 2029 private static void requestCopyPreoptedFiles() { 2030 final int WAIT_TIME_MS = 100; 2031 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2032 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2033 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2034 // We will wait for up to 100 seconds. 2035 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2036 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2037 try { 2038 Thread.sleep(WAIT_TIME_MS); 2039 } catch (InterruptedException e) { 2040 // Do nothing 2041 } 2042 if (SystemClock.uptimeMillis() > timeEnd) { 2043 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2044 Slog.wtf(TAG, "cppreopt did not finish!"); 2045 break; 2046 } 2047 } 2048 } 2049 } 2050 2051 public PackageManagerService(Context context, Installer installer, 2052 boolean factoryTest, boolean onlyCore) { 2053 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2054 SystemClock.uptimeMillis()); 2055 2056 if (mSdkVersion <= 0) { 2057 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2058 } 2059 2060 mContext = context; 2061 mFactoryTest = factoryTest; 2062 mOnlyCore = onlyCore; 2063 mMetrics = new DisplayMetrics(); 2064 mSettings = new Settings(mPackages); 2065 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2066 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2067 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2068 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2069 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2070 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2071 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2072 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2073 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2074 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2075 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2076 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2077 2078 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2079 if (separateProcesses != null && separateProcesses.length() > 0) { 2080 if ("*".equals(separateProcesses)) { 2081 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2082 mSeparateProcesses = null; 2083 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2084 } else { 2085 mDefParseFlags = 0; 2086 mSeparateProcesses = separateProcesses.split(","); 2087 Slog.w(TAG, "Running with debug.separate_processes: " 2088 + separateProcesses); 2089 } 2090 } else { 2091 mDefParseFlags = 0; 2092 mSeparateProcesses = null; 2093 } 2094 2095 mInstaller = installer; 2096 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2097 "*dexopt*"); 2098 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2099 2100 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2101 FgThread.get().getLooper()); 2102 2103 getDefaultDisplayMetrics(context, mMetrics); 2104 2105 SystemConfig systemConfig = SystemConfig.getInstance(); 2106 mGlobalGids = systemConfig.getGlobalGids(); 2107 mSystemPermissions = systemConfig.getSystemPermissions(); 2108 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2109 2110 mProtectedPackages = new ProtectedPackages(mContext); 2111 2112 synchronized (mInstallLock) { 2113 // writer 2114 synchronized (mPackages) { 2115 mHandlerThread = new ServiceThread(TAG, 2116 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2117 mHandlerThread.start(); 2118 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2119 mProcessLoggingHandler = new ProcessLoggingHandler(); 2120 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2121 2122 File dataDir = Environment.getDataDirectory(); 2123 mAppInstallDir = new File(dataDir, "app"); 2124 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2125 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2126 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2127 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2128 2129 sUserManager = new UserManagerService(context, this, mPackages); 2130 2131 // Propagate permission configuration in to package manager. 2132 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2133 = systemConfig.getPermissions(); 2134 for (int i=0; i<permConfig.size(); i++) { 2135 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2136 BasePermission bp = mSettings.mPermissions.get(perm.name); 2137 if (bp == null) { 2138 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2139 mSettings.mPermissions.put(perm.name, bp); 2140 } 2141 if (perm.gids != null) { 2142 bp.setGids(perm.gids, perm.perUser); 2143 } 2144 } 2145 2146 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2147 for (int i=0; i<libConfig.size(); i++) { 2148 mSharedLibraries.put(libConfig.keyAt(i), 2149 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2150 } 2151 2152 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2153 2154 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2155 2156 if (mFirstBoot) { 2157 requestCopyPreoptedFiles(); 2158 } 2159 2160 String customResolverActivity = Resources.getSystem().getString( 2161 R.string.config_customResolverActivity); 2162 if (TextUtils.isEmpty(customResolverActivity)) { 2163 customResolverActivity = null; 2164 } else { 2165 mCustomResolverComponentName = ComponentName.unflattenFromString( 2166 customResolverActivity); 2167 } 2168 2169 long startTime = SystemClock.uptimeMillis(); 2170 2171 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2172 startTime); 2173 2174 // Set flag to monitor and not change apk file paths when 2175 // scanning install directories. 2176 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2177 2178 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2179 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2180 2181 if (bootClassPath == null) { 2182 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2183 } 2184 2185 if (systemServerClassPath == null) { 2186 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2187 } 2188 2189 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2190 final String[] dexCodeInstructionSets = 2191 getDexCodeInstructionSets( 2192 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2193 2194 /** 2195 * Ensure all external libraries have had dexopt run on them. 2196 */ 2197 if (mSharedLibraries.size() > 0) { 2198 // NOTE: For now, we're compiling these system "shared libraries" 2199 // (and framework jars) into all available architectures. It's possible 2200 // to compile them only when we come across an app that uses them (there's 2201 // already logic for that in scanPackageLI) but that adds some complexity. 2202 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2203 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2204 final String lib = libEntry.path; 2205 if (lib == null) { 2206 continue; 2207 } 2208 2209 try { 2210 // Shared libraries do not have profiles so we perform a full 2211 // AOT compilation (if needed). 2212 int dexoptNeeded = DexFile.getDexOptNeeded( 2213 lib, dexCodeInstructionSet, 2214 getCompilerFilterForReason(REASON_SHARED_APK), 2215 false /* newProfile */); 2216 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2217 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2218 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2219 getCompilerFilterForReason(REASON_SHARED_APK), 2220 StorageManager.UUID_PRIVATE_INTERNAL, 2221 SKIP_SHARED_LIBRARY_CHECK); 2222 } 2223 } catch (FileNotFoundException e) { 2224 Slog.w(TAG, "Library not found: " + lib); 2225 } catch (IOException | InstallerException e) { 2226 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2227 + e.getMessage()); 2228 } 2229 } 2230 } 2231 } 2232 2233 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2234 2235 final VersionInfo ver = mSettings.getInternalVersion(); 2236 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2237 2238 // when upgrading from pre-M, promote system app permissions from install to runtime 2239 mPromoteSystemApps = 2240 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2241 2242 // When upgrading from pre-N, we need to handle package extraction like first boot, 2243 // as there is no profiling data available. 2244 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2245 2246 // save off the names of pre-existing system packages prior to scanning; we don't 2247 // want to automatically grant runtime permissions for new system apps 2248 if (mPromoteSystemApps) { 2249 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2250 while (pkgSettingIter.hasNext()) { 2251 PackageSetting ps = pkgSettingIter.next(); 2252 if (isSystemApp(ps)) { 2253 mExistingSystemPackages.add(ps.name); 2254 } 2255 } 2256 } 2257 2258 // Collect vendor overlay packages. 2259 // (Do this before scanning any apps.) 2260 // For security and version matching reason, only consider 2261 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2262 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2263 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2264 | PackageParser.PARSE_IS_SYSTEM 2265 | PackageParser.PARSE_IS_SYSTEM_DIR 2266 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2267 2268 // Find base frameworks (resource packages without code). 2269 scanDirTracedLI(frameworkDir, mDefParseFlags 2270 | PackageParser.PARSE_IS_SYSTEM 2271 | PackageParser.PARSE_IS_SYSTEM_DIR 2272 | PackageParser.PARSE_IS_PRIVILEGED, 2273 scanFlags | SCAN_NO_DEX, 0); 2274 2275 // Collected privileged system packages. 2276 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2277 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2278 | PackageParser.PARSE_IS_SYSTEM 2279 | PackageParser.PARSE_IS_SYSTEM_DIR 2280 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2281 2282 // Collect ordinary system packages. 2283 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2284 scanDirTracedLI(systemAppDir, mDefParseFlags 2285 | PackageParser.PARSE_IS_SYSTEM 2286 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2287 2288 // Collect all vendor packages. 2289 File vendorAppDir = new File("/vendor/app"); 2290 try { 2291 vendorAppDir = vendorAppDir.getCanonicalFile(); 2292 } catch (IOException e) { 2293 // failed to look up canonical path, continue with original one 2294 } 2295 scanDirTracedLI(vendorAppDir, mDefParseFlags 2296 | PackageParser.PARSE_IS_SYSTEM 2297 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2298 2299 // Collect all OEM packages. 2300 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2301 scanDirTracedLI(oemAppDir, mDefParseFlags 2302 | PackageParser.PARSE_IS_SYSTEM 2303 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2304 2305 // Prune any system packages that no longer exist. 2306 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2307 if (!mOnlyCore) { 2308 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2309 while (psit.hasNext()) { 2310 PackageSetting ps = psit.next(); 2311 2312 /* 2313 * If this is not a system app, it can't be a 2314 * disable system app. 2315 */ 2316 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2317 continue; 2318 } 2319 2320 /* 2321 * If the package is scanned, it's not erased. 2322 */ 2323 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2324 if (scannedPkg != null) { 2325 /* 2326 * If the system app is both scanned and in the 2327 * disabled packages list, then it must have been 2328 * added via OTA. Remove it from the currently 2329 * scanned package so the previously user-installed 2330 * application can be scanned. 2331 */ 2332 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2333 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2334 + ps.name + "; removing system app. Last known codePath=" 2335 + ps.codePathString + ", installStatus=" + ps.installStatus 2336 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2337 + scannedPkg.mVersionCode); 2338 removePackageLI(scannedPkg, true); 2339 mExpectingBetter.put(ps.name, ps.codePath); 2340 } 2341 2342 continue; 2343 } 2344 2345 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2346 psit.remove(); 2347 logCriticalInfo(Log.WARN, "System package " + ps.name 2348 + " no longer exists; it's data will be wiped"); 2349 // Actual deletion of code and data will be handled by later 2350 // reconciliation step 2351 } else { 2352 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2353 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2354 possiblyDeletedUpdatedSystemApps.add(ps.name); 2355 } 2356 } 2357 } 2358 } 2359 2360 //look for any incomplete package installations 2361 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2362 for (int i = 0; i < deletePkgsList.size(); i++) { 2363 // Actual deletion of code and data will be handled by later 2364 // reconciliation step 2365 final String packageName = deletePkgsList.get(i).name; 2366 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2367 synchronized (mPackages) { 2368 mSettings.removePackageLPw(packageName); 2369 } 2370 } 2371 2372 //delete tmp files 2373 deleteTempPackageFiles(); 2374 2375 // Remove any shared userIDs that have no associated packages 2376 mSettings.pruneSharedUsersLPw(); 2377 2378 if (!mOnlyCore) { 2379 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2380 SystemClock.uptimeMillis()); 2381 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2382 2383 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2384 | PackageParser.PARSE_FORWARD_LOCK, 2385 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2386 2387 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2388 | PackageParser.PARSE_IS_EPHEMERAL, 2389 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2390 2391 /** 2392 * Remove disable package settings for any updated system 2393 * apps that were removed via an OTA. If they're not a 2394 * previously-updated app, remove them completely. 2395 * Otherwise, just revoke their system-level permissions. 2396 */ 2397 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2398 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2399 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2400 2401 String msg; 2402 if (deletedPkg == null) { 2403 msg = "Updated system package " + deletedAppName 2404 + " no longer exists; it's data will be wiped"; 2405 // Actual deletion of code and data will be handled by later 2406 // reconciliation step 2407 } else { 2408 msg = "Updated system app + " + deletedAppName 2409 + " no longer present; removing system privileges for " 2410 + deletedAppName; 2411 2412 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2413 2414 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2415 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2416 } 2417 logCriticalInfo(Log.WARN, msg); 2418 } 2419 2420 /** 2421 * Make sure all system apps that we expected to appear on 2422 * the userdata partition actually showed up. If they never 2423 * appeared, crawl back and revive the system version. 2424 */ 2425 for (int i = 0; i < mExpectingBetter.size(); i++) { 2426 final String packageName = mExpectingBetter.keyAt(i); 2427 if (!mPackages.containsKey(packageName)) { 2428 final File scanFile = mExpectingBetter.valueAt(i); 2429 2430 logCriticalInfo(Log.WARN, "Expected better " + packageName 2431 + " but never showed up; reverting to system"); 2432 2433 int reparseFlags = mDefParseFlags; 2434 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2435 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2436 | PackageParser.PARSE_IS_SYSTEM_DIR 2437 | PackageParser.PARSE_IS_PRIVILEGED; 2438 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2439 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2440 | PackageParser.PARSE_IS_SYSTEM_DIR; 2441 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2442 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2443 | PackageParser.PARSE_IS_SYSTEM_DIR; 2444 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2445 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2446 | PackageParser.PARSE_IS_SYSTEM_DIR; 2447 } else { 2448 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2449 continue; 2450 } 2451 2452 mSettings.enableSystemPackageLPw(packageName); 2453 2454 try { 2455 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2456 } catch (PackageManagerException e) { 2457 Slog.e(TAG, "Failed to parse original system package: " 2458 + e.getMessage()); 2459 } 2460 } 2461 } 2462 } 2463 mExpectingBetter.clear(); 2464 2465 // Resolve protected action filters. Only the setup wizard is allowed to 2466 // have a high priority filter for these actions. 2467 mSetupWizardPackage = getSetupWizardPackageName(); 2468 if (mProtectedFilters.size() > 0) { 2469 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2470 Slog.i(TAG, "No setup wizard;" 2471 + " All protected intents capped to priority 0"); 2472 } 2473 for (ActivityIntentInfo filter : mProtectedFilters) { 2474 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2475 if (DEBUG_FILTERS) { 2476 Slog.i(TAG, "Found setup wizard;" 2477 + " allow priority " + filter.getPriority() + ";" 2478 + " package: " + filter.activity.info.packageName 2479 + " activity: " + filter.activity.className 2480 + " priority: " + filter.getPriority()); 2481 } 2482 // skip setup wizard; allow it to keep the high priority filter 2483 continue; 2484 } 2485 Slog.w(TAG, "Protected action; cap priority to 0;" 2486 + " package: " + filter.activity.info.packageName 2487 + " activity: " + filter.activity.className 2488 + " origPrio: " + filter.getPriority()); 2489 filter.setPriority(0); 2490 } 2491 } 2492 mDeferProtectedFilters = false; 2493 mProtectedFilters.clear(); 2494 2495 // Now that we know all of the shared libraries, update all clients to have 2496 // the correct library paths. 2497 updateAllSharedLibrariesLPw(); 2498 2499 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2500 // NOTE: We ignore potential failures here during a system scan (like 2501 // the rest of the commands above) because there's precious little we 2502 // can do about it. A settings error is reported, though. 2503 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2504 false /* boot complete */); 2505 } 2506 2507 // Now that we know all the packages we are keeping, 2508 // read and update their last usage times. 2509 mPackageUsage.read(mPackages); 2510 mCompilerStats.read(); 2511 2512 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2513 SystemClock.uptimeMillis()); 2514 Slog.i(TAG, "Time to scan packages: " 2515 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2516 + " seconds"); 2517 2518 // If the platform SDK has changed since the last time we booted, 2519 // we need to re-grant app permission to catch any new ones that 2520 // appear. This is really a hack, and means that apps can in some 2521 // cases get permissions that the user didn't initially explicitly 2522 // allow... it would be nice to have some better way to handle 2523 // this situation. 2524 int updateFlags = UPDATE_PERMISSIONS_ALL; 2525 if (ver.sdkVersion != mSdkVersion) { 2526 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2527 + mSdkVersion + "; regranting permissions for internal storage"); 2528 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2529 } 2530 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2531 ver.sdkVersion = mSdkVersion; 2532 2533 // If this is the first boot or an update from pre-M, and it is a normal 2534 // boot, then we need to initialize the default preferred apps across 2535 // all defined users. 2536 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2537 for (UserInfo user : sUserManager.getUsers(true)) { 2538 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2539 applyFactoryDefaultBrowserLPw(user.id); 2540 primeDomainVerificationsLPw(user.id); 2541 } 2542 } 2543 2544 // Prepare storage for system user really early during boot, 2545 // since core system apps like SettingsProvider and SystemUI 2546 // can't wait for user to start 2547 final int storageFlags; 2548 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2549 storageFlags = StorageManager.FLAG_STORAGE_DE; 2550 } else { 2551 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2552 } 2553 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2554 storageFlags); 2555 2556 // If this is first boot after an OTA, and a normal boot, then 2557 // we need to clear code cache directories. 2558 // Note that we do *not* clear the application profiles. These remain valid 2559 // across OTAs and are used to drive profile verification (post OTA) and 2560 // profile compilation (without waiting to collect a fresh set of profiles). 2561 if (mIsUpgrade && !onlyCore) { 2562 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2563 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2564 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2565 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2566 // No apps are running this early, so no need to freeze 2567 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2568 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2569 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2570 } 2571 } 2572 ver.fingerprint = Build.FINGERPRINT; 2573 } 2574 2575 checkDefaultBrowser(); 2576 2577 // clear only after permissions and other defaults have been updated 2578 mExistingSystemPackages.clear(); 2579 mPromoteSystemApps = false; 2580 2581 // All the changes are done during package scanning. 2582 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2583 2584 // can downgrade to reader 2585 mSettings.writeLPr(); 2586 2587 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2588 // early on (before the package manager declares itself as early) because other 2589 // components in the system server might ask for package contexts for these apps. 2590 // 2591 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2592 // (i.e, that the data partition is unavailable). 2593 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2594 long start = System.nanoTime(); 2595 List<PackageParser.Package> coreApps = new ArrayList<>(); 2596 for (PackageParser.Package pkg : mPackages.values()) { 2597 if (pkg.coreApp) { 2598 coreApps.add(pkg); 2599 } 2600 } 2601 2602 int[] stats = performDexOptUpgrade(coreApps, false, 2603 getCompilerFilterForReason(REASON_CORE_APP)); 2604 2605 final int elapsedTimeSeconds = 2606 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2607 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2608 2609 if (DEBUG_DEXOPT) { 2610 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2611 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2612 } 2613 2614 2615 // TODO: Should we log these stats to tron too ? 2616 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2617 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2618 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2619 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2620 } 2621 2622 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2623 SystemClock.uptimeMillis()); 2624 2625 if (!mOnlyCore) { 2626 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2627 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2628 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2629 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2630 mIntentFilterVerifierComponent); 2631 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2632 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2633 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2634 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2635 } else { 2636 mRequiredVerifierPackage = null; 2637 mRequiredInstallerPackage = null; 2638 mIntentFilterVerifierComponent = null; 2639 mIntentFilterVerifier = null; 2640 mServicesSystemSharedLibraryPackageName = null; 2641 mSharedSystemSharedLibraryPackageName = null; 2642 } 2643 2644 mInstallerService = new PackageInstallerService(context, this); 2645 2646 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2647 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2648 // both the installer and resolver must be present to enable ephemeral 2649 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2650 if (DEBUG_EPHEMERAL) { 2651 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2652 + " installer:" + ephemeralInstallerComponent); 2653 } 2654 mEphemeralResolverComponent = ephemeralResolverComponent; 2655 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2656 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2657 mEphemeralResolverConnection = 2658 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2659 } else { 2660 if (DEBUG_EPHEMERAL) { 2661 final String missingComponent = 2662 (ephemeralResolverComponent == null) 2663 ? (ephemeralInstallerComponent == null) 2664 ? "resolver and installer" 2665 : "resolver" 2666 : "installer"; 2667 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2668 } 2669 mEphemeralResolverComponent = null; 2670 mEphemeralInstallerComponent = null; 2671 mEphemeralResolverConnection = null; 2672 } 2673 2674 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2675 } // synchronized (mPackages) 2676 } // synchronized (mInstallLock) 2677 2678 // Now after opening every single application zip, make sure they 2679 // are all flushed. Not really needed, but keeps things nice and 2680 // tidy. 2681 Runtime.getRuntime().gc(); 2682 2683 // The initial scanning above does many calls into installd while 2684 // holding the mPackages lock, but we're mostly interested in yelling 2685 // once we have a booted system. 2686 mInstaller.setWarnIfHeld(mPackages); 2687 2688 // Expose private service for system components to use. 2689 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2690 } 2691 2692 @Override 2693 public boolean isFirstBoot() { 2694 return mFirstBoot; 2695 } 2696 2697 @Override 2698 public boolean isOnlyCoreApps() { 2699 return mOnlyCore; 2700 } 2701 2702 @Override 2703 public boolean isUpgrade() { 2704 return mIsUpgrade; 2705 } 2706 2707 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2708 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2709 2710 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2711 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2712 UserHandle.USER_SYSTEM); 2713 if (matches.size() == 1) { 2714 return matches.get(0).getComponentInfo().packageName; 2715 } else { 2716 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2717 return null; 2718 } 2719 } 2720 2721 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2722 synchronized (mPackages) { 2723 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2724 if (libraryEntry == null) { 2725 throw new IllegalStateException("Missing required shared library:" + libraryName); 2726 } 2727 return libraryEntry.apk; 2728 } 2729 } 2730 2731 private @NonNull String getRequiredInstallerLPr() { 2732 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2733 intent.addCategory(Intent.CATEGORY_DEFAULT); 2734 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2735 2736 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2737 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2738 UserHandle.USER_SYSTEM); 2739 if (matches.size() == 1) { 2740 ResolveInfo resolveInfo = matches.get(0); 2741 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2742 throw new RuntimeException("The installer must be a privileged app"); 2743 } 2744 return matches.get(0).getComponentInfo().packageName; 2745 } else { 2746 throw new RuntimeException("There must be exactly one installer; found " + matches); 2747 } 2748 } 2749 2750 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2751 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2752 2753 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2754 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2755 UserHandle.USER_SYSTEM); 2756 ResolveInfo best = null; 2757 final int N = matches.size(); 2758 for (int i = 0; i < N; i++) { 2759 final ResolveInfo cur = matches.get(i); 2760 final String packageName = cur.getComponentInfo().packageName; 2761 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2762 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2763 continue; 2764 } 2765 2766 if (best == null || cur.priority > best.priority) { 2767 best = cur; 2768 } 2769 } 2770 2771 if (best != null) { 2772 return best.getComponentInfo().getComponentName(); 2773 } else { 2774 throw new RuntimeException("There must be at least one intent filter verifier"); 2775 } 2776 } 2777 2778 private @Nullable ComponentName getEphemeralResolverLPr() { 2779 final String[] packageArray = 2780 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2781 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2782 if (DEBUG_EPHEMERAL) { 2783 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2784 } 2785 return null; 2786 } 2787 2788 final int resolveFlags = 2789 MATCH_DIRECT_BOOT_AWARE 2790 | MATCH_DIRECT_BOOT_UNAWARE 2791 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2792 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2793 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2794 resolveFlags, UserHandle.USER_SYSTEM); 2795 2796 final int N = resolvers.size(); 2797 if (N == 0) { 2798 if (DEBUG_EPHEMERAL) { 2799 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2800 } 2801 return null; 2802 } 2803 2804 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2805 for (int i = 0; i < N; i++) { 2806 final ResolveInfo info = resolvers.get(i); 2807 2808 if (info.serviceInfo == null) { 2809 continue; 2810 } 2811 2812 final String packageName = info.serviceInfo.packageName; 2813 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2814 if (DEBUG_EPHEMERAL) { 2815 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2816 + " pkg: " + packageName + ", info:" + info); 2817 } 2818 continue; 2819 } 2820 2821 if (DEBUG_EPHEMERAL) { 2822 Slog.v(TAG, "Ephemeral resolver found;" 2823 + " pkg: " + packageName + ", info:" + info); 2824 } 2825 return new ComponentName(packageName, info.serviceInfo.name); 2826 } 2827 if (DEBUG_EPHEMERAL) { 2828 Slog.v(TAG, "Ephemeral resolver NOT found"); 2829 } 2830 return null; 2831 } 2832 2833 private @Nullable ComponentName getEphemeralInstallerLPr() { 2834 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2835 intent.addCategory(Intent.CATEGORY_DEFAULT); 2836 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2837 2838 final int resolveFlags = 2839 MATCH_DIRECT_BOOT_AWARE 2840 | MATCH_DIRECT_BOOT_UNAWARE 2841 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2842 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2843 resolveFlags, UserHandle.USER_SYSTEM); 2844 if (matches.size() == 0) { 2845 return null; 2846 } else if (matches.size() == 1) { 2847 return matches.get(0).getComponentInfo().getComponentName(); 2848 } else { 2849 throw new RuntimeException( 2850 "There must be at most one ephemeral installer; found " + matches); 2851 } 2852 } 2853 2854 private void primeDomainVerificationsLPw(int userId) { 2855 if (DEBUG_DOMAIN_VERIFICATION) { 2856 Slog.d(TAG, "Priming domain verifications in user " + userId); 2857 } 2858 2859 SystemConfig systemConfig = SystemConfig.getInstance(); 2860 ArraySet<String> packages = systemConfig.getLinkedApps(); 2861 ArraySet<String> domains = new ArraySet<String>(); 2862 2863 for (String packageName : packages) { 2864 PackageParser.Package pkg = mPackages.get(packageName); 2865 if (pkg != null) { 2866 if (!pkg.isSystemApp()) { 2867 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2868 continue; 2869 } 2870 2871 domains.clear(); 2872 for (PackageParser.Activity a : pkg.activities) { 2873 for (ActivityIntentInfo filter : a.intents) { 2874 if (hasValidDomains(filter)) { 2875 domains.addAll(filter.getHostsList()); 2876 } 2877 } 2878 } 2879 2880 if (domains.size() > 0) { 2881 if (DEBUG_DOMAIN_VERIFICATION) { 2882 Slog.v(TAG, " + " + packageName); 2883 } 2884 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2885 // state w.r.t. the formal app-linkage "no verification attempted" state; 2886 // and then 'always' in the per-user state actually used for intent resolution. 2887 final IntentFilterVerificationInfo ivi; 2888 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2889 new ArrayList<String>(domains)); 2890 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2891 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2892 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2893 } else { 2894 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2895 + "' does not handle web links"); 2896 } 2897 } else { 2898 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2899 } 2900 } 2901 2902 scheduleWritePackageRestrictionsLocked(userId); 2903 scheduleWriteSettingsLocked(); 2904 } 2905 2906 private void applyFactoryDefaultBrowserLPw(int userId) { 2907 // The default browser app's package name is stored in a string resource, 2908 // with a product-specific overlay used for vendor customization. 2909 String browserPkg = mContext.getResources().getString( 2910 com.android.internal.R.string.default_browser); 2911 if (!TextUtils.isEmpty(browserPkg)) { 2912 // non-empty string => required to be a known package 2913 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2914 if (ps == null) { 2915 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2916 browserPkg = null; 2917 } else { 2918 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2919 } 2920 } 2921 2922 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2923 // default. If there's more than one, just leave everything alone. 2924 if (browserPkg == null) { 2925 calculateDefaultBrowserLPw(userId); 2926 } 2927 } 2928 2929 private void calculateDefaultBrowserLPw(int userId) { 2930 List<String> allBrowsers = resolveAllBrowserApps(userId); 2931 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2932 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2933 } 2934 2935 private List<String> resolveAllBrowserApps(int userId) { 2936 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2937 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2938 PackageManager.MATCH_ALL, userId); 2939 2940 final int count = list.size(); 2941 List<String> result = new ArrayList<String>(count); 2942 for (int i=0; i<count; i++) { 2943 ResolveInfo info = list.get(i); 2944 if (info.activityInfo == null 2945 || !info.handleAllWebDataURI 2946 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2947 || result.contains(info.activityInfo.packageName)) { 2948 continue; 2949 } 2950 result.add(info.activityInfo.packageName); 2951 } 2952 2953 return result; 2954 } 2955 2956 private boolean packageIsBrowser(String packageName, int userId) { 2957 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2958 PackageManager.MATCH_ALL, userId); 2959 final int N = list.size(); 2960 for (int i = 0; i < N; i++) { 2961 ResolveInfo info = list.get(i); 2962 if (packageName.equals(info.activityInfo.packageName)) { 2963 return true; 2964 } 2965 } 2966 return false; 2967 } 2968 2969 private void checkDefaultBrowser() { 2970 final int myUserId = UserHandle.myUserId(); 2971 final String packageName = getDefaultBrowserPackageName(myUserId); 2972 if (packageName != null) { 2973 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2974 if (info == null) { 2975 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2976 synchronized (mPackages) { 2977 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2978 } 2979 } 2980 } 2981 } 2982 2983 @Override 2984 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2985 throws RemoteException { 2986 try { 2987 return super.onTransact(code, data, reply, flags); 2988 } catch (RuntimeException e) { 2989 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2990 Slog.wtf(TAG, "Package Manager Crash", e); 2991 } 2992 throw e; 2993 } 2994 } 2995 2996 static int[] appendInts(int[] cur, int[] add) { 2997 if (add == null) return cur; 2998 if (cur == null) return add; 2999 final int N = add.length; 3000 for (int i=0; i<N; i++) { 3001 cur = appendInt(cur, add[i]); 3002 } 3003 return cur; 3004 } 3005 3006 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3007 if (!sUserManager.exists(userId)) return null; 3008 if (ps == null) { 3009 return null; 3010 } 3011 final PackageParser.Package p = ps.pkg; 3012 if (p == null) { 3013 return null; 3014 } 3015 3016 final PermissionsState permissionsState = ps.getPermissionsState(); 3017 3018 // Compute GIDs only if requested 3019 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3020 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3021 // Compute granted permissions only if package has requested permissions 3022 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3023 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3024 final PackageUserState state = ps.readUserState(userId); 3025 3026 return PackageParser.generatePackageInfo(p, gids, flags, 3027 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3028 } 3029 3030 @Override 3031 public void checkPackageStartable(String packageName, int userId) { 3032 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3033 3034 synchronized (mPackages) { 3035 final PackageSetting ps = mSettings.mPackages.get(packageName); 3036 if (ps == null) { 3037 throw new SecurityException("Package " + packageName + " was not found!"); 3038 } 3039 3040 if (!ps.getInstalled(userId)) { 3041 throw new SecurityException( 3042 "Package " + packageName + " was not installed for user " + userId + "!"); 3043 } 3044 3045 if (mSafeMode && !ps.isSystem()) { 3046 throw new SecurityException("Package " + packageName + " not a system app!"); 3047 } 3048 3049 if (mFrozenPackages.contains(packageName)) { 3050 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3051 } 3052 3053 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3054 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3055 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3056 } 3057 } 3058 } 3059 3060 @Override 3061 public boolean isPackageAvailable(String packageName, int userId) { 3062 if (!sUserManager.exists(userId)) return false; 3063 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3064 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3065 synchronized (mPackages) { 3066 PackageParser.Package p = mPackages.get(packageName); 3067 if (p != null) { 3068 final PackageSetting ps = (PackageSetting) p.mExtras; 3069 if (ps != null) { 3070 final PackageUserState state = ps.readUserState(userId); 3071 if (state != null) { 3072 return PackageParser.isAvailable(state); 3073 } 3074 } 3075 } 3076 } 3077 return false; 3078 } 3079 3080 @Override 3081 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3082 if (!sUserManager.exists(userId)) return null; 3083 flags = updateFlagsForPackage(flags, userId, packageName); 3084 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3085 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3086 // reader 3087 synchronized (mPackages) { 3088 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3089 PackageParser.Package p = null; 3090 if (matchFactoryOnly) { 3091 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3092 if (ps != null) { 3093 return generatePackageInfo(ps, flags, userId); 3094 } 3095 } 3096 if (p == null) { 3097 p = mPackages.get(packageName); 3098 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3099 return null; 3100 } 3101 } 3102 if (DEBUG_PACKAGE_INFO) 3103 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3104 if (p != null) { 3105 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3106 } 3107 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3108 final PackageSetting ps = mSettings.mPackages.get(packageName); 3109 return generatePackageInfo(ps, flags, userId); 3110 } 3111 } 3112 return null; 3113 } 3114 3115 @Override 3116 public String[] currentToCanonicalPackageNames(String[] names) { 3117 String[] out = new String[names.length]; 3118 // reader 3119 synchronized (mPackages) { 3120 for (int i=names.length-1; i>=0; i--) { 3121 PackageSetting ps = mSettings.mPackages.get(names[i]); 3122 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3123 } 3124 } 3125 return out; 3126 } 3127 3128 @Override 3129 public String[] canonicalToCurrentPackageNames(String[] names) { 3130 String[] out = new String[names.length]; 3131 // reader 3132 synchronized (mPackages) { 3133 for (int i=names.length-1; i>=0; i--) { 3134 String cur = mSettings.mRenamedPackages.get(names[i]); 3135 out[i] = cur != null ? cur : names[i]; 3136 } 3137 } 3138 return out; 3139 } 3140 3141 @Override 3142 public int getPackageUid(String packageName, int flags, int userId) { 3143 if (!sUserManager.exists(userId)) return -1; 3144 flags = updateFlagsForPackage(flags, userId, packageName); 3145 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3146 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3147 3148 // reader 3149 synchronized (mPackages) { 3150 final PackageParser.Package p = mPackages.get(packageName); 3151 if (p != null && p.isMatch(flags)) { 3152 return UserHandle.getUid(userId, p.applicationInfo.uid); 3153 } 3154 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3155 final PackageSetting ps = mSettings.mPackages.get(packageName); 3156 if (ps != null && ps.isMatch(flags)) { 3157 return UserHandle.getUid(userId, ps.appId); 3158 } 3159 } 3160 } 3161 3162 return -1; 3163 } 3164 3165 @Override 3166 public int[] getPackageGids(String packageName, int flags, int userId) { 3167 if (!sUserManager.exists(userId)) return null; 3168 flags = updateFlagsForPackage(flags, userId, packageName); 3169 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3170 false /* requireFullPermission */, false /* checkShell */, 3171 "getPackageGids"); 3172 3173 // reader 3174 synchronized (mPackages) { 3175 final PackageParser.Package p = mPackages.get(packageName); 3176 if (p != null && p.isMatch(flags)) { 3177 PackageSetting ps = (PackageSetting) p.mExtras; 3178 return ps.getPermissionsState().computeGids(userId); 3179 } 3180 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3181 final PackageSetting ps = mSettings.mPackages.get(packageName); 3182 if (ps != null && ps.isMatch(flags)) { 3183 return ps.getPermissionsState().computeGids(userId); 3184 } 3185 } 3186 } 3187 3188 return null; 3189 } 3190 3191 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3192 if (bp.perm != null) { 3193 return PackageParser.generatePermissionInfo(bp.perm, flags); 3194 } 3195 PermissionInfo pi = new PermissionInfo(); 3196 pi.name = bp.name; 3197 pi.packageName = bp.sourcePackage; 3198 pi.nonLocalizedLabel = bp.name; 3199 pi.protectionLevel = bp.protectionLevel; 3200 return pi; 3201 } 3202 3203 @Override 3204 public PermissionInfo getPermissionInfo(String name, int flags) { 3205 // reader 3206 synchronized (mPackages) { 3207 final BasePermission p = mSettings.mPermissions.get(name); 3208 if (p != null) { 3209 return generatePermissionInfo(p, flags); 3210 } 3211 return null; 3212 } 3213 } 3214 3215 @Override 3216 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3217 int flags) { 3218 // reader 3219 synchronized (mPackages) { 3220 if (group != null && !mPermissionGroups.containsKey(group)) { 3221 // This is thrown as NameNotFoundException 3222 return null; 3223 } 3224 3225 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3226 for (BasePermission p : mSettings.mPermissions.values()) { 3227 if (group == null) { 3228 if (p.perm == null || p.perm.info.group == null) { 3229 out.add(generatePermissionInfo(p, flags)); 3230 } 3231 } else { 3232 if (p.perm != null && group.equals(p.perm.info.group)) { 3233 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3234 } 3235 } 3236 } 3237 return new ParceledListSlice<>(out); 3238 } 3239 } 3240 3241 @Override 3242 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3243 // reader 3244 synchronized (mPackages) { 3245 return PackageParser.generatePermissionGroupInfo( 3246 mPermissionGroups.get(name), flags); 3247 } 3248 } 3249 3250 @Override 3251 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3252 // reader 3253 synchronized (mPackages) { 3254 final int N = mPermissionGroups.size(); 3255 ArrayList<PermissionGroupInfo> out 3256 = new ArrayList<PermissionGroupInfo>(N); 3257 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3258 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3259 } 3260 return new ParceledListSlice<>(out); 3261 } 3262 } 3263 3264 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3265 int userId) { 3266 if (!sUserManager.exists(userId)) return null; 3267 PackageSetting ps = mSettings.mPackages.get(packageName); 3268 if (ps != null) { 3269 if (ps.pkg == null) { 3270 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3271 if (pInfo != null) { 3272 return pInfo.applicationInfo; 3273 } 3274 return null; 3275 } 3276 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3277 ps.readUserState(userId), userId); 3278 } 3279 return null; 3280 } 3281 3282 @Override 3283 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3284 if (!sUserManager.exists(userId)) return null; 3285 flags = updateFlagsForApplication(flags, userId, packageName); 3286 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3287 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3288 // writer 3289 synchronized (mPackages) { 3290 PackageParser.Package p = mPackages.get(packageName); 3291 if (DEBUG_PACKAGE_INFO) Log.v( 3292 TAG, "getApplicationInfo " + packageName 3293 + ": " + p); 3294 if (p != null) { 3295 PackageSetting ps = mSettings.mPackages.get(packageName); 3296 if (ps == null) return null; 3297 // Note: isEnabledLP() does not apply here - always return info 3298 return PackageParser.generateApplicationInfo( 3299 p, flags, ps.readUserState(userId), userId); 3300 } 3301 if ("android".equals(packageName)||"system".equals(packageName)) { 3302 return mAndroidApplication; 3303 } 3304 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3305 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3306 } 3307 } 3308 return null; 3309 } 3310 3311 @Override 3312 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3313 final IPackageDataObserver observer) { 3314 mContext.enforceCallingOrSelfPermission( 3315 android.Manifest.permission.CLEAR_APP_CACHE, null); 3316 // Queue up an async operation since clearing cache may take a little while. 3317 mHandler.post(new Runnable() { 3318 public void run() { 3319 mHandler.removeCallbacks(this); 3320 boolean success = true; 3321 synchronized (mInstallLock) { 3322 try { 3323 mInstaller.freeCache(volumeUuid, freeStorageSize); 3324 } catch (InstallerException e) { 3325 Slog.w(TAG, "Couldn't clear application caches: " + e); 3326 success = false; 3327 } 3328 } 3329 if (observer != null) { 3330 try { 3331 observer.onRemoveCompleted(null, success); 3332 } catch (RemoteException e) { 3333 Slog.w(TAG, "RemoveException when invoking call back"); 3334 } 3335 } 3336 } 3337 }); 3338 } 3339 3340 @Override 3341 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3342 final IntentSender pi) { 3343 mContext.enforceCallingOrSelfPermission( 3344 android.Manifest.permission.CLEAR_APP_CACHE, null); 3345 // Queue up an async operation since clearing cache may take a little while. 3346 mHandler.post(new Runnable() { 3347 public void run() { 3348 mHandler.removeCallbacks(this); 3349 boolean success = true; 3350 synchronized (mInstallLock) { 3351 try { 3352 mInstaller.freeCache(volumeUuid, freeStorageSize); 3353 } catch (InstallerException e) { 3354 Slog.w(TAG, "Couldn't clear application caches: " + e); 3355 success = false; 3356 } 3357 } 3358 if(pi != null) { 3359 try { 3360 // Callback via pending intent 3361 int code = success ? 1 : 0; 3362 pi.sendIntent(null, code, null, 3363 null, null); 3364 } catch (SendIntentException e1) { 3365 Slog.i(TAG, "Failed to send pending intent"); 3366 } 3367 } 3368 } 3369 }); 3370 } 3371 3372 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3373 synchronized (mInstallLock) { 3374 try { 3375 mInstaller.freeCache(volumeUuid, freeStorageSize); 3376 } catch (InstallerException e) { 3377 throw new IOException("Failed to free enough space", e); 3378 } 3379 } 3380 } 3381 3382 /** 3383 * Update given flags based on encryption status of current user. 3384 */ 3385 private int updateFlags(int flags, int userId) { 3386 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3387 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3388 // Caller expressed an explicit opinion about what encryption 3389 // aware/unaware components they want to see, so fall through and 3390 // give them what they want 3391 } else { 3392 // Caller expressed no opinion, so match based on user state 3393 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3394 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3395 } else { 3396 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3397 } 3398 } 3399 return flags; 3400 } 3401 3402 private UserManagerInternal getUserManagerInternal() { 3403 if (mUserManagerInternal == null) { 3404 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3405 } 3406 return mUserManagerInternal; 3407 } 3408 3409 /** 3410 * Update given flags when being used to request {@link PackageInfo}. 3411 */ 3412 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3413 boolean triaged = true; 3414 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3415 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3416 // Caller is asking for component details, so they'd better be 3417 // asking for specific encryption matching behavior, or be triaged 3418 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3419 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3420 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3421 triaged = false; 3422 } 3423 } 3424 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3425 | PackageManager.MATCH_SYSTEM_ONLY 3426 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3427 triaged = false; 3428 } 3429 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3430 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3431 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3432 } 3433 return updateFlags(flags, userId); 3434 } 3435 3436 /** 3437 * Update given flags when being used to request {@link ApplicationInfo}. 3438 */ 3439 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3440 return updateFlagsForPackage(flags, userId, cookie); 3441 } 3442 3443 /** 3444 * Update given flags when being used to request {@link ComponentInfo}. 3445 */ 3446 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3447 if (cookie instanceof Intent) { 3448 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3449 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3450 } 3451 } 3452 3453 boolean triaged = true; 3454 // Caller is asking for component details, so they'd better be 3455 // asking for specific encryption matching behavior, or be triaged 3456 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3457 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3458 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3459 triaged = false; 3460 } 3461 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3462 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3463 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3464 } 3465 3466 return updateFlags(flags, userId); 3467 } 3468 3469 /** 3470 * Update given flags when being used to request {@link ResolveInfo}. 3471 */ 3472 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3473 // Safe mode means we shouldn't match any third-party components 3474 if (mSafeMode) { 3475 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3476 } 3477 3478 return updateFlagsForComponent(flags, userId, cookie); 3479 } 3480 3481 @Override 3482 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3483 if (!sUserManager.exists(userId)) return null; 3484 flags = updateFlagsForComponent(flags, userId, component); 3485 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3486 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3487 synchronized (mPackages) { 3488 PackageParser.Activity a = mActivities.mActivities.get(component); 3489 3490 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3491 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3492 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3493 if (ps == null) return null; 3494 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3495 userId); 3496 } 3497 if (mResolveComponentName.equals(component)) { 3498 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3499 new PackageUserState(), userId); 3500 } 3501 } 3502 return null; 3503 } 3504 3505 @Override 3506 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3507 String resolvedType) { 3508 synchronized (mPackages) { 3509 if (component.equals(mResolveComponentName)) { 3510 // The resolver supports EVERYTHING! 3511 return true; 3512 } 3513 PackageParser.Activity a = mActivities.mActivities.get(component); 3514 if (a == null) { 3515 return false; 3516 } 3517 for (int i=0; i<a.intents.size(); i++) { 3518 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3519 intent.getData(), intent.getCategories(), TAG) >= 0) { 3520 return true; 3521 } 3522 } 3523 return false; 3524 } 3525 } 3526 3527 @Override 3528 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3529 if (!sUserManager.exists(userId)) return null; 3530 flags = updateFlagsForComponent(flags, userId, component); 3531 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3532 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3533 synchronized (mPackages) { 3534 PackageParser.Activity a = mReceivers.mActivities.get(component); 3535 if (DEBUG_PACKAGE_INFO) Log.v( 3536 TAG, "getReceiverInfo " + component + ": " + a); 3537 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3538 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3539 if (ps == null) return null; 3540 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3541 userId); 3542 } 3543 } 3544 return null; 3545 } 3546 3547 @Override 3548 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3549 if (!sUserManager.exists(userId)) return null; 3550 flags = updateFlagsForComponent(flags, userId, component); 3551 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3552 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3553 synchronized (mPackages) { 3554 PackageParser.Service s = mServices.mServices.get(component); 3555 if (DEBUG_PACKAGE_INFO) Log.v( 3556 TAG, "getServiceInfo " + component + ": " + s); 3557 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3558 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3559 if (ps == null) return null; 3560 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3561 userId); 3562 } 3563 } 3564 return null; 3565 } 3566 3567 @Override 3568 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3569 if (!sUserManager.exists(userId)) return null; 3570 flags = updateFlagsForComponent(flags, userId, component); 3571 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3572 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3573 synchronized (mPackages) { 3574 PackageParser.Provider p = mProviders.mProviders.get(component); 3575 if (DEBUG_PACKAGE_INFO) Log.v( 3576 TAG, "getProviderInfo " + component + ": " + p); 3577 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3578 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3579 if (ps == null) return null; 3580 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3581 userId); 3582 } 3583 } 3584 return null; 3585 } 3586 3587 @Override 3588 public String[] getSystemSharedLibraryNames() { 3589 Set<String> libSet; 3590 synchronized (mPackages) { 3591 libSet = mSharedLibraries.keySet(); 3592 int size = libSet.size(); 3593 if (size > 0) { 3594 String[] libs = new String[size]; 3595 libSet.toArray(libs); 3596 return libs; 3597 } 3598 } 3599 return null; 3600 } 3601 3602 @Override 3603 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3604 synchronized (mPackages) { 3605 return mServicesSystemSharedLibraryPackageName; 3606 } 3607 } 3608 3609 @Override 3610 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3611 synchronized (mPackages) { 3612 return mSharedSystemSharedLibraryPackageName; 3613 } 3614 } 3615 3616 @Override 3617 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3618 synchronized (mPackages) { 3619 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3620 3621 final FeatureInfo fi = new FeatureInfo(); 3622 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3623 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3624 res.add(fi); 3625 3626 return new ParceledListSlice<>(res); 3627 } 3628 } 3629 3630 @Override 3631 public boolean hasSystemFeature(String name, int version) { 3632 synchronized (mPackages) { 3633 final FeatureInfo feat = mAvailableFeatures.get(name); 3634 if (feat == null) { 3635 return false; 3636 } else { 3637 return feat.version >= version; 3638 } 3639 } 3640 } 3641 3642 @Override 3643 public int checkPermission(String permName, String pkgName, int userId) { 3644 if (!sUserManager.exists(userId)) { 3645 return PackageManager.PERMISSION_DENIED; 3646 } 3647 3648 synchronized (mPackages) { 3649 final PackageParser.Package p = mPackages.get(pkgName); 3650 if (p != null && p.mExtras != null) { 3651 final PackageSetting ps = (PackageSetting) p.mExtras; 3652 final PermissionsState permissionsState = ps.getPermissionsState(); 3653 if (permissionsState.hasPermission(permName, userId)) { 3654 return PackageManager.PERMISSION_GRANTED; 3655 } 3656 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3657 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3658 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3659 return PackageManager.PERMISSION_GRANTED; 3660 } 3661 } 3662 } 3663 3664 return PackageManager.PERMISSION_DENIED; 3665 } 3666 3667 @Override 3668 public int checkUidPermission(String permName, int uid) { 3669 final int userId = UserHandle.getUserId(uid); 3670 3671 if (!sUserManager.exists(userId)) { 3672 return PackageManager.PERMISSION_DENIED; 3673 } 3674 3675 synchronized (mPackages) { 3676 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3677 if (obj != null) { 3678 final SettingBase ps = (SettingBase) obj; 3679 final PermissionsState permissionsState = ps.getPermissionsState(); 3680 if (permissionsState.hasPermission(permName, userId)) { 3681 return PackageManager.PERMISSION_GRANTED; 3682 } 3683 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3684 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3685 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3686 return PackageManager.PERMISSION_GRANTED; 3687 } 3688 } else { 3689 ArraySet<String> perms = mSystemPermissions.get(uid); 3690 if (perms != null) { 3691 if (perms.contains(permName)) { 3692 return PackageManager.PERMISSION_GRANTED; 3693 } 3694 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3695 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3696 return PackageManager.PERMISSION_GRANTED; 3697 } 3698 } 3699 } 3700 } 3701 3702 return PackageManager.PERMISSION_DENIED; 3703 } 3704 3705 @Override 3706 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3707 if (UserHandle.getCallingUserId() != userId) { 3708 mContext.enforceCallingPermission( 3709 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3710 "isPermissionRevokedByPolicy for user " + userId); 3711 } 3712 3713 if (checkPermission(permission, packageName, userId) 3714 == PackageManager.PERMISSION_GRANTED) { 3715 return false; 3716 } 3717 3718 final long identity = Binder.clearCallingIdentity(); 3719 try { 3720 final int flags = getPermissionFlags(permission, packageName, userId); 3721 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3722 } finally { 3723 Binder.restoreCallingIdentity(identity); 3724 } 3725 } 3726 3727 @Override 3728 public String getPermissionControllerPackageName() { 3729 synchronized (mPackages) { 3730 return mRequiredInstallerPackage; 3731 } 3732 } 3733 3734 /** 3735 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3736 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3737 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3738 * @param message the message to log on security exception 3739 */ 3740 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3741 boolean checkShell, String message) { 3742 if (userId < 0) { 3743 throw new IllegalArgumentException("Invalid userId " + userId); 3744 } 3745 if (checkShell) { 3746 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3747 } 3748 if (userId == UserHandle.getUserId(callingUid)) return; 3749 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3750 if (requireFullPermission) { 3751 mContext.enforceCallingOrSelfPermission( 3752 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3753 } else { 3754 try { 3755 mContext.enforceCallingOrSelfPermission( 3756 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3757 } catch (SecurityException se) { 3758 mContext.enforceCallingOrSelfPermission( 3759 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3760 } 3761 } 3762 } 3763 } 3764 3765 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3766 if (callingUid == Process.SHELL_UID) { 3767 if (userHandle >= 0 3768 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3769 throw new SecurityException("Shell does not have permission to access user " 3770 + userHandle); 3771 } else if (userHandle < 0) { 3772 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3773 + Debug.getCallers(3)); 3774 } 3775 } 3776 } 3777 3778 private BasePermission findPermissionTreeLP(String permName) { 3779 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3780 if (permName.startsWith(bp.name) && 3781 permName.length() > bp.name.length() && 3782 permName.charAt(bp.name.length()) == '.') { 3783 return bp; 3784 } 3785 } 3786 return null; 3787 } 3788 3789 private BasePermission checkPermissionTreeLP(String permName) { 3790 if (permName != null) { 3791 BasePermission bp = findPermissionTreeLP(permName); 3792 if (bp != null) { 3793 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3794 return bp; 3795 } 3796 throw new SecurityException("Calling uid " 3797 + Binder.getCallingUid() 3798 + " is not allowed to add to permission tree " 3799 + bp.name + " owned by uid " + bp.uid); 3800 } 3801 } 3802 throw new SecurityException("No permission tree found for " + permName); 3803 } 3804 3805 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3806 if (s1 == null) { 3807 return s2 == null; 3808 } 3809 if (s2 == null) { 3810 return false; 3811 } 3812 if (s1.getClass() != s2.getClass()) { 3813 return false; 3814 } 3815 return s1.equals(s2); 3816 } 3817 3818 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3819 if (pi1.icon != pi2.icon) return false; 3820 if (pi1.logo != pi2.logo) return false; 3821 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3822 if (!compareStrings(pi1.name, pi2.name)) return false; 3823 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3824 // We'll take care of setting this one. 3825 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3826 // These are not currently stored in settings. 3827 //if (!compareStrings(pi1.group, pi2.group)) return false; 3828 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3829 //if (pi1.labelRes != pi2.labelRes) return false; 3830 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3831 return true; 3832 } 3833 3834 int permissionInfoFootprint(PermissionInfo info) { 3835 int size = info.name.length(); 3836 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3837 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3838 return size; 3839 } 3840 3841 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3842 int size = 0; 3843 for (BasePermission perm : mSettings.mPermissions.values()) { 3844 if (perm.uid == tree.uid) { 3845 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3846 } 3847 } 3848 return size; 3849 } 3850 3851 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3852 // We calculate the max size of permissions defined by this uid and throw 3853 // if that plus the size of 'info' would exceed our stated maximum. 3854 if (tree.uid != Process.SYSTEM_UID) { 3855 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3856 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3857 throw new SecurityException("Permission tree size cap exceeded"); 3858 } 3859 } 3860 } 3861 3862 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3863 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3864 throw new SecurityException("Label must be specified in permission"); 3865 } 3866 BasePermission tree = checkPermissionTreeLP(info.name); 3867 BasePermission bp = mSettings.mPermissions.get(info.name); 3868 boolean added = bp == null; 3869 boolean changed = true; 3870 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3871 if (added) { 3872 enforcePermissionCapLocked(info, tree); 3873 bp = new BasePermission(info.name, tree.sourcePackage, 3874 BasePermission.TYPE_DYNAMIC); 3875 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3876 throw new SecurityException( 3877 "Not allowed to modify non-dynamic permission " 3878 + info.name); 3879 } else { 3880 if (bp.protectionLevel == fixedLevel 3881 && bp.perm.owner.equals(tree.perm.owner) 3882 && bp.uid == tree.uid 3883 && comparePermissionInfos(bp.perm.info, info)) { 3884 changed = false; 3885 } 3886 } 3887 bp.protectionLevel = fixedLevel; 3888 info = new PermissionInfo(info); 3889 info.protectionLevel = fixedLevel; 3890 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3891 bp.perm.info.packageName = tree.perm.info.packageName; 3892 bp.uid = tree.uid; 3893 if (added) { 3894 mSettings.mPermissions.put(info.name, bp); 3895 } 3896 if (changed) { 3897 if (!async) { 3898 mSettings.writeLPr(); 3899 } else { 3900 scheduleWriteSettingsLocked(); 3901 } 3902 } 3903 return added; 3904 } 3905 3906 @Override 3907 public boolean addPermission(PermissionInfo info) { 3908 synchronized (mPackages) { 3909 return addPermissionLocked(info, false); 3910 } 3911 } 3912 3913 @Override 3914 public boolean addPermissionAsync(PermissionInfo info) { 3915 synchronized (mPackages) { 3916 return addPermissionLocked(info, true); 3917 } 3918 } 3919 3920 @Override 3921 public void removePermission(String name) { 3922 synchronized (mPackages) { 3923 checkPermissionTreeLP(name); 3924 BasePermission bp = mSettings.mPermissions.get(name); 3925 if (bp != null) { 3926 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3927 throw new SecurityException( 3928 "Not allowed to modify non-dynamic permission " 3929 + name); 3930 } 3931 mSettings.mPermissions.remove(name); 3932 mSettings.writeLPr(); 3933 } 3934 } 3935 } 3936 3937 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3938 BasePermission bp) { 3939 int index = pkg.requestedPermissions.indexOf(bp.name); 3940 if (index == -1) { 3941 throw new SecurityException("Package " + pkg.packageName 3942 + " has not requested permission " + bp.name); 3943 } 3944 if (!bp.isRuntime() && !bp.isDevelopment()) { 3945 throw new SecurityException("Permission " + bp.name 3946 + " is not a changeable permission type"); 3947 } 3948 } 3949 3950 @Override 3951 public void grantRuntimePermission(String packageName, String name, final int userId) { 3952 if (!sUserManager.exists(userId)) { 3953 Log.e(TAG, "No such user:" + userId); 3954 return; 3955 } 3956 3957 mContext.enforceCallingOrSelfPermission( 3958 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3959 "grantRuntimePermission"); 3960 3961 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3962 true /* requireFullPermission */, true /* checkShell */, 3963 "grantRuntimePermission"); 3964 3965 final int uid; 3966 final SettingBase sb; 3967 3968 synchronized (mPackages) { 3969 final PackageParser.Package pkg = mPackages.get(packageName); 3970 if (pkg == null) { 3971 throw new IllegalArgumentException("Unknown package: " + packageName); 3972 } 3973 3974 final BasePermission bp = mSettings.mPermissions.get(name); 3975 if (bp == null) { 3976 throw new IllegalArgumentException("Unknown permission: " + name); 3977 } 3978 3979 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3980 3981 // If a permission review is required for legacy apps we represent 3982 // their permissions as always granted runtime ones since we need 3983 // to keep the review required permission flag per user while an 3984 // install permission's state is shared across all users. 3985 if (Build.PERMISSIONS_REVIEW_REQUIRED 3986 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3987 && bp.isRuntime()) { 3988 return; 3989 } 3990 3991 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3992 sb = (SettingBase) pkg.mExtras; 3993 if (sb == null) { 3994 throw new IllegalArgumentException("Unknown package: " + packageName); 3995 } 3996 3997 final PermissionsState permissionsState = sb.getPermissionsState(); 3998 3999 final int flags = permissionsState.getPermissionFlags(name, userId); 4000 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4001 throw new SecurityException("Cannot grant system fixed permission " 4002 + name + " for package " + packageName); 4003 } 4004 4005 if (bp.isDevelopment()) { 4006 // Development permissions must be handled specially, since they are not 4007 // normal runtime permissions. For now they apply to all users. 4008 if (permissionsState.grantInstallPermission(bp) != 4009 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4010 scheduleWriteSettingsLocked(); 4011 } 4012 return; 4013 } 4014 4015 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4016 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4017 return; 4018 } 4019 4020 final int result = permissionsState.grantRuntimePermission(bp, userId); 4021 switch (result) { 4022 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4023 return; 4024 } 4025 4026 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4027 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4028 mHandler.post(new Runnable() { 4029 @Override 4030 public void run() { 4031 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4032 } 4033 }); 4034 } 4035 break; 4036 } 4037 4038 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4039 4040 // Not critical if that is lost - app has to request again. 4041 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4042 } 4043 4044 // Only need to do this if user is initialized. Otherwise it's a new user 4045 // and there are no processes running as the user yet and there's no need 4046 // to make an expensive call to remount processes for the changed permissions. 4047 if (READ_EXTERNAL_STORAGE.equals(name) 4048 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4049 final long token = Binder.clearCallingIdentity(); 4050 try { 4051 if (sUserManager.isInitialized(userId)) { 4052 MountServiceInternal mountServiceInternal = LocalServices.getService( 4053 MountServiceInternal.class); 4054 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4055 } 4056 } finally { 4057 Binder.restoreCallingIdentity(token); 4058 } 4059 } 4060 } 4061 4062 @Override 4063 public void revokeRuntimePermission(String packageName, String name, int userId) { 4064 if (!sUserManager.exists(userId)) { 4065 Log.e(TAG, "No such user:" + userId); 4066 return; 4067 } 4068 4069 mContext.enforceCallingOrSelfPermission( 4070 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4071 "revokeRuntimePermission"); 4072 4073 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4074 true /* requireFullPermission */, true /* checkShell */, 4075 "revokeRuntimePermission"); 4076 4077 final int appId; 4078 4079 synchronized (mPackages) { 4080 final PackageParser.Package pkg = mPackages.get(packageName); 4081 if (pkg == null) { 4082 throw new IllegalArgumentException("Unknown package: " + packageName); 4083 } 4084 4085 final BasePermission bp = mSettings.mPermissions.get(name); 4086 if (bp == null) { 4087 throw new IllegalArgumentException("Unknown permission: " + name); 4088 } 4089 4090 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4091 4092 // If a permission review is required for legacy apps we represent 4093 // their permissions as always granted runtime ones since we need 4094 // to keep the review required permission flag per user while an 4095 // install permission's state is shared across all users. 4096 if (Build.PERMISSIONS_REVIEW_REQUIRED 4097 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4098 && bp.isRuntime()) { 4099 return; 4100 } 4101 4102 SettingBase sb = (SettingBase) pkg.mExtras; 4103 if (sb == null) { 4104 throw new IllegalArgumentException("Unknown package: " + packageName); 4105 } 4106 4107 final PermissionsState permissionsState = sb.getPermissionsState(); 4108 4109 final int flags = permissionsState.getPermissionFlags(name, userId); 4110 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4111 throw new SecurityException("Cannot revoke system fixed permission " 4112 + name + " for package " + packageName); 4113 } 4114 4115 if (bp.isDevelopment()) { 4116 // Development permissions must be handled specially, since they are not 4117 // normal runtime permissions. For now they apply to all users. 4118 if (permissionsState.revokeInstallPermission(bp) != 4119 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4120 scheduleWriteSettingsLocked(); 4121 } 4122 return; 4123 } 4124 4125 if (permissionsState.revokeRuntimePermission(bp, userId) == 4126 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4127 return; 4128 } 4129 4130 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4131 4132 // Critical, after this call app should never have the permission. 4133 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4134 4135 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4136 } 4137 4138 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4139 } 4140 4141 @Override 4142 public void resetRuntimePermissions() { 4143 mContext.enforceCallingOrSelfPermission( 4144 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4145 "revokeRuntimePermission"); 4146 4147 int callingUid = Binder.getCallingUid(); 4148 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4149 mContext.enforceCallingOrSelfPermission( 4150 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4151 "resetRuntimePermissions"); 4152 } 4153 4154 synchronized (mPackages) { 4155 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4156 for (int userId : UserManagerService.getInstance().getUserIds()) { 4157 final int packageCount = mPackages.size(); 4158 for (int i = 0; i < packageCount; i++) { 4159 PackageParser.Package pkg = mPackages.valueAt(i); 4160 if (!(pkg.mExtras instanceof PackageSetting)) { 4161 continue; 4162 } 4163 PackageSetting ps = (PackageSetting) pkg.mExtras; 4164 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4165 } 4166 } 4167 } 4168 } 4169 4170 @Override 4171 public int getPermissionFlags(String name, String packageName, int userId) { 4172 if (!sUserManager.exists(userId)) { 4173 return 0; 4174 } 4175 4176 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4177 4178 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4179 true /* requireFullPermission */, false /* checkShell */, 4180 "getPermissionFlags"); 4181 4182 synchronized (mPackages) { 4183 final PackageParser.Package pkg = mPackages.get(packageName); 4184 if (pkg == null) { 4185 return 0; 4186 } 4187 4188 final BasePermission bp = mSettings.mPermissions.get(name); 4189 if (bp == null) { 4190 return 0; 4191 } 4192 4193 SettingBase sb = (SettingBase) pkg.mExtras; 4194 if (sb == null) { 4195 return 0; 4196 } 4197 4198 PermissionsState permissionsState = sb.getPermissionsState(); 4199 return permissionsState.getPermissionFlags(name, userId); 4200 } 4201 } 4202 4203 @Override 4204 public void updatePermissionFlags(String name, String packageName, int flagMask, 4205 int flagValues, int userId) { 4206 if (!sUserManager.exists(userId)) { 4207 return; 4208 } 4209 4210 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4211 4212 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4213 true /* requireFullPermission */, true /* checkShell */, 4214 "updatePermissionFlags"); 4215 4216 // Only the system can change these flags and nothing else. 4217 if (getCallingUid() != Process.SYSTEM_UID) { 4218 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4219 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4220 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4221 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4222 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4223 } 4224 4225 synchronized (mPackages) { 4226 final PackageParser.Package pkg = mPackages.get(packageName); 4227 if (pkg == null) { 4228 throw new IllegalArgumentException("Unknown package: " + packageName); 4229 } 4230 4231 final BasePermission bp = mSettings.mPermissions.get(name); 4232 if (bp == null) { 4233 throw new IllegalArgumentException("Unknown permission: " + name); 4234 } 4235 4236 SettingBase sb = (SettingBase) pkg.mExtras; 4237 if (sb == null) { 4238 throw new IllegalArgumentException("Unknown package: " + packageName); 4239 } 4240 4241 PermissionsState permissionsState = sb.getPermissionsState(); 4242 4243 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4244 4245 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4246 // Install and runtime permissions are stored in different places, 4247 // so figure out what permission changed and persist the change. 4248 if (permissionsState.getInstallPermissionState(name) != null) { 4249 scheduleWriteSettingsLocked(); 4250 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4251 || hadState) { 4252 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4253 } 4254 } 4255 } 4256 } 4257 4258 /** 4259 * Update the permission flags for all packages and runtime permissions of a user in order 4260 * to allow device or profile owner to remove POLICY_FIXED. 4261 */ 4262 @Override 4263 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4264 if (!sUserManager.exists(userId)) { 4265 return; 4266 } 4267 4268 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4269 4270 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4271 true /* requireFullPermission */, true /* checkShell */, 4272 "updatePermissionFlagsForAllApps"); 4273 4274 // Only the system can change system fixed flags. 4275 if (getCallingUid() != Process.SYSTEM_UID) { 4276 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4277 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4278 } 4279 4280 synchronized (mPackages) { 4281 boolean changed = false; 4282 final int packageCount = mPackages.size(); 4283 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4284 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4285 SettingBase sb = (SettingBase) pkg.mExtras; 4286 if (sb == null) { 4287 continue; 4288 } 4289 PermissionsState permissionsState = sb.getPermissionsState(); 4290 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4291 userId, flagMask, flagValues); 4292 } 4293 if (changed) { 4294 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4295 } 4296 } 4297 } 4298 4299 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4300 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4301 != PackageManager.PERMISSION_GRANTED 4302 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4303 != PackageManager.PERMISSION_GRANTED) { 4304 throw new SecurityException(message + " requires " 4305 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4306 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4307 } 4308 } 4309 4310 @Override 4311 public boolean shouldShowRequestPermissionRationale(String permissionName, 4312 String packageName, int userId) { 4313 if (UserHandle.getCallingUserId() != userId) { 4314 mContext.enforceCallingPermission( 4315 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4316 "canShowRequestPermissionRationale for user " + userId); 4317 } 4318 4319 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4320 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4321 return false; 4322 } 4323 4324 if (checkPermission(permissionName, packageName, userId) 4325 == PackageManager.PERMISSION_GRANTED) { 4326 return false; 4327 } 4328 4329 final int flags; 4330 4331 final long identity = Binder.clearCallingIdentity(); 4332 try { 4333 flags = getPermissionFlags(permissionName, 4334 packageName, userId); 4335 } finally { 4336 Binder.restoreCallingIdentity(identity); 4337 } 4338 4339 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4340 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4341 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4342 4343 if ((flags & fixedFlags) != 0) { 4344 return false; 4345 } 4346 4347 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4348 } 4349 4350 @Override 4351 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4352 mContext.enforceCallingOrSelfPermission( 4353 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4354 "addOnPermissionsChangeListener"); 4355 4356 synchronized (mPackages) { 4357 mOnPermissionChangeListeners.addListenerLocked(listener); 4358 } 4359 } 4360 4361 @Override 4362 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4363 synchronized (mPackages) { 4364 mOnPermissionChangeListeners.removeListenerLocked(listener); 4365 } 4366 } 4367 4368 @Override 4369 public boolean isProtectedBroadcast(String actionName) { 4370 synchronized (mPackages) { 4371 if (mProtectedBroadcasts.contains(actionName)) { 4372 return true; 4373 } else if (actionName != null) { 4374 // TODO: remove these terrible hacks 4375 if (actionName.startsWith("android.net.netmon.lingerExpired") 4376 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4377 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4378 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4379 return true; 4380 } 4381 } 4382 } 4383 return false; 4384 } 4385 4386 @Override 4387 public int checkSignatures(String pkg1, String pkg2) { 4388 synchronized (mPackages) { 4389 final PackageParser.Package p1 = mPackages.get(pkg1); 4390 final PackageParser.Package p2 = mPackages.get(pkg2); 4391 if (p1 == null || p1.mExtras == null 4392 || p2 == null || p2.mExtras == null) { 4393 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4394 } 4395 return compareSignatures(p1.mSignatures, p2.mSignatures); 4396 } 4397 } 4398 4399 @Override 4400 public int checkUidSignatures(int uid1, int uid2) { 4401 // Map to base uids. 4402 uid1 = UserHandle.getAppId(uid1); 4403 uid2 = UserHandle.getAppId(uid2); 4404 // reader 4405 synchronized (mPackages) { 4406 Signature[] s1; 4407 Signature[] s2; 4408 Object obj = mSettings.getUserIdLPr(uid1); 4409 if (obj != null) { 4410 if (obj instanceof SharedUserSetting) { 4411 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4412 } else if (obj instanceof PackageSetting) { 4413 s1 = ((PackageSetting)obj).signatures.mSignatures; 4414 } else { 4415 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4416 } 4417 } else { 4418 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4419 } 4420 obj = mSettings.getUserIdLPr(uid2); 4421 if (obj != null) { 4422 if (obj instanceof SharedUserSetting) { 4423 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4424 } else if (obj instanceof PackageSetting) { 4425 s2 = ((PackageSetting)obj).signatures.mSignatures; 4426 } else { 4427 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4428 } 4429 } else { 4430 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4431 } 4432 return compareSignatures(s1, s2); 4433 } 4434 } 4435 4436 /** 4437 * This method should typically only be used when granting or revoking 4438 * permissions, since the app may immediately restart after this call. 4439 * <p> 4440 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4441 * guard your work against the app being relaunched. 4442 */ 4443 private void killUid(int appId, int userId, String reason) { 4444 final long identity = Binder.clearCallingIdentity(); 4445 try { 4446 IActivityManager am = ActivityManagerNative.getDefault(); 4447 if (am != null) { 4448 try { 4449 am.killUid(appId, userId, reason); 4450 } catch (RemoteException e) { 4451 /* ignore - same process */ 4452 } 4453 } 4454 } finally { 4455 Binder.restoreCallingIdentity(identity); 4456 } 4457 } 4458 4459 /** 4460 * Compares two sets of signatures. Returns: 4461 * <br /> 4462 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4463 * <br /> 4464 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4465 * <br /> 4466 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4467 * <br /> 4468 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4469 * <br /> 4470 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4471 */ 4472 static int compareSignatures(Signature[] s1, Signature[] s2) { 4473 if (s1 == null) { 4474 return s2 == null 4475 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4476 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4477 } 4478 4479 if (s2 == null) { 4480 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4481 } 4482 4483 if (s1.length != s2.length) { 4484 return PackageManager.SIGNATURE_NO_MATCH; 4485 } 4486 4487 // Since both signature sets are of size 1, we can compare without HashSets. 4488 if (s1.length == 1) { 4489 return s1[0].equals(s2[0]) ? 4490 PackageManager.SIGNATURE_MATCH : 4491 PackageManager.SIGNATURE_NO_MATCH; 4492 } 4493 4494 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4495 for (Signature sig : s1) { 4496 set1.add(sig); 4497 } 4498 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4499 for (Signature sig : s2) { 4500 set2.add(sig); 4501 } 4502 // Make sure s2 contains all signatures in s1. 4503 if (set1.equals(set2)) { 4504 return PackageManager.SIGNATURE_MATCH; 4505 } 4506 return PackageManager.SIGNATURE_NO_MATCH; 4507 } 4508 4509 /** 4510 * If the database version for this type of package (internal storage or 4511 * external storage) is less than the version where package signatures 4512 * were updated, return true. 4513 */ 4514 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4515 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4516 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4517 } 4518 4519 /** 4520 * Used for backward compatibility to make sure any packages with 4521 * certificate chains get upgraded to the new style. {@code existingSigs} 4522 * will be in the old format (since they were stored on disk from before the 4523 * system upgrade) and {@code scannedSigs} will be in the newer format. 4524 */ 4525 private int compareSignaturesCompat(PackageSignatures existingSigs, 4526 PackageParser.Package scannedPkg) { 4527 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4528 return PackageManager.SIGNATURE_NO_MATCH; 4529 } 4530 4531 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4532 for (Signature sig : existingSigs.mSignatures) { 4533 existingSet.add(sig); 4534 } 4535 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4536 for (Signature sig : scannedPkg.mSignatures) { 4537 try { 4538 Signature[] chainSignatures = sig.getChainSignatures(); 4539 for (Signature chainSig : chainSignatures) { 4540 scannedCompatSet.add(chainSig); 4541 } 4542 } catch (CertificateEncodingException e) { 4543 scannedCompatSet.add(sig); 4544 } 4545 } 4546 /* 4547 * Make sure the expanded scanned set contains all signatures in the 4548 * existing one. 4549 */ 4550 if (scannedCompatSet.equals(existingSet)) { 4551 // Migrate the old signatures to the new scheme. 4552 existingSigs.assignSignatures(scannedPkg.mSignatures); 4553 // The new KeySets will be re-added later in the scanning process. 4554 synchronized (mPackages) { 4555 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4556 } 4557 return PackageManager.SIGNATURE_MATCH; 4558 } 4559 return PackageManager.SIGNATURE_NO_MATCH; 4560 } 4561 4562 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4563 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4564 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4565 } 4566 4567 private int compareSignaturesRecover(PackageSignatures existingSigs, 4568 PackageParser.Package scannedPkg) { 4569 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4570 return PackageManager.SIGNATURE_NO_MATCH; 4571 } 4572 4573 String msg = null; 4574 try { 4575 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4576 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4577 + scannedPkg.packageName); 4578 return PackageManager.SIGNATURE_MATCH; 4579 } 4580 } catch (CertificateException e) { 4581 msg = e.getMessage(); 4582 } 4583 4584 logCriticalInfo(Log.INFO, 4585 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4586 return PackageManager.SIGNATURE_NO_MATCH; 4587 } 4588 4589 @Override 4590 public List<String> getAllPackages() { 4591 synchronized (mPackages) { 4592 return new ArrayList<String>(mPackages.keySet()); 4593 } 4594 } 4595 4596 @Override 4597 public String[] getPackagesForUid(int uid) { 4598 uid = UserHandle.getAppId(uid); 4599 // reader 4600 synchronized (mPackages) { 4601 Object obj = mSettings.getUserIdLPr(uid); 4602 if (obj instanceof SharedUserSetting) { 4603 final SharedUserSetting sus = (SharedUserSetting) obj; 4604 final int N = sus.packages.size(); 4605 final String[] res = new String[N]; 4606 for (int i = 0; i < N; i++) { 4607 res[i] = sus.packages.valueAt(i).name; 4608 } 4609 return res; 4610 } else if (obj instanceof PackageSetting) { 4611 final PackageSetting ps = (PackageSetting) obj; 4612 return new String[] { ps.name }; 4613 } 4614 } 4615 return null; 4616 } 4617 4618 @Override 4619 public String getNameForUid(int uid) { 4620 // reader 4621 synchronized (mPackages) { 4622 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4623 if (obj instanceof SharedUserSetting) { 4624 final SharedUserSetting sus = (SharedUserSetting) obj; 4625 return sus.name + ":" + sus.userId; 4626 } else if (obj instanceof PackageSetting) { 4627 final PackageSetting ps = (PackageSetting) obj; 4628 return ps.name; 4629 } 4630 } 4631 return null; 4632 } 4633 4634 @Override 4635 public int getUidForSharedUser(String sharedUserName) { 4636 if(sharedUserName == null) { 4637 return -1; 4638 } 4639 // reader 4640 synchronized (mPackages) { 4641 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4642 if (suid == null) { 4643 return -1; 4644 } 4645 return suid.userId; 4646 } 4647 } 4648 4649 @Override 4650 public int getFlagsForUid(int uid) { 4651 synchronized (mPackages) { 4652 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4653 if (obj instanceof SharedUserSetting) { 4654 final SharedUserSetting sus = (SharedUserSetting) obj; 4655 return sus.pkgFlags; 4656 } else if (obj instanceof PackageSetting) { 4657 final PackageSetting ps = (PackageSetting) obj; 4658 return ps.pkgFlags; 4659 } 4660 } 4661 return 0; 4662 } 4663 4664 @Override 4665 public int getPrivateFlagsForUid(int uid) { 4666 synchronized (mPackages) { 4667 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4668 if (obj instanceof SharedUserSetting) { 4669 final SharedUserSetting sus = (SharedUserSetting) obj; 4670 return sus.pkgPrivateFlags; 4671 } else if (obj instanceof PackageSetting) { 4672 final PackageSetting ps = (PackageSetting) obj; 4673 return ps.pkgPrivateFlags; 4674 } 4675 } 4676 return 0; 4677 } 4678 4679 @Override 4680 public boolean isUidPrivileged(int uid) { 4681 uid = UserHandle.getAppId(uid); 4682 // reader 4683 synchronized (mPackages) { 4684 Object obj = mSettings.getUserIdLPr(uid); 4685 if (obj instanceof SharedUserSetting) { 4686 final SharedUserSetting sus = (SharedUserSetting) obj; 4687 final Iterator<PackageSetting> it = sus.packages.iterator(); 4688 while (it.hasNext()) { 4689 if (it.next().isPrivileged()) { 4690 return true; 4691 } 4692 } 4693 } else if (obj instanceof PackageSetting) { 4694 final PackageSetting ps = (PackageSetting) obj; 4695 return ps.isPrivileged(); 4696 } 4697 } 4698 return false; 4699 } 4700 4701 @Override 4702 public String[] getAppOpPermissionPackages(String permissionName) { 4703 synchronized (mPackages) { 4704 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4705 if (pkgs == null) { 4706 return null; 4707 } 4708 return pkgs.toArray(new String[pkgs.size()]); 4709 } 4710 } 4711 4712 @Override 4713 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4714 int flags, int userId) { 4715 try { 4716 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4717 4718 if (!sUserManager.exists(userId)) return null; 4719 flags = updateFlagsForResolve(flags, userId, intent); 4720 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4721 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4722 4723 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4724 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4725 flags, userId); 4726 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4727 4728 final ResolveInfo bestChoice = 4729 chooseBestActivity(intent, resolvedType, flags, query, userId); 4730 4731 if (isEphemeralAllowed(intent, query, userId)) { 4732 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4733 final EphemeralResolveInfo ai = 4734 getEphemeralResolveInfo(intent, resolvedType, userId); 4735 if (ai != null) { 4736 if (DEBUG_EPHEMERAL) { 4737 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4738 } 4739 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4740 bestChoice.ephemeralResolveInfo = ai; 4741 } 4742 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4743 } 4744 return bestChoice; 4745 } finally { 4746 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4747 } 4748 } 4749 4750 @Override 4751 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4752 IntentFilter filter, int match, ComponentName activity) { 4753 final int userId = UserHandle.getCallingUserId(); 4754 if (DEBUG_PREFERRED) { 4755 Log.v(TAG, "setLastChosenActivity intent=" + intent 4756 + " resolvedType=" + resolvedType 4757 + " flags=" + flags 4758 + " filter=" + filter 4759 + " match=" + match 4760 + " activity=" + activity); 4761 filter.dump(new PrintStreamPrinter(System.out), " "); 4762 } 4763 intent.setComponent(null); 4764 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4765 userId); 4766 // Find any earlier preferred or last chosen entries and nuke them 4767 findPreferredActivity(intent, resolvedType, 4768 flags, query, 0, false, true, false, userId); 4769 // Add the new activity as the last chosen for this filter 4770 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4771 "Setting last chosen"); 4772 } 4773 4774 @Override 4775 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4776 final int userId = UserHandle.getCallingUserId(); 4777 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4778 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4779 userId); 4780 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4781 false, false, false, userId); 4782 } 4783 4784 4785 private boolean isEphemeralAllowed( 4786 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4787 // Short circuit and return early if possible. 4788 if (DISABLE_EPHEMERAL_APPS) { 4789 return false; 4790 } 4791 final int callingUser = UserHandle.getCallingUserId(); 4792 if (callingUser != UserHandle.USER_SYSTEM) { 4793 return false; 4794 } 4795 if (mEphemeralResolverConnection == null) { 4796 return false; 4797 } 4798 if (intent.getComponent() != null) { 4799 return false; 4800 } 4801 if (intent.getPackage() != null) { 4802 return false; 4803 } 4804 final boolean isWebUri = hasWebURI(intent); 4805 if (!isWebUri) { 4806 return false; 4807 } 4808 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4809 synchronized (mPackages) { 4810 final int count = resolvedActivites.size(); 4811 for (int n = 0; n < count; n++) { 4812 ResolveInfo info = resolvedActivites.get(n); 4813 String packageName = info.activityInfo.packageName; 4814 PackageSetting ps = mSettings.mPackages.get(packageName); 4815 if (ps != null) { 4816 // Try to get the status from User settings first 4817 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4818 int status = (int) (packedStatus >> 32); 4819 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4820 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4821 if (DEBUG_EPHEMERAL) { 4822 Slog.v(TAG, "DENY ephemeral apps;" 4823 + " pkg: " + packageName + ", status: " + status); 4824 } 4825 return false; 4826 } 4827 } 4828 } 4829 } 4830 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4831 return true; 4832 } 4833 4834 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4835 int userId) { 4836 final int ephemeralPrefixMask = Global.getInt(mContext.getContentResolver(), 4837 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4838 final int ephemeralPrefixCount = Global.getInt(mContext.getContentResolver(), 4839 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4840 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4841 ephemeralPrefixCount); 4842 final int[] shaPrefix = digest.getDigestPrefix(); 4843 final byte[][] digestBytes = digest.getDigestBytes(); 4844 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4845 mEphemeralResolverConnection.getEphemeralResolveInfoList( 4846 shaPrefix, ephemeralPrefixMask); 4847 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4848 // No hash prefix match; there are no ephemeral apps for this domain. 4849 return null; 4850 } 4851 4852 // Go in reverse order so we match the narrowest scope first. 4853 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4854 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4855 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4856 continue; 4857 } 4858 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4859 // No filters; this should never happen. 4860 if (filters.isEmpty()) { 4861 continue; 4862 } 4863 // We have a domain match; resolve the filters to see if anything matches. 4864 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4865 for (int j = filters.size() - 1; j >= 0; --j) { 4866 final EphemeralResolveIntentInfo intentInfo = 4867 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4868 ephemeralResolver.addFilter(intentInfo); 4869 } 4870 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4871 intent, resolvedType, false /*defaultOnly*/, userId); 4872 if (!matchedResolveInfoList.isEmpty()) { 4873 return matchedResolveInfoList.get(0); 4874 } 4875 } 4876 } 4877 // Hash or filter mis-match; no ephemeral apps for this domain. 4878 return null; 4879 } 4880 4881 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4882 int flags, List<ResolveInfo> query, int userId) { 4883 if (query != null) { 4884 final int N = query.size(); 4885 if (N == 1) { 4886 return query.get(0); 4887 } else if (N > 1) { 4888 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4889 // If there is more than one activity with the same priority, 4890 // then let the user decide between them. 4891 ResolveInfo r0 = query.get(0); 4892 ResolveInfo r1 = query.get(1); 4893 if (DEBUG_INTENT_MATCHING || debug) { 4894 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4895 + r1.activityInfo.name + "=" + r1.priority); 4896 } 4897 // If the first activity has a higher priority, or a different 4898 // default, then it is always desirable to pick it. 4899 if (r0.priority != r1.priority 4900 || r0.preferredOrder != r1.preferredOrder 4901 || r0.isDefault != r1.isDefault) { 4902 return query.get(0); 4903 } 4904 // If we have saved a preference for a preferred activity for 4905 // this Intent, use that. 4906 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4907 flags, query, r0.priority, true, false, debug, userId); 4908 if (ri != null) { 4909 return ri; 4910 } 4911 ri = new ResolveInfo(mResolveInfo); 4912 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4913 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4914 // If all of the options come from the same package, show the application's 4915 // label and icon instead of the generic resolver's. 4916 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4917 // and then throw away the ResolveInfo itself, meaning that the caller loses 4918 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4919 // a fallback for this case; we only set the target package's resources on 4920 // the ResolveInfo, not the ActivityInfo. 4921 final String intentPackage = intent.getPackage(); 4922 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4923 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4924 ri.resolvePackageName = intentPackage; 4925 if (userNeedsBadging(userId)) { 4926 ri.noResourceId = true; 4927 } else { 4928 ri.icon = appi.icon; 4929 } 4930 ri.iconResourceId = appi.icon; 4931 ri.labelRes = appi.labelRes; 4932 } 4933 ri.activityInfo.applicationInfo = new ApplicationInfo( 4934 ri.activityInfo.applicationInfo); 4935 if (userId != 0) { 4936 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4937 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4938 } 4939 // Make sure that the resolver is displayable in car mode 4940 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4941 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4942 return ri; 4943 } 4944 } 4945 return null; 4946 } 4947 4948 /** 4949 * Return true if the given list is not empty and all of its contents have 4950 * an activityInfo with the given package name. 4951 */ 4952 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4953 if (ArrayUtils.isEmpty(list)) { 4954 return false; 4955 } 4956 for (int i = 0, N = list.size(); i < N; i++) { 4957 final ResolveInfo ri = list.get(i); 4958 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4959 if (ai == null || !packageName.equals(ai.packageName)) { 4960 return false; 4961 } 4962 } 4963 return true; 4964 } 4965 4966 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4967 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4968 final int N = query.size(); 4969 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4970 .get(userId); 4971 // Get the list of persistent preferred activities that handle the intent 4972 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4973 List<PersistentPreferredActivity> pprefs = ppir != null 4974 ? ppir.queryIntent(intent, resolvedType, 4975 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4976 : null; 4977 if (pprefs != null && pprefs.size() > 0) { 4978 final int M = pprefs.size(); 4979 for (int i=0; i<M; i++) { 4980 final PersistentPreferredActivity ppa = pprefs.get(i); 4981 if (DEBUG_PREFERRED || debug) { 4982 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4983 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4984 + "\n component=" + ppa.mComponent); 4985 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4986 } 4987 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4988 flags | MATCH_DISABLED_COMPONENTS, userId); 4989 if (DEBUG_PREFERRED || debug) { 4990 Slog.v(TAG, "Found persistent preferred activity:"); 4991 if (ai != null) { 4992 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4993 } else { 4994 Slog.v(TAG, " null"); 4995 } 4996 } 4997 if (ai == null) { 4998 // This previously registered persistent preferred activity 4999 // component is no longer known. Ignore it and do NOT remove it. 5000 continue; 5001 } 5002 for (int j=0; j<N; j++) { 5003 final ResolveInfo ri = query.get(j); 5004 if (!ri.activityInfo.applicationInfo.packageName 5005 .equals(ai.applicationInfo.packageName)) { 5006 continue; 5007 } 5008 if (!ri.activityInfo.name.equals(ai.name)) { 5009 continue; 5010 } 5011 // Found a persistent preference that can handle the intent. 5012 if (DEBUG_PREFERRED || debug) { 5013 Slog.v(TAG, "Returning persistent preferred activity: " + 5014 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5015 } 5016 return ri; 5017 } 5018 } 5019 } 5020 return null; 5021 } 5022 5023 // TODO: handle preferred activities missing while user has amnesia 5024 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5025 List<ResolveInfo> query, int priority, boolean always, 5026 boolean removeMatches, boolean debug, int userId) { 5027 if (!sUserManager.exists(userId)) return null; 5028 flags = updateFlagsForResolve(flags, userId, intent); 5029 // writer 5030 synchronized (mPackages) { 5031 if (intent.getSelector() != null) { 5032 intent = intent.getSelector(); 5033 } 5034 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5035 5036 // Try to find a matching persistent preferred activity. 5037 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5038 debug, userId); 5039 5040 // If a persistent preferred activity matched, use it. 5041 if (pri != null) { 5042 return pri; 5043 } 5044 5045 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5046 // Get the list of preferred activities that handle the intent 5047 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5048 List<PreferredActivity> prefs = pir != null 5049 ? pir.queryIntent(intent, resolvedType, 5050 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5051 : null; 5052 if (prefs != null && prefs.size() > 0) { 5053 boolean changed = false; 5054 try { 5055 // First figure out how good the original match set is. 5056 // We will only allow preferred activities that came 5057 // from the same match quality. 5058 int match = 0; 5059 5060 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5061 5062 final int N = query.size(); 5063 for (int j=0; j<N; j++) { 5064 final ResolveInfo ri = query.get(j); 5065 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5066 + ": 0x" + Integer.toHexString(match)); 5067 if (ri.match > match) { 5068 match = ri.match; 5069 } 5070 } 5071 5072 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5073 + Integer.toHexString(match)); 5074 5075 match &= IntentFilter.MATCH_CATEGORY_MASK; 5076 final int M = prefs.size(); 5077 for (int i=0; i<M; i++) { 5078 final PreferredActivity pa = prefs.get(i); 5079 if (DEBUG_PREFERRED || debug) { 5080 Slog.v(TAG, "Checking PreferredActivity ds=" 5081 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5082 + "\n component=" + pa.mPref.mComponent); 5083 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5084 } 5085 if (pa.mPref.mMatch != match) { 5086 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5087 + Integer.toHexString(pa.mPref.mMatch)); 5088 continue; 5089 } 5090 // If it's not an "always" type preferred activity and that's what we're 5091 // looking for, skip it. 5092 if (always && !pa.mPref.mAlways) { 5093 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5094 continue; 5095 } 5096 final ActivityInfo ai = getActivityInfo( 5097 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5098 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5099 userId); 5100 if (DEBUG_PREFERRED || debug) { 5101 Slog.v(TAG, "Found preferred activity:"); 5102 if (ai != null) { 5103 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5104 } else { 5105 Slog.v(TAG, " null"); 5106 } 5107 } 5108 if (ai == null) { 5109 // This previously registered preferred activity 5110 // component is no longer known. Most likely an update 5111 // to the app was installed and in the new version this 5112 // component no longer exists. Clean it up by removing 5113 // it from the preferred activities list, and skip it. 5114 Slog.w(TAG, "Removing dangling preferred activity: " 5115 + pa.mPref.mComponent); 5116 pir.removeFilter(pa); 5117 changed = true; 5118 continue; 5119 } 5120 for (int j=0; j<N; j++) { 5121 final ResolveInfo ri = query.get(j); 5122 if (!ri.activityInfo.applicationInfo.packageName 5123 .equals(ai.applicationInfo.packageName)) { 5124 continue; 5125 } 5126 if (!ri.activityInfo.name.equals(ai.name)) { 5127 continue; 5128 } 5129 5130 if (removeMatches) { 5131 pir.removeFilter(pa); 5132 changed = true; 5133 if (DEBUG_PREFERRED) { 5134 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5135 } 5136 break; 5137 } 5138 5139 // Okay we found a previously set preferred or last chosen app. 5140 // If the result set is different from when this 5141 // was created, we need to clear it and re-ask the 5142 // user their preference, if we're looking for an "always" type entry. 5143 if (always && !pa.mPref.sameSet(query)) { 5144 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5145 + intent + " type " + resolvedType); 5146 if (DEBUG_PREFERRED) { 5147 Slog.v(TAG, "Removing preferred activity since set changed " 5148 + pa.mPref.mComponent); 5149 } 5150 pir.removeFilter(pa); 5151 // Re-add the filter as a "last chosen" entry (!always) 5152 PreferredActivity lastChosen = new PreferredActivity( 5153 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5154 pir.addFilter(lastChosen); 5155 changed = true; 5156 return null; 5157 } 5158 5159 // Yay! Either the set matched or we're looking for the last chosen 5160 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5161 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5162 return ri; 5163 } 5164 } 5165 } finally { 5166 if (changed) { 5167 if (DEBUG_PREFERRED) { 5168 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5169 } 5170 scheduleWritePackageRestrictionsLocked(userId); 5171 } 5172 } 5173 } 5174 } 5175 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5176 return null; 5177 } 5178 5179 /* 5180 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5181 */ 5182 @Override 5183 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5184 int targetUserId) { 5185 mContext.enforceCallingOrSelfPermission( 5186 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5187 List<CrossProfileIntentFilter> matches = 5188 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5189 if (matches != null) { 5190 int size = matches.size(); 5191 for (int i = 0; i < size; i++) { 5192 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5193 } 5194 } 5195 if (hasWebURI(intent)) { 5196 // cross-profile app linking works only towards the parent. 5197 final UserInfo parent = getProfileParent(sourceUserId); 5198 synchronized(mPackages) { 5199 int flags = updateFlagsForResolve(0, parent.id, intent); 5200 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5201 intent, resolvedType, flags, sourceUserId, parent.id); 5202 return xpDomainInfo != null; 5203 } 5204 } 5205 return false; 5206 } 5207 5208 private UserInfo getProfileParent(int userId) { 5209 final long identity = Binder.clearCallingIdentity(); 5210 try { 5211 return sUserManager.getProfileParent(userId); 5212 } finally { 5213 Binder.restoreCallingIdentity(identity); 5214 } 5215 } 5216 5217 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5218 String resolvedType, int userId) { 5219 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5220 if (resolver != null) { 5221 return resolver.queryIntent(intent, resolvedType, false, userId); 5222 } 5223 return null; 5224 } 5225 5226 @Override 5227 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5228 String resolvedType, int flags, int userId) { 5229 try { 5230 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5231 5232 return new ParceledListSlice<>( 5233 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5234 } finally { 5235 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5236 } 5237 } 5238 5239 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5240 String resolvedType, int flags, int userId) { 5241 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5242 flags = updateFlagsForResolve(flags, userId, intent); 5243 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5244 false /* requireFullPermission */, false /* checkShell */, 5245 "query intent activities"); 5246 ComponentName comp = intent.getComponent(); 5247 if (comp == null) { 5248 if (intent.getSelector() != null) { 5249 intent = intent.getSelector(); 5250 comp = intent.getComponent(); 5251 } 5252 } 5253 5254 if (comp != null) { 5255 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5256 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5257 if (ai != null) { 5258 final ResolveInfo ri = new ResolveInfo(); 5259 ri.activityInfo = ai; 5260 list.add(ri); 5261 } 5262 return list; 5263 } 5264 5265 // reader 5266 synchronized (mPackages) { 5267 final String pkgName = intent.getPackage(); 5268 if (pkgName == null) { 5269 List<CrossProfileIntentFilter> matchingFilters = 5270 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5271 // Check for results that need to skip the current profile. 5272 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5273 resolvedType, flags, userId); 5274 if (xpResolveInfo != null) { 5275 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5276 result.add(xpResolveInfo); 5277 return filterIfNotSystemUser(result, userId); 5278 } 5279 5280 // Check for results in the current profile. 5281 List<ResolveInfo> result = mActivities.queryIntent( 5282 intent, resolvedType, flags, userId); 5283 result = filterIfNotSystemUser(result, userId); 5284 5285 // Check for cross profile results. 5286 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5287 xpResolveInfo = queryCrossProfileIntents( 5288 matchingFilters, intent, resolvedType, flags, userId, 5289 hasNonNegativePriorityResult); 5290 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5291 boolean isVisibleToUser = filterIfNotSystemUser( 5292 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5293 if (isVisibleToUser) { 5294 result.add(xpResolveInfo); 5295 Collections.sort(result, mResolvePrioritySorter); 5296 } 5297 } 5298 if (hasWebURI(intent)) { 5299 CrossProfileDomainInfo xpDomainInfo = null; 5300 final UserInfo parent = getProfileParent(userId); 5301 if (parent != null) { 5302 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5303 flags, userId, parent.id); 5304 } 5305 if (xpDomainInfo != null) { 5306 if (xpResolveInfo != null) { 5307 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5308 // in the result. 5309 result.remove(xpResolveInfo); 5310 } 5311 if (result.size() == 0) { 5312 result.add(xpDomainInfo.resolveInfo); 5313 return result; 5314 } 5315 } else if (result.size() <= 1) { 5316 return result; 5317 } 5318 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5319 xpDomainInfo, userId); 5320 Collections.sort(result, mResolvePrioritySorter); 5321 } 5322 return result; 5323 } 5324 final PackageParser.Package pkg = mPackages.get(pkgName); 5325 if (pkg != null) { 5326 return filterIfNotSystemUser( 5327 mActivities.queryIntentForPackage( 5328 intent, resolvedType, flags, pkg.activities, userId), 5329 userId); 5330 } 5331 return new ArrayList<ResolveInfo>(); 5332 } 5333 } 5334 5335 private static class CrossProfileDomainInfo { 5336 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5337 ResolveInfo resolveInfo; 5338 /* Best domain verification status of the activities found in the other profile */ 5339 int bestDomainVerificationStatus; 5340 } 5341 5342 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5343 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5344 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5345 sourceUserId)) { 5346 return null; 5347 } 5348 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5349 resolvedType, flags, parentUserId); 5350 5351 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5352 return null; 5353 } 5354 CrossProfileDomainInfo result = null; 5355 int size = resultTargetUser.size(); 5356 for (int i = 0; i < size; i++) { 5357 ResolveInfo riTargetUser = resultTargetUser.get(i); 5358 // Intent filter verification is only for filters that specify a host. So don't return 5359 // those that handle all web uris. 5360 if (riTargetUser.handleAllWebDataURI) { 5361 continue; 5362 } 5363 String packageName = riTargetUser.activityInfo.packageName; 5364 PackageSetting ps = mSettings.mPackages.get(packageName); 5365 if (ps == null) { 5366 continue; 5367 } 5368 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5369 int status = (int)(verificationState >> 32); 5370 if (result == null) { 5371 result = new CrossProfileDomainInfo(); 5372 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5373 sourceUserId, parentUserId); 5374 result.bestDomainVerificationStatus = status; 5375 } else { 5376 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5377 result.bestDomainVerificationStatus); 5378 } 5379 } 5380 // Don't consider matches with status NEVER across profiles. 5381 if (result != null && result.bestDomainVerificationStatus 5382 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5383 return null; 5384 } 5385 return result; 5386 } 5387 5388 /** 5389 * Verification statuses are ordered from the worse to the best, except for 5390 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5391 */ 5392 private int bestDomainVerificationStatus(int status1, int status2) { 5393 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5394 return status2; 5395 } 5396 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5397 return status1; 5398 } 5399 return (int) MathUtils.max(status1, status2); 5400 } 5401 5402 private boolean isUserEnabled(int userId) { 5403 long callingId = Binder.clearCallingIdentity(); 5404 try { 5405 UserInfo userInfo = sUserManager.getUserInfo(userId); 5406 return userInfo != null && userInfo.isEnabled(); 5407 } finally { 5408 Binder.restoreCallingIdentity(callingId); 5409 } 5410 } 5411 5412 /** 5413 * Filter out activities with systemUserOnly flag set, when current user is not System. 5414 * 5415 * @return filtered list 5416 */ 5417 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5418 if (userId == UserHandle.USER_SYSTEM) { 5419 return resolveInfos; 5420 } 5421 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5422 ResolveInfo info = resolveInfos.get(i); 5423 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5424 resolveInfos.remove(i); 5425 } 5426 } 5427 return resolveInfos; 5428 } 5429 5430 /** 5431 * @param resolveInfos list of resolve infos in descending priority order 5432 * @return if the list contains a resolve info with non-negative priority 5433 */ 5434 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5435 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5436 } 5437 5438 private static boolean hasWebURI(Intent intent) { 5439 if (intent.getData() == null) { 5440 return false; 5441 } 5442 final String scheme = intent.getScheme(); 5443 if (TextUtils.isEmpty(scheme)) { 5444 return false; 5445 } 5446 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5447 } 5448 5449 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5450 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5451 int userId) { 5452 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5453 5454 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5455 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5456 candidates.size()); 5457 } 5458 5459 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5460 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5461 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5462 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5463 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5464 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5465 5466 synchronized (mPackages) { 5467 final int count = candidates.size(); 5468 // First, try to use linked apps. Partition the candidates into four lists: 5469 // one for the final results, one for the "do not use ever", one for "undefined status" 5470 // and finally one for "browser app type". 5471 for (int n=0; n<count; n++) { 5472 ResolveInfo info = candidates.get(n); 5473 String packageName = info.activityInfo.packageName; 5474 PackageSetting ps = mSettings.mPackages.get(packageName); 5475 if (ps != null) { 5476 // Add to the special match all list (Browser use case) 5477 if (info.handleAllWebDataURI) { 5478 matchAllList.add(info); 5479 continue; 5480 } 5481 // Try to get the status from User settings first 5482 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5483 int status = (int)(packedStatus >> 32); 5484 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5485 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5486 if (DEBUG_DOMAIN_VERIFICATION) { 5487 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5488 + " : linkgen=" + linkGeneration); 5489 } 5490 // Use link-enabled generation as preferredOrder, i.e. 5491 // prefer newly-enabled over earlier-enabled. 5492 info.preferredOrder = linkGeneration; 5493 alwaysList.add(info); 5494 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5495 if (DEBUG_DOMAIN_VERIFICATION) { 5496 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5497 } 5498 neverList.add(info); 5499 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5500 if (DEBUG_DOMAIN_VERIFICATION) { 5501 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5502 } 5503 alwaysAskList.add(info); 5504 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5505 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5506 if (DEBUG_DOMAIN_VERIFICATION) { 5507 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5508 } 5509 undefinedList.add(info); 5510 } 5511 } 5512 } 5513 5514 // We'll want to include browser possibilities in a few cases 5515 boolean includeBrowser = false; 5516 5517 // First try to add the "always" resolution(s) for the current user, if any 5518 if (alwaysList.size() > 0) { 5519 result.addAll(alwaysList); 5520 } else { 5521 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5522 result.addAll(undefinedList); 5523 // Maybe add one for the other profile. 5524 if (xpDomainInfo != null && ( 5525 xpDomainInfo.bestDomainVerificationStatus 5526 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5527 result.add(xpDomainInfo.resolveInfo); 5528 } 5529 includeBrowser = true; 5530 } 5531 5532 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5533 // If there were 'always' entries their preferred order has been set, so we also 5534 // back that off to make the alternatives equivalent 5535 if (alwaysAskList.size() > 0) { 5536 for (ResolveInfo i : result) { 5537 i.preferredOrder = 0; 5538 } 5539 result.addAll(alwaysAskList); 5540 includeBrowser = true; 5541 } 5542 5543 if (includeBrowser) { 5544 // Also add browsers (all of them or only the default one) 5545 if (DEBUG_DOMAIN_VERIFICATION) { 5546 Slog.v(TAG, " ...including browsers in candidate set"); 5547 } 5548 if ((matchFlags & MATCH_ALL) != 0) { 5549 result.addAll(matchAllList); 5550 } else { 5551 // Browser/generic handling case. If there's a default browser, go straight 5552 // to that (but only if there is no other higher-priority match). 5553 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5554 int maxMatchPrio = 0; 5555 ResolveInfo defaultBrowserMatch = null; 5556 final int numCandidates = matchAllList.size(); 5557 for (int n = 0; n < numCandidates; n++) { 5558 ResolveInfo info = matchAllList.get(n); 5559 // track the highest overall match priority... 5560 if (info.priority > maxMatchPrio) { 5561 maxMatchPrio = info.priority; 5562 } 5563 // ...and the highest-priority default browser match 5564 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5565 if (defaultBrowserMatch == null 5566 || (defaultBrowserMatch.priority < info.priority)) { 5567 if (debug) { 5568 Slog.v(TAG, "Considering default browser match " + info); 5569 } 5570 defaultBrowserMatch = info; 5571 } 5572 } 5573 } 5574 if (defaultBrowserMatch != null 5575 && defaultBrowserMatch.priority >= maxMatchPrio 5576 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5577 { 5578 if (debug) { 5579 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5580 } 5581 result.add(defaultBrowserMatch); 5582 } else { 5583 result.addAll(matchAllList); 5584 } 5585 } 5586 5587 // If there is nothing selected, add all candidates and remove the ones that the user 5588 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5589 if (result.size() == 0) { 5590 result.addAll(candidates); 5591 result.removeAll(neverList); 5592 } 5593 } 5594 } 5595 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5596 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5597 result.size()); 5598 for (ResolveInfo info : result) { 5599 Slog.v(TAG, " + " + info.activityInfo); 5600 } 5601 } 5602 return result; 5603 } 5604 5605 // Returns a packed value as a long: 5606 // 5607 // high 'int'-sized word: link status: undefined/ask/never/always. 5608 // low 'int'-sized word: relative priority among 'always' results. 5609 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5610 long result = ps.getDomainVerificationStatusForUser(userId); 5611 // if none available, get the master status 5612 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5613 if (ps.getIntentFilterVerificationInfo() != null) { 5614 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5615 } 5616 } 5617 return result; 5618 } 5619 5620 private ResolveInfo querySkipCurrentProfileIntents( 5621 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5622 int flags, int sourceUserId) { 5623 if (matchingFilters != null) { 5624 int size = matchingFilters.size(); 5625 for (int i = 0; i < size; i ++) { 5626 CrossProfileIntentFilter filter = matchingFilters.get(i); 5627 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5628 // Checking if there are activities in the target user that can handle the 5629 // intent. 5630 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5631 resolvedType, flags, sourceUserId); 5632 if (resolveInfo != null) { 5633 return resolveInfo; 5634 } 5635 } 5636 } 5637 } 5638 return null; 5639 } 5640 5641 // Return matching ResolveInfo in target user if any. 5642 private ResolveInfo queryCrossProfileIntents( 5643 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5644 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5645 if (matchingFilters != null) { 5646 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5647 // match the same intent. For performance reasons, it is better not to 5648 // run queryIntent twice for the same userId 5649 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5650 int size = matchingFilters.size(); 5651 for (int i = 0; i < size; i++) { 5652 CrossProfileIntentFilter filter = matchingFilters.get(i); 5653 int targetUserId = filter.getTargetUserId(); 5654 boolean skipCurrentProfile = 5655 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5656 boolean skipCurrentProfileIfNoMatchFound = 5657 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5658 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5659 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5660 // Checking if there are activities in the target user that can handle the 5661 // intent. 5662 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5663 resolvedType, flags, sourceUserId); 5664 if (resolveInfo != null) return resolveInfo; 5665 alreadyTriedUserIds.put(targetUserId, true); 5666 } 5667 } 5668 } 5669 return null; 5670 } 5671 5672 /** 5673 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5674 * will forward the intent to the filter's target user. 5675 * Otherwise, returns null. 5676 */ 5677 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5678 String resolvedType, int flags, int sourceUserId) { 5679 int targetUserId = filter.getTargetUserId(); 5680 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5681 resolvedType, flags, targetUserId); 5682 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5683 // If all the matches in the target profile are suspended, return null. 5684 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5685 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5686 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5687 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5688 targetUserId); 5689 } 5690 } 5691 } 5692 return null; 5693 } 5694 5695 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5696 int sourceUserId, int targetUserId) { 5697 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5698 long ident = Binder.clearCallingIdentity(); 5699 boolean targetIsProfile; 5700 try { 5701 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5702 } finally { 5703 Binder.restoreCallingIdentity(ident); 5704 } 5705 String className; 5706 if (targetIsProfile) { 5707 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5708 } else { 5709 className = FORWARD_INTENT_TO_PARENT; 5710 } 5711 ComponentName forwardingActivityComponentName = new ComponentName( 5712 mAndroidApplication.packageName, className); 5713 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5714 sourceUserId); 5715 if (!targetIsProfile) { 5716 forwardingActivityInfo.showUserIcon = targetUserId; 5717 forwardingResolveInfo.noResourceId = true; 5718 } 5719 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5720 forwardingResolveInfo.priority = 0; 5721 forwardingResolveInfo.preferredOrder = 0; 5722 forwardingResolveInfo.match = 0; 5723 forwardingResolveInfo.isDefault = true; 5724 forwardingResolveInfo.filter = filter; 5725 forwardingResolveInfo.targetUserId = targetUserId; 5726 return forwardingResolveInfo; 5727 } 5728 5729 @Override 5730 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5731 Intent[] specifics, String[] specificTypes, Intent intent, 5732 String resolvedType, int flags, int userId) { 5733 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5734 specificTypes, intent, resolvedType, flags, userId)); 5735 } 5736 5737 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5738 Intent[] specifics, String[] specificTypes, Intent intent, 5739 String resolvedType, int flags, int userId) { 5740 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5741 flags = updateFlagsForResolve(flags, userId, intent); 5742 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5743 false /* requireFullPermission */, false /* checkShell */, 5744 "query intent activity options"); 5745 final String resultsAction = intent.getAction(); 5746 5747 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5748 | PackageManager.GET_RESOLVED_FILTER, userId); 5749 5750 if (DEBUG_INTENT_MATCHING) { 5751 Log.v(TAG, "Query " + intent + ": " + results); 5752 } 5753 5754 int specificsPos = 0; 5755 int N; 5756 5757 // todo: note that the algorithm used here is O(N^2). This 5758 // isn't a problem in our current environment, but if we start running 5759 // into situations where we have more than 5 or 10 matches then this 5760 // should probably be changed to something smarter... 5761 5762 // First we go through and resolve each of the specific items 5763 // that were supplied, taking care of removing any corresponding 5764 // duplicate items in the generic resolve list. 5765 if (specifics != null) { 5766 for (int i=0; i<specifics.length; i++) { 5767 final Intent sintent = specifics[i]; 5768 if (sintent == null) { 5769 continue; 5770 } 5771 5772 if (DEBUG_INTENT_MATCHING) { 5773 Log.v(TAG, "Specific #" + i + ": " + sintent); 5774 } 5775 5776 String action = sintent.getAction(); 5777 if (resultsAction != null && resultsAction.equals(action)) { 5778 // If this action was explicitly requested, then don't 5779 // remove things that have it. 5780 action = null; 5781 } 5782 5783 ResolveInfo ri = null; 5784 ActivityInfo ai = null; 5785 5786 ComponentName comp = sintent.getComponent(); 5787 if (comp == null) { 5788 ri = resolveIntent( 5789 sintent, 5790 specificTypes != null ? specificTypes[i] : null, 5791 flags, userId); 5792 if (ri == null) { 5793 continue; 5794 } 5795 if (ri == mResolveInfo) { 5796 // ACK! Must do something better with this. 5797 } 5798 ai = ri.activityInfo; 5799 comp = new ComponentName(ai.applicationInfo.packageName, 5800 ai.name); 5801 } else { 5802 ai = getActivityInfo(comp, flags, userId); 5803 if (ai == null) { 5804 continue; 5805 } 5806 } 5807 5808 // Look for any generic query activities that are duplicates 5809 // of this specific one, and remove them from the results. 5810 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5811 N = results.size(); 5812 int j; 5813 for (j=specificsPos; j<N; j++) { 5814 ResolveInfo sri = results.get(j); 5815 if ((sri.activityInfo.name.equals(comp.getClassName()) 5816 && sri.activityInfo.applicationInfo.packageName.equals( 5817 comp.getPackageName())) 5818 || (action != null && sri.filter.matchAction(action))) { 5819 results.remove(j); 5820 if (DEBUG_INTENT_MATCHING) Log.v( 5821 TAG, "Removing duplicate item from " + j 5822 + " due to specific " + specificsPos); 5823 if (ri == null) { 5824 ri = sri; 5825 } 5826 j--; 5827 N--; 5828 } 5829 } 5830 5831 // Add this specific item to its proper place. 5832 if (ri == null) { 5833 ri = new ResolveInfo(); 5834 ri.activityInfo = ai; 5835 } 5836 results.add(specificsPos, ri); 5837 ri.specificIndex = i; 5838 specificsPos++; 5839 } 5840 } 5841 5842 // Now we go through the remaining generic results and remove any 5843 // duplicate actions that are found here. 5844 N = results.size(); 5845 for (int i=specificsPos; i<N-1; i++) { 5846 final ResolveInfo rii = results.get(i); 5847 if (rii.filter == null) { 5848 continue; 5849 } 5850 5851 // Iterate over all of the actions of this result's intent 5852 // filter... typically this should be just one. 5853 final Iterator<String> it = rii.filter.actionsIterator(); 5854 if (it == null) { 5855 continue; 5856 } 5857 while (it.hasNext()) { 5858 final String action = it.next(); 5859 if (resultsAction != null && resultsAction.equals(action)) { 5860 // If this action was explicitly requested, then don't 5861 // remove things that have it. 5862 continue; 5863 } 5864 for (int j=i+1; j<N; j++) { 5865 final ResolveInfo rij = results.get(j); 5866 if (rij.filter != null && rij.filter.hasAction(action)) { 5867 results.remove(j); 5868 if (DEBUG_INTENT_MATCHING) Log.v( 5869 TAG, "Removing duplicate item from " + j 5870 + " due to action " + action + " at " + i); 5871 j--; 5872 N--; 5873 } 5874 } 5875 } 5876 5877 // If the caller didn't request filter information, drop it now 5878 // so we don't have to marshall/unmarshall it. 5879 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5880 rii.filter = null; 5881 } 5882 } 5883 5884 // Filter out the caller activity if so requested. 5885 if (caller != null) { 5886 N = results.size(); 5887 for (int i=0; i<N; i++) { 5888 ActivityInfo ainfo = results.get(i).activityInfo; 5889 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5890 && caller.getClassName().equals(ainfo.name)) { 5891 results.remove(i); 5892 break; 5893 } 5894 } 5895 } 5896 5897 // If the caller didn't request filter information, 5898 // drop them now so we don't have to 5899 // marshall/unmarshall it. 5900 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5901 N = results.size(); 5902 for (int i=0; i<N; i++) { 5903 results.get(i).filter = null; 5904 } 5905 } 5906 5907 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5908 return results; 5909 } 5910 5911 @Override 5912 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5913 String resolvedType, int flags, int userId) { 5914 return new ParceledListSlice<>( 5915 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5916 } 5917 5918 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5919 String resolvedType, int flags, int userId) { 5920 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5921 flags = updateFlagsForResolve(flags, userId, intent); 5922 ComponentName comp = intent.getComponent(); 5923 if (comp == null) { 5924 if (intent.getSelector() != null) { 5925 intent = intent.getSelector(); 5926 comp = intent.getComponent(); 5927 } 5928 } 5929 if (comp != null) { 5930 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5931 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5932 if (ai != null) { 5933 ResolveInfo ri = new ResolveInfo(); 5934 ri.activityInfo = ai; 5935 list.add(ri); 5936 } 5937 return list; 5938 } 5939 5940 // reader 5941 synchronized (mPackages) { 5942 String pkgName = intent.getPackage(); 5943 if (pkgName == null) { 5944 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5945 } 5946 final PackageParser.Package pkg = mPackages.get(pkgName); 5947 if (pkg != null) { 5948 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5949 userId); 5950 } 5951 return Collections.emptyList(); 5952 } 5953 } 5954 5955 @Override 5956 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5957 if (!sUserManager.exists(userId)) return null; 5958 flags = updateFlagsForResolve(flags, userId, intent); 5959 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5960 if (query != null) { 5961 if (query.size() >= 1) { 5962 // If there is more than one service with the same priority, 5963 // just arbitrarily pick the first one. 5964 return query.get(0); 5965 } 5966 } 5967 return null; 5968 } 5969 5970 @Override 5971 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5972 String resolvedType, int flags, int userId) { 5973 return new ParceledListSlice<>( 5974 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5975 } 5976 5977 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5978 String resolvedType, int flags, int userId) { 5979 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5980 flags = updateFlagsForResolve(flags, userId, intent); 5981 ComponentName comp = intent.getComponent(); 5982 if (comp == null) { 5983 if (intent.getSelector() != null) { 5984 intent = intent.getSelector(); 5985 comp = intent.getComponent(); 5986 } 5987 } 5988 if (comp != null) { 5989 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5990 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5991 if (si != null) { 5992 final ResolveInfo ri = new ResolveInfo(); 5993 ri.serviceInfo = si; 5994 list.add(ri); 5995 } 5996 return list; 5997 } 5998 5999 // reader 6000 synchronized (mPackages) { 6001 String pkgName = intent.getPackage(); 6002 if (pkgName == null) { 6003 return mServices.queryIntent(intent, resolvedType, flags, userId); 6004 } 6005 final PackageParser.Package pkg = mPackages.get(pkgName); 6006 if (pkg != null) { 6007 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6008 userId); 6009 } 6010 return Collections.emptyList(); 6011 } 6012 } 6013 6014 @Override 6015 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6016 String resolvedType, int flags, int userId) { 6017 return new ParceledListSlice<>( 6018 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6019 } 6020 6021 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6022 Intent intent, String resolvedType, int flags, int userId) { 6023 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6024 flags = updateFlagsForResolve(flags, userId, intent); 6025 ComponentName comp = intent.getComponent(); 6026 if (comp == null) { 6027 if (intent.getSelector() != null) { 6028 intent = intent.getSelector(); 6029 comp = intent.getComponent(); 6030 } 6031 } 6032 if (comp != null) { 6033 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6034 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6035 if (pi != null) { 6036 final ResolveInfo ri = new ResolveInfo(); 6037 ri.providerInfo = pi; 6038 list.add(ri); 6039 } 6040 return list; 6041 } 6042 6043 // reader 6044 synchronized (mPackages) { 6045 String pkgName = intent.getPackage(); 6046 if (pkgName == null) { 6047 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6048 } 6049 final PackageParser.Package pkg = mPackages.get(pkgName); 6050 if (pkg != null) { 6051 return mProviders.queryIntentForPackage( 6052 intent, resolvedType, flags, pkg.providers, userId); 6053 } 6054 return Collections.emptyList(); 6055 } 6056 } 6057 6058 @Override 6059 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6060 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6061 flags = updateFlagsForPackage(flags, userId, null); 6062 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6063 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6064 true /* requireFullPermission */, false /* checkShell */, 6065 "get installed packages"); 6066 6067 // writer 6068 synchronized (mPackages) { 6069 ArrayList<PackageInfo> list; 6070 if (listUninstalled) { 6071 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6072 for (PackageSetting ps : mSettings.mPackages.values()) { 6073 final PackageInfo pi; 6074 if (ps.pkg != null) { 6075 pi = generatePackageInfo(ps, flags, userId); 6076 } else { 6077 pi = generatePackageInfo(ps, flags, userId); 6078 } 6079 if (pi != null) { 6080 list.add(pi); 6081 } 6082 } 6083 } else { 6084 list = new ArrayList<PackageInfo>(mPackages.size()); 6085 for (PackageParser.Package p : mPackages.values()) { 6086 final PackageInfo pi = 6087 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6088 if (pi != null) { 6089 list.add(pi); 6090 } 6091 } 6092 } 6093 6094 return new ParceledListSlice<PackageInfo>(list); 6095 } 6096 } 6097 6098 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6099 String[] permissions, boolean[] tmp, int flags, int userId) { 6100 int numMatch = 0; 6101 final PermissionsState permissionsState = ps.getPermissionsState(); 6102 for (int i=0; i<permissions.length; i++) { 6103 final String permission = permissions[i]; 6104 if (permissionsState.hasPermission(permission, userId)) { 6105 tmp[i] = true; 6106 numMatch++; 6107 } else { 6108 tmp[i] = false; 6109 } 6110 } 6111 if (numMatch == 0) { 6112 return; 6113 } 6114 final PackageInfo pi; 6115 if (ps.pkg != null) { 6116 pi = generatePackageInfo(ps, flags, userId); 6117 } else { 6118 pi = generatePackageInfo(ps, flags, userId); 6119 } 6120 // The above might return null in cases of uninstalled apps or install-state 6121 // skew across users/profiles. 6122 if (pi != null) { 6123 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6124 if (numMatch == permissions.length) { 6125 pi.requestedPermissions = permissions; 6126 } else { 6127 pi.requestedPermissions = new String[numMatch]; 6128 numMatch = 0; 6129 for (int i=0; i<permissions.length; i++) { 6130 if (tmp[i]) { 6131 pi.requestedPermissions[numMatch] = permissions[i]; 6132 numMatch++; 6133 } 6134 } 6135 } 6136 } 6137 list.add(pi); 6138 } 6139 } 6140 6141 @Override 6142 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6143 String[] permissions, int flags, int userId) { 6144 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6145 flags = updateFlagsForPackage(flags, userId, permissions); 6146 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6147 6148 // writer 6149 synchronized (mPackages) { 6150 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6151 boolean[] tmpBools = new boolean[permissions.length]; 6152 if (listUninstalled) { 6153 for (PackageSetting ps : mSettings.mPackages.values()) { 6154 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6155 } 6156 } else { 6157 for (PackageParser.Package pkg : mPackages.values()) { 6158 PackageSetting ps = (PackageSetting)pkg.mExtras; 6159 if (ps != null) { 6160 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6161 userId); 6162 } 6163 } 6164 } 6165 6166 return new ParceledListSlice<PackageInfo>(list); 6167 } 6168 } 6169 6170 @Override 6171 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6172 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6173 flags = updateFlagsForApplication(flags, userId, null); 6174 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6175 6176 // writer 6177 synchronized (mPackages) { 6178 ArrayList<ApplicationInfo> list; 6179 if (listUninstalled) { 6180 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6181 for (PackageSetting ps : mSettings.mPackages.values()) { 6182 ApplicationInfo ai; 6183 if (ps.pkg != null) { 6184 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6185 ps.readUserState(userId), userId); 6186 } else { 6187 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6188 } 6189 if (ai != null) { 6190 list.add(ai); 6191 } 6192 } 6193 } else { 6194 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6195 for (PackageParser.Package p : mPackages.values()) { 6196 if (p.mExtras != null) { 6197 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6198 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6199 if (ai != null) { 6200 list.add(ai); 6201 } 6202 } 6203 } 6204 } 6205 6206 return new ParceledListSlice<ApplicationInfo>(list); 6207 } 6208 } 6209 6210 @Override 6211 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6212 if (DISABLE_EPHEMERAL_APPS) { 6213 return null; 6214 } 6215 6216 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6217 "getEphemeralApplications"); 6218 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6219 true /* requireFullPermission */, false /* checkShell */, 6220 "getEphemeralApplications"); 6221 synchronized (mPackages) { 6222 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6223 .getEphemeralApplicationsLPw(userId); 6224 if (ephemeralApps != null) { 6225 return new ParceledListSlice<>(ephemeralApps); 6226 } 6227 } 6228 return null; 6229 } 6230 6231 @Override 6232 public boolean isEphemeralApplication(String packageName, int userId) { 6233 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6234 true /* requireFullPermission */, false /* checkShell */, 6235 "isEphemeral"); 6236 if (DISABLE_EPHEMERAL_APPS) { 6237 return false; 6238 } 6239 6240 if (!isCallerSameApp(packageName)) { 6241 return false; 6242 } 6243 synchronized (mPackages) { 6244 PackageParser.Package pkg = mPackages.get(packageName); 6245 if (pkg != null) { 6246 return pkg.applicationInfo.isEphemeralApp(); 6247 } 6248 } 6249 return false; 6250 } 6251 6252 @Override 6253 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6254 if (DISABLE_EPHEMERAL_APPS) { 6255 return null; 6256 } 6257 6258 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6259 true /* requireFullPermission */, false /* checkShell */, 6260 "getCookie"); 6261 if (!isCallerSameApp(packageName)) { 6262 return null; 6263 } 6264 synchronized (mPackages) { 6265 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6266 packageName, userId); 6267 } 6268 } 6269 6270 @Override 6271 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6272 if (DISABLE_EPHEMERAL_APPS) { 6273 return true; 6274 } 6275 6276 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6277 true /* requireFullPermission */, true /* checkShell */, 6278 "setCookie"); 6279 if (!isCallerSameApp(packageName)) { 6280 return false; 6281 } 6282 synchronized (mPackages) { 6283 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6284 packageName, cookie, userId); 6285 } 6286 } 6287 6288 @Override 6289 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6290 if (DISABLE_EPHEMERAL_APPS) { 6291 return null; 6292 } 6293 6294 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6295 "getEphemeralApplicationIcon"); 6296 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6297 true /* requireFullPermission */, false /* checkShell */, 6298 "getEphemeralApplicationIcon"); 6299 synchronized (mPackages) { 6300 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6301 packageName, userId); 6302 } 6303 } 6304 6305 private boolean isCallerSameApp(String packageName) { 6306 PackageParser.Package pkg = mPackages.get(packageName); 6307 return pkg != null 6308 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6309 } 6310 6311 @Override 6312 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6313 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6314 } 6315 6316 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6317 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6318 6319 // reader 6320 synchronized (mPackages) { 6321 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6322 final int userId = UserHandle.getCallingUserId(); 6323 while (i.hasNext()) { 6324 final PackageParser.Package p = i.next(); 6325 if (p.applicationInfo == null) continue; 6326 6327 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6328 && !p.applicationInfo.isDirectBootAware(); 6329 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6330 && p.applicationInfo.isDirectBootAware(); 6331 6332 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6333 && (!mSafeMode || isSystemApp(p)) 6334 && (matchesUnaware || matchesAware)) { 6335 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6336 if (ps != null) { 6337 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6338 ps.readUserState(userId), userId); 6339 if (ai != null) { 6340 finalList.add(ai); 6341 } 6342 } 6343 } 6344 } 6345 } 6346 6347 return finalList; 6348 } 6349 6350 @Override 6351 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6352 if (!sUserManager.exists(userId)) return null; 6353 flags = updateFlagsForComponent(flags, userId, name); 6354 // reader 6355 synchronized (mPackages) { 6356 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6357 PackageSetting ps = provider != null 6358 ? mSettings.mPackages.get(provider.owner.packageName) 6359 : null; 6360 return ps != null 6361 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6362 ? PackageParser.generateProviderInfo(provider, flags, 6363 ps.readUserState(userId), userId) 6364 : null; 6365 } 6366 } 6367 6368 /** 6369 * @deprecated 6370 */ 6371 @Deprecated 6372 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6373 // reader 6374 synchronized (mPackages) { 6375 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6376 .entrySet().iterator(); 6377 final int userId = UserHandle.getCallingUserId(); 6378 while (i.hasNext()) { 6379 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6380 PackageParser.Provider p = entry.getValue(); 6381 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6382 6383 if (ps != null && p.syncable 6384 && (!mSafeMode || (p.info.applicationInfo.flags 6385 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6386 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6387 ps.readUserState(userId), userId); 6388 if (info != null) { 6389 outNames.add(entry.getKey()); 6390 outInfo.add(info); 6391 } 6392 } 6393 } 6394 } 6395 } 6396 6397 @Override 6398 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6399 int uid, int flags) { 6400 final int userId = processName != null ? UserHandle.getUserId(uid) 6401 : UserHandle.getCallingUserId(); 6402 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6403 flags = updateFlagsForComponent(flags, userId, processName); 6404 6405 ArrayList<ProviderInfo> finalList = null; 6406 // reader 6407 synchronized (mPackages) { 6408 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6409 while (i.hasNext()) { 6410 final PackageParser.Provider p = i.next(); 6411 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6412 if (ps != null && p.info.authority != null 6413 && (processName == null 6414 || (p.info.processName.equals(processName) 6415 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6416 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6417 if (finalList == null) { 6418 finalList = new ArrayList<ProviderInfo>(3); 6419 } 6420 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6421 ps.readUserState(userId), userId); 6422 if (info != null) { 6423 finalList.add(info); 6424 } 6425 } 6426 } 6427 } 6428 6429 if (finalList != null) { 6430 Collections.sort(finalList, mProviderInitOrderSorter); 6431 return new ParceledListSlice<ProviderInfo>(finalList); 6432 } 6433 6434 return ParceledListSlice.emptyList(); 6435 } 6436 6437 @Override 6438 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6439 // reader 6440 synchronized (mPackages) { 6441 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6442 return PackageParser.generateInstrumentationInfo(i, flags); 6443 } 6444 } 6445 6446 @Override 6447 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6448 String targetPackage, int flags) { 6449 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6450 } 6451 6452 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6453 int flags) { 6454 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6455 6456 // reader 6457 synchronized (mPackages) { 6458 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6459 while (i.hasNext()) { 6460 final PackageParser.Instrumentation p = i.next(); 6461 if (targetPackage == null 6462 || targetPackage.equals(p.info.targetPackage)) { 6463 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6464 flags); 6465 if (ii != null) { 6466 finalList.add(ii); 6467 } 6468 } 6469 } 6470 } 6471 6472 return finalList; 6473 } 6474 6475 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6476 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6477 if (overlays == null) { 6478 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6479 return; 6480 } 6481 for (PackageParser.Package opkg : overlays.values()) { 6482 // Not much to do if idmap fails: we already logged the error 6483 // and we certainly don't want to abort installation of pkg simply 6484 // because an overlay didn't fit properly. For these reasons, 6485 // ignore the return value of createIdmapForPackagePairLI. 6486 createIdmapForPackagePairLI(pkg, opkg); 6487 } 6488 } 6489 6490 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6491 PackageParser.Package opkg) { 6492 if (!opkg.mTrustedOverlay) { 6493 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6494 opkg.baseCodePath + ": overlay not trusted"); 6495 return false; 6496 } 6497 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6498 if (overlaySet == null) { 6499 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6500 opkg.baseCodePath + " but target package has no known overlays"); 6501 return false; 6502 } 6503 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6504 // TODO: generate idmap for split APKs 6505 try { 6506 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6507 } catch (InstallerException e) { 6508 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6509 + opkg.baseCodePath); 6510 return false; 6511 } 6512 PackageParser.Package[] overlayArray = 6513 overlaySet.values().toArray(new PackageParser.Package[0]); 6514 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6515 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6516 return p1.mOverlayPriority - p2.mOverlayPriority; 6517 } 6518 }; 6519 Arrays.sort(overlayArray, cmp); 6520 6521 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6522 int i = 0; 6523 for (PackageParser.Package p : overlayArray) { 6524 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6525 } 6526 return true; 6527 } 6528 6529 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6530 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6531 try { 6532 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6533 } finally { 6534 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6535 } 6536 } 6537 6538 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6539 final File[] files = dir.listFiles(); 6540 if (ArrayUtils.isEmpty(files)) { 6541 Log.d(TAG, "No files in app dir " + dir); 6542 return; 6543 } 6544 6545 if (DEBUG_PACKAGE_SCANNING) { 6546 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6547 + " flags=0x" + Integer.toHexString(parseFlags)); 6548 } 6549 6550 for (File file : files) { 6551 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6552 && !PackageInstallerService.isStageName(file.getName()); 6553 if (!isPackage) { 6554 // Ignore entries which are not packages 6555 continue; 6556 } 6557 try { 6558 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6559 scanFlags, currentTime, null); 6560 } catch (PackageManagerException e) { 6561 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6562 6563 // Delete invalid userdata apps 6564 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6565 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6566 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6567 removeCodePathLI(file); 6568 } 6569 } 6570 } 6571 } 6572 6573 private static File getSettingsProblemFile() { 6574 File dataDir = Environment.getDataDirectory(); 6575 File systemDir = new File(dataDir, "system"); 6576 File fname = new File(systemDir, "uiderrors.txt"); 6577 return fname; 6578 } 6579 6580 static void reportSettingsProblem(int priority, String msg) { 6581 logCriticalInfo(priority, msg); 6582 } 6583 6584 static void logCriticalInfo(int priority, String msg) { 6585 Slog.println(priority, TAG, msg); 6586 EventLogTags.writePmCriticalInfo(msg); 6587 try { 6588 File fname = getSettingsProblemFile(); 6589 FileOutputStream out = new FileOutputStream(fname, true); 6590 PrintWriter pw = new FastPrintWriter(out); 6591 SimpleDateFormat formatter = new SimpleDateFormat(); 6592 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6593 pw.println(dateString + ": " + msg); 6594 pw.close(); 6595 FileUtils.setPermissions( 6596 fname.toString(), 6597 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6598 -1, -1); 6599 } catch (java.io.IOException e) { 6600 } 6601 } 6602 6603 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6604 if (srcFile.isDirectory()) { 6605 final File baseFile = new File(pkg.baseCodePath); 6606 long maxModifiedTime = baseFile.lastModified(); 6607 if (pkg.splitCodePaths != null) { 6608 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6609 final File splitFile = new File(pkg.splitCodePaths[i]); 6610 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6611 } 6612 } 6613 return maxModifiedTime; 6614 } 6615 return srcFile.lastModified(); 6616 } 6617 6618 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6619 final int policyFlags) throws PackageManagerException { 6620 if (ps != null 6621 && ps.codePath.equals(srcFile) 6622 && ps.timeStamp == getLastModifiedTime(pkg, srcFile) 6623 && !isCompatSignatureUpdateNeeded(pkg) 6624 && !isRecoverSignatureUpdateNeeded(pkg)) { 6625 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6626 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6627 ArraySet<PublicKey> signingKs; 6628 synchronized (mPackages) { 6629 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6630 } 6631 if (ps.signatures.mSignatures != null 6632 && ps.signatures.mSignatures.length != 0 6633 && signingKs != null) { 6634 // Optimization: reuse the existing cached certificates 6635 // if the package appears to be unchanged. 6636 pkg.mSignatures = ps.signatures.mSignatures; 6637 pkg.mSigningKeys = signingKs; 6638 return; 6639 } 6640 6641 Slog.w(TAG, "PackageSetting for " + ps.name 6642 + " is missing signatures. Collecting certs again to recover them."); 6643 } else { 6644 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6645 } 6646 6647 try { 6648 PackageParser.collectCertificates(pkg, policyFlags); 6649 } catch (PackageParserException e) { 6650 throw PackageManagerException.from(e); 6651 } 6652 } 6653 6654 /** 6655 * Traces a package scan. 6656 * @see #scanPackageLI(File, int, int, long, UserHandle) 6657 */ 6658 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6659 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6660 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6661 try { 6662 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6663 } finally { 6664 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6665 } 6666 } 6667 6668 /** 6669 * Scans a package and returns the newly parsed package. 6670 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6671 */ 6672 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6673 long currentTime, UserHandle user) throws PackageManagerException { 6674 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6675 PackageParser pp = new PackageParser(); 6676 pp.setSeparateProcesses(mSeparateProcesses); 6677 pp.setOnlyCoreApps(mOnlyCore); 6678 pp.setDisplayMetrics(mMetrics); 6679 6680 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6681 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6682 } 6683 6684 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6685 final PackageParser.Package pkg; 6686 try { 6687 pkg = pp.parsePackage(scanFile, parseFlags); 6688 } catch (PackageParserException e) { 6689 throw PackageManagerException.from(e); 6690 } finally { 6691 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6692 } 6693 6694 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6695 } 6696 6697 /** 6698 * Scans a package and returns the newly parsed package. 6699 * @throws PackageManagerException on a parse error. 6700 */ 6701 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6702 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6703 throws PackageManagerException { 6704 // If the package has children and this is the first dive in the function 6705 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6706 // packages (parent and children) would be successfully scanned before the 6707 // actual scan since scanning mutates internal state and we want to atomically 6708 // install the package and its children. 6709 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6710 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6711 scanFlags |= SCAN_CHECK_ONLY; 6712 } 6713 } else { 6714 scanFlags &= ~SCAN_CHECK_ONLY; 6715 } 6716 6717 // Scan the parent 6718 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6719 scanFlags, currentTime, user); 6720 6721 // Scan the children 6722 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6723 for (int i = 0; i < childCount; i++) { 6724 PackageParser.Package childPackage = pkg.childPackages.get(i); 6725 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6726 currentTime, user); 6727 } 6728 6729 6730 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6731 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6732 } 6733 6734 return scannedPkg; 6735 } 6736 6737 /** 6738 * Scans a package and returns the newly parsed package. 6739 * @throws PackageManagerException on a parse error. 6740 */ 6741 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6742 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6743 throws PackageManagerException { 6744 PackageSetting ps = null; 6745 PackageSetting updatedPkg; 6746 // reader 6747 synchronized (mPackages) { 6748 // Look to see if we already know about this package. 6749 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6750 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6751 // This package has been renamed to its original name. Let's 6752 // use that. 6753 ps = mSettings.peekPackageLPr(oldName); 6754 } 6755 // If there was no original package, see one for the real package name. 6756 if (ps == null) { 6757 ps = mSettings.peekPackageLPr(pkg.packageName); 6758 } 6759 // Check to see if this package could be hiding/updating a system 6760 // package. Must look for it either under the original or real 6761 // package name depending on our state. 6762 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6763 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6764 6765 // If this is a package we don't know about on the system partition, we 6766 // may need to remove disabled child packages on the system partition 6767 // or may need to not add child packages if the parent apk is updated 6768 // on the data partition and no longer defines this child package. 6769 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6770 // If this is a parent package for an updated system app and this system 6771 // app got an OTA update which no longer defines some of the child packages 6772 // we have to prune them from the disabled system packages. 6773 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6774 if (disabledPs != null) { 6775 final int scannedChildCount = (pkg.childPackages != null) 6776 ? pkg.childPackages.size() : 0; 6777 final int disabledChildCount = disabledPs.childPackageNames != null 6778 ? disabledPs.childPackageNames.size() : 0; 6779 for (int i = 0; i < disabledChildCount; i++) { 6780 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6781 boolean disabledPackageAvailable = false; 6782 for (int j = 0; j < scannedChildCount; j++) { 6783 PackageParser.Package childPkg = pkg.childPackages.get(j); 6784 if (childPkg.packageName.equals(disabledChildPackageName)) { 6785 disabledPackageAvailable = true; 6786 break; 6787 } 6788 } 6789 if (!disabledPackageAvailable) { 6790 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6791 } 6792 } 6793 } 6794 } 6795 } 6796 6797 boolean updatedPkgBetter = false; 6798 // First check if this is a system package that may involve an update 6799 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6800 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6801 // it needs to drop FLAG_PRIVILEGED. 6802 if (locationIsPrivileged(scanFile)) { 6803 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6804 } else { 6805 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6806 } 6807 6808 if (ps != null && !ps.codePath.equals(scanFile)) { 6809 // The path has changed from what was last scanned... check the 6810 // version of the new path against what we have stored to determine 6811 // what to do. 6812 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6813 if (pkg.mVersionCode <= ps.versionCode) { 6814 // The system package has been updated and the code path does not match 6815 // Ignore entry. Skip it. 6816 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6817 + " ignored: updated version " + ps.versionCode 6818 + " better than this " + pkg.mVersionCode); 6819 if (!updatedPkg.codePath.equals(scanFile)) { 6820 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6821 + ps.name + " changing from " + updatedPkg.codePathString 6822 + " to " + scanFile); 6823 updatedPkg.codePath = scanFile; 6824 updatedPkg.codePathString = scanFile.toString(); 6825 updatedPkg.resourcePath = scanFile; 6826 updatedPkg.resourcePathString = scanFile.toString(); 6827 } 6828 updatedPkg.pkg = pkg; 6829 updatedPkg.versionCode = pkg.mVersionCode; 6830 6831 // Update the disabled system child packages to point to the package too. 6832 final int childCount = updatedPkg.childPackageNames != null 6833 ? updatedPkg.childPackageNames.size() : 0; 6834 for (int i = 0; i < childCount; i++) { 6835 String childPackageName = updatedPkg.childPackageNames.get(i); 6836 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6837 childPackageName); 6838 if (updatedChildPkg != null) { 6839 updatedChildPkg.pkg = pkg; 6840 updatedChildPkg.versionCode = pkg.mVersionCode; 6841 } 6842 } 6843 6844 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6845 + scanFile + " ignored: updated version " + ps.versionCode 6846 + " better than this " + pkg.mVersionCode); 6847 } else { 6848 // The current app on the system partition is better than 6849 // what we have updated to on the data partition; switch 6850 // back to the system partition version. 6851 // At this point, its safely assumed that package installation for 6852 // apps in system partition will go through. If not there won't be a working 6853 // version of the app 6854 // writer 6855 synchronized (mPackages) { 6856 // Just remove the loaded entries from package lists. 6857 mPackages.remove(ps.name); 6858 } 6859 6860 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6861 + " reverting from " + ps.codePathString 6862 + ": new version " + pkg.mVersionCode 6863 + " better than installed " + ps.versionCode); 6864 6865 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6866 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6867 synchronized (mInstallLock) { 6868 args.cleanUpResourcesLI(); 6869 } 6870 synchronized (mPackages) { 6871 mSettings.enableSystemPackageLPw(ps.name); 6872 } 6873 updatedPkgBetter = true; 6874 } 6875 } 6876 } 6877 6878 if (updatedPkg != null) { 6879 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6880 // initially 6881 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6882 6883 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6884 // flag set initially 6885 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6886 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6887 } 6888 } 6889 6890 // Verify certificates against what was last scanned 6891 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6892 6893 /* 6894 * A new system app appeared, but we already had a non-system one of the 6895 * same name installed earlier. 6896 */ 6897 boolean shouldHideSystemApp = false; 6898 if (updatedPkg == null && ps != null 6899 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6900 /* 6901 * Check to make sure the signatures match first. If they don't, 6902 * wipe the installed application and its data. 6903 */ 6904 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6905 != PackageManager.SIGNATURE_MATCH) { 6906 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6907 + " signatures don't match existing userdata copy; removing"); 6908 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6909 "scanPackageInternalLI")) { 6910 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6911 } 6912 ps = null; 6913 } else { 6914 /* 6915 * If the newly-added system app is an older version than the 6916 * already installed version, hide it. It will be scanned later 6917 * and re-added like an update. 6918 */ 6919 if (pkg.mVersionCode <= ps.versionCode) { 6920 shouldHideSystemApp = true; 6921 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6922 + " but new version " + pkg.mVersionCode + " better than installed " 6923 + ps.versionCode + "; hiding system"); 6924 } else { 6925 /* 6926 * The newly found system app is a newer version that the 6927 * one previously installed. Simply remove the 6928 * already-installed application and replace it with our own 6929 * while keeping the application data. 6930 */ 6931 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6932 + " reverting from " + ps.codePathString + ": new version " 6933 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6934 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6935 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6936 synchronized (mInstallLock) { 6937 args.cleanUpResourcesLI(); 6938 } 6939 } 6940 } 6941 } 6942 6943 // The apk is forward locked (not public) if its code and resources 6944 // are kept in different files. (except for app in either system or 6945 // vendor path). 6946 // TODO grab this value from PackageSettings 6947 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6948 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6949 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6950 } 6951 } 6952 6953 // TODO: extend to support forward-locked splits 6954 String resourcePath = null; 6955 String baseResourcePath = null; 6956 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6957 if (ps != null && ps.resourcePathString != null) { 6958 resourcePath = ps.resourcePathString; 6959 baseResourcePath = ps.resourcePathString; 6960 } else { 6961 // Should not happen at all. Just log an error. 6962 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6963 } 6964 } else { 6965 resourcePath = pkg.codePath; 6966 baseResourcePath = pkg.baseCodePath; 6967 } 6968 6969 // Set application objects path explicitly. 6970 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6971 pkg.setApplicationInfoCodePath(pkg.codePath); 6972 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6973 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6974 pkg.setApplicationInfoResourcePath(resourcePath); 6975 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6976 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6977 6978 // Note that we invoke the following method only if we are about to unpack an application 6979 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 6980 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6981 6982 /* 6983 * If the system app should be overridden by a previously installed 6984 * data, hide the system app now and let the /data/app scan pick it up 6985 * again. 6986 */ 6987 if (shouldHideSystemApp) { 6988 synchronized (mPackages) { 6989 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6990 } 6991 } 6992 6993 return scannedPkg; 6994 } 6995 6996 private static String fixProcessName(String defProcessName, 6997 String processName, int uid) { 6998 if (processName == null) { 6999 return defProcessName; 7000 } 7001 return processName; 7002 } 7003 7004 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7005 throws PackageManagerException { 7006 if (pkgSetting.signatures.mSignatures != null) { 7007 // Already existing package. Make sure signatures match 7008 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7009 == PackageManager.SIGNATURE_MATCH; 7010 if (!match) { 7011 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7012 == PackageManager.SIGNATURE_MATCH; 7013 } 7014 if (!match) { 7015 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7016 == PackageManager.SIGNATURE_MATCH; 7017 } 7018 if (!match) { 7019 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7020 + pkg.packageName + " signatures do not match the " 7021 + "previously installed version; ignoring!"); 7022 } 7023 } 7024 7025 // Check for shared user signatures 7026 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7027 // Already existing package. Make sure signatures match 7028 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7029 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7030 if (!match) { 7031 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7032 == PackageManager.SIGNATURE_MATCH; 7033 } 7034 if (!match) { 7035 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7036 == PackageManager.SIGNATURE_MATCH; 7037 } 7038 if (!match) { 7039 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7040 "Package " + pkg.packageName 7041 + " has no signatures that match those in shared user " 7042 + pkgSetting.sharedUser.name + "; ignoring!"); 7043 } 7044 } 7045 } 7046 7047 /** 7048 * Enforces that only the system UID or root's UID can call a method exposed 7049 * via Binder. 7050 * 7051 * @param message used as message if SecurityException is thrown 7052 * @throws SecurityException if the caller is not system or root 7053 */ 7054 private static final void enforceSystemOrRoot(String message) { 7055 final int uid = Binder.getCallingUid(); 7056 if (uid != Process.SYSTEM_UID && uid != 0) { 7057 throw new SecurityException(message); 7058 } 7059 } 7060 7061 @Override 7062 public void performFstrimIfNeeded() { 7063 enforceSystemOrRoot("Only the system can request fstrim"); 7064 7065 // Before everything else, see whether we need to fstrim. 7066 try { 7067 IMountService ms = PackageHelper.getMountService(); 7068 if (ms != null) { 7069 boolean doTrim = false; 7070 final long interval = android.provider.Settings.Global.getLong( 7071 mContext.getContentResolver(), 7072 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7073 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7074 if (interval > 0) { 7075 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7076 if (timeSinceLast > interval) { 7077 doTrim = true; 7078 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7079 + "; running immediately"); 7080 } 7081 } 7082 if (doTrim) { 7083 if (!isFirstBoot()) { 7084 try { 7085 ActivityManagerNative.getDefault().showBootMessage( 7086 mContext.getResources().getString( 7087 R.string.android_upgrading_fstrim), true); 7088 } catch (RemoteException e) { 7089 } 7090 } 7091 ms.runMaintenance(); 7092 } 7093 } else { 7094 Slog.e(TAG, "Mount service unavailable!"); 7095 } 7096 } catch (RemoteException e) { 7097 // Can't happen; MountService is local 7098 } 7099 } 7100 7101 @Override 7102 public void updatePackagesIfNeeded() { 7103 enforceSystemOrRoot("Only the system can request package update"); 7104 7105 // We need to re-extract after an OTA. 7106 boolean causeUpgrade = isUpgrade(); 7107 7108 // First boot or factory reset. 7109 // Note: we also handle devices that are upgrading to N right now as if it is their 7110 // first boot, as they do not have profile data. 7111 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7112 7113 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7114 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7115 7116 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7117 return; 7118 } 7119 7120 List<PackageParser.Package> pkgs; 7121 synchronized (mPackages) { 7122 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7123 } 7124 7125 final long startTime = System.nanoTime(); 7126 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7127 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7128 7129 final int elapsedTimeSeconds = 7130 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7131 7132 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7133 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7134 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7135 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7136 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7137 } 7138 7139 /** 7140 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7141 * containing statistics about the invocation. The array consists of three elements, 7142 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7143 * and {@code numberOfPackagesFailed}. 7144 */ 7145 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7146 String compilerFilter) { 7147 7148 int numberOfPackagesVisited = 0; 7149 int numberOfPackagesOptimized = 0; 7150 int numberOfPackagesSkipped = 0; 7151 int numberOfPackagesFailed = 0; 7152 final int numberOfPackagesToDexopt = pkgs.size(); 7153 7154 for (PackageParser.Package pkg : pkgs) { 7155 numberOfPackagesVisited++; 7156 7157 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7158 if (DEBUG_DEXOPT) { 7159 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7160 } 7161 numberOfPackagesSkipped++; 7162 continue; 7163 } 7164 7165 if (DEBUG_DEXOPT) { 7166 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7167 numberOfPackagesToDexopt + ": " + pkg.packageName); 7168 } 7169 7170 if (showDialog) { 7171 try { 7172 ActivityManagerNative.getDefault().showBootMessage( 7173 mContext.getResources().getString(R.string.android_upgrading_apk, 7174 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7175 } catch (RemoteException e) { 7176 } 7177 } 7178 7179 // If the OTA updates a system app which was previously preopted to a non-preopted state 7180 // the app might end up being verified at runtime. That's because by default the apps 7181 // are verify-profile but for preopted apps there's no profile. 7182 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7183 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7184 // filter (by default interpret-only). 7185 // Note that at this stage unused apps are already filtered. 7186 if (isSystemApp(pkg) && 7187 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7188 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7189 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7190 } 7191 7192 // checkProfiles is false to avoid merging profiles during boot which 7193 // might interfere with background compilation (b/28612421). 7194 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7195 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7196 // trade-off worth doing to save boot time work. 7197 int dexOptStatus = performDexOptTraced(pkg.packageName, 7198 false /* checkProfiles */, 7199 compilerFilter, 7200 false /* force */); 7201 switch (dexOptStatus) { 7202 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7203 numberOfPackagesOptimized++; 7204 break; 7205 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7206 numberOfPackagesSkipped++; 7207 break; 7208 case PackageDexOptimizer.DEX_OPT_FAILED: 7209 numberOfPackagesFailed++; 7210 break; 7211 default: 7212 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7213 break; 7214 } 7215 } 7216 7217 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7218 numberOfPackagesFailed }; 7219 } 7220 7221 @Override 7222 public void notifyPackageUse(String packageName, int reason) { 7223 synchronized (mPackages) { 7224 PackageParser.Package p = mPackages.get(packageName); 7225 if (p == null) { 7226 return; 7227 } 7228 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7229 } 7230 } 7231 7232 // TODO: this is not used nor needed. Delete it. 7233 @Override 7234 public boolean performDexOptIfNeeded(String packageName) { 7235 int dexOptStatus = performDexOptTraced(packageName, 7236 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7237 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7238 } 7239 7240 @Override 7241 public boolean performDexOpt(String packageName, 7242 boolean checkProfiles, int compileReason, boolean force) { 7243 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7244 getCompilerFilterForReason(compileReason), force); 7245 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7246 } 7247 7248 @Override 7249 public boolean performDexOptMode(String packageName, 7250 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7251 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7252 targetCompilerFilter, force); 7253 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7254 } 7255 7256 private int performDexOptTraced(String packageName, 7257 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7258 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7259 try { 7260 return performDexOptInternal(packageName, checkProfiles, 7261 targetCompilerFilter, force); 7262 } finally { 7263 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7264 } 7265 } 7266 7267 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7268 // if the package can now be considered up to date for the given filter. 7269 private int performDexOptInternal(String packageName, 7270 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7271 PackageParser.Package p; 7272 synchronized (mPackages) { 7273 p = mPackages.get(packageName); 7274 if (p == null) { 7275 // Package could not be found. Report failure. 7276 return PackageDexOptimizer.DEX_OPT_FAILED; 7277 } 7278 mPackageUsage.maybeWriteAsync(mPackages); 7279 mCompilerStats.maybeWriteAsync(); 7280 } 7281 long callingId = Binder.clearCallingIdentity(); 7282 try { 7283 synchronized (mInstallLock) { 7284 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7285 targetCompilerFilter, force); 7286 } 7287 } finally { 7288 Binder.restoreCallingIdentity(callingId); 7289 } 7290 } 7291 7292 public ArraySet<String> getOptimizablePackages() { 7293 ArraySet<String> pkgs = new ArraySet<String>(); 7294 synchronized (mPackages) { 7295 for (PackageParser.Package p : mPackages.values()) { 7296 if (PackageDexOptimizer.canOptimizePackage(p)) { 7297 pkgs.add(p.packageName); 7298 } 7299 } 7300 } 7301 return pkgs; 7302 } 7303 7304 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7305 boolean checkProfiles, String targetCompilerFilter, 7306 boolean force) { 7307 // Select the dex optimizer based on the force parameter. 7308 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7309 // allocate an object here. 7310 PackageDexOptimizer pdo = force 7311 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7312 : mPackageDexOptimizer; 7313 7314 // Optimize all dependencies first. Note: we ignore the return value and march on 7315 // on errors. 7316 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7317 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7318 if (!deps.isEmpty()) { 7319 for (PackageParser.Package depPackage : deps) { 7320 // TODO: Analyze and investigate if we (should) profile libraries. 7321 // Currently this will do a full compilation of the library by default. 7322 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7323 false /* checkProfiles */, 7324 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7325 getOrCreateCompilerPackageStats(depPackage)); 7326 } 7327 } 7328 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7329 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7330 } 7331 7332 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7333 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7334 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7335 Set<String> collectedNames = new HashSet<>(); 7336 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7337 7338 retValue.remove(p); 7339 7340 return retValue; 7341 } else { 7342 return Collections.emptyList(); 7343 } 7344 } 7345 7346 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7347 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7348 if (!collectedNames.contains(p.packageName)) { 7349 collectedNames.add(p.packageName); 7350 collected.add(p); 7351 7352 if (p.usesLibraries != null) { 7353 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7354 } 7355 if (p.usesOptionalLibraries != null) { 7356 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7357 collectedNames); 7358 } 7359 } 7360 } 7361 7362 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7363 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7364 for (String libName : libs) { 7365 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7366 if (libPkg != null) { 7367 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7368 } 7369 } 7370 } 7371 7372 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7373 synchronized (mPackages) { 7374 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7375 if (lib != null && lib.apk != null) { 7376 return mPackages.get(lib.apk); 7377 } 7378 } 7379 return null; 7380 } 7381 7382 public void shutdown() { 7383 mPackageUsage.writeNow(mPackages); 7384 mCompilerStats.writeNow(); 7385 } 7386 7387 @Override 7388 public void dumpProfiles(String packageName) { 7389 PackageParser.Package pkg; 7390 synchronized (mPackages) { 7391 pkg = mPackages.get(packageName); 7392 if (pkg == null) { 7393 throw new IllegalArgumentException("Unknown package: " + packageName); 7394 } 7395 } 7396 /* Only the shell, root, or the app user should be able to dump profiles. */ 7397 int callingUid = Binder.getCallingUid(); 7398 if (callingUid != Process.SHELL_UID && 7399 callingUid != Process.ROOT_UID && 7400 callingUid != pkg.applicationInfo.uid) { 7401 throw new SecurityException("dumpProfiles"); 7402 } 7403 7404 synchronized (mInstallLock) { 7405 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7406 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7407 try { 7408 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7409 String gid = Integer.toString(sharedGid); 7410 String codePaths = TextUtils.join(";", allCodePaths); 7411 mInstaller.dumpProfiles(gid, packageName, codePaths); 7412 } catch (InstallerException e) { 7413 Slog.w(TAG, "Failed to dump profiles", e); 7414 } 7415 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7416 } 7417 } 7418 7419 @Override 7420 public void forceDexOpt(String packageName) { 7421 enforceSystemOrRoot("forceDexOpt"); 7422 7423 PackageParser.Package pkg; 7424 synchronized (mPackages) { 7425 pkg = mPackages.get(packageName); 7426 if (pkg == null) { 7427 throw new IllegalArgumentException("Unknown package: " + packageName); 7428 } 7429 } 7430 7431 synchronized (mInstallLock) { 7432 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7433 7434 // Whoever is calling forceDexOpt wants a fully compiled package. 7435 // Don't use profiles since that may cause compilation to be skipped. 7436 final int res = performDexOptInternalWithDependenciesLI(pkg, 7437 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7438 true /* force */); 7439 7440 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7441 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7442 throw new IllegalStateException("Failed to dexopt: " + res); 7443 } 7444 } 7445 } 7446 7447 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7448 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7449 Slog.w(TAG, "Unable to update from " + oldPkg.name 7450 + " to " + newPkg.packageName 7451 + ": old package not in system partition"); 7452 return false; 7453 } else if (mPackages.get(oldPkg.name) != null) { 7454 Slog.w(TAG, "Unable to update from " + oldPkg.name 7455 + " to " + newPkg.packageName 7456 + ": old package still exists"); 7457 return false; 7458 } 7459 return true; 7460 } 7461 7462 void removeCodePathLI(File codePath) { 7463 if (codePath.isDirectory()) { 7464 try { 7465 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7466 } catch (InstallerException e) { 7467 Slog.w(TAG, "Failed to remove code path", e); 7468 } 7469 } else { 7470 codePath.delete(); 7471 } 7472 } 7473 7474 private int[] resolveUserIds(int userId) { 7475 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7476 } 7477 7478 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7479 if (pkg == null) { 7480 Slog.wtf(TAG, "Package was null!", new Throwable()); 7481 return; 7482 } 7483 clearAppDataLeafLIF(pkg, userId, flags); 7484 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7485 for (int i = 0; i < childCount; i++) { 7486 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7487 } 7488 } 7489 7490 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7491 final PackageSetting ps; 7492 synchronized (mPackages) { 7493 ps = mSettings.mPackages.get(pkg.packageName); 7494 } 7495 for (int realUserId : resolveUserIds(userId)) { 7496 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7497 try { 7498 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7499 ceDataInode); 7500 } catch (InstallerException e) { 7501 Slog.w(TAG, String.valueOf(e)); 7502 } 7503 } 7504 } 7505 7506 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7507 if (pkg == null) { 7508 Slog.wtf(TAG, "Package was null!", new Throwable()); 7509 return; 7510 } 7511 destroyAppDataLeafLIF(pkg, userId, flags); 7512 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7513 for (int i = 0; i < childCount; i++) { 7514 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7515 } 7516 } 7517 7518 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7519 final PackageSetting ps; 7520 synchronized (mPackages) { 7521 ps = mSettings.mPackages.get(pkg.packageName); 7522 } 7523 for (int realUserId : resolveUserIds(userId)) { 7524 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7525 try { 7526 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7527 ceDataInode); 7528 } catch (InstallerException e) { 7529 Slog.w(TAG, String.valueOf(e)); 7530 } 7531 } 7532 } 7533 7534 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7535 if (pkg == null) { 7536 Slog.wtf(TAG, "Package was null!", new Throwable()); 7537 return; 7538 } 7539 destroyAppProfilesLeafLIF(pkg); 7540 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7541 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7542 for (int i = 0; i < childCount; i++) { 7543 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7544 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7545 true /* removeBaseMarker */); 7546 } 7547 } 7548 7549 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7550 boolean removeBaseMarker) { 7551 if (pkg.isForwardLocked()) { 7552 return; 7553 } 7554 7555 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7556 try { 7557 path = PackageManagerServiceUtils.realpath(new File(path)); 7558 } catch (IOException e) { 7559 // TODO: Should we return early here ? 7560 Slog.w(TAG, "Failed to get canonical path", e); 7561 continue; 7562 } 7563 7564 final String useMarker = path.replace('/', '@'); 7565 for (int realUserId : resolveUserIds(userId)) { 7566 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7567 if (removeBaseMarker) { 7568 File foreignUseMark = new File(profileDir, useMarker); 7569 if (foreignUseMark.exists()) { 7570 if (!foreignUseMark.delete()) { 7571 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7572 + pkg.packageName); 7573 } 7574 } 7575 } 7576 7577 File[] markers = profileDir.listFiles(); 7578 if (markers != null) { 7579 final String searchString = "@" + pkg.packageName + "@"; 7580 // We also delete all markers that contain the package name we're 7581 // uninstalling. These are associated with secondary dex-files belonging 7582 // to the package. Reconstructing the path of these dex files is messy 7583 // in general. 7584 for (File marker : markers) { 7585 if (marker.getName().indexOf(searchString) > 0) { 7586 if (!marker.delete()) { 7587 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7588 + pkg.packageName); 7589 } 7590 } 7591 } 7592 } 7593 } 7594 } 7595 } 7596 7597 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7598 try { 7599 mInstaller.destroyAppProfiles(pkg.packageName); 7600 } catch (InstallerException e) { 7601 Slog.w(TAG, String.valueOf(e)); 7602 } 7603 } 7604 7605 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7606 if (pkg == null) { 7607 Slog.wtf(TAG, "Package was null!", new Throwable()); 7608 return; 7609 } 7610 clearAppProfilesLeafLIF(pkg); 7611 // We don't remove the base foreign use marker when clearing profiles because 7612 // we will rename it when the app is updated. Unlike the actual profile contents, 7613 // the foreign use marker is good across installs. 7614 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7615 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7616 for (int i = 0; i < childCount; i++) { 7617 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7618 } 7619 } 7620 7621 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7622 try { 7623 mInstaller.clearAppProfiles(pkg.packageName); 7624 } catch (InstallerException e) { 7625 Slog.w(TAG, String.valueOf(e)); 7626 } 7627 } 7628 7629 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7630 long lastUpdateTime) { 7631 // Set parent install/update time 7632 PackageSetting ps = (PackageSetting) pkg.mExtras; 7633 if (ps != null) { 7634 ps.firstInstallTime = firstInstallTime; 7635 ps.lastUpdateTime = lastUpdateTime; 7636 } 7637 // Set children install/update time 7638 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7639 for (int i = 0; i < childCount; i++) { 7640 PackageParser.Package childPkg = pkg.childPackages.get(i); 7641 ps = (PackageSetting) childPkg.mExtras; 7642 if (ps != null) { 7643 ps.firstInstallTime = firstInstallTime; 7644 ps.lastUpdateTime = lastUpdateTime; 7645 } 7646 } 7647 } 7648 7649 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7650 PackageParser.Package changingLib) { 7651 if (file.path != null) { 7652 usesLibraryFiles.add(file.path); 7653 return; 7654 } 7655 PackageParser.Package p = mPackages.get(file.apk); 7656 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7657 // If we are doing this while in the middle of updating a library apk, 7658 // then we need to make sure to use that new apk for determining the 7659 // dependencies here. (We haven't yet finished committing the new apk 7660 // to the package manager state.) 7661 if (p == null || p.packageName.equals(changingLib.packageName)) { 7662 p = changingLib; 7663 } 7664 } 7665 if (p != null) { 7666 usesLibraryFiles.addAll(p.getAllCodePaths()); 7667 } 7668 } 7669 7670 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7671 PackageParser.Package changingLib) throws PackageManagerException { 7672 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7673 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7674 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7675 for (int i=0; i<N; i++) { 7676 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7677 if (file == null) { 7678 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7679 "Package " + pkg.packageName + " requires unavailable shared library " 7680 + pkg.usesLibraries.get(i) + "; failing!"); 7681 } 7682 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7683 } 7684 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7685 for (int i=0; i<N; i++) { 7686 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7687 if (file == null) { 7688 Slog.w(TAG, "Package " + pkg.packageName 7689 + " desires unavailable shared library " 7690 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7691 } else { 7692 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7693 } 7694 } 7695 N = usesLibraryFiles.size(); 7696 if (N > 0) { 7697 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7698 } else { 7699 pkg.usesLibraryFiles = null; 7700 } 7701 } 7702 } 7703 7704 private static boolean hasString(List<String> list, List<String> which) { 7705 if (list == null) { 7706 return false; 7707 } 7708 for (int i=list.size()-1; i>=0; i--) { 7709 for (int j=which.size()-1; j>=0; j--) { 7710 if (which.get(j).equals(list.get(i))) { 7711 return true; 7712 } 7713 } 7714 } 7715 return false; 7716 } 7717 7718 private void updateAllSharedLibrariesLPw() { 7719 for (PackageParser.Package pkg : mPackages.values()) { 7720 try { 7721 updateSharedLibrariesLPw(pkg, null); 7722 } catch (PackageManagerException e) { 7723 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7724 } 7725 } 7726 } 7727 7728 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7729 PackageParser.Package changingPkg) { 7730 ArrayList<PackageParser.Package> res = null; 7731 for (PackageParser.Package pkg : mPackages.values()) { 7732 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7733 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7734 if (res == null) { 7735 res = new ArrayList<PackageParser.Package>(); 7736 } 7737 res.add(pkg); 7738 try { 7739 updateSharedLibrariesLPw(pkg, changingPkg); 7740 } catch (PackageManagerException e) { 7741 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7742 } 7743 } 7744 } 7745 return res; 7746 } 7747 7748 /** 7749 * Derive the value of the {@code cpuAbiOverride} based on the provided 7750 * value and an optional stored value from the package settings. 7751 */ 7752 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7753 String cpuAbiOverride = null; 7754 7755 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7756 cpuAbiOverride = null; 7757 } else if (abiOverride != null) { 7758 cpuAbiOverride = abiOverride; 7759 } else if (settings != null) { 7760 cpuAbiOverride = settings.cpuAbiOverrideString; 7761 } 7762 7763 return cpuAbiOverride; 7764 } 7765 7766 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7767 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7768 throws PackageManagerException { 7769 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7770 // If the package has children and this is the first dive in the function 7771 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7772 // whether all packages (parent and children) would be successfully scanned 7773 // before the actual scan since scanning mutates internal state and we want 7774 // to atomically install the package and its children. 7775 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7776 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7777 scanFlags |= SCAN_CHECK_ONLY; 7778 } 7779 } else { 7780 scanFlags &= ~SCAN_CHECK_ONLY; 7781 } 7782 7783 final PackageParser.Package scannedPkg; 7784 try { 7785 // Scan the parent 7786 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7787 // Scan the children 7788 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7789 for (int i = 0; i < childCount; i++) { 7790 PackageParser.Package childPkg = pkg.childPackages.get(i); 7791 scanPackageLI(childPkg, policyFlags, 7792 scanFlags, currentTime, user); 7793 } 7794 } finally { 7795 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7796 } 7797 7798 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7799 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7800 } 7801 7802 return scannedPkg; 7803 } 7804 7805 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7806 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7807 boolean success = false; 7808 try { 7809 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7810 currentTime, user); 7811 success = true; 7812 return res; 7813 } finally { 7814 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7815 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7816 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7817 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7818 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7819 } 7820 } 7821 } 7822 7823 /** 7824 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7825 */ 7826 private static boolean apkHasCode(String fileName) { 7827 StrictJarFile jarFile = null; 7828 try { 7829 jarFile = new StrictJarFile(fileName, 7830 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7831 return jarFile.findEntry("classes.dex") != null; 7832 } catch (IOException ignore) { 7833 } finally { 7834 try { 7835 if (jarFile != null) { 7836 jarFile.close(); 7837 } 7838 } catch (IOException ignore) {} 7839 } 7840 return false; 7841 } 7842 7843 /** 7844 * Enforces code policy for the package. This ensures that if an APK has 7845 * declared hasCode="true" in its manifest that the APK actually contains 7846 * code. 7847 * 7848 * @throws PackageManagerException If bytecode could not be found when it should exist 7849 */ 7850 private static void enforceCodePolicy(PackageParser.Package pkg) 7851 throws PackageManagerException { 7852 final boolean shouldHaveCode = 7853 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7854 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7855 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7856 "Package " + pkg.baseCodePath + " code is missing"); 7857 } 7858 7859 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7860 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7861 final boolean splitShouldHaveCode = 7862 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7863 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7864 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7865 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7866 } 7867 } 7868 } 7869 } 7870 7871 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7872 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7873 throws PackageManagerException { 7874 final File scanFile = new File(pkg.codePath); 7875 if (pkg.applicationInfo.getCodePath() == null || 7876 pkg.applicationInfo.getResourcePath() == null) { 7877 // Bail out. The resource and code paths haven't been set. 7878 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7879 "Code and resource paths haven't been set correctly"); 7880 } 7881 7882 // Apply policy 7883 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7884 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7885 if (pkg.applicationInfo.isDirectBootAware()) { 7886 // we're direct boot aware; set for all components 7887 for (PackageParser.Service s : pkg.services) { 7888 s.info.encryptionAware = s.info.directBootAware = true; 7889 } 7890 for (PackageParser.Provider p : pkg.providers) { 7891 p.info.encryptionAware = p.info.directBootAware = true; 7892 } 7893 for (PackageParser.Activity a : pkg.activities) { 7894 a.info.encryptionAware = a.info.directBootAware = true; 7895 } 7896 for (PackageParser.Activity r : pkg.receivers) { 7897 r.info.encryptionAware = r.info.directBootAware = true; 7898 } 7899 } 7900 } else { 7901 // Only allow system apps to be flagged as core apps. 7902 pkg.coreApp = false; 7903 // clear flags not applicable to regular apps 7904 pkg.applicationInfo.privateFlags &= 7905 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7906 pkg.applicationInfo.privateFlags &= 7907 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7908 } 7909 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7910 7911 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7912 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7913 } 7914 7915 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7916 enforceCodePolicy(pkg); 7917 } 7918 7919 if (mCustomResolverComponentName != null && 7920 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7921 setUpCustomResolverActivity(pkg); 7922 } 7923 7924 if (pkg.packageName.equals("android")) { 7925 synchronized (mPackages) { 7926 if (mAndroidApplication != null) { 7927 Slog.w(TAG, "*************************************************"); 7928 Slog.w(TAG, "Core android package being redefined. Skipping."); 7929 Slog.w(TAG, " file=" + scanFile); 7930 Slog.w(TAG, "*************************************************"); 7931 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7932 "Core android package being redefined. Skipping."); 7933 } 7934 7935 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7936 // Set up information for our fall-back user intent resolution activity. 7937 mPlatformPackage = pkg; 7938 pkg.mVersionCode = mSdkVersion; 7939 mAndroidApplication = pkg.applicationInfo; 7940 7941 if (!mResolverReplaced) { 7942 mResolveActivity.applicationInfo = mAndroidApplication; 7943 mResolveActivity.name = ResolverActivity.class.getName(); 7944 mResolveActivity.packageName = mAndroidApplication.packageName; 7945 mResolveActivity.processName = "system:ui"; 7946 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7947 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7948 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7949 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7950 mResolveActivity.exported = true; 7951 mResolveActivity.enabled = true; 7952 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7953 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7954 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7955 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7956 | ActivityInfo.CONFIG_ORIENTATION 7957 | ActivityInfo.CONFIG_KEYBOARD 7958 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7959 mResolveInfo.activityInfo = mResolveActivity; 7960 mResolveInfo.priority = 0; 7961 mResolveInfo.preferredOrder = 0; 7962 mResolveInfo.match = 0; 7963 mResolveComponentName = new ComponentName( 7964 mAndroidApplication.packageName, mResolveActivity.name); 7965 } 7966 } 7967 } 7968 } 7969 7970 if (DEBUG_PACKAGE_SCANNING) { 7971 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7972 Log.d(TAG, "Scanning package " + pkg.packageName); 7973 } 7974 7975 synchronized (mPackages) { 7976 if (mPackages.containsKey(pkg.packageName) 7977 || mSharedLibraries.containsKey(pkg.packageName)) { 7978 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7979 "Application package " + pkg.packageName 7980 + " already installed. Skipping duplicate."); 7981 } 7982 7983 // If we're only installing presumed-existing packages, require that the 7984 // scanned APK is both already known and at the path previously established 7985 // for it. Previously unknown packages we pick up normally, but if we have an 7986 // a priori expectation about this package's install presence, enforce it. 7987 // With a singular exception for new system packages. When an OTA contains 7988 // a new system package, we allow the codepath to change from a system location 7989 // to the user-installed location. If we don't allow this change, any newer, 7990 // user-installed version of the application will be ignored. 7991 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7992 if (mExpectingBetter.containsKey(pkg.packageName)) { 7993 logCriticalInfo(Log.WARN, 7994 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7995 } else { 7996 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7997 if (known != null) { 7998 if (DEBUG_PACKAGE_SCANNING) { 7999 Log.d(TAG, "Examining " + pkg.codePath 8000 + " and requiring known paths " + known.codePathString 8001 + " & " + known.resourcePathString); 8002 } 8003 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8004 || !pkg.applicationInfo.getResourcePath().equals( 8005 known.resourcePathString)) { 8006 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8007 "Application package " + pkg.packageName 8008 + " found at " + pkg.applicationInfo.getCodePath() 8009 + " but expected at " + known.codePathString 8010 + "; ignoring."); 8011 } 8012 } 8013 } 8014 } 8015 } 8016 8017 // Initialize package source and resource directories 8018 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8019 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8020 8021 SharedUserSetting suid = null; 8022 PackageSetting pkgSetting = null; 8023 8024 if (!isSystemApp(pkg)) { 8025 // Only system apps can use these features. 8026 pkg.mOriginalPackages = null; 8027 pkg.mRealPackage = null; 8028 pkg.mAdoptPermissions = null; 8029 } 8030 8031 // Getting the package setting may have a side-effect, so if we 8032 // are only checking if scan would succeed, stash a copy of the 8033 // old setting to restore at the end. 8034 PackageSetting nonMutatedPs = null; 8035 8036 // writer 8037 synchronized (mPackages) { 8038 if (pkg.mSharedUserId != null) { 8039 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8040 if (suid == null) { 8041 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8042 "Creating application package " + pkg.packageName 8043 + " for shared user failed"); 8044 } 8045 if (DEBUG_PACKAGE_SCANNING) { 8046 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8047 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8048 + "): packages=" + suid.packages); 8049 } 8050 } 8051 8052 // Check if we are renaming from an original package name. 8053 PackageSetting origPackage = null; 8054 String realName = null; 8055 if (pkg.mOriginalPackages != null) { 8056 // This package may need to be renamed to a previously 8057 // installed name. Let's check on that... 8058 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8059 if (pkg.mOriginalPackages.contains(renamed)) { 8060 // This package had originally been installed as the 8061 // original name, and we have already taken care of 8062 // transitioning to the new one. Just update the new 8063 // one to continue using the old name. 8064 realName = pkg.mRealPackage; 8065 if (!pkg.packageName.equals(renamed)) { 8066 // Callers into this function may have already taken 8067 // care of renaming the package; only do it here if 8068 // it is not already done. 8069 pkg.setPackageName(renamed); 8070 } 8071 8072 } else { 8073 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8074 if ((origPackage = mSettings.peekPackageLPr( 8075 pkg.mOriginalPackages.get(i))) != null) { 8076 // We do have the package already installed under its 8077 // original name... should we use it? 8078 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8079 // New package is not compatible with original. 8080 origPackage = null; 8081 continue; 8082 } else if (origPackage.sharedUser != null) { 8083 // Make sure uid is compatible between packages. 8084 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8085 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8086 + " to " + pkg.packageName + ": old uid " 8087 + origPackage.sharedUser.name 8088 + " differs from " + pkg.mSharedUserId); 8089 origPackage = null; 8090 continue; 8091 } 8092 // TODO: Add case when shared user id is added [b/28144775] 8093 } else { 8094 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8095 + pkg.packageName + " to old name " + origPackage.name); 8096 } 8097 break; 8098 } 8099 } 8100 } 8101 } 8102 8103 if (mTransferedPackages.contains(pkg.packageName)) { 8104 Slog.w(TAG, "Package " + pkg.packageName 8105 + " was transferred to another, but its .apk remains"); 8106 } 8107 8108 // See comments in nonMutatedPs declaration 8109 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8110 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8111 if (foundPs != null) { 8112 nonMutatedPs = new PackageSetting(foundPs); 8113 } 8114 } 8115 8116 // Just create the setting, don't add it yet. For already existing packages 8117 // the PkgSetting exists already and doesn't have to be created. 8118 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8119 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8120 pkg.applicationInfo.primaryCpuAbi, 8121 pkg.applicationInfo.secondaryCpuAbi, 8122 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8123 user, false); 8124 if (pkgSetting == null) { 8125 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8126 "Creating application package " + pkg.packageName + " failed"); 8127 } 8128 8129 if (pkgSetting.origPackage != null) { 8130 // If we are first transitioning from an original package, 8131 // fix up the new package's name now. We need to do this after 8132 // looking up the package under its new name, so getPackageLP 8133 // can take care of fiddling things correctly. 8134 pkg.setPackageName(origPackage.name); 8135 8136 // File a report about this. 8137 String msg = "New package " + pkgSetting.realName 8138 + " renamed to replace old package " + pkgSetting.name; 8139 reportSettingsProblem(Log.WARN, msg); 8140 8141 // Make a note of it. 8142 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8143 mTransferedPackages.add(origPackage.name); 8144 } 8145 8146 // No longer need to retain this. 8147 pkgSetting.origPackage = null; 8148 } 8149 8150 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8151 // Make a note of it. 8152 mTransferedPackages.add(pkg.packageName); 8153 } 8154 8155 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8156 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8157 } 8158 8159 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8160 // Check all shared libraries and map to their actual file path. 8161 // We only do this here for apps not on a system dir, because those 8162 // are the only ones that can fail an install due to this. We 8163 // will take care of the system apps by updating all of their 8164 // library paths after the scan is done. 8165 updateSharedLibrariesLPw(pkg, null); 8166 } 8167 8168 if (mFoundPolicyFile) { 8169 SELinuxMMAC.assignSeinfoValue(pkg); 8170 } 8171 8172 pkg.applicationInfo.uid = pkgSetting.appId; 8173 pkg.mExtras = pkgSetting; 8174 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8175 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8176 // We just determined the app is signed correctly, so bring 8177 // over the latest parsed certs. 8178 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8179 } else { 8180 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8181 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8182 "Package " + pkg.packageName + " upgrade keys do not match the " 8183 + "previously installed version"); 8184 } else { 8185 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8186 String msg = "System package " + pkg.packageName 8187 + " signature changed; retaining data."; 8188 reportSettingsProblem(Log.WARN, msg); 8189 } 8190 } 8191 } else { 8192 try { 8193 verifySignaturesLP(pkgSetting, pkg); 8194 // We just determined the app is signed correctly, so bring 8195 // over the latest parsed certs. 8196 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8197 } catch (PackageManagerException e) { 8198 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8199 throw e; 8200 } 8201 // The signature has changed, but this package is in the system 8202 // image... let's recover! 8203 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8204 // However... if this package is part of a shared user, but it 8205 // doesn't match the signature of the shared user, let's fail. 8206 // What this means is that you can't change the signatures 8207 // associated with an overall shared user, which doesn't seem all 8208 // that unreasonable. 8209 if (pkgSetting.sharedUser != null) { 8210 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8211 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8212 throw new PackageManagerException( 8213 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8214 "Signature mismatch for shared user: " 8215 + pkgSetting.sharedUser); 8216 } 8217 } 8218 // File a report about this. 8219 String msg = "System package " + pkg.packageName 8220 + " signature changed; retaining data."; 8221 reportSettingsProblem(Log.WARN, msg); 8222 } 8223 } 8224 // Verify that this new package doesn't have any content providers 8225 // that conflict with existing packages. Only do this if the 8226 // package isn't already installed, since we don't want to break 8227 // things that are installed. 8228 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8229 final int N = pkg.providers.size(); 8230 int i; 8231 for (i=0; i<N; i++) { 8232 PackageParser.Provider p = pkg.providers.get(i); 8233 if (p.info.authority != null) { 8234 String names[] = p.info.authority.split(";"); 8235 for (int j = 0; j < names.length; j++) { 8236 if (mProvidersByAuthority.containsKey(names[j])) { 8237 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8238 final String otherPackageName = 8239 ((other != null && other.getComponentName() != null) ? 8240 other.getComponentName().getPackageName() : "?"); 8241 throw new PackageManagerException( 8242 INSTALL_FAILED_CONFLICTING_PROVIDER, 8243 "Can't install because provider name " + names[j] 8244 + " (in package " + pkg.applicationInfo.packageName 8245 + ") is already used by " + otherPackageName); 8246 } 8247 } 8248 } 8249 } 8250 } 8251 8252 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8253 // This package wants to adopt ownership of permissions from 8254 // another package. 8255 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8256 final String origName = pkg.mAdoptPermissions.get(i); 8257 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8258 if (orig != null) { 8259 if (verifyPackageUpdateLPr(orig, pkg)) { 8260 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8261 + pkg.packageName); 8262 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8263 } 8264 } 8265 } 8266 } 8267 } 8268 8269 final String pkgName = pkg.packageName; 8270 8271 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8272 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8273 pkg.applicationInfo.processName = fixProcessName( 8274 pkg.applicationInfo.packageName, 8275 pkg.applicationInfo.processName, 8276 pkg.applicationInfo.uid); 8277 8278 if (pkg != mPlatformPackage) { 8279 // Get all of our default paths setup 8280 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8281 } 8282 8283 final String path = scanFile.getPath(); 8284 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8285 8286 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8287 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8288 8289 // Some system apps still use directory structure for native libraries 8290 // in which case we might end up not detecting abi solely based on apk 8291 // structure. Try to detect abi based on directory structure. 8292 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8293 pkg.applicationInfo.primaryCpuAbi == null) { 8294 setBundledAppAbisAndRoots(pkg, pkgSetting); 8295 setNativeLibraryPaths(pkg); 8296 } 8297 8298 } else { 8299 if ((scanFlags & SCAN_MOVE) != 0) { 8300 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8301 // but we already have this packages package info in the PackageSetting. We just 8302 // use that and derive the native library path based on the new codepath. 8303 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8304 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8305 } 8306 8307 // Set native library paths again. For moves, the path will be updated based on the 8308 // ABIs we've determined above. For non-moves, the path will be updated based on the 8309 // ABIs we determined during compilation, but the path will depend on the final 8310 // package path (after the rename away from the stage path). 8311 setNativeLibraryPaths(pkg); 8312 } 8313 8314 // This is a special case for the "system" package, where the ABI is 8315 // dictated by the zygote configuration (and init.rc). We should keep track 8316 // of this ABI so that we can deal with "normal" applications that run under 8317 // the same UID correctly. 8318 if (mPlatformPackage == pkg) { 8319 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8320 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8321 } 8322 8323 // If there's a mismatch between the abi-override in the package setting 8324 // and the abiOverride specified for the install. Warn about this because we 8325 // would've already compiled the app without taking the package setting into 8326 // account. 8327 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8328 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8329 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8330 " for package " + pkg.packageName); 8331 } 8332 } 8333 8334 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8335 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8336 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8337 8338 // Copy the derived override back to the parsed package, so that we can 8339 // update the package settings accordingly. 8340 pkg.cpuAbiOverride = cpuAbiOverride; 8341 8342 if (DEBUG_ABI_SELECTION) { 8343 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8344 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8345 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8346 } 8347 8348 // Push the derived path down into PackageSettings so we know what to 8349 // clean up at uninstall time. 8350 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8351 8352 if (DEBUG_ABI_SELECTION) { 8353 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8354 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8355 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8356 } 8357 8358 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8359 // We don't do this here during boot because we can do it all 8360 // at once after scanning all existing packages. 8361 // 8362 // We also do this *before* we perform dexopt on this package, so that 8363 // we can avoid redundant dexopts, and also to make sure we've got the 8364 // code and package path correct. 8365 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8366 pkg, true /* boot complete */); 8367 } 8368 8369 if (mFactoryTest && pkg.requestedPermissions.contains( 8370 android.Manifest.permission.FACTORY_TEST)) { 8371 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8372 } 8373 8374 ArrayList<PackageParser.Package> clientLibPkgs = null; 8375 8376 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8377 if (nonMutatedPs != null) { 8378 synchronized (mPackages) { 8379 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8380 } 8381 } 8382 return pkg; 8383 } 8384 8385 // Only privileged apps and updated privileged apps can add child packages. 8386 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8387 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8388 throw new PackageManagerException("Only privileged apps and updated " 8389 + "privileged apps can add child packages. Ignoring package " 8390 + pkg.packageName); 8391 } 8392 final int childCount = pkg.childPackages.size(); 8393 for (int i = 0; i < childCount; i++) { 8394 PackageParser.Package childPkg = pkg.childPackages.get(i); 8395 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8396 childPkg.packageName)) { 8397 throw new PackageManagerException("Cannot override a child package of " 8398 + "another disabled system app. Ignoring package " + pkg.packageName); 8399 } 8400 } 8401 } 8402 8403 // writer 8404 synchronized (mPackages) { 8405 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8406 // Only system apps can add new shared libraries. 8407 if (pkg.libraryNames != null) { 8408 for (int i=0; i<pkg.libraryNames.size(); i++) { 8409 String name = pkg.libraryNames.get(i); 8410 boolean allowed = false; 8411 if (pkg.isUpdatedSystemApp()) { 8412 // New library entries can only be added through the 8413 // system image. This is important to get rid of a lot 8414 // of nasty edge cases: for example if we allowed a non- 8415 // system update of the app to add a library, then uninstalling 8416 // the update would make the library go away, and assumptions 8417 // we made such as through app install filtering would now 8418 // have allowed apps on the device which aren't compatible 8419 // with it. Better to just have the restriction here, be 8420 // conservative, and create many fewer cases that can negatively 8421 // impact the user experience. 8422 final PackageSetting sysPs = mSettings 8423 .getDisabledSystemPkgLPr(pkg.packageName); 8424 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8425 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8426 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8427 allowed = true; 8428 break; 8429 } 8430 } 8431 } 8432 } else { 8433 allowed = true; 8434 } 8435 if (allowed) { 8436 if (!mSharedLibraries.containsKey(name)) { 8437 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8438 } else if (!name.equals(pkg.packageName)) { 8439 Slog.w(TAG, "Package " + pkg.packageName + " library " 8440 + name + " already exists; skipping"); 8441 } 8442 } else { 8443 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8444 + name + " that is not declared on system image; skipping"); 8445 } 8446 } 8447 if ((scanFlags & SCAN_BOOTING) == 0) { 8448 // If we are not booting, we need to update any applications 8449 // that are clients of our shared library. If we are booting, 8450 // this will all be done once the scan is complete. 8451 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8452 } 8453 } 8454 } 8455 } 8456 8457 if ((scanFlags & SCAN_BOOTING) != 0) { 8458 // No apps can run during boot scan, so they don't need to be frozen 8459 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8460 // Caller asked to not kill app, so it's probably not frozen 8461 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8462 // Caller asked us to ignore frozen check for some reason; they 8463 // probably didn't know the package name 8464 } else { 8465 // We're doing major surgery on this package, so it better be frozen 8466 // right now to keep it from launching 8467 checkPackageFrozen(pkgName); 8468 } 8469 8470 // Also need to kill any apps that are dependent on the library. 8471 if (clientLibPkgs != null) { 8472 for (int i=0; i<clientLibPkgs.size(); i++) { 8473 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8474 killApplication(clientPkg.applicationInfo.packageName, 8475 clientPkg.applicationInfo.uid, "update lib"); 8476 } 8477 } 8478 8479 // Make sure we're not adding any bogus keyset info 8480 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8481 ksms.assertScannedPackageValid(pkg); 8482 8483 // writer 8484 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8485 8486 boolean createIdmapFailed = false; 8487 synchronized (mPackages) { 8488 // We don't expect installation to fail beyond this point 8489 8490 if (pkgSetting.pkg != null) { 8491 // Note that |user| might be null during the initial boot scan. If a codePath 8492 // for an app has changed during a boot scan, it's due to an app update that's 8493 // part of the system partition and marker changes must be applied to all users. 8494 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8495 (user != null) ? user : UserHandle.ALL); 8496 } 8497 8498 // Add the new setting to mSettings 8499 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8500 // Add the new setting to mPackages 8501 mPackages.put(pkg.applicationInfo.packageName, pkg); 8502 // Make sure we don't accidentally delete its data. 8503 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8504 while (iter.hasNext()) { 8505 PackageCleanItem item = iter.next(); 8506 if (pkgName.equals(item.packageName)) { 8507 iter.remove(); 8508 } 8509 } 8510 8511 // Take care of first install / last update times. 8512 if (currentTime != 0) { 8513 if (pkgSetting.firstInstallTime == 0) { 8514 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8515 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8516 pkgSetting.lastUpdateTime = currentTime; 8517 } 8518 } else if (pkgSetting.firstInstallTime == 0) { 8519 // We need *something*. Take time time stamp of the file. 8520 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8521 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8522 if (scanFileTime != pkgSetting.timeStamp) { 8523 // A package on the system image has changed; consider this 8524 // to be an update. 8525 pkgSetting.lastUpdateTime = scanFileTime; 8526 } 8527 } 8528 8529 // Add the package's KeySets to the global KeySetManagerService 8530 ksms.addScannedPackageLPw(pkg); 8531 8532 int N = pkg.providers.size(); 8533 StringBuilder r = null; 8534 int i; 8535 for (i=0; i<N; i++) { 8536 PackageParser.Provider p = pkg.providers.get(i); 8537 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8538 p.info.processName, pkg.applicationInfo.uid); 8539 mProviders.addProvider(p); 8540 p.syncable = p.info.isSyncable; 8541 if (p.info.authority != null) { 8542 String names[] = p.info.authority.split(";"); 8543 p.info.authority = null; 8544 for (int j = 0; j < names.length; j++) { 8545 if (j == 1 && p.syncable) { 8546 // We only want the first authority for a provider to possibly be 8547 // syncable, so if we already added this provider using a different 8548 // authority clear the syncable flag. We copy the provider before 8549 // changing it because the mProviders object contains a reference 8550 // to a provider that we don't want to change. 8551 // Only do this for the second authority since the resulting provider 8552 // object can be the same for all future authorities for this provider. 8553 p = new PackageParser.Provider(p); 8554 p.syncable = false; 8555 } 8556 if (!mProvidersByAuthority.containsKey(names[j])) { 8557 mProvidersByAuthority.put(names[j], p); 8558 if (p.info.authority == null) { 8559 p.info.authority = names[j]; 8560 } else { 8561 p.info.authority = p.info.authority + ";" + names[j]; 8562 } 8563 if (DEBUG_PACKAGE_SCANNING) { 8564 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8565 Log.d(TAG, "Registered content provider: " + names[j] 8566 + ", className = " + p.info.name + ", isSyncable = " 8567 + p.info.isSyncable); 8568 } 8569 } else { 8570 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8571 Slog.w(TAG, "Skipping provider name " + names[j] + 8572 " (in package " + pkg.applicationInfo.packageName + 8573 "): name already used by " 8574 + ((other != null && other.getComponentName() != null) 8575 ? other.getComponentName().getPackageName() : "?")); 8576 } 8577 } 8578 } 8579 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8580 if (r == null) { 8581 r = new StringBuilder(256); 8582 } else { 8583 r.append(' '); 8584 } 8585 r.append(p.info.name); 8586 } 8587 } 8588 if (r != null) { 8589 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8590 } 8591 8592 N = pkg.services.size(); 8593 r = null; 8594 for (i=0; i<N; i++) { 8595 PackageParser.Service s = pkg.services.get(i); 8596 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8597 s.info.processName, pkg.applicationInfo.uid); 8598 mServices.addService(s); 8599 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8600 if (r == null) { 8601 r = new StringBuilder(256); 8602 } else { 8603 r.append(' '); 8604 } 8605 r.append(s.info.name); 8606 } 8607 } 8608 if (r != null) { 8609 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8610 } 8611 8612 N = pkg.receivers.size(); 8613 r = null; 8614 for (i=0; i<N; i++) { 8615 PackageParser.Activity a = pkg.receivers.get(i); 8616 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8617 a.info.processName, pkg.applicationInfo.uid); 8618 mReceivers.addActivity(a, "receiver"); 8619 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8620 if (r == null) { 8621 r = new StringBuilder(256); 8622 } else { 8623 r.append(' '); 8624 } 8625 r.append(a.info.name); 8626 } 8627 } 8628 if (r != null) { 8629 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8630 } 8631 8632 N = pkg.activities.size(); 8633 r = null; 8634 for (i=0; i<N; i++) { 8635 PackageParser.Activity a = pkg.activities.get(i); 8636 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8637 a.info.processName, pkg.applicationInfo.uid); 8638 mActivities.addActivity(a, "activity"); 8639 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8640 if (r == null) { 8641 r = new StringBuilder(256); 8642 } else { 8643 r.append(' '); 8644 } 8645 r.append(a.info.name); 8646 } 8647 } 8648 if (r != null) { 8649 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8650 } 8651 8652 N = pkg.permissionGroups.size(); 8653 r = null; 8654 for (i=0; i<N; i++) { 8655 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8656 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8657 if (cur == null) { 8658 mPermissionGroups.put(pg.info.name, pg); 8659 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8660 if (r == null) { 8661 r = new StringBuilder(256); 8662 } else { 8663 r.append(' '); 8664 } 8665 r.append(pg.info.name); 8666 } 8667 } else { 8668 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8669 + pg.info.packageName + " ignored: original from " 8670 + cur.info.packageName); 8671 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8672 if (r == null) { 8673 r = new StringBuilder(256); 8674 } else { 8675 r.append(' '); 8676 } 8677 r.append("DUP:"); 8678 r.append(pg.info.name); 8679 } 8680 } 8681 } 8682 if (r != null) { 8683 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8684 } 8685 8686 N = pkg.permissions.size(); 8687 r = null; 8688 for (i=0; i<N; i++) { 8689 PackageParser.Permission p = pkg.permissions.get(i); 8690 8691 // Assume by default that we did not install this permission into the system. 8692 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8693 8694 // Now that permission groups have a special meaning, we ignore permission 8695 // groups for legacy apps to prevent unexpected behavior. In particular, 8696 // permissions for one app being granted to someone just becase they happen 8697 // to be in a group defined by another app (before this had no implications). 8698 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8699 p.group = mPermissionGroups.get(p.info.group); 8700 // Warn for a permission in an unknown group. 8701 if (p.info.group != null && p.group == null) { 8702 Slog.w(TAG, "Permission " + p.info.name + " from package " 8703 + p.info.packageName + " in an unknown group " + p.info.group); 8704 } 8705 } 8706 8707 ArrayMap<String, BasePermission> permissionMap = 8708 p.tree ? mSettings.mPermissionTrees 8709 : mSettings.mPermissions; 8710 BasePermission bp = permissionMap.get(p.info.name); 8711 8712 // Allow system apps to redefine non-system permissions 8713 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8714 final boolean currentOwnerIsSystem = (bp.perm != null 8715 && isSystemApp(bp.perm.owner)); 8716 if (isSystemApp(p.owner)) { 8717 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8718 // It's a built-in permission and no owner, take ownership now 8719 bp.packageSetting = pkgSetting; 8720 bp.perm = p; 8721 bp.uid = pkg.applicationInfo.uid; 8722 bp.sourcePackage = p.info.packageName; 8723 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8724 } else if (!currentOwnerIsSystem) { 8725 String msg = "New decl " + p.owner + " of permission " 8726 + p.info.name + " is system; overriding " + bp.sourcePackage; 8727 reportSettingsProblem(Log.WARN, msg); 8728 bp = null; 8729 } 8730 } 8731 } 8732 8733 if (bp == null) { 8734 bp = new BasePermission(p.info.name, p.info.packageName, 8735 BasePermission.TYPE_NORMAL); 8736 permissionMap.put(p.info.name, bp); 8737 } 8738 8739 if (bp.perm == null) { 8740 if (bp.sourcePackage == null 8741 || bp.sourcePackage.equals(p.info.packageName)) { 8742 BasePermission tree = findPermissionTreeLP(p.info.name); 8743 if (tree == null 8744 || tree.sourcePackage.equals(p.info.packageName)) { 8745 bp.packageSetting = pkgSetting; 8746 bp.perm = p; 8747 bp.uid = pkg.applicationInfo.uid; 8748 bp.sourcePackage = p.info.packageName; 8749 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8750 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8751 if (r == null) { 8752 r = new StringBuilder(256); 8753 } else { 8754 r.append(' '); 8755 } 8756 r.append(p.info.name); 8757 } 8758 } else { 8759 Slog.w(TAG, "Permission " + p.info.name + " from package " 8760 + p.info.packageName + " ignored: base tree " 8761 + tree.name + " is from package " 8762 + tree.sourcePackage); 8763 } 8764 } else { 8765 Slog.w(TAG, "Permission " + p.info.name + " from package " 8766 + p.info.packageName + " ignored: original from " 8767 + bp.sourcePackage); 8768 } 8769 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8770 if (r == null) { 8771 r = new StringBuilder(256); 8772 } else { 8773 r.append(' '); 8774 } 8775 r.append("DUP:"); 8776 r.append(p.info.name); 8777 } 8778 if (bp.perm == p) { 8779 bp.protectionLevel = p.info.protectionLevel; 8780 } 8781 } 8782 8783 if (r != null) { 8784 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8785 } 8786 8787 N = pkg.instrumentation.size(); 8788 r = null; 8789 for (i=0; i<N; i++) { 8790 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8791 a.info.packageName = pkg.applicationInfo.packageName; 8792 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8793 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8794 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8795 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8796 a.info.dataDir = pkg.applicationInfo.dataDir; 8797 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8798 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8799 8800 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8801 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8802 mInstrumentation.put(a.getComponentName(), a); 8803 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8804 if (r == null) { 8805 r = new StringBuilder(256); 8806 } else { 8807 r.append(' '); 8808 } 8809 r.append(a.info.name); 8810 } 8811 } 8812 if (r != null) { 8813 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8814 } 8815 8816 if (pkg.protectedBroadcasts != null) { 8817 N = pkg.protectedBroadcasts.size(); 8818 for (i=0; i<N; i++) { 8819 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8820 } 8821 } 8822 8823 pkgSetting.setTimeStamp(scanFileTime); 8824 8825 // Create idmap files for pairs of (packages, overlay packages). 8826 // Note: "android", ie framework-res.apk, is handled by native layers. 8827 if (pkg.mOverlayTarget != null) { 8828 // This is an overlay package. 8829 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8830 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8831 mOverlays.put(pkg.mOverlayTarget, 8832 new ArrayMap<String, PackageParser.Package>()); 8833 } 8834 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8835 map.put(pkg.packageName, pkg); 8836 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8837 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8838 createIdmapFailed = true; 8839 } 8840 } 8841 } else if (mOverlays.containsKey(pkg.packageName) && 8842 !pkg.packageName.equals("android")) { 8843 // This is a regular package, with one or more known overlay packages. 8844 createIdmapsForPackageLI(pkg); 8845 } 8846 } 8847 8848 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8849 8850 if (createIdmapFailed) { 8851 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8852 "scanPackageLI failed to createIdmap"); 8853 } 8854 return pkg; 8855 } 8856 8857 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8858 PackageParser.Package update, UserHandle user) { 8859 if (existing.applicationInfo == null || update.applicationInfo == null) { 8860 // This isn't due to an app installation. 8861 return; 8862 } 8863 8864 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8865 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8866 8867 // The codePath hasn't changed, so there's nothing for us to do. 8868 if (Objects.equals(oldCodePath, newCodePath)) { 8869 return; 8870 } 8871 8872 File canonicalNewCodePath; 8873 try { 8874 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8875 } catch (IOException e) { 8876 Slog.w(TAG, "Failed to get canonical path.", e); 8877 return; 8878 } 8879 8880 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8881 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8882 // that the last component of the path (i.e, the name) doesn't need canonicalization 8883 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8884 // but may change in the future. Hopefully this function won't exist at that point. 8885 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8886 oldCodePath.getName()); 8887 8888 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8889 // with "@". 8890 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8891 if (!oldMarkerPrefix.endsWith("@")) { 8892 oldMarkerPrefix += "@"; 8893 } 8894 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8895 if (!newMarkerPrefix.endsWith("@")) { 8896 newMarkerPrefix += "@"; 8897 } 8898 8899 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8900 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8901 for (String updatedPath : updatedPaths) { 8902 String updatedPathName = new File(updatedPath).getName(); 8903 markerSuffixes.add(updatedPathName.replace('/', '@')); 8904 } 8905 8906 for (int userId : resolveUserIds(user.getIdentifier())) { 8907 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 8908 8909 for (String markerSuffix : markerSuffixes) { 8910 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 8911 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 8912 if (oldForeignUseMark.exists()) { 8913 try { 8914 Os.rename(oldForeignUseMark.getAbsolutePath(), 8915 newForeignUseMark.getAbsolutePath()); 8916 } catch (ErrnoException e) { 8917 Slog.w(TAG, "Failed to rename foreign use marker", e); 8918 oldForeignUseMark.delete(); 8919 } 8920 } 8921 } 8922 } 8923 } 8924 8925 /** 8926 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8927 * is derived purely on the basis of the contents of {@code scanFile} and 8928 * {@code cpuAbiOverride}. 8929 * 8930 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8931 */ 8932 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8933 String cpuAbiOverride, boolean extractLibs) 8934 throws PackageManagerException { 8935 // TODO: We can probably be smarter about this stuff. For installed apps, 8936 // we can calculate this information at install time once and for all. For 8937 // system apps, we can probably assume that this information doesn't change 8938 // after the first boot scan. As things stand, we do lots of unnecessary work. 8939 8940 // Give ourselves some initial paths; we'll come back for another 8941 // pass once we've determined ABI below. 8942 setNativeLibraryPaths(pkg); 8943 8944 // We would never need to extract libs for forward-locked and external packages, 8945 // since the container service will do it for us. We shouldn't attempt to 8946 // extract libs from system app when it was not updated. 8947 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8948 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8949 extractLibs = false; 8950 } 8951 8952 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8953 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8954 8955 NativeLibraryHelper.Handle handle = null; 8956 try { 8957 handle = NativeLibraryHelper.Handle.create(pkg); 8958 // TODO(multiArch): This can be null for apps that didn't go through the 8959 // usual installation process. We can calculate it again, like we 8960 // do during install time. 8961 // 8962 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8963 // unnecessary. 8964 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8965 8966 // Null out the abis so that they can be recalculated. 8967 pkg.applicationInfo.primaryCpuAbi = null; 8968 pkg.applicationInfo.secondaryCpuAbi = null; 8969 if (isMultiArch(pkg.applicationInfo)) { 8970 // Warn if we've set an abiOverride for multi-lib packages.. 8971 // By definition, we need to copy both 32 and 64 bit libraries for 8972 // such packages. 8973 if (pkg.cpuAbiOverride != null 8974 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8975 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8976 } 8977 8978 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8979 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8980 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8981 if (extractLibs) { 8982 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8983 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8984 useIsaSpecificSubdirs); 8985 } else { 8986 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8987 } 8988 } 8989 8990 maybeThrowExceptionForMultiArchCopy( 8991 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8992 8993 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8994 if (extractLibs) { 8995 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8996 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8997 useIsaSpecificSubdirs); 8998 } else { 8999 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9000 } 9001 } 9002 9003 maybeThrowExceptionForMultiArchCopy( 9004 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9005 9006 if (abi64 >= 0) { 9007 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9008 } 9009 9010 if (abi32 >= 0) { 9011 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9012 if (abi64 >= 0) { 9013 if (pkg.use32bitAbi) { 9014 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9015 pkg.applicationInfo.primaryCpuAbi = abi; 9016 } else { 9017 pkg.applicationInfo.secondaryCpuAbi = abi; 9018 } 9019 } else { 9020 pkg.applicationInfo.primaryCpuAbi = abi; 9021 } 9022 } 9023 9024 } else { 9025 String[] abiList = (cpuAbiOverride != null) ? 9026 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9027 9028 // Enable gross and lame hacks for apps that are built with old 9029 // SDK tools. We must scan their APKs for renderscript bitcode and 9030 // not launch them if it's present. Don't bother checking on devices 9031 // that don't have 64 bit support. 9032 boolean needsRenderScriptOverride = false; 9033 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9034 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9035 abiList = Build.SUPPORTED_32_BIT_ABIS; 9036 needsRenderScriptOverride = true; 9037 } 9038 9039 final int copyRet; 9040 if (extractLibs) { 9041 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9042 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9043 } else { 9044 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9045 } 9046 9047 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9048 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9049 "Error unpackaging native libs for app, errorCode=" + copyRet); 9050 } 9051 9052 if (copyRet >= 0) { 9053 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9054 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9055 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9056 } else if (needsRenderScriptOverride) { 9057 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9058 } 9059 } 9060 } catch (IOException ioe) { 9061 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9062 } finally { 9063 IoUtils.closeQuietly(handle); 9064 } 9065 9066 // Now that we've calculated the ABIs and determined if it's an internal app, 9067 // we will go ahead and populate the nativeLibraryPath. 9068 setNativeLibraryPaths(pkg); 9069 } 9070 9071 /** 9072 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9073 * i.e, so that all packages can be run inside a single process if required. 9074 * 9075 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9076 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9077 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9078 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9079 * updating a package that belongs to a shared user. 9080 * 9081 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9082 * adds unnecessary complexity. 9083 */ 9084 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9085 PackageParser.Package scannedPackage, boolean bootComplete) { 9086 String requiredInstructionSet = null; 9087 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9088 requiredInstructionSet = VMRuntime.getInstructionSet( 9089 scannedPackage.applicationInfo.primaryCpuAbi); 9090 } 9091 9092 PackageSetting requirer = null; 9093 for (PackageSetting ps : packagesForUser) { 9094 // If packagesForUser contains scannedPackage, we skip it. This will happen 9095 // when scannedPackage is an update of an existing package. Without this check, 9096 // we will never be able to change the ABI of any package belonging to a shared 9097 // user, even if it's compatible with other packages. 9098 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9099 if (ps.primaryCpuAbiString == null) { 9100 continue; 9101 } 9102 9103 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9104 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9105 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9106 // this but there's not much we can do. 9107 String errorMessage = "Instruction set mismatch, " 9108 + ((requirer == null) ? "[caller]" : requirer) 9109 + " requires " + requiredInstructionSet + " whereas " + ps 9110 + " requires " + instructionSet; 9111 Slog.w(TAG, errorMessage); 9112 } 9113 9114 if (requiredInstructionSet == null) { 9115 requiredInstructionSet = instructionSet; 9116 requirer = ps; 9117 } 9118 } 9119 } 9120 9121 if (requiredInstructionSet != null) { 9122 String adjustedAbi; 9123 if (requirer != null) { 9124 // requirer != null implies that either scannedPackage was null or that scannedPackage 9125 // did not require an ABI, in which case we have to adjust scannedPackage to match 9126 // the ABI of the set (which is the same as requirer's ABI) 9127 adjustedAbi = requirer.primaryCpuAbiString; 9128 if (scannedPackage != null) { 9129 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9130 } 9131 } else { 9132 // requirer == null implies that we're updating all ABIs in the set to 9133 // match scannedPackage. 9134 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9135 } 9136 9137 for (PackageSetting ps : packagesForUser) { 9138 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9139 if (ps.primaryCpuAbiString != null) { 9140 continue; 9141 } 9142 9143 ps.primaryCpuAbiString = adjustedAbi; 9144 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9145 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9146 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9147 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9148 + " (requirer=" 9149 + (requirer == null ? "null" : requirer.pkg.packageName) 9150 + ", scannedPackage=" 9151 + (scannedPackage != null ? scannedPackage.packageName : "null") 9152 + ")"); 9153 try { 9154 mInstaller.rmdex(ps.codePathString, 9155 getDexCodeInstructionSet(getPreferredInstructionSet())); 9156 } catch (InstallerException ignored) { 9157 } 9158 } 9159 } 9160 } 9161 } 9162 } 9163 9164 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9165 synchronized (mPackages) { 9166 mResolverReplaced = true; 9167 // Set up information for custom user intent resolution activity. 9168 mResolveActivity.applicationInfo = pkg.applicationInfo; 9169 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9170 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9171 mResolveActivity.processName = pkg.applicationInfo.packageName; 9172 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9173 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9174 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9175 mResolveActivity.theme = 0; 9176 mResolveActivity.exported = true; 9177 mResolveActivity.enabled = true; 9178 mResolveInfo.activityInfo = mResolveActivity; 9179 mResolveInfo.priority = 0; 9180 mResolveInfo.preferredOrder = 0; 9181 mResolveInfo.match = 0; 9182 mResolveComponentName = mCustomResolverComponentName; 9183 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9184 mResolveComponentName); 9185 } 9186 } 9187 9188 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9189 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9190 9191 // Set up information for ephemeral installer activity 9192 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9193 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9194 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9195 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9196 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9197 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9198 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9199 mEphemeralInstallerActivity.theme = 0; 9200 mEphemeralInstallerActivity.exported = true; 9201 mEphemeralInstallerActivity.enabled = true; 9202 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9203 mEphemeralInstallerInfo.priority = 0; 9204 mEphemeralInstallerInfo.preferredOrder = 0; 9205 mEphemeralInstallerInfo.match = 0; 9206 9207 if (DEBUG_EPHEMERAL) { 9208 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9209 } 9210 } 9211 9212 private static String calculateBundledApkRoot(final String codePathString) { 9213 final File codePath = new File(codePathString); 9214 final File codeRoot; 9215 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9216 codeRoot = Environment.getRootDirectory(); 9217 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9218 codeRoot = Environment.getOemDirectory(); 9219 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9220 codeRoot = Environment.getVendorDirectory(); 9221 } else { 9222 // Unrecognized code path; take its top real segment as the apk root: 9223 // e.g. /something/app/blah.apk => /something 9224 try { 9225 File f = codePath.getCanonicalFile(); 9226 File parent = f.getParentFile(); // non-null because codePath is a file 9227 File tmp; 9228 while ((tmp = parent.getParentFile()) != null) { 9229 f = parent; 9230 parent = tmp; 9231 } 9232 codeRoot = f; 9233 Slog.w(TAG, "Unrecognized code path " 9234 + codePath + " - using " + codeRoot); 9235 } catch (IOException e) { 9236 // Can't canonicalize the code path -- shenanigans? 9237 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9238 return Environment.getRootDirectory().getPath(); 9239 } 9240 } 9241 return codeRoot.getPath(); 9242 } 9243 9244 /** 9245 * Derive and set the location of native libraries for the given package, 9246 * which varies depending on where and how the package was installed. 9247 */ 9248 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9249 final ApplicationInfo info = pkg.applicationInfo; 9250 final String codePath = pkg.codePath; 9251 final File codeFile = new File(codePath); 9252 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9253 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9254 9255 info.nativeLibraryRootDir = null; 9256 info.nativeLibraryRootRequiresIsa = false; 9257 info.nativeLibraryDir = null; 9258 info.secondaryNativeLibraryDir = null; 9259 9260 if (isApkFile(codeFile)) { 9261 // Monolithic install 9262 if (bundledApp) { 9263 // If "/system/lib64/apkname" exists, assume that is the per-package 9264 // native library directory to use; otherwise use "/system/lib/apkname". 9265 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9266 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9267 getPrimaryInstructionSet(info)); 9268 9269 // This is a bundled system app so choose the path based on the ABI. 9270 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9271 // is just the default path. 9272 final String apkName = deriveCodePathName(codePath); 9273 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9274 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9275 apkName).getAbsolutePath(); 9276 9277 if (info.secondaryCpuAbi != null) { 9278 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9279 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9280 secondaryLibDir, apkName).getAbsolutePath(); 9281 } 9282 } else if (asecApp) { 9283 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9284 .getAbsolutePath(); 9285 } else { 9286 final String apkName = deriveCodePathName(codePath); 9287 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9288 .getAbsolutePath(); 9289 } 9290 9291 info.nativeLibraryRootRequiresIsa = false; 9292 info.nativeLibraryDir = info.nativeLibraryRootDir; 9293 } else { 9294 // Cluster install 9295 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9296 info.nativeLibraryRootRequiresIsa = true; 9297 9298 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9299 getPrimaryInstructionSet(info)).getAbsolutePath(); 9300 9301 if (info.secondaryCpuAbi != null) { 9302 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9303 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9304 } 9305 } 9306 } 9307 9308 /** 9309 * Calculate the abis and roots for a bundled app. These can uniquely 9310 * be determined from the contents of the system partition, i.e whether 9311 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9312 * of this information, and instead assume that the system was built 9313 * sensibly. 9314 */ 9315 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9316 PackageSetting pkgSetting) { 9317 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9318 9319 // If "/system/lib64/apkname" exists, assume that is the per-package 9320 // native library directory to use; otherwise use "/system/lib/apkname". 9321 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9322 setBundledAppAbi(pkg, apkRoot, apkName); 9323 // pkgSetting might be null during rescan following uninstall of updates 9324 // to a bundled app, so accommodate that possibility. The settings in 9325 // that case will be established later from the parsed package. 9326 // 9327 // If the settings aren't null, sync them up with what we've just derived. 9328 // note that apkRoot isn't stored in the package settings. 9329 if (pkgSetting != null) { 9330 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9331 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9332 } 9333 } 9334 9335 /** 9336 * Deduces the ABI of a bundled app and sets the relevant fields on the 9337 * parsed pkg object. 9338 * 9339 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9340 * under which system libraries are installed. 9341 * @param apkName the name of the installed package. 9342 */ 9343 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9344 final File codeFile = new File(pkg.codePath); 9345 9346 final boolean has64BitLibs; 9347 final boolean has32BitLibs; 9348 if (isApkFile(codeFile)) { 9349 // Monolithic install 9350 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9351 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9352 } else { 9353 // Cluster install 9354 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9355 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9356 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9357 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9358 has64BitLibs = (new File(rootDir, isa)).exists(); 9359 } else { 9360 has64BitLibs = false; 9361 } 9362 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9363 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9364 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9365 has32BitLibs = (new File(rootDir, isa)).exists(); 9366 } else { 9367 has32BitLibs = false; 9368 } 9369 } 9370 9371 if (has64BitLibs && !has32BitLibs) { 9372 // The package has 64 bit libs, but not 32 bit libs. Its primary 9373 // ABI should be 64 bit. We can safely assume here that the bundled 9374 // native libraries correspond to the most preferred ABI in the list. 9375 9376 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9377 pkg.applicationInfo.secondaryCpuAbi = null; 9378 } else if (has32BitLibs && !has64BitLibs) { 9379 // The package has 32 bit libs but not 64 bit libs. Its primary 9380 // ABI should be 32 bit. 9381 9382 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9383 pkg.applicationInfo.secondaryCpuAbi = null; 9384 } else if (has32BitLibs && has64BitLibs) { 9385 // The application has both 64 and 32 bit bundled libraries. We check 9386 // here that the app declares multiArch support, and warn if it doesn't. 9387 // 9388 // We will be lenient here and record both ABIs. The primary will be the 9389 // ABI that's higher on the list, i.e, a device that's configured to prefer 9390 // 64 bit apps will see a 64 bit primary ABI, 9391 9392 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9393 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9394 } 9395 9396 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9397 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9398 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9399 } else { 9400 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9401 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9402 } 9403 } else { 9404 pkg.applicationInfo.primaryCpuAbi = null; 9405 pkg.applicationInfo.secondaryCpuAbi = null; 9406 } 9407 } 9408 9409 private void killApplication(String pkgName, int appId, String reason) { 9410 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9411 } 9412 9413 private void killApplication(String pkgName, int appId, int userId, String reason) { 9414 // Request the ActivityManager to kill the process(only for existing packages) 9415 // so that we do not end up in a confused state while the user is still using the older 9416 // version of the application while the new one gets installed. 9417 final long token = Binder.clearCallingIdentity(); 9418 try { 9419 IActivityManager am = ActivityManagerNative.getDefault(); 9420 if (am != null) { 9421 try { 9422 am.killApplication(pkgName, appId, userId, reason); 9423 } catch (RemoteException e) { 9424 } 9425 } 9426 } finally { 9427 Binder.restoreCallingIdentity(token); 9428 } 9429 } 9430 9431 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9432 // Remove the parent package setting 9433 PackageSetting ps = (PackageSetting) pkg.mExtras; 9434 if (ps != null) { 9435 removePackageLI(ps, chatty); 9436 } 9437 // Remove the child package setting 9438 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9439 for (int i = 0; i < childCount; i++) { 9440 PackageParser.Package childPkg = pkg.childPackages.get(i); 9441 ps = (PackageSetting) childPkg.mExtras; 9442 if (ps != null) { 9443 removePackageLI(ps, chatty); 9444 } 9445 } 9446 } 9447 9448 void removePackageLI(PackageSetting ps, boolean chatty) { 9449 if (DEBUG_INSTALL) { 9450 if (chatty) 9451 Log.d(TAG, "Removing package " + ps.name); 9452 } 9453 9454 // writer 9455 synchronized (mPackages) { 9456 mPackages.remove(ps.name); 9457 final PackageParser.Package pkg = ps.pkg; 9458 if (pkg != null) { 9459 cleanPackageDataStructuresLILPw(pkg, chatty); 9460 } 9461 } 9462 } 9463 9464 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9465 if (DEBUG_INSTALL) { 9466 if (chatty) 9467 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9468 } 9469 9470 // writer 9471 synchronized (mPackages) { 9472 // Remove the parent package 9473 mPackages.remove(pkg.applicationInfo.packageName); 9474 cleanPackageDataStructuresLILPw(pkg, chatty); 9475 9476 // Remove the child packages 9477 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9478 for (int i = 0; i < childCount; i++) { 9479 PackageParser.Package childPkg = pkg.childPackages.get(i); 9480 mPackages.remove(childPkg.applicationInfo.packageName); 9481 cleanPackageDataStructuresLILPw(childPkg, chatty); 9482 } 9483 } 9484 } 9485 9486 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9487 int N = pkg.providers.size(); 9488 StringBuilder r = null; 9489 int i; 9490 for (i=0; i<N; i++) { 9491 PackageParser.Provider p = pkg.providers.get(i); 9492 mProviders.removeProvider(p); 9493 if (p.info.authority == null) { 9494 9495 /* There was another ContentProvider with this authority when 9496 * this app was installed so this authority is null, 9497 * Ignore it as we don't have to unregister the provider. 9498 */ 9499 continue; 9500 } 9501 String names[] = p.info.authority.split(";"); 9502 for (int j = 0; j < names.length; j++) { 9503 if (mProvidersByAuthority.get(names[j]) == p) { 9504 mProvidersByAuthority.remove(names[j]); 9505 if (DEBUG_REMOVE) { 9506 if (chatty) 9507 Log.d(TAG, "Unregistered content provider: " + names[j] 9508 + ", className = " + p.info.name + ", isSyncable = " 9509 + p.info.isSyncable); 9510 } 9511 } 9512 } 9513 if (DEBUG_REMOVE && chatty) { 9514 if (r == null) { 9515 r = new StringBuilder(256); 9516 } else { 9517 r.append(' '); 9518 } 9519 r.append(p.info.name); 9520 } 9521 } 9522 if (r != null) { 9523 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9524 } 9525 9526 N = pkg.services.size(); 9527 r = null; 9528 for (i=0; i<N; i++) { 9529 PackageParser.Service s = pkg.services.get(i); 9530 mServices.removeService(s); 9531 if (chatty) { 9532 if (r == null) { 9533 r = new StringBuilder(256); 9534 } else { 9535 r.append(' '); 9536 } 9537 r.append(s.info.name); 9538 } 9539 } 9540 if (r != null) { 9541 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9542 } 9543 9544 N = pkg.receivers.size(); 9545 r = null; 9546 for (i=0; i<N; i++) { 9547 PackageParser.Activity a = pkg.receivers.get(i); 9548 mReceivers.removeActivity(a, "receiver"); 9549 if (DEBUG_REMOVE && chatty) { 9550 if (r == null) { 9551 r = new StringBuilder(256); 9552 } else { 9553 r.append(' '); 9554 } 9555 r.append(a.info.name); 9556 } 9557 } 9558 if (r != null) { 9559 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9560 } 9561 9562 N = pkg.activities.size(); 9563 r = null; 9564 for (i=0; i<N; i++) { 9565 PackageParser.Activity a = pkg.activities.get(i); 9566 mActivities.removeActivity(a, "activity"); 9567 if (DEBUG_REMOVE && chatty) { 9568 if (r == null) { 9569 r = new StringBuilder(256); 9570 } else { 9571 r.append(' '); 9572 } 9573 r.append(a.info.name); 9574 } 9575 } 9576 if (r != null) { 9577 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9578 } 9579 9580 N = pkg.permissions.size(); 9581 r = null; 9582 for (i=0; i<N; i++) { 9583 PackageParser.Permission p = pkg.permissions.get(i); 9584 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9585 if (bp == null) { 9586 bp = mSettings.mPermissionTrees.get(p.info.name); 9587 } 9588 if (bp != null && bp.perm == p) { 9589 bp.perm = null; 9590 if (DEBUG_REMOVE && chatty) { 9591 if (r == null) { 9592 r = new StringBuilder(256); 9593 } else { 9594 r.append(' '); 9595 } 9596 r.append(p.info.name); 9597 } 9598 } 9599 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9600 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9601 if (appOpPkgs != null) { 9602 appOpPkgs.remove(pkg.packageName); 9603 } 9604 } 9605 } 9606 if (r != null) { 9607 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9608 } 9609 9610 N = pkg.requestedPermissions.size(); 9611 r = null; 9612 for (i=0; i<N; i++) { 9613 String perm = pkg.requestedPermissions.get(i); 9614 BasePermission bp = mSettings.mPermissions.get(perm); 9615 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9616 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9617 if (appOpPkgs != null) { 9618 appOpPkgs.remove(pkg.packageName); 9619 if (appOpPkgs.isEmpty()) { 9620 mAppOpPermissionPackages.remove(perm); 9621 } 9622 } 9623 } 9624 } 9625 if (r != null) { 9626 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9627 } 9628 9629 N = pkg.instrumentation.size(); 9630 r = null; 9631 for (i=0; i<N; i++) { 9632 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9633 mInstrumentation.remove(a.getComponentName()); 9634 if (DEBUG_REMOVE && chatty) { 9635 if (r == null) { 9636 r = new StringBuilder(256); 9637 } else { 9638 r.append(' '); 9639 } 9640 r.append(a.info.name); 9641 } 9642 } 9643 if (r != null) { 9644 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9645 } 9646 9647 r = null; 9648 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9649 // Only system apps can hold shared libraries. 9650 if (pkg.libraryNames != null) { 9651 for (i=0; i<pkg.libraryNames.size(); i++) { 9652 String name = pkg.libraryNames.get(i); 9653 SharedLibraryEntry cur = mSharedLibraries.get(name); 9654 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9655 mSharedLibraries.remove(name); 9656 if (DEBUG_REMOVE && chatty) { 9657 if (r == null) { 9658 r = new StringBuilder(256); 9659 } else { 9660 r.append(' '); 9661 } 9662 r.append(name); 9663 } 9664 } 9665 } 9666 } 9667 } 9668 if (r != null) { 9669 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9670 } 9671 } 9672 9673 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9674 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9675 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9676 return true; 9677 } 9678 } 9679 return false; 9680 } 9681 9682 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9683 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9684 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9685 9686 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9687 // Update the parent permissions 9688 updatePermissionsLPw(pkg.packageName, pkg, flags); 9689 // Update the child permissions 9690 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9691 for (int i = 0; i < childCount; i++) { 9692 PackageParser.Package childPkg = pkg.childPackages.get(i); 9693 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9694 } 9695 } 9696 9697 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9698 int flags) { 9699 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9700 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9701 } 9702 9703 private void updatePermissionsLPw(String changingPkg, 9704 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9705 // Make sure there are no dangling permission trees. 9706 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9707 while (it.hasNext()) { 9708 final BasePermission bp = it.next(); 9709 if (bp.packageSetting == null) { 9710 // We may not yet have parsed the package, so just see if 9711 // we still know about its settings. 9712 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9713 } 9714 if (bp.packageSetting == null) { 9715 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9716 + " from package " + bp.sourcePackage); 9717 it.remove(); 9718 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9719 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9720 Slog.i(TAG, "Removing old permission tree: " + bp.name 9721 + " from package " + bp.sourcePackage); 9722 flags |= UPDATE_PERMISSIONS_ALL; 9723 it.remove(); 9724 } 9725 } 9726 } 9727 9728 // Make sure all dynamic permissions have been assigned to a package, 9729 // and make sure there are no dangling permissions. 9730 it = mSettings.mPermissions.values().iterator(); 9731 while (it.hasNext()) { 9732 final BasePermission bp = it.next(); 9733 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9734 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9735 + bp.name + " pkg=" + bp.sourcePackage 9736 + " info=" + bp.pendingInfo); 9737 if (bp.packageSetting == null && bp.pendingInfo != null) { 9738 final BasePermission tree = findPermissionTreeLP(bp.name); 9739 if (tree != null && tree.perm != null) { 9740 bp.packageSetting = tree.packageSetting; 9741 bp.perm = new PackageParser.Permission(tree.perm.owner, 9742 new PermissionInfo(bp.pendingInfo)); 9743 bp.perm.info.packageName = tree.perm.info.packageName; 9744 bp.perm.info.name = bp.name; 9745 bp.uid = tree.uid; 9746 } 9747 } 9748 } 9749 if (bp.packageSetting == null) { 9750 // We may not yet have parsed the package, so just see if 9751 // we still know about its settings. 9752 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9753 } 9754 if (bp.packageSetting == null) { 9755 Slog.w(TAG, "Removing dangling permission: " + bp.name 9756 + " from package " + bp.sourcePackage); 9757 it.remove(); 9758 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9759 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9760 Slog.i(TAG, "Removing old permission: " + bp.name 9761 + " from package " + bp.sourcePackage); 9762 flags |= UPDATE_PERMISSIONS_ALL; 9763 it.remove(); 9764 } 9765 } 9766 } 9767 9768 // Now update the permissions for all packages, in particular 9769 // replace the granted permissions of the system packages. 9770 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9771 for (PackageParser.Package pkg : mPackages.values()) { 9772 if (pkg != pkgInfo) { 9773 // Only replace for packages on requested volume 9774 final String volumeUuid = getVolumeUuidForPackage(pkg); 9775 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9776 && Objects.equals(replaceVolumeUuid, volumeUuid); 9777 grantPermissionsLPw(pkg, replace, changingPkg); 9778 } 9779 } 9780 } 9781 9782 if (pkgInfo != null) { 9783 // Only replace for packages on requested volume 9784 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9785 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9786 && Objects.equals(replaceVolumeUuid, volumeUuid); 9787 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9788 } 9789 } 9790 9791 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9792 String packageOfInterest) { 9793 // IMPORTANT: There are two types of permissions: install and runtime. 9794 // Install time permissions are granted when the app is installed to 9795 // all device users and users added in the future. Runtime permissions 9796 // are granted at runtime explicitly to specific users. Normal and signature 9797 // protected permissions are install time permissions. Dangerous permissions 9798 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9799 // otherwise they are runtime permissions. This function does not manage 9800 // runtime permissions except for the case an app targeting Lollipop MR1 9801 // being upgraded to target a newer SDK, in which case dangerous permissions 9802 // are transformed from install time to runtime ones. 9803 9804 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9805 if (ps == null) { 9806 return; 9807 } 9808 9809 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9810 9811 PermissionsState permissionsState = ps.getPermissionsState(); 9812 PermissionsState origPermissions = permissionsState; 9813 9814 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9815 9816 boolean runtimePermissionsRevoked = false; 9817 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9818 9819 boolean changedInstallPermission = false; 9820 9821 if (replace) { 9822 ps.installPermissionsFixed = false; 9823 if (!ps.isSharedUser()) { 9824 origPermissions = new PermissionsState(permissionsState); 9825 permissionsState.reset(); 9826 } else { 9827 // We need to know only about runtime permission changes since the 9828 // calling code always writes the install permissions state but 9829 // the runtime ones are written only if changed. The only cases of 9830 // changed runtime permissions here are promotion of an install to 9831 // runtime and revocation of a runtime from a shared user. 9832 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9833 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9834 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9835 runtimePermissionsRevoked = true; 9836 } 9837 } 9838 } 9839 9840 permissionsState.setGlobalGids(mGlobalGids); 9841 9842 final int N = pkg.requestedPermissions.size(); 9843 for (int i=0; i<N; i++) { 9844 final String name = pkg.requestedPermissions.get(i); 9845 final BasePermission bp = mSettings.mPermissions.get(name); 9846 9847 if (DEBUG_INSTALL) { 9848 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9849 } 9850 9851 if (bp == null || bp.packageSetting == null) { 9852 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9853 Slog.w(TAG, "Unknown permission " + name 9854 + " in package " + pkg.packageName); 9855 } 9856 continue; 9857 } 9858 9859 final String perm = bp.name; 9860 boolean allowedSig = false; 9861 int grant = GRANT_DENIED; 9862 9863 // Keep track of app op permissions. 9864 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9865 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9866 if (pkgs == null) { 9867 pkgs = new ArraySet<>(); 9868 mAppOpPermissionPackages.put(bp.name, pkgs); 9869 } 9870 pkgs.add(pkg.packageName); 9871 } 9872 9873 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9874 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9875 >= Build.VERSION_CODES.M; 9876 switch (level) { 9877 case PermissionInfo.PROTECTION_NORMAL: { 9878 // For all apps normal permissions are install time ones. 9879 grant = GRANT_INSTALL; 9880 } break; 9881 9882 case PermissionInfo.PROTECTION_DANGEROUS: { 9883 // If a permission review is required for legacy apps we represent 9884 // their permissions as always granted runtime ones since we need 9885 // to keep the review required permission flag per user while an 9886 // install permission's state is shared across all users. 9887 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9888 // For legacy apps dangerous permissions are install time ones. 9889 grant = GRANT_INSTALL; 9890 } else if (origPermissions.hasInstallPermission(bp.name)) { 9891 // For legacy apps that became modern, install becomes runtime. 9892 grant = GRANT_UPGRADE; 9893 } else if (mPromoteSystemApps 9894 && isSystemApp(ps) 9895 && mExistingSystemPackages.contains(ps.name)) { 9896 // For legacy system apps, install becomes runtime. 9897 // We cannot check hasInstallPermission() for system apps since those 9898 // permissions were granted implicitly and not persisted pre-M. 9899 grant = GRANT_UPGRADE; 9900 } else { 9901 // For modern apps keep runtime permissions unchanged. 9902 grant = GRANT_RUNTIME; 9903 } 9904 } break; 9905 9906 case PermissionInfo.PROTECTION_SIGNATURE: { 9907 // For all apps signature permissions are install time ones. 9908 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9909 if (allowedSig) { 9910 grant = GRANT_INSTALL; 9911 } 9912 } break; 9913 } 9914 9915 if (DEBUG_INSTALL) { 9916 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9917 } 9918 9919 if (grant != GRANT_DENIED) { 9920 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9921 // If this is an existing, non-system package, then 9922 // we can't add any new permissions to it. 9923 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9924 // Except... if this is a permission that was added 9925 // to the platform (note: need to only do this when 9926 // updating the platform). 9927 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9928 grant = GRANT_DENIED; 9929 } 9930 } 9931 } 9932 9933 switch (grant) { 9934 case GRANT_INSTALL: { 9935 // Revoke this as runtime permission to handle the case of 9936 // a runtime permission being downgraded to an install one. 9937 // Also in permission review mode we keep dangerous permissions 9938 // for legacy apps 9939 for (int userId : UserManagerService.getInstance().getUserIds()) { 9940 if (origPermissions.getRuntimePermissionState( 9941 bp.name, userId) != null) { 9942 // Revoke the runtime permission and clear the flags. 9943 origPermissions.revokeRuntimePermission(bp, userId); 9944 origPermissions.updatePermissionFlags(bp, userId, 9945 PackageManager.MASK_PERMISSION_FLAGS, 0); 9946 // If we revoked a permission permission, we have to write. 9947 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9948 changedRuntimePermissionUserIds, userId); 9949 } 9950 } 9951 // Grant an install permission. 9952 if (permissionsState.grantInstallPermission(bp) != 9953 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9954 changedInstallPermission = true; 9955 } 9956 } break; 9957 9958 case GRANT_RUNTIME: { 9959 // Grant previously granted runtime permissions. 9960 for (int userId : UserManagerService.getInstance().getUserIds()) { 9961 PermissionState permissionState = origPermissions 9962 .getRuntimePermissionState(bp.name, userId); 9963 int flags = permissionState != null 9964 ? permissionState.getFlags() : 0; 9965 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9966 if (permissionsState.grantRuntimePermission(bp, userId) == 9967 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9968 // If we cannot put the permission as it was, we have to write. 9969 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9970 changedRuntimePermissionUserIds, userId); 9971 } 9972 // If the app supports runtime permissions no need for a review. 9973 if (Build.PERMISSIONS_REVIEW_REQUIRED 9974 && appSupportsRuntimePermissions 9975 && (flags & PackageManager 9976 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9977 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9978 // Since we changed the flags, we have to write. 9979 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9980 changedRuntimePermissionUserIds, userId); 9981 } 9982 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9983 && !appSupportsRuntimePermissions) { 9984 // For legacy apps that need a permission review, every new 9985 // runtime permission is granted but it is pending a review. 9986 // We also need to review only platform defined runtime 9987 // permissions as these are the only ones the platform knows 9988 // how to disable the API to simulate revocation as legacy 9989 // apps don't expect to run with revoked permissions. 9990 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9991 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9992 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9993 // We changed the flags, hence have to write. 9994 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9995 changedRuntimePermissionUserIds, userId); 9996 } 9997 } 9998 if (permissionsState.grantRuntimePermission(bp, userId) 9999 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10000 // We changed the permission, hence have to write. 10001 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10002 changedRuntimePermissionUserIds, userId); 10003 } 10004 } 10005 // Propagate the permission flags. 10006 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10007 } 10008 } break; 10009 10010 case GRANT_UPGRADE: { 10011 // Grant runtime permissions for a previously held install permission. 10012 PermissionState permissionState = origPermissions 10013 .getInstallPermissionState(bp.name); 10014 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10015 10016 if (origPermissions.revokeInstallPermission(bp) 10017 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10018 // We will be transferring the permission flags, so clear them. 10019 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10020 PackageManager.MASK_PERMISSION_FLAGS, 0); 10021 changedInstallPermission = true; 10022 } 10023 10024 // If the permission is not to be promoted to runtime we ignore it and 10025 // also its other flags as they are not applicable to install permissions. 10026 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10027 for (int userId : currentUserIds) { 10028 if (permissionsState.grantRuntimePermission(bp, userId) != 10029 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10030 // Transfer the permission flags. 10031 permissionsState.updatePermissionFlags(bp, userId, 10032 flags, flags); 10033 // If we granted the permission, we have to write. 10034 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10035 changedRuntimePermissionUserIds, userId); 10036 } 10037 } 10038 } 10039 } break; 10040 10041 default: { 10042 if (packageOfInterest == null 10043 || packageOfInterest.equals(pkg.packageName)) { 10044 Slog.w(TAG, "Not granting permission " + perm 10045 + " to package " + pkg.packageName 10046 + " because it was previously installed without"); 10047 } 10048 } break; 10049 } 10050 } else { 10051 if (permissionsState.revokeInstallPermission(bp) != 10052 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10053 // Also drop the permission flags. 10054 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10055 PackageManager.MASK_PERMISSION_FLAGS, 0); 10056 changedInstallPermission = true; 10057 Slog.i(TAG, "Un-granting permission " + perm 10058 + " from package " + pkg.packageName 10059 + " (protectionLevel=" + bp.protectionLevel 10060 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10061 + ")"); 10062 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10063 // Don't print warning for app op permissions, since it is fine for them 10064 // not to be granted, there is a UI for the user to decide. 10065 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10066 Slog.w(TAG, "Not granting permission " + perm 10067 + " to package " + pkg.packageName 10068 + " (protectionLevel=" + bp.protectionLevel 10069 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10070 + ")"); 10071 } 10072 } 10073 } 10074 } 10075 10076 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10077 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10078 // This is the first that we have heard about this package, so the 10079 // permissions we have now selected are fixed until explicitly 10080 // changed. 10081 ps.installPermissionsFixed = true; 10082 } 10083 10084 // Persist the runtime permissions state for users with changes. If permissions 10085 // were revoked because no app in the shared user declares them we have to 10086 // write synchronously to avoid losing runtime permissions state. 10087 for (int userId : changedRuntimePermissionUserIds) { 10088 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10089 } 10090 10091 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10092 } 10093 10094 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10095 boolean allowed = false; 10096 final int NP = PackageParser.NEW_PERMISSIONS.length; 10097 for (int ip=0; ip<NP; ip++) { 10098 final PackageParser.NewPermissionInfo npi 10099 = PackageParser.NEW_PERMISSIONS[ip]; 10100 if (npi.name.equals(perm) 10101 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10102 allowed = true; 10103 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10104 + pkg.packageName); 10105 break; 10106 } 10107 } 10108 return allowed; 10109 } 10110 10111 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10112 BasePermission bp, PermissionsState origPermissions) { 10113 boolean allowed; 10114 allowed = (compareSignatures( 10115 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10116 == PackageManager.SIGNATURE_MATCH) 10117 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10118 == PackageManager.SIGNATURE_MATCH); 10119 if (!allowed && (bp.protectionLevel 10120 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10121 if (isSystemApp(pkg)) { 10122 // For updated system applications, a system permission 10123 // is granted only if it had been defined by the original application. 10124 if (pkg.isUpdatedSystemApp()) { 10125 final PackageSetting sysPs = mSettings 10126 .getDisabledSystemPkgLPr(pkg.packageName); 10127 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10128 // If the original was granted this permission, we take 10129 // that grant decision as read and propagate it to the 10130 // update. 10131 if (sysPs.isPrivileged()) { 10132 allowed = true; 10133 } 10134 } else { 10135 // The system apk may have been updated with an older 10136 // version of the one on the data partition, but which 10137 // granted a new system permission that it didn't have 10138 // before. In this case we do want to allow the app to 10139 // now get the new permission if the ancestral apk is 10140 // privileged to get it. 10141 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10142 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10143 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10144 allowed = true; 10145 break; 10146 } 10147 } 10148 } 10149 // Also if a privileged parent package on the system image or any of 10150 // its children requested a privileged permission, the updated child 10151 // packages can also get the permission. 10152 if (pkg.parentPackage != null) { 10153 final PackageSetting disabledSysParentPs = mSettings 10154 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10155 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10156 && disabledSysParentPs.isPrivileged()) { 10157 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10158 allowed = true; 10159 } else if (disabledSysParentPs.pkg.childPackages != null) { 10160 final int count = disabledSysParentPs.pkg.childPackages.size(); 10161 for (int i = 0; i < count; i++) { 10162 PackageParser.Package disabledSysChildPkg = 10163 disabledSysParentPs.pkg.childPackages.get(i); 10164 if (isPackageRequestingPermission(disabledSysChildPkg, 10165 perm)) { 10166 allowed = true; 10167 break; 10168 } 10169 } 10170 } 10171 } 10172 } 10173 } 10174 } else { 10175 allowed = isPrivilegedApp(pkg); 10176 } 10177 } 10178 } 10179 if (!allowed) { 10180 if (!allowed && (bp.protectionLevel 10181 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10182 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10183 // If this was a previously normal/dangerous permission that got moved 10184 // to a system permission as part of the runtime permission redesign, then 10185 // we still want to blindly grant it to old apps. 10186 allowed = true; 10187 } 10188 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10189 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10190 // If this permission is to be granted to the system installer and 10191 // this app is an installer, then it gets the permission. 10192 allowed = true; 10193 } 10194 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10195 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10196 // If this permission is to be granted to the system verifier and 10197 // this app is a verifier, then it gets the permission. 10198 allowed = true; 10199 } 10200 if (!allowed && (bp.protectionLevel 10201 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10202 && isSystemApp(pkg)) { 10203 // Any pre-installed system app is allowed to get this permission. 10204 allowed = true; 10205 } 10206 if (!allowed && (bp.protectionLevel 10207 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10208 // For development permissions, a development permission 10209 // is granted only if it was already granted. 10210 allowed = origPermissions.hasInstallPermission(perm); 10211 } 10212 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10213 && pkg.packageName.equals(mSetupWizardPackage)) { 10214 // If this permission is to be granted to the system setup wizard and 10215 // this app is a setup wizard, then it gets the permission. 10216 allowed = true; 10217 } 10218 } 10219 return allowed; 10220 } 10221 10222 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10223 final int permCount = pkg.requestedPermissions.size(); 10224 for (int j = 0; j < permCount; j++) { 10225 String requestedPermission = pkg.requestedPermissions.get(j); 10226 if (permission.equals(requestedPermission)) { 10227 return true; 10228 } 10229 } 10230 return false; 10231 } 10232 10233 final class ActivityIntentResolver 10234 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10235 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10236 boolean defaultOnly, int userId) { 10237 if (!sUserManager.exists(userId)) return null; 10238 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10239 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10240 } 10241 10242 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10243 int userId) { 10244 if (!sUserManager.exists(userId)) return null; 10245 mFlags = flags; 10246 return super.queryIntent(intent, resolvedType, 10247 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10248 } 10249 10250 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10251 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10252 if (!sUserManager.exists(userId)) return null; 10253 if (packageActivities == null) { 10254 return null; 10255 } 10256 mFlags = flags; 10257 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10258 final int N = packageActivities.size(); 10259 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10260 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10261 10262 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10263 for (int i = 0; i < N; ++i) { 10264 intentFilters = packageActivities.get(i).intents; 10265 if (intentFilters != null && intentFilters.size() > 0) { 10266 PackageParser.ActivityIntentInfo[] array = 10267 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10268 intentFilters.toArray(array); 10269 listCut.add(array); 10270 } 10271 } 10272 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10273 } 10274 10275 /** 10276 * Finds a privileged activity that matches the specified activity names. 10277 */ 10278 private PackageParser.Activity findMatchingActivity( 10279 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10280 for (PackageParser.Activity sysActivity : activityList) { 10281 if (sysActivity.info.name.equals(activityInfo.name)) { 10282 return sysActivity; 10283 } 10284 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10285 return sysActivity; 10286 } 10287 if (sysActivity.info.targetActivity != null) { 10288 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10289 return sysActivity; 10290 } 10291 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10292 return sysActivity; 10293 } 10294 } 10295 } 10296 return null; 10297 } 10298 10299 public class IterGenerator<E> { 10300 public Iterator<E> generate(ActivityIntentInfo info) { 10301 return null; 10302 } 10303 } 10304 10305 public class ActionIterGenerator extends IterGenerator<String> { 10306 @Override 10307 public Iterator<String> generate(ActivityIntentInfo info) { 10308 return info.actionsIterator(); 10309 } 10310 } 10311 10312 public class CategoriesIterGenerator extends IterGenerator<String> { 10313 @Override 10314 public Iterator<String> generate(ActivityIntentInfo info) { 10315 return info.categoriesIterator(); 10316 } 10317 } 10318 10319 public class SchemesIterGenerator extends IterGenerator<String> { 10320 @Override 10321 public Iterator<String> generate(ActivityIntentInfo info) { 10322 return info.schemesIterator(); 10323 } 10324 } 10325 10326 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10327 @Override 10328 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10329 return info.authoritiesIterator(); 10330 } 10331 } 10332 10333 /** 10334 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10335 * MODIFIED. Do not pass in a list that should not be changed. 10336 */ 10337 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10338 IterGenerator<T> generator, Iterator<T> searchIterator) { 10339 // loop through the set of actions; every one must be found in the intent filter 10340 while (searchIterator.hasNext()) { 10341 // we must have at least one filter in the list to consider a match 10342 if (intentList.size() == 0) { 10343 break; 10344 } 10345 10346 final T searchAction = searchIterator.next(); 10347 10348 // loop through the set of intent filters 10349 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10350 while (intentIter.hasNext()) { 10351 final ActivityIntentInfo intentInfo = intentIter.next(); 10352 boolean selectionFound = false; 10353 10354 // loop through the intent filter's selection criteria; at least one 10355 // of them must match the searched criteria 10356 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10357 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10358 final T intentSelection = intentSelectionIter.next(); 10359 if (intentSelection != null && intentSelection.equals(searchAction)) { 10360 selectionFound = true; 10361 break; 10362 } 10363 } 10364 10365 // the selection criteria wasn't found in this filter's set; this filter 10366 // is not a potential match 10367 if (!selectionFound) { 10368 intentIter.remove(); 10369 } 10370 } 10371 } 10372 } 10373 10374 private boolean isProtectedAction(ActivityIntentInfo filter) { 10375 final Iterator<String> actionsIter = filter.actionsIterator(); 10376 while (actionsIter != null && actionsIter.hasNext()) { 10377 final String filterAction = actionsIter.next(); 10378 if (PROTECTED_ACTIONS.contains(filterAction)) { 10379 return true; 10380 } 10381 } 10382 return false; 10383 } 10384 10385 /** 10386 * Adjusts the priority of the given intent filter according to policy. 10387 * <p> 10388 * <ul> 10389 * <li>The priority for non privileged applications is capped to '0'</li> 10390 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10391 * <li>The priority for unbundled updates to privileged applications is capped to the 10392 * priority defined on the system partition</li> 10393 * </ul> 10394 * <p> 10395 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10396 * allowed to obtain any priority on any action. 10397 */ 10398 private void adjustPriority( 10399 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10400 // nothing to do; priority is fine as-is 10401 if (intent.getPriority() <= 0) { 10402 return; 10403 } 10404 10405 final ActivityInfo activityInfo = intent.activity.info; 10406 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10407 10408 final boolean privilegedApp = 10409 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10410 if (!privilegedApp) { 10411 // non-privileged applications can never define a priority >0 10412 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10413 + " package: " + applicationInfo.packageName 10414 + " activity: " + intent.activity.className 10415 + " origPrio: " + intent.getPriority()); 10416 intent.setPriority(0); 10417 return; 10418 } 10419 10420 if (systemActivities == null) { 10421 // the system package is not disabled; we're parsing the system partition 10422 if (isProtectedAction(intent)) { 10423 if (mDeferProtectedFilters) { 10424 // We can't deal with these just yet. No component should ever obtain a 10425 // >0 priority for a protected actions, with ONE exception -- the setup 10426 // wizard. The setup wizard, however, cannot be known until we're able to 10427 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10428 // until all intent filters have been processed. Chicken, meet egg. 10429 // Let the filter temporarily have a high priority and rectify the 10430 // priorities after all system packages have been scanned. 10431 mProtectedFilters.add(intent); 10432 if (DEBUG_FILTERS) { 10433 Slog.i(TAG, "Protected action; save for later;" 10434 + " package: " + applicationInfo.packageName 10435 + " activity: " + intent.activity.className 10436 + " origPrio: " + intent.getPriority()); 10437 } 10438 return; 10439 } else { 10440 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10441 Slog.i(TAG, "No setup wizard;" 10442 + " All protected intents capped to priority 0"); 10443 } 10444 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10445 if (DEBUG_FILTERS) { 10446 Slog.i(TAG, "Found setup wizard;" 10447 + " allow priority " + intent.getPriority() + ";" 10448 + " package: " + intent.activity.info.packageName 10449 + " activity: " + intent.activity.className 10450 + " priority: " + intent.getPriority()); 10451 } 10452 // setup wizard gets whatever it wants 10453 return; 10454 } 10455 Slog.w(TAG, "Protected action; cap priority to 0;" 10456 + " package: " + intent.activity.info.packageName 10457 + " activity: " + intent.activity.className 10458 + " origPrio: " + intent.getPriority()); 10459 intent.setPriority(0); 10460 return; 10461 } 10462 } 10463 // privileged apps on the system image get whatever priority they request 10464 return; 10465 } 10466 10467 // privileged app unbundled update ... try to find the same activity 10468 final PackageParser.Activity foundActivity = 10469 findMatchingActivity(systemActivities, activityInfo); 10470 if (foundActivity == null) { 10471 // this is a new activity; it cannot obtain >0 priority 10472 if (DEBUG_FILTERS) { 10473 Slog.i(TAG, "New activity; cap priority to 0;" 10474 + " package: " + applicationInfo.packageName 10475 + " activity: " + intent.activity.className 10476 + " origPrio: " + intent.getPriority()); 10477 } 10478 intent.setPriority(0); 10479 return; 10480 } 10481 10482 // found activity, now check for filter equivalence 10483 10484 // a shallow copy is enough; we modify the list, not its contents 10485 final List<ActivityIntentInfo> intentListCopy = 10486 new ArrayList<>(foundActivity.intents); 10487 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10488 10489 // find matching action subsets 10490 final Iterator<String> actionsIterator = intent.actionsIterator(); 10491 if (actionsIterator != null) { 10492 getIntentListSubset( 10493 intentListCopy, new ActionIterGenerator(), actionsIterator); 10494 if (intentListCopy.size() == 0) { 10495 // no more intents to match; we're not equivalent 10496 if (DEBUG_FILTERS) { 10497 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10498 + " package: " + applicationInfo.packageName 10499 + " activity: " + intent.activity.className 10500 + " origPrio: " + intent.getPriority()); 10501 } 10502 intent.setPriority(0); 10503 return; 10504 } 10505 } 10506 10507 // find matching category subsets 10508 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10509 if (categoriesIterator != null) { 10510 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10511 categoriesIterator); 10512 if (intentListCopy.size() == 0) { 10513 // no more intents to match; we're not equivalent 10514 if (DEBUG_FILTERS) { 10515 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10516 + " package: " + applicationInfo.packageName 10517 + " activity: " + intent.activity.className 10518 + " origPrio: " + intent.getPriority()); 10519 } 10520 intent.setPriority(0); 10521 return; 10522 } 10523 } 10524 10525 // find matching schemes subsets 10526 final Iterator<String> schemesIterator = intent.schemesIterator(); 10527 if (schemesIterator != null) { 10528 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10529 schemesIterator); 10530 if (intentListCopy.size() == 0) { 10531 // no more intents to match; we're not equivalent 10532 if (DEBUG_FILTERS) { 10533 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10534 + " package: " + applicationInfo.packageName 10535 + " activity: " + intent.activity.className 10536 + " origPrio: " + intent.getPriority()); 10537 } 10538 intent.setPriority(0); 10539 return; 10540 } 10541 } 10542 10543 // find matching authorities subsets 10544 final Iterator<IntentFilter.AuthorityEntry> 10545 authoritiesIterator = intent.authoritiesIterator(); 10546 if (authoritiesIterator != null) { 10547 getIntentListSubset(intentListCopy, 10548 new AuthoritiesIterGenerator(), 10549 authoritiesIterator); 10550 if (intentListCopy.size() == 0) { 10551 // no more intents to match; we're not equivalent 10552 if (DEBUG_FILTERS) { 10553 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10554 + " package: " + applicationInfo.packageName 10555 + " activity: " + intent.activity.className 10556 + " origPrio: " + intent.getPriority()); 10557 } 10558 intent.setPriority(0); 10559 return; 10560 } 10561 } 10562 10563 // we found matching filter(s); app gets the max priority of all intents 10564 int cappedPriority = 0; 10565 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10566 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10567 } 10568 if (intent.getPriority() > cappedPriority) { 10569 if (DEBUG_FILTERS) { 10570 Slog.i(TAG, "Found matching filter(s);" 10571 + " cap priority to " + cappedPriority + ";" 10572 + " package: " + applicationInfo.packageName 10573 + " activity: " + intent.activity.className 10574 + " origPrio: " + intent.getPriority()); 10575 } 10576 intent.setPriority(cappedPriority); 10577 return; 10578 } 10579 // all this for nothing; the requested priority was <= what was on the system 10580 } 10581 10582 public final void addActivity(PackageParser.Activity a, String type) { 10583 mActivities.put(a.getComponentName(), a); 10584 if (DEBUG_SHOW_INFO) 10585 Log.v( 10586 TAG, " " + type + " " + 10587 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10588 if (DEBUG_SHOW_INFO) 10589 Log.v(TAG, " Class=" + a.info.name); 10590 final int NI = a.intents.size(); 10591 for (int j=0; j<NI; j++) { 10592 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10593 if ("activity".equals(type)) { 10594 final PackageSetting ps = 10595 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10596 final List<PackageParser.Activity> systemActivities = 10597 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10598 adjustPriority(systemActivities, intent); 10599 } 10600 if (DEBUG_SHOW_INFO) { 10601 Log.v(TAG, " IntentFilter:"); 10602 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10603 } 10604 if (!intent.debugCheck()) { 10605 Log.w(TAG, "==> For Activity " + a.info.name); 10606 } 10607 addFilter(intent); 10608 } 10609 } 10610 10611 public final void removeActivity(PackageParser.Activity a, String type) { 10612 mActivities.remove(a.getComponentName()); 10613 if (DEBUG_SHOW_INFO) { 10614 Log.v(TAG, " " + type + " " 10615 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10616 : a.info.name) + ":"); 10617 Log.v(TAG, " Class=" + a.info.name); 10618 } 10619 final int NI = a.intents.size(); 10620 for (int j=0; j<NI; j++) { 10621 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10622 if (DEBUG_SHOW_INFO) { 10623 Log.v(TAG, " IntentFilter:"); 10624 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10625 } 10626 removeFilter(intent); 10627 } 10628 } 10629 10630 @Override 10631 protected boolean allowFilterResult( 10632 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10633 ActivityInfo filterAi = filter.activity.info; 10634 for (int i=dest.size()-1; i>=0; i--) { 10635 ActivityInfo destAi = dest.get(i).activityInfo; 10636 if (destAi.name == filterAi.name 10637 && destAi.packageName == filterAi.packageName) { 10638 return false; 10639 } 10640 } 10641 return true; 10642 } 10643 10644 @Override 10645 protected ActivityIntentInfo[] newArray(int size) { 10646 return new ActivityIntentInfo[size]; 10647 } 10648 10649 @Override 10650 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10651 if (!sUserManager.exists(userId)) return true; 10652 PackageParser.Package p = filter.activity.owner; 10653 if (p != null) { 10654 PackageSetting ps = (PackageSetting)p.mExtras; 10655 if (ps != null) { 10656 // System apps are never considered stopped for purposes of 10657 // filtering, because there may be no way for the user to 10658 // actually re-launch them. 10659 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10660 && ps.getStopped(userId); 10661 } 10662 } 10663 return false; 10664 } 10665 10666 @Override 10667 protected boolean isPackageForFilter(String packageName, 10668 PackageParser.ActivityIntentInfo info) { 10669 return packageName.equals(info.activity.owner.packageName); 10670 } 10671 10672 @Override 10673 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10674 int match, int userId) { 10675 if (!sUserManager.exists(userId)) return null; 10676 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10677 return null; 10678 } 10679 final PackageParser.Activity activity = info.activity; 10680 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10681 if (ps == null) { 10682 return null; 10683 } 10684 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10685 ps.readUserState(userId), userId); 10686 if (ai == null) { 10687 return null; 10688 } 10689 final ResolveInfo res = new ResolveInfo(); 10690 res.activityInfo = ai; 10691 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10692 res.filter = info; 10693 } 10694 if (info != null) { 10695 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10696 } 10697 res.priority = info.getPriority(); 10698 res.preferredOrder = activity.owner.mPreferredOrder; 10699 //System.out.println("Result: " + res.activityInfo.className + 10700 // " = " + res.priority); 10701 res.match = match; 10702 res.isDefault = info.hasDefault; 10703 res.labelRes = info.labelRes; 10704 res.nonLocalizedLabel = info.nonLocalizedLabel; 10705 if (userNeedsBadging(userId)) { 10706 res.noResourceId = true; 10707 } else { 10708 res.icon = info.icon; 10709 } 10710 res.iconResourceId = info.icon; 10711 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10712 return res; 10713 } 10714 10715 @Override 10716 protected void sortResults(List<ResolveInfo> results) { 10717 Collections.sort(results, mResolvePrioritySorter); 10718 } 10719 10720 @Override 10721 protected void dumpFilter(PrintWriter out, String prefix, 10722 PackageParser.ActivityIntentInfo filter) { 10723 out.print(prefix); out.print( 10724 Integer.toHexString(System.identityHashCode(filter.activity))); 10725 out.print(' '); 10726 filter.activity.printComponentShortName(out); 10727 out.print(" filter "); 10728 out.println(Integer.toHexString(System.identityHashCode(filter))); 10729 } 10730 10731 @Override 10732 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10733 return filter.activity; 10734 } 10735 10736 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10737 PackageParser.Activity activity = (PackageParser.Activity)label; 10738 out.print(prefix); out.print( 10739 Integer.toHexString(System.identityHashCode(activity))); 10740 out.print(' '); 10741 activity.printComponentShortName(out); 10742 if (count > 1) { 10743 out.print(" ("); out.print(count); out.print(" filters)"); 10744 } 10745 out.println(); 10746 } 10747 10748 // Keys are String (activity class name), values are Activity. 10749 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10750 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10751 private int mFlags; 10752 } 10753 10754 private final class ServiceIntentResolver 10755 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10756 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10757 boolean defaultOnly, int userId) { 10758 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10759 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10760 } 10761 10762 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10763 int userId) { 10764 if (!sUserManager.exists(userId)) return null; 10765 mFlags = flags; 10766 return super.queryIntent(intent, resolvedType, 10767 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10768 } 10769 10770 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10771 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10772 if (!sUserManager.exists(userId)) return null; 10773 if (packageServices == null) { 10774 return null; 10775 } 10776 mFlags = flags; 10777 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10778 final int N = packageServices.size(); 10779 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10780 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10781 10782 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10783 for (int i = 0; i < N; ++i) { 10784 intentFilters = packageServices.get(i).intents; 10785 if (intentFilters != null && intentFilters.size() > 0) { 10786 PackageParser.ServiceIntentInfo[] array = 10787 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10788 intentFilters.toArray(array); 10789 listCut.add(array); 10790 } 10791 } 10792 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10793 } 10794 10795 public final void addService(PackageParser.Service s) { 10796 mServices.put(s.getComponentName(), s); 10797 if (DEBUG_SHOW_INFO) { 10798 Log.v(TAG, " " 10799 + (s.info.nonLocalizedLabel != null 10800 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10801 Log.v(TAG, " Class=" + s.info.name); 10802 } 10803 final int NI = s.intents.size(); 10804 int j; 10805 for (j=0; j<NI; j++) { 10806 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10807 if (DEBUG_SHOW_INFO) { 10808 Log.v(TAG, " IntentFilter:"); 10809 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10810 } 10811 if (!intent.debugCheck()) { 10812 Log.w(TAG, "==> For Service " + s.info.name); 10813 } 10814 addFilter(intent); 10815 } 10816 } 10817 10818 public final void removeService(PackageParser.Service s) { 10819 mServices.remove(s.getComponentName()); 10820 if (DEBUG_SHOW_INFO) { 10821 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10822 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10823 Log.v(TAG, " Class=" + s.info.name); 10824 } 10825 final int NI = s.intents.size(); 10826 int j; 10827 for (j=0; j<NI; j++) { 10828 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10829 if (DEBUG_SHOW_INFO) { 10830 Log.v(TAG, " IntentFilter:"); 10831 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10832 } 10833 removeFilter(intent); 10834 } 10835 } 10836 10837 @Override 10838 protected boolean allowFilterResult( 10839 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10840 ServiceInfo filterSi = filter.service.info; 10841 for (int i=dest.size()-1; i>=0; i--) { 10842 ServiceInfo destAi = dest.get(i).serviceInfo; 10843 if (destAi.name == filterSi.name 10844 && destAi.packageName == filterSi.packageName) { 10845 return false; 10846 } 10847 } 10848 return true; 10849 } 10850 10851 @Override 10852 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10853 return new PackageParser.ServiceIntentInfo[size]; 10854 } 10855 10856 @Override 10857 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10858 if (!sUserManager.exists(userId)) return true; 10859 PackageParser.Package p = filter.service.owner; 10860 if (p != null) { 10861 PackageSetting ps = (PackageSetting)p.mExtras; 10862 if (ps != null) { 10863 // System apps are never considered stopped for purposes of 10864 // filtering, because there may be no way for the user to 10865 // actually re-launch them. 10866 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10867 && ps.getStopped(userId); 10868 } 10869 } 10870 return false; 10871 } 10872 10873 @Override 10874 protected boolean isPackageForFilter(String packageName, 10875 PackageParser.ServiceIntentInfo info) { 10876 return packageName.equals(info.service.owner.packageName); 10877 } 10878 10879 @Override 10880 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10881 int match, int userId) { 10882 if (!sUserManager.exists(userId)) return null; 10883 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10884 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10885 return null; 10886 } 10887 final PackageParser.Service service = info.service; 10888 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10889 if (ps == null) { 10890 return null; 10891 } 10892 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10893 ps.readUserState(userId), userId); 10894 if (si == null) { 10895 return null; 10896 } 10897 final ResolveInfo res = new ResolveInfo(); 10898 res.serviceInfo = si; 10899 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10900 res.filter = filter; 10901 } 10902 res.priority = info.getPriority(); 10903 res.preferredOrder = service.owner.mPreferredOrder; 10904 res.match = match; 10905 res.isDefault = info.hasDefault; 10906 res.labelRes = info.labelRes; 10907 res.nonLocalizedLabel = info.nonLocalizedLabel; 10908 res.icon = info.icon; 10909 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10910 return res; 10911 } 10912 10913 @Override 10914 protected void sortResults(List<ResolveInfo> results) { 10915 Collections.sort(results, mResolvePrioritySorter); 10916 } 10917 10918 @Override 10919 protected void dumpFilter(PrintWriter out, String prefix, 10920 PackageParser.ServiceIntentInfo filter) { 10921 out.print(prefix); out.print( 10922 Integer.toHexString(System.identityHashCode(filter.service))); 10923 out.print(' '); 10924 filter.service.printComponentShortName(out); 10925 out.print(" filter "); 10926 out.println(Integer.toHexString(System.identityHashCode(filter))); 10927 } 10928 10929 @Override 10930 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10931 return filter.service; 10932 } 10933 10934 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10935 PackageParser.Service service = (PackageParser.Service)label; 10936 out.print(prefix); out.print( 10937 Integer.toHexString(System.identityHashCode(service))); 10938 out.print(' '); 10939 service.printComponentShortName(out); 10940 if (count > 1) { 10941 out.print(" ("); out.print(count); out.print(" filters)"); 10942 } 10943 out.println(); 10944 } 10945 10946// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10947// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10948// final List<ResolveInfo> retList = Lists.newArrayList(); 10949// while (i.hasNext()) { 10950// final ResolveInfo resolveInfo = (ResolveInfo) i; 10951// if (isEnabledLP(resolveInfo.serviceInfo)) { 10952// retList.add(resolveInfo); 10953// } 10954// } 10955// return retList; 10956// } 10957 10958 // Keys are String (activity class name), values are Activity. 10959 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10960 = new ArrayMap<ComponentName, PackageParser.Service>(); 10961 private int mFlags; 10962 }; 10963 10964 private final class ProviderIntentResolver 10965 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10966 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10967 boolean defaultOnly, int userId) { 10968 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10969 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10970 } 10971 10972 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10973 int userId) { 10974 if (!sUserManager.exists(userId)) 10975 return null; 10976 mFlags = flags; 10977 return super.queryIntent(intent, resolvedType, 10978 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10979 } 10980 10981 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10982 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10983 if (!sUserManager.exists(userId)) 10984 return null; 10985 if (packageProviders == null) { 10986 return null; 10987 } 10988 mFlags = flags; 10989 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10990 final int N = packageProviders.size(); 10991 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10992 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10993 10994 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10995 for (int i = 0; i < N; ++i) { 10996 intentFilters = packageProviders.get(i).intents; 10997 if (intentFilters != null && intentFilters.size() > 0) { 10998 PackageParser.ProviderIntentInfo[] array = 10999 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11000 intentFilters.toArray(array); 11001 listCut.add(array); 11002 } 11003 } 11004 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11005 } 11006 11007 public final void addProvider(PackageParser.Provider p) { 11008 if (mProviders.containsKey(p.getComponentName())) { 11009 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11010 return; 11011 } 11012 11013 mProviders.put(p.getComponentName(), p); 11014 if (DEBUG_SHOW_INFO) { 11015 Log.v(TAG, " " 11016 + (p.info.nonLocalizedLabel != null 11017 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11018 Log.v(TAG, " Class=" + p.info.name); 11019 } 11020 final int NI = p.intents.size(); 11021 int j; 11022 for (j = 0; j < NI; j++) { 11023 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11024 if (DEBUG_SHOW_INFO) { 11025 Log.v(TAG, " IntentFilter:"); 11026 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11027 } 11028 if (!intent.debugCheck()) { 11029 Log.w(TAG, "==> For Provider " + p.info.name); 11030 } 11031 addFilter(intent); 11032 } 11033 } 11034 11035 public final void removeProvider(PackageParser.Provider p) { 11036 mProviders.remove(p.getComponentName()); 11037 if (DEBUG_SHOW_INFO) { 11038 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11039 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11040 Log.v(TAG, " Class=" + p.info.name); 11041 } 11042 final int NI = p.intents.size(); 11043 int j; 11044 for (j = 0; j < NI; j++) { 11045 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11046 if (DEBUG_SHOW_INFO) { 11047 Log.v(TAG, " IntentFilter:"); 11048 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11049 } 11050 removeFilter(intent); 11051 } 11052 } 11053 11054 @Override 11055 protected boolean allowFilterResult( 11056 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11057 ProviderInfo filterPi = filter.provider.info; 11058 for (int i = dest.size() - 1; i >= 0; i--) { 11059 ProviderInfo destPi = dest.get(i).providerInfo; 11060 if (destPi.name == filterPi.name 11061 && destPi.packageName == filterPi.packageName) { 11062 return false; 11063 } 11064 } 11065 return true; 11066 } 11067 11068 @Override 11069 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11070 return new PackageParser.ProviderIntentInfo[size]; 11071 } 11072 11073 @Override 11074 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11075 if (!sUserManager.exists(userId)) 11076 return true; 11077 PackageParser.Package p = filter.provider.owner; 11078 if (p != null) { 11079 PackageSetting ps = (PackageSetting) p.mExtras; 11080 if (ps != null) { 11081 // System apps are never considered stopped for purposes of 11082 // filtering, because there may be no way for the user to 11083 // actually re-launch them. 11084 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11085 && ps.getStopped(userId); 11086 } 11087 } 11088 return false; 11089 } 11090 11091 @Override 11092 protected boolean isPackageForFilter(String packageName, 11093 PackageParser.ProviderIntentInfo info) { 11094 return packageName.equals(info.provider.owner.packageName); 11095 } 11096 11097 @Override 11098 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11099 int match, int userId) { 11100 if (!sUserManager.exists(userId)) 11101 return null; 11102 final PackageParser.ProviderIntentInfo info = filter; 11103 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11104 return null; 11105 } 11106 final PackageParser.Provider provider = info.provider; 11107 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11108 if (ps == null) { 11109 return null; 11110 } 11111 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11112 ps.readUserState(userId), userId); 11113 if (pi == null) { 11114 return null; 11115 } 11116 final ResolveInfo res = new ResolveInfo(); 11117 res.providerInfo = pi; 11118 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11119 res.filter = filter; 11120 } 11121 res.priority = info.getPriority(); 11122 res.preferredOrder = provider.owner.mPreferredOrder; 11123 res.match = match; 11124 res.isDefault = info.hasDefault; 11125 res.labelRes = info.labelRes; 11126 res.nonLocalizedLabel = info.nonLocalizedLabel; 11127 res.icon = info.icon; 11128 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11129 return res; 11130 } 11131 11132 @Override 11133 protected void sortResults(List<ResolveInfo> results) { 11134 Collections.sort(results, mResolvePrioritySorter); 11135 } 11136 11137 @Override 11138 protected void dumpFilter(PrintWriter out, String prefix, 11139 PackageParser.ProviderIntentInfo filter) { 11140 out.print(prefix); 11141 out.print( 11142 Integer.toHexString(System.identityHashCode(filter.provider))); 11143 out.print(' '); 11144 filter.provider.printComponentShortName(out); 11145 out.print(" filter "); 11146 out.println(Integer.toHexString(System.identityHashCode(filter))); 11147 } 11148 11149 @Override 11150 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11151 return filter.provider; 11152 } 11153 11154 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11155 PackageParser.Provider provider = (PackageParser.Provider)label; 11156 out.print(prefix); out.print( 11157 Integer.toHexString(System.identityHashCode(provider))); 11158 out.print(' '); 11159 provider.printComponentShortName(out); 11160 if (count > 1) { 11161 out.print(" ("); out.print(count); out.print(" filters)"); 11162 } 11163 out.println(); 11164 } 11165 11166 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11167 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11168 private int mFlags; 11169 } 11170 11171 private static final class EphemeralIntentResolver 11172 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11173 @Override 11174 protected EphemeralResolveIntentInfo[] newArray(int size) { 11175 return new EphemeralResolveIntentInfo[size]; 11176 } 11177 11178 @Override 11179 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11180 return true; 11181 } 11182 11183 @Override 11184 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11185 int userId) { 11186 if (!sUserManager.exists(userId)) { 11187 return null; 11188 } 11189 return info.getEphemeralResolveInfo(); 11190 } 11191 } 11192 11193 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11194 new Comparator<ResolveInfo>() { 11195 public int compare(ResolveInfo r1, ResolveInfo r2) { 11196 int v1 = r1.priority; 11197 int v2 = r2.priority; 11198 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11199 if (v1 != v2) { 11200 return (v1 > v2) ? -1 : 1; 11201 } 11202 v1 = r1.preferredOrder; 11203 v2 = r2.preferredOrder; 11204 if (v1 != v2) { 11205 return (v1 > v2) ? -1 : 1; 11206 } 11207 if (r1.isDefault != r2.isDefault) { 11208 return r1.isDefault ? -1 : 1; 11209 } 11210 v1 = r1.match; 11211 v2 = r2.match; 11212 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11213 if (v1 != v2) { 11214 return (v1 > v2) ? -1 : 1; 11215 } 11216 if (r1.system != r2.system) { 11217 return r1.system ? -1 : 1; 11218 } 11219 if (r1.activityInfo != null) { 11220 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11221 } 11222 if (r1.serviceInfo != null) { 11223 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11224 } 11225 if (r1.providerInfo != null) { 11226 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11227 } 11228 return 0; 11229 } 11230 }; 11231 11232 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11233 new Comparator<ProviderInfo>() { 11234 public int compare(ProviderInfo p1, ProviderInfo p2) { 11235 final int v1 = p1.initOrder; 11236 final int v2 = p2.initOrder; 11237 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11238 } 11239 }; 11240 11241 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11242 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11243 final int[] userIds) { 11244 mHandler.post(new Runnable() { 11245 @Override 11246 public void run() { 11247 try { 11248 final IActivityManager am = ActivityManagerNative.getDefault(); 11249 if (am == null) return; 11250 final int[] resolvedUserIds; 11251 if (userIds == null) { 11252 resolvedUserIds = am.getRunningUserIds(); 11253 } else { 11254 resolvedUserIds = userIds; 11255 } 11256 for (int id : resolvedUserIds) { 11257 final Intent intent = new Intent(action, 11258 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11259 if (extras != null) { 11260 intent.putExtras(extras); 11261 } 11262 if (targetPkg != null) { 11263 intent.setPackage(targetPkg); 11264 } 11265 // Modify the UID when posting to other users 11266 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11267 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11268 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11269 intent.putExtra(Intent.EXTRA_UID, uid); 11270 } 11271 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11272 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11273 if (DEBUG_BROADCASTS) { 11274 RuntimeException here = new RuntimeException("here"); 11275 here.fillInStackTrace(); 11276 Slog.d(TAG, "Sending to user " + id + ": " 11277 + intent.toShortString(false, true, false, false) 11278 + " " + intent.getExtras(), here); 11279 } 11280 am.broadcastIntent(null, intent, null, finishedReceiver, 11281 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11282 null, finishedReceiver != null, false, id); 11283 } 11284 } catch (RemoteException ex) { 11285 } 11286 } 11287 }); 11288 } 11289 11290 /** 11291 * Check if the external storage media is available. This is true if there 11292 * is a mounted external storage medium or if the external storage is 11293 * emulated. 11294 */ 11295 private boolean isExternalMediaAvailable() { 11296 return mMediaMounted || Environment.isExternalStorageEmulated(); 11297 } 11298 11299 @Override 11300 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11301 // writer 11302 synchronized (mPackages) { 11303 if (!isExternalMediaAvailable()) { 11304 // If the external storage is no longer mounted at this point, 11305 // the caller may not have been able to delete all of this 11306 // packages files and can not delete any more. Bail. 11307 return null; 11308 } 11309 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11310 if (lastPackage != null) { 11311 pkgs.remove(lastPackage); 11312 } 11313 if (pkgs.size() > 0) { 11314 return pkgs.get(0); 11315 } 11316 } 11317 return null; 11318 } 11319 11320 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11321 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11322 userId, andCode ? 1 : 0, packageName); 11323 if (mSystemReady) { 11324 msg.sendToTarget(); 11325 } else { 11326 if (mPostSystemReadyMessages == null) { 11327 mPostSystemReadyMessages = new ArrayList<>(); 11328 } 11329 mPostSystemReadyMessages.add(msg); 11330 } 11331 } 11332 11333 void startCleaningPackages() { 11334 // reader 11335 if (!isExternalMediaAvailable()) { 11336 return; 11337 } 11338 synchronized (mPackages) { 11339 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11340 return; 11341 } 11342 } 11343 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11344 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11345 IActivityManager am = ActivityManagerNative.getDefault(); 11346 if (am != null) { 11347 try { 11348 am.startService(null, intent, null, mContext.getOpPackageName(), 11349 UserHandle.USER_SYSTEM); 11350 } catch (RemoteException e) { 11351 } 11352 } 11353 } 11354 11355 @Override 11356 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11357 int installFlags, String installerPackageName, int userId) { 11358 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11359 11360 final int callingUid = Binder.getCallingUid(); 11361 enforceCrossUserPermission(callingUid, userId, 11362 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11363 11364 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11365 try { 11366 if (observer != null) { 11367 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11368 } 11369 } catch (RemoteException re) { 11370 } 11371 return; 11372 } 11373 11374 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11375 installFlags |= PackageManager.INSTALL_FROM_ADB; 11376 11377 } else { 11378 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11379 // about installerPackageName. 11380 11381 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11382 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11383 } 11384 11385 UserHandle user; 11386 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11387 user = UserHandle.ALL; 11388 } else { 11389 user = new UserHandle(userId); 11390 } 11391 11392 // Only system components can circumvent runtime permissions when installing. 11393 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11394 && mContext.checkCallingOrSelfPermission(Manifest.permission 11395 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11396 throw new SecurityException("You need the " 11397 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11398 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11399 } 11400 11401 final File originFile = new File(originPath); 11402 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11403 11404 final Message msg = mHandler.obtainMessage(INIT_COPY); 11405 final VerificationInfo verificationInfo = new VerificationInfo( 11406 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11407 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11408 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11409 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11410 null /*certificates*/); 11411 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11412 msg.obj = params; 11413 11414 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11415 System.identityHashCode(msg.obj)); 11416 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11417 System.identityHashCode(msg.obj)); 11418 11419 mHandler.sendMessage(msg); 11420 } 11421 11422 void installStage(String packageName, File stagedDir, String stagedCid, 11423 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11424 String installerPackageName, int installerUid, UserHandle user, 11425 Certificate[][] certificates) { 11426 if (DEBUG_EPHEMERAL) { 11427 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11428 Slog.d(TAG, "Ephemeral install of " + packageName); 11429 } 11430 } 11431 final VerificationInfo verificationInfo = new VerificationInfo( 11432 sessionParams.originatingUri, sessionParams.referrerUri, 11433 sessionParams.originatingUid, installerUid); 11434 11435 final OriginInfo origin; 11436 if (stagedDir != null) { 11437 origin = OriginInfo.fromStagedFile(stagedDir); 11438 } else { 11439 origin = OriginInfo.fromStagedContainer(stagedCid); 11440 } 11441 11442 final Message msg = mHandler.obtainMessage(INIT_COPY); 11443 final InstallParams params = new InstallParams(origin, null, observer, 11444 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11445 verificationInfo, user, sessionParams.abiOverride, 11446 sessionParams.grantedRuntimePermissions, certificates); 11447 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11448 msg.obj = params; 11449 11450 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11451 System.identityHashCode(msg.obj)); 11452 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11453 System.identityHashCode(msg.obj)); 11454 11455 mHandler.sendMessage(msg); 11456 } 11457 11458 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11459 int userId) { 11460 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11461 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11462 } 11463 11464 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11465 int appId, int userId) { 11466 Bundle extras = new Bundle(1); 11467 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11468 11469 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11470 packageName, extras, 0, null, null, new int[] {userId}); 11471 try { 11472 IActivityManager am = ActivityManagerNative.getDefault(); 11473 if (isSystem && am.isUserRunning(userId, 0)) { 11474 // The just-installed/enabled app is bundled on the system, so presumed 11475 // to be able to run automatically without needing an explicit launch. 11476 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11477 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11478 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11479 .setPackage(packageName); 11480 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11481 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11482 } 11483 } catch (RemoteException e) { 11484 // shouldn't happen 11485 Slog.w(TAG, "Unable to bootstrap installed package", e); 11486 } 11487 } 11488 11489 @Override 11490 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11491 int userId) { 11492 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11493 PackageSetting pkgSetting; 11494 final int uid = Binder.getCallingUid(); 11495 enforceCrossUserPermission(uid, userId, 11496 true /* requireFullPermission */, true /* checkShell */, 11497 "setApplicationHiddenSetting for user " + userId); 11498 11499 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11500 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11501 return false; 11502 } 11503 11504 long callingId = Binder.clearCallingIdentity(); 11505 try { 11506 boolean sendAdded = false; 11507 boolean sendRemoved = false; 11508 // writer 11509 synchronized (mPackages) { 11510 pkgSetting = mSettings.mPackages.get(packageName); 11511 if (pkgSetting == null) { 11512 return false; 11513 } 11514 // Do not allow "android" is being disabled 11515 if ("android".equals(packageName)) { 11516 Slog.w(TAG, "Cannot hide package: android"); 11517 return false; 11518 } 11519 // Only allow protected packages to hide themselves. 11520 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11521 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11522 Slog.w(TAG, "Not hiding protected package: " + packageName); 11523 return false; 11524 } 11525 11526 if (pkgSetting.getHidden(userId) != hidden) { 11527 pkgSetting.setHidden(hidden, userId); 11528 mSettings.writePackageRestrictionsLPr(userId); 11529 if (hidden) { 11530 sendRemoved = true; 11531 } else { 11532 sendAdded = true; 11533 } 11534 } 11535 } 11536 if (sendAdded) { 11537 sendPackageAddedForUser(packageName, pkgSetting, userId); 11538 return true; 11539 } 11540 if (sendRemoved) { 11541 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11542 "hiding pkg"); 11543 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11544 return true; 11545 } 11546 } finally { 11547 Binder.restoreCallingIdentity(callingId); 11548 } 11549 return false; 11550 } 11551 11552 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11553 int userId) { 11554 final PackageRemovedInfo info = new PackageRemovedInfo(); 11555 info.removedPackage = packageName; 11556 info.removedUsers = new int[] {userId}; 11557 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11558 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11559 } 11560 11561 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11562 if (pkgList.length > 0) { 11563 Bundle extras = new Bundle(1); 11564 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11565 11566 sendPackageBroadcast( 11567 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11568 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11569 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11570 new int[] {userId}); 11571 } 11572 } 11573 11574 /** 11575 * Returns true if application is not found or there was an error. Otherwise it returns 11576 * the hidden state of the package for the given user. 11577 */ 11578 @Override 11579 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11580 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11581 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11582 true /* requireFullPermission */, false /* checkShell */, 11583 "getApplicationHidden for user " + userId); 11584 PackageSetting pkgSetting; 11585 long callingId = Binder.clearCallingIdentity(); 11586 try { 11587 // writer 11588 synchronized (mPackages) { 11589 pkgSetting = mSettings.mPackages.get(packageName); 11590 if (pkgSetting == null) { 11591 return true; 11592 } 11593 return pkgSetting.getHidden(userId); 11594 } 11595 } finally { 11596 Binder.restoreCallingIdentity(callingId); 11597 } 11598 } 11599 11600 /** 11601 * @hide 11602 */ 11603 @Override 11604 public int installExistingPackageAsUser(String packageName, int userId) { 11605 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11606 null); 11607 PackageSetting pkgSetting; 11608 final int uid = Binder.getCallingUid(); 11609 enforceCrossUserPermission(uid, userId, 11610 true /* requireFullPermission */, true /* checkShell */, 11611 "installExistingPackage for user " + userId); 11612 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11613 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11614 } 11615 11616 long callingId = Binder.clearCallingIdentity(); 11617 try { 11618 boolean installed = false; 11619 11620 // writer 11621 synchronized (mPackages) { 11622 pkgSetting = mSettings.mPackages.get(packageName); 11623 if (pkgSetting == null) { 11624 return PackageManager.INSTALL_FAILED_INVALID_URI; 11625 } 11626 if (!pkgSetting.getInstalled(userId)) { 11627 pkgSetting.setInstalled(true, userId); 11628 pkgSetting.setHidden(false, userId); 11629 mSettings.writePackageRestrictionsLPr(userId); 11630 installed = true; 11631 } 11632 } 11633 11634 if (installed) { 11635 if (pkgSetting.pkg != null) { 11636 synchronized (mInstallLock) { 11637 // We don't need to freeze for a brand new install 11638 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11639 } 11640 } 11641 sendPackageAddedForUser(packageName, pkgSetting, userId); 11642 } 11643 } finally { 11644 Binder.restoreCallingIdentity(callingId); 11645 } 11646 11647 return PackageManager.INSTALL_SUCCEEDED; 11648 } 11649 11650 boolean isUserRestricted(int userId, String restrictionKey) { 11651 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11652 if (restrictions.getBoolean(restrictionKey, false)) { 11653 Log.w(TAG, "User is restricted: " + restrictionKey); 11654 return true; 11655 } 11656 return false; 11657 } 11658 11659 @Override 11660 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11661 int userId) { 11662 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11663 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11664 true /* requireFullPermission */, true /* checkShell */, 11665 "setPackagesSuspended for user " + userId); 11666 11667 if (ArrayUtils.isEmpty(packageNames)) { 11668 return packageNames; 11669 } 11670 11671 // List of package names for whom the suspended state has changed. 11672 List<String> changedPackages = new ArrayList<>(packageNames.length); 11673 // List of package names for whom the suspended state is not set as requested in this 11674 // method. 11675 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11676 long callingId = Binder.clearCallingIdentity(); 11677 try { 11678 for (int i = 0; i < packageNames.length; i++) { 11679 String packageName = packageNames[i]; 11680 boolean changed = false; 11681 final int appId; 11682 synchronized (mPackages) { 11683 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11684 if (pkgSetting == null) { 11685 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11686 + "\". Skipping suspending/un-suspending."); 11687 unactionedPackages.add(packageName); 11688 continue; 11689 } 11690 appId = pkgSetting.appId; 11691 if (pkgSetting.getSuspended(userId) != suspended) { 11692 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11693 unactionedPackages.add(packageName); 11694 continue; 11695 } 11696 pkgSetting.setSuspended(suspended, userId); 11697 mSettings.writePackageRestrictionsLPr(userId); 11698 changed = true; 11699 changedPackages.add(packageName); 11700 } 11701 } 11702 11703 if (changed && suspended) { 11704 killApplication(packageName, UserHandle.getUid(userId, appId), 11705 "suspending package"); 11706 } 11707 } 11708 } finally { 11709 Binder.restoreCallingIdentity(callingId); 11710 } 11711 11712 if (!changedPackages.isEmpty()) { 11713 sendPackagesSuspendedForUser(changedPackages.toArray( 11714 new String[changedPackages.size()]), userId, suspended); 11715 } 11716 11717 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11718 } 11719 11720 @Override 11721 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11722 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11723 true /* requireFullPermission */, false /* checkShell */, 11724 "isPackageSuspendedForUser for user " + userId); 11725 synchronized (mPackages) { 11726 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11727 if (pkgSetting == null) { 11728 throw new IllegalArgumentException("Unknown target package: " + packageName); 11729 } 11730 return pkgSetting.getSuspended(userId); 11731 } 11732 } 11733 11734 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11735 if (isPackageDeviceAdmin(packageName, userId)) { 11736 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11737 + "\": has an active device admin"); 11738 return false; 11739 } 11740 11741 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11742 if (packageName.equals(activeLauncherPackageName)) { 11743 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11744 + "\": contains the active launcher"); 11745 return false; 11746 } 11747 11748 if (packageName.equals(mRequiredInstallerPackage)) { 11749 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11750 + "\": required for package installation"); 11751 return false; 11752 } 11753 11754 if (packageName.equals(mRequiredVerifierPackage)) { 11755 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11756 + "\": required for package verification"); 11757 return false; 11758 } 11759 11760 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11761 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11762 + "\": is the default dialer"); 11763 return false; 11764 } 11765 11766 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11767 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11768 + "\": protected package"); 11769 return false; 11770 } 11771 11772 return true; 11773 } 11774 11775 private String getActiveLauncherPackageName(int userId) { 11776 Intent intent = new Intent(Intent.ACTION_MAIN); 11777 intent.addCategory(Intent.CATEGORY_HOME); 11778 ResolveInfo resolveInfo = resolveIntent( 11779 intent, 11780 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11781 PackageManager.MATCH_DEFAULT_ONLY, 11782 userId); 11783 11784 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11785 } 11786 11787 private String getDefaultDialerPackageName(int userId) { 11788 synchronized (mPackages) { 11789 return mSettings.getDefaultDialerPackageNameLPw(userId); 11790 } 11791 } 11792 11793 @Override 11794 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11795 mContext.enforceCallingOrSelfPermission( 11796 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11797 "Only package verification agents can verify applications"); 11798 11799 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11800 final PackageVerificationResponse response = new PackageVerificationResponse( 11801 verificationCode, Binder.getCallingUid()); 11802 msg.arg1 = id; 11803 msg.obj = response; 11804 mHandler.sendMessage(msg); 11805 } 11806 11807 @Override 11808 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11809 long millisecondsToDelay) { 11810 mContext.enforceCallingOrSelfPermission( 11811 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11812 "Only package verification agents can extend verification timeouts"); 11813 11814 final PackageVerificationState state = mPendingVerification.get(id); 11815 final PackageVerificationResponse response = new PackageVerificationResponse( 11816 verificationCodeAtTimeout, Binder.getCallingUid()); 11817 11818 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11819 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11820 } 11821 if (millisecondsToDelay < 0) { 11822 millisecondsToDelay = 0; 11823 } 11824 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11825 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11826 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11827 } 11828 11829 if ((state != null) && !state.timeoutExtended()) { 11830 state.extendTimeout(); 11831 11832 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11833 msg.arg1 = id; 11834 msg.obj = response; 11835 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11836 } 11837 } 11838 11839 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11840 int verificationCode, UserHandle user) { 11841 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11842 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11843 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11844 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11845 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11846 11847 mContext.sendBroadcastAsUser(intent, user, 11848 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11849 } 11850 11851 private ComponentName matchComponentForVerifier(String packageName, 11852 List<ResolveInfo> receivers) { 11853 ActivityInfo targetReceiver = null; 11854 11855 final int NR = receivers.size(); 11856 for (int i = 0; i < NR; i++) { 11857 final ResolveInfo info = receivers.get(i); 11858 if (info.activityInfo == null) { 11859 continue; 11860 } 11861 11862 if (packageName.equals(info.activityInfo.packageName)) { 11863 targetReceiver = info.activityInfo; 11864 break; 11865 } 11866 } 11867 11868 if (targetReceiver == null) { 11869 return null; 11870 } 11871 11872 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11873 } 11874 11875 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11876 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11877 if (pkgInfo.verifiers.length == 0) { 11878 return null; 11879 } 11880 11881 final int N = pkgInfo.verifiers.length; 11882 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11883 for (int i = 0; i < N; i++) { 11884 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11885 11886 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11887 receivers); 11888 if (comp == null) { 11889 continue; 11890 } 11891 11892 final int verifierUid = getUidForVerifier(verifierInfo); 11893 if (verifierUid == -1) { 11894 continue; 11895 } 11896 11897 if (DEBUG_VERIFY) { 11898 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11899 + " with the correct signature"); 11900 } 11901 sufficientVerifiers.add(comp); 11902 verificationState.addSufficientVerifier(verifierUid); 11903 } 11904 11905 return sufficientVerifiers; 11906 } 11907 11908 private int getUidForVerifier(VerifierInfo verifierInfo) { 11909 synchronized (mPackages) { 11910 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11911 if (pkg == null) { 11912 return -1; 11913 } else if (pkg.mSignatures.length != 1) { 11914 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11915 + " has more than one signature; ignoring"); 11916 return -1; 11917 } 11918 11919 /* 11920 * If the public key of the package's signature does not match 11921 * our expected public key, then this is a different package and 11922 * we should skip. 11923 */ 11924 11925 final byte[] expectedPublicKey; 11926 try { 11927 final Signature verifierSig = pkg.mSignatures[0]; 11928 final PublicKey publicKey = verifierSig.getPublicKey(); 11929 expectedPublicKey = publicKey.getEncoded(); 11930 } catch (CertificateException e) { 11931 return -1; 11932 } 11933 11934 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11935 11936 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11937 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11938 + " does not have the expected public key; ignoring"); 11939 return -1; 11940 } 11941 11942 return pkg.applicationInfo.uid; 11943 } 11944 } 11945 11946 @Override 11947 public void finishPackageInstall(int token, boolean didLaunch) { 11948 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11949 11950 if (DEBUG_INSTALL) { 11951 Slog.v(TAG, "BM finishing package install for " + token); 11952 } 11953 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11954 11955 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11956 mHandler.sendMessage(msg); 11957 } 11958 11959 /** 11960 * Get the verification agent timeout. 11961 * 11962 * @return verification timeout in milliseconds 11963 */ 11964 private long getVerificationTimeout() { 11965 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11966 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11967 DEFAULT_VERIFICATION_TIMEOUT); 11968 } 11969 11970 /** 11971 * Get the default verification agent response code. 11972 * 11973 * @return default verification response code 11974 */ 11975 private int getDefaultVerificationResponse() { 11976 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11977 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11978 DEFAULT_VERIFICATION_RESPONSE); 11979 } 11980 11981 /** 11982 * Check whether or not package verification has been enabled. 11983 * 11984 * @return true if verification should be performed 11985 */ 11986 private boolean isVerificationEnabled(int userId, int installFlags) { 11987 if (!DEFAULT_VERIFY_ENABLE) { 11988 return false; 11989 } 11990 // Ephemeral apps don't get the full verification treatment 11991 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11992 if (DEBUG_EPHEMERAL) { 11993 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11994 } 11995 return false; 11996 } 11997 11998 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11999 12000 // Check if installing from ADB 12001 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12002 // Do not run verification in a test harness environment 12003 if (ActivityManager.isRunningInTestHarness()) { 12004 return false; 12005 } 12006 if (ensureVerifyAppsEnabled) { 12007 return true; 12008 } 12009 // Check if the developer does not want package verification for ADB installs 12010 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12011 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12012 return false; 12013 } 12014 } 12015 12016 if (ensureVerifyAppsEnabled) { 12017 return true; 12018 } 12019 12020 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12021 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12022 } 12023 12024 @Override 12025 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12026 throws RemoteException { 12027 mContext.enforceCallingOrSelfPermission( 12028 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12029 "Only intentfilter verification agents can verify applications"); 12030 12031 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12032 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12033 Binder.getCallingUid(), verificationCode, failedDomains); 12034 msg.arg1 = id; 12035 msg.obj = response; 12036 mHandler.sendMessage(msg); 12037 } 12038 12039 @Override 12040 public int getIntentVerificationStatus(String packageName, int userId) { 12041 synchronized (mPackages) { 12042 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12043 } 12044 } 12045 12046 @Override 12047 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12048 mContext.enforceCallingOrSelfPermission( 12049 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12050 12051 boolean result = false; 12052 synchronized (mPackages) { 12053 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12054 } 12055 if (result) { 12056 scheduleWritePackageRestrictionsLocked(userId); 12057 } 12058 return result; 12059 } 12060 12061 @Override 12062 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12063 String packageName) { 12064 synchronized (mPackages) { 12065 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12066 } 12067 } 12068 12069 @Override 12070 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12071 if (TextUtils.isEmpty(packageName)) { 12072 return ParceledListSlice.emptyList(); 12073 } 12074 synchronized (mPackages) { 12075 PackageParser.Package pkg = mPackages.get(packageName); 12076 if (pkg == null || pkg.activities == null) { 12077 return ParceledListSlice.emptyList(); 12078 } 12079 final int count = pkg.activities.size(); 12080 ArrayList<IntentFilter> result = new ArrayList<>(); 12081 for (int n=0; n<count; n++) { 12082 PackageParser.Activity activity = pkg.activities.get(n); 12083 if (activity.intents != null && activity.intents.size() > 0) { 12084 result.addAll(activity.intents); 12085 } 12086 } 12087 return new ParceledListSlice<>(result); 12088 } 12089 } 12090 12091 @Override 12092 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12093 mContext.enforceCallingOrSelfPermission( 12094 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12095 12096 synchronized (mPackages) { 12097 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12098 if (packageName != null) { 12099 result |= updateIntentVerificationStatus(packageName, 12100 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12101 userId); 12102 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12103 packageName, userId); 12104 } 12105 return result; 12106 } 12107 } 12108 12109 @Override 12110 public String getDefaultBrowserPackageName(int userId) { 12111 synchronized (mPackages) { 12112 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12113 } 12114 } 12115 12116 /** 12117 * Get the "allow unknown sources" setting. 12118 * 12119 * @return the current "allow unknown sources" setting 12120 */ 12121 private int getUnknownSourcesSettings() { 12122 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12123 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12124 -1); 12125 } 12126 12127 @Override 12128 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12129 final int uid = Binder.getCallingUid(); 12130 // writer 12131 synchronized (mPackages) { 12132 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12133 if (targetPackageSetting == null) { 12134 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12135 } 12136 12137 PackageSetting installerPackageSetting; 12138 if (installerPackageName != null) { 12139 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12140 if (installerPackageSetting == null) { 12141 throw new IllegalArgumentException("Unknown installer package: " 12142 + installerPackageName); 12143 } 12144 } else { 12145 installerPackageSetting = null; 12146 } 12147 12148 Signature[] callerSignature; 12149 Object obj = mSettings.getUserIdLPr(uid); 12150 if (obj != null) { 12151 if (obj instanceof SharedUserSetting) { 12152 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12153 } else if (obj instanceof PackageSetting) { 12154 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12155 } else { 12156 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12157 } 12158 } else { 12159 throw new SecurityException("Unknown calling UID: " + uid); 12160 } 12161 12162 // Verify: can't set installerPackageName to a package that is 12163 // not signed with the same cert as the caller. 12164 if (installerPackageSetting != null) { 12165 if (compareSignatures(callerSignature, 12166 installerPackageSetting.signatures.mSignatures) 12167 != PackageManager.SIGNATURE_MATCH) { 12168 throw new SecurityException( 12169 "Caller does not have same cert as new installer package " 12170 + installerPackageName); 12171 } 12172 } 12173 12174 // Verify: if target already has an installer package, it must 12175 // be signed with the same cert as the caller. 12176 if (targetPackageSetting.installerPackageName != null) { 12177 PackageSetting setting = mSettings.mPackages.get( 12178 targetPackageSetting.installerPackageName); 12179 // If the currently set package isn't valid, then it's always 12180 // okay to change it. 12181 if (setting != null) { 12182 if (compareSignatures(callerSignature, 12183 setting.signatures.mSignatures) 12184 != PackageManager.SIGNATURE_MATCH) { 12185 throw new SecurityException( 12186 "Caller does not have same cert as old installer package " 12187 + targetPackageSetting.installerPackageName); 12188 } 12189 } 12190 } 12191 12192 // Okay! 12193 targetPackageSetting.installerPackageName = installerPackageName; 12194 if (installerPackageName != null) { 12195 mSettings.mInstallerPackages.add(installerPackageName); 12196 } 12197 scheduleWriteSettingsLocked(); 12198 } 12199 } 12200 12201 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12202 // Queue up an async operation since the package installation may take a little while. 12203 mHandler.post(new Runnable() { 12204 public void run() { 12205 mHandler.removeCallbacks(this); 12206 // Result object to be returned 12207 PackageInstalledInfo res = new PackageInstalledInfo(); 12208 res.setReturnCode(currentStatus); 12209 res.uid = -1; 12210 res.pkg = null; 12211 res.removedInfo = null; 12212 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12213 args.doPreInstall(res.returnCode); 12214 synchronized (mInstallLock) { 12215 installPackageTracedLI(args, res); 12216 } 12217 args.doPostInstall(res.returnCode, res.uid); 12218 } 12219 12220 // A restore should be performed at this point if (a) the install 12221 // succeeded, (b) the operation is not an update, and (c) the new 12222 // package has not opted out of backup participation. 12223 final boolean update = res.removedInfo != null 12224 && res.removedInfo.removedPackage != null; 12225 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12226 boolean doRestore = !update 12227 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12228 12229 // Set up the post-install work request bookkeeping. This will be used 12230 // and cleaned up by the post-install event handling regardless of whether 12231 // there's a restore pass performed. Token values are >= 1. 12232 int token; 12233 if (mNextInstallToken < 0) mNextInstallToken = 1; 12234 token = mNextInstallToken++; 12235 12236 PostInstallData data = new PostInstallData(args, res); 12237 mRunningInstalls.put(token, data); 12238 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12239 12240 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12241 // Pass responsibility to the Backup Manager. It will perform a 12242 // restore if appropriate, then pass responsibility back to the 12243 // Package Manager to run the post-install observer callbacks 12244 // and broadcasts. 12245 IBackupManager bm = IBackupManager.Stub.asInterface( 12246 ServiceManager.getService(Context.BACKUP_SERVICE)); 12247 if (bm != null) { 12248 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12249 + " to BM for possible restore"); 12250 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12251 try { 12252 // TODO: http://b/22388012 12253 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12254 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12255 } else { 12256 doRestore = false; 12257 } 12258 } catch (RemoteException e) { 12259 // can't happen; the backup manager is local 12260 } catch (Exception e) { 12261 Slog.e(TAG, "Exception trying to enqueue restore", e); 12262 doRestore = false; 12263 } 12264 } else { 12265 Slog.e(TAG, "Backup Manager not found!"); 12266 doRestore = false; 12267 } 12268 } 12269 12270 if (!doRestore) { 12271 // No restore possible, or the Backup Manager was mysteriously not 12272 // available -- just fire the post-install work request directly. 12273 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12274 12275 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12276 12277 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12278 mHandler.sendMessage(msg); 12279 } 12280 } 12281 }); 12282 } 12283 12284 /** 12285 * Callback from PackageSettings whenever an app is first transitioned out of the 12286 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12287 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12288 * here whether the app is the target of an ongoing install, and only send the 12289 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12290 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12291 * handling. 12292 */ 12293 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12294 // Serialize this with the rest of the install-process message chain. In the 12295 // restore-at-install case, this Runnable will necessarily run before the 12296 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12297 // are coherent. In the non-restore case, the app has already completed install 12298 // and been launched through some other means, so it is not in a problematic 12299 // state for observers to see the FIRST_LAUNCH signal. 12300 mHandler.post(new Runnable() { 12301 @Override 12302 public void run() { 12303 for (int i = 0; i < mRunningInstalls.size(); i++) { 12304 final PostInstallData data = mRunningInstalls.valueAt(i); 12305 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12306 // right package; but is it for the right user? 12307 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12308 if (userId == data.res.newUsers[uIndex]) { 12309 if (DEBUG_BACKUP) { 12310 Slog.i(TAG, "Package " + pkgName 12311 + " being restored so deferring FIRST_LAUNCH"); 12312 } 12313 return; 12314 } 12315 } 12316 } 12317 } 12318 // didn't find it, so not being restored 12319 if (DEBUG_BACKUP) { 12320 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12321 } 12322 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12323 } 12324 }); 12325 } 12326 12327 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12328 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12329 installerPkg, null, userIds); 12330 } 12331 12332 private abstract class HandlerParams { 12333 private static final int MAX_RETRIES = 4; 12334 12335 /** 12336 * Number of times startCopy() has been attempted and had a non-fatal 12337 * error. 12338 */ 12339 private int mRetries = 0; 12340 12341 /** User handle for the user requesting the information or installation. */ 12342 private final UserHandle mUser; 12343 String traceMethod; 12344 int traceCookie; 12345 12346 HandlerParams(UserHandle user) { 12347 mUser = user; 12348 } 12349 12350 UserHandle getUser() { 12351 return mUser; 12352 } 12353 12354 HandlerParams setTraceMethod(String traceMethod) { 12355 this.traceMethod = traceMethod; 12356 return this; 12357 } 12358 12359 HandlerParams setTraceCookie(int traceCookie) { 12360 this.traceCookie = traceCookie; 12361 return this; 12362 } 12363 12364 final boolean startCopy() { 12365 boolean res; 12366 try { 12367 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12368 12369 if (++mRetries > MAX_RETRIES) { 12370 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12371 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12372 handleServiceError(); 12373 return false; 12374 } else { 12375 handleStartCopy(); 12376 res = true; 12377 } 12378 } catch (RemoteException e) { 12379 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12380 mHandler.sendEmptyMessage(MCS_RECONNECT); 12381 res = false; 12382 } 12383 handleReturnCode(); 12384 return res; 12385 } 12386 12387 final void serviceError() { 12388 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12389 handleServiceError(); 12390 handleReturnCode(); 12391 } 12392 12393 abstract void handleStartCopy() throws RemoteException; 12394 abstract void handleServiceError(); 12395 abstract void handleReturnCode(); 12396 } 12397 12398 class MeasureParams extends HandlerParams { 12399 private final PackageStats mStats; 12400 private boolean mSuccess; 12401 12402 private final IPackageStatsObserver mObserver; 12403 12404 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12405 super(new UserHandle(stats.userHandle)); 12406 mObserver = observer; 12407 mStats = stats; 12408 } 12409 12410 @Override 12411 public String toString() { 12412 return "MeasureParams{" 12413 + Integer.toHexString(System.identityHashCode(this)) 12414 + " " + mStats.packageName + "}"; 12415 } 12416 12417 @Override 12418 void handleStartCopy() throws RemoteException { 12419 synchronized (mInstallLock) { 12420 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12421 } 12422 12423 if (mSuccess) { 12424 boolean mounted = false; 12425 try { 12426 final String status = Environment.getExternalStorageState(); 12427 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12428 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12429 } catch (Exception e) { 12430 } 12431 12432 if (mounted) { 12433 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12434 12435 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12436 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12437 12438 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12439 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12440 12441 // Always subtract cache size, since it's a subdirectory 12442 mStats.externalDataSize -= mStats.externalCacheSize; 12443 12444 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12445 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12446 12447 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12448 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12449 } 12450 } 12451 } 12452 12453 @Override 12454 void handleReturnCode() { 12455 if (mObserver != null) { 12456 try { 12457 mObserver.onGetStatsCompleted(mStats, mSuccess); 12458 } catch (RemoteException e) { 12459 Slog.i(TAG, "Observer no longer exists."); 12460 } 12461 } 12462 } 12463 12464 @Override 12465 void handleServiceError() { 12466 Slog.e(TAG, "Could not measure application " + mStats.packageName 12467 + " external storage"); 12468 } 12469 } 12470 12471 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12472 throws RemoteException { 12473 long result = 0; 12474 for (File path : paths) { 12475 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12476 } 12477 return result; 12478 } 12479 12480 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12481 for (File path : paths) { 12482 try { 12483 mcs.clearDirectory(path.getAbsolutePath()); 12484 } catch (RemoteException e) { 12485 } 12486 } 12487 } 12488 12489 static class OriginInfo { 12490 /** 12491 * Location where install is coming from, before it has been 12492 * copied/renamed into place. This could be a single monolithic APK 12493 * file, or a cluster directory. This location may be untrusted. 12494 */ 12495 final File file; 12496 final String cid; 12497 12498 /** 12499 * Flag indicating that {@link #file} or {@link #cid} has already been 12500 * staged, meaning downstream users don't need to defensively copy the 12501 * contents. 12502 */ 12503 final boolean staged; 12504 12505 /** 12506 * Flag indicating that {@link #file} or {@link #cid} is an already 12507 * installed app that is being moved. 12508 */ 12509 final boolean existing; 12510 12511 final String resolvedPath; 12512 final File resolvedFile; 12513 12514 static OriginInfo fromNothing() { 12515 return new OriginInfo(null, null, false, false); 12516 } 12517 12518 static OriginInfo fromUntrustedFile(File file) { 12519 return new OriginInfo(file, null, false, false); 12520 } 12521 12522 static OriginInfo fromExistingFile(File file) { 12523 return new OriginInfo(file, null, false, true); 12524 } 12525 12526 static OriginInfo fromStagedFile(File file) { 12527 return new OriginInfo(file, null, true, false); 12528 } 12529 12530 static OriginInfo fromStagedContainer(String cid) { 12531 return new OriginInfo(null, cid, true, false); 12532 } 12533 12534 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12535 this.file = file; 12536 this.cid = cid; 12537 this.staged = staged; 12538 this.existing = existing; 12539 12540 if (cid != null) { 12541 resolvedPath = PackageHelper.getSdDir(cid); 12542 resolvedFile = new File(resolvedPath); 12543 } else if (file != null) { 12544 resolvedPath = file.getAbsolutePath(); 12545 resolvedFile = file; 12546 } else { 12547 resolvedPath = null; 12548 resolvedFile = null; 12549 } 12550 } 12551 } 12552 12553 static class MoveInfo { 12554 final int moveId; 12555 final String fromUuid; 12556 final String toUuid; 12557 final String packageName; 12558 final String dataAppName; 12559 final int appId; 12560 final String seinfo; 12561 final int targetSdkVersion; 12562 12563 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12564 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12565 this.moveId = moveId; 12566 this.fromUuid = fromUuid; 12567 this.toUuid = toUuid; 12568 this.packageName = packageName; 12569 this.dataAppName = dataAppName; 12570 this.appId = appId; 12571 this.seinfo = seinfo; 12572 this.targetSdkVersion = targetSdkVersion; 12573 } 12574 } 12575 12576 static class VerificationInfo { 12577 /** A constant used to indicate that a uid value is not present. */ 12578 public static final int NO_UID = -1; 12579 12580 /** URI referencing where the package was downloaded from. */ 12581 final Uri originatingUri; 12582 12583 /** HTTP referrer URI associated with the originatingURI. */ 12584 final Uri referrer; 12585 12586 /** UID of the application that the install request originated from. */ 12587 final int originatingUid; 12588 12589 /** UID of application requesting the install */ 12590 final int installerUid; 12591 12592 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12593 this.originatingUri = originatingUri; 12594 this.referrer = referrer; 12595 this.originatingUid = originatingUid; 12596 this.installerUid = installerUid; 12597 } 12598 } 12599 12600 class InstallParams extends HandlerParams { 12601 final OriginInfo origin; 12602 final MoveInfo move; 12603 final IPackageInstallObserver2 observer; 12604 int installFlags; 12605 final String installerPackageName; 12606 final String volumeUuid; 12607 private InstallArgs mArgs; 12608 private int mRet; 12609 final String packageAbiOverride; 12610 final String[] grantedRuntimePermissions; 12611 final VerificationInfo verificationInfo; 12612 final Certificate[][] certificates; 12613 12614 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12615 int installFlags, String installerPackageName, String volumeUuid, 12616 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12617 String[] grantedPermissions, Certificate[][] certificates) { 12618 super(user); 12619 this.origin = origin; 12620 this.move = move; 12621 this.observer = observer; 12622 this.installFlags = installFlags; 12623 this.installerPackageName = installerPackageName; 12624 this.volumeUuid = volumeUuid; 12625 this.verificationInfo = verificationInfo; 12626 this.packageAbiOverride = packageAbiOverride; 12627 this.grantedRuntimePermissions = grantedPermissions; 12628 this.certificates = certificates; 12629 } 12630 12631 @Override 12632 public String toString() { 12633 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12634 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12635 } 12636 12637 private int installLocationPolicy(PackageInfoLite pkgLite) { 12638 String packageName = pkgLite.packageName; 12639 int installLocation = pkgLite.installLocation; 12640 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12641 // reader 12642 synchronized (mPackages) { 12643 // Currently installed package which the new package is attempting to replace or 12644 // null if no such package is installed. 12645 PackageParser.Package installedPkg = mPackages.get(packageName); 12646 // Package which currently owns the data which the new package will own if installed. 12647 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12648 // will be null whereas dataOwnerPkg will contain information about the package 12649 // which was uninstalled while keeping its data. 12650 PackageParser.Package dataOwnerPkg = installedPkg; 12651 if (dataOwnerPkg == null) { 12652 PackageSetting ps = mSettings.mPackages.get(packageName); 12653 if (ps != null) { 12654 dataOwnerPkg = ps.pkg; 12655 } 12656 } 12657 12658 if (dataOwnerPkg != null) { 12659 // If installed, the package will get access to data left on the device by its 12660 // predecessor. As a security measure, this is permited only if this is not a 12661 // version downgrade or if the predecessor package is marked as debuggable and 12662 // a downgrade is explicitly requested. 12663 // 12664 // On debuggable platform builds, downgrades are permitted even for 12665 // non-debuggable packages to make testing easier. Debuggable platform builds do 12666 // not offer security guarantees and thus it's OK to disable some security 12667 // mechanisms to make debugging/testing easier on those builds. However, even on 12668 // debuggable builds downgrades of packages are permitted only if requested via 12669 // installFlags. This is because we aim to keep the behavior of debuggable 12670 // platform builds as close as possible to the behavior of non-debuggable 12671 // platform builds. 12672 final boolean downgradeRequested = 12673 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12674 final boolean packageDebuggable = 12675 (dataOwnerPkg.applicationInfo.flags 12676 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12677 final boolean downgradePermitted = 12678 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12679 if (!downgradePermitted) { 12680 try { 12681 checkDowngrade(dataOwnerPkg, pkgLite); 12682 } catch (PackageManagerException e) { 12683 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12684 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12685 } 12686 } 12687 } 12688 12689 if (installedPkg != null) { 12690 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12691 // Check for updated system application. 12692 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12693 if (onSd) { 12694 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12695 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12696 } 12697 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12698 } else { 12699 if (onSd) { 12700 // Install flag overrides everything. 12701 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12702 } 12703 // If current upgrade specifies particular preference 12704 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12705 // Application explicitly specified internal. 12706 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12707 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12708 // App explictly prefers external. Let policy decide 12709 } else { 12710 // Prefer previous location 12711 if (isExternal(installedPkg)) { 12712 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12713 } 12714 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12715 } 12716 } 12717 } else { 12718 // Invalid install. Return error code 12719 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12720 } 12721 } 12722 } 12723 // All the special cases have been taken care of. 12724 // Return result based on recommended install location. 12725 if (onSd) { 12726 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12727 } 12728 return pkgLite.recommendedInstallLocation; 12729 } 12730 12731 /* 12732 * Invoke remote method to get package information and install 12733 * location values. Override install location based on default 12734 * policy if needed and then create install arguments based 12735 * on the install location. 12736 */ 12737 public void handleStartCopy() throws RemoteException { 12738 int ret = PackageManager.INSTALL_SUCCEEDED; 12739 12740 // If we're already staged, we've firmly committed to an install location 12741 if (origin.staged) { 12742 if (origin.file != null) { 12743 installFlags |= PackageManager.INSTALL_INTERNAL; 12744 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12745 } else if (origin.cid != null) { 12746 installFlags |= PackageManager.INSTALL_EXTERNAL; 12747 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12748 } else { 12749 throw new IllegalStateException("Invalid stage location"); 12750 } 12751 } 12752 12753 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12754 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12755 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12756 PackageInfoLite pkgLite = null; 12757 12758 if (onInt && onSd) { 12759 // Check if both bits are set. 12760 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12761 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12762 } else if (onSd && ephemeral) { 12763 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12764 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12765 } else { 12766 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12767 packageAbiOverride); 12768 12769 if (DEBUG_EPHEMERAL && ephemeral) { 12770 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12771 } 12772 12773 /* 12774 * If we have too little free space, try to free cache 12775 * before giving up. 12776 */ 12777 if (!origin.staged && pkgLite.recommendedInstallLocation 12778 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12779 // TODO: focus freeing disk space on the target device 12780 final StorageManager storage = StorageManager.from(mContext); 12781 final long lowThreshold = storage.getStorageLowBytes( 12782 Environment.getDataDirectory()); 12783 12784 final long sizeBytes = mContainerService.calculateInstalledSize( 12785 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12786 12787 try { 12788 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12789 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12790 installFlags, packageAbiOverride); 12791 } catch (InstallerException e) { 12792 Slog.w(TAG, "Failed to free cache", e); 12793 } 12794 12795 /* 12796 * The cache free must have deleted the file we 12797 * downloaded to install. 12798 * 12799 * TODO: fix the "freeCache" call to not delete 12800 * the file we care about. 12801 */ 12802 if (pkgLite.recommendedInstallLocation 12803 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12804 pkgLite.recommendedInstallLocation 12805 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12806 } 12807 } 12808 } 12809 12810 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12811 int loc = pkgLite.recommendedInstallLocation; 12812 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12813 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12814 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12815 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12816 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12817 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12818 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12819 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12820 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12821 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12822 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12823 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12824 } else { 12825 // Override with defaults if needed. 12826 loc = installLocationPolicy(pkgLite); 12827 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12828 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12829 } else if (!onSd && !onInt) { 12830 // Override install location with flags 12831 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12832 // Set the flag to install on external media. 12833 installFlags |= PackageManager.INSTALL_EXTERNAL; 12834 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12835 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12836 if (DEBUG_EPHEMERAL) { 12837 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12838 } 12839 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12840 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12841 |PackageManager.INSTALL_INTERNAL); 12842 } else { 12843 // Make sure the flag for installing on external 12844 // media is unset 12845 installFlags |= PackageManager.INSTALL_INTERNAL; 12846 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12847 } 12848 } 12849 } 12850 } 12851 12852 final InstallArgs args = createInstallArgs(this); 12853 mArgs = args; 12854 12855 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12856 // TODO: http://b/22976637 12857 // Apps installed for "all" users use the device owner to verify the app 12858 UserHandle verifierUser = getUser(); 12859 if (verifierUser == UserHandle.ALL) { 12860 verifierUser = UserHandle.SYSTEM; 12861 } 12862 12863 /* 12864 * Determine if we have any installed package verifiers. If we 12865 * do, then we'll defer to them to verify the packages. 12866 */ 12867 final int requiredUid = mRequiredVerifierPackage == null ? -1 12868 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12869 verifierUser.getIdentifier()); 12870 if (!origin.existing && requiredUid != -1 12871 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12872 final Intent verification = new Intent( 12873 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12874 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12875 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12876 PACKAGE_MIME_TYPE); 12877 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12878 12879 // Query all live verifiers based on current user state 12880 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12881 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12882 12883 if (DEBUG_VERIFY) { 12884 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12885 + verification.toString() + " with " + pkgLite.verifiers.length 12886 + " optional verifiers"); 12887 } 12888 12889 final int verificationId = mPendingVerificationToken++; 12890 12891 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12892 12893 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12894 installerPackageName); 12895 12896 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12897 installFlags); 12898 12899 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12900 pkgLite.packageName); 12901 12902 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12903 pkgLite.versionCode); 12904 12905 if (verificationInfo != null) { 12906 if (verificationInfo.originatingUri != null) { 12907 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12908 verificationInfo.originatingUri); 12909 } 12910 if (verificationInfo.referrer != null) { 12911 verification.putExtra(Intent.EXTRA_REFERRER, 12912 verificationInfo.referrer); 12913 } 12914 if (verificationInfo.originatingUid >= 0) { 12915 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12916 verificationInfo.originatingUid); 12917 } 12918 if (verificationInfo.installerUid >= 0) { 12919 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12920 verificationInfo.installerUid); 12921 } 12922 } 12923 12924 final PackageVerificationState verificationState = new PackageVerificationState( 12925 requiredUid, args); 12926 12927 mPendingVerification.append(verificationId, verificationState); 12928 12929 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12930 receivers, verificationState); 12931 12932 /* 12933 * If any sufficient verifiers were listed in the package 12934 * manifest, attempt to ask them. 12935 */ 12936 if (sufficientVerifiers != null) { 12937 final int N = sufficientVerifiers.size(); 12938 if (N == 0) { 12939 Slog.i(TAG, "Additional verifiers required, but none installed."); 12940 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12941 } else { 12942 for (int i = 0; i < N; i++) { 12943 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12944 12945 final Intent sufficientIntent = new Intent(verification); 12946 sufficientIntent.setComponent(verifierComponent); 12947 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12948 } 12949 } 12950 } 12951 12952 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12953 mRequiredVerifierPackage, receivers); 12954 if (ret == PackageManager.INSTALL_SUCCEEDED 12955 && mRequiredVerifierPackage != null) { 12956 Trace.asyncTraceBegin( 12957 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12958 /* 12959 * Send the intent to the required verification agent, 12960 * but only start the verification timeout after the 12961 * target BroadcastReceivers have run. 12962 */ 12963 verification.setComponent(requiredVerifierComponent); 12964 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12965 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12966 new BroadcastReceiver() { 12967 @Override 12968 public void onReceive(Context context, Intent intent) { 12969 final Message msg = mHandler 12970 .obtainMessage(CHECK_PENDING_VERIFICATION); 12971 msg.arg1 = verificationId; 12972 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12973 } 12974 }, null, 0, null, null); 12975 12976 /* 12977 * We don't want the copy to proceed until verification 12978 * succeeds, so null out this field. 12979 */ 12980 mArgs = null; 12981 } 12982 } else { 12983 /* 12984 * No package verification is enabled, so immediately start 12985 * the remote call to initiate copy using temporary file. 12986 */ 12987 ret = args.copyApk(mContainerService, true); 12988 } 12989 } 12990 12991 mRet = ret; 12992 } 12993 12994 @Override 12995 void handleReturnCode() { 12996 // If mArgs is null, then MCS couldn't be reached. When it 12997 // reconnects, it will try again to install. At that point, this 12998 // will succeed. 12999 if (mArgs != null) { 13000 processPendingInstall(mArgs, mRet); 13001 } 13002 } 13003 13004 @Override 13005 void handleServiceError() { 13006 mArgs = createInstallArgs(this); 13007 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13008 } 13009 13010 public boolean isForwardLocked() { 13011 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13012 } 13013 } 13014 13015 /** 13016 * Used during creation of InstallArgs 13017 * 13018 * @param installFlags package installation flags 13019 * @return true if should be installed on external storage 13020 */ 13021 private static boolean installOnExternalAsec(int installFlags) { 13022 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13023 return false; 13024 } 13025 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13026 return true; 13027 } 13028 return false; 13029 } 13030 13031 /** 13032 * Used during creation of InstallArgs 13033 * 13034 * @param installFlags package installation flags 13035 * @return true if should be installed as forward locked 13036 */ 13037 private static boolean installForwardLocked(int installFlags) { 13038 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13039 } 13040 13041 private InstallArgs createInstallArgs(InstallParams params) { 13042 if (params.move != null) { 13043 return new MoveInstallArgs(params); 13044 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13045 return new AsecInstallArgs(params); 13046 } else { 13047 return new FileInstallArgs(params); 13048 } 13049 } 13050 13051 /** 13052 * Create args that describe an existing installed package. Typically used 13053 * when cleaning up old installs, or used as a move source. 13054 */ 13055 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13056 String resourcePath, String[] instructionSets) { 13057 final boolean isInAsec; 13058 if (installOnExternalAsec(installFlags)) { 13059 /* Apps on SD card are always in ASEC containers. */ 13060 isInAsec = true; 13061 } else if (installForwardLocked(installFlags) 13062 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13063 /* 13064 * Forward-locked apps are only in ASEC containers if they're the 13065 * new style 13066 */ 13067 isInAsec = true; 13068 } else { 13069 isInAsec = false; 13070 } 13071 13072 if (isInAsec) { 13073 return new AsecInstallArgs(codePath, instructionSets, 13074 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13075 } else { 13076 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13077 } 13078 } 13079 13080 static abstract class InstallArgs { 13081 /** @see InstallParams#origin */ 13082 final OriginInfo origin; 13083 /** @see InstallParams#move */ 13084 final MoveInfo move; 13085 13086 final IPackageInstallObserver2 observer; 13087 // Always refers to PackageManager flags only 13088 final int installFlags; 13089 final String installerPackageName; 13090 final String volumeUuid; 13091 final UserHandle user; 13092 final String abiOverride; 13093 final String[] installGrantPermissions; 13094 /** If non-null, drop an async trace when the install completes */ 13095 final String traceMethod; 13096 final int traceCookie; 13097 final Certificate[][] certificates; 13098 13099 // The list of instruction sets supported by this app. This is currently 13100 // only used during the rmdex() phase to clean up resources. We can get rid of this 13101 // if we move dex files under the common app path. 13102 /* nullable */ String[] instructionSets; 13103 13104 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13105 int installFlags, String installerPackageName, String volumeUuid, 13106 UserHandle user, String[] instructionSets, 13107 String abiOverride, String[] installGrantPermissions, 13108 String traceMethod, int traceCookie, Certificate[][] certificates) { 13109 this.origin = origin; 13110 this.move = move; 13111 this.installFlags = installFlags; 13112 this.observer = observer; 13113 this.installerPackageName = installerPackageName; 13114 this.volumeUuid = volumeUuid; 13115 this.user = user; 13116 this.instructionSets = instructionSets; 13117 this.abiOverride = abiOverride; 13118 this.installGrantPermissions = installGrantPermissions; 13119 this.traceMethod = traceMethod; 13120 this.traceCookie = traceCookie; 13121 this.certificates = certificates; 13122 } 13123 13124 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13125 abstract int doPreInstall(int status); 13126 13127 /** 13128 * Rename package into final resting place. All paths on the given 13129 * scanned package should be updated to reflect the rename. 13130 */ 13131 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13132 abstract int doPostInstall(int status, int uid); 13133 13134 /** @see PackageSettingBase#codePathString */ 13135 abstract String getCodePath(); 13136 /** @see PackageSettingBase#resourcePathString */ 13137 abstract String getResourcePath(); 13138 13139 // Need installer lock especially for dex file removal. 13140 abstract void cleanUpResourcesLI(); 13141 abstract boolean doPostDeleteLI(boolean delete); 13142 13143 /** 13144 * Called before the source arguments are copied. This is used mostly 13145 * for MoveParams when it needs to read the source file to put it in the 13146 * destination. 13147 */ 13148 int doPreCopy() { 13149 return PackageManager.INSTALL_SUCCEEDED; 13150 } 13151 13152 /** 13153 * Called after the source arguments are copied. This is used mostly for 13154 * MoveParams when it needs to read the source file to put it in the 13155 * destination. 13156 */ 13157 int doPostCopy(int uid) { 13158 return PackageManager.INSTALL_SUCCEEDED; 13159 } 13160 13161 protected boolean isFwdLocked() { 13162 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13163 } 13164 13165 protected boolean isExternalAsec() { 13166 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13167 } 13168 13169 protected boolean isEphemeral() { 13170 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13171 } 13172 13173 UserHandle getUser() { 13174 return user; 13175 } 13176 } 13177 13178 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13179 if (!allCodePaths.isEmpty()) { 13180 if (instructionSets == null) { 13181 throw new IllegalStateException("instructionSet == null"); 13182 } 13183 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13184 for (String codePath : allCodePaths) { 13185 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13186 try { 13187 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13188 } catch (InstallerException ignored) { 13189 } 13190 } 13191 } 13192 } 13193 } 13194 13195 /** 13196 * Logic to handle installation of non-ASEC applications, including copying 13197 * and renaming logic. 13198 */ 13199 class FileInstallArgs extends InstallArgs { 13200 private File codeFile; 13201 private File resourceFile; 13202 13203 // Example topology: 13204 // /data/app/com.example/base.apk 13205 // /data/app/com.example/split_foo.apk 13206 // /data/app/com.example/lib/arm/libfoo.so 13207 // /data/app/com.example/lib/arm64/libfoo.so 13208 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13209 13210 /** New install */ 13211 FileInstallArgs(InstallParams params) { 13212 super(params.origin, params.move, params.observer, params.installFlags, 13213 params.installerPackageName, params.volumeUuid, 13214 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13215 params.grantedRuntimePermissions, 13216 params.traceMethod, params.traceCookie, params.certificates); 13217 if (isFwdLocked()) { 13218 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13219 } 13220 } 13221 13222 /** Existing install */ 13223 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13224 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13225 null, null, null, 0, null /*certificates*/); 13226 this.codeFile = (codePath != null) ? new File(codePath) : null; 13227 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13228 } 13229 13230 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13231 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13232 try { 13233 return doCopyApk(imcs, temp); 13234 } finally { 13235 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13236 } 13237 } 13238 13239 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13240 if (origin.staged) { 13241 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13242 codeFile = origin.file; 13243 resourceFile = origin.file; 13244 return PackageManager.INSTALL_SUCCEEDED; 13245 } 13246 13247 try { 13248 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13249 final File tempDir = 13250 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13251 codeFile = tempDir; 13252 resourceFile = tempDir; 13253 } catch (IOException e) { 13254 Slog.w(TAG, "Failed to create copy file: " + e); 13255 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13256 } 13257 13258 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13259 @Override 13260 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13261 if (!FileUtils.isValidExtFilename(name)) { 13262 throw new IllegalArgumentException("Invalid filename: " + name); 13263 } 13264 try { 13265 final File file = new File(codeFile, name); 13266 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13267 O_RDWR | O_CREAT, 0644); 13268 Os.chmod(file.getAbsolutePath(), 0644); 13269 return new ParcelFileDescriptor(fd); 13270 } catch (ErrnoException e) { 13271 throw new RemoteException("Failed to open: " + e.getMessage()); 13272 } 13273 } 13274 }; 13275 13276 int ret = PackageManager.INSTALL_SUCCEEDED; 13277 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13278 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13279 Slog.e(TAG, "Failed to copy package"); 13280 return ret; 13281 } 13282 13283 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13284 NativeLibraryHelper.Handle handle = null; 13285 try { 13286 handle = NativeLibraryHelper.Handle.create(codeFile); 13287 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13288 abiOverride); 13289 } catch (IOException e) { 13290 Slog.e(TAG, "Copying native libraries failed", e); 13291 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13292 } finally { 13293 IoUtils.closeQuietly(handle); 13294 } 13295 13296 return ret; 13297 } 13298 13299 int doPreInstall(int status) { 13300 if (status != PackageManager.INSTALL_SUCCEEDED) { 13301 cleanUp(); 13302 } 13303 return status; 13304 } 13305 13306 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13307 if (status != PackageManager.INSTALL_SUCCEEDED) { 13308 cleanUp(); 13309 return false; 13310 } 13311 13312 final File targetDir = codeFile.getParentFile(); 13313 final File beforeCodeFile = codeFile; 13314 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13315 13316 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13317 try { 13318 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13319 } catch (ErrnoException e) { 13320 Slog.w(TAG, "Failed to rename", e); 13321 return false; 13322 } 13323 13324 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13325 Slog.w(TAG, "Failed to restorecon"); 13326 return false; 13327 } 13328 13329 // Reflect the rename internally 13330 codeFile = afterCodeFile; 13331 resourceFile = afterCodeFile; 13332 13333 // Reflect the rename in scanned details 13334 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13335 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13336 afterCodeFile, pkg.baseCodePath)); 13337 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13338 afterCodeFile, pkg.splitCodePaths)); 13339 13340 // Reflect the rename in app info 13341 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13342 pkg.setApplicationInfoCodePath(pkg.codePath); 13343 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13344 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13345 pkg.setApplicationInfoResourcePath(pkg.codePath); 13346 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13347 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13348 13349 return true; 13350 } 13351 13352 int doPostInstall(int status, int uid) { 13353 if (status != PackageManager.INSTALL_SUCCEEDED) { 13354 cleanUp(); 13355 } 13356 return status; 13357 } 13358 13359 @Override 13360 String getCodePath() { 13361 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13362 } 13363 13364 @Override 13365 String getResourcePath() { 13366 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13367 } 13368 13369 private boolean cleanUp() { 13370 if (codeFile == null || !codeFile.exists()) { 13371 return false; 13372 } 13373 13374 removeCodePathLI(codeFile); 13375 13376 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13377 resourceFile.delete(); 13378 } 13379 13380 return true; 13381 } 13382 13383 void cleanUpResourcesLI() { 13384 // Try enumerating all code paths before deleting 13385 List<String> allCodePaths = Collections.EMPTY_LIST; 13386 if (codeFile != null && codeFile.exists()) { 13387 try { 13388 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13389 allCodePaths = pkg.getAllCodePaths(); 13390 } catch (PackageParserException e) { 13391 // Ignored; we tried our best 13392 } 13393 } 13394 13395 cleanUp(); 13396 removeDexFiles(allCodePaths, instructionSets); 13397 } 13398 13399 boolean doPostDeleteLI(boolean delete) { 13400 // XXX err, shouldn't we respect the delete flag? 13401 cleanUpResourcesLI(); 13402 return true; 13403 } 13404 } 13405 13406 private boolean isAsecExternal(String cid) { 13407 final String asecPath = PackageHelper.getSdFilesystem(cid); 13408 return !asecPath.startsWith(mAsecInternalPath); 13409 } 13410 13411 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13412 PackageManagerException { 13413 if (copyRet < 0) { 13414 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13415 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13416 throw new PackageManagerException(copyRet, message); 13417 } 13418 } 13419 } 13420 13421 /** 13422 * Extract the MountService "container ID" from the full code path of an 13423 * .apk. 13424 */ 13425 static String cidFromCodePath(String fullCodePath) { 13426 int eidx = fullCodePath.lastIndexOf("/"); 13427 String subStr1 = fullCodePath.substring(0, eidx); 13428 int sidx = subStr1.lastIndexOf("/"); 13429 return subStr1.substring(sidx+1, eidx); 13430 } 13431 13432 /** 13433 * Logic to handle installation of ASEC applications, including copying and 13434 * renaming logic. 13435 */ 13436 class AsecInstallArgs extends InstallArgs { 13437 static final String RES_FILE_NAME = "pkg.apk"; 13438 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13439 13440 String cid; 13441 String packagePath; 13442 String resourcePath; 13443 13444 /** New install */ 13445 AsecInstallArgs(InstallParams params) { 13446 super(params.origin, params.move, params.observer, params.installFlags, 13447 params.installerPackageName, params.volumeUuid, 13448 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13449 params.grantedRuntimePermissions, 13450 params.traceMethod, params.traceCookie, params.certificates); 13451 } 13452 13453 /** Existing install */ 13454 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13455 boolean isExternal, boolean isForwardLocked) { 13456 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13457 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13458 instructionSets, null, null, null, 0, null /*certificates*/); 13459 // Hackily pretend we're still looking at a full code path 13460 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13461 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13462 } 13463 13464 // Extract cid from fullCodePath 13465 int eidx = fullCodePath.lastIndexOf("/"); 13466 String subStr1 = fullCodePath.substring(0, eidx); 13467 int sidx = subStr1.lastIndexOf("/"); 13468 cid = subStr1.substring(sidx+1, eidx); 13469 setMountPath(subStr1); 13470 } 13471 13472 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13473 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13474 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13475 instructionSets, null, null, null, 0, null /*certificates*/); 13476 this.cid = cid; 13477 setMountPath(PackageHelper.getSdDir(cid)); 13478 } 13479 13480 void createCopyFile() { 13481 cid = mInstallerService.allocateExternalStageCidLegacy(); 13482 } 13483 13484 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13485 if (origin.staged && origin.cid != null) { 13486 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13487 cid = origin.cid; 13488 setMountPath(PackageHelper.getSdDir(cid)); 13489 return PackageManager.INSTALL_SUCCEEDED; 13490 } 13491 13492 if (temp) { 13493 createCopyFile(); 13494 } else { 13495 /* 13496 * Pre-emptively destroy the container since it's destroyed if 13497 * copying fails due to it existing anyway. 13498 */ 13499 PackageHelper.destroySdDir(cid); 13500 } 13501 13502 final String newMountPath = imcs.copyPackageToContainer( 13503 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13504 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13505 13506 if (newMountPath != null) { 13507 setMountPath(newMountPath); 13508 return PackageManager.INSTALL_SUCCEEDED; 13509 } else { 13510 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13511 } 13512 } 13513 13514 @Override 13515 String getCodePath() { 13516 return packagePath; 13517 } 13518 13519 @Override 13520 String getResourcePath() { 13521 return resourcePath; 13522 } 13523 13524 int doPreInstall(int status) { 13525 if (status != PackageManager.INSTALL_SUCCEEDED) { 13526 // Destroy container 13527 PackageHelper.destroySdDir(cid); 13528 } else { 13529 boolean mounted = PackageHelper.isContainerMounted(cid); 13530 if (!mounted) { 13531 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13532 Process.SYSTEM_UID); 13533 if (newMountPath != null) { 13534 setMountPath(newMountPath); 13535 } else { 13536 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13537 } 13538 } 13539 } 13540 return status; 13541 } 13542 13543 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13544 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13545 String newMountPath = null; 13546 if (PackageHelper.isContainerMounted(cid)) { 13547 // Unmount the container 13548 if (!PackageHelper.unMountSdDir(cid)) { 13549 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13550 return false; 13551 } 13552 } 13553 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13554 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13555 " which might be stale. Will try to clean up."); 13556 // Clean up the stale container and proceed to recreate. 13557 if (!PackageHelper.destroySdDir(newCacheId)) { 13558 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13559 return false; 13560 } 13561 // Successfully cleaned up stale container. Try to rename again. 13562 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13563 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13564 + " inspite of cleaning it up."); 13565 return false; 13566 } 13567 } 13568 if (!PackageHelper.isContainerMounted(newCacheId)) { 13569 Slog.w(TAG, "Mounting container " + newCacheId); 13570 newMountPath = PackageHelper.mountSdDir(newCacheId, 13571 getEncryptKey(), Process.SYSTEM_UID); 13572 } else { 13573 newMountPath = PackageHelper.getSdDir(newCacheId); 13574 } 13575 if (newMountPath == null) { 13576 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13577 return false; 13578 } 13579 Log.i(TAG, "Succesfully renamed " + cid + 13580 " to " + newCacheId + 13581 " at new path: " + newMountPath); 13582 cid = newCacheId; 13583 13584 final File beforeCodeFile = new File(packagePath); 13585 setMountPath(newMountPath); 13586 final File afterCodeFile = new File(packagePath); 13587 13588 // Reflect the rename in scanned details 13589 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13590 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13591 afterCodeFile, pkg.baseCodePath)); 13592 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13593 afterCodeFile, pkg.splitCodePaths)); 13594 13595 // Reflect the rename in app info 13596 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13597 pkg.setApplicationInfoCodePath(pkg.codePath); 13598 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13599 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13600 pkg.setApplicationInfoResourcePath(pkg.codePath); 13601 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13602 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13603 13604 return true; 13605 } 13606 13607 private void setMountPath(String mountPath) { 13608 final File mountFile = new File(mountPath); 13609 13610 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13611 if (monolithicFile.exists()) { 13612 packagePath = monolithicFile.getAbsolutePath(); 13613 if (isFwdLocked()) { 13614 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13615 } else { 13616 resourcePath = packagePath; 13617 } 13618 } else { 13619 packagePath = mountFile.getAbsolutePath(); 13620 resourcePath = packagePath; 13621 } 13622 } 13623 13624 int doPostInstall(int status, int uid) { 13625 if (status != PackageManager.INSTALL_SUCCEEDED) { 13626 cleanUp(); 13627 } else { 13628 final int groupOwner; 13629 final String protectedFile; 13630 if (isFwdLocked()) { 13631 groupOwner = UserHandle.getSharedAppGid(uid); 13632 protectedFile = RES_FILE_NAME; 13633 } else { 13634 groupOwner = -1; 13635 protectedFile = null; 13636 } 13637 13638 if (uid < Process.FIRST_APPLICATION_UID 13639 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13640 Slog.e(TAG, "Failed to finalize " + cid); 13641 PackageHelper.destroySdDir(cid); 13642 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13643 } 13644 13645 boolean mounted = PackageHelper.isContainerMounted(cid); 13646 if (!mounted) { 13647 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13648 } 13649 } 13650 return status; 13651 } 13652 13653 private void cleanUp() { 13654 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13655 13656 // Destroy secure container 13657 PackageHelper.destroySdDir(cid); 13658 } 13659 13660 private List<String> getAllCodePaths() { 13661 final File codeFile = new File(getCodePath()); 13662 if (codeFile != null && codeFile.exists()) { 13663 try { 13664 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13665 return pkg.getAllCodePaths(); 13666 } catch (PackageParserException e) { 13667 // Ignored; we tried our best 13668 } 13669 } 13670 return Collections.EMPTY_LIST; 13671 } 13672 13673 void cleanUpResourcesLI() { 13674 // Enumerate all code paths before deleting 13675 cleanUpResourcesLI(getAllCodePaths()); 13676 } 13677 13678 private void cleanUpResourcesLI(List<String> allCodePaths) { 13679 cleanUp(); 13680 removeDexFiles(allCodePaths, instructionSets); 13681 } 13682 13683 String getPackageName() { 13684 return getAsecPackageName(cid); 13685 } 13686 13687 boolean doPostDeleteLI(boolean delete) { 13688 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13689 final List<String> allCodePaths = getAllCodePaths(); 13690 boolean mounted = PackageHelper.isContainerMounted(cid); 13691 if (mounted) { 13692 // Unmount first 13693 if (PackageHelper.unMountSdDir(cid)) { 13694 mounted = false; 13695 } 13696 } 13697 if (!mounted && delete) { 13698 cleanUpResourcesLI(allCodePaths); 13699 } 13700 return !mounted; 13701 } 13702 13703 @Override 13704 int doPreCopy() { 13705 if (isFwdLocked()) { 13706 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13707 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13708 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13709 } 13710 } 13711 13712 return PackageManager.INSTALL_SUCCEEDED; 13713 } 13714 13715 @Override 13716 int doPostCopy(int uid) { 13717 if (isFwdLocked()) { 13718 if (uid < Process.FIRST_APPLICATION_UID 13719 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13720 RES_FILE_NAME)) { 13721 Slog.e(TAG, "Failed to finalize " + cid); 13722 PackageHelper.destroySdDir(cid); 13723 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13724 } 13725 } 13726 13727 return PackageManager.INSTALL_SUCCEEDED; 13728 } 13729 } 13730 13731 /** 13732 * Logic to handle movement of existing installed applications. 13733 */ 13734 class MoveInstallArgs extends InstallArgs { 13735 private File codeFile; 13736 private File resourceFile; 13737 13738 /** New install */ 13739 MoveInstallArgs(InstallParams params) { 13740 super(params.origin, params.move, params.observer, params.installFlags, 13741 params.installerPackageName, params.volumeUuid, 13742 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13743 params.grantedRuntimePermissions, 13744 params.traceMethod, params.traceCookie, params.certificates); 13745 } 13746 13747 int copyApk(IMediaContainerService imcs, boolean temp) { 13748 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13749 + move.fromUuid + " to " + move.toUuid); 13750 synchronized (mInstaller) { 13751 try { 13752 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13753 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13754 } catch (InstallerException e) { 13755 Slog.w(TAG, "Failed to move app", e); 13756 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13757 } 13758 } 13759 13760 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13761 resourceFile = codeFile; 13762 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13763 13764 return PackageManager.INSTALL_SUCCEEDED; 13765 } 13766 13767 int doPreInstall(int status) { 13768 if (status != PackageManager.INSTALL_SUCCEEDED) { 13769 cleanUp(move.toUuid); 13770 } 13771 return status; 13772 } 13773 13774 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13775 if (status != PackageManager.INSTALL_SUCCEEDED) { 13776 cleanUp(move.toUuid); 13777 return false; 13778 } 13779 13780 // Reflect the move in app info 13781 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13782 pkg.setApplicationInfoCodePath(pkg.codePath); 13783 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13784 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13785 pkg.setApplicationInfoResourcePath(pkg.codePath); 13786 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13787 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13788 13789 return true; 13790 } 13791 13792 int doPostInstall(int status, int uid) { 13793 if (status == PackageManager.INSTALL_SUCCEEDED) { 13794 cleanUp(move.fromUuid); 13795 } else { 13796 cleanUp(move.toUuid); 13797 } 13798 return status; 13799 } 13800 13801 @Override 13802 String getCodePath() { 13803 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13804 } 13805 13806 @Override 13807 String getResourcePath() { 13808 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13809 } 13810 13811 private boolean cleanUp(String volumeUuid) { 13812 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13813 move.dataAppName); 13814 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13815 final int[] userIds = sUserManager.getUserIds(); 13816 synchronized (mInstallLock) { 13817 // Clean up both app data and code 13818 // All package moves are frozen until finished 13819 for (int userId : userIds) { 13820 try { 13821 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13822 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13823 } catch (InstallerException e) { 13824 Slog.w(TAG, String.valueOf(e)); 13825 } 13826 } 13827 removeCodePathLI(codeFile); 13828 } 13829 return true; 13830 } 13831 13832 void cleanUpResourcesLI() { 13833 throw new UnsupportedOperationException(); 13834 } 13835 13836 boolean doPostDeleteLI(boolean delete) { 13837 throw new UnsupportedOperationException(); 13838 } 13839 } 13840 13841 static String getAsecPackageName(String packageCid) { 13842 int idx = packageCid.lastIndexOf("-"); 13843 if (idx == -1) { 13844 return packageCid; 13845 } 13846 return packageCid.substring(0, idx); 13847 } 13848 13849 // Utility method used to create code paths based on package name and available index. 13850 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13851 String idxStr = ""; 13852 int idx = 1; 13853 // Fall back to default value of idx=1 if prefix is not 13854 // part of oldCodePath 13855 if (oldCodePath != null) { 13856 String subStr = oldCodePath; 13857 // Drop the suffix right away 13858 if (suffix != null && subStr.endsWith(suffix)) { 13859 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13860 } 13861 // If oldCodePath already contains prefix find out the 13862 // ending index to either increment or decrement. 13863 int sidx = subStr.lastIndexOf(prefix); 13864 if (sidx != -1) { 13865 subStr = subStr.substring(sidx + prefix.length()); 13866 if (subStr != null) { 13867 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13868 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13869 } 13870 try { 13871 idx = Integer.parseInt(subStr); 13872 if (idx <= 1) { 13873 idx++; 13874 } else { 13875 idx--; 13876 } 13877 } catch(NumberFormatException e) { 13878 } 13879 } 13880 } 13881 } 13882 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13883 return prefix + idxStr; 13884 } 13885 13886 private File getNextCodePath(File targetDir, String packageName) { 13887 int suffix = 1; 13888 File result; 13889 do { 13890 result = new File(targetDir, packageName + "-" + suffix); 13891 suffix++; 13892 } while (result.exists()); 13893 return result; 13894 } 13895 13896 // Utility method that returns the relative package path with respect 13897 // to the installation directory. Like say for /data/data/com.test-1.apk 13898 // string com.test-1 is returned. 13899 static String deriveCodePathName(String codePath) { 13900 if (codePath == null) { 13901 return null; 13902 } 13903 final File codeFile = new File(codePath); 13904 final String name = codeFile.getName(); 13905 if (codeFile.isDirectory()) { 13906 return name; 13907 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13908 final int lastDot = name.lastIndexOf('.'); 13909 return name.substring(0, lastDot); 13910 } else { 13911 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13912 return null; 13913 } 13914 } 13915 13916 static class PackageInstalledInfo { 13917 String name; 13918 int uid; 13919 // The set of users that originally had this package installed. 13920 int[] origUsers; 13921 // The set of users that now have this package installed. 13922 int[] newUsers; 13923 PackageParser.Package pkg; 13924 int returnCode; 13925 String returnMsg; 13926 PackageRemovedInfo removedInfo; 13927 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13928 13929 public void setError(int code, String msg) { 13930 setReturnCode(code); 13931 setReturnMessage(msg); 13932 Slog.w(TAG, msg); 13933 } 13934 13935 public void setError(String msg, PackageParserException e) { 13936 setReturnCode(e.error); 13937 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13938 Slog.w(TAG, msg, e); 13939 } 13940 13941 public void setError(String msg, PackageManagerException e) { 13942 returnCode = e.error; 13943 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13944 Slog.w(TAG, msg, e); 13945 } 13946 13947 public void setReturnCode(int returnCode) { 13948 this.returnCode = returnCode; 13949 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13950 for (int i = 0; i < childCount; i++) { 13951 addedChildPackages.valueAt(i).returnCode = returnCode; 13952 } 13953 } 13954 13955 private void setReturnMessage(String returnMsg) { 13956 this.returnMsg = returnMsg; 13957 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13958 for (int i = 0; i < childCount; i++) { 13959 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13960 } 13961 } 13962 13963 // In some error cases we want to convey more info back to the observer 13964 String origPackage; 13965 String origPermission; 13966 } 13967 13968 /* 13969 * Install a non-existing package. 13970 */ 13971 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13972 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13973 PackageInstalledInfo res) { 13974 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13975 13976 // Remember this for later, in case we need to rollback this install 13977 String pkgName = pkg.packageName; 13978 13979 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13980 13981 synchronized(mPackages) { 13982 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13983 // A package with the same name is already installed, though 13984 // it has been renamed to an older name. The package we 13985 // are trying to install should be installed as an update to 13986 // the existing one, but that has not been requested, so bail. 13987 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13988 + " without first uninstalling package running as " 13989 + mSettings.mRenamedPackages.get(pkgName)); 13990 return; 13991 } 13992 if (mPackages.containsKey(pkgName)) { 13993 // Don't allow installation over an existing package with the same name. 13994 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13995 + " without first uninstalling."); 13996 return; 13997 } 13998 } 13999 14000 try { 14001 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14002 System.currentTimeMillis(), user); 14003 14004 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14005 14006 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14007 prepareAppDataAfterInstallLIF(newPackage); 14008 14009 } else { 14010 // Remove package from internal structures, but keep around any 14011 // data that might have already existed 14012 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14013 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14014 } 14015 } catch (PackageManagerException e) { 14016 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14017 } 14018 14019 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14020 } 14021 14022 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14023 // Can't rotate keys during boot or if sharedUser. 14024 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14025 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14026 return false; 14027 } 14028 // app is using upgradeKeySets; make sure all are valid 14029 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14030 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14031 for (int i = 0; i < upgradeKeySets.length; i++) { 14032 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14033 Slog.wtf(TAG, "Package " 14034 + (oldPs.name != null ? oldPs.name : "<null>") 14035 + " contains upgrade-key-set reference to unknown key-set: " 14036 + upgradeKeySets[i] 14037 + " reverting to signatures check."); 14038 return false; 14039 } 14040 } 14041 return true; 14042 } 14043 14044 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14045 // Upgrade keysets are being used. Determine if new package has a superset of the 14046 // required keys. 14047 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14048 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14049 for (int i = 0; i < upgradeKeySets.length; i++) { 14050 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14051 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14052 return true; 14053 } 14054 } 14055 return false; 14056 } 14057 14058 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14059 try (DigestInputStream digestStream = 14060 new DigestInputStream(new FileInputStream(file), digest)) { 14061 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14062 } 14063 } 14064 14065 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14066 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14067 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14068 14069 final PackageParser.Package oldPackage; 14070 final String pkgName = pkg.packageName; 14071 final int[] allUsers; 14072 final int[] installedUsers; 14073 14074 synchronized(mPackages) { 14075 oldPackage = mPackages.get(pkgName); 14076 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14077 14078 // don't allow upgrade to target a release SDK from a pre-release SDK 14079 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14080 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14081 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14082 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14083 if (oldTargetsPreRelease 14084 && !newTargetsPreRelease 14085 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14086 Slog.w(TAG, "Can't install package targeting released sdk"); 14087 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14088 return; 14089 } 14090 14091 // don't allow an upgrade from full to ephemeral 14092 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14093 if (isEphemeral && !oldIsEphemeral) { 14094 // can't downgrade from full to ephemeral 14095 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14096 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14097 return; 14098 } 14099 14100 // verify signatures are valid 14101 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14102 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14103 if (!checkUpgradeKeySetLP(ps, pkg)) { 14104 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14105 "New package not signed by keys specified by upgrade-keysets: " 14106 + pkgName); 14107 return; 14108 } 14109 } else { 14110 // default to original signature matching 14111 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14112 != PackageManager.SIGNATURE_MATCH) { 14113 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14114 "New package has a different signature: " + pkgName); 14115 return; 14116 } 14117 } 14118 14119 // don't allow a system upgrade unless the upgrade hash matches 14120 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14121 byte[] digestBytes = null; 14122 try { 14123 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14124 updateDigest(digest, new File(pkg.baseCodePath)); 14125 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14126 for (String path : pkg.splitCodePaths) { 14127 updateDigest(digest, new File(path)); 14128 } 14129 } 14130 digestBytes = digest.digest(); 14131 } catch (NoSuchAlgorithmException | IOException e) { 14132 res.setError(INSTALL_FAILED_INVALID_APK, 14133 "Could not compute hash: " + pkgName); 14134 return; 14135 } 14136 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14137 res.setError(INSTALL_FAILED_INVALID_APK, 14138 "New package fails restrict-update check: " + pkgName); 14139 return; 14140 } 14141 // retain upgrade restriction 14142 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14143 } 14144 14145 // Check for shared user id changes 14146 String invalidPackageName = 14147 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14148 if (invalidPackageName != null) { 14149 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14150 "Package " + invalidPackageName + " tried to change user " 14151 + oldPackage.mSharedUserId); 14152 return; 14153 } 14154 14155 // In case of rollback, remember per-user/profile install state 14156 allUsers = sUserManager.getUserIds(); 14157 installedUsers = ps.queryInstalledUsers(allUsers, true); 14158 } 14159 14160 // Update what is removed 14161 res.removedInfo = new PackageRemovedInfo(); 14162 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14163 res.removedInfo.removedPackage = oldPackage.packageName; 14164 res.removedInfo.isUpdate = true; 14165 res.removedInfo.origUsers = installedUsers; 14166 final int childCount = (oldPackage.childPackages != null) 14167 ? oldPackage.childPackages.size() : 0; 14168 for (int i = 0; i < childCount; i++) { 14169 boolean childPackageUpdated = false; 14170 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14171 if (res.addedChildPackages != null) { 14172 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14173 if (childRes != null) { 14174 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14175 childRes.removedInfo.removedPackage = childPkg.packageName; 14176 childRes.removedInfo.isUpdate = true; 14177 childPackageUpdated = true; 14178 } 14179 } 14180 if (!childPackageUpdated) { 14181 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14182 childRemovedRes.removedPackage = childPkg.packageName; 14183 childRemovedRes.isUpdate = false; 14184 childRemovedRes.dataRemoved = true; 14185 synchronized (mPackages) { 14186 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14187 if (childPs != null) { 14188 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14189 } 14190 } 14191 if (res.removedInfo.removedChildPackages == null) { 14192 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14193 } 14194 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14195 } 14196 } 14197 14198 boolean sysPkg = (isSystemApp(oldPackage)); 14199 if (sysPkg) { 14200 // Set the system/privileged flags as needed 14201 final boolean privileged = 14202 (oldPackage.applicationInfo.privateFlags 14203 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14204 final int systemPolicyFlags = policyFlags 14205 | PackageParser.PARSE_IS_SYSTEM 14206 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14207 14208 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14209 user, allUsers, installerPackageName, res); 14210 } else { 14211 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14212 user, allUsers, installerPackageName, res); 14213 } 14214 } 14215 14216 public List<String> getPreviousCodePaths(String packageName) { 14217 final PackageSetting ps = mSettings.mPackages.get(packageName); 14218 final List<String> result = new ArrayList<String>(); 14219 if (ps != null && ps.oldCodePaths != null) { 14220 result.addAll(ps.oldCodePaths); 14221 } 14222 return result; 14223 } 14224 14225 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14226 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14227 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14228 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14229 + deletedPackage); 14230 14231 String pkgName = deletedPackage.packageName; 14232 boolean deletedPkg = true; 14233 boolean addedPkg = false; 14234 boolean updatedSettings = false; 14235 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14236 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14237 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14238 14239 final long origUpdateTime = (pkg.mExtras != null) 14240 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14241 14242 // First delete the existing package while retaining the data directory 14243 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14244 res.removedInfo, true, pkg)) { 14245 // If the existing package wasn't successfully deleted 14246 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14247 deletedPkg = false; 14248 } else { 14249 // Successfully deleted the old package; proceed with replace. 14250 14251 // If deleted package lived in a container, give users a chance to 14252 // relinquish resources before killing. 14253 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14254 if (DEBUG_INSTALL) { 14255 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14256 } 14257 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14258 final ArrayList<String> pkgList = new ArrayList<String>(1); 14259 pkgList.add(deletedPackage.applicationInfo.packageName); 14260 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14261 } 14262 14263 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14264 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14265 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14266 14267 try { 14268 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14269 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14270 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14271 14272 // Update the in-memory copy of the previous code paths. 14273 PackageSetting ps = mSettings.mPackages.get(pkgName); 14274 if (!killApp) { 14275 if (ps.oldCodePaths == null) { 14276 ps.oldCodePaths = new ArraySet<>(); 14277 } 14278 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14279 if (deletedPackage.splitCodePaths != null) { 14280 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14281 } 14282 } else { 14283 ps.oldCodePaths = null; 14284 } 14285 if (ps.childPackageNames != null) { 14286 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14287 final String childPkgName = ps.childPackageNames.get(i); 14288 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14289 childPs.oldCodePaths = ps.oldCodePaths; 14290 } 14291 } 14292 prepareAppDataAfterInstallLIF(newPackage); 14293 addedPkg = true; 14294 } catch (PackageManagerException e) { 14295 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14296 } 14297 } 14298 14299 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14300 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14301 14302 // Revert all internal state mutations and added folders for the failed install 14303 if (addedPkg) { 14304 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14305 res.removedInfo, true, null); 14306 } 14307 14308 // Restore the old package 14309 if (deletedPkg) { 14310 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14311 File restoreFile = new File(deletedPackage.codePath); 14312 // Parse old package 14313 boolean oldExternal = isExternal(deletedPackage); 14314 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14315 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14316 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14317 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14318 try { 14319 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14320 null); 14321 } catch (PackageManagerException e) { 14322 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14323 + e.getMessage()); 14324 return; 14325 } 14326 14327 synchronized (mPackages) { 14328 // Ensure the installer package name up to date 14329 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14330 14331 // Update permissions for restored package 14332 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14333 14334 mSettings.writeLPr(); 14335 } 14336 14337 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14338 } 14339 } else { 14340 synchronized (mPackages) { 14341 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14342 if (ps != null) { 14343 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14344 if (res.removedInfo.removedChildPackages != null) { 14345 final int childCount = res.removedInfo.removedChildPackages.size(); 14346 // Iterate in reverse as we may modify the collection 14347 for (int i = childCount - 1; i >= 0; i--) { 14348 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14349 if (res.addedChildPackages.containsKey(childPackageName)) { 14350 res.removedInfo.removedChildPackages.removeAt(i); 14351 } else { 14352 PackageRemovedInfo childInfo = res.removedInfo 14353 .removedChildPackages.valueAt(i); 14354 childInfo.removedForAllUsers = mPackages.get( 14355 childInfo.removedPackage) == null; 14356 } 14357 } 14358 } 14359 } 14360 } 14361 } 14362 } 14363 14364 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14365 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14366 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14367 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14368 + ", old=" + deletedPackage); 14369 14370 final boolean disabledSystem; 14371 14372 // Remove existing system package 14373 removePackageLI(deletedPackage, true); 14374 14375 synchronized (mPackages) { 14376 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14377 } 14378 if (!disabledSystem) { 14379 // We didn't need to disable the .apk as a current system package, 14380 // which means we are replacing another update that is already 14381 // installed. We need to make sure to delete the older one's .apk. 14382 res.removedInfo.args = createInstallArgsForExisting(0, 14383 deletedPackage.applicationInfo.getCodePath(), 14384 deletedPackage.applicationInfo.getResourcePath(), 14385 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14386 } else { 14387 res.removedInfo.args = null; 14388 } 14389 14390 // Successfully disabled the old package. Now proceed with re-installation 14391 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14392 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14393 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14394 14395 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14396 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14397 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14398 14399 PackageParser.Package newPackage = null; 14400 try { 14401 // Add the package to the internal data structures 14402 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14403 14404 // Set the update and install times 14405 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14406 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14407 System.currentTimeMillis()); 14408 14409 // Update the package dynamic state if succeeded 14410 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14411 // Now that the install succeeded make sure we remove data 14412 // directories for any child package the update removed. 14413 final int deletedChildCount = (deletedPackage.childPackages != null) 14414 ? deletedPackage.childPackages.size() : 0; 14415 final int newChildCount = (newPackage.childPackages != null) 14416 ? newPackage.childPackages.size() : 0; 14417 for (int i = 0; i < deletedChildCount; i++) { 14418 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14419 boolean childPackageDeleted = true; 14420 for (int j = 0; j < newChildCount; j++) { 14421 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14422 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14423 childPackageDeleted = false; 14424 break; 14425 } 14426 } 14427 if (childPackageDeleted) { 14428 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14429 deletedChildPkg.packageName); 14430 if (ps != null && res.removedInfo.removedChildPackages != null) { 14431 PackageRemovedInfo removedChildRes = res.removedInfo 14432 .removedChildPackages.get(deletedChildPkg.packageName); 14433 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14434 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14435 } 14436 } 14437 } 14438 14439 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14440 prepareAppDataAfterInstallLIF(newPackage); 14441 } 14442 } catch (PackageManagerException e) { 14443 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14444 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14445 } 14446 14447 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14448 // Re installation failed. Restore old information 14449 // Remove new pkg information 14450 if (newPackage != null) { 14451 removeInstalledPackageLI(newPackage, true); 14452 } 14453 // Add back the old system package 14454 try { 14455 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14456 } catch (PackageManagerException e) { 14457 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14458 } 14459 14460 synchronized (mPackages) { 14461 if (disabledSystem) { 14462 enableSystemPackageLPw(deletedPackage); 14463 } 14464 14465 // Ensure the installer package name up to date 14466 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14467 14468 // Update permissions for restored package 14469 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14470 14471 mSettings.writeLPr(); 14472 } 14473 14474 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14475 + " after failed upgrade"); 14476 } 14477 } 14478 14479 /** 14480 * Checks whether the parent or any of the child packages have a change shared 14481 * user. For a package to be a valid update the shred users of the parent and 14482 * the children should match. We may later support changing child shared users. 14483 * @param oldPkg The updated package. 14484 * @param newPkg The update package. 14485 * @return The shared user that change between the versions. 14486 */ 14487 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14488 PackageParser.Package newPkg) { 14489 // Check parent shared user 14490 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14491 return newPkg.packageName; 14492 } 14493 // Check child shared users 14494 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14495 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14496 for (int i = 0; i < newChildCount; i++) { 14497 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14498 // If this child was present, did it have the same shared user? 14499 for (int j = 0; j < oldChildCount; j++) { 14500 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14501 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14502 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14503 return newChildPkg.packageName; 14504 } 14505 } 14506 } 14507 return null; 14508 } 14509 14510 private void removeNativeBinariesLI(PackageSetting ps) { 14511 // Remove the lib path for the parent package 14512 if (ps != null) { 14513 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14514 // Remove the lib path for the child packages 14515 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14516 for (int i = 0; i < childCount; i++) { 14517 PackageSetting childPs = null; 14518 synchronized (mPackages) { 14519 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14520 } 14521 if (childPs != null) { 14522 NativeLibraryHelper.removeNativeBinariesLI(childPs 14523 .legacyNativeLibraryPathString); 14524 } 14525 } 14526 } 14527 } 14528 14529 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14530 // Enable the parent package 14531 mSettings.enableSystemPackageLPw(pkg.packageName); 14532 // Enable the child packages 14533 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14534 for (int i = 0; i < childCount; i++) { 14535 PackageParser.Package childPkg = pkg.childPackages.get(i); 14536 mSettings.enableSystemPackageLPw(childPkg.packageName); 14537 } 14538 } 14539 14540 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14541 PackageParser.Package newPkg) { 14542 // Disable the parent package (parent always replaced) 14543 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14544 // Disable the child packages 14545 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14546 for (int i = 0; i < childCount; i++) { 14547 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14548 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14549 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14550 } 14551 return disabled; 14552 } 14553 14554 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14555 String installerPackageName) { 14556 // Enable the parent package 14557 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14558 // Enable the child packages 14559 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14560 for (int i = 0; i < childCount; i++) { 14561 PackageParser.Package childPkg = pkg.childPackages.get(i); 14562 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14563 } 14564 } 14565 14566 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14567 // Collect all used permissions in the UID 14568 ArraySet<String> usedPermissions = new ArraySet<>(); 14569 final int packageCount = su.packages.size(); 14570 for (int i = 0; i < packageCount; i++) { 14571 PackageSetting ps = su.packages.valueAt(i); 14572 if (ps.pkg == null) { 14573 continue; 14574 } 14575 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14576 for (int j = 0; j < requestedPermCount; j++) { 14577 String permission = ps.pkg.requestedPermissions.get(j); 14578 BasePermission bp = mSettings.mPermissions.get(permission); 14579 if (bp != null) { 14580 usedPermissions.add(permission); 14581 } 14582 } 14583 } 14584 14585 PermissionsState permissionsState = su.getPermissionsState(); 14586 // Prune install permissions 14587 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14588 final int installPermCount = installPermStates.size(); 14589 for (int i = installPermCount - 1; i >= 0; i--) { 14590 PermissionState permissionState = installPermStates.get(i); 14591 if (!usedPermissions.contains(permissionState.getName())) { 14592 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14593 if (bp != null) { 14594 permissionsState.revokeInstallPermission(bp); 14595 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14596 PackageManager.MASK_PERMISSION_FLAGS, 0); 14597 } 14598 } 14599 } 14600 14601 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14602 14603 // Prune runtime permissions 14604 for (int userId : allUserIds) { 14605 List<PermissionState> runtimePermStates = permissionsState 14606 .getRuntimePermissionStates(userId); 14607 final int runtimePermCount = runtimePermStates.size(); 14608 for (int i = runtimePermCount - 1; i >= 0; i--) { 14609 PermissionState permissionState = runtimePermStates.get(i); 14610 if (!usedPermissions.contains(permissionState.getName())) { 14611 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14612 if (bp != null) { 14613 permissionsState.revokeRuntimePermission(bp, userId); 14614 permissionsState.updatePermissionFlags(bp, userId, 14615 PackageManager.MASK_PERMISSION_FLAGS, 0); 14616 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14617 runtimePermissionChangedUserIds, userId); 14618 } 14619 } 14620 } 14621 } 14622 14623 return runtimePermissionChangedUserIds; 14624 } 14625 14626 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14627 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14628 // Update the parent package setting 14629 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14630 res, user); 14631 // Update the child packages setting 14632 final int childCount = (newPackage.childPackages != null) 14633 ? newPackage.childPackages.size() : 0; 14634 for (int i = 0; i < childCount; i++) { 14635 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14636 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14637 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14638 childRes.origUsers, childRes, user); 14639 } 14640 } 14641 14642 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14643 String installerPackageName, int[] allUsers, int[] installedForUsers, 14644 PackageInstalledInfo res, UserHandle user) { 14645 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14646 14647 String pkgName = newPackage.packageName; 14648 synchronized (mPackages) { 14649 //write settings. the installStatus will be incomplete at this stage. 14650 //note that the new package setting would have already been 14651 //added to mPackages. It hasn't been persisted yet. 14652 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14653 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14654 mSettings.writeLPr(); 14655 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14656 } 14657 14658 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14659 synchronized (mPackages) { 14660 updatePermissionsLPw(newPackage.packageName, newPackage, 14661 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14662 ? UPDATE_PERMISSIONS_ALL : 0)); 14663 // For system-bundled packages, we assume that installing an upgraded version 14664 // of the package implies that the user actually wants to run that new code, 14665 // so we enable the package. 14666 PackageSetting ps = mSettings.mPackages.get(pkgName); 14667 final int userId = user.getIdentifier(); 14668 if (ps != null) { 14669 if (isSystemApp(newPackage)) { 14670 if (DEBUG_INSTALL) { 14671 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14672 } 14673 // Enable system package for requested users 14674 if (res.origUsers != null) { 14675 for (int origUserId : res.origUsers) { 14676 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14677 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14678 origUserId, installerPackageName); 14679 } 14680 } 14681 } 14682 // Also convey the prior install/uninstall state 14683 if (allUsers != null && installedForUsers != null) { 14684 for (int currentUserId : allUsers) { 14685 final boolean installed = ArrayUtils.contains( 14686 installedForUsers, currentUserId); 14687 if (DEBUG_INSTALL) { 14688 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14689 } 14690 ps.setInstalled(installed, currentUserId); 14691 } 14692 // these install state changes will be persisted in the 14693 // upcoming call to mSettings.writeLPr(). 14694 } 14695 } 14696 // It's implied that when a user requests installation, they want the app to be 14697 // installed and enabled. 14698 if (userId != UserHandle.USER_ALL) { 14699 ps.setInstalled(true, userId); 14700 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14701 } 14702 } 14703 res.name = pkgName; 14704 res.uid = newPackage.applicationInfo.uid; 14705 res.pkg = newPackage; 14706 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14707 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14708 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14709 //to update install status 14710 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14711 mSettings.writeLPr(); 14712 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14713 } 14714 14715 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14716 } 14717 14718 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14719 try { 14720 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14721 installPackageLI(args, res); 14722 } finally { 14723 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14724 } 14725 } 14726 14727 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14728 final int installFlags = args.installFlags; 14729 final String installerPackageName = args.installerPackageName; 14730 final String volumeUuid = args.volumeUuid; 14731 final File tmpPackageFile = new File(args.getCodePath()); 14732 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14733 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14734 || (args.volumeUuid != null)); 14735 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14736 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14737 boolean replace = false; 14738 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14739 if (args.move != null) { 14740 // moving a complete application; perform an initial scan on the new install location 14741 scanFlags |= SCAN_INITIAL; 14742 } 14743 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14744 scanFlags |= SCAN_DONT_KILL_APP; 14745 } 14746 14747 // Result object to be returned 14748 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14749 14750 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14751 14752 // Sanity check 14753 if (ephemeral && (forwardLocked || onExternal)) { 14754 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14755 + " external=" + onExternal); 14756 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14757 return; 14758 } 14759 14760 // Retrieve PackageSettings and parse package 14761 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14762 | PackageParser.PARSE_ENFORCE_CODE 14763 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14764 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14765 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14766 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14767 PackageParser pp = new PackageParser(); 14768 pp.setSeparateProcesses(mSeparateProcesses); 14769 pp.setDisplayMetrics(mMetrics); 14770 14771 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14772 final PackageParser.Package pkg; 14773 try { 14774 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14775 } catch (PackageParserException e) { 14776 res.setError("Failed parse during installPackageLI", e); 14777 return; 14778 } finally { 14779 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14780 } 14781 14782 // If we are installing a clustered package add results for the children 14783 if (pkg.childPackages != null) { 14784 synchronized (mPackages) { 14785 final int childCount = pkg.childPackages.size(); 14786 for (int i = 0; i < childCount; i++) { 14787 PackageParser.Package childPkg = pkg.childPackages.get(i); 14788 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14789 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14790 childRes.pkg = childPkg; 14791 childRes.name = childPkg.packageName; 14792 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14793 if (childPs != null) { 14794 childRes.origUsers = childPs.queryInstalledUsers( 14795 sUserManager.getUserIds(), true); 14796 } 14797 if ((mPackages.containsKey(childPkg.packageName))) { 14798 childRes.removedInfo = new PackageRemovedInfo(); 14799 childRes.removedInfo.removedPackage = childPkg.packageName; 14800 } 14801 if (res.addedChildPackages == null) { 14802 res.addedChildPackages = new ArrayMap<>(); 14803 } 14804 res.addedChildPackages.put(childPkg.packageName, childRes); 14805 } 14806 } 14807 } 14808 14809 // If package doesn't declare API override, mark that we have an install 14810 // time CPU ABI override. 14811 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14812 pkg.cpuAbiOverride = args.abiOverride; 14813 } 14814 14815 String pkgName = res.name = pkg.packageName; 14816 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14817 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14818 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14819 return; 14820 } 14821 } 14822 14823 try { 14824 // either use what we've been given or parse directly from the APK 14825 if (args.certificates != null) { 14826 try { 14827 PackageParser.populateCertificates(pkg, args.certificates); 14828 } catch (PackageParserException e) { 14829 // there was something wrong with the certificates we were given; 14830 // try to pull them from the APK 14831 PackageParser.collectCertificates(pkg, parseFlags); 14832 } 14833 } else { 14834 PackageParser.collectCertificates(pkg, parseFlags); 14835 } 14836 } catch (PackageParserException e) { 14837 res.setError("Failed collect during installPackageLI", e); 14838 return; 14839 } 14840 14841 // Get rid of all references to package scan path via parser. 14842 pp = null; 14843 String oldCodePath = null; 14844 boolean systemApp = false; 14845 synchronized (mPackages) { 14846 // Check if installing already existing package 14847 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14848 String oldName = mSettings.mRenamedPackages.get(pkgName); 14849 if (pkg.mOriginalPackages != null 14850 && pkg.mOriginalPackages.contains(oldName) 14851 && mPackages.containsKey(oldName)) { 14852 // This package is derived from an original package, 14853 // and this device has been updating from that original 14854 // name. We must continue using the original name, so 14855 // rename the new package here. 14856 pkg.setPackageName(oldName); 14857 pkgName = pkg.packageName; 14858 replace = true; 14859 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14860 + oldName + " pkgName=" + pkgName); 14861 } else if (mPackages.containsKey(pkgName)) { 14862 // This package, under its official name, already exists 14863 // on the device; we should replace it. 14864 replace = true; 14865 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14866 } 14867 14868 // Child packages are installed through the parent package 14869 if (pkg.parentPackage != null) { 14870 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14871 "Package " + pkg.packageName + " is child of package " 14872 + pkg.parentPackage.parentPackage + ". Child packages " 14873 + "can be updated only through the parent package."); 14874 return; 14875 } 14876 14877 if (replace) { 14878 // Prevent apps opting out from runtime permissions 14879 PackageParser.Package oldPackage = mPackages.get(pkgName); 14880 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14881 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14882 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14883 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14884 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14885 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14886 + " doesn't support runtime permissions but the old" 14887 + " target SDK " + oldTargetSdk + " does."); 14888 return; 14889 } 14890 14891 // Prevent installing of child packages 14892 if (oldPackage.parentPackage != null) { 14893 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14894 "Package " + pkg.packageName + " is child of package " 14895 + oldPackage.parentPackage + ". Child packages " 14896 + "can be updated only through the parent package."); 14897 return; 14898 } 14899 } 14900 } 14901 14902 PackageSetting ps = mSettings.mPackages.get(pkgName); 14903 if (ps != null) { 14904 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14905 14906 // Quick sanity check that we're signed correctly if updating; 14907 // we'll check this again later when scanning, but we want to 14908 // bail early here before tripping over redefined permissions. 14909 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14910 if (!checkUpgradeKeySetLP(ps, pkg)) { 14911 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14912 + pkg.packageName + " upgrade keys do not match the " 14913 + "previously installed version"); 14914 return; 14915 } 14916 } else { 14917 try { 14918 verifySignaturesLP(ps, pkg); 14919 } catch (PackageManagerException e) { 14920 res.setError(e.error, e.getMessage()); 14921 return; 14922 } 14923 } 14924 14925 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14926 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14927 systemApp = (ps.pkg.applicationInfo.flags & 14928 ApplicationInfo.FLAG_SYSTEM) != 0; 14929 } 14930 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14931 } 14932 14933 // Check whether the newly-scanned package wants to define an already-defined perm 14934 int N = pkg.permissions.size(); 14935 for (int i = N-1; i >= 0; i--) { 14936 PackageParser.Permission perm = pkg.permissions.get(i); 14937 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14938 if (bp != null) { 14939 // If the defining package is signed with our cert, it's okay. This 14940 // also includes the "updating the same package" case, of course. 14941 // "updating same package" could also involve key-rotation. 14942 final boolean sigsOk; 14943 if (bp.sourcePackage.equals(pkg.packageName) 14944 && (bp.packageSetting instanceof PackageSetting) 14945 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14946 scanFlags))) { 14947 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14948 } else { 14949 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14950 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14951 } 14952 if (!sigsOk) { 14953 // If the owning package is the system itself, we log but allow 14954 // install to proceed; we fail the install on all other permission 14955 // redefinitions. 14956 if (!bp.sourcePackage.equals("android")) { 14957 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14958 + pkg.packageName + " attempting to redeclare permission " 14959 + perm.info.name + " already owned by " + bp.sourcePackage); 14960 res.origPermission = perm.info.name; 14961 res.origPackage = bp.sourcePackage; 14962 return; 14963 } else { 14964 Slog.w(TAG, "Package " + pkg.packageName 14965 + " attempting to redeclare system permission " 14966 + perm.info.name + "; ignoring new declaration"); 14967 pkg.permissions.remove(i); 14968 } 14969 } 14970 } 14971 } 14972 } 14973 14974 if (systemApp) { 14975 if (onExternal) { 14976 // Abort update; system app can't be replaced with app on sdcard 14977 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14978 "Cannot install updates to system apps on sdcard"); 14979 return; 14980 } else if (ephemeral) { 14981 // Abort update; system app can't be replaced with an ephemeral app 14982 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14983 "Cannot update a system app with an ephemeral app"); 14984 return; 14985 } 14986 } 14987 14988 if (args.move != null) { 14989 // We did an in-place move, so dex is ready to roll 14990 scanFlags |= SCAN_NO_DEX; 14991 scanFlags |= SCAN_MOVE; 14992 14993 synchronized (mPackages) { 14994 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14995 if (ps == null) { 14996 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14997 "Missing settings for moved package " + pkgName); 14998 } 14999 15000 // We moved the entire application as-is, so bring over the 15001 // previously derived ABI information. 15002 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15003 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15004 } 15005 15006 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15007 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15008 scanFlags |= SCAN_NO_DEX; 15009 15010 try { 15011 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15012 args.abiOverride : pkg.cpuAbiOverride); 15013 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15014 true /* extract libs */); 15015 } catch (PackageManagerException pme) { 15016 Slog.e(TAG, "Error deriving application ABI", pme); 15017 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15018 return; 15019 } 15020 15021 // Shared libraries for the package need to be updated. 15022 synchronized (mPackages) { 15023 try { 15024 updateSharedLibrariesLPw(pkg, null); 15025 } catch (PackageManagerException e) { 15026 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15027 } 15028 } 15029 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15030 // Do not run PackageDexOptimizer through the local performDexOpt 15031 // method because `pkg` may not be in `mPackages` yet. 15032 // 15033 // Also, don't fail application installs if the dexopt step fails. 15034 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15035 null /* instructionSets */, false /* checkProfiles */, 15036 getCompilerFilterForReason(REASON_INSTALL), 15037 getOrCreateCompilerPackageStats(pkg)); 15038 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15039 15040 // Notify BackgroundDexOptService that the package has been changed. 15041 // If this is an update of a package which used to fail to compile, 15042 // BDOS will remove it from its blacklist. 15043 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15044 } 15045 15046 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15047 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15048 return; 15049 } 15050 15051 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15052 15053 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15054 "installPackageLI")) { 15055 if (replace) { 15056 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15057 installerPackageName, res); 15058 } else { 15059 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15060 args.user, installerPackageName, volumeUuid, res); 15061 } 15062 } 15063 synchronized (mPackages) { 15064 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15065 if (ps != null) { 15066 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15067 } 15068 15069 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15070 for (int i = 0; i < childCount; i++) { 15071 PackageParser.Package childPkg = pkg.childPackages.get(i); 15072 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15073 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15074 if (childPs != null) { 15075 childRes.newUsers = childPs.queryInstalledUsers( 15076 sUserManager.getUserIds(), true); 15077 } 15078 } 15079 } 15080 } 15081 15082 private void startIntentFilterVerifications(int userId, boolean replacing, 15083 PackageParser.Package pkg) { 15084 if (mIntentFilterVerifierComponent == null) { 15085 Slog.w(TAG, "No IntentFilter verification will not be done as " 15086 + "there is no IntentFilterVerifier available!"); 15087 return; 15088 } 15089 15090 final int verifierUid = getPackageUid( 15091 mIntentFilterVerifierComponent.getPackageName(), 15092 MATCH_DEBUG_TRIAGED_MISSING, 15093 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15094 15095 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15096 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15097 mHandler.sendMessage(msg); 15098 15099 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15100 for (int i = 0; i < childCount; i++) { 15101 PackageParser.Package childPkg = pkg.childPackages.get(i); 15102 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15103 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15104 mHandler.sendMessage(msg); 15105 } 15106 } 15107 15108 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15109 PackageParser.Package pkg) { 15110 int size = pkg.activities.size(); 15111 if (size == 0) { 15112 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15113 "No activity, so no need to verify any IntentFilter!"); 15114 return; 15115 } 15116 15117 final boolean hasDomainURLs = hasDomainURLs(pkg); 15118 if (!hasDomainURLs) { 15119 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15120 "No domain URLs, so no need to verify any IntentFilter!"); 15121 return; 15122 } 15123 15124 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15125 + " if any IntentFilter from the " + size 15126 + " Activities needs verification ..."); 15127 15128 int count = 0; 15129 final String packageName = pkg.packageName; 15130 15131 synchronized (mPackages) { 15132 // If this is a new install and we see that we've already run verification for this 15133 // package, we have nothing to do: it means the state was restored from backup. 15134 if (!replacing) { 15135 IntentFilterVerificationInfo ivi = 15136 mSettings.getIntentFilterVerificationLPr(packageName); 15137 if (ivi != null) { 15138 if (DEBUG_DOMAIN_VERIFICATION) { 15139 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15140 + ivi.getStatusString()); 15141 } 15142 return; 15143 } 15144 } 15145 15146 // If any filters need to be verified, then all need to be. 15147 boolean needToVerify = false; 15148 for (PackageParser.Activity a : pkg.activities) { 15149 for (ActivityIntentInfo filter : a.intents) { 15150 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15151 if (DEBUG_DOMAIN_VERIFICATION) { 15152 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15153 } 15154 needToVerify = true; 15155 break; 15156 } 15157 } 15158 } 15159 15160 if (needToVerify) { 15161 final int verificationId = mIntentFilterVerificationToken++; 15162 for (PackageParser.Activity a : pkg.activities) { 15163 for (ActivityIntentInfo filter : a.intents) { 15164 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15165 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15166 "Verification needed for IntentFilter:" + filter.toString()); 15167 mIntentFilterVerifier.addOneIntentFilterVerification( 15168 verifierUid, userId, verificationId, filter, packageName); 15169 count++; 15170 } 15171 } 15172 } 15173 } 15174 } 15175 15176 if (count > 0) { 15177 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15178 + " IntentFilter verification" + (count > 1 ? "s" : "") 15179 + " for userId:" + userId); 15180 mIntentFilterVerifier.startVerifications(userId); 15181 } else { 15182 if (DEBUG_DOMAIN_VERIFICATION) { 15183 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15184 } 15185 } 15186 } 15187 15188 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15189 final ComponentName cn = filter.activity.getComponentName(); 15190 final String packageName = cn.getPackageName(); 15191 15192 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15193 packageName); 15194 if (ivi == null) { 15195 return true; 15196 } 15197 int status = ivi.getStatus(); 15198 switch (status) { 15199 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15200 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15201 return true; 15202 15203 default: 15204 // Nothing to do 15205 return false; 15206 } 15207 } 15208 15209 private static boolean isMultiArch(ApplicationInfo info) { 15210 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15211 } 15212 15213 private static boolean isExternal(PackageParser.Package pkg) { 15214 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15215 } 15216 15217 private static boolean isExternal(PackageSetting ps) { 15218 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15219 } 15220 15221 private static boolean isEphemeral(PackageParser.Package pkg) { 15222 return pkg.applicationInfo.isEphemeralApp(); 15223 } 15224 15225 private static boolean isEphemeral(PackageSetting ps) { 15226 return ps.pkg != null && isEphemeral(ps.pkg); 15227 } 15228 15229 private static boolean isSystemApp(PackageParser.Package pkg) { 15230 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15231 } 15232 15233 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15234 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15235 } 15236 15237 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15238 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15239 } 15240 15241 private static boolean isSystemApp(PackageSetting ps) { 15242 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15243 } 15244 15245 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15246 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15247 } 15248 15249 private int packageFlagsToInstallFlags(PackageSetting ps) { 15250 int installFlags = 0; 15251 if (isEphemeral(ps)) { 15252 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15253 } 15254 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15255 // This existing package was an external ASEC install when we have 15256 // the external flag without a UUID 15257 installFlags |= PackageManager.INSTALL_EXTERNAL; 15258 } 15259 if (ps.isForwardLocked()) { 15260 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15261 } 15262 return installFlags; 15263 } 15264 15265 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15266 if (isExternal(pkg)) { 15267 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15268 return StorageManager.UUID_PRIMARY_PHYSICAL; 15269 } else { 15270 return pkg.volumeUuid; 15271 } 15272 } else { 15273 return StorageManager.UUID_PRIVATE_INTERNAL; 15274 } 15275 } 15276 15277 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15278 if (isExternal(pkg)) { 15279 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15280 return mSettings.getExternalVersion(); 15281 } else { 15282 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15283 } 15284 } else { 15285 return mSettings.getInternalVersion(); 15286 } 15287 } 15288 15289 private void deleteTempPackageFiles() { 15290 final FilenameFilter filter = new FilenameFilter() { 15291 public boolean accept(File dir, String name) { 15292 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15293 } 15294 }; 15295 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15296 file.delete(); 15297 } 15298 } 15299 15300 @Override 15301 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15302 int flags) { 15303 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15304 flags); 15305 } 15306 15307 @Override 15308 public void deletePackage(final String packageName, 15309 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15310 mContext.enforceCallingOrSelfPermission( 15311 android.Manifest.permission.DELETE_PACKAGES, null); 15312 Preconditions.checkNotNull(packageName); 15313 Preconditions.checkNotNull(observer); 15314 final int uid = Binder.getCallingUid(); 15315 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15316 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15317 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15318 mContext.enforceCallingOrSelfPermission( 15319 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15320 "deletePackage for user " + userId); 15321 } 15322 15323 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15324 try { 15325 observer.onPackageDeleted(packageName, 15326 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15327 } catch (RemoteException re) { 15328 } 15329 return; 15330 } 15331 15332 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15333 try { 15334 observer.onPackageDeleted(packageName, 15335 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15336 } catch (RemoteException re) { 15337 } 15338 return; 15339 } 15340 15341 if (DEBUG_REMOVE) { 15342 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15343 + " deleteAllUsers: " + deleteAllUsers ); 15344 } 15345 // Queue up an async operation since the package deletion may take a little while. 15346 mHandler.post(new Runnable() { 15347 public void run() { 15348 mHandler.removeCallbacks(this); 15349 int returnCode; 15350 if (!deleteAllUsers) { 15351 returnCode = deletePackageX(packageName, userId, deleteFlags); 15352 } else { 15353 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15354 // If nobody is blocking uninstall, proceed with delete for all users 15355 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15356 returnCode = deletePackageX(packageName, userId, deleteFlags); 15357 } else { 15358 // Otherwise uninstall individually for users with blockUninstalls=false 15359 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15360 for (int userId : users) { 15361 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15362 returnCode = deletePackageX(packageName, userId, userFlags); 15363 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15364 Slog.w(TAG, "Package delete failed for user " + userId 15365 + ", returnCode " + returnCode); 15366 } 15367 } 15368 } 15369 // The app has only been marked uninstalled for certain users. 15370 // We still need to report that delete was blocked 15371 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15372 } 15373 } 15374 try { 15375 observer.onPackageDeleted(packageName, returnCode, null); 15376 } catch (RemoteException e) { 15377 Log.i(TAG, "Observer no longer exists."); 15378 } //end catch 15379 } //end run 15380 }); 15381 } 15382 15383 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15384 int[] result = EMPTY_INT_ARRAY; 15385 for (int userId : userIds) { 15386 if (getBlockUninstallForUser(packageName, userId)) { 15387 result = ArrayUtils.appendInt(result, userId); 15388 } 15389 } 15390 return result; 15391 } 15392 15393 @Override 15394 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15395 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15396 } 15397 15398 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15399 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15400 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15401 try { 15402 if (dpm != null) { 15403 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15404 /* callingUserOnly =*/ false); 15405 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15406 : deviceOwnerComponentName.getPackageName(); 15407 // Does the package contains the device owner? 15408 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15409 // this check is probably not needed, since DO should be registered as a device 15410 // admin on some user too. (Original bug for this: b/17657954) 15411 if (packageName.equals(deviceOwnerPackageName)) { 15412 return true; 15413 } 15414 // Does it contain a device admin for any user? 15415 int[] users; 15416 if (userId == UserHandle.USER_ALL) { 15417 users = sUserManager.getUserIds(); 15418 } else { 15419 users = new int[]{userId}; 15420 } 15421 for (int i = 0; i < users.length; ++i) { 15422 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15423 return true; 15424 } 15425 } 15426 } 15427 } catch (RemoteException e) { 15428 } 15429 return false; 15430 } 15431 15432 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15433 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15434 } 15435 15436 /** 15437 * This method is an internal method that could be get invoked either 15438 * to delete an installed package or to clean up a failed installation. 15439 * After deleting an installed package, a broadcast is sent to notify any 15440 * listeners that the package has been removed. For cleaning up a failed 15441 * installation, the broadcast is not necessary since the package's 15442 * installation wouldn't have sent the initial broadcast either 15443 * The key steps in deleting a package are 15444 * deleting the package information in internal structures like mPackages, 15445 * deleting the packages base directories through installd 15446 * updating mSettings to reflect current status 15447 * persisting settings for later use 15448 * sending a broadcast if necessary 15449 */ 15450 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15451 final PackageRemovedInfo info = new PackageRemovedInfo(); 15452 final boolean res; 15453 15454 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15455 ? UserHandle.USER_ALL : userId; 15456 15457 if (isPackageDeviceAdmin(packageName, removeUser)) { 15458 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15459 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15460 } 15461 15462 PackageSetting uninstalledPs = null; 15463 15464 // for the uninstall-updates case and restricted profiles, remember the per- 15465 // user handle installed state 15466 int[] allUsers; 15467 synchronized (mPackages) { 15468 uninstalledPs = mSettings.mPackages.get(packageName); 15469 if (uninstalledPs == null) { 15470 Slog.w(TAG, "Not removing non-existent package " + packageName); 15471 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15472 } 15473 allUsers = sUserManager.getUserIds(); 15474 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15475 } 15476 15477 final int freezeUser; 15478 if (isUpdatedSystemApp(uninstalledPs) 15479 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15480 // We're downgrading a system app, which will apply to all users, so 15481 // freeze them all during the downgrade 15482 freezeUser = UserHandle.USER_ALL; 15483 } else { 15484 freezeUser = removeUser; 15485 } 15486 15487 synchronized (mInstallLock) { 15488 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15489 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15490 deleteFlags, "deletePackageX")) { 15491 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15492 deleteFlags | REMOVE_CHATTY, info, true, null); 15493 } 15494 synchronized (mPackages) { 15495 if (res) { 15496 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15497 } 15498 } 15499 } 15500 15501 if (res) { 15502 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15503 info.sendPackageRemovedBroadcasts(killApp); 15504 info.sendSystemPackageUpdatedBroadcasts(); 15505 info.sendSystemPackageAppearedBroadcasts(); 15506 } 15507 // Force a gc here. 15508 Runtime.getRuntime().gc(); 15509 // Delete the resources here after sending the broadcast to let 15510 // other processes clean up before deleting resources. 15511 if (info.args != null) { 15512 synchronized (mInstallLock) { 15513 info.args.doPostDeleteLI(true); 15514 } 15515 } 15516 15517 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15518 } 15519 15520 class PackageRemovedInfo { 15521 String removedPackage; 15522 int uid = -1; 15523 int removedAppId = -1; 15524 int[] origUsers; 15525 int[] removedUsers = null; 15526 boolean isRemovedPackageSystemUpdate = false; 15527 boolean isUpdate; 15528 boolean dataRemoved; 15529 boolean removedForAllUsers; 15530 // Clean up resources deleted packages. 15531 InstallArgs args = null; 15532 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15533 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15534 15535 void sendPackageRemovedBroadcasts(boolean killApp) { 15536 sendPackageRemovedBroadcastInternal(killApp); 15537 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15538 for (int i = 0; i < childCount; i++) { 15539 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15540 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15541 } 15542 } 15543 15544 void sendSystemPackageUpdatedBroadcasts() { 15545 if (isRemovedPackageSystemUpdate) { 15546 sendSystemPackageUpdatedBroadcastsInternal(); 15547 final int childCount = (removedChildPackages != null) 15548 ? removedChildPackages.size() : 0; 15549 for (int i = 0; i < childCount; i++) { 15550 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15551 if (childInfo.isRemovedPackageSystemUpdate) { 15552 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15553 } 15554 } 15555 } 15556 } 15557 15558 void sendSystemPackageAppearedBroadcasts() { 15559 final int packageCount = (appearedChildPackages != null) 15560 ? appearedChildPackages.size() : 0; 15561 for (int i = 0; i < packageCount; i++) { 15562 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15563 for (int userId : installedInfo.newUsers) { 15564 sendPackageAddedForUser(installedInfo.name, true, 15565 UserHandle.getAppId(installedInfo.uid), userId); 15566 } 15567 } 15568 } 15569 15570 private void sendSystemPackageUpdatedBroadcastsInternal() { 15571 Bundle extras = new Bundle(2); 15572 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15573 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15574 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15575 extras, 0, null, null, null); 15576 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15577 extras, 0, null, null, null); 15578 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15579 null, 0, removedPackage, null, null); 15580 } 15581 15582 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15583 Bundle extras = new Bundle(2); 15584 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15585 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15586 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15587 if (isUpdate || isRemovedPackageSystemUpdate) { 15588 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15589 } 15590 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15591 if (removedPackage != null) { 15592 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15593 extras, 0, null, null, removedUsers); 15594 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15595 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15596 removedPackage, extras, 0, null, null, removedUsers); 15597 } 15598 } 15599 if (removedAppId >= 0) { 15600 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15601 removedUsers); 15602 } 15603 } 15604 } 15605 15606 /* 15607 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15608 * flag is not set, the data directory is removed as well. 15609 * make sure this flag is set for partially installed apps. If not its meaningless to 15610 * delete a partially installed application. 15611 */ 15612 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15613 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15614 String packageName = ps.name; 15615 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15616 // Retrieve object to delete permissions for shared user later on 15617 final PackageParser.Package deletedPkg; 15618 final PackageSetting deletedPs; 15619 // reader 15620 synchronized (mPackages) { 15621 deletedPkg = mPackages.get(packageName); 15622 deletedPs = mSettings.mPackages.get(packageName); 15623 if (outInfo != null) { 15624 outInfo.removedPackage = packageName; 15625 outInfo.removedUsers = deletedPs != null 15626 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15627 : null; 15628 } 15629 } 15630 15631 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15632 15633 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15634 final PackageParser.Package resolvedPkg; 15635 if (deletedPkg != null) { 15636 resolvedPkg = deletedPkg; 15637 } else { 15638 // We don't have a parsed package when it lives on an ejected 15639 // adopted storage device, so fake something together 15640 resolvedPkg = new PackageParser.Package(ps.name); 15641 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15642 } 15643 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15644 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15645 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15646 if (outInfo != null) { 15647 outInfo.dataRemoved = true; 15648 } 15649 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15650 } 15651 15652 // writer 15653 synchronized (mPackages) { 15654 if (deletedPs != null) { 15655 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15656 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15657 clearDefaultBrowserIfNeeded(packageName); 15658 if (outInfo != null) { 15659 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15660 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15661 } 15662 updatePermissionsLPw(deletedPs.name, null, 0); 15663 if (deletedPs.sharedUser != null) { 15664 // Remove permissions associated with package. Since runtime 15665 // permissions are per user we have to kill the removed package 15666 // or packages running under the shared user of the removed 15667 // package if revoking the permissions requested only by the removed 15668 // package is successful and this causes a change in gids. 15669 for (int userId : UserManagerService.getInstance().getUserIds()) { 15670 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15671 userId); 15672 if (userIdToKill == UserHandle.USER_ALL 15673 || userIdToKill >= UserHandle.USER_SYSTEM) { 15674 // If gids changed for this user, kill all affected packages. 15675 mHandler.post(new Runnable() { 15676 @Override 15677 public void run() { 15678 // This has to happen with no lock held. 15679 killApplication(deletedPs.name, deletedPs.appId, 15680 KILL_APP_REASON_GIDS_CHANGED); 15681 } 15682 }); 15683 break; 15684 } 15685 } 15686 } 15687 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15688 } 15689 // make sure to preserve per-user disabled state if this removal was just 15690 // a downgrade of a system app to the factory package 15691 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15692 if (DEBUG_REMOVE) { 15693 Slog.d(TAG, "Propagating install state across downgrade"); 15694 } 15695 for (int userId : allUserHandles) { 15696 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15697 if (DEBUG_REMOVE) { 15698 Slog.d(TAG, " user " + userId + " => " + installed); 15699 } 15700 ps.setInstalled(installed, userId); 15701 } 15702 } 15703 } 15704 // can downgrade to reader 15705 if (writeSettings) { 15706 // Save settings now 15707 mSettings.writeLPr(); 15708 } 15709 } 15710 if (outInfo != null) { 15711 // A user ID was deleted here. Go through all users and remove it 15712 // from KeyStore. 15713 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15714 } 15715 } 15716 15717 static boolean locationIsPrivileged(File path) { 15718 try { 15719 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15720 .getCanonicalPath(); 15721 return path.getCanonicalPath().startsWith(privilegedAppDir); 15722 } catch (IOException e) { 15723 Slog.e(TAG, "Unable to access code path " + path); 15724 } 15725 return false; 15726 } 15727 15728 /* 15729 * Tries to delete system package. 15730 */ 15731 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15732 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15733 boolean writeSettings) { 15734 if (deletedPs.parentPackageName != null) { 15735 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15736 return false; 15737 } 15738 15739 final boolean applyUserRestrictions 15740 = (allUserHandles != null) && (outInfo.origUsers != null); 15741 final PackageSetting disabledPs; 15742 // Confirm if the system package has been updated 15743 // An updated system app can be deleted. This will also have to restore 15744 // the system pkg from system partition 15745 // reader 15746 synchronized (mPackages) { 15747 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15748 } 15749 15750 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15751 + " disabledPs=" + disabledPs); 15752 15753 if (disabledPs == null) { 15754 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15755 return false; 15756 } else if (DEBUG_REMOVE) { 15757 Slog.d(TAG, "Deleting system pkg from data partition"); 15758 } 15759 15760 if (DEBUG_REMOVE) { 15761 if (applyUserRestrictions) { 15762 Slog.d(TAG, "Remembering install states:"); 15763 for (int userId : allUserHandles) { 15764 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15765 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15766 } 15767 } 15768 } 15769 15770 // Delete the updated package 15771 outInfo.isRemovedPackageSystemUpdate = true; 15772 if (outInfo.removedChildPackages != null) { 15773 final int childCount = (deletedPs.childPackageNames != null) 15774 ? deletedPs.childPackageNames.size() : 0; 15775 for (int i = 0; i < childCount; i++) { 15776 String childPackageName = deletedPs.childPackageNames.get(i); 15777 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15778 .contains(childPackageName)) { 15779 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15780 childPackageName); 15781 if (childInfo != null) { 15782 childInfo.isRemovedPackageSystemUpdate = true; 15783 } 15784 } 15785 } 15786 } 15787 15788 if (disabledPs.versionCode < deletedPs.versionCode) { 15789 // Delete data for downgrades 15790 flags &= ~PackageManager.DELETE_KEEP_DATA; 15791 } else { 15792 // Preserve data by setting flag 15793 flags |= PackageManager.DELETE_KEEP_DATA; 15794 } 15795 15796 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15797 outInfo, writeSettings, disabledPs.pkg); 15798 if (!ret) { 15799 return false; 15800 } 15801 15802 // writer 15803 synchronized (mPackages) { 15804 // Reinstate the old system package 15805 enableSystemPackageLPw(disabledPs.pkg); 15806 // Remove any native libraries from the upgraded package. 15807 removeNativeBinariesLI(deletedPs); 15808 } 15809 15810 // Install the system package 15811 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15812 int parseFlags = mDefParseFlags 15813 | PackageParser.PARSE_MUST_BE_APK 15814 | PackageParser.PARSE_IS_SYSTEM 15815 | PackageParser.PARSE_IS_SYSTEM_DIR; 15816 if (locationIsPrivileged(disabledPs.codePath)) { 15817 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15818 } 15819 15820 final PackageParser.Package newPkg; 15821 try { 15822 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15823 } catch (PackageManagerException e) { 15824 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15825 + e.getMessage()); 15826 return false; 15827 } 15828 15829 prepareAppDataAfterInstallLIF(newPkg); 15830 15831 // writer 15832 synchronized (mPackages) { 15833 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15834 15835 // Propagate the permissions state as we do not want to drop on the floor 15836 // runtime permissions. The update permissions method below will take 15837 // care of removing obsolete permissions and grant install permissions. 15838 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15839 updatePermissionsLPw(newPkg.packageName, newPkg, 15840 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15841 15842 if (applyUserRestrictions) { 15843 if (DEBUG_REMOVE) { 15844 Slog.d(TAG, "Propagating install state across reinstall"); 15845 } 15846 for (int userId : allUserHandles) { 15847 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15848 if (DEBUG_REMOVE) { 15849 Slog.d(TAG, " user " + userId + " => " + installed); 15850 } 15851 ps.setInstalled(installed, userId); 15852 15853 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15854 } 15855 // Regardless of writeSettings we need to ensure that this restriction 15856 // state propagation is persisted 15857 mSettings.writeAllUsersPackageRestrictionsLPr(); 15858 } 15859 // can downgrade to reader here 15860 if (writeSettings) { 15861 mSettings.writeLPr(); 15862 } 15863 } 15864 return true; 15865 } 15866 15867 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15868 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15869 PackageRemovedInfo outInfo, boolean writeSettings, 15870 PackageParser.Package replacingPackage) { 15871 synchronized (mPackages) { 15872 if (outInfo != null) { 15873 outInfo.uid = ps.appId; 15874 } 15875 15876 if (outInfo != null && outInfo.removedChildPackages != null) { 15877 final int childCount = (ps.childPackageNames != null) 15878 ? ps.childPackageNames.size() : 0; 15879 for (int i = 0; i < childCount; i++) { 15880 String childPackageName = ps.childPackageNames.get(i); 15881 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15882 if (childPs == null) { 15883 return false; 15884 } 15885 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15886 childPackageName); 15887 if (childInfo != null) { 15888 childInfo.uid = childPs.appId; 15889 } 15890 } 15891 } 15892 } 15893 15894 // Delete package data from internal structures and also remove data if flag is set 15895 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15896 15897 // Delete the child packages data 15898 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15899 for (int i = 0; i < childCount; i++) { 15900 PackageSetting childPs; 15901 synchronized (mPackages) { 15902 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15903 } 15904 if (childPs != null) { 15905 PackageRemovedInfo childOutInfo = (outInfo != null 15906 && outInfo.removedChildPackages != null) 15907 ? outInfo.removedChildPackages.get(childPs.name) : null; 15908 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15909 && (replacingPackage != null 15910 && !replacingPackage.hasChildPackage(childPs.name)) 15911 ? flags & ~DELETE_KEEP_DATA : flags; 15912 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15913 deleteFlags, writeSettings); 15914 } 15915 } 15916 15917 // Delete application code and resources only for parent packages 15918 if (ps.parentPackageName == null) { 15919 if (deleteCodeAndResources && (outInfo != null)) { 15920 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15921 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15922 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15923 } 15924 } 15925 15926 return true; 15927 } 15928 15929 @Override 15930 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15931 int userId) { 15932 mContext.enforceCallingOrSelfPermission( 15933 android.Manifest.permission.DELETE_PACKAGES, null); 15934 synchronized (mPackages) { 15935 PackageSetting ps = mSettings.mPackages.get(packageName); 15936 if (ps == null) { 15937 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15938 return false; 15939 } 15940 if (!ps.getInstalled(userId)) { 15941 // Can't block uninstall for an app that is not installed or enabled. 15942 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15943 return false; 15944 } 15945 ps.setBlockUninstall(blockUninstall, userId); 15946 mSettings.writePackageRestrictionsLPr(userId); 15947 } 15948 return true; 15949 } 15950 15951 @Override 15952 public boolean getBlockUninstallForUser(String packageName, int userId) { 15953 synchronized (mPackages) { 15954 PackageSetting ps = mSettings.mPackages.get(packageName); 15955 if (ps == null) { 15956 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15957 return false; 15958 } 15959 return ps.getBlockUninstall(userId); 15960 } 15961 } 15962 15963 @Override 15964 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15965 int callingUid = Binder.getCallingUid(); 15966 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15967 throw new SecurityException( 15968 "setRequiredForSystemUser can only be run by the system or root"); 15969 } 15970 synchronized (mPackages) { 15971 PackageSetting ps = mSettings.mPackages.get(packageName); 15972 if (ps == null) { 15973 Log.w(TAG, "Package doesn't exist: " + packageName); 15974 return false; 15975 } 15976 if (systemUserApp) { 15977 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15978 } else { 15979 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15980 } 15981 mSettings.writeLPr(); 15982 } 15983 return true; 15984 } 15985 15986 /* 15987 * This method handles package deletion in general 15988 */ 15989 private boolean deletePackageLIF(String packageName, UserHandle user, 15990 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15991 PackageRemovedInfo outInfo, boolean writeSettings, 15992 PackageParser.Package replacingPackage) { 15993 if (packageName == null) { 15994 Slog.w(TAG, "Attempt to delete null packageName."); 15995 return false; 15996 } 15997 15998 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15999 16000 PackageSetting ps; 16001 16002 synchronized (mPackages) { 16003 ps = mSettings.mPackages.get(packageName); 16004 if (ps == null) { 16005 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16006 return false; 16007 } 16008 16009 if (ps.parentPackageName != null && (!isSystemApp(ps) 16010 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16011 if (DEBUG_REMOVE) { 16012 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16013 + ((user == null) ? UserHandle.USER_ALL : user)); 16014 } 16015 final int removedUserId = (user != null) ? user.getIdentifier() 16016 : UserHandle.USER_ALL; 16017 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16018 return false; 16019 } 16020 markPackageUninstalledForUserLPw(ps, user); 16021 scheduleWritePackageRestrictionsLocked(user); 16022 return true; 16023 } 16024 } 16025 16026 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16027 && user.getIdentifier() != UserHandle.USER_ALL)) { 16028 // The caller is asking that the package only be deleted for a single 16029 // user. To do this, we just mark its uninstalled state and delete 16030 // its data. If this is a system app, we only allow this to happen if 16031 // they have set the special DELETE_SYSTEM_APP which requests different 16032 // semantics than normal for uninstalling system apps. 16033 markPackageUninstalledForUserLPw(ps, user); 16034 16035 if (!isSystemApp(ps)) { 16036 // Do not uninstall the APK if an app should be cached 16037 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16038 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16039 // Other user still have this package installed, so all 16040 // we need to do is clear this user's data and save that 16041 // it is uninstalled. 16042 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16043 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16044 return false; 16045 } 16046 scheduleWritePackageRestrictionsLocked(user); 16047 return true; 16048 } else { 16049 // We need to set it back to 'installed' so the uninstall 16050 // broadcasts will be sent correctly. 16051 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16052 ps.setInstalled(true, user.getIdentifier()); 16053 } 16054 } else { 16055 // This is a system app, so we assume that the 16056 // other users still have this package installed, so all 16057 // we need to do is clear this user's data and save that 16058 // it is uninstalled. 16059 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16060 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16061 return false; 16062 } 16063 scheduleWritePackageRestrictionsLocked(user); 16064 return true; 16065 } 16066 } 16067 16068 // If we are deleting a composite package for all users, keep track 16069 // of result for each child. 16070 if (ps.childPackageNames != null && outInfo != null) { 16071 synchronized (mPackages) { 16072 final int childCount = ps.childPackageNames.size(); 16073 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16074 for (int i = 0; i < childCount; i++) { 16075 String childPackageName = ps.childPackageNames.get(i); 16076 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16077 childInfo.removedPackage = childPackageName; 16078 outInfo.removedChildPackages.put(childPackageName, childInfo); 16079 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16080 if (childPs != null) { 16081 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16082 } 16083 } 16084 } 16085 } 16086 16087 boolean ret = false; 16088 if (isSystemApp(ps)) { 16089 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16090 // When an updated system application is deleted we delete the existing resources 16091 // as well and fall back to existing code in system partition 16092 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16093 } else { 16094 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16095 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16096 outInfo, writeSettings, replacingPackage); 16097 } 16098 16099 // Take a note whether we deleted the package for all users 16100 if (outInfo != null) { 16101 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16102 if (outInfo.removedChildPackages != null) { 16103 synchronized (mPackages) { 16104 final int childCount = outInfo.removedChildPackages.size(); 16105 for (int i = 0; i < childCount; i++) { 16106 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16107 if (childInfo != null) { 16108 childInfo.removedForAllUsers = mPackages.get( 16109 childInfo.removedPackage) == null; 16110 } 16111 } 16112 } 16113 } 16114 // If we uninstalled an update to a system app there may be some 16115 // child packages that appeared as they are declared in the system 16116 // app but were not declared in the update. 16117 if (isSystemApp(ps)) { 16118 synchronized (mPackages) { 16119 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16120 final int childCount = (updatedPs.childPackageNames != null) 16121 ? updatedPs.childPackageNames.size() : 0; 16122 for (int i = 0; i < childCount; i++) { 16123 String childPackageName = updatedPs.childPackageNames.get(i); 16124 if (outInfo.removedChildPackages == null 16125 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16126 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16127 if (childPs == null) { 16128 continue; 16129 } 16130 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16131 installRes.name = childPackageName; 16132 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16133 installRes.pkg = mPackages.get(childPackageName); 16134 installRes.uid = childPs.pkg.applicationInfo.uid; 16135 if (outInfo.appearedChildPackages == null) { 16136 outInfo.appearedChildPackages = new ArrayMap<>(); 16137 } 16138 outInfo.appearedChildPackages.put(childPackageName, installRes); 16139 } 16140 } 16141 } 16142 } 16143 } 16144 16145 return ret; 16146 } 16147 16148 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16149 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16150 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16151 for (int nextUserId : userIds) { 16152 if (DEBUG_REMOVE) { 16153 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16154 } 16155 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16156 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16157 false /*hidden*/, false /*suspended*/, null, null, null, 16158 false /*blockUninstall*/, 16159 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16160 } 16161 } 16162 16163 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16164 PackageRemovedInfo outInfo) { 16165 final PackageParser.Package pkg; 16166 synchronized (mPackages) { 16167 pkg = mPackages.get(ps.name); 16168 } 16169 16170 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16171 : new int[] {userId}; 16172 for (int nextUserId : userIds) { 16173 if (DEBUG_REMOVE) { 16174 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16175 + nextUserId); 16176 } 16177 16178 destroyAppDataLIF(pkg, userId, 16179 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16180 destroyAppProfilesLIF(pkg, userId); 16181 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16182 schedulePackageCleaning(ps.name, nextUserId, false); 16183 synchronized (mPackages) { 16184 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16185 scheduleWritePackageRestrictionsLocked(nextUserId); 16186 } 16187 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16188 } 16189 } 16190 16191 if (outInfo != null) { 16192 outInfo.removedPackage = ps.name; 16193 outInfo.removedAppId = ps.appId; 16194 outInfo.removedUsers = userIds; 16195 } 16196 16197 return true; 16198 } 16199 16200 private final class ClearStorageConnection implements ServiceConnection { 16201 IMediaContainerService mContainerService; 16202 16203 @Override 16204 public void onServiceConnected(ComponentName name, IBinder service) { 16205 synchronized (this) { 16206 mContainerService = IMediaContainerService.Stub.asInterface(service); 16207 notifyAll(); 16208 } 16209 } 16210 16211 @Override 16212 public void onServiceDisconnected(ComponentName name) { 16213 } 16214 } 16215 16216 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16217 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16218 16219 final boolean mounted; 16220 if (Environment.isExternalStorageEmulated()) { 16221 mounted = true; 16222 } else { 16223 final String status = Environment.getExternalStorageState(); 16224 16225 mounted = status.equals(Environment.MEDIA_MOUNTED) 16226 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16227 } 16228 16229 if (!mounted) { 16230 return; 16231 } 16232 16233 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16234 int[] users; 16235 if (userId == UserHandle.USER_ALL) { 16236 users = sUserManager.getUserIds(); 16237 } else { 16238 users = new int[] { userId }; 16239 } 16240 final ClearStorageConnection conn = new ClearStorageConnection(); 16241 if (mContext.bindServiceAsUser( 16242 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16243 try { 16244 for (int curUser : users) { 16245 long timeout = SystemClock.uptimeMillis() + 5000; 16246 synchronized (conn) { 16247 long now; 16248 while (conn.mContainerService == null && 16249 (now = SystemClock.uptimeMillis()) < timeout) { 16250 try { 16251 conn.wait(timeout - now); 16252 } catch (InterruptedException e) { 16253 } 16254 } 16255 } 16256 if (conn.mContainerService == null) { 16257 return; 16258 } 16259 16260 final UserEnvironment userEnv = new UserEnvironment(curUser); 16261 clearDirectory(conn.mContainerService, 16262 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16263 if (allData) { 16264 clearDirectory(conn.mContainerService, 16265 userEnv.buildExternalStorageAppDataDirs(packageName)); 16266 clearDirectory(conn.mContainerService, 16267 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16268 } 16269 } 16270 } finally { 16271 mContext.unbindService(conn); 16272 } 16273 } 16274 } 16275 16276 @Override 16277 public void clearApplicationProfileData(String packageName) { 16278 enforceSystemOrRoot("Only the system can clear all profile data"); 16279 16280 final PackageParser.Package pkg; 16281 synchronized (mPackages) { 16282 pkg = mPackages.get(packageName); 16283 } 16284 16285 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16286 synchronized (mInstallLock) { 16287 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16288 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16289 true /* removeBaseMarker */); 16290 } 16291 } 16292 } 16293 16294 @Override 16295 public void clearApplicationUserData(final String packageName, 16296 final IPackageDataObserver observer, final int userId) { 16297 mContext.enforceCallingOrSelfPermission( 16298 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16299 16300 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16301 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16302 16303 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16304 throw new SecurityException("Cannot clear data for a protected package: " 16305 + packageName); 16306 } 16307 // Queue up an async operation since the package deletion may take a little while. 16308 mHandler.post(new Runnable() { 16309 public void run() { 16310 mHandler.removeCallbacks(this); 16311 final boolean succeeded; 16312 try (PackageFreezer freezer = freezePackage(packageName, 16313 "clearApplicationUserData")) { 16314 synchronized (mInstallLock) { 16315 succeeded = clearApplicationUserDataLIF(packageName, userId); 16316 } 16317 clearExternalStorageDataSync(packageName, userId, true); 16318 } 16319 if (succeeded) { 16320 // invoke DeviceStorageMonitor's update method to clear any notifications 16321 DeviceStorageMonitorInternal dsm = LocalServices 16322 .getService(DeviceStorageMonitorInternal.class); 16323 if (dsm != null) { 16324 dsm.checkMemory(); 16325 } 16326 } 16327 if(observer != null) { 16328 try { 16329 observer.onRemoveCompleted(packageName, succeeded); 16330 } catch (RemoteException e) { 16331 Log.i(TAG, "Observer no longer exists."); 16332 } 16333 } //end if observer 16334 } //end run 16335 }); 16336 } 16337 16338 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16339 if (packageName == null) { 16340 Slog.w(TAG, "Attempt to delete null packageName."); 16341 return false; 16342 } 16343 16344 // Try finding details about the requested package 16345 PackageParser.Package pkg; 16346 synchronized (mPackages) { 16347 pkg = mPackages.get(packageName); 16348 if (pkg == null) { 16349 final PackageSetting ps = mSettings.mPackages.get(packageName); 16350 if (ps != null) { 16351 pkg = ps.pkg; 16352 } 16353 } 16354 16355 if (pkg == null) { 16356 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16357 return false; 16358 } 16359 16360 PackageSetting ps = (PackageSetting) pkg.mExtras; 16361 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16362 } 16363 16364 clearAppDataLIF(pkg, userId, 16365 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16366 16367 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16368 removeKeystoreDataIfNeeded(userId, appId); 16369 16370 UserManagerInternal umInternal = getUserManagerInternal(); 16371 final int flags; 16372 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16373 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16374 } else if (umInternal.isUserRunning(userId)) { 16375 flags = StorageManager.FLAG_STORAGE_DE; 16376 } else { 16377 flags = 0; 16378 } 16379 prepareAppDataContentsLIF(pkg, userId, flags); 16380 16381 return true; 16382 } 16383 16384 /** 16385 * Reverts user permission state changes (permissions and flags) in 16386 * all packages for a given user. 16387 * 16388 * @param userId The device user for which to do a reset. 16389 */ 16390 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16391 final int packageCount = mPackages.size(); 16392 for (int i = 0; i < packageCount; i++) { 16393 PackageParser.Package pkg = mPackages.valueAt(i); 16394 PackageSetting ps = (PackageSetting) pkg.mExtras; 16395 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16396 } 16397 } 16398 16399 private void resetNetworkPolicies(int userId) { 16400 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16401 } 16402 16403 /** 16404 * Reverts user permission state changes (permissions and flags). 16405 * 16406 * @param ps The package for which to reset. 16407 * @param userId The device user for which to do a reset. 16408 */ 16409 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16410 final PackageSetting ps, final int userId) { 16411 if (ps.pkg == null) { 16412 return; 16413 } 16414 16415 // These are flags that can change base on user actions. 16416 final int userSettableMask = FLAG_PERMISSION_USER_SET 16417 | FLAG_PERMISSION_USER_FIXED 16418 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16419 | FLAG_PERMISSION_REVIEW_REQUIRED; 16420 16421 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16422 | FLAG_PERMISSION_POLICY_FIXED; 16423 16424 boolean writeInstallPermissions = false; 16425 boolean writeRuntimePermissions = false; 16426 16427 final int permissionCount = ps.pkg.requestedPermissions.size(); 16428 for (int i = 0; i < permissionCount; i++) { 16429 String permission = ps.pkg.requestedPermissions.get(i); 16430 16431 BasePermission bp = mSettings.mPermissions.get(permission); 16432 if (bp == null) { 16433 continue; 16434 } 16435 16436 // If shared user we just reset the state to which only this app contributed. 16437 if (ps.sharedUser != null) { 16438 boolean used = false; 16439 final int packageCount = ps.sharedUser.packages.size(); 16440 for (int j = 0; j < packageCount; j++) { 16441 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16442 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16443 && pkg.pkg.requestedPermissions.contains(permission)) { 16444 used = true; 16445 break; 16446 } 16447 } 16448 if (used) { 16449 continue; 16450 } 16451 } 16452 16453 PermissionsState permissionsState = ps.getPermissionsState(); 16454 16455 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16456 16457 // Always clear the user settable flags. 16458 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16459 bp.name) != null; 16460 // If permission review is enabled and this is a legacy app, mark the 16461 // permission as requiring a review as this is the initial state. 16462 int flags = 0; 16463 if (Build.PERMISSIONS_REVIEW_REQUIRED 16464 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16465 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16466 } 16467 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16468 if (hasInstallState) { 16469 writeInstallPermissions = true; 16470 } else { 16471 writeRuntimePermissions = true; 16472 } 16473 } 16474 16475 // Below is only runtime permission handling. 16476 if (!bp.isRuntime()) { 16477 continue; 16478 } 16479 16480 // Never clobber system or policy. 16481 if ((oldFlags & policyOrSystemFlags) != 0) { 16482 continue; 16483 } 16484 16485 // If this permission was granted by default, make sure it is. 16486 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16487 if (permissionsState.grantRuntimePermission(bp, userId) 16488 != PERMISSION_OPERATION_FAILURE) { 16489 writeRuntimePermissions = true; 16490 } 16491 // If permission review is enabled the permissions for a legacy apps 16492 // are represented as constantly granted runtime ones, so don't revoke. 16493 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16494 // Otherwise, reset the permission. 16495 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16496 switch (revokeResult) { 16497 case PERMISSION_OPERATION_SUCCESS: 16498 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16499 writeRuntimePermissions = true; 16500 final int appId = ps.appId; 16501 mHandler.post(new Runnable() { 16502 @Override 16503 public void run() { 16504 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16505 } 16506 }); 16507 } break; 16508 } 16509 } 16510 } 16511 16512 // Synchronously write as we are taking permissions away. 16513 if (writeRuntimePermissions) { 16514 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16515 } 16516 16517 // Synchronously write as we are taking permissions away. 16518 if (writeInstallPermissions) { 16519 mSettings.writeLPr(); 16520 } 16521 } 16522 16523 /** 16524 * Remove entries from the keystore daemon. Will only remove it if the 16525 * {@code appId} is valid. 16526 */ 16527 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16528 if (appId < 0) { 16529 return; 16530 } 16531 16532 final KeyStore keyStore = KeyStore.getInstance(); 16533 if (keyStore != null) { 16534 if (userId == UserHandle.USER_ALL) { 16535 for (final int individual : sUserManager.getUserIds()) { 16536 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16537 } 16538 } else { 16539 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16540 } 16541 } else { 16542 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16543 } 16544 } 16545 16546 @Override 16547 public void deleteApplicationCacheFiles(final String packageName, 16548 final IPackageDataObserver observer) { 16549 final int userId = UserHandle.getCallingUserId(); 16550 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16551 } 16552 16553 @Override 16554 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16555 final IPackageDataObserver observer) { 16556 mContext.enforceCallingOrSelfPermission( 16557 android.Manifest.permission.DELETE_CACHE_FILES, null); 16558 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16559 /* requireFullPermission= */ true, /* checkShell= */ false, 16560 "delete application cache files"); 16561 16562 final PackageParser.Package pkg; 16563 synchronized (mPackages) { 16564 pkg = mPackages.get(packageName); 16565 } 16566 16567 // Queue up an async operation since the package deletion may take a little while. 16568 mHandler.post(new Runnable() { 16569 public void run() { 16570 synchronized (mInstallLock) { 16571 final int flags = StorageManager.FLAG_STORAGE_DE 16572 | StorageManager.FLAG_STORAGE_CE; 16573 // We're only clearing cache files, so we don't care if the 16574 // app is unfrozen and still able to run 16575 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16576 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16577 } 16578 clearExternalStorageDataSync(packageName, userId, false); 16579 if (observer != null) { 16580 try { 16581 observer.onRemoveCompleted(packageName, true); 16582 } catch (RemoteException e) { 16583 Log.i(TAG, "Observer no longer exists."); 16584 } 16585 } 16586 } 16587 }); 16588 } 16589 16590 @Override 16591 public void getPackageSizeInfo(final String packageName, int userHandle, 16592 final IPackageStatsObserver observer) { 16593 mContext.enforceCallingOrSelfPermission( 16594 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16595 if (packageName == null) { 16596 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16597 } 16598 16599 PackageStats stats = new PackageStats(packageName, userHandle); 16600 16601 /* 16602 * Queue up an async operation since the package measurement may take a 16603 * little while. 16604 */ 16605 Message msg = mHandler.obtainMessage(INIT_COPY); 16606 msg.obj = new MeasureParams(stats, observer); 16607 mHandler.sendMessage(msg); 16608 } 16609 16610 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16611 final PackageSetting ps; 16612 synchronized (mPackages) { 16613 ps = mSettings.mPackages.get(packageName); 16614 if (ps == null) { 16615 Slog.w(TAG, "Failed to find settings for " + packageName); 16616 return false; 16617 } 16618 } 16619 try { 16620 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16621 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16622 ps.getCeDataInode(userId), ps.codePathString, stats); 16623 } catch (InstallerException e) { 16624 Slog.w(TAG, String.valueOf(e)); 16625 return false; 16626 } 16627 16628 // For now, ignore code size of packages on system partition 16629 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16630 stats.codeSize = 0; 16631 } 16632 16633 return true; 16634 } 16635 16636 private int getUidTargetSdkVersionLockedLPr(int uid) { 16637 Object obj = mSettings.getUserIdLPr(uid); 16638 if (obj instanceof SharedUserSetting) { 16639 final SharedUserSetting sus = (SharedUserSetting) obj; 16640 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16641 final Iterator<PackageSetting> it = sus.packages.iterator(); 16642 while (it.hasNext()) { 16643 final PackageSetting ps = it.next(); 16644 if (ps.pkg != null) { 16645 int v = ps.pkg.applicationInfo.targetSdkVersion; 16646 if (v < vers) vers = v; 16647 } 16648 } 16649 return vers; 16650 } else if (obj instanceof PackageSetting) { 16651 final PackageSetting ps = (PackageSetting) obj; 16652 if (ps.pkg != null) { 16653 return ps.pkg.applicationInfo.targetSdkVersion; 16654 } 16655 } 16656 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16657 } 16658 16659 @Override 16660 public void addPreferredActivity(IntentFilter filter, int match, 16661 ComponentName[] set, ComponentName activity, int userId) { 16662 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16663 "Adding preferred"); 16664 } 16665 16666 private void addPreferredActivityInternal(IntentFilter filter, int match, 16667 ComponentName[] set, ComponentName activity, boolean always, int userId, 16668 String opname) { 16669 // writer 16670 int callingUid = Binder.getCallingUid(); 16671 enforceCrossUserPermission(callingUid, userId, 16672 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16673 if (filter.countActions() == 0) { 16674 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16675 return; 16676 } 16677 synchronized (mPackages) { 16678 if (mContext.checkCallingOrSelfPermission( 16679 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16680 != PackageManager.PERMISSION_GRANTED) { 16681 if (getUidTargetSdkVersionLockedLPr(callingUid) 16682 < Build.VERSION_CODES.FROYO) { 16683 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16684 + callingUid); 16685 return; 16686 } 16687 mContext.enforceCallingOrSelfPermission( 16688 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16689 } 16690 16691 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16692 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16693 + userId + ":"); 16694 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16695 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16696 scheduleWritePackageRestrictionsLocked(userId); 16697 postPreferredActivityChangedBroadcast(userId); 16698 } 16699 } 16700 16701 private void postPreferredActivityChangedBroadcast(int userId) { 16702 mHandler.post(() -> { 16703 final IActivityManager am = ActivityManagerNative.getDefault(); 16704 if (am == null) { 16705 return; 16706 } 16707 16708 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16709 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16710 try { 16711 am.broadcastIntent(null, intent, null, null, 16712 0, null, null, null, android.app.AppOpsManager.OP_NONE, 16713 null, false, false, userId); 16714 } catch (RemoteException e) { 16715 } 16716 }); 16717 } 16718 16719 @Override 16720 public void replacePreferredActivity(IntentFilter filter, int match, 16721 ComponentName[] set, ComponentName activity, int userId) { 16722 if (filter.countActions() != 1) { 16723 throw new IllegalArgumentException( 16724 "replacePreferredActivity expects filter to have only 1 action."); 16725 } 16726 if (filter.countDataAuthorities() != 0 16727 || filter.countDataPaths() != 0 16728 || filter.countDataSchemes() > 1 16729 || filter.countDataTypes() != 0) { 16730 throw new IllegalArgumentException( 16731 "replacePreferredActivity expects filter to have no data authorities, " + 16732 "paths, or types; and at most one scheme."); 16733 } 16734 16735 final int callingUid = Binder.getCallingUid(); 16736 enforceCrossUserPermission(callingUid, userId, 16737 true /* requireFullPermission */, false /* checkShell */, 16738 "replace preferred activity"); 16739 synchronized (mPackages) { 16740 if (mContext.checkCallingOrSelfPermission( 16741 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16742 != PackageManager.PERMISSION_GRANTED) { 16743 if (getUidTargetSdkVersionLockedLPr(callingUid) 16744 < Build.VERSION_CODES.FROYO) { 16745 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16746 + Binder.getCallingUid()); 16747 return; 16748 } 16749 mContext.enforceCallingOrSelfPermission( 16750 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16751 } 16752 16753 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16754 if (pir != null) { 16755 // Get all of the existing entries that exactly match this filter. 16756 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16757 if (existing != null && existing.size() == 1) { 16758 PreferredActivity cur = existing.get(0); 16759 if (DEBUG_PREFERRED) { 16760 Slog.i(TAG, "Checking replace of preferred:"); 16761 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16762 if (!cur.mPref.mAlways) { 16763 Slog.i(TAG, " -- CUR; not mAlways!"); 16764 } else { 16765 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16766 Slog.i(TAG, " -- CUR: mSet=" 16767 + Arrays.toString(cur.mPref.mSetComponents)); 16768 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16769 Slog.i(TAG, " -- NEW: mMatch=" 16770 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16771 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16772 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16773 } 16774 } 16775 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16776 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16777 && cur.mPref.sameSet(set)) { 16778 // Setting the preferred activity to what it happens to be already 16779 if (DEBUG_PREFERRED) { 16780 Slog.i(TAG, "Replacing with same preferred activity " 16781 + cur.mPref.mShortComponent + " for user " 16782 + userId + ":"); 16783 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16784 } 16785 return; 16786 } 16787 } 16788 16789 if (existing != null) { 16790 if (DEBUG_PREFERRED) { 16791 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16792 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16793 } 16794 for (int i = 0; i < existing.size(); i++) { 16795 PreferredActivity pa = existing.get(i); 16796 if (DEBUG_PREFERRED) { 16797 Slog.i(TAG, "Removing existing preferred activity " 16798 + pa.mPref.mComponent + ":"); 16799 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16800 } 16801 pir.removeFilter(pa); 16802 } 16803 } 16804 } 16805 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16806 "Replacing preferred"); 16807 } 16808 } 16809 16810 @Override 16811 public void clearPackagePreferredActivities(String packageName) { 16812 final int uid = Binder.getCallingUid(); 16813 // writer 16814 synchronized (mPackages) { 16815 PackageParser.Package pkg = mPackages.get(packageName); 16816 if (pkg == null || pkg.applicationInfo.uid != uid) { 16817 if (mContext.checkCallingOrSelfPermission( 16818 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16819 != PackageManager.PERMISSION_GRANTED) { 16820 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16821 < Build.VERSION_CODES.FROYO) { 16822 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16823 + Binder.getCallingUid()); 16824 return; 16825 } 16826 mContext.enforceCallingOrSelfPermission( 16827 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16828 } 16829 } 16830 16831 int user = UserHandle.getCallingUserId(); 16832 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16833 scheduleWritePackageRestrictionsLocked(user); 16834 } 16835 } 16836 } 16837 16838 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16839 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16840 ArrayList<PreferredActivity> removed = null; 16841 boolean changed = false; 16842 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16843 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16844 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16845 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16846 continue; 16847 } 16848 Iterator<PreferredActivity> it = pir.filterIterator(); 16849 while (it.hasNext()) { 16850 PreferredActivity pa = it.next(); 16851 // Mark entry for removal only if it matches the package name 16852 // and the entry is of type "always". 16853 if (packageName == null || 16854 (pa.mPref.mComponent.getPackageName().equals(packageName) 16855 && pa.mPref.mAlways)) { 16856 if (removed == null) { 16857 removed = new ArrayList<PreferredActivity>(); 16858 } 16859 removed.add(pa); 16860 } 16861 } 16862 if (removed != null) { 16863 for (int j=0; j<removed.size(); j++) { 16864 PreferredActivity pa = removed.get(j); 16865 pir.removeFilter(pa); 16866 } 16867 changed = true; 16868 } 16869 } 16870 if (changed) { 16871 postPreferredActivityChangedBroadcast(userId); 16872 } 16873 return changed; 16874 } 16875 16876 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16877 private void clearIntentFilterVerificationsLPw(int userId) { 16878 final int packageCount = mPackages.size(); 16879 for (int i = 0; i < packageCount; i++) { 16880 PackageParser.Package pkg = mPackages.valueAt(i); 16881 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16882 } 16883 } 16884 16885 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16886 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16887 if (userId == UserHandle.USER_ALL) { 16888 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16889 sUserManager.getUserIds())) { 16890 for (int oneUserId : sUserManager.getUserIds()) { 16891 scheduleWritePackageRestrictionsLocked(oneUserId); 16892 } 16893 } 16894 } else { 16895 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16896 scheduleWritePackageRestrictionsLocked(userId); 16897 } 16898 } 16899 } 16900 16901 void clearDefaultBrowserIfNeeded(String packageName) { 16902 for (int oneUserId : sUserManager.getUserIds()) { 16903 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16904 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16905 if (packageName.equals(defaultBrowserPackageName)) { 16906 setDefaultBrowserPackageName(null, oneUserId); 16907 } 16908 } 16909 } 16910 16911 @Override 16912 public void resetApplicationPreferences(int userId) { 16913 mContext.enforceCallingOrSelfPermission( 16914 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16915 final long identity = Binder.clearCallingIdentity(); 16916 // writer 16917 try { 16918 synchronized (mPackages) { 16919 clearPackagePreferredActivitiesLPw(null, userId); 16920 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16921 // TODO: We have to reset the default SMS and Phone. This requires 16922 // significant refactoring to keep all default apps in the package 16923 // manager (cleaner but more work) or have the services provide 16924 // callbacks to the package manager to request a default app reset. 16925 applyFactoryDefaultBrowserLPw(userId); 16926 clearIntentFilterVerificationsLPw(userId); 16927 primeDomainVerificationsLPw(userId); 16928 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16929 scheduleWritePackageRestrictionsLocked(userId); 16930 } 16931 resetNetworkPolicies(userId); 16932 } finally { 16933 Binder.restoreCallingIdentity(identity); 16934 } 16935 } 16936 16937 @Override 16938 public int getPreferredActivities(List<IntentFilter> outFilters, 16939 List<ComponentName> outActivities, String packageName) { 16940 16941 int num = 0; 16942 final int userId = UserHandle.getCallingUserId(); 16943 // reader 16944 synchronized (mPackages) { 16945 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16946 if (pir != null) { 16947 final Iterator<PreferredActivity> it = pir.filterIterator(); 16948 while (it.hasNext()) { 16949 final PreferredActivity pa = it.next(); 16950 if (packageName == null 16951 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16952 && pa.mPref.mAlways)) { 16953 if (outFilters != null) { 16954 outFilters.add(new IntentFilter(pa)); 16955 } 16956 if (outActivities != null) { 16957 outActivities.add(pa.mPref.mComponent); 16958 } 16959 } 16960 } 16961 } 16962 } 16963 16964 return num; 16965 } 16966 16967 @Override 16968 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16969 int userId) { 16970 int callingUid = Binder.getCallingUid(); 16971 if (callingUid != Process.SYSTEM_UID) { 16972 throw new SecurityException( 16973 "addPersistentPreferredActivity can only be run by the system"); 16974 } 16975 if (filter.countActions() == 0) { 16976 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16977 return; 16978 } 16979 synchronized (mPackages) { 16980 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16981 ":"); 16982 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16983 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16984 new PersistentPreferredActivity(filter, activity)); 16985 scheduleWritePackageRestrictionsLocked(userId); 16986 postPreferredActivityChangedBroadcast(userId); 16987 } 16988 } 16989 16990 @Override 16991 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16992 int callingUid = Binder.getCallingUid(); 16993 if (callingUid != Process.SYSTEM_UID) { 16994 throw new SecurityException( 16995 "clearPackagePersistentPreferredActivities can only be run by the system"); 16996 } 16997 ArrayList<PersistentPreferredActivity> removed = null; 16998 boolean changed = false; 16999 synchronized (mPackages) { 17000 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17001 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17002 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17003 .valueAt(i); 17004 if (userId != thisUserId) { 17005 continue; 17006 } 17007 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17008 while (it.hasNext()) { 17009 PersistentPreferredActivity ppa = it.next(); 17010 // Mark entry for removal only if it matches the package name. 17011 if (ppa.mComponent.getPackageName().equals(packageName)) { 17012 if (removed == null) { 17013 removed = new ArrayList<PersistentPreferredActivity>(); 17014 } 17015 removed.add(ppa); 17016 } 17017 } 17018 if (removed != null) { 17019 for (int j=0; j<removed.size(); j++) { 17020 PersistentPreferredActivity ppa = removed.get(j); 17021 ppir.removeFilter(ppa); 17022 } 17023 changed = true; 17024 } 17025 } 17026 17027 if (changed) { 17028 scheduleWritePackageRestrictionsLocked(userId); 17029 postPreferredActivityChangedBroadcast(userId); 17030 } 17031 } 17032 } 17033 17034 /** 17035 * Common machinery for picking apart a restored XML blob and passing 17036 * it to a caller-supplied functor to be applied to the running system. 17037 */ 17038 private void restoreFromXml(XmlPullParser parser, int userId, 17039 String expectedStartTag, BlobXmlRestorer functor) 17040 throws IOException, XmlPullParserException { 17041 int type; 17042 while ((type = parser.next()) != XmlPullParser.START_TAG 17043 && type != XmlPullParser.END_DOCUMENT) { 17044 } 17045 if (type != XmlPullParser.START_TAG) { 17046 // oops didn't find a start tag?! 17047 if (DEBUG_BACKUP) { 17048 Slog.e(TAG, "Didn't find start tag during restore"); 17049 } 17050 return; 17051 } 17052Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17053 // this is supposed to be TAG_PREFERRED_BACKUP 17054 if (!expectedStartTag.equals(parser.getName())) { 17055 if (DEBUG_BACKUP) { 17056 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17057 } 17058 return; 17059 } 17060 17061 // skip interfering stuff, then we're aligned with the backing implementation 17062 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17063Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17064 functor.apply(parser, userId); 17065 } 17066 17067 private interface BlobXmlRestorer { 17068 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17069 } 17070 17071 /** 17072 * Non-Binder method, support for the backup/restore mechanism: write the 17073 * full set of preferred activities in its canonical XML format. Returns the 17074 * XML output as a byte array, or null if there is none. 17075 */ 17076 @Override 17077 public byte[] getPreferredActivityBackup(int userId) { 17078 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17079 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17080 } 17081 17082 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17083 try { 17084 final XmlSerializer serializer = new FastXmlSerializer(); 17085 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17086 serializer.startDocument(null, true); 17087 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17088 17089 synchronized (mPackages) { 17090 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17091 } 17092 17093 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17094 serializer.endDocument(); 17095 serializer.flush(); 17096 } catch (Exception e) { 17097 if (DEBUG_BACKUP) { 17098 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17099 } 17100 return null; 17101 } 17102 17103 return dataStream.toByteArray(); 17104 } 17105 17106 @Override 17107 public void restorePreferredActivities(byte[] backup, int userId) { 17108 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17109 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17110 } 17111 17112 try { 17113 final XmlPullParser parser = Xml.newPullParser(); 17114 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17115 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17116 new BlobXmlRestorer() { 17117 @Override 17118 public void apply(XmlPullParser parser, int userId) 17119 throws XmlPullParserException, IOException { 17120 synchronized (mPackages) { 17121 mSettings.readPreferredActivitiesLPw(parser, userId); 17122 } 17123 } 17124 } ); 17125 } catch (Exception e) { 17126 if (DEBUG_BACKUP) { 17127 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17128 } 17129 } 17130 } 17131 17132 /** 17133 * Non-Binder method, support for the backup/restore mechanism: write the 17134 * default browser (etc) settings in its canonical XML format. Returns the default 17135 * browser XML representation as a byte array, or null if there is none. 17136 */ 17137 @Override 17138 public byte[] getDefaultAppsBackup(int userId) { 17139 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17140 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17141 } 17142 17143 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17144 try { 17145 final XmlSerializer serializer = new FastXmlSerializer(); 17146 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17147 serializer.startDocument(null, true); 17148 serializer.startTag(null, TAG_DEFAULT_APPS); 17149 17150 synchronized (mPackages) { 17151 mSettings.writeDefaultAppsLPr(serializer, userId); 17152 } 17153 17154 serializer.endTag(null, TAG_DEFAULT_APPS); 17155 serializer.endDocument(); 17156 serializer.flush(); 17157 } catch (Exception e) { 17158 if (DEBUG_BACKUP) { 17159 Slog.e(TAG, "Unable to write default apps for backup", e); 17160 } 17161 return null; 17162 } 17163 17164 return dataStream.toByteArray(); 17165 } 17166 17167 @Override 17168 public void restoreDefaultApps(byte[] backup, int userId) { 17169 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17170 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17171 } 17172 17173 try { 17174 final XmlPullParser parser = Xml.newPullParser(); 17175 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17176 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17177 new BlobXmlRestorer() { 17178 @Override 17179 public void apply(XmlPullParser parser, int userId) 17180 throws XmlPullParserException, IOException { 17181 synchronized (mPackages) { 17182 mSettings.readDefaultAppsLPw(parser, userId); 17183 } 17184 } 17185 } ); 17186 } catch (Exception e) { 17187 if (DEBUG_BACKUP) { 17188 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17189 } 17190 } 17191 } 17192 17193 @Override 17194 public byte[] getIntentFilterVerificationBackup(int userId) { 17195 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17196 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17197 } 17198 17199 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17200 try { 17201 final XmlSerializer serializer = new FastXmlSerializer(); 17202 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17203 serializer.startDocument(null, true); 17204 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17205 17206 synchronized (mPackages) { 17207 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17208 } 17209 17210 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17211 serializer.endDocument(); 17212 serializer.flush(); 17213 } catch (Exception e) { 17214 if (DEBUG_BACKUP) { 17215 Slog.e(TAG, "Unable to write default apps for backup", e); 17216 } 17217 return null; 17218 } 17219 17220 return dataStream.toByteArray(); 17221 } 17222 17223 @Override 17224 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17225 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17226 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17227 } 17228 17229 try { 17230 final XmlPullParser parser = Xml.newPullParser(); 17231 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17232 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17233 new BlobXmlRestorer() { 17234 @Override 17235 public void apply(XmlPullParser parser, int userId) 17236 throws XmlPullParserException, IOException { 17237 synchronized (mPackages) { 17238 mSettings.readAllDomainVerificationsLPr(parser, userId); 17239 mSettings.writeLPr(); 17240 } 17241 } 17242 } ); 17243 } catch (Exception e) { 17244 if (DEBUG_BACKUP) { 17245 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17246 } 17247 } 17248 } 17249 17250 @Override 17251 public byte[] getPermissionGrantBackup(int userId) { 17252 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17253 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17254 } 17255 17256 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17257 try { 17258 final XmlSerializer serializer = new FastXmlSerializer(); 17259 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17260 serializer.startDocument(null, true); 17261 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17262 17263 synchronized (mPackages) { 17264 serializeRuntimePermissionGrantsLPr(serializer, userId); 17265 } 17266 17267 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17268 serializer.endDocument(); 17269 serializer.flush(); 17270 } catch (Exception e) { 17271 if (DEBUG_BACKUP) { 17272 Slog.e(TAG, "Unable to write default apps for backup", e); 17273 } 17274 return null; 17275 } 17276 17277 return dataStream.toByteArray(); 17278 } 17279 17280 @Override 17281 public void restorePermissionGrants(byte[] backup, int userId) { 17282 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17283 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17284 } 17285 17286 try { 17287 final XmlPullParser parser = Xml.newPullParser(); 17288 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17289 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17290 new BlobXmlRestorer() { 17291 @Override 17292 public void apply(XmlPullParser parser, int userId) 17293 throws XmlPullParserException, IOException { 17294 synchronized (mPackages) { 17295 processRestoredPermissionGrantsLPr(parser, userId); 17296 } 17297 } 17298 } ); 17299 } catch (Exception e) { 17300 if (DEBUG_BACKUP) { 17301 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17302 } 17303 } 17304 } 17305 17306 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17307 throws IOException { 17308 serializer.startTag(null, TAG_ALL_GRANTS); 17309 17310 final int N = mSettings.mPackages.size(); 17311 for (int i = 0; i < N; i++) { 17312 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17313 boolean pkgGrantsKnown = false; 17314 17315 PermissionsState packagePerms = ps.getPermissionsState(); 17316 17317 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17318 final int grantFlags = state.getFlags(); 17319 // only look at grants that are not system/policy fixed 17320 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17321 final boolean isGranted = state.isGranted(); 17322 // And only back up the user-twiddled state bits 17323 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17324 final String packageName = mSettings.mPackages.keyAt(i); 17325 if (!pkgGrantsKnown) { 17326 serializer.startTag(null, TAG_GRANT); 17327 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17328 pkgGrantsKnown = true; 17329 } 17330 17331 final boolean userSet = 17332 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17333 final boolean userFixed = 17334 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17335 final boolean revoke = 17336 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17337 17338 serializer.startTag(null, TAG_PERMISSION); 17339 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17340 if (isGranted) { 17341 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17342 } 17343 if (userSet) { 17344 serializer.attribute(null, ATTR_USER_SET, "true"); 17345 } 17346 if (userFixed) { 17347 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17348 } 17349 if (revoke) { 17350 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17351 } 17352 serializer.endTag(null, TAG_PERMISSION); 17353 } 17354 } 17355 } 17356 17357 if (pkgGrantsKnown) { 17358 serializer.endTag(null, TAG_GRANT); 17359 } 17360 } 17361 17362 serializer.endTag(null, TAG_ALL_GRANTS); 17363 } 17364 17365 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17366 throws XmlPullParserException, IOException { 17367 String pkgName = null; 17368 int outerDepth = parser.getDepth(); 17369 int type; 17370 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17371 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17372 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17373 continue; 17374 } 17375 17376 final String tagName = parser.getName(); 17377 if (tagName.equals(TAG_GRANT)) { 17378 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17379 if (DEBUG_BACKUP) { 17380 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17381 } 17382 } else if (tagName.equals(TAG_PERMISSION)) { 17383 17384 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17385 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17386 17387 int newFlagSet = 0; 17388 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17389 newFlagSet |= FLAG_PERMISSION_USER_SET; 17390 } 17391 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17392 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17393 } 17394 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17395 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17396 } 17397 if (DEBUG_BACKUP) { 17398 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17399 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17400 } 17401 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17402 if (ps != null) { 17403 // Already installed so we apply the grant immediately 17404 if (DEBUG_BACKUP) { 17405 Slog.v(TAG, " + already installed; applying"); 17406 } 17407 PermissionsState perms = ps.getPermissionsState(); 17408 BasePermission bp = mSettings.mPermissions.get(permName); 17409 if (bp != null) { 17410 if (isGranted) { 17411 perms.grantRuntimePermission(bp, userId); 17412 } 17413 if (newFlagSet != 0) { 17414 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17415 } 17416 } 17417 } else { 17418 // Need to wait for post-restore install to apply the grant 17419 if (DEBUG_BACKUP) { 17420 Slog.v(TAG, " - not yet installed; saving for later"); 17421 } 17422 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17423 isGranted, newFlagSet, userId); 17424 } 17425 } else { 17426 PackageManagerService.reportSettingsProblem(Log.WARN, 17427 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17428 XmlUtils.skipCurrentTag(parser); 17429 } 17430 } 17431 17432 scheduleWriteSettingsLocked(); 17433 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17434 } 17435 17436 @Override 17437 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17438 int sourceUserId, int targetUserId, int flags) { 17439 mContext.enforceCallingOrSelfPermission( 17440 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17441 int callingUid = Binder.getCallingUid(); 17442 enforceOwnerRights(ownerPackage, callingUid); 17443 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17444 if (intentFilter.countActions() == 0) { 17445 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17446 return; 17447 } 17448 synchronized (mPackages) { 17449 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17450 ownerPackage, targetUserId, flags); 17451 CrossProfileIntentResolver resolver = 17452 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17453 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17454 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17455 if (existing != null) { 17456 int size = existing.size(); 17457 for (int i = 0; i < size; i++) { 17458 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17459 return; 17460 } 17461 } 17462 } 17463 resolver.addFilter(newFilter); 17464 scheduleWritePackageRestrictionsLocked(sourceUserId); 17465 } 17466 } 17467 17468 @Override 17469 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17470 mContext.enforceCallingOrSelfPermission( 17471 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17472 int callingUid = Binder.getCallingUid(); 17473 enforceOwnerRights(ownerPackage, callingUid); 17474 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17475 synchronized (mPackages) { 17476 CrossProfileIntentResolver resolver = 17477 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17478 ArraySet<CrossProfileIntentFilter> set = 17479 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17480 for (CrossProfileIntentFilter filter : set) { 17481 if (filter.getOwnerPackage().equals(ownerPackage)) { 17482 resolver.removeFilter(filter); 17483 } 17484 } 17485 scheduleWritePackageRestrictionsLocked(sourceUserId); 17486 } 17487 } 17488 17489 // Enforcing that callingUid is owning pkg on userId 17490 private void enforceOwnerRights(String pkg, int callingUid) { 17491 // The system owns everything. 17492 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17493 return; 17494 } 17495 int callingUserId = UserHandle.getUserId(callingUid); 17496 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17497 if (pi == null) { 17498 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17499 + callingUserId); 17500 } 17501 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17502 throw new SecurityException("Calling uid " + callingUid 17503 + " does not own package " + pkg); 17504 } 17505 } 17506 17507 @Override 17508 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17509 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17510 } 17511 17512 private Intent getHomeIntent() { 17513 Intent intent = new Intent(Intent.ACTION_MAIN); 17514 intent.addCategory(Intent.CATEGORY_HOME); 17515 intent.addCategory(Intent.CATEGORY_DEFAULT); 17516 return intent; 17517 } 17518 17519 private IntentFilter getHomeFilter() { 17520 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17521 filter.addCategory(Intent.CATEGORY_HOME); 17522 filter.addCategory(Intent.CATEGORY_DEFAULT); 17523 return filter; 17524 } 17525 17526 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17527 int userId) { 17528 Intent intent = getHomeIntent(); 17529 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17530 PackageManager.GET_META_DATA, userId); 17531 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17532 true, false, false, userId); 17533 17534 allHomeCandidates.clear(); 17535 if (list != null) { 17536 for (ResolveInfo ri : list) { 17537 allHomeCandidates.add(ri); 17538 } 17539 } 17540 return (preferred == null || preferred.activityInfo == null) 17541 ? null 17542 : new ComponentName(preferred.activityInfo.packageName, 17543 preferred.activityInfo.name); 17544 } 17545 17546 @Override 17547 public void setHomeActivity(ComponentName comp, int userId) { 17548 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17549 getHomeActivitiesAsUser(homeActivities, userId); 17550 17551 boolean found = false; 17552 17553 final int size = homeActivities.size(); 17554 final ComponentName[] set = new ComponentName[size]; 17555 for (int i = 0; i < size; i++) { 17556 final ResolveInfo candidate = homeActivities.get(i); 17557 final ActivityInfo info = candidate.activityInfo; 17558 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17559 set[i] = activityName; 17560 if (!found && activityName.equals(comp)) { 17561 found = true; 17562 } 17563 } 17564 if (!found) { 17565 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17566 + userId); 17567 } 17568 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17569 set, comp, userId); 17570 } 17571 17572 private @Nullable String getSetupWizardPackageName() { 17573 final Intent intent = new Intent(Intent.ACTION_MAIN); 17574 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17575 17576 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17577 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17578 | MATCH_DISABLED_COMPONENTS, 17579 UserHandle.myUserId()); 17580 if (matches.size() == 1) { 17581 return matches.get(0).getComponentInfo().packageName; 17582 } else { 17583 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17584 + ": matches=" + matches); 17585 return null; 17586 } 17587 } 17588 17589 @Override 17590 public void setApplicationEnabledSetting(String appPackageName, 17591 int newState, int flags, int userId, String callingPackage) { 17592 if (!sUserManager.exists(userId)) return; 17593 if (callingPackage == null) { 17594 callingPackage = Integer.toString(Binder.getCallingUid()); 17595 } 17596 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17597 } 17598 17599 @Override 17600 public void setComponentEnabledSetting(ComponentName componentName, 17601 int newState, int flags, int userId) { 17602 if (!sUserManager.exists(userId)) return; 17603 setEnabledSetting(componentName.getPackageName(), 17604 componentName.getClassName(), newState, flags, userId, null); 17605 } 17606 17607 private void setEnabledSetting(final String packageName, String className, int newState, 17608 final int flags, int userId, String callingPackage) { 17609 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17610 || newState == COMPONENT_ENABLED_STATE_ENABLED 17611 || newState == COMPONENT_ENABLED_STATE_DISABLED 17612 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17613 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17614 throw new IllegalArgumentException("Invalid new component state: " 17615 + newState); 17616 } 17617 PackageSetting pkgSetting; 17618 final int uid = Binder.getCallingUid(); 17619 final int permission; 17620 if (uid == Process.SYSTEM_UID) { 17621 permission = PackageManager.PERMISSION_GRANTED; 17622 } else { 17623 permission = mContext.checkCallingOrSelfPermission( 17624 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17625 } 17626 enforceCrossUserPermission(uid, userId, 17627 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17628 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17629 boolean sendNow = false; 17630 boolean isApp = (className == null); 17631 String componentName = isApp ? packageName : className; 17632 int packageUid = -1; 17633 ArrayList<String> components; 17634 17635 // writer 17636 synchronized (mPackages) { 17637 pkgSetting = mSettings.mPackages.get(packageName); 17638 if (pkgSetting == null) { 17639 if (className == null) { 17640 throw new IllegalArgumentException("Unknown package: " + packageName); 17641 } 17642 throw new IllegalArgumentException( 17643 "Unknown component: " + packageName + "/" + className); 17644 } 17645 } 17646 17647 // Limit who can change which apps 17648 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17649 // Don't allow apps that don't have permission to modify other apps 17650 if (!allowedByPermission) { 17651 throw new SecurityException( 17652 "Permission Denial: attempt to change component state from pid=" 17653 + Binder.getCallingPid() 17654 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17655 } 17656 // Don't allow changing protected packages. 17657 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17658 throw new SecurityException("Cannot disable a protected package: " + packageName); 17659 } 17660 } 17661 17662 synchronized (mPackages) { 17663 if (uid == Process.SHELL_UID) { 17664 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17665 int oldState = pkgSetting.getEnabled(userId); 17666 if (className == null 17667 && 17668 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17669 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17670 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17671 && 17672 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17673 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17674 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17675 // ok 17676 } else { 17677 throw new SecurityException( 17678 "Shell cannot change component state for " + packageName + "/" 17679 + className + " to " + newState); 17680 } 17681 } 17682 if (className == null) { 17683 // We're dealing with an application/package level state change 17684 if (pkgSetting.getEnabled(userId) == newState) { 17685 // Nothing to do 17686 return; 17687 } 17688 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17689 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17690 // Don't care about who enables an app. 17691 callingPackage = null; 17692 } 17693 pkgSetting.setEnabled(newState, userId, callingPackage); 17694 // pkgSetting.pkg.mSetEnabled = newState; 17695 } else { 17696 // We're dealing with a component level state change 17697 // First, verify that this is a valid class name. 17698 PackageParser.Package pkg = pkgSetting.pkg; 17699 if (pkg == null || !pkg.hasComponentClassName(className)) { 17700 if (pkg != null && 17701 pkg.applicationInfo.targetSdkVersion >= 17702 Build.VERSION_CODES.JELLY_BEAN) { 17703 throw new IllegalArgumentException("Component class " + className 17704 + " does not exist in " + packageName); 17705 } else { 17706 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17707 + className + " does not exist in " + packageName); 17708 } 17709 } 17710 switch (newState) { 17711 case COMPONENT_ENABLED_STATE_ENABLED: 17712 if (!pkgSetting.enableComponentLPw(className, userId)) { 17713 return; 17714 } 17715 break; 17716 case COMPONENT_ENABLED_STATE_DISABLED: 17717 if (!pkgSetting.disableComponentLPw(className, userId)) { 17718 return; 17719 } 17720 break; 17721 case COMPONENT_ENABLED_STATE_DEFAULT: 17722 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17723 return; 17724 } 17725 break; 17726 default: 17727 Slog.e(TAG, "Invalid new component state: " + newState); 17728 return; 17729 } 17730 } 17731 scheduleWritePackageRestrictionsLocked(userId); 17732 components = mPendingBroadcasts.get(userId, packageName); 17733 final boolean newPackage = components == null; 17734 if (newPackage) { 17735 components = new ArrayList<String>(); 17736 } 17737 if (!components.contains(componentName)) { 17738 components.add(componentName); 17739 } 17740 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17741 sendNow = true; 17742 // Purge entry from pending broadcast list if another one exists already 17743 // since we are sending one right away. 17744 mPendingBroadcasts.remove(userId, packageName); 17745 } else { 17746 if (newPackage) { 17747 mPendingBroadcasts.put(userId, packageName, components); 17748 } 17749 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17750 // Schedule a message 17751 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17752 } 17753 } 17754 } 17755 17756 long callingId = Binder.clearCallingIdentity(); 17757 try { 17758 if (sendNow) { 17759 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17760 sendPackageChangedBroadcast(packageName, 17761 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17762 } 17763 } finally { 17764 Binder.restoreCallingIdentity(callingId); 17765 } 17766 } 17767 17768 @Override 17769 public void flushPackageRestrictionsAsUser(int userId) { 17770 if (!sUserManager.exists(userId)) { 17771 return; 17772 } 17773 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17774 false /* checkShell */, "flushPackageRestrictions"); 17775 synchronized (mPackages) { 17776 mSettings.writePackageRestrictionsLPr(userId); 17777 mDirtyUsers.remove(userId); 17778 if (mDirtyUsers.isEmpty()) { 17779 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17780 } 17781 } 17782 } 17783 17784 private void sendPackageChangedBroadcast(String packageName, 17785 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17786 if (DEBUG_INSTALL) 17787 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17788 + componentNames); 17789 Bundle extras = new Bundle(4); 17790 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17791 String nameList[] = new String[componentNames.size()]; 17792 componentNames.toArray(nameList); 17793 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17794 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17795 extras.putInt(Intent.EXTRA_UID, packageUid); 17796 // If this is not reporting a change of the overall package, then only send it 17797 // to registered receivers. We don't want to launch a swath of apps for every 17798 // little component state change. 17799 final int flags = !componentNames.contains(packageName) 17800 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17801 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17802 new int[] {UserHandle.getUserId(packageUid)}); 17803 } 17804 17805 @Override 17806 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17807 if (!sUserManager.exists(userId)) return; 17808 final int uid = Binder.getCallingUid(); 17809 final int permission = mContext.checkCallingOrSelfPermission( 17810 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17811 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17812 enforceCrossUserPermission(uid, userId, 17813 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17814 // writer 17815 synchronized (mPackages) { 17816 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17817 allowedByPermission, uid, userId)) { 17818 scheduleWritePackageRestrictionsLocked(userId); 17819 } 17820 } 17821 } 17822 17823 @Override 17824 public String getInstallerPackageName(String packageName) { 17825 // reader 17826 synchronized (mPackages) { 17827 return mSettings.getInstallerPackageNameLPr(packageName); 17828 } 17829 } 17830 17831 public boolean isOrphaned(String packageName) { 17832 // reader 17833 synchronized (mPackages) { 17834 return mSettings.isOrphaned(packageName); 17835 } 17836 } 17837 17838 @Override 17839 public int getApplicationEnabledSetting(String packageName, int userId) { 17840 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17841 int uid = Binder.getCallingUid(); 17842 enforceCrossUserPermission(uid, userId, 17843 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17844 // reader 17845 synchronized (mPackages) { 17846 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17847 } 17848 } 17849 17850 @Override 17851 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17852 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17853 int uid = Binder.getCallingUid(); 17854 enforceCrossUserPermission(uid, userId, 17855 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17856 // reader 17857 synchronized (mPackages) { 17858 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17859 } 17860 } 17861 17862 @Override 17863 public void enterSafeMode() { 17864 enforceSystemOrRoot("Only the system can request entering safe mode"); 17865 17866 if (!mSystemReady) { 17867 mSafeMode = true; 17868 } 17869 } 17870 17871 @Override 17872 public void systemReady() { 17873 mSystemReady = true; 17874 17875 // Read the compatibilty setting when the system is ready. 17876 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17877 mContext.getContentResolver(), 17878 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17879 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17880 if (DEBUG_SETTINGS) { 17881 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17882 } 17883 17884 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17885 17886 synchronized (mPackages) { 17887 // Verify that all of the preferred activity components actually 17888 // exist. It is possible for applications to be updated and at 17889 // that point remove a previously declared activity component that 17890 // had been set as a preferred activity. We try to clean this up 17891 // the next time we encounter that preferred activity, but it is 17892 // possible for the user flow to never be able to return to that 17893 // situation so here we do a sanity check to make sure we haven't 17894 // left any junk around. 17895 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17896 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17897 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17898 removed.clear(); 17899 for (PreferredActivity pa : pir.filterSet()) { 17900 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17901 removed.add(pa); 17902 } 17903 } 17904 if (removed.size() > 0) { 17905 for (int r=0; r<removed.size(); r++) { 17906 PreferredActivity pa = removed.get(r); 17907 Slog.w(TAG, "Removing dangling preferred activity: " 17908 + pa.mPref.mComponent); 17909 pir.removeFilter(pa); 17910 } 17911 mSettings.writePackageRestrictionsLPr( 17912 mSettings.mPreferredActivities.keyAt(i)); 17913 } 17914 } 17915 17916 for (int userId : UserManagerService.getInstance().getUserIds()) { 17917 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17918 grantPermissionsUserIds = ArrayUtils.appendInt( 17919 grantPermissionsUserIds, userId); 17920 } 17921 } 17922 } 17923 sUserManager.systemReady(); 17924 17925 // If we upgraded grant all default permissions before kicking off. 17926 for (int userId : grantPermissionsUserIds) { 17927 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17928 } 17929 17930 // Kick off any messages waiting for system ready 17931 if (mPostSystemReadyMessages != null) { 17932 for (Message msg : mPostSystemReadyMessages) { 17933 msg.sendToTarget(); 17934 } 17935 mPostSystemReadyMessages = null; 17936 } 17937 17938 // Watch for external volumes that come and go over time 17939 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17940 storage.registerListener(mStorageListener); 17941 17942 mInstallerService.systemReady(); 17943 mPackageDexOptimizer.systemReady(); 17944 17945 MountServiceInternal mountServiceInternal = LocalServices.getService( 17946 MountServiceInternal.class); 17947 mountServiceInternal.addExternalStoragePolicy( 17948 new MountServiceInternal.ExternalStorageMountPolicy() { 17949 @Override 17950 public int getMountMode(int uid, String packageName) { 17951 if (Process.isIsolated(uid)) { 17952 return Zygote.MOUNT_EXTERNAL_NONE; 17953 } 17954 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17955 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17956 } 17957 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17958 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17959 } 17960 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17961 return Zygote.MOUNT_EXTERNAL_READ; 17962 } 17963 return Zygote.MOUNT_EXTERNAL_WRITE; 17964 } 17965 17966 @Override 17967 public boolean hasExternalStorage(int uid, String packageName) { 17968 return true; 17969 } 17970 }); 17971 17972 // Now that we're mostly running, clean up stale users and apps 17973 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17974 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17975 } 17976 17977 @Override 17978 public boolean isSafeMode() { 17979 return mSafeMode; 17980 } 17981 17982 @Override 17983 public boolean hasSystemUidErrors() { 17984 return mHasSystemUidErrors; 17985 } 17986 17987 static String arrayToString(int[] array) { 17988 StringBuffer buf = new StringBuffer(128); 17989 buf.append('['); 17990 if (array != null) { 17991 for (int i=0; i<array.length; i++) { 17992 if (i > 0) buf.append(", "); 17993 buf.append(array[i]); 17994 } 17995 } 17996 buf.append(']'); 17997 return buf.toString(); 17998 } 17999 18000 static class DumpState { 18001 public static final int DUMP_LIBS = 1 << 0; 18002 public static final int DUMP_FEATURES = 1 << 1; 18003 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18004 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18005 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18006 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18007 public static final int DUMP_PERMISSIONS = 1 << 6; 18008 public static final int DUMP_PACKAGES = 1 << 7; 18009 public static final int DUMP_SHARED_USERS = 1 << 8; 18010 public static final int DUMP_MESSAGES = 1 << 9; 18011 public static final int DUMP_PROVIDERS = 1 << 10; 18012 public static final int DUMP_VERIFIERS = 1 << 11; 18013 public static final int DUMP_PREFERRED = 1 << 12; 18014 public static final int DUMP_PREFERRED_XML = 1 << 13; 18015 public static final int DUMP_KEYSETS = 1 << 14; 18016 public static final int DUMP_VERSION = 1 << 15; 18017 public static final int DUMP_INSTALLS = 1 << 16; 18018 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18019 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18020 public static final int DUMP_FROZEN = 1 << 19; 18021 public static final int DUMP_DEXOPT = 1 << 20; 18022 public static final int DUMP_COMPILER_STATS = 1 << 21; 18023 18024 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18025 18026 private int mTypes; 18027 18028 private int mOptions; 18029 18030 private boolean mTitlePrinted; 18031 18032 private SharedUserSetting mSharedUser; 18033 18034 public boolean isDumping(int type) { 18035 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18036 return true; 18037 } 18038 18039 return (mTypes & type) != 0; 18040 } 18041 18042 public void setDump(int type) { 18043 mTypes |= type; 18044 } 18045 18046 public boolean isOptionEnabled(int option) { 18047 return (mOptions & option) != 0; 18048 } 18049 18050 public void setOptionEnabled(int option) { 18051 mOptions |= option; 18052 } 18053 18054 public boolean onTitlePrinted() { 18055 final boolean printed = mTitlePrinted; 18056 mTitlePrinted = true; 18057 return printed; 18058 } 18059 18060 public boolean getTitlePrinted() { 18061 return mTitlePrinted; 18062 } 18063 18064 public void setTitlePrinted(boolean enabled) { 18065 mTitlePrinted = enabled; 18066 } 18067 18068 public SharedUserSetting getSharedUser() { 18069 return mSharedUser; 18070 } 18071 18072 public void setSharedUser(SharedUserSetting user) { 18073 mSharedUser = user; 18074 } 18075 } 18076 18077 @Override 18078 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18079 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18080 (new PackageManagerShellCommand(this)).exec( 18081 this, in, out, err, args, resultReceiver); 18082 } 18083 18084 @Override 18085 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18086 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18087 != PackageManager.PERMISSION_GRANTED) { 18088 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18089 + Binder.getCallingPid() 18090 + ", uid=" + Binder.getCallingUid() 18091 + " without permission " 18092 + android.Manifest.permission.DUMP); 18093 return; 18094 } 18095 18096 DumpState dumpState = new DumpState(); 18097 boolean fullPreferred = false; 18098 boolean checkin = false; 18099 18100 String packageName = null; 18101 ArraySet<String> permissionNames = null; 18102 18103 int opti = 0; 18104 while (opti < args.length) { 18105 String opt = args[opti]; 18106 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18107 break; 18108 } 18109 opti++; 18110 18111 if ("-a".equals(opt)) { 18112 // Right now we only know how to print all. 18113 } else if ("-h".equals(opt)) { 18114 pw.println("Package manager dump options:"); 18115 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18116 pw.println(" --checkin: dump for a checkin"); 18117 pw.println(" -f: print details of intent filters"); 18118 pw.println(" -h: print this help"); 18119 pw.println(" cmd may be one of:"); 18120 pw.println(" l[ibraries]: list known shared libraries"); 18121 pw.println(" f[eatures]: list device features"); 18122 pw.println(" k[eysets]: print known keysets"); 18123 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18124 pw.println(" perm[issions]: dump permissions"); 18125 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18126 pw.println(" pref[erred]: print preferred package settings"); 18127 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18128 pw.println(" prov[iders]: dump content providers"); 18129 pw.println(" p[ackages]: dump installed packages"); 18130 pw.println(" s[hared-users]: dump shared user IDs"); 18131 pw.println(" m[essages]: print collected runtime messages"); 18132 pw.println(" v[erifiers]: print package verifier info"); 18133 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18134 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18135 pw.println(" version: print database version info"); 18136 pw.println(" write: write current settings now"); 18137 pw.println(" installs: details about install sessions"); 18138 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18139 pw.println(" dexopt: dump dexopt state"); 18140 pw.println(" compiler-stats: dump compiler statistics"); 18141 pw.println(" <package.name>: info about given package"); 18142 return; 18143 } else if ("--checkin".equals(opt)) { 18144 checkin = true; 18145 } else if ("-f".equals(opt)) { 18146 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18147 } else { 18148 pw.println("Unknown argument: " + opt + "; use -h for help"); 18149 } 18150 } 18151 18152 // Is the caller requesting to dump a particular piece of data? 18153 if (opti < args.length) { 18154 String cmd = args[opti]; 18155 opti++; 18156 // Is this a package name? 18157 if ("android".equals(cmd) || cmd.contains(".")) { 18158 packageName = cmd; 18159 // When dumping a single package, we always dump all of its 18160 // filter information since the amount of data will be reasonable. 18161 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18162 } else if ("check-permission".equals(cmd)) { 18163 if (opti >= args.length) { 18164 pw.println("Error: check-permission missing permission argument"); 18165 return; 18166 } 18167 String perm = args[opti]; 18168 opti++; 18169 if (opti >= args.length) { 18170 pw.println("Error: check-permission missing package argument"); 18171 return; 18172 } 18173 String pkg = args[opti]; 18174 opti++; 18175 int user = UserHandle.getUserId(Binder.getCallingUid()); 18176 if (opti < args.length) { 18177 try { 18178 user = Integer.parseInt(args[opti]); 18179 } catch (NumberFormatException e) { 18180 pw.println("Error: check-permission user argument is not a number: " 18181 + args[opti]); 18182 return; 18183 } 18184 } 18185 pw.println(checkPermission(perm, pkg, user)); 18186 return; 18187 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18188 dumpState.setDump(DumpState.DUMP_LIBS); 18189 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18190 dumpState.setDump(DumpState.DUMP_FEATURES); 18191 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18192 if (opti >= args.length) { 18193 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18194 | DumpState.DUMP_SERVICE_RESOLVERS 18195 | DumpState.DUMP_RECEIVER_RESOLVERS 18196 | DumpState.DUMP_CONTENT_RESOLVERS); 18197 } else { 18198 while (opti < args.length) { 18199 String name = args[opti]; 18200 if ("a".equals(name) || "activity".equals(name)) { 18201 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18202 } else if ("s".equals(name) || "service".equals(name)) { 18203 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18204 } else if ("r".equals(name) || "receiver".equals(name)) { 18205 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18206 } else if ("c".equals(name) || "content".equals(name)) { 18207 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18208 } else { 18209 pw.println("Error: unknown resolver table type: " + name); 18210 return; 18211 } 18212 opti++; 18213 } 18214 } 18215 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18216 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18217 } else if ("permission".equals(cmd)) { 18218 if (opti >= args.length) { 18219 pw.println("Error: permission requires permission name"); 18220 return; 18221 } 18222 permissionNames = new ArraySet<>(); 18223 while (opti < args.length) { 18224 permissionNames.add(args[opti]); 18225 opti++; 18226 } 18227 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18228 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18229 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18230 dumpState.setDump(DumpState.DUMP_PREFERRED); 18231 } else if ("preferred-xml".equals(cmd)) { 18232 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18233 if (opti < args.length && "--full".equals(args[opti])) { 18234 fullPreferred = true; 18235 opti++; 18236 } 18237 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18238 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18239 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18240 dumpState.setDump(DumpState.DUMP_PACKAGES); 18241 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18242 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18243 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18244 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18245 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18246 dumpState.setDump(DumpState.DUMP_MESSAGES); 18247 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18248 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18249 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18250 || "intent-filter-verifiers".equals(cmd)) { 18251 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18252 } else if ("version".equals(cmd)) { 18253 dumpState.setDump(DumpState.DUMP_VERSION); 18254 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18255 dumpState.setDump(DumpState.DUMP_KEYSETS); 18256 } else if ("installs".equals(cmd)) { 18257 dumpState.setDump(DumpState.DUMP_INSTALLS); 18258 } else if ("frozen".equals(cmd)) { 18259 dumpState.setDump(DumpState.DUMP_FROZEN); 18260 } else if ("dexopt".equals(cmd)) { 18261 dumpState.setDump(DumpState.DUMP_DEXOPT); 18262 } else if ("compiler-stats".equals(cmd)) { 18263 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18264 } else if ("write".equals(cmd)) { 18265 synchronized (mPackages) { 18266 mSettings.writeLPr(); 18267 pw.println("Settings written."); 18268 return; 18269 } 18270 } 18271 } 18272 18273 if (checkin) { 18274 pw.println("vers,1"); 18275 } 18276 18277 // reader 18278 synchronized (mPackages) { 18279 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18280 if (!checkin) { 18281 if (dumpState.onTitlePrinted()) 18282 pw.println(); 18283 pw.println("Database versions:"); 18284 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18285 } 18286 } 18287 18288 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18289 if (!checkin) { 18290 if (dumpState.onTitlePrinted()) 18291 pw.println(); 18292 pw.println("Verifiers:"); 18293 pw.print(" Required: "); 18294 pw.print(mRequiredVerifierPackage); 18295 pw.print(" (uid="); 18296 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18297 UserHandle.USER_SYSTEM)); 18298 pw.println(")"); 18299 } else if (mRequiredVerifierPackage != null) { 18300 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18301 pw.print(","); 18302 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18303 UserHandle.USER_SYSTEM)); 18304 } 18305 } 18306 18307 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18308 packageName == null) { 18309 if (mIntentFilterVerifierComponent != null) { 18310 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18311 if (!checkin) { 18312 if (dumpState.onTitlePrinted()) 18313 pw.println(); 18314 pw.println("Intent Filter Verifier:"); 18315 pw.print(" Using: "); 18316 pw.print(verifierPackageName); 18317 pw.print(" (uid="); 18318 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18319 UserHandle.USER_SYSTEM)); 18320 pw.println(")"); 18321 } else if (verifierPackageName != null) { 18322 pw.print("ifv,"); pw.print(verifierPackageName); 18323 pw.print(","); 18324 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18325 UserHandle.USER_SYSTEM)); 18326 } 18327 } else { 18328 pw.println(); 18329 pw.println("No Intent Filter Verifier available!"); 18330 } 18331 } 18332 18333 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18334 boolean printedHeader = false; 18335 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18336 while (it.hasNext()) { 18337 String name = it.next(); 18338 SharedLibraryEntry ent = mSharedLibraries.get(name); 18339 if (!checkin) { 18340 if (!printedHeader) { 18341 if (dumpState.onTitlePrinted()) 18342 pw.println(); 18343 pw.println("Libraries:"); 18344 printedHeader = true; 18345 } 18346 pw.print(" "); 18347 } else { 18348 pw.print("lib,"); 18349 } 18350 pw.print(name); 18351 if (!checkin) { 18352 pw.print(" -> "); 18353 } 18354 if (ent.path != null) { 18355 if (!checkin) { 18356 pw.print("(jar) "); 18357 pw.print(ent.path); 18358 } else { 18359 pw.print(",jar,"); 18360 pw.print(ent.path); 18361 } 18362 } else { 18363 if (!checkin) { 18364 pw.print("(apk) "); 18365 pw.print(ent.apk); 18366 } else { 18367 pw.print(",apk,"); 18368 pw.print(ent.apk); 18369 } 18370 } 18371 pw.println(); 18372 } 18373 } 18374 18375 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18376 if (dumpState.onTitlePrinted()) 18377 pw.println(); 18378 if (!checkin) { 18379 pw.println("Features:"); 18380 } 18381 18382 for (FeatureInfo feat : mAvailableFeatures.values()) { 18383 if (checkin) { 18384 pw.print("feat,"); 18385 pw.print(feat.name); 18386 pw.print(","); 18387 pw.println(feat.version); 18388 } else { 18389 pw.print(" "); 18390 pw.print(feat.name); 18391 if (feat.version > 0) { 18392 pw.print(" version="); 18393 pw.print(feat.version); 18394 } 18395 pw.println(); 18396 } 18397 } 18398 } 18399 18400 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18401 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18402 : "Activity Resolver Table:", " ", packageName, 18403 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18404 dumpState.setTitlePrinted(true); 18405 } 18406 } 18407 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18408 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18409 : "Receiver Resolver Table:", " ", packageName, 18410 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18411 dumpState.setTitlePrinted(true); 18412 } 18413 } 18414 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18415 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18416 : "Service Resolver Table:", " ", packageName, 18417 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18418 dumpState.setTitlePrinted(true); 18419 } 18420 } 18421 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18422 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18423 : "Provider Resolver Table:", " ", packageName, 18424 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18425 dumpState.setTitlePrinted(true); 18426 } 18427 } 18428 18429 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18430 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18431 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18432 int user = mSettings.mPreferredActivities.keyAt(i); 18433 if (pir.dump(pw, 18434 dumpState.getTitlePrinted() 18435 ? "\nPreferred Activities User " + user + ":" 18436 : "Preferred Activities User " + user + ":", " ", 18437 packageName, true, false)) { 18438 dumpState.setTitlePrinted(true); 18439 } 18440 } 18441 } 18442 18443 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18444 pw.flush(); 18445 FileOutputStream fout = new FileOutputStream(fd); 18446 BufferedOutputStream str = new BufferedOutputStream(fout); 18447 XmlSerializer serializer = new FastXmlSerializer(); 18448 try { 18449 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18450 serializer.startDocument(null, true); 18451 serializer.setFeature( 18452 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18453 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18454 serializer.endDocument(); 18455 serializer.flush(); 18456 } catch (IllegalArgumentException e) { 18457 pw.println("Failed writing: " + e); 18458 } catch (IllegalStateException e) { 18459 pw.println("Failed writing: " + e); 18460 } catch (IOException e) { 18461 pw.println("Failed writing: " + e); 18462 } 18463 } 18464 18465 if (!checkin 18466 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18467 && packageName == null) { 18468 pw.println(); 18469 int count = mSettings.mPackages.size(); 18470 if (count == 0) { 18471 pw.println("No applications!"); 18472 pw.println(); 18473 } else { 18474 final String prefix = " "; 18475 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18476 if (allPackageSettings.size() == 0) { 18477 pw.println("No domain preferred apps!"); 18478 pw.println(); 18479 } else { 18480 pw.println("App verification status:"); 18481 pw.println(); 18482 count = 0; 18483 for (PackageSetting ps : allPackageSettings) { 18484 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18485 if (ivi == null || ivi.getPackageName() == null) continue; 18486 pw.println(prefix + "Package: " + ivi.getPackageName()); 18487 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18488 pw.println(prefix + "Status: " + ivi.getStatusString()); 18489 pw.println(); 18490 count++; 18491 } 18492 if (count == 0) { 18493 pw.println(prefix + "No app verification established."); 18494 pw.println(); 18495 } 18496 for (int userId : sUserManager.getUserIds()) { 18497 pw.println("App linkages for user " + userId + ":"); 18498 pw.println(); 18499 count = 0; 18500 for (PackageSetting ps : allPackageSettings) { 18501 final long status = ps.getDomainVerificationStatusForUser(userId); 18502 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18503 continue; 18504 } 18505 pw.println(prefix + "Package: " + ps.name); 18506 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18507 String statusStr = IntentFilterVerificationInfo. 18508 getStatusStringFromValue(status); 18509 pw.println(prefix + "Status: " + statusStr); 18510 pw.println(); 18511 count++; 18512 } 18513 if (count == 0) { 18514 pw.println(prefix + "No configured app linkages."); 18515 pw.println(); 18516 } 18517 } 18518 } 18519 } 18520 } 18521 18522 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18523 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18524 if (packageName == null && permissionNames == null) { 18525 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18526 if (iperm == 0) { 18527 if (dumpState.onTitlePrinted()) 18528 pw.println(); 18529 pw.println("AppOp Permissions:"); 18530 } 18531 pw.print(" AppOp Permission "); 18532 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18533 pw.println(":"); 18534 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18535 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18536 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18537 } 18538 } 18539 } 18540 } 18541 18542 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18543 boolean printedSomething = false; 18544 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18545 if (packageName != null && !packageName.equals(p.info.packageName)) { 18546 continue; 18547 } 18548 if (!printedSomething) { 18549 if (dumpState.onTitlePrinted()) 18550 pw.println(); 18551 pw.println("Registered ContentProviders:"); 18552 printedSomething = true; 18553 } 18554 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18555 pw.print(" "); pw.println(p.toString()); 18556 } 18557 printedSomething = false; 18558 for (Map.Entry<String, PackageParser.Provider> entry : 18559 mProvidersByAuthority.entrySet()) { 18560 PackageParser.Provider p = entry.getValue(); 18561 if (packageName != null && !packageName.equals(p.info.packageName)) { 18562 continue; 18563 } 18564 if (!printedSomething) { 18565 if (dumpState.onTitlePrinted()) 18566 pw.println(); 18567 pw.println("ContentProvider Authorities:"); 18568 printedSomething = true; 18569 } 18570 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18571 pw.print(" "); pw.println(p.toString()); 18572 if (p.info != null && p.info.applicationInfo != null) { 18573 final String appInfo = p.info.applicationInfo.toString(); 18574 pw.print(" applicationInfo="); pw.println(appInfo); 18575 } 18576 } 18577 } 18578 18579 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18580 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18581 } 18582 18583 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18584 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18585 } 18586 18587 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18588 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18589 } 18590 18591 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18592 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18593 } 18594 18595 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18596 // XXX should handle packageName != null by dumping only install data that 18597 // the given package is involved with. 18598 if (dumpState.onTitlePrinted()) pw.println(); 18599 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18600 } 18601 18602 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18603 // XXX should handle packageName != null by dumping only install data that 18604 // the given package is involved with. 18605 if (dumpState.onTitlePrinted()) pw.println(); 18606 18607 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18608 ipw.println(); 18609 ipw.println("Frozen packages:"); 18610 ipw.increaseIndent(); 18611 if (mFrozenPackages.size() == 0) { 18612 ipw.println("(none)"); 18613 } else { 18614 for (int i = 0; i < mFrozenPackages.size(); i++) { 18615 ipw.println(mFrozenPackages.valueAt(i)); 18616 } 18617 } 18618 ipw.decreaseIndent(); 18619 } 18620 18621 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18622 if (dumpState.onTitlePrinted()) pw.println(); 18623 dumpDexoptStateLPr(pw, packageName); 18624 } 18625 18626 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18627 if (dumpState.onTitlePrinted()) pw.println(); 18628 dumpCompilerStatsLPr(pw, packageName); 18629 } 18630 18631 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18632 if (dumpState.onTitlePrinted()) pw.println(); 18633 mSettings.dumpReadMessagesLPr(pw, dumpState); 18634 18635 pw.println(); 18636 pw.println("Package warning messages:"); 18637 BufferedReader in = null; 18638 String line = null; 18639 try { 18640 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18641 while ((line = in.readLine()) != null) { 18642 if (line.contains("ignored: updated version")) continue; 18643 pw.println(line); 18644 } 18645 } catch (IOException ignored) { 18646 } finally { 18647 IoUtils.closeQuietly(in); 18648 } 18649 } 18650 18651 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18652 BufferedReader in = null; 18653 String line = null; 18654 try { 18655 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18656 while ((line = in.readLine()) != null) { 18657 if (line.contains("ignored: updated version")) continue; 18658 pw.print("msg,"); 18659 pw.println(line); 18660 } 18661 } catch (IOException ignored) { 18662 } finally { 18663 IoUtils.closeQuietly(in); 18664 } 18665 } 18666 } 18667 } 18668 18669 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18670 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18671 ipw.println(); 18672 ipw.println("Dexopt state:"); 18673 ipw.increaseIndent(); 18674 Collection<PackageParser.Package> packages = null; 18675 if (packageName != null) { 18676 PackageParser.Package targetPackage = mPackages.get(packageName); 18677 if (targetPackage != null) { 18678 packages = Collections.singletonList(targetPackage); 18679 } else { 18680 ipw.println("Unable to find package: " + packageName); 18681 return; 18682 } 18683 } else { 18684 packages = mPackages.values(); 18685 } 18686 18687 for (PackageParser.Package pkg : packages) { 18688 ipw.println("[" + pkg.packageName + "]"); 18689 ipw.increaseIndent(); 18690 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18691 ipw.decreaseIndent(); 18692 } 18693 } 18694 18695 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18696 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18697 ipw.println(); 18698 ipw.println("Compiler stats:"); 18699 ipw.increaseIndent(); 18700 Collection<PackageParser.Package> packages = null; 18701 if (packageName != null) { 18702 PackageParser.Package targetPackage = mPackages.get(packageName); 18703 if (targetPackage != null) { 18704 packages = Collections.singletonList(targetPackage); 18705 } else { 18706 ipw.println("Unable to find package: " + packageName); 18707 return; 18708 } 18709 } else { 18710 packages = mPackages.values(); 18711 } 18712 18713 for (PackageParser.Package pkg : packages) { 18714 ipw.println("[" + pkg.packageName + "]"); 18715 ipw.increaseIndent(); 18716 18717 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18718 if (stats == null) { 18719 ipw.println("(No recorded stats)"); 18720 } else { 18721 stats.dump(ipw); 18722 } 18723 ipw.decreaseIndent(); 18724 } 18725 } 18726 18727 private String dumpDomainString(String packageName) { 18728 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18729 .getList(); 18730 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18731 18732 ArraySet<String> result = new ArraySet<>(); 18733 if (iviList.size() > 0) { 18734 for (IntentFilterVerificationInfo ivi : iviList) { 18735 for (String host : ivi.getDomains()) { 18736 result.add(host); 18737 } 18738 } 18739 } 18740 if (filters != null && filters.size() > 0) { 18741 for (IntentFilter filter : filters) { 18742 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18743 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18744 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18745 result.addAll(filter.getHostsList()); 18746 } 18747 } 18748 } 18749 18750 StringBuilder sb = new StringBuilder(result.size() * 16); 18751 for (String domain : result) { 18752 if (sb.length() > 0) sb.append(" "); 18753 sb.append(domain); 18754 } 18755 return sb.toString(); 18756 } 18757 18758 // ------- apps on sdcard specific code ------- 18759 static final boolean DEBUG_SD_INSTALL = false; 18760 18761 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18762 18763 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18764 18765 private boolean mMediaMounted = false; 18766 18767 static String getEncryptKey() { 18768 try { 18769 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18770 SD_ENCRYPTION_KEYSTORE_NAME); 18771 if (sdEncKey == null) { 18772 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18773 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18774 if (sdEncKey == null) { 18775 Slog.e(TAG, "Failed to create encryption keys"); 18776 return null; 18777 } 18778 } 18779 return sdEncKey; 18780 } catch (NoSuchAlgorithmException nsae) { 18781 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18782 return null; 18783 } catch (IOException ioe) { 18784 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18785 return null; 18786 } 18787 } 18788 18789 /* 18790 * Update media status on PackageManager. 18791 */ 18792 @Override 18793 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18794 int callingUid = Binder.getCallingUid(); 18795 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18796 throw new SecurityException("Media status can only be updated by the system"); 18797 } 18798 // reader; this apparently protects mMediaMounted, but should probably 18799 // be a different lock in that case. 18800 synchronized (mPackages) { 18801 Log.i(TAG, "Updating external media status from " 18802 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18803 + (mediaStatus ? "mounted" : "unmounted")); 18804 if (DEBUG_SD_INSTALL) 18805 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18806 + ", mMediaMounted=" + mMediaMounted); 18807 if (mediaStatus == mMediaMounted) { 18808 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18809 : 0, -1); 18810 mHandler.sendMessage(msg); 18811 return; 18812 } 18813 mMediaMounted = mediaStatus; 18814 } 18815 // Queue up an async operation since the package installation may take a 18816 // little while. 18817 mHandler.post(new Runnable() { 18818 public void run() { 18819 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18820 } 18821 }); 18822 } 18823 18824 /** 18825 * Called by MountService when the initial ASECs to scan are available. 18826 * Should block until all the ASEC containers are finished being scanned. 18827 */ 18828 public void scanAvailableAsecs() { 18829 updateExternalMediaStatusInner(true, false, false); 18830 } 18831 18832 /* 18833 * Collect information of applications on external media, map them against 18834 * existing containers and update information based on current mount status. 18835 * Please note that we always have to report status if reportStatus has been 18836 * set to true especially when unloading packages. 18837 */ 18838 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18839 boolean externalStorage) { 18840 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18841 int[] uidArr = EmptyArray.INT; 18842 18843 final String[] list = PackageHelper.getSecureContainerList(); 18844 if (ArrayUtils.isEmpty(list)) { 18845 Log.i(TAG, "No secure containers found"); 18846 } else { 18847 // Process list of secure containers and categorize them 18848 // as active or stale based on their package internal state. 18849 18850 // reader 18851 synchronized (mPackages) { 18852 for (String cid : list) { 18853 // Leave stages untouched for now; installer service owns them 18854 if (PackageInstallerService.isStageName(cid)) continue; 18855 18856 if (DEBUG_SD_INSTALL) 18857 Log.i(TAG, "Processing container " + cid); 18858 String pkgName = getAsecPackageName(cid); 18859 if (pkgName == null) { 18860 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18861 continue; 18862 } 18863 if (DEBUG_SD_INSTALL) 18864 Log.i(TAG, "Looking for pkg : " + pkgName); 18865 18866 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18867 if (ps == null) { 18868 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18869 continue; 18870 } 18871 18872 /* 18873 * Skip packages that are not external if we're unmounting 18874 * external storage. 18875 */ 18876 if (externalStorage && !isMounted && !isExternal(ps)) { 18877 continue; 18878 } 18879 18880 final AsecInstallArgs args = new AsecInstallArgs(cid, 18881 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18882 // The package status is changed only if the code path 18883 // matches between settings and the container id. 18884 if (ps.codePathString != null 18885 && ps.codePathString.startsWith(args.getCodePath())) { 18886 if (DEBUG_SD_INSTALL) { 18887 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18888 + " at code path: " + ps.codePathString); 18889 } 18890 18891 // We do have a valid package installed on sdcard 18892 processCids.put(args, ps.codePathString); 18893 final int uid = ps.appId; 18894 if (uid != -1) { 18895 uidArr = ArrayUtils.appendInt(uidArr, uid); 18896 } 18897 } else { 18898 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18899 + ps.codePathString); 18900 } 18901 } 18902 } 18903 18904 Arrays.sort(uidArr); 18905 } 18906 18907 // Process packages with valid entries. 18908 if (isMounted) { 18909 if (DEBUG_SD_INSTALL) 18910 Log.i(TAG, "Loading packages"); 18911 loadMediaPackages(processCids, uidArr, externalStorage); 18912 startCleaningPackages(); 18913 mInstallerService.onSecureContainersAvailable(); 18914 } else { 18915 if (DEBUG_SD_INSTALL) 18916 Log.i(TAG, "Unloading packages"); 18917 unloadMediaPackages(processCids, uidArr, reportStatus); 18918 } 18919 } 18920 18921 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18922 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18923 final int size = infos.size(); 18924 final String[] packageNames = new String[size]; 18925 final int[] packageUids = new int[size]; 18926 for (int i = 0; i < size; i++) { 18927 final ApplicationInfo info = infos.get(i); 18928 packageNames[i] = info.packageName; 18929 packageUids[i] = info.uid; 18930 } 18931 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18932 finishedReceiver); 18933 } 18934 18935 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18936 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18937 sendResourcesChangedBroadcast(mediaStatus, replacing, 18938 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18939 } 18940 18941 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18942 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18943 int size = pkgList.length; 18944 if (size > 0) { 18945 // Send broadcasts here 18946 Bundle extras = new Bundle(); 18947 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18948 if (uidArr != null) { 18949 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18950 } 18951 if (replacing) { 18952 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18953 } 18954 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18955 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18956 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18957 } 18958 } 18959 18960 /* 18961 * Look at potentially valid container ids from processCids If package 18962 * information doesn't match the one on record or package scanning fails, 18963 * the cid is added to list of removeCids. We currently don't delete stale 18964 * containers. 18965 */ 18966 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18967 boolean externalStorage) { 18968 ArrayList<String> pkgList = new ArrayList<String>(); 18969 Set<AsecInstallArgs> keys = processCids.keySet(); 18970 18971 for (AsecInstallArgs args : keys) { 18972 String codePath = processCids.get(args); 18973 if (DEBUG_SD_INSTALL) 18974 Log.i(TAG, "Loading container : " + args.cid); 18975 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18976 try { 18977 // Make sure there are no container errors first. 18978 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18979 Slog.e(TAG, "Failed to mount cid : " + args.cid 18980 + " when installing from sdcard"); 18981 continue; 18982 } 18983 // Check code path here. 18984 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18985 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18986 + " does not match one in settings " + codePath); 18987 continue; 18988 } 18989 // Parse package 18990 int parseFlags = mDefParseFlags; 18991 if (args.isExternalAsec()) { 18992 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18993 } 18994 if (args.isFwdLocked()) { 18995 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18996 } 18997 18998 synchronized (mInstallLock) { 18999 PackageParser.Package pkg = null; 19000 try { 19001 // Sadly we don't know the package name yet to freeze it 19002 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19003 SCAN_IGNORE_FROZEN, 0, null); 19004 } catch (PackageManagerException e) { 19005 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19006 } 19007 // Scan the package 19008 if (pkg != null) { 19009 /* 19010 * TODO why is the lock being held? doPostInstall is 19011 * called in other places without the lock. This needs 19012 * to be straightened out. 19013 */ 19014 // writer 19015 synchronized (mPackages) { 19016 retCode = PackageManager.INSTALL_SUCCEEDED; 19017 pkgList.add(pkg.packageName); 19018 // Post process args 19019 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19020 pkg.applicationInfo.uid); 19021 } 19022 } else { 19023 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19024 } 19025 } 19026 19027 } finally { 19028 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19029 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19030 } 19031 } 19032 } 19033 // writer 19034 synchronized (mPackages) { 19035 // If the platform SDK has changed since the last time we booted, 19036 // we need to re-grant app permission to catch any new ones that 19037 // appear. This is really a hack, and means that apps can in some 19038 // cases get permissions that the user didn't initially explicitly 19039 // allow... it would be nice to have some better way to handle 19040 // this situation. 19041 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19042 : mSettings.getInternalVersion(); 19043 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19044 : StorageManager.UUID_PRIVATE_INTERNAL; 19045 19046 int updateFlags = UPDATE_PERMISSIONS_ALL; 19047 if (ver.sdkVersion != mSdkVersion) { 19048 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19049 + mSdkVersion + "; regranting permissions for external"); 19050 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19051 } 19052 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19053 19054 // Yay, everything is now upgraded 19055 ver.forceCurrent(); 19056 19057 // can downgrade to reader 19058 // Persist settings 19059 mSettings.writeLPr(); 19060 } 19061 // Send a broadcast to let everyone know we are done processing 19062 if (pkgList.size() > 0) { 19063 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19064 } 19065 } 19066 19067 /* 19068 * Utility method to unload a list of specified containers 19069 */ 19070 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19071 // Just unmount all valid containers. 19072 for (AsecInstallArgs arg : cidArgs) { 19073 synchronized (mInstallLock) { 19074 arg.doPostDeleteLI(false); 19075 } 19076 } 19077 } 19078 19079 /* 19080 * Unload packages mounted on external media. This involves deleting package 19081 * data from internal structures, sending broadcasts about disabled packages, 19082 * gc'ing to free up references, unmounting all secure containers 19083 * corresponding to packages on external media, and posting a 19084 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19085 * that we always have to post this message if status has been requested no 19086 * matter what. 19087 */ 19088 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19089 final boolean reportStatus) { 19090 if (DEBUG_SD_INSTALL) 19091 Log.i(TAG, "unloading media packages"); 19092 ArrayList<String> pkgList = new ArrayList<String>(); 19093 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19094 final Set<AsecInstallArgs> keys = processCids.keySet(); 19095 for (AsecInstallArgs args : keys) { 19096 String pkgName = args.getPackageName(); 19097 if (DEBUG_SD_INSTALL) 19098 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19099 // Delete package internally 19100 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19101 synchronized (mInstallLock) { 19102 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19103 final boolean res; 19104 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19105 "unloadMediaPackages")) { 19106 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19107 null); 19108 } 19109 if (res) { 19110 pkgList.add(pkgName); 19111 } else { 19112 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19113 failedList.add(args); 19114 } 19115 } 19116 } 19117 19118 // reader 19119 synchronized (mPackages) { 19120 // We didn't update the settings after removing each package; 19121 // write them now for all packages. 19122 mSettings.writeLPr(); 19123 } 19124 19125 // We have to absolutely send UPDATED_MEDIA_STATUS only 19126 // after confirming that all the receivers processed the ordered 19127 // broadcast when packages get disabled, force a gc to clean things up. 19128 // and unload all the containers. 19129 if (pkgList.size() > 0) { 19130 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19131 new IIntentReceiver.Stub() { 19132 public void performReceive(Intent intent, int resultCode, String data, 19133 Bundle extras, boolean ordered, boolean sticky, 19134 int sendingUser) throws RemoteException { 19135 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19136 reportStatus ? 1 : 0, 1, keys); 19137 mHandler.sendMessage(msg); 19138 } 19139 }); 19140 } else { 19141 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19142 keys); 19143 mHandler.sendMessage(msg); 19144 } 19145 } 19146 19147 private void loadPrivatePackages(final VolumeInfo vol) { 19148 mHandler.post(new Runnable() { 19149 @Override 19150 public void run() { 19151 loadPrivatePackagesInner(vol); 19152 } 19153 }); 19154 } 19155 19156 private void loadPrivatePackagesInner(VolumeInfo vol) { 19157 final String volumeUuid = vol.fsUuid; 19158 if (TextUtils.isEmpty(volumeUuid)) { 19159 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19160 return; 19161 } 19162 19163 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19164 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19165 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19166 19167 final VersionInfo ver; 19168 final List<PackageSetting> packages; 19169 synchronized (mPackages) { 19170 ver = mSettings.findOrCreateVersion(volumeUuid); 19171 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19172 } 19173 19174 for (PackageSetting ps : packages) { 19175 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19176 synchronized (mInstallLock) { 19177 final PackageParser.Package pkg; 19178 try { 19179 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19180 loaded.add(pkg.applicationInfo); 19181 19182 } catch (PackageManagerException e) { 19183 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19184 } 19185 19186 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19187 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19188 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19189 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19190 } 19191 } 19192 } 19193 19194 // Reconcile app data for all started/unlocked users 19195 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19196 final UserManager um = mContext.getSystemService(UserManager.class); 19197 UserManagerInternal umInternal = getUserManagerInternal(); 19198 for (UserInfo user : um.getUsers()) { 19199 final int flags; 19200 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19201 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19202 } else if (umInternal.isUserRunning(user.id)) { 19203 flags = StorageManager.FLAG_STORAGE_DE; 19204 } else { 19205 continue; 19206 } 19207 19208 try { 19209 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19210 synchronized (mInstallLock) { 19211 reconcileAppsDataLI(volumeUuid, user.id, flags); 19212 } 19213 } catch (IllegalStateException e) { 19214 // Device was probably ejected, and we'll process that event momentarily 19215 Slog.w(TAG, "Failed to prepare storage: " + e); 19216 } 19217 } 19218 19219 synchronized (mPackages) { 19220 int updateFlags = UPDATE_PERMISSIONS_ALL; 19221 if (ver.sdkVersion != mSdkVersion) { 19222 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19223 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19224 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19225 } 19226 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19227 19228 // Yay, everything is now upgraded 19229 ver.forceCurrent(); 19230 19231 mSettings.writeLPr(); 19232 } 19233 19234 for (PackageFreezer freezer : freezers) { 19235 freezer.close(); 19236 } 19237 19238 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19239 sendResourcesChangedBroadcast(true, false, loaded, null); 19240 } 19241 19242 private void unloadPrivatePackages(final VolumeInfo vol) { 19243 mHandler.post(new Runnable() { 19244 @Override 19245 public void run() { 19246 unloadPrivatePackagesInner(vol); 19247 } 19248 }); 19249 } 19250 19251 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19252 final String volumeUuid = vol.fsUuid; 19253 if (TextUtils.isEmpty(volumeUuid)) { 19254 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19255 return; 19256 } 19257 19258 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19259 synchronized (mInstallLock) { 19260 synchronized (mPackages) { 19261 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19262 for (PackageSetting ps : packages) { 19263 if (ps.pkg == null) continue; 19264 19265 final ApplicationInfo info = ps.pkg.applicationInfo; 19266 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19267 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19268 19269 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19270 "unloadPrivatePackagesInner")) { 19271 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19272 false, null)) { 19273 unloaded.add(info); 19274 } else { 19275 Slog.w(TAG, "Failed to unload " + ps.codePath); 19276 } 19277 } 19278 19279 // Try very hard to release any references to this package 19280 // so we don't risk the system server being killed due to 19281 // open FDs 19282 AttributeCache.instance().removePackage(ps.name); 19283 } 19284 19285 mSettings.writeLPr(); 19286 } 19287 } 19288 19289 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19290 sendResourcesChangedBroadcast(false, false, unloaded, null); 19291 19292 // Try very hard to release any references to this path so we don't risk 19293 // the system server being killed due to open FDs 19294 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19295 19296 for (int i = 0; i < 3; i++) { 19297 System.gc(); 19298 System.runFinalization(); 19299 } 19300 } 19301 19302 /** 19303 * Prepare storage areas for given user on all mounted devices. 19304 */ 19305 void prepareUserData(int userId, int userSerial, int flags) { 19306 synchronized (mInstallLock) { 19307 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19308 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19309 final String volumeUuid = vol.getFsUuid(); 19310 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19311 } 19312 } 19313 } 19314 19315 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19316 boolean allowRecover) { 19317 // Prepare storage and verify that serial numbers are consistent; if 19318 // there's a mismatch we need to destroy to avoid leaking data 19319 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19320 try { 19321 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19322 19323 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19324 UserManagerService.enforceSerialNumber( 19325 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19326 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19327 UserManagerService.enforceSerialNumber( 19328 Environment.getDataSystemDeDirectory(userId), userSerial); 19329 } 19330 } 19331 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19332 UserManagerService.enforceSerialNumber( 19333 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19334 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19335 UserManagerService.enforceSerialNumber( 19336 Environment.getDataSystemCeDirectory(userId), userSerial); 19337 } 19338 } 19339 19340 synchronized (mInstallLock) { 19341 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19342 } 19343 } catch (Exception e) { 19344 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19345 + " because we failed to prepare: " + e); 19346 destroyUserDataLI(volumeUuid, userId, 19347 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19348 19349 if (allowRecover) { 19350 // Try one last time; if we fail again we're really in trouble 19351 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19352 } 19353 } 19354 } 19355 19356 /** 19357 * Destroy storage areas for given user on all mounted devices. 19358 */ 19359 void destroyUserData(int userId, int flags) { 19360 synchronized (mInstallLock) { 19361 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19362 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19363 final String volumeUuid = vol.getFsUuid(); 19364 destroyUserDataLI(volumeUuid, userId, flags); 19365 } 19366 } 19367 } 19368 19369 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19370 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19371 try { 19372 // Clean up app data, profile data, and media data 19373 mInstaller.destroyUserData(volumeUuid, userId, flags); 19374 19375 // Clean up system data 19376 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19377 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19378 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19379 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19380 } 19381 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19382 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19383 } 19384 } 19385 19386 // Data with special labels is now gone, so finish the job 19387 storage.destroyUserStorage(volumeUuid, userId, flags); 19388 19389 } catch (Exception e) { 19390 logCriticalInfo(Log.WARN, 19391 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19392 } 19393 } 19394 19395 /** 19396 * Examine all users present on given mounted volume, and destroy data 19397 * belonging to users that are no longer valid, or whose user ID has been 19398 * recycled. 19399 */ 19400 private void reconcileUsers(String volumeUuid) { 19401 final List<File> files = new ArrayList<>(); 19402 Collections.addAll(files, FileUtils 19403 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19404 Collections.addAll(files, FileUtils 19405 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19406 Collections.addAll(files, FileUtils 19407 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19408 Collections.addAll(files, FileUtils 19409 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19410 for (File file : files) { 19411 if (!file.isDirectory()) continue; 19412 19413 final int userId; 19414 final UserInfo info; 19415 try { 19416 userId = Integer.parseInt(file.getName()); 19417 info = sUserManager.getUserInfo(userId); 19418 } catch (NumberFormatException e) { 19419 Slog.w(TAG, "Invalid user directory " + file); 19420 continue; 19421 } 19422 19423 boolean destroyUser = false; 19424 if (info == null) { 19425 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19426 + " because no matching user was found"); 19427 destroyUser = true; 19428 } else if (!mOnlyCore) { 19429 try { 19430 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19431 } catch (IOException e) { 19432 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19433 + " because we failed to enforce serial number: " + e); 19434 destroyUser = true; 19435 } 19436 } 19437 19438 if (destroyUser) { 19439 synchronized (mInstallLock) { 19440 destroyUserDataLI(volumeUuid, userId, 19441 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19442 } 19443 } 19444 } 19445 } 19446 19447 private void assertPackageKnown(String volumeUuid, String packageName) 19448 throws PackageManagerException { 19449 synchronized (mPackages) { 19450 final PackageSetting ps = mSettings.mPackages.get(packageName); 19451 if (ps == null) { 19452 throw new PackageManagerException("Package " + packageName + " is unknown"); 19453 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19454 throw new PackageManagerException( 19455 "Package " + packageName + " found on unknown volume " + volumeUuid 19456 + "; expected volume " + ps.volumeUuid); 19457 } 19458 } 19459 } 19460 19461 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19462 throws PackageManagerException { 19463 synchronized (mPackages) { 19464 final PackageSetting ps = mSettings.mPackages.get(packageName); 19465 if (ps == null) { 19466 throw new PackageManagerException("Package " + packageName + " is unknown"); 19467 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19468 throw new PackageManagerException( 19469 "Package " + packageName + " found on unknown volume " + volumeUuid 19470 + "; expected volume " + ps.volumeUuid); 19471 } else if (!ps.getInstalled(userId)) { 19472 throw new PackageManagerException( 19473 "Package " + packageName + " not installed for user " + userId); 19474 } 19475 } 19476 } 19477 19478 /** 19479 * Examine all apps present on given mounted volume, and destroy apps that 19480 * aren't expected, either due to uninstallation or reinstallation on 19481 * another volume. 19482 */ 19483 private void reconcileApps(String volumeUuid) { 19484 final File[] files = FileUtils 19485 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19486 for (File file : files) { 19487 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19488 && !PackageInstallerService.isStageName(file.getName()); 19489 if (!isPackage) { 19490 // Ignore entries which are not packages 19491 continue; 19492 } 19493 19494 try { 19495 final PackageLite pkg = PackageParser.parsePackageLite(file, 19496 PackageParser.PARSE_MUST_BE_APK); 19497 assertPackageKnown(volumeUuid, pkg.packageName); 19498 19499 } catch (PackageParserException | PackageManagerException e) { 19500 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19501 synchronized (mInstallLock) { 19502 removeCodePathLI(file); 19503 } 19504 } 19505 } 19506 } 19507 19508 /** 19509 * Reconcile all app data for the given user. 19510 * <p> 19511 * Verifies that directories exist and that ownership and labeling is 19512 * correct for all installed apps on all mounted volumes. 19513 */ 19514 void reconcileAppsData(int userId, int flags) { 19515 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19516 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19517 final String volumeUuid = vol.getFsUuid(); 19518 synchronized (mInstallLock) { 19519 reconcileAppsDataLI(volumeUuid, userId, flags); 19520 } 19521 } 19522 } 19523 19524 /** 19525 * Reconcile all app data on given mounted volume. 19526 * <p> 19527 * Destroys app data that isn't expected, either due to uninstallation or 19528 * reinstallation on another volume. 19529 * <p> 19530 * Verifies that directories exist and that ownership and labeling is 19531 * correct for all installed apps. 19532 */ 19533 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19534 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19535 + Integer.toHexString(flags)); 19536 19537 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19538 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19539 19540 boolean restoreconNeeded = false; 19541 19542 // First look for stale data that doesn't belong, and check if things 19543 // have changed since we did our last restorecon 19544 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19545 if (StorageManager.isFileEncryptedNativeOrEmulated() 19546 && !StorageManager.isUserKeyUnlocked(userId)) { 19547 throw new RuntimeException( 19548 "Yikes, someone asked us to reconcile CE storage while " + userId 19549 + " was still locked; this would have caused massive data loss!"); 19550 } 19551 19552 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19553 19554 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19555 for (File file : files) { 19556 final String packageName = file.getName(); 19557 try { 19558 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19559 } catch (PackageManagerException e) { 19560 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19561 try { 19562 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19563 StorageManager.FLAG_STORAGE_CE, 0); 19564 } catch (InstallerException e2) { 19565 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19566 } 19567 } 19568 } 19569 } 19570 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19571 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19572 19573 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19574 for (File file : files) { 19575 final String packageName = file.getName(); 19576 try { 19577 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19578 } catch (PackageManagerException e) { 19579 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19580 try { 19581 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19582 StorageManager.FLAG_STORAGE_DE, 0); 19583 } catch (InstallerException e2) { 19584 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19585 } 19586 } 19587 } 19588 } 19589 19590 // Ensure that data directories are ready to roll for all packages 19591 // installed for this volume and user 19592 final List<PackageSetting> packages; 19593 synchronized (mPackages) { 19594 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19595 } 19596 int preparedCount = 0; 19597 for (PackageSetting ps : packages) { 19598 final String packageName = ps.name; 19599 if (ps.pkg == null) { 19600 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19601 // TODO: might be due to legacy ASEC apps; we should circle back 19602 // and reconcile again once they're scanned 19603 continue; 19604 } 19605 19606 if (ps.getInstalled(userId)) { 19607 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19608 19609 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19610 // We may have just shuffled around app data directories, so 19611 // prepare them one more time 19612 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19613 } 19614 19615 preparedCount++; 19616 } 19617 } 19618 19619 if (restoreconNeeded) { 19620 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19621 SELinuxMMAC.setRestoreconDone(ceDir); 19622 } 19623 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19624 SELinuxMMAC.setRestoreconDone(deDir); 19625 } 19626 } 19627 19628 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19629 + " packages; restoreconNeeded was " + restoreconNeeded); 19630 } 19631 19632 /** 19633 * Prepare app data for the given app just after it was installed or 19634 * upgraded. This method carefully only touches users that it's installed 19635 * for, and it forces a restorecon to handle any seinfo changes. 19636 * <p> 19637 * Verifies that directories exist and that ownership and labeling is 19638 * correct for all installed apps. If there is an ownership mismatch, it 19639 * will try recovering system apps by wiping data; third-party app data is 19640 * left intact. 19641 * <p> 19642 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19643 */ 19644 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19645 final PackageSetting ps; 19646 synchronized (mPackages) { 19647 ps = mSettings.mPackages.get(pkg.packageName); 19648 mSettings.writeKernelMappingLPr(ps); 19649 } 19650 19651 final UserManager um = mContext.getSystemService(UserManager.class); 19652 UserManagerInternal umInternal = getUserManagerInternal(); 19653 for (UserInfo user : um.getUsers()) { 19654 final int flags; 19655 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19656 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19657 } else if (umInternal.isUserRunning(user.id)) { 19658 flags = StorageManager.FLAG_STORAGE_DE; 19659 } else { 19660 continue; 19661 } 19662 19663 if (ps.getInstalled(user.id)) { 19664 // Whenever an app changes, force a restorecon of its data 19665 // TODO: when user data is locked, mark that we're still dirty 19666 prepareAppDataLIF(pkg, user.id, flags, true); 19667 } 19668 } 19669 } 19670 19671 /** 19672 * Prepare app data for the given app. 19673 * <p> 19674 * Verifies that directories exist and that ownership and labeling is 19675 * correct for all installed apps. If there is an ownership mismatch, this 19676 * will try recovering system apps by wiping data; third-party app data is 19677 * left intact. 19678 */ 19679 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19680 boolean restoreconNeeded) { 19681 if (pkg == null) { 19682 Slog.wtf(TAG, "Package was null!", new Throwable()); 19683 return; 19684 } 19685 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19686 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19687 for (int i = 0; i < childCount; i++) { 19688 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19689 } 19690 } 19691 19692 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19693 boolean restoreconNeeded) { 19694 if (DEBUG_APP_DATA) { 19695 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19696 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19697 } 19698 19699 final String volumeUuid = pkg.volumeUuid; 19700 final String packageName = pkg.packageName; 19701 final ApplicationInfo app = pkg.applicationInfo; 19702 final int appId = UserHandle.getAppId(app.uid); 19703 19704 Preconditions.checkNotNull(app.seinfo); 19705 19706 try { 19707 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19708 appId, app.seinfo, app.targetSdkVersion); 19709 } catch (InstallerException e) { 19710 if (app.isSystemApp()) { 19711 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19712 + ", but trying to recover: " + e); 19713 destroyAppDataLeafLIF(pkg, userId, flags); 19714 try { 19715 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19716 appId, app.seinfo, app.targetSdkVersion); 19717 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19718 } catch (InstallerException e2) { 19719 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19720 } 19721 } else { 19722 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19723 } 19724 } 19725 19726 if (restoreconNeeded) { 19727 try { 19728 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19729 app.seinfo); 19730 } catch (InstallerException e) { 19731 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19732 } 19733 } 19734 19735 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19736 try { 19737 // CE storage is unlocked right now, so read out the inode and 19738 // remember for use later when it's locked 19739 // TODO: mark this structure as dirty so we persist it! 19740 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19741 StorageManager.FLAG_STORAGE_CE); 19742 synchronized (mPackages) { 19743 final PackageSetting ps = mSettings.mPackages.get(packageName); 19744 if (ps != null) { 19745 ps.setCeDataInode(ceDataInode, userId); 19746 } 19747 } 19748 } catch (InstallerException e) { 19749 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19750 } 19751 } 19752 19753 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19754 } 19755 19756 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19757 if (pkg == null) { 19758 Slog.wtf(TAG, "Package was null!", new Throwable()); 19759 return; 19760 } 19761 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19762 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19763 for (int i = 0; i < childCount; i++) { 19764 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19765 } 19766 } 19767 19768 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19769 final String volumeUuid = pkg.volumeUuid; 19770 final String packageName = pkg.packageName; 19771 final ApplicationInfo app = pkg.applicationInfo; 19772 19773 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19774 // Create a native library symlink only if we have native libraries 19775 // and if the native libraries are 32 bit libraries. We do not provide 19776 // this symlink for 64 bit libraries. 19777 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19778 final String nativeLibPath = app.nativeLibraryDir; 19779 try { 19780 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19781 nativeLibPath, userId); 19782 } catch (InstallerException e) { 19783 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19784 } 19785 } 19786 } 19787 } 19788 19789 /** 19790 * For system apps on non-FBE devices, this method migrates any existing 19791 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19792 * requested by the app. 19793 */ 19794 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19795 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19796 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19797 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19798 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19799 try { 19800 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19801 storageTarget); 19802 } catch (InstallerException e) { 19803 logCriticalInfo(Log.WARN, 19804 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19805 } 19806 return true; 19807 } else { 19808 return false; 19809 } 19810 } 19811 19812 public PackageFreezer freezePackage(String packageName, String killReason) { 19813 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19814 } 19815 19816 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19817 return new PackageFreezer(packageName, userId, killReason); 19818 } 19819 19820 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19821 String killReason) { 19822 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19823 } 19824 19825 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19826 String killReason) { 19827 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19828 return new PackageFreezer(); 19829 } else { 19830 return freezePackage(packageName, userId, killReason); 19831 } 19832 } 19833 19834 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19835 String killReason) { 19836 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19837 } 19838 19839 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19840 String killReason) { 19841 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19842 return new PackageFreezer(); 19843 } else { 19844 return freezePackage(packageName, userId, killReason); 19845 } 19846 } 19847 19848 /** 19849 * Class that freezes and kills the given package upon creation, and 19850 * unfreezes it upon closing. This is typically used when doing surgery on 19851 * app code/data to prevent the app from running while you're working. 19852 */ 19853 private class PackageFreezer implements AutoCloseable { 19854 private final String mPackageName; 19855 private final PackageFreezer[] mChildren; 19856 19857 private final boolean mWeFroze; 19858 19859 private final AtomicBoolean mClosed = new AtomicBoolean(); 19860 private final CloseGuard mCloseGuard = CloseGuard.get(); 19861 19862 /** 19863 * Create and return a stub freezer that doesn't actually do anything, 19864 * typically used when someone requested 19865 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19866 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19867 */ 19868 public PackageFreezer() { 19869 mPackageName = null; 19870 mChildren = null; 19871 mWeFroze = false; 19872 mCloseGuard.open("close"); 19873 } 19874 19875 public PackageFreezer(String packageName, int userId, String killReason) { 19876 synchronized (mPackages) { 19877 mPackageName = packageName; 19878 mWeFroze = mFrozenPackages.add(mPackageName); 19879 19880 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19881 if (ps != null) { 19882 killApplication(ps.name, ps.appId, userId, killReason); 19883 } 19884 19885 final PackageParser.Package p = mPackages.get(packageName); 19886 if (p != null && p.childPackages != null) { 19887 final int N = p.childPackages.size(); 19888 mChildren = new PackageFreezer[N]; 19889 for (int i = 0; i < N; i++) { 19890 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19891 userId, killReason); 19892 } 19893 } else { 19894 mChildren = null; 19895 } 19896 } 19897 mCloseGuard.open("close"); 19898 } 19899 19900 @Override 19901 protected void finalize() throws Throwable { 19902 try { 19903 mCloseGuard.warnIfOpen(); 19904 close(); 19905 } finally { 19906 super.finalize(); 19907 } 19908 } 19909 19910 @Override 19911 public void close() { 19912 mCloseGuard.close(); 19913 if (mClosed.compareAndSet(false, true)) { 19914 synchronized (mPackages) { 19915 if (mWeFroze) { 19916 mFrozenPackages.remove(mPackageName); 19917 } 19918 19919 if (mChildren != null) { 19920 for (PackageFreezer freezer : mChildren) { 19921 freezer.close(); 19922 } 19923 } 19924 } 19925 } 19926 } 19927 } 19928 19929 /** 19930 * Verify that given package is currently frozen. 19931 */ 19932 private void checkPackageFrozen(String packageName) { 19933 synchronized (mPackages) { 19934 if (!mFrozenPackages.contains(packageName)) { 19935 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19936 } 19937 } 19938 } 19939 19940 @Override 19941 public int movePackage(final String packageName, final String volumeUuid) { 19942 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19943 19944 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19945 final int moveId = mNextMoveId.getAndIncrement(); 19946 mHandler.post(new Runnable() { 19947 @Override 19948 public void run() { 19949 try { 19950 movePackageInternal(packageName, volumeUuid, moveId, user); 19951 } catch (PackageManagerException e) { 19952 Slog.w(TAG, "Failed to move " + packageName, e); 19953 mMoveCallbacks.notifyStatusChanged(moveId, 19954 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19955 } 19956 } 19957 }); 19958 return moveId; 19959 } 19960 19961 private void movePackageInternal(final String packageName, final String volumeUuid, 19962 final int moveId, UserHandle user) throws PackageManagerException { 19963 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19964 final PackageManager pm = mContext.getPackageManager(); 19965 19966 final boolean currentAsec; 19967 final String currentVolumeUuid; 19968 final File codeFile; 19969 final String installerPackageName; 19970 final String packageAbiOverride; 19971 final int appId; 19972 final String seinfo; 19973 final String label; 19974 final int targetSdkVersion; 19975 final PackageFreezer freezer; 19976 final int[] installedUserIds; 19977 19978 // reader 19979 synchronized (mPackages) { 19980 final PackageParser.Package pkg = mPackages.get(packageName); 19981 final PackageSetting ps = mSettings.mPackages.get(packageName); 19982 if (pkg == null || ps == null) { 19983 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19984 } 19985 19986 if (pkg.applicationInfo.isSystemApp()) { 19987 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19988 "Cannot move system application"); 19989 } 19990 19991 if (pkg.applicationInfo.isExternalAsec()) { 19992 currentAsec = true; 19993 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19994 } else if (pkg.applicationInfo.isForwardLocked()) { 19995 currentAsec = true; 19996 currentVolumeUuid = "forward_locked"; 19997 } else { 19998 currentAsec = false; 19999 currentVolumeUuid = ps.volumeUuid; 20000 20001 final File probe = new File(pkg.codePath); 20002 final File probeOat = new File(probe, "oat"); 20003 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20004 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20005 "Move only supported for modern cluster style installs"); 20006 } 20007 } 20008 20009 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20010 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20011 "Package already moved to " + volumeUuid); 20012 } 20013 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20014 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20015 "Device admin cannot be moved"); 20016 } 20017 20018 if (mFrozenPackages.contains(packageName)) { 20019 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20020 "Failed to move already frozen package"); 20021 } 20022 20023 codeFile = new File(pkg.codePath); 20024 installerPackageName = ps.installerPackageName; 20025 packageAbiOverride = ps.cpuAbiOverrideString; 20026 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20027 seinfo = pkg.applicationInfo.seinfo; 20028 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20029 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20030 freezer = freezePackage(packageName, "movePackageInternal"); 20031 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20032 } 20033 20034 final Bundle extras = new Bundle(); 20035 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20036 extras.putString(Intent.EXTRA_TITLE, label); 20037 mMoveCallbacks.notifyCreated(moveId, extras); 20038 20039 int installFlags; 20040 final boolean moveCompleteApp; 20041 final File measurePath; 20042 20043 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20044 installFlags = INSTALL_INTERNAL; 20045 moveCompleteApp = !currentAsec; 20046 measurePath = Environment.getDataAppDirectory(volumeUuid); 20047 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20048 installFlags = INSTALL_EXTERNAL; 20049 moveCompleteApp = false; 20050 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20051 } else { 20052 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20053 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20054 || !volume.isMountedWritable()) { 20055 freezer.close(); 20056 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20057 "Move location not mounted private volume"); 20058 } 20059 20060 Preconditions.checkState(!currentAsec); 20061 20062 installFlags = INSTALL_INTERNAL; 20063 moveCompleteApp = true; 20064 measurePath = Environment.getDataAppDirectory(volumeUuid); 20065 } 20066 20067 final PackageStats stats = new PackageStats(null, -1); 20068 synchronized (mInstaller) { 20069 for (int userId : installedUserIds) { 20070 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20071 freezer.close(); 20072 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20073 "Failed to measure package size"); 20074 } 20075 } 20076 } 20077 20078 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20079 + stats.dataSize); 20080 20081 final long startFreeBytes = measurePath.getFreeSpace(); 20082 final long sizeBytes; 20083 if (moveCompleteApp) { 20084 sizeBytes = stats.codeSize + stats.dataSize; 20085 } else { 20086 sizeBytes = stats.codeSize; 20087 } 20088 20089 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20090 freezer.close(); 20091 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20092 "Not enough free space to move"); 20093 } 20094 20095 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20096 20097 final CountDownLatch installedLatch = new CountDownLatch(1); 20098 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20099 @Override 20100 public void onUserActionRequired(Intent intent) throws RemoteException { 20101 throw new IllegalStateException(); 20102 } 20103 20104 @Override 20105 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20106 Bundle extras) throws RemoteException { 20107 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20108 + PackageManager.installStatusToString(returnCode, msg)); 20109 20110 installedLatch.countDown(); 20111 freezer.close(); 20112 20113 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20114 switch (status) { 20115 case PackageInstaller.STATUS_SUCCESS: 20116 mMoveCallbacks.notifyStatusChanged(moveId, 20117 PackageManager.MOVE_SUCCEEDED); 20118 break; 20119 case PackageInstaller.STATUS_FAILURE_STORAGE: 20120 mMoveCallbacks.notifyStatusChanged(moveId, 20121 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20122 break; 20123 default: 20124 mMoveCallbacks.notifyStatusChanged(moveId, 20125 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20126 break; 20127 } 20128 } 20129 }; 20130 20131 final MoveInfo move; 20132 if (moveCompleteApp) { 20133 // Kick off a thread to report progress estimates 20134 new Thread() { 20135 @Override 20136 public void run() { 20137 while (true) { 20138 try { 20139 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20140 break; 20141 } 20142 } catch (InterruptedException ignored) { 20143 } 20144 20145 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20146 final int progress = 10 + (int) MathUtils.constrain( 20147 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20148 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20149 } 20150 } 20151 }.start(); 20152 20153 final String dataAppName = codeFile.getName(); 20154 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20155 dataAppName, appId, seinfo, targetSdkVersion); 20156 } else { 20157 move = null; 20158 } 20159 20160 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20161 20162 final Message msg = mHandler.obtainMessage(INIT_COPY); 20163 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20164 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20165 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20166 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20167 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20168 msg.obj = params; 20169 20170 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20171 System.identityHashCode(msg.obj)); 20172 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20173 System.identityHashCode(msg.obj)); 20174 20175 mHandler.sendMessage(msg); 20176 } 20177 20178 @Override 20179 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20180 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20181 20182 final int realMoveId = mNextMoveId.getAndIncrement(); 20183 final Bundle extras = new Bundle(); 20184 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20185 mMoveCallbacks.notifyCreated(realMoveId, extras); 20186 20187 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20188 @Override 20189 public void onCreated(int moveId, Bundle extras) { 20190 // Ignored 20191 } 20192 20193 @Override 20194 public void onStatusChanged(int moveId, int status, long estMillis) { 20195 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20196 } 20197 }; 20198 20199 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20200 storage.setPrimaryStorageUuid(volumeUuid, callback); 20201 return realMoveId; 20202 } 20203 20204 @Override 20205 public int getMoveStatus(int moveId) { 20206 mContext.enforceCallingOrSelfPermission( 20207 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20208 return mMoveCallbacks.mLastStatus.get(moveId); 20209 } 20210 20211 @Override 20212 public void registerMoveCallback(IPackageMoveObserver callback) { 20213 mContext.enforceCallingOrSelfPermission( 20214 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20215 mMoveCallbacks.register(callback); 20216 } 20217 20218 @Override 20219 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20220 mContext.enforceCallingOrSelfPermission( 20221 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20222 mMoveCallbacks.unregister(callback); 20223 } 20224 20225 @Override 20226 public boolean setInstallLocation(int loc) { 20227 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20228 null); 20229 if (getInstallLocation() == loc) { 20230 return true; 20231 } 20232 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20233 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20234 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20235 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20236 return true; 20237 } 20238 return false; 20239 } 20240 20241 @Override 20242 public int getInstallLocation() { 20243 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20244 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20245 PackageHelper.APP_INSTALL_AUTO); 20246 } 20247 20248 /** Called by UserManagerService */ 20249 void cleanUpUser(UserManagerService userManager, int userHandle) { 20250 synchronized (mPackages) { 20251 mDirtyUsers.remove(userHandle); 20252 mUserNeedsBadging.delete(userHandle); 20253 mSettings.removeUserLPw(userHandle); 20254 mPendingBroadcasts.remove(userHandle); 20255 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20256 removeUnusedPackagesLPw(userManager, userHandle); 20257 } 20258 } 20259 20260 /** 20261 * We're removing userHandle and would like to remove any downloaded packages 20262 * that are no longer in use by any other user. 20263 * @param userHandle the user being removed 20264 */ 20265 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20266 final boolean DEBUG_CLEAN_APKS = false; 20267 int [] users = userManager.getUserIds(); 20268 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20269 while (psit.hasNext()) { 20270 PackageSetting ps = psit.next(); 20271 if (ps.pkg == null) { 20272 continue; 20273 } 20274 final String packageName = ps.pkg.packageName; 20275 // Skip over if system app 20276 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20277 continue; 20278 } 20279 if (DEBUG_CLEAN_APKS) { 20280 Slog.i(TAG, "Checking package " + packageName); 20281 } 20282 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20283 if (keep) { 20284 if (DEBUG_CLEAN_APKS) { 20285 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20286 } 20287 } else { 20288 for (int i = 0; i < users.length; i++) { 20289 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20290 keep = true; 20291 if (DEBUG_CLEAN_APKS) { 20292 Slog.i(TAG, " Keeping package " + packageName + " for user " 20293 + users[i]); 20294 } 20295 break; 20296 } 20297 } 20298 } 20299 if (!keep) { 20300 if (DEBUG_CLEAN_APKS) { 20301 Slog.i(TAG, " Removing package " + packageName); 20302 } 20303 mHandler.post(new Runnable() { 20304 public void run() { 20305 deletePackageX(packageName, userHandle, 0); 20306 } //end run 20307 }); 20308 } 20309 } 20310 } 20311 20312 /** Called by UserManagerService */ 20313 void createNewUser(int userId) { 20314 synchronized (mInstallLock) { 20315 mSettings.createNewUserLI(this, mInstaller, userId); 20316 } 20317 synchronized (mPackages) { 20318 scheduleWritePackageRestrictionsLocked(userId); 20319 scheduleWritePackageListLocked(userId); 20320 applyFactoryDefaultBrowserLPw(userId); 20321 primeDomainVerificationsLPw(userId); 20322 } 20323 } 20324 20325 void onNewUserCreated(final int userId) { 20326 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20327 // If permission review for legacy apps is required, we represent 20328 // dagerous permissions for such apps as always granted runtime 20329 // permissions to keep per user flag state whether review is needed. 20330 // Hence, if a new user is added we have to propagate dangerous 20331 // permission grants for these legacy apps. 20332 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20333 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20334 | UPDATE_PERMISSIONS_REPLACE_ALL); 20335 } 20336 } 20337 20338 @Override 20339 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20340 mContext.enforceCallingOrSelfPermission( 20341 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20342 "Only package verification agents can read the verifier device identity"); 20343 20344 synchronized (mPackages) { 20345 return mSettings.getVerifierDeviceIdentityLPw(); 20346 } 20347 } 20348 20349 @Override 20350 public void setPermissionEnforced(String permission, boolean enforced) { 20351 // TODO: Now that we no longer change GID for storage, this should to away. 20352 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20353 "setPermissionEnforced"); 20354 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20355 synchronized (mPackages) { 20356 if (mSettings.mReadExternalStorageEnforced == null 20357 || mSettings.mReadExternalStorageEnforced != enforced) { 20358 mSettings.mReadExternalStorageEnforced = enforced; 20359 mSettings.writeLPr(); 20360 } 20361 } 20362 // kill any non-foreground processes so we restart them and 20363 // grant/revoke the GID. 20364 final IActivityManager am = ActivityManagerNative.getDefault(); 20365 if (am != null) { 20366 final long token = Binder.clearCallingIdentity(); 20367 try { 20368 am.killProcessesBelowForeground("setPermissionEnforcement"); 20369 } catch (RemoteException e) { 20370 } finally { 20371 Binder.restoreCallingIdentity(token); 20372 } 20373 } 20374 } else { 20375 throw new IllegalArgumentException("No selective enforcement for " + permission); 20376 } 20377 } 20378 20379 @Override 20380 @Deprecated 20381 public boolean isPermissionEnforced(String permission) { 20382 return true; 20383 } 20384 20385 @Override 20386 public boolean isStorageLow() { 20387 final long token = Binder.clearCallingIdentity(); 20388 try { 20389 final DeviceStorageMonitorInternal 20390 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20391 if (dsm != null) { 20392 return dsm.isMemoryLow(); 20393 } else { 20394 return false; 20395 } 20396 } finally { 20397 Binder.restoreCallingIdentity(token); 20398 } 20399 } 20400 20401 @Override 20402 public IPackageInstaller getPackageInstaller() { 20403 return mInstallerService; 20404 } 20405 20406 private boolean userNeedsBadging(int userId) { 20407 int index = mUserNeedsBadging.indexOfKey(userId); 20408 if (index < 0) { 20409 final UserInfo userInfo; 20410 final long token = Binder.clearCallingIdentity(); 20411 try { 20412 userInfo = sUserManager.getUserInfo(userId); 20413 } finally { 20414 Binder.restoreCallingIdentity(token); 20415 } 20416 final boolean b; 20417 if (userInfo != null && userInfo.isManagedProfile()) { 20418 b = true; 20419 } else { 20420 b = false; 20421 } 20422 mUserNeedsBadging.put(userId, b); 20423 return b; 20424 } 20425 return mUserNeedsBadging.valueAt(index); 20426 } 20427 20428 @Override 20429 public KeySet getKeySetByAlias(String packageName, String alias) { 20430 if (packageName == null || alias == null) { 20431 return null; 20432 } 20433 synchronized(mPackages) { 20434 final PackageParser.Package pkg = mPackages.get(packageName); 20435 if (pkg == null) { 20436 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20437 throw new IllegalArgumentException("Unknown package: " + packageName); 20438 } 20439 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20440 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20441 } 20442 } 20443 20444 @Override 20445 public KeySet getSigningKeySet(String packageName) { 20446 if (packageName == null) { 20447 return null; 20448 } 20449 synchronized(mPackages) { 20450 final PackageParser.Package pkg = mPackages.get(packageName); 20451 if (pkg == null) { 20452 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20453 throw new IllegalArgumentException("Unknown package: " + packageName); 20454 } 20455 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20456 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20457 throw new SecurityException("May not access signing KeySet of other apps."); 20458 } 20459 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20460 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20461 } 20462 } 20463 20464 @Override 20465 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20466 if (packageName == null || ks == null) { 20467 return false; 20468 } 20469 synchronized(mPackages) { 20470 final PackageParser.Package pkg = mPackages.get(packageName); 20471 if (pkg == null) { 20472 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20473 throw new IllegalArgumentException("Unknown package: " + packageName); 20474 } 20475 IBinder ksh = ks.getToken(); 20476 if (ksh instanceof KeySetHandle) { 20477 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20478 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20479 } 20480 return false; 20481 } 20482 } 20483 20484 @Override 20485 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20486 if (packageName == null || ks == null) { 20487 return false; 20488 } 20489 synchronized(mPackages) { 20490 final PackageParser.Package pkg = mPackages.get(packageName); 20491 if (pkg == null) { 20492 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20493 throw new IllegalArgumentException("Unknown package: " + packageName); 20494 } 20495 IBinder ksh = ks.getToken(); 20496 if (ksh instanceof KeySetHandle) { 20497 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20498 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20499 } 20500 return false; 20501 } 20502 } 20503 20504 private void deletePackageIfUnusedLPr(final String packageName) { 20505 PackageSetting ps = mSettings.mPackages.get(packageName); 20506 if (ps == null) { 20507 return; 20508 } 20509 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20510 // TODO Implement atomic delete if package is unused 20511 // It is currently possible that the package will be deleted even if it is installed 20512 // after this method returns. 20513 mHandler.post(new Runnable() { 20514 public void run() { 20515 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20516 } 20517 }); 20518 } 20519 } 20520 20521 /** 20522 * Check and throw if the given before/after packages would be considered a 20523 * downgrade. 20524 */ 20525 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20526 throws PackageManagerException { 20527 if (after.versionCode < before.mVersionCode) { 20528 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20529 "Update version code " + after.versionCode + " is older than current " 20530 + before.mVersionCode); 20531 } else if (after.versionCode == before.mVersionCode) { 20532 if (after.baseRevisionCode < before.baseRevisionCode) { 20533 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20534 "Update base revision code " + after.baseRevisionCode 20535 + " is older than current " + before.baseRevisionCode); 20536 } 20537 20538 if (!ArrayUtils.isEmpty(after.splitNames)) { 20539 for (int i = 0; i < after.splitNames.length; i++) { 20540 final String splitName = after.splitNames[i]; 20541 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20542 if (j != -1) { 20543 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20544 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20545 "Update split " + splitName + " revision code " 20546 + after.splitRevisionCodes[i] + " is older than current " 20547 + before.splitRevisionCodes[j]); 20548 } 20549 } 20550 } 20551 } 20552 } 20553 } 20554 20555 private static class MoveCallbacks extends Handler { 20556 private static final int MSG_CREATED = 1; 20557 private static final int MSG_STATUS_CHANGED = 2; 20558 20559 private final RemoteCallbackList<IPackageMoveObserver> 20560 mCallbacks = new RemoteCallbackList<>(); 20561 20562 private final SparseIntArray mLastStatus = new SparseIntArray(); 20563 20564 public MoveCallbacks(Looper looper) { 20565 super(looper); 20566 } 20567 20568 public void register(IPackageMoveObserver callback) { 20569 mCallbacks.register(callback); 20570 } 20571 20572 public void unregister(IPackageMoveObserver callback) { 20573 mCallbacks.unregister(callback); 20574 } 20575 20576 @Override 20577 public void handleMessage(Message msg) { 20578 final SomeArgs args = (SomeArgs) msg.obj; 20579 final int n = mCallbacks.beginBroadcast(); 20580 for (int i = 0; i < n; i++) { 20581 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20582 try { 20583 invokeCallback(callback, msg.what, args); 20584 } catch (RemoteException ignored) { 20585 } 20586 } 20587 mCallbacks.finishBroadcast(); 20588 args.recycle(); 20589 } 20590 20591 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20592 throws RemoteException { 20593 switch (what) { 20594 case MSG_CREATED: { 20595 callback.onCreated(args.argi1, (Bundle) args.arg2); 20596 break; 20597 } 20598 case MSG_STATUS_CHANGED: { 20599 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20600 break; 20601 } 20602 } 20603 } 20604 20605 private void notifyCreated(int moveId, Bundle extras) { 20606 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20607 20608 final SomeArgs args = SomeArgs.obtain(); 20609 args.argi1 = moveId; 20610 args.arg2 = extras; 20611 obtainMessage(MSG_CREATED, args).sendToTarget(); 20612 } 20613 20614 private void notifyStatusChanged(int moveId, int status) { 20615 notifyStatusChanged(moveId, status, -1); 20616 } 20617 20618 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20619 Slog.v(TAG, "Move " + moveId + " status " + status); 20620 20621 final SomeArgs args = SomeArgs.obtain(); 20622 args.argi1 = moveId; 20623 args.argi2 = status; 20624 args.arg3 = estMillis; 20625 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20626 20627 synchronized (mLastStatus) { 20628 mLastStatus.put(moveId, status); 20629 } 20630 } 20631 } 20632 20633 private final static class OnPermissionChangeListeners extends Handler { 20634 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20635 20636 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20637 new RemoteCallbackList<>(); 20638 20639 public OnPermissionChangeListeners(Looper looper) { 20640 super(looper); 20641 } 20642 20643 @Override 20644 public void handleMessage(Message msg) { 20645 switch (msg.what) { 20646 case MSG_ON_PERMISSIONS_CHANGED: { 20647 final int uid = msg.arg1; 20648 handleOnPermissionsChanged(uid); 20649 } break; 20650 } 20651 } 20652 20653 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20654 mPermissionListeners.register(listener); 20655 20656 } 20657 20658 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20659 mPermissionListeners.unregister(listener); 20660 } 20661 20662 public void onPermissionsChanged(int uid) { 20663 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20664 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20665 } 20666 } 20667 20668 private void handleOnPermissionsChanged(int uid) { 20669 final int count = mPermissionListeners.beginBroadcast(); 20670 try { 20671 for (int i = 0; i < count; i++) { 20672 IOnPermissionsChangeListener callback = mPermissionListeners 20673 .getBroadcastItem(i); 20674 try { 20675 callback.onPermissionsChanged(uid); 20676 } catch (RemoteException e) { 20677 Log.e(TAG, "Permission listener is dead", e); 20678 } 20679 } 20680 } finally { 20681 mPermissionListeners.finishBroadcast(); 20682 } 20683 } 20684 } 20685 20686 private class PackageManagerInternalImpl extends PackageManagerInternal { 20687 @Override 20688 public void setLocationPackagesProvider(PackagesProvider provider) { 20689 synchronized (mPackages) { 20690 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20691 } 20692 } 20693 20694 @Override 20695 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20696 synchronized (mPackages) { 20697 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20698 } 20699 } 20700 20701 @Override 20702 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20703 synchronized (mPackages) { 20704 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20705 } 20706 } 20707 20708 @Override 20709 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20710 synchronized (mPackages) { 20711 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20712 } 20713 } 20714 20715 @Override 20716 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20717 synchronized (mPackages) { 20718 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20719 } 20720 } 20721 20722 @Override 20723 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20724 synchronized (mPackages) { 20725 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20726 } 20727 } 20728 20729 @Override 20730 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20731 synchronized (mPackages) { 20732 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20733 packageName, userId); 20734 } 20735 } 20736 20737 @Override 20738 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20739 synchronized (mPackages) { 20740 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20741 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20742 packageName, userId); 20743 } 20744 } 20745 20746 @Override 20747 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20748 synchronized (mPackages) { 20749 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20750 packageName, userId); 20751 } 20752 } 20753 20754 @Override 20755 public void setKeepUninstalledPackages(final List<String> packageList) { 20756 Preconditions.checkNotNull(packageList); 20757 List<String> removedFromList = null; 20758 synchronized (mPackages) { 20759 if (mKeepUninstalledPackages != null) { 20760 final int packagesCount = mKeepUninstalledPackages.size(); 20761 for (int i = 0; i < packagesCount; i++) { 20762 String oldPackage = mKeepUninstalledPackages.get(i); 20763 if (packageList != null && packageList.contains(oldPackage)) { 20764 continue; 20765 } 20766 if (removedFromList == null) { 20767 removedFromList = new ArrayList<>(); 20768 } 20769 removedFromList.add(oldPackage); 20770 } 20771 } 20772 mKeepUninstalledPackages = new ArrayList<>(packageList); 20773 if (removedFromList != null) { 20774 final int removedCount = removedFromList.size(); 20775 for (int i = 0; i < removedCount; i++) { 20776 deletePackageIfUnusedLPr(removedFromList.get(i)); 20777 } 20778 } 20779 } 20780 } 20781 20782 @Override 20783 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20784 synchronized (mPackages) { 20785 // If we do not support permission review, done. 20786 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20787 return false; 20788 } 20789 20790 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20791 if (packageSetting == null) { 20792 return false; 20793 } 20794 20795 // Permission review applies only to apps not supporting the new permission model. 20796 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20797 return false; 20798 } 20799 20800 // Legacy apps have the permission and get user consent on launch. 20801 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20802 return permissionsState.isPermissionReviewRequired(userId); 20803 } 20804 } 20805 20806 @Override 20807 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20808 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20809 } 20810 20811 @Override 20812 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20813 int userId) { 20814 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20815 } 20816 20817 @Override 20818 public void setDeviceAndProfileOwnerPackages( 20819 int deviceOwnerUserId, String deviceOwnerPackage, 20820 SparseArray<String> profileOwnerPackages) { 20821 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20822 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20823 } 20824 20825 @Override 20826 public boolean isPackageDataProtected(int userId, String packageName) { 20827 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20828 } 20829 } 20830 20831 @Override 20832 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20833 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20834 synchronized (mPackages) { 20835 final long identity = Binder.clearCallingIdentity(); 20836 try { 20837 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20838 packageNames, userId); 20839 } finally { 20840 Binder.restoreCallingIdentity(identity); 20841 } 20842 } 20843 } 20844 20845 private static void enforceSystemOrPhoneCaller(String tag) { 20846 int callingUid = Binder.getCallingUid(); 20847 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20848 throw new SecurityException( 20849 "Cannot call " + tag + " from UID " + callingUid); 20850 } 20851 } 20852 20853 boolean isHistoricalPackageUsageAvailable() { 20854 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20855 } 20856 20857 /** 20858 * Return a <b>copy</b> of the collection of packages known to the package manager. 20859 * @return A copy of the values of mPackages. 20860 */ 20861 Collection<PackageParser.Package> getPackages() { 20862 synchronized (mPackages) { 20863 return new ArrayList<>(mPackages.values()); 20864 } 20865 } 20866 20867 /** 20868 * Logs process start information (including base APK hash) to the security log. 20869 * @hide 20870 */ 20871 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20872 String apkFile, int pid) { 20873 if (!SecurityLog.isLoggingEnabled()) { 20874 return; 20875 } 20876 Bundle data = new Bundle(); 20877 data.putLong("startTimestamp", System.currentTimeMillis()); 20878 data.putString("processName", processName); 20879 data.putInt("uid", uid); 20880 data.putString("seinfo", seinfo); 20881 data.putString("apkFile", apkFile); 20882 data.putInt("pid", pid); 20883 Message msg = mProcessLoggingHandler.obtainMessage( 20884 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20885 msg.setData(data); 20886 mProcessLoggingHandler.sendMessage(msg); 20887 } 20888 20889 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 20890 return mCompilerStats.getPackageStats(pkgName); 20891 } 20892 20893 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 20894 return getOrCreateCompilerPackageStats(pkg.packageName); 20895 } 20896 20897 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 20898 return mCompilerStats.getOrCreatePackageStats(pkgName); 20899 } 20900 20901 public void deleteCompilerPackageStats(String pkgName) { 20902 mCompilerStats.deletePackageStats(pkgName); 20903 } 20904} 20905